CN218270476U

CN218270476U - Improved generation worm strides excellent apart from detection device

Info

Publication number: CN218270476U
Application number: CN202120569703.1U
Authority: CN
Inventors: 郑卫敏
Original assignee: Zhejiang Xiaxia Precision Manufacturing Co ltd
Current assignee: Zhejiang Xiaxia Precision Manufacturing Co ltd
Priority date: 2021-03-20
Filing date: 2021-03-20
Publication date: 2023-01-10
Anticipated expiration: 2031-03-20

Abstract

The improved worm rod span detection device comprises a base, wherein a first positioning assembly, a second positioning assembly and a measuring assembly are arranged on the base; a worm placing assembly is arranged between the first positioning assembly and the second positioning assembly; the first positioning component comprises a first positioning seat, a first positioning column is arranged on the first positioning seat, the first positioning column can axially rotate, and a first positioning head is arranged at the end part of the first positioning column; the second positioning assembly comprises a second positioning seat, a second positioning column is arranged on the second positioning seat and can axially rotate, a second positioning head is arranged at the end part of the second positioning column, and the second positioning column extends out towards the first positioning assembly. The utility model provides an excellent apart from detection device is striden to improved generation worm, device overall structure is compact, reasonable in design adopts three to detect the head and fixes a position the worm, and positioning accuracy is high, and detects the head and have the automatic function of rectifying of rotating, convenient operation, it is high to detect the precision.

Description

Improved generation worm strides excellent apart from detection device

Technical Field

The utility model belongs to worm measuring equipment field, concretely relates to stick apart from detection device is striden to improved generation worm.

Background

The worm is a hardware with wide application range. For a worm used in a precise occasion, whether the size, depth and the like of a gear ring on the surface of the worm are in compliance or not greatly affects the product quality of the worm, so that the finished worm needs to detect the gear ring on the surface before delivery, such as gear ring depth detection, gear ring gap detection, gear ring inclination detection, rod span detection and the like. Generally, in the detection process, a matched detection head needs to be inserted into a gear ring on a worm, the detection head is enabled to be abutted against the inner wall of the gear ring, and the insertion distance or the distance between two detection heads is measured, so that data such as the depth of the gear ring, the distance between the gear rings, the distance between two rods and the like are obtained.

At present, a better worm rod span distance detection device is lacked, the detection time is long, and the detection efficiency is low. And some detection devices lack the function of rectifying a deviation at present, and this can lead to the inclination of detecting the head inconsistent with the inclination of ring gear on the worm, can not perfectly match when making the detection head insert in the ring gear clearance and insert, and the depth of insertion is inaccurate, leads to detecting the precision to descend. The detection head can rotate by a certain angle to insert the detection technology in the prior art, but the structure matching degree is poor, the friction is large, the abrasion condition is serious after the detection head is used for a long time, and the detection precision is also influenced.

Therefore, based on the above problems in the prior art, the present application further designs and researches a device for detecting the distance between the worm and the rod across the worm in the prior art.

SUMMERY OF THE UTILITY MODEL

Not enough to above prior art, the utility model provides an excellent apart from detection device is striden to improved generation worm, device overall structure is compact, and reasonable in design adopts three to detect the head and fixes a position the worm, and positioning accuracy is high, and detects the head and have the automatic function of rectifying a deviation, convenient operation, it is high to detect the precision.

In order to solve the above technical problem, the present invention solves the above technical problems.

The improved worm rod span detection device comprises a base, wherein a first positioning assembly, a second positioning assembly and a measuring assembly are arranged on the base; a worm placing assembly is arranged between the first positioning assembly and the second positioning assembly; the first positioning component comprises a first positioning seat, a first positioning column is arranged on the first positioning seat, the first positioning column can axially rotate, and a first positioning head is arranged at the end part of the first positioning column; the second positioning assembly comprises a second positioning seat, a second positioning column is arranged on the second positioning seat and can axially rotate, a second positioning head is arranged at the end part of the second positioning column, and the second positioning column extends out towards the first positioning assembly; the second positioning seat is internally provided with a supporting bead which is supported on the end face of the second positioning column.

In this application, first reference column with states the second reference column and all can the axial rotation, the beneficial effect who brings from this is: the positioning head on the positioning column is of a strip-shaped columnar structure, when the positioning head is inserted into the gear ring on the worm, the positioning head can automatically rotate by a small angle according to the inclination of the gear ring to be matched with the gear ring, the inclination of the positioning head is ensured to be the same as the inclination of the gear ring, the positioning head can be inserted deepest, and the detection precision is ensured.

In addition, in the application, the rear end of the second positioning column is abutted against the abutting bead and is in point contact, so that the friction force in the small-angle rotation process of the second positioning column is small, the rotation is flexible, and the second positioning column cannot be clamped; meanwhile, the abrasion in the long-time rotating process is small, so that the overall length and the process of the second positioning column cannot be shortened, the detection precision is improved, and the service life is prolonged. Correspondingly, the first positioning column can also be of the same structure.

Preferably, be equipped with first slide rail on the side of curb plate, two first locating seat all slides and locates on this first slide rail, and it is convenient to remove, and the precision is high.

Preferably, the upper part of the side plate is provided with a cross rod, the cross rod is provided with a positioning nut and a positioning plug-in, the positioning nut is arranged on the cross rod in a threaded fit manner, and the positioning plug-in is arranged between the two positioning nuts and can be clamped by the two positioning nuts; the positioning plug-in module is characterized by further comprising a positioning plug-in block arranged on the first positioning seat, a groove is formed in the positioning plug-in block, and the positioning plug-in module can be inserted into the groove to fix the first positioning seat. In this structure, after first locating seat location is good, the location plug-in components insert the location inserted block, make first locating seat can not remove, then rotate the nut and clip the location plug-in components, realize holistic location, stability is good, and intensity is high.

Preferably, the two sides of the second positioning seat are sliding parts, the sliding parts are slidably arranged on a second sliding rail, and the second sliding rail is fixed on the base. The structure enables the second positioning seat to move smoothly and has high precision.

Preferably, one side of the second positioning seat is connected with a traction plate, a pin column is arranged on the traction plate, and the pin column can be pulled to move and drives the second positioning seat to move. Specifically, in the structure, the oscillating bar drives the pin column to move when rotating, so that the second positioning seat moves.

Preferably, a first spring seat is fixed on the second positioning seat, a second spring seat is fixed on the base, and a spring is arranged between the first spring seat and the second spring seat. In this structure, when the second positioning seat removed, the interval between first spring holder and the second spring holder dwindled, and the spring is compressed, and after the hand was loosened, elasticity made the second positioning seat reset.

Preferably, the second positioning column is provided with a positioning pin hole, and the second positioning seat is provided with a through hole; a positioning pin can be inserted into the through hole and the positioning pin hole; the width of the through hole in the radial direction of the second positioning column is larger than the diameter of the positioning pin, so that the second positioning column can axially rotate. In this structure, after the locating pin inserted, the second reference column can not axial displacement, therefore the stroke of second reference column is fixed, and the second reference column can axial rotation in the low-angle simultaneously for the angular adjustment of rectifying automatically. The same structure can be arranged on the first positioning column.

Compared with the prior art, the utility model discloses following beneficial effect has: the improved worm rod span distance detection device is compact in overall structure, reasonable in design, stable and firm in worm positioning, high in positioning accuracy, convenient to operate and high in detection accuracy, and the detection head has an automatic rotation deviation correction function.

Drawings

Fig. 1 is a first perspective view of a device for detecting a distance between a worm and a rod.

Fig. 2 is a second perspective view of the worm span length detection device in the present application.

Fig. 3 is a third perspective view of the worm span length detection device in the present application.

Fig. 4 is a plan view of the worm span detection device in the present application.

Fig. 5 is an enlarged view of the area a in fig. 1.

Fig. 6 is an enlarged view of a region B in fig. 1.

Fig. 7 is a perspective view of the worm span length detection device with some components omitted.

Fig. 8 is a plan view of the worm span length detection device with some components omitted.

Fig. 9 is an enlarged view of the region C in fig. 7.

Fig. 10 is an enlarged view of a region D in fig. 7.

Fig. 11 is an enlarged view of the region E in fig. 8.

Fig. 12 is a perspective view of the worm span length detection device with the base and a part of the assembly omitted.

Fig. 13 is a perspective view of a base in the present application.

Fig. 14 is a perspective view of the second positioning seat and the sliding members at two sides thereof in the present application.

Fig. 15 is a perspective view of a swing link in the present application.

Fig. 16 is a first perspective view of the traction plate and spring structure of the present application.

Fig. 17 is a second perspective view of the traction plate and spring structure of the present application.

Fig. 18 is a perspective view of a first positioning seat in the present application.

Fig. 19 is a perspective view of a second positioning post in the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be understood that the terms: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Referring to fig. 1 to 19, the utility model provides an improved generation worm strides excellent apart from detection device has the automatic function of rectifying. The detection device comprises a base 1, wherein a first positioning assembly, a second positioning assembly and a measuring assembly are arranged on the base 1, and a worm placing assembly is arranged between the first positioning assembly and the second positioning assembly; the specific structure is as follows.

A first positioning component: the first positioning component comprises a side plate 2 arranged on the base 1, two movable first positioning seats 3 are arranged on one side of the side plate 2, a first positioning column 35 is arranged on each first positioning seat 3, the first positioning columns 35 can axially rotate, and first positioning heads are arranged at the end parts of the first positioning columns 35; the side plate 2 is also provided with a positioning seat locking mechanism which is used for fixing the first positioning seat 3.

Specifically, in this application, be equipped with first slide rail 25 on the side of curb plate 2, two on this first slide rail 25 is located in the equal slip of first reference seat 3, it is convenient to remove, and the precision is high. In the above structure, the positioning seat locking mechanism includes a cross bar 22 disposed on the side plate 2, the cross bar 22 is provided with at least four positioning nuts 23 and at least two positioning plug-ins 24, the positioning nuts 23 are disposed on the cross bar 22 in a threaded fit, and the positioning plug-ins 24 are disposed between the two positioning nuts 23 and can be clamped by the two positioning nuts 23; the positioning plug-in module is characterized by further comprising a positioning plug-in block 32 arranged on the first positioning seat 3, a groove is formed in the positioning plug-in block 32, and the positioning plug-in unit 24 can be inserted into the groove to fix the first positioning seat 3. In the structure, after the first positioning seat 3 is positioned, the positioning plug-in unit 24 is inserted into the positioning plug-in block 32, so that the first positioning seat 3 cannot move, and then the nut 23 is rotated to clamp the positioning plug-in unit 24, so that the whole positioning is realized, the stability is good, and the strength is high.

In the above structure, both ends of the cross bar 22 are fixed to the side plates 2 by the clips 21. The first positioning seat 3 is slidably disposed on the first slide rail 25 through the first slide block 31.

In addition, be equipped with first reference column installation piece 33 on the first reference seat 3, first reference column 35 rotates to be located in this first reference column installation piece 33. One side of the first positioning column mounting block 33 is further provided with a pin hole 34 for inserting a pin shaft to position the first positioning column 35. Meanwhile, the upper and lower widths of the pin hole 34 are larger than the diameter of the pin shaft, so that the first positioning column 35 can rotate within a small angle to realize automatic deviation correction.

The second positioning component: the second positioning assembly comprises a movable second positioning seat 6 subjected to elastic restoring force, a second positioning column 61 is arranged on the second positioning seat 6, the second positioning column 61 can axially rotate, a second positioning head 612 is arranged at the end part of the second positioning column 61, and the second positioning column 61 extends out towards the first positioning assembly; the second positioning seat 6 is provided with a supporting bead 632 therein, and the supporting bead 632 is supported on the end surface of the second positioning column 61. Specifically, the rear end of the second positioning seat 6 is a rear cover plate 63, a boss 631 is disposed on the rear cover plate 63, a placing groove is disposed in the boss 631, and the spherical ball 632 is partially placed therein.

Specifically, the two sides of the second positioning seat 6 are sliding parts 5 (integrated structure), the sliding parts 5 are slidably disposed on second sliding rails 53 through second sliding blocks 52 at the bottoms of the sliding parts 5, the second sliding rails 53 are fixed on the base 1, and the structure enables the second positioning seat 6 to move smoothly and has high precision.

As can also be seen from the drawings, one side of the second positioning seat 6 is connected to a traction plate 71 through a rear cover plate 63, a pin 7 is arranged on the traction plate 71, and the pin 7 is arranged in a corresponding strip-shaped sliding groove 72, so that the position can be adjusted. The pin 7 can be pulled to move and drive the second positioning seat 6 to move.

Specifically, in the structure, the swing rod 91 drives the pin 7 to move when rotating, so that the second positioning seat 6 moves. A first spring seat 641 is fixed to the second positioning seat 6, a second spring seat 643 is fixed to the base 1 by a positioning bolt 642, and a spring 64 is provided between the first spring seat 641 and the second spring seat 643. In this structure, when the second positioning seat 6 moves, the distance between the first spring seat 641 and the second spring seat 643 decreases, the spring 64 is compressed, and the second positioning seat 6 is returned by the elastic force after the hand is loosened.

In the present application, the second positioning column 61 is provided with a positioning pin hole 611, and the second positioning seat 6 is provided with a through hole 67; a positioning pin 62 can be inserted into the through hole 67 and the positioning pin hole 611; the width of the through hole 67 in the radial direction of the second positioning post 61 is larger than the diameter of the positioning pin 62, so that the second positioning post 61 can rotate axially. In this structure, after the positioning pin 62 is inserted, the second positioning column 61 cannot move axially, so that the stroke of the second positioning column 61 is fixed, and meanwhile, the second positioning column 61 can rotate axially within a small angle for automatic deviation-correcting angle adjustment. The same structure may be provided on the first positioning column 35.

The worm is placed the subassembly: the worm placing assembly is used for placing the worm 41, the worm placing assembly comprises a placing table 4 fixed on the base 1, and the worm 41 is positioned by two first positioning heads and one second positioning head 612 after being placed on the placing table 4.

A measuring component: the measuring assembly comprises a measuring meter mounting seat 83 which moves synchronously with the second positioning seat 6 and is arranged on the sliding part 5, a measuring meter 81 is fixed on the measuring meter mounting seat 83, a measuring rod 82 of the measuring meter 81 extends out and abuts against the fixed block 8, and the fixed block 8 is fixed on the base 1 and does not move.

In addition, in this application, the base 1 is provided with a swing rod 91, and when the swing rod 91 rotates, the second positioning seat 6 or a structure connected thereto (specifically, the pin 7) is driven to move, so that the second positioning seat 6 moves against the elastic restoring force of the spring 64. In the structure, the second positioning seat 6 is moved by swinging the swing rod 91, so that the operation is convenient. Specifically, the base 1 is provided with a swing rod fixing seat 9, and one end of the swing rod 91 is rotatably arranged on the swing rod fixing seat 9; the other end of the swing rod 91 is a hand holding end 92, so that the operation is convenient and labor-saving. The swing link 91 is also provided with a depressed area 93 corresponding to the pin 7, which has the functions of positioning and guiding the sliding groove.

As can also be seen from the drawings, the base 1 is provided with a first assembling groove 12 for assembling the side plate 2, and is also provided with a second assembling groove 11 for assembling the second sliding rail 53. In addition, a strip-shaped assembly through groove 15 is further formed in the base 1, and is used for installing the second spring seat 643, and the position of the second spring seat 643 can be adjusted.

As can also be seen from the drawings, the second positioning seat 6 is provided with a second through hole 68 for accommodating the second positioning column 61, and the first positioning column mounting block 33 is provided with a first through hole 331 for accommodating the first positioning column 35.

As can also be seen from the drawings, the second positioning column 61 is a cylindrical column structure, and a positioning pin hole 611 is formed on the second positioning column. One end of the second positioning post 61 has two symmetrically disposed inclined surfaces 613, and a cylindrical second positioning head 612 extends from a front end of the inclined surfaces 613 for performing a detection function. The structure of the first positioning column 35 is the same as that of the second positioning column 61.

In the application, the two first positioning heads and the second positioning head 612 are adopted for three-point positioning, so that the stable positioning of the worm during detection is ensured. Simultaneously in this application, first reference column 35 and the equal axial rotation of second reference column 61, the beneficial effect who brings from this is: the positioning head on the positioning column is of a strip-shaped columnar structure, when the positioning head is inserted into the gear ring on the worm, the positioning head can automatically rotate by a small angle according to the inclination of the gear ring to be matched with the gear ring, the inclination of the positioning head is ensured to be the same as the inclination of the gear ring, the positioning head can be inserted deepest, and the detection precision is ensured.

In addition, in the present application, the rear end of the second positioning column 61 abuts against the abutting bead 632, and is in point contact, so that the friction force during the small-angle rotation process of the second positioning column 61 is small, the rotation is flexible, and the second positioning column cannot be clamped; meanwhile, the abrasion in the long-time rotating process is small, so that the overall length and the process of the second positioning column 61 are not shortened, the detection precision is improved, and the service life is prolonged. Accordingly, the first positioning column 35 may have the same structure.

When the worm rod span distance detection device in the application is used, the second positioning assembly moves to reserve a space, the standard worm is placed on the worm placing assembly, then the second positioning assembly releases force and returns under the action of elastic restoring force, and at the moment, the two first positioning heads and the second positioning head 612 are inserted into the standard worm to automatically correct the deviation and perform positioning. Then, the positioning seat locking mechanism fixes the two first positioning seats 3, and reads data of the measurement gauge 81. After positioning, the standard worm is replaced by the worm to be detected, and the operation is repeated to see whether the data of the measuring gauge 81 is within the allowable range, so as to judge whether the worm is qualified.

It is above, the utility model provides an improved generation worm strides excellent apart from detection device, device overall structure is compact, reasonable in design adopts three detection heads to fix a position the worm, and positioning accuracy is high, and detects the head and have the automatic function of rectifying of rotating, convenient operation, it is high to detect the precision.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any substitutions, modifications, and improvements that can be easily conceived by those skilled in the art are all within the protection scope of the present invention.

Claims

1. The improved worm rod span distance detection device is characterized by comprising a base (1), wherein a first positioning assembly, a second positioning assembly and a measuring assembly are arranged on the base (1); a worm placing assembly is arranged between the first positioning assembly and the second positioning assembly;

the first positioning component comprises a first positioning seat (3), a first positioning column (35) is arranged on the first positioning seat (3), the first positioning column (35) can axially rotate, and a first positioning head is arranged at the end part of the first positioning column (35);

the second positioning assembly comprises a second positioning seat (6), a second positioning column (61) is arranged on the second positioning seat (6), the second positioning column (61) can axially rotate, a second positioning head (612) is arranged at the end part of the second positioning column (61), and the second positioning column (61) extends out towards the first positioning assembly;

a supporting bead (632) is arranged in the second positioning seat (6), and the supporting bead (632) is supported on the end face of the second positioning column (61).

2. The improved worm rod span length detection device according to claim 1, wherein a side plate (2) is arranged on the base (1), a first slide rail (25) is arranged on a side surface of the side plate (2), and the two first positioning seats (3) are slidably arranged on the first slide rail (25).

3. The improved worm rod span distance detection device according to claim 2, characterized in that a cross rod (22) is arranged at the upper part of the side plate (2), a positioning nut (23) and a positioning plug-in (24) are arranged on the cross rod (22), the positioning nut (23) is arranged on the cross rod (22) in a threaded fit manner, and the positioning plug-in (24) is arranged between the two positioning nuts (23) and can be clamped by the two positioning nuts (23);

still including locating location inserted block (32) on first location seat (3), be equipped with the recess on location inserted block (32), location plug-in components (24) can be inserted and realize the fixed to first location seat (3) in this recess.

4. The improved worm rod span length detection device according to claim 1, wherein the second positioning seat (6) is provided with a sliding member (5) at both sides thereof, the sliding member (5) is slidably disposed on a second sliding rail (53), and the second sliding rail (53) is fixed on the base (1).

5. The improved worm rod span length detection device according to claim 1, characterized in that one side of the second positioning seat (6) is connected with a traction plate (71), a pin (7) is arranged on the traction plate (71), and the pin (7) can be moved in a traction manner and drives the second positioning seat (6) to move.

6. The improved worm rod span detecting device according to claim 5, characterized in that a first spring seat (641) is fixed on the second positioning seat (6), a second spring seat (643) is fixed on the base (1), and a spring (64) is arranged between the first spring seat (641) and the second spring seat (643).

7. The improved worm rod span detecting device according to claim 1, wherein a positioning pin hole (611) is formed in the second positioning column (61), and a through hole (67) is formed in the second positioning seat (6); a positioning pin (62) can be inserted into the through hole (67) and the positioning pin hole (611); the width of the through hole (67) in the radial direction of the second positioning column (61) is larger than the diameter of the positioning pin (62), so that the second positioning column (61) can rotate axially.