CN216752280U

CN216752280U - Chip mounter send board device

Info

Publication number: CN216752280U
Application number: CN202123135650.1U
Authority: CN
Inventors: 余丽琼
Original assignee: Dongguan Yishi Machinery Equipment Co ltd
Current assignee: Dongguan Yishi Machinery Equipment Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-14
Anticipated expiration: 2031-12-14

Abstract

The utility model belongs to the technical field of chip mounters, in particular to a plate conveying device of a chip mounter, which comprises a first conveying mechanism, a second conveying mechanism and an adjusting mechanism; the first conveying mechanism and the second conveying mechanism are arranged in bilateral symmetry and have the same conveying direction; the fixed end of the adjusting mechanism is fixedly connected with the second conveying mechanism, and the output end of the adjusting mechanism is in linkage connection with the first conveying mechanism; the output end of the adjusting mechanism moves to drive the first conveying mechanism to move, and then the first conveying mechanism is close to or far away from the second conveying mechanism. Therefore, the practicability is greatly improved, another chip mounter is not needed, and the production cost is greatly reduced.

Description

Chip mounter send board device

Technical Field

The utility model belongs to the technical field of the chip mounter, especially, relate to a chip mounter send board device.

Background

Chip mounter: also known as a mounter or a Surface Mount System (Surface Mount System), which is disposed behind a dispenser or a screen printer in a production line, is an apparatus for accurately placing Surface Mount components on PCB pads by moving a mounting head, and is classified into manual and full-automatic. However, the plate feeding device of the conventional chip mounter cannot be adjusted, and cannot adapt to bonding pads with different widths, so that the practicability is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chip mounter send board device aims at solving the chip mounter among the prior art send the technical problem that board device can't adjust its width.

In order to achieve the above object, an embodiment of the present invention provides a plate conveying device for a chip mounter, including a first conveying mechanism, a second conveying mechanism, and an adjusting mechanism; the first conveying mechanism and the second conveying mechanism are arranged in a bilateral symmetry mode, and the conveying directions of the first conveying mechanism and the second conveying mechanism are the same; the fixed end of the adjusting mechanism is fixedly connected with the second conveying mechanism, and the output end of the adjusting mechanism is in linkage connection with the first conveying mechanism; the output end of the adjusting mechanism moves to drive the first conveying mechanism to move, so that the first conveying mechanism is close to or far away from the second conveying mechanism.

Optionally, the adjusting mechanism comprises a first adjusting support seat, a first driving source and a first transmission unit; the first adjusting support seat is fixedly connected with the second conveying mechanism; first drive unit installs on first regulation supporting seat, first driving source with the input linkage of first drive unit is connected, the output of first drive unit with first transport mechanism linkage is connected.

Optionally, the first transmission unit comprises a lead screw and a nut seat; the right end of the screw rod is rotatably connected with the first adjusting support seat through a bearing; the first driving source is in linkage connection with the right end of the screw rod; the nut seat is rotatably connected with the screw rod; the nut seat is fixedly connected with the first transmission mechanism.

Optionally, the first drive source comprises a wheel and a pinch portion; the rotating wheel is in linkage connection with the first transmission unit; the hand-pinching part is fixedly arranged on the surface of the rotating wheel far away from the first transmission unit; wherein the axis of the runner is parallel to the horizontal direction.

Optionally, be provided with a plurality of anti-skidding stripe on the excircle surface of runner, a plurality of anti-skidding stripe is followed the axis direction of runner extends, and a plurality of anti-skidding stripe is followed the circumference interval arrangement of runner.

Optionally, the adjustment mechanism further comprises a guide unit; the guide unit is provided with a moving end moving along a preset direction; the moving end of the guide unit is fixedly connected with the first conveying mechanism.

Optionally, the guide unit comprises a slide rail and a slide block; the sliding block is connected with the sliding rail in a sliding manner; the sliding block is fixedly connected with the first transmission mechanism.

Optionally, the adjusting mechanisms are provided in two groups; the two groups of adjusting mechanisms are respectively positioned at the front end and the rear end of the first conveying mechanism.

Optionally, the device further comprises a first driving mechanism and a second driving mechanism; the first conveying mechanism comprises a first conveying belt unit, a second conveying belt unit and a first supporting plate; the second conveying mechanism comprises a third conveying belt unit, a fourth conveying belt unit and a second supporting plate; the first conveying belt unit and the second conveying belt unit are arranged on the first supporting plate, and the third conveying belt unit and the fourth conveying belt unit are arranged on the second supporting plate; the first driving mechanism is in linkage connection with the first conveying belt unit and the third conveying belt unit; the second driving mechanism is in linkage connection with the second conveying belt unit and the fourth conveying belt unit; the stiff end of adjustment mechanism with second backup pad fixed connection, adjustment mechanism's output with first backup pad linkage is connected.

Optionally, the first conveying mechanism further comprises a first fixing unit; the first fixing unit is arranged on the first supporting plate and located at the front end of the second conveying unit to fix the welding disc.

The embodiment of the utility model provides a pair of above-mentioned one or more technical scheme in chip mounter's the board device that send has one of following technological effect at least: the first conveying mechanism is located the left side of second conveying mechanism, and both symmetry settings just all are used for conveying the pad. During conveying, the left end and the right end of the bonding pad are respectively positioned on the first conveying mechanism and the second conveying mechanism, and the movable end of the first conveying mechanism and the movable end of the second conveying mechanism are at the same speed, so that the bonding pad is prevented from slipping and rotating. When the width of the bonding pad is changed, the adjusting mechanism is driven to enable the movable end of the adjusting mechanism to move in the left-right direction, so that the distance between the first conveying mechanism and the second conveying mechanism is adjustable, and the bonding pad is suitable for bonding pads with different widths. Therefore, the practicability is greatly improved, another chip mounter is not needed, and the production cost is greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an adjusting mechanism according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a board feeding device of a chip mounter according to an embodiment of the present invention.

Wherein, in the figures, the various reference numbers:

10-adjusting mechanism 20-first transfer mechanism 30-second transfer mechanism

40-first driving mechanism 50-second driving mechanism 60-limiting module

11-first transmission unit 12-first driving source 13-first adjusting support seat

14-slide rail 15-slide block 111-screw rod

112-nut seat 121-rotating wheel 122-hand pinch part

21-first conveyor unit 22-second conveyor unit 23-first support plate

24-horizontal pushing module 25-first vertical pushing module 31-second support plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description of the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1-2, a board conveying device of a chip mounter is provided, including a first conveying mechanism 20, a second conveying mechanism 30, and an adjusting mechanism 10; the first conveying mechanism 20 and the second conveying mechanism 30 are arranged in a left-right symmetry manner, and the conveying directions are the same; the fixed end of the adjusting mechanism 10 is fixedly connected with the second conveying mechanism 30, and the output end of the adjusting mechanism 10 is in linkage connection with the first conveying mechanism 20; wherein, the output end of the adjusting mechanism 10 moves, so as to drive the first conveying mechanism 20 to move, and further make it close to or far away from the second conveying mechanism 30.

Specifically, the first transfer mechanism 20 is located on the left side of the second transfer mechanism 30, and both are symmetrically disposed and used for transferring the pads. During conveying, the left end and the right end of the pad are respectively positioned on the first conveying mechanism 20 and the second conveying mechanism 30, and the speed of the movable end of the first conveying mechanism 20 is the same as that of the movable end of the second conveying mechanism 30, so that the pad is prevented from slipping and rotating. When the width of the pad is changed, the adjusting mechanism 10 is driven to move the movable end of the pad in the left-right direction, so that the distance between the first conveying mechanism 20 and the second conveying mechanism 30 is adjustable, and the pad is suitable for pads with different widths. Therefore, the practicability is greatly improved, another chip mounter is not needed, and the production cost is greatly reduced.

In another embodiment of the present invention, as shown in fig. 1 to 2, the adjusting mechanism 10 includes a first adjusting support base 13, a first driving source 12 and a first transmission unit 11; the first adjusting support base 13 is fixedly connected with the second conveying mechanism 30; first drive unit 11 is installed on first regulation supporting seat 13, first driving source 12 with the input linkage of first drive unit 11 is connected, the output of first drive unit 11 with first transport mechanism 20 linkage is connected.

Specifically, it should be understood that the utility model discloses a chip mounter send board device to install on chip mounter's base, so first regulation supporting seat 13 is installed on chip mounter's base. When the device is used, the first driving source 12 drives the input end of the first transmission unit 11, so that the output end of the first transmission unit 11 operates, the first transmission mechanism 20 is driven to move in the left-right direction, and the purpose that the first transmission mechanism 20 is far away from or close to the second transmission mechanism 30 is achieved.

In another embodiment of the present invention, as shown in fig. 1-2, the first transmission unit 11 includes a screw rod 111 and a nut seat 112; the right end of the screw rod 111 is rotatably connected with the first adjusting support base 13 through a bearing; the first driving source 12 is linked with the right end of the screw rod 111; the nut seat 112 is rotatably connected with the screw rod 111; the nut seat 112 is fixedly connected to the first transfer mechanism 20.

Specifically, in the present embodiment, the first transmission unit 11 employs a lead screw 111 module, and the movement precision is high. The left end of the screw 111 is further provided with a second adjusting support seat, the left end of the screw 111 is rotatably connected with the second adjusting support seat through a bearing, and the first transmission mechanism 20 and the second transmission mechanism 30 are both located between the first adjusting support seat 13 and the second adjusting support seat. This is provided to improve the stability of the lead screw 111, thereby improving the stability and accuracy of the nut holder 112 and the first transfer mechanism 20. In use, the first driving source 12 drives the lead screw 111 to rotate, so that the nut seat 112 moves in the left-right direction, and the first conveying mechanism 20 is driven to move in the left-right direction.

In another embodiment of the present invention, as shown in fig. 1 to 2, the first driving source 12 includes a wheel 121 and a handle 122; the rotating wheel 121 is in linkage connection with the first transmission unit 11; the hand-pinching part 122 is fixedly arranged on the surface of the rotating wheel 121 far away from the first transmission unit 11; wherein the axis of the runner 121 is parallel to the horizontal direction.

Further, a plurality of anti-slip stripes are arranged on the outer circumferential surface of the rotating wheel 121, the plurality of anti-slip stripes extend along the axis direction of the rotating wheel 121, and the plurality of anti-slip stripes are arranged at intervals along the circumferential direction of the rotating wheel 121.

Specifically, in the present embodiment, the driving of the lead screw 111 is manually implemented. The right end face of the screw 111 protrudes out of the right end face of the first adjusting support base 13, that is, the rotating wheel 121 is located on the right side of the first adjusting support base 13, and the rotating wheel 121 is fixedly arranged at the right end of the screw 111. The knob portion 122 has a cylindrical shape, and is screwed to the right end surface of the wheel 121 at the outer edge of the right end surface. When the nut holder 112 is used, the finger is used to hold the hand-holding portion 122, and then the hand-holding portion 122 is rotated, so as to drive the rotating wheel 121 and the lead screw 111 to rotate, thereby moving the nut holder 112 in the left-right direction. Of course, the wheel 121 may be directly rotated. The rotating wheel 121 is arranged here, so that the staff can firstly rotate the hand-pinching part 122 to realize coarse adjustment, and then rotate the rotating wheel 121 to perform fine adjustment, which is beneficial to accelerating the adjustment speed. The anti-slip stripes are provided on the wheel 121 to increase friction and feedback.

In another embodiment of the present invention, as shown in fig. 1-2, the adjusting mechanism 10 further includes a guiding unit; the guide unit is provided with a moving end moving along a preset direction; the moving end of the guiding unit is fixedly connected with the first conveying mechanism 20.

Further, the guide unit includes a slide rail 14 and a slider 15; the sliding block 15 is connected with the sliding rail 14 in a sliding manner; the slide 15 is fixedly connected to the first transport mechanism 20.

Specifically, in the present embodiment, the guiding unit is a linear guide, and the slide rail 14 is mounted on the base of the chip mounter. By arranging the guide unit, the motion precision of the first conveying mechanism 20 is improved; secondly, the first transmission mechanism 20 is supported, and the force of the screw rod 111 in the vertical direction is reduced, so that the service life of the screw rod 111 is prolonged. Third, it allows the worker to use less force to drive the first transfer mechanism 20.

In another embodiment of the present invention, as shown in fig. 1-2, two sets of adjusting mechanisms 10 are provided; the two groups of adjusting mechanisms 10 are respectively positioned at the front end and the rear end of the first conveying mechanism 20. Specifically, two sets of adjusting mechanisms 10 are provided to uniformly apply force to the first conveying mechanism 20 and the second conveying mechanism 30, and in addition, the force applied to a single adjusting mechanism 10 can be reduced, thereby prolonging the service life of the adjusting mechanism 10. Moreover, two sets of adjusting mechanisms 10 are arranged, so that a worker can use the principle of being nearby and select the adjusting mechanism 10 closest to the worker to adjust the first conveying mechanism 20, and the practicability and the flexibility are greatly improved.

In another embodiment of the present invention, as shown in fig. 1-2, the present invention further comprises a first driving mechanism 40 and a second driving mechanism 50; the first conveying mechanism 20 comprises a first conveying belt unit 21, a second conveying belt unit 22 and a first supporting plate 23; the second conveying mechanism 30 includes a third conveyor belt unit, a fourth conveyor belt unit, and a second support plate 31; the first conveyor belt unit 21 and the second conveyor belt unit 22 are both arranged on the first support plate 23, and the third conveyor belt unit and the fourth conveyor belt unit are both arranged on the second support plate 31; the first driving mechanism 40 is linked with the first conveyor belt unit 21 and the third conveyor belt unit; the second driving mechanism 50 is linked with the second conveyor belt unit 22 and the fourth conveyor belt unit; the stiff end of adjustment mechanism 10 with second backup pad 31 fixed connection, adjustment mechanism 10's output with first backup pad 23 linkage is connected.

Specifically, in the present embodiment, the first driving mechanism 40 includes a first driving motor and a first rotating shaft, the first rotating shaft is rotatably connected to the base of the chip mounter, and the first driving motor is linked to the first rotating shaft to rotate the first driving motor. The first driving motor is installed on a base of the chip mounter. The first conveyor belt unit 21 includes a first driving pulley and two first driven pulleys. The outer circle surface of the first rotating shaft is provided with a plane, the plane extends along the axis direction of the first rotating shaft, and the first driving wheel is sleeved on the first rotating shaft in a matching manner and is rotatably connected with the first supporting plate 23. So set up for first action wheel can not only rotate along with the rotation of first axis of rotation, can also slide along the axis direction of first axis of rotation. Two first follow driving wheels all can rotate to be connected on first backup pad 23, and along fore-and-aft direction interval arrangement, and first action wheel is located two first below from the driving wheel, and first action wheel and two are first to be connected through a driving belt linkage from between the driving wheel, and this driving belt is used for conveying the pad. Further, the left side and the right side of the first driving wheel are provided with a first auxiliary wheel so as to improve the tension of the transmission belt.

The third conveyor belt unit comprises a third driving wheel and two third driven wheels. The third driving wheel is sleeved on the first rotating shaft in a matching manner and is rotatably connected with the second supporting plate 31. So set up for the third action wheel can rotate along with the rotation of first axis of rotation. Two third follow driving wheels all can rotate to be connected on second backup pad 31, and along fore-and-aft direction interval arrangement, and the third action wheel is located two third and follows the below of driving wheel, and the third action wheel is connected through a driving belt linkage between two third follow driving wheels, and this driving belt is used for conveying the pad. Furthermore, a third auxiliary wheel is arranged on each of the left side and the right side of the third driving wheel, so that the tension of the transmission belt is improved.

The second driving mechanism 50 includes a second driving motor and a second rotating shaft, the second rotating shaft is rotatably connected to the base of the chip mounter, and the second driving motor is linked to the second rotating shaft to rotate the chip mounter. The second driving motor is installed on a base of the chip mounter. The second conveyor belt unit 22 includes a second drive pulley and two second driven pulleys. The excircle surface of second axis of rotation is provided with a plane, and this plane extends along the axis direction of second axis of rotation, and second action wheel adaptation cover is established in the second axis of rotation, and with first backup pad 23 rotatable coupling. So set up for the second action wheel can not only rotate along with the rotation of second axis of rotation, can also slide along the axis direction of second axis of rotation. Two second are followed the equal rotatable connection of driving wheel and on first backup pad 23, and along fore-and-aft direction interval arrangement, and the second action wheel is located two second and follows the below of driving wheel, and second action wheel and two second are followed and are connected through a driving belt linkage between the driving wheel, and this driving belt is used for conveying the pad. Furthermore, the left side and the right side of the second driving wheel are provided with a second auxiliary wheel so as to improve the tension of the transmission belt.

The fourth conveyor belt unit comprises a fourth driving wheel and two fourth driven wheels. The fourth driving wheel is sleeved on the second rotating shaft in a matching manner and is rotatably connected with the second supporting plate 31. So set up for the fourth action wheel can rotate along with the rotation of second axis of rotation. Two fourth follow driving wheels all can rotate to be connected on second backup pad 31, and along fore-and-aft direction interval arrangement, and the fourth action wheel is located two fourth from the below of driving wheel, and the fourth action wheel is connected through a driving belt linkage between the driving wheel with two fourth, and this driving belt is used for conveying the pad. Furthermore, a fourth auxiliary wheel is arranged on each of the left side and the right side of the fourth driving wheel, so that the tension force of the transmission belt is improved.

It is worth mentioning that the first conveying unit and the third conveying unit have the same conveying stroke and are symmetrically arranged, the second conveying unit and the fourth conveying unit have the same conveying stroke and are symmetrically arranged, and the conveying stroke of the second conveying unit is larger than that of the first conveying unit. When the bonding pad is used, the bonding pad is conveyed to the second conveying unit and the fourth conveying unit under the action of the first conveying unit and the third conveying unit, and when the bonding pad is conveyed to a proper position by the second conveying unit and the fourth conveying unit, a bonding device of the chip mounter carries out bonding operation on the bonding pad. Meanwhile, the first conveying unit and the third conveying unit are driven by the first driving mechanism 40 and can still operate, so that the next pad to be pasted is conveyed to the tail ends of the first conveying unit and the third conveying unit, and therefore when the pads on the second conveying unit and the fourth conveying unit complete pasting operation and are conveyed away, the pads on the first conveying unit and the third conveying unit can be conveyed to the second conveying unit and the fourth conveying unit at the first time, and production efficiency is greatly improved.

In another embodiment of the present invention, as shown in fig. 1-2, the first conveying mechanism 20 further includes a first fixing unit; the first fixing unit is disposed on the first support plate 23 and located at the front end of the second conveying unit to fix the pad.

Specifically, in this embodiment, the second conveying unit and the fourth conveying unit both include the patch region and the region to be transferred, and the patch region and the region to be transferred belong to the front section and the rear end of the second conveying unit and the fourth conveying unit, respectively. Three groups of limiting plates are arranged at the top of the first supporting plate 23, and the three groups of limiting plates respectively correspond to the patch areas of the first conveying unit and the second conveying unit and the area to be transferred of the second conveying unit. Similarly, three sets of limiting plates are mounted on the top of the second supporting plate 31, and the three sets of limiting plates respectively correspond to the third conveying unit, the patch area of the fourth conveying unit, and the area to be transferred of the fourth conveying unit. The first fixing unit includes a horizontal pushing module 24 and a first vertical pushing module 25 both mounted on the first supporting plate 23, and both are located on the patch area of the second conveying unit. The horizontal push module 24 has a telescopic end moving in the left-right direction. The second support plate 31 is further provided with a second vertical pushing module, which is located on the patch area of the fourth conveying unit, the first vertical pushing module 25 and the second vertical pushing module are symmetrically arranged, and both have a telescopic end moving in the vertical direction. When the pad is moved to the surface mount area, the retractable end of the horizontal pushing module 24 extends out to press the pad against the surface of the second supporting plate 31. At the same time. The telescopic ends of the first vertical pushing module 25 and the second vertical pushing module extend upwards to press the bonding pad against the bottom surfaces of the two groups of limiting plates. Therefore, the fixation of the bonding pad is realized, and the chip mounting precision is greatly improved.

Furthermore, the first supporting plate 23 and the second supporting plate 31 are both provided with a limiting module 60, and the two limiting modules 60 are respectively located on the patch areas of the second conveying unit and the fourth conveying unit. Both the two position-limiting modules 60 have a telescopic end moving in the vertical direction. After the bonding pad after completing the paster operation leaves the paster region completely, the telescopic ends of the two limiting modules 60 move upwards vertically to limit the next further movement of the bonding pad to be reached to the paster region, and therefore the paster precision is greatly improved. The limiting module 60 is provided to enable the pad on the region to be transferred to continue moving, thereby improving efficiency.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a chip mounter send board device which characterized in that: comprises that

A first conveying mechanism;

a second transport mechanism; the first conveying mechanism and the second conveying mechanism are arranged in a bilateral symmetry mode, and the conveying directions of the first conveying mechanism and the second conveying mechanism are the same;

and an adjustment mechanism; the fixed end of the adjusting mechanism is fixedly connected with the second conveying mechanism, and the output end of the adjusting mechanism is in linkage connection with the first conveying mechanism; the output end of the adjusting mechanism moves to drive the first conveying mechanism to move, so that the first conveying mechanism is close to or far away from the second conveying mechanism.

2. The board conveying device of the chip mounter according to claim 1, wherein: the adjusting mechanism comprises a first adjusting support seat, a first driving source and a first transmission unit; the first adjusting support seat is fixedly connected with the second conveying mechanism; first drive unit installs on first regulation supporting seat, first driving source with the input linkage of first drive unit is connected, the output of first drive unit with first transport mechanism linkage is connected.

3. The board conveying device of the chip mounter according to claim 2, wherein: the first transmission unit comprises a screw rod and a nut seat; the right end of the screw rod is rotatably connected with the first adjusting support seat through a bearing; the first driving source is in linkage connection with the right end of the screw rod; the nut seat is rotatably connected with the screw rod; the nut seat is fixedly connected with the first transmission mechanism.

4. The board conveying device of the chip mounter according to claim 2, wherein: the first driving source comprises a rotating wheel and a hand-pinching part; the rotating wheel is in linkage connection with the first transmission unit; the hand-pinching part is fixedly arranged on the surface of the rotating wheel far away from the first transmission unit; wherein the axis of the runner is parallel to the horizontal direction.

5. The board conveying device of the chip mounter according to claim 4, wherein: the anti-skidding structure is characterized in that a plurality of anti-skidding stripes are arranged on the surface of the outer circle of the rotating wheel, the anti-skidding stripes extend in the axis direction of the rotating wheel, and the anti-skidding stripes are arranged in the circumferential direction of the rotating wheel at intervals.

6. The board conveying device of the chip mounter according to claim 2, wherein: the adjusting mechanism further comprises a guide unit; the guide unit is provided with a moving end moving along a preset direction; the moving end of the guide unit is fixedly connected with the first conveying mechanism.

7. The board conveying apparatus of the chip mounter according to claim 6, wherein: the guide unit comprises a slide rail and a slide block; the sliding block is connected with the sliding rail in a sliding manner; the sliding block is fixedly connected with the first transmission mechanism.

8. The board conveying device of the chip mounter according to claim 2, wherein: two groups of adjusting mechanisms are arranged; the two groups of adjusting mechanisms are respectively positioned at the front end and the rear end of the first conveying mechanism.

9. The board conveying device of the chip mounter according to claim 1, wherein: the device also comprises a first driving mechanism and a second driving mechanism; the first conveying mechanism comprises a first conveying belt unit, a second conveying belt unit and a first supporting plate; the second conveying mechanism comprises a third conveying belt unit, a fourth conveying belt unit and a second supporting plate; the first conveying belt unit and the second conveying belt unit are arranged on the first supporting plate, and the third conveying belt unit and the fourth conveying belt unit are arranged on the second supporting plate; the first driving mechanism is in linkage connection with the first conveying belt unit and the third conveying belt unit; the second driving mechanism is in linkage connection with the second conveying belt unit and the fourth conveying belt unit; the stiff end of adjustment mechanism with second backup pad fixed connection, adjustment mechanism's output with first backup pad linkage is connected.

10. The board conveying apparatus of the chip mounter according to claim 9, wherein: the first conveying mechanism further comprises a first fixing unit; the first fixing unit is arranged on the first supporting plate and located at the front end of the second conveying belt unit to fix the welding disc.