CN218948292U

CN218948292U - Injection mold convenient to drawing of patterns

Info

Publication number: CN218948292U
Application number: CN202222477801.XU
Authority: CN
Inventors: 钱建根
Original assignee: Fujian Huake Mould Technology Co ltd
Current assignee: Fujian Huake Mould Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-05-02
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to the technical field of injection molds and discloses an injection mold convenient to demold, which comprises a lower mold, wherein supporting legs are fixedly connected to four corners of the lower surface of the lower mold, inserting rods are fixedly connected to four corners of the upper surface of the lower mold, an injection molding groove is formed in the upper surface of the lower mold, an upper mold is arranged above the lower mold, fixing mechanisms are arranged on the left side and the right side of the lower mold and the right side of the upper mold, demolding mechanisms are arranged below the lower mold, the demolding mechanisms comprise two through holes, the number of the through holes is two, the two through holes are respectively formed in the middle parts of the left side and the right side of the bottom of the inside of the injection molding groove, a top plate is arranged in the inside of the through holes, a connecting rod is fixedly connected to the middle part of the lower surface of the top plate, a tension spring is arranged on the outer surface of the connecting rod, a connecting plate is fixedly connected to the bottom of the connecting rod, and a handle is fixedly connected to the middle part of the lower surface of the connecting plate.

Description

Injection mold convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient to demold.

Background

The injection mold is a tool for producing plastic products; the plastic injection molding method is a processing method used for mass production of parts with complex shapes, and specifically refers to the process that heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine and cooled and solidified to obtain a formed product.

After the injection mold is finished, the mold is tightly attached before the mold, so that the demolding is inconvenient for workers, the existing demolding mechanism is troublesome in demolding during use, and the damage to the injection molding part is easily caused.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the injection mold convenient for demolding, which has the advantages of being convenient for operators to demold the injection mold, and the like, and solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold convenient to drawing of patterns, includes the bed die, the equal fixedly connected with supporting leg in lower surface four corners department of bed die, the equal fixedly connected with inserted bar in upper surface four corners department of bed die, the upper surface of bed die has been seted up the groove of moulding plastics, the top of bed die is provided with the mould, the left and right sides of bed die and last mould all is provided with fixed establishment, the below of bed die is provided with demoulding mechanism, demoulding mechanism includes the through-hole, the quantity of through-hole is two, two the through-hole is seted up respectively in the left and right sides middle part of the inside bottom of the groove of moulding plastics, the inside of through-hole is provided with the roof, the lower surface middle part fixedly connected with connecting rod of roof, the surface of connecting rod is provided with extension spring, the bottom fixedly connected with connecting plate of connecting rod, the lower surface middle part fixedly connected with handle of connecting plate.

Preferably, the middle part of the upper surface of the upper die is fixedly connected with a handle.

Preferably, clamping grooves are formed in four corners of the lower surface of the upper die, and the lower surface of the upper die is fixedly connected with a template.

The handle facilitates staff to take the upper die, the clamping groove is embedded in the lower surface of the upper die, the lower die can be inserted into the clamping groove formed in the lower surface of the upper die through the inserted link connected with the upper surface, the degree of fit between the lower die and the upper die is increased, and the template is attached to the upper surface of the lower die and is responsible for injection molding.

Preferably, the middle parts of the left side and the right side of the upper surface of the lower die are fixedly connected with damping springs, and the tops of the damping springs are fixedly connected with backing plates.

The backing plate carries out elastic motion between bed die and last mould through the damping spring of bottom, and the in-process that bed die and last mould are laminated together can carry out certain protection to both, and can provide certain ascending elastic thrust when the die sinking.

Preferably, the fixing mechanism comprises four fixing blocks, and one sides of the four fixing blocks are respectively and fixedly connected with the middle parts of the left side and the right side of the lower die and the middle part of the upper die.

Preferably, a threaded rod is arranged in the fixing block.

The fixed blocks on two sides correspond to each other, and the threaded rod penetrates through the inside of the fixed block and performs threaded rotation movement in the inside of the threaded rod, so that the lower die and the upper die are tightly fixed together.

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

1. according to the utility model, through the through hole formed in the bottom of the injection molding groove, the through hole penetrates through the bottom of the lower die, the top plate is embedded in the through hole, the connecting rod is vertically connected to the middle of the lower surface of the top plate, the extension spring covers the outer surface of the connecting rod, one end of the extension spring is fixed at the edge of the lower surface of the through hole, the other end of the extension spring is fixed on the upper surface of the connecting plate, the top plate can be pushed to elastically move up and down through the connecting rod, and the die in the injection molding groove is ejected out, so that the effect of facilitating an operator to demould the injection molding die can be achieved.

2. According to the utility model, the threaded rod penetrates through the inside of the two fixed blocks at the same side through the fixed blocks connected at the two sides of the upper die and the lower die, and the upper die and the lower die are connected together, so that the effect of improving the bonding degree between the upper die and the lower die can be achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the front view structure of the present utility model;

FIG. 3 is a schematic view of the bottom view of the present utility model;

fig. 4 is a schematic top cross-sectional view of the present utility model.

Wherein: 1. a lower die; 101. support legs; 102. a rod; 103. an injection molding groove; 104. an upper die; 105. a grip; 106. a clamping groove; 107. a template; 108. a damping spring; 109. a backing plate; 2. a fixing mechanism; 201. a fixed block; 202. a threaded rod; 3. a demoulding mechanism; 301. a through hole; 302. a top plate; 303. a connecting rod; 304. a tension spring; 305. a connecting plate; 306. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an injection mold convenient for demolding comprises a lower mold 1, wherein supporting legs 101 are fixedly connected to four corners of the lower surface of the lower mold 1, insert rods 102 are fixedly connected to four corners of the upper surface of the lower mold 1, an injection molding groove 103 is formed in the upper surface of the lower mold 1, an upper mold 104 is arranged above the lower mold 1, fixing mechanisms 2 are arranged on the left side and the right side of the lower mold 1 and the left side of the upper mold 104, a demolding mechanism 3 is arranged below the lower mold 1, the supporting legs 101 can support the lower mold 1, and the insert rods 102 and the injection molding groove 103 are embedded in the upper surface of the lower mold 1;

the demoulding mechanism 3 comprises through holes 301, the number of the through holes 301 is two, two through holes 301 are respectively formed in the middle parts of the left side and the right side of the inner bottom of the injection molding groove 103, a top plate 302 is arranged in the through holes 301, connecting rods 303 are fixedly connected to the middle parts of the lower surfaces of the top plate 302, extension springs 304 are arranged on the outer surfaces of the connecting rods 303, connecting plates 305 are fixedly connected to the bottoms of the connecting rods 303, handles 306 are fixedly connected to the middle parts of the lower surfaces of the connecting rods 305, the through holes 301 penetrate through the bottoms of the lower mould 1, the top plates 302 are embedded in the through holes 301, the connecting rods 303 are vertically connected to the middle parts of the lower surfaces of the top plates 302, the extension springs 304 are sleeved outside the connecting rods 303, one ends of the extension springs 304 are fixedly connected to the edges of the lower surfaces of the through holes 301, the other ends of the extension springs 304 are fixedly connected to one side of the upper surfaces of the connecting rods 305, the connecting rods 303 can perform elastic motion through the extension springs 304 outside, the top plates 303 can perform up-down elastic motion through the connecting rods 303, then the bottoms of injection molding pieces in the injection molding groove 103 can be ejected out of the connecting rods, the bottoms of the connecting rods 305 are vertically connected to the upper surfaces of the connecting rods 305, the connecting rods 305 are connected together, and convenience is brought to control, and the handles 306 are convenient for control, and workers to operate conveniently.

Specifically, as shown in fig. 2 and 3, a grip 105 is fixedly connected to the middle of the upper surface of the upper mold 104, clamping grooves 106 are formed at four corners of the lower surface of the upper mold 104, and a template 107 is fixedly connected to the lower surface of the upper mold 104.

Through the above technical scheme, the grip 105 facilitates the staff to take the upper die 104, the clamping groove 106 is embedded in the lower surface of the upper die 104, the insert rod 102 connected with the lower die 1 through the upper surface can be inserted into the clamping groove 106 formed in the lower surface of the upper die, the bonding degree between the lower die 1 and the upper die 104 is increased, and the template 107 is bonded with the upper surface of the lower die 1 and is responsible for injection molding treatment.

Specifically, as shown in fig. 2, the middle parts of the left and right sides of the upper surface of the lower mold 1 are fixedly connected with damping springs 108, and the top of the damping springs 108 is fixedly connected with a backing plate 109.

Through the above technical scheme, the cushion plate 109 elastically moves between the lower die 1 and the upper die 104 through the damping spring 108 at the bottom, so that the lower die 1 and the upper die 104 can be protected to a certain extent in the process of being attached together, and a certain upward elastic thrust can be provided during die opening.

Specifically, as shown in fig. 3, the fixing mechanism 2 includes four fixing blocks 201, one sides of the four fixing blocks 201 are respectively and fixedly connected to the middle parts of the left and right sides of the lower mold 1 and the upper mold 104, and threaded rods 202 are disposed inside the fixing blocks 201.

Through the above technical scheme, the fixing blocks 201 on two sides correspond to each other, and the threaded rod 202 penetrates through the inside of the fixing block 201 and performs threaded rotation movement in the inside of the fixing block, so that the lower die 1 and the upper die 104 are tightly fixed together.

When in use, an operator places the upper die 104 above the lower die 1 so that the insert rod 102 can be correspondingly inserted into the clamping groove 106, so that the upper die and the insert rod are tightly attached together, then the threaded rod 202 penetrates through the fixing blocks 201 on two sides, the lower die 1 and the upper die 104 are tightly fixed together for injection molding, after injection molding is completed, the operator opens the upper die 104 through the grip 105, finally holds the handle 306, pushes the connecting rod 303 upwards, and the injection molding piece inside the lower die 1 can be subjected to demolding through the top plate 302.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Injection mold convenient to drawing of patterns, including bed die (1), its characterized in that: the utility model discloses a lower mould, including lower mould (1), lower surface four corners department of lower mould (1) all fixedly connected with supporting leg (101), the equal fixedly connected with inserted bar (102) in upper surface four corners department of lower mould (1), injection molding groove (103) have been seted up to the upper surface of lower mould (1), the top of lower mould (1) is provided with mould (104), the left and right sides of lower mould (1) and upper mould (104) all are provided with fixed establishment (2), the below of lower mould (1) is provided with demoulding mechanism (3), demoulding mechanism (3) include through-hole (301), the quantity of through-hole (301) is two, two the through-hole (301) are seted up respectively in the left and right sides middle part of injection molding groove (103) inside bottom, the inside of through-hole (301) is provided with roof (302), the lower surface middle part fixed connection connecting rod (303) of roof (303), the surface of connecting rod (303) is provided with extension spring (304), the bottom fixed connection of connecting rod (303) has connecting plate (305), the surface fixed connection of connecting plate (305) has hand (306).

2. An injection mold for facilitating demolding as claimed in claim 1, wherein: the middle part of the upper surface of the upper die (104) is fixedly connected with a handle (105).

3. An injection mold for facilitating demolding as claimed in claim 1, wherein: clamping grooves (106) are formed in four corners of the lower surface of the upper die (104), and templates (107) are fixedly connected to the lower surface of the upper die (104).

4. An injection mold for facilitating demolding as claimed in claim 1, wherein: damping springs (108) are fixedly connected to the middle parts of the left side and the right side of the upper surface of the lower die (1), and backing plates (109) are fixedly connected to the tops of the damping springs (108).

5. An injection mold for facilitating demolding as claimed in claim 1, wherein: the fixing mechanism (2) comprises four fixing blocks (201), and one sides of the four fixing blocks (201) are respectively and fixedly connected with the middle parts of the left side and the right side of the lower die (1) and the middle parts of the right side and the left side of the upper die (104).

6. An injection mold for facilitating mold release according to claim 5, wherein: a threaded rod (202) is arranged in the fixed block (201).