CN116939974A

CN116939974A - PCB low-temperature rubberizing equipment and method

Info

Publication number: CN116939974A
Application number: CN202310981717.8A
Authority: CN
Inventors: 孙梅萍; 黄恳全
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2023-10-24

Abstract

The invention relates to low-temperature rubberizing equipment for a PCB (printed circuit board), which comprises an automatic adjusting unit and a rubberizing cutting unit, wherein the automatic adjusting unit comprises a conveyor belt bracket, a conveyor belt body is arranged in the conveyor belt bracket, and an arch bracket is transversely and fixedly arranged on the surface of the conveyor belt bracket. The rubberizing cutting unit comprises an electric push rod, a synchronous support is fixedly arranged at the output end of the electric push rod, a cross rod is fixedly arranged at the tail end of the synchronous support, a winding support is movably arranged on the surface of the cross rod, and a connecting support is fixedly arranged on the surface of the other side of the cross rod. According to the invention, the size detection unit and the rubberizing cutting unit are arranged, wherein the friction roller in the rubberizing cutting unit can rotate in the moving process of the PCB, and after the rotation is finished, the rotation detection result is fed back to the rubberizing cutting unit, at the moment, the rubberizing cutting unit can pull out the adhesive tape with the specified length, rubberizing and cutting operations are completed, and the rubberizing operations with different sizes can be completed in the working state.

Description

PCB low-temperature rubberizing equipment and method

Technical Field

The invention relates to the technical field of PCB production, in particular to PCB low-temperature rubberizing equipment and a method.

Background

In the production and processing process of the PCB, in order to facilitate the processing of the subsequent PCB, the glue is generally required to be pasted between the head and the tail of the PCB, but the PCB has PCB with different specifications in the actual processing process, the lengths of the PCB with different specifications are different, and the distances between the head end and the tail end of the PCB are also different.

When the existing rubberizing equipment is used for rubberizing PCBs with different lengths, although one machine can finish rubberizing operations with different sizes, when size adjustment is carried out each time, a production line is required to be paused, so that the sizes of rubberizing can be adjusted, and the production efficiency of the PCBs is affected by the operations. Therefore, the rubberizing equipment capable of automatically completing size adjustment in the rubberizing process is provided.

Disclosure of Invention

The invention aims to provide a low-temperature rubberizing device and method for a PCB, which solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a PCB low-temperature rubberizing device comprises

The size detection unit comprises a conveyor belt bracket, a conveyor belt body is arranged in the conveyor belt bracket, an arch bracket is transversely and fixedly arranged on the surface of the conveyor belt bracket, a rotating shaft is movably arranged on the side wall of the arch bracket, a friction roller is fixedly arranged in the center of the rotating shaft, and the distance from the bottom of the friction roller to the conveyor belt body is adaptive to the thickness of the PCB;

the rubberizing cutting unit comprises an electric push rod, a synchronous support is fixedly arranged at the output end of the electric push rod, a cross rod is fixedly arranged at the tail end of the synchronous support, a winding support is movably arranged on the surface of the cross rod, a connecting support is fixedly arranged on the surface of the other side of the cross rod, rubberizing rollers are movably arranged in the connecting support, and a cutting assembly for automatic cutting is fixedly arranged on the surfaces of the winding support and the connecting support;

the size detection unit is used for detecting the size of the conveyed PCB, transmitting the size to the rubberizing cutting unit, controlling the size of the rubberizing adhesive tape, and cutting according to the fit size.

As a preferred implementation mode of the invention, the side wall of the conveyor belt bracket is fixedly provided with the guide plate, the guide plate is splayed, the surface of the guide plate is movably provided with a plurality of pairs of guide rollers, and the guide rollers are made of rubber materials.

As a preferred implementation mode of the invention, the two ends of the rotating shaft are fixedly provided with the driving gears, the upper surfaces of the driving gears are meshed with driven racks, one side wall of each driven rack is fixedly provided with a limiting inserted rod, the surface of each limiting inserted rod is movably inserted and provided with a limiting seat, the limiting seat is fixedly arranged on the surface of the conveyor belt bracket, the other end of each driven rack is fixedly provided with a positioning inserted rod, the tail ends of the positioning inserted rods are inserted and arranged in the positioning sleeve, the tail ends of the positioning sleeve are fixedly arranged on the side wall of the transverse plate, and the transverse plate is fixedly provided with the surface of the conveyor belt bracket.

As a preferred embodiment of the invention, the end of the positioning inserted rod is fixedly provided with a first baffle plate, the first baffle plate is slidably arranged on the inner wall of the positioning sleeve, the end of the first baffle plate is fixedly provided with a first spring, the end of the first spring is fixedly arranged on the inner wall of the positioning sleeve, and the first spring is in a compressed state.

As a preferred implementation mode of the invention, the inner wall of the positioning sleeve is provided with a mounting cavity, a partition plate is arranged in the mounting cavity in a sliding manner, a positioning fixture block is fixedly arranged at the bottom of the partition plate, the positioning fixture block movably penetrates through the inner wall of the positioning sleeve, an extrusion spring is sleeved on the surface of the positioning fixture block, two sides of the extrusion spring are fixedly arranged at the bottom of the partition plate and the inner wall of the mounting cavity, the tail ends of the positioning fixture block are movably inserted in gaps between positioning protrusions formed on the surface of the positioning inserting rod, and chamfering is carried out on the surfaces of the positioning protrusions.

As a preferred implementation mode of the invention, an L-shaped support is fixedly arranged on the upper surface of the shell of the electric push rod, the tail end of the L-shaped support is fixedly arranged on the upper surface of the transverse plate, the output end of the electric push rod is fixedly provided with a synchronous rod, the tail end of the synchronous rod is movably inserted and provided with an unlocking inserting rod, the unlocking inserting rod is movably inserted and connected with the inner wall of the installation cavity, the bottom of the unlocking inserting rod is fixedly arranged on the upper surface of the first baffle, the top of the unlocking inserting rod is fixedly provided with a limiting plate, and the diameter of the limiting plate is larger than that of the unlocking inserting rod.

As a preferred embodiment of the invention, the side wall of the conveyor belt bracket is fixedly provided with a mounting lug, the top of the mounting lug is fixedly provided with a sleeve, the side wall of the sleeve is provided with a movable guide rail, the surface of the movable guide rail is slidably provided with a movable slide block, the surface of the movable slide block is fixedly provided with a second baffle, the bottom of the second baffle is fixedly provided with a second spring, the other end of the second spring is fixedly arranged in the sleeve, the top of the second baffle is fixedly provided with a push rod, and the tail end of the push rod is fixedly arranged at the bottom of the cross rod.

As a preferred implementation mode of the invention, the side wall of the cross rod is provided with a limit sliding rail, the surface of the limit sliding rail is provided with a limit sliding block in a sliding manner, the surface of the limit sliding block is fixedly provided with a connecting rod, the tail end of the connecting rod is fixedly arranged on the side wall of the winding support, the inside of the winding support is fixedly provided with a winding rod, the back of the winding support is fixedly provided with a vertical plate, the surface of the vertical plate is provided with a vertical sliding rail, the surface of the vertical sliding rail is provided with a vertical sliding block in a sliding manner, and the center position of the vertical sliding block is fixedly provided with a limit inserting rod.

As a preferred implementation mode of the invention, the cutting assembly comprises a mounting plate, the mounting plate is fixedly arranged on the side wall of the winding support and the side wall of the connecting support, a central shaft is movably arranged on the surface of the mounting plate, a pry bar is fixedly arranged on the surface of the central shaft, a torsion spring is sleeved on the surface of the central shaft, two ends of the torsion spring are respectively fixedly arranged on the side wall of the pry bar and the side wall of the mounting plate, a positioning notch is formed in the surface of the pry bar and is in a strip shape, a guide bar is slidably arranged in the positioning notch, a cutter is fixedly arranged at the tail end of the guide bar, and the cutter edge is positioned above the winding bar.

As a preferred embodiment of the invention, the application method of the PCB low-temperature rubberizing equipment comprises the following steps:

step one: firstly, placing a PCB (printed Circuit Board) inside a conveyor belt body, driving the PCB to enter a friction roller through a guide plate by the conveyor belt body, and driving the friction roller to rotate by a certain angle under the action of friction force;

step two: the driving gear synchronously starts to rotate, so that the driven rack with meshed surfaces is driven to move, the limiting inserted bar and the positioning inserted bar are driven to move leftwards, the positioning inserted bar is inserted into the positioning sleeve, and positioning is completed through positioning protrusions and positioning clamping blocks in the positioning sleeve;

step three: the limiting inserted bar moves leftwards to drive the whole winding support to start moving leftwards, and the winding support stretches the adhesive tape on the surface of the rubberizing roller, so that the PCB with different sizes is adapted;

step four: then, starting an electric push rod, wherein the electric push rod drives the adhesive tape to move downwards, so that the adhesive tape can be attached to the surface of the PCB, and the pry bar is contacted with the conveyor belt bracket to drive the pry bar to rotate, and further drive the cutter to move downwards to cut the adhesive tape;

step five: the electric push rod retracts, and finally the unlocking inserting rod is driven to move upwards through the limiting plate, so that the positioning bulge and the positioning clamping block are unlocked, and the device is guaranteed to be restored to the initial position.

Compared with the prior art, the invention has the following beneficial effects:

according to the low-temperature rubberizing equipment and the low-temperature rubberizing method for the PCB, the size detection unit and the rubberizing cutting unit are arranged, the friction roller in the rubberizing cutting unit can rotate in the moving process of the PCB, after the rotation is finished, the rotation detection result is fed back to the rubberizing cutting unit, at the moment, the rubberizing cutting unit can pull out the adhesive tape with the specified length, rubberizing and cutting operations are completed, and then the rubberizing operations with different sizes can be completed in the working state.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic three-dimensional structure of a low-temperature rubberizing device for a PCB board according to the invention;

fig. 2 is an enlarged view of a position a of a low-temperature rubberizing device for a PCB board according to the invention;

fig. 3 is a schematic diagram of a three-dimensional structure of a size detection unit of a low-temperature rubberizing device for a PCB board according to the invention;

FIG. 4 is a cross-sectional view of a positioning sleeve of a low-temperature rubberizing device for a PCB of the invention;

fig. 5 is a bottom three-dimensional view of a low-temperature rubberizing device for a PCB board according to the invention;

FIG. 6 is an enlarged view of the B-site of the low temperature rubberizing device for a PCB of the invention;

fig. 7 is a schematic view of a partial three-dimensional structure of a rubberizing cutting unit of a low-temperature rubberizing device for a PCB board according to the invention;

fig. 8 is an enlarged view of a position C of a low-temperature rubberizing device for a PCB board according to the invention;

fig. 9 is a plan view of a C-position of a low-temperature rubberizing device for a PCB board according to the invention;

fig. 10 is a cross-sectional view of a sleeve of a low-temperature rubberizing device for a PCB board of the invention.

In the figure:

100. a size detection unit; 101. a conveyor belt support; 1011. a conveyor belt body; 102. a guide plate; 1021. a guide roller; 103. an arch-shaped bracket; 1031. a friction roller; 1032. a rotation shaft; 1033. a drive gear; 104. a driven rack; 1041. a limit inserted link; 1042. a limit seat; 105. a cross plate; 1051. a positioning sleeve; 1052. positioning the inserted link; 1053. positioning the bulge; 1054. a first baffle; 1055. a first spring; 106. a mounting cavity; 1061. a partition plate; 1062. positioning a clamping block; 1063. extruding a spring;

200. a rubberizing cutting unit; 201. an electric push rod; 2011. an L-shaped bracket; 2012. a synchronous support; 202. a synchronizing lever; 2021. unlocking the inserted link; 2022. a limiting plate; 203. a cross bar; 2031. a limit sliding rail; 2032. a limit sliding block; 2033. a connecting rod; 204. a push rod; 2041. a sleeve; 2042. a mounting ear; 2043. a moving guide rail; 2044. moving the slide block; 2045. a second baffle; 2046. a second spring; 205. winding a bracket; 2051. winding a rod; 206. a mounting plate; 2061. a central shaft; 2062. a torsion spring; 2063. a pry bar; 2064. positioning the notch; 2065. a guide rod; 2066. a cutter; 207. a connecting bracket; 2071. a rubberizing roller; 208. a riser; 2081. a vertical slide rail; 2082. a vertical slide block.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-10, the present invention provides a technical solution: a PCB low-temperature rubberizing device comprises

The size detection unit 100 comprises a conveyor belt bracket 101, a conveyor belt body 1011 is arranged in the conveyor belt bracket 101, an arch bracket 103 is transversely and fixedly arranged on the surface of the conveyor belt bracket 101, a rotary shaft 1032 is movably arranged on the side wall of the arch bracket 103, a friction roller 1031 is fixedly arranged in the center of the rotary shaft 1032, and the distance from the bottom of the friction roller 1031 to the conveyor belt body 1011 is adaptive to the thickness of a PCB board;

the rubberizing cutting unit 200, the rubberizing cutting unit 200 comprises an electric push rod 201, a synchronous bracket 2012 is fixedly arranged at the output end of the electric push rod 201, a cross rod 203 is fixedly arranged at the tail end of the synchronous bracket 2012, a winding bracket 205 is movably arranged on the surface of the cross rod 203, a connecting bracket 207 is fixedly arranged on the surface of the other side of the cross rod 203, a rubberizing roller 2071 is movably arranged in the connecting bracket 207, and cutting assemblies for automatic cutting are fixedly arranged on the surfaces of the winding bracket 205 and the connecting bracket 207;

through being provided with size detection unit and rubberizing and cut off the unit, wherein rubberizing cuts off the inside friction roller of unit and can take place to rotate at PCB board removal in-process to after the rotation finishes, feed back the rubberizing with the result of rotation detection and cut off the unit, rubberizing cuts off the unit and can pull out the sticky tape of appointed length this moment, and accomplish rubberizing and cutting operation, and then reached in operating condition, can accomplish the rubberizing operation of equidimension not.

In a specific embodiment, a guide plate 102 is fixedly arranged on the side wall of the conveyor belt bracket 1, the guide plate 102 is splayed, a plurality of pairs of guide rollers 1021 are movably arranged on the surface of the guide plate 102, and the guide rollers 1021 are made of rubber. Along with the start of the conveyor belt body 1011, the PCB is driven to move to the right, and first, the PCB contacts the guide plate 102, and passes through the guide roller 1021 on the surface of the guide plate 102, so that the PCB moves to the center until it moves to the bottom of the friction roller 1031.

The fixed drive gear 1033 that is provided with in rotation axis 1032 both ends, drive gear 133 upper surface meshing is provided with driven rack 104, and driven rack 104 one of them lateral wall is fixed to be provided with spacing inserted bar 1041, and spacing inserted bar 1041 surface activity grafting is provided with spacing seat 1042, and spacing seat 1042 is fixed to be set up on conveyer belt support 101 surface, and driven rack 104 other end is fixed to be provided with location inserted bar 1052, and location inserted bar 1052 end grafting is set up inside locating sleeve 1051, and locating sleeve 1051 end is fixed to be set up at diaphragm 105 lateral wall, and diaphragm 105 is fixed to be provided with conveyer belt support 101 surface. Then, the PCB is continuously pushed to move, and at this time, the friction roller 1031 contacts the PCB, the length of the PCB corresponds to the number of rotations of the friction roller 1031, that is, the number of rotations of the friction roller 1031 corresponds to the length of the PCB, and the rotation of the friction roller 1031 drives the rotation shaft 1032 of the surface to start rotating, and the rotation shaft 1032 starts rotating to drive the driving gear 1033 of the surface to start rotating, and the driving gear 1033 starts rotating, the driven rack 104 meshed with the driving surface starts moving leftwards, finally, the positioning plunger 1052 at the end of the driven rack 104 starts to be inserted into the positioning sleeve 1051, and the limiting plunger 1041 starts moving leftwards synchronously.

The fixed first baffle 1054 that is provided with in location inserted bar 1052 end, first baffle 1054 slides and sets up at the spacer 1051 inner wall, and the fixed first spring 1055 that is provided with in first baffle 1054 end, the fixed setting in spacer 1051 inner wall of first spring 1055 end, first spring 1055 is in compression. The installation cavity 106 has been seted up to the spacer 1051 inner wall, installation cavity 106 inside slip is provided with baffle 1061, baffle 1061 bottom is fixed to be provided with location fixture block 1062, location fixture block 1062 activity runs through the spacer 1051 inner wall, location fixture block 1062 surface cup joints and is provided with extrusion spring 1063, extrusion spring 1063 both sides are fixed to be set up in baffle 1061 bottom and installation cavity 106 inner wall, the terminal activity grafting of location fixture block 1062 sets up in the space between the location arch 1053 that the location inserted bar 1052 surface was seted up, the chamfer is handled on location arch 1053 surface. After the positioning plunger 1052 starts to be inserted into the positioning sleeve 1051, the positioning plunger 1052 continuously moves towards the inside of the positioning sleeve 1051, the positioning fixture block 1062 always moves upwards through the positioning bulge 1053 with the chamfer angle, so that the positioning fixture block 1062 is convenient to insert, after the movement is stopped, the positioning fixture block 1062 on the surface always has downward movement force under the action of the extrusion spring 1063, and the position of the positioning plunger 1052 can be limited.

Example two

The difference from this embodiment based on the above embodiment is that:

referring to fig. 1-10, in the embodiment, an L-shaped bracket 2011 is fixedly disposed on the upper surface of the housing of the electric push rod 201, the end of the L-shaped bracket 2011 is fixedly disposed on the upper surface of the transverse plate 105, the output end of the electric push rod 201 is fixedly disposed with a synchronization rod 202, the end of the synchronization rod 202 is movably inserted with an unlocking insert rod 2021, the unlocking insert rod 2021 is movably inserted with the inner wall of the installation cavity 106, the bottom of the unlocking insert rod 2021 is fixedly disposed on the upper surface of the first baffle 1054, the top of the unlocking insert rod 2021 is fixedly disposed with a limiting plate 2022, and the diameter of the limiting plate 2022 is larger than that of the unlocking insert rod 2021. After the electric push rod 201 starts to retract and finally the electric push rod 201 moves to a certain distance, the synchronous rod 202 on the surface moves to the top of the unlocking inserted rod 2021, the unlocking cross rod 203 is driven to move upwards by the limiting plate 2022, so that the first baffle 1054 is pulled to start to move upwards, the first baffle 1054 moves upwards to drive the positioning clamping block 1062 to move upwards, the positioning clamping block 1062 is separated from the positioning protrusion 1053, and finally the positioning inserted rod 1052 performs resetting operation through the first spring 1055.

Referring to fig. 1-10, a mounting ear 2042 is fixedly disposed on a side wall of the conveyor support 101, a sleeve 2041 is fixedly disposed on a top of the mounting ear 2042, a moving guide rail 2043 is disposed on a side wall of the sleeve 2041, a moving sliding block 2044 is slidably disposed on a surface of the moving guide rail 2043, a second baffle 2045 is fixedly disposed on a surface of the moving sliding block 2044, a second spring 2046 is fixedly disposed at a bottom of the second baffle 2045, another end of the second spring 2046 is fixedly disposed inside the sleeve 2041, a push rod 204 is fixedly disposed at a top of the second baffle 2045, and a tail end of the push rod 204 is fixedly disposed at a bottom of the cross rod 203. The cross bar 203 moves downwards to drive the push rod 204 to move downwards, at this time, the second baffle 2045 at the bottom of the push rod 204 starts to move downwards along the moving guide rail 2043, presses the second spring 2046, and is convenient to reset by the pressed second spring 2046.

Referring to fig. 1-10, a limit sliding rail 2031 is provided on a side wall of the cross bar 203, a limit sliding block 2032 is slidably provided on a surface of the limit sliding rail 2031, a connecting rod 2033 is fixedly provided on a surface of the limit sliding block 2032, an end of the connecting rod 2033 is fixedly provided on a side wall of the winding support 205, a winding rod 2051 is fixedly provided inside the winding support 205, a vertical plate 208 is fixedly provided on a back surface of the winding support 205, a vertical sliding rail 2081 is provided on a surface of the vertical plate 208, a vertical sliding block 2082 is slidably provided on a surface of the vertical sliding rail 2081, and a limit inserting rod 1041 is fixedly provided at a center position of the vertical sliding block 2082. The limit plunger 1041 moves leftwards, the vertical plate 208 at the tail end is driven to start to move leftwards, the winding bracket 205 with the winding rod 2051 is driven to start to move leftwards, and the limit sliding block 2032 on the surface of the winding bracket 205 moves along the limit sliding rail 2031, so that the distance between the winding bracket 205 and the rubberizing roller 2071 becomes longer, and the adhesive tape on the surface of the rubberizing roller 2071 is lengthened and pulled to be matched with the length of the PCB.

The cutting assembly comprises a mounting plate 206, the mounting plate 206 is fixedly arranged on the side wall of the winding support 205 and the side wall of the connecting support 207, a central shaft 2061 is movably arranged on the surface of the mounting plate 206, a pry bar 2063 is fixedly arranged on the surface of the central shaft 2061, a torsion spring 2062 is sleeved on the surface of the central shaft 2061, two ends of the torsion spring 2062 are respectively fixedly arranged on the side wall of the pry bar 2063 and the side wall of the mounting plate 206, a positioning notch 2064 is arranged on the surface of the pry bar 2063, a guide bar 2065 is arranged in the positioning notch 2064 in a sliding manner, a cutter 2066 is fixedly arranged at the tail end of the guide bar 2065, and a cutter edge is positioned above the winding bar 2051. The cross bar 203 continues to move downwards to drive the pry bar 2063 inside the cutting assembly to contact with the arch support 103, at this time, the pry bar 2063 starts to rotate around the central shaft 2061, and after the rotation is completed, the guide bar 2065 on the surface slides in the positioning notch 2064, and drives the cutter 2066 connected with the tail end of the guide bar 2065 to start to move downwards, thus completing the cutting of the adhesive tape.

The invention also discloses a using method of the PCB low-temperature rubberizing equipment, which comprises the following steps:

step one: firstly, placing a PCB (printed Circuit Board) inside a conveyor belt body 1011, driving the PCB to enter a friction roller 1031 through a guide plate 102 by the conveyor belt body, and driving the friction roller 1031 to rotate by a certain angle under the action of friction force;

step two: the driving gear 1033 synchronously starts to rotate, so that the driven rack 104 with meshed surfaces is driven to move, the limit plunger 1041 and the positioning plunger 1052 are driven to move leftwards, the positioning plunger 1052 is inserted into the positioning sleeve 1051, and positioning is completed through the positioning protrusion 1053 and the positioning clamping block 1062 in the positioning sleeve 1051;

step three: the limiting inserted rod 1041 moves leftwards to drive the whole winding support 205 to start moving leftwards, and the winding support 205 stretches the adhesive tape on the surface of the rubberizing roller 2071, so that the PCB with different sizes is adapted;

step four: then, the electric push rod 201 is started, the electric push rod 201 drives the adhesive tape to move downwards, so that the adhesive tape can be attached to the surface of the PCB, the pry bar 2063 is contacted with the conveyor belt bracket 101, the pry bar 2063 is driven to rotate, and the cutter 2066 is driven to move downwards to cut the adhesive tape;

step five: the electric push rod 201 is retracted, and finally the unlocking inserting rod 2021 is driven to move upwards through the limiting plate 2022, so that the positioning bulge 1053 and the positioning clamping block 1062 are unlocked, and the device is guaranteed to be restored to the initial position.

It should be noted that the invention relates to a low-temperature rubberizing device and a low-temperature rubberizing method for a PCB, wherein each part is a general standard part or a part known to a person skilled in the art, and the structure and the principle of the device are known to the person skilled in the art through technical manuals or through a routine experiment method.

Working principle:

when a user needs to use the device, firstly, the starting end of the adhesive tape on the surface of the rubberizing roller 2071 is fixedly arranged on the surface of the winding rod 2051 in a winding manner, then the user places the PCB on the surface of the conveyor belt body 1011, and at the moment, the conveyor belt body 1011 needs to be started.

Along with the start of the conveyor belt body 1011, the PCB is driven to move to the right, and first, the PCB contacts the guide plate 102, and passes through the guide roller 1021 on the surface of the guide plate 102, so that the PCB moves to the center until it moves to the bottom of the friction roller 1031.

Then, the PCB is continuously pushed to move, and at this time, the friction roller 1031 contacts the PCB, the length of the PCB corresponds to the number of rotations of the friction roller 1031, that is, the number of rotations of the friction roller 1031 corresponds to the length of the PCB, and the rotation of the friction roller 1031 drives the rotation shaft 1032 of the surface to start rotating, and the rotation shaft 1032 starts rotating to drive the driving gear 1033 of the surface to start rotating, and the driving gear 1033 starts rotating, the driven rack 104 meshed with the driving surface starts moving leftwards, finally, the positioning plunger 1052 at the end of the driven rack 104 starts to be inserted into the positioning sleeve 1051, and the limiting plunger 1041 starts moving leftwards synchronously.

By moving the limit plunger 1041 leftwards, the end riser 208 is driven to start moving leftwards, the winding bracket 205 with the winding rod 2051 is driven to start moving leftwards, and the limit slider 2032 on the surface of the winding bracket 205 moves along the limit slide rail 2031, so that the distance between the winding bracket 205 and the rubberizing roller 2071 becomes longer, and the adhesive tape on the surface of the rubberizing roller 2071 is elongated and pulled to be matched with the length of the PCB.

After the positioning plunger 1052 starts to be inserted into the positioning sleeve 1051, the positioning plunger 1052 continuously moves towards the inside of the positioning sleeve 1051, the positioning fixture block 1062 always moves upwards through the positioning bulge 1053 with the chamfer angle, so that the positioning fixture block 1062 is convenient to insert, after the movement is stopped, the positioning fixture block 1062 on the surface always has downward movement force under the action of the extrusion spring 1063, and the position of the positioning plunger 1052 can be limited.

After the PCB passes through the size detecting unit 100 completely, when the PCB enters the rubberizing cutting unit 200, the electric push rod 201 is started at this time, the synchronous bracket 2012 at the bottom is driven by the electric push rod 201 to start to move downwards along the cross rod 203, the cross rod 203 moves downwards, the push rod 204 is driven to move downwards, the second baffle 2045 at the bottom of the push rod 204 starts to move downwards along the moving rail 2043, the second spring 2046 is extruded, and the second spring 2046 is extruded to reset conveniently.

The cross rod 203 moves downwards to drive the whole mechanism provided with the adhesive tape to start moving downwards, and finally the adhesive tape can be attached to the PCB, so that the operation of attaching the adhesive tape to the PCB can be completed.

At this time, the cross bar 203 continues to move downwards, so as to drive the pry bar 2063 inside the cutting assembly to contact with the arch support 103, at this time, the pry bar 2063 starts to rotate around the central shaft 2061, and after the rotation is completed, the guide bar 2065 on the surface slides in the positioning notch 2064, and drives the cutter 2066 connected with the tail end of the guide bar 2065 to start to move downwards, thus completing the cutting of the adhesive tape.

After the above operation is completed, the electric push rod 201 starts to retract, after the electric push rod 201 moves to a certain distance, the synchronizing rod 202 on the surface moves to the top of the unlocking inserting rod 2021, the unlocking cross rod 203 is driven to move upwards by the limiting plate 2022 continuously, so that the first baffle 1054 is pulled to start to move upwards, the first baffle 1054 moves upwards to drive the positioning clamping block 1062 to move upwards, the positioning clamping block 1062 is separated from the positioning protrusion 1053, and finally the positioning inserting rod 1052 performs a resetting operation through the first spring 1055.

Claims

1. A PCB board low temperature rubberizing equipment, its characterized in that: comprising

The size detection unit (100), the size detection unit (100) comprises a conveyor belt bracket (101), a conveyor belt body (1011) is arranged in the conveyor belt bracket (101), an arch bracket (103) is transversely and fixedly arranged on the surface of the conveyor belt bracket (101), a rotating shaft (1032) is movably arranged on the side wall of the arch bracket (103), a friction roller (1031) is fixedly arranged at the central position of the rotating shaft (1032), and the distance from the bottom of the friction roller (1031) to the conveyor belt body (1011) is adaptive to the thickness of a PCB (printed circuit board);

the rubberizing cutting unit (200), rubberizing cutting unit (200) includes electric putter (201), electric putter (201) output is fixed to be provided with synchronous support (2012), synchronous support (2012) end is fixed to be provided with horizontal pole (203), horizontal pole (203) surface activity is provided with winding support (205), horizontal pole (203) opposite side surface fixed is provided with linking bridge (207), linking bridge (207) inside activity is provided with rubberizing roller (2071), winding support (205) and linking bridge (207) surface fixed are provided with the cutting assembly that is used for automatic cutout;

the size detection unit (100) is used for detecting the size of the conveyed PCB, and transmitting the size to the rubberizing cutting unit (200) to control the size of the rubberizing adhesive tape, and cutting according to the adaptive size.

2. The PCB board low temperature rubberizing device of claim 1, wherein: the conveying belt is characterized in that a guide plate (102) is fixedly arranged on the side wall of the conveying belt support (1), the guide plate (102) is splayed, a plurality of pairs of guide rollers (1021) are movably arranged on the surface of the guide plate (102), and the guide rollers (1021) are made of rubber materials.

3. The PCB board low temperature rubberizing device of claim 1, wherein: the utility model discloses a conveyer belt support (101) is fixed, including rotation axis (1032), fixed drive gear (1033) that is provided with in rotation axis (1032), drive gear (133) upper surface meshing is provided with driven rack (104), driven rack (104) one of them lateral wall is fixed to be provided with spacing inserted bar (1041), spacing inserted bar (1041) surface activity grafting is provided with spacing seat (1042), spacing seat (1042) are fixed to be provided with on conveyer belt support (101) surface, driven rack (104) other end is fixed to be provided with location inserted bar (1052), the terminal grafting of location inserted bar (1052) is set up inside spacer bush (1051), spacer bush (1051) terminal fixed setting is in diaphragm (105) lateral wall, diaphragm (105) are fixed to be provided with conveyer belt support (101) surface.

4. A PCB board low temperature rubberizing device according to claim 3, wherein: the positioning inserting rod is characterized in that a first baffle plate (1054) is fixedly arranged at the tail end of the positioning inserting rod (1052), the first baffle plate (1054) is slidably arranged on the inner wall of the positioning sleeve (1051), a first spring (1055) is fixedly arranged at the tail end of the first baffle plate (1054), the tail end of the first spring (1055) is fixedly arranged on the inner wall of the positioning sleeve (1051), and the first spring (1055) is in a compressed state.

5. The PCB board low temperature rubberizing device of claim 4, wherein: the utility model discloses a locating sleeve, including installation cavity (106), baffle (1061) are provided with to installation cavity (106) inside slip, baffle (1061) bottom is fixed to be provided with location fixture block (1062), location fixture block (1062) activity runs through locating sleeve (1051) inner wall, location fixture block (1062) surface cup joints and is provided with extrusion spring (1063), extrusion spring (1063) both sides are fixed to be set up in baffle (1061) bottom and installation cavity (106) inner wall, in the space between location arch (1053) that location fixture block (1062) terminal activity grafting set up on location inserted bar (1052) surface, location arch (1053) surface carries out chamfering.

6. The PCB board low temperature rubberizing device of claim 1, wherein: the utility model discloses a motor-assisted bicycle, including electric putter (201) shell upper surface fixed L shape support (2011), L shape support (2011) end fixed setting is at diaphragm (105) upper surface, just electric putter (201) output is fixed to be provided with synchronizing lever (202), synchronizing lever (202) end activity grafting is provided with unblock inserted bar (2021), unblock inserted bar (2021) activity grafting installation cavity (106) inner wall, and unblock inserted bar (2021) bottom fixed setting is at first baffle (1054) upper surface, just unblock inserted bar (2021) top is fixed and is provided with limiting plate (2022), limiting plate (2022) diameter is greater than unblock inserted bar (2021) diameter.

7. The PCB board low temperature rubberizing device of claim 1, wherein: the conveying belt comprises a conveying belt support (101), wherein a mounting lug (2042) is fixedly arranged on the side wall of the conveying belt support, a sleeve (2041) is fixedly arranged at the top of the mounting lug (2042), a movable guide rail (2043) is arranged on the side wall of the sleeve (2041), a movable sliding block (2044) is arranged on the surface of the movable guide rail (2043) in a sliding mode, a second baffle (2045) is fixedly arranged on the surface of the movable sliding block (2044), a second spring (2046) is fixedly arranged at the bottom of the second baffle (2045), a push rod (204) is fixedly arranged at the other end of the second spring (2046) and fixedly arranged inside the sleeve (2041), and the tail end of the push rod (204) is fixedly arranged at the bottom of a transverse rod (203).

8. The PCB board low temperature rubberizing device of claim 7, wherein: the utility model discloses a horizontal pole, including horizontal pole (203), vertical slide rail (2081) have been seted up to horizontal pole (203) lateral wall, limit slide rail (2031) surface slip is provided with limit slider (2032), limit slider (2032) fixed surface is provided with connecting rod (2033), and connecting rod (2033) end fixed setting is in winding support (205) lateral wall, winding support (205) inside fixed winding pole (2051) that is provided with, winding support (205) back fixed vertical plate (208) that is provided with, vertical slide rail (2081) have been seted up on vertical plate (208) surface, vertical slide rail (2081) surface slip is provided with vertical slider (2082), and vertical slider (2082) central point puts fixed spacing inserted bar (1041).

9. The PCB board low temperature rubberizing device of claim 1, wherein: the utility model discloses a cutting assembly, including mounting panel (206), mounting panel (206) are fixed to be set up at winding support (205) lateral wall and linking bridge (207) lateral wall, mounting panel (206) surface activity sets up center pin (2061), center pin (2061) fixed surface is provided with pinch bar (2063), center pin (2061) surface cup joints and is provided with torsional spring (2062), fixed setting is in pinch bar (2063) lateral wall and mounting panel (206) lateral wall respectively at torsional spring (2062) both ends, locating notch (2064) have been seted up on pinch bar (2063) surface, locating notch (2064) are the bar, locating notch (2064) inside slip is provided with guide bar (2065), guide bar (2065) end fixed cutter (2066) that is provided with, and cutter (2066) cutting edge is located winding bar (2051) top.

10. A low-temperature rubberizing method for a PCB board, which is characterized by being used for the low-temperature rubberizing device for a PCB board according to any one of claims 1 to 9, comprising the following steps:

step one: firstly, placing a PCB (printed Circuit Board) in a conveyor belt body (1011), driving the PCB to enter a friction roller (1031) through a guide plate (102) by the conveyor belt body, and driving the friction roller (1031) to rotate by a certain angle under the action of friction force;

step two: the driving gear (1033) synchronously starts to rotate, so that the driven rack (104) with meshed surfaces is driven to start to move, the limiting inserted rod (1041) and the positioning inserted rod (1052) are driven to move leftwards, the positioning inserted rod (1052) is inserted into the positioning sleeve (1051), and positioning is completed through the positioning bulge (1053) and the positioning clamping block (1062) in the positioning sleeve (1051);

step three: the limiting inserted rod (1041) moves leftwards to drive the winding bracket (205) to integrally start moving leftwards, and the winding bracket (205) stretches the adhesive tape on the surface of the rubberizing roller (2071), so that the PCB with different sizes is adapted;

step four: then, starting an electric push rod (201), wherein the electric push rod (201) drives the adhesive tape to move downwards, so that the adhesive tape can be attached to the surface of a PCB, and a pry bar (2063) is contacted with a conveyor belt bracket (101) to drive the pry bar (2063) to rotate, and then drive a cutter (2066) to move downwards to cut the adhesive tape;

step five: the electric push rod (201) is retracted, and finally the unlocking inserting rod (2021) is driven to move upwards through the limiting plate (2022), so that the unlocking of the positioning bulge (1053) and the positioning clamping block (1062) is completed, and the device is guaranteed to be restored to the initial position.