CN215064178U

CN215064178U - Detection assembly in worm gear transmission assembly detection device

Info

Publication number: CN215064178U
Application number: CN202121173272.3U
Authority: CN
Inventors: 邬中华; 黄雷登; 徐珂
Original assignee: Zhejiang Xiaxia Precision Manufacturing Co ltd
Current assignee: Zhejiang Xiaxia Precision Manufacturing Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-07
Anticipated expiration: 2031-05-28

Abstract

The worm detection assembly comprises a worm positioning seat, a vertically arranged vertical slide rail is arranged on the worm positioning seat, a movable upper positioning block and a movable lower positioning block are arranged on the vertical slide rail, and a worm to be detected is positioned between the upper positioning block and the lower positioning block; one side of the standard worm wheel positioning assembly, which faces the worm detection assembly, is provided with a rotatable rotating disc, and the outer side of the rotating disc is provided with a worm wheel positioning mechanism. The utility model provides a detection component in a worm gear transmission component detection device, which has compact integral structure, reasonable design, convenient operation and high precision; the precision of tooth meshing between the standard worm wheel and the worm to be detected can be ensured through the rotation of the rotating disc, and the detection precision is improved; the distance between the detection positions is convenient to adjust, and the worm detection device can be well suitable for detection of worms with different sizes.

Description

Detection assembly in worm gear transmission assembly detection device

Technical Field

The utility model belongs to worm gear drive assembly check out test set field, concretely relates to determine module among worm gear drive assembly detection device.

Background

The worm is a hardware widely applied and generally works in cooperation with a worm wheel, the worm wheel and worm structure is commonly used for transmitting motion and power between two staggered shafts, the worm wheel and the worm are equivalent to a gear and a rack in the middle plane, and the worm is similar to a screw in shape; therefore, the worm gear which is in meshed assembly is widely applied to the mechanical field as a transmission assembly.

For a worm used in a precise occasion, whether the surface quality of a gear ring on the surface of the worm is in compliance or not greatly affects the product quality of the worm. At present, before the finished worm leaves a factory, a gear ring on the surface of the finished worm needs to be detected, such as radial runout detection, span bar distance detection and the like.

During detection, the worm to be detected is meshed with the standard worm wheel to rotate, the radial runout condition of the gear ring is detected, and whether the worm is qualified or not can be judged. In addition, because the tooth trace on the worm has the slope of certain angle, and the inclination on the different worms is different, consequently in the testing process, what mesh worm wheel detection piece also need rotate corresponding angle and worm and match, just can guarantee the accuracy and the precision of detection.

In the prior art, a better worm detection device is also lacked, the conventional detection device has a single function, the detection time consumption is long, the detection efficiency is low, and the detection precision of a plurality of detection tools is difficult to reach the standard.

Therefore, based on the problems in the prior art, the present application further designs and researches the detection mechanism of the worm and gear transmission assembly in the prior art, and particularly the detection assembly thereof.

SUMMERY OF THE UTILITY MODEL

Not enough to above prior art, the utility model provides a detection module among worm gear drive assembly detection device, device overall structure is compact, reasonable in design, detects convenient operation, and detects the precision height.

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

The worm detection assembly comprises a worm positioning seat, a vertically arranged vertical slide rail is arranged on the worm positioning seat, a movable upper positioning block and a movable lower positioning block are arranged on the vertical slide rail, and a worm to be detected is positioned between the upper positioning block and the lower positioning block; one side of the standard worm wheel positioning assembly, which faces the worm detection assembly, is provided with a rotatable rotating disc, and the outer side of the rotating disc is provided with a worm wheel positioning mechanism.

In a preferred embodiment, the worm wheel positioning mechanism comprises a first positioning part and a second positioning part, the distance between the first positioning part and the second positioning part is adjustable, and a standard worm wheel is positioned between the first positioning part and the second positioning part.

During detection, a worm to be detected is positioned between the upper positioning block and the lower positioning block, the worm can be flexibly rotated, the adaptive standard worm wheel is positioned between the first positioning piece and the second positioning piece, and the standard worm wheel can be flexibly rotated. And then moving the standard worm wheel positioning assembly to enable the standard worm wheel to move towards the worm and realize tooth meshing between the standard worm wheel and the worm, wherein the standard worm wheel can rotate in an angle in a self-adaptive manner in the meshing process, and good meshing is ensured. Then, the standard worm wheel positioning assembly is fixed, and the rotating disc is fixed through a conventional locking mechanism such as a bolt. And a standard worm wheel is rotated, if the meshing rotation of the worm is smooth, the worm is qualified, and if the worm is not smooth and is easy to block, the worm is unqualified, so that the detection operation is convenient, and the detection efficiency is high.

In a preferred embodiment, the worm wheel positioning mechanism includes a transverse slide rail disposed on an outer side surface of the rotating disc, the first positioning element is disposed on the transverse slide rail, and the second positioning element is movably disposed on the transverse slide rail; be equipped with interval adjustment mechanism between first setting element and the second setting element, the precision is high when guaranteeing to remove, and the position is accurate.

In a preferred embodiment, the distance adjusting mechanism includes a positioning base disposed on an outer side surface of the rotating disc, and a positioning fixture block is disposed on a position of the first positioning member corresponding to the positioning base; the threaded positioning seat is arranged on the second positioning piece; the adjusting device also comprises an adjusting screw rod, wherein a positioning ring is arranged on the adjusting screw rod and is arranged between the positioning base and the positioning fixture block; and the rod part of the adjusting screw rod is assembled on the thread positioning seat in a thread fit manner. In this structure, first setting element basic position is fixed, through rotating adjusting screw, can drive the directional removal of screw thread positioning seat, and then makes the second setting element remove on horizontal slide rail, carries out the interval adjustment, conveniently changes different standard worm wheel.

In a preferred embodiment, the upper surface of the rotating disc is provided with a pointer for indicating the rotating angle, so that the rotating angle can be conveniently checked and recorded.

In a preferred embodiment, be equipped with first setting element on the first setting element and support the point, be equipped with the second setting element on the second setting element and support the point, first setting element support the point with the second setting element supports the relative setting of point and coaxial setting, and standard worm wheel is positioned first setting element and supports between the point and the second setting element supports the point to can rotate in a flexible way.

In a preferred embodiment, an upper positioning centre is arranged on the upper positioning block, and a lower positioning centre is arranged on the lower positioning block; the upper positioning centre and the lower positioning centre are oppositely arranged and coaxially arranged, and the worm to be detected is positioned between the upper positioning centre and the lower positioning centre and can flexibly rotate.

In a preferred embodiment, a vertically arranged guide screw is further arranged on the worm positioning seat, threads are arranged on the outer surface of the lower portion of the guide screw, the lower positioning block is assembled on the guide screw in a threaded manner, the guide screw has a guiding function, and the lower positioning block can move up and down by rotating the guide screw, so that the purpose of adjusting the distance between the upper positioning block and the lower positioning block is achieved.

In a preferred embodiment, the upper portion of the guide screw is a polished rod portion, and the upper positioning block is sleeved on the polished rod portion and can move up and down.

Compared with the prior art, the utility model discloses following beneficial effect has: the detection assembly in the worm and gear transmission assembly detection device is provided, the device is compact in overall structure, reasonable in design, convenient to detect and operate and high in detection precision; in the detection process, the tooth meshing precision between the standard worm wheel and the worm to be detected can be ensured through the rotation of the rotating disc, and the detection precision is improved; the distance between the detection positions is convenient to adjust, and the worm detection device can be well suitable for detection of worms with different sizes.

Drawings

Fig. 1 is a first perspective view of a detection mechanism of the present application with a standard worm gear and a detection worm placed.

Fig. 2 is a second perspective view of the detection mechanism of the present application with a standard worm gear and a detection worm placed.

FIG. 3 is a side view of the sensing mechanism of the present application with a standard worm gear and sensing worm placed.

Fig. 4 is a first perspective view of a detection mechanism in the present application.

Fig. 5 is an enlarged view of the area a in fig. 4.

Fig. 6 is an enlarged view of the area a1 in fig. 5.

Fig. 7 is a second perspective view of the detection mechanism in the present application.

Fig. 8 is an enlarged view of the region B in fig. 7.

Fig. 9 is a first perspective view of the worm detection assembly of the present application.

Fig. 10 is a second perspective view of the worm detection assembly of the present application.

Fig. 11 is a front view of the worm detection assembly with the mount omitted.

Fig. 12 is a perspective view of the worm detection assembly with the mount omitted.

FIG. 13 is a schematic view of the components at the lead screw configuration in the worm sensing assembly.

FIG. 14 is a perspective view of a standard worm gear positioning assembly of the present application.

Figure 15 is a perspective view of a movable mount in a standard worm gear positioning assembly.

FIG. 16 is a first perspective view of a standard worm gear positioning assembly with the movable mount omitted.

FIG. 17 is a side view of a standard worm gear positioning assembly with the movable mount omitted.

FIG. 18 is a second perspective view of the standard worm gear positioning assembly with the movable mount omitted.

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 is to be understood that the term: 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 18, the detection mechanism for the worm and gear transmission assembly and the detection assembly thereof according to the present application include a base 1, wherein a worm detection assembly 3 and a standard worm and gear positioning assembly 2 are disposed on the base 1, a slide rail 11 is disposed on the base 1, and the standard worm and gear positioning assembly 2 is slidably disposed on the slide rail 11; the worm detection assembly 3 comprises a worm positioning seat 32, a vertical sliding rail 321 is vertically arranged on the worm positioning seat 32, a movable upper positioning block 322 and a movable lower positioning block 323 are arranged on the vertical sliding rail 321, and a worm to be detected is positioned between the upper positioning block 322 and the lower positioning block 323; standard worm wheel locating component 2 is including removing seat 21, it is equipped with rotatable rolling disc 22 towards one side of worm detection subassembly 3 to remove seat 21, the outside of rolling disc 22 is equipped with worm wheel positioning mechanism, worm wheel positioning mechanism includes first setting element 223 and second setting element 224, interval between first setting element 223 and the second setting element 224 is adjustable, be used for fixing a position standard worm wheel between first setting element 223 and the second setting element 224.

Specifically, in the present application, the worm wheel positioning mechanism includes a transverse slide rail 222 disposed on an outer side surface of the rotating disc 22, the first positioning element 223 is disposed on the transverse slide rail 222, and the second positioning element 224 is movably disposed on the transverse slide rail 222; and a distance adjusting mechanism is arranged between the first positioning part 223 and the second positioning part 224, so that high precision and accurate position during movement are ensured. The spacing adjusting mechanism comprises a positioning base 225 arranged on the outer side surface of the rotating disc 22, and a positioning fixture block 227 is arranged on the first positioning piece 223 corresponding to the positioning base 225; the positioning device also comprises a threaded positioning seat 229 arranged on the second positioning piece 224; the adjusting mechanism further comprises an adjusting screw 226, a positioning ring 228 is arranged on the adjusting screw 226, and the positioning ring 228 is arranged between the positioning base 225 and the positioning fixture block 277; the rod part of the adjusting screw 226 is assembled on the threaded positioning seat 229 in a threaded fit manner. In this structure, the basic position of the first positioning member 223 is fixed, and the adjusting screw 226 is rotated to drive the screw thread positioning seat 229 to move directionally, so that the second positioning member 224 moves on the transverse slide rail 222 to adjust the distance, thereby facilitating the replacement of different standard worm gears.

In addition, in this application, a pointer 221 is disposed on the upper surface of the rotating disc 22, and a scale 211 is disposed on the upper surface of the moving base 21, so that the rotating angle can be conveniently viewed and recorded.

In addition, in the present application, a rotating seat 23 is provided on the outer side of the moving seat 21, and a rotating shaft mechanism 236 on the rotating seat 23 is fixed on the rotating disc 22 after passing through the assembling hole 219 on the moving seat 21; the rotating shaft mechanism 236 and the movable base 21 can rotate relatively. In this structure, stability in the rotation process of the rotating disc 22 can be ensured, deflection does not occur, and detection accuracy is improved.

Further, as can be seen from the drawings, in the present application, the base 1 is provided with a positioning component adjusting seat 232, the positioning component adjusting seat 232 is provided with a positioning component adjusting screw 233, a rod portion of the positioning component adjusting screw 233 is assembled on the positioning component adjusting plate 231 through a thread, and the positioning component adjusting plate 231 is fixed on the rotating seat 23. In this structure, by rotating the positioning component adjusting screw 233, the positioning component adjusting plate 231 can be moved, and the entire standard worm wheel positioning component 2 is driven to move.

In specific structure, it supports sharp 2231 to be equipped with first locating part on the first locating part 223, it supports sharp 2241 to be equipped with the second locating part on the second locating part 224, first locating part support sharp 2231 with the second locating part supports sharp 2241 and sets up and coaxial setting relatively, and standard worm wheel is positioned first locating part and supports sharp 2231 and second locating part and support between the sharp 2241 to can rotate in a flexible way. Correspondingly, an upper positioning tip 3221 is arranged on the upper positioning block 322, and a lower positioning tip 3231 is arranged on the lower positioning block 323; the upper positioning centre 3221 and the lower positioning centre 3231 are arranged oppositely and coaxially, and a worm to be detected is positioned between the upper positioning centre 3221 and the lower positioning centre 3231 and can flexibly rotate.

As can be seen from the drawings, in the present application, the worm detecting assembly 3 further includes two symmetrically disposed mounting seats 31 disposed on the base 1, side mounting plates 326 are disposed on two sides of the worm positioning seat 32, the side mounting plates 326 are assembled on the side mounting blocks 311, and the side mounting blocks 311 are disposed on the mounting seats 31; the worm detection assembly 3 further comprises a measuring gauge 36, and the measuring gauge 36 is used for detecting the moving distance of the worm positioning seat 32.

An assembly plate 33 is arranged on the mounting base 31, a meter positioning piece 34 is arranged on the assembly plate 33, and one end of the meter positioning piece 34 is bent to form a positioning plate 37; the side mounting plate 326 is provided with a measuring meter mounting seat 35, the measuring meter 36 is arranged on the side mounting plate, and the measuring head 361 of the measuring meter 36 abuts against the positioning plate 37. In this structure, the meter positioning element 34 is fixed on the component plate 33, and the position is fixed, and the meter mounting seat 35 is fixed on the side mounting plate 326 and therefore moves along with the positioning seat 32, and further drives the meter 36 thereon to move, so that the distance that the measuring head 361 abuts on the positioning plate 37 changes, and the distance is reflected on the meter reading, and whether the detected part is qualified is judged according to the reading.

Further, the side mounting block 311 is slidably disposed on the mounting seat 31, and can be assembled through a sliding rail structure, so as to ensure directionality during movement; meanwhile, an elastic reset structure, such as a spring, is arranged, and the spring can provide elastic force to enable the positioning seat 32 to face the standard worm wheel positioning component 2 all the time, so that the worm wheel and the worm are meshed all the time.

In the application, still be equipped with the lead screw 324 of vertical setting on the worm positioning seat 32, be equipped with the screw thread on the lower part surface of lead screw 324, locating piece 323 screw assembly is on this lead screw 324 down, and lead screw 324 plays the guide function, can make down locating piece 323 reciprocate through rotating this lead screw 324 simultaneously, plays the purpose of adjusting the interval between locating piece 322 and the lower locating piece 323.

Further, the upper portion of the guiding screw 324 is a polished rod portion, and the upper positioning block 322 is sleeved on the polished rod portion and can move up and down.

Some worm detection device among the prior art, simple structure, the function is single, and the determine module can not carry out corresponding rotation according to the tooth trace inclination, and the detection is limited then, and the precision is low during the detection. Detection mechanism in this application has adopted independent worm detection subassembly 3 and standard worm wheel locating component 2, and worm 5 fixes a position through last locating piece 322 and lower locating piece 323 during the detection, goes up locating piece 322 and down locating piece 323 interval adjustable, can use the worm 5 detection of different length, and the commonality is wide. Meanwhile, the standard worm gear 4 is positioned between the first positioning piece 223 and the second positioning piece 224, and different standard worm gears can be assembled through the positions and the adjustment intervals, so that different detection requirements are met. Furthermore, in the present application, the rotating disc 22 on which the first positioning element 223 and the second positioning element 224 are located can rotate within a certain angle, so that the standard worm wheel 4 can rotate through rotation, and after the standard worm wheel is inclined, teeth on the standard worm wheel perfectly adapt to tooth marks on the worm, thereby ensuring high detection precision during detection.

During detection, the worm 5 to be detected is positioned between the upper positioning block 322 and the lower positioning block 323, the worm can flexibly rotate, the adaptive standard worm wheel 4 is positioned between the first positioning piece 223 and the second positioning piece 224, and the standard worm wheel 4 can flexibly rotate. And then moving the standard worm wheel positioning component 2 to enable the standard worm wheel to move towards the worm and realize tooth meshing between the standard worm wheel and the worm, wherein the standard worm wheel can rotate in an angle in a self-adaptive manner in the meshing process, and good meshing is ensured. The standard worm wheel positioning assembly 2 is then secured and the turn disc 22 secured by a conventional locking mechanism such as bolts. And a standard worm wheel is rotated, if the meshing rotation of the worm is smooth, the worm is qualified, and if the worm is not smooth and is easy to block, the worm is unqualified, so that the detection operation is convenient, and the detection efficiency is high. Or observing the reading of the measuring meter 36, and if the reading is within the allowable range, the worm is qualified, otherwise, the worm is not qualified. Correspondingly, the worm wheel 4 can be detected by replacing the worm wheel and the standard worm which need to be detected, and the operation method is the same.

The above, the utility model provides a worm gear transmission assembly detection mechanism, the device has compact overall structure, reasonable design, convenient detection operation and high detection precision; in the detection process, the tooth meshing precision between the standard worm wheel and the worm to be detected can be ensured through the rotation of the rotating disc, and the detection precision is improved; the distance between the detection positions is convenient to adjust, and the worm detection device can be well suitable for detection of worms with different sizes.

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 replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims

1. The detection assembly in the worm gear and worm transmission assembly detection device is characterized by comprising a worm detection assembly (3) and a standard worm wheel positioning assembly (2) which are oppositely arranged,

the worm detection assembly (3) comprises a worm positioning seat (32), a vertical sliding rail (321) which is vertically arranged is arranged on the worm positioning seat (32), a movable upper positioning block (322) and a movable lower positioning block (323) are arranged on the vertical sliding rail (321), and a worm which needs to be detected is positioned between the upper positioning block (322) and the lower positioning block (323);

one side of the standard worm wheel positioning component (2) facing the worm detection component (3) is provided with a rotatable rotating disc (22), and the outer side of the rotating disc (22) is provided with a worm wheel positioning mechanism.

2. The detecting assembly in the worm gear and worm transmission assembly detecting device according to claim 1, characterized in that the worm gear positioning mechanism comprises a first positioning member (223) and a second positioning member (224), the distance between the first positioning member (223) and the second positioning member (224) is adjustable, and a standard worm gear is positioned between the first positioning member (223) and the second positioning member (224).

3. The detecting assembly in the worm and gear transmission assembly detecting device according to claim 2, wherein the worm wheel positioning mechanism comprises a transverse slide rail (222) arranged on the outer side surface of the rotating disc (22), the first positioning member (223) is arranged on the transverse slide rail (222), and the second positioning member (224) is movably arranged on the transverse slide rail (222); and a distance adjusting mechanism is arranged between the first positioning piece (223) and the second positioning piece (224).

4. The detecting assembly in the detecting device of the worm and gear transmission assembly according to claim 3, wherein the spacing adjusting mechanism comprises a positioning base (225) arranged on the outer side surface of the rotating disc (22), and a positioning block (227) is arranged on the first positioning member (223) at a position corresponding to the positioning base (225);

the positioning device also comprises a threaded positioning seat (229) arranged on the second positioning piece (224);

the adjusting device further comprises an adjusting screw rod (226), a positioning ring (228) is arranged on the adjusting screw rod (226), and the positioning ring (228) is arranged between the positioning base (225) and the positioning clamping block (227); the rod part of the adjusting screw rod (226) is assembled on the thread positioning seat (229) in a thread fit mode.

5. The detecting assembly in the detecting device of the worm and gear transmission assembly according to claim 1, characterized in that the upper surface of the rotating disc (22) is provided with a pointer (221) for indicating the rotating angle.

6. The detecting assembly in the worm and gear transmission assembly detecting device according to claim 2, wherein a first locating piece abutting point (2231) is arranged on the first locating piece (223), a second locating piece abutting point (2241) is arranged on the second locating piece (224), and the first locating piece abutting point (2231) and the second locating piece abutting point (2241) are arranged oppositely and coaxially.

7. The detection assembly in the worm and gear transmission assembly detection device according to claim 1, wherein an upper positioning apex (3221) is arranged on the upper positioning block (322), and a lower positioning apex (3231) is arranged on the lower positioning block (323); the upper positioning centre (3221) and the lower positioning centre (3231) are arranged oppositely and coaxially.

8. The detection assembly in the worm and gear transmission assembly detection device according to claim 1, wherein the worm positioning seat (32) is further provided with a vertically arranged lead screw (324), the outer surface of the lower part of the lead screw (324) is provided with threads, and the lower positioning block (323) is in threaded fit with the lead screw (324).

9. The detecting assembly of the worm and gear transmission assembly detecting device according to claim 8, wherein the upper portion of the lead screw (324) is a polished rod portion, and the upper positioning block (322) is sleeved on the polished rod portion.