Quantitative glue supply device for hot melt glue machine

Abstract

The utility model discloses a quantitative glue supply device for a hot melt glue machine, which belongs to the technical field of hot melt glue machines and comprises a glue cylinder and a piston slidably arranged in the glue cylinder, the top of the back of the glue cylinder is communicated with a glue inlet pipe, and the front of the glue cylinder is fixedly provided with a first electric push rod through a first mounting seat. A connecting frame is fixed to the top end of the piston, the output end of the first electric push rod is fixed to the connecting frame, protruding plates are fixed to the two sides of the glue barrel correspondingly, auxiliary assemblies matched with the glue barrel for use are arranged on the protruding plates, and by arranging the auxiliary assemblies, the glue barrel can generate certain vibration in the glue filling process; according to the glue filling device, glue entering the glue cylinder can be continuously compacted through jolt, a hollow area is avoided, air in the glue cylinder can be exhausted in time in the glue filling process, then the precision of subsequent glue supply can be guaranteed, and the situation that the glue supply precision is affected due to uneven glue distribution is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hot melt glue machine technical field especially relates to a quantitative glue supply device for hot melt glue machine. BACKGROUND

[0002] Hot melt glue machine is a kind of solid hot melt glue melt into liquid, and through pressurizing device is delivered to coating device equipment, mainly for the gluing purpose of various industries, the main functions of hot melt glue machine include melt glue, pressure delivery, temperature heating control, pressurizing function, liquid delivery and extrusion coating etc.

[0003] The utility model discloses a kind of quantitative glue supply devices for hot melt glue machine with the publication number CN220444283U, including glue pipe and sealing cover, the sealing cover is connected by screw thread on the glue pipe, the glue pipe is provided with quantitative extrusion structure, the quantitative extrusion structure, including: extrusion air bag, inner extrusion part and pressing part, the extrusion air bag is installed on the glue pipe upper surface and is connected with the glue pipe.The utility model can be limited by adjusting the height of inner thread block, slide height in long hole after unscrewing inner thread block, tighten after adjusting, the outflow of extrusion air bag can be controlled by controlling the pressing depth, the extrusion amount is controlled by the outflow, gas enters into glue pipe, piston block is moved on guide rod by gas expansion, piston block extrudes glue and can be guaranteed The amount of each extrusion reaches the same standard, and can be adjusted, and the adjustment mode is simple and convenient, with good practical effect, in the process of realizing the technical scheme, it is found that at least the following problems exist in the prior art.

[0004] Traditional hot melt glue machine quantitative glue supply device does not have vibration exhaust structure, since air exists in glue pipe, when glue is filled into glue pipe, hollow area exists in the inside of glue pipe, so that the amount of glue cannot be accurately controlled when supplying glue, greatly reducing the overall glue supply precision of device. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model provides a quantitative glue supply device for hot melt glue machine, which solves the problem that the traditional hot melt glue machine quantitative glue supply device does not have vibration exhaust structure and cannot accurately control the amount of glue, greatly reducing the overall glue supply precision of the device.

[0006] The utility model discloses a kind of quantitative glue supply devices for hot melt glue machine, including glue cylinder, further include: piston slidingly arranged in glue cylinder, the top of the back of glue cylinder is communicated with glue inlet pipe, the bottom end of glue cylinder is communicated with glue outlet pipe, electromagnetic valve is all set on glue inlet pipe and glue outlet pipe, the front of glue cylinder is fixed with first electric push rod by first mounting seat, the top end of piston is fixed with connecting frame, the output end of first electric push rod is fixed on connecting frame, both sides of glue cylinder are fixed with convex plate, auxiliary assembly that is used with glue cylinder is set on the convex plate.

[0007] As the utility model preferably, the auxiliary assembly includes fixed shaft rotatably installed on the convex plate, one end of the fixed shaft is fixed with belt pulley connected by belt drive, the other end of the fixed shaft is fixed with fixed seat, auxiliary frame used with glue cylinder is inserted on each group of fixed seat, two groups of springs are symmetrically fixed on each group of fixed seat along front-back direction, one end of each group of spring is fixed on the top protruding end of auxiliary frame, the back of one group of convex plate is fixed with motor, the output shaft of motor and one group of fixed shaft are all fixed with bevel gears that can be mutually engaged, one side of connecting frame is fixed with second electric push rod by second mounting seat, sealing column is fixed on the output end of second electric push rod, the piston is provided with air outlet hole for sealing column insertion.

[0008] As the utility model preferably, both sides of the glue cylinder are fixed with rubber pad plate used with auxiliary frame.

[0009] As the utility model preferably, each group of fixed seat is T-shaped structure, and each group of auxiliary frame is I-shaped structure.

[0010] As the utility model preferably, spacing is reserved between the bottom end of auxiliary frame and convex plate.

[0011] As the utility model preferably, connecting frame is L-shaped structure as a whole.

[0012] As the utility model preferably, multiple groups of convex blocks are uniformly fixed on the top of glue cylinder inner cavity, and the bottom of each group of convex blocks is attached on the piston.

[0013] Compared with prior art, the utility model has the beneficial effects as follows:

[0014] This invention, by setting up an auxiliary component and using a second electric push rod as the driving source, can change the position of the sealing column to control the sealing state of the vent. This facilitates the timely expulsion of air from the glue cartridge during the glue dispensing process. The motor design, in conjunction with bevel gears and pulleys, can drive the fixed base and auxiliary frame to rotate continuously. The spring design provides the auxiliary frame with a certain amount of movable space, allowing it to reciprocate and tap the glue cartridge, thereby generating vibration and continuously compacting the glue inside. This prevents the formation of hollow areas and ensures the accuracy of subsequent glue dispensing, avoiding uneven glue distribution that could affect dispensing precision. Attached Figure Description

[0015] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0016] Fig. 2 This is a rear view of the structure of this utility model;

[0017] Fig. 3 This is a partial exploded view of the structure of this utility model.

[0018] In the picture:

[0019] 1. Glue cartridge; 2. Glue inlet tube; 3. Piston; 4. Connecting frame; 5. First electric push rod; 6. Second electric push rod; 7. Sealing column; 8. Protrusion; 9. Solenoid valve; 10. Protruding plate; 11. Fixed shaft; 12. Rubber pad; 13. Fixed base; 14. Auxiliary frame; 15. Spring; 16. Pulley; 17. Bevel gear; 18. Motor. Detailed Implementation

[0020] To further understand the utility model content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0021] The structure of this utility model will now be described in detail with reference to the accompanying drawings.

[0022] like Figs. 1-3As shown in the utility model embodiment provides a kind of quantitative glue supply device for hot melt glue machine, including glue cylinder 1, still include: piston 3 of sliding setting in glue cylinder 1, the top of the back of glue cylinder 1 is communicated with glue inlet pipe 2, the bottom end of glue cylinder 1 is communicated with glue outlet pipe, electromagnetic valve 9 is all set on glue inlet pipe 2 and glue outlet pipe, the front of glue cylinder 1 is fixed with first electric push rod 5 by first mounting seat, and controller is set on first mounting seat, the top of piston 3 is fixed with connecting frame 4, the output end of first electric push rod 5 is fixed on connecting frame 4, the both sides of glue cylinder 1 are fixed with convex plate 10, convex plate 10 is provided with auxiliary assembly used in cooperation with glue cylinder 1, by setting auxiliary assembly, glue cylinder 1 can be made to produce certain vibration in the process of filling glue, the glue in glue cylinder 1 can be constantly vibrated, avoid the emergence of hollow area, and in the process of filling glue, air in glue cylinder 1 can be discharged in time, in turn, the accuracy of subsequent glue supply can be guaranteed, avoid the influence of glue supply accuracy due to uneven distribution of glue.

[0023] As preferred in the utility model, the auxiliary assembly includes a fixed shaft 11 rotatably installed on the convex plate 10, one end of the fixed shaft 11 is fixed with a belt pulley 16 connected by a belt, the other end of the fixed shaft 11 is fixed with a fixed seat 13, each fixed seat 13 is inserted with an auxiliary frame 14 used in cooperation with the glue cylinder 1, two groups of springs 15 are symmetrically fixed on each fixed seat 13 along the front-rear direction, one end of each group of springs 15 is fixed on the top protruding end of the auxiliary frame 14, the back of one of the convex plates 10 is fixed with a motor 18, the output shaft of the motor 18 and one of the fixed shafts 11 are both fixed with bevel gears 17 that can mesh with each other, one side of the connecting frame 4 is fixed with a second electric push rod 6 through a second mounting seat, the output end of the second electric push rod 6 is fixed with a sealing column 7, the piston 3 is provided with an air outlet hole for inserting the sealing column 7, the design of the second electric push rod 6, in cooperation with the sealing column 7 and the air outlet hole, facilitates the discharge of air in the glue cylinder 1 during the glue filling process, and the design of the motor 18, the bevel gears 17, the belt pulley 16, the fixed seat 13, the auxiliary frame 14, and the springs 15 can reciprocally knock the glue cylinder 1 to make the glue in the glue cylinder 1 constantly vibrate and avoid the emergence of hollow areas.

[0024] As preferred in the utility model, the both sides of the glue cylinder 1 are fixed with rubber pads 12 used in cooperation with the auxiliary frame 14, to avoid loud noise when the auxiliary frame 14 directly contacts the glue cylinder 1, and to avoid frequent impact that can damage the auxiliary frame 14 or the glue cylinder 1.

[0025] As preferred in the utility model, each fixed seat 13 is in T-shaped structure to provide the auxiliary frame 14 with more contact area and improve the overall stability of the auxiliary frame 14 during movement, and each auxiliary frame 14 is in I-shaped structure to limit the auxiliary frame 14 and avoid it from being detached from the fixed seat 13.

[0026] As the utility model preferred, the bottom end of the auxiliary frame 14 and the convex plate 10 are reserved with a spacing, which can effectively avoid the auxiliary frame 14 from colliding with the convex plate 10 during rotation, and ensure the stability of the device during operation.

[0027] As the utility model preferred, the connecting frame 4 is in an L-shaped structure as a whole, so as to provide a certain installation space for the first electric push rod 5, and facilitate the butt joint with the first electric push rod 5.

[0028] As the utility model preferred, a plurality of groups of protrusions 8 are uniformly fixed on the top of the inner cavity of the glue cylinder 1, and the bottom of each group of protrusions 8 is attached to the piston 3. The design of the protrusions 8 can limit the piston 3, avoid the piston 3 from separating from the glue cylinder 1, and affect the normal operation of the device.

[0029] The working principle of the utility model is as follows:

[0030] Reference Figs. 1-3 , the user fills the glue into the glue cylinder 1 through the glue inlet pipe 2, at this time, the user starts the motor 18 and the second electric push rod 6 through the controller, at this time, the second electric push rod 6 can drive the sealing column 7 to move upwards until the sealing column 7 completely separates from the air hole and moves a certain distance, at this time, during the glue filling process, the air in the glue cylinder 1 can be discharged in time, and at the same time, the motor 18 can drive the two groups of fixed shafts 11 to rotate under the meshing assistance of the bevel gear 17 and the transmission assistance of the belt pulley 16, so as to drive the fixed seat 13 and the auxiliary frame 14 thereon to rotate continuously, and at the same time, under the elastic assistance of the spring 15, a certain movable space can be given to the auxiliary frame 14, at this time, the glue cylinder 1 can be reciprocatingly knocked by the continuously rotating auxiliary frame 14, so as to make the glue in the glue cylinder 1 continuously compact, avoid the emergence of hollow area, after the glue filling is completed, the user starts the first electric push rod 5 through the controller, so as to drive the connecting frame 4 to move downwards, and in turn drive the piston 3 to move downwards until the bottom of the piston 3 contacts the glue, at this time, the user controls the sealing column 7 to reset through the second electric push rod 6, so as to re-plug the air hole, and at the same time, the first electric push rod 5 drives the piston 3 to move downwards, at this time, the piston 3 can start the glue supply work by continuously moving, and the electric control mode can accurately supply glue.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A glue metering device for hot melt glue machine, comprising a glue cylinder (1), characterized in that: Also include: The piston (3) is slidably arranged in the glue cylinder (1), the top of the back of the glue cylinder (1) is communicated with the glue inlet pipe (2), the bottom end of the glue cylinder (1) is communicated with the glue outlet pipe, the electromagnetic valve (9) is arranged on the glue inlet pipe (2) and the glue outlet pipe, the front of the glue cylinder (1) is fixed with the first electric push rod (5) through the first mounting seat, the top end of the piston (3) is fixed with the connecting frame (4), the output end of the first electric push rod (5) is fixed on the connecting frame (4), the both sides of the glue cylinder (1) are fixed with the lug plate (10), the lug plate (10) is provided with the auxiliary assembly matched with the glue cylinder (1).

2. The glue metering device according to claim 1, wherein: The auxiliary assembly includes a fixed shaft (11) rotatably arranged on the lug plate (10), one end of the fixed shaft (11) is fixed with a belt pulley (16) connected by a belt, the other end of the fixed shaft (11) is fixed with a fixed seat (13), each group of the fixed seat (13) is inserted with an auxiliary frame (14) matched with the glue cylinder (1), two groups of springs (15) are symmetrically fixed on each group of the fixed seat (13) in the front and rear directions, one end of each group of the spring (15) is fixed on the top protruding end of the auxiliary frame (14), the back of one of the lug plate (10) is fixed with a motor (18), the output shaft of the motor (18) and one of the fixed shaft (11) are fixed with the bevel gears (17) capable of meshing with each other, one side of the connecting frame (4) is fixed with the second electric push rod (6) through the second mounting seat, the output end of the second electric push rod (6) is fixed with the sealing column (7), the piston (3) is provided with the air outlet hole for inserting the sealing column (7).

3. The glue metering device according to claim 2, wherein: the glue metering device is a glue pump. The both sides of the glue cylinder (1) are fixed with the rubber pad (12) matched with the auxiliary frame (14).

4. The glue metering device according to claim 2, wherein: Each group of the fixed seat (13) is T-shaped structure, each group of the auxiliary frame (14) is I-shaped structure.

5. The glue metering device according to claim 2, wherein: the glue metering device is a glue pump. The bottom end of the auxiliary frame (14) and the lug plate (10) are reserved with a spacing.

6. The glue metering device according to claim 1, wherein: The connecting frame (4) is L-shaped structure as a whole.

7. The glue metering device according to claim 1, wherein: the glue metering device is a hot melt glue metering device. The top of the inner cavity of the glue cylinder (1) is uniformly fixed with a plurality of protrusions (8), the bottom of each group of the protrusions (8) is attached to the piston (3).

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