Anti-deformation clamping mechanism for thin-wall part machining

By designing an anti-deformation clamping mechanism including a mounting plate, a movable rod and a vacuum suction cup, the problem of thin-walled parts being difficult to fix with traditional clamping mechanisms is solved. Flexible fixation of thin-walled parts and applicability to various shapes are achieved, thereby improving operational efficiency.

CN223353630UActive Publication Date: 2025-09-19CHENGDU XINGTIAN MASCH CO LTD
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Patent Information

Application Number
CN202422782551.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-19
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Traditional clamping mechanisms have difficulty fixing thin-walled parts, and specialized fixtures are not universal, resulting in low practicality.

Method used

An anti-deformation clamping mechanism including a mounting plate, a movable rod, a limit device and a vacuum suction cup is designed. Through the cooperation of the movable rod and the limit device, flexible fixation and positioning of thin-walled parts can be achieved, which is suitable for thin-walled parts of various shapes.

Benefits of technology

It improves the clamping applicability and flexibility of thin-walled parts, avoids the movement of parts after positioning, and makes operation more convenient and quick.

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Abstract

The utility model discloses an anti-deformation clamping mechanism for thin-wall part machining. The anti-deformation clamping mechanism comprises a mounting plate and a plurality of movable rods; a plurality of movable holes are formed in the mounting plate and are communicated up and down; a limiting device is further arranged on one side of the movable hole. The plurality of movable rods are respectively arranged in the plurality of movable holes in a sliding manner, and one end of each movable rod is also provided with a universal joint and a fixer; the fixer is connected with the movable rod through a universal joint; when the movable rod is in contact with the limiting device, the movable rod is fixed; and when the movable rod is separated from the limiting device, the movable rod can move. The problems that a traditional clamping mechanism is difficult to fix the thin-wall part, and a special clamp cannot be used universally, so that the practicability is low are solved.
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Description

Technical Field

[0001] The utility model relates to the field of parts processing, in particular to an anti-deformation clamping mechanism for processing thin-walled parts. Background Art

[0002] In the processing of thin-walled parts, deformation during transportation is an inevitable problem due to the poor rigidity and weak strength of the parts themselves. This deformation not only increases the shape and position errors of the parts, but also seriously affects the processing quality of the parts.

[0003] Traditional clamping mechanisms, such as chucks, can hold workpieces to a certain degree, but they often struggle when thin-walled parts or when extremely precise clamping is required. Furthermore, some parts are held and transported using specialized fixtures. While these fixtures provide good clamping, they are limited to specific parts and lack universal applicability, resulting in limited practicality. Utility Model Content

[0004] The utility model aims to provide an anti-deformation clamping mechanism for processing thin-walled parts, which solves the problem that traditional clamping mechanisms are difficult to fix thin-walled parts and special clamps are not universal, resulting in low practicality.

[0005] The embodiments of the present invention are achieved through the following technical solutions:

[0006] An anti-deformation clamping mechanism for processing thin-walled parts, comprising:

[0007] A mounting plate, wherein a plurality of movable holes are provided on the mounting plate and are connected to each other from top to bottom; a limiting device is also provided on one side of the movable hole;

[0008] A plurality of movable rods are respectively slidably arranged in a plurality of movable holes, and a universal joint and a fixer are provided at one end of the movable rods; the fixer and the movable rods are connected through a universal joint; when the movable rods are in contact with the limiting device, the movable rods are fixed; when the movable rods are separated from the limiting device, the movable rods can move.

[0009] A rack is provided on one side of the movable rod, and a limiting strip is provided on the other side.

[0010] A limiting groove is provided on one side of the movable hole, and the limiting bar is slidably arranged in the limiting groove; a cavity is provided on the other side of the movable hole, and the limiting device is arranged inside the cavity; the rack is a ratchet arranged downward.

[0011] The limiting device includes a movable tooth plate and an elastic member; one side of the movable tooth plate is provided with an upwardly arranged ratchet, and the other side is connected to the side wall of the cavity through an elastic member; the ratchet on the movable tooth plate engages with the rack on the movable rod under the action of the elastic member.

[0012] The limiting device also includes a control ring and a control rod; the mounting plate is also provided with a plurality of through grooves parallel to each other, which are connected in sequence from the side walls of the cavity; the control ring is arranged on one side of the movable tooth plate; the control rod is slidably arranged in the through groove, and passes through the through groove on the side wall of the cavity and the control ring in sequence.

[0013] A limiting ring and a pull rod are further provided on one side of the mounting plate; the pull rod passes through and is slidably arranged in the limiting ring; a plurality of control grooves are provided on the pull rod; one end of the control rod passes through the control groove.

[0014] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0015] The utility model discloses an anti-deformation clamping mechanism for processing thin-walled parts. First, the bottom of a plurality of movable rods that can move up and down contacts the surface of the thin-walled part to preliminarily position the shape of the part. Then, the part is placed on the top of the movable rod and fixed by a fixer. This method can be fixed according to the shape of the part, making the practicality of the device high and applicable to thin-walled parts of various shapes. The fixer is also connected to the movable rod by a universal joint and can be flexibly adjusted according to the specific shape and size of the thin-walled part, thereby improving the applicability and flexibility of the clamping mechanism. The movement of the movable rod is also restricted by a limiting device inside the mounting plate, so that when it preliminarily positions the shape of the part, the movable rod is prevented from moving after positioning, which is more convenient and quicker during specific operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is attached Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is an implementation diagram of the utility model Figure 1 ;

[0019] Figure 4 This is an implementation diagram of the utility model Figure 2 .

[0020] In the figure, 1-mounting plate, 101-movable hole, 102-cavity, 103-movable tooth plate, 104-spring, 105-control ring, 106-control rod, 2-movable rod, 201-limiting bar, 202-rack, 203-universal joint, 204-suction cup, 301-pull bar, 302-control groove, 303-telescopic device, 304-limiting ring, 4-parts. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0023] like Figure 1 and 2 As shown, an anti-deformation clamping mechanism for processing thin-walled parts 4 includes a mounting plate 1 and a plurality of movable rods 2; the mounting plate 1 is provided with a plurality of movable holes 101, which are connected to each other from top to bottom; the movable holes 101 are arranged in an array on the mounting plate 1; the plurality of movable rods 2 are slidably disposed in the plurality of movable holes 101, the bottom ends of the movable rods 2 are used for preliminary positioning of the thin-walled parts 4, and the top ends of the movable rods 2 are used for fixing the thin-walled parts 4;

[0024] A rack 202 is provided on one side of the movable rod 2, and a limit bar 201 is provided on the other side thereof; the rack 202 is a ratchet arranged downward; a limit groove is provided on one side of the movable hole 101, and the limit bar 201 is slidably arranged in the limit groove to limit the movable rod 2 from sliding along the limit groove; a cavity 102 is provided on the other side of the movable hole 101, and the cavity 102 is located inside the mounting plate 1, and the rack 202 is arranged toward the cavity 102; a limit device is provided inside the cavity 102 to constrain the up and down movement of the limit bar 201; a universal joint 203 and a fixer are also provided at the top of the movable rod 2; the fixer and the movable rod 2 are connected via the universal joint 203;

[0025] Specifically, the fixture is preferably a vacuum suction cup 204, which is used to suck and fix the thin-walled part 4 from the bottom thereof;

[0026] More specifically, the limiting device includes a movable tooth plate 103 and an elastic member, preferably a spring 104; one side of the movable tooth plate 103 is provided with an upwardly disposed ratchet, and the other side thereof is connected to the side wall of the cavity 102 via the spring 104; the ratchet on the movable tooth plate 103 is engaged with the rack 202 on the movable rod 2 under the action of the spring 104;

[0027] The limiting device also includes a control ring 105 and a control rod 106; the mounting plate 1 is further provided with a plurality of through grooves parallel to each other, which are sequentially connected from the side wall of the cavity 102; the control ring 105 is provided on one side of the movable tooth plate 103; the control rod 106 is slidably provided in the through groove, sequentially passes through the through groove of the side wall of the cavity 102 and the control ring 105, and passes out from one side of the mounting plate 1. By controlling the movement of the protruding end of the control rod 106, the control ring 105 can be controlled to move, so that the movable tooth plate 103 is engaged with or separated from the rack 202; a certain space is left in the control ring 105, so that the movable tooth plate 103 has a certain movement distance under the action of the spring 104;

[0028] A limiting ring 304 and a pull rod 301 are further provided on one side of the mounting plate 1; the pull rod 301 passes through and slides in the limiting ring 304; a plurality of control slots 302 are provided on the pull rod 301; one end of the control rod 106 extends through the control slot 302, and the movement of all the control rods 106 can be controlled by moving the pull rod 301;

[0029] More specifically, a telescopic device 303 may be provided at one end of the pull rod 301 for controlling the movement of the pull rod 301 ; the telescopic device 303 is preferably an electric push rod.

[0030] The working principle of this embodiment is:

[0031] The utility model is a thin-walled parts 4 processing anti-deformation clamping mechanism, such as Figure 3 As shown, first place the thin-walled part 4 at the bottom of the device so that the bottoms of the movable rods 2 are in contact with the surface of the thin-walled part 4, and preliminarily position the shape of the part 4. Then move the pull rod 301 so that the movable tooth plate 103 is engaged with the rack 202 to prevent the movable rod 2 from falling. Then, Figure 4 As shown, the thin-walled part 4 is placed on the top of the movable rod 2. Due to the action of the universal joint 203, the top of the vacuum suction cup 204 fits with the bottom of the thin-walled part 4, and finally the part 4 is fixed by the vacuum suction cup 204.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent replacements, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An anti-deformation clamping mechanism for processing thin-walled parts, characterized in that: include: A mounting plate, wherein a plurality of movable holes are provided on the mounting plate and are connected to each other from top to bottom; a limiting device is also provided on one side of the movable hole; A plurality of movable rods are respectively slidably arranged in a plurality of movable holes, and a universal joint and a fixer are provided at one end of the movable rods; the fixer and the movable rods are connected through a universal joint; when the movable rods are in contact with the limiting device, the movable rods are fixed; when the movable rods are separated from the limiting device, the movable rods can move.

2. The anti-deformation clamping mechanism for processing thin-walled parts according to claim 1, characterized in that: A rack is provided on one side of the movable rod, and a limiting strip is provided on the other side.

3. The anti-deformation clamping mechanism for processing thin-walled parts according to claim 2, characterized in that: A limiting groove is provided on one side of the movable hole, and the limiting bar is slidably arranged in the limiting groove; a cavity is provided on the other side of the movable hole, and the limiting device is arranged inside the cavity; the rack is a ratchet arranged downward.

4. The anti-deformation clamping mechanism for processing thin-walled parts according to claim 3, characterized in that: The limiting device includes a movable tooth plate and an elastic member; one side of the movable tooth plate is provided with an upwardly arranged ratchet, and the other side is connected to the side wall of the cavity through an elastic member; the ratchet on the movable tooth plate engages with the rack on the movable rod under the action of the elastic member.

5. The anti-deformation clamping mechanism for processing thin-walled parts according to claim 4, characterized in that: The limiting device also includes a control ring and a control rod; the mounting plate is also provided with a plurality of through grooves parallel to each other, which are connected in sequence from the side walls of the cavity; the control ring is arranged on one side of the movable tooth plate; the control rod is slidably arranged in the through groove, and passes through the through groove on the side wall of the cavity and the control ring in sequence.

6. The anti-deformation clamping mechanism for processing thin-walled parts according to claim 5, characterized in that: A limiting ring and a pull rod are further provided on one side of the mounting plate; the pull rod passes through and is slidably arranged in the limiting ring; a plurality of control grooves are provided on the pull rod; one end of the control rod passes through the control groove.