Bending machine lower die positioning clamp

Abstract

The utility model discloses a bending machine lower die positioning clamp which comprises a die holder and a lower die body, two rectangular through holes are formed in the front face of the die holder, clamping mechanisms are arranged in inner cavities of the two rectangular through holes, and each clamping mechanism is composed of a rectangular block, a front clamping assembly and a rear clamping assembly. The front clamping assembly comprises a U-shaped plate, a first threaded hole, a first adjusting bolt, a short movable block, a short L-shaped block and a front clamping plate. The rear clamping assembly comprises a fixed block, a second threaded hole, a second adjusting bolt, a long movable block, a long L-shaped block and a rear clamping plate. By means of the clamping mechanism, adjustment work of the front clamping plate and the rear clamping plate can be completed in front of the lower die of the bending machine through cooperation of the U-shaped plate, the first adjusting bolt, the short movable block, the short L-shaped block, the front clamping plate, the fixed block, the second adjusting bolt, the long movable block, the long L-shaped block and the rear clamping plate, and a worker does not need to stretch the hand into the bending machine to conduct adjustment work; and the safety coefficient of positioning work of the lower die of the bending machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending machine mould, especially relates to a bending machine lower die positioning fixture. BACKGROUND

[0002] Bending machine is a kind of equipment that can bend sheet, mainly used in sheet metal processing industry, bending machine mould can be divided into upper die and lower die, the main function of bending machine lower die is to fix and support plate in the bending process, ensure the stability of plate in the forming process, lower die usually has die groove, commonly known as single V die, double V die and multi-V die.

[0003] The positioning fixture of bending machine lower die is mainly composed of fixed plate, threaded hole, screw and front and rear clamping plate structure, when carrying out the positioning operation of bending machine lower die, the front clamping plate in front of bending machine lower die is convenient to adjust, but the rear clamping plate behind bending machine lower die is inconvenient to adjust, often needs staff to stretch arm into the inside of bending machine, and the risk coefficient is relatively large. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of bending machine lower die positioning fixture to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of bending machine lower die positioning fixture, comprising:

[0006] die holder;

[0007] lower die body;

[0008] The front of the die holder is provided with two rectangular through holes, and the inner cavities of the two rectangular through holes are provided with clamping mechanisms;

[0009] The clamping mechanism is composed of a rectangular block, a front clamping assembly and a rear clamping assembly;

[0010] The front clamping assembly includes a U-shaped plate, the front of the U-shaped plate is provided with a threaded hole one, the inner cavity of the threaded hole one is provided with an adjusting bolt one, one end of the adjusting bolt one is provided with a short movable block, the top of the short movable block is provided with a short L-shaped block, and the back of the short L-shaped block is provided with a front clamping plate;

[0011] The rear clamping assembly includes a fixed block, the front of the fixed block is provided with a threaded hole two, the inner cavity of the threaded hole two is provided with an adjusting bolt two, one end of the adjusting bolt two is provided with a long movable block, the top of the long movable block is provided with a long L-shaped block, and the front of the long L-shaped block is provided with a rear clamping plate.

[0012] Preferably, the U-shaped plate is fixedly connected to the front face of the rectangular block, the rectangular block is fixedly connected to the inner cavity of the rectangular through hole, the outer wall of the adjusting bolt one is in threaded connection with the inner wall of the threaded hole one, one end of the adjusting bolt one is in rotational connection with the front face of the short movable block, the short L-shaped block is fixedly connected to the top of the short movable block, and the front clamping plate is fixedly connected to the back face of the short L-shaped block.

[0013] Preferably, the fixing block is fixedly connected to the bottom of the rectangular block, the outer wall of the adjusting bolt two is in threaded connection with the inner wall of the threaded hole two, one end of the adjusting bolt two is in rotational connection with the front face of the long movable block, the long L-shaped block is fixedly connected to the top of the long movable block, and the back clamping plate is fixedly connected to the front face of the long L-shaped block.

[0014] Preferably, the two sides of the inner wall of the U-shaped plate are symmetrically provided with limiting sliding grooves, the two sides of the short movable block are fixedly connected with limiting sliding blocks in position, and the outer walls of the two limiting sliding blocks are movably sleeved with the inner cavities of the limiting sliding grooves in position.

[0015] Preferably, the bottom of the rectangular block is provided with a T-shaped sliding groove, a T-shaped sliding block is movably sleeved in the inner cavity of the T-shaped sliding groove, and the bottom of the T-shaped sliding block is fixedly connected to the top of the long movable block.

[0016] Preferably, the outer walls of the adjusting bolt one and the adjusting bolt two are fixedly connected with auxiliary rotating rods, and the outer walls of the two auxiliary rotating rods are provided with uniformly distributed anti-skid lines.

[0017] The technical effects and advantages of the present application are as follows:

[0018] (1) The present application is provided with a clamping mechanism, and the cooperation between the U-shaped plate, the adjusting bolt one, the short movable block, the short L-shaped block, the front clamping plate, the fixing block, the adjusting bolt two, the long movable block, the long L-shaped block and the back clamping plate can complete the adjustment of the front and back clamping plates in front of the lower die of the bending machine, so that the staff does not need to put his hand into the bending machine to adjust, and the safety factor of the lower die positioning work of the bending machine is improved.

[0019] (2) The present application is provided with a T-shaped sliding groove and a T-shaped sliding block, and the cooperation between the T-shaped sliding groove and the T-shaped sliding block can improve the stability of the movement of the long movable block, the long L-shaped block and the back clamping plate. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic diagram of the present application.

[0021] Figure 2 It is a three-dimensional structure schematic diagram of the clamping mechanism of the present application.

[0022] Figure 3 It is a side sectional structure schematic diagram of the clamping mechanism of the present application.

[0023] Figure 4 It is a U-shaped plate plan view structure schematic diagram of the utility model.

[0024] In the figure: 1, die holder; 2, lower die body; 3, clamping mechanism; 301, rectangular block; 302, front clamping assembly; 3021, U-shaped plate; 3022, adjusting bolt one; 3023, short movable block; 3024, short L-shaped block; 3025, front clamping plate; 3026, limit sliding block; 303, rear clamping assembly; 3031, fixed block; 3032, adjusting bolt two; 3033, long movable block; 3034, long L-shaped block; 3035, rear clamping plate; 3036, T-shaped sliding block; 4, auxiliary rotating rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0026] The utility model provides a kind of lower die positioning fixture of bending machine as shown in Figures 1-4 It is a U-shaped plate plan view structure schematic diagram of the utility model., including die holder 1 and lower die body 2, the front of die holder 1 is equipped with two rectangular through holes, the inner cavity of two rectangular through holes is equipped with clamping mechanism 3, clamping mechanism 3 is used for safely completing bending machine lower die clamping positioning work, avoids staff to stretch hand into bending machine interior to adjust work, improves the safety factor of bending machine lower die positioning work, clamping mechanism 3 is composed of rectangular block 301, front clamping assembly 302 and rear clamping assembly 303, rectangular block 301 is fixedly connected in the inner cavity of rectangular through hole;

[0027] The front clamping assembly 302 comprises a U-shaped plate 3021 fixedly connected to the front face of the rectangular block 301, the front face of the U-shaped plate 3021 is provided with a threaded hole one, the inner cavity of the threaded hole one is provided with an adjusting bolt one 3022, the outer wall of the adjusting bolt one 3022 is threadedly connected with the inner wall of the threaded hole one, the adjusting bolt one 3022 is composed of a screw rod and a circular rotating block, one end of the adjusting bolt one 3022 is provided with a short movable block 3023, the one end of the adjusting bolt one 3022 is rotationally connected with the front face of the short movable block 3023, the inner wall of the U-shaped plate 3021 is symmetrically provided with a limiting sliding groove on both sides, the two sides of the short movable block 3023 are symmetrically and fixedly connected with limiting sliding blocks 3026, the limiting sliding blocks 3026 and the limiting sliding groove are used for ensuring that the short movable block 3023 can move stably, the outer walls of the two limiting sliding blocks 3026 are movably sleeved with the inner cavities of the limiting sliding grooves corresponding in position, the top of the short movable block 3023 is provided with a short L-shaped block 3024, the short L-shaped block 3024 is fixedly connected to the top of the short movable block 3023, the back face of the short L-shaped block 3024 is provided with a front clamping plate 3025, the front face of the front clamping plate 3025 is provided with evenly distributed anti-skid lines, and the front face of the front clamping plate 3025 is fixedly connected with the back face of the short L-shaped block 3024;

[0028] The rear clamping assembly 303 comprises a fixed block 3031 fixedly connected to the bottom of the rectangular block 301, the front face of the fixed block 3031 is provided with a threaded hole two, the inner cavity of the threaded hole two is provided with an adjusting bolt two 3032, the outer wall of the adjusting bolt two 3032 is threadedly connected with the inner wall of the threaded hole two, the adjusting bolt two 3032 is composed of a screw rod and a circular rotating block, the same as the adjusting bolt one 3022, one end of the adjusting bolt two 3032 is provided with a long movable block 3033, the one end of the adjusting bolt two 3032 is rotationally connected with the front face of the long movable block 3033, the bottom of the rectangular block 301 is provided with a T-shaped sliding groove, the inner cavity of the T-shaped sliding groove is slidably sleeved with a T-shaped sliding block 3036, the bottom of the T-shaped sliding block 3036 is fixedly connected with the top of the long movable block 3033, the T-shaped sliding groove and the T-shaped sliding block 3036 are used for ensuring that the long movable block 3033 can move stably, the top of the long movable block 3033 is provided with a long L-shaped block 3034, the long L-shaped block 3034 is fixedly connected to the top of the long movable block 3033, the front face of the long L-shaped block 3034 is provided with a rear clamping plate 3035, the front face of the rear clamping plate 3035 is provided with evenly distributed anti-skid lines, the back face of the rear clamping plate 3035 is fixedly connected with the front face of the long L-shaped block 3034, the rear clamping plate 3035 and the front clamping plate 3025 are in the same height, the adjusting bolt one 3022 rotating clockwise in the threaded hole one will drive the front clamping plate 3025 to move towards the rear clamping plate 3035, and the adjusting bolt two 3032 rotating counterclockwise in the threaded hole two will drive the rear clamping plate 3035 to move towards the front clamping plate 3025;

[0029] The outer wall of the adjusting bolt one 3022 and the adjusting bolt two 3032 is fixedly connected with an auxiliary rotating rod 4, the auxiliary rotating rod 4 is used for preventing the staff from applying a rotating force to the adjusting bolt one 3022 and the adjusting bolt two 3032, the outer wall of the two auxiliary rotating rods 4 is provided with evenly distributed anti-skid lines, and the anti-skid lines are used for increasing the friction between the auxiliary rotating rod 4 and the palm of the staff.

[0030] The utility model discloses working principle:

[0031] When clamping and positioning the lower die of the bending machine, first, the lower die of the bending machine is placed on the top of the die seat 1, after completing the tool setting with the upper die of the bending machine, the adjusting bolt one 3022 is rotated clockwise, the adjusting bolt one 3022 rotated clockwise in the threaded hole one drives the short movable block 3023 to move towards the direction of the rectangular block 301, in this process, the front clamping plate 3025 connected with the short movable block 3023 through the short L-shaped block 3024 gradually approaches the front face of the lower die of the bending machine, after the front clamping plate 3025 contacts with the front face of the lower die of the bending machine, stop rotating the adjusting bolt one 3022, then the adjusting bolt two 3032 is rotated counterclockwise, the adjusting bolt two 3032 rotated counterclockwise in the threaded hole two drives the long movable block 3033 to move towards the direction of the fixed block 3031, in this process, the rear clamping plate 3035 connected with the long movable block 3033 through the long L-shaped block 3034 gradually approaches the back of the lower die of the bending machine, after the rear clamping plate 3035 contacts with the back of the lower die of the bending machine, stop rotating the adjusting bolt two 3032, then rotating the adjusting bolt one 3022 and the adjusting bolt two 3032 while tool setting can complete the positioning work of the lower die of the bending machine, realizing the adjustment work of the front clamping plate 3025 and the rear clamping plate 3035 on the front of the lower die of the bending machine, without the staff needing to put hands into the inside of the bending machine to carry out the adjustment work, the safety factor of the positioning work of the lower die of the bending machine is improved.

[0032] Finally, it should be noted that: the above only for preferred embodiment of the utility model has described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A bending machine lower die positioning clamp, comprising: a die seat (1); a lower die body (2); characterized in that the front face of the die seat (1) is provided with two rectangular through holes, and the inner cavities of the two rectangular through holes are provided with clamping mechanisms (3); the clamping mechanism (3) is composed of a rectangular block (301), a front clamping assembly (302) and a rear clamping assembly (303); the front clamping assembly (302) comprises a U-shaped plate (3021), the front face of the U-shaped plate (3021) is provided with a threaded hole one, the inner cavity of the threaded hole one is provided with an adjusting bolt one (3022), one end of the adjusting bolt one (3022) is provided with a short movable block (3023), the top of the short movable block (3023) is provided with a short L-shaped block (3024), the back of the short L-shaped block (3024) is provided with a front clamping plate (3025); the rear clamping assembly (303) comprises a fixed block (3031), the front face of the fixed block (3031) is provided with a threaded hole two, the inner cavity of the threaded hole two is provided with an adjusting bolt two (3032), one end of the adjusting bolt two (3032) is provided with a long movable block (3033), the top of the long movable block (3033) is provided with a long L-shaped block (3034), the front face of the long L-shaped block (3034) is provided with a rear clamping plate (3035).

2. A lower die positioning fixture for a bending machine according to claim 1, wherein the U-shaped plate (3021) is fixedly connected to the front face of the rectangular block (301), the rectangular block (301) is fixedly connected to the inner cavity of the rectangular through hole, the outer wall of the adjusting bolt one (3022) is threadedly connected with the inner wall of the threaded hole one, one end of the adjusting bolt one (3022) is rotatably connected with the front face of the short movable block (3023), the short L-shaped block (3024) is fixedly connected to the top of the short movable block (3023), and the front face of the front clamping plate (3025) is fixedly connected with the back of the short L-shaped block (3024).

3. The lower die positioning fixture of claim 1 wherein, the fixed block (3031) is fixedly connected to the bottom of the rectangular block (301), the outer wall of the adjusting bolt two (3032) is threadedly connected with the inner wall of the threaded hole two, one end of the adjusting bolt two (3032) is rotatably connected with the front face of the long movable block (3033), the long L-shaped block (3034) is fixedly connected to the top of the long movable block (3033), and the back of the rear clamping plate (3035) is fixedly connected with the front face of the long L-shaped block (3034).

4. The lower die positioning fixture of claim 1 wherein, limiting sliding grooves are symmetrically formed on the inner walls of the U-shaped plate (3021), limiting sliding blocks (3026) are symmetrically fixedly connected to the sides of the short movable block (3023), and the outer walls of the two limiting sliding blocks (3026) are movably sleeved with the inner cavities of the limiting sliding grooves corresponding in position.

5. The lower die positioning fixture of claim 1 wherein, a T-shaped sliding groove is formed in the bottom of the rectangular block (301), a T-shaped sliding block (3036) is slidably sleeved in the inner cavity of the T-shaped sliding groove, and the bottom of the T-shaped sliding block (3036) is fixedly connected with the top of the long movable block (3033).

6. The lower die positioning fixture of claim 1 wherein, The outer wall of the adjusting bolt one (3022) and the adjusting bolt two (3032) is fixedly connected with an auxiliary rotating rod (4), and the outer wall of the two auxiliary rotating rods (4) is provided with uniformly distributed anti-skid lines.

Images