Fixture for three-dimensional scanning of parts

Abstract

The utility model discloses a clamp for three-dimensional scanning of a part, which comprises a scanning turntable, a clamping device, a clamping device and a control device, wherein screw holes are uniformly distributed on the scanning turntable; the at least two groups of flexible adjusting assemblies are detachably and fixedly mounted on the top surface of the scanning turntable through bolts; the supporting screw rod is fixedly arranged at the top of the flexible adjusting assembly; the top end of the supporting screw rod is sleeved with the fixed supporting head in a threaded mode; and the at least one group of clamping and fixing components are detachably and fixedly mounted on the top surface of the scanning turntable through bolts. According to the utility model, two fixing modes of supporting and clamping or clamping and fixing can be selected according to the scanning requirement of the part, and the clamp can be flexibly adjusted according to the structure of the part so as to meet the fixing requirements of parts with different structures, so that the adaptability is excellent, and the scanning quality of the part is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of fixtures, in particular to a fixture used for three-dimensional scanning of parts. Background Art

[0002] After parts with high machining accuracy requirements are processed and formed, especially in the field of automotive sheet metal processing, they need to be scanned and inspected using a 3D blue light scanner. For sheet metal parts with complex structures and large sizes, when performing overall 3D scanning, problems such as incomplete scanning, difficulty in scanning, difficulty in transition and splicing of the upper and lower surfaces after scanning, and missing thin walls of the sheet metal often occur. For this reason, a fixture is now designed to support and clamp such parts to ensure scanning quality. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a fixture for three-dimensional scanning of parts, which can select two fixing methods, namely support clamping or clamping fixation, according to the scanning requirements of the parts, and the fixture can be flexibly adjusted according to the structure of the parts to meet the fixing requirements of parts with different structures. It has excellent adaptability and ensures the scanning quality of the parts.

[0004] The utility model provides a fixture for three-dimensional scanning of parts, comprising:

[0005] A scanning turntable, on which screw holes are evenly distributed;

[0006] At least two sets of flexible adjustment components, which are detachably fixed to the top surface of the scanning turntable by bolts and are used to adjust the position of the support screw according to the punching position of the part so that the support screw is aligned with the punching hole of the part;

[0007] A support screw rod is vertically fixed on the top of the flexible adjustment component;

[0008] A fixed support head, which is threadedly sleeved on the top end of the support screw and is used to support and fix the part through the punching hole of the part;

[0009] At least one clamping and fixing assembly is detachably fixed to the top surface of the scanning turntable by bolts and is used to clamp and fix parts. The clamping and fixing assembly can be flexibly adjusted according to the height of the clamped part of the part.

[0010] Furthermore, the flexible adjustment component includes:

[0011] A first base is detachably fixed to the top surface of the scanning turntable by bolts;

[0012] A first adjusting block is arranged above the first base;

[0013] The second adjusting block is arranged above the first adjusting block; the supporting screw is fixedly arranged on the top of the second adjusting block;

[0014] A first adjustment component, disposed between the first base and the first adjustment block, and used for adjusting the position of the first adjustment block so that the first adjustment block moves relative to the first base along the X-axis direction;

[0015] The second adjusting component is arranged between the first adjusting block and the second adjusting block, and is used for adjusting the position of the second adjusting block so that the second adjusting block moves along the Y-axis direction relative to the first adjusting block.

[0016] Furthermore, the first adjustment component includes a first adjustment screw arranged along the X-axis direction, the top surface of the first base is provided with a first inverted T-shaped slide groove along the X-axis direction, the bottom of the first adjustment block is fixedly provided with a first slider slidably connected to the first slide groove, the first slider is threadedly sleeved with the first adjustment screw, one end of the first adjustment screw is rotatably connected to the first base through a bearing, and the end passes through the first base and is fixedly sleeved with a first handle.

[0017] Furthermore, the second adjustment component includes a second adjustment screw arranged along the Y-axis direction, the top surface of the first adjustment block is provided with an inverted T-shaped second slide groove along the Y-axis direction, the bottom of the second adjustment block is fixedly provided with a second slider slidably connected to the second slide groove, the second slider is threadedly sleeved on the second adjustment screw, one end of the second adjustment screw is rotatably connected to the second adjustment block through a bearing, and the end passes through the second adjustment block and is fixedly sleeved with a second handle.

[0018] Furthermore, the first base, the first adjusting block and the second adjusting block are all made of PLA material.

[0019] Furthermore, the fixed support head includes a support block, the bottom end of the support block is threadedly connected to the top end of the support screw, the fixed end of the support block is fixedly connected with a fixed screw, the fixed screw includes a variety of outer diameter sizes, and a locking nut is threadedly sleeved on the fixed screw.

[0020] Furthermore, the clamping and fixing assembly includes:

[0021] A second base is detachably fixed to the top surface of the scanning turntable by bolts;

[0022] A column, fixedly arranged on the top of the second base;

[0023] A clamping unit, arranged on one side of the column, for clamping and fixing the parts;

[0024] The third adjusting component is arranged between the clamping unit and the column, and is used for adjusting the position of the clamping unit in the vertical direction.

[0025] Furthermore, the clamping unit includes a movable plate arranged on one side of the column, the movable plate has a first support plate fixedly arranged on one end away from the column, and a first clamping plate fixedly arranged on the other end, a second clamping plate is arranged between the first support plate and the first clamping plate, one side of the second clamping plate is slidably connected to the movable plate, a threaded sleeve is fixedly arranged on the plate surface of the second clamping plate away from the first clamping plate, a clamping screw is arranged between the threaded sleeve and the first support plate, one end of the clamping screw is threadedly connected to the threaded sleeve, and the other end passes through the first support plate and is rotatably connected to the first support plate through a bearing, the clamping screw has a third rotary handle fixedly sleeved on one end away from the threaded sleeve, and anti-slip grooves are evenly arranged on the plate surfaces opposite to each other of the first clamping plate and the second clamping plate.

[0026] Furthermore, the third adjusting component includes a third adjusting screw arranged in the vertical direction, an inverted T-shaped third sliding groove is arranged on one side of the column in the vertical direction, a third sliding block is fixedly arranged on one side of the clamping unit and is slidably connected to the third sliding groove, the third sliding block is threadedly sleeved on the third adjusting screw, a second support plate is fixedly arranged on the top of the column, the top end of the third adjusting screw is rotatably connected to the second support plate through a bearing, and the end passes through the second support plate and is fixedly sleeved with a fourth handle.

[0027] Furthermore, the second base and the column are both made of PLA material.

[0028] Compared with the prior art, the beneficial effects of the utility model are:

[0029] The clamp of the utility model includes a scanning turntable, a flexible adjustment component, a support screw, a fixed support head and a clamping and fixing component. By using the flexible adjustment component, the support screw and the fixed support head in conjunction with the scanning turntable or by using the clamping and fixing component in conjunction with the scanning turntable, it is possible to complete the scanning task of various structural parts with excellent adaptability. The end faces of the parts fixed by the clamp are all in a supported state, and the parts are not in direct contact with the scanning turntable, which can effectively avoid the problem of irregular shaking of the parts due to the rotation of the scanning turntable during the scanning process. The accuracy of three-dimensional blue light scanning of parts is improved, and most of the problems that the parts are too thin and the features are not obvious when using blue light scanning, making it difficult to splice and prone to errors during splicing are solved. The success rate and overall scanning accuracy of three-dimensional blue light scanning are improved, and the scanning quality of parts is ensured.

[0030] At the same time, most of the parts of the fixture are made of PLA material by 3D printing technology, which has a low manufacturing cost. The overall structure of the fixture assembly is a purely mechanical structure, which is easier to manufacture, its damaged parts are easy to replace, the failure rate is low, it is safe and reliable, energy-saving and environmentally friendly, and easy to operate.

[0031] It should be understood that the contents described in the utility model summary are not intended to limit the key or important features of the embodiments of the utility model, nor are they intended to limit the scope of the utility model. Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0033] Figure 1 It is a schematic diagram of the structure of the scanning turntable;

[0034] Figure 2 is a structural schematic diagram of a flexible adjustment component;

[0035] Figure 3 It is a structural schematic diagram of the flexible adjustment component installed on the scanning turntable;

[0036] Figure 4 It is a schematic diagram of the structure of the clamping and fixing assembly;

[0037] Figure 5 It is a schematic diagram of the structure of the clamping and fixing components installed on the scanning turntable.

[0038] Numbers in the figure:

[0039] 1. Scanning turntable; 2. Flexible adjustment component; 3. Support screw; 4. Fixed support head; 5. Clamping and fixing component;

[0040] 11. Screw hole;

[0041] 21. first base; 22. first adjustment block; 23. second adjustment block; 24. first adjustment screw; 25. first slide groove; 26. first slider; 27. first rotary handle; 28. second adjustment screw; 29. ​​second slide groove; 210. second slider; 211. second rotary handle;

[0042] 41. Support block; 42. Fixing screw;

[0043] 51. Second base; 52. Vertical column; 53. Moving plate; 54. First supporting plate; 55. First clamping plate; 56. Second clamping plate; 57. Threaded sleeve; 58. Clamping screw; 59. Third rotary handle; 510. Anti-slip groove; 511. Third adjusting screw; 512. Third sliding groove; 513. Second supporting plate; 514. Fourth rotary handle. DETAILED DESCRIPTION

[0044] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings.

[0045] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0046] Please refer to Figure 1 to Figure 4 , an embodiment of the utility model provides a fixture for three-dimensional scanning of parts, comprising:

[0047] A scanning turntable 1, on which screw holes 11 are evenly distributed;

[0048] At least two sets of flexible adjustment components 2, which are detachably fixed to the top surface of the scanning turntable 1 by bolts, and are used to adjust the position of the support screw 3 according to the punching position of the part, so that the support screw 3 is aligned with the punching hole of the part;

[0049] A support screw 3 is vertically fixed on the top of the flexible adjustment component 2;

[0050] A fixed support head 4 is threadedly sleeved on the top of the support screw 3 and is used to support and fix the part through the punching hole;

[0051] At least one set of clamping and fixing components 5 is detachably fixed on the top surface of the scanning turntable 1 by bolts, and is used to clamp and fix parts. The clamping and fixing components 5 can be flexibly adjusted according to the height of the clamped part of the part.

[0052] In this embodiment, the clamp of the present application provides two fixing methods for different parts. One is a multi-point flexible clamp formed by the flexible adjustment component 2, the support screw 3 and the fixed support head 4 in conjunction with the scanning turntable 1, such as Figure 3 The other is a vertical flexible fixture formed by the clamping and fixing assembly 5 and the scanning turntable 1, such as Figure 5 As shown in the figure, it can complete the scanning tasks of various structural parts and has excellent adaptability.

[0053] For parts with many punching holes, when performing 3D blue light scanning on them, firstly, according to the distribution position of the punching holes, each flexible adjustment component 2 is fixedly installed to the corresponding position on the scanning turntable 1. Preferably, 3-4 sets of flexible adjustment components 2 are used to ensure the stability of the support and fixation of the parts.

[0054] Then, the position of the support screw 3 on the top is adjusted by the flexible adjustment component 2 so that it is aligned with the punching hole of the part. The flexible adjustment component 2 can realize flexible adjustment, that is, the support screw 3 can be adjusted to any point within its adjustment range. After the position adjustment of the support screw 3 is completed, the part is supported and fixed by the fixed support head 4, and the clamping and fixing of the part is completed, which is convenient to operate and firmly fixed.

[0055] When performing a three-dimensional blue light scan on a part with few or no punching holes, first fix the clamping and fixing assembly 5 on the scanning turntable 1. Then adjust the height of the part clamped by the clamping and fixing assembly 5 according to the part suitable for clamping. The clamping and fixing assembly 5 can be flexibly adjusted, that is, it can be adjusted to any height within the adjustment stroke range. Then, the part is clamped and fixed by the clamping and fixing assembly 5, which is convenient to operate and firmly fixed.

[0056] The end faces of the parts fixed by the clamp are all in a supported state, and the parts are not in direct contact with the scanning turntable 1, which can effectively avoid the problem of irregular shaking of the parts due to the rotation of the scanning turntable 1 during the scanning process. The accuracy of the three-dimensional blue-light scanning of the parts is improved, and most of the problems of difficult splicing and easy errors during splicing due to the thin thickness of the parts and unclear features when using blue-light scanning are solved. The success rate and overall scanning accuracy of the three-dimensional blue-light scanning are improved, and the scanning quality of the parts is ensured.

[0057] In a preferred embodiment, if Figure 2 and Figure 3 As shown, the flexible adjustment component 2 includes:

[0058] The first base 21 is detachably fixed to the top surface of the scanning turntable 1 by bolts;

[0059] A first adjusting block 22 is disposed above the first base 21;

[0060] The second adjusting block 23 is arranged above the first adjusting block 22; the supporting screw 3 is fixedly arranged on the top of the second adjusting block 23;

[0061] A first adjustment component is disposed between the first base 21 and the first adjustment block 22, and is used to adjust the position of the first adjustment block 22 so that the first adjustment block 22 moves relative to the first base 21 along the X-axis direction;

[0062] The second adjustment component is disposed between the first adjustment block 22 and the second adjustment block 23 , and is used to adjust the position of the second adjustment block 23 so that the second adjustment block 23 moves relative to the first adjustment block 22 along the Y-axis direction.

[0063] In this embodiment, the position of the first adjustment block 22 can be adjusted in the X-axis direction through the first adjustment component, and the position of the second adjustment block 23 can be adjusted in the Y-axis direction relative to the first adjustment block 22 through the second adjustment component. The X-axis direction is any horizontal direction, and the Y-axis direction is a horizontal direction perpendicular to the X-axis direction. Through the cooperation of the first base 21, the first adjustment block 22, the second adjustment block 23, the first adjustment component and the second adjustment component, the support screw 3 can be adjusted to any position within the adjustment range, that is, flexible adjustment is achieved, which effectively improves the convenience of the part clamping and fixing operation.

[0064] In a preferred embodiment, if Figure 2 As shown, the first adjustment component includes a first adjustment screw 24 arranged along the X-axis direction, the top surface of the first base 21 is provided with an inverted T-shaped first slide groove 25 along the X-axis direction, the bottom of the first adjustment block 22 is fixedly provided with a first slider 26 slidably connected to the first slide groove 25, the first slider 26 is threadedly sleeved with the first adjustment screw 24, one end of the first adjustment screw 24 is rotatably connected to the first base 21 through a bearing, and the end passes through the first base 21 and is fixedly sleeved with a first handle 27.

[0065] In this embodiment, the first adjusting screw 24 can be rotated by the first rotating handle 27 to drive the first slider 26 to move back and forth along the first sliding groove 25, thereby realizing the position adjustment of the supporting screw 3 in the X-axis direction, and the operation is very convenient.

[0066] In a preferred embodiment, if Figure 2 As shown, the second adjustment component includes a second adjustment screw 28 arranged along the Y-axis direction, the top surface of the first adjustment block 22 is provided with an inverted T-shaped second slide groove 29 along the Y-axis direction, the bottom of the second adjustment block 23 is fixedly provided with a second slider 210 slidably connected to the second slide groove 29, the second slider 210 is threadedly sleeved with the second adjustment screw 28, one end of the second adjustment screw 28 is rotatably connected to the second adjustment block 23 through a bearing, and the end passes through the second adjustment block 23 and is fixedly sleeved with a second handle 211.

[0067] In this embodiment, the second adjusting screw 28 is rotated by the second rotary handle 211 to drive the second slider 210 to move back and forth along the second slide groove 29, thereby realizing the position adjustment of the supporting screw 3 in the Y-axis direction, and the operation is very convenient.

[0068] In a preferred embodiment, the first base 21, the first adjustment block 22 and the second adjustment block 23 are all made of PLA material, which has low manufacturing cost and is energy-saving and environmentally friendly.

[0069] In a preferred embodiment, if Figure 2 and Figure 3 As shown, the fixed support head 4 includes a support block 41, the bottom end of the support block 41 is threadedly connected to the top end of the support screw 3, and the fixed end of the support block 41 is fixedly connected with a fixed screw 42. The fixed screw 42 includes a variety of outer diameter sizes, and a locking nut is threadedly sleeved on the fixed screw 42.

[0070] In this embodiment, the fixed support head 4 includes a structure equipped with fixed screws 42 of various sizes, and the corresponding fixed support head 4 can be selected according to the punching size of the part. When installing the part, the fixed screw 42 is passed through the punching hole of the part, and then the support block 41 is rotated to adjust the connection length between it and the support screw 3, so that the support block 41 is supported at the bottom of the part, and then the part is locked and fixed by the locking nut, thereby realizing multi-point support of the part, convenient installation, and stable fixation.

[0071] In a preferred embodiment, if Figure 4 and Figure 5 As shown, the clamping and fixing assembly 5 includes:

[0072] The second base 51 is detachably fixed to the top surface of the scanning turntable 1 by bolts;

[0073] A column 52, fixedly disposed on the top of the second base 51;

[0074] A clamping unit, disposed on one side of the column 52, for clamping and fixing the parts;

[0075] The third adjusting assembly is disposed between the clamping unit and the column 52 and is used to adjust the position of the clamping unit in the vertical direction.

[0076] In this embodiment, the clamping and fixing assembly 5 is preferably installed on one side of the top surface of the scanning turntable 1 so that the clamped and fixed parts are located in the middle of the top surface of the scanning turntable 1 to ensure the stability of the scanning turntable 1 during rotation.

[0077] According to the part on the part that is suitable for clamping, the height of the clamping unit is adjusted by the third adjusting component, and then the part is clamped and fixed by the clamping unit, which is convenient to operate and firmly fixed.

[0078] In a preferred embodiment, if Figure 4As shown, the clamping unit includes a movable plate 53 arranged on one side of the column 52, a first supporting plate 54 is fixedly arranged on one end of the movable plate 53 away from the side of the column 52, and a first clamping plate 55 is fixedly arranged on the other end, a second clamping plate 56 is arranged between the first supporting plate 54 and the first clamping plate 55, one side of the second clamping plate 56 is slidably connected with the movable plate 53, a threaded sleeve 57 is fixedly arranged on the plate surface of the second clamping plate 56 away from the first clamping plate 55, a clamping screw 58 is arranged between the threaded sleeve 57 and the first supporting plate 54, one end of the clamping screw 58 is threadedly connected with the threaded sleeve 57, and the other end passes through the first supporting plate 54 and is rotatably connected with the first supporting plate 54 through a bearing, a third rotary handle 59 is fixedly sleeved on one end of the clamping screw 58 away from the threaded sleeve 57, and anti-slip grooves 510 are evenly distributed on the plate surfaces opposite to each other of the first clamping plate 55 and the second clamping plate 56.

[0079] In this embodiment, after the movable plate 53 is adjusted to a suitable height by the third adjusting component, the thin-walled part is erected on the scanning turntable 1 so that the part suitable for being clamped is embedded between the first clamping plate 55 and the second clamping plate 56, and then the clamping screw 58 is rotated by the third rotating handle 59 to clamp and fix the part by the first clamping plate 55 and the second clamping plate 56, which is convenient to operate and firmly fixed.

[0080] In a preferred embodiment, if Figure 4 As shown, the third adjustment component includes a third adjustment screw 511 arranged in the vertical direction, an inverted T-shaped third slide groove 512 is arranged on one side of the column 52 in the vertical direction, a third slider slidably connected to the third slide groove 512 is fixedly arranged on one side of the clamping unit, the third slider is threadedly sleeved on the third adjustment screw 511, a second support plate 513 is fixedly arranged on the top of the column 52, the top of the third adjustment screw 511 is rotatably connected to the second support plate 513 through a bearing, and the end passes through the second support plate 513 and is fixedly sleeved with a fourth handle 514.

[0081] In this embodiment, the third adjusting screw 511 can be rotated by the fourth rotating handle 514 to drive the third sliding block to move up and down along the third sliding groove 512, thereby realizing the position adjustment of the clamping unit in the vertical direction, and the operation is very convenient.

[0082] In a preferred embodiment, the second base 51 and the column 52 are both made of PLA material, which has low manufacturing cost and is energy-saving and environmentally friendly.

[0083] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0084] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0085] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fixture for three-dimensional scanning of parts, characterized in that: include: A scanning turntable (1) having screw holes (11) evenly distributed thereon; At least two sets of flexible adjustment components (2), the flexible adjustment components (2) are detachably fixed to the top surface of the scanning turntable (1) by bolts, and are used to adjust the position of the support screw rod (3) according to the punching position of the part, so that the support screw rod (3) is aligned with the punching hole of the part; A support screw (3) is vertically fixed on the top of the flexible adjustment component (2); A fixed support head (4) is threadedly sleeved on the top end of the support screw (3) and is used to support and fix the part through the punching hole of the part; At least one group of clamping and fixing components (5), wherein the clamping and fixing components (5) are detachably fixed to the top surface of the scanning turntable (1) by bolts and are used to clamp and fix parts. The clamping and fixing components (5) can be flexibly adjusted according to the height of the clamped part of the part.

2. The fixture for three-dimensional scanning of parts according to claim 1, characterized in that: The flexibility adjustment component (2) comprises: A first base (21) is detachably fixed to the top surface of the scanning turntable (1) by means of bolts; A first adjustment block (22) is arranged above the first base (21); The second adjusting block (23) is arranged above the first adjusting block (22); the supporting screw (3) is fixedly arranged on the top of the second adjusting block (23); a first adjustment component, arranged between the first base (21) and the first adjustment block (22), and used for adjusting the position of the first adjustment block (22) so as to move the first adjustment block (22) relative to the first base (21) along the X-axis direction; The second adjustment component is arranged between the first adjustment block (22) and the second adjustment block (23), and is used to adjust the position of the second adjustment block (23) so that it moves along the Y-axis direction relative to the first adjustment block (22).

3. The fixture for three-dimensional scanning of parts according to claim 2, characterized in that: The first adjustment component comprises a first adjustment screw (24) arranged along the X-axis direction, a top surface of the first base (21) is provided with an inverted T-shaped first slide groove (25) along the X-axis direction, a first slider (26) slidably connected to the first slide groove (25) is fixedly provided at the bottom of the first adjustment block (22), the first slider (26) is threadedly sleeved with the first adjustment screw (24), one end of the first adjustment screw (24) is rotatably connected to the first base (21) through a bearing, and the end passes through the first base (21) and is fixedly sleeved with a first rotary handle (27).

4. The fixture for three-dimensional scanning of parts according to claim 2, characterized in that: The second adjustment component comprises a second adjustment screw (28) arranged along the Y-axis direction, a top surface of the first adjustment block (22) is provided with an inverted T-shaped second slide groove (29) along the Y-axis direction, a second slider (210) slidably connected to the second slide groove (29) is fixedly provided at the bottom of the second adjustment block (23), the second slider (210) is threadedly sleeved with the second adjustment screw (28), one end of the second adjustment screw (28) is rotatably connected to the second adjustment block (23) through a bearing, and the end passes through the second adjustment block (23) and is fixedly sleeved with a second rotary handle (211).

5. The fixture for three-dimensional scanning of parts according to claim 2, characterized in that: The first base (21), the first adjustment block (22) and the second adjustment block (23) are all made of PLA material.

6. The fixture for three-dimensional scanning of parts according to claim 1, characterized in that: The fixed support head (4) comprises a support block (41), the bottom end of the support block (41) is threadedly connected to the top end of the support screw (3), the fixed end of the support block (41) is fixedly connected to a fixed screw (42), the fixed screw (42) comprises a variety of outer diameter sizes, and a locking nut is threadedly sleeved on the fixed screw (42).

7. The fixture for three-dimensional scanning of parts according to claim 1, characterized in that: The clamping and fixing assembly (5) comprises: A second base (51) is detachably fixed to the top surface of the scanning turntable (1) by means of bolts; A column (52) fixedly disposed on the top of the second base (51); A clamping unit, arranged on one side of the column (52), for clamping and fixing parts; A third adjustment component is arranged between the clamping unit and the column (52) and is used to adjust the position of the clamping unit in the vertical direction.

8. The fixture for three-dimensional scanning of parts according to claim 7, characterized in that: The clamping unit comprises a movable plate (53) arranged on one side of the column (52); a first supporting plate (54) is fixedly arranged on one end of the movable plate (53) away from the column (52); a first clamping plate (55) is fixedly arranged on the other end; a second clamping plate (56) is arranged between the first supporting plate (54) and the first clamping plate (55); one side of the second clamping plate (56) is slidably connected to the movable plate (53); a screw is fixedly arranged on the plate surface of the second clamping plate (56) away from the first clamping plate (55); A threaded sleeve (57), a clamping screw (58) is arranged between the threaded sleeve (57) and the first support plate (54), one end of the clamping screw (58) is threadedly connected to the threaded sleeve (57), and the other end passes through the first support plate (54) and is rotatably connected to the first support plate (54) through a bearing, one end of the clamping screw (58) away from the threaded sleeve (57) is fixedly sleeved with a third rotary handle (59), and anti-slip grooves (510) are evenly distributed on the opposite plate surfaces of the first clamping plate (55) and the second clamping plate (56).

9. The fixture for three-dimensional scanning of parts according to claim 7, characterized in that: The third adjustment component comprises a third adjustment screw (511) arranged in the vertical direction, a third inverted T-shaped sliding groove (512) is arranged on one side of the column (52) in the vertical direction, a third sliding block slidably connected to the third sliding groove (512) is fixedly arranged on one side of the clamping unit, and the third sliding block is threadedly sleeved with the third adjustment screw (511), a second support plate (513) is fixedly arranged on the top end of the column (52), the top end of the third adjustment screw (511) is rotatably connected to the second support plate (513) through a bearing, and the end passes through the second support plate (513) and is fixedly sleeved with a fourth rotary handle (514).

10. The fixture for three-dimensional scanning of parts according to claim 7, characterized in that: The second base (51) and the column (52) are both made of PLA material.

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