Transmission device for PCB transportation

Abstract

The utility model discloses a transmission device for PCB (Printed Circuit Board) transportation, which relates to the technical field of PCBs and comprises a fixed guide rail and a movable guide rail, support rollers are arranged on the side surfaces of the fixed guide rail and the movable guide rail, and a feeding belt is sleeved on the surfaces of the support rollers; the conveying motor drives the rotating shaft to rotate, the two feeding driving wheels respectively drive the feeding belts on the fixed guide rail and the movable guide rail to convey so as to lift PCBs to be conveyed, the feeding belts are supported and lifted through the supporting rollers, and the rollers rotate to reduce friction and deformation of the belts, so that the transmission precision is improved, and the production efficiency is improved. The loading capacity of the device is greatly improved, 10 KG load transportation can be achieved, and therefore the problems that chain transportation is low in precision, large in shaking and low in speed are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of PCB, concretely relates to a transmission device for PCB board transportation. BACKGROUND

[0002] PCB board, also known as printed wiring board, is an important electronic component, is the support body of electronic components, and is the carrier of electrical mutual connection of electronic components. Since it is made of electronic printing, it is called "printed" circuit board.

[0003] The Chinese patent with publication number CN211643707U discloses a kind of transport guide rail top plate mechanism, including installation bottom plate and two guide rail cross arms installed on its top surface, two The guide rail cross arms are arranged in parallel and symmetrically, and conveying mechanism is installed on the two guide rail cross arms, the inner side wall of the guide rail cross arm on both sides is fixed with baffle device, the inner side wall of the guide rail cross arm on one side is fixed with in-place inductor and speed reducer inductor;In the production process of PCB (printed circuit board), there are generally two transport modes of belt and chain to drive PCB transportation, the belt is generally suitable for PCB transportation with light weight (within 5kg load), and the chain is generally used to complete the transportation of PCB with self weight more than 5kg, the transmission precision of this mode is low, the chain operation is large and not stable, and the transportation speed is low.

[0004] Therefore, the utility model is proposed. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, provide a kind of transmission device for PCB board transportation, solve the problems raised in the above background.

[0006] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0007] A kind of transmission device for PCB board transportation, it includes: fixed guide rail and movable guide rail, characterized by, the fixed guide rail side is provided with support roller, the support roller surface is sleeved with feeding belt, the fixed guide rail is close to lower and is provided with feeding driving wheel one, the feeding driving wheel one center position is inserted with shaft, the other end of the shaft is provided with feeding driving wheel two, the feeding driving wheel two surface is sleeved with conveying belt one, the conveying belt one lower end is sleeved with output wheel, the output wheel one side is provided with output motor, the movable guide rail bottom is close to two sides and is provided with adjusting frame.

[0008] Optionally, the left and right sides of the adjusting frame are provided with support shafts and adjusting screws inwardly, the surface of the adjusting screw is sleeved with a sleeve, the sleeve is installed on the adjusting frame, the side of the adjusting screw is sleeved with a screw connecting wheel, the surface of the screw connecting wheel is sleeved with a conveying belt two, and the lower side of the fixed guide rail is provided with an adjusting motor.

[0009] Optionally, the rotating shaft is a polygon.

[0010] Optionally, one side of the conveying belt one is provided with a tension idler one, and the tension idler one is fixed through an adjusting groove one.

[0011] Optionally, one side of the conveying belt two is provided with a tension idler two, and the tension idler two is fixed through an adjusting groove two.

[0012] Optionally, a material stopping plate is arranged between the fixed guide rail and the movable guide rail, and the bottom of the material stopping plate is provided with an adjusting cylinder.

[0013] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art, of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:

[0014] 1. The transmission device for PCB board transportation drives the rotating shaft to rotate through the conveying motor, and the two feeding driving wheels drive the feeding belts on the fixed guide rail and the movable guide rail to transmit, so as to lift the PCB board for transportation, the center position of the feeding belt is supported and lifted through the supporting roller, the roller rotates to reduce friction and deformation of the belt, so as to improve the transmission precision and greatly improve the load capacity of the device, which can realize 10KG load transportation, thereby solving the problems of low precision, large vibration and slow speed of chain transportation.

[0015] 2. The transmission device for PCB board transportation drives the adjusting screw to rotate through the adjusting motor and drives the movable guide rail to move on the support shaft through the threaded engagement of the sleeve, so as to adjust the position between the movable guide rail and the fixed guide rail to put in PCB boards of different widths, improve the application range of the device, and the two conveying belts are provided with tension idlers to adjust the tightness of the belts, reduce the elastic change of the belts after long time work, and maintain the transmission precision and stability of the equipment.

[0016] The specific implementation of the present application will be described in further detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings. In the drawings,

[0018] In the drawings:

[0019] Figure 1 It is another view schematic diagram of the utility model;

[0020] Figure 2 It is another view schematic diagram of the utility model;

[0021] Figure 3 It is sectional view of the utility model;

[0022] Figure 4 It is schematic diagram of the utility model conveying motor.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1, fixed guide rail; 101, feeding belt; 102, supporting roller; 103, feeding driving wheel one; 104, rotating shaft; 105, feeding driving wheel two; 106, conveying belt one; 107, output wheel; 108, tension idler one; 109, adjusting groove one; 110, conveying motor; 2, movable guide rail; 201, adjusting frame; 202, supporting shaft; 203, adjusting screw; 204, sleeve; 205, screw connecting wheel; 206, conveying belt two; 207, adjusting motor; 208, tension idler two; 209, adjusting groove two; 3, material stopping plate; 301, adjusting cylinder.

[0025] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings.

[0027] Please refer to Figures 1-4 As shown in the drawings, a transmission device for PCB board transportation is provided in the embodiment, which comprises a fixed guide rail 1 and a movable guide rail 2.

[0028] As Figures 1-3As shown, the fixed guide rail 1 of the embodiment is provided with support rollers 102 on the side, the surface of the support rollers 102 is sleeved with a feeding belt 101, the fixed guide rail 1 is provided with a feeding driving wheel one 103 close to the lower side, the feeding driving wheel one 103 is sleeved with a rotating shaft 104 at the center position, the rotating shaft 104 is provided with a feeding driving wheel two 105 at the other end, the feeding driving wheel two 105 is sleeved with a conveying belt one 106 on the surface, the conveying belt one 106 is sleeved with an output wheel 107 below, the output wheel 107 is provided with an output motor 110 on one side, the movable guide rail 2 is provided with an adjusting frame 201 close to the two sides at the bottom; wherein the output shaft of the output motor 110 is connected with the output wheel 107, the conveying belt one 106 is connected on the feeding driving wheel two 105, the rotating shaft 104 is sleeved on the feeding driving wheel two 105, the feeding driving wheel one 103 at the other end is driven to rotate by the rotating shaft 104, the feeding belt 101 on the feeding driving wheel one 103 is guided by a plurality of rollers and finally sleeved on the support rollers 102, a plurality of groups of support rollers 102 are evenly arranged on the inner side of the fixed guide rail 1, the support rollers 102 support the feeding belt 101 so that the top is kept horizontal, the PCB is placed on the feeding belt 101 on one side, the feeding belt 101 is rotated by the rotation of the feeding driving wheel one 103, the feeding belt 101 drives the plate to transport forward, the support rollers 102 contact the bottom of the feeding belt 101, the friction is reduced by the rotation of the support rollers 102, and the feeding belt 101 is lifted to prevent it from deforming and sagging, thereby improving the overall precision and stability when the device transports large weight plate, a plurality of groups of support rollers 102 disperse the gravity of the plate, and the pressure of the support rollers 102 is reduced, the movable guide rail 2 on the other side is also connected with the rotating shaft 104 through the feeding driving wheel one 103 installed on the adjusting plate 201, the feeding driving wheel one 103 is connected with the feeding belt 101 on the movable guide rail 2, which is supported by a plurality of groups of support rollers 102, the two feeding driving wheels one 103 are driven by the rotating shaft 104, so that the two feeding belts 101 move synchronously, and the stability of feeding is ensured.

[0029] As Figures 1-3As shown, the adjusting frame 201 of the embodiment is provided with support shafts 202 and adjusting screws 203 on the left and right sides, the adjusting screws 203 are sleeved with sleeves 204, the sleeves 204 are installed on the adjusting frame 201, the adjusting screws 203 are sleeved with screw connecting wheels 205 on one side, the screw connecting wheels 205 are sleeved with conveying belts two 206, and the adjusting motor 207 is arranged below the fixed guide rail 1; wherein the distance between the movable guide rail 2 and the fixed guide rail 1 can be adjusted to put in PCB materials of different widths, the conveying belts two 206 are driven to rotate by the adjusting motor 207 below the fixed guide rail 1, the screw connecting wheels 205 connected with the conveying belts two 206 drive the adjusting screws 203 to rotate and engage with the threads on the sleeves 204, the sleeves 204 are fixed on the adjusting frame 201, thereby driving the movable guide rail 2 to move, the support shafts 202 assist in supporting the movable guide rail 2, and the sleeves 204 and the adjusting screws 203 on the two adjusting frames 201 drive the movable guide rail 2 to move from both ends, so that the movable guide rail 2 moves more stably.

[0030] As shown in the figure, Figures 1-3 The rotating shaft 104 of the embodiment is a polygon, wherein the polygon rotating shaft 104 is embedded in the polygon holes of the feeding driving wheel one 103 and the feeding driving wheel two 105, the rotating shaft 104 and the two driving wheels can rotate by mutual force, and the feeding driving wheel one 103 on the adjusting frame 201 can slide on the rotating shaft 104. Compared with other transmission structures such as threads, the position restriction of the feeding driving wheel one 103 is cancelled, so that it can move with the movable guide rail 2 and does not affect its own transmission.

[0031] As shown in the figure, Figure 4 The conveying belt one 106 of the embodiment is provided with a tension idler one 108 on one side, and the tension idler one 108 is fixed through the adjusting groove one 109; wherein the conveying motor 110 is connected with the output wheel 107 through the conveying belt one 106, and is driven to the fixed guide rail 1 and the movable guide rail 2 through the rotating shaft on the output wheel 107, the position of the tension idler one 108 in the adjusting groove one 109 is adjusted to compress the conveying belt one 106, the stronger the tension, the less likely the conveying belt one 106 slips during rotation, the transmission is more stable, but the corresponding wear is faster, and the overall service life is shorter, so the operator needs to adjust it to the appropriate state.

[0032] As shown in the figure, Figures 1-3 The conveying belt two 206 of the embodiment is provided with a tension idler two 208 on one side, and the tension idler two 208 is fixed through the adjusting groove two 209; wherein the conveying belt two 206 is used to connect the adjusting motor 207 and the two screw connecting wheels 205, the tension is adjusted to ensure that the two screw connecting wheels 205 rotate synchronously, so that the movement of the movable guide rail 2 is stable, and the fixed guide rail 1 always remains horizontal.

[0033] As shown in the figure, Figures 1-3As shown, the fixed guide rail 1 and the movable guide rail 2 of the embodiment are provided with a material stopping plate 3, and the bottom of the material stopping plate 3 is provided with an adjusting cylinder 301; wherein, the adjusting cylinder is connected with two air valves, the adjusting cylinder 301 is filled with air through the air valves, different air valves are connected with different positions of the internal piston, so as to adjust the air pressure of the upper and lower spaces of the piston to make it move, drive the material stopping plate 3 connected to the top of the piston, the material stopping plate 3 is L-shaped, and the height after extending upwards exceeds the top of the feeding belt 101, so that the plate material conveyed is blocked, the plate material is detected through the multiple sensors installed on the fixed guide rail 1, the movement of the plate material is stopped by the material stopping plate 3, and then the plate material is taken away by the external equipment, so that the sorting of the plate material is achieved.

[0034] Working principle: the output shaft of the output motor 110 is connected with the output wheel 107, the output wheel 107 is connected with the feeding driving wheel two 105 through the conveying belt one 106, the rotating shaft 104 on the feeding driving wheel two 105 drives the feeding driving wheel one 103 on the fixed guide rail 1 and the movable guide rail 2 to rotate, and finally drives the feeding belt 101 to rotate, a plurality of supporting rollers 102 in the feeding belt 101 support the feeding belt 101 to make the top of the feeding belt 101 horizontal, the PCB boards on both sides are respectively placed on the feeding belt 101 of the fixed guide rail 1 and the movable guide rail 2, the feeding belt 101 is driven to rotate by the feeding driving wheel one 103, the feeding belt 101 drives the plate material to transport forward, a plurality of supporting rollers 102 support the feeding belt 101, the falling of the feeding belt 101 is reduced, so that the device can still maintain stability when conveying heavier PCB plate material; the adjusting motor 207 is connected with two screw connecting wheels 205 through the conveying belt two 206, the screw connecting wheels 205 are driven to rotate, the sleeve 204 on the adjusting frame 201 of the movable guide rail 2 is engaged, the movable guide rail 2 is driven to slide on the supporting shaft 202, so that the distance between the fixed guide rail 1 and the movable guide rail 2 is adjusted, and PCB boards with more different widths can be conveyed.

[0035] The utility model is not limited to the above-mentioned embodiment, any person should know that the structural change made under the inspiration of the utility model, any technical scheme with the same or similar utility model falls into the protection scope of the utility model. The utility model is not described in detail, and the technical, shape and structure parts are known technology.

Claims

1. A transmission device for transporting PCB boards, comprising: The fixed guide rail (1) and the movable guide rail (2) are characterized in that the fixed guide rail (1) is provided with a support roller (102) on its side, and a feeding belt (101) is sleeved on the surface of the support roller (102). The fixed guide rail (1) is provided with a feeding drive wheel (103) near its lower side. A rotating shaft (104) is inserted into the center of the feeding drive wheel (103). A feeding drive wheel (105) is provided at the other end of the rotating shaft (104). A conveyor belt (106) is sleeved on the surface of the feeding drive wheel (105). An output wheel (107) is sleeved below the conveyor belt (106). An output motor (110) is provided on one side of the output wheel (107). An adjustment frame (201) is provided near both sides at the bottom of the movable guide rail (2).

2. The transmission device for transporting PCB boards according to claim 1, characterized in that, The adjusting frame (201) has a support shaft (202) and an adjusting screw (203) on its left and right sides facing inward. A sleeve (204) is fitted onto the surface of the adjusting screw (203). The sleeve (204) is installed on the adjusting frame (201). A screw connecting wheel (205) is fitted onto one side of the adjusting screw (203). A second conveyor belt (206) is fitted onto the surface of the screw connecting wheel (205). An adjusting motor (207) is installed below the fixed guide rail (1).

3. The transmission device for transporting PCB boards according to claim 2, characterized in that, The rotating shaft (104) is polygonal.

4. The transmission device for transporting PCB boards according to claim 1, characterized in that, A tension idler wheel (108) is provided on one side of the conveyor belt (106), and the tension idler wheel (108) is fixed by an adjustment groove (109).

5. A transmission device for transporting PCB boards according to claim 2, characterized in that, A tension idler wheel (208) is provided on one side of the second conveyor belt (206), and the tension idler wheel (208) is fixed by the second adjustment groove (209).

6. The transmission device for transporting PCB boards according to claim 1, characterized in that, A stop plate (3) is provided between the fixed guide rail (1) and the movable guide rail (2), and an adjusting cylinder (301) is provided at the bottom of the stop plate (3).

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