CN113059635A

CN113059635A - Table plate edge bonding machine and method

Info

Publication number: CN113059635A
Application number: CN202110327212.0A
Authority: CN
Inventors: 张进生; 蔡瑜; 王心雨
Original assignee: Shandong University
Current assignee: Shandong University
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-07-02
Anticipated expiration: 2041-03-26
Also published as: CN113059635B

Abstract

The invention relates to a table plate edge bonding machine and a method, wherein the table plate edge bonding machine comprises a rotary table supported by a workbench, the rotary table can drive a table plate to rotate along an axis vertical to a table top, a roller is arranged on one side of the rotary table and is parallel to the rotation direction of the rotary table, the rotating shaft of the roller is connected with a linear driving piece through a support, and the driving direction of the linear driving piece is a first direction vertical to the rotation direction of the rotary table; the rotating shaft is sleeved with two clamping pieces capable of translating along the axis direction of the rotating shaft, the clamping pieces are respectively positioned at two ends of the roller, one end of each clamping piece, which is far away from the linear driving piece, is a clamping end, and the clamping ends can clamp or loosen the seal. This openly can utilize the strip of paper used for sealing to accomplish the banding process of square table.

Description

Table plate edge bonding machine and method

Technical Field

The disclosure belongs to the technical field of table plate processing, and particularly relates to a table plate edge bonding machine and a method.

Background

The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.

The table plate comprises an upper surface, a lower surface and side edges, and the side edges of the partial type table plate need to be wrapped by the seal to form a smooth plane, so that the effects of shielding an exposed rough surface, preventing water from entering and the like are achieved. The sealing strip is mainly divided into a hard plastic sealing strip and a flexible sealing strip, the hard plastic sealing strip is fixed with the side edge through gluing, the glue is easy to crack after failure, a sharp corner is easy to form on the side edge after edge sealing, and children are easy to bump and damage or bruise at the side edge.

For rigid plastic strips, there are mature edge banding machine technologies. When the edge of the square table plate is sealed: and (3) finishing the edge sealing operation of one side edge every time, and feeding for multiple times to finish the edge sealing of all the side edges. When the edge of the round table plate is sealed: the table plate rotates, the side edges are coated with glue, and then the sealing strips are sequentially pressed and bonded on the side edges.

For a flexible seal (as shown in fig. 2 of the specification), a rubber material is generally used, a groove for clamping is preset at a side edge, the flexible seal includes an insertion end 32 inserted into the groove and an outer sealing end 32A attached to the side edge, and the insertion end is tightly inserted into the groove to complete sealing.

The inventor has appreciated that the use of a flexible seal ensures integrity, stability and tamper resistance of the edge seal. Instead of using multiple seals, a single flexible seal is used at multiple sides of the square table 13 (as shown in fig. 1). And the flexible nature of the edge seal makes it difficult to stabilize the feed. These edge banding requirements result in an edge banding machine configuration that does not accommodate flexible bands of plastic. The existing flexible sealing strip mostly adopts a manual beating edge sealing mode, a large amount of manpower and material resources are wasted, the table plate is easily damaged in the edge sealing process, and the processing quality and the efficiency of edge sealing of the table plate are seriously influenced.

Disclosure of Invention

The present disclosure is directed to a table edge bonding machine and method, which can solve at least one of the above problems.

In order to achieve the above object, one or more embodiments of the present disclosure provide a table edge bonding machine, including a turntable supported by a workbench, the turntable being capable of driving a table to rotate along an axis perpendicular to a table top, a roller being disposed on one side of the turntable, the roller being parallel to a rotation direction of the turntable, a rotation shaft of the roller being connected to a linear driving member through a bracket, a driving direction of the linear driving member being a first direction perpendicular to the rotation direction of the turntable; the rotating shaft is sleeved with two clamping pieces capable of translating along the axis direction of the rotating shaft, the clamping pieces are respectively positioned at two ends of the roller, one end of each clamping piece, which is far away from the linear driving piece, is a clamping end, and the clamping ends can clamp or loosen the seal.

As a further improvement, the bracket can be stretched and contracted along a first direction to change the distance between the roller and the rotary table, and elastic potential energy can be accumulated in the bracket when the bracket is retracted.

As a further improvement, one end of the clamping piece is provided with a strip-shaped hole extending along the first direction, the rotating shaft penetrates through the strip-shaped hole, the other end of the clamping piece is sleeved outside the guide shaft, and the guide shaft is vertically fixed with the driving end of the linear driving piece.

As a further improvement, the support comprises a top rod and a rod sleeve which are connected in an inserting mode, the top rod is connected with the rotating shaft, the rod sleeve is connected with the guide shaft, and a reset spring is arranged in the rod sleeve.

As further improvement, be equipped with the spring that provides two clamping pieces and keep away from elasticity mutually between two clamping pieces, the pinch roller is installed to the lateral surface of ejector pin, and the pinch roller compresses tightly the clamping piece, and the clamping piece keeps away from the outside of gyro wheel and has the inclined plane, and the distance of inclined plane and ejector pin diminishes along being close to the linear driving piece direction gradually.

One or more embodiments of the present disclosure also provide a manufacturing method of the above table edge bonding machine, including the following steps:

step 1, a turntable supports a table plate to be edge sealed, the head end of a seal is clamped by a clamping end, and an insertion end of the seal faces towards the turntable; the inserting end of the seal at the clamping end is contacted with the groove at the side edge of the table plate;

step 2, the two clamping pieces are far away from each other, the linear driving piece drives the roller to move towards the table board, and the insertion end is extruded into the groove by the roller;

step 3, the table plate rotates, the roller wheels walk along the side edges, and the insertion ends at corresponding positions are sequentially extruded into the adaptive grooves; when the table plate rotates, the linear driving piece moves along the first direction, so that the distance between the roller and the side edge is a set value;

and 4, after the edge sealing is finished, moving the linear driving piece backwards, resetting the clamping piece and re-clamping the seal strip.

The beneficial effects of one or more of the above technical solutions are as follows:

according to the combined mode of roller translation and table rotation, when the square table rotates, the distance between the roller and the side edge of the table can be guaranteed to be a set value, so that the whole flexible sealing strip can be extruded into the circle of the square table, and the integrity of the sealing strip is effectively guaranteed.

The clamping piece is installed at the rotating shaft, one end, far away from the linear driving piece, of the clamping piece forms a clamping end mode, the clamping piece can be opened in the process that the roller wheel extrudes the seal strip into the groove, the clamping piece cannot interfere with the table plate in a movement mode, in the process that the inserting end extrudes the groove, a closed clamping space is formed between the two clamping pieces, the roller wheel and the side edge of the table plate, and the clamping piece is effectively positioned.

The support can be followed first direction and stretch out and draw back when the elastic potential energy of accumulation, and when the table rotated to the corner and just faced the gyro wheel, the sudden change of size can be cushioned to the elastic potential energy of accumulation.

Set up the bar hole in the clamping piece for gyro wheel and support can not influence the distance between exposed core and the linear driving piece for linear driving piece's is flexible.

The elasticity that the clamp was kept away from mutually is provided through the spring, and the clamp force between two clamps can be provided through the pinch roller, and at the in-process that the gyro wheel moved towards linear drive spare direction, the pinch roller can make two clamps propped open by the spring through the cooperation on inclined plane, has realized the link between gyro wheel along first direction translation and the tip is close to each other or keep away from.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure.

FIG. 1 is a schematic structural view of a square table to be edge sealed according to one or more embodiments of the present disclosure;

FIG. 2 is a schematic cross-sectional view of a flexible seal in one or more embodiments of the present disclosure;

FIG. 3 is a schematic diagram of the overall structure in one or more embodiments of the present disclosure;

FIG. 4 is a schematic structural view of a clamping rolling mechanism, a cutting mechanism and the like in one or more embodiments of the disclosure;

FIG. 5 is a schematic structural view of a clamping rolling mechanism according to one or more embodiments of the present disclosure;

FIG. 6 is a schematic diagram of a secondary rolling mechanism according to one or more embodiments of the present disclosure;

fig. 7 is a schematic structural view of a seal clip according to one or more embodiments of the present disclosure.

In the figure, 1, a feeding mechanism; 2. an attitude adjusting mechanism; 3. clamping and rolling mechanism; 4. a cutting mechanism; 5. a secondary rolling mechanism; 6. a mechanical arm; 7. a second suction cup; 8. a blanking conveying line; 9. a sensor assembly; 10. a first suction cup; 11. a table plate; 11A, a rotary table; 12. a feeding conveying line; 13. a square table plate; 131. a groove; 21. a spring; 22. a return spring; 23. a roller; 24. a clip; 25. a pinch roller; 26. a rotating shaft; 27. a top rod; 28. a rod sleeve; 29. a guide shaft; 30. a driving end; 31. a damping spring; 31A, a pinch roller; 32. an insertion end; 32A, an outer sealing end; 33. a turntable; 241. a clamping end; 242. a planar section; 243. a slope section; 244. and (4) connecting the sections.

Detailed Description

Example 1

As shown in fig. 3 to 7, the present embodiment provides a table edge bonding machine, which includes a workbench 33, a turntable 11A is disposed at a central position of the workbench 33, a posture adjusting mechanism 2, a clamping rolling mechanism 3, a cutting mechanism 4, a secondary rolling mechanism 5, and a sensor assembly 9 are disposed on an upper surface of the workbench 33 along a circumferential direction of the turntable 11A, a feeding conveyor line 12 is disposed on one side of the turntable 11A, and a discharging conveyor line 8 is disposed on the other side.

In the existing hard plastic seal edge bonding machine for a circular table plate, the distance between the side edge and a corresponding workpiece for extruding a seal is unchanged in the rotating process of the table plate. If in this scheme if want to utilize square table rotatory and during gyro wheel 23 along the mode of side walking extrusion strip of paper used for sealing, the structure of its table leads to gyro wheel 23 can hinder the rotation of table 11, in order to solve this problem, this embodiment provides clamping rolling mechanism 3, clamping rolling mechanism 3 is including the revolving stage 11A who utilizes workstation 33 to support, revolving stage 11A can drive table 11 and rotate along the axis of perpendicular desktop, revolving stage 11A one side is equipped with gyro wheel 23, gyro wheel 23 is parallel with revolving stage 11A's direction of rotation, gyro wheel 23's pivot 26 is connected with the linear driving piece through the support, the direction of drive of linear driving piece is the first direction of perpendicular to revolving stage 11A direction of rotation. The outer circumferential side of the roller 23 has an arcuate annular groove for accommodating the case where the outer seal end 32A of the seal has an arcuate surface.

The roller 23 in this embodiment can be driven by the linear driving member to translate along the first direction, and when the square table 11 rotates along the central axis perpendicular to the table top, the linear driving member can be used to adjust the position of the roller 23, so that the distance between the roller 23 and the table 11 is kept unchanged.

In order to circularly extrude the seal when the roller 23 travels along the side of the table 11, and to sequentially extrude the insertion end 32 of the seal into the grooves 131 at different positions, the seal needs to be synchronously fed during the rotation of the table 11. In this embodiment, two clamping pieces 24 capable of translating along the axial direction of the rotating shaft 26 are sleeved on the rotating shaft 26, the clamping pieces 24 are respectively located at two ends of the roller 23, one end of each clamping piece 24, which is far away from the linear driving element, is a clamping end 241, and the clamping end 241 can clamp or loosen a seal.

The two clamping pieces 24 are respectively installed at two end faces of the roller 23 through the rotating shaft 26, the clamping pieces 24, the roller 23 and the side edge opposite to the roller 23 at present are enclosed to form a closed space, the seal is located in the space, and after the head end of the seal is squeezed into the corresponding position of the groove 131, the rotation of the table plate 11 can drive the subsequent seal to continuously feed and gradually wind a circle on the side edge of the table plate 11.

In the process of rotating the table plate 11, different sides respectively face the roller 23 at different moments, but when the table plate is positioned at the corners of the two sides, the distance between the roller 23 and the sides is suddenly changed, in order to reduce the impact caused by the sudden size change of the roller 23 at the position, the bracket can stretch and contract along the first direction to change the distance between the roller 23 and the rotary table 11A, and elastic potential energy is accumulated when the bracket retracts. When the table plate 11 rotates to the corner and faces the roller 23, the accumulated elastic potential energy can buffer the sudden change of the size, and the impact on the roller 23 is reduced.

On the flexible basis of first direction can be followed to the support, for the distance between motion influence clamping piece 24 and linear driving piece and the table 11 of gyro wheel 23 and support, have the bar hole of following the first direction extension in clamping piece 24 one end, bar hole is passed to pivot 26, and the clamping piece 24 other pot head is established outside guide shaft 29, and guide shaft 29 is fixed perpendicularly with linear driving piece's drive end 30. At this time, the movement of the rotating shaft 26 along the first direction is limited in the strip-shaped hole, and the rotating shaft 26 does not drive the clamping piece 24 to translate along the first direction.

In this embodiment, the bracket includes a top rod 27 and a rod sleeve 28, which are inserted into each other, the top rod 27 is fixedly connected with the rotating shaft 26, the rod sleeve 28 is fixedly connected with the guide shaft 29, and the rod sleeve 28 has the return spring 22 therein. The combined structure of the jack and the rod sleeve can be replaced by the gas spring 21.

In this embodiment, gyro wheel 23 extrudees seal head end to recess 131 and two clamping pieces 24 and keeps away from each other and open the action that relaxes the seal and should go on in step, in order to realize the linkage of these two actions, be equipped with the spring 21 that provides two clamping pieces 24 and keep away from elasticity mutually between two clamping pieces 24, pinch roller 25 is installed to ejector pin 27's lateral surface, pinch roller 25 compresses tightly clamping piece 24, clamping piece 24 keeps away from gyro wheel 23's the outside and has inclined plane and plane, the distance of inclined plane and ejector pin 27 diminishes along being close to sharp driving piece direction gradually. The maximum value of the distance between the inclined surface and the jack 27 is equal to the maximum value of the distance between the plane and the jack 27.

As shown in fig. 7, the clip 24 in this embodiment includes a clamping end 241, a plane section 242, a slope section 243 and a connecting section 244, which are sequentially arranged, the plane is formed outside the plane section 242, the plane is parallel to the first direction, the slope is formed outside the slope section 243, and the connecting section 244 has a through hole for passing through the guide shaft 29. In the initial state, the pressing wheel 25 contacts the plane of the plane section 242, the two clamping pieces 24 are pressed to the minimum distance, and the clamping ends 241 clamp the outer sealing end 32A of the seal. When the roller 23 and the seal are under pressure, the roller 23 moves towards the direction of the linear driving element, the support is compressed at the moment, the ejector rod 27 moves towards the direction of the linear driving element, the pressing wheel 25 moves from the plane section 242 to the inclined plane section 243 and contacts with the inclined plane, in the process of walking along the inclined plane, the two clamping pieces 24 are bounced away from each other by the spring 21 towards the direction away from each other, the distance between the two clamping ends 241 is larger than the thickness of the table 11, a part of the structure of the side edge of the table 11 is located between the two clamping ends 241, namely, the clamping ends 241 do not hinder the movement of the roller 23 and the side edge of the table 11, which are close to each.

In order to continuously supply the flexible seal between the two clamping ends, the present embodiment further includes a feeding mechanism 1, the feeding mechanism 1 includes a winding drum capable of winding the seal, one end of the seal is fixed on the winding drum, and the other end (i.e. the extending end) of the seal passes through between the two clamping ends 241. A clamping space is formed between the two clamping ends 241 at this time.

In order to realize the shaping and positioning of the flexible seal between the winding drum and the clamping space, the outer sealing end 32A of the seal at the clamping space is clamped by the clamping end 241, the insertion end 32 is right opposite to the groove 131, the posture adjusting mechanism 2 is arranged on the upper surface of the workbench 33, the posture adjusting mechanism 2 comprises a plurality of guide wheel sets used in pairs, each guide wheel set comprises two guide wheels, a guide space is formed between the two guide wheels, and the shapes and the sizes of the guide wheels are matched with the sizes of the shape mechanisms of the seal. By utilizing the matching of the posture adjusting mechanism and the clamping end, the characteristics of poor control and difficult fixation of the soft seal strip can be effectively solved, and the problem of deviation in the rolling process is avoided.

In order to drive the rotation of the table 11, a first suction pad 10 capable of sucking the table 11 is provided at the turntable 11A, a robot arm 6 is provided at the table 33, and the robot arm 6 is connected to a second suction pad 7 capable of sucking the table 11. A rotary driving member may be disposed at the turntable 11A or between the robot arm 6 and the second suction cup 7, and the rotation of the rotary driving member can drive the first suction cup 10 or the second suction cup 7 to rotate, so as to drive the table 11 to rotate. When the rotary driving member is disposed at the turntable 11A, the pedestal of the second suction cup 7 needs to be rotatably connected to the end of the mechanical arm 6. The rotary driving member can adopt a structure such as an electric motor or a pneumatic motor.

The mechanical arm 6 in this embodiment can be used to adjust the pose of the table 11 on the upper surface of the turntable 11A, and can assist in achieving loading and unloading of the table 11.

In order to further flatten the seal in the groove 131 after the roller 23 extrudes the insertion end 32 into the groove 131, the second rolling mechanism 5 is adopted in this embodiment, the second rolling mechanism 5 includes a pressing wheel disposed on the side of the roller 23 away from the seal feeding side, the pressing wheel travels along the outer contour surface of the seal, in order to adapt to the rotation condition of the square table 11, the pressing wheel is driven by a second linear driving element, and the driving direction of the second linear driving element is parallel to the first direction. Same in order to realize the shock attenuation in order to deal with the effect of size sudden change, second linear driving spare is connected with extending structure's one end, and the extending structure other end is connected with the pinch roller, sets up a damping spring 31 among the extending structure for the size sudden change of square table 11 of adaptation in the corner.

In order to cut the connection between the sealed seal and the redundant seal after the sealing of the table 11 is completed, the embodiment provides the cutting mechanism 4, the cutting mechanism 4 includes pneumatic scissors disposed between the pressing wheel and the roller 23, the pneumatic scissors are connected to the third linear driving member, and the driving direction of the third linear driving member is parallel to the first direction.

In order to realize the loading and unloading of the table plate 11, the embodiment further includes a loading conveyor line 12 for the table plate 11 without edge sealing, and a unloading conveyor line 8 for outputting the table plate 11 after edge sealing from the workbench 33. The feeding conveying line 12 and the discharging conveying line 8 can adopt roller conveying lines, belt conveying lines and other forms.

In order to monitor whether the position of the table 11 on the turntable 11A meets the requirement, the sensor assembly 9 is provided in the embodiment, the sensor assembly 9 is provided at one side of the worktable 33, the upper part of the sensor assembly is provided with a plurality of reflective laser sensors, and the relative position of the table 11 and the turntable 11A is judged by whether the laser emitted by the laser sensors is reflected back to the receiver.

In this embodiment, the linear driving element, the second linear driving element and the third linear driving element may be devices capable of realizing reciprocating linear driving, such as a hydraulic cylinder, an electric push rod or a linear motor.

Example 2

The embodiment provides a table board edge sealing method, which utilizes the table board edge sealing machine in the embodiment 1, and comprises the following steps:

the table plate 11 to be sealed is intermittently conveyed to the direction of the workbench 33 by the feeding conveying line 12, and when the table plate 11 reaches the rotary table 11A from the tail end of the feeding conveying line 12, whether the relative position of the table plate 11 and the rotary table 11A meets the requirement or not is detected by the sensor assembly 9. If the requirements are not met, the mechanical arm 6 is utilized to drive the second sucker 7 to be adsorbed on the upper surface of the table plate 11, and the position and the posture of the second sucker are adjusted. After the adjustment is completed, the first suction disc 10 on the rotary table 11A sucks the lower surface of the table plate 11.

In the initial stage, the leading end (i.e., the end extending outward) of the seal is clamped by the clamping end 241, and the insertion end 32 thereof is disposed toward the turntable 11A; the inserting end 32 of the seal head end position at the clamping end 241 is contacted with the groove 131 at the side edge of the table plate 11;

the linear driving piece drives the roller 23 to move towards the table board 11, the seal and the roller 23 are pressed, the support bears pressure, the ejector rod 27 retracts towards the rod sleeve 28, the pressing wheel 25 travels to the inclined plane, the distance between the two clamping pieces 24 is increased, the clamping ends 241 loosen the clamping of the seal, one part of the side edge of the table board 11 enters between the two clamping ends 241, and the insertion end 32 is extruded into the groove 131 by the roller 23.

The table plate 11 rotates, the roller 23 runs along the side edge, and the insertion ends 32 at the corresponding positions are sequentially extruded into the matched grooves 131; when the table plate 11 rotates, the linear driving member moves along the first direction, so that the distance between the roller 23 and the side edge is a set value.

After the rollers 23 sequentially extrude the seal to the grooves 131 at the corresponding positions on the side edges, the pressing wheels of the secondary rolling mechanism 5 synchronously extend and retract relative to the rollers 23 of the clamping rolling mechanism 3, and the flattening process of the seal with the edge sealed part is completed.

After the sealing is finished, the pneumatic scissors move to a position between the roller 23 and the pressing wheel to cut off the seal. The linear driving piece moves backwards, the roller 23 moves away from the linear driving piece under the action of the return spring 22, the ejector rod 27 extends out of the rod sleeve 28, the pressing wheel 25 runs to the plane part of the clamping piece 24, and the clamping piece 24 is pressed to return and clamp the seal again.

Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.

Claims

1. A table edge bonding machine is characterized by comprising a rotary table supported by a workbench, wherein the rotary table can drive a table to rotate along an axis vertical to a table top, a roller is arranged on one side of the rotary table and is parallel to the rotation direction of the rotary table, a rotating shaft of the roller is connected with a linear driving piece through a support, and the driving direction of the linear driving piece is a first direction vertical to the rotation axis of the rotary table;

the rotating shaft is sleeved with two clamping pieces capable of translating along the axis direction of the rotating shaft, the clamping pieces are respectively positioned at two ends of the roller, one end of each clamping piece, which is far away from the linear driving piece, is a clamping end, and the clamping ends can clamp or loosen the seal.

2. A table edge bonding machine as claimed in claim 1 wherein the carriage is capable of telescoping in a first direction to vary the spacing of the roller from the turntable, the carriage being capable of accumulating elastic potential energy upon retraction.

3. The table edge bonding machine as claimed in claim 2, wherein one end of the clamping piece has a strip-shaped hole extending along the first direction, the other end of the clamping piece is sleeved outside the guide shaft, the rotating shaft passes through the strip-shaped hole, and the guide shaft is perpendicular to and fixed to the driving end of the linear driving piece.

4. The table edge bonding machine according to claim 3, wherein the bracket comprises a top rod and a rod sleeve which are connected with each other in an inserted manner, the top rod is connected with the rotating shaft, the clamping piece is arranged between the top rod and the roller, the rod sleeve is connected with the guide shaft, and the rod sleeve is internally provided with a return spring.

5. The table edge bonding machine as claimed in claim 4, wherein a spring is disposed between the two clamping pieces for driving the two clamping pieces to move away from each other, a pressing wheel is mounted on the top rod for pressing the clamping pieces, an inclined surface is disposed on the outer side of the clamping pieces away from the roller, and the distance between the inclined surface and the top rod is gradually reduced along the direction close to the linear driving member.

6. The table edge bonding machine of claim 1, further comprising a feeding mechanism, wherein the feeding mechanism comprises a reel capable of winding the seal, and the extending end of the seal passes between the two clamping ends.

7. The table edge bonding machine as claimed in claim 1, wherein the turntable is provided with a first suction cup capable of adsorbing the table, the worktable is provided with a mechanical arm, and the mechanical arm is connected with a second suction cup capable of adsorbing the table.

8. The table edge bonding machine of claim 1, further comprising a pinch roller disposed on a side of the roller facing away from a material loading side of the seal, wherein pneumatic scissors are disposed between the pinch roller and the roller, and the pinch roller and the pneumatic scissors are capable of translating in a first direction.

9. The table edge bonding machine of claim 1, further comprising a feeding line for feeding the table to the table, and a discharging line for discharging the table from the table.

10. An edge sealing method by using the edge sealing machine for the table board as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:

the turntable supports the table plate to be edge sealed, the head end of the seal is clamped by the clamping end, and the insertion end of the seal faces the turntable;

the inserting end of the seal at the clamping end is contacted with the groove at the side edge of the table plate;

the two clamping pieces are far away from each other, the linear driving piece drives the roller to move towards the table board, and the insertion end is squeezed into the groove by the roller;

the table plate rotates, the roller wheels walk along the side edges, and the insertion ends at corresponding positions are sequentially extruded into the adaptive grooves;

when the table plate rotates, the linear driving piece moves along the first direction, and the distance between the roller and the side edge is a set value;

after the edge sealing is finished, the linear driving piece moves backwards, and the clamping piece resets and re-clamps the seal strip.