CN221271809U - Pneumatic material returning die for rubber ring - Google Patents

Abstract

The utility model discloses a pneumatic material returning die for a rubber ring, which comprises a lower die arranged in an inner cavity of an electric slide rail displacement slide seat: the top block of bed die has the cope match-die, the bottom of bed die is provided with the material subassembly that returns, the inner chamber of bed die is provided with slidable displacement board, the top welding of displacement board has a plurality of liftout boards, the arc hole of a plurality of and liftout board looks adaptation has been seted up at the top of bed die, the top welding of displacement board has a plurality of reset springs, the top of reset spring and the inner wall welding of bed die. According to the utility model, through the arrangement of the electric sliding rail, the position of the lower die is moved, meanwhile, through the cooperation of the lower die, the upper die and the hot press, the hot pressing manufacturing is carried out on the sealing ring, and finally, through the cooperation of the material returning assembly, the displacement plate and the material ejecting plate, the material returning is carried out on the sealing ring formed by hot pressing, so that the purposes of complete material returning and rapid material returning can be achieved.

Description

Pneumatic material returning die for rubber ring

Technical Field

The utility model belongs to the technical field of rubber ring processing, and particularly relates to a pneumatic rubber ring material returning die.

Background

The rubber ring is used for sealing the piston in the reciprocating hydraulic cylinder, is made of polyurethane TPU, CPU and rubber, has excellent sealing performance and long service life, and has the dynamic pressure sealing service life which is 5-10 times, up to tens times higher than that of a conventional rubber sealing product and can be the same as the sealing substrate under certain conditions.

The rubber ring is mainly used for occasions needing sealing, is a rubber product with excellent sealing performance and long service life, and after hot pressing is finished, the rubber ring is blown out of the air through an air gun generally, so that the rubber ring is demolded and returned, however, in the use process, the single thin leftover rubber is broken under the blowing of the air, and then the rubber product is possibly broken along cracks, therefore, the pneumatic rubber ring returning mold is required to be provided, a returning structure is arranged at the bottom of the rubber ring, and the returning acting force is directly acted on the surface of a rubber ring main body made of thicker material, so that the rubber ring is prevented from breaking in the demolding process.

Disclosure of utility model

The utility model aims to provide a pneumatic material returning die for a rubber ring, wherein a material returning structure is arranged at the bottom of the rubber ring, and material returning acting force is directly acted on the surface of a rubber ring main body made of thicker materials, so that the rubber ring is prevented from being broken in the demolding process, and the technical problem is solved.

The technical scheme for solving the technical problems is as follows: the utility model provides a pneumatic material mould that returns of rubber circle, includes the bed die of placing at electronic slide rail displacement slide inner chamber: the top block of bed die has the cope match-die, the bottom of bed die is provided with the material subassembly that returns, the inner chamber of bed die is provided with slidable displacement board, the top welding of displacement board has a plurality of liftout boards, the arc hole of a plurality of and liftout board looks adaptation has been seted up at the top of bed die, the top welding of displacement board has a plurality of reset springs, the top of reset spring and the inner wall welding of bed die.

Preferably, the material returning assembly comprises a pneumatic push rod positioned at the bottom of the lower die, a pulley is mounted at the output end of the pneumatic push rod, a rectangular through hole matched with the pulley is formed in the bottom of the lower die, and the surface of the pulley is in rolling contact with the bottom of the displacement plate.

Preferably, guide rail plates are welded on two sides of the bottom of the lower die, guide posts are fixedly connected on two sides of the pulley, and the guide posts are slidably connected in an inner cavity of the guide rail plates.

Preferably, a fixed block is welded on the front side of the bottom of the lower die, and the pneumatic push rod is rotationally connected with the fixed block.

Preferably, four corners of the top of the lower die are connected with positioning pins in a threaded manner, and four corners of the bottom of the upper die are provided with positioning holes matched with the positioning pins.

Preferably, handles are welded on both sides of the lower die.

1. The beneficial effects of the utility model are as follows: according to the utility model, through the arrangement of the electric sliding rail, the position of the lower die is moved, meanwhile, through the cooperation of the lower die, the upper die and the hot press, the hot pressing manufacturing is carried out on the sealing ring, and finally, through the cooperation of the material returning assembly, the displacement plate and the material ejecting plate, the material returning is carried out on the sealing ring formed by hot pressing, so that the purposes of complete material returning and rapid material returning can be achieved.

2. According to the utility model, through the arrangement of the material returning assembly, the pneumatic push rod is arranged to push and pull the pulley, and meanwhile, under the cooperation of the guide rail plate and the guide post, the displacement track of the pulley is guided, so that the pulley is shifted upwards, the pulley is enabled to exert an upward pushing force on the displacement plate, and finally, the material returning plate is enabled to return the material from the sealing ring positioned at the top of the lower die.

3. According to the utility model, through the matched use of the positioning pin and the positioning hole, the positioning and limiting functions are realized between the lower die and the upper die, so that the upper die can be stably and accurately clamped at the top of the lower die, and the lower die and the upper die are prevented from being offset.

Drawings

Wherein:

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of an electric sliding rail according to an embodiment of the utility model;

FIG. 3 is a perspective exploded view of a lower mold and an upper mold according to an embodiment of the present utility model;

FIG. 4 is a side cross-sectional view of a lower mold according to one embodiment of the present utility model;

Fig. 5 is a perspective exploded view of a lower die, a stripper unit and a displacement plate according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. The device comprises an electric sliding rail, 2, a lower die, 3, an upper die, 4, a material returning assembly, 41, a pneumatic push rod, 42, a pulley, 43, a rectangular through hole, 44, a guide rail plate, 45, a guide post, 5, a displacement plate, 6, a material ejecting plate, 7, an arc hole, 8, a return spring, 9, a fixed block, 10, a locating pin, 11, a locating hole, 12 and a handle.

Detailed Description

Hereinafter, an embodiment of the rubber ring pneumatic material returning mold of the present utility model will be described with reference to the accompanying drawings.

Fig. 1-5 show a pneumatic material returning die for rubber ring of an embodiment of the utility model, which comprises a lower die 2 placed in the inner cavity of a displacement slide seat of an electric slide rail 1, wherein four corners at the top of the lower die 2 are respectively connected with a locating pin 10 in a threaded manner, four corners at the bottom of the upper die 3 are respectively provided with a locating hole 11 matched with the locating pin 10, the locating pin 10 and the locating holes 11 are matched for use, the lower die 2 and the upper die 3 are positioned and limited, the upper die 3 can be stably and accurately clamped at the top of the lower die 2 to prevent the lower die 2 and the upper die 3 from generating offset, handles 12 are welded at both sides of the lower die 2, the top of the lower die 2 is clamped with the upper die 3, the bottom of the lower die 2 is provided with a material returning assembly 4, the material returning assembly 4 comprises a pneumatic push rod 41 positioned at the bottom of the lower die 2, the front side of the bottom of the lower die 2 is welded with a fixed block 9, the pneumatic push rod 41 is rotationally connected with the fixed block 9, the pulley 42 is arranged at the output end of the pneumatic push rod 41, a rectangular through hole 43 matched with the pulley 42 is formed at the bottom of the lower die 2, the surface of the pulley 42 is in rolling contact with the bottom of the displacement plate 5, guide rail plates 44 are welded at two sides of the bottom of the lower die 2, guide posts 45 are fixedly connected at two sides of the pulley 42, the guide posts 45 are slidably connected in the inner cavity of the guide rail plates 44, the pneumatic push rod 41 is arranged to push and pull the pulley 42, the displacement track of the pulley 42 is guided under the matched use of the guide rail plates 44 and the guide posts 45, so that the pulley 42 is upwards offset and displaced, the pulley 42 is caused to apply upward pushing force to the displacement plate 5, and finally the ejector plate 6 is used for ejecting a sealing ring positioned at the top of the lower die 2, the inner chamber of bed die 2 is provided with slidable displacement board 5, and the top welding of displacement board 5 has a plurality of liftout boards 6, and a plurality of arc holes 7 with liftout board 6 looks adaptation are seted up at the top of bed die 2, and the top welding of displacement board 5 has a plurality of reset springs 8, and the top of reset spring 8 and the inner wall welding of bed die 2.

Working principle: when the hot press is used, a user arranges the prepared strip-shaped raw materials on the top of the lower die 2, then clamps the upper die 3 above the lower die 2, enables the positioning pin 10 to be inserted into the inner cavity of the positioning hole 11, then moves the lower die 2 and the upper die 3 to the operation position of the hot press through the electric sliding rail 1 to carry out hot pressing, after the hot pressing is finished, still conveys the lower die 2 and the upper die 3 to the forefront side through the electric sliding rail 1, then removes the upper die 3 from the top of the lower die 2, the pneumatic push rod 41 is started to drive the pulley 42 to move to the front side, the pulley 42 slides in the inner cavity of the guide rail plate 44 in the forward moving process, the pulley 42 moves upwards under the action of the inclination angle of the inner wall of the guide rail plate 44, the displacement plate 5 is extruded by the pulley 42, then the displacement plate 5 drives the ejector plate 6 to stretch out of the inner cavity of the arc-shaped hole 7, the hot pressed sealing ring is still separated from the lower die 2 under the extrusion action of the ejector plate 6, and at the moment, the user can take the sealing ring from the top of the lower die 2.

To sum up: this pneumatic material mould that returns of rubber circle moves through the setting of electronic slide rail 1 to the position of bed die 2, uses through the cooperation of bed die 2, last mould 3 and hot press simultaneously, carries out hot pressing preparation to the sealing washer, uses through the cooperation of material return subassembly 4, displacement board 5 and liftout board 6 at last, returns the material to hot briquetting's sealing washer, can reach the complete and quick purpose of material return.

Claims (6)

1. The pneumatic material returning die for the rubber ring is characterized by comprising a lower die (2) arranged in an inner cavity of a displacement sliding seat of an electric sliding rail (1): the top block of bed die (2) has last mould (3), the bottom of bed die (2) is provided with material return subassembly (4), the inner chamber of bed die (2) is provided with slidable displacement board (5), the top welding of displacement board (5) has a plurality of liftout boards (6), a plurality of arc holes (7) with liftout board (6) looks adaptation have been seted up at the top of bed die (2), the top welding of displacement board (5) has a plurality of reset spring (8), the top of reset spring (8) and the inner wall welding of bed die (2).

2. The pneumatic material returning die for the rubber ring according to claim 1, wherein the material returning assembly (4) comprises a pneumatic push rod (41) positioned at the bottom of the lower die (2), a pulley (42) is arranged at the output end of the pneumatic push rod (41), a rectangular through hole (43) matched with the pulley (42) is formed in the bottom of the lower die (2), and the surface of the pulley (42) is in rolling contact with the bottom of the displacement plate (5).

3. The pneumatic material returning die for the rubber ring according to claim 2, wherein guide rail plates (44) are welded on two sides of the bottom of the lower die (2), guide posts (45) are fixedly connected on two sides of the pulley (42), and the guide posts (45) are slidably connected in an inner cavity of the guide rail plates (44).

4. A pneumatic rubber ring material returning die as claimed in claim 3, wherein a fixed block (9) is welded on the front side of the bottom of the lower die (2), and the pneumatic push rod (41) is rotationally connected with the fixed block (9).

5. The pneumatic material returning die for the rubber ring according to claim 4, wherein four corners of the top of the lower die (2) are respectively connected with a locating pin (10) in a threaded mode, and four corners of the bottom of the upper die (3) are respectively provided with a locating hole (11) matched with the locating pin (10).

6. A pneumatic rubber ring material returning die as claimed in claim 5, wherein handles (12) are welded on both sides of the lower die (2).