Positioning device for hardware mechanical part machining

Abstract

The utility model discloses a positioning device for machining hardware mechanical parts, which relates to the technical field of part machining and comprises a machining table, a machining equipment frame arranged on the machining table and adjustable positioning clamps symmetrically arranged below a machining mechanism. The positioning clamp comprises an adjusting seat and a clamping seat arranged on the adjusting seat; one side, opposite to the adjusting seat, of the clamping seat is a plane or a curved surface; a dovetail strip and a rectangular strip are sequentially arranged on the side, facing the adjusting seat, of the clamping seat from top to bottom, a dovetail groove and a rectangular groove matched with the dovetail strip and the rectangular strip are formed in the side, facing the clamping seat, of the adjusting seat, and the dovetail strip and the rectangular strip are located in the dovetail groove and the rectangular groove respectively. Through holes are formed in the tops of the adjusting seat and the rectangular strip, and limiting rods are arranged in the through holes; the clamping base can be rotated according to the appearance of a part, the positioning clamp is convenient to disassemble, assemble and replace, parts of different sizes can be fixed, the application range is widened, and the practicability of the positioning tool is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, in particular to a positioning device for processing hardware mechanical parts. Background Art

[0002] A positioning device is a device used to determine the required position of a workpiece or a processing tool. When processing a workpiece to be processed, it is often necessary to first use a positioning device to position the workpiece before performing the corresponding processing steps.

[0003] At present, the fixtures of most positioning devices cannot be replaced. The shapes of parts are different during processing, so the fixtures cannot firmly clamp some parts, which can easily cause the parts to loosen during processing. When replacing, they need to be manually disassembled and installed, which is very slow, greatly reducing work efficiency.

[0004] At the same time, the current adjustable range of the clamp is very small, resulting in a small number of parts that are suitable for it. Utility Model Content

[0005] The utility model aims to provide a positioning device for processing hardware mechanical parts, which can rotate the clamping seat according to the shape of the parts, and the positioning fixture is easy to disassemble and replace, and can fix parts of different sizes, thereby expanding the scope of application and improving the practicality of the positioning tooling.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for processing hardware mechanical parts, comprising a processing table, a processing equipment frame arranged on the processing table, and an adjustable positioning fixture symmetrically arranged below the processing mechanism; the positioning fixture comprises an adjusting seat and a clamping seat arranged on the adjusting seat; a rubber pad is arranged on the side of the clamping seat facing away from the adjusting seat; a dovetail bar and a rectangular bar are arranged in sequence from top to bottom on the side of the clamping seat facing the adjusting seat, a dovetail groove and a rectangular groove matched with the dovetail bar and the rectangular bar are opened on the side of the adjusting seat facing the clamping seat, and the dovetail bar and the rectangular bar are respectively located in the dovetail groove and the rectangular groove; through holes are opened on the tops of the adjusting seat and the rectangular bar, and a limiting rod is arranged in the through hole.

[0007] In order to select a suitable clamping seat according to the positioning parts, as a preferred positioning device for hardware and mechanical parts processing of the utility model, the side of the clamping seat facing away from the adjustment seat is a flat surface or a curved surface.

[0008] In order to facilitate the adjustment of the positioning fixture, as a preferred positioning device for processing hardware and mechanical parts of the utility model, a slide seat is provided at the bottom of the adjustment seat, and a first slide groove compatible with the slide seat is penetrated at the top of the processing table; the first slide groove is penetrated at the lower end of the slide seat; a group of connecting seats and mounting frames are provided at the bottom of the processing table; the mounting frame is a frame structure, and a driving wheel and a group of driven wheels meshing with the driving wheel are provided inside the mounting frame; a group of screw rods are provided on opposite sides of the connecting seats, one end of the screw rod is threaded through the sliding seat and the mounting frame and is arranged on the driven wheel, and a shaft rod with a handle at one end is provided on one side of the mounting frame, and one end of the shaft rod penetrates the mounting frame and is arranged on the driving wheel.

[0009] In order to enhance the stability of the movement of the positioning fixture, as a preferred positioning device for hardware and mechanical parts processing of the utility model, a group of sliding rods are arranged between a group of the connecting seats, and a group of the sliding rods are located on both sides of the mounting frame; limit seats fixedly connected to the bottom of the adjustment seat are arranged on both sides of the sliding seat, a second sliding groove is opened through the top of the processing table, and the bottom of the limit seat passes through the second sliding groove and is arranged on the sliding rod.

[0010] In order to install the processing equipment above the positioning fixture, as a preferred positioning device for hardware machinery parts processing of the utility model, the processing equipment frame includes a top plate, a lifting device, and a driving device; the lifting device is arranged on the processing table, the output end of the lifting device is fixedly connected to the bottom of the top plate, and the driving device is arranged at the bottom of the top plate.

[0011] In order to process parts, as a preferred positioning device for hardware and mechanical parts processing of the utility model, the lifting device is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod; the driving device is a drilling motor or a grinding motor.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can select a curved clamping seat or a flat clamping seat according to the shape of the part. The dovetail bar and the rectangular bar on one side of the clamping seat are slidably installed in the dovetail groove and the rectangular groove respectively, and the limit rod is inserted into the through hole to limit the positioning of the rectangular bar, thereby preventing the clamping seat from moving. The positioning fixture is easy to disassemble and replace, and the positioning stability of the part is ensured;

[0014] 2. The utility model rotates the handle at one end of the shaft, the driving wheel meshes with a group of driven wheels, and the screw rotates, so that the slide seat can move in the first slide groove, and the positioning fixtures on both sides are synchronously driven to approach the two sides of the part, so as to realize the function of clamping and positioning the part; and parts of different sizes can be fixed, which expands the scope of application and improves the practicality of the positioning tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 AA structural diagram;

[0017] Figure 3 It is a schematic diagram of the top view of the processing table of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the mounting frame of the utility model when viewed from above.

[0019] In the figure: 1. processing table; 2. positioning fixture; 3. adjustment seat; 4. clamping seat; 5. dovetail strip; 6. rectangular strip; 7. dovetail groove; 8. rectangular groove; 9. through hole; 10. limit rod; 11. rubber pad; 12. slide seat; 13. first slide groove; 14. connecting seat; 15. mounting frame; 16. driving wheel; 17. driven wheel; 18. screw rod; 19. shaft rod; 20. slide rod; 21. limit seat; 22. second slide groove; 23. top plate; 24. lifting device; 25. driving equipment. DETAILED DESCRIPTION

[0020] See also Figures 1 to 4 A positioning device for processing hardware mechanical parts, comprising a processing table 1, a processing equipment frame arranged on the processing table 1, and an adjustable positioning fixture 2 symmetrically arranged below the processing mechanism; the positioning fixture 2 comprises an adjusting seat 3 and a clamping seat 4 arranged on the adjusting seat 3; a rubber pad 11 is arranged on the side of the clamping seat 4 facing away from the adjusting seat 3; a dovetail bar 5 and a rectangular bar 6 are arranged on the side of the clamping seat 4 facing the adjusting seat 3 from top to bottom, and a dovetail groove 7 and a rectangular groove 8 matching the dovetail bar 5 and the rectangular bar 6 are opened on the side of the adjusting seat 3 facing the clamping seat 4, and the dovetail bar 5 and the rectangular bar 6 are respectively located in the dovetail groove 7 and the rectangular groove 8; a through hole 9 is opened on the top of the adjusting seat 3 and the rectangular bar 6, and a limit rod 10 is arranged in the through hole 9; the side of the clamping seat 4 facing away from the adjusting seat 3 is a plane or a curved surface.

[0021] In this embodiment: the side of the clamping seat 4 facing away from the adjusting seat 3 can be set as a plane or a curved surface; the flat clamping seat 4 can clamp and fix non-curved parts, and has good clamping stability; the curved clamping seat 4 can clamp curved parts, and has good clamping stability, avoiding displacement of parts when using flat clamping and positioning processing; the dovetail bar 5 and the rectangular bar 6 on one side of the clamping seat 4 are slidably installed in the dovetail groove 7 and the rectangular groove 8 respectively, so that the clamping seat 4 and the adjusting seat 3 can realize the function of detachable assembly and disassembly, and can be adjusted according to the appearance of the parts. The shape of the clamping seat 4 can be selected as a curved surface or a flat surface; after the dovetail bar 5 and the rectangular bar 6 are slidably installed in the dovetail groove 7 and the rectangular groove 8, the limit rod 10 is inserted into the through hole 9 to limit the positioning of the rectangular bar 6, thereby preventing the clamping seat 4 from moving, improving the installation stability of the clamping seat 4 and the adjustment seat 3, and the positioning fixture 2 is easy to disassemble and replace; the rubber pad 11 on one side of the clamping seat 4 has elastic properties, which not only protects the processed parts and avoids pinching the parts, but also strengthens the stability of the parts clamping.

[0022] As a technical optimization scheme of the utility model, a slide seat 12 is arranged at the bottom of the adjustment seat 3, and a first slide groove 13 adapted to the slide seat 12 is opened through the top of the processing table 1; the lower end of the slide seat 12 passes through the first slide groove 13; a group of connecting seats 14 and a mounting frame 15 are arranged at the bottom of the processing table 1; the mounting frame 15 is a frame structure, and a driving wheel 16 and a group of driven wheels 17 meshing and connected with the driving wheel 16 are arranged inside the mounting frame 15; a group of connecting seats 14 are arranged on opposite sides, one end of the screw rod 18 is threaded through the slide seat 12 and the mounting frame 15 and is arranged on the driven wheel 17, and a shaft rod 19 with a handle at one end is arranged on one side of the mounting frame 15, and one end of the shaft rod 19 passes through the mounting frame 15 and is arranged on the driving wheel 16;

[0023] A group of slide rods 20 are arranged between a group of connecting seats 14, and a group of slide rods 20 are located on both sides of the mounting frame 15; limit seats 21 fixedly connected to the bottom of the adjustment seat 3 are arranged on both sides of the slide seat 12, and a second slide groove 22 is opened through the top of the processing table 1, and the bottom of the limit seat 21 passes through the second slide groove 22 and is arranged on the slide rod 20.

[0024] In this embodiment: by rotating the handle at one end of the shaft 19, the driving wheel 16 meshes and rotates with a group of driven wheels 17. When the driven wheel 17 rotates, the screw rod 18 is driven to rotate. The screw rod 18 is threadedly connected to the slide seat 12, so that the slide seat 12 can realize the function of moving in the first slide groove 13. When the slide seat 12 moves, the positioning fixture 2 is synchronously driven to move, and the positioning fixtures 2 on both sides are synchronously approached to the two sides of the part, so as to realize the function of clamping and positioning for positioning; the limit seat 21 below the adjustment seat 3 passes through the second slide groove 22 and is slidably connected with the outer wall of the slide rod 20. When the positioning fixture 2 moves, the limit seat 21 moves synchronously in the second slide groove 22, and the position of the screw rod 18 is higher than the slide rods 20 on both sides. The screw rod 18 and the slide rods 20 on both sides form a triangle, which can enhance the stability of the movement of the positioning fixture 2; the driving wheel 16 and the driven wheel 17 of the utility model are bevel gears.

[0025] As a technical optimization solution of the utility model, the processing equipment frame includes a top plate 23, a lifting device 24, and a driving device 25; the lifting device 24 is arranged on the processing table 1, the output end of the lifting device 24 is fixedly connected to the bottom of the top plate 23, and the driving device 25 is arranged at the bottom of the top plate 23;

[0026] The lifting device 24 is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod; the driving device 25 is a drilling motor or a grinding motor.

[0027] In this embodiment: the processing equipment can be a drilling motor or a grinding motor; the lifting device 24 can adopt an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod; starting the lifting device 24 can adjust the height of the driving device 25; starting the driving device 25 can drill or grind the parts.

[0028] Working principle: First, select a curved clamping seat 4 or a flat clamping seat 4 according to the shape of the part. After selection, slide the dovetail bar 5 and the rectangular bar 6 on one side of the clamping seat 4 into the dovetail groove 7 and the rectangular groove 8 respectively, and insert the limit rod 10 into the through hole 9 to limit the positioning of the rectangular bar 6 and prevent the clamping seat 4 from moving; then place the part between the two positioning fixtures 2 on the processing table 1; rotate the handle at one end of the shaft 19, the driving wheel 16 engages with a group of driven wheels 17, and the screw 18 rotates, so that the slide 12 can realize the movement function in the first slide groove 13, and simultaneously drive the positioning fixtures 2 on both sides to approach the two sides of the part synchronously, so as to realize the function of clamping and positioning the part.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning device for processing hardware mechanical parts, comprising a processing table (1), a processing equipment frame arranged on the processing table (1), and an adjustable positioning fixture (2) symmetrically arranged below the processing mechanism; characterized in that: The positioning fixture (2) comprises an adjustment seat (3) and a clamping seat (4) arranged on the adjustment seat (3); a rubber pad (11) is arranged on the side of the clamping seat (4) facing away from the adjustment seat (3); a dovetail strip (5) and a rectangular strip (6) are arranged in sequence from top to bottom on the side of the clamping seat (4) facing the adjustment seat (3); a dovetail groove (7) and a rectangular groove (8) adapted to the dovetail strip (5) and the rectangular strip (6) are provided on the side of the adjustment seat (3) facing the clamping seat (4); the dovetail strip (5) and the rectangular strip (6) are respectively located in the dovetail groove (7) and the rectangular groove (8); a through hole (9) is provided on the top of the adjustment seat (3) and the rectangular strip (6), and a limit rod (10) is provided in the through hole (9).

2. A positioning device for hardware and mechanical parts processing according to claim 1, characterized in that: The side of the clamping seat (4) facing away from the adjustment seat (3) is a flat surface or a curved surface.

3. A positioning device for processing hardware and mechanical parts according to claim 1, characterized in that: A slide seat (12) is arranged at the bottom of the adjustment seat (3), and a first slide groove (13) adapted to the slide seat (12) is penetrated and opened at the top of the processing table (1); the lower end of the slide seat (12) penetrates the first slide groove (13); a group of connecting seats (14) and a mounting frame (15) are arranged at the bottom of the processing table (1); the mounting frame (15) is in a frame structure, and a driving wheel (16) and a group of driven wheels (17) meshed and connected with the driving wheel (16) are arranged inside the mounting frame (15); a screw rod (18) is arranged on opposite sides of a group of connecting seats (14), one end of the screw rod (18) is threadedly penetrated through the slide seat (12) and the mounting frame (15) and is arranged on the driven wheel (17), and a shaft rod (19) with a handle at one end is arranged on one side of the mounting frame (15), and one end of the shaft rod (19) penetrates the mounting frame (15) and is arranged on the driving wheel (16).

4. A positioning device for processing hardware and mechanical parts according to claim 3, characterized in that: A group of slide bars (20) is arranged between a group of the connecting seats (14), and a group of the slide bars (20) is located on both sides of the mounting frame (15); a limit seat (21) fixedly connected to the bottom of the adjustment seat (3) is arranged on both sides of the slide seat (12); a second slide groove (22) is penetrated through the top of the processing table (1), and the bottom of the limit seat (21) penetrates the second slide groove (22) and is arranged on the slide bar (20).

5. The positioning device for hardware and mechanical parts processing according to claim 1 is characterized in that: The processing equipment frame comprises a top plate (23), a lifting device (24), and a driving device (25); the lifting device (24) is arranged on the processing table (1), the output end of the lifting device (24) is fixedly connected to the bottom of the top plate (23), and the driving device (25) is arranged at the bottom of the top plate (23).

6. A positioning device for processing hardware and mechanical parts according to claim 5, characterized in that: The lifting device (24) is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod; the driving device (25) is a drilling motor or a grinding motor.

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