CN213972236U

CN213972236U - Rubber presss from both sides cloth diaphragm forming device in advance

Info

Publication number: CN213972236U
Application number: CN202022537615.1U
Authority: CN
Inventors: 王振
Original assignee: Yancheng Shenfeng Rubber Plastic Products Co ltd
Current assignee: Yancheng Shenfeng Rubber Plastic Products Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-17
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a preforming device for a rubber cloth-sandwiched diaphragm, which comprises a lower forming die and an upper pressing die which are matched with each other, a mounting chute penetrates through and is obliquely arranged on the bottom surface of the lower forming die, an ejector pin for spreading cloth is arranged in the mounting chute in a sliding manner, the thimbles are distributed in a rectangular shape, the outer ends of the thimbles penetrate out of the bottom surface of the lower forming die and are jointly and movably provided with a driving disc, a positioning telescopic pipe is fixedly arranged between the upper surface of the driving disc and the bottom surface of the lower forming die, a return spring is sleeved outside the positioning telescopic pipe, and the reset spring is in sliding contact with the outer surface of the positioning extension tube, the utility model has reasonable structural design, can extend and support the cloth in the rubber cloth-sandwiched diaphragm, meanwhile, the formed rubber cloth clamping membrane can be ejected out, and the forming efficiency and the forming quality of the rubber cloth clamping membrane are greatly improved.

Description

Rubber presss from both sides cloth diaphragm forming device in advance

Technical Field

The utility model relates to a forming device technical field especially relates to a rubber presss from both sides cloth diaphragm forming device in advance.

Background

The rubber cloth-sandwiched diaphragm is also one of the rubber diaphragms, and the rubber and the cloth surface are pressed together usually during the die pressing production, so that the produced diaphragm has stronger tear resistance and the characteristic of prolonging the service life is achieved. The rubber cloth clamping membrane can be customized according to working conditions, for example: the rubber cloth clamping membrane for the electromagnetic valve, the pulse valve rubber cloth clamping membrane, the power plant dust removal cloth clamping rubber membrane and the coal mine rubber cloth clamping membrane are different in size and appearance, but the process for adopting the rubber cloth clamping membrane is not limited, and the rubber cloth clamping membrane can be produced by the process as long as the production environment has requirements.

However, in the production process of the rubber cloth-sandwiched membrane in the prior art, the cloth cover cannot be uniformly distributed in the rubber, so that the tear resistance of the rubber cloth-sandwiched membrane is greatly reduced, and certain defects exist.

To this end, we propose a device for preforming a rubber-cloth-sandwiched membrane.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rubber presss from both sides cloth diaphragm forming device in advance, aim at can extend the support to the cloth in the rubber presss from both sides the cloth diaphragm, can also carry out ejecting to the rubber after the shaping simultaneously, improves the shaping efficiency and the shaping quality of rubber clamp cloth diaphragm.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the rubber cloth clamping membrane preforming device comprises a lower forming die and an upper pressing die which are matched with each other, wherein an installation sliding groove is formed in the bottom surface of the lower forming die in a penetrating and inclined mode, ejector pins used for spreading cloth are arranged in the installation sliding groove in a sliding mode and are distributed in a rectangular mode, a driving disc is arranged at the outer end of each ejector pin in a penetrating mode on the bottom surface of the lower forming die in a penetrating mode and movably installed together, a positioning telescopic pipe is fixedly installed between the upper surface of the driving disc and the bottom surface of the lower forming die, a reset spring is sleeved outside the positioning telescopic pipe, and the reset spring is in sliding contact with the outer surface of the positioning telescopic pipe.

Preferably, in the device for preforming a rubber-cloth-sandwiched membrane, the thimble is attached to and in sliding contact with an inner wall of the mounting chute.

Based on above-mentioned technical characteristics, thimble and installation spout inner wall laminating and sliding contact can avoid the raw materials to take place to reveal effectively.

Preferably, in the rubber-cloth-sandwiched membrane preforming device, a limiting ring for limiting the downward displacement of the driving disc is arranged below the driving disc, and the limiting ring is fixedly mounted on the lower forming die through a bracket.

Based on above-mentioned technical characteristics, the setting of spacing ring has restricted the lower displacement volume of driving-disc for thimble top surface and lower forming die inner bottom surface parallel and level promote the shaping quality of rubber clamp cloth diaphragm.

Preferably, in the rubber-cloth-sandwiched membrane preforming device, the positioning telescopic tube includes an outer support tube and an inner connection tube, and the outer support tube is slidably connected to the inner connection tube.

Based on the technical characteristics, the telescopic positioning pipe realizes the telescopic function by utilizing the relative sliding between the outer support pipe and the inner connecting pipe, thereby realizing the positioning of the driving disc in the vertical direction.

Preferably, in the rubber-cloth-sandwiched membrane preforming device, a sprue is arranged at a central position of the upper surface of the upper die, and a chamfering process is performed on the top end of the sprue.

Based on the technical characteristics, the chamfering treatment is carried out on the injection port, so that the raw material of the rubber cloth-sandwiched membrane can be conveniently injected into the lower forming die.

Preferably, in the rubber-cloth-sandwiched membrane preforming device, positioning holes are formed in four corners of the upper pressing die in a penetrating manner, positioning columns are slidably arranged in the positioning holes, and the bottom ends of the positioning columns are fixedly mounted on the upper surface of the lower forming die.

Based on the technical characteristics, the positioning columns are arranged, so that the lower forming die and the upper pressing die are accurately matched, and the rubber cloth clamping diaphragm is quickly formed.

The utility model has the advantages that:

(1) the utility model has the advantages of simple and reasonable design, can drive thimble rebound through upwards promoting the driving-disc for the cloth cover in the rubber presss from both sides the cloth diaphragm can be supported the central point that the die cavity put, simultaneously because the thimble is the slope form and sets up, can stretch the cloth cover in the rubber presss from both sides the cloth diaphragm, guaranteed that the rubber presss from both sides cloth diaphragm cloth cover can level and smooth be located the die cavity middle part, improved the anti tear performance of rubber pressing from both sides the cloth diaphragm greatly.

(2) The utility model has the advantages of reasonable design, accomplish the forming process back of rubber clamp cloth diaphragm, upwards promote the driving-disc can be ejecting with fashioned rubber clamp cloth diaphragm, be convenient for carry out unloading of rubber clamp cloth diaphragm, improved the shaping efficiency of rubber clamp cloth diaphragm greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic bottom structure of the present invention;

FIG. 3 is a schematic view of the positioning telescopic tube of the present invention;

fig. 4 is a schematic view of the installation chute structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a lower forming die; 2. pressing the die; 3. a thimble; 4. installing a chute; 5. a drive disc; 6. positioning the telescopic pipe; 7. a return spring; 8. a limiting ring; 9. a support; 10. an outer support tube; 11. an internal connection pipe; 12. a material injection port; 13. positioning holes; 14. and a positioning column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment is a pre-forming device for a rubber-lined cloth membrane, which includes a lower forming die 1 and an upper forming die 2, which are matched with each other, a material injection port 12 is disposed at a central position of an upper surface of the upper forming die 2, and a chamfering process is performed at a top end of the material injection port 12, the material injection port 12 performs the chamfering process, so as to facilitate the injection of the rubber-lined cloth membrane raw material into the lower forming die 1, positioning holes 13 are disposed at four corners of the upper forming die 2, positioning pillars 14 are slidably disposed in the positioning holes 13, bottom ends of the positioning pillars 14 are fixedly mounted on the upper surface of the lower forming die 1, the positioning pillars 14 are disposed to realize precise matching between the lower forming die 1 and the upper forming die 2, so as to realize rapid forming of the rubber-lined cloth membrane, a mounting chute 4 is disposed on a bottom surface of the lower forming die 1 in a penetrating and inclined manner, ejector pins 3 for spreading cloth are slidably disposed in the mounting chute 4, and the ejector pins 3 are distributed in a rectangular shape, the thimble 3 is jointed and in sliding contact with the inner wall of the mounting chute 4, leakage of raw materials can be effectively avoided, the outer end of the thimble 3 penetrates out of the bottom surface of the lower forming die 1 and is jointly and movably provided with a driving disk 5, the bottom end of the thimble 3 is hinged with a sliding block, the sliding block is slidably mounted on the driving disk 5, telescopic adjustment of the thimble 3 is realized, a limiting ring 8 for limiting the lower displacement of the driving disk 5 is arranged below the driving disk 5, the limiting ring 8 is fixedly mounted on the lower forming die 1 through a bracket 9, the lower displacement of the driving disk 5 is limited by the arrangement of the limiting ring 8, so that the top surface of the thimble 3 is flush with the inner bottom surface of the lower forming die 1, the forming quality of the rubber cloth clamping membrane is improved, a positioning 6 is fixedly mounted between the upper surface of the driving disk 5 and the bottom surface of the lower forming die 1, and the positioning telescopic tube 6 comprises an outer support tube 10 and an inner connecting tube 11, the outer support tube 10 is connected with the inner connecting tube 11 in a sliding mode, the positioning telescopic tube 6 achieves a telescopic function by means of relative sliding between the outer support tube 10 and the inner connecting tube 11, and therefore positioning of the driving disc 5 in the vertical direction is achieved, the reset spring 7 is sleeved outside the positioning telescopic tube 6, and the reset spring 7 is in sliding contact with the outer surface of the positioning telescopic tube 6.

The utility model discloses a concrete implementation, when using, at first put into down 1 bottom surfaces of forming die with the inequality of rubber double-layered cloth diaphragm on, upwards promote driving-disc 5 afterwards, thimble 3 is with cloth cover jack-up and spread, make the cloth cover level and smooth be in the die cavity, then slowly pour into the raw materials into through sprue 12, be full of whole die cavity until the raw materials, loosen driving-disc 5, thimble 3 resets this moment, cloth cover evenly distributed is in the raw materials, treat rubber double-layered cloth diaphragm shaping back, open upper die 2, and the driving-disc 5 that upwards promotes, rubber double-layered cloth diaphragm is ejecting, accomplish the forming process of rubber double-layered cloth diaphragm.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rubber presss from both sides cloth diaphragm preforming device which characterized in that: the cloth spreading device is characterized by comprising a lower forming die (1) and an upper pressing die (2) which are matched with each other, wherein an installation sliding groove (4) is formed in the bottom surface of the lower forming die (1) in a penetrating and inclined mode, ejector pins (3) used for spreading cloth are arranged in the installation sliding groove (4) in a sliding mode, the ejector pins (3) are distributed in a rectangular mode, a driving disc (5) is arranged at the outer end of each ejector pin (3) in a penetrating mode on the bottom surface of the lower forming die (1) in a movable mode, a positioning telescopic tube (6) is fixedly installed between the upper surface of the driving disc (5) and the bottom surface of the lower forming die (1), a reset spring (7) is sleeved outside the positioning telescopic tube (6), and the reset spring (7) is in sliding contact with the outer surface of the positioning telescopic tube (6).

2. The apparatus of claim 1, wherein: the ejector pin (3) is attached to the inner wall of the mounting sliding groove (4) and in sliding contact with the inner wall of the mounting sliding groove.

3. The apparatus of claim 1, wherein: and a limiting ring (8) for limiting the downward displacement of the driving disc (5) is arranged below the driving disc (5), and the limiting ring (8) is fixedly arranged on the lower forming die (1) through a bracket (9).

4. The apparatus of claim 1, wherein: the positioning telescopic pipe (6) comprises an outer supporting pipe (10) and an inner connecting pipe (11), and the outer supporting pipe (10) is connected with the inner connecting pipe (11) in a sliding mode.

5. The apparatus of claim 1, wherein: and a feeding port (12) is formed in the center of the upper surface of the upper pressing die (2), and chamfering is performed on the top end of the feeding port (12).

6. The apparatus of claim 1, wherein: positioning holes (13) penetrate through four corners of the upper pressing die (2), positioning columns (14) are arranged in the positioning holes (13) in a sliding mode, and the bottom ends of the positioning columns (14) are fixedly installed on the upper surface of the lower forming die (1).