Lubricating structure for conveying circuit board

Abstract

The utility model relates to the technical field of circuit boards, and discloses a lubricating structure for conveying circuit boards, which comprises two groove plates, chain gears are rotatably connected to four corners of adjacent sides of the two groove plates and the top end of the middle of the adjacent sides, transmission chains are arranged on the outer walls of the plurality of chain gears, and the transmission chains are arranged on the outer walls of the chain gears. And rotating shafts are fixedly connected between the adjacent chain gears at the top end, conveying belts are arranged on the outer walls of the two rotating shafts, a rotating motor is arranged at the rear end of the right side of the groove plate at the right end, and the output end of the rotating motor penetrates through the groove plate at the right end and is fixedly connected to the right side of the rotating shaft at the rear end. According to the utility model, the oil outlet quantity is controlled by the oil tank through the adjusting screw rod, and the lubricating oil lubricates the transmission belt and the transmission chain for conveying the circuit board, so that the beneficial effects of reducing the friction between parts, ensuring the stable and reliable conveying, reducing the mechanical wear problem, working for a long time, simplifying the maintenance process and saving the cost are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board technical field especially relates to a lubricating structure for conveying circuit board. BACKGROUND

[0002] The circuit board, namely the printed circuit board assembly, is the functional circuit board formed by installing various electronic components on the printed circuit board, and the circuit board is widely used in electronic equipment and is the core component for realizing various functions of the electronic equipment, can orderly connect the electronic components, realizes the conduction of the circuit and the transmission of the signal, and provides the guarantee for the stable operation of the electronic equipment.

[0003] The lubricating structure for conveying the circuit board realizes the stable conveying of the circuit board through the movement of the transmission belt in the process of conveying the circuit board, lubricates the transmission belt and the circuit board and the transmission component by using the lubricating oil, reduces the friction, guarantees the smoothness and stability of the conveying process, and improves the conveying efficiency and the service life of the equipment.

[0004] The existing lubricating structure for conveying the circuit board needs to smear the lubricating oil on the transmission chain according to the machine operation condition, which depends on the manual experience to judge the timing of smearing the lubricating oil, has great uncertainty, can not smear the lubricating oil in time, increases the friction between the transmission chain components, affects the conveying efficiency, can cause the equipment to wear and tear, shortens the service life of the equipment, and increases the maintenance cost. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a lubricating structure for conveying the circuit board, which aims at improving the problem that the existing lubricating structure for conveying the circuit board needs to smear the lubricating oil on the transmission chain according to the machine operation condition, can not smear the lubricating oil in time, increases the friction between the transmission chain components, and increases the maintenance cost.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a lubricating structure for conveying circuit board, including two recessed slot boards, the adjacent side four corners of two recessed slot boards are rotationally connected with the adjacent side middle top of chain gear, the outer wall of multiple chain gears is all provided with transmission chain, the adjacent between top multiple chain gears is all fixedly connected with rotating shaft, the outer wall of two rotating shafts is all provided with transmission belt, the right side rear end of right recessed slot board is provided with rotating motor, the output of rotating motor penetrates right recessed slot board and is fixedly connected in the right side of rear end rotating shaft, the top wall rear side one end of two recessed slot boards is all fixedly connected with oil tank, the top wall middle part of two oil tanks is all fixedly connected with screw thread cylinder, the inner wall of two screw thread cylinders is all threadedly connected with adjusting screw rod, the bottom of two adjusting screw rods is all fixedly connected with adjusting plug, the middle part of inner bottom wall of two oil tanks is all penetrated with oil outlet pipe, a plurality of oil outlet holes are formed on the outer wall of two oil outlet pipes at equal intervals, two adjusting plugs are slidably connected on the inner wall of two oil outlet pipes respectively, and the bottom wall front and rear end of two recessed slot boards is provided with lubricating oil circulation mechanism.

[0007] Through the above technical scheme: the oil tank is controlled by the adjusting screw rod, the lubricating oil is used for the transmission belt and the transmission chain of the transmission circuit board, the friction between parts is reduced, the stable and reliable conveying is guaranteed, the mechanical wear problem is reduced, the durable work is simplified, the maintenance process is saved and the beneficial effect of saving cost is realized.

[0008] As a further description of the above technical scheme:

[0009] The lubricating oil circulation mechanism includes a plurality of support columns, a plurality of support columns are all fixedly connected with a collecting box at the bottom, the inner wall of the collecting box is fixedly connected with a collecting plate at the middle upper part, the top wall of the collecting plate is penetrated with a filter hopper at the middle part, the inner wall of the filter hopper is provided with a filter core, the rear side of the collecting box is communicated with a conveying pipe at the left and right ends, the top end of two conveying pipes is communicated at the rear top end of two oil tanks respectively, two pump machines are fixedly installed at the middle part of two conveying pipes respectively, and the bottom of two pump machines is fixedly connected at the rear end of the top wall of two recessed slot boards respectively.

[0010] Through the above technical scheme: the collecting box is supported by the support column, the lubricating oil flows into the filter hopper under the guidance of the collecting plate, the filter core filters impurities, and the pump machine sends the filtered lubricating oil back to the oil tank through the conveying pipe, realizes the recycling of the lubricating oil, guarantees that the lubricating structure continuously provides lubrication for the circuit board conveying, improves the reliability and working efficiency of the conveying system.

[0011] As a further description of the above technical scheme:

[0012] The top wall of two oil tanks is all fixedly connected with a constant pressure valve, and the inside of two oil tanks is communicated with each other respectively.

[0013] Through the technical scheme, the constant pressure valve is in communication with the inside of the oil tank, and mainly functions to keep the pressure in the oil tank stable, prevent the pressure in the oil tank from being too high or too low during the outflow and circulation of the lubricating oil, and ensure the stability and reliability of the oil outflow.

[0014] Further description of the technical scheme is as follows:

[0015] The top end of each of the two adjusting lead screws is fixedly connected with a rotating ring, and the inner wall of each of the two rotating rings is processed with a frosted surface.

[0016] Through the technical scheme, the rotating ring facilitates the operator to rotate the adjusting lead screw, the adjusting plug is driven to slide up and down in the oil outlet pipe by rotating the adjusting lead screw, so as to adjust the exposed area of the oil outlet hole and realize accurate control of the outflow amount of the lubricating oil, so as to meet the demand for lubrication degree under different working conditions.

[0017] Further description of the technical scheme is as follows:

[0018] The bottom end of the rotating motor is fixedly connected with a support, and the left side of the support is fixedly connected to the right side of the middle upper portion of the groove plate at the right end.

[0019] Through the technical scheme, the support is used to fix the rotating motor and provide stable support for the rotating motor, so as to ensure that the rotating motor does not shake or shift during the working process.

[0020] Further description of the technical scheme is as follows:

[0021] The right side of the bottom wall of the support is fixedly connected with two inclined struts, the bottom end of each of the two inclined struts is fixedly connected to the right side of the middle portion of the groove plate at the right end, and each of the two inclined struts is provided with an inclination angle.

[0022] Through the technical scheme, the inclined struts further enhance the stability of the support, share the vibration and stress generated during the working of the rotating motor through the connection with the support and the groove plate, and prevent the support from being deformed or inclined due to the vibration of the motor.

[0023] Further description of the technical scheme is as follows:

[0024] The right side of the top end of the groove plate at the right end is fixedly connected with a control console, and the top end of the control console is fixedly connected with a plurality of control buttons.

[0025] Through the technical scheme, the control console provides a mounting position for the control buttons, the control buttons are used to control the operation of the entire lubricating structure and conveying system, and the working state of the rotating motor and the pump machine is started and stopped.

[0026] Further description of the technical scheme is as follows:

[0027] The top wall of the collection plate is provided with an inclination angle, and the top wall of the collection plate is in a groove shape with a bottom in the middle and higher around the periphery.

[0028] By the above technical scheme, the top wall of the collection plate is provided with an inclination angle and is in a groove shape with a bottom in the middle and higher around the periphery, so that the dripping lubricating oil can be quickly guided to flow to the filter hopper, the lubricating oil can be smoothly collected for filtration and recycling, the collection efficiency of the lubricating oil is improved, and waste is reduced.

[0029] The utility model has the advantages of the following beneficial effects:

[0030] 1. In the utility model, the oil tank controls the oil output through the adjusting screw rod, the lubricating oil lubricates the transmission chain of the conveying belt and the circuit board, reduces the friction between parts, ensures stable and reliable conveying, reduces mechanical wear and tear, works for a long time, simplifies the maintenance process and saves costs.

[0031] 2. In the utility model, the collection box is supported by the supporting column, the lubricating oil flows into the filter hopper through the flow guide of the collection plate, the filter core filters impurities, and the pump machine sends the filtered lubricating oil back to the oil tank through the conveying pipe, realizes the recycling of the lubricating oil, ensures that the lubricating structure continuously lubricates the circuit board conveying, and improves the reliability and working efficiency of the conveying system. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 A perspective view of a lubricating structure for conveying a circuit board is provided for the utility model;

[0033] Figure 2 A rear view of a lubricating structure for conveying a circuit board is provided for the utility model;

[0034] Figure 3 A side view of a groove plate of a lubricating structure for conveying a circuit board is provided for the utility model;

[0035] Figure 4 A cross-sectional view of an oil tank of a lubricating structure for conveying a circuit board is provided for the utility model;

[0036] Figure 5 A structure diagram of a collection box of a lubricating structure for conveying a circuit board is provided for the utility model;

[0037] Figure 6 A structure exploded view of a filter core of a lubricating structure for conveying a circuit board is provided for the utility model.

[0038] LEGEND:

[0039] 1, groove plate; 2, lubricating oil circulation mechanism; 201, support column; 202, collection box; 203, collection plate; 204, filter hopper; 205, filter core; 206, conveying pipe; 207, pump; 3, chain gear; 4, transmission chain; 5, rotating shaft; 6, transmission belt; 7, rotating motor; 8, oil tank; 9, threaded cylinder; 10, adjusting screw; 11, adjusting plug; 12, oil outlet pipe; 13, oil outlet hole; 14, constant pressure valve; 15, rotating ring; 16, bracket; 17, inclined support; 18, control console; 19, control button. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0041] With reference to Figure 1 , Figure 3 and Figure 4 , one embodiment provided by the utility model: a lubricating structure for conveying circuit board, including two groove plates 1, the adjacent side four corners of two groove plates 1 and the adjacent side middle top are all rotationally connected with chain gear 3, chain gear 3 plays the transmission function, the outer wall of multiple chain gears 3 is all provided with transmission chain 4, transmission chain 4 realizes the synchronous rotation of multiple chain gears 3, the adjacent between top multiple chain gears 3 is all fixedly connected with rotating shaft 5, rotating shaft 5 transmits power, the outer wall of two rotating shafts 5 is all provided with transmission belt 6, transmission belt 6 is used for conveying circuit board, the right side rear end of right end groove plate 1 is provided with rotating motor 7, rotating motor 7 provides power, the output end of rotating motor 7 penetrates right end groove plate 1 and is fixedly connected on the right side of rear end rotating shaft 5, drives rotating shaft 5 to rotate, the top wall of two groove plates 1 is all fixedly connected with oil tank 8 on the rear side one end, oil tank 8 stores lubricating oil, the top wall middle part of two oil tanks 8 is all fixedly connected with threaded cylinder 9, threaded cylinder 9 cooperates with adjusting screw 10, the inner wall of two threaded cylinders 9 is all screw-connected with adjusting screw 10, adjusting screw 10 is used for adjusting the position of adjusting plug 11, the bottom end of two adjusting screws 10 is all fixedly connected with adjusting plug 11, adjusting plug 11 controls the oil output, the inner bottom wall middle part of two oil tanks 8 is all penetrated with oil outlet pipe 12, oil outlet pipe 12 transports lubricating oil, a plurality of oil outlet holes 13 are formed on the outer wall of two oil outlet pipes 12 at equal intervals, oil outlet hole 13 makes lubricating oil flow out, the bottom wall front and rear end of two groove plates 1 is provided with lubricating oil circulation mechanism 2, lubricating oil circulation mechanism 2 realizes the recycling of lubricating oil;

[0042] Specifically, the lubricating structure mainly comprises two groove plates 1 as a main frame, chain gears 3 are rotatably connected to the four corners of the adjacent side of the two groove plates 1 and the middle top of the adjacent side, synchronous rotation is realized through the cooperation of the plurality of chain gears 3 and the transmission chain 4, the adjacent adjacent plurality of chain gears 3 at the top are fixedly connected to the rotating shaft 5, the rotating shaft 5 rotates under the driving of the rotating motor 7, the output end of the rotating motor 7 penetrates the right end groove plate 1 and is fixedly connected to the right side of the rear rotating shaft 5, when the rotating motor 7 starts, the rear rotating shaft 5 is driven to rotate, and then the transmission chain 4 is driven to rotate, so that all the rotating shafts 5 rotate synchronously, the transmission belt 6 on the outer wall of the rotating shaft 5 also moves, realizing the conveying of the circuit board, in the aspect of lubrication, the top wall of the two groove plates 1 is fixedly connected with an oil tank 8 at the rear side, a threaded cylinder 9 is threadedly connected with an adjusting screw 10 at the middle top of the oil tank 8, and the adjusting screw 10 is rotated to drive an adjusting plug 11 at the bottom end thereof to slide up and down on the inner wall of an oil outlet pipe 12. When the oil outlet amount needs to be adjusted, the adjusting screw 10 is rotated to make the adjusting plug 11 rise or fall, so that the exposed area of an oil outlet hole 13 on the oil outlet pipe 12 is changed, thereby controlling the outflow amount of the lubricating oil. When the adjusting plug 11 rises, the exposed area of the oil outlet hole 13 increases, and the oil outlet amount increases. Conversely, the oil outlet amount decreases. The lubricating oil flows out from the oil tank 8 through the oil outlet hole 13 on the oil outlet pipe 12 and drops on the transmission belt 6, thereby playing a lubricating role between the transmission belt 6 and the circuit board, reducing friction, ensuring the stability and reliability of the circuit board in the conveying process, greatly reducing various problems caused by mechanical wear, realizing the goal of long-term work without additional lubricant, simplifying the equipment maintenance process and saving cost.

[0043] With reference to Figure 2 , Figure 5 and Figure 6 , the lubricating oil circulating mechanism 2 comprises a plurality of supporting columns 201, the supporting columns 201 play a supporting role, the bottom end of the plurality of supporting columns 201 is fixedly connected with a collecting box 202, the collecting box 202 is used for collecting lubricating oil, the inner wall of the collecting box 202 is fixedly connected with a collecting plate 203 at the middle upper portion, the collecting plate 203 guides the flow direction of the lubricating oil to a filter hopper 204, the top wall of the collecting plate 203 penetrates the filter hopper 204 at the middle top, the filter hopper 204 preliminarily collects the lubricating oil, the inner wall of the filter hopper 204 is provided with a filter core 205, the filter core 205 filters impurities in the lubricating oil, the left and right ends of the rear side of the collecting box 202 are respectively communicated with a conveying pipe 206, the conveying pipe 206 conveys the filtered lubricating oil, the top ends of the two conveying pipes 206 are respectively communicated at the top ends of the rear sides of the two oil tanks 8, and the lubricating oil is sent back to the oil tank 8, the middle portions of the two conveying pipes 206 are respectively fixedly installed with a pump 207, the pump 207 provides power for conveying the lubricating oil, and the bottom ends of the two pumps 207 are respectively fixedly connected to the top wall rear ends of the two groove plates 1;

[0044] Specifically, in the process of conveying the circuit board, the lubricating oil flowing out of the oil tank 8 plays a lubricating role on the conveying belt 6 and the circuit board, and then drips down, the plurality of support columns 201 support the collection box 202, which is located below to collect the dripping lubricating oil, the collection plate 203 on the inner wall of the upper part of the collection box 202 plays a flow guiding role, so that the lubricating oil flows to the filter hopper 204 in the middle part, the filter element 205 on the inner wall of the filter hopper 204 filters the collected lubricating oil to remove possible impurities, so as to ensure the cleanliness of the recycled lubricating oil, and the conveying pipes 206 connected to the left and right ends of the rear side of the collection box 202 are connected to the left and right ends of the rear side of the collection box 202. The filtered lubricating oil is conveyed back to the oil tank 8 under the action of the pump 207, and when the two pumps 207 are started, suction is generated to extract the lubricating oil in the collection box 202 through the conveying pipe 206 and convey it to the top end of the rear side of the oil tank 8, so as to realize the recycling of the lubricating oil, reduce the waste of the lubricating oil, reduce the use cost, and at the same time ensure that the lubricating structure can continuously and stably provide lubrication for the conveying of the circuit board, thereby improving the reliability and working efficiency of the entire conveying system.

[0045] With reference to Figure 1 and Figure 4 , the top wall of each of the two oil tanks 8 is fixedly connected with a constant pressure valve 14, the constant pressure valve 14 keeps the internal pressure of the oil tank 8 stable, and the two constant pressure valves 14 are in communication with the interiors of the two oil tanks 8, respectively; the top end of each of the two adjusting lead screws 10 is fixedly connected with a rotating ring 15, the rotating ring 15 facilitates the rotation of the adjusting lead screw 10, and the inner walls of the two rotating rings 15 are subjected to a frosted process; the bottom end of the rotating motor 7 is fixedly connected with a support 16, the support 16 provides support for the rotating motor 7, and the left side of the support 16 is fixedly connected to the right side of the middle upper part of the right end groove plate 1;

[0046] Specifically, the constant pressure valve 14 is in communication with the interior of the oil tank 8, and its main function is to keep the internal pressure of the oil tank 8 stable, prevent the internal pressure of the oil tank 8 from being too high or too low during the flowing out and recycling of the lubricating oil, and ensure the stability and reliability of oil outlet, the rotating ring 15 facilitates the rotation of the adjusting lead screw 10 by the operator, the adjusting plug 11 is driven to slide up and down in the oil outlet pipe 12 by rotating the adjusting lead screw 10, so as to adjust the exposed area of the oil outlet hole 13 and realize accurate control of the flow amount of the lubricating oil, so as to meet the demand for lubrication degree under different working conditions, and the support 16 is used for fixing the rotating motor 7 and providing stable support for the rotating motor 7, so as to ensure that the rotating motor 7 will not shake or shift during the working process.

[0047] With reference to Figure 1 and Figure 5The bottom wall of the support 16 is fixedly connected with two inclined braces 17 on the right side, the inclined braces 17 enhance the stability of the support 16, the bottom ends of the two inclined braces 17 are fixedly connected to the right middle part of the right end groove plate 1, and the two inclined braces 17 are each provided with an inclination angle; the right end groove plate 1 is fixedly connected with a control console 18 on the right top end, the control console 18 is provided with control buttons 19, the top end of the control console 18 is fixedly connected with a plurality of control buttons 19, the control buttons 19 control the operation of the equipment, the top wall of the collecting plate 203 is provided with an inclination angle, the collecting plate 203 guides the flow direction of the lubricating oil to the filter hopper 204, and the top wall of the collecting plate 203 is in the shape of a groove with a high periphery and a bottom in the middle;

[0048] Specifically, the inclined brace 17 further enhances the stability of the support 16, and through the connection with the support 16 and the groove plate 1, the vibration and stress generated during the operation of the rotating motor 7 are shared, so that the deformation or inclination of the support 16 due to the vibration of the motor is prevented, the control console 18 provides a mounting position for the control buttons 19, the control buttons 19 are used to control the operation of the entire lubricating structure and conveying system, the starting and stopping of the rotating motor 7 and the control of the working state of the pump 207 are realized, the top wall of the collecting plate 203 is provided with an inclination angle and is in the shape of a groove with a high periphery and a bottom in the middle, which can guide the falling lubricating oil to quickly flow to the filter hopper 204, ensure that the lubricating oil can be smoothly collected for filtration and recycling, improve the collection efficiency of the lubricating oil, and reduce waste.

[0049] Working principle: the lubricating structure mainly comprises two groove plates 1 as a main frame, chain gears 3 are rotatably connected to the adjacent side middle top end and four corners of the two groove plates 1 on the adjacent side, synchronous rotation is realized through the cooperation of the plurality of chain gears 3 and the transmission chain 4, the adjacent rotating shafts 5 fixedly connected between the plurality of chain gears 3 at the top are rotated under the driving of the rotating motor 7, the output end of the rotating motor 7 penetrates the right end groove plate 1 and is fixedly connected to the right side of the rear rotating shaft 5, when the rotating motor 7 starts, the rear rotating shaft 5 is driven to rotate, and then the transmission of the chain gear 3 and the transmission chain 4 makes all the rotating shafts 5 rotate synchronously, the transmission belt 6 on the outer wall of the rotating shaft 5 also moves, realizing the conveying of the circuit board, in terms of lubrication, oil tanks 8 are fixedly connected to the top wall of the two groove plates 1 on the rear side, the threaded barrels 9 in the middle of the top wall of the oil tank 8 are threadedly connected with the adjusting lead screws 10, by rotating the adjusting lead screw 10, the adjusting plug 11 at the bottom end thereof can slide up and down on the inner wall of the oil outlet pipe 12, when the oil outlet amount needs to be adjusted, the adjusting lead screw 10 is rotated to make the adjusting plug 11 rise or fall, the exposed area of the oil outlet hole 13 on the oil outlet pipe 12 is changed, thereby controlling the outflow amount of the lubricating oil, when the adjusting plug 11 rises, the exposed area of the oil outlet hole 13 increases, the oil outlet amount increases, and vice versa, the oil outlet amount decreases, the lubricating oil flows out from the oil tank 8 through the oil outlet hole 13 on the oil outlet pipe 12 and drops on the transmission belt 6, playing a lubricating role between the transmission belt 6 and the circuit board;

[0050] And, the lubricating oil flowing out of the oil tank 8 plays a lubricating effect on the conveying belt 6 and the circuit board, and then drops down, the plurality of support columns 201 support the collecting box 202, and are located below to collect the dropped lubricating oil, the collecting plate 203 in the upper middle part of the inner wall of the collecting box 202 plays a flow guiding effect, so that the lubricating oil is concentrated to flow to the filter hopper 204 penetrating in the middle part, the filter element 205 in the inner wall of the filter hopper 204 filters the collected lubricating oil, and removes the possible impurities mixed in the lubricating oil, so as to ensure the cleanliness of the lubricating oil for recycling, the conveying pipes 206 connected to the left and right ends of the rear side of the collecting box 202 are communicated, and under the action of the pump machines 207, the filtered lubricating oil is conveyed back to the oil tank 8, when the two pump machines 207 are started, suction is generated, the lubricating oil in the collecting box 202 is extracted through the conveying pipes 206, and is conveyed to the top end of the rear side of the oil tank 8.

[0051] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A lubrication structure for conveying circuit boards, comprising two grooved plates (1), characterized in that: Chain gears (3) are rotatably connected to the four corners of the adjacent side of the two grooved plates (1) and the top of the middle of the adjacent side. A transmission chain (4) is provided on the outer wall of the multiple chain gears (3). A rotating shaft (5) is fixedly connected between the adjacent multiple chain gears (3) at the top. A transmission belt (6) is provided on the outer wall of the two rotating shafts (5). A rotating motor (7) is provided at the rear right side of the right grooved plate (1). The output end of the rotating motor (7) passes through the right grooved plate (1) and is fixedly connected to the right side of the rear rotating shaft (5). The rear side of the top wall of the two grooved plates (1) is fixedly connected to the right side of the rear rotating shaft (5). Two oil tanks (8) are fixedly connected. Threaded cylinders (9) are fixedly connected to the middle of the top walls of the two oil tanks (8). Adjusting screws (10) are threadedly connected to the inner walls of the two threaded cylinders (9). Adjusting plugs (11) are fixedly connected to the bottom ends of the two adjusting screws (10). Oil outlet pipes (12) penetrate the middle of the inner bottom walls of the two oil tanks (8). Multiple oil outlet holes (13) are equidistantly opened on the outer walls of the two oil outlet pipes (12). The two adjusting plugs (11) are slidably connected to the inner walls of the two oil outlet pipes (12). Lubricating oil circulation mechanisms (2) are provided at the front and rear ends of the bottom walls of the two grooved plates (1).

2. The lubrication structure for conveying circuit boards according to claim 1, characterized in that: The lubricating oil circulation mechanism (2) includes multiple support columns (201), and a collection box (202) is fixedly connected to the bottom end of each of the multiple support columns (201). A collection plate (203) is fixedly connected to the upper part of the inner wall of the collection box (202). A filter bucket (204) is passed through the middle of the top wall of the collection plate (203). A filter element (205) is provided on the inner wall of the filter bucket (204). A conveying pipe (206) is connected to the left and right ends of the rear side of the collection box (202). The top ends of the two conveying pipes (206) are respectively connected to the top ends of the rear side of the two oil tanks (8). A pump (207) is fixedly installed in the middle of the two conveying pipes (206). The bottom ends of the two pumps (207) are respectively fixedly connected to the rear end of the top wall of the two grooved plates (1).

3. The lubrication structure for conveying circuit boards according to claim 1, characterized in that: The top walls of the two oil tanks (8) are fixedly connected with constant pressure valves (14), and the two constant pressure valves (14) are respectively connected to the interior of the two oil tanks (8).

4. The lubrication structure for conveying circuit boards according to claim 1, characterized in that: The top ends of the two adjusting screws (10) are fixedly connected to rotating rings (15), and the inner walls of the two rotating rings (15) are made of sandblasting.

5. A lubrication structure for conveying circuit boards according to claim 1, characterized in that: The bottom end of the rotating motor (7) is fixedly connected to a bracket (16), and the left side of the bracket (16) is fixedly connected to the upper right side of the groove plate (1) on the right side.

6. A lubrication structure for conveying circuit boards according to claim 5, characterized in that: Two diagonal braces (17) are fixedly connected to the right side of the bottom wall of the bracket (16). The bottom ends of the two diagonal braces (17) are fixedly connected to the middle right side of the groove plate (1) at the right end. Both diagonal braces (17) are provided with an inclination angle.

7. A lubrication structure for conveying circuit boards according to claim 1, characterized in that: A control console (18) is fixedly connected to the top right side of the groove plate (1) on the right end, and a plurality of control buttons (19) are fixedly connected to the top of the control console (18).

8. A lubrication structure for conveying circuit boards according to claim 2, characterized in that: The top wall of the collecting plate (203) is inclined, and the top wall of the collecting plate (203) is a groove shape with a bottom in the middle and a high perimeter.

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