Positioning device for machining of metal fittings

By designing components such as slide bars, top plates, and springs, and combining them with support rods, guide frames, and limit sleeves to adjust the support points, the problem of unstable clamping of irregularly shaped workpieces by the positioning equipment was solved, thus improving processing accuracy and stability.

CN224373409UActive Publication Date: 2026-06-19CHANGZHOU AIFAMASI MACHINERY TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU AIFAMASI MACHINERY TECHNOLOGY CO LTD
Filing Date
2025-08-26
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing positioning equipment is unstable when clamping irregularly shaped workpieces, resulting in problems with processing accuracy and stability.

Method used

The design incorporates components such as slide bars, top plates, and springs, allowing the clamping plates to conform to the shape of the workpiece. Support points are adjusted using components such as support rods, guide frames, and limit sleeves to ensure the workpiece remains stable during processing.

Benefits of technology

It achieves stable clamping of irregularly shaped workpieces, improves machining accuracy and stability, and reduces scrap rate.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224373409U_ABST
    Figure CN224373409U_ABST
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Abstract

The utility model belongs to metal fitting processing technical field, concretely relates to a positioning equipment for metal fitting processing, including base, the inside sliding joint of base has the sliding block, the upper end fixed connection of sliding block has the clamping plate, the clamping plate is contacted with base, the inside rotary connection of base has the threaded rod, both ends of threaded rod all are fixedly connected with the knob, the knob is contacted with base, the inside fixed connection of clamping plate has the sleeve, the inside sliding joint of sleeve has the slide rod. The utility model discloses is provided with slide rod, top plate, spring and other components, can make the spring elasticity drive top plate according to the shape of workpiece and its adhere when clamping plate is positioning to special-shaped workpiece, thereby makes the clamping plate keep stable when clamping workpiece, solves the problem that the metal fitting processing needs to be positioned, but the existing positioning equipment is not stable when clamping special-shaped workpiece.
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Description

Technical Field

[0001] This utility model relates to the field of metal parts processing technology, specifically a positioning device for metal parts processing. Background Technology

[0002] Metal parts processing is a core link in manufacturing, encompassing a systematic production process from raw materials to finished products. Strict control over material properties and process parameters is crucial during processing, requiring multi-stage collaboration to achieve high-precision manufacturing. Modern processing workshops commonly employ digital management systems to monitor equipment operating status and energy consumption data in real time, ensuring production stability. With the advancement of intelligent manufacturing, metal parts processing is gradually achieving automatic optimization of process parameters, significantly improving product consistency. Industry competition is driving processing precision towards the micron level, while simultaneously demanding reduced scrap rates to control costs.

[0003] Existing clamping methods have significant limitations for machining irregularly shaped workpieces. Traditional fixtures, based on planar contact design, struggle to adapt to complex curved surfaces, leading to uneven clamping force distribution. Localized stress concentrations at workpiece stress points can easily cause deformation, affecting subsequent machining accuracy. Insufficient contact area between the clamping device and the irregular surface can result in micro-slippage, causing misalignment of the positioning reference. This instability is particularly pronounced in the machining of thin-walled or slender irregularly shaped parts, becoming a key bottleneck restricting machining quality. Utility Model Content

[0004] The purpose of this utility model is to provide a positioning device for metal parts processing, which solves the problem that existing positioning devices are unstable when clamping irregularly shaped workpieces, as positioning is required for metal parts processing.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a positioning device for processing metal parts, comprising a base, a slider slidably connected inside the base, a clamping plate fixedly connected to the upper end of the slider, the clamping plate contacting the base, a threaded rod rotatably connected inside the base, knobs fixedly connected to both ends of the threaded rod, the knobs contacting the base, a sleeve fixedly connected inside the clamping plate, a sliding rod slidably connected inside the sleeve, a top plate fixedly connected to the end of the sliding rod away from the sleeve, a spring provided inside the sleeve, and a support mechanism provided on the base.

[0006] Preferably, the outer side of the threaded rod is provided with positive and negative threads, and the threaded rod is connected to the slider by threads. Through the design of the threaded rod, two sliders can be moved simultaneously.

[0007] Preferably, a retaining ring is fixedly connected to the outer side of the threaded rod, and the retaining ring contacts the inner wall of the base. The retaining ring is designed to limit the movement of the threaded rod.

[0008] Preferably, a limiting ring is fixedly connected inside the sleeve, and the limiting ring is slidably connected to the slide rod. Through the design of the limiting ring, the slide rod can be limited.

[0009] Preferably, one end of the spring contacts the slide rod, and the other end of the spring contacts the sleeve. Through the design of the spring, the top plate can be driven to fit into the workpiece.

[0010] Preferably, the support mechanism includes a support base, a support rod slidably connected inside the support base, a guide frame fixedly connected to the lower end of the support rod, the guide frame contacting the support base, a support base fixedly connected to the lower end of the guide frame, a guide block fixedly connected to the outer side of the support base, the guide block slidably connected to the guide frame, a limit block rotatably connected inside the support base, the limit block movably connected to the support rod, a protrusion fixedly connected to the outer side of the limit block, the protrusion slidably connected to the support base, and a limit sleeve fixedly connected to the lower end of the limit block. Through the design of the support mechanism, the base can be placed stably.

[0011] Preferably, the limiting sleeve contacts the support base, the limiting sleeve contacts the guide frame, and the limiting sleeve is connected to the support rod by a thread. Through the design of the limiting sleeve, the support point of the base can be adjusted.

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

[0013] 1. This utility model, by setting up components such as a sliding rod, a top plate, and a spring, can make the spring force drive the top plate to fit the shape of the workpiece when the clamping plate is positioning the irregular workpiece, so that the clamping plate keeps the workpiece stable when clamping it. This solves the problem that the existing positioning equipment is unstable when clamping irregular workpieces, which is required for the processing of metal parts.

[0014] 2. This utility model, by providing components such as a support rod, a guide frame, and a limiting sleeve, allows the support point of the base to be adjusted by rotating the limiting sleeve, causing the limiting sleeve and the support rod to move in a threaded motion, thereby enabling the support rod to move the guide frame and thus keeping the workpiece stable during processing. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 A three-dimensional view of the local structure;

[0017] Figure 3 For the present utility model Figure 1 A partial structural front sectional view;

[0018] Figure 4 For the present utility model Figure 3 Enlarged view of part A of the structure.

[0019] In the diagram: 1. Base; 2. Slider; 21. Clamping plate; 22. Threaded rod; 23. Retaining ring; 24. Knob; 3. Sleeve; 31. Slide rod; 32. Top plate; 33. Limiting ring; 34. Spring; 4. Support mechanism; 41. Support seat; 42. Support rod; 43. Guide frame; 44. Support base; 45. Guide block; 46. Limiting block; 47. Protrusion; 48. Limiting sleeve. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-4 A positioning device for processing metal parts includes a base 1, a slider 2 slidably connected inside the base 1, a clamping plate 21 fixedly connected to the upper end of the slider 2, the clamping plate 21 contacting the base 1, a threaded rod 22 rotatably connected inside the base 1, the threaded rod 22 having positive and negative threads on its outer side, the threaded rod 22 being threadedly connected to the slider 2, the threaded rod 22 being designed to simultaneously drive two sliders 2 to move, a retaining ring 23 fixedly connected to the outer side of the threaded rod 22, the retaining ring 23 contacting the inner wall of the base 1, the retaining ring 23 being designed to limit the movement of the threaded rod 22.

[0022] Please see Figure 2-4 Both ends of the threaded rod 22 are fixedly connected to knobs 24, which are in contact with the base 1. A sleeve 3 is fixedly connected inside the clamping plate 21. A slide rod 31 is slidably connected inside the sleeve 3. A top plate 32 is fixedly connected to the end of the slide rod 31 away from the sleeve 3. A limit ring 33 is fixedly connected inside the sleeve 3. The limit ring 33 is slidably connected to the slide rod 31. The limit ring 33 can limit the slide rod 31. A spring 34 is set inside the sleeve 3. One end of the spring 34 is in contact with the slide rod 31, and the other end of the spring 34 is in contact with the sleeve 3. The spring 34 can drive the top plate 32 to fit against the workpiece. A support mechanism 4 is set on the base 1.

[0023] Please see Figure 2-4The support mechanism 4 includes a support base 41, a support rod 42 slidably connected inside the support base 41, a guide frame 43 fixedly connected to the lower end of the support rod 42, the guide frame 43 contacting the support base 41, a support base 44 fixedly connected to the lower end of the guide frame 43, a guide block 45 fixedly connected to the outer side of the support base 41, the guide block 45 slidably connected to the guide frame 43, a limit block 46 rotatably connected inside the support base 41, the limit block 46 movably connected to the support rod 42, a protrusion 47 fixedly connected to the outer side of the limit block 46, the protrusion 47 slidably connected to the support base 41, a limit sleeve 48 fixedly connected to the lower end of the limit block 46, the limit sleeve 48 contacting the support base 41, the limit sleeve 48 contacting the guide frame 43, and the limit sleeve 48 and the support rod 42 connected by threads. Through the design of the limit sleeve 48, the support point of the base 1 can be adjusted. Through the design of the support mechanism 4, the base 1 can be placed stably.

[0024] The specific implementation process of this utility model is as follows: When in use, by rotating the limiting sleeve 48, the limiting sleeve 48 and the support rod 42 will undergo threaded movement, thereby causing the support rod 42 to move within the limiting sleeve 48, causing the support rod 42 to drive the guide frame 43 to move, and causing the guide frame 43 to drive the support base 44 to move, thereby adjusting the support point of the base 1, so that the base 1 remains stable when placed.

[0025] By placing the workpiece between the two clamping plates 21 and then rotating the knob 24, the knob 24 drives the threaded rod 22 to rotate, causing the threaded rod 22 to move with the slider 2, thus moving the slider 2 on the threaded rod 22. The slider 2 drives the clamping plate 21 to move, the clamping plate 21 drives the sleeve 3 to move, the sleeve 3 drives the slide rod 31 to move, and the slide rod 31 drives the top plate 32 to move, bringing the top plate 32 into contact with the workpiece. This causes the top plate 32 to push the slide rod 31 against the spring 34, and the elastic force of the spring 34 drives the slide rod 31 to move, causing the slide rod 31 to bring the top plate 32 into contact with the workpiece, thus keeping the workpiece stable during clamping.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning device for machining of metal fittings, comprising a base (1), characterised in that: The base (1) is slidably connected to a slider (2), and a clamp (21) is fixedly connected to the upper end of the slider (2). The clamp (21) contacts the base (1). The base (1) is rotatably connected to a threaded rod (22). Both ends of the threaded rod (22) are fixedly connected to a knob (24). The knob (24) contacts the base (1). The clamp (21) is fixedly connected to a sleeve (3). The sleeve (3) is slidably connected to a slide rod (31). The end of the slide rod (31) away from the sleeve (3) is fixedly connected to a top plate (32). The sleeve (3) is provided with a spring (34). The base (1) is provided with a support mechanism (4).

2. The positioning apparatus for processing a metal fitting according to claim 1, wherein: The threaded rod (22) is provided with positive and negative threads on its outer side, and the threaded rod (22) is connected to the slider (2) by threads.

3. The positioning apparatus for machining of metal fittings according to claim 1, characterized in that: A retaining ring (23) is fixedly connected to the outer side of the threaded rod (22), and the retaining ring (23) contacts the inner wall of the base (1).

4. The positioning apparatus for machining of metal fittings according to claim 1, characterized in that: The sleeve (3) is fixedly connected to a limiting ring (33), and the limiting ring (33) is slidably connected to the slide rod (31).

5. The positioning apparatus for metal fitting machining according to claim 1, characterized in that: One end of the spring (34) is in contact with the slide bar (31), and the other end of the spring (34) is in contact with the sleeve (3).

6. The positioning apparatus for machining of a metal fitting according to claim 1, characterized in that: The support mechanism (4) includes a support base (41), a support rod (42) is slidably connected inside the support base (41), a guide frame (43) is fixedly connected to the lower end of the support rod (42), the guide frame (43) is in contact with the support base (41), a support base (44) is fixedly connected to the lower end of the guide frame (43), a guide block (45) is fixedly connected to the outside of the support base (41), the guide block (45) is slidably connected to the guide frame (43), a limit block (46) is rotatably connected inside the support base (41), the limit block (46) is movably connected to the support rod (42), a protrusion (47) is fixedly connected to the outside of the limit block (46), the protrusion (47) is slidably connected to the support base (41), and a limit sleeve (48) is fixedly connected to the lower end of the limit block (46).

7. A positioning device for metal parts processing according to claim 6, characterized in that: The limiting sleeve (48) contacts the support base (41), the limiting sleeve (48) contacts the guide frame (43), and the limiting sleeve (48) is connected to the support rod (42) by a thread.