High-rigidity motorized spindle chuck for car repairing

Abstract

The utility model belongs to the technical field of motorized spindle chucks, and particularly relates to a high-rigidity motorized spindle chuck for car repairing, which comprises a chuck main body, a chuck base is arranged on the back of the chuck main body, an anti-skidding fixing nut is arranged on the front side of the chuck main body and is in threaded connection with the chuck main body, and a clamping groove is formed in the chuck main body. A tool locking switch structure is arranged on the front face of the chuck base and comprises a switch shell, an annular limiting support is arranged at the position, close to the bottom, in the switch shell, first limiting blocks are symmetrically arranged in the annular limiting support, and a limiting spring is arranged between the two first limiting blocks. A second limiting block is arranged in front of the two first limiting blocks, a lock catch support is arranged on the front face of the limiting spring, switch lock catches are symmetrically arranged on the two sides of the lock catch support, and the high-rigidity electric spindle chuck for car repairing has the effects of protecting the chuck and improving the use efficiency.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric spindle chuck, specifically relates to a high rigidity electric spindle chuck for repairing vehicle. BACKGROUND

[0002] In the process of automobile repair, the heavy automobile parts are often fixed, and the automobile parts are cut or trimmed by cutters, and because the automobile parts are high-precision, the stability of the cutter cutting or trimming is very high, so a high-stability chuck is required.

[0003] The electric spindle chuck is a cutter clamping device matched with the electric spindle, which is usually composed of a shell, a locking device and a spring, and can fasten the cutter or workpiece on the electric spindle bearing to ensure that the workpiece does not loosen or fall off during high-speed rotation, thereby ensuring the machining precision and safety.

[0004] The common electric spindle chuck has two types of mechanical chuck and hydraulic chuck, the mechanical chuck is opened and closed and the cutter is clamped by simple operation such as hand shaking or wrench, and the hydraulic chuck needs to be opened and closed and clamped by hydraulic pressure, and has large clamping force and is suitable for higher requirement machining process.

[0005] The prior art has the following defects: the existing electric spindle chuck is used in the process of repairing the vehicle, the quality of the material is not high, the quality of the material is often damaged in the process of use, and the fixing structure between the chuck and the cutter has defects, the cutter is damaged in the process of long-time use, and the use efficiency is reduced. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a high rigidity electric spindle chuck for repairing vehicle, to solve the technical problems that the existing electric spindle chuck is used, the quality of the material is not high, the quality of the material is often damaged in the process of use, and the fixing structure between the chuck and the cutter has defects, the cutter is damaged in the process of long-time use, and the use efficiency is improved.

[0007] In order to solve the above technical problems, the utility model provides a high rigidity electric spindle chuck for repairing vehicle, which comprises a chuck main body, the back of the chuck main body is provided with a chuck base, the front of the chuck main body is provided with an anti-skid fixed nut in threaded connection with the chuck main body, and the front of the chuck base is provided with a cutter locking switch structure.

[0008] The tool locking switch structure comprises a switch shell, an annular limiting support is arranged at the inside of the switch shell close to the bottom, first limiting blocks are symmetrically arranged at the inside of the annular limiting support, a limiting spring is arranged between the two first limiting blocks, a second limiting block is arranged in front of the two first limiting blocks, a lock catch support is arranged on the front surface of the limiting spring, switch lock catches are symmetrically arranged on the two sides of the lock catch support, clamping support fixing nodes are arranged on the front surface and the side surface of the switch lock catch, a plurality of clamping supports are arranged on the cutting surface formed by the front surface and the side surface of the switch lock catch, and a fixed cover is arranged on the front surface of the switch lock catch.

[0009] Further, a threaded head is arranged on the front surface of the chuck body, a plurality of elastic grooves are uniformly arranged on the periphery of the chuck body and penetrate into the inside, a tool clamping groove is arranged on the front surface of the threaded head and penetrates into the inside, a plurality of support spring grooves are arranged on the periphery of the tool clamping groove close to the front surface and on both sides of the elastic grooves, support springs are arranged between the two support spring grooves, and a tool clamping groove is arranged on the circumferential wall of the tool clamping groove close to the front surface.

[0010] Further, a limiting fixed groove is arranged on the periphery of the chuck base close to the back.

[0011] Further, a threaded hole is arranged on the inside of the anti-skid fixed nut close to the back, and anti-skid tightening surfaces are equidistantly distributed on the periphery of the anti-skid fixed nut.

[0012] Further, the chuck body and the chuck base are integrally formed, and the chuck base is fixedly connected with the tool locking switch structure.

[0013] Further, the material of the chuck body is a high-rigidity polymer.

[0014] Further, the tool locking switch structure is used in cooperation with the anti-skid fixed nut.

[0015] The tool locking switch structure has the advantages that:

[0016] 1. In the tool locking switch structure, the chuck body is made of a high-rigidity polymer, so that the high-rigidity polymer material has high reinforcement rigidity, high bending resistance and high mechanical performance, the damage of the chuck caused by material problems is avoided, the use stability during repair is improved, and the integrity of the repair part is protected.

[0017] 2. In the tool locking switch structure, the tool is first fixed, and then the chuck and the electric spindle are fixed, so that the small deviation of the fixing structure between the chuck and the tool caused by the fixing of the electric spindle is avoided, the problem of damage of the chuck in a long-time use process is solved, and the use stability is improved.

[0018] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically described below, and the accompanying drawings are used for detailed description as follows. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically described below, and the accompanying drawings are used for detailed description as follows.

[0020] Fig. 1 It is the main body structure schematic diagram of the high rigidity electric spindle chuck for repairing vehicle of the utility model;

[0021] Fig. 2 It is the anatomical structure schematic diagram of the high rigidity electric spindle chuck for repairing vehicle of the utility model;

[0022] Fig. 3 It is the cutter locking switch anatomical structure schematic diagram of the high rigidity electric spindle chuck for repairing vehicle of the utility model;

[0023] Fig. 4 It is the cutter locking switch structure use schematic diagram of the high rigidity electric spindle chuck for repairing vehicle of the utility model.

[0024] In the drawings:

[0025] 1, chuck main body;101, threaded head;102, tight groove;103, tool clamping groove;104, support spring groove;105, support spring;106, tool limiting clamping groove;2, chuck base;201, limiting fixed groove;3, anti-skid fixed nut;301, screw port;302, anti-skid tightening surface;4, cutter locking switch structure;401, switch shell;402, annular limiting support;403, first limiting block;404, limiting spring;405, second limiting block;406, lock bracket;407, switch lock;408, clamping support fixed joint;409, clamping support;4010, fixed cover. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically described below, and the accompanying drawings are used for detailed description as follows.

[0027] Example:

[0028] like Figs. 1 to 4 As shown, a high-rigidity electric spindle chuck for car repair includes a chuck body 1, a chuck base 2 on the back of the chuck body 1, and an anti-slip fixing nut 3 threadedly connected to the front of the chuck body 1. A tool locking switch structure 4 is provided on the front of the chuck base 2. The tool locking switch structure 4 includes a switch housing 401, an annular limiting bracket 402 near the bottom inside the switch housing 401, first limiting blocks 403 symmetrically arranged inside the annular limiting bracket 402, a limiting spring 404 between the two first limiting blocks 403, a second limiting block 405 in front of the two first limiting blocks 403, a locking bracket 406 on the front of the limiting spring 404, and switch locking latches 407 symmetrically arranged on both sides of the locking bracket 406. The front of the 07 is provided with a clamping bracket fixing section 408. Several clamping brackets 409 are provided on the cross-section formed by the front and side of the clamping bracket fixing section 408. The front of the clamping bracket fixing section 408 is provided with a fixing cover 4010. Through the design of the chuck body 1 as a high-rigidity polymer, the excellent characteristics of high-strength rigidity, high bending resistance and high mechanical properties of the high-rigidity polymer material during use avoid damage to the chuck due to material problems. Through the design of the tool locking switch structure 4, the tool is fixed first during use, and then the chuck is fixed to the electric spindle. This avoids the problem of small deviations in the fixing structure between the chuck and the tool caused by fixing the tool to the electric spindle during use, which could damage the chuck during long-term use and improve the efficiency of use.

[0029] like Figs. 1 to 4As shown, the front of the chuck body 1 is provided with a threaded head 101, the periphery of the chuck body 1 is uniformly provided with a tension groove 102 penetrating to the inside, the front of the threaded head 101 is provided with a tool clamping groove 103 penetrating to the inside, a plurality of support spring grooves 104 are provided on the periphery of the tool clamping groove 103 close to the front and on both sides of the tension groove 102, a support spring 105 is arranged between the two support spring grooves 104, a tool limiting clamping groove 106 is provided on the circumferential wall of the tool clamping groove 103 close to the front, the support spring groove 104 can better restore the chuck body 1 when it is separated from the electric spindle, thereby improving the service life, the tool limiting clamping groove 106 improves the connection stability between the tool and the chuck, so that the tool is better fixed during use to avoid damage to the chuck, a limiting fixed groove 201 is provided on the periphery of the chuck base 2 close to the back, a screw opening 301 is provided in the inside of the anti-skid fixing nut 3 close to the back, anti-skid tightening surfaces 302 are equidistantly distributed on the periphery of the anti-skid fixing nut 3, the anti-skid fixing nut 3 strengthens the fixing of the chuck body 1 after the chuck body 1 is fixed with the electric spindle, so that the structure is more stable, the chuck body 1 is integrally formed with the chuck base 2, the chuck base 2 is fixedly connected with the tool locking switch structure 4, the material of the chuck body 1 is a high-rigidity polymer, the high-rigidity polymer has the characteristics of high strength, high hardness, high rigidity, high mechanical property, high chemical stability and light weight, the chuck made of the high-rigidity polymer has higher strength and is more durable during use, and the tool locking switch structure 4 is used in cooperation with the anti-skid fixing nut 3.

[0030] In summary, during use, first, the tool is fixed by being connected with the tool locking switch structure 4 in the tool clamping groove 103, when the tool locking switch structure 4 is contacted, a force is given to the tool, the tool locking switch structure 4 moves inward, the fixed cover 4010 contacts the tool, is pressed downward, drives the lock catch support 406 to move toward the bottom, compresses the limiting spring 404, when the switch lock catch 407 contacts the second limiting block 405, moves outward, and since the lock catch support 406 continuously moves toward the bottom, the switch lock catch 407 finally contacts the first limiting block 403 and is limited by the second limiting block 405, locks the switch lock catch 407, at the same time, the clamping support fixed section 408 drives the clamping support 409 to move downward, finally is contacted by the annular limiting support 402, the clamping support 409 is folded, finally clamps the tool, and since the anti-skid buffer pad on the clamping support 409 limits the displacement of the tool, the tool is fixed, after the tool is fixed, the chuck body 1 is placed in the electric spindle, the electric spindle tightens the chuck body 1 through the chuck base 2, after being tightened, the threaded head 101 is fixed again through the anti-skid fixing nut 3 to strengthen the fixing of the chuck body 1, so that the structure is more stable, compared with the existing high-rigidity electric spindle chuck for vehicle repair, the utility model can improve the overall protection, functionality and practicability of the high-rigidity electric spindle chuck for vehicle repair.

[0031] All the devices selected in this application are general standard parts or components known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0032] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A high-rigidity electric spindle chuck for car repair, characterized in that, include: The chuck body (1) has a chuck base (2) on its back. The front of the chuck body (1) is threaded with an anti-slip fixing nut (3). The front of the chuck base (2) is provided with a tool locking switch structure (4). The tool locking switch structure (4) includes a switch housing (401). An annular limiting bracket (402) is provided inside the switch housing (401) near the bottom. A first limiting block (403) is symmetrically provided inside the annular limiting bracket (402). A limiting spring (404) is provided between the two first limiting blocks (403). A second limiting block (405) is provided in front of the two first limiting blocks (403). A locking bracket (406) is provided on the front of the limiting spring (404). Switch locking buckles (407) are symmetrically provided on both sides of the locking bracket (406). A clamping bracket fixing section (408) is provided on the front of the switch locking buckle (407). A plurality of clamping brackets (409) are provided on the cross-section formed by the front and side of the clamping bracket fixing section (408). A fixing cover (4010) is provided on the front of the clamping bracket fixing section (408).

2. The high-rigidity electric spindle chuck for car repair as described in claim 1, characterized in that, The chuck body (1) has a threaded head (101) on its front side. The chuck body (1) has a tensioning groove (102) evenly distributed around its periphery and extending into its interior. The threaded head (101) has a tool clamping groove (103) distributed around its front side and extending into its interior. The tool clamping groove (103) has several support spring grooves (104) distributed around its periphery near its front side and on both sides of the tensioning groove (102). A support spring (105) is provided between each two support spring grooves (104). The tool clamping groove (106) is provided on the circumferential wall of the tool clamping groove (103) near its front side.

3. A high-rigidity electric spindle chuck for car repair as described in claim 2, characterized in that, A limiting groove (201) is provided on the outer periphery of the chuck base (2) near the back.

4. A high-rigidity electric spindle chuck for car repair as described in claim 3, characterized in that, The anti-slip fixing nut (3) has a screw hole (301) near the back inside, and anti-slip tightening surfaces (302) are evenly distributed on the outer periphery of the anti-slip fixing nut (3).

5. A high-rigidity electric spindle chuck for car repair as described in claim 4, characterized in that, The chuck body (1) and the chuck base (2) are integrally formed, and the chuck base (2) is fixedly connected to the tool locking switch structure (4).

6. A high-rigidity electric spindle chuck for car repair as described in claim 5, characterized in that... , The material of the clamp body (1) is a high-rigidity polymer.

7. A high-rigidity electric spindle chuck for car repair as described in claim 6, characterized in that, The tool locking switch structure (4) is used in conjunction with the anti-slip fixing nut (3).

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