Auxiliary measuring tool for V-shaped supporting block and cylindrical product

Abstract

The utility model discloses a V-shaped supporting block and an auxiliary measuring tool of a cylindrical product, and belongs to the technical field of measuring equipment, the V-shaped supporting block comprises a supporting block main body, the supporting surface of the supporting block main body is recessed to form a V-shaped groove, and the inner wall surfaces of the two groove walls of the V-shaped groove form two positioning surfaces; a base plate is included; a guide groove is formed in the positioning surface and extends from the groove opening of the V-shaped groove to the groove bottom along the groove wall; the side face, facing the positioning face, of the base plate is provided with an outwards-protruding guide table, and the guide table is connected with the guide groove in a sliding mode. The auxiliary measuring tool for the cylindrical product comprises a fixed supporting seat and a movable supporting seat, the V-shaped supporting blocks are adopted in the fixed supporting base and the movable supporting base. The V-shaped supporting block is simple and reasonable in structure, and can be suitable for different cylindrical products to be detected by replacing the base plate; the V-shaped supporting block is applied to the auxiliary measuring tool of the cylindrical product, so that the application range is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring equipment, and particularly relates to a V-shaped support block and an auxiliary measuring tooling for cylindrical products. Background Art

[0002] Cylindrical products can generally be divided into straight cylinders and stepped cylinders. During the production process of cylindrical products, it is necessary to measure them to meet the requirements of processing dimensions and processing accuracy. When measuring a cylindrical product, for example, when measuring the two end faces of a cylindrical product, since the outer side of the cylindrical product is a cylindrical surface, it will roll after being stressed, which is unsafe during measurement. In the prior art, generally, a V-shaped support block or a semi-circular support block is used to position and support the cylindrical product. However, due to the deviation of the surface quality and processing accuracy of the cylindrical product after processing, if there is a deviation in cylindricity, the existing method of using two fixed V-shaped support blocks for support has a poor effect; at the same time, since both of the two V-shaped support blocks are fixed, the length distance cannot be adjusted, and the applicability to cylindrical products of different lengths is also poor, the adjustment is troublesome and the efficiency is low. Summary of the Invention

[0003] Regarding the problems existing in the prior art, the utility model provides a V-shaped support block and an auxiliary measuring tooling for cylindrical products. The V-shaped support block has a simple structure and strong applicability, and the auxiliary measuring tooling for cylindrical products can achieve accurate and stable support, with a wide range of uses.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] On the one hand, the utility model provides a V-shaped support block, which includes a support block main body. The support surface of the support block main body is concaved into a V-shaped groove, and the inner wall surfaces of the two groove walls of the V-shaped groove form two positioning surfaces; it also includes a backing plate;

[0006] A guiding groove is provided on the positioning surface, and the guiding groove extends from the notch of the V-shaped groove to the bottom of the groove along the groove wall;

[0007] An outwardly convex guiding platform is provided on the side surface of the backing plate facing the positioning surface, and the guiding platform is slidably connected with the guiding groove.

[0008] In the above-mentioned V-shaped support block, the material of the backing plate is aluminum;

[0009] And / or, the extending direction of the guiding groove is perpendicular to the extending direction of the V-shaped groove;

[0010] And / or, a stop block is arranged at the inner end of the guiding groove;

[0011] And / or, in the extending direction of the V-shaped groove, a plurality of baffles are provided on at least one side surface of the support block body.

[0012] In the above-mentioned V-shaped support block, a cushion block is further included; a plurality of the insertion holes are provided on the cushion plate, and a plurality of positioning protrusions are provided on the mating surface of the cushion block and the cushion plate, and the positioning protrusions are inserted into the insertion holes in one-to-one correspondence.

[0013] On the other hand, the present invention provides an auxiliary measurement tooling for cylindrical products, including a fixed support seat and a movable support seat arranged in parallel and at intervals; both the fixed support seat and the movable support seat adopt the above-mentioned V-shaped support block.

[0014] In the above-mentioned auxiliary measurement tooling for cylindrical products, an adjustment support mechanism is further included, and the adjustment support mechanism includes a load-bearing base, a transverse guide rail and a fine adjustment structure;

[0015] The transverse guide rail is arranged on the load-bearing base, and a transverse slider is slidably arranged on the transverse guide rail; the movable support seat is connected to the transverse slider;

[0016] The fine adjustment structure includes a fine adjustment base, a fine adjustment connecting seat, a first adjusting member and a second adjusting member; the fine adjustment base is arranged on the load-bearing base, the first adjusting member and the second adjusting member are installed on the fine adjustment base, and the fine adjustment connecting seat connects the first adjusting member and the movable support seat;

[0017] By applying a pulling force parallel to the transverse guide rail on the fine adjustment connecting seat through the first adjusting member, and applying a pushing force parallel to the transverse guide rail on the fine adjustment connecting seat through the second adjusting member, the position of the movable support seat is fixed.

[0018] In the above-mentioned auxiliary measurement tooling for cylindrical products, both the first adjusting member and the second adjusting member have external threads, two threaded holes are provided on the fine adjustment base, and the first adjusting member and the second adjusting member are respectively threadedly connected to the two threaded holes; one end of the first adjusting member extends out of the fine adjustment base and is rotatably connected to the fine adjustment connecting seat; one end of the second adjusting member extends out of the fine adjustment base and abuts against the fine adjustment connecting seat.

[0019] In the above-mentioned auxiliary measurement tooling for cylindrical products, a base support mechanism is further included, and the base support mechanism includes a bottom plate, a longitudinal guide rail and a longitudinal drive assembly;

[0020] The fixed support seat is fixed on the bottom plate;

[0021] The longitudinal guide rail is fixedly installed on the bottom plate, and the extending direction of the longitudinal guide rail is consistent with the extending direction of the V-shaped groove on the fixed support seat; a longitudinal slider which is matched with the longitudinal guide rail is slidably arranged on the longitudinal guide rail;

[0022] The movable support seat is connected with the longitudinal slider, and moves close to or away from the fixed support seat under the control of the longitudinal driving component.

[0023] In the above-mentioned auxiliary measuring tooling for cylindrical products, the longitudinal driving component includes a longitudinal servo motor, a ball screw and a lead screw nut;

[0024] The ball screw is rotatably installed on the bottom plate;

[0025] The longitudinal servo motor is fixedly installed on the bottom plate and is in transmission connection with the ball screw;

[0026] The lead screw nut is slidably arranged on the bottom plate and is in threaded connection with the ball screw; the lead screw nut is connected with the movable support seat; when the ball screw rotates, the movable support seat can move close to or away from the fixed support seat longitudinally.

[0027] In the above-mentioned auxiliary measuring tooling for cylindrical products, a chute is arranged at the position corresponding to the ball screw on the bottom plate, and the lead screw nut is slidably arranged in the chute.

[0028] In the above-mentioned auxiliary measuring tooling for cylindrical products, a lifting mechanism is further included, and the lifting mechanism includes a lifting plate, a lifting component and a lifting guiding component; the lifting component and the lifting guiding component are arranged on the lifting plate; the lifting component is connected with the movable support seat and drives the movable support seat to lift; the lifting guiding component supports and guides when the movable support seat lifts.

[0029] The beneficial effects of the utility model are shown in:

[0030] 1) The V-shaped support block has a simple and reasonable structure, and can be made applicable to different cylindrical products to be measured by replacing the backing plate, and the operation is convenient;

[0031] 2) The above-mentioned V-shaped support block is applied to the auxiliary measuring tooling for cylindrical products, and the use range is expanded;

[0032] 3) The auxiliary measuring tooling for cylindrical products can replace the backing plate or adjust the longitudinal and transverse positions of the movable support seat according to the cylindrical products to be measured, so as to realize stable and accurate support for different cylindrical products; the cylindrical products can stably fall in the tooling, and the measurement operation is very safe;

[0033] 4) The adjustment of the movable support base can be automated without human participation, reducing the auxiliary time. No adjustment is required in batches, and the efficiency is high.

[0034] 5) The application of the auxiliary measurement tooling for cylindrical products ensures the flatness of both ends of the cylindrical products. Brief Description of the Drawings

[0035] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the V-shaped support block of the present utility model;

[0036] Figure 2 It is a schematic diagram of the overall structure of the second embodiment of the V-shaped support block of the present utility model;

[0037] Figure 3 It is a schematic diagram of the structure of the cushion block in the V-shaped support block of the present utility model;

[0038] Figure 4 It is a schematic diagram of the overall structure of an embodiment of the auxiliary measurement tooling for cylindrical products of the present utility model;

[0039] Figure 5 It is a schematic diagram of the structure of the base support mechanism in the auxiliary measurement tooling for cylindrical products of the present utility model;

[0040] Figure 6 It is a schematic diagram of the structure of the adjustment support mechanism in the auxiliary measurement tooling for cylindrical products of the present utility model;

[0041] Figure 7 It is a partial enlarged view of the adjustment support mechanism in the auxiliary measurement tooling for cylindrical products of the present utility model;

[0042] Figure 8 It is a schematic diagram of the structure of the lifting mechanism in the auxiliary measurement tooling for cylindrical products of the present utility model;

[0043] Figure 9 It is a schematic diagram of the supporting state of the first part by the auxiliary measurement tooling for cylindrical products of the present utility model;

[0044] Figure 10 It is a schematic diagram of the supporting state of the second part by the auxiliary measurement tooling for cylindrical products of the present utility model;

[0045] Figure 11 It is a schematic diagram of the supporting state of the third part by the auxiliary measurement tooling for cylindrical products of the present utility model.

[0046] In the figure:

[0047] 1-V-shaped support block; 101-support block body; 102-backing plate; 103-insertion hole; 104-guiding platform; 105-stop block; 106-guiding groove; 107-baffle plate; 108-spacer block; 109-positioning projection;

[0048] 2-adjusting support mechanism; 201-lower seat plate; 202-partition plate; 203-upper seat plate; 204-second adjusting part; 205-fine adjustment base; 206-first adjusting part; 207-lateral slider; 208-lateral guide rail; 209-avoidance hole; 210-fine adjustment connecting seat;

[0049] 3-lifting mechanism; 301-lifting plate; 302-lift; 303-lifting motor; 304-guiding column; 305-linear bearing;

[0050] 4-base support mechanism; 401-bottom plate; 402-longitudinal servo motor; 403-longitudinal guide rail; 404-ball screw; 405-screw nut; 406-longitudinal slider; 407-chute;

[0051] 5-fixed support seat; 6-movable support seat; 7-first part; 8-second part; 9-third part. Specific implementation manner

[0052] For the convenience of those skilled in the art to understand, the following further describes the present utility model with reference to the accompanying drawings.

[0053] In the first aspect, please refer to Figures 1-3 , an embodiment of the V-shaped support block 1 provided by the present utility model includes a support block body 101. The support surface of the support block body 101 is concaved into a V-shaped groove. The inner wall surfaces of the two groove walls of the V-shaped groove form two positioning surfaces. A backing plate 102 is detachably arranged on the positioning surface. According to actual use and processing requirements, the support block body 101 can be an integral structure or assembled by two or more structures. The material of the backing plate 102 is preferably aluminum. The aluminum material not only has a certain strength to ensure the surface quality of its support surface; at the same time, since the aluminum material is softer than other metal materials, it can also prevent the product to be measured from being knocked. A guiding groove 106 is arranged on the positioning surface. The guiding groove 106 extends along the groove wall and extends from the groove opening of the V-shaped groove to the groove bottom. An outwardly convex guiding platform 104 is arranged on the side of the backing plate 102 facing the positioning surface. The guiding platform 104 is slidably matched with the guiding groove 106 to position the backing plate 102. The extending direction of the guiding groove 106 forms a certain angle with the extending direction of the V-shaped groove, preferably perpendicular. Since the positioning surface is inclined with one side low and the other side high, combined with the cooperation, positioning and limiting of the guiding groove 106 and the guiding platform 104, the backing plate 102 can be directly placed on the positioning surface without being fixed.

[0054] Set that one end of the guiding groove 106 at the notch of the V-shaped groove is the outer end, and the end adjacent to the groove bottom is the inner end. A stop block 105 is provided between the two backing plates 102. The stop block 105 is arranged at the inner end of the guiding groove 106 to position the backing plate 102. The stop blocks 105 blocking the inner ends of the two guiding grooves 106 can be Figure 1 the integral structure shown, or can be as Figure 2 the split structure shown.

[0055] To improve the applicability of the V-shaped support block 1, the V-shaped support block 1 further includes a spacer block 108; a plurality of insertion holes 103 are provided on the backing plate 102. As Figure 3 shown, a plurality of positioning protrusions 109 are provided on the mating surface of the spacer block 108 and the backing plate 102. The positioning protrusions 109 correspond to the insertion holes 103 one by one; during application, the positioning protrusions 109 are inserted into the insertion holes 103. By using different spacer blocks 108 in combination, the V-shaped support block 1 can support and position cylindrical products with different outer diameters. The positioning protrusions 109 can be integrally processed with the spacer block 108, or a pin shaft can be used and fixed to the spacer block 108.

[0056] Furthermore, in the extending direction of the V-shaped groove, a plurality of baffle plates 107 are provided on at least one side surface of the support block body 101 to assist in positioning the backing plate 102; especially when the backing plate 102 and the spacer block 108 are used in combination, the spacer block 108 can be positioned and supported. In actual application, the baffle plates 107 avoid the positions where the backing plate 102 or the spacer block 108 contact the parts to be supported and positioned, so as not to affect the use.

[0057] On the other hand, please refer to Figures 4-8 , which is an embodiment of an auxiliary measuring tooling for a cylindrical product provided by the present utility model, including a base support mechanism 4, an adjustment support mechanism 2, a lifting mechanism 3, a fixed support seat 5 and a moving support seat 6. The fixed support seat 5 and the moving support seat 6 adopt the aforementioned V-shaped support block 1; the fixed support seat 5 is fixedly installed on the base support mechanism 4 with a fixed and immovable position; the moving support seat 6 is adjustably arranged on the base support mechanism 4 through the adjustment support mechanism 2; the moving support seat 6 can be adjusted relative to the fixed support seat 5, specifically by adjusting the distance between the two in the longitudinal direction and the relative position in the transverse direction, so as to adapt to the positioning and support of different cylindrical products, thereby assisting in measurement.

[0058] Please refer to Figure 4The base support mechanism 4 includes a bottom plate 401, a longitudinal guide rail 403 and a longitudinal drive assembly, and the fixed support seat 5 is fixed on the bottom plate 401. The longitudinal guide rail 403 is fixedly mounted on the bottom plate 401, and the extension direction of the longitudinal guide rail 403 is consistent with the extension direction of the V-shaped groove on the fixed support seat 5; two longitudinal guide rails 403 are arranged on the bottom plate 401, and the two longitudinal guide rails 403 cooperate with each other, and the guiding precision is high. The longitudinal guide rail 403 is slidably provided with a longitudinal slider 406 used in conjunction with it, and the number of each longitudinal slider 406 can be one, or two, or multiple sliders can be set according to actual use needs. The adjustment support mechanism 2 is fixedly connected to the longitudinal slider 406 and moves synchronously with the longitudinal slider 406. The longitudinal drive assembly is connected to the adjustment support mechanism 2 or the longitudinal slider 406, and drives the adjustment support mechanism 2 to move along the longitudinal guide rail 403.

[0059] As an embodiment of the longitudinal drive assembly, it includes a longitudinal servo motor 402, a ball screw 404 and a screw nut 405; wherein the ball screw 404 is rotatably mounted on the base plate 401, and preferably both ends of the ball screw 404 have supports, so as to have good transmission stability. The longitudinal servo motor 402 is fixedly mounted on the base plate 401, and is in transmission connection with the ball screw 404 to drive the ball screw 404 to rotate. The screw nut 405 is slidably arranged on the base plate 401, and is threadedly connected with the ball screw 404; when the ball screw 404 rotates, the screw nut 405 can move closer to the fixed support seat 5, or away from the fixed support seat 5; the longitudinal servo motor 402 and the ball screw 404 can provide high-precision positioning, reduce wear, and ensure accuracy for a long time.

[0060] The longitudinal drive assembly may also use other drive elements such as a cylinder, a hydraulic cylinder, etc., but the control accuracy is not as good as the matching solution of the longitudinal servo motor 402 and the ball screw 404.

[0061] Furthermore, a slide groove 407 is provided at the position corresponding to the bottom plate 401 and the ball screw 404, and the screw nut 405 is slidably arranged in the slide groove 407. In this way, only the slide groove 407 can be finely processed to ensure the transmission accuracy, without processing the entire upper surface of the bottom plate 401, thereby reducing the processing and production costs; and the transmission accuracy of the longitudinal drive assembly can also be improved.

[0062] Please refer to Figure 5, the adjustment support mechanism 2 includes a load-bearing base, a transverse guide rail 208, and a fine-tuning structure. The load-bearing base is a welded part, designed according to the product weight, mainly for load-bearing and connection functions. For example, the load-bearing base includes a lower seat plate 201, an upper seat plate 203, and several partition plates 202; the number of the lower seat plate 201 and the upper seat plate 203 is one each, and they are arranged vertically and parallel to each other; several partition plates 202 are distributed between the upper seat plate 203 and the lower seat plate 201, and the partition plates 202 are fixedly connected to both the upper seat plate 203 and the lower seat plate 201. Among them, the lower seat plate 201 is fixedly connected to the lead screw nut 405 and the longitudinal slider 406, so as to move longitudinally under the drive of the longitudinal servo motor 402.

[0063] The transverse guide rail 208 is arranged on the upper seat plate 203, the transverse guide rail 208 extends horizontally and is perpendicular to the longitudinal guide rail 403. The number of the transverse guide rails 208 is two, and the two transverse guide rails 208 are parallel and arranged at intervals; several transverse sliders 207 are slidably arranged on the transverse guide rail 208. Similarly, the number of the transverse sliders 207 on each transverse guide rail 208 can be selected according to actual use needs. The lifting mechanism 3 is fixedly connected to the transverse slider 207 and moves synchronously. An avoidance hole 209 is arranged on the upper seat plate 203, and the avoidance hole 209 is located between the two transverse guide rails 208; in this way, sufficient and reasonable installation space is provided for the lifting mechanism 3.

[0064] The fine-tuning structure is located at one end of the transverse guide rail 208, which is convenient for adjustment operations. The fine-tuning structure includes a fine-tuning base 205, a fine-tuning connection seat 210, a first adjusting member 206, and a second adjusting member 204. Among them, the fine-tuning base 205 is fixedly installed on the upper seat plate 203 to provide installation and support for the first adjusting member 206 and the second adjusting member 204; the fine-tuning connection seat 210 connects the first adjusting member 206 and the lifting mechanism 3, and a pulling force parallel to the transverse guide rail 208 is applied to the fine-tuning connection seat 210 through the first adjusting member 206, and a pushing force parallel to the transverse guide rail 208 is applied to the fine-tuning connection seat 210 through the second adjusting member 204 to fix the position of the fine-tuning connection seat 210. The transverse adjustment of the moving support seat 6 can be carried out through the fine-tuning structure. If the surface quality of the product is poor, when the product falls, the moving support seat 6 can be horizontally adjusted so that the moving support seat 6 and the fixed support seat 5 have stable support and positioning for the product.

[0065] As an embodiment of the first adjusting member 206 and the second adjusting member 204, both the first adjusting member 206 and the second adjusting member 204 can adopt structural elements with external threads such as bolts and studs. Two threaded holes are correspondingly machined on the fine-tuning base 205, and the first adjusting member 206 and the second adjusting member 204 are respectively threadedly connected to the two threaded holes. One end of the first adjusting member 206 extends out of the fine-tuning base 205 and is rotatably connected to the fine-tuning connecting seat 210; one end of the second adjusting member 204 extends out of the fine-tuning base 205 and abuts against the fine-tuning connecting seat 210. When it is necessary to horizontally adjust the moving support seat 6, rotate the first adjusting member 206 to move the moving support seat 6 to the set position. After the movement is completed, use the second adjusting member 204 to hold it in place. Of course, if the second adjusting member 204 interferes with the first adjusting member 206 when the first adjusting member 206 is rotated, affecting the adjustment, the second adjusting member 204 can be adjusted first to avoid it, and then the second adjusting member 204 can be adjusted to hold the moving support seat 6 after the adjustment of the moving support seat 6 is completed.

[0066] Please refer to Figure 8 , the lifting mechanism 3 includes a lifting plate 301, a lifting assembly and a lifting guiding assembly. The lifting plate 301 is fixedly connected to the fine-tuning connecting seat 210 and the lateral slider 207. Two sets of lifting assemblies are provided on the lifting plate 301. Both sets of lifting assemblies are connected to the moving support seat 6 and are symmetrically arranged with the V-shaped groove of the moving support seat 6 as the center. The lifting assembly can adopt a lift 302 and a lifting motor 303. The screw rod of the lift 302 is fixedly connected to the moving support seat 6, and the lift 302 operates under the drive of the lifting motor 303. The lifting assembly can also be through the cooperation of a servo motor and a ball screw, but the overall dimension occupied by the cooperation scheme of the lift 302 and the lifting motor 303 in the height direction is small, which is beneficial to the compact structure of the tooling.

[0067] The lifting guiding assembly supports and guides the moving support seat 6 during lifting. The number of the lifting guiding assemblies is preferably two to increase rigidity and ensure the vertical movement of the moving support seat 6. The lifting guiding assembly can adopt a guiding column 304 and a linear bearing 305. The linear bearing 305 is installed on the lifting plate 301. The guiding column 304 is slidably arranged in the linear bearing 305, and the upper end of the guiding column 304 is fixedly connected to the moving support seat 6.

[0068] The auxiliary measuring tooling can support and position parts with a cylindrical outer surface. For example, it can support the first part 7 with the same outer diameter cylindrical surface as shown in Figure 9 ; it can support the second part 8 with two different diameters on the outer side as shown in Figure 10 ; or it can support the third part 9 with multiple different diameters on the outer side as shown in Figure 11 . At this time, two of the cylindrical surfaces can be selected as the support surfaces according to needs.

[0069] The auxiliary measurement tooling is installed in the coordinate measuring table and fixed with positioning pins. For the first time, according to the diameters of the large and small axes of the product and the length dimension of the product, control the actions of the base support mechanism 4, the adjusting support mechanism 2, and the lifting mechanism 3, so that the movable support seat 6 moves to the required position. After the movement is completed, the product can be lifted in for measurement. When the flatness of the product is not good, the movable support seat 6 can also be finely adjusted laterally. To increase safety, each fine adjustment is, for example, adjusted by 0.5 mm each time. After the adjustment is completed, the measurement can be carried out.

[0070] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A V-shaped support block, comprising a support block body (101), wherein the support surface of the support block body (101) is concavely formed into a V-shaped groove, and the inner wall surfaces of the two groove walls of the V-shaped groove form two positioning surfaces; characterized in that, It further includes a backing plate (102); A guiding groove (106) is provided on the positioning surface, and the guiding groove (106) extends along the groove wall from the notch of the V-shaped groove towards the bottom of the groove; An outwardly convex guiding platform (104) is provided on the side surface of the backing plate (102) facing the positioning surface, and the guiding platform (104) is slidably connected to the guiding groove (106).

2. The V-shaped support block according to claim 1, characterized in that, The backing plate (102) is made of aluminum; and / or, the extending direction of the guiding groove (106) is perpendicular to the extending direction of the V-shaped groove; and / or, a stop block (105) is provided at the inner end of the guiding groove (106); and / or, along the extending direction of the V-shaped groove, a plurality of baffle plates (107) are provided on at least one side surface of the support block main body (101).

3. A V-shaped support block according to claim 1, characterized in that, It further includes a cushion block (108); a plurality of insertion holes (103) are provided on the backing plate (102), and a plurality of positioning protrusions (109) are provided on the mating surface of the cushion block (108) and the backing plate (102), and the positioning protrusions (109) are inserted into the insertion holes (103) one by one.

4. An auxiliary measuring tooling for a cylindrical product, characterized in that, It includes a fixed support seat (5) and a movable support seat (6) which are arranged side by side and at intervals; both the fixed support seat (5) and the movable support seat (6) adopt the V-shaped support block (1) as described in any one of claims 1-3.

5. The auxiliary measuring tooling for a cylindrical product according to claim 4, wherein, It further includes an adjusting support mechanism (2), and the adjusting support mechanism (2) includes a load-bearing base, a transverse guide rail (208) and a fine-tuning structure; The transverse guide rail (208) is arranged on the load-bearing base, and a transverse slider (207) is slidably arranged on the transverse guide rail (208); the movable support seat (6) is connected to the transverse slider (207); The fine-tuning structure includes a fine-tuning base (205), a fine-tuning connecting seat (210), a first adjusting member (206) and a second adjusting member (204); the fine-tuning base (205) is arranged on the load-bearing base, the first adjusting member (206) and the second adjusting member (204) are installed on the fine-tuning base (205), and the fine-tuning connecting seat (210) connects the first adjusting member (206) and the movable support seat (6); By applying a pulling force parallel to the transverse guide rail (208) on the fine-tuning connecting seat (210) through the first adjusting member (206), and applying a pushing force parallel to the transverse guide rail (208) on the fine-tuning connecting seat (210) through the second adjusting member (204), the position of the movable support seat (6) is fixed.

6. The auxiliary measurement tooling for a cylindrical product according to claim 5, characterized in that, Both the first adjusting member (206) and the second adjusting member (204) have external threads, two threaded holes are provided on the fine-tuning base (205), and the first adjusting member (206) and the second adjusting member (204) are respectively threadedly connected to the two threaded holes; one end of the first adjusting member (206) extends out of the fine-tuning base (205) and is rotatably connected to the fine-tuning connecting seat (210); one end of the second adjusting member (204) extends out of the fine-tuning base (205) and abuts against the fine-tuning connecting seat (210).

7. The auxiliary measuring tool for a cylindrical product according to claim 4, wherein It further includes a base support mechanism (4), and the base support mechanism (4) includes a bottom plate (401), a longitudinal guide rail (403) and a longitudinal drive assembly; The fixed support base (5) is fixed on the bottom plate (401); The longitudinal guide rail (403) is fixedly installed on the bottom plate (401), and the extending direction of the longitudinal guide rail (403) is the same as the extending direction of the V-shaped groove on the fixed support base (5); a longitudinal slider (406) which is matched with the longitudinal guide rail (403) is slidably arranged on the longitudinal guide rail (403); The movable support base (6) is connected with the longitudinal slider (406), and moves close to or away from the fixed support base (5) under the control of the longitudinal drive assembly.

8. The auxiliary measuring tool for a cylindrical product according to claim 7, characterized in that, The longitudinal drive assembly includes a longitudinal servo motor (402), a ball screw (404) and a lead screw nut (405); The ball screw (404) is rotatably installed on the bottom plate (401); The longitudinal servo motor (402) is fixedly installed on the bottom plate (401) and is in transmission connection with the ball screw (404); The lead screw nut (405) is slidably arranged on the bottom plate (401) and is in threaded connection with the ball screw (404); the lead screw nut (405) is connected with the movable support base (6); when the ball screw (404) rotates, the movable support base (6) can move close to or away from the fixed support base (5) longitudinally.

9. The auxiliary measuring tooling for a cylindrical product according to claim 8, characterized in that, A chute (407) is arranged at the position corresponding to the ball screw (404) on the bottom plate (401), and the lead screw nut (405) is slidably arranged in the chute (407).

10. The auxiliary measuring tooling for a cylindrical product according to claim 4, characterized in that, It further includes a lifting mechanism (3), and the lifting mechanism (3) includes a lifting plate (301), a lifting assembly and a lifting guiding assembly; the lifting assembly and the lifting guiding assembly are arranged on the lifting plate (301); the lifting assembly is connected with the movable support base (6) and drives the movable support base (6) to lift; the lifting guiding assembly supports and guides when the movable support base (6) lifts.

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