CN209935138U

CN209935138U - Sealing structure for hot melt adhesive machine

Info

Publication number: CN209935138U
Application number: CN201920285726.2U
Authority: CN
Inventors: 许礼建
Original assignee: Hangzhou Yihheh Tech Dev Co Ltd
Current assignee: Hangzhou Yihheh Tech Dev Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-01-14
Anticipated expiration: 2029-03-05

Abstract

The utility model relates to a seal structure for hot melt adhesive machine relates to hot melt adhesive machine technical field, because current machine of gluing often has sealed not tight real problem, leads to atmospheric pressure to reveal, can't high-efficiently extrude glue. The sealing device comprises a tank body, an end cover and a pressing assembly, wherein a sealing ring is clamped between the end cover and a port of the tank body, the pressing assembly comprises a plurality of first abutting blocks, first abutting rings fixedly sleeved on the periphery of the tank body and connecting sleeves sleeved on the periphery of the tank body, the port at the lower end of each connecting sleeve is curled inwards to form a second abutting ring, and the second abutting rings abut against the lower sides of the first abutting rings; a plurality of second abutting blocks are fixed on the inner peripheral wall of the upper port of the connecting sleeve, each second abutting block corresponds to one first abutting block and abuts against the upper side of the first abutting block; the upper side of the first abutting block is provided with a guide inclined plane section. The high leakproofness of jar body and end cover can be realized to above-mentioned setting, finally realizes the high efficiency of glue and extrudes.

Description

Sealing structure for hot melt adhesive machine

Technical Field

The utility model belongs to the technical field of the hot melt adhesive machine technique and specifically relates to a seal structure for hot melt adhesive machine is related to.

Background

The hot melt adhesive machine can be used for conveying a high-viscosity polymer solution into a spray gun, an operator can realize the gluing operation by controlling the spray gun, and the hot melt adhesive machine is widely applied to production lines of chemical fibers, granulation, plastic films, sheets, plates, profiles, pipes, wires and cables, wire drawing, composite extrusion and the like, and achieves better effect.

The hot melt glue machines which are at present the most basic generally comprise: the uncovered jar body that sets up, can dismantle the lid locate jar end cover of body port, be used for compressing tightly the end cover at jar body port compress tightly the subassembly that compresses tightly, jar body bottom is equipped with extrudes the hole, and it has the atmospheric pressure filling hole to open on the end cover. In actual operation, enough liquid glue is added into the tank body, and then high-pressure gas is injected through the air pressure injection hole to extrude the glue out of the tank body.

However, the existing glue machine often has the problem of untight sealing, so that air pressure leakage is caused, and glue can not be extruded efficiently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a seal structure for hot melt adhesive machine can realize the high leakproofness of the jar body and end cover, finally realizes that the high efficiency of glue is extruded.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a sealing structure for a hot melt adhesive machine comprises a tank body, an end cover and a pressing assembly, wherein the tank body is arranged in an opening manner, the end cover can be covered on a port of the tank body in a separable manner, the pressing assembly is used for pressing the end cover on the port of the tank body, a sealing ring is clamped between the end cover and the port of the tank body, the pressing assembly comprises a plurality of first abutting blocks, a first abutting ring and a connecting sleeve, the first abutting blocks are fixedly sleeved on the periphery of the tank body, the first abutting ring is fixedly sleeved on the periphery of the tank body, the connecting sleeve is sleeved on the periphery of the tank body, the first abutting blocks and the first abutting ring are both positioned in the connecting sleeve, a port at the lower end of; a plurality of second abutting blocks are fixed on the inner peripheral wall of the port on the connecting sleeve, the plurality of second abutting blocks are distributed around the central axis of the tank body at equal intervals, and each second abutting block corresponds to one first abutting block and abuts against the upper side of the first abutting block; the upper side of the first abutting block is provided with a guide inclined plane section.

By adopting the technical scheme, the end cover is covered on the port of the tank body firstly, then the connecting sleeve is lifted upwards, the second abutting block penetrates out of a gap between two adjacent first abutting blocks upwards and abuts against the upper side of the first abutting block, the end cover is rotated in the circumferential direction continuously, the second abutting block slides to the highest point from the lowest point of the guide inclined plane section, in the process, the end cover is gradually compressed with the port of the tank body, and finally when the second abutting block completely slides to the tail end of the guide inclined plane section, the end cover and the port of the tank body are completely sealed.

The sealing mechanism can realize high sealing performance of the tank body and the end cover, reduce gas leakage amount and finally realize high-efficiency extrusion of glue.

The utility model discloses further set up to: the sealing ring is fixedly adhered to the lower side of the end cover; a circle of lower latch is fixed on the inner wall of the port of the tank body, a circle of upper latch is fixed on the lower side of the end cover, and the upper latch is meshed with the lower latch.

By adopting the technical scheme, the engagement of the upper clamping teeth and the lower clamping teeth can prevent the end cover from rotating circumferentially relative to the tank body when the end cover seals the port of the tank body, so that the probability that the sealing ring falls off from the end cover due to rotation is reduced, and the service lives of the sealing ring and the end cover are prolonged.

The utility model discloses further set up to: the lower latch is lower than the port of the tank body.

By adopting the technical scheme, part of the glue adhered to the port of the tank body can possibly flow back into the tank body, so that the glue utilization rate is improved.

The utility model discloses further set up to: the upper side surface of the first abutting block comprises a first horizontal section and a second horizontal section, the guide inclined plane section is clamped between the first horizontal section and the second horizontal section around the circumferential direction of the tank body, and the first horizontal section is lower than the second horizontal section.

By adopting the technical scheme, in the process that the second abutting block slides to the second horizontal section from the first horizontal section, the first abutting ring and the second abutting ring are extruded, the end cover tightly covers the port of the tank body, and finally, when the second abutting block stays in the second horizontal section, the end cover and the tank body are not close to each other continuously; and at this moment, the second butt piece is difficult to reset back to first horizontal segment through the direction inclined plane section, promptly, the end cover at this moment can stably cover the port of closing at the jar body.

The utility model discloses further set up to: a limiting block is fixed on one side of the first abutting block and located on one side, far away from the guide inclined plane section, of the second horizontal section.

Through adopting above-mentioned technical scheme, the stopper is used for preventing that the second butt piece from outwards sliding off the second horizontal segment to guarantee the connection compactness of end cover and jar body port.

The utility model discloses further set up to: the periphery of the connecting sleeve is fixed with a first handle, and the peripheral wall of the tank body is fixed with a second handle.

Through adopting above-mentioned technical scheme, the operator can control first handle and second handle to more convenient, laborsaving realization connecting sleeve and the relative circumferential direction of end cover.

The utility model discloses further set up to: a first convex strip is fixed on the periphery of the first handle, and a second convex strip is fixed on the periphery of the second handle.

Through adopting above-mentioned technical scheme, first sand grip and second sand grip can reduce the probability that operator's hand and first handle, second handle skidded.

The utility model discloses further set up to: the periphery of the tank body is provided with a transparent pipe, and the upper end and the lower end of the transparent pipe are communicated with the inside of the tank body.

Through adopting above-mentioned technical scheme, the operator accessible is observed the liquid level height in the hyaline tube, knows the internal glue quantity of jar to can make things convenient for the timely interpolation of follow-up glue.

To sum up, the utility model discloses a beneficial technological effect does:

1. according to the scheme, high sealing performance of the tank body and the end cover can be realized, gas leakage is reduced, and efficient extrusion of glue is finally realized;

2. in this scheme, go up the meshing of latch and latch down can prevent the relative jar of body circumferential direction of end cover when the end cover seals jar body port to reduce the probability that leads to the sealing washer to drop from the end cover because of rotating, prolonged the life of sealing washer and end cover.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic sectional view of the present embodiment.

Fig. 3 is an exploded view of the present embodiment.

Fig. 4 is an enlarged schematic view at a in fig. 3.

In the figure, 1, a tank body; 11. an extrusion orifice; 12. injecting hole with air pressure; 13. a pneumatic injection tube; 2. an end cap; 3. a compression assembly; 31. a first abutment block; 32. a first abutment ring; 33. connecting sleeves; 34. a second abutment ring; 35. a second abutment block; 36. a first horizontal segment; 37. a second horizontal segment; 38. a guide slope section; 39. a limiting block; 4. a seal ring; 5. a first handle; 51. a first rib; 6. a second handle; 61. a second convex strip; 7. a lower latch; 8. upper latch teeth; 9. a transparent tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a seal structure for hot melt adhesive machine, include: the device comprises a tank body 1 which is arranged in an upward opening manner, an end cover 2 which can be separately covered on a port of the tank body 1, and a pressing component 3 which is used for pressing the end cover 2 on the port of the tank body 1. The bottom of the tank body 1 is provided with an extrusion hole 11, the end cover 2 is provided with an air pressure injection hole 12, and the air pressure injection hole 12 is communicated with an air pressure injection pipe 13. When the tank body 1 is filled with liquid glue, gas can be introduced into the gas pressure injection hole 12 to improve the gas pressure in the tank body 1, and the glue is extruded to subsequent equipment through the extrusion hole 11.

Referring to fig. 2 and 3, a sealing ring 4 is clamped between the end cover 2 and the port of the tank body 1, and the sealing ring 4 is fixedly adhered to the lower side of the end cover 2. The hold-down assembly 3 includes: a plurality of first abutting blocks 31 fixed on the periphery of the end cover 2 at equal intervals around the central axis of the tank body 1, a first abutting ring 32 fixedly sleeved on the periphery of the tank body 1, and a connecting sleeve 33 sleeved on the periphery of the tank body 1. The first abutting block 31 and the first abutting ring 32 are both located in the connecting sleeve 33, a second abutting ring 34 is curled inwards at the lower port of the connecting sleeve 33, and the second abutting ring 34 abuts against the lower side of the first abutting ring 32. A plurality of second abutting blocks 35 are fixed on the inner peripheral wall of the upper port of the connecting sleeve 33, the second abutting blocks 35 are arranged at equal intervals around the central axis of the tank body 1, and each second abutting block 35 corresponds to one first abutting block 31 and abuts against the upper side of the first abutting block 31.

Referring to fig. 3 and 4, the upper side of the first abutting block 31 comprises a first horizontal section 36, a second horizontal section 37, and a guiding inclined section 38, wherein the guiding inclined section 38 is clamped between the first horizontal section 36 and the second horizontal section 37 around the circumference of the tank 1, and the first horizontal section 36 is lower than the second horizontal section 37. In the process that the second abutting block 35 slides from the first horizontal section 36 to the second horizontal section 37, the first abutting ring 32 and the second abutting ring 34 are extruded, the end cover 2 is tightly covered on the port of the tank body 1, and finally, when the second abutting block 35 stays in the second horizontal section 37, the end cover 2 is not close to the tank body 1 any more; and at this moment, the second abutting block 35 is not easy to reset to the first horizontal section 36 through the guiding inclined section 38, that is, the end cover 2 at this moment can be stably covered on the port of the tank body 1. A limiting block 39 is fixed on one side of the first abutting block 31, the limiting block 39 is located on one side of the second horizontal section 37 far away from the guiding inclined plane section 38, and the limiting block 39 is used for preventing the second abutting block 35 from sliding outwards away from the second horizontal section 37 so as to ensure the connection tightness of the end cover 2 and the port of the tank body 1.

Referring to fig. 2 and 3, a first handle 5 is fixed on the periphery of the connecting sleeve 33, and a first convex strip 51 is fixed on the periphery of the first handle 5; the peripheral wall of the tank body 1 is fixedly provided with a second handle 6, and the periphery of the second handle 6 is fixedly provided with a second convex strip 61. An operator can control the first handle 5 and the second handle 6, so that the relative circumferential rotation of the connecting sleeve 33 and the end cover 2 can be realized more conveniently and more easily. The first protrusion 51 and the second protrusion 61 can reduce the probability of slipping between the hand of the operator and the first handle 5 and the second handle 6.

A circle of lower latch 7 is fixed on the inner wall of the port of the tank body 1, a circle of upper latch 8 is fixed on the lower side of the end cover 2, the upper latch 8 is meshed with the lower latch 7, and the lower latch 7 is lower than the port of the tank body 1. The meshing of the upper latch 8 and the lower latch 7 can prevent the end cover 2 from rotating circumferentially relative to the tank body 1 when the end cover 2 seals the port of the tank body 1, so that the probability that the sealing ring 4 falls off from the end cover 2 due to rotation is reduced, and the service lives of the sealing ring 4 and the end cover 2 are prolonged.

The periphery of the tank body 1 is provided with a transparent tube 9, the upper end and the lower end of the transparent tube 9 are communicated with the interior of the tank body 1, an operator can observe the liquid level in the transparent tube 9 to know the glue amount in the tank body 1, and therefore follow-up glue can be added conveniently in time.

The implementation principle of the embodiment is as follows: firstly, the end cover 2 is covered on the port of the tank body 1, then the second abutting block 35 penetrates upwards from a gap between two adjacent first abutting blocks 31 and abuts against the upper side of the first abutting block 31, the end cover 2 is continuously rotated in the circumferential direction, the second abutting block 35 gradually slides to the second horizontal section 37 from the first horizontal section 36, in the process, the end cover 2 is gradually pressed with the port of the tank body 1, and finally when the second abutting block 35 completely slides to the second horizontal section 37, the end cover 2 and the port of the tank body 1 are completely sealed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a seal structure for hot melt adhesive machine, including the jar body (1) of uncovered setting, separable lid in end cover (2) of jar body (1) port, be used for compressing tightly end cover (2) compressing tightly subassembly (3) at jar body (1) port, its characterized in that: the sealing ring (4) is clamped between the end cover (2) and the port of the tank body (1), the pressing assembly (3) comprises a plurality of first abutting blocks (31) which are fixed on the periphery of the end cover (2) at equal intervals around the central axis of the tank body (1), first abutting rings (32) which are fixedly sleeved on the periphery of the tank body (1), and a connecting sleeve (33) which is sleeved on the periphery of the tank body (1), the first abutting blocks (31) and the first abutting rings (32) are both positioned in the connecting sleeve (33), a second abutting ring (34) is arranged at the lower port of the connecting sleeve (33) in a inward curled mode, and the second abutting ring (34) abuts against the lower side of the first abutting ring (32); a plurality of second abutting blocks (35) are fixed on the inner peripheral wall of the upper port of the connecting sleeve (33), the plurality of second abutting blocks (35) are distributed around the central axis of the tank body (1) at equal intervals, and each second abutting block (35) corresponds to one first abutting block (31) and abuts against the upper side of the first abutting block (31); the upper side of the first abutting block (31) is provided with a guide inclined surface section (38).

2. A sealing structure for a hot melt adhesive machine according to claim 1, characterized in that: the sealing ring (4) is fixedly adhered to the lower side of the end cover (2); a circle of lower latch (7) is fixed on the inner wall of the port of the tank body (1), a circle of upper latch (8) is fixed on the lower side of the end cover (2), and the upper latch (8) is meshed with the lower latch (7).

3. A sealing structure for a hot melt adhesive machine according to claim 2, characterized in that: the lower latch (7) is lower than the port of the tank body (1).

4. A sealing structure for a hot melt adhesive machine according to claim 1, characterized in that: the upper side surface of the first abutting block (31) comprises a first horizontal section (36) and a second horizontal section (37), the guide inclined surface section (38) is clamped between the first horizontal section (36) and the second horizontal section (37) around the circumferential direction of the tank body (1), and the first horizontal section (36) is lower than the second horizontal section (37).

5. A sealing structure for a hot melt adhesive machine according to claim 4, characterized in that: a limiting block (39) is fixed on one side of the first abutting block (31), and the limiting block (39) is located on one side, far away from the guide inclined plane section (38), of the second horizontal section (37).

6. A sealing structure for a hot melt adhesive machine according to claim 1, characterized in that: the periphery of the connecting sleeve (33) is fixed with a first handle (5), and the peripheral wall of the tank body (1) is fixed with a second handle (6).

7. A sealing structure for a hot melt adhesive machine according to claim 6, characterized in that: first handle (5) periphery is fixed with first sand grip (51), and second handle (6) periphery is fixed with second sand grip (61).

8. A sealing structure for a hot melt adhesive machine according to claim 1, characterized in that: the periphery of the tank body (1) is provided with a transparent tube (9), and the upper end and the lower end of the transparent tube (9) are communicated into the tank body (1).