CN216573911U

CN216573911U - Pneumatic glue spreader

Info

Publication number: CN216573911U
Application number: CN202220043544.6U
Authority: CN
Inventors: 李延昭
Original assignee: Shandong Pinhe Automation Equipment Co ltd
Current assignee: Shandong Pinhe Automation Equipment Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-05-24
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to the technical field of gluing, in particular to a pneumatic gluing machine which can automatically coat glue on a glass plate, thereby avoiding manual gluing, reducing labor intensity, improving working efficiency and having high practicability; the automatic gluing device comprises a bottom plate, a support plate, a gluing head, a lifting device, a support plate, a support shaft, a support frame, a fixing plate, a front-back moving device, a left-right moving device, a driving device and a clamping device, wherein the support plate is fixedly arranged at the upper end of the bottom plate, the front-back moving device is arranged at the upper part of the support plate, a pneumatic gluing device is arranged on the support plate, a hose and a gluing head are arranged on the pneumatic gluing device, the output end of the pneumatic gluing device is connected with the input end of the gluing head through the hose, the gluing head is arranged on the front-back moving device, the left-right moving device is arranged on the bottom plate, the lifting device is fixedly arranged on the left-right moving device, the support plate is fixedly arranged at the upper end of the lifting device, and the support shaft is rotatably arranged on the support plate.

Description

Pneumatic glue spreader

Technical Field

The utility model relates to a rubber coated technical field especially relates to a pneumatic spreading machine.

Background

A windshield is a device for shielding a wind, which has a wide range of applications in automobiles. Before the windshield on the automobile is installed on the automobile, firstly coating a layer of glue on the edge of the windshield, and then adhering the windshield coated with the glue to an installation frame of the automobile; at present, the glue coating mode on the windshield of an automobile is to manually hold a glue gun box to coat glue on the windshield, and in the glue coating process, a worker needs to hold a glue gun to move along the edge of the windshield, so that the labor intensity is high, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can be automatically to glass board rubber coating, avoided artifical rubber coating, reduced intensity of labour, improved work efficiency, pneumatic spreading machine that the practicality is high.

The utility model discloses a pneumatic gumming machine, comprising a bottom plate, an extension plate, a gumming head, a lifting device, a support plate, a support frame, a fixed plate, a back-and-forth movement device, a left-and-right movement device, a driving device and a clamping device, wherein the extension plate is fixedly arranged at the upper end of the bottom plate, the back-and-forth movement device is arranged at the upper part of the extension plate, the extension plate is provided with the pneumatic gumming device, the pneumatic gumming device is provided with a hose and a gumming head, the output end of the pneumatic gumming device is connected with the input end of the gumming head through the hose, the gumming head is arranged on the back-and-forth movement device, the left-and-right movement device is arranged on the bottom plate, the lifting device is fixedly arranged on the left-and-right movement device, the support plate is fixedly arranged at the upper end of the lifting device, the support shaft is rotatably arranged on the support plate, the driving device is used for driving the rotation of the support shaft, the support frame is fixedly arranged at the upper end of the support shaft, the fixing plate is fixedly arranged at the upper end of the supporting frame, and the clamping device is arranged on the fixing plate; firstly, a glass plate is clamped and fixed by a clamping device at the upper end of a fixed plate, then a lifting device is opened, the lifting device enables a supporting shaft to drive a supporting frame to lift through the supporting shaft, the supporting frame enables the glass plate to lift through the fixed plate, the distance between the glass plate and a gluing head is enabled to be in a distance suitable for gluing, then a pneumatic gluing device is opened, the gluing head is enabled to glue the right part of the glass plate, then a front-back moving device is opened, the front-back moving device drives the gluing head to move back and forth, the gluing head evenly coats glue on the right edge of the glass plate in the process of moving back and forth, then a left-right moving device is opened, the lifting device enables the supporting shaft to drive the supporting frame to move left through the supporting plate, the supporting frame enables the glass plate to move left through the fixed plate, then a driving device is opened, the driving device drives the supporting frame to rotate through the supporting shaft, and the supporting frame drives the glass plate to rotate through the fixed plate, rotating the part of the other end of the glass plate needing gluing to the right side of the supporting shaft, then moving the glass plate to the gluing head to descend, and then opening the pneumatic gluing device and the front-back moving device again to glue the other end of the glass plate by the gluing head; when the glass plate is circular, the glass plate is clamped and fixed through a clamping device, then the edge of the glass plate is positioned at the lower end of a gluing head through a left-right moving device, then a driving device and a pneumatic gluing device are opened, the gluing head is glued to the edge of the glass plate through the pneumatic gluing device, the driving device drives a supporting shaft and a supporting frame to rotate, the supporting frame drives a fixing plate to rotate, the fixing plate drives the glass plate to rotate, and the gluing head is used for uniformly gluing the edge of the glass plate while the glass plate rotates; it can scribble the glue to the glass board automatically, has avoided artifical rubber coating, has reduced intensity of labour, has improved work efficiency, and the practicality is high.

Preferably, the back-and-forth moving device comprises two groups of fixed blocks, a first screw rod, a first motor and a sliding block, the two groups of fixed blocks are respectively and fixedly arranged at the front part and the rear part of the support plate, the first screw rod is rotatably arranged on the two groups of fixed blocks, the front end of the first screw rod is connected with the output end of the first motor, the first motor is fixedly arranged on the fixed blocks, the sliding block is arranged on the support plate in a front-and-rear sliding manner, the sliding block is in threaded connection with the first screw rod, and the gluing head is fixedly arranged at the lower end of the sliding block; the first motor is started, the first motor drives the first screw rod to rotate, the rotating first screw rod enables the gluing head to move back and forth through the sliding block, glue is evenly coated on the edge of the right part of the glass plate in the process of moving back and forth of the gluing head, the back and forth movement of the gluing head is facilitated, and the glue can be evenly coated on the edge of the glass plate through the gluing head.

Preferably, the left-right moving device comprises a moving block, a second lead screw and a second motor, the moving block is installed on the bottom plate in a left-right sliding mode, the second lead screw is installed on the bottom plate in a rotating mode, the moving block is installed on the second lead screw in a threaded mode, the left end of the second lead screw is connected with the output end of the second motor, the second motor is fixedly installed on the bottom plate, and the lifting device is fixedly installed at the upper end of the moving block; the second motor is started, the second motor drives the second lead screw to rotate, the rotating second lead screw drives the lifting device to move leftwards through the moving block, the lifting device enables the supporting shaft to drive the supporting frame and the fixing plate to move leftwards through the supporting plate, the fixing plate drives the glass plate to move leftwards, the glass plate is prevented from colliding with the supporting plate when rotating, and safety in the using process is improved.

Preferably, the driving device comprises a third motor, a driving shaft, a driving gear and a driven gear, the third motor is fixedly arranged at the upper end of the supporting plate, the output end of the third motor is connected with the lower end of the driving shaft, the driving gear is fixedly arranged at the upper end of the driving shaft, the driving gear is meshed with the driven gear, and the driven gear is fixedly arranged on the supporting shaft; open the third motor, the third motor passes through the drive shaft and drives drive gear rotatory, and drive gear drives the back shaft rotation through driven gear, and the back shaft drives the fixed plate rotation through the carriage, and the fixed plate drives the glass board rotatory, and it can to make the position that needs the rubber coating on the glass board rotatory to the right side of back shaft, has made things convenient for the removal to the glass board, has improved the convenience.

Preferably, the clamping device comprises four groups of telescopic rods, two groups of clamping plates, two groups of third screw rods and a double-shaft motor, the two groups of telescopic rods are fixedly mounted at the left end and the right end of the fixed plate respectively, the two groups of clamping plates are fixedly mounted on the four groups of telescopic rods respectively, one group of clamping plates are fixedly mounted on the two groups of telescopic rods, the two groups of clamping plates are respectively in threaded mounting with the two groups of third screw rods, the thread turning directions of the two groups of third screw rods are opposite, the two groups of third screw rods are rotatably mounted on the supporting frame, the input ends of the two groups of third screw rods are connected with the output end of the double-shaft motor, and the double-shaft motor is fixedly mounted at the lower end of the fixed plate; after the glass plate is placed on the fixing plate, the double-shaft motor is started, the double-shaft motor drives the two groups of third screw rods to synchronously rotate, the two groups of third screw rods drive the two groups of clamping plates to mutually approach until the two groups of clamping plates clamp and fix the glass plate on the upper part of the fixing plate; because the distance between two sets of splint can be adjusted, so its glass board that can the different width of centre gripping, the limitation is low, convenient to use, and the practicality is high.

Preferably, the device further comprises two groups of limiting blocks, wherein the two groups of limiting blocks are fixedly arranged on the two groups of third screw rods respectively; through the arrangement, the two groups of clamping plates are prevented from overtravel motion on the two groups of third screw rods, and the reliability in the use process is improved.

Preferably, the device also comprises a plurality of groups of rubber pads which are all fixedly arranged at the upper end of the fixed plate; through the arrangement, the glass plate is placed on the plurality of groups of rubber pads at the upper end of the fixing plate, the lower end of the glass plate is prevented from being gouged at the upper end of the fixing plate, and the safety in the use process is improved.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, a glass plate is clamped and fixed by a clamping device at the upper end of a fixed plate, then a lifting device is opened, the lifting device enables a supporting shaft to drive a supporting frame to lift through the supporting shaft, the supporting frame enables the glass plate to lift through the fixed plate, the distance between the glass plate and a gluing head is enabled to be in a distance suitable for gluing, then a pneumatic gluing device is opened, the gluing head is enabled to glue the right part of the glass plate, then a front-back moving device is opened, the front-back moving device drives the gluing head to move back and forth, the gluing head evenly coats glue on the right edge of the glass plate in the process of moving back and forth, then a left-right moving device is opened, the lifting device enables the supporting shaft to drive the supporting frame to move left through the supporting plate, the supporting frame enables the glass plate to move left through the fixed plate, then a driving device is opened, the driving device drives the supporting frame to rotate through the supporting shaft, and the supporting frame drives the glass plate to rotate through the fixed plate, rotating the part of the other end of the glass plate needing gluing to the right side of the supporting shaft, then moving the glass plate to the gluing head to descend, and then opening the pneumatic gluing device and the front-back moving device again to glue the other end of the glass plate by the gluing head; when the glass plate is circular, the glass plate is clamped and fixed through a clamping device, then the edge of the glass plate is positioned at the lower end of a gluing head through a left-right moving device, then a driving device and a pneumatic gluing device are opened, the gluing head is glued to the edge of the glass plate through the pneumatic gluing device, the driving device drives a supporting shaft and a supporting frame to rotate, the supporting frame drives a fixing plate to rotate, the fixing plate drives the glass plate to rotate, and the gluing head is used for uniformly gluing the edge of the glass plate while the glass plate rotates; the automatic gluing device can automatically glue the glass plate, avoids manual gluing, reduces labor intensity, improves working efficiency and is high in practicability.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of a support plate, a support shaft, a support frame, and the like;

FIG. 3 is a schematic structural diagram of a support plate, a first motor, a first screw rod and the like;

FIG. 4 is a schematic view of the structure of a glass plate;

in the drawings, the reference numbers: 1. a base plate; 2. a support plate; 3. gluing heads; 4. a lifting device; 5. a support plate; 6. a support shaft; 7. a support frame; 8. a fixing plate; 9. a fixed block; 10. a first lead screw; 11. a first motor; 12. a slider; 13. a moving block; 14. a second lead screw; 15. a second motor; 16. a third motor; 17. a drive shaft; 18. a drive gear; 19. a driven gear; 20. a telescopic rod; 21. a splint; 22. a third screw rod; 23. a double-shaft motor; 24. a limiting block; 25. a rubber pad; 26. a glass plate.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

A support plate 2 is fixedly arranged at the upper end of a bottom plate 1, a pneumatic gluing device is arranged on the support plate 2, a hose and a gluing head 3 are arranged on the pneumatic gluing device, the output end of the pneumatic gluing device is connected with the input end of the gluing head 3 through the hose, a support plate 5 is fixedly arranged at the upper end of a lifting device 4, a support shaft 6 is rotatably arranged on the support plate 5, a support frame 7 is fixedly arranged at the upper end of the support shaft 6, a fixed plate 8 is fixedly arranged at the upper end of the support frame 7, two groups of fixed blocks 9 are respectively and fixedly arranged at the front part and the rear part of the support plate 2, a first screw rod 10 is rotatably arranged on the two groups of fixed blocks 9, the front end of the first screw rod 10 is connected with the output end of a first motor 11, the first motor 11 is fixedly arranged on the fixed blocks 9, a slide block 12 is slidably arranged on the support plate 2 in the front and rear direction, the slide block 12 is screwed with the first screw rod 10, and the gluing head 3 is fixedly arranged at the lower end of the slide block 12, a moving block 13 is arranged on a bottom plate 1 in a left-right sliding mode, a second lead screw 14 is rotatably arranged on the bottom plate 1, the moving block 13 is in threaded connection with the second lead screw 14, the left end of the second lead screw 14 is connected with the output end of a second motor 15, the second motor 15 is fixedly arranged on the bottom plate 1, a lifting device 4 is fixedly arranged at the upper end of the moving block 13, a third motor 16 is fixedly arranged at the upper end of a supporting plate 5, the output end of the third motor 16 is connected with the lower end of a driving shaft 17, a driving gear 18 is fixedly arranged at the upper end of the driving shaft 17, the driving gear 18 is meshed with a driven gear 19, the driven gear 19 is fixedly arranged on the supporting shaft 6, two groups of telescopic rods 20 are fixedly arranged at the left end and the right end of a fixing plate 8, two groups of clamping plates 21 are respectively fixedly arranged on the four groups of telescopic rods 20, one group of clamping plates 21 are fixedly arranged on the two groups of telescopic rods 20, and the two groups of clamping plates 21 are respectively in threaded connection with two groups of third lead screws 22, the screw thread turning directions of the two groups of third screw rods 22 are opposite, the two groups of third screw rods 22 are rotatably arranged on the supporting frame 7, the input ends of the two groups of third screw rods 22 are connected with the output end of the double-shaft motor 23, the double-shaft motor 23 is fixedly arranged at the lower end of the fixed plate 8, the two groups of limiting blocks 24 are respectively and fixedly arranged on the two groups of third screw rods 22, and the multiple groups of rubber pads 25 are fixedly arranged at the upper end of the fixed plate 8; firstly, a glass plate 26 is placed on a plurality of groups of rubber pads 25 at the upper end of a fixed plate 8, then a double-shaft motor 23 is started, the double-shaft motor 23 drives two groups of third screw rods 22 to synchronously rotate, the two groups of third screw rods 22 drive two groups of clamping plates 21 to approach each other until the two groups of clamping plates 21 clamp and fix the glass plate 26 on the upper part of the fixed plate 8, then a lifting device 4 is started, the lifting device 4 enables a supporting shaft 6 to drive a supporting frame 7 to lift through a supporting shaft 6, the supporting frame 7 enables the glass plate 26 to lift through the fixed plate 8, the distance between the glass plate 26 and a gluing head 3 is in a distance suitable for gluing, then a pneumatic gluing device is started, a gluing head 3 is used for gluing the right part of the glass plate 26, then a first motor 11 is started, the first motor 11 drives a first screw rod 10 to rotate, the rotating first screw rod 10 enables the gluing head 3 to move back and forth through a slide block 12, the gluing head 3 evenly coats the edge part of the right part of the glass plate 26 in the process of the front and back movement, then, a second motor 15 is turned on, the second motor 15 drives a second lead screw 14 to rotate, the rotating second lead screw 14 drives a lifting device 4 to move leftwards through a moving block 13, the lifting device 4 drives a supporting shaft 6 to drive a supporting frame 7 and a fixing plate 8 to move leftwards through a supporting plate 5, the fixing plate 8 drives a glass plate 26 to move leftwards, then a third motor 16 is turned on, the third motor 16 drives a driving gear 18 to rotate through a driving shaft 17, the driving gear 18 drives the supporting shaft 6 to rotate through a driven gear 19, the supporting shaft 6 drives the fixing plate 8 to rotate through the supporting frame 7, the fixing plate 8 drives the glass plate 26 to rotate, a part needing gluing on the glass plate 26 is rotated to the right side of the supporting shaft 6, then the moving block 13 drives the supporting frame 7 to move rightwards through the lifting device 4, the supporting plate 5 and the supporting shaft 6 through a left-right moving device, the supporting frame 7 drives the glass plate 26 to move rightwards through the fixing plate 8, until the right part of the glass plate 26 is positioned below the gluing head 3, and then the right edge of the glass plate 26 is glued by the forward and backward movement of the gluing head 3; because the distance between two sets of splint 21 can be adjusted, so its glass board 26 that can the different width of centre gripping, the limitation is low, high durability and convenient use, lift through elevating gear 4 can be through backup pad 5, the height of back shaft 6 and carriage 7 regulation fixed plate 8, the height of glass board 26 can be adjusted to fixed plate 8, make the distance between glass board 26 and the rubber coating head 3 be in suitable rubber coated distance, made things convenient for the regulation to glass board 26 height, high durability and convenient use, and it can be automatic to gluing on glass board 26, artifical rubber coating has been avoided, labor intensity is reduced, the work efficiency is improved, and the practicability is high.

As shown in fig. 1 to 4, in operation, a pneumatic glue spreader of the present invention first places a glass plate 26 on a plurality of rubber pads 25 at the upper end of a fixing plate 8, then opens a dual-shaft motor 23, the dual-shaft motor 23 drives two sets of third lead screws 22 to rotate synchronously, the two sets of third lead screws 22 drive two sets of clamping plates 21 to approach each other, until the two sets of clamping plates 21 clamp and fix the glass plate 26 on the upper portion of the fixing plate 8, then opens a lifting device 4, the lifting device 4 drives a supporting frame 7 to lift through a supporting shaft 6, the supporting frame 7 drives the glass plate 26 to lift through the fixing plate 8, after the distance between the glass plate 26 and a glue spreading head 3 is in a distance suitable for glue spreading, then opens the pneumatic glue spreader to glue the right portion of the glass plate 26 by a glue spreading head 3, then opens a first motor 11, the first motor 11 drives a first lead screw 10 to rotate, the first lead screw 10 rotates to move the glue spreading head 3 back and forth through a slider 12, the gluing head 3 evenly coats glue on the edge part of the right part of the glass plate 26 in the process of moving back and forth, then the second motor 15 is opened, the second motor 15 drives the second lead screw 14 to rotate, the rotating second lead screw 14 drives the lifting device 4 to move left through the moving block 13, the lifting device 4 drives the supporting frame 7 and the fixing plate 8 to move left through the supporting plate 5, the fixing plate 8 drives the glass plate 26 to move left, then the third motor 16 is opened, the third motor 16 drives the driving gear 18 to rotate through the driving shaft 17, the driving gear 18 drives the supporting shaft 6 to rotate through the driven gear 19, the supporting shaft 6 drives the fixing plate 8 to rotate through the supporting frame 7, the fixing plate 8 drives the glass plate 26 to rotate, the part of the glass plate 26 needing gluing is rotated to the right side of the supporting shaft 6, and then the moving block 13 drives the lifting device 4 to move left and right through the moving device, The supporting frame 7 is moved rightwards by the supporting plate 5 and the supporting shaft 6, the glass plate 26 is moved rightwards by the supporting frame 7 through the fixing plate 8 until the right part of the glass plate 26 is positioned below the gluing head 3, and then the right edge of the glass plate 26 is glued by the front-back movement of the gluing head 3.

The installation mode, the connection mode or the setting mode of the pneumatic glue spreader of the utility model are common mechanical modes, and the pneumatic glue spreader can be implemented as long as the beneficial effects can be achieved; the utility model discloses a pneumatic rubber coating machine's pneumatic rubber coating device, rubber coating head 3, elevating gear 4, telescopic link 20, biax motor 23 and glass board 26 for purchase on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A pneumatic glue spreader is characterized by comprising a base plate (1), a support plate (2), a glue spreading head (3), a lifting device (4), a support plate (5), a support shaft (6), a support frame (7), a fixed plate (8), a front-back moving device, a left-right moving device, a driving device and a clamping device, wherein the support plate (2) is fixedly arranged at the upper end of the base plate (1), the front-back moving device is arranged at the upper part of the support plate (2), the support plate (2) is provided with the pneumatic glue spreading device, the pneumatic glue spreading device is provided with a hose and the glue spreading head (3), the output end of the pneumatic glue spreading device is connected with the input end of the glue spreading head (3) through the hose, the glue spreading head (3) is arranged on the front-back moving device, the left-right moving device is arranged on the base plate (1), the lifting device (4) is fixedly arranged on the left-right moving device, the support plate (5) is fixedly arranged at the upper end of the lifting device (4), back shaft (6) rotate to be installed in backup pad (5), and drive arrangement installs in backup pad (5), and drive arrangement is used for driving the rotation of back shaft (6), and carriage (7) fixed mounting is in back shaft (6) upper end, and fixed plate (8) fixed mounting is in carriage (7) upper end, and clamping device installs on fixed plate (8).

2. A pneumatic glue spreader as claimed in claim 1, wherein the back-and-forth movement device comprises two groups of fixed blocks (9), a first screw (10), a first motor (11) and a slider (12), the two groups of fixed blocks (9) are respectively fixedly mounted at the front and rear parts of the support plate (2), the first screw (10) is rotatably mounted on the two groups of fixed blocks (9), the front end of the first screw (10) is connected with the output end of the first motor (11), the first motor (11) is fixedly mounted on the fixed blocks (9), the slider (12) is slidably mounted on the support plate (2) back and forth, the slider (12) is screwed with the first screw (10), and the gluing head (3) is fixedly mounted at the lower end of the slider (12).

3. The pneumatic glue spreader as claimed in claim 1, wherein the left-right moving device comprises a moving block (13), a second lead screw (14) and a second motor (15), the moving block (13) is installed on the bottom plate (1) in a left-right sliding manner, the second lead screw (14) is installed on the bottom plate (1) in a rotating manner, the moving block (13) and the second lead screw (14) are installed in a threaded manner, the left end of the second lead screw (14) is connected with the output end of the second motor (15), the second motor (15) is fixedly installed on the bottom plate (1), and the lifting device (4) is fixedly installed at the upper end of the moving block (13).

4. A pneumatic gumming machine as in claim 1, wherein said driving means comprises a third motor (16), a driving shaft (17), a driving gear (18) and a driven gear (19), the third motor (16) is fixedly mounted on the upper end of the supporting plate (5), the output end of the third motor (16) is connected with the lower end of the driving shaft (17), the driving gear (18) is fixedly mounted on the upper end of the driving shaft (17), the driving gear (18) is engaged with the driven gear (19), the driven gear (19) is fixedly mounted on the supporting shaft (6).

5. The pneumatic glue spreader as claimed in claim 1, wherein the clamping device comprises four sets of telescopic rods (20), two sets of clamping plates (21), two sets of third screw rods (22) and a double-shaft motor (23), the two sets of telescopic rods (20) are fixedly mounted at the left end and the right end of the fixing plate (8), the two sets of clamping plates (21) are respectively fixedly mounted on the four sets of telescopic rods (20), one set of clamping plates (21) are fixedly mounted on the two sets of telescopic rods (20), the two sets of clamping plates (21) are respectively screwed with the two sets of third screw rods (22), the screw thread directions of the two sets of third screw rods (22) are opposite, the two sets of third screw rods (22) are respectively rotatably mounted on the supporting frame (7), the input ends of the two sets of third screw rods (22) are respectively connected with the output ends of the double-shaft motor (23), and the double-shaft motor (23) is fixedly mounted at the lower end of the fixing plate (8).

6. The pneumatic glue spreader according to claim 5, further comprising two sets of stoppers (24), wherein the two sets of stoppers (24) are respectively and fixedly mounted on the two sets of third screws (22).

7. A pneumatic glue spreader as claimed in claim 1, further comprising a plurality of sets of rubber pads (25), the rubber pads (25) being fixedly mounted on the upper end of the fixed plate (8).