CN209849193U

CN209849193U - Automatic glue dispenser

Info

Publication number: CN209849193U
Application number: CN201920433672.XU
Authority: CN
Inventors: 魏大成; 黄华明; 郭绒翔; 蔡甜
Original assignee: Wuhan Zhihe Optical Communication Co Ltd
Current assignee: Wuhan Zhihe Optical Communication Co Ltd
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2019-12-27
Anticipated expiration: 2029-04-01

Abstract

The utility model relates to an automation equipment technical field provides an automatic point gum machine, which comprises a support, the charging tray, first linear drive device, second linear drive device, clamping device and adhesive deposite device, first linear drive device all installs in the support with second linear drive device, the charging tray is equipped with a plurality of draw-in grooves that are used for placing and treat the mucilage binding piece, the charging tray centre gripping is fixed in clamping device, the last heating rod that is used for heating the solidification colloid that installs of clamping device, first linear drive device's output links to each other with clamping device, second linear drive device's output links to each other with adhesive deposite device, clamping device's direction of motion is perpendicular with adhesive deposite device's direction of motion. The utility model provides an automatic dispenser, a plurality of clamping grooves are arranged on a charging tray, and a plurality of pieces to be glued can be accommodated; the first linear driving device drives the material tray to change the parts to be glued, and the second linear driving device drives the glue dispensing device to perform glue injection operation and heat and solidify through the heating rod, so that the automation level and the production efficiency are high.

Description

Automatic glue dispenser

Technical Field

The embodiment of the utility model provides an automatic change equipment technical field especially relates to an automatic point gum machine.

Background

Optical fibers are the fundamental transmission channel for transmitting optical signals in the field of telecommunications. The optical fiber coupler is a fused taper type optical fiber device for distributing optical signals from one optical fiber to a plurality of optical fibers, has the characteristics of low additional loss, good directivity, excellent environmental stability, simple control method, low manufacturing cost and the like, and is widely applied to optical fiber communication. In the optical fiber coupler packaging process, a thermosetting adhesive is required for sealing, the current common mode is manual operation, the adhesive is injected into the glass tube by virtue of manpower, the working efficiency is extremely low, the packaging effect of the product is inconsistent, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic point gum machine for solve the low problem that leads to high in production cost of current manual operation work efficiency.

In order to solve the technical problem, the utility model provides an automatic glue dispenser, including support and charging tray, still include first linear drive device, second linear drive device, clamping device and adhesive deposite device, first linear drive device with second linear drive device all install in the support, the charging tray is equipped with a plurality of draw-in grooves that are used for placing and treat the mucilage binding piece, the charging tray centre gripping is fixed in clamping device, the last heating rod that is used for heating the solidification colloid that installs of clamping device, first linear drive device's output with clamping device links to each other, second linear drive device's output with adhesive deposite device links to each other, clamping device's direction of motion with adhesive deposite device's direction of motion is perpendicular.

The first linear driving device is installed at the bottom of the support and comprises a first motor, a first ball screw, a first screw nut and a first workbench, a motor shaft of the first motor is fixedly connected with the first ball screw, the first screw nut is matched with the first ball screw, the first workbench is fixedly installed on the first screw nut, and the clamping device is fixedly installed on the first workbench.

The first linear driving device further comprises a first mounting seat, a first guide plate and a first sliding rail, the shell of the first motor is fixedly mounted at one end of the first mounting seat, the first guide plate is a square plate with two bent ends, two ends of the first guide plate are fixedly connected with two ends of the first mounting seat respectively, the first workbench is provided with a slide, the first guide plate penetrates through the slide, the first ball screw is located between the first guide plate and the first mounting seat, the first sliding rail is fixedly arranged on the first mounting seat, the extending direction of the first sliding rail is parallel to the length direction of the first ball screw, and the first workbench is provided with a first sliding groove matched with the first sliding rail.

The support comprises a base body and a vertical frame, the base body is a hollow box body, the vertical frame is vertically and fixedly installed on the base body, the first linear driving device is installed in the box body, a strip-shaped hole is formed in a box cover of the box body, a sliding block is installed at the bottom of the clamping device and contained in the strip-shaped hole, and the other end of the sliding block is connected with the first linear driving device.

The clamping device comprises a base, a clamping piece and a driving piece, the output end of the first linear driving device is fixedly connected with the base, the driving piece is fixedly installed on the base, the output end of the driving piece is fixedly connected with the clamping piece, and under the action of the driving piece, the material disc is clamped on the base by the clamping piece.

The base comprises a transverse plate and a support, the support is fixedly connected with the output end of the first linear driving device, the transverse plate is fixedly installed on the support, the two clamping pieces are symmetrically arranged at two ends of the transverse plate, the driving piece and the clamping pieces are arranged in a one-to-one correspondence mode, and the material tray is pressed on the transverse plate by the clamping pieces.

The material tray is provided with positioning holes, the transverse plate is provided with pin holes, the pin holes and the positioning holes are arranged in a one-to-one correspondence mode, and the pin shafts penetrate through the pin holes and the positioning holes to perform initial positioning.

The dispensing device further comprises a distance sensor for detecting dispensing distance, and the distance sensor is fixedly mounted on the mounting seat of the second linear driving device.

Wherein, the charging tray package rubbing board body, the draw-in groove sets up on the plate body, the plate body includes first bending segment, horizontal segment and second bending segment, first bending segment the horizontal segment with the second bending segment links to each other in order, the surface of first bending segment with the angle that forms between the surface of horizontal segment is the obtuse angle, the surface of second bending segment with the angle that forms between the surface of horizontal segment is the obtuse angle.

The utility model provides an automatic glue dispenser, the charging tray is provided with a plurality of clamping grooves, a plurality of pieces to be glued can be placed at one time; the second linear driving device drives the glue dispensing device to perform glue injection operation on the part to be glued, and the part to be glued is heated and cured through a heating rod arranged on the clamping device after glue injection; first linear drive device drives the tight charging tray round trip movement of clamping device clamp to carry out the injecting glue operation to a plurality of mucilage binding pieces of treating in order, can once accomplish the automatic mucilage binding solidification of a plurality of mucilage binding pieces of treating through this automatic point gum machine from this, automatic level is high, helps improving production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a perspective view of an automatic dispenser according to an embodiment of the present invention;

FIG. 2 is a perspective view of the tray shown in FIG. 1;

FIG. 3 is an assembly view of the first linear drive device and clamping device shown in FIG. 1;

fig. 4 is an assembly view of the second linear driving device and the dispensing device shown in fig. 1.

In the figure: 10. a support; 11. a base body; 12. erecting a frame; 20. a material tray; 21. a card slot; 22. a plate body; 30. a first linear driving device; 31. a first motor; 32. a first ball screw; 33. a first lead screw nut; 34. a first table; 35. a first guide plate; 36. a first mounting seat; 37. a first slide rail; 38. a first chute; 40. a dispensing device; 41. a glue injection barrel; 42. a fixed seat; 50. a second linear drive; 60. a clamping device; 61. a base; 62. a clamping member; 63. a support; 64. a transverse plate; 65. a drive member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the present invention provides an automatic dispenser, as shown in fig. 1, which includes a support 10, a tray 20, a first linear driving device 30, a dispensing device 40, a second linear driving device 50 and a clamping device 60. The tray 20 is provided with a plurality of clamping grooves 21, and a part to be glued is clamped in each clamping groove 21. The first linear driving device 30 and the second linear driving device 50 are both arranged on the support 10; the holding device 60 is used for holding the tray 20, the output end of the first linear driving device 30 is connected with the holding device 60, the glue dispensing device 40 is used for quantitatively injecting glue into the piece to be glued, and the output end of the second linear driving device 50 is connected with the glue dispensing device 40. Under the action of the first linear driving device 30, the holding device 60 drives the tray 20 to move along the first direction, so that after the previous piece to be glued finishes the gluing process, the piece to be glued can be replaced by moving the tray 20. The dispensing device 40 is moved back and forth in the second direction by the second linear driving device 50. Wherein the first direction is perpendicular to the second direction. The holding device 60 is fixedly provided with a heating rod, and the heating rod is used for heating and curing the colloid in the glass tube.

In the automatic dispenser of the embodiment of the utility model, the tray 20 is provided with a plurality of slots 21, so that a plurality of pieces to be glued can be placed at one time; the second linear driving device 50 drives the glue dispensing device 40 to perform glue injection operation on the parts to be glued, glue adopted by glue injection of the coupler glass tube is viscous glue, and the glue is heated and cured through a heating rod arranged on the clamping device 60 after being injected; first linear drive device 30 drives clamping device 60 tight charging tray 20 and removes to carry out the injecting glue operation to a plurality of mucilage binding pieces of treating in order, can once accomplish the automatic mucilage binding solidification of a plurality of mucilage binding pieces of treating through this automatic point gum machine from this, and the automation level is high, helps improving production efficiency.

It should be noted that the embodiment of the present invention does not specifically limit the installation positions of the first linear driving device 30 and the second linear driving device 50 on the support 10. The first linear driving device 30 can be installed at the bottom of the support 10, the second linear driving device 50 is installed at the top of the support 10, and under the action of the first linear driving device 30, the holding device 60 drives the tray 20 to move along a first direction, i.e. a horizontal direction; the second linear driving device 50 drives the dispensing device 40 to move along the second direction, i.e. the vertical direction, so that the glue injected into the glass tube by the dispensing device 40 is retained in the glass tube under the action of gravity, and the sealing effect is better. Of course, the first linear driving device 30 and the second linear driving device 50 may also be both installed at the bottom of the support 10, the first linear driving device 30 drives the tray 20 on the clamping device 60 to move along the horizontal direction, and the glue dispensing device 40 performs a glue dispensing operation by approaching or departing from the tray 20 along the horizontal direction under the action of the second linear driving device 50.

The support 10 includes a base 11 and a stand 12 fixedly mounted on the base 11 by bolts, the base 11 is a hollow box, and the stand 12 is vertically fixed on the upper surface of the box and located on one side of the box. The first linear driving device 30 is installed in the seat 11, and the second linear driving device 50 is installed at an end of the stand 12 away from the seat 11.

As shown in fig. 2, the tray 20 includes a plate 22 and a slot 21 disposed on the plate 22. Specifically, plate body 22 includes first bending segment, horizontal segment and second bending segment, first bending segment and second bending segment set up the relative both sides at the horizontal segment, the angle that forms between the surface of first bending segment and the surface of horizontal segment is the obtuse angle, the angle that forms between the surface of second bending segment and the surface of horizontal segment is the obtuse angle, first bending segment promptly, horizontal segment and second bending segment link to each other in order and form the type of falling V structure of cutting most advanced, treat like this that long cable in the cementing spare can be in order to set up at first bending segment and second bending segment, thereby reduce the influence of cable weight to the cementing segment, improve the cementing precision. The horizontal section is provided with a square hole, a plurality of base plates are respectively arranged along the length direction of the square hole, each base plate is provided with a groove body, and the groove bodies on the plurality of base plates are sequentially communicated to form a clamping groove 21; of course, the slot 21 may be formed directly on the plate 22. The clamping device 60 is clamped on the plate body 22, and the notch of the clamping groove 21 faces to the transverse plate 64 of the clamping device 60.

The first linear driving device 30 and the second linear driving device 50 may use a pneumatic device or an electric device as a power source, for example, the first linear driving device 30 and the second linear driving device 50 may both be an electric push rod or a reciprocating cylinder, as long as the first linear driving device 30 drives the tray 20 clamped by the clamping device 60 to move linearly, and the second linear driving device 50 drives the dispensing device 40 to move linearly.

As shown in fig. 3, the first linear driving device 30 is specifically an electric push rod, and includes a first motor 31, a first ball screw 32, a first screw nut 33, and a first table 34. A motor shaft of the first motor 31 is fixedly connected with the first ball screw 32 through a coupler and a bearing, the first screw nut 33 is matched with the first ball screw 32, the first workbench 34 is fixedly installed on the first screw nut 33 through a bolt or integrally formed with the first screw nut 33, and the clamping device 60 is fixedly installed on the table top of the first workbench 34 through a bolt. The first ball screw 32 is driven by the first motor 31 to rotate, so as to drive the first screw nut 33 connected with the first ball screw 32 to move linearly, so that the holding device 60 on the first worktable 34 drives the tray 20 to move linearly.

In order to improve the smoothness of the linear movement, the first linear driving device 30 further includes a first guide plate 35. The first guide plate 35 is a strip-shaped plate with both ends bent to the same side, and the length direction thereof is consistent with the length direction of the first ball screw 32. The middle of the first workbench 34 is provided with a slide way, the first guide plate 35 penetrates through the slide way, the first ball screw 32 is located between the first guide plate 35 and the bottom of the base 11, and under the guidance of the first guide plate 35, the first workbench 34 can be kept stable in the moving process, so that the deviation caused by external vibration is avoided. In addition, the first linear driving device 30 further includes a first mounting seat 36 and a first slide rail 37. The first mounting seat 36 is located inside the seat body 11 and is fixedly connected to a box bottom bolt of the seat body 11, the first slide rail 37 is disposed on one side or two sides of the first ball screw 32, the first motor 31 is fixed to one end of the first mounting seat 36 by a bolt, and two bent ends of the first guide plate 35 are respectively fixedly connected to two ends of the first mounting seat 36 by bolts, so that the first guide plate 35 stands on the first mounting seat 36, that is, the first ball screw 32 is located between the first guide plate 35 and the first mounting seat 36. A first sliding groove 38 matched with the first sliding rail 37 is arranged on the surface of the first workbench 34; the first runner 38 may be a single dovetail groove or a double dovetail groove to increase the smoothness of the sliding. It should be noted that the first slide rail 37 and the first slide groove 38 may be arranged in reverse, that is, the first slide groove 38 is arranged on the first mounting seat 36, and the first slide rail 37 is arranged on the first workbench 34. In addition, in order to accurately limit the movement limit position of the first worktable 34 and avoid the uncertainty of the initial position when the whole device is used due to excessive movement in one direction, one or two inductive switches can be arranged on the side of the first mounting seat 36, and when one inductive switch is arranged, the inductive switch is arranged at the initial position, and the parking position of the first worktable 34 is controlled as the reset position at the beginning of the device use and after the device is used; when there are two, two inductive switches set up two extreme positions in the front and back on the direction of motion, avoid excessively moving to lead to adhesive deposite device 40 idle operation.

When the first linear driving device 30 is installed inside the seat 11, the bottom of the clamping device 60 is bolted or provided with a convex rib as a sliding block, and the other side of the sliding block is fixedly connected with the first worktable 34. A strip-shaped hole is formed in the box cover of the seat body 11, and the sliding block is contained in the strip-shaped hole and can move back and forth along the length direction of the strip-shaped hole. One or two sliding blocks can be provided, and the clamping device 60 is arranged outside the seat body 11 by virtue of the heightening effect of the sliding blocks, so that the appearance of the whole device is coordinated and the operation is convenient. Of course, the seat 11 may also be a common base, and the first linear driving device 30 is directly disposed on the upper surface of the base, at this time, the clamping device 60 may be directly fixed to the first worktable 34 by bolts without a slide block.

As shown in fig. 4, in the embodiment of the present invention, the structure of the second linear driving device 50 may be the same as that of the first linear driving device 30, that is, the second linear driving device 50 also includes a motor, a ball screw fixedly connected to a motor shaft of the motor, a lead screw nut matched with the ball screw, and a worktable bolted to the lead screw nut; in addition, similar to the first linear driving device 30, in order to ensure the moving stability, the second linear driving device 50 is also provided with a guide plate, a slide rail and a slide groove which have the same structure and arrangement mode as the first guide plate 35, the first slide rail 37 and the first slide groove 38, a mounting seat of the second linear driving device 50 is fixed on the top of the vertical frame 12 through bolts, and the fixed seat 42 is fixedly connected with a workbench of the second linear driving device 50 through bolts.

Referring to fig. 4, the dispensing device 40 includes a glue injection tube 41 and a fixing base 42, and the glue injection tube 41 is fixedly mounted on the fixing base 42. The glue injection cylinder 41 is a hollow cylinder, the inside of the cylinder is used for containing the sol and is arranged along the vertical direction, the bottom of the glue injection cylinder 41 is provided with a glue outlet or the bottom of the glue injection cylinder 41 is provided with a glue injection needle head; of course, the glue injection tube 41 may be arranged in other directions according to the actual situation of the second direction. Fixing base 42 includes cardboard, layer board and baffle, and fixture block and baffle are all vertical to be fixed in the layer board, and the fixture block is located the homonymy of layer board with the baffle. Specifically, there are two clamping plates, each clamping plate is provided with a clamping hole, the glue injection cylinder 41 is clamped in the clamping holes of the two clamping blocks, and the central axes of the two clamping holes are located on the same straight line and extend along the vertical direction; the supporting plate is a flat plate structure; the guide plate is provided with a guide hole, and the glue injection needle head is inserted in the guide hole to guide the glue injection direction. This fixing base 42 also can not set up the baffle, retrains the injecting glue direction through the card hole on two fixture blocks. The fixing seat 42 is connected with the output end of the second linear driving device 50, and under the driving of the second linear driving device 50, the fixing seat 42 moves along the vertical direction so as to inject the glue into the glass tube at the glue injection position.

When glue injection is carried out, glue in the glue injection barrel 41 flows downwards under the extrusion of a pressure head in the barrel, and the injected glue amount is controlled by controlling the pressing-down time, namely the downward flow time; after the glue injection operation is completed, a negative pressure environment is manufactured in the glue injection cylinder 41 by means of a negative pressure generator communicated with the glue injection cylinder 41, and glue is prevented from flowing downwards under the action of gravity.

The clamping device 60 is used for clamping and positioning the tray 20, and includes a base 61, a clamping member 62 disposed on the base 61, and a driving member 65 for driving the clamping member 62, as shown in fig. 3. The base 61 comprises a vertically arranged support 63 and a horizontally arranged transverse plate 64, and the middle of the transverse plate 64 is fixedly connected with one plate surface of the support 63 through a bolt. The heating rod is fixedly arranged on one side of the transverse plate 64 close to the charging tray 20. The number of the clamping members 62 is two, the two clamping members 62 are symmetrically arranged at two ends of the transverse plate 64, and the heating rod is arranged between the two clamping members 62. Each clamping member 62 is connected to a driving member 65, wherein the driving member 65 is a linear cylinder or an electric push rod fixedly mounted at an end portion of the horizontal plate 64, and an output end of the linear cylinder or the electric push rod is connected to the clamping member 62 for driving the clamping member 62 to approach or depart from the horizontal plate 64, so as to clamp the tray 20 on the horizontal plate 64 or release the tray 20. In order to realize accurate positioning of the tray 20, the transverse plate 64 is provided with pin holes corresponding to the positioning holes on the tray 20, the pin shaft passes through the positioning holes and the pin holes for accurate positioning, and then the driving member 65 drives the clamping member 62 to clamp the tray 20 on the transverse plate 64. For the steadiness that diaphragm 64 and support 63 are connected, support 63 includes the bottom plate that the level set up, vertical riser of installing on the bottom plate and two risers of setting in the riser both sides, wherein bottom plate and riser are square board, the riser is right angle trapezoidal board, the straight waist and the bottom plate bolt fixed connection of riser, the bottom and the riser bolt fixed connection of riser, two risers set up in the same one side of riser, diaphragm 64 fixed mounting is in the opposite side of riser and is located the riser and keeps away from the one end of bottom plate. The base plate is fixedly mounted to the first table 34 by means of a slide or direct bolt.

In addition, a distance sensor is further mounted on the mounting seat of the second linear driving device 50 and used for measuring the distance between the glue injection position of the piece to be glued and the bottom of the second linear driving device 50, and due to the fact that the bottom position of the second linear driving device 50 is fixed, when the glue injection position is not within a preset range, the piece to be glued is determined to belong to an unqualified product, and an alarm operation is performed; when the glue injection position is within the preset range, the part to be glued belongs to a qualified product, and glue injection operation is performed under the action of the second linear driving device 50.

In addition, the embodiment of the utility model provides an automatic glue dispenser still includes controlling means, and controlling means is connected with first linear drive device 30, second linear drive device 50, distance sensor and heating rod electricity, carries out automation mechanized operation under controlling means's centralized control.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an automatic glue dispenser, includes support and charging tray, its characterized in that still includes first linear drive device, second linear drive device, clamping device and adhesive deposite device, first linear drive device with second linear drive device all install in the support, the charging tray is equipped with a plurality of draw-in grooves that are used for placing the piece of treating the mucilage binding, the charging tray centre gripping is fixed in clamping device, the last heating rod that is used for heating the solidification colloid that installs of clamping device, first linear drive device's output with clamping device links to each other, second linear drive device's output with adhesive deposite device links to each other, clamping device's direction of motion with adhesive deposite device's direction of motion is perpendicular.

2. The automatic glue dispenser according to claim 1, wherein the first linear driving device is mounted at the bottom of the support, the first linear driving device comprises a first motor, a first ball screw, a first screw nut and a first workbench, a motor shaft of the first motor is fixedly connected with the first ball screw, the first screw nut is matched with the first ball screw, the first workbench is fixedly mounted at the first screw nut, and the clamping device is fixedly mounted at the first workbench.

3. The automatic dispenser according to claim 2, wherein the first linear driving device further comprises a first mounting seat, a first guide plate and a first slide rail, the housing of the first motor is fixedly mounted at one end of the first mounting seat, the first guide plate is a square plate with two bent ends, two ends of the first guide plate are respectively and fixedly connected with two ends of the first mounting seat, the first workbench is provided with a slide, the first guide plate penetrates through the slide, the first ball screw is located between the first guide plate and the first mounting seat, the first slide rail is fixedly arranged on the first mounting seat, the extending direction of the first slide rail is parallel to the length direction of the first ball screw, and the first workbench is provided with a first slide groove matched with the first slide rail.

4. The automatic dispenser according to claim 1, wherein the support comprises a base body and a stand, the base body is a hollow box body, the stand is vertically and fixedly mounted on the base body, the first linear driving device is mounted in the box body, a box cover of the box body is provided with a strip-shaped hole, a sliding block is mounted at the bottom of the clamping device and is accommodated in the strip-shaped hole, and the other end of the sliding block is connected with the first linear driving device.

5. The automatic dispenser according to claim 1, wherein the clamping device comprises a base, a clamping member and a driving member, the output end of the first linear driving device is fixedly connected with the base, the driving member is fixedly mounted on the base, the output end of the driving member is fixedly connected with the clamping member, and the tray is clamped on the base by the clamping member under the action of the driving member.

6. The automatic glue dispenser according to claim 5, wherein the base comprises a transverse plate and a support, the support is fixedly connected with the output end of the first linear driving device, the transverse plate is fixedly mounted on the support, the two clamping pieces are symmetrically arranged at two ends of the transverse plate, the driving pieces and the clamping pieces are arranged in a one-to-one correspondence manner, and the material tray is pressed on the transverse plate by the clamping pieces.

7. The automatic glue dispenser according to claim 6, further comprising a pin shaft, wherein a positioning hole is formed in the tray, pin holes are formed in the cross plate, the pin holes and the positioning hole are arranged in a one-to-one correspondence, and the pin shaft penetrates through the pin holes and the positioning hole to perform initial positioning.

8. The automatic dispenser according to claim 1, further comprising a distance sensor for detecting a dispensing distance, wherein said distance sensor is fixedly mounted to a mounting seat of said second linear driving device.

9. The automatic glue dispenser according to claim 1, wherein the tray comprises a plate body, the clamping groove is arranged on the plate body, the plate body comprises a first bending section, a horizontal section and a second bending section, the first bending section, the horizontal section and the second bending section are sequentially connected, an angle formed between the surface of the first bending section and the surface of the horizontal section is an obtuse angle, and an angle formed between the surface of the second bending section and the surface of the horizontal section is an obtuse angle.