Integrated glue applying device for firework pot assembly

By using an integrated gluing device to complete the gluing of the surface seam and the sealing of the lead wire at the same station, the problems of gluing damage and equipment contamination caused by the separate processes in the existing technology are solved, and a highly efficient gluing process is achieved.

CN223669550UActive Publication Date: 2025-12-16黄承亮
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Patent Information

Application Number
CN202423010908.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-12-16
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

In existing fireworks assembly machines, the application of adhesive to the surface seams and the sealing of the fuses require two separate processes, which leads to problems such as damage to the adhesive and contamination of the equipment.

Method used

Design an integrated gluing device, including a surface seam gluing mechanism and a lead wire sealing mechanism. By pressing the cylinder with a pressure plate or pressure roller, and combining the gluing head in the accommodating cavity moving radially along the cylinder, the surface seam gluing and lead wire sealing can be completed in the same station.

Benefits of technology

It effectively avoids damage to the adhesive and contamination of equipment, simplifies the process, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated sizing device for firework basin assembly, which is characterized in that a pressing plate or a pressing roller abutted against the upper surface of a barrel row is arranged below a glue collecting piece of a surface seam sizing mechanism, a containing cavity is arranged between the glue collecting piece and the pressing plate or the pressing roller, and the width of the containing cavity is not less than that of the barrel row; a glue sealing mechanism of the lead is arranged in the containing cavity, the glue sealing mechanism comprises a glue applying head provided with a glue valve, the glue applying head is communicated with a pressure glue feeding mechanism through a connecting piece, and glue released by the glue applying head falls on the barrel row; and the glue applying device is arranged on the working table surface adjacent to the forming station of the basin assembling machine. The firework cylinders are prevented from being disordered, a space for the glue sealing mechanism to apply glue in the radial direction of the firework cylinders in the cylinder row is provided, the surface seam glue applying mechanism and the lead glue sealing mechanism of the cylinder row can be integrated to complete glue applying of two kinds of glue on the same station, and the situations that applied glue is damaged and equipment is polluted can be effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of glue applying device of firework group pot machine. BACKGROUND

[0002] In firework group pot machine, each cylinder row on production line needs to complete face joint glue applying and lead sealing.

[0003] Face joint glue applying mechanism is as the Chinese utility model patent document 2017-02-22 disclosed in "glue applying mechanism for firework group pot machine" of authorized announcement No.CN205966375U, glue applying work head connected with glue supply system includes face glue applying head and joint glue applying head, all face glue applying heads are connected together to constitute face glue applying head group, all joint glue applying heads are connected together to constitute joint glue applying head group;Joint glue applying head group is connected with first push cylinder, face glue applying head group, joint glue applying head group and first push cylinder thereof are connected with second push cylinder;Glue basin under the glue applying work head is used as glue collecting part. Glue applying head moves forward and backward along the axial direction of firework cylinder in cylinder row. Joint glue is used for the adhesion between each firework cylinder in cylinder row, and face glue is used for the adhesion between each cylinder row when cylinder row is stacked and grouped.

[0004] Or as the Chinese utility model patent document 2017-08-11 disclosed in "a glue spraying system of firework group pot machine" of authorized announcement No.CN206399296U, several glue spraying pipes connected with glue supply system, glue spraying pipe is set corresponding to face glue and groove glue (joint glue) applying position, the glue spraying pipe is connected with straight line reciprocating drive mechanism and moves forward and backward along applying route from starting position, glue basin under the starting position of glue spraying pipe is used as glue collecting part, glue spraying pipe and glue basin are arranged with glue receiving plate distributed along the length direction of glue basin, glue receiving plate is inclinedly arranged, higher end faces forward and projects out of glue basin, lower end extends into glue basin. The forward and backward movement along applying route is also axial movement along firework cylinder in cylinder row.

[0005] And lead sealing is that a glue applying head moves left and right along the radial direction of firework cylinder in cylinder row, and a line of glue is applied at the position of firework cylinder device ignition lead to protect lead from fire stringing. It is different from face joint glue applying glue type, function and effect.

[0006] In the prior art, due to the longitudinal and transverse intersection of the gluing route, different types of glue, and the like, the face seam gluing and the lead sealing are set as two independent processes arranged in front of and behind each other on the production line, generally, the lead sealing is performed first, then the face seam gluing is performed, and then the cylinder row is stacked into the forming station. However, when the cylinder row advances on the working panel of the production line, the cylinder row needs to be pressed by a pressing roller or the like to avoid disorder of the fireworks cylinders due to no gluing or no curing of the glue. The face seam gluing station is polluted by glue, and the cylinder row rear end is pressed by the above-mentioned glue basin (trough) or a pressing roller arranged below the glue basin (trough). However, when the cylinder row with the lead sealing completed passes below the glue basin (trough) or the pressing roller, the lead sealing is damaged and the equipment is polluted, and the quick-drying glue cannot completely avoid damage of the lead sealing. If the face seam gluing is performed first and then the lead sealing is performed, the cylinder row needs to be pressed by a pressing roller at the lead sealing station, and the face seam gluing is damaged and the equipment is polluted, and the face seam gluing amount and the gluing surface are larger, and the situation is more serious. Content of the utility model

[0007] In order to solve the above-mentioned defects, the technical problem to be solved by the utility model is to provide a glue applying device of a fireworks cylinder stacking machine, which can complete face seam gluing and lead sealing of a cylinder row at one station, and effectively avoid damage of gluing and pollution of equipment. In order to solve the above-mentioned technical problem, the utility model adopts the technical scheme that the utility model is characterized by an integrated glue applying device for a fireworks cylinder stacking machine, which comprises a face seam gluing mechanism, characterized in that a pressing plate or a pressing roller abutting against the upper surface of the cylinder row is arranged below the glue collecting member of the face seam gluing mechanism, a containing cavity is arranged between the pressing plate or the pressing roller and the glue collecting member, the width of the containing cavity is not less than the width of the cylinder row, a lead sealing mechanism is arranged in the containing cavity, the lead sealing mechanism comprises a glue applying head provided with a glue valve, the glue applying head is connected to a glue feeding mechanism through a connecting member, and the glue released by the glue applying head falls on the cylinder row, and the integrated glue applying device is arranged on the working table surface adjacent to the forming station of the cylinder stacking machine.

[0008] The utility model has the beneficial effects that the pressing plate or the pressing roller abutting against the upper surface of the cylinder row is arranged to press the cylinder row to avoid disorder of the fireworks cylinders, the containing cavity provides a space for the lead sealing mechanism to apply glue along the radial direction of the fireworks cylinder, the two sets of mechanisms for face seam gluing and lead sealing of the cylinder row are integrated, the glue applying of the two types of glue is completed at the same station on the working table surface adjacent to the forming station of the cylinder stacking machine, the two sets of processes are no longer needed, the cylinder row directly enters the forming station after the glue applying is completed, the cylinder row no longer needs to pass through the pressing roller or the like arranged to press the cylinder row, and therefore, damage of gluing and pollution of equipment can be effectively avoided.

[0009] In one embodiment, the glue applying head is a moving glue applying head, and the driving mechanism drives the glue applying mechanism to reciprocate in the accommodating cavity along the width direction of the accommodating cavity. Preferably, the glue applying mechanism is mounted on the sliding seat of the first guide rail arranged along the width direction of the accommodating cavity, and the driving mechanism drives the glue applying mechanism to reciprocate in the accommodating cavity along the first guide rail. The operation is stable, and the lead wire sealing and gluing is accurate and reliable.

[0010] In one embodiment, the glue applying head is a moving glue applying head, and the driving mechanism drives the glue applying mechanism to reciprocate in the accommodating cavity along the width direction of the accommodating cavity. Preferably, the glue applying mechanism is mounted on the sliding seat of the first guide rail arranged along the width direction of the accommodating cavity, and the driving mechanism drives the glue applying mechanism to reciprocate in the accommodating cavity along the first guide rail. The operation is stable, and the lead wire sealing and gluing is accurate and reliable.

[0011] In one embodiment, the barrel entering side of the pressing plate is provided with a guide surface. This is beneficial for the barrel to enter below the pressing plate.

[0012] In one embodiment, the pressing plate abuts against the upper surface of the barrel through the pressing roller mounted below the pressing plate. This is beneficial for the barrel to enter below the pressing plate and reduce friction.

[0013] In one embodiment, the width of the pressing plate or the pressing roller is arranged correspondingly to the width of the glue collecting member, the two sides of the pressing plate or the pressing roller are connected to the two sides of the glue collecting member through the side plates, and the glue collecting member, the pressing plate or the pressing roller, and the two side plates form the accommodating cavity. The structure is stable.

[0014] In one embodiment, the glue valve comprises a glue box arranged in the accommodating cavity, the glue box is connected to the pressure glue feeding mechanism through the connecting member, the glue inlet cavity of the glue applying head is located in the glue box, the glue inlet of the glue inlet cavity is connected to the inner cavity of the glue box, the piston rod is embedded in the glue inlet cavity, and the extension and retraction movement of the piston rod enables the glue applying head to switch between the open and closed states. The operation is reliable. Preferably, in the case of fixed glue applying head, the piston rods of the glue applying heads are connected to the extension and retraction driving member synchronously through the coupling plate. Further, the coupling plate is provided with a long slot, the piston rods of the glue applying heads are bolted in the long slot, and the glue boxes of the glue applying heads are connected to the sliding blocks of the second guide rail. This is beneficial for adjusting the distribution interval of the glue applying heads according to the distribution interval of the firework barrels in the barrel.

[0015] Of course, it is not necessary for any product implementing the present application to achieve all the advantages mentioned above at the same time.

[0016] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in one or more embodiments or examples. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0017] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0018] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can include at least one of the features, explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0019] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0021] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only embodiment. BRIEF DESCRIPTION OF DRAWINGS

[0022] FIG. 1 of the embodiment:

[0023] Figure 1 The appearance structure diagram of the related part of the group basin machine.

[0024] Figure 2 The internal structure diagram of the related part of the group basin machine.

[0025] Figure 3 The partial enlarged structure diagram of Figure 2 .

[0026] Figure 4 The combined structure diagram of the glue collecting piece and the glue sealing mechanism.

[0027] Figure 5 The structure diagram of the glue sealing mechanism Figure 1 (including glue box shell).

[0028] Figure 6 The structure diagram of the glue sealing mechanism Figure 2 (excluding glue box shell).

[0029] Figure 7 The front end structure diagram of the glue valve Figure 1 (glue inlet is in closed state).

[0030] Figure 8 The front end structure diagram of the glue valve Figure 2 (glue inlet is in open state).

[0031] Figure 9 Figure 1 is a schematic diagram of the rear end structure of the glue valve.

[0032] Figure 2 is a schematic diagram of the front end structure of the glue valve.

[0033] Figure 10 Figure 3 is a schematic diagram of the first perspective structure of the glue sealing mechanism.

[0034] Figure 11 Figure 4 is a schematic diagram of the second perspective structure of the glue sealing mechanism.

[0035] Figure 12 Figure 5 is a schematic diagram of the front end structure of the glue valve. Figure 1 (in the closed state of the glue inlet).

[0036] Figure 13 Figure 6 is a schematic diagram of the front end structure of the glue valve. Figure 2 (in the open state of the glue inlet).

[0037] Figure 7 is a schematic diagram of the rear end structure of the glue valve.

[0038] Figure 14 Figure 8 is a schematic diagram of the first perspective structure of the glue sealing mechanism.

[0039] Figure 15 Figure 9 is a schematic diagram of the second perspective structure of the glue sealing mechanism. DETAILED DESCRIPTION

[0040] Embodiment 1: Referring to the accompanying drawings, a specific structure of the present application is reflected. It is an integrated glue applying device for firework group pots, which is arranged on the workbench 100 of the forming station 200 adjacent to the group pot machine. When the cylinder row 300 advances on the workbench 100, no glue is applied or the glue is not cured, so the cylinder row 300 needs to be pressed by a press roller 101 or similar component to avoid disorder of the fireworks cylinders. Figures 1-9

[0041] The device can complete face seam glue applying and lead sealing of the cylinder row 300 at one station.

[0042] Face seam glue applying refers to glue applying of the face and seam of the cylinder row 300. The seam of the cylinder row 300 is the seam between adjacent fireworks cylinders, and the face of the fireworks cylinders is the upper side.

[0043] Lead sealing refers to applying a line of glue covering all the leads 400 at the position of the leads 400 of the cylinder row 300 to protect the fire transfer leads from fire stringing.

[0044] ​The device comprises a face joint glue applying mechanism, which comprises a support 501 driven by a first air cylinder 500, a plurality of glue applying heads 502 arranged on the support 501, the glue applying heads 502 being connected to a first pressure glue feeding mechanism (such as a pressure tank or a glue feeding pump, a glue container using the height difference with the glue applying head to generate glue feeding pressure) through a conduit, and a glue collecting member 503 below the initial position of the glue applying heads 502 for receiving glue. The support 501 moves along the axial direction of the firework cylinder in the cylinder row 300 to complete face joint glue applying by the glue applying heads 502, and then returns to the initial position. These are well-known technologies for face joint glue applying and will not be described in detail.

[0045] A pressing plate 1 is arranged below the glue collecting member 503 of the face joint glue applying mechanism to abut against the upper surface of the cylinder row 300 to press the cylinder row 300 and prevent the disorder of the firework cylinders. A containing cavity 2 is arranged between the glue collecting member 503 and the pressing plate 1, and the width of the containing cavity 2 is not less than the width of the cylinder row 300. In the example, the width of the pressing plate 1 corresponds to the width of the glue collecting member 503, the two sides of the pressing plate 1 are connected to the two sides of the glue collecting member 503 through side plates 3, and the glue collecting member 503, the pressing plate 1 and the two side plates 3 form a containing cavity 2 with stable structure. In the example, an upwardly inclined guide surface 4 is arranged on the cylinder row entering side of the pressing plate 1 to facilitate the cylinder row 300 on the workbench surface 100 to enter below the pressing plate 1. In other embodiments, the pressing plate 1 can also abut against the upper surface of the cylinder row 300 through a pressing roller arranged below the pressing plate 1 to facilitate the cylinder row 300 to enter below the pressing plate 1 and reduce friction.

[0046] A glue sealing mechanism for the lead wire 400 is arranged in the containing cavity 2, and the glue sealing mechanism comprises a glue applying head 5 provided with a glue valve, the glue applying head 5 is connected to a second pressure glue feeding mechanism through a connecting member, and the glue applying head 5 is a movable glue applying head, and a driving mechanism drives the glue applying mechanism to reciprocate along the width direction of the containing cavity 2 in the containing cavity 2.

[0047] In the example, the glue valve comprises a glue box 6 arranged in the containing cavity 2, the glue inlet hole 14 of the glue box 6 is connected to the second pressure glue feeding mechanism through a conduit or other connecting member, the glue inlet cavity 7 of the glue applying head 5 is located in the glue box 2, the glue inlet hole 8 of the glue inlet cavity 7 is connected to the inner cavity of the glue box 6, a piston rod 9 is embedded in the glue inlet cavity 7, and the piston rod 9 is connected to a second air cylinder 10 to realize extension and retraction movement to switch the glue inlet hole 8 between the open and closed states. In the example, the piston rod 9 is extended to close the glue inlet hole 8, the piston rod 9 is retracted to open the glue inlet hole 8, and the needle plug part 801 of the piston rod closes / openes the communication hole between the glue inlet cavity 7 and the glue applying head 5 in the extension and retraction movement. The working reliability is high.

[0048] In the example, the glue valve and the glue applying head 5 constitute a glue applying mechanism which is installed on the sliding seat 12 of the guide rail 11 arranged along the width direction of the accommodating cavity 2, and the third cylinder 13 drives the glue applying mechanism to reciprocate along the guide rail 11 in the accommodating cavity 2, and the glue released by the glue applying head 5 falls on the position of the lead 400 of the cartridge row 300 device to form a glue covering all the leads 400. The operation is stable, and the lead sealing and gluing are accurate and reliable.

[0049] As can be seen from the above, the utility model not only can avoid the disorder of each firework cartridge, but also provides the same work station on the workbench 100 of the radial left and right movement of the glue sealing mechanism along the cartridge row firework cartridge The space is made so that the face seam glue and lead seal glue two sets of mechanisms of the barrel row 300 can be integrated into one body, so that the adjacent group of basin machine forming station 200 Figures 10-13 Completes the gluing of two kinds of glue, and no longer needs to be divided into two sets of processes, and directly enters the forming work station 200 after the gluing is completed, and no longer needs to pass through the compression roller or similar components for compressing the cartridge row, so that the gluing damage and the pollution of the equipment can be effectively avoided.

[0050] Embodiment 2: refer to the attached Figures 14-15 Another specific structure of the utility model. The difference from embodiment 1 is that the glue applying head 15 is eight fixed glue applying heads, the number of the glue applying head 15 is determined according to the number of the leads arranged on the processed cartridge row, and when the glue valve of the glue applying head 15 is opened, the glue released by each glue applying head 15 falls on the position of the lead of the cartridge row device to cover all the leads. The eight glue applying heads 15 are distributed in parallel along the width direction of the accommodating cavity 16 in the accommodating cavity 16. In the example, the piston rod 17 of each glue applying head 15 is connected with the telescopic cylinder 19 through the connecting plate 18, and each piston rod 17 moves synchronously to open or close the glue inlet 26. In the example, the connecting plate 18 is provided with a long slot 20, and the tail of each piston rod 17 is fixed in the long slot 20 through the bolt 21; the glue box 22 of each glue applying head 15 is connected with the sliding block 24 of the second guide rail 23. It is convenient to adjust the distribution interval of each glue applying head according to the distribution interval of the firework cartridge in the cartridge row.

[0051] Embodiment 3: refer to the attached ​ Another specific structure of the utility model. The difference from embodiment 1 is that the pressure plate 1 in embodiment 1 is replaced by a plurality of compression rollers 25 in this example. The rest is the same as embodiment 1, and will not be repeated here.

[0052] The above disclosed embodiments of the utility model are only used for helping to set forth the utility model. The embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and combines the drawings to specifically describe these embodiments, in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. However, the utility model can be implemented in many other ways different from those described herein, and the skilled in the art can make similar improvements without deviating from the connotation of the utility model, so the utility model is limited by the claims and the entire scope and equivalents thereof, and is not limited by the disclosed specific embodiments.

Claims

1. An integrated gluing device for fireworks group pot, comprising a face joint gluing mechanism, characterized in that, The glue collecting piece of the face gluing mechanism is provided below with a pressing plate or a pressing roller abutting on the upper surface of the cylinder row, and a containing cavity is arranged between the pressing plate or the pressing roller and the glue collecting piece, the width of the containing cavity is not less than the width of the cylinder row; a glue sealing mechanism for leading the wire is arranged in the containing cavity, the glue sealing mechanism comprises a glue applying head provided with a glue valve, the glue applying head is communicated with a glue feeding mechanism through a connecting piece, and the glue released by the glue applying head falls on the cylinder row; and the integrated glue applying device is arranged on a workbench surface adjacent to a forming station of the group pot machine.

2. The integrated gluing device for fireworks group pot according to claim 1, wherein, The glue applying head is a movable glue applying head, and the driving mechanism drives the glue applying mechanism to reciprocate in the containing cavity along the width direction of the containing cavity.

3. The integrated gluing device for fireworks group pot according to claim 2, wherein, The glue applying mechanism is mounted on a sliding seat of a guide rail arranged along the width direction of the containing cavity, and the driving mechanism drives the glue applying mechanism to reciprocate in the containing cavity along the guide rail.

4. The integrated gluing device for fireworks group pot according to claim 1, wherein, The glue applying head is a plurality of fixed glue applying heads, and the plurality of glue applying heads are distributed side by side in the containing cavity along the width direction of the containing cavity.

5. An integrated glue applying device for fireworks group pot according to any one of claims 1-4, characterized in that, The glue valve comprises a glue box arranged in the containing cavity, the glue box is communicated with a pressure glue feeding mechanism through a connecting piece, the glue feeding cavity of the glue applying head is located in the glue box, the glue feeding port of the glue feeding cavity is communicated with the inner cavity of the glue box, and a piston rod is embedded in the glue feeding cavity, and the piston rod is extended and retracted to switch the glue applying head between the open and closed states.

6. An integrated gluing device for fireworks assembly pots as claimed in claim 5, wherein, In the case of the fixed glue applying head, the piston rods of the glue applying heads are connected with the extension driving member through the coupling plate to move synchronously.

7. The integrated gluing device for fireworks group pot according to claim 6, wherein, The coupling plate is provided with a long slot, the piston rods of the glue applying heads are bolted in the long slot, and the glue boxes of the glue applying heads are connected with the sliding blocks of the second guide rail.

8. An integrated sizing device for fireworks assembly pots as claimed in any one of claims 1 to 4, 6, 7, wherein, The cylinder row entering side of the pressing plate is provided with a guide surface.

9. An integrated sizing device for fireworks assembly pots as claimed in any one of claims 1 to 4, 6, 7, wherein, The pressing plate abuts on the upper surface of the cylinder row through the pressing roller mounted below the pressing plate.

10. An integrated glue applying device for fireworks group pot according to any one of claims 1-4, 6, 7, characterized in that, The width of the pressing plate or the pressing roller corresponds to the width of the glue collecting piece, the two sides of the pressing plate or the pressing roller are connected with the two sides of the glue collecting piece through side plates, and the glue collecting piece, the pressing plate or the pressing roller, and the two side plates form the containing cavity.

Citation Information

Patent Citations

  • A glueing mechanism for fireworks group basin machine

    CN205966375U

  • Fireworks group basin machine drench gluey system

    CN206399296U