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CN-117463846-B - Automatic fuse bending device and fuse bending process thereof

CN117463846BCN 117463846 BCN117463846 BCN 117463846BCN-117463846-B

Abstract

The invention discloses an automatic fuse bending device and a fuse bending process thereof, wherein the automatic fuse bending device comprises a movable seat, a base, a material pressing component, a pre-pressing demolding component, a movable bearing component and a side pressing component, wherein the fixed pressing seat comprises two fixed pressing seats, the two fixed pressing seats are respectively arranged at two sides of the bottom of the movable seat at intervals, a first chute is formed between the two fixed pressing seats, the material pressing component is slidably arranged in the first chute along the vertical direction, the bottom of the material pressing component is provided with a first material pressing surface and a second material pressing surface, the pre-pressing demolding component comprises at least two groups, the at least two groups of pre-pressing demolding components are arranged in the material pressing component, the base is provided with a second chute which is sunken downwards, the movable bearing component is arranged in the second chute, the side pressing component comprises two groups, and the two groups of side pressing components are respectively and correspondingly arranged at two sides of the second chute. According to the invention, the vertical bending of the two ends of the planar fuse and the horizontal bending of the upper end after the vertical bending are realized, the bending efficiency of the fuse is effectively improved, and the bending cost is reduced.

Inventors

  • LU GUOQIANG
  • ZHANG YONG
  • XIAO JUNCHAO
  • ZHUANG DONGLIN
  • ZHANG WEIFENG

Assignees

  • 深圳市优界科技有限公司

Dates

Publication Date
20260512
Application Date
20230911

Claims (9)

  1. 1. An automatic fuse wire bending device comprises a movable seat (1) and a base (7) which are arranged in parallel at intervals, wherein the base (7) is fixedly arranged, the movable seat (1) is connected with a power mechanism above the movable seat and driven by the power mechanism to move up and down along the vertical direction, the automatic fuse wire bending device is characterized by also comprising a fixed pressing seat (2), a pressing component, a pre-pressing and demolding component, a movable bearing component and a side pressing component, The fixed pressing seats (2) comprise two fixed pressing seats (2) which are respectively arranged at two sides of the bottom of the movable seat (1) at intervals correspondingly, and a first sliding groove (A) is formed between the two fixed pressing seats (2); The pressing assembly is arranged in the first chute (A) in a sliding manner along the vertical direction and is elastically connected with the movable seat (1), a first pressing surface (c) and a second pressing surface (d) are arranged at the bottom of the pressing assembly, and the height of the second pressing surface (d) is higher than that of the first pressing surface (c); The pre-pressing demolding assembly comprises at least two groups, and the at least two groups of pre-pressing demolding assemblies are arranged in the material pressing assembly and are elastically connected with the material pressing assembly along the vertical direction; a second chute (B) which is sunken downwards is formed in the base (7); the movable bearing assembly is arranged in the second chute (B) and is elastically connected with the base (7) along the vertical direction; The side pressure components comprise two groups, the two groups of side pressure components are respectively and correspondingly arranged on two sides of the second chute (B), the side pressure components are movably connected with the base (7) along the inclined direction, and the inside of the side pressure components is elastic; the movable bearing assembly is horizontally provided with at least two fuses (0), two sides of the at least two fuses (0) respectively extend outwards to the upper parts of the two groups of side pressing assemblies, the movable seat (1) drives the pressing assembly and the pre-pressing demolding assembly to synchronously descend, the pre-pressing demolding assembly presses the fuses (0) firstly, the pressing assembly continuously descends until the pre-pressing demolding assembly retracts into the pressing assembly, the movable bearing assembly is firstly pressed down by the first pressing surface (c) to enable the movable bearing assembly to move downwards, the descending two ends of the middle part of the fuses (0) are obliquely lifted upwards, the side pressing assembly is pressed down by the second pressing surface (d) to enable the side pressing assembly to descend and approach inwards in an oblique direction, the movable seat (1) continuously descends, the rising parts of the two ends of the fuses (0) are flattened on the side pressing assembly through the fixed pressing seat (2), and meanwhile the side pressing assembly presses the fuses (0) on the movable bearing assembly from the side part in the horizontal direction; The material pressing assembly comprises a material pressing block (3) and first springs (4), wherein the material pressing block (3) is arranged in a first sliding groove (A), the first springs (4) comprise at least two first springs (4) which are vertically arranged, two ends of each first spring are respectively connected in a movable seat (1) and the material pressing block (3), a first material pressing surface (c) is arranged at the bottom of the material pressing block (3), step surfaces are arranged on two sides of the first material pressing surface (c), a second material pressing surface (d) is formed at the step surfaces, and a height difference is formed between the second material pressing surface (d) and the first material pressing surface (c).
  2. 2. The automatic fuse bending device of claim 1, wherein the fuse (0) is of a sheet-shaped structure, the bent fuse (0) comprises a main sheet part (01) in the middle, first bending parts (04) located at two ends of the main sheet part (01) and second bending parts (05) located at the outer sides of the first bending parts (04), the first bending parts (04) are bent upwards to the vertical direction along a first bending line (02) relative to the main sheet part (01), and the second bending parts (05) are bent outwards to the horizontal direction from the vertical direction along a second bending line (03) compared with the first bending parts (04).
  3. 3. The automatic fuse wire bending device according to claim 1, wherein at least two mounting holes penetrating up and down are formed in the pressing block (3), and the at least two groups of pre-pressing demolding assemblies are arranged in the mounting holes.
  4. 4. The automatic fuse bending device according to claim 3, wherein the pre-pressing demolding assembly comprises a pressing column (6) and a second spring (5), wherein the second spring (5) is vertically arranged in the mounting hole, the upper end of the second spring is connected to the movable seat (1), the pressing column (6) is connected to the lower end of the second spring (5), the elastic force of the second spring (5) pushes the pressing column (6) downwards to enable the pressing column to extend outwards from the first pressing surface (c) in a natural state, when the fuse is bent, the pressing column (6) firstly contacts the fuse, and in the process of continuously descending along with the pressing block (3), the pressing column (6) drives the second spring (5) to compress while maintaining to press the fuse (0), so that the pressing column (6) gradually retracts into the mounting hole, and when the pressing block (3) moves upwards after the bending is completed, the elastic force of the second spring (5) drives the pressing column (6) to push the fuse (0) downwards, so that the fuse is separated from the pressing block (3).
  5. 5. The automatic fuse wire bending device according to claim 1 is characterized in that at least two limiting blocks (16) are arranged on the side portion of the second sliding groove (B), connecting sliding seats (8) are respectively arranged at two side edges of the second sliding groove (B), the connecting sliding seats (8) freely move in the vertical direction and are guided and limited through the limiting blocks (16), a downward concave mounting groove (C) is formed in a base (7) on the outer side of the connecting sliding seats (8), and a spring sleeve (12) is horizontally arranged on the outer side wall of the connecting sliding seats (8).
  6. 6. The automatic fuse bending device of claim 5, wherein the side pressing assembly comprises a inclined guide seat (9), a side pressing sliding block (10) and a third spring (11), wherein the inclined guide seat (9) is fixedly arranged in the mounting groove (C), a first inclined surface (a) which is inclined and outwards extends from bottom to top is arranged at the upper part of the inclined guide seat (9), the side pressing sliding block (10) is arranged at the inner side of the inclined guide seat (9), a inclined surface part is arranged at the lower part of the side pressing sliding block (10), a second inclined surface (b) which is the same as the inclined direction of the first inclined surface (a) is arranged at the outer side of the inclined surface part, a third spring (11) which is horizontally extended is arranged at the inner side of the inclined surface part, the inner end of the third spring (11) is connected to a spring sleeve (12) of the connecting sliding seat (8), the third spring (11) is propped against the side pressing sliding block (10) outwards in a natural state, so that the side pressing sliding block (10) moves on the first inclined surface (a) on the inclined surface (9), and the side pressing sliding block (10) is pressed upwards from the upper side when the inclined surface moves obliquely.
  7. 7. The automatic fuse bending device of claim 1, wherein the movable bearing assembly comprises fourth springs (13) and bearing seats (14), the fourth springs (13) comprise at least two, the at least two fourth springs (13) are vertically arranged in the second sliding groove (B), the bearing seats (14) are horizontally arranged above the fourth springs (13) and supported by the fourth springs (13), the fourth springs (13) push the bearing seats (14) upwards in a natural state, and when the fuse is bent, the pressing assembly presses the bearing seats (14) and fuses (0) on the bearing seats, and the fourth springs (13) are compressed.
  8. 8. The automatic fuse wire bending device according to claim 1, wherein a bottom plate (15) is detachably arranged at the bottom of the base (7), and the movable bearing component is connected to the bottom plate (15).
  9. 9. A fuse bending process of an automatic fuse bending device as claimed in any one of claims 1-8, comprising the following process steps: S1, discharging, namely horizontally placing a fuse wire to be bent on a movable bearing assembly, wherein two sides of the fuse wire horizontally extend to the upper part of a side pressure assembly outside the movable bearing assembly respectively; S2, prepressing, namely, the movable seat drives the material pressing component and the prepressing demolding component to synchronously descend, the prepressing demolding component firstly contacts and prepresses the fuse wire placed on the movable bearing component in the step S1, and the prepressing demolding component gradually retracts into the material pressing component while maintaining downwards pressing the fuse wire along with the continuous descending process of the movable seat; S3, one-time pressing, namely after the pre-pressing demolding assembly is completely retracted into the pressing assembly in the step S2, the first pressing surface of the pressing assembly contacts and presses down the fuse wire, and as the movable seat continues to descend, the pressing assembly presses down the movable bearing assembly into the second sliding groove, the middle part of the fuse wire is pressed down by the pressing assembly, and two ends of the fuse wire are tilted up on the side pressing assembly; S4, secondarily pressing, namely after the two ends of the fuse wire in the step S3 are tilted, the second pressing surface of the pressing component contacts and presses the side pressing component along with the continuous descending of the movable seat, so that the side pressing component gradually approaches the fuse wire inwards along the inclined downward direction, and the fuse wire is pressed against the pressing component from the side part; S5, three pressing and side pressing, namely after the pressing component in the step S4 contacts and presses the side pressing component, the pressing component drives the side pressing component to descend along with the continuous descending of the movable seat until the side pressing component bends the end part of the fuse wire to the vertical direction and presses the side part of the pressing component, and the fixed pressing seats at two sides of the pressing component press the two ends of the fuse wire from the upper part to the horizontal direction in a tilting mode and are attached to the upper part of the side pressing component.

Description

Automatic fuse bending device and fuse bending process thereof Technical Field The invention relates to the field of automatic equipment, in particular to an automatic fuse bending device and a fuse bending process thereof. Background The fuse is an electric appliance that fuses a melt by heat generated by itself when a current exceeds a predetermined value, and opens a circuit. The fuse is a current protector which is made up by using the principle that after the current exceeds a specified value for a period of time, the fuse body is melted by the heat generated by the fuse body so as to break the circuit. The fuse is widely applied to high-low voltage distribution systems, control systems and electric equipment, is used as a protector for short circuit and overcurrent, and is one of the most common protection devices. One of the key components in the composition structure of the fuse is a fuse wire, the fuse wire is of a metal sheet structure, the fuse wire is inserted into a rectangular ceramic shell of the fuse, and the end parts of the fuse wire extend out of two ends of the ceramic shell, are bent and attached to the ceramic shell, and are fixedly connected with terminals assembled outside the ceramic shell. In the fuse manufacturing process, the material supply state is a metal strip structure, the material supply state is required to be cut into a planar sheet structure, and then the planar fuse is folded into a fuse with an arch-shaped structure and then assembled into a ceramic shell of the fuse. The fuse bending process needs to solve the technical problems that at least two sets of dies are needed to complete bending by adopting the existing bending process, namely, two ends of a planar fuse are bent upwards to the vertical direction by one set of dies, and then the upper end of the vertically bent fuse part is bent to the horizontal direction by the other set of dies. Disclosure of Invention The invention aims to solve the technical problems of the prior art, and provides an automatic fuse bending device and a fuse bending process thereof, wherein the automatic fuse bending device and the fuse bending process adopt single-power single-time vertical driving to realize vertical bending of two ends of a planar fuse and horizontal bending of the upper end after vertical bending, so that the fuse bending efficiency is effectively improved, and the bending cost is reduced. The technical scheme adopted by the invention is that the automatic fuse wire bending device comprises a movable seat and a base which are arranged in parallel at intervals, wherein the base is fixedly arranged, the movable seat is connected with a power mechanism above the movable seat and driven by the power mechanism to move up and down along the vertical direction, the automatic fuse wire bending device also comprises a fixed pressing seat, a pressing component, a pre-pressing and demolding component, a movable bearing component and a side pressing component, The fixed pressing seats comprise two fixed pressing seats which are respectively arranged at two sides of the bottom of the movable seat at intervals correspondingly, and a first sliding groove is formed between the two fixed pressing seats; the pressing assembly is arranged in the first chute in a sliding manner along the vertical direction and is elastically connected with the movable seat, and a first pressing surface and a second pressing surface are arranged at the bottom of the pressing assembly; The pre-pressing demolding assembly comprises at least two groups, and the at least two groups of pre-pressing demolding assemblies are arranged in the material pressing assembly and are elastically connected with the material pressing assembly along the vertical direction; The base is provided with a second chute which is sunken downwards; the movable bearing assembly is arranged in the second chute and is elastically connected with the base along the vertical direction; The side pressure components comprise two groups, the two groups of side pressure components are respectively and correspondingly arranged on two sides of the second chute, the side pressure components are movably connected with the base along the inclined direction, and the inside of the side pressure components is elastic; The movable bearing assembly is horizontally provided with at least two fuses, two sides of the at least two fuses extend outwards to the upper parts of the two groups of side pressing assemblies respectively, the movable seat drives the material pressing assembly and the pre-pressing demolding assembly to synchronously descend, the pre-pressing demolding assembly presses the fuses firstly, the material pressing assembly continues to descend until the pre-pressing demolding assembly is retracted into the material pressing assembly, the material pressing assembly continues to descend, the movable bearing assembly is pressed down through a first material pressing surface firstly, the mo