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CN-224209791-U - R angle manufacturing tool

CN224209791UCN 224209791 UCN224209791 UCN 224209791UCN-224209791-U

Abstract

The utility model belongs to the technical field of plate processing tools and discloses an R-angle manufacturing tool which comprises a fixed base, a rotating shaft rotationally arranged at the center of the upper surface of the fixed base, a rotating member limiting member fixed on one side of the upper surface of the fixed base, a vertical rod and an extrusion piece fixed at the lower end of the vertical rod, wherein the vertical rod is connected with the rotating shaft through a first connecting rod positioned above the rotating member limiting member, a limiting block positioned on one side of the rotating member limiting member is fixedly arranged on the upper surface of the fixed base, a plate positioning block is arranged between the limiting block and the rotating member limiting member, a plate positioning opening is formed in one surface of the plate positioning block, facing the rotating member limiting member, of the rotating member limiting member, the extrusion piece is positioned between the plate positioning block and the rotating member limiting member, and the extrusion piece is in transmission connection with the plate positioning block. When the plate positioning device works, the plate positioning block positioned at the rear side of the extrusion piece can press one end of the plate on one side of the rotating piece limiting piece, so that one end of the plate is prevented from being tilted, and the quality of the extruded plate is further ensured.

Inventors

  • DU YUPING
  • QIU YONGHONG
  • WENG JUN
  • XU DUO

Assignees

  • 四川筑盾人防工程设备有限公司

Dates

Publication Date
20260508
Application Date
20250520

Claims (8)

  1. 1. The R angle manufacturing tool comprises a fixed base (1), a rotating shaft (2) which is rotatably arranged at the center of the upper surface of the fixed base (1) and a rotating member limiting member (3) which is fixed on one side of the upper surface of the fixed base (1), and further comprises a vertical rod (4) and an extrusion member (5) which is fixed at the lower end of the vertical rod (4), wherein the vertical rod (4) is connected with the rotating shaft (2) through a first connecting rod (6) which is positioned above the rotating member limiting member (3), the R angle manufacturing tool is characterized in that a limiting block (7) which is positioned on one side of the rotating member limiting member (3) is fixedly arranged on the upper surface of the fixed base (1), a plate positioning block (8) is arranged between the limiting block (7) and the rotating member limiting member (3), one side of the plate positioning block (8) facing the rotating member limiting member (3) is provided with a plate positioning opening, one end of a plate (9) is pressed on one side of the rotating member limiting member (3) through the plate positioning opening, the extrusion member (5) is positioned between the plate (8) and the rotating member positioning block (3), and the extrusion member (5) is in transmission connection with the extrusion member (5) from one side of the rotating member (5) to the other side of the rotating member (3), the plate positioning block (8) can be driven to abut against one side of the rotating piece limiting piece (3), and when the extrusion piece (5) rotates towards the limiting piece (7), the plate positioning block (8) can be driven to be separated from one side of the rotating piece limiting piece (3) and abut against the limiting piece (7).
  2. 2. The R angle manufacturing tool of claim 1 is characterized in that an arc-shaped rack (10) which is arranged by taking a rotating shaft (2) as a central shaft is arranged outside the fixed base (1), one end of the arc-shaped rack (10) is fixedly connected with a vertical rod (4), the other end of the arc-shaped rack (10) is connected with the rotating shaft (2) through a second connecting rod (11), an arc-shaped limiting hole is formed in the plate positioning block (8), one side of the arc-shaped limiting hole is rotationally connected with a gear (12), the arc-shaped rack (10) penetrates through the arc-shaped limiting hole, the inner side of the arc-shaped rack (10) is in matched engagement with the gear (12), and the outer side of the arc-shaped rack (10) is in sliding fit with the other side of the arc-shaped limiting hole.
  3. 3. The R-angle manufacturing tool according to claim 2, wherein the plate positioning block (8) comprises an upper positioning block and a lower positioning block which are connected through a first bolt, the arc-shaped limiting hole is positioned between the upper positioning block and the lower positioning block, one side of the arc-shaped limiting hole is provided with a gear accommodating groove, and the gear (12) is rotatably connected in the gear accommodating groove.
  4. 4. The R-angle manufacturing tool according to claim 2 or 3, wherein an arc-shaped sliding rail located between the limiting block (7) and the rotating piece limiting piece (3) is arranged on the upper surface of the fixed base (1), and an arc-shaped sliding groove is formed in the lower end of the plate positioning block (8) and is in sliding fit with the arc-shaped sliding rail.
  5. 5. The R angle manufacturing tool according to claim 1, wherein the extrusion part (5) is a ball bearing, and an inner ring of the extrusion part (5) is connected with the lower end of the vertical rod (4).
  6. 6. The R angle manufacturing tool of claim 5 is characterized in that a vertical limiting groove is formed in the lower end of the vertical rod (4), a vertical limiting block is arranged on the inner ring of the extrusion piece (5) and is matched and slid in the vertical limiting groove, a positioning bolt is connected with the lower end of the vertical rod (4) in a threaded mode, a nut of the positioning bolt is abutted to the inner ring of the extrusion piece (5), an arc-shaped sliding groove is formed in one face, used for pressing a plate (9), of the plate positioning opening, and an arc-shaped cushion block is connected in the arc-shaped sliding groove in a sliding mode.
  7. 7. The R angle manufacturing tool according to claim 1, wherein a positioning bearing (13) is arranged outside the rotating shaft (2), an inner ring of the positioning bearing (13) is fixedly connected with the rotating shaft (2), and an outer ring of the positioning bearing (13) is in surface contact with the rotating member limiting piece (3).
  8. 8. The R-angle manufacturing tool according to claim 1, wherein the vertical rod (4) is fixedly connected with an operating rod (14) extending in a direction away from the rotating shaft (2).

Description

R angle manufacturing tool Technical Field The utility model belongs to the technical field of plate processing tools, and particularly relates to an R-angle manufacturing tool. Background The fixture is a device for fixing a machining object in a machining process so as to occupy a correct position to receive construction or detection, and in a broad sense, any process in the process for rapidly, conveniently and safely installing a workpiece may be referred to as a fixture, for example, a welding fixture, an inspection fixture, an assembling fixture, a machine tool fixture, or the like. The utility model patent with the publication number of CN215391648U discloses an R angle manufacturing tool, which comprises a fixed base and a rotating part limiting part, wherein a rotatable rotating shaft is clamped at the center of the upper surface of the fixed base, one side of the upper surface of the fixed base is fixedly connected with the rotating part limiting part for processing a plate, a lantern ring capable of sliding along the outer part of the rotating shaft is sleeved outside the rotating shaft, a pushing rod is fixedly connected with the side face of the lantern ring, a sleeve rod capable of sliding along the pushing rod is sleeved outside the pushing rod, a support is fixedly connected with the side face of the sleeve rod, a round rod is fixedly connected with the side face of the support, and an extrusion part for extruding the plate is clamped at the bottom end of the round rod. When the arc-shaped plate is manufactured, the extrusion part is extruded at the front end, and after the workpiece bent at the rear end is out of constraint, the phenomenon that the workpiece is tilted due to no constraint force is likely to occur, so that flaws occur when the arc-shaped plate is extruded, and therefore, the R angle manufacturing tool is required to be further improved. Disclosure of utility model The utility model aims to provide an R angle manufacturing tool which is used for solving the problem that a workpiece bent at the rear end of an extrusion part is likely to tilt after losing constraint when an arc-shaped plate is extruded in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The R angle manufacturing tool comprises a fixed base, a rotating shaft, a rotating piece limiting piece, a vertical rod, an extrusion piece and a first connecting rod, wherein the rotating shaft is arranged at the center of the upper surface of the fixed base in a rotating mode, the rotating piece limiting piece is fixed on one side of the upper surface of the fixed base, the extrusion piece is fixed on one side of the rotating piece limiting piece, the vertical rod is connected with the rotating shaft through the first connecting rod located above the rotating piece limiting piece, a limiting block is fixedly arranged on the upper surface of the fixed base, a plate positioning block is arranged between the limiting block and the rotating piece limiting piece, a plate positioning opening is formed in one surface of the plate positioning block, facing the rotating piece limiting piece, and used for tightly pressing one end of a plate on one side of the rotating piece limiting piece through the plate positioning opening, the extrusion piece is located between the plate positioning block and the rotating piece limiting piece and in transmission connection with the plate positioning block, when the extrusion piece rotates from one side of the rotating piece limiting piece to the other side, the plate positioning block can be driven to abut against one side of the rotating piece limiting piece, and the plate positioning block can be driven to be separated from one side of the rotating piece limiting piece and abut against one side of the limiting piece. According to the technical scheme, an arc-shaped rack which is arranged by taking a rotating shaft as a central shaft is arranged outside the fixed base, one end of the arc-shaped rack is fixedly connected with the vertical rod, the other end of the arc-shaped rack is connected with the rotating shaft through a second connecting rod, an arc-shaped limiting hole is formed in the plate positioning block, one side of the arc-shaped limiting hole is rotationally connected with a gear, the arc-shaped rack penetrates through the arc-shaped limiting hole, the inner side of the arc-shaped rack is in matched engagement with the gear, and the outer side of the arc-shaped rack is in sliding fit with the other side of the arc-shaped limiting hole. As a preferable technical scheme in the utility model, the plate positioning block comprises an upper positioning block and a lower positioning block which are connected through a first bolt, an arc-shaped limiting hole is positioned between the upper positioning block and the lower positioning block, one side of the arc-shaped limiting hole is provided with a gear accommodating groo