A processing and positioning tool for automobile injection molding parts

Abstract

The present application provides a processing and positioning tool for automobile injection molding parts, comprising an injection molding part processing base, the bottom of the injection molding part processing base is fixed on a bracket, an injection molding part placement groove is arranged on the upper end surface of the injection molding part processing base, a first clamping mechanism is installed symmetrically in the inner cavity of the injection molding part placement groove, a second clamping mechanism is installed symmetrically in the inner cavity of the injection molding part placement groove, a vacuum adsorption mechanism is installed on the bracket, and the injection molding part to be processed is placed in the injection molding part placement groove. The present invention has a novel structural design and is easy to operate. Two sets of clamping mechanisms are used in conjunction with the vacuum adsorption mechanism, so that the automobile injection molding parts can be firmly adsorbed in the injection molding part placement groove, the positioning effect is good, and the processing efficiency and quality of automobile injection molding parts are improved.

Description

Technical Field

[0001] The present application relates to the technical field of automobile injection molding processing, and in particular to a processing and positioning tool for automobile injection molding. Background Art

[0002] Injection molded parts refer to various injection molded products produced by injection molding machines, including various packages, parts, etc. They are mainly made of materials such as polyethylene or polypropylene and added with a variety of organic solvents. The choice of plastic parts is mainly determined by the type of plastic (thermoplastic or thermosetting), the initial form, and the shape and size of the product. Injection molded parts are generally made by compression molding, transfer molding, and injection molding. Lamination, compression molding and thermoforming are to shape plastics on a plane. The above methods can all be used for rubber processing. In addition, there are castings with liquid monomers or polymers as raw materials. Among these methods, extrusion and injection molding are the most commonly used and most basic molding methods.

[0003] Automobile injection molding parts need to be clamped and positioned during the processing. The existing positioning work is generally done by clamping and positioning with a single screw. The injection molding parts are prone to movement during the processing, which affects the processing efficiency and processing accuracy. Therefore, it is necessary to design a processing positioning tool for automobile injection molding parts. Summary of the invention

[0004] The present application provides a processing positioning tool for automobile injection molding parts to solve the problem that the positioning tool in the prior art has poor fixing effect and affects the workpiece processing accuracy, thereby achieving the purpose of improving the workpiece positioning effect and improving the processing efficiency and quality of automobile injection molding parts.

[0005] The present application provides a processing and positioning tool for automobile injection molding parts, including an injection molding part processing base;

[0006] The bottom of the injection molding processing base is fixed on the bracket;

[0007] The upper end surface of the injection molding processing base is provided with an injection molding placement groove;

[0008] The first clamping mechanism is installed symmetrically in the inner cavity of the injection molded part placement groove;

[0009] A second clamping mechanism is symmetrically installed in the inner cavity of the injection molded part placement groove;

[0010] A vacuum adsorption mechanism is installed on the bracket, and the injection molded parts to be processed are placed in the injection molded parts placement groove.

[0011] Preferably, the present application provides a processing and positioning tool for automotive injection molded parts, wherein the first clamping mechanism includes a first clamping block, a fixed block, a sleeve and a screw transmission assembly, the fixed block is installed on the outer wall of the first clamping block, the sleeve is installed on the outer wall of the fixed block, the screw transmission assembly includes a transmission screw, a screw motor and a threaded sleeve, a through groove is provided on the injection molded part processing base, the threaded sleeve is embedded in the inner wall of the injection molded part placement groove and is in the through groove, the threaded sleeve and the sleeve are arranged opposite to each other, the transmission screw passes through the through groove and the threaded sleeve and is placed in the sleeve, the transmission screw is threadedly connected to the threaded sleeve, the screw motor is installed on the motor mounting frame, the motor shaft of the screw motor is transmission-connected to the outer end of the transmission screw, and the motor mounting frame is installed on the outer wall of the injection molded part processing base.

[0012] Preferably, the present application provides a processing and positioning tool for automotive injection molding parts, wherein the first clamping block includes a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate form a V-shaped structure after being assembled, a first connecting column is installed on the outer end of the first clamping plate, a second connecting column is installed on the outer end of the second clamping plate, a first slider is installed on the outer end of the first connecting column, and a second slider is installed on the outer end of the second connecting column, and the inner side walls of the injection molding part placement groove are respectively installed with a first slide groove and a second slide groove that are compatible with the first slider and the second slider.

[0013] Preferably, the present application provides a processing and positioning tool for automotive injection molding parts, wherein the second clamping mechanism includes a second clamping block, a screw and an adjusting nut, the second clamping block adopts an arc structure, a screw sleeve is installed on the outer end of the second clamping block, one end of the screw passes through the injection molding processing base and is placed in the threaded sleeve, and the other end of the screw is threadedly connected to the adjusting nut.

[0014] Preferably, the present application provides a processing and positioning tool for automotive injection molded parts, wherein a buffer plate assembly is also installed on the inner side of the second clamping block, the buffer plate assembly includes an arc-shaped buffer plate and a compression spring body, and multiple groups of compression spring bodies are installed between the arc-shaped buffer plate and the second clamping block.

[0015] Preferably, the present application provides a processing and positioning tool for automobile injection molded parts, wherein the inner side walls of the first clamping plate and the second clamping plate both include protective rubber pads.

[0016] Preferably, the present application provides a processing and positioning tool for automobile injection molding parts, wherein the vacuum adsorption mechanism includes a vacuum adsorption hood, a vacuum adsorption pipe and a vacuum pumping device, the bottom wall of the injection molding part placement groove is evenly distributed with a plurality of through holes, the vacuum adsorption hood is installed on the bottom end surface of the injection molding part placement groove, and a sealing strip is provided at the contact point between the vacuum adsorption hood and the surface of the injection molding part placement groove, one end of the vacuum adsorption pipe is connected to the vacuum pumping device, and the other end of the vacuum adsorption pipe is connected to the vacuum adsorption hood, and a regulating valve is installed on the vacuum adsorption pipe.

[0017] Preferably, a method for using a processing and positioning tool for automobile injection molded parts comprises the following steps:

[0018] A. First, place the automobile injection molded parts in the injection molded parts placement slot;

[0019] B. Then, the screw motor is controlled to work, the screw motor drives the transmission screw to rotate, the transmission screw pushes the first clamping block to move, the first clamping block moves along the inner wall of the placement groove through the connecting column, and the first clamping block is clamped on the left and right sides of the automobile injection molded part;

[0020] C. Then manually turn the adjusting nut, which drives the screw to rotate, and then drives the second clamping block to move. When the second clamping block contacts the outer wall of the injection molded part, the arc-shaped buffer plate is buffered by force and is closely attached to the front and rear sides of the injection molded part.

[0021] D. Finally, turn on the vacuum pump, and the vacuum pump draws vacuum. The negative pressure in the vacuum adsorption hood adsorbs the automobile injection molded parts to the bottom wall of the injection molded parts placement tank.

[0022] Beneficial effects:

[0023] (1) The present invention has a novel structural design and is easy to operate. It adopts two sets of clamping mechanisms in conjunction with a vacuum adsorption mechanism, which can firmly adsorb automobile injection moldings in the injection molding placement groove, has a good positioning effect, and improves the processing efficiency and quality of automobile injection moldings.

[0024] (2) The first clamping mechanism adopted in the present invention adopts a screw drive to drive the clamping block to move. The clamping block is guided by the sliding block during movement, which improves the movement stability of the clamping block and can improve the clamping firmness of the injection molded parts. In addition, a V-shaped clamping block is adopted to clamp injection molded parts of different sizes or shapes.

[0025] (3) The second clamping mechanism used in the present invention clamps the injection molded part through manual adjustment, and the arc-shaped buffer plate provides buffering during the clamping process of the clamping block, thereby effectively preventing deformation.

[0026] (4) The present invention also adopts a vacuum adsorption mechanism to vacuum adsorb the injection molded part onto the bottom wall of the placement groove, thereby further improving the positioning effect.

[0027] The above description is only an overview of the technical solution of the embodiment of the present application. In order to more clearly understand the technical means of the embodiment of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiment of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a schematic diagram of the structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the structure of the first clamping mechanism of the present invention;

[0031] Figure 3 It is a schematic diagram of the structure of the vacuum adsorption mechanism of the present invention;

[0032] Figure 4 It is the work flow chart of the present invention;

[0033] Explanation of the accompanying drawings: injection molding processing base 1, bracket 2, injection molding placement groove 3, first clamping mechanism 4, first clamping block 5, fixing block 6, sleeve 7, transmission screw 8, screw motor 9, threaded sleeve 10, motor mounting frame 11, first clamping plate 12, second clamping plate 13, first connecting column 14, second connecting column 15, first slider 16, second slider 17, first slide groove 18, second slide groove 19, second clamping block 20, screw 21, adjusting nut 22, screw sleeve 23, arc buffer plate 24, compression spring body 25, vacuum adsorption cover 26, vacuum adsorption pipeline 27, vacuum pumping equipment 28, regulating valve 29. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover non-exclusive inclusions.

[0036] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase "embodiments" in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0037] The directional words appearing in the following description are all directions shown in the drawings, and do not limit the specific structure of the present application. For example, in the description of the present application, the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application.

[0038] In addition, the expressions of indicated directions such as the X direction, the Y direction, and the Z direction used to illustrate the operation and construction of the components of the present embodiment are not absolute but relative, and although these indications are appropriate when the components are in the positions shown in the figures, when these positions change, these directions should be interpreted differently to correspond to the changes.

[0039] In addition, the terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order, and may explicitly or implicitly include one or more of the features.

[0040] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, the "connection" or "connection" of a mechanical structure may refer to a physical connection. For example, the physical connection may be a fixed connection, such as a fixed connection through a fixing member, such as a fixed connection through a screw, bolt or other fixing member; the physical connection may also be a detachable connection, such as a mutual snap-on or snap-fit ​​connection; the physical connection may also be an integral connection, such as a connection formed by welding, bonding or integral molding. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0041] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0042] Embodiment 1:

[0043] See also Figure 1-Figure 4 , the present application discloses a processing and positioning tool for automobile injection molding parts, including an injection molding part processing base 1;

[0044] The bottom of the injection molding processing base 1 is fixed on the bracket 2;

[0045] The upper end surface of the injection molding processing base 1 is provided with an injection molding placement groove 3;

[0046] The first clamping mechanism 4 is installed symmetrically in the inner cavity of the injection molded part placement groove 3;

[0047] The second clamping mechanism is symmetrically installed in the inner cavity of the injection molded part placement groove 3;

[0048] A vacuum adsorption mechanism is installed on the bracket, and the injection molded parts to be processed are placed in the injection molded parts placement groove.

[0049] In this embodiment, the first clamping mechanism 4 includes a first clamping block 5, a fixed block 6, a sleeve 7 and a screw transmission assembly, the fixed block 6 is installed on the outer wall of the first clamping block 5, the sleeve 7 is installed on the outer wall of the fixed block 6, the screw transmission assembly includes a transmission screw 8, a screw motor 9 and a threaded sleeve 10, a through groove is provided on the injection molding processing base 1, the threaded sleeve 10 is embedded in the inner wall of the injection molding placement groove 3, and is in the through groove, the threaded sleeve 10 is arranged opposite to the sleeve 7, the transmission screw 8 passes through the through groove, the threaded sleeve 10 and is placed in the sleeve 7, the transmission screw 8 is threadedly connected to the threaded sleeve 10, the screw motor 9 is installed on the motor mounting frame 11, and the motor shaft of the screw motor 9 is connected to the transmission screw 8 outer end transmission connection, the motor mounting frame 11 is installed on the outer side wall of the injection molding processing base 1; the first clamping block 5 includes a first clamping plate 12 and a second clamping plate 13, the inner side walls of the first clamping plate 12 and the second clamping plate 13 both include protective rubber pads, the first clamping plate 12 and the second clamping plate 13 are assembled to form a V-shaped structure, the outer end of the first clamping plate 12 is installed with a first connecting column 14, the outer end of the second clamping plate 13 is installed with a second connecting column 15, the outer end of the first connecting column 14 is installed with a first slider 16, the outer end of the second connecting column 15 is installed with a second slider 17, and the inner side wall of the injection molding placement groove 3 is respectively installed with a first slide 18 and a second slide 19 adapted to the first slider 16 and the second slider 17. The first clamping mechanism adopted by the present invention adopts a screw drive to drive the clamping block to move, and the clamping block is guided by the sliding block during the movement, which improves the stability of the clamping block movement and can improve the clamping firmness of the injection molding. In addition, the V-shaped clamping block is adopted to clamp injection moldings of different sizes or special shapes.

[0050] In this embodiment, the second clamping mechanism includes a second clamping block 20, a screw 21 and an adjusting nut 22. The second clamping block 20 adopts an arc structure. A screw sleeve 23 is installed at the outer end of the second clamping block 20. One end of the screw 21 passes through the injection molding processing base and is placed in the threaded sleeve 23. The other end of the screw 21 is threadedly connected with the adjusting nut 22. A buffer plate assembly is also installed inside the second clamping block 20. The buffer plate assembly includes an arc buffer plate 24 and a compression spring body 25. Multiple groups of compression spring bodies 25 are installed between the arc buffer plate 24 and the second clamping block 20. The second clamping mechanism used in the present invention clamps the injection molding by manual adjustment. The arc buffer plate is used for buffering during the clamping process of the clamping block, which effectively prevents deformation.

[0051] Embodiment 2:

[0052] A processing and positioning tool for automobile injection molding parts, comprising an injection molding part processing base 1;

[0053] The bottom of the injection molding processing base 1 is fixed on the bracket 2;

[0054] The upper end surface of the injection molding processing base 1 is provided with an injection molding placement groove 3;

[0055] The first clamping mechanism 4 is installed symmetrically in the inner cavity of the injection molded part placement groove 3;

[0056] The second clamping mechanism is symmetrically installed in the inner cavity of the injection molded part placement groove 3;

[0057] A vacuum adsorption mechanism is installed on the bracket, and the injection molded parts to be processed are placed in the injection molded parts placement groove.

[0058] In this embodiment, the first clamping mechanism 4 includes a first clamping block 5, a fixed block 6, a sleeve 7 and a screw transmission assembly, the fixed block 6 is installed on the outer wall of the first clamping block 5, the sleeve 7 is installed on the outer wall of the fixed block 6, the screw transmission assembly includes a transmission screw 8, a screw motor 9 and a threaded sleeve 10, a through groove is provided on the injection molding processing base 1, the threaded sleeve 10 is embedded in the inner wall of the injection molding placement groove 3, and is in the through groove, the threaded sleeve 10 is arranged opposite to the sleeve 7, the transmission screw 8 passes through the through groove, the threaded sleeve 10 and is placed in the sleeve 7, the transmission screw 8 is threadedly connected to the threaded sleeve 10, the screw motor 9 is installed on the motor mounting frame 11, and the motor shaft of the screw motor 9 is connected to the transmission screw 8 outer end transmission connection, the motor mounting frame 11 is installed on the outer side wall of the injection molding processing base 1; the first clamping block 5 includes a first clamping plate 12 and a second clamping plate 13, the inner side walls of the first clamping plate 12 and the second clamping plate 13 both include protective rubber pads, the first clamping plate 12 and the second clamping plate 13 are assembled to form a V-shaped structure, the outer end of the first clamping plate 12 is installed with a first connecting column 14, the outer end of the second clamping plate 13 is installed with a second connecting column 15, the outer end of the first connecting column 14 is installed with a first slider 16, the outer end of the second connecting column 15 is installed with a second slider 17, and the inner side wall of the injection molding placement groove 3 is respectively installed with a first slide 18 and a second slide 19 adapted to the first slider 16 and the second slider 17. The first clamping mechanism adopted by the present invention adopts a screw drive to drive the clamping block to move, and the clamping block is guided by the sliding block during the movement, which improves the stability of the clamping block movement and can improve the clamping firmness of the injection molding. In addition, the V-shaped clamping block is adopted to clamp injection moldings of different sizes or special shapes.

[0059] In this embodiment, the second clamping mechanism includes a second clamping block 20, a screw 21 and an adjusting nut 22. The second clamping block 20 adopts an arc structure. A screw sleeve 23 is installed at the outer end of the second clamping block 20. One end of the screw 21 passes through the injection molding processing base and is placed in the threaded sleeve 23. The other end of the screw 21 is threadedly connected with the adjusting nut 22. A buffer plate assembly is also installed inside the second clamping block 20. The buffer plate assembly includes an arc buffer plate 24 and a compression spring body 25. Multiple groups of compression spring bodies 25 are installed between the arc buffer plate 24 and the second clamping block 20. The second clamping mechanism used in the present invention clamps the injection molding by manual adjustment. The arc buffer plate is used for buffering during the clamping process of the clamping block, which effectively prevents deformation.

[0060] In this embodiment, the vacuum adsorption mechanism includes a vacuum adsorption hood 26, a vacuum adsorption pipe 27 and a vacuum pumping device 28. The bottom wall of the injection molding placement groove 3 is evenly distributed with a plurality of through holes. The vacuum adsorption hood 26 is installed on the bottom end surface of the injection molding placement groove 3, and a sealing strip is provided at the contact point between the vacuum adsorption hood 26 and the surface of the injection molding placement groove 3. One end of the vacuum adsorption pipe 27 is connected to the vacuum pumping device 28, and the other end of the vacuum adsorption pipe 27 is connected to the vacuum adsorption hood 26. A regulating valve 29 is installed on the vacuum adsorption pipe 27. The vacuum device draws vacuum, and a negative pressure environment is formed in the vacuum adsorption hood. The injection molding is negatively adsorbed on the bottom wall of the injection molding placement groove. The present invention also adopts a vacuum adsorption mechanism to vacuum adsorb the injection molding on the bottom wall of the placement groove to further improve the positioning effect.

[0061] Working principle: A method for using a processing and positioning tool for automobile injection molding parts, comprising the following steps:

[0062] A. First, place the automobile injection molded parts in the injection molded parts placement slot;

[0063] B. Then, the screw motor is controlled to work, the screw motor drives the transmission screw to rotate, the transmission screw pushes the first clamping block to move, the first clamping block moves along the inner wall of the placement groove through the connecting column, and the first clamping block is clamped on the left and right sides of the automobile injection molded part;

[0064] C. Then manually turn the adjusting nut, which drives the screw to rotate, and then drives the second clamping block to move. When the second clamping block contacts the outer wall of the injection molded part, the arc-shaped buffer plate is buffered by force and is closely attached to the front and rear sides of the injection molded part.

[0065] D. Finally, turn on the vacuum pump, and the vacuum pump draws vacuum. The negative pressure in the vacuum adsorption hood adsorbs the automobile injection molded parts to the bottom wall of the injection molded parts placement tank.

[0066] In summary, the present invention has novel structural design and is easy to operate. It adopts two sets of clamping mechanisms in conjunction with a vacuum adsorption mechanism, which can firmly adsorb automobile injection moldings in the injection molding placement groove, has a good positioning effect, and improves the processing efficiency and quality of automobile injection moldings.

[0067] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A processing and positioning tool for automobile injection molded parts, characterized in that: It includes an injection molding processing base (1); The bottom of the injection molding processing base (1) is fixed on the bracket (2); The upper end surface of the injection molding processing base (1) is provided with an injection molding placement groove (3); The first clamping mechanism (4) is symmetrically installed in the inner cavity of the injection molded part placement groove (3); A second clamping mechanism is symmetrically installed in the inner cavity of the injection molded part placement groove (3) up and down; A vacuum adsorption mechanism is installed on the bracket, and the injection molded parts to be processed are placed in the injection molded parts placement groove.

2. The processing and positioning tooling for automobile injection molded parts according to claim 1, characterized in that: The first clamping mechanism (4) comprises a first clamping block (5), a fixing block (6), a sleeve (7) and a screw transmission assembly, wherein the fixing block (6) is mounted on the outer wall of the first clamping block (5), the sleeve (7) is mounted on the outer wall of the fixing block (6), the screw transmission assembly comprises a transmission screw (8), a screw motor (9) and a threaded sleeve (10), a through groove is provided on the injection molding processing base (1), and the threaded sleeve (10) is embedded in the inner side of the injection molding placement groove (3) The threaded sleeve (10) and the sleeve (7) are arranged opposite to each other, the transmission screw (8) passes through the through slot and the threaded sleeve (10) and is arranged in the sleeve (7), the transmission screw (8) and the threaded sleeve (10) are threadedly connected, the screw motor (9) is installed on the motor mounting frame (11), the motor shaft of the screw motor (9) is drivingly connected to the outer end of the transmission screw (8), and the motor mounting frame (11) is installed on the outer side wall of the injection molding processing base (1).

3. The processing and positioning tooling for automobile injection molded parts according to claim 2, characterized in that: The first clamping block (5) comprises a first clamping plate (12) and a second clamping plate (13). The first clamping plate (12) and the second clamping plate (13) form a V-shaped structure after being assembled. A first connecting column (14) is installed at the outer end of the first clamping plate (12), and a second connecting column (15) is installed at the outer end of the second clamping plate (13). A first sliding block (16) is installed at the outer end of the first connecting column (14), and a second sliding block (17) is installed at the outer end of the second connecting column (15). The inner side wall of the injection molding placement groove (3) is respectively installed with a first sliding groove (18) and a second sliding groove (19) adapted to the first sliding block (16) and the second sliding block (17).

4. The processing and positioning tooling for automobile injection molded parts according to claim 1, characterized in that: The second clamping mechanism comprises a second clamping block (20), a screw rod (21) and an adjusting nut (22); the second clamping block (20) is of an arc-shaped structure; a screw rod sleeve (23) is installed at the outer end of the second clamping block (20); one end of the screw rod (21) passes through the injection molding processing base and is placed in the threaded sleeve (23); the other end of the screw rod (21) is threadedly connected to the adjusting nut (22).

5. The processing and positioning tooling for automobile injection molded parts according to claim 4, characterized in that: A buffer plate assembly is also installed inside the second clamping block (20), the buffer plate assembly comprising an arc-shaped buffer plate (24) and a compression spring body (25), and multiple groups of compression spring bodies (25) are installed between the arc-shaped buffer plate (24) and the second clamping block (20).

6. The processing and positioning tooling for automobile injection molded parts according to claim 3, characterized in that: The inner side walls of the first clamping plate (12) and the second clamping plate (13) both include protective rubber pads.

7. The processing and positioning tooling for automobile injection molded parts according to claim 1, characterized in that: The vacuum adsorption mechanism comprises a vacuum adsorption hood (26), a vacuum adsorption pipeline (27) and a vacuum pumping device (28); the bottom wall of the injection molded part placement groove (3) is evenly distributed with a plurality of through holes; the vacuum adsorption hood (26) is installed on the bottom end surface of the injection molded part placement groove (3); a sealing strip is provided at the contact point between the vacuum adsorption hood (26) and the surface of the injection molded part placement groove (3); one end of the vacuum adsorption pipeline (27) is connected to the vacuum pumping device (28); the other end of the vacuum adsorption pipeline (27) is connected to the vacuum adsorption hood (26); and a regulating valve (29) is installed on the vacuum adsorption pipeline (27).

8. A method for using the processing and positioning tooling for automobile injection molded parts according to claim 1, characterized in that: The method of use includes the following steps: A. First, place the automobile injection molded parts in the injection molded parts placement slot; B. Then, the screw motor is controlled to work, the screw motor drives the transmission screw to rotate, the transmission screw pushes the first clamping block to move, the first clamping block moves along the inner wall of the placement groove through the connecting column, and the first clamping block is clamped on the left and right sides of the automobile injection molded part; C. Then manually turn the adjusting nut, which drives the screw to rotate, and then drives the second clamping block to move. When the second clamping block contacts the outer wall of the injection molded part, the arc-shaped buffer plate is buffered by force and is closely attached to the front and rear sides of the injection molded part. D. Finally, turn on the vacuum pump, and the vacuum pump draws vacuum. The negative pressure in the vacuum adsorption hood adsorbs the automobile injection molded parts to the bottom wall of the injection molded parts placement tank.

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