CN218013762U

CN218013762U - Dispensing equipment

Info

Publication number: CN218013762U
Application number: CN202221978524.4U
Authority: CN
Inventors: 张佳鲁; 喻泷
Original assignee: Shenzhen Semipeak Technology Co ltd
Current assignee: Shenzhen Semipeak Technology Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-13
Anticipated expiration: 2032-07-28

Abstract

The embodiment of the utility model discloses a dispensing device, which relates to the dispensing technical field, and comprises a back plate, a valve body fixing seat, a valve body unit and a valve body fixing plate; the valve body unit comprises a valve body, and the valve body comprises a main body part and a first bulge part formed by outwards protruding and extending the side surface of the main body part; the valve body fixing seat comprises a mounting groove, and an opening is formed in the side surface of the mounting groove; the valve body fixing seat is arranged on the back plate; the main body part is tightly embedded in the mounting groove; the valve body fixing plate is arranged at the opening and is detachably connected with the valve body fixing seat; the upper side of the valve body fixing plate is abutted to the lower end face of the first protruding portion, and the valve body fixing plate supports the valve body unit. Compare in prior art through a large amount of fasteners with the fixed mode of valve body unit, the utility model discloses in, only need dismantle the valve body fixed plate, consequently dismantle efficiency is higher, has greatly shortened valve body unit and has dismantled abluent time.

Description

Dispensing equipment

Technical Field

The utility model relates to a glue technical field, especially relate to a glue dispensing equipment.

Background

The dispensing valve is a key component in the dispenser. The dispensing valve can pour or coat liquid on the surface or inside of a product through controlling glue and other liquid, and can perform dotting, line drawing, circle drawing and arc drawing according to requirements. The dispensing valve mainly comprises a pneumatic dispensing valve and an electric dispensing valve, the pneumatic dispensing valve controls the dispensing amount through pressure control and dispensing time, air supply pressure fluctuation can lead to unstable dispensing precision, and dispensing efficiency is low. The electrodynamic type dispensing valve has higher structure cost, relatively complex structure and more parts. The valve body needs to be periodically disassembled and cleaned, and in the prior art, the electric dispensing valve is very difficult to disassemble, so that the dispensing cleaning and the maintenance are time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem that will solve is that electrodynamic type dispensing valve dismantles very difficultly, causes the point to glue and washs the power consumption consuming time of maintaining.

In order to solve the above problems, an embodiment of the present invention provides a dispensing device, which includes a back plate, a valve body fixing seat, a valve body unit, and a valve body fixing plate; the valve body unit comprises a valve body, and the valve body comprises a main body part and a first bulge part formed by outwards protruding and extending the side surface of the main body part; the valve body fixing seat comprises a mounting groove, and an opening is formed in the side surface of the mounting groove; the valve body fixing seat is arranged on the back plate; the main body part is tightly embedded in the mounting groove; the valve body fixing plate is arranged at the opening and is detachably connected with the valve body fixing seat; the upper side of the valve body fixing plate is abutted to the lower end face of the first protruding portion, and the valve body fixing plate supports the valve body unit.

The valve body fixing plate is detachably connected with the valve body fixing seat through a fastening piece, and the fastening piece is positioned at the edge of the valve body fixing plate; the valve body further comprises a second bulge part formed by outwards protruding and extending the side face of the main body part, a limiting groove is formed in the side wall of the mounting groove, and the second bulge part is tightly embedded in the limiting groove.

The valve body unit also comprises a valve core, a rubber barrel and a push rod; the valve body further comprises a mounting hole, a first flow passage, a second flow passage and a third flow passage; the glue barrel is communicated with the third flow channel; the valve core comprises a fourth flow passage and a fifth flow passage; the push rod is hermetically embedded in the first flow passage and can be driven by the driving unit to reciprocate in the first flow passage; the valve core is embedded in the mounting hole, is connected with the valve core switching unit and can be driven by the valve core switching unit to rotate between a preset first position and a preset second position; wherein when the spool is in the first position, the fourth flow passage communicates the first flow passage with the second flow passage; when the valve core is at the second position, the fifth flow passage communicates the first flow passage with the third flow passage.

The valve body unit further comprises a push rod guide block, and the push rod guide block is sleeved on the push rod.

The valve core switching unit comprises a rotary cylinder, a coupler and a transmission shaft; the rotary cylinder is connected with the transmission shaft through the coupler, and the transmission shaft is connected with the valve core.

The valve core switching unit further comprises an air cylinder fixing block, the rotary air cylinder is arranged on the air cylinder fixing block, and the air cylinder fixing block is arranged on the back plate.

Its further technical scheme does, drive unit includes motor and coupling assembling, the motor passes through coupling assembling with the push rod is connected.

The connecting assembly comprises a linear module, a first connecting block and a second connecting block, wherein the linear module comprises a linear guide rail and a sliding block embedded in the linear guide rail; the first connecting block is connected with the motor; the second connecting block is arranged on the sliding block and is respectively connected with the first connecting block and the push rod.

Its further technical scheme does, still include the motor fixed block, glue the bucket fixed block and hold the piece, the motor is located on the motor fixed block, the motor fixed block is located on the backplate, glue the bucket fixed block with the motor fixed block is connected, hold the piece with it connects to glue the bucket fixed block, hold a centre gripping glue the bucket.

The further technical scheme is that the device further comprises a gas transmission interface and an IO interface, wherein the gas transmission interface is connected with the rotary cylinder, and the IO interface is connected with the motor.

Compared with the prior art, the embodiment of the utility model provides a technical effect that can reach includes:

compare in prior art through a large amount of fasteners with the fixed mode of valve body unit, the utility model discloses in, only need dismantle the valve body fixed plate, consequently dismantle efficiency is higher, has greatly shortened valve body unit and has dismantled abluent time.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a partially enlarged view of a dispensing apparatus provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a dispensing apparatus according to an embodiment of the present invention;

fig. 3 is another schematic structural view of a dispensing apparatus according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a valve body unit of a dispensing device according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a valve body unit of a dispensing device according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a valve core switching unit of a dispensing device according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a valve element of a dispensing device according to an embodiment of the present invention;

fig. 8 is another schematic structural diagram of a valve element of a dispensing device according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a valve body fixing seat of a dispensing device according to an embodiment of the present invention;

fig. 10 is another schematic structural view of a valve body fixing seat of a dispensing device according to an embodiment of the present invention.

Reference numerals

The valve comprises an I O interface 100, a motor 200, a connection assembly 300, a valve body unit 400, a valve body fixing seat 500, a valve core switching unit 600, a back plate 700, a gas transmission interface 800, a valve body fixing plate 502, a mounting groove 5011, an opening 5012, a limiting groove 5013, a fastener 503, a valve body 401, a push rod 402, a push rod fixing block 403, a push rod guide block 404, a valve sleeve 405, a valve core 406, a needle 407, a needle fixing block 408, a rubber barrel 409, a holding member 410, a rubber barrel fixing block 411, a sealing ring 412, a sealing ring fixing block 413, a mounting hole 414, a first flow passage 415, a second flow passage 416, a third flow passage 417, a fourth flow passage 418, a fifth flow passage 419, a rotary cylinder 601, a cylinder fixing block 602, a coupling 603, a transmission shaft 604, a motor fixing block 202, a lead screw 203, a sensor 204, a linear module 30, a linear guide rail 301, a second connection block 302, a first connection block 303, a sliding block 304, a groove 4061, a T-shaped indication groove 4062, a main body 4011, a first boss 4012, a second boss 4013, and a glue outlet interface 4011.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, wherein like component numbers represent like components. It is obvious that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the invention. As used in the description of the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Referring to fig. 1-10, an embodiment of the present invention provides a dispensing apparatus, which includes a back plate 700, a valve body fixing seat 500, a valve body unit 400, and a valve body fixing plate 502. The components are specifically described as follows:

the back plate 700 plays a role of main body support. The valve body fixing seat 500 is used for fixing the valve body unit 400, and the valve body fixing seat 500 may be fixed to or integrally disposed on the back plate 700.

The valve body unit 400 includes a valve body 401, and the valve body 401 includes a main body 4011 and a first projection 4012 formed by extending and projecting from a side surface of the main body 4011. The valve body 401 is a main body member of the valve body unit 400. Other components of the valve body unit 400 are directly or indirectly disposed on the valve body 401.

The valve body fixing seat 500 comprises a mounting groove 5011, and an opening 5012 is formed in the side face of the mounting groove 5011; the main body part 4011 of the valve body 401 is tightly embedded in the mounting groove 5011, so that the valve body 401 is limited, and the valve body 401 can be effectively prevented from shaking; valve body fixed plate 502 is located opening 5012 department, and with valve body fixing base 500 can dismantle the connection. The upside of valve body fixed plate 502 with the lower terminal surface butt of valve body 401's first boss 4012, valve body fixed plate 502 supports valve body unit 400 plays the supporting role to valve body unit 400 to need not to be connected through the fastener between valve body unit 400 and the valve body fixing base 500.

After the valve body fixing plate 502 is disassembled, the valve body unit 400 can be taken out from the mounting groove 5011, and the disassembling process of the valve body unit 400 is greatly simplified.

Compare the mode fixed with valve body unit 400 through a large amount of fasteners among the prior art, the utility model discloses in, only need dismantle valve body fixed plate 502, consequently dismantle efficiency is higher, has greatly shortened valve body unit 400 and has dismantled abluent time.

Further, the valve body 401 further includes a second protrusion 4013 formed by extending the side surface of the main body portion 4011 to protrude outwards, a limit slot 5013 is formed on the side wall of the mounting slot 5011, and the second protrusion 4013 is tightly embedded in the limit slot 5013.

The first and

second protrusions

4012 and 4013 may be located on different sides or the same side of the main body 4011, which is not specifically limited by the present invention.

The second boss 4013 is tightly embedded in the limit slot 5013, so that the valve 401 is limited, the valve 401 is limited from moving in the vertical, left, right, front and back directions, and the valve 401 can be effectively prevented from shaking.

Further, the valve body fixing plate 502 is detachably connected with the valve body fixing seat 500 through a fastening member 503, and meanwhile, the fastening member 503 is located at the edge of the valve body fixing plate 502, so that the valve body fixing plate is arranged in a clearance mode with the valve body 401, and the valve body 401 is prevented from being affected. The fastener 503 may be, for example, a screw.

Further, the dispensing apparatus further includes a valve core switching unit 600 and a driving unit. The valve body unit 400 includes a valve body 401, a valve core 406, a glue barrel 409, and a push rod 402. The valve body 401 includes a mounting hole 414, a first flow passage 415, a second flow passage 416, and a third flow passage 417. The spool 406 includes a fourth flow passage 418 and a fifth flow passage 419. The first flow passage 415 extends downward from the upper end surface of the valve body 401 to communicate with the mounting hole 414. The second flow passage 416 extends upward from the lower end surface of the valve body 401 to communicate with the mounting hole 414. The second flow passage 417 extends from a side surface of the valve body 401 (for example, a side surface of the first boss 4012 in the present embodiment) to communicate with the mounting hole 414.

The glue barrel 409 is communicated with the third flow passage 417, so that the glue in the glue barrel 409 can flow into the third flow passage 417. Specifically, the bottom of the glue barrel 409 is provided with a glue outlet interface 4091, and the glue outlet interface 4091 is embedded in the third flow passage 417 and is communicated with the third flow passage 417.

The plunger 402 is hermetically embedded in the first flow channel 415, and can be driven by the driving unit to reciprocate in the first flow channel 415.

The valve core 406 is disposed in the installation hole 414, connected to the valve core switching unit 600, and driven by the valve core switching unit 600 to rotate between a first position and a second position.

When the valve core 406 is in the first position, the fourth flow passage 418 connects the first flow passage 415 and the second flow passage 416, and at this time, the glue can flow out from the second flow passage 416 for glue dispensing.

When the spool 406 is in the second position, the fifth flow passage 419 connects the first flow passage 415 with the third flow passage 417, and at this time, the glue in the glue barrel 409 can enter the first flow passage 415, so that the glue can be replenished.

The side surface of the valve core 406 is provided with a T-shaped indicating groove 4062, when the valve core 406 rotates, the T-shaped indicating groove 4062 also rotates, and therefore the T-shaped indicating groove 4062 can be used for indicating the current rotating position of the valve core 406.

Further, the valve body unit 400 further includes a push rod guide block 404, and the push rod guide block 404 is sleeved on the push rod 402. The pusher guide 404 serves to guide the pusher 402 so that the pusher 402 can move in a fixed direction to prevent directional deviation.

Further, the valve body unit 400 further includes a sealing ring 412 and a sealing ring fixing block 413. The upper end of the valve body 401 is provided with a sealing ring 412, and the sealing ring 412 is fixed at the upper end of the valve body 401 by a sealing fixing block.

Further, the valve body unit 400 further includes a push rod fixing block 403, the push rod fixing block 403 is disposed at the upper end of the push rod 402, and the push rod fixing block 403 is connected to the second connection block 302.

Further, the valve body unit 400 further includes a valve housing 405, and a valve core 406 is embedded in the valve housing 405. Valve sleeve 405 protects valve core 406.

Further, the valve body unit 400 further includes a needle 407 and a needle fixing block 408. The needle fixing block 408 is used for fixing the needle 407, and the needle 407 is communicated with the second flow passage 416.

Further, the valve core switching unit 600 includes a rotary cylinder 601, a coupler 603, a transmission shaft 604, and a cylinder fixing block 602; the rotary cylinder 601 is connected to the transmission shaft 604 through the coupling 603, and the transmission shaft 604 is connected to the valve body 406. Specifically, the drive shaft 604 is embedded in a groove 4061 of the valve core 406.

The rotary cylinder 601 is arranged on the cylinder fixing block 602, and the cylinder fixing block 602 is arranged on the back plate 700. The rotating cylinder 601 drives the transmission shaft 604 to rotate, so as to drive the valve core 406 to rotate.

Further, the driving unit includes a motor 200 and a connecting assembly 300, and the motor 200 is connected to the push rod 402 through the connecting assembly 300.

The connecting assembly 300 includes a linear module 30, a first connecting block 303 and a second connecting block 302, wherein the linear module 30 includes a linear guide 301 and a sliding block 304 embedded on the linear guide 301; the first connecting block 303 is connected with the motor 200; the second connecting block 302 is disposed on the sliding block 304, and is connected to the first connecting block 303 and the push rod 402 respectively. The linear module 30 can ensure that the pusher 402 can move along a straight line.

Specifically, the motor 200 is connected to the first connecting block 303 through a lead screw 203, and a sensor 204 is disposed on the lead screw 203 for detecting a rotation angle of the lead screw 203.

Further, the dispensing equipment still includes motor fixed block 202, glues bucket fixed block 411 and holds a 410, motor 200 locates on the motor fixed block 202, motor fixed block 202 locates on the backplate 700, glue bucket fixed block 411 with motor fixed block 202 is connected, hold a 410 with it connects to glue bucket fixed block 411, hold a 410 centre gripping glue bucket 409. Specifically, the shape of holding piece 410 is the U font, will through holding piece 410 glue bucket 409 centre gripping, improve the stability of gluing bucket 409, simultaneously, need not to set up the fastener and connect convenient to detach.

Further, the dispensing apparatus further includes an I O interface component, and the I O interface component includes a gas transmission interface 800 and an I O interface 100. The gas transmission interface 800 is connected with the rotary cylinder 601 and is also connected with a gas supply source. The gas transmission interface 800 is used for supplying gas to the rotary cylinder 601.

Specifically, the I/O interface assembly includes two I/O interfaces 100, and the two I/O interfaces 100 are respectively connected to the motor 200 and a sensor 204 on the screw 203. The two io interfaces 100 respectively connect the motor 200 and the sensor 204 to the control unit.

For better explanation the utility model discloses, explain the check-point equipment course of operation:

1. glue extraction and exhaust

1. The glue barrel 409 is installed on the third flow passage 417 of the valve body 401, so that the glue barrel 409 is communicated with the third flow passage 417, and the glue barrel 409 is filled with glue.

2. The gas transmission interface 800 outputs a gas source to drive the rotary cylinder 601 to work, the rotary cylinder 601 drives the rotating shaft 604 through the coupler 603, the first flow passage 415 is communicated with the third flow passage 417 through the fifth flow passage 419 of the valve core 406, and at the moment, the second flow passage 416 at the lower end of the valve body 401 is closed with the first flow passage 415 at the upper end of the valve body 401.

3. Under the driving of the motor 200, the connecting assembly 300 drives the push rod 402 to move upwards, the push rod 402 moves upwards along the inner wall of the first flow channel 415, and due to the guiding of the linear guide rail 301, the connecting assembly 300 and the push rod 402 move linearly, so that the subsequent precision control is more accurate, and the push rod 402 moves upwards to exit from one end of the push rod guide block 404 by a distance of, for example, 2-3mm and reaches the bubble discharge position; glue flows into the valve body 401 from the glue barrel 409, air in the first flow passage 415 is discharged while the glue is extracted, the air in the first flow passage 415 is discharged along the push rod guide block 404, and meanwhile the glue is discharged into the sealing ring fixing block 413. When the glue is discharged, the time without bubbles can be used for judging that all air is discharged, and at the moment, the first flow passage 415 of the valve body 401 is filled with the glue, so that the air in the first flow passage 415 can be emptied, and the glue dispensing quality can be improved.

4. The valve body unit 400 is driven by the rotation air, the spool 406 rotates to communicate the first flow passage 415 with the second flow passage 416, the first flow passage 415 and the third flow passage 417 are closed, and the valve is in an open state.

5. Under the driving of the motor 200, the push rod 402 moves downward along the first flow passage 415, and the air in the second hole of the valve body 401 is discharged.

2. Glue dispensing

Air in the second pore channel of the valve body 401 is completely exhausted, and at the moment, the inner cavity of the valve body 401 is in a vacuum state. The motor 200 assembly drives the push rod 402 to move downwards, and glue in the valve body 401 is discharged through the needle 407, so that the glue dispensing operation is performed.

And discharging the glue in the valve body 401 through the needle 407 to realize product glue dispensing.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the terminology used in the description presented above should not be understood as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, while the invention has been described with respect to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

The above description is for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A dispensing device is characterized by comprising a back plate, a valve body fixing seat, a valve body unit and a valve body fixing plate; the valve body unit comprises a valve body, and the valve body comprises a main body part and a first bulge part formed by outwards protruding and extending the side surface of the main body part; the valve body fixing seat comprises a mounting groove, and an opening is formed in the side surface of the mounting groove; the valve body fixing seat is arranged on the back plate; the main body part is tightly embedded in the mounting groove; the valve body fixing plate is arranged at the opening and is detachably connected with the valve body fixing seat; the upper side of the valve body fixing plate is abutted against the lower end face of the first protruding portion, and the valve body fixing plate supports the valve body unit.

2. The dispensing apparatus of claim 1, wherein the valve body fixing plate is detachably connected with the valve body fixing seat through a fastener, and the fastener is located at the edge of the valve body fixing plate; the valve body further comprises a second bulge part formed by outwards protruding and extending the side face of the main body part, a limiting groove is formed in the side wall of the mounting groove, and the second bulge part is tightly embedded in the limiting groove.

3. The dispensing apparatus according to claim 1, further comprising a valve core switching unit and a driving unit, wherein the valve body unit further comprises a valve core, a glue barrel and a push rod; the valve body further comprises a mounting hole, a first flow passage, a second flow passage and a third flow passage; the glue barrel is communicated with the third flow channel; the valve core comprises a fourth flow passage and a fifth flow passage; the push rod is hermetically embedded in the first flow passage and can be driven by the driving unit to reciprocate in the first flow passage; the valve core is embedded in the mounting hole, is connected with the valve core switching unit and can be driven by the valve core switching unit to rotate between a preset first position and a preset second position; wherein when the spool is in the first position, the fourth flow passage communicates the first flow passage with the second flow passage; when the valve core is at the second position, the fifth flow passage communicates the first flow passage with the third flow passage.

4. The dispensing apparatus of claim 3, wherein the valve body unit further comprises a push rod guide block, and the push rod guide block is sleeved on the push rod.

5. The dispensing apparatus according to claim 3, wherein the spool switching unit includes a rotary cylinder, a coupling, and a transmission shaft; the rotary cylinder is connected with the transmission shaft through the coupler, and the transmission shaft is connected with the valve core.

6. The dispensing apparatus of claim 5, wherein the valve core switching unit further comprises a cylinder fixing block, the rotary cylinder is disposed on the cylinder fixing block, and the cylinder fixing block is disposed on the back plate.

7. The dispensing apparatus according to claim 5, wherein the driving unit comprises a motor and a connecting assembly, and the motor is connected with the push rod through the connecting assembly.

8. The dispensing apparatus of claim 7, wherein the connecting assembly comprises a linear module, a first connecting block and a second connecting block, the linear module comprises a linear rail and a sliding block embedded on the linear rail; the first connecting block is connected with the motor; the second connecting block is arranged on the sliding block and is respectively connected with the first connecting block and the push rod.

9. The dispensing equipment of claim 7, further comprising a motor fixing block, a glue barrel fixing block and a holding member, wherein the motor is arranged on the motor fixing block, the motor fixing block is arranged on the back plate, the glue barrel fixing block is connected with the motor fixing block, the holding member is connected with the glue barrel fixing block, and the holding member holds the glue barrel.

10. The dispensing device of claim 7, further comprising a gas transmission interface and an IO interface, wherein the gas transmission interface is connected to the rotary cylinder, and the IO interface is connected to the motor.