Colloid heating mechanism for screw gluing machine

Abstract

The utility model discloses a glue heating mechanism for a screw glue spreader, which comprises a glue spreader body, a mounting rack is fixedly connected to the glue spreader body, and a glue circulation pipeline is rotatably connected to the mounting rack in a penetrating manner. The upper end of the mounting frame is provided with a colloid leading-in assembly which penetrates through the upper end of the colloid circulation pipeline and extends into the colloid circulation pipeline, and the bottom of the colloid leading-in assembly is fixedly connected with a stirring assembly which is located in the colloid circulation pipeline and abuts against the inner side wall of the colloid circulation pipeline; a driving assembly for driving the colloid circulation pipeline to rotate is arranged at the upper end of the mounting frame, and a gluing head is mounted at the lower end of the colloid circulation pipeline. The glue coating device is reasonable in structural design, glue in the glue circulation pipeline and the glue coating head can be uniformly heated, the phenomena of unsmooth circulation, cutoff and even solidification are avoided, and the glue coating head can be conveniently taken down to be cleaned or replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of screw glue coating machines, in particular to a colloid heating mechanism for screw glue coating machines. Background Art

[0002] Thread glue coating machine, also known as fastener glue coating machine. It is specially used for gluing and coating various screw grooves, with uniform glue output, fast speed and good repeatability. It is widely used in gluing fasteners such as screws, bolts, joints, studs, etc. The benefits of application are obvious. Anaerobic work for product gluing can inhibit corrosion of products during use, inhibit vibration loosening, and improve the reliability of screws and pneumatic components.

[0003] For example, the application number is: CN202120879394.8, and the application name is: An application document for a colloid heating mechanism for a screw gluing machine, including a gluing machine body, a mounting frame is fixed on the gluing machine body, a heating plate is vertically installed in the middle of the mounting frame, a colloid flow pipe is embedded in the heating plate, and a distribution box is connected to one side through a line... However, in the application document, the heating plate does not completely wrap the colloid flow pipe, so that the colloid flowing through the pipe cannot be heated evenly and fully, which can easily cause poor circulation, interruption of flow, and even solidification of part of the glue. For this reason, we designed a colloid heating mechanism for a screw gluing machine to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art, and a colloid heating mechanism is proposed for a screw gluing machine, which can not only make the glue in the colloid circulation pipeline and the gluing head evenly heated to avoid poor circulation, interruption of flow, and even solidification, but also facilitate the removal of the gluing head for cleaning or replacement.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A colloid heating mechanism for a screw gluing machine comprises a gluing machine body, a mounting frame fixedly connected to the gluing machine body, a colloid circulation pipe rotatably connected to the mounting frame, a colloid introduction component penetrating the upper end of the colloid circulation pipe and extending into the interior thereof is installed on the upper end of the mounting frame, a stirring component located inside the colloid circulation pipe and abutting against the inner wall thereof is fixedly connected to the bottom of the colloid introduction component, a driving component for driving the colloid circulation pipe to rotate is provided at the upper end of the mounting frame, a gluing head is installed at the lower end of the colloid circulation pipe, a first heating plate fixedly connected to the bottom of the mounting frame and covering the outside of the colloid circulation pipe, a distribution box is installed on the outer wall of the mounting frame, the first heating plate is connected to the distribution box through a line, and two groups of heating components in contact with the side walls of the gluing head are symmetrically provided on the first heating plate.

[0007] Preferably, the colloid introduction component includes an L-shaped support plate fixedly connected to the upper end of the mounting frame, the end of the L-shaped support plate is fixedly connected to an upper rubber tube that seals and rotates through the upper end side wall of the colloid circulation pipeline and extends to the interior thereof, and the upper rubber tube is externally connected to the colloid introduction tube.

[0008] Preferably, the stirring assembly includes a connecting rod fixedly connected to the upper rubber tube at the bottom of a section inside the colloid circulation pipeline, the side wall of the connecting rod is fixedly connected to multiple stirring rods, and the side walls of the multiple stirring rods on the same vertical line are commonly fixedly connected to a scraper that abuts against the inner wall of the colloid circulation pipeline.

[0009] Preferably, the driving assembly includes a motor fixedly connected to the upper end of the mounting frame, the end of the output shaft of the motor is fixedly connected to a first gear, the side wall of the colloid circulation pipeline is sleeved with a second gear coaxially rotating therewith, the second gear is meshed with the first gear and the diameter of the second gear is greater than the diameter of the first gear.

[0010] Preferably, the heating assembly includes a second heating plate rotatably connected to the inner wall of the first heating plate and in contact with the glue coating head, the second heating plate is connected to the distribution box through a line, a T-shaped plate is penetrated through the first heating plate, a threaded section is provided on the T-shaped plate, and the threaded section is threadedly engaged with the first heating plate.

[0011] Preferably, an internal threaded hole is penetrated through the bottom of the colloid circulation pipeline, an external thread is provided on the outer side wall of the glue coating head, and the glue coating head extends into the colloid circulation pipeline and is thread-sealed and connected thereto.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The colloid in the colloid circulation pipeline and the glue coating head can be heated by the first heating plate and the second heating plate, and the colloid circulation pipeline and the glue coating head can be rotated by the driving component to fully contact the first heating plate and the second heating plate. The connecting rod and the stirring rod can stir the glue in the colloid circulation pipeline, and multiple scrapers can prevent the glue from adhering to the inner wall of the colloid circulation pipeline, so that the glue is evenly heated to avoid poor circulation, interruption of flow, and even solidification.

[0014] 2. By rotating the T-plate, the threaded section is moved out from the first heating plate, and the second heating plate is rotated so that it no longer abuts against the glue coating head. The glue coating head can be unscrewed from the colloid flow pipe for cleaning or replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional structural schematic diagram of a colloid heating mechanism for a screw glue coating machine proposed by the utility model;

[0016] Figure 2 for Figure 1 A magnified view of the structure at center;

[0017] Figure 3 It is a schematic diagram of the connection between the colloid circulation pipeline, the connecting rod, the stirring rod and the scraper;

[0018] Figure 4 The utility model is a schematic diagram of the external structure of a colloid heating mechanism for a screw glue coating machine.

[0019] In the figure: 1. Glue coating machine body; 2. Threaded section; 3. Mounting frame; 4. Colloid circulation pipeline; 5. L-shaped support plate; 6. Glue hose; 7. Colloid introduction pipe; 8. Connecting rod; 9. Stirring rod; 10. Scraper; 11. Second gear; 12. Motor; 13. First gear; 14. First heating plate; 15. Distribution box; 16. Glue coating head; 17. Second heating plate; 18. T-shaped plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 4 , a colloid heating mechanism for a screw glue coating machine, comprising a glue coating machine body 1, a mounting frame 3 is fixedly connected to the glue coating machine body 1, a colloid circulation pipeline 4 is rotatably connected to the mounting frame 3, the outer wall and the inner part of the colloid circulation pipeline 4 are both circular, and a colloid introduction component that penetrates the upper end of the colloid circulation pipeline 4 and extends to the inside thereof is installed on the upper end of the mounting frame 3, and the colloid introduction component comprises an L-shaped support plate 5 fixedly connected to the upper end of the mounting frame 3, and an upper glue pipe 6 that is sealed and rotatably penetrates the upper end side wall of the colloid circulation pipeline 4 and extends to the inside thereof is fixedly connected to the end of the L-shaped support plate 5, and an external colloid introduction pipe 7 is connected to the upper glue pipe 6, wherein the upper glue pipe 6 is a hard pipe, and the L-shaped support plate 5 can support the upper glue pipe 6, and the upper glue pipe 6 seals and rotates through the middle position of the colloid circulation pipeline 4, so that the colloid circulation pipeline 4 can rotate relative to the upper glue pipe 6;

[0022] The bottom of the colloid introduction component is fixedly connected with a stirring component located inside the colloid circulation pipeline 4 and against its inner wall. The stirring component includes a connecting rod 8 fixedly connected to the bottom of a section of the upper glue tube 6 located in the colloid circulation pipeline 4. The upper glue tube 6 is L-shaped, and its bottom is tilted downward so that its discharge end is misaligned with the connecting rod 8. The side wall of the connecting rod 8 is fixedly connected with a plurality of stirring rods 9. The side walls of the plurality of stirring rods 9 on the same vertical line are fixedly connected with a scraper 10 against the inner wall of the colloid circulation pipeline 4. When the colloid circulation pipeline 4 rotates, the connecting rod 8 and the stirring rod 9 can stir the glue in the colloid circulation pipeline 4 so that it can be fully heated, and the plurality of scrapers 10 can prevent the glue from adhering to the inner wall of the colloid circulation pipeline 4, so that the glue is heated evenly.

[0023] The upper end of the mounting frame 3 is provided with a driving assembly for driving the colloid circulation pipeline 4 to rotate, and the driving assembly includes a motor 12 fixedly connected to the upper end of the mounting frame 3, and the end of the output shaft of the motor 12 is fixedly connected to a first gear 13, and the side wall of the colloid circulation pipeline 4 is sleeved with a second gear 11 coaxially rotating therewith, and the second gear 11 is meshed with the first gear 13 and the diameter of the second gear 11 is larger than the diameter of the first gear 13. When the motor 12 drives the first gear 13 to rotate, under the meshing action of the first gear 13 and the second gear 11, the second gear 11 can drive the colloid circulation pipeline 4 to rotate, and the rotation speed of the colloid circulation pipeline 4 is lower than the rotation speed of the first gear 13;

[0024] A glue coating head 16 is installed at the lower end of the colloid circulation pipeline 4. The horizontal cross-section of the glue coating head 16 is circular, and the end is set in a conical shape. The bottom of the colloid circulation pipeline 4 is penetrated by an internal thread hole, and the outer wall of the glue coating head 16 is provided with an external thread. The glue coating head 16 extends into the colloid circulation pipeline 4 and is thread-sealed with the colloid circulation pipeline 4. The glue coating head 16 is threadedly connected to the colloid circulation pipeline 4, which is convenient for unscrewing the glue coating head 16 for cleaning or replacement;

[0025] The bottom of the mounting frame 3 is fixedly connected with a first heating plate 14 which is covered on the outside of the colloid circulation pipeline 4. The first heating plate 14 is arc-shaped and fits with the outer wall of the colloid circulation pipeline 4. A distribution box 15 is installed on the outer wall of the mounting frame 3. The first heating plate 14 is connected to the distribution box 15 through a line. Two groups of heating components that fit with the side walls of the glue coating head 16 are symmetrically arranged on the first heating plate 14. The heating component includes a second heating plate 17 which is rotatably connected to the inner wall of the first heating plate 14 and fits with the glue coating head 16. The upper end of the second heating plate 17 is rotatably connected to the inner wall of the first heating plate 14 through a rotating shaft, so that the second heating plate 17 can The first heating plate 14 and the second heating plate 17 are both equipped with electric heating wires, and power is supplied through the distribution box 15. The second heating plate 17 is connected to the distribution box 15 through a line. A T-shaped plate 18 is passed through the first heating plate 14, and a threaded section 2 is provided on the T-shaped plate 18. The threaded section 2 is threadedly engaged with the first heating plate 14. A threaded hole is passed through the first heating plate 14, and the threaded section 2 passes through the threaded hole and is threadedly connected thereto. When the threaded section 2 is opposite to the threaded hole, a locking force can be generated, so that the T-shaped plate 18 pushes the second heating plate 17 to fit with the glue coating head 16, and the glue in the glue coating head 16 is heated.

[0026] The functional principle of the utility model can be explained through the following operation modes:

[0027] In the utility model, when the glue coating machine body 1 needs to introduce glue, the distribution box 15 is opened to energize and heat the first heating plate 14 and the second heating plate 17, and the glue is introduced into the glue circulation pipeline 4 through the glue introduction pipe 7 and the upper glue pipe 6. The first heating plate 14 and the second heating plate 17 can heat the glue in the glue circulation pipeline 4 and the glue coating head 16 to ensure the normal flow of the internal glue;

[0028] Start the motor 12. Under the meshing action of the first gear 13 and the second gear 11, the colloid circulation pipe 4 and the glue coating head 16 can rotate, fully contact the first heating plate 14 and the second heating plate 17, and fully heat the colloid. During the rotation of the colloid circulation pipe 4, the connecting rod 8 and the stirring rod 9 can stir the glue in the colloid circulation pipe 4, and the multiple scrapers 10 can prevent the glue from adhering to the inner wall of the colloid circulation pipe 4, so that the glue is heated evenly, which is convenient for the glue to flow out through the glue coating head 16 to coat the screws with glue;

[0029] When the glue coating head 16 needs to be cleaned or replaced, the T-plate 18 is rotated to remove the threaded section 2 from the first heating plate 14, and the second heating plate 17 is rotated so that it no longer abuts against the glue coating head 16. The glue coating head 16 can be unscrewed from the colloid circulation pipe 4 to be cleaned or replaced. The above work can be repeated in reverse to install the glue coating head 16 on the colloid circulation pipe 4 and make the second heating plate 17 fit the glue coating head 16.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A colloid heating mechanism for a screw glue coating machine, comprising a glue coating machine body (1), characterized in that: The coating machine body (1) is fixedly connected with a mounting frame (3), a colloid circulation pipeline (4) is rotatably connected to the mounting frame (3), a colloid introduction component is installed at the upper end of the mounting frame (3) and extends into the interior of the colloid circulation pipeline (4), a stirring component is fixedly connected to the bottom of the colloid introduction component and is located inside the colloid circulation pipeline (4) and abuts against the inner wall thereof, a driving component is provided at the upper end of the mounting frame (3) for driving the colloid circulation pipeline (4) to rotate, a coating head (16) is installed at the lower end of the colloid circulation pipeline (4), a first heating plate (14) is fixedly connected to the bottom of the mounting frame (3) and is covered on the outside of the colloid circulation pipeline (4), a distribution box (15) is installed on the outer wall of the mounting frame (3), the first heating plate (14) is connected to the distribution box (15) through a line, and two groups of heating components are symmetrically provided on the first heating plate (14) and are in contact with the side wall of the coating head (16).

2. The colloid heating mechanism for a screw glue coating machine according to claim 1, characterized in that: The colloid introduction component comprises an L-shaped support plate (5) fixedly connected to the upper end of the mounting frame (3); the end of the L-shaped support plate (5) is fixedly connected to an upper rubber tube (6) which is sealed and rotatable and penetrates the upper end side wall of the colloid circulation pipeline (4) and extends to the interior thereof; the upper rubber tube (6) is externally connected to a colloid introduction tube (7).

3. The colloid heating mechanism for a screw glue coating machine according to claim 2, characterized in that: The stirring assembly comprises a connecting rod (8) fixedly connected to an upper glue tube (6) at the bottom of a section inside a colloid circulation pipeline (4); a plurality of stirring rods (9) are fixedly connected to the side wall of the connecting rod (8); and a scraper (10) abutting against the inner side wall of the colloid circulation pipeline (4) is fixedly connected to the side walls of the plurality of stirring rods (9) on the same vertical line.

4. The colloid heating mechanism for a screw glue coating machine according to claim 1, characterized in that: The driving assembly comprises a motor (12) fixedly connected to the upper end of the mounting frame (3); the end of the output shaft of the motor (12) is fixedly connected to a first gear (13); the side wall of the colloid circulation pipeline (4) is sleeved with a second gear (11) coaxially rotating therewith; the second gear (11) is meshed with the first gear (13) and the diameter of the second gear (11) is greater than the diameter of the first gear (13).

5. The colloid heating mechanism for a screw glue coating machine according to claim 1, characterized in that: The heating assembly comprises a second heating plate (17) rotatably connected to the inner wall of the first heating plate (14) and in contact with the glue coating head (16); the second heating plate (17) is connected to the distribution box (15) via a line; a T-shaped plate (18) is provided through the first heating plate (14); a threaded section (2) is provided on the T-shaped plate (18); the threaded section (2) is threadedly engaged with the first heating plate (14).

6. The colloid heating mechanism for a screw glue coating machine according to claim 1, characterized in that: An internal threaded hole is provided through the bottom of the colloid circulation pipeline (4), and an external thread is provided on the outer wall of the glue coating head (16). The glue coating head (16) extends into the colloid circulation pipeline (4) and is thread-sealed with the colloid circulation pipeline (4).

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