CN217599686U

CN217599686U - Equidistant width-adjusting conveying mechanism for plates

Info

Publication number: CN217599686U
Application number: CN202221501889.8U
Authority: CN
Inventors: 帅裕彬; 颜朝信; 赵卫平; 朱辉
Original assignee: Symtek Automation Dongguan Co Ltd
Current assignee: Symtek Automation Dongguan Co Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-10-18
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a plate equidistant width-adjusting conveying mechanism, which comprises a first conveying module, a second conveying module, a first supporting module and a first width-adjusting module; the first width adjusting module comprises a first motor, a first screw rod and a second screw rod, a rotating shaft of the first motor is connected with the first screw rod and the second screw rod, a first nut used for being connected with the second conveying module is movably arranged on the first screw rod, a second nut used for being connected with the first supporting module is movably arranged on the second screw rod, and the screw pitch of the second screw rod is 1/2 of that of the first screw rod. A first motor can drive the second to carry the module and the first equidistant width of adjusting of support module through first screw rod and second screw rod, and its simple structure just easily controls the displacement of second and carries module and first support module to promote the second and carry the operating efficiency that the module and the first support module width were adjusted.

Description

Plate equal-spacing width-adjusting conveying mechanism

Technical Field

The utility model belongs to the technical field of conveying mechanism and specifically relates to indicate a equidistant width conveying mechanism that transfers of plate.

Background

The size and weight of the present PCB board are various; most of conveying devices for conveying the PCB in the market adopt two guide rails to convey the PCB, but when the PCB with larger size is conveyed, the thickness of the PCB is thinner; once the PCB with larger size is carried on the two guide rails for conveying, the middle part of the PCB is recessed due to gravity, and the PCB is deformed too much and falls onto the two guide rails in serious cases, so that the reliability of the operation of conveying the PCB is poor.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a plate width-adjusting mechanism with an equal distance therebetween, which is reasonable in structural arrangement and can effectively solve the problem of poor operation reliability of the conventional conveying mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plate equidistant width-adjusting conveying mechanism comprises a first conveying module, a second conveying module, a first supporting module and a first width-adjusting module, wherein the second conveying module and the first conveying module are arranged at intervals, and the first supporting module is positioned between the first conveying module and the second conveying module;

the first width adjusting module comprises a first motor, a first screw rod and a second screw rod, a rotating shaft of the first motor is connected with the first screw rod and the second screw rod, a first nut used for being connected with the second conveying module is movably arranged on the first screw rod, a second nut used for being connected with the first supporting module is movably arranged on the second screw rod, and the screw pitch of the second screw rod is 1/2 of that of the first screw rod.

Furthermore, the device also comprises a nut connecting block; one end of the nut connecting block is provided with a clamping part for inserting the first nut and the second nut, and the other end of the nut connecting block is connected with the second conveying module and the first supporting module.

Furthermore, the device also comprises a base, wherein the base is provided with a first guide rail, and the first guide rail is provided with a first group of sliding blocks and a second group of sliding blocks;

the first conveying module and the second conveying module are provided with brackets, and the first supporting module is provided with a first fixing plate;

the support of first transport module is fixed to be installed in the base, and the support of second transport module is fixed to be installed in second group slider, and first fixed plate is fixed to be installed in first group slider.

Furthermore, the limiting block is arranged on the support and the first fixing plate and provided with a limiting groove for the nut connecting block to be inserted movably.

Further, belt pulleys are installed on the output end of the first motor, the first screw rod and the second screw rod, and three belt pulleys are connected with a belt.

Furthermore, the first conveying module and the second conveying module further comprise large rollers arranged at the head end and the tail end of the support, a plurality of small rollers arranged on the support and positioned between the head end and the tail end of the large rollers, circular belts arranged on the large rollers and the small rollers, and a second motor used for driving the large rollers to rotate, wherein the second motor is fixedly arranged on the support.

Furthermore, the top of the big roller is flush with the top of the small roller, and the big roller and the small roller are provided with first grooves for mounting a round belt.

Furthermore, the first supporting module further comprises a first cylinder installed on the first fixing plate, a first moving plate installed on the telescopic rod of the first cylinder, and a plurality of supporting wheels installed on the first moving plate.

Furthermore, a plurality of supporting wheels are arranged at intervals along the left-right extension direction of the first moving plate, and the supporting wheels can be arranged in a rotating way; the supporting wheel all is provided with the second recess, and the built-in rubber circle that is used for leaning on the material surface that is equipped with of second recess.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the first supporting module is arranged in the center between the first conveying module and the second conveying module, so that the PCB loaded on the first conveying module and the second conveying module can be supported by the first supporting module, the problem that the center of the PCB collapses and then falls off the first conveying module and the second conveying module is avoided, and the reliability of the PCB during transportation is improved; meanwhile, the first width adjusting module simultaneously drives the first screw rod and the second screw rod to rotate through the first motor, so that when the second conveying module displaces, the first supporting module synchronously displaces and is positioned in the center between the first conveying module and the second conveying module; therefore, the first motor can drive the second conveying module and the first supporting module to adjust the width at equal intervals through the first screw rod and the second screw rod, the structure is simple, the displacement of the second conveying module and the first supporting module is easy to control, and therefore the operation efficiency of adjusting the width of the second conveying module and the first supporting module is improved.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic perspective view of an automatic conveying device according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of another angle of the automatic conveying device according to the preferred embodiment of the present invention;

fig. 3 is a top view of the automatic conveying device according to the preferred embodiment of the present invention (omitting the material grasping mechanism);

fig. 4 is a bottom view of the automatic conveying apparatus according to the preferred embodiment of the present invention (omitting the linear actuator);

FIG. 5 is a schematic perspective view of a first width adjustment module according to a preferred embodiment of the present invention;

fig. 6 is a partially exploded view of the automatic conveying device according to the preferred embodiment of the present invention;

fig. 7 is a schematic perspective view of a first supporting module according to a preferred embodiment of the present invention.

Description of the figures:

1. a base; 11. a first guide rail; 12. a first set of slides; 13. a second set of slides; 14. a linear actuator;

2. a conveying mechanism; 21. a first conveying module; 211. a support; 2111. a limiting block; 2112. a limiting groove; 2113. a top stop plate; 212. a large roller; 2121. a first groove; 213. a small roller; 214. a round belt; 215. a second motor; 22. a second conveying module; 221. a nut connecting block; 2211. a clamping part; 23. a first supporting module; 231. a first fixing plate; 232. a first cylinder; 233. a first moving plate; 234. a support wheel; 2341. a second groove; 2342. a rubber ring; 24. a first width adjusting module; 241. a first motor; 242. a first screw; 243. a second screw; 244. a first nut; 245. a second nut;

3. a clapper mechanism; 31. a clapper executing module; 311. a second cylinder; 312. a second movable plate; 32. a clapper head;

4. a material grabbing mechanism; 41. a first bearing plate; 42. a first adjustment structure; 421. a first through groove; 422. a first bolt; 423. a first fixed frame strip; 43. a suction nozzle.

Detailed Description

Referring to fig. 1 to 7, a specific structure of a preferred embodiment of the present invention is shown, which is a plate equal-spacing width-adjusting conveying mechanism, mainly applied to but not limited to an automatic conveying device, for adapting to conveying plates with different sizes; therefore, in the embodiments of the present application, an automatic conveying apparatus is described as an example.

Referring to fig. 1 to 4, the automatic conveying device includes: the device comprises a base 1, a conveying mechanism 2, a clapper mechanism 3 and a material grabbing mechanism 4.

The conveying mechanism 2 comprises a first conveying module 21 fixedly arranged on the base 1, a second conveying module 22 movably arranged on the base 1, a first supporting module 23 movably arranged on the base 1 and a first width adjusting module 24 used for driving the second conveying module 22 and the first supporting module 23 to move; the second conveying module 22 is arranged at a distance from the first conveying module 21, and the first supporting module 23 is positioned between the first conveying module 21 and the second conveying module 22; when the first width adjusting module 24 drives the second conveying module 22 to move, the first support module 23 is driven to move and is positioned at the center between the first conveying module 21 and the second conveying module 22; the clapper mechanism 3 is respectively arranged on the first conveying module 21 and the second conveying module 22, the clapper mechanism 3 comprises a clapper executing module 31 and a plurality of clapper heads 32 arranged on the clapper executing module 31, and the clapper executing module 31 drives the plurality of clapper heads 32 to move towards the center between the first conveying module 21 and the second conveying module 22 so as to adjust the position of the material.

Referring to fig. 1-4 and 6, in the embodiment of the present application, each of the first conveying module 21 and the second conveying module 22 includes a bracket 211, a large roller 212 installed at a head end and a tail end of the bracket 211, a plurality of small rollers 213 installed on the bracket 211 and located between the large rollers 212 at the head end and the tail end, a circular belt 214 installed on the large roller 212 and the small rollers 213, and a second motor 215 for driving the large roller 212 to rotate, wherein the second motor 215 is fixedly installed on the bracket 211 and is connected to the large roller 212 through a belt, so as to provide a power source for the rotation of the circular belt 214.

Specifically, in the left-right extending direction of the bracket 211, the right side is the head end, and the left side is the tail end; the large roller 212 and the small roller 213 of the first conveying module 21 can be rotatably mounted on the front side of the bracket 211, and the large roller 212 and the small roller 213 of the second conveying module 22 can be rotatably mounted on the rear side of the bracket 211; when the PCB is conveyed, the PCB enters the corresponding areas of the first conveying module 21 and the second conveying module 22 from the head end, so that the edge of the PCB is abutted against the circular belt 214; and the top of the large roller 212 is flush with the top of the small roller 213, the large roller 212 and the small roller 213 are both provided with a first groove 2121 for installing the circular belt 214, and the circular belt 214 can be limited by the arrangement of the first groove 2121, so that the circular belt 214 can be reliably connected to the large roller 212 and the small roller 213 and cannot easily fall off.

Compared with the prior art, the first conveying module 21 and the second conveying module 22 adopt the circular belt 214 to convey the PCB, so that the width adjusting operation of the first conveying module 21 and the second conveying module 22 is not affected by the belt.

Referring to fig. 1-5, in the present embodiment, the first width adjusting module 24 includes a first motor 241 fixedly mounted on the base 1, a first screw 242 rotatably mounted on the base 1, and a second screw 243 rotatably mounted on the base 1; a rotating shaft of the first motor 241 is connected with a first screw 242 and a second screw 243, and the pitch of the second screw 243 is smaller than that of the first screw 242; the first screw 242 is movably provided with a first nut 244 for connecting the second conveying module 22, and the second screw 243 is movably provided with a second nut 245 for connecting the first supporting module 23.

Specifically, the pitch of the second screw 243 is 1/2 of the pitch of the first screw 242, the pitch of the first screw 242 is 10mm, and the pitch of the second screw 243 is 5mm; with such a structure, the first motor 241 simultaneously drives the first screw 242 and the second screw 243 to rotate, and when the second conveying module 22 moves relative to the first conveying module 21, the first supporting module 23 synchronously moves and keeps an equal interval with the first conveying module 21 and the second conveying module 22; that is, no matter how far the second conveying module 22 is displaced relative to the first conveying module 21, the spacing distance between the first supporting module 23 and the first conveying module 21 and the spacing distance between the first supporting module 23 and the second conveying module 22 are always kept consistent; the PCB conveyed on the first conveying module 21 and the second conveying module 22 can be supported by the first supporting module 23, so that the middle part of the PCB is prevented from collapsing, and the conveying reliability of the PCB is improved; moreover, through the ingenious pitch that sets up first screw 242 and second screw 243 to when can guaranteeing the displacement of second transport module 22, first support module 23 synchronous displacement keeps equidistant with first transport module 21 and second transport module 22, and it is very convenient to adjust, can use a motor to drive first support module 23 and second transport module 22 displacement simultaneously moreover, saves the quantity of power source, not only can simplify the structure, can also reduce power.

Referring to fig. 1 and 7, the first supporting module 23 includes a first fixing plate 231, a first cylinder 232, a first moving plate 233 and a plurality of supporting wheels 234; the first cylinder 232 is fixedly installed on the first fixed plate 231, the first movable plate 233 and the first fixed plate 231 are arranged at an interval from top to bottom, and an expansion rod of the first cylinder 232 is connected with the bottom of the first movable plate 233; a plurality of support wheels 234 are installed at intervals along the left-right extending direction of the first moving plate 233, and the support wheels 234 are rotatably installed; during operation, the first moving plate 233 is driven by the first cylinder 232 to adjust the heights of the plurality of supporting wheels 234, so that the plurality of supporting wheels 234 can be adapted to be supported by PCBs with different thicknesses; moreover, supporting wheel 234 all is provided with second recess 2341, and the built-in rubber circle 2342 that is used for leaning on the material surface that is equipped with of second recess 2341 finally leans on the bottom surface at the PCB board through rubber circle 2342, can play the problem that prevents the scratch PCB board.

Specifically, the base 1 is provided with a first guide rail 11, the first guide rail 11 is movably provided with a first group of sliding blocks 12 and a second group of sliding blocks 13, the first supporting module 23 is arranged on the first group of sliding blocks 12, and the second conveying module 22 is arranged on the second group of sliding blocks 13; in the embodiment of the present application, the first guide rail 11 has two corresponding guide rails installed on two sides of the upper surface of the base 1, and the first set of sliding blocks 12 and the second set of sliding blocks 13 are arranged at intervals in the front-back direction; during installation, the first fixing plate 231 of the first supporting module 23 is fixedly installed on the first set of sliding blocks 12, the bracket 211 of the second conveying module 22 is fixedly installed on the second set of sliding blocks 13, and the bracket of the first conveying module 21 is fixedly installed on the base 1.

In the meantime, the second conveying module 22 and the first supporting module 23 are both provided with a nut connecting block 221, and the nut connecting block 221 is provided with a clamping portion 2211 into which the first nut 244 and the second nut 245 are inserted; in the embodiment of the present application, the clamping portion 2211 is disposed at the bottom of the nut connecting block 221, and the top of the nut connecting block 221 is connected to the bottom of the bracket 211 of the second conveying module 22 and the bottom of the first fixing plate 231 of the first supporting module 23.

In the embodiment of the present application, the nut connecting block 221, the bracket 211 and the first fixing plate 231 are installed in a floating manner, specifically, the bracket 211 and the first fixing plate 231 are provided with a limiting block 2111, the limiting block 2111 is provided with a limiting groove 2112, and the top of the nut connecting block 221 is movably inserted into the limiting groove 2112. For example, when the first screw 242 transmits the displacement of the first nut 244 when an assembly error of the first screw 242 occurs or an error exists in the coaxiality of the first screw 242, the first nut 244 may be shifted up and down relative to the bracket 211 due to the error; therefore, the top of the nut connecting block 221 can be movably inserted into the limiting groove 2112, and once deviation occurs, the nut connecting block 221 is displaced, so that an error occurring in the first screw 242 is reduced, the clamping stagnation problem occurring when the first screw 242 transmits the first nut 244 is further reduced, and the use reliability of the first width adjusting module 24 is improved.

In the above embodiment, a belt pulley is installed at the output end of the first motor 241, belt pulleys are installed on the first screw 242 and the second screw 243, and the three belt pulleys are connected to a belt, that is, the first motor 241 can drive the first screw 242 and the second screw 243 to rotate simultaneously.

Referring to fig. 1 and fig. 6, the clapper executing module 31 includes a second cylinder 311 and a second movable plate 312 disposed on the telescopic rod of the second cylinder 311, and a plurality of clapper heads 32 are disposed on the second movable plate 312 at equal intervals; specifically, the clapper executing module 31 installed in the first conveying module 21, the second cylinder 311 drives the second movable plate 312 to move forward; the clapper executing module 31 installed on the second conveying module 22, wherein the second cylinder 311 drives the second movable plate 312 to move backwards; therefore, the PCB conveyed to the position of the clapper executing module 31 can be pushed, so that the PCB is positioned at the center between the first conveying module 21 and the second conveying module 22 by the two clapper executing modules 31.

Referring to fig. 1, 2 and 6, the material grabbing mechanism 4 is used for grabbing the PCB loaded on the conveying mechanism 2 and transferring the PCB to a next station; the material grabbing mechanism 4 comprises a first bearing plate 41 and a plurality of suction nozzles 43, wherein the suction nozzles 43 are arranged at intervals; when the material grabbing mechanism 4 is displaced to the position of the clapper mechanism 3, each suction nozzle 43 is positioned between every two clapper heads 32, so as to provide avoidance when the suction nozzle 43 moves downwards to adsorb the PCB, namely the suction nozzles 43 and the clapper heads 32 are arranged in a staggered manner, thereby enabling the clapper mechanism 3 and the material grabbing mechanism 4 to be more compact integrally and saving space.

It should be noted that, the displacement of the material grabbing mechanism 4 is usually achieved by using a robot as a power source, and the first bearing plate 41 is mounted on the robot, so that the whole material grabbing mechanism 4 can be driven by the robot to perform the displacement.

In addition, the device further includes a first adjusting structure 42, the first adjusting structure 42 includes a first through groove 421 penetrating through the first loading plate 41, a first bolt 422 movably installed in the first through groove 421, and a first fixing frame strip 423 connected to the first bolt 422, and the plurality of suction nozzles 43 are fixedly installed in the first fixing frame strip 423. Specifically, the number of the first fixing frame strips 423 is two, and the two first fixing frame strips are respectively arranged corresponding to the first conveying module 21 and the second conveying module 22; that is, the suction nozzles 43 are installed at intervals behind the first fixed frame strip 423, and have two rows, one row is disposed corresponding to the plurality of flap heads 32 of the first conveying module 21, and the other row is disposed corresponding to the plurality of flap heads 32 of the second conveying module 22; once the distance between the first conveying module 21 and the second conveying module 22 is adjusted, the positions of the two first fixing frame strips 423 are adjusted as required by tightening the first bolts 422, so that the two rows of suction nozzles 43 can normally suck the PCB loaded on the first conveying module 21 and the second conveying module 22.

Referring to fig. 1 to 4, the top-stopping plates 2113 are mounted at the tail ends of the brackets 211, and the PCB boards carried on the first conveying module 21 and the second conveying module 22 are moved from the head end to the tail end of the bracket 211 by the rotation of the circular belt 214, and finally the top-stopping plates 2113 mounted at the tail end stop the PCB boards; furthermore, the plurality of clapper heads 32 are driven to move towards the center between the first conveying module 21 and the second conveying module 22, and after the position of the PCB is adjusted, the PCB is sucked by the material grabbing mechanism 4 and transferred to the next station; also, sensors 2114 for recognizing the state of the PCB board are installed at both the head end and the tail end of the bracket 211.

The automatic conveying device is characterized by further comprising a linear actuating mechanism 14 arranged at the bottom of the base 1, and the linear actuating mechanism 14 drives the whole base 1 to move back and forth, so that the automatic conveying device for material width adjustment at equal intervals can be conveniently installed on a production line to be used.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a wide conveying mechanism is transferred to equidistant accent of plate which characterized in that: the conveying mechanism (2) comprises a first conveying module (21), a second conveying module (22), a first supporting module (23) and a first width adjusting module (24), the second conveying module (22) and the first conveying module (21) are arranged at intervals, and the first supporting module (23) is positioned between the first conveying module (21) and the second conveying module (22);

the first width adjusting module (24) comprises a first motor (241), a first screw (242) and a second screw (243), a rotating shaft of the first motor (241) is connected with the first screw (242) and the second screw (243), the first screw (242) is movably provided with a first nut (244) used for connecting the second conveying module (22), the second screw (243) is movably provided with a second nut (245) used for connecting the first supporting module (23), and the thread pitch of the second screw (243) is 1/2 of that of the first screw (242).

2. The plate equal-spacing width-adjusting conveying mechanism according to claim 1, characterized in that: the nut connecting block (221) is further included; one end of the nut connecting block (221) is provided with a clamping part (2211) for inserting the first nut (244) and the second nut (245), and the other end of the nut connecting block is connected with the second conveying module (22) and the first supporting module (23).

3. The plate equal-spacing width-adjusting conveying mechanism according to claim 2, characterized in that: the device is characterized by further comprising a base (1), wherein the base (1) is provided with a first guide rail (11), and the first guide rail (11) is provided with a first group of sliding blocks (12) and a second group of sliding blocks (13);

the first conveying module (21) and the second conveying module (22) are respectively provided with a bracket (211), and the first supporting module (23) is provided with a first fixing plate (231);

the bracket (211) of the first conveying module (21) is fixedly arranged on the base (1), the bracket (211) of the second conveying module (22) is fixedly arranged on the second group of sliding blocks (13), and the first fixing plate (231) is fixedly arranged on the first group of sliding blocks (12).

4. The plate equal-spacing width-adjusting conveying mechanism according to claim 3, characterized in that: the bracket (211) and the first fixing plate (231) are provided with a limiting block (2111), and the limiting block (2111) is provided with a limiting groove (2112) for the nut connecting block (221) to be movably inserted.

5. The plate equal-spacing width-adjusting conveying mechanism according to claim 1, characterized in that: the belt pulleys are installed on the output end of the first motor (241), the first screw rod (242) and the second screw rod (243), and the three belt pulleys are connected with a belt.

6. The plate equal-spacing width-adjusting conveying mechanism according to claim 3, characterized in that: the first conveying module (21) and the second conveying module (22) further comprise large rollers (212) arranged at the head end and the tail end of the support (211), a plurality of small rollers (213) arranged between the large rollers (212) arranged at the head end and the tail end of the support (211), circular belts (214) arranged on the large rollers (212) and the small rollers (213) and a second motor (215) used for driving the large rollers (212) to rotate, wherein the second motor (215) is fixedly arranged on the support (211).

7. The plate equal-spacing width-adjusting conveying mechanism according to claim 6, characterized in that: the top of the big roller (212) is flush with the top of the small roller (213), and the big roller (212) and the small roller (213) are both provided with a first groove (2121) for installing the round belt (214).

8. The plate equal-spacing width-adjusting conveying mechanism according to claim 1, characterized in that: the first supporting module (23) further comprises a first cylinder (232) arranged on the first fixing plate (231), a first moving plate (233) arranged on an expansion link of the first cylinder (232), and a plurality of supporting wheels (234) arranged on the first moving plate (233).

9. The plate equal-spacing width-adjusting conveying mechanism according to claim 8, characterized in that: a plurality of supporting wheels (234) are arranged at intervals along the left-right extension direction of the first moving plate (233), and the supporting wheels (234) can be rotatably arranged; supporting wheel (234) all are provided with second recess (2341), and second recess (2341) is built-in to be equipped with and is used for leaning on rubber circle (2342) on the material surface.