CN211726423U

CN211726423U - Moulding gun with self-sealing function

Info

Publication number: CN211726423U
Application number: CN202020142802.7U
Authority: CN
Inventors: 田强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-10-23
Anticipated expiration: 2030-01-21

Abstract

The utility model belongs to the technical field of the moulding gun, especially, relate to a moulding gun with self sealss function, its structure is: the film pushing piece is of a conical structure and can be tightly attached to the inner surface of the conical adhesive outlet; the film pushing piece is arranged in the rubber cylinder, the conical tip of the film pushing piece faces the rubber outlet, and the edge of the bottom surface of the film pushing piece is tightly attached to the inner surface of the rubber cylinder; the bottom surface of the rubber pushing sheet is connected with one end of the pushing cylinder, the other end of the pushing cylinder is connected with a screw hole disc, the screw hole disc is of a disc-shaped structure with a screw hole in the center, and the screw hole is communicated with the inner cavity of the pushing cylinder; one end of the screw rod is in threaded connection with the screw hole of the screw hole disc; the other end of the screw rod penetrates out of the rear cover of the rubber cylinder and then is connected with an output shaft of the servo motor, the servo motor is fixed on the rear cover of the rubber cylinder through a fixing rod, the handle is fixed on the outer wall of the rubber cylinder, and the motor switch is arranged on the handle. Can compress tightly with the packing element inner wall is automatic when pushing away to glue through the improvement to pressing the film and realize the self sealss, reduce the probability of leaking gluey.

Description

Moulding gun with self-sealing function

Technical Field

The utility model belongs to the technical field of the moulding gun, especially, relate to a moulding gun with self sealss function.

Background

This information disclosed in the background of the invention is only for the purpose of increasing an understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

The glue pressing gun is a bonding, sealing, caulking and gluing tool and is widely applied to industries of architectural decoration, electronic appliances, automobile and automobile parts, ships, containers and the like. The rubber pressing gun in the prior art is characterized in that a piston pushes a rubber sheet pushing (pneumatic) and a push rod pushes the rubber sheet pushing to punch out rubber. For example, patent application No. 201711495740.7 discloses a caulking gun with an improved pushing member, which makes the caulking more labor-saving and the contact between the pushing member and the pushing rod more firm by hinging a pulling member to a gun body bracket. However, the present inventors have found that problems with the present type of caulking gun are: when beating the gluey operation, the problem of leaking glue appears pushing away between film and the packing element easily, has not only caused the waste of colloid, and the glue solution that reveals moreover is amassed and is pushing away behind film and the packing element lid lead to easily pressing the gluey rifle to be damaged, influence the progress of construction operation.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the foretell prior art, the utility model aims at providing a moulding gun with self sealss function, the utility model discloses an improvement to the moulding piece can realize the self sealss with the automatic pressing of packing element inner wall when pushing away to glue, reduces the probability of leaking gluey, improves the life of moulding gun.

In order to achieve the above object, the technical solution of the present invention is specifically as follows:

a caulking gun with self-sealing function, comprising: the rubber tube, the rubber outlet, the rear cover of the rubber tube, the rubber inlet, the rubber sheet pushing piece, the pushing tube, the screw hole disc, the screw rod, the servo motor, the fixed rod, the handle and the motor switch; one end of the rubber cylinder is provided with a conical rubber outlet, and the other end of the rubber cylinder covers the rear cover of the rubber cylinder; the glue inlet is arranged on the side wall of the glue cylinder. The film pushing piece is of a conical structure and can be tightly attached to the inner surface of the conical adhesive outlet; the film pushing piece is arranged in the rubber cylinder, the conical tip of the film pushing piece faces the rubber outlet, and the edge of the bottom surface of the film pushing piece is tightly attached to the inner surface of the rubber cylinder; the bottom surface of the rubber pushing sheet is connected with one end of the pushing cylinder, the other end of the pushing cylinder is connected with a screw hole disc, the screw hole disc is of a disc-shaped structure with a screw hole in the center, and the screw hole is communicated with the inner cavity of the pushing cylinder; one end of the screw rod is in threaded connection with the screw hole of the screw hole disc; the other end of the screw rod penetrates out of the rear cover of the rubber cylinder and then is connected with an output shaft of the servo motor, the servo motor is fixed on the rear cover of the rubber cylinder through a fixing rod, and the rubber sheet pushing device, the pushing cylinder, the screw hole disc, the screw rod and the output shaft of the servo motor are coaxially arranged. The handle is fixed on the outer wall of the rubber cylinder, the motor switch is arranged on the handle and electrically connected with the servo motor, and a control device of the servo motor is arranged in the handle and connected with a power line.

Furthermore, the glue outlet is in threaded connection with the port of the glue cylinder, so that the glue outlet can be conveniently detached for cleaning. Besides, the glue outlet and the glue cylinder can be integrally formed.

Furthermore, threaded connection is adopted between the rubber sleeve rear cover and the port of the rubber sleeve, so that the rubber sleeve rear cover can be conveniently detached, and the rubber sleeve rear cover can be prevented from falling off due to motor vibration.

Further, the material of pushing away the film is rubber or Polyurethane (PU), it can with the utility model discloses a toper pushes away the cooperation of film and realizes self sealedly function better.

Further, the screw rod is a metal screw rod, and the threads on the surface of the screw rod can be meshed with the screw holes in the screw hole disk. The screw rod can pass in and out of the cavity of the push cylinder, and the problem that the screw rod is blocked due to the movement of the screw rod relative to the screw hole disc can be well avoided.

Further, the push cylinder is a stainless steel cylinder and comprises any one of a round cylinder and a square cylinder with a round section shape.

Furthermore, the screw hole disc is circular, and the side wall of the screw hole disc is smoothly contacted with the inner wall of the push cylinder.

Further, at least two groups of connecting rods can be adopted to replace the push cylinder, the two ends of each connecting rod are respectively fixed on the bottom surface of the film pushing plate and the bottom surface of the threaded hole plate, and the connecting rods are symmetrically arranged relative to the axes of the film pushing plate and the threaded hole plate, so that a space is formed between the connecting rods, and the movement of the screw rod is facilitated.

Compared with the prior art, the utility model discloses following beneficial effect has been obtained:

(1) when pushing away the glue, the toper of toper pushes away the rubber sheet receives the extrusion force, and the component of this extrusion force makes the bottom surface edge of pushing away the rubber sheet extrude the inner wall of packing element by oneself, makes to push away between rubber sheet and the packing element better, avoids pushing away the problem of leaking between rubber sheet and the packing element.

(2) The utility model discloses a toper pushes away the film and can more thoroughly go out the jiao kou with the glue solution from the toper, and in extruding, reduce the volume of remaining of glue solution of a jiao kou department, because the glue solution forms cubic ancient pavilion easily after placing a period and bonds on going out the jiao kou, influences easily and pushes away to glue and block up the jiao kou even next time.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is the embodiment of the utility model provides an in the embodiment have the schematic structure drawing of moulding gun of self sealss function.

Fig. 2 is a schematic structural view of a caulking gun with self-sealing function in another embodiment of the present invention.

The reference numerals in the drawings denote: 1-rubber cylinder, 2-rubber outlet, 3-rubber cylinder rear cover, 4-rubber inlet, 5-rubber sheet pushing, 6-rubber cylinder pushing, 7-screw hole disc, 8-screw rod, 9-servo motor, 10-fixed rod, 11-handle, 12-motor switch and 13-connecting rod.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As described in the background art, when some caulking guns perform the gluing operation, glue leakage is easy to occur between the glue pushing sheet and the glue cylinder, and the construction operation progress is affected. Therefore, the utility model provides a moulding gun with self sealss function. The invention will now be further described with reference to the drawings and the detailed description.

Referring to fig. 1 and 2, the utility model relates to a moulding gun with self sealss function is illustrated, include: the rubber tube comprises a rubber tube 1, a rubber outlet 2, a rubber tube rear cover 3, a rubber inlet 4, a rubber sheet pushing piece 5, a pushing tube 6, a screw disc 7, a screw rod 8, a servo motor 9, a fixed rod 10, a handle 11 and a motor switch 12.

One end of the rubber cylinder 1 is provided with a conical rubber outlet 2, and the other end of the rubber cylinder 1 covers the rubber cylinder rear cover 3; and threaded connection between lid 3 and the port of packing element 1 behind the packing element, lid 3 dismantles behind the packing element of both having been convenient for, also helps preventing that motor vibration leads to lid 3 behind the packing element to drop. The glue inlet 4 is arranged on the side wall of the glue cylinder 1.

The film pushing piece 5 is of a conical structure and can be tightly attached to the inner surface of the conical adhesive outlet 2; the film pushing piece 5 is arranged in the rubber cylinder 1, the conical tip of the film pushing piece faces the rubber outlet 2, and the edge of the bottom surface of the film pushing piece 5 is tightly attached to the inner surface of the rubber cylinder; the bottom surface of the rubber pushing sheet 5 is connected with one end of a pushing cylinder 6, and the other end of the pushing cylinder 6 is connected with a screw hole disk 7.

The push cylinder 6 is a stainless steel cylinder, the cross section of the push cylinder is a circular cylinder, and the push cylinder can drive the film pushing piece 5 to move and can provide a contraction or expansion space for the relative movement of the screw rod 8.

The screw hole disc 7 is of a disc-shaped structure with a screw hole formed in the center, the side wall of the screw hole disc 7 is in smooth contact with the inner wall of the push cylinder 6, the coaxial arrangement of the rubber sheet pushing piece 5, the push cylinder 6 and the screw hole disc 7 is maintained, the stress is more balanced when the rubber sheet pushing piece 5 pushes rubber, and the rubber leakage caused by gaps between the rubber sheet pushing piece and the rubber cylinder is avoided.

The screw hole on the screw hole disc 7 is communicated with the inner cavity of the push cylinder 6; one end of the screw rod 8 is in threaded connection with the screw hole of the screw hole disc 7; the other end of the screw rod 8 penetrates through the rear cover 3 of the rubber cylinder and then is connected with an output shaft of a servo motor 9, the servo motor 9 is fixed on the rear cover 3 of the rubber cylinder through a fixing rod 10, and the rubber sheet pushing piece 5, the pushing cylinder 6, the screw hole disc 7, the screw rod 8 and the output shaft of the servo motor 9 are coaxially arranged. When pushing away the glue, the conical surface that toper pushed away film 5 receives the extrusion force, and the component of this extrusion force makes the bottom surface edge of pushing away the film extrude the inner wall of packing element by oneself, makes to push away between film and the packing element better, avoids because of pushing away the problem of leaking between film and the packing element.

The handle 11 is fixed on the outer wall of the rubber tube 1, the motor switch 12 is arranged on the handle 11, the motor switch 12 is electrically connected with the servo motor 9, a control device of the servo motor 9 is arranged in the handle 11, and the control device is connected with a power line.

Further, in some implementations, the glue outlet 2 is in threaded connection with a port of the glue cartridge 1, so that the glue outlet 2 can be detached for cleaning. Specifically, go out gluey 2 lateral wall surfaces of mouth and be provided with the external screw thread, the port inner wall of packing element 1 is provided with the internal thread, through the meshing between interior, the external screw thread realizes going out gluey mouth 2 and packing element 1's dismantlement and is connected.

Besides, in some implementations, the glue outlet 2 and the glue cylinder 1 are integrally formed.

In other realizations, the material that pushes away film 5 is PU, and it has certain plastic deformation's ability, can push away the film cooperation with the toper and realize self sealedly function better, because the conical surface (inclined plane) that pushes away the film when pushing away the glue receives the extrusion force, the component force of this extrusion force makes the bottom surface edge of pushing away the film extrude the inner wall of packing element 1 by oneself, and at this moment, it can make it better with laminating between the packing element to add to push away the certain deformability of film, avoids pushing away the problem of leaking glue between film and the packing element better.

Further, in some implementations, the lead screw 8 is a metal screw, the threads of which surface can engage with the screw holes on the screw hole disk 7. The lead screw 8 is driven by servo motor and is rotatory, because the position of the relative packing element of lead screw 8 is unchangeable, the screw dish 7 moves along the axis direction of packing element 1 through pushing away a 6, and then realizes pushing away the motion of film 5, pushes away gluey operation when pushing away film 5 to the motion of glue outlet 2, when motor antiport, pushes away film 5 and is pulled back. In addition, the screw rod 8 can enter and exit from the cavity of the push cylinder 6, and the problem that the screw rod 8 is blocked due to the movement of the screw rod 8 relative to the screw hole disc 7 can be well avoided.

Further, referring to fig. 2, two sets of connecting rods 13 are used to replace the pushing cylinder 6 in the above embodiment, two ends of the connecting rods 13 are respectively fixed on the bottom surface of the film pushing piece 5 and the bottom surface of the screw disk 7, and the connecting rods 13 are symmetrically arranged relative to the axes of the film pushing piece 5 and the screw disk 7 so as to form a space between the connecting rods 13 and facilitate the movement of the screw rod.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a moulding gun with self sealss function which characterized in that includes: the rubber tube, the rubber outlet, the rear cover of the rubber tube, the rubber inlet, the rubber sheet pushing piece, the pushing tube, the screw hole disc, the screw rod, the servo motor, the fixed rod, the handle and the motor switch; one end of the rubber cylinder is provided with a conical rubber outlet, and the other end of the rubber cylinder covers the rear cover of the rubber cylinder; the glue inlet is arranged on the side wall of the glue cylinder; the film pushing piece is of a conical structure and can be tightly attached to the inner surface of the conical adhesive outlet; the film pushing piece is arranged in the rubber cylinder, the conical tip of the film pushing piece faces the rubber outlet, and the edge of the bottom surface of the film pushing piece is tightly attached to the inner surface of the rubber cylinder; the bottom surface of the rubber pushing sheet is connected with one end of the pushing cylinder, the other end of the pushing cylinder is connected with a screw hole disc, the screw hole disc is of a disc-shaped structure with a screw hole in the center, and the screw hole is communicated with the inner cavity of the pushing cylinder; one end of the screw rod is in threaded connection with the screw hole of the screw hole disc; the other end of the screw rod penetrates through the rear cover of the rubber cylinder and then is connected with an output shaft of a servo motor, the servo motor is fixed on the rear cover of the rubber cylinder through a fixed rod, and the rubber sheet pushing piece, the pushing cylinder, the screw hole disc, the screw rod and the output shaft of the servo motor are coaxially arranged; the handle is fixed on the outer wall of the rubber cylinder, the motor switch is arranged on the handle and electrically connected with the servo motor, and a control device of the servo motor is arranged in the handle and connected with a power line.

2. The caulking gun with self-sealing function according to claim 1, wherein the glue outlet is in threaded connection with the port of the glue cylinder.

3. The caulking gun with self-sealing function according to claim 1, wherein the glue outlet is integrally formed with the glue barrel.

4. The caulking gun with self-sealing function according to claim 1, wherein a threaded connection is formed between the rear cover of the rubber barrel and the port of the rubber barrel.

5. The caulking gun with self-sealing function according to claim 1, wherein the material of the rubber pushing piece is rubber or polyurethane.

6. The caulking gun having a self-sealing function according to claim 1, wherein the screw rod is a metal screw rod, and the screw thread on the surface thereof is capable of engaging with the screw hole on the screw hole disk.

7. The caulking gun with the self-sealing function according to claim 1, wherein the push cylinder is a stainless steel cylinder including any one of a circular cylinder and a square cylinder having a circular cross-sectional shape.

8. The caulking gun with self-sealing function according to claim 1, wherein the screw hole disk is circular, and the side wall of the screw hole disk is in smooth contact with the inner wall of the push cylinder.

9. The caulking gun with self-sealing function according to claim 1, wherein the push cylinder is replaced by at least two sets of connecting rods, both ends of the connecting rods are respectively fixed on the bottom surface of the film pushing piece and the bottom surface of the screw hole disc, and the connecting rods are symmetrically arranged relative to the axis of the film pushing piece and the screw hole disc, and a space capable of accommodating the screw rod to move along the axis is formed between the connecting rods.