Double-station centering jig

By designing a dual-station centering fixture that includes a double-workstation design, the problem of low efficiency in workpiece clamping, correction, and datum setting during mass production was solved. This achieved the automation of the workpiece centering fixture, improved production efficiency and equipment automation, and reduced production costs.

CN223671043UActive Publication Date: 2025-12-16KUNI-STARS MECHATRONICS HANGZHOU CO LTD
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Patent Information

Application Number
CN202520068325.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-16
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Mass production of workpieces or parts is inefficient in clamping, calibrating, and setting references, resulting in low machine uptime, repetitive and useless work by workers, and high costs.

Method used

A dual-station centering fixture was designed, comprising a clamping plate, a base plate, a clamping mechanism, and a clamping drive mechanism. By synchronously driving the two clamping mechanisms, the workpiece is automatically centered and clamped, reducing manual intervention and improving efficiency and accuracy.

Benefits of technology

It achieves automatic centering and clamping of workpieces, reduces repetitive and useless work, improves processing efficiency and positioning accuracy, reduces the workload of operators, and increases machine uptime and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a double station centering jig relates to centering jig technical field, including clamping plate, base plate, clamping mechanism and clamping drive mechanism, be equipped with two sets of clamping station and a plurality of guide groove on the clamping plate, the base plate is used for being connected with the workbench, each set of clamping station is equipped with clamping mechanism, and the clamping drive mechanism is equipped with a plurality of guide groove. The clamping mechanism comprises at least four sets of clamping sliding blocks, the four sets of clamping sliding blocks are evenly distributed on the periphery of the clamping station, the clamping sliding blocks are all connected with the guide grooves, the clamping driving mechanism is used for driving the clamping sliding blocks to synchronously move, the synchronous approaching action and the synchronous departing action are included, the clamping sliding blocks correspondingly clamp and loosen a workpiece, clamping and centering of the workpiece can be achieved, and the clamping efficiency is improved. Manual centering of workers is not needed, repeated useless work is reduced, and efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to centering fixture technical field, especially is double position centering fixture. BACKGROUND

[0002] The workpiece or part of batch production is single clamping, correction, single setting reference processing, and the clamping, correction and setting work before processing are repeated when processing multiple workpieces or parts, standby time is wasted, machine utilization rate is low, staff repeats useless operation, work load is increased, work efficiency is low, and product cost is increased, which is not conducive to the improvement of product market competitiveness. SUMMARY

[0003] The utility model discloses a double position centering fixture, solve the workpiece clamping, correction efficiency low, the problem of big work load of present stage.

[0004] To solve the above problems, the utility model provides a double position centering fixture, including clamping plate, bottom plate, clamping mechanism and clamping drive mechanism, be provided with two sets of clamping station and a plurality of guide grooves on the clamping plate, the bottom plate is used for with workstation connection, each set of clamping station place is provided with clamping mechanism, the clamping mechanism includes at least four sets of clamping sliding block, four sets of clamping sliding block evenly distribute in the four around clamping station, the clamping sliding block all are connected with guide groove, the clamping drive mechanism is used for driving clamping sliding block synchronous movement, including synchronous approach and synchronous away action, correspond to clamping and loosen workpiece respectively, can realize the clamping centering of workpiece, need not manual centering of staff, reduce the repeated useless work, improve efficiency and positioning accuracy.

[0005] According to an embodiment of the utility model, the clamping sliding block is detachably installed with a jaw, and the jaw is used for clamping the workpiece. The jaw can be replaced when it is worn out or clamps different workpieces.

[0006] According to an embodiment of the utility model, the clamping drive mechanism simultaneously drives two sets of clamping mechanisms to act, and the two stations synchronously act.

[0007] According to an embodiment of the utility model, the clamping drive mechanism is provided with two sets, and drives two sets of clamping mechanisms respectively. The two stations can work respectively.

[0008] According to an embodiment of the utility model, the four sets of clamping sliding blocks include clamping sliding block one, clamping sliding block two, clamping sliding block three and clamping sliding block four respectively. The clamping drive mechanism includes a locking sliding block and a plurality of connecting rods. The clamping sliding block one and the clamping sliding block three are connected with the clamping sliding block two through the connecting rod. The clamping sliding block four is connected with the locking sliding block through the connecting rod. The clamping sliding block two is provided with an inclined groove. The locking sliding block is provided with an inclined sliding part matched with the inclined groove.

[0009] According to an embodiment of the utility model, the locking sliding block is arranged between the two sets of clamping mechanisms, and the locking sliding block synchronously drives the clamping sliding blocks in the two sets of clamping mechanisms.

[0010] According to an embodiment of the utility model, the locking sliding block is connected with the automatic driving assembly or the manual driving assembly.

[0011] According to an embodiment of the utility model, the locking sliding block is connected with the screw rod.

[0012] According to an embodiment of the utility model, the locking sliding block is connected with the guide groove.

[0013] The utility model discloses the beneficial effect is, through clamping mechanism and clamping drive mechanism, the locking sliding block in it can synchronously drive several clamping sliding blocks synchronous movement, keep the center of clamping workpiece unchanged, need not manual adjustment centering of staff, simple operation, convenient to use, reduce invalid repeated work, improve work efficiency, reduce the workload of operator, and set up two stations, can simultaneously clamp two workpieces, further improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated below in connection with the drawings and examples.

[0015] Figure 1 It is whole structural schematic diagram for double station centering fixture;

[0016] Figure 2 It is structural schematic diagram for bottom plate;

[0017] Figure 3 It is structural schematic diagram for clamping plate;

[0018] Figure 4 It is structural schematic diagram for clamping drive mechanism drive clamping sliding block;

[0019] Figure 5 It is plan view for double station centering fixture. DETAILED DESCRIPTION

[0020] The following description is only used for disclosing the utility model to enable the person skilled in the art to implement the utility model. The examples in the following description are only as examples, and the person skilled in the art can think of other obvious modifications. The basic principles of the utility model defined in the following description can be applied to other implementation, modification, improvement, equivalent and other schemes without departing from the spirit and scope of the utility model.

[0021] Double station centering fixture, such as Figure 1 , including clamping plate 1, bottom plate 2, clamping mechanism 4 and clamping drive mechanism.

[0022] The bottom plate 2 is used for supporting the whole jig, and bolt holes are arranged thereon, so that the jig can be fixed on a workbench. The clamping driving mechanism and part of the clamping mechanism 4 are arranged between the bottom plate 2 and the clamping plate 1, thereby achieving a protection effect.

[0023] As Figure 1 , Figure 3 , the clamping plate 1 is provided with two sets of clamping stations 11 and a plurality of guide grooves 12. Each clamping station 11 is provided with a clamping mechanism 4. The clamping mechanism 4 includes at least four sets of clamping sliding blocks. A jaw 46 is detachably arranged on each clamping sliding block. The jaw 46 is used for clamping the workpiece 3. The jaw 46 can be replaced when it is worn or clamps different workpieces.

[0024] The four sets of clamping sliding blocks are evenly distributed around the clamping station 11. The clamping sliding blocks are connected with the guide grooves 12. The clamping driving mechanism is used for driving the clamping sliding blocks to move synchronously, including synchronous approaching and synchronous moving away actions, which correspond to clamping and loosening the workpiece respectively. The clamping driving mechanism can realize clamping and centering of the workpiece without manual centering by the staff, thereby reducing repeated useless work and improving efficiency.

[0025] In the embodiment, the clamping driving mechanism simultaneously drives two sets of clamping mechanisms 4 to act, and the two stations move synchronously.

[0026] Specifically, as Figure 4 , Figure 5 , the four sets of clamping sliding blocks include clamping sliding block one 41, clamping sliding block two 42, clamping sliding block three 43 and clamping sliding block four 44. The clamping driving mechanism includes a locking sliding block 5 and a plurality of connecting rods 7. The locking sliding block 5 is connected with the guide groove 12. The clamping sliding block one 41 and the clamping sliding block three 43 are connected with the clamping sliding block two 42 through the connecting rod 7. The clamping sliding block four 44 is connected with the locking sliding block 5 through the connecting rod 7. The connecting rods 7 are all connected through rotating pins. The clamping sliding block two 42 is provided with a beveled groove 45. The locking sliding block 5 is provided with a beveled sliding part 51 which is inserted and matched with the beveled groove 45. The beveled sliding parts 51 are symmetrically arranged on both sides of the locking sliding block 5. The locking sliding block 5 is arranged between the two sets of clamping mechanisms 4. The locking sliding block 5 synchronously drives the clamping sliding blocks in the two sets of clamping mechanisms 4.

[0027] When the workpiece 3 is centered, the locking sliding block 5 acts. The clamping sliding block four 44 moves towards the workpiece 3 through the connecting rod 7. The clamping sliding block two 42 is pulled towards the workpiece 3 through the beveled sliding part 51. The clamping sliding block two 42 pulls the clamping sliding block one 41 and the clamping sliding block three 43 towards the workpiece 3 through the connecting rod 7.

[0028] In other embodiments, two groups of locking sliders 5 are arranged to control two groups of clamping mechanisms 4 respectively, and the automatic driving assembly can be an electric push rod or an electric sliding rail, etc. In the present embodiment, the locking sliders 5 are connected with the screw rods 6, the screw rods 6 can be manually rotated or connected with motors, and the rotation of the screw rods 6 controls the sliding of the locking sliders 5. When the locking sliders 5 act, the four clamping sliders move synchronously, so that the center of the clamped workpiece 3 remains unchanged.

[0029] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been demonstrated and explained in the embodiments, and the implementation of the utility model can be any deformation and modification without departing from the principle.

Claims

1. A double station centering fixture characterized by: The device comprises a clamping plate (1), a bottom plate (2), a clamping mechanism (4) and a clamping driving mechanism, two sets of clamping stations (11) and a plurality of guide grooves (12) are arranged on the clamping plate (1), the bottom plate (2) is used for being connected with a workbench, the clamping mechanism (4) is arranged at each clamping station (11), the clamping mechanism (4) comprises at least four sets of clamping sliders, the four sets of clamping sliders are uniformly distributed around the clamping station (11), the clamping sliders are connected with the guide grooves (12), and the clamping driving mechanism is used for driving the clamping sliders to move synchronously, so that the workpiece is clamped and centered.

2. The dual station centering fixture of claim 1, wherein: A jaw (46) is detachably arranged on the clamping slider.

3. The dual station centering fixture of claim 1 or 2, wherein: The clamping driving mechanism drives two sets of clamping mechanisms (4) to move simultaneously.

4. The dual station centering fixture of claim 1 or 2, wherein: The clamping driving mechanism comprises two sets of clamping mechanisms (4) and drives the two sets of clamping mechanisms (4) respectively.

5. The dual station centering fixture of claim 1 or 2, wherein: The four sets of clamping sliders comprise clamping slider one (41), clamping slider two (42), clamping slider three (43) and clamping slider four (44), the clamping driving mechanism comprises a locking slider (5) and a plurality of connecting rods (7), the clamping slider one (41) and the clamping slider three (43) are connected with the clamping slider two (42) through the connecting rod (7), the clamping slider four (44) is connected with the locking slider (5) through the connecting rod (7), the clamping slider two (42) is provided with a bevel groove (45), and the locking slider (5) is provided with a bevel sliding part (51) matched with the bevel groove (45).

6. The dual station centering fixture of claim 5, wherein: The locking slider (5) is arranged between the two sets of clamping mechanisms (4), and the locking slider (5) synchronously drives the clamping sliders in the two sets of clamping mechanisms (4).

7. The dual station centering fixture of claim 6, wherein: The locking slider (5) is connected with an automatic driving assembly or a manual driving assembly.

8. The dual station centering fixture of claim 6, wherein: The locking slider (5) is connected with a screw rod (6).

9. The dual station centering fixture of claim 8, wherein: The locking slider (5) is connected with the guide groove (12). The locking slider (5) is connected with the guide groove (12).