Quick clamping and positioning device

Abstract

The utility model discloses a quick clamping and positioning device, which belongs to the technical field of machining machine tool accessories and comprises an automatic pneumatic chuck and a base component, a locking piece is arranged in the automatic pneumatic chuck, and an automatic blind rivet is arranged in the base component. The automatic blind rivet is locked through high-precision positioning between the positioning cylindrical section of the automatic blind rivet and the automatic pneumatic chuck and cooperation of the groove locking section and the locking piece, high-precision rapid clamping and positioning are achieved, and the machining requirement is met. According to the rapid clamping and positioning device, the high-precision workpiece positioning and clamping mode is optimized, the structure is simplified to the maximum extent, the machining requirements of different workpieces and multiple stations can be met, and the rapid clamping and positioning device is high in positioning precision, easy to operate, high in efficiency and good in application prospect and popularization value.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing machine tool accessories, and specifically relates to a high-precision fast clamping and positioning device for five axes. Background Art

[0002] With the rapid development of CNC technology and industrial mother machines at home and abroad, five-axis machining technology has been widely used in the field of mechanical processing. After most high-precision parts are clamped, they need to be aligned to eliminate clamping errors. The operability is not strong and the efficiency is low. It is not suitable for the needs of efficient processing of batch parts. Therefore, it is necessary to seek a high-precision clamping and positioning device with simple structure and easy operation to meet the requirements of five-axis high-precision workpiece clamping. Utility Model Content

[0003] In response to one or more of the above-mentioned defects or improvement needs in the prior art, the utility model provides a rapid clamping and positioning device, which can achieve high-precision rapid clamping and positioning of workpieces, and solve the problems of poor positioning accuracy, enhanced operability, low efficiency, etc. of five-axis high-precision workpieces.

[0004] To achieve the above-mentioned purpose, the utility model provides a quick clamping and positioning device, which includes an automatic pneumatic chuck and a base assembly;

[0005] The automatic pneumatic chuck is fixed on the workbench, a first positioning hole is provided in the middle thereof, and a first air leakage hole and a plurality of first locking air holes are sequentially provided along the outer circumference of the first positioning hole, one end of the first air leakage hole and the first locking air hole extends to the end surface of the automatic pneumatic chuck, and the other end extends to communicate with the first positioning hole, and a locking piece is provided in one end of the first locking air hole close to the first positioning hole;

[0006] The base assembly includes an automatic rivet and a base that are fixedly connected;

[0007] The automatic rivet comprises a positioning cylindrical section, a groove locking section and a sealing section which are arranged in sequence; the positioning cylindrical section is arranged on a side away from the base, the groove locking section is arranged corresponding to an end of the first locking air hole close to the first positioning hole, and the locking member can be pushed into the groove locking section after gas is introduced into the first locking air hole to lock the automatic rivet; the sealing section is used to seal a side of the first positioning hole close to the automatic rivet;

[0008] One side of the base is fixedly connected to the automatic rivet, and the other side is fixedly connected to the workpiece to be processed.

[0009] As a further improvement of the utility model, the automatic pneumatic chuck is fixedly mounted on the workbench through a mounting seat;

[0010] The mounting seat comprises a mounting seat body and a flange arranged on one side thereof, the flange is provided with a plurality of first inner holes, and the mounting seat is fixed on the workbench through the first inner holes;

[0011] A plurality of first threaded holes are arranged on one side of the mounting seat body away from the flange, and a second inner hole is arranged at a corresponding position of the automatic pneumatic chuck, so as to fix the automatic pneumatic chuck on the mounting seat by screws;

[0012] A plurality of second locking air holes and second air leakage holes are correspondingly arranged on the mounting seat. The second locking air holes are communicated with the first locking air holes, and the second air leakage holes are communicated with the first air leakage holes.

[0013] As a further improvement of the present invention, the locking piece is a locking steel ball.

[0014] As a further improvement of the present invention, a spring is provided on the side of the locking steel ball away from the first positioning hole, and the spring is fixed in the first locking air hole to support the locking steel ball.

[0015] As a further improvement of the utility model, an adapter plate is further provided on the side of the base assembly away from the automatic pneumatic chuck, and a plurality of third inner holes, a plurality of threaded holes and a plurality of positioning pin holes are provided on the adapter plate; the threaded holes are used to connect with the workpiece to be processed; the positioning pin holes are used to position the workpiece;

[0016] A plurality of fixed thread segments are arranged on one side of the base close to the adapter plate, so that the adapter plate can be fixedly connected to the base by passing bolts through the third inner hole and the fixed thread segments.

[0017] As a further improvement of the present invention, a transition section is further provided between the positioning cylindrical section and the groove locking section, and the outer peripheral surface of the transition section is a conical surface or an arc surface.

[0018] As a further improvement of the utility model, an annular groove is provided on the sealing section, and an O-ring is provided in the annular groove.

[0019] As a further improvement of the utility model, a first external thread section is further provided on a side of the sealing section close to the base, and a first internal thread section matching the first external thread section is provided at a corresponding position of the base, thereby realizing a fixed connection between the automatic rivet and the base.

[0020] As a further improvement of the utility model, a positioning piece is also connected to a side of the base close to the automatic rivet;

[0021] The automatic pneumatic chuck is provided with a plurality of positioning bosses on one side close to the positioning sheet, and a plurality of positioning grooves are provided on the positioning sheet, and the positioning bosses can be matched and inserted into the positioning grooves; and / or,

[0022] A positioning column is arranged on one side of the base close to the positioning sheet, and a plurality of second positioning holes are arranged on the positioning sheet. The positioning column can be matched and inserted into the second positioning holes.

[0023] As a further improvement of the utility model, the base assembly further includes a plurality of positioning screws;

[0024] A plurality of through hole sections are arranged on the positioning plate, and a plurality of second internal thread sections are arranged on a side of the base close to the positioning plate, one end of the positioning screw passes through the through hole section and the second internal thread section in sequence, thereby fixing the positioning plate to the base, and a side of the positioning screw facing away from the positioning plate is used as a positioning surface, which can be abutted and matched with the side of the automatic pneumatic chuck after the base assembly is installed in place.

[0025] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0026] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0027] (1) The rapid clamping and positioning device of the utility model realizes high-precision positioning between the positioning cylindrical section of the automatic rivet and the automatic pneumatic chuck, and locks the automatic rivet through the cooperation between the groove locking section and the locking member, thereby achieving high-precision rapid clamping and positioning to meet processing requirements.

[0028] (2) The quick clamping and positioning device of the utility model is provided with a positioning plate on one side of the base, a positioning boss on the automatic pneumatic chuck, and a positioning column on the base, so as to achieve layer-by-layer positioning between the automatic pneumatic chuck and the positioning plate, and between the positioning plate and the base, thereby ensuring the accuracy of clamping and positioning of the workpiece.

[0029] (3) The quick clamping and positioning device of the utility model provides an adapter plate on one side of the base assembly so as to adapt to the processing requirements of different workpieces by replacing adapter plates of different specifications, thereby improving the applicability of the clamping and positioning device.

[0030] (4) The rapid clamping and positioning device of the utility model optimizes the high-precision workpiece positioning and clamping method, simplifies the structure to the greatest extent, and can adapt to the processing requirements of different workpieces and multiple stations. It has high positioning accuracy, easy operation, and high efficiency, and has good application prospects and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 It is a schematic diagram of the overall structure of the quick clamping and positioning device in the embodiment of the utility model;

[0033] Figure 2 It is a cross-sectional schematic diagram of the mounting seat in the embodiment of the utility model;

[0034] Figure 3 It is a longitudinal cross-sectional schematic diagram of an automatic pneumatic chuck in an embodiment of the utility model;

[0035] Figure 4 is a schematic cross-sectional view of an automatic pneumatic chuck in an embodiment of the utility model;

[0036] Figure 5 It is a structural schematic diagram of the base assembly in the embodiment of the utility model;

[0037] Figure 6 This is a schematic diagram of the structure of the automatic nail puller in the embodiment of the utility model;

[0038] Figure 7 It is a schematic diagram of the structure of the positioning screw in the embodiment of the utility model;

[0039] Figure 8 It is a schematic diagram of the structure of the positioning piece in the embodiment of the utility model;

[0040] Fig. 9 It is a structural schematic diagram of the base in the embodiment of the utility model;

[0041] Fig.10 It is a structural schematic diagram of the adapter plate in the embodiment of the utility model;

[0042] In all the drawings, the same reference numerals represent the same technical features, specifically:

[0043] 1. Mounting seat; 101. First inner hole; 102. Second positioning surface; 103. Second air leakage hole; 104. Second locking air hole; 105. Sealing groove; 106. Third positioning surface;

[0044] 2. Automatic pneumatic chuck; 201. Second inner hole; 202. Positioning boss; 203. First air release hole; 204. First locking air hole; 205. Locking steel ball; 206. Spring; 207. First positioning hole; 208. First positioning surface;

[0045] 3. Base assembly; 301. Automatic rivet; 3011. First wrench loading and unloading section; 3012. Positioning cylindrical section; 3013. Groove locking section; 3014. Sealing section; 3015. First external thread section; 3016. Transition section; 302. O-ring; 303. Positioning screw; 3031. Second wrench loading and unloading section; 3032. Fourth positioning surface; 3033. Second external thread section; 304. Positioning sheet; 3041. Through hole section; 3042. Positioning groove; 3043. Second positioning hole; 305. Base; 3051. First internal thread section; 3052. Second internal thread section; 3053. Positioning column;

[0046] 4. adapter plate; 401. third inner hole; 402. second threaded hole; 403. positioning pin hole;

[0047] 5. Workpiece. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0049] In the description of the present invention, it should be understood that 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include several of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] Example:

[0054] See also Figures 1 to 10 The quick clamping and positioning device in the preferred embodiment of the utility model includes an automatic pneumatic chuck 2 and a base assembly 3 arranged in sequence, so as to realize a quick detachable connection between the base assembly 3 and the workbench through the automatic pneumatic chuck 2, and position the workpiece 5 to be processed on the base assembly 3, thereby realizing the positioning connection between the processed workpiece 5 and the workbench.

[0055] Specifically, if Figure 1 and Figure 3 As shown in the figure, the automatic pneumatic chuck 2 in the preferred embodiment is fixed on the workbench through the mounting base 1, and a first positioning hole 207 is provided in the middle of the automatic pneumatic chuck 2, and a first air leakage hole 203 and a plurality of first locking air holes 204 are sequentially provided along the outer periphery of the first positioning hole 207; wherein, one end of the first air leakage hole 203 extends to the end face of the automatic pneumatic chuck 2 close to the mounting base 1, and the other end extends to communicate with the first positioning hole 207; correspondingly, one end of the first locking air hole 204 extends to the end face of the automatic pneumatic chuck 2 close to the mounting base 1, and the other end extends to communicate with the first positioning hole 207.

[0056] Meanwhile, a locking member is disposed in one end of the first locking air hole 204 close to the first positioning hole 207 , and the locking member can move toward the direction of the first positioning hole 207 after gas is blown into the first locking air hole 204 .

[0057] like Figure 3 The locking member in the preferred embodiment shown is a locking steel ball 205, and a spring 206 is provided on the side of the locking steel ball 205 away from the first positioning hole 207, and the spring 206 is fixed in the first locking air hole 204 to support the locking steel ball 205. In the preferred embodiment, eight first locking air holes 204 are evenly arranged along the inner wall surface of the first positioning hole 207 in an annular direction, and eight locking members are correspondingly arranged.

[0058] Preferably, the side of the automatic pneumatic chuck 2 facing away from the mounting seat 1 is used as the first positioning surface 208, and a plurality of positioning bosses 202 are further provided on the side where the first positioning surface 208 is located. Figure 4 As shown in , it is used for positioning and installing between the automatic pneumatic chuck 2 and the base assembly 3. Figure 3 In the preferred embodiment shown, four positioning bosses 202 are evenly arranged along the outer circumference of the first positioning hole 207 .

[0059] Furthermore, if Figure 2 As shown, the mounting seat 1 includes a mounting seat body and a flange arranged on a side away from the automatic pneumatic chuck 2, and a plurality of first inner holes 101 are arranged on the flange, so that the mounting seat 1 can be fixed on the five-axis workbench by screws passing through the first inner holes 101. In the preferred embodiment, four first inner holes 101 are evenly spaced along the circumferential direction of the flange.

[0060] Preferably, a protrusion is provided on one side of the mounting seat 1 close to the flange, and a second positioning surface 102 is formed on the side of the protrusion, and the second positioning surface 102 matches the positioning hole and surface of the workbench to realize the positioning installation between the mounting seat 1 and the five-axis workbench through the second positioning surface 102.

[0061] Accordingly, a third positioning surface 106 is formed on the side of the mounting seat 1 away from the flange, a plurality of first threaded holes are arranged on the side where the third positioning surface 106 is located, and a plurality of second inner holes 201 are arranged on the side of the automatic pneumatic chuck 2 close to the mounting seat 1, and then the automatic pneumatic chuck 2 is fixed to the mounting seat 1 by screws, and then the automatic pneumatic chuck 2 is fixed to the five-axis workbench. In the preferred embodiment, eight first threaded holes are evenly arranged in the circumferential direction on the third positioning surface 106, and eight second inner holes 201 are arranged on the automatic pneumatic chuck 2.

[0062] At the same time, a second air leak hole 103 and a second locking air hole 104 are also provided on the mounting base 1, and the second air leak hole 103 is connected to the first air leak hole 203, and the second locking air hole 104 is connected to the first locking air hole 204, so that air can be ventilated into the first locking air hole 204 through the second locking air hole 104, and exhaust can be carried out through the first air leak hole 203 and the second air leak hole 103.

[0063] Preferably, a sealing groove 105 is provided at the hole ends of the second locking air hole 104 and the second air release hole 103 close to the third positioning surface 106, so that when the automatic pneumatic chuck 2 is mounted on the mounting seat 1, a flat gasket is installed in the sealing groove 105 to achieve sealing between the third positioning surface 106 and the automatic pneumatic chuck 2. Preferably, after the flat gasket is placed in the sealing groove 105, the end surface of the flat gasket matches the third positioning surface 106.

[0064] Furthermore, if Figure 5 As shown in FIG. 1 , the base assembly 3 in the preferred embodiment includes an automatic rivet 301 and a base 305 that are fixedly connected.

[0065] Specifically, if Figure 6 As shown in the figure, the automatic rivet 301 includes a positioning cylindrical section 3012, a groove locking section 3013 and a sealing section 3014 arranged in sequence. The positioning cylindrical section 3012 is arranged on the side away from the base 305, and its outer diameter matches the size of the first positioning hole 207 on the automatic pneumatic chuck 2, so that the positioning cylindrical section 3012 can be matched and inserted into the first positioning hole 207. Preferably, the gap between the first positioning hole 207 and the positioning cylindrical section 3012 is controlled to be between 0.005 and 0.008 mm.

[0066] Furthermore, the outer diameter of the groove locking section 3013 is smaller than the outer diameter of the positioning cylindrical section 3012, and the groove locking section 3013 can correspond to the end of the first locking air hole 204 close to the first positioning hole 207 after the automatic rivet 301 is inserted into the first positioning hole 207, so that the locking piece can be pushed into the groove locking section 3013 by passing gas into the first locking air hole 204, thereby locking the automatic rivet 301 in the first positioning hole 207.

[0067] In actual use, when the workpiece 5 is continuously clamped by the clamping and positioning device, it is necessary to continuously ventilate the first locking air hole 204 .

[0068] Preferably, a transition section 3016 is provided between the positioning cylindrical section 3012 and the locking end, and the outer peripheral surface of the transition section 3016 may be as follows: Figure 5 The conical surface shown in the figure may also be an arcuate surface, so that when the automatic pull nail 301 is pulled out after air is deflated, the locking steel ball 205 is pushed out through the transition section 3016.

[0069] Furthermore, the sealing section 3014 is used to seal a side of the first positioning hole 207 close to the automatic rivet 301 after the automatic rivet 301 is inserted into the first positioning hole 207 .

[0070] Preferably, an annular groove is provided on the sealing section 3014 , and an O-ring 302 is provided in the annular groove, so that the O-ring 302 can seal one end of the first positioning hole 207 .

[0071] Furthermore, one side of the base 305 is fixedly connected to the automatic rivet 301 , and the other end is used to fix the workpiece 5 to be processed.

[0072] In order to achieve a fixed connection between the base 305 and the automatic rivet 301 in the preferred embodiment, a first external thread section 3015 is provided on the side of the sealing section 3014 close to the base 305, and a first internal thread section 3051 matching the first external thread section 3015 is provided at a corresponding position of the base 305. Fig. 9 as shown in .

[0073] Preferably, a first wrench loading and unloading section 3011 is provided on a side of the positioning cylindrical section 3012 facing away from the sealing section 3014, so as to lock or disassemble the automatic rivet 301 and the base 305 by a wrench.

[0074] Preferably, in order to realize the positioning between the automatic pneumatic chuck 2 and the base assembly 3, a positioning piece 304 is also connected to the side of the base 305 close to the automatic rivet 301, such as Figure 8 As shown in the figure, a plurality of positioning grooves 3042 are provided on the positioning sheet 304, and the positions of the positioning grooves 3042 match the positions of the positioning bosses 202. By matching and inserting the positioning bosses 202 into the positioning grooves 3042, the positioning between the automatic pneumatic chuck 2 and the base assembly 3 is achieved.

[0075] Meanwhile, a positioning column 3053 is provided on one side of the base 305 close to the positioning piece 304 , and a plurality of second positioning holes 3043 are provided on the positioning piece 304 , so as to realize the positioning between the positioning piece 304 and the base 305 by matching between the second positioning holes 3043 and the positioning column 3053 .

[0076] Preferably, the base assembly 3 further includes a plurality of positioning screws 303, such as Figure 7 As shown in the figure, the positioning screw 303 includes a second wrench loading and unloading section 3031 and a second external thread section 3033; wherein the second wrench loading and unloading section 3031 is mainly used for locking or disassembling the positioning screw 303 with a wrench, and the second external thread section 3033 is used to connect and fix the positioning screw 303 to the base 305.

[0077] Correspondingly, a plurality of through hole sections 3041 are provided on the positioning plate 304 , and a plurality of second internal thread sections 3052 are provided on the base 305 , so that the second external thread section 3033 can pass through the through hole sections 3041 and the second internal thread sections 3052 in sequence, thereby fixing the positioning plate 304 on the base 305 .

[0078] At the same time, the side of the positioning screw 303 facing away from the positioning sheet 304 is used as the fourth positioning surface 3032, and the fourth positioning surface 3032 can be abutted and matched with the first positioning surface 208 of the automatic pneumatic chuck 2 after the base assembly 3 is installed in place.

[0079] In order to improve the applicability of the clamping and positioning device, an adapter plate 4 is also provided on the side of the base assembly 3 away from the automatic pneumatic chuck 2. Fig.10 As shown in the figure, a plurality of third inner holes 401, a plurality of second threaded holes 402 and a plurality of positioning pin holes 403 are provided on the adapter plate 4, and a plurality of fixed thread segments are provided on the side of the base 305 close to the adapter plate 4, so that the adapter plate 4 can be fixed on the base 305 by screws passing through the third inner holes 401 and the fixed thread segments; at the same time, the connection with the workpiece 5 to be processed is achieved through the second threaded holes 402, and the rapid positioning between the workpiece 5 is achieved through the positioning pin holes 403, so as to ensure the repeatability positioning accuracy of the parts.

[0080] In actual use, a plurality of adapter plates 4 of different specifications may be provided to meet the processing requirements of different workpieces 5 .

[0081] The rapid clamping and positioning device in the utility model optimizes the high-precision workpiece positioning and clamping method, simplifies the structure to the maximum extent, and can adapt to the processing requirements of different workpieces and multiple stations. It has high positioning accuracy, easy operation, and high efficiency, and has good application prospects and promotion value.

[0082] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quick clamping and positioning device, characterized in that: Includes an automatic pneumatic chuck and base assembly; The automatic pneumatic chuck is fixed on the workbench, a first positioning hole is provided in the middle thereof, and a first air leakage hole and a plurality of first locking air holes are sequentially provided along the outer circumference of the first positioning hole, one end of the first air leakage hole and the first locking air hole extends to the end surface of the automatic pneumatic chuck, and the other end extends to communicate with the first positioning hole, and a locking piece is provided in one end of the first locking air hole close to the first positioning hole; The base assembly includes an automatic rivet and a base that are fixedly connected; The automatic rivet comprises a positioning cylindrical section, a groove locking section and a sealing section which are arranged in sequence; the positioning cylindrical section is arranged on a side away from the base, the groove locking section is arranged corresponding to an end of the first locking air hole close to the first positioning hole, and the locking member can be pushed into the groove locking section after gas is introduced into the first locking air hole to lock the automatic rivet; the sealing section is used to seal a side of the first positioning hole close to the automatic rivet; One side of the base is fixedly connected to the automatic rivet, and the other side is fixedly connected to the workpiece to be processed.

2. The rapid clamping and positioning device according to claim 1, characterized in that: The automatic pneumatic chuck is fixedly mounted on the workbench through a mounting seat; The mounting seat comprises a mounting seat body and a flange arranged on one side thereof, the flange is provided with a plurality of first inner holes, and the mounting seat is fixed on the workbench through the first inner holes; A plurality of first threaded holes are arranged on one side of the mounting seat body away from the flange, and a second inner hole is arranged at a corresponding position of the automatic pneumatic chuck, so as to fix the automatic pneumatic chuck on the mounting seat by screws; A plurality of second locking air holes and second air leakage holes are correspondingly arranged on the mounting seat. The second locking air holes are communicated with the first locking air holes, and the second air leakage holes are communicated with the first air leakage holes.

3. The rapid clamping and positioning device according to claim 1, characterized in that: The locking piece is a locking steel ball.

4. The rapid clamping and positioning device according to claim 3, characterized in that: A spring is arranged on the side of the locking steel ball away from the first positioning hole. The spring is fixed in the first locking air hole and is used to support the locking steel ball.

5. The rapid clamping and positioning device according to any one of claims 1 to 4, characterized in that: An adapter plate is also provided on the side of the base assembly away from the automatic pneumatic chuck, and a plurality of third inner holes, a plurality of threaded holes and a plurality of positioning pin holes are provided on the adapter plate; the threaded holes are used to connect with the workpiece to be processed; the positioning pin holes are used to position the workpiece; A plurality of fixed thread segments are arranged on one side of the base close to the adapter plate, so that the adapter plate can be fixedly connected to the base by passing bolts through the third inner hole and the fixed thread segments.

6. The rapid clamping and positioning device according to claim 5, characterized in that: A transition section is also provided between the positioning cylindrical section and the groove locking section, and the outer peripheral surface of the transition section is a conical surface or an arc surface.

7. The rapid clamping and positioning device according to claim 6, characterized in that: An annular groove is arranged on the sealing section, and an O-ring is arranged in the annular groove.

8. The rapid clamping and positioning device according to claim 7, characterized in that: A first external thread section is also provided on one side of the sealing section close to the base, and a first internal thread section matching the first external thread section is provided at a corresponding position of the base, thereby achieving a fixed connection between the automatic rivet and the base.

9. The rapid clamping and positioning device according to any one of claims 1 to 4 and 6 to 8, characterized in that: A positioning piece is also connected to a side of the base close to the automatic rivet; The automatic pneumatic chuck is provided with a plurality of positioning bosses on one side close to the positioning sheet, and a plurality of positioning grooves are provided on the positioning sheet, and the positioning bosses can be matched and inserted into the positioning grooves; and / or, A positioning column is arranged on one side of the base close to the positioning sheet, and a plurality of second positioning holes are arranged on the positioning sheet. The positioning column can be matched and inserted into the second positioning holes.

10. The rapid clamping and positioning device according to claim 9, characterized in that: The base assembly also includes a plurality of positioning screws; A plurality of through hole sections are arranged on the positioning plate, and a plurality of second internal thread sections are arranged on a side of the base close to the positioning plate, one end of the positioning screw passes through the through hole section and the second internal thread section in sequence, thereby fixing the positioning plate to the base, and a side of the positioning screw facing away from the positioning plate is used as a positioning surface, which can be abutted and matched with the side of the automatic pneumatic chuck after the base assembly is installed in place.

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