CN217884356U - A PCB board conveyor for a placement machine - Google Patents

Abstract

The utility model belongs to the technical field of PCB boards, in particular to a PCB board conveyor of a chip mounter; the method comprises the following steps: the side plate is divided into a left side plate and a right side plate, the left side plate is arranged on the left side of the base, and the right side plate is arranged on the right side of the base; the distance adjusting assembly is arranged on the base and used for automatically aligning the PCBs with different sizes; the distance adjustment assembly includes: the two supporting pieces are arranged on two sides of the base; the sliding rods are symmetrically arranged on the two supporting pieces and move in parallel along the supporting pieces; the guide plates are arranged between the two slide bars on the same side, and the two guide plates are positioned on the same straight line. The utility model discloses a PCB board conveyer of chip mounter can automize and adjust the position that the PCB board was received the paster, avoids the PCB board to take place the displacement in transportation process, and it is convenient to use, does benefit to and improves work efficiency.

Description

A PCB board conveyor for a placement machine

technical field

The utility model belongs to the technical field of PCB boards, in particular to a PCB board conveyor of a placement machine.

Background technique

The placement machine refers to a series of technological processes for processing on the basis of PCB boards. The placement machine is a device used to achieve high-speed and high-precision placement of SMT components. It is configured after the dispensing machine or screen printing machine , by moving the placement head to accurately place the surface mount components on the PCB pad, so as to mount the PCB board.

The Chinese utility model patent whose publication date is CN209731937U discloses a PCB board conveying device for a placement machine, which includes a bracket composed of a vertical strut and a horizontal strut. The two ends of the vertical strut are fixed on the conveyor belt, and the horizontal strut is fixed. On the vertical pole, the adjustment plate and the fixed plate are movably connected with an adjustment block for adjusting the position of the adjustment plate and the fixed plate on the bracket, and a spring is arranged between the adjustment plate and the fixed plate at the same side; the driving device is movable. In the middle position of the horizontal pole; and the generating device, which is fixedly arranged on the conveyor belt support. The utility model provides support for the PCB board by setting the vertical support rod and the horizontal support rod. When the PCB board is in contact with the placement machine, the downward displacement of the PCB board is avoided to ensure the accuracy of the placement process; at the same time, the adjustment The arrangement of the board and the adjusting block realizes the fixing of the front, rear and left and right directions of the PCB board, and can transport PCB boards of different sizes, thereby improving the versatility of the whole device.

Although the above-mentioned patent can fix PCB boards of different sizes, so as to avoid the displacement of the PCB board during the mounting process, the above-mentioned patent needs to manually adjust the position of the adjustment board and the adjustment block according to the size of the PCB board, so that the PCB can be fixed. The board is fixed, such an operation method is not convenient enough, which reduces the production efficiency of the PCB board. Secondly, the PCB board is prone to displacement during transportation, and manual visual judgment is required to determine whether the PCB board is in a better placement position on the conveyor belt.

Therefore, in view of the above-mentioned problems, it is necessary to provide a method that can automatically adjust the position of the PCB board to be mounted, avoid the displacement of the PCB board during the transportation process, and is convenient to use, which is conducive to improving work efficiency.

Utility model content

The purpose of this utility model is to solve the above-mentioned existing technical problems, and provide a device that can automatically adjust the position of the PCB board to be pasted, avoid the displacement of the PCB board during the transportation process, is convenient to use, and is conducive to improving work efficiency.

In view of this, the utility model provides a PCB board conveyor of a mounter, including:

The base has a side plate, the side plate is divided into a left side plate and a right side plate, the left side plate is set on the left side of the base, and the right side plate is set on the right side of the base;

The conveying component is arranged between the left side plate and the right side plate, and is used for conveying the PCB board,

And the distance adjustment component, which is set on the base, is used to automatically align PCB boards of different sizes; the distance adjustment component includes:

There are two supporting parts, which are arranged on both sides of the base;

The sliding rods are symmetrically arranged on the two supporting parts, and the sliding rods move in parallel along the supporting parts;

There are two guide plates, which are arranged between the two slide bars on the same side, and the two guide plates are located on the same straight line;

Two-way ball screw, rotated between the two supports, and cooperates with the guide plate through the nut seat;

The first motor is arranged on a support member on one side, the output end of the first motor passes through and extends out of the support member, and the output end of the first motor is connected with a bidirectional ball screw;

The displacement sensor is arranged between the upper parts of the two supports and directly above the conveying assembly, and is used to detect the conveyed PCB board and transmit the detected information to the PLC control unit;

The pressure sensor is arranged at the ends of the two guide plates close to each other, and is used to detect the pressure exerted by the guide plates on the PCB board, and transmit the detected information to the PLC control unit;

The PLC control unit controls the running state of the first motor according to the received information.

In this technical solution, the PCB board is conveyed through the conveying component. When the displacement sensor detects the positively conveyed PCB board, the displacement sensor transmits the detected information to the PLC control unit, and the PLC control unit according to the received The information controls the running state of the first motor. The first motor drives the two guide plates to approach or move away from each other through the two-way ball screw and the nut seat. At this time, the distance between the conveying components changes, so as to realize the limit of PCB boards of different sizes. When the position of the two guide plates is adjusted to the appropriate size of the PCB board, the guide plate can straighten the PCB board. When the pressure sensor detects that the pressure applied by the guide plate to the PCB board reaches the preset value, the pressure sensor Then a signal is sent out, and the PLC control unit controls the first motor to stop working after receiving the signal, so that the guide plate will not cause damage to the PCB board, and the guide plate can guide the PCB board through the contact between the two guide plates and the PCB board. To ensure that the PCB board can be aligned with the placement position of the placement machine, to avoid the displacement of the PCB board during transportation, and it is not necessary for the staff to visually align the position of the PCB board, which is more convenient, conducive to improving work efficiency and ensuring The location of the PCB board patch.

In the above technical solution, further, the outer end of the slide bar is provided with a limit block.

In this technical solution, through the limit block provided at the outer end of the slide bar, the limit block can limit the position of the slide bar, preventing the slide bar from falling off with its support during the moving process, thereby affecting the PCB board .

In any of the above technical solutions, further, the delivery assembly includes:

The support seat is arranged on both sides of the left side plate and the right side plate;

There are two transmission rods, and the two transmission rods are connected to the support base through bearings;

The driving wheel is set on the transmission rod on the left side plate;

The driven wheel is arranged on the transmission rod on the other side, and is located on the same straight line as the driving wheel;

The conveyor belt is wound between the driving wheel and the driven wheel;

Wherein, the conveying assembly further includes a second motor, and the second motor drives one of the transmission rods to rotate through the drive pulley and the transmission belt, so that the conveyor belt conveys the PCB board.

In this technical solution, the second motor drives the pulley and the transmission belt to drive one of the transmission rods to rotate, the transmission rod drives the driving wheel to rotate, the driving wheel drives the conveyor belt to rotate, the conveyor belt then drives the driven wheel to rotate, and the conveyor belt can rotate the PCB. The board is transported, so that the automatic transport of the PCB board can be realized, the work efficiency is improved, and the use is convenient. When the PCB board is transported, it is not necessary to turn off the second motor.

In any of the above technical solutions, further, both the left side plate and the right side plate are provided with a smoothing plate, and the smoothing plate is located under the conveyor belt.

In this technical solution, by setting the support plate on both sides of the bottom of the conveyor belt, the support plate can limit the position of the conveyor belt, avoiding the sagging phenomenon of the conveyor belt after long-term use, thereby increasing the service life of the conveyor belt ,save resources.

In any of the above technical solutions, further, a cleaning component is included, and the cleaning component includes:

The fixing frame is arranged on the left side plate;

The sponge brush is rotated and installed in the fixed frame, and is located above the conveyor belt;

Wherein, the second motor is arranged on one side of the fixed frame, and the output end of the second motor is connected with the extended shaft end of the sponge brush. The extended shaft end of the sponge brush is provided with a pulley, and one of the transmission rods is provided with a pulley. The two pulleys A drive belt is wound between them.

Since the surface of the PCB board is easy to adhere to dust during the production process, the dust will affect the quality and use of the PCB board production. In order to avoid dust on the PCB board during the placement operation, in this technical solution, the A sponge brush is arranged on the initial end of the belt. When the sponge brush rotates and contacts the PCB board, it can clean the dust on the PCB board, making the surface of the PCB board cleaner, and facilitating the subsequent production of the PCB board.

Specifically, the extension end of the sponge brush is driven by the second motor, thereby driving the sponge brush to rotate, and the sponge brush is in contact with the PCB board during rotation, thereby cleaning the dust on the surface of the PCB board. Clean up the dust on the surface, save time and improve work efficiency.

In any of the above technical solutions, further, a collection component is also included, and the collection component includes:

There are two slide rails, which are arranged in parallel on both sides of the right side plate;

The collection box is slidably arranged between the two slide rails, and is located at the conveying end of the conveyor belt;

The handle is set on one side of the collection box.

In this technical solution, the PCB board is conveyed through the conveyor belt, so that the completed PCB board is transported to the collection box, and the collection box can collect the PCB board. When the PCB board in the collection box is full, The staff will pull the handle to drive the collection box to move along the slide rail until the collection box is out of contact with the slide rail, then the PCB boards in the collection box can be collected, so that the PCB boards that have been patched can be collected , without the need for staff to stand by the conveyor all the time.

In any of the above technical solutions, further, it also includes a mounter, the mounter is arranged directly above the base by means of bolt connection, and is located on the side of the conveyor belt, and the mounter is set on the side close to the cleaning component. There is a feed chute, and a discharge chute is provided on the side of the placement machine close to the collection assembly, wherein the conveyor belt passes through the feed chute and extends out of the discharge chute.

In this technical solution, the conveyor belt transports the PCB board from the feeding trough of the placement machine, and the PCB board is mounted by the placement machine. After the PCB board is mounted, the conveyor belt continues to transport the PCB board , until the PCB board is transported from the discharge chute of the placement machine to the collection box, so that the automatic placement of the PCB board can be realized, with a high degree of automation and resource saving.

In any of the above technical solutions, further, a clamping assembly is also provided in the placement machine, and the clamping assembly includes:

The support platform is symmetrically arranged on both sides of the base and parallel to the conveyor belt;

The guide rod is slidably arranged on the support platform;

There are two clamping parts, which are respectively arranged at the ends of the two guide rods close to each other;

The return spring is sleeved on the guide rod. One end of the return spring abuts against the end surface of the support platform, and the other end of the return spring abuts against the end surface of the clamping member. The outer diameter of the return spring is equal to the outer diameter of the guide rod.

In this technical solution, by setting the clamping parts in the placement machine, the clamping parts clamp the PCB board, so that the PCB board is not easy to be displaced during the placement process, so that the PCB board placement is more accurate, when When the conveyor belt transports the PCB board to the placement machine, the staff pulls the guide rod to move outward along the support platform, the guide rod drives the clamping part to move outward, the return spring is compressed, and then the conveyor belt transports the PCB board to the clamping When the parts are in place, the staff releases the guide rod. Under the reset action of the return spring, the two clamping parts come close to each other and contact the PCB board, and clamp the PCB board. At this time, the PCB board can be clamped. SMT operation, so that the PCB board can be clamped to avoid displacement of the PCB during processing.

The beneficial effects of the utility model are:

1. The first motor drives the two guide plates close to or away from each other through the two-way ball screw and the nut seat, so as to ensure that the PCB board can be aligned with the placement position of the placement machine, and avoid displacement of the PCB board during transportation, without staff It is more convenient to visually align the position of the PCB board, which is conducive to improving work efficiency and ensuring the position of the PCB board patch;

2. The second motor drives the pulley and the transmission belt to drive the transmission rod to rotate, the transmission rod drives the driving wheel to rotate, the driving wheel drives the conveyor belt to rotate, the conveyor belt drives the driven wheel to rotate, and the conveyor belt can transport the PCB board, so convenient It can realize automatic transportation of PCB boards, improve work efficiency and be easy to use;

3. When the sponge brush rotates and contacts the PCB board, it can clean the dust on the PCB board, making the surface of the PCB board cleaner, and facilitating the subsequent production of the PCB board;

4. The PCB board is conveyed through the conveyor belt, so that the PCB board completed with the patch is conveyed to the collection box, so that the PCB board can be collected.

Description of drawings

Fig. 1 is the first three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is a schematic diagram of the second three-dimensional structure of the utility model;

Fig. 3 is a schematic diagram of a partial three-dimensional structure of the utility model;

Fig. 4 is a schematic diagram of the third stereoscopic structure of the utility model;

Fig. 5 is the utility model PLC control unit schematic diagram;

Reference numerals in the figure are: 100, base; 101, left side plate; 102, right side plate; 2, conveying assembly; 21, support seat; 22, transmission rod; 23, driving wheel; 24, driven wheel; 25, Conveyor belt; 3. Distance adjustment component; 31. Support member; 32. Slide bar; 33. Guide plate; 34. Two-way ball screw; 35. First motor; 36. Displacement sensor; 37. Pressure sensor; 38. PLC Control unit; 4, limit block; 5, stroke plate; 6, cleaning component; 61, fixed frame; 62, sponge brush; 63, second motor; 64, pulley; 65, transmission belt; 7, collection component; 71 , slide rail; 72, collection box; 73, handle; 8, mounter; 81, feed chute; 82, discharge chute; 9, clamping assembly; 91, support platform; 92, guide rod; 93, clip Fastener; 94, back-moving spring.

Detailed ways

The following will clearly describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in this application belong to the protection scope of this application.

In the description of the present application, it should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. For the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual scale relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

It should be noted that the terms "first" and "second" in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein, and that references to "first," "second," etc. distinguish Objects are generally of one type, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the specification and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

It should be noted that, in the description of this application, the term orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate The orientation or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate and imply the referred device or Components must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to inside and outside relative to the outline of each component itself.

It should be noted that in this application, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements , but also includes other elements not expressly listed, or also includes elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

This embodiment provides a PCB board delivery device for a mounter 8, comprising:

The base 100 has a side plate on the base 100, the side plate is divided into a left side plate 101 and a right side plate 102, the left side plate 101 is arranged on the left side of the base 100, and the right side plate 102 is arranged on the right side of the base 100;

The conveying assembly 2 is arranged between the left side plate 101 and the right side plate 102, and is used for conveying the PCB board,

And the distance adjustment component 3, which is arranged on the base 100, is used to automatically align PCB boards of different sizes; the distance adjustment component 3 includes:

There are two support members 31, which are arranged on both sides of the base 100;

Slide bar 32, the two supports 31 are symmetrically provided with slide bar 32, and the slide bar 32 moves in parallel along the support 31;

There are two guide plates 33, which are arranged between the two slide bars 32 on the same side, and the two guide plates 33 are located on the same straight line;

The two-way ball screw 34 is rotatably arranged between the two supports 31, and cooperates with the guide plate 33 through a nut seat;

The first motor 35 is arranged on the support member 31 on one side, the output end of the first motor 35 passes through and extends out of the support member 31, and the output end of the first motor 35 is connected with the bidirectional ball screw 34;

The displacement sensor 36 is arranged between the tops of the two supports 31 and directly above the conveying assembly 2, and is used to detect the conveyed PCB board and transmit the detected information to the PLC control unit 38;

The pressure sensor 37 is arranged on one end of the two guide plates 33 close to each other, and is used to detect the pressure applied by the guide plates 33 to the PCB board, and transmit the detected information to the PLC control unit 38;

The PLC control unit 38 controls the running state of the first motor 35 according to the received information.

In this technical solution, the PCB board is conveyed through the conveying assembly 2, and when the displacement sensor 36 detects the positively conveyed PCB board, the displacement sensor 36 transmits the detected information to the PLC control unit 38, and the PLC control unit 38 controls the running state of the first motor 35 according to the received information. The first motor 35 drives the two guide plates 33 to approach or move away from each other through the bidirectional ball screw 34 and the nut seat. At this time, the distance of the conveying assembly 2 changes, thereby Realize the limit delivery of PCB boards of different sizes. When the positions of the two guide plates 33 are adjusted to the appropriate size of the PCB board, the guide plates 33 can straighten the PCB board. When the pressure sensor 37 detects that the guide plate 33 is applied When the pressure value to the PCB board reaches the preset value, the pressure sensor 37 sends a signal, and the PLC control unit 38 controls the first motor 35 to stop working after receiving the signal, so that the guide plate 33 will not cause damage to the PCB board. Two guide plates 33 are in contact with the PCB board, and the guide plates 33 can guide the PCB board to ensure that the PCB board can be aligned with the placement position of the placement machine 8, avoiding displacement of the PCB board during transportation, and no need for work It is more convenient for personnel to visually align the position of the PCB board, which is conducive to improving work efficiency and ensuring the position of the PCB board patch.

In this embodiment, optimally, the outer end of the sliding rod 32 is provided with a limiting block 4 .

In this technical solution, through the limit block 4 provided at the outer end of the slide bar 32, the limit block 4 can limit the slide bar 32 to prevent the slide bar 32 from falling off with the support member 31 during the movement process. Thus affecting the PCB board.

In any of the above technical solutions, further, the conveying assembly 2 includes:

The support base 21 is arranged on both sides of the left side plate 101 and the right side plate 102;

There are two transmission rods 22, and the two transmission rods 22 are connected to the support base 21 through bearings;

The driving wheel 23 is arranged on the transmission rod 22 on the left side plate 101;

The driven wheel 24 is arranged on the transmission rod 22 on the other side, and is located on the same straight line as the driving wheel 23;

The conveyor belt 25 is wound between the driving wheel 23 and the driven wheel 24;

Wherein, the conveying assembly 2 further includes a second motor 63 , and the second motor 63 drives one of the transmission rods 22 to rotate through the drive pulley 64 and the transmission belt 65 , so that the conveyor belt 25 conveys the PCB.

In this technical solution, the pulley 64 and the drive belt 65 are driven by the second motor 63 to drive one of the transmission rods 22 to rotate, the transmission rod 22 drives the driving wheel 23 to rotate, the driving wheel 23 drives the conveyor belt 25 to rotate, and the conveyor belt 25 drives the conveyor belt 25 to rotate. The driving wheel 24 rotates, and the conveyor belt 25 can transport the PCB board, so that the PCB board can be automatically transported, work efficiency is improved, and it is easy to use. When the PCB board does not need to be transported, the second motor 63 can be turned off.

In this embodiment, optimally, both the left side plate 101 and the right side plate 102 are provided with a smoothing plate 5 , and the smoothing plate 5 is located below the conveyor belt 25 .

In this technical solution, by setting the caressing plate 5 on both sides of the bottom of the conveyor belt 25, the caressing plate 5 can limit the position of the conveyor belt 25, avoiding the sagging phenomenon of the conveyor belt 25 after long-term use, thereby increasing The service life of the conveyor belt 25, saving resources.

Example 2:

This embodiment provides a PCB conveying device of the mounter 8, which has the following technical features in addition to the technical solutions of the above embodiments.

In this embodiment, optimization also includes a cleaning assembly 6, and the cleaning assembly 6 includes:

The fixing frame 61 is arranged on the left side plate 101;

The sponge brush 62 is rotated and installed in the fixed frame 61, and is positioned above the conveyor belt 25;

Wherein, the second motor 63 is arranged on one side of the fixed frame 61, and the output end of the second motor 63 is connected with the extended shaft end of the sponge brush 62, and the extended shaft end of the sponge brush 62 is provided with a pulley 64, and one of the transmission rods 22 Pulleys 64 are arranged on the top, and a transmission belt 65 is wound between the two pulleys 64 .

Since the surface of the PCB board is easy to adhere to dust during the production process, the dust will affect the quality and use of the PCB board production. In order to avoid dust on the PCB board during the placement operation, in this technical solution, the Sponge brush 62 is set on the initial end of band 25, and when sponge brush 62 rotates and contacts with PCB board, can clean up the dust on PCB board, makes the surface of PCB board cleaner, is convenient to the follow-up production work of PCB board.

Specifically, the extension end of the sponge brush 62 is driven by the second motor 63, thereby driving the sponge brush 62 to rotate, and the sponge brush 62 contacts the PCB board during rotation, thereby cleaning the dust on the surface of the PCB board, which is convenient to use and does not require staff Manually clean the dust on the PCB, saving time and improving work efficiency.

In this embodiment, optimization also includes a collection component 7, and the collection component 7 includes:

There are two slide rails 71, which are arranged in parallel on both sides of the right side plate 102;

The collection box 72 is slidably arranged between the two slide rails 71, and is located at the conveying end of the conveyor belt 25;

The handle 73 is arranged on one side of the collection box 72 .

In this technical solution, the PCB board is conveyed by the conveyor belt 25, so that the PCB board completed by the patch is conveyed into the collection box 72, and the collection box 72 can collect the PCB board. When the PCB board in the collection box 72 After the collection is full, the staff will pull the handle 73 to drive the collection box 72 to move along the slide rail 71 until the collection box 72 is moved out of contact with the slide rail 71. At this time, the PCB boards in the collection box 72 can be collected, so that The PCB boards that have been pasted can be collected without the need for staff to stand by the conveyor all the time.

Example 3:

In this embodiment, optimally, it also includes a placement machine 8, which is arranged directly above the base 100 by means of bolt connection, and is located on the side of the conveyor belt 25, and the placement machine 8 is close to the cleaning assembly 6. A feed chute 81 is provided on one side, and a discharge chute 82 is provided on the side of the mounter 8 close to the collection assembly 7 , wherein the conveyor belt 25 passes through the feed chute 81 and extends out of the discharge chute 82 .

In this technical solution, the conveyor belt 25 transports the PCB board from the feed slot 81 of the mounter 8, and the PCB board is mounted by the mounter 8, and then the conveyor belt 25 continues to mount the PCB board after the mounting is completed. The PCB board is transported until the PCB board is transported from the discharge trough 82 of the placement machine 8 to the collection box 72, so that the automatic placement of the PCB board can be realized, which has a high degree of automation and saves resources.

In this embodiment, optimally, a clamping assembly 9 is also provided in the placement machine 8, and the clamping assembly 9 includes:

The support platform 91 is symmetrically arranged on both sides of the base 100 and parallel to the conveyor belt 25;

The guide rod 92 is slidably arranged on the supporting platform 91;

There are two clamping parts 93, which are respectively arranged at the ends of the two guide rods 92 close to each other;

The return spring 94 is sleeved on the guide rod 92. One end of the return spring 94 abuts against the end face of the support platform 91, and the other end of the return spring 94 abuts against the end face of the clamping member 93. The outer diameter of the return spring 94 is equal to that of the guide rod 92 the outer diameter.

In this technical solution, by setting the clamping part 93 in the placement machine 8, the clamping part 93 clamps the PCB board, so that the PCB board is not easy to be displaced during the placement process, so that the PCB board is more easily placed. Accurate, when the conveyor belt 25 transports the PCB board to the placement machine 8, the staff pulls the guide rod 92 to move outward along the support platform 91, the guide rod 92 drives the clamping part 93 to move outward, and the return spring 94 is compressed, Then when the conveyor belt 25 transports the PCB board to the clamping part 93, the staff just releases the guide rod 92, and under the resetting action of the back-moving spring 94, the two clamping parts 93 approach each other and contact the PCB board, and the PCB The board is clamped, and at this time, the PCB board can be mounted, so that the PCB board can be clamped to avoid displacement of the PCB during processing.

The embodiments of the present application have been described above in conjunction with the accompanying drawings. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The specific implementation above is only illustrative, rather than restrictive. Under the inspiration of this application, those skilled in the art can also make Many forms all belong to the protection of this application.

Claims (8)

1. A PCB board conveyor of a placement machine, characterized in that, comprising: A base (100), the base (100) has a side plate, the side plate is divided into a left side plate (101) and a right side plate (102), and the left side plate (101) is arranged on the base (100) on the left side, the right side plate (102) is arranged on the right side of the base (100); The conveying assembly (2), arranged between the left side plate (101) and the right side plate (102), is used for conveying the PCB board, And the distance adjustment component (3), which is arranged on the base (100), is used to automatically align PCB boards of different sizes; the distance adjustment component (3) includes: There are two support members (31), which are arranged on both sides of the base (100); A slide bar (32), symmetrically provided with a slide bar (32) on the two supports (31), and the slide bar (32) moves in parallel along the support (31); There are two guide plates (33), which are arranged between the two slide bars (32), and the two guide plates (33) are located on the same straight line; A two-way ball screw (34) is rotatably arranged between the two supports (31), and cooperates with the guide plate (33) through a nut seat; The first motor (35), the support member (31) arranged on one side, the output end of the first motor (35) passes through and stretches out the support member (31), the first motor (35) ) output end is connected with described two-way ball screw (34); The displacement sensor (36) is arranged between the tops of the two supports (31), directly above the conveying assembly (2), and is used to detect the conveyed PCB board, and transmit the detected information to the PLC control unit ( 38); The pressure sensor (37) is arranged on two ends of the guide plates (33) close to each other, and is used to detect the pressure applied by the guide plates (33) to the PCB board, and transmits the detected information to the PLC control unit (38) ; The PLC control unit (38) controls the running state of the first motor (35) according to the received information. 2. The PCB board conveyor of a placement machine according to claim 1, characterized in that, a limit block (4) is provided on the outer end of the slide bar (32). 3. The PCB board conveyer of a kind of placement machine according to claim 1, is characterized in that, described delivery assembly (2) comprises: The support seat (21) is arranged on both sides of the left side plate (101) and the right side plate (102); There are two transmission rods (22), and the two transmission rods (22) are connected to the support base (21) through bearings; The driving wheel (23) is arranged on the transmission rod (22) on the left side plate (101); The driven wheel (24) is arranged on the transmission rod (22) on the other side, and is located on the same straight line as the driving wheel (23); The conveyor belt (25) is wound between the driving wheel (23) and the driven wheel (24); Wherein, the conveying assembly (2) also includes a second motor (63), and the second motor (63) drives one of the transmission rods (22) to rotate through the drive pulley (64) and the transmission belt (65), so that The conveyor belt (25) conveys the PCB board. 4. the PCB board conveyor of a kind of mounter according to claim 3, is characterized in that, described left side plate (101) and right side plate (102) are all provided with caressing plate (5), so The caressing plate (5) is located below the conveyor belt (25). 5. The PCB board conveyer of a kind of placement machine according to claim 3, is characterized in that, also comprises cleaning component (6), and cleaning component (6) comprises: The fixing frame (61) is arranged on the left side plate (101); The sponge brush (62) is rotatably arranged in the fixed frame (61) and located above the conveyor belt (25); Wherein, the second motor (63) is arranged on one side of the fixed frame (61), and the output end of the second motor (63) is connected to the extension shaft end of the sponge brush (62), the The extended shaft end of the sponge brush (62) is provided with a pulley (64), one of the transmission rods (22) is provided with a pulley (64), and a drive belt (65) is wound between the two pulleys (64). ). 6. The PCB board conveyer of a kind of placement machine according to claim 5, is characterized in that, also comprises collection assembly (7), and collection assembly (7) comprises: There are two slide rails (71), which are arranged in parallel on both sides of the right side plate (102); The collection box (72) is slidably arranged between the two slide rails (71), and is located at the delivery end of the conveyor belt (25); The handle (73) is arranged on one side of the collection box (72). 7. The PCB board conveyer of a kind of placement machine according to claim 5, is characterized in that, also comprises placement machine (8), and described placement machine (8) is located at described by the mode of bolt connection. Right above the base (100), and on one side of the conveyor belt (25), the placement machine (8) is provided with a feeding trough (81) on the side close to the cleaning assembly (6). A discharge chute (82) is provided on the side of the sheet machine (8) close to the collection assembly (7), wherein the conveyor belt (25) passes through the feed chute (81) and extends out of the discharge chute (82). 8. The PCB board conveyor of a placement machine according to claim 7, wherein a clamping assembly (9) is also provided in the placement machine (8), and the clamping assembly (9) )include: a support platform (91), symmetrically arranged on both sides of the base (100), and parallel to the conveyor belt (25); a guide rod (92), which is slidably arranged on the support platform (91); There are two clamping parts (93), which are respectively arranged at the ends of the two guide rods (92) close to each other; A return spring (94), sleeved on the guide rod (92), one end of the return spring (94) abuts against the end face of the support platform (91), and the other end of the return spring (94) abuts against The outer diameter of the return spring (94) is equal to the outer diameter of the guide rod (92).

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