Bending jig for cold work die steel

Abstract

The utility model discloses a kind of bending jig of cold work die steel, including base and stable clamping mechanism;The upside of base is equipped with inverted L frame;Stable clamping mechanism includes sliding slot, sliding base, top rod, fixed base and clamping plate, the upper surface of inverted L frame is symmetrically opened in the left and right of sliding slot, the inner portion of sliding slot is slidably connected with sliding base respectively, the inner portion of sliding base is rotatably connected with top rod respectively, the lower end of top rod is rotatably connected with fixed base respectively, the lower surface of two fixed bases is fixedly connected with the upper surface of a clamping plate respectively, the stable clamping mechanism further includes screw rod, the inside of two sliding slots is rotatably connected with the screw rod respectively, fixed connection between two screw rods, the thread direction of two screw rods is opposite, the outer thread surface of two screw rods is respectively threadedly connected with the middle portion of sliding base in the same sliding slot.

Description

Technical Field

[0001] This utility model relates to the field of bending technology for cold work die steel, specifically a bending tool for cold work die steel. Background Technology

[0002] Cold work die steel refers to die steel used to deform or form metal in a cold state. The most commonly used special cold work die steel is Cr12 steel. In the bending process of cold work die steel, the selection of jigs should be based on the high strength and high hardness characteristics of cold work die steel (such as the hardness of quenched state often reaching HRC58-65), bending process requirements (such as bending angle, precision, and avoiding cracking) and processing safety.

[0003] In the prior art, the patent with authorization publication number CN202020513582.4 discloses a bending jig for cold work die steel. However, it has some problems in actual use. For example, when two motors drive two lead screws to rotate synchronously, there is an error in the dual lead screw transmission. This error may lead to poor stability and a poor clamping effect when adjusting the height of the connecting plate. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a bending fixture for cold work die steel with good stability and good clamping effect when the clamping plate moves up and down, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bending fixture for cold work die steel, comprising a base and a stabilizing clamping mechanism; The upper side of the base is provided with an inverted L-shaped bracket; The stabilizing clamping mechanism includes a slide groove, a slide base, a push rod, a fixed base, and a clamping plate. The slide groove is symmetrically opened on the upper surface of the inverted L-shaped frame. The slide base is slidably connected to the inside of the slide groove. The push rod is rotatably connected to the inside of the slide base. The lower end of the push rod is rotatably connected to the fixed base. The lower surfaces of the two fixed bases are fixedly connected to the upper surface of one clamping plate.

[0006] Furthermore, the stabilizing clamping mechanism also includes screws, which are rotatably connected to the interior of two slide grooves. The two screws are fixedly connected to each other, and the thread directions of the two screws are opposite. The external thread surfaces of the two screws are respectively threaded to the middle of the slide block located in the same slide groove, thereby realizing the function of thread transmission.

[0007] Furthermore, the stabilizing clamping mechanism also includes guide blocks and guide rails. The guide blocks are symmetrically fixed to the rear side of the clamping plate, and guide rails are symmetrically provided on the rear sidewall of the inverted L-shaped frame. The two guide blocks are slidably connected to the interior of the guide rails corresponding to the longitudinal position, thereby realizing the function of restricting the vertical movement of the clamping plate on the left and right sides.

[0008] Furthermore, a throttle is fixedly connected to the left end of the screw on the left side to provide power for clamping.

[0009] Furthermore, bolt mounting holes are provided at the four corners of the upper surface of the base to fix the fixture.

[0010] Furthermore, the upper surface of the base is provided with a bottom placement platform on the front side, and the lower side of the front side wall of the inverted L-shaped frame is fixedly connected with an abutment surface to restrict the placement position of the cold work die steel.

[0011] Furthermore, anti-slip pads are provided on the front side of the upper surface of the bottom placement platform and the front side of the lower surface of the clamping plate to increase the friction coefficient after the cold work die steel is clamped.

[0012] Compared with the prior art, the beneficial effects of this utility model are: The screw employs its self-locking characteristic and synchronous linkage structure to drive the clamping plate to adjust its height to be parallel to the horizontal plane, and finally clamps the upper and lower surfaces of the cold work die steel. The clamping plate has good stability when moving up and down, and the clamping effect is good. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a cross-sectional structural diagram of the inverted L-shaped frame of this utility model; Figure 3 This is a schematic diagram of the structure of the stable clamping mechanism of this utility model.

[0014] In the diagram: 1. Base, 2. L-shaped frame, 3. Stable clamping mechanism, 31. Slide groove, 32. Screw, 33. Slide seat, 34. Top rod, 35. Fixed seat, 36. Clamping plate, 37. Guide block, 38. Guide rail, 4. Anti-slip pad, 5. Turning handle, 6. Bottom placement platform, 7. Mounting plate. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-3This embodiment provides a technical solution: a bending jig for cold work die steel, including a base 1 and a stable clamping mechanism 3; an inverted L-shaped frame 2 is provided on the upper side of the base 1, bolt mounting holes 7 are respectively opened at the four corners of the upper surface of the base 1, a bottom placement platform 6 is provided on the front side of the upper surface of the base 1, and an abutment surface 8 is fixedly connected to the lower side of the front side wall of the inverted L-shaped frame 2.

[0017] The stabilizing clamping mechanism 3 includes a slide groove 31, a slide block 33, a push rod 34, a fixed seat 35, and a clamping plate 36. The slide grooves 31 are symmetrically arranged on the upper surface of the inverted L-shaped frame 2. Slide blocks 33 are slidably connected inside the slide grooves 31, and push rods 34 are rotatably connected inside the slide blocks 33. Fixed seats 35 are rotatably connected to the lower ends of the push rods 34. The lower surfaces of the two fixed seats 35 are fixedly connected to the upper surfaces of one clamping plate 36. The stabilizing clamping mechanism 3 also includes screws 32, which are rotatably connected inside the two slide grooves 31 and fixedly connected to each other. The screws 32 have opposite thread directions, and their external thread surfaces are threadedly connected to the middle of the slide blocks 33 located in the same slide groove 31. Corrugated pipes are fixedly connected to the left and right walls of the two slide grooves 31, and the ends of the four corrugated pipes are... The bellows seals the exposed threaded surface of the screw 32 and adapts to the left and right movement of the slide 33, preventing contamination of the external threaded surface of the screw 32 and affecting subsequent transmission efficiency. The stabilizing clamping mechanism 3 also includes guide blocks 37 and guide rails 38. The guide blocks 37 are symmetrically fixed to the rear side of the clamping plate 36. The rear side wall of the inverted L-shaped frame 2 is symmetrically provided with guide rails 38. The two guide blocks 37 are slidably connected to the interior of the guide rails 38 corresponding to the longitudinal position. The left end of the screw 32 on the left is fixedly connected with a throttle 5. The throttle 5 can also be replaced with a servo motor according to actual working requirements. The front side of the upper surface of the bottom placement platform 6 and the front side of the lower surface of the clamping plate 36 are respectively provided with anti-slip pads 4. The anti-slip pads 4 are made of rubber with a high coefficient of friction.

[0018] The working principle of this utility model is as follows: When the bending jig is needed, the jig can be installed on the bending machine station through the bolt mounting port 7 and the external bolts. Then the cold work die steel can be placed on the upper surface of the bottom placement platform 6. At this time, the anti-slip pad 4 on the upper surface of the bottom placement platform 6 contacts the lower surface of the cold work die steel. Then, the handle 5 can be manually turned, which will drive the two screws 32 to rotate synchronously in the forward and reverse directions. At this time, the slide block 33 in the slide groove 31 can be moved. When the left slide block 33 moves to the left, the right slide block 33 will move to the right, and vice versa. At this time, the clamping plate 36 will be pushed or pulled upward or downward by the push rod 34, and moved upward or downward in parallel. At this time, the clamping plate 36 can be controlled to move to a specified height. The anti-slip pad 4 of the clamping plate 36 will press against the upper surface of the cold work die steel, and the cold work die steel will be clamped and fixed. Then, multiple of these jigs can be installed to fix the cold work die steel in multiple directions. Then, the bending machine can be controlled to perform bending operations on the cold work die steel.

[0019] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A bending tool for cold work die steel, characterized in that: Includes a base (1) and a stabilizing clamping mechanism (3); The base (1) is provided with an inverted L-shaped frame (2) on its upper side; The stabilizing clamping mechanism (3) includes a slide groove (31), a slide block (33), a push rod (34), a fixed seat (35), and a clamping plate (36). The slide groove (31) is symmetrically opened on the upper surface of the inverted L frame (2). The slide block (33) is slidably connected to the inside of the slide groove (31). The push rod (34) is rotatably connected to the inside of the slide block (33). The lower end of the push rod (34) is rotatably connected to the fixed seat (35). The lower surfaces of the two fixed seats (35) are fixedly connected to the upper surface of a clamping plate (36).

2. The bending fixture for cold work die steel according to claim 1, characterized in that: The stabilizing clamping mechanism (3) also includes a screw (32), which is rotatably connected to the inside of two slides (31). The two screws (32) are fixedly connected to each other, and the threads of the two screws (32) are opposite. The external thread surfaces of the two screws (32) are respectively threaded to the middle of the slide block (33) located in the same slide (31).

3. A bending fixture for cold work die steel according to claim 1, characterized in that: The stabilizing clamping mechanism (3) also includes a guide block (37) and a guide rail (38). The guide block (37) is symmetrically fixed to the rear side of the clamping plate (36). The rear side wall of the inverted L frame (2) is symmetrically provided with guide rails (38). The two guide blocks (37) are slidably connected to the interior of the guide rails (38) corresponding to the longitudinal position.

4. A bending fixture for cold work die steel according to claim 2, characterized in that: A throttle (5) is fixedly connected to the left end of the screw (32) on the left side.

5. A bending fixture for cold work die steel according to claim 1, characterized in that: The base (1) has bolt mounting holes (7) at the four corners of its upper surface.

6. A bending fixture for cold work die steel according to claim 1, characterized in that: The base (1) has a bottom placement platform (6) on the front side of its upper surface, and the inverted L-shaped frame (2) has an abutment surface (8) fixedly connected to the lower side of its front wall.

7. A bending fixture for cold work die steel according to claim 6, characterized in that: Anti-slip pads (4) are provided on the front side of the upper surface of the bottom placement platform (6) and the front side of the lower surface of the clamping plate (36).

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