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CN-115802217-B - Processing device for intelligent sound box parts

CN115802217BCN 115802217 BCN115802217 BCN 115802217BCN-115802217-B

Abstract

The invention discloses a processing device of intelligent sound box parts, which comprises a body and a hollow cylinder formed on the body, wherein a male die base plate is arranged below a male die plate, edges on two sides of the lower surface of the male die base plate are respectively connected with the upper surfaces of 2 die feet, a bullet entering springboard is arranged between the male die base plate and the male die plate, a male die insert corresponding to the hollow cylinder is arranged on the bullet entering springboard, the upper part of the male die insert is embedded into a male die core, at least 2 springs in a compressed state are arranged between the male die base plate and the bullet entering springboard, the relatively movable stroke between the bullet entering springboard and the male die base plate is D1, and the relatively movable stroke between the male die plate and the male die base plate is D2 and D2 is larger than D1. The invention solves the problems of deformation and shortening of the length dimension of the longer hollow cylinder in the demolding process.

Inventors

  • LI YONG

Assignees

  • 昆山科森科技股份有限公司

Dates

Publication Date
20260512
Application Date
20220928

Claims (9)

  1. 1. The processing device of the intelligent sound box part comprises a female die plate (1) provided with a female die core (2), a male die plate (5) positioned below the female die plate (1) and provided with a male die core (4), a rear die fixing plate (18) positioned below the male die plate (5) and 2 die feet (15) arranged between the male die plate (5) and the rear die fixing plate (18), wherein the lower surfaces of the 2 die feet (15) are respectively connected with the upper surface of the rear die fixing plate (18), a thimble plate capable of moving up and down is horizontally arranged between the 2 die feet (15) arranged at intervals, and a cavity for forming the part (100) is formed between the female die core (2) and the male die core (4), and the processing device is characterized in that the part (100) comprises a body (101) and a hollow cylinder (102) formed on the body (101); A male die backing plate (14) is arranged below the male die plate (5), edges on two sides of the lower surface of the male die backing plate (14) are respectively connected with the upper surfaces of 2 die pins (15), a bullet entering springboard is arranged between the male die backing plate (14) and the male die plate (5), a male die insert (6) corresponding to the hollow cylinder (102) is arranged on the bullet entering springboard, the upper part of the male die insert (6) is embedded into a male die core (4), the upper part of a barrel (7) with the lower end connected with the ejector pin plate penetrates into a through hole formed in the center of the male die insert (6), the upper part of a barrel needle (8) with the lower end fixedly arranged on a rear die fixing plate (18) is correspondingly embedded into the barrel (7), a bullet cavity for forming the hollow cylinder (102) is formed between the male die insert (6) and the barrel (7), and at least 2 springs (12) are arranged between the male die backing plate (14) and the bullet entering springboard; Go into between bullet springboard and public mould cushion board (14) or back mould fixed plate (18) and be connected with one and go into a limit structure for but go into between bullet springboard and the public mould cushion board (14) relative movement's stroke be D1, but be connected with a public mould limit structure between public mould board (5) and public mould cushion board (14), but make between public mould board (5) and public mould cushion board (14) relative movement's stroke be D2 and D2 be greater than D1, D1 is less than the length of hollow cylinder (102), and D2 is greater than the length of hollow cylinder (102).
  2. 2. The processing device of intelligent sound box parts according to claim 1, wherein the upper surface of the male template (5) is provided with at least 2 grooves at intervals, a stop block (24) is embedded and installed in each groove, a vertically arranged return needle (22) is connected to the central area of the lower surface of each stop block (24), the lower end of the return needle (22) which is in sliding fit with the male template (5) is fixedly connected with the ejector plate, and a return needle spring (23) is arranged outside the return needle (22) and between the ejector plate and the male template (5).
  3. 3. The processing device of intelligent sound box parts according to claim 2, wherein the male die cushion plate (14) is provided with a clearance through hole for the return spring (23) to pass through, and the lower surface of the male die plate (5) is provided with a groove for the upper end of the return spring (23) to be embedded.
  4. 4. The processing device of intelligent sound box parts according to claim 1, wherein the insert limiting structure comprises a plurality of height limiting screws (13) corresponding to the springs (12), the lower ends of the height limiting screws (13) connected with the insert spring plate penetrate through the male die cushion plate (14) and are embedded into height limiting grooves formed in the upper surface of the rear die fixing plate (18), the lower ends of the height limiting screws (13) are provided with a flange portion (131) which is outwards in the radial direction, and when the insert spring plate and the male die cushion plate (14) are in an attached state, a stroke gap D1 is formed between the upper end face of the flange portion (131) and the lower surface of the male die cushion plate (14).
  5. 5. The device for machining intelligent sound box parts according to claim 4, wherein the height limiting screw (13) further comprises a body and a limiting sleeve (11) sleeved on the outer side of the body, the spring (12) is sleeved on the outer side of the limiting sleeve (11), the flange part (131) is arranged on the limiting sleeve (11), and the limiting sleeve (11) is in sliding fit with the male die cushion plate (14).
  6. 6. The processing device of intelligent sound box parts according to claim 1, wherein the male die limiting structure comprises a male die limiting screw (251) with one end fixedly connected with a male die cushion plate (14) or a male die plate (5), and a male die limiting sleeve (252) sleeved outside the male die limiting screw (251), the other end of the male die limiting screw (251) is embedded into a limiting groove formed in the male die plate (5) or the male die cushion plate (14), one end of the male die limiting sleeve (252) positioned in the limiting groove is provided with a radially outward limiting flange part (253), and when the male die cushion plate (14) and the male die plate (5) are in a fitting state, a stroke gap D2 is formed between the limiting flange part (253) and the inner wall of one end of the limiting groove.
  7. 7. The device for machining intelligent sound box parts according to claim 6, wherein the lower end of the male die limit screw (251) is fixedly connected with the male die cushion plate (14), the limit groove is formed in the upper surface of the male die plate (5), and when the male die cushion plate (14) and the male die plate (5) are in a fitting state, a gap between the lower surface of the limit flange portion (253) and the inner wall of the lower end of the limit groove is D2.
  8. 8. The processing device for intelligent sound box parts according to claim 1, wherein 4 hollow columns (102) are formed on a body (101) of the part (100), and the hollow columns (102) are mounting columns.
  9. 9. The processing device of intelligent sound box parts according to claim 1, wherein the length of the hollow column body (102) is larger than 32mm.

Description

Processing device for intelligent sound box parts Technical Field The invention relates to a processing device for intelligent sound box parts, and belongs to the technical field of injection molds. Background The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. The ejector sleeve ejection is the most common structure in the injection mold, the parts forming the ejector sleeve ejection assembly comprise an ejector sleeve and an ejector sleeve needle, the ejector sleeve needle forms the inner wall of the hollow column, the ejector sleeve forms the bottom plane of the hollow column, and the ejector sleeve ejection assembly has the function of ejecting the hollow column. The ejector sleeve needle is fixed on the die back plate and cannot move due to die opening and ejection, the ejector sleeve is fixed on the upper ejector plate, an ejection assembly is integrally formed by fixing screws of the upper ejector plate and the lower ejector plate, and the ejector rod applies acting force to the lower ejector plate, so that the product is separated from the male die core and the ejector sleeve needle. However, the ejector sleeve ejection needs to overcome the friction force and the packing force between the inner wall and the outer wall of the hollow column of the product and the mould, the ejection area of the ejector sleeve structure is small, and the hollow column of the plastic product is stressed to be shortened or distorted and deformed during ejection. Disclosure of Invention The invention aims to provide a processing device for intelligent sound box parts, which solves the problems that a longer hollow cylinder deforms and the length dimension is shortened in the demolding process. The processing device for the intelligent sound box part comprises a female die plate, a male die plate, a rear die fixing plate, 2 die legs, a thimble plate, a cavity, a hollow column body and a plurality of elastic components, wherein the female die plate is provided with a female die core, the male die plate is positioned below the female die plate and is provided with a male die core, the rear die fixing plate is positioned below the male die plate, the 2 die legs are arranged between the male die plate and the rear die fixing plate, the lower surfaces of the 2 die legs are respectively connected with the upper surface of the rear die fixing plate, the thimble plate capable of moving up and down is horizontally arranged between the 2 die legs at intervals, the cavity for forming the part is formed between the female die core and the male die core, and the part comprises a body and a hollow column body formed on the body; a male die backing plate is arranged below the male die plate, edges on two sides of the lower surface of the male die backing plate are respectively connected with the upper surfaces of 2 die feet, a bullet-entering springboard is arranged between the male die backing plate and the male die plate, a male die insert corresponding to a hollow cylinder is arranged on the bullet-entering springboard, the upper part of the male die insert is embedded into a male die core, the upper part of a barrel with the lower end connected with the thimble plate penetrates into a through hole formed in the center of the male die insert, the upper part of a barrel needle with the lower end fixedly arranged on a rear die fixing plate is correspondingly embedded into the barrel, so that a sub-type cavity for forming the hollow cylinder is formed between the male die insert and the barrel needle, and at least 2 springs in a compressed state are arranged between the male die backing plate and the bullet-entering springboard; Go into and be connected with one between bullet springboard and the public mould backing plate or the back mould fixed plate and go into a limit structure for but go into between bullet springboard and the public mould backing plate relative movement's stroke is D1, be connected with a public mould limit structure between public mould board and the public mould backing plate, but make between public mould board and the public mould backing plate relative movement's stroke be D2 and D2 is greater than D1. The further improved scheme in the technical scheme is as follows: 1. In the above scheme, the upper surface of public template is spaced apart and is equipped with 2 at least recesses, every the recess is embedded to be installed a stop piece, every stop piece lower surface's central region is connected with a vertical setting's return needle, with public template sliding fit's lower extreme and thimble board fixed connection of return needle, the return needle outside is located and is provided with a return needle spring between thimble board and the public template. 1. In the scheme, the clearance through hole for the ret