CN218612476U

CN218612476U - Automatic meshing structure, position adjusting device and wire bonding machine

Info

Publication number: CN218612476U
Application number: CN202222976171.0U
Authority: CN
Inventors: 黄升; 张振夺; 刘鑫
Original assignee: Shenzhen Devol Advanced Automation Co ltd
Current assignee: Shenzhen Devol Advanced Automation Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-14
Anticipated expiration: 2032-11-08

Abstract

The utility model provides an automatic interlock structure, position control device and wire bonding machine relates to automation equipment technical field, and automatic interlock structure includes lead screw and slider, and the slider is worn to establish by the lead screw, and the slider includes a plurality of interlock pieces of body and connection body, and a plurality of interlock pieces are arranged along the axial of lead screw, and each interlock piece all has the drive inclined plane towards one side of body. The elastic piece is arranged on the body and can simultaneously abut against the driving inclined planes to drive the occluding blocks to mutually approach along the radial direction so as to be occluded in the screw rod through threads. It is thus clear that after the live time is long, if the screw thread between lead screw and the slider appears wearing and tearing and leads to appearing the space, then the elastic component can automatic release elastic force and order about a plurality of interlock pieces simultaneously and draw close each other, and the screw thread interlock lead screw need not artifical change lead screw or slider, not only saves the cost, and does not need manual operation, labour saving and time saving.

Description

Automatic meshing structure, position adjusting device and wire bonding machine

Technical Field

The utility model relates to an automation equipment technical field especially relates to an automatic interlock structure, position control device and bonding wire machine.

Background

The screw rod and the sliding block are matched through threads to drive the sliding block to move, so that other working components connected with the sliding block are driven to move, and the structure is common in the field of automation equipment, for example, the working components can be a welding head of a wire welding machine. However, after the working part is used for a long time, the threads of the sliding block and the screw rod are inevitably worn, so that the contact of the threads between the sliding block and the screw rod is poor, and the sliding block sometimes idles or is stuck, so that the movement of the working part is influenced. The existing treatment mode is generally to replace a screw rod with a larger diameter or a slide block with a smaller inner diameter so as to enable the slide block to be in tight thread fit with the screw rod again, but the cost is higher, and the replacement work is tedious.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an automatic engagement structure, a position adjustment device, and a wire bonding machine, which are directed to the problems that when threads between a lead screw and a slider are worn, the cost is high due to replacement of the lead screw or the slider, and the replacement work is cumbersome.

The utility model provides an automatic interlock structure, include:

a screw rod;

the screw rod penetrates through the sliding block, the sliding block comprises a body and a plurality of meshing blocks connected with the body, the meshing blocks are arranged around the axial periphery of the screw rod, and one side of each meshing block, facing the body, is provided with a driving inclined plane;

the elastic piece is arranged on the body and can simultaneously abut against the driving inclined planes so as to drive the occluding blocks to mutually approach each other along the radial direction and occlude the screw rod by threads.

The automatic meshing structure can be used for any equipment which uses a screw rod to transmit through thread matching, and the sliding block can be connected with a working assembly, such as a welding head of a wire welding machine, so that the position of the welding head can be adjusted through thread matching. After the live time is long, if the screw thread between lead screw and the slider appears wearing and tearing and lead to appearing the space, then the elastic component can automatic release elastic force and order about a plurality of interlock pieces simultaneously and draw close each other, and the screw thread interlock lead screw need not artifical lead screw or slider of changing, not only saves the cost, and does not need manual operation, labour saving and time saving.

In one embodiment, the automatic engaging structure further includes a driving ring, the driving ring is sleeved on the body, and is located between the engaging blocks and the elastic member, and the elastic member can press the driving ring through elastic force, so that the driving ring can press the driving inclined planes, and further the engaging blocks are driven to mutually approach each other along the radial direction.

In one embodiment, the driving bevel forms an included angle of 30-45 degrees with the central axis of the screw rod.

In one embodiment, the body has a plurality of the engagement blocks along two opposite sides of the body in the axial direction, and the elastic member has two elastic members, and the two elastic members can respectively drive the plurality of the engagement blocks on the corresponding sides to be engaged with the screw rod in a threaded manner.

In one embodiment, the slider further comprises a connecting structure arranged on the body, and the connecting structure is used for detachably connecting the working assembly.

In one embodiment, the connecting structure includes a connecting flange disposed on the body, the connecting flange is provided with a connecting hole, and a screw can be inserted through the connecting hole to connect the screw with the working assembly through a thread.

In one embodiment, the connecting structure further includes a positioning block disposed on the connecting flange, and the positioning block is located on a side of the connecting flange facing away from the body.

The utility model also provides a position control device, including base, driving motor, installed part and foretell automatic interlock structure, driving motor locates the base, the lead screw rotate connect in the base, just driving motor connects the one end of lead screw, the one end of installed part is connected the body, the other end of installed part is used for connecting the work subassembly, driving motor can drive the lead screw is relative the base rotates, drives through screw-thread fit the slider along the axial round trip movement of lead screw, and then drives installed part and work subassembly round trip movement.

In one embodiment, the mounting member comprises a first plate and a second plate which are arranged perpendicularly to each other, the first plate is perpendicular to the extending direction of the screw rod, and one end of the second plate, which is far away from the first plate, is connected with a working assembly.

The utility model also provides a wire welding machine, including bonding tool and foretell position control device, the bonding tool is located the installed part is kept away from the one end of body.

Drawings

Fig. 1 is a schematic structural view of the wire bonding machine of the present invention;

FIG. 2 is a schematic structural view of the automatic engaging structure of the present invention;

fig. 3 is a schematic structural diagram of the sliding block of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a wire bonding machine; 101. a welding head; 102. a position adjustment device;

1. an automatic engagement structure; 11. a screw rod; 12. a slider; 121. a body; 1211. an open slot; 122. an occluding block; 1221. a drive ramp; 123. a connecting flange; 1231. connecting holes; 124. positioning blocks; 125. a drive ring; 13. an elastic member;

2. a base;

3. a drive motor;

4. a mounting member; 41. a first plate; 42. a second panel.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, the present invention provides a wire bonding machine 100 including a bonding tool 101 and a position adjustment device 102 connected, the position adjustment device 102 being capable of adjusting the position of the bonding tool 101 so that the bonding tool 101 operates in a proper position.

Position adjustment device 102 includes automatic occlusion structure 1 (shown in fig. 2), base 2, driving motor 3 and installed part 4, and base 2 is all located to driving motor 3 and automatic occlusion structure 1, and driving motor 3 connects automatic occlusion structure 1, and automatic occlusion structure 1 is connected to installed part 4. The mounting part 4 is also used for connecting the welding head 101, and the driving motor 3 can drive the mounting part 4 and the welding head 101 to move through the automatic meshing structure 1 so as to adjust the position of the welding head 101.

Referring to fig. 2, the automatic engaging structure 1 includes a screw rod 11, a slider 12 and an elastic member 13, the screw rod 11 is inserted into and threaded with the slider 12, and the elastic member 13 is disposed on the slider 12.

The slider 12 includes a body 121, a bite block 122, a connection flange 123, a positioning block 124 and a driving ring 125, the bite block 122 and the connection flange 123 are respectively located at two ends of the body 121, the driving ring 125 is sleeved on the body 121, and the positioning block 124 is located at one side of the connection flange 123 facing away from the body 121.

The number of the engagement blocks 122 is three, and three engagement blocks 122 are disposed around the axial circumference of the screw rod 11, it is understood that in other embodiments, the number of the engagement blocks 122 may also be other numbers, such as two, four or more, and is not limited herein.

Referring to fig. 3, each of the engagement blocks 122 has a driving bevel 1221 on a side facing the body 121, and three engagement blocks 122 correspond to three driving bevels 1221. One side of the driving ring 125 abuts against the three driving inclined surfaces 1221 at the same time, the other side of the driving ring 125 abuts against the elastic member 13, the elastic member 13 abuts against the driving ring 125 by releasing elastic force, the driving ring 125 abuts against the three driving inclined surfaces 1221 at the same time, the three engagement blocks 122 are mutually closed along the radial direction, and the inner side of each engagement block 122 is provided with a thread, so that the three engagement blocks 122 can be engaged with the screw rod 11 more tightly through the threads.

After the three engaging blocks 122 are used for a long time, if the thread between the engaging blocks 122 and the screw rod 11 is worn greatly, so that gaps occur between the engaging blocks 122 and the screw rod 11, the elastic member 13 can automatically release the elastic force to simultaneously press against the driving inclined surfaces 1221 of the three engaging blocks 122 through the driving ring 125, the three engaging blocks 122 automatically draw close to each other along the radial direction, and then the threads of the three engaging blocks 122 tightly engage the screw rod 11 again, the whole process does not need manual operation, and the screw rod 11 or the sliding block 12 does not need to be replaced manually, so that the cost is saved, and the manpower is also saved.

The driving inclined surface 1221 of the embodiment shown in fig. 3 is a straight conical surface, and in other embodiments, the driving inclined surface 1221 may be a curved surface in the axial direction of the slider 12, and the curved surface may be concave toward the inside of the slider 12 or convex toward the outside of the slider 12, which is not limited herein.

The body 121 has a plurality of open grooves 1211, the plurality of open grooves 1211 are disposed around the circumference of the body 121, and each open groove 1211 extends to connect to a partition of two adjacent bite blocks 122. The presence of the open slot 1211 makes it easier for the plurality of bite blocks 122 to be drawn toward each other to bite into the lead screw 11.

The body 121 is not provided with threads inside, the inner wall of the connecting flange 123 is provided with threads, and the connecting flange 123 and the plurality of engaging blocks 122 are connected to the screw rod 11 in a threaded manner, so that the screw rod 11 can drive the sliding block 12 to move back and forth when rotating. Of course, in other embodiments, the body 121 may be internally threaded to enhance the stability of the connection between the slider 12 and the lead screw 11.

The axial direction is a direction parallel to the central axis of the screw rod 11, and the radial direction is a direction perpendicular to the central axis of the screw rod 11.

It is understood that, in other embodiments, the body 121 may further be provided with a plurality of engaging blocks 122 on two opposite sides in the axial direction, and the number of the elastic pieces 13 in this embodiment is two, and the two elastic pieces 13 can respectively drive the plurality of engaging blocks 122 on the corresponding sides to be engaged with the screw rod 11 in a threaded manner, so that the threaded connection between the entire sliding block 12 and the screw rod 11 is tighter.

The attachment flange 123 is used to attach the mounting 4 so that the slide 12 is attached to the welding head 101 via the mounting 4. Connecting holes 1231 are formed at both sides of the connecting flange 123, and screws can be inserted into the connecting holes 1231 to be threadedly connected to the mounting member 4, so that the mounting member 4 is mounted on the sliding block 12.

Locating piece 124 is used for cooperating with installed part 4 joint, and when installed part 4 passed through the screw fixation on connection flange 123, installed part 4 was here cooperated with locating piece 124 joint to 4 location of installed part, make the installation of installed part 4 more stable.

The mounting member 4 comprises a first plate 41 and a second plate 42 which are arranged perpendicularly to each other, the first plate 41 is perpendicular to the extension direction (axial direction) of the screw rod 11, and one end of the second plate 42 far away from the first plate 41 is connected with the welding head 101

The lead screw 11 rotates to be connected in base 2, and driving motor 3 connects the one end of lead screw 11, and driving motor 3 can drive the relative base 2 rotation of lead screw 11, and lead screw 11 passes through screw-thread fit, drives smoothly, 12 along the axial round trip movement of lead screw 11 to drive installed part 3 and bonding tool 101 round trip movement, in order to adjust the position of bonding tool 101, make things convenient for bonding tool 101 to work.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions and improvements can be made, and all of them should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. An automatic engaging structure, comprising:

a screw rod;

the screw rod penetrates through the sliding block, the sliding block comprises a body and a plurality of meshing blocks connected with the body, the meshing blocks are arranged around the axial periphery of the screw rod, and one side, facing the body, of each meshing block is provided with a driving inclined plane;

the elastic piece is arranged on the body and can simultaneously support and press the plurality of driving inclined planes so as to drive the plurality of occluding blocks to mutually approach each other along the radial direction and occlude the screw rod in a threaded manner.

2. The automatic meshing structure of claim 1, further comprising a driving ring, wherein the driving ring is sleeved on the body and located between the meshing blocks and the elastic member, and the elastic member can press the driving ring through elastic force, so that the driving ring can press the driving inclined surfaces, and further the meshing blocks are driven to mutually approach each other along a radial direction.

3. The automatic engaging structure according to claim 2, wherein said driving slope forms an angle of 30 ° to 45 ° with a central axis of said screw rod.

4. The automatic engagement structure according to claim 1, wherein the body has a plurality of the engagement blocks at two opposite sides in an axial direction thereof, and the elastic member has two elastic members each capable of driving the plurality of the engagement blocks at the corresponding side to be engaged with the screw rod by screwing.

5. The automatic engaging structure according to any one of claims 1 to 4, wherein said slider further comprises a connecting structure provided on said body, said connecting structure being adapted to detachably connect the working assembly.

6. The automatic meshing structure of claim 5, wherein the connecting structure comprises a connecting flange arranged on the body, the connecting flange is provided with a connecting hole, and a screw can pass through the connecting hole so as to be in threaded connection with the working assembly.

7. The automatic engaging structure according to claim 6, wherein said connecting structure further comprises a positioning block provided on said connecting flange, said positioning block being located on a side of said connecting flange facing away from said body.

8. A position adjusting device is characterized by comprising a base, a driving motor, an installation part and the automatic meshing structure as claimed in any one of claims 1 to 7, wherein the driving motor is arranged on the base, the screw rod is rotatably connected to the base, the driving motor is connected with one end of the screw rod, one end of the installation part is connected with the body, the other end of the installation part is used for connecting a working assembly, the driving motor can drive the screw rod to rotate relative to the base, the sliding block is driven to move back and forth along the axial direction of the screw rod through threaded fit, and the installation part and the working assembly are further driven to move back and forth.

9. A position adjustment arrangement as claimed in claim 8, wherein the mounting comprises first and second panels arranged perpendicularly to one another, the first panel extending perpendicularly to the screw, an end of the second panel remote from the first panel being connected to a working assembly.

10. A wire bonding machine comprising a welding head and a position adjustment device as claimed in any one of claims 8 or 9, said welding head being provided at an end of said mounting member remote from said body.