CN218948299U

CN218948299U - Injection mold is used in grip ring production convenient to drawing of patterns

Info

Publication number: CN218948299U
Application number: CN202223029082.1U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Shenzhen Xin Lin Technology Co ltd
Current assignee: Shenzhen Xin Lin Technology Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-05-02
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses an injection mold for producing a grip ring convenient for demolding, which comprises a base, wherein a bottom mold is fixedly arranged on the left side of the outer surface of the upper end of the base, an upper film is arranged on the upper part of the bottom mold, a sprue bush is arranged in the middle of the outer surface of the upper end of the upper film, a positioning ring is arranged on the upper part of the sprue bush, the outer surface of the lower end of the positioning ring is fixedly connected with the middle of the outer surface of the upper end of the upper film, a grip ring mold cavity is formed in the middle of the outer surface of the upper end of the bottom mold, an air cylinder is fixedly arranged on the right side of the outer surface of the upper end of the base, an ejection assembly is arranged in the bottom mold, and the ejection assembly comprises a connecting plate, a movable rod, a sliding groove, an ejector pin hole, an ejector pin, a first inclined wedge, a second inclined wedge, a movable cavity, a limiting groove, a limiting block, a compression spring and a movable plate. The injection mold for producing the grip ring convenient to demould has the advantages of being convenient for ejecting the grip ring inside the mold cavity of the grip ring, being convenient for demould and the like.

Description

Injection mold is used in grip ring production convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of grip ring production, in particular to an injection mold convenient for demolding for grip ring production.

Background

The grip ring belongs to a body-building apparatus, can be used for relieving hand fatigue, has good grip strength, is an effective health feature, can make tendons and vessels smooth and lively, and can strengthen blood circulation.

The material of grip ring is generally silica gel material, in production, need produce through injection mold and make, in prior art, when producing the grip ring through injection mold, all need the thimble to demold, but, the inside thimble of current die casting mold relies on the restoring force of spring to drive the thimble and will mould inside lamps and lanterns accessory ejecting, the elasticity of spring is less, sometimes when injection molding's grip ring and the bonding force between the mould are great, only through the elasticity of spring, be inconvenient for ejecting fashioned grip ring, the use of giving people has brought certain adverse effect, for this reason, we propose an injection mold for grip ring production convenient to drawing of patterns.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the injection mold for producing the grip ring, which is convenient for demolding, has the advantages of being convenient for ejecting the grip ring in the cavity of the grip ring, being convenient for demolding and the like, and can effectively solve the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an injection mold is used in production of grip ring convenient to drawing of patterns, includes the base, the left side fixed mounting of base upper end surface has the die block, the upper portion of die block is provided with the upper film, the middle part of upper film upper end surface is provided with the runner cover, the upper portion of runner cover is provided with the holding ring, just the lower extreme surface of holding ring and the middle part fixed connection of upper film upper end surface, the grip ring die cavity has been seted up at the middle part of die block upper end surface, the right side fixed mounting of base upper end surface has the cylinder, the inside of die block is provided with ejecting subassembly, just ejecting subassembly includes connecting plate, movable rod, spout, thimble, first inclined wedge, second inclined wedge, movable chamber, spacing groove, stopper, compression spring and fly leaf, just the quantity of thimble is four sets of thimble, four sets of the thimble is seted up in the front and back left and right ends of grip ring die cavity bottom, just four sets of thimble bottom and activity chamber communicate with each other.

Preferably, the spout is seted up in the lower part of die block one side surface, the movable rod runs through the spout, connecting plate fixed mounting is on the right side of movable rod upper end surface, one end surface and one side surface fixed connection of connecting plate of cylinder output shaft, through the cylinder of setting up, the cooperation of being convenient for is ejecting with the grip ring of grip ring die cavity inside ejecting.

Preferably, the number of the first inclined plane wedge blocks and the second inclined plane wedge blocks is two, the two groups of the first inclined plane wedge blocks are fixedly arranged on the left side of the outer surface of the upper end of the movable rod, the two groups of the second inclined plane wedge blocks are fixedly arranged on the outer surface of the lower end of the movable plate, the second inclined plane wedge blocks are located on one side of the first inclined plane wedge blocks, and the first inclined plane wedge blocks, the second inclined plane wedge blocks and the movable plate are located in the movable cavity, so that demolding is facilitated.

Preferably, the limiting groove is formed in the upper portions of the left side and the right side of the movable cavity, the limiting block and the compression spring are located in the limiting groove, the limiting block is fixedly mounted in the middle of the outer surfaces of the left side and the right side of the movable plate, the compression spring is fixedly mounted on the outer surface of the upper end of the limiting block, the outer surface of the upper end of the compression spring is fixedly connected with the upper portion of the limiting groove, and the auxiliary ejector pins are convenient to reset through the compression spring.

Preferably, four groups the thimble fixed mounting is in the upper end surface of fly leaf, be sliding connection between stopper and the spacing groove, the upper end surface of stopper passes through compression spring and the one end elastic connection of spacing groove, closely laminate between the outer wall of thimble and the thimble hole, just be sliding connection between thimble and the thimble hole, convenient to use.

Preferably, the first inclined wedge block is in sliding connection with the second inclined wedge block, and the outer wall of the movable rod is in sliding connection with the sliding groove, so that stability is improved.

(III) beneficial effects

Compared with the prior art, the utility model provides the injection mold for producing the grip ring, which is convenient for demolding, and has the following beneficial effects:

1. this injection mold is used in grip ring production convenient to drawing of patterns, the cylinder through setting up is convenient for cooperate ejecting subassembly with the grip ring of grip ring die cavity inside ejecting.

2. This injection mold is used in grip ring production convenient to drawing of patterns is convenient for assist the thimble to reset through the compression spring who sets up.

Drawings

FIG. 1 is a schematic diagram of the whole structure of an injection mold for producing grip rings, which is convenient for demolding.

Fig. 2 is a schematic diagram of a partial structure of an injection mold for producing grip rings, which is convenient for demolding.

FIG. 3 is a side cross-sectional view of an ejector assembly in an injection mold for grip ring production that facilitates demolding in accordance with the present utility model.

Fig. 4 is a schematic view of a partial structure of an ejector assembly in an injection mold for producing grip rings, which is convenient for demolding.

In the figure: 1. a base; 2. a cylinder; 3. a bottom die; 4. an ejection assembly; 5. coating a film; 6. a sprue bush; 7. a positioning ring; 8. a grip ring mold cavity; 9. a connecting plate; 10. a movable rod; 11. a chute; 12. a top pinhole; 13. a thimble; 14. a first beveled wedge; 15. a second beveled wedge; 16. a movable cavity; 17. a limit groove; 18. a limiting block; 19. a compression spring; 20. a movable plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

The embodiment is an injection mold for producing a grip ring convenient to demolding.

As shown in fig. 1-4, the mold comprises a base 1, a bottom mold 3 is fixedly installed on the left side of the outer surface of the upper end of the base 1, an upper film 5 is arranged on the upper portion of the bottom mold 3, a sprue bush 6 is arranged in the middle of the outer surface of the upper end of the upper film 5, a positioning ring 7 is arranged on the upper portion of the sprue bush 6, the outer surface of the lower end of the positioning ring 7 is fixedly connected with the middle of the outer surface of the upper end of the upper film 5, a grip ring mold cavity 8 is arranged in the middle of the outer surface of the upper end of the bottom mold 3, a cylinder 2 is fixedly installed on the right side of the outer surface of the upper end of the base 1, an ejection assembly 4 is arranged in the bottom mold 3, the ejection assembly 4 comprises a connecting plate 9, a movable rod 10, a chute 11, an ejection hole 12, an ejection pin 13, a first inclined wedge 14, a second inclined wedge 15, a movable cavity 16, a limiting groove 17, a limiting block 18, a compression spring 19 and a movable plate 20, the number of ejection pin holes 12 and the ejection pin 13 are four groups, the four groups of ejection pin holes 12 are arranged on the front and the left end and right end of the bottom of the grip ring mold cavity 8, the four groups of the ejection pin hole 12 are arranged in the inner part of the bottom of the grip ring 3, and the ejection pin 16 is communicated with the movable cavity 16.

The sliding chute 11 is formed in the lower part of one side outer surface of the bottom die 3, the movable rod 10 penetrates through the sliding chute 11, the connecting plate 9 is fixedly arranged on the right side of the outer surface of the upper end of the movable rod 10, and one end outer surface of the output shaft of the air cylinder 2 is fixedly connected with one side outer surface of the connecting plate 9; the number of the first inclined wedge blocks 14 and the second inclined wedge blocks 15 is two, the two groups of the first inclined wedge blocks 14 are fixedly arranged on the left side of the outer surface of the upper end of the movable rod 10, the two groups of the second inclined wedge blocks 15 are fixedly arranged on the outer surface of the lower end of the movable plate 20, the second inclined wedge blocks 15 are positioned on one side of the first inclined wedge blocks 14, and the first inclined wedge blocks 14, the second inclined wedge blocks 15 and the movable plate 20 are positioned in the movable cavity 16; the limiting groove 17 is formed in the upper parts of the left side and the right side of the movable cavity 16, the limiting block 18 and the compression spring 19 are positioned in the limiting groove 17, the limiting block 18 is fixedly arranged in the middle of the outer surfaces of the left side and the right side of the movable plate 20, the compression spring 19 is fixedly arranged on the outer surface of the upper end of the limiting block 18, and the outer surface of the upper end of the compression spring 19 is fixedly connected with the upper part of the limiting groove 17; the four groups of ejector pins 13 are fixedly arranged on the outer surface of the upper end of the movable plate 20, the limiting block 18 is in sliding connection with the limiting groove 17, the outer surface of the upper end of the limiting block 18 is elastically connected with one end of the limiting groove 17 through the compression spring 19, the outer wall of the ejector pin 13 is tightly attached to the ejector pin hole 12, and the ejector pin 13 is in sliding connection with the ejector pin hole 12; the first inclined wedge block 14 is in sliding connection with the second inclined wedge block 15, and the outer wall of the movable rod 10 is in sliding connection with the sliding groove 11.

It should be noted that, the injection mold for producing a grip ring is provided with the injection mold for facilitating demolding, when the upper film 5 and the bottom mold 3 are separated, the grip ring in the grip ring mold cavity 8 is required to be demolded, the output shaft of the injection mold is driven to stretch by the air cylinder 2, the air cylinder 2 drives the movable rod 10 to slide along the chute 11 by the connecting plate 9, the movable rod 10 drives the first inclined wedge 14 to move in the movable cavity 16, the first inclined wedge 14 extrudes the outer surface of one side of the second inclined wedge 15, so that the second inclined wedge 15 moves upwards, the second inclined wedge 15 drives the movable plate 20 to move upwards, the movable plate 20 drives the ejector pin 13 to eject the grip ring in the grip ring mold cavity 8, so that quick demolding is facilitated, the condition of insufficient ejection force of the ejector pin 13 does not occur, the movable plate 20 drives the ejector pin 13 to slide along the pinhole ejector 12, the limiting block 18 is extruded by the limiting block 19 in the limiting groove 17, and after the air cylinder 2 drives the connecting plate 9 to reset the movable rod 10, the ejector pin 13 is reset by the action of gravity of the ejector pin 13 and the reset spring 19.

It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Injection mold is used in grip ring production convenient to drawing of patterns, including base (1), its characterized in that: the left side fixed mounting of base (1) upper end surface has die block (3), the upper portion of die block (3) is provided with upper film (5), the middle part of upper film (5) upper end surface is provided with runner cover (6), the upper portion of runner cover (6) is provided with holding ring (7), just the lower extreme surface of holding ring (7) and the middle part fixed connection of upper film (5) upper end surface, holding ring die cavity (8) have been seted up at the middle part of die block (3) upper end surface, the right side fixed mounting of base (1) upper end surface has cylinder (2), the inside of die block (3) is provided with ejecting subassembly (4), just ejecting subassembly (4) are including connecting plate (9), movable rod (10), spout (11), thimble (12), thimble (13), first inclined plane voussoir (14), second inclined plane (15), movable cavity (16), spacing groove (17), stopper (18), compression spring (19) and fly leaf (20), just the quantity of thimble (12) is four groups of thimble (16) top ring die cavity (16) are seted up in the die cavity (8) the inside of the front of four groups of thimble (16), and the bottoms of the four groups of top pinholes (12) are communicated with the movable cavity (16).

2. The injection mold for producing a grip ring convenient to demolding according to claim 1, wherein: the sliding chute (11) is formed in the lower portion of one side outer surface of the bottom die (3), the movable rod (10) penetrates through the sliding chute (11), the connecting plate (9) is fixedly mounted on the right side of the outer surface of the upper end of the movable rod (10), and one end outer surface of the output shaft of the air cylinder (2) is fixedly connected with one side outer surface of the connecting plate (9).

3. The injection mold for producing a grip ring convenient to release according to claim 2, wherein: the number of the first inclined plane wedges (14) and the second inclined plane wedges (15) is two, the two groups of the first inclined plane wedges (14) are fixedly arranged on the left side of the outer surface of the upper end of the movable rod (10), the two groups of the second inclined plane wedges (15) are fixedly arranged on the outer surface of the lower end of the movable plate (20), the second inclined plane wedges (15) are positioned on one side of the first inclined plane wedges (14), and the first inclined plane wedges (14), the second inclined plane wedges (15) and the movable plate (20) are positioned in the movable cavity (16).

4. The injection mold for producing a grip ring convenient to release according to claim 3, wherein: the limiting groove (17) is formed in the upper portions of the left side and the right side of the movable cavity (16), the limiting block (18) and the compression spring (19) are located in the limiting groove (17), the limiting block (18) is fixedly mounted in the middle of the outer surfaces of the left side and the right side of the movable plate (20), the compression spring (19) is fixedly mounted on the outer surface of the upper end of the limiting block (18), and the outer surface of the upper end of the compression spring (19) is fixedly connected with the upper portion of the limiting groove (17).

5. The injection mold for producing a grip ring convenient to demolding according to claim 4, wherein: four groups thimble (13) fixed mounting is in the upper end surface of fly leaf (20), be sliding connection between stopper (18) and spacing groove (17), the upper end surface of stopper (18) passes through compression spring (19) and the one end elastic connection of spacing groove (17), closely laminate between the outer wall of thimble (13) and thimble hole (12), just be sliding connection between thimble (13) and thimble hole (12).

6. The injection mold for producing grip rings convenient to demold according to claim 5, wherein: the first inclined wedge block (14) is in sliding connection with the second inclined wedge block (15), and the outer wall of the movable rod (10) is in sliding connection with the sliding groove (11).