Bending and cutting die for universal internal hexagonal wrench

Abstract

The utility model discloses a universal internal hexagonal wrench bending and cutting die, which relates to the technical field of universal internal hexagonal wrench production and comprises a lower die plate, upper die components are arranged at two ends of the top surface of the lower die plate, a feeding component is arranged at one end of the top surface of the lower die plate, and a supporting component is arranged on the top surface of the lower die plate. The upper die plate is connected with the reciprocating hydraulic device, the lower die plate is fixedly installed on a hydraulic table of the reciprocating hydraulic device, a limiting assembly is arranged at the middle end of the top face of the lower die plate, and a guiding assembly is arranged at one end of the top face of the lower die plate. A hexagonal prism strip is continuously fed into a hexagonal limiting hole of a limiting block on a limiting seat through a feeding hole by a feeding device, and after the hexagonal prism strip is fed till the hexagonal prism penetrates out of the hexagonal limiting hole of the limiting block to the required length, an upper die plate is driven by a hydraulic device to press downwards, and the penetrating-out part of the hexagonal prism is bent by a bending block and a rolling wheel; and after bending, the pressing plate can press down the cutting plate, the cutting knife cuts the hexagonal prism in the feeding hole, and machining is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of universal hexagonal wrench production, in particular to a universal hexagonal wrench bending and cutting die. Background Art

[0002] Universal hexagon wrench is a hexagon wrench with a rotatable head. It can be used in narrow or inconvenient spaces. It is loved by many users for its flexibility and practicality. At present, hexagon wrenches on the market are generally stamped by universal punching machines. In the actual processing and production process, the chamfering and bending processes of hexagon wrenches are completed by two manually controlled punching machines.

[0003] During the production of the existing universal hexagonal wrench, the formed hexagonal prism is cut and then fixed to a bending punch, which is used to bend it. After bending, the surface is engraved by an engraving device. Each process needs to be completed at a corresponding workstation, which results in low production efficiency. Therefore, it needs to be improved. Utility Model Content

[0004] The utility model aims to make up for the deficiencies of the prior art and provides a universal hexagonal wrench bending and cutting die.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal hexagon wrench bending and cutting die, comprising a lower die plate, upper die assemblies are arranged at both ends of the top surface of the lower die plate, a feeding assembly is arranged at one end of the top surface of the lower die plate, a supporting assembly is arranged at the top surface of the lower die plate, a limiting assembly is arranged at the middle end of the top surface of the lower die plate, and a guide assembly is arranged at one end of the top surface of the lower die plate;

[0006] The upper mold assembly includes a guide telescopic rod and an upper mold plate, both ends of the top surface of the upper mold plate are penetrated with mounting holes, both ends of the top surface of the lower mold plate are penetrated with mounting holes, the outer tube of the guide telescopic rod is fixedly installed on the inner wall of the mounting hole of the upper mold plate, the movable rod of the guide telescopic rod is fixedly installed on the inner wall of the mounting hole of the lower mold plate, one end of the bottom surface of the upper mold plate is provided with a bending assembly, and one end of the upper mold plate is provided with a printing assembly.

[0007] As mentioned above, the loading assembly includes a loading plate and a loading hole. The loading plate is fixedly mounted on one end of the top surface of the lower template through a mounting plate. The loading hole is opened through the side of the loading plate. The loading hole is hexagonal, and a cutting assembly is arranged on the side of the loading plate.

[0008] As mentioned above, the cutting assembly includes a slide groove 1, a limit column, a cutting plate, a cutting knife and a spring. The slide groove 1 is fixedly installed on the side of the loading plate, and a cutting plate is inserted into the inner wall of the slide groove 1. A limit groove is penetrated through the upper end of the side of the cutting plate, and a cutting groove is penetrated through the lower end of the side of the cutting plate, and a concealed cutting knife is fixed on the inner wall of the cutting groove. A limit column is fixedly installed on the side of the loading plate, and the limit column passes through the limit groove of the cutting plate. Three springs are fixedly installed on the top surface of the base of the loading plate, and the top ends of the springs are fixedly connected to the bottom surface of the cutting plate.

[0009] As mentioned above, a pressing plate is fixedly mounted on one end of the top surface of the upper template, and the pressing plate is located just above the cutting plate.

[0010] As mentioned above, the limit assembly includes a limit block and a limit seat, the limit seat is fixedly installed on the middle end of the top surface of the lower template, the limit block is fixedly installed on the top surface of the limit seat, and a hexagonal limit hole is opened through the side of the limit block.

[0011] As mentioned above, the guide assembly includes a mounting block and a guide bevel block. The mounting block is fixedly mounted on the top surface of the lower template. A groove is formed on the top surface of the mounting block, and the guide bevel block is fixedly mounted on the inner wall of the groove.

[0012] As mentioned above, the bending assembly includes a second slide groove, a bending block and a roller, the second slide groove is fixedly installed at one end of the top surface of the upper template, the inner wall of the second slide groove is movably connected with a slider, and the bending block is fixedly installed on the bottom surface of the slider, one end of the slider of the second slide groove is fixedly connected with a return spring, and the other end of the return spring is fixedly connected to the inner wall of the second slide groove, a connecting groove is provided on the bottom surface of the bending block, and connecting holes are provided at both ends of the inner wall of the connecting groove, the front and back sides of the roller are fixedly connected with connecting shafts, and are movably connected to the connecting holes of the connecting groove of the bending block through the connecting shafts.

[0013] As mentioned above, the printing assembly includes a printing block and a mounting groove 1, wherein the mounting groove 1 is fixedly mounted on the bottom surface of the upper template, and the printing block is fixedly mounted on the inner wall of the mounting groove 1.

[0014] As mentioned above, the support assembly includes a second mounting groove and a support block. The second mounting groove is fixedly mounted on the top surface of the lower template. The inner wall of the second mounting groove is fixedly mounted on the support block. The support block is located directly below the printing block.

[0015] Compared with the prior art, the universal hexagon wrench bending and cutting die has the following beneficial effects:

[0016] 1. The utility model connects the upper template with the reciprocating hydraulic device by means of the provided feeding plate, feeding hole, cutting plate, cutting knife, limiting column, spring, limiting seat, limiting block, mounting block, guiding inclined block, slide groove 1, slide groove 2, bending block, roller and pressing plate, and fixes the lower template on the hydraulic table of the reciprocating hydraulic device. The feeding device continuously passes the hexagonal column strip through the movable groove of the cutting plate, and feeds the strip through the feeding hole to the hexagonal limiting hole of the limiting block on the limiting seat, until the hexagonal column passes through the hexagonal limiting hole of the limiting block to the required length, and then stops feeding, and drives the upper template through the hydraulic device Press down so that the bending block and roller in the slide 1 can bend the protruding part of the hexagonal prism along the guide bevel on the mounting block. When it is bent to a right angle, the pressure plate will press down the cutting plate to allow the cutting knife to cut the hexagonal prism in the feeding hole to complete the processing of the universal hexagonal wrench. After completion, the upper template moves up, and the cutting plate and the bending block are reset. At this time, the feeding device is used to feed the material, and the processed universal hexagonal wrench is pushed out of the limit block through the new hexagonal prism for unloading. In the subsequent processing, the hexagonal prism does not need to be pre-processed and can be processed into a universal hexagonal wrench at one time, and continuous processing can be carried out.

[0017] 2. The utility model provides the installation groove 1, the printing block, the installation groove 2 and the support block, so that when the upper template is pressed down, the printing block can be driven to press on the surface of the hexagonal prism to print, and the support block can support the pressed position to prevent bending.

[0018] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or may be taught from the practice of the present invention to some extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a front view structural schematic diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the side structure of the cutting plate of the utility model;

[0022] Figure 4 It is a schematic diagram of the side structure of the bending block of the utility model.

[0023] In the figure: 1. Lower template; 2. Mounting block; 3. Guide bevel block; 4. Limit seat; 5. Limit block; 6. Support block; 7. Feeding plate; 8. Limit column; 9. Cutting plate; 10. Cutting knife; 11. Spring; 12. Slideway 1; 13. Upper template; 14. Guide telescopic rod; 15. Slideway 2; 16. Bending block; 17. Roller; 18. Pressing plate; 19. Printing block; 20. Feeding hole; 21. Mounting slot 1; 22. Mounting slot 2. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-4 As shown, the utility model provides a technical solution: a universal hexagon wrench bending and cutting die, comprising a lower template 1, upper mold assemblies are arranged at both ends of the top surface of the lower template 1, a feeding assembly is arranged at one end of the top surface of the lower template 1, a supporting assembly is arranged on the top surface of the lower template 1, a limiting assembly is arranged at the middle end of the top surface of the lower template 1, and a guide assembly is arranged at one end of the top surface of the lower template 1;

[0026] The upper mold assembly includes a guide telescopic rod 14 and an upper mold plate 13. Both ends of the top surface of the upper mold plate 13 are penetrated with mounting holes, and both ends of the top surface of the lower mold plate 1 are penetrated with mounting holes. The outer tube of the guide telescopic rod 14 is fixedly installed on the inner wall of the mounting hole of the upper mold plate 13, and the movable rod of the guide telescopic rod 14 is fixedly installed on the inner wall of the mounting hole of the lower mold plate 1. A bending component is provided at one end of the bottom surface of the upper mold plate 13, and a printing component is provided at one end of the upper mold plate 13.

[0027] According to the overall structure of the device, the upper template 13 is connected to the reciprocating hydraulic device, and the lower template 1 is fixedly installed on the hydraulic table of the reciprocating hydraulic device. The hexagonal column strips are continuously passed through the movable groove of the cutting plate 9 by the feeding device, and are fed to the hexagonal limiting hole of the limiting block 5 on the limiting seat 4 through the feeding hole 20, until the hexagonal column passes through the hexagonal limiting hole of the limiting block 5 to the required length, the feeding is stopped, and the upper template 13 is driven downward by the hydraulic device to allow the bending block 16 and the roller 17 in the slide 12 to follow the guide inclined block 3 on the mounting block 2 to the hexagonal limiting hole. The protruding part of the column is bent. When it is bent to a right angle, the pressing plate 18 will press down the cutting plate 9, allowing the cutting knife 10 to cut the hexagonal prism in the feeding hole 20 to complete the processing of the universal hexagonal wrench, and when the upper template 13 is pressed down, it will drive the printing block 19 to press on the surface of the hexagonal prism to print, and the support block 6 can support the pressed position to prevent bending. After completion, the upper template 13 moves up, the cutting plate 9 and the bending block 16 are reset, and the feeding device is used to feed the material again. The processed universal hexagonal wrench is pushed out from the limit block 5 through the new hexagonal prism for unloading.

[0028] like Figure 2-3 As shown, the feeding assembly includes a feeding plate 7 and a feeding hole 20. The feeding plate 7 is fixedly installed on one end of the top surface of the lower template 1 through a mounting plate. The feeding hole 20 is opened through the side of the feeding plate 7. The feeding hole 20 is hexagonal. A cutting assembly is arranged on the side of the feeding plate 7. The cutting assembly includes a slide groove 12, a limit column 8, a cutting plate 9, a cutting knife 10 and a spring 11. The slide groove 12 is fixedly installed on the side of the feeding plate 7. The inner wall of the slide groove 12 is inserted with a cutting plate 9, a limiting groove is formed on the upper end of the side of the cutting plate 9, a cutting groove is formed on the lower end of the side of the cutting plate 9, and a cutting knife 10 is fixedly installed on the inner wall of the cutting groove, a limiting column 8 is fixedly installed on the side of the feeding plate 7, and the limiting column 8 passes through the limiting groove of the cutting plate 9, three springs 11 are fixedly installed on the top surface of the base of the feeding plate 7, and the top ends of the springs 11 are fixedly connected to the bottom surface of the cutting plate 9, and a pressing plate 18 is fixedly installed on one end of the top surface of the upper template 13, and the pressing plate 18 is located directly above the cutting plate 9.

[0029] By setting the feeding plate 7, feeding hole 20, slide groove 12, limiting column 8, cutting plate 9, cutting knife 10, spring 11 and pressing plate 18, the hexagonal prism strips can be continuously passed through the movable groove of the cutting plate 9 by the feeding device, and the feeding is carried out through the feeding hole 20. After the bending is completed, the pressing plate 18 will press down the cutting plate 9 to allow the cutting knife 10 to cut the hexagonal prism in the feeding hole 20. When the pressing plate 18 no longer presses the cutting plate 9, the cutting plate 9 will be reset by the spring 11, and the limiting column 8 can prevent the cutting plate 9 from escaping from the slide groove 12.

[0030] like Figure 2 and Figure 4As shown, the limit assembly includes a limit block 5 and a limit seat 4, the limit seat 4 is fixedly installed on the middle end of the top surface of the lower template 1, the limit block 5 is fixedly installed on the top surface of the limit seat 4, and the side of the limit block 5 is penetrated with a hexagonal limit hole, the guide assembly includes a mounting block 2 and a guide inclined block 3, the mounting block 2 is fixedly installed on the top surface of the lower template 1, the top surface of the mounting block 2 is provided with a groove body, and the inner wall of the groove body is fixedly installed with the guide inclined block 3, the bending assembly includes a slide groove 15, a bending block 16 and a roller 17, the slide groove 11 5 is fixedly installed on one end of the top surface of the upper template 13, the inner wall of the second slide groove 15 is movably connected with a slider, and the bottom surface of the slider is fixedly installed with a bending block 16, one end of the slider of the second slide groove 15 is fixedly connected with a return spring, and the other end of the return spring is fixedly connected to the inner wall of the second slide groove 15, a connecting groove is provided on the bottom surface of the bending block 16, and connecting holes are provided at both ends of the inner wall of the connecting groove, and the front and back sides of the roller 17 are fixedly connected with connecting shafts, and are movably connected to the connecting holes of the connecting groove of the bending block 16 through the connecting shafts.

[0031] By setting the limit block 5, the limit seat 4, the mounting block 2, the guide bevel block 3, the second slide 15, the bending block 16 and the roller 17, the hexagonal prism strip can be loaded to the hexagonal limit hole of the hexagonal prism passing through the limit block 5 to the required length, and then the upper template 13 is driven downward by the hydraulic device to allow the bending block 16 and the roller 17 in the slide 12 to bend the protruding part of the hexagonal prism along the guide bevel block 3 on the mounting block 2.

[0032] like Figure 2 As shown, the printing assembly includes a printing block 19 and a mounting groove 21, the mounting groove 21 is fixedly installed on the bottom surface of the upper template 13, and the printing block 19 is fixedly installed on the inner wall of the mounting groove 21. The supporting assembly includes a mounting groove 22 and a supporting block 6, the mounting groove 22 is fixedly installed on the top surface of the lower template 1, and the supporting block 6 is fixedly installed on the inner wall of the mounting groove 22, and the supporting block 6 is located directly below the printing block 19.

[0033] By setting the printing block 19, the installation groove 1 21, the installation groove 22 and the support block 6, when the upper template 13 is pressed down, the printing block 19 will be driven to press on the surface of the hexagonal prism to print, and the support block 6 can support the pressed position to prevent bending.

[0034] Working principle: Connect the upper template 13 to the reciprocating hydraulic device, and fix the lower template 1 on the hydraulic table of the reciprocating hydraulic device. The feeding device continuously passes the hexagonal column strips through the movable groove of the cutting plate 9, and feeds them to the hexagonal limiting hole of the limiting block 5 on the limiting seat 4 through the feeding hole 20, until the hexagonal column passes through the hexagonal limiting hole of the limiting block 5 to the required length, then stop feeding, and drive the upper template 13 to press down through the hydraulic device, so that the bending block 16 and the roller 17 in the slide 12 can pass through the hexagonal column along the guide inclined block 3 on the mounting block 2 Part of it is bent. When it is bent to a right angle, the pressing plate 18 will press down the cutting plate 9, allowing the cutting knife 10 to cut the hexagonal prism in the feeding hole 20 to complete the processing of the universal hexagonal wrench, and when the upper template 13 is pressed down, it will drive the printing block 19 to press on the surface of the hexagonal prism to print, and the support block 6 can support the pressed position to prevent bending. After completion, the upper template 13 moves up, and the cutting plate 9 and the bending block 16 are reset. At this time, the feeding device is used to feed the material, and the processed universal hexagonal wrench is pushed out from the limit block 5 through the new hexagonal prism for unloading.

[0035] It should be noted that, in this article, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected", and "connected" should be understood in a broad sense. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "connected" can be a direct connection, an indirect connection through an intermediate medium, or a connection between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A universal hexagon wrench bending and cutting die, comprising a lower die plate (1), characterized in that: Upper mold assemblies are arranged at both ends of the top surface of the lower mold plate (1), a loading assembly is arranged at one end of the top surface of the lower mold plate (1), a supporting assembly is arranged at the top surface of the lower mold plate (1), a limiting assembly is arranged at the middle end of the top surface of the lower mold plate (1), and a guiding assembly is arranged at one end of the top surface of the lower mold plate (1); The upper mold assembly comprises a guide telescopic rod (14) and an upper mold plate (13); both ends of the top surface of the upper mold plate (13) are penetrated with mounting holes; both ends of the top surface of the lower mold plate (1) are penetrated with mounting holes; the outer tube of the guide telescopic rod (14) is fixedly mounted on the inner wall of the mounting hole of the upper mold plate (13); the movable rod of the guide telescopic rod (14) is fixedly mounted on the inner wall of the mounting hole of the lower mold plate (1); one end of the bottom surface of the upper mold plate (13) is provided with a bending assembly; and one end of the upper mold plate (13) is provided with a printing assembly.

2. The universal hexagon wrench bending and cutting die according to claim 1, characterized in that: The loading assembly comprises a loading plate (7) and a loading hole (20); the loading plate (7) is fixedly mounted on one end of the top surface of the lower template (1) via a mounting plate; the loading hole (20) is opened through the side of the loading plate (7); the loading hole (20) is hexagonal; and a cutting assembly is provided on the side of the loading plate (7).

3. The universal hexagon wrench bending and cutting die according to claim 2, characterized in that: The cutting assembly comprises a slide groove (12), a limiting column (8), a cutting plate (9), a cutting knife (10) and a spring (11); the slide groove (12) is fixedly installed on the side of the loading plate (7); the cutting plate (9) is inserted into the inner wall of the slide groove (12); a limiting groove is penetrated through the upper end of the side of the cutting plate (9); a cutting groove is penetrated through the lower end of the side of the cutting plate (9); and the cutting knife (10) is fixedly installed on the inner wall of the cutting groove; a limiting column (8) is fixedly installed on the side of the loading plate (7), and the limiting column (8) passes through the limiting groove of the cutting plate (9); three springs (11) are fixedly installed on the top surface of the base of the loading plate (7), and the top ends of the springs (11) are fixedly connected to the bottom surface of the cutting plate (9).

4. A universal hexagon wrench bending and cutting die according to claim 1 or 3, characterized in that: A pressing plate (18) is fixedly mounted on one end of the top surface of the upper template (13), and the pressing plate (18) is located directly above the cutting plate (9).

5. The universal hexagon wrench bending and cutting die according to claim 1, characterized in that: The limiting assembly comprises a limiting block (5) and a limiting seat (4); the limiting seat (4) is fixedly mounted on the middle end of the top surface of the lower template (1); the limiting block (5) is fixedly mounted on the top surface of the limiting seat (4); and a hexagonal limiting hole is formed through the side surface of the limiting block (5).

6. The universal hexagon wrench bending and cutting die according to claim 1, characterized in that: The guide assembly comprises a mounting block (2) and a guide bevel block (3); the mounting block (2) is fixedly mounted on the top surface of the lower template (1); a groove body is provided on the top surface of the mounting block (2), and the guide bevel block (3) is fixedly mounted on the inner wall of the groove body.

7. The universal hexagon wrench bending and cutting die according to claim 1, characterized in that: The bending assembly comprises a second slide groove (15), a bending block (16) and a roller (17); the second slide groove (15) is fixedly installed at one end of the top surface of the upper template (13); the inner wall of the second slide groove (15) is movably connected with a slider, and the bottom surface of the slider is fixedly installed with the bending block (16); one end of the slider of the second slide groove (15) is fixedly connected with a return spring, and the other end of the return spring is fixedly connected to the inner wall of the second slide groove (15); the bottom surface of the bending block (16) is provided with a connecting groove, and both ends of the inner wall of the connecting groove are provided with connecting holes; the front and back sides of the roller (17) are fixedly connected with connecting shafts, and are movably connected to the connecting holes of the connecting groove of the bending block (16) through the connecting shafts.

8. The universal hexagon wrench bending and cutting die according to claim 1, characterized in that: The printing assembly comprises a printing block (19) and a mounting groove (21); the mounting groove (21) is fixedly mounted on the bottom surface of the upper template (13); and the printing block (19) is fixedly mounted on the inner wall of the mounting groove (21).

9. A universal hexagon wrench bending and cutting die according to claim 1 or 8, characterized in that: The support assembly comprises a second mounting groove (22) and a support block (6); the second mounting groove (22) is fixedly mounted on the top surface of the lower template (1); the support block (6) is fixedly mounted on the inner wall of the second mounting groove (22); and the support block (6) is located directly below the printing block (19).

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