CN211275260U

CN211275260U - Double-end point gum machine

Info

Publication number: CN211275260U
Application number: CN201922020388.2U
Authority: CN
Inventors: 熊世伟
Original assignee: Guangdong Lidi Intelligent Technology Co ltd
Current assignee: Guangdong Lidi Intelligent Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-18
Anticipated expiration: 2029-11-20

Abstract

The utility model belongs to the technical field of the point gum machine technique and specifically relates to indicate a double-end point gum machine, which comprises a worktable, X axle actuating mechanism, Y axle actuating mechanism, visual positioning device, two Z axle actuating mechanism and two adhesive deposite device, adhesive deposite device includes the point gum base, the mount pad of point gum base is located in the slip, locate the locating part of point gum base, locate the buffer gear between point gum base and the mount pad, rotate the point gum head of locating the bottom of mount pad, locate the mount pad and be used for driving point gum head pivoted rotation actuating mechanism, locate the gluey jar of mount pad, rotate connect in the point gum head and with the point gum head advance the connecting pipe of glue end intercommunication and locate the control valve between jar and the connecting pipe, the point gum head is equipped with the point gum mouth. The utility model provides the high efficiency and the accuracy of point are glued, and the point is glued the head and is flexible contact or elastic contact with the work piece, and the point is glued the head and can be rotated, and the point that is convenient for adjust the point and glues the position and the point glue angle of mouthful with the point, has improved the accuracy and the quality of point gluing, and application range is wide.

Description

Double-end point gum machine

Technical Field

The utility model belongs to the technical field of the point gum machine technique and specifically relates to indicate a double-end point gum machine.

Background

The dispenser is also called a glue spreader, a glue dripping machine, a glue spreading machine, a glue pouring machine and the like, and is an automatic machine which is specially used for controlling fluid and dripping and coating the fluid on the surface of a product or in the product. With the continuous forward progress and development of society, along with the increasing popularization of electronic products. The dispensing process has become one of the essential processes in processing electronic products. The function of the glue dispensing process is mainly to connect and fix a plurality of electronic components and circuit boards or chips together. However, in order to complete the dispensing process in the prior art, most dispensing processes are performed by manually holding a dispensing workpiece on a circuit board or an electronic product. A dispenser is then available, which can achieve dispensing, but can only achieve dispensing in the horizontal direction, and has low dispensing efficiency and inaccurate dispensing position. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a dispensing head can rotate, and the point is glued the position and is accurate, and it is of high quality to glue, and efficient double-end point gum machine is glued to the point.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-head dispenser comprises a machine table, an X-axis driving mechanism arranged on the machine table, a Y-axis driving mechanism arranged at the output end of the X-axis driving mechanism, two Z-axis driving mechanisms arranged at the two output ends of the Y-axis driving mechanism respectively, and two dispensing devices arranged at the output ends of the two Z-axis driving mechanisms respectively, wherein one side of each dispensing device is provided with a visual positioning device, the Y-axis driving mechanism is used for driving the two Z-axis driving mechanisms to move along the Y-axis direction, each dispensing device comprises a dispensing seat connected with the output end of the Z-axis driving mechanism, a mounting seat arranged on the dispensing seat in a sliding manner, a limiting part arranged on the dispensing seat and used for abutting against the mounting seat, a buffer mechanism arranged between the dispensing seat and the mounting seat, a dispensing head rotatably arranged at the bottom of the mounting seat, a rotation driving mechanism arranged on the mounting seat and used for driving the dispensing, Install in the gluey jar of mount pad, rotate connect in the dispensing head and with the dispensing head advance the connecting pipe of gluey end intercommunication and set up in the control valve between gluey jar and connecting pipe, the glue of gluing the jar supply is supplied to the dispensing head via control valve and connecting pipe in proper order, the play of dispensing head is glued the end lateral wall and is seted up a bit and glue the mouth.

Furthermore, the buffer mechanism comprises a guide rod arranged at the bottom of the dispensing seat, a sliding sleeve arranged on one side of the mounting seat close to the dispensing seat, and an elastic piece arranged between the sliding sleeve and the dispensing seat, and the guide rod is connected with the sliding sleeve in a sliding manner.

Furthermore, the elastic element is a tension spring, the tension spring is sleeved outside the guide rod, one end of the tension spring abuts against the sliding sleeve element, and the other end of the tension spring abuts against the contact rubber base.

Furthermore, the dispensing head comprises a rotating sleeve, a dispensing nozzle, a bearing and a transition piece, the rotating sleeve is rotatably arranged on the mounting seat, a first mounting cavity and a second mounting cavity are respectively concavely arranged at two ends of the rotating sleeve, the glue inlet end of the glue dispensing nozzle is inserted in the first mounting cavity, the bearing is arranged in the second mounting cavity, the connecting pipe is rotationally connected with the rotating sleeve through the bearing, the bottom wall of the second mounting cavity is concavely provided with a transition cavity, a transition piece is arranged in the second mounting cavity and is provided with a transition through hole, one end of the transition piece is abutted against the glue outlet end of the connecting pipe, the other end of the transition piece is protruded into the transition cavity, the connecting pipe is communicated with the transition cavity through the transition through hole, a glue supply hole communicated with a glue inlet of the glue dispensing nozzle is concavely arranged on the bottom wall of the transition cavity, and one end, far away from the glue dispensing nozzle, of the rotating sleeve is in driving connection with the rotating driving mechanism.

Further, the play of transition piece is glued the end cover and is equipped with first sealing washer, the spring has been installed to the transition intracavity, the first sealing washer of one end conflict of spring, the diapire of transition chamber is contradicted to the other end of spring.

Furthermore, the end of the transition piece, which is abutted against the connecting pipe, is concavely provided with a containing hole, and a second sealing ring for sealing the gap between the transition piece and the connecting pipe is arranged in the containing hole.

Furthermore, the transition piece is provided with a limiting groove, a limiting hole used for being communicated with the limiting groove is concavely arranged on the bottom wall of the second installation cavity, a limiting column is inserted into the limiting hole, and one end of the limiting column extends into the limiting groove in a protruding mode.

Furthermore, the rotation driving mechanism comprises a driven wheel sleeved outside the rotation sleeve, a motor arranged on the mounting seat, a driving wheel arranged on an output shaft of the motor, and a transmission belt wound on the driving wheel and the driven wheel.

Furthermore, second inductors are arranged at two ends of the Z-axis driving mechanism, a second induction sheet used for triggering the second inductors is arranged on the dispensing seat, and the second inductors are electrically connected with the Z-axis driving mechanism.

Further, the first inductor is installed to the mount pad, rotate the suit and be equipped with the first response piece that is used for triggering first inductor.

The utility model has the advantages that: the utility model discloses a two adhesive deposite devices treat respectively that the point is glued the different positions of work piece and carry out the point and glue, the cycle of gluing has been shortened widely, the efficiency of gluing is improved, the position of treating the point through vision positioner again and gluing carries out visual positioning, the accuracy of gluing is improved, rethread sets up the locating part and carries out spacing and buffer mechanism to the mount pad and cushion the head of dispensing, make the head of dispensing be flexonics or elastic contact with the work piece of treating the point and glue, the effect of protection is played to dispensing head and work piece, the quality of dispensing head to work piece point is glued has been improved, and the dispensing head can rotate, flexibility is good, the point that the head was glued to the regulation point's of being convenient for point is glued the position and the angle of glue mouthful, thereby can satisfy the work piece to different demands and carry out the point and glue, the accuracy and the quality of gluing.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of the dispensing device of the present invention.

Fig. 3 is a schematic perspective view of another view angle of the dispensing device of the present invention.

Fig. 4 is a cross-sectional view of the dispensing head after hiding the dispensing nozzle.

Description of reference numerals:

1. a machine platform; 2. an X-axis drive mechanism; 3. a Y-axis drive mechanism; 4. a Z-axis drive mechanism; 5. a dispensing device; 50. dispensing a glue port; 51. dispensing a glue seat; 52. a mounting seat; 53. a limiting member; 54. a buffer mechanism; 541. a guide bar; 542. a slip member; 543. an elastic member; 55. dispensing a glue head; 551. rotating the sleeve; 552. dispensing a glue nozzle; 553. a bearing; 554. a transition piece; 555. a first mounting cavity; 556. a second mounting cavity; 557. a transition chamber; 558. a transition through hole; 559. a glue supply hole; 56. a rotation driving mechanism; 561. a driven wheel; 562. a motor; 563. a driving wheel; 564. a transmission belt; 57. a glue tank; 58. a connecting pipe; 59. a control valve; 6. a visual positioning device; 7. a first seal ring; 71. a spring; 72. a gasket; 81. a second seal ring; 92. a limiting column; 93. a first inductor; 94. a first sensing piece; 95. a shield; 96. a second inductor; 97. a second sensing piece; 98. and (4) a spacer bush.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 4, the utility model provides a double-head dispenser, which comprises a machine table 1, an X-axis driving mechanism 2 installed on the machine table 1, a Y-axis driving mechanism 3 installed at the output end of the X-axis driving mechanism 2, two Z-axis driving mechanisms 4 installed at two output ends of the Y-axis driving mechanism 3 respectively, and two dispensing devices 5 installed at the output ends of the two Z-axis driving mechanisms 4 respectively, wherein one side of each dispensing device 5 is provided with a visual positioning device 6, one dispensing device 5 and one visual positioning device 6 move synchronously, and the visual positioning device 6 is installed at the output end of the Y-axis driving mechanism 3 or on the main body of the Z-axis driving mechanism 4; the X-axis driving mechanism 2 is used for the Y-axis driving mechanism 3 to move along the X-axis direction of the machine table 1, the Y-axis driving mechanism 3 is used for driving the two Z-axis driving mechanisms 4 to move along the Y-axis direction of the machine table 1, the glue dispensing device 5 comprises a glue dispensing seat 51 connected with the output end of the Z-axis driving mechanism 4, a mounting seat 52 slidably arranged on the glue dispensing seat 51, a limiting part 53 arranged on the glue dispensing seat 51 and used for abutting against the mounting seat 52, a buffer mechanism 54 arranged between the glue dispensing seat 51 and the mounting seat 52, a glue dispensing head 55 rotatably arranged at the bottom of the mounting seat 52, a rotary driving mechanism 56 arranged on the mounting seat 52 and used for driving the glue dispensing head 55 to rotate, a glue tank 57 arranged on the mounting seat 52, a connecting pipe 58 rotatably connected to the glue dispensing head 55 and communicated with the glue inlet end of the glue dispensing head 55, and a control valve 59 arranged between the glue tank 57 and the connecting pipe 58, wherein glue supplied by the glue tank 57 is sequentially supplied to the glue, glue outlet end side wall of the glue dispensing head 55 is provided with a glue dispensing opening 50, the glue dispensing opening 50 is V-shaped, an included angle is formed between the glue dispensing opening 50 and the horizontal plane, a glue inlet end of the connecting pipe 58 is communicated with a glue outlet end of the control valve 59, and the vision positioning device 6, the rotation driving mechanism 56 and the control valve 59 are electrically connected.

During actual work, a workpiece to be subjected to glue dispensing is fixed on the machine table 1, the X-axis driving mechanism 2 and the Y-axis driving mechanism 3 are cooperatively used for driving the two glue dispensing devices 5 and the two visual positioning devices 6 to synchronously move so as to drive the two visual positioning devices 6 to respectively move to positions above different positions to be subjected to glue dispensing of the workpiece, the positions to be subjected to glue dispensing of the workpiece are visually positioned through the visual positioning devices 6, the visual positioning devices 6 feed back signals to the rotary driving mechanism 56 according to information obtained by visual positioning so as to enable the rotary driving mechanism 56 to drive the glue dispensing head 55 to rotate to a set angle, so that the glue dispensing port 50 of the glue dispensing head 55 is positioned at the accurate position to be subjected to glue dispensing of the workpiece, the quality of glue dispensing is ensured, at the moment, the X-axis driving mechanism 2 and the Y-axis driving mechanism 3 are cooperatively used for driving the two glue dispensing devices 5 to respectively move to the, then the Z-axis driving mechanism 4 drives the dispensing device 5 to move downwards along the Z-axis of the machine table 1 until the dispensing head 55 contacts with the workpiece to be dispensed, the control valve 59 is opened, the glue in the glue tank 57 sequentially enters the dispensing head 55 through the connecting pipe 58 and the control valve 59, and the dispensing head 55 dispenses the workpiece to be dispensed. In the dispensing process, the dispensing position of the dispensing head 55 and the dispensing angle of the dispensing opening 50 are changed through the cooperative matching of the X-axis driving mechanism 2, the Y-axis driving mechanism 3, the Z-axis driving mechanism 4 and the rotation driving mechanism 56, so that the dispensing requirements for different workpieces can be met. When the rotary driving mechanism 56 drives the dispensing head 55 to rotate to a set angle, so that the dispensing opening 50 is located at an accurate dispensing position, the Z-axis driving mechanism 4 drives the dispensing device 5 to move downwards in the Z-axis direction, when the dispensing head 55 is contacted with a workpiece to be dispensed, since the mounting seat 52 can slide up and down on the dispensing seat 51, and the buffer mechanism 54 is arranged between the mounting seat 52 and the dispensing seat 51, therefore, the dispensing head 55 can be flexibly or elastically contacted with the workpiece to be dispensed, thereby avoiding the hard impact collision between the dispensing head 55 and the workpiece to be dispensed, the dispensing head 55 and the workpiece are protected, when the limiting piece 53 abuts against the mounting seat 52, the limiting piece 53 blocks the mounting seat 52 from moving upwards, the mounting base 52 is limited, and the dispensing head 55 can be continuously and stably contacted with a workpiece to be dispensed, so that the dispensing quality of the dispensing head 55 to the workpiece is ensured. The two dispensing heads 55 dispense the glue at different positions of the workpiece to be dispensed, so that the dispensing cycle is greatly shortened, and the dispensing efficiency is improved.

The utility model respectively carries out glue dispensing on different positions of a workpiece to be subjected to glue dispensing through the two glue dispensing devices 5, greatly shortens the glue dispensing period, improves the glue dispensing efficiency, carries out visual positioning on the position to be subjected to glue dispensing through the visual positioning device 6, improves the glue dispensing accuracy, and buffers the glue dispensing head 55 through the limiting part 53 to limit the mounting seat 52 and the buffer mechanism 54, so that the glue dispensing head 55 can realize flexible contact or elastic contact with the workpiece to be subjected to glue dispensing, the dispensing head 55 and the workpiece are protected, the dispensing quality of the dispensing head 55 to the workpiece is improved, the dispensing head 55 can rotate, the flexibility is good, the dispensing position of the dispensing head 55 and the dispensing angle of the dispensing opening 50 can be conveniently adjusted, therefore, the dispensing device can meet the requirement of dispensing workpieces with different requirements, improves the accuracy and quality of dispensing, and has good practicability and wide application range.

When the Y-axis driving mechanism 3 consists of two groups of linear driving modules, the two groups of linear driving modules respectively drive the two glue dispensing devices 5 to move, and the Y-axis driving mechanism 3 with the structural design enables the two glue dispensing devices 5 to work independently without mutual interference; when the Y-axis driving mechanism 3 comprises a Y-axis driving motor, a bidirectional screw rod and two moving nuts, the two moving nuts are respectively in threaded connection with two ends of the bidirectional screw rod, the Y-axis driving motor drives the bidirectional screw rod to rotate, the two glue dispensing devices 5 are respectively arranged on the two moving nuts, the Y-axis driving mechanism 3 with the structural design can drive the two glue dispensing devices 5 to synchronously move close to or away from each other, and the Y-axis driving mechanism is particularly suitable for dispensing on workpieces with symmetrical structures or workpieces with symmetrical glue dispensing positions.

In this embodiment, the buffer mechanism 54 includes a guide rod 541 installed at the bottom of the dispensing seat 51, a sliding sleeve 542 installed at one side of the mounting seat 52 close to the dispensing seat 51, and an elastic member 543 arranged between the sliding sleeve 542 and the dispensing seat 51, wherein the guide rod 541 and the sliding sleeve 542 are slidably connected; specifically, the elastic member 543 is a tension spring, the tension spring is sleeved outside the guide rod 541, one end of the tension spring is connected with the sliding sleeve 542, and the other end of the tension spring is connected with the dispensing seat 51. The cushion mechanism 54 supports the mount 52 when the dispensing head 55 is not in contact with the workpiece, and the cushion mechanism 54 cushions the mount 52 and thus the dispensing head 55 when the dispensing head 55 is in contact with the workpiece. The guide rod 541 is slidably connected with the sliding sleeve 542, and the guide rod 541 guides and limits the sliding of the mounting seat 52, so that the sliding stability of the mounting seat 52 is improved; the extension spring is simple in structure, low in cost, good in elasticity and long in service life, and the extension spring is limited and guided through the guide rod 541, so that the extension spring is convenient to disassemble, assemble and replace, and the stability of the extension spring in working is improved.

Specifically, the mounting seat 52 is in sliding connection with the dispensing seat 51 through sliding fit of a sliding rail and a sliding block, and the guide rail is vertically arranged; through slide rail and slider sliding fit, improved mount pad 52 and slided the stability on point gum base 51.

In this embodiment, the dispensing head 55 includes a rotating sleeve 551, a dispensing nozzle 552, a bearing 553 and a transition member 554, the rotating sleeve 551 is rotatably installed on the mounting base 52, the dispensing opening 50 is disposed at a dispensing end of the dispensing nozzle 552, two ends of the rotating sleeve 551 are respectively provided with a first mounting cavity 555 and a second mounting cavity 556 in a concave manner, a dispensing end of the dispensing nozzle 552 is inserted into the first mounting cavity 555, the bearing 553 is installed in the second mounting cavity 556, the connecting pipe 58 is rotatably connected with the rotating sleeve 551 through the bearing 553, a transition cavity 557 is disposed in a concave manner on a bottom wall of the second mounting cavity 556, the transition member 554 is installed in the second mounting cavity 556, the transition member 554 is provided with a transition through hole 558, one end of the transition member 554 is abutted against the dispensing end of the connecting pipe 58, the other end of the transition member 554 is protruded into the transition cavity 557, the connecting pipe 58 is communicated with the transition cavity 557 through the transition through hole 558, a glue supply hole 559 communicated with a glue inlet of the glue dispensing nozzle 552 is concavely arranged on the bottom wall of the transition cavity 557, and one end of the rotating sleeve 551 far away from the glue dispensing nozzle 552 is in driving connection with the rotating driving mechanism 56; preferably, the number of the bearings 553 is two, and the two bearings 553 are spaced apart via a spacer 98.

In actual operation, glue enters the transition piece 554 through the connecting pipe 58, the transition piece 554 conveys the glue to the transition cavity 557, the glue in the transition cavity 557 is conveyed to the glue dispensing nozzle 552 through the glue supply hole 559, and the glue dispensing nozzle 552 dispenses a work piece. The dispensing head 55 that this structure set up has guaranteed that dispensing head 55 can normally be glued, and dispensing head 55 can rotate relative to connecting pipe 58 simultaneously, is convenient for adjust the angle of the dispensing mouth 50 of dispensing head 55.

Specifically, the mounting seat 52 is provided with a first sensor 93, and the rotating sleeve 551 is provided with a first sensing piece 94 for triggering the first sensor 93; when the first sensor plate 94 triggers the first sensor 93, it is proved that the dispensing head 55 returns to zero, which facilitates to adjust the rotation of the dispensing head 55 by a set angle.

In this embodiment, a first sealing ring 7 is sleeved at the glue outlet end of the transition piece 554, a second sealing ring 81 is installed at the bottom wall of the transition cavity 557, a spring 71 is installed in the transition cavity 557, one end of the spring 71 abuts against the first sealing ring 7, and the other end of the spring 71 abuts against the gasket 72. Spring 71 provides the elastic force for first sealing washer 7 and packing ring 72 for first sealing washer 7 steadily suits all the time outside the play glue end of transition piece 554, and packing ring 72 steadily pastes the diapire of establishing at transition chamber 557 all the time, has sealed the clearance between the lateral wall of transition chamber 557 and the transition piece 554 effectively, avoids glue to spill outside the transition chamber 557, can not appear leaking the problem of gluing.

In this embodiment, the abutting end of the transition piece 554 and the connecting pipe 58 is recessed with a receiving hole, and the receiving hole is provided with a second sealing ring 81 for sealing the gap between the transition piece 554 and the connecting pipe 58. Because the transition piece 554 rotates synchronously along with the rotating sleeve 551, the transition piece 554 rotates relative to the connecting pipe 58, a gap between the transition piece 554 and the connecting pipe 58 is sealed by additionally arranging the second sealing ring 81, the transition piece 554 can rotate relative to the connecting pipe 58, meanwhile, the problem of glue leakage is avoided, the second sealing ring 81 is installed in the accommodating hole, the second sealing ring 81 and the transition piece 554 are compact in structure, the second sealing ring 81 and the connecting pipe 58 are compact in structure, the hole wall of the accommodating hole abuts against the second sealing ring 81 to limit the second sealing ring 81, the stability of the second sealing ring 81 is ensured, and the second sealing ring 81 is not easy to separate from the transition piece 554 or the connecting pipe 58.

In this embodiment, the transition piece 554 is provided with a limiting groove, the bottom wall of the second mounting cavity 556 is concavely provided with a limiting hole for communicating with the limiting groove, a limiting column 92 is inserted into the limiting hole, and one end of the limiting column 92 protrudes into the limiting groove; specifically, the limiting groove is U-shaped. This configuration, on the one hand, facilitates the removal and maintenance of the transition piece 554 from the rotating sleeve 551, and, on the other hand, ensures that the transition piece 554 is able to rotate synchronously with the rotating sleeve 551.

In this embodiment, the rotation driving mechanism 56 includes a driven wheel 561 sleeved outside the rotation sleeve 551, a motor 562 installed on the mounting seat 52, a driving wheel 563 installed on an output shaft of the motor 562, and a transmission belt 564 wound around the driving wheel 563 and the driven wheel 561. In actual operation, the motor 562 drives the driving wheel 563 to rotate, the rotating driving wheel 563 drives the driven wheel 561 to rotate via the transmission belt 564, and the rotating driven wheel 561 drives the rotating sleeve 551 to rotate, so that the dispensing head 55 rotates. The rotation driving mechanism 56 has a simple structure, is stable in transmission, and does not generate noise, thereby improving the stability and precision of the rotation of the dispensing head 55.

In this embodiment, the two ends of the Z-axis driving mechanism 4 are both provided with a second sensor 96, the dispensing base 51 is provided with a second sensing piece 97 for triggering the second sensor 96, and the second sensor 96 is electrically connected with the Z-axis driving mechanism 4. When the second sensor 96 at the bottom of the Z-axis driving mechanism 4 is triggered by the second sensing piece 97, the second sensor 96 feeds back a signal to the Z-axis driving mechanism 4, so that the Z-axis driving mechanism 4 stops driving the dispensing device 5 to move downwards; when the second sensor 96 at the top of the Z-axis driving mechanism 4 is triggered by the second sensing piece 97, the second sensor 96 feeds back a signal to the Z-axis driving mechanism 4, so that the Z-axis driving mechanism 4 stops driving the dispensing device 5 to move upwards; through the cooperation of the second induction sheet 97 and the two second inductors 96, the stroke precision of the up-and-down movement of the glue dispensing device 5 is ensured, and the up-and-down movement stability of the glue dispensing device 5 is improved.

The control valve 59 may be a solenoid valve.

Specifically, the mount 52 is provided with a shield 95, and the shield 95 protects the dispensing head 55.

Preferably, the limiting member 53 is an adjusting screw, the adjusting screw is in threaded connection with the dispensing seat 51, and the adjusting screw is rotated to adjust the lifting of the adjusting screw, so that the lifting stroke of the mounting seat 52 can be adjusted.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a double-end point gum machine which characterized in that: the glue dispensing device comprises a glue dispensing seat connected with the output end of the Z-axis driving mechanism, a mounting seat arranged on the glue dispensing seat in a sliding manner, a limiting part arranged on the glue dispensing seat and used for abutting against the mounting seat, a buffer mechanism arranged between the glue dispensing seat and the mounting seat, a glue dispensing head rotationally arranged at the bottom of the mounting seat, a rotation driving mechanism arranged on the mounting seat and used for driving the glue dispensing head to rotate, a glue tank arranged on the mounting seat, a first driving mechanism arranged at the output end of the X-axis driving mechanism, two Z-axis driving mechanisms arranged at the two output ends of the Y-axis driving mechanism respectively, and two glue dispensing devices arranged at the output ends of the two Z-axis driving mechanisms respectively, wherein one side of each glue dispensing device is provided with a visual positioning device, the Y-axis driving mechanism is used for driving the two Z-axis driving mechanisms to move along the Y-axis direction, each glue, The glue dispensing device comprises a connecting pipe and a control valve, wherein the connecting pipe is connected to a glue dispensing head in a rotating mode and communicated with a glue inlet end of the glue dispensing head, the control valve is arranged between a glue tank and the connecting pipe, glue supplied by the glue tank is supplied to the glue dispensing head through the control valve and the connecting pipe in sequence, and a glue dispensing port is formed in the side wall of a glue outlet end of the glue dispensing head.

2. The double-head dispenser according to claim 1, wherein: the buffer mechanism comprises a guide rod arranged at the bottom of the dispensing seat, a sliding sleeve arranged on one side of the mounting seat close to the dispensing seat and an elastic piece arranged between the sliding sleeve and the dispensing seat, and the guide rod is in sliding connection with the sliding sleeve.

3. The double-head dispenser according to claim 2, wherein: the elastic part is a tension spring, the tension spring is sleeved outside the guide rod, one end of the tension spring is abutted against the sliding sleeve part, and the other end of the tension spring is abutted against the contact rubber seat.

4. The double-head dispenser according to claim 1, wherein: the dispensing head comprises a rotating sleeve, a dispensing nozzle, a bearing and a transition piece, the rotating sleeve is rotatably arranged on the mounting seat, a first mounting cavity and a second mounting cavity are respectively concavely arranged at two ends of the rotating sleeve, the glue inlet end of the glue dispensing nozzle is inserted in the first mounting cavity, the bearing is arranged in the second mounting cavity, the connecting pipe is rotationally connected with the rotating sleeve through the bearing, the bottom wall of the second mounting cavity is concavely provided with a transition cavity, a transition piece is arranged in the second mounting cavity and is provided with a transition through hole, one end of the transition piece is abutted against the glue outlet end of the connecting pipe, the other end of the transition piece is protruded into the transition cavity, the connecting pipe is communicated with the transition cavity through the transition through hole, a glue supply hole communicated with a glue inlet of the glue dispensing nozzle is concavely arranged on the bottom wall of the transition cavity, and one end, far away from the glue dispensing nozzle, of the rotating sleeve is in driving connection with the rotating driving mechanism.

5. The double-head dispenser according to claim 4, wherein: the end cover is equipped with first sealing washer to the play of transition piece, the spring has been installed to the transition intracavity, the first sealing washer of one end conflict of spring, the diapire of transition chamber is contradicted to the other end of spring.

6. The double-head dispenser according to claim 4, wherein: and one end of the transition piece, which is abutted against the connecting pipe, is concavely provided with a containing hole, and a second sealing ring for sealing a gap between the transition piece and the connecting pipe is arranged in the containing hole.

7. The double-head dispenser according to claim 4, wherein: the transition piece is provided with a limiting groove, the bottom wall of the second installation cavity is concavely provided with a limiting hole communicated with the limiting groove, a limiting column is inserted into the limiting hole, and one end of the limiting column extends into the limiting groove.

8. The double-head dispenser according to claim 4, wherein: the rotation driving mechanism comprises a driven wheel sleeved outside the rotation sleeve, a motor arranged on the mounting seat, a driving wheel arranged on an output shaft of the motor and a transmission belt wound on the driving wheel and the driven wheel.

9. The double-head dispenser according to claim 1, wherein: the two ends of the Z-axis driving mechanism are provided with second sensors, the dispensing seat is provided with second sensing pieces used for triggering the second sensors, and the second sensors are electrically connected with the Z-axis driving mechanism.

10. The double-head dispenser according to claim 4, wherein: the installation seat is provided with a first inductor, and the rotating sleeve is provided with a first induction sheet for triggering the first inductor.