CN112476991A

CN112476991A - Demoulding device without external power for injection mould

Info

Publication number: CN112476991A
Application number: CN202011281885.9A
Authority: CN
Inventors: 陈琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-03-12

Abstract

The invention discloses a demoulding device without external power for an injection mould, which belongs to the technical field of mould demoulding and comprises an upper fixing plate, wherein two ends of the lower part of the upper fixing plate are connected with a fixed bottom plate through two mounting rods, an injection mould assembly is arranged between the fixed bottom plate and the upper fixing plate, and reinforcing and sealing assemblies are arranged at two side ends of the injection mould assembly. The demoulding device without external power for the injection mould disclosed by the invention can be used for carrying out injection moulding through the injection moulding hole, carrying out moulding in a moulding cavity, improving the convenience of injection moulding, carrying out compression moulding, facilitating later-stage mould taking, carrying out demoulding while opening the mould through the last power source, having no external power, being low in production cost, improving the production benefit, reducing the production cost, improving the stability of pressing, increasing the sealing effect, preventing leakage, improving the injection moulding quality, being capable of driving two groups of finished products to carry out demoulding at one time, reducing the demoulding cost, improving the use convenience and meeting the production requirements.

Description

Demoulding device without external power for injection mould

Technical Field

The invention relates to the technical field of mold stripping, in particular to a stripping device without external power for an injection mold.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (injection machine or injection molding machine for short) is a main molding device for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by utilizing a plastic molding die, the injection molding is realized by the injection molding machine and the die, and the rubber injection molding is a production method for directly injecting rubber materials into a model from a cylinder for vulcanization. The rubber injection molding has the advantages that: although the method is an intermittent operation, the forming period is short, the production efficiency is high, the blank preparation process is eliminated, the labor intensity is low, and the product quality is excellent. Plastic injection molding is a method of producing plastic products by injecting molten plastic into a plastic product mold under pressure, and cooling and molding the plastic product to obtain various plastic parts. There are mechanical injection molding machines that are specifically used for injection molding. The most commonly used plastics today are polyethylene, polypropylene, ABS, PA, polystyrene, etc. The resulting shape is often the final product and no further processing is required prior to installation or use as the final product. Many details, such as bosses, ribs, threads, can be formed in one injection molding operation, and the demolding device can be used for demolding an injection mold, which is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension, and the injection mold is widely used at present in the production process of the injection molding product. Mould product before is because technical limitation is monochromatic production more, can only use a plastic raw materials injection moulding promptly, the outward appearance of the product of production no matter be the material or the colour is not abundant various enough, and current injection mold injection rate is not fast, the drawing of patterns process is troublesome, be difficult for droing, the manual work is demolded by force, damage finished product and so on easily, it can't improve to have led to produce to need to seek, can't satisfy the demand of using, among the prior art, shedder often all uses outside ejector pin to carry out the drawing of patterns, need outside power to intervene, there is inefficiency, and use inconvenient phenomenon.

Disclosure of Invention

The invention aims to provide a demoulding device without external power, which is used for injection moulding through an injection moulding hole, is formed in a forming cavity, improves the convenience of injection moulding, is used for press-fit type injection moulding, is convenient for later-stage mould taking, is used for demoulding while opening a mould through the last power source, has no external power, is low in production cost, improves the production benefit, reduces the production cost, improves the stability of press-fit, increases the sealing effect, prevents leakage, improves the injection moulding quality, drives a movable mould base to open the mould and press, is convenient for demoulding and mould taking, improves the practicability, can drive two groups of finished products to demould at one time, reduces the cost of demoulding, improves the convenience of use, meets the production requirements, and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a no external power shedder for injection mold, includes the upper fixed plate, the both ends of upper fixed plate below are connected with PMKD through two installation poles, install the injection mold subassembly between PMKD and the upper fixed plate, the both sides end of injection mold subassembly sets up consolidates sealing assembly, set up the die sinking subassembly between the top of injection mold subassembly and the upper fixed plate, install on the upper fixed plate die sinking subassembly top.

Preferably, the injection mold assembly comprises an upper mold base, a lower mold base, injection molding holes, an upper mold, a lower mold cavity and a demolding assembly, the lower mold base is arranged below the upper mold base, the bottom end of the lower mold base is fixed on the fixing bottom plate, the injection molding holes are formed in the upper mold base, the upper mold is arranged below the upper mold base, the lower mold cavity is formed in the upper end face of the lower mold base, the demolding assembly is arranged at two side ends of the upper mold, and the upper end of the demolding assembly is fixed at the lower end face of the upper mold base.

Preferably, the two side ends of the upper die base are provided with insertion grooves, the two side ends of the lower die base are provided with butt plates, the butt plates are inserted into the insertion grooves and connected with the insertion grooves, the lower die base is connected with the upper die base in a pressing mode, the lower die base and the upper die base are pressed to drive the upper die and the lower die groove to be pressed together, and when the upper die and the lower die groove are pressed together, a gap between the upper die and the lower die groove is an injection molding cavity.

Preferably, the demolding component comprises a demolding column, an ejection block, an insertion groove and an ejection mounting groove, the ejection block is connected below the demolding column, the insertion groove is formed in the inner wall of the lower mold groove below the ejection block, the ejection mounting groove is formed in the lower end of the insertion groove, the insertion groove is in clamping arrangement with the demolding column, and the ejection block is arranged in the ejection mounting groove.

Preferably, consolidate seal assembly and include left fixed plate, right fixed plate, butt joint piece and fixing bolt, all set up the butt joint piece on the butt joint face of left fixed plate and right fixed plate and injection mold subassembly, the butt joint piece closes the groove with the recess of injection mold subassembly surface, and left fixed plate passes through fixing bolt to be fixed in injection mold subassembly left side, and right fixed plate passes through fixing bolt to be fixed in injection mold subassembly right side.

Preferably, the butt joint face of the left fixing plate and the right fixing plate to the injection mold assembly is coated with a layer of sealing rubber gasket, and the left fixing plate and the right fixing plate are movably connected with the injection mold assembly through fixing bolts.

Preferably, the die sinking subassembly includes cylinder, fly leaf, gangbar and telescopic link, and the cylinder is fixed on last fixed plate top surface, and the telescopic link is connected to the output of cylinder below, and the telescopic link bottom is connected with the fly leaf, and the four corners department below the fly leaf all is fixed with the gangbar, and the below and the upper die base top surface of gangbar are connected.

Preferably, four groups of linkage rods are arranged and are respectively connected with four corners of the top surface of the upper die base, and the linkage rods are all sleeved with pressure reducing springs.

Preferably, still set up an injection molding assembly between PMKD and the upper fixed plate, the subassembly of moulding plastics includes movable mould seat, fixed die holder, moulded die, shaping groove, drawing of patterns pole and drawing of patterns groove, and movable mould seat below sets up the moulded die, and it establishes into the type groove to open in the fixed die holder, sets up the drawing of patterns pole between the moulded die, sets up the drawing of patterns groove between the shaping groove.

Preferably, the forming die and the forming grooves are arranged in two groups, the two groups of forming grooves are separated by a partition plate, a demoulding rod is arranged between the forming dies, two sides of the bottom end of the demoulding rod are connected with demoulding guide blocks, and the partition plate between the forming grooves is provided with demoulding grooves corresponding to the demoulding rod.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the demoulding device without external power for the injection mould, the bottom end of the lower mould base is fixed on the fixed bottom plate, the injection hole is formed in the upper mould base, the upper mould is arranged below the upper mould base, the lower mould groove is formed in the upper end surface of the lower mould base, the demoulding components are arranged at two side ends of the upper mould, the upper ends of the demoulding components are fixed on the lower end surface of the upper mould base, the insertion grooves are formed in two side ends of the upper mould base, the butt joint plates are arranged at two side ends of the lower mould base and are in insertion connection with the insertion grooves, the lower mould base and the upper mould base are in compression connection, injection is carried out through the injection hole, and forming is carried out in the forming cavity, so that the injection convenience is improved.

2. The demoulding device without external power for the injection mould is characterized in that the lower end of the insertion groove is provided with an ejection mounting groove, the insertion groove is clamped with the demoulding column, the ejection block is arranged in the ejection mounting groove, the upper mould base moves upwards during demoulding, the upper mould drives the demoulding column to move upwards in the upwards moving process, the ejection block at the bottom end of the demoulding column is attached to the bottom of a formed finished product, the ejection block drives the formed finished product out in the upwards moving process, demoulding is carried out while the mould is opened by the aid of the previous power source, external power is not used, production cost is low, production benefit is improved, and production cost is reduced.

3. According to the demolding device without external power for the injection mold, the right fixing plate is fixed on the right side of the injection mold assembly through the fixing bolt, the abutting surfaces of the left fixing plate and the right fixing plate to the injection mold assembly are respectively coated with the sealing rubber gasket, the left fixing plate and the right fixing plate are movably connected with the injection mold assembly through the fixing bolt, and the two ends of the pressing part of the upper mold base and the lower mold base are reinforced and sealed through the left fixing plate and the right fixing plate, so that the pressing stability is improved, the sealing effect is increased, the leakage is prevented, and the injection molding quality is improved.

4. According to the demolding device without external power for the injection mold, the air cylinder is fixed on the top surface of the upper fixed plate, the output end below the air cylinder is connected with the telescopic rod, the bottom end of the telescopic rod is connected with the movable plate, the linkage rods are fixed at four corners below the movable plate, the lower portion of each linkage rod is connected with the top surface of the movable mold base, the linkage rods are provided with four groups and are respectively connected with the four corners of the top surface of the movable mold base, the linkage rods are respectively sleeved with the decompression springs, and the air cylinder drives the movable plate to press down and move up, so that the movable mold base is driven to be opened and pressed, demolding and mold.

5. According to the demoulding device without external power for the injection mould, the two groups of forming moulds and the two groups of forming grooves are arranged, the two groups of forming grooves are separated by the partition plate, the demoulding rod is arranged between the forming moulds, the two sides of the bottom end of the demoulding rod are connected with the demoulding guide blocks, the partition plate between the forming grooves is provided with the demoulding groove corresponding to the demoulding rod, double-group injection can be carried out at one time by arranging the two groups of forming moulds and the forming grooves, the injection moulding efficiency is improved, two groups of finished products can be driven to be demoulded at one time by arranging the bidirectional demoulding guide blocks, the demoulding cost is reduced, the use convenience is improved, and the production requirements are met.

Drawings

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

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a cross-sectional view of the injection mold assembly of the present invention;

FIG. 4 is a schematic structural view of an upper mold base according to the present invention;

FIG. 5 is a schematic view of the structure of the lower die holder of the present invention;

FIG. 6 is a schematic view of a stripper assembly of the present invention;

FIG. 7 is a schematic view of a reinforced seal assembly of the present invention;

FIG. 8 is a schematic view of a mold opening assembly of the present invention;

FIG. 9 is a schematic overall structure diagram of a second embodiment of the present invention;

FIG. 10 is a half sectional view of a movable die holder structure of the present invention;

FIG. 11 is a stationary die holder of the present invention.

In the figure: 1. an upper fixing plate; 11. mounting a rod; 2. fixing the bottom plate; 3. an injection mold assembly; 31. an upper die holder; 311. a plugging groove; 32. a lower die holder; 321. a butt plate; 33. injection molding holes; 34. an upper die; 35. a lower die cavity; 36. a demolding component; 361. demoulding columns; 362. ejecting a block; 363. inserting grooves; 364. ejecting out the mounting groove; 4. reinforcing the sealing assembly; 41. a left fixing plate; 411. sealing the rubber gasket; 42. a right fixing plate; 43. a butt joint block; 44. fixing the bolt; 5. opening the mould assembly; 51. a cylinder; 52. a movable plate; 53. a linkage rod; 531. a relief spring; 54. a telescopic rod; 6. an injection molding assembly; 61. a movable die holder; 62. fixing a die holder; 64. forming a mould; 65. forming a groove; 651. a partition plate; 66. a stripper bar; 661. demoulding and guiding out the block; 67. and (4) demolding grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, a demolding device without external power for an injection mold comprises an upper fixing plate 1, two ends of the lower portion of the upper fixing plate 1 are connected with a fixing bottom plate 2 through two mounting rods 11, an injection mold assembly 3 is mounted between the fixing bottom plate 2 and the upper fixing plate 1, reinforcing and sealing assemblies 4 are arranged at two side ends of the injection mold assembly 3, a mold opening assembly 5 is arranged between the upper portion of the injection mold assembly 3 and the upper fixing plate 1, and the upper portion of the mold opening assembly 5 is mounted on the upper fixing plate 1.

Referring to fig. 2-3, the injection mold assembly 3 includes an upper mold base 31, a lower mold base 32, an injection hole 33, an upper mold 34, a lower mold groove 35 and a demolding assembly 36, the lower mold base 32 is disposed below the upper mold base 31, the bottom end of the lower mold base 32 is fixed on the fixed base plate 2, the injection hole 33 is disposed on the upper mold base 31, the upper mold 34 is disposed below the upper mold base 31, the lower mold groove 35 is disposed on the upper end surface of the lower mold base 32, the demolding assembly 36 is disposed on both sides of the upper mold 34, the upper end of the demolding assembly 36 is fixed on the lower end surface of the upper mold base 31, the insertion groove 311 is disposed on both sides of the upper mold base 31, the butt plate 321 is disposed on both sides of the lower mold base 32, the butt plate 321 is connected with the insertion groove 311 in an insertion manner, the lower mold base 32 is connected with the upper mold base 31 in a pressing manner, the lower mold base 32 and the upper mold base 31 drive the upper mold 34 and the lower, through upper die base 31 and 32 pressfittings of die holder, make inside upper die 34 and lower die cavity 35 carry out the compound die, mould plastics through injection molding hole 33, mould plastics in the shaping cavity, improve the convenience of moulding plastics, the pressfitting formula is moulded plastics, the later stage of being convenient for is got the mould.

Referring to fig. 4-6, the demolding assembly 36 includes a demolding column 361, an ejection block 362, an insertion groove 363, and an ejection mounting groove 364, the ejection block 362 is connected to the lower portion of the demolding column 361, the insertion groove 363 is formed on the inner wall of the lower mold groove 35 below the ejection block 362, the ejection mounting groove 364 is formed at the lower end of the insertion groove 363, the insertion groove 363 is engaged with the demolding column 361, the ejection block 362 is disposed in the ejection mounting groove 364, the upper mold base 31 moves upwards during demolding, the upper mold 34 drives the demolding column 361 to move upwards during the moving upwards, the ejection block 362 at the bottom end of the demolding column 361 is engaged with the bottom of the molded product, and the ejection block 362 moves upwards to take out the molded product, and demolding is performed while opening the mold by the previous power source, no external power is applied, the production cost is low, the production efficiency is improved, and the production cost is reduced.

Referring to fig. 7, the reinforced sealing assembly 4 includes a left fixing plate 41, a right fixing plate 42, a butt-joint block 43 and a fixing bolt 44, the butt-joint blocks 43 are disposed on the butt-joint surfaces of the left fixing plate 41 and the right fixing plate 42 and the injection mold assembly 3, the butt-joint block 43 is engaged with the groove on the outer surface of the injection mold assembly 3, the left fixing plate 41 is fixed on the left side of the injection mold assembly 3 by the fixing bolt 44, the right fixing plate 42 is fixed on the right side of the injection mold assembly 3 by the fixing bolt 44, the butt-joint surfaces of the injection mold assembly 3 are covered with a layer of sealing rubber gasket 411 by the left fixing plate 41 and the right fixing plate 42, the left fixing plate 41 and the right fixing plate 42 are movably connected with the injection mold assembly 3 by the fixing bolt 44, the two ends of the press-joint of the upper mold base 31 and the lower mold base 32 are reinforced, leakage is prevented, and injection molding quality is improved.

Referring to fig. 8, the mold opening assembly 5 includes a cylinder 51, a movable plate 52, a linkage rod 53 and a telescopic rod 54, the cylinder 51 is fixed on the top surface of the upper fixing plate 1, the telescopic rod 54 is connected to an output end below the cylinder 51, the bottom end of the telescopic rod 54 is connected to the movable plate 52, the linkage rods 53 are fixed at four corners below the movable plate 52, the lower portion of the linkage rods 53 is connected to the top surface of the upper mold base 31, the linkage rods 53 are provided with four groups and respectively connected to four corners of the top surface of the upper mold base 31, a pressure reducing spring 531 is sleeved on each linkage rod 53, and the cylinder 51 drives the movable plate 52 to press down and move up, so as to drive the upper mold base 31 to open and.

The working principle is as follows: the lower die holder 32 and the upper die holder 31 are pressed to drive the upper die 34 and the lower die groove 35 to be pressed together, during pressing, a gap between the upper die 34 and the lower die groove 35 is an injection molding cavity, the upper die holder 31 and the lower die holder 32 are pressed together to enable the upper die 34 and the lower die groove 35 to be matched, injection molding is carried out through the injection molding hole 33, molding is carried out in the molding cavity, during demolding, the upper die holder 31 moves upwards, during the upward moving process, the upper die 34 drives the demolding column 361 to move upwards, the ejector block 362 at the bottom end of the demolding column 361 is attached to the bottom of a molded finished product, during the upward moving process, the molded finished product is taken out, the left fixing plate 41 and the right fixing plate 42 are movably connected with the injection mold assembly 3 through the fixing bolts 44, and the two ends of the pressing part of the upper die holder 31 and the lower die holder 32 are reinforced and sealed through the left fixing plate 41 and, the cylinder 51 drives the movable plate 52 to move downward and upward, so as to drive the upper die holder 31 to open and press, thereby facilitating demolding and taking out the die.

Example two:

referring to fig. 9, a demolding device without external power for an injection mold comprises an upper fixing plate 1, two ends of the lower portion of the upper fixing plate 1 are connected with a fixing bottom plate 2 through two mounting rods 11, an injection molding assembly 6 is mounted between the fixing bottom plate 2 and the upper fixing plate 1, reinforcing sealing assemblies 4 are arranged at two side ends of the injection molding assembly 6, a mold opening assembly 5 is arranged between the upper portion of the injection molding assembly 6 and the upper fixing plate 1, the upper portion of the mold opening assembly 5 is mounted on the upper fixing plate 1, each reinforcing sealing assembly 4 comprises a left fixing plate 41, a right fixing plate 42, a butt joint block 43 and a fixing bolt 44, butt joint blocks 43 are arranged on butt joint surfaces of the left fixing plate 41 and the right fixing plate 42 and the injection molding assembly 6, the butt joint blocks 43 are engaged with grooves on the outer surface of the injection molding assembly 6, the left fixing plate 41 is fixed on the left side of the injection molding assembly 6 through the fixing bolt 44, the butt joint surfaces of the left fixing plate 41 and the right fixing plate 42 to the injection molding assembly 6 are respectively coated with a layer of sealing rubber gasket 411, the left fixing plate 41 and the right fixing plate 42 are movably connected with the injection molding assembly 6 through fixing bolts 44, two ends of the press joint of the movable mold base 61 and the fixed mold base 62 are reinforced and sealed through the left fixing plate 41 and the right fixing plate 42, the stability of the press joint is improved, the sealing effect is improved, leakage is prevented, and the injection molding quality is improved, the mold opening assembly 5 comprises a cylinder 51, a movable plate 52, linkage rods 53 and telescopic rods 54, the cylinder 51 is fixed on the top surface of the upper fixing plate 1, the output end below the cylinder 51 is connected with the telescopic rods 54, the bottom end of the telescopic rods 54 is connected with the movable plate 52, the linkage rods 53 are fixed at four corners below the movable plate 52, the lower part of the linkage rods 53 is connected, all cup jointed pressure relief spring 531 on the gangbar 53, cylinder 51 drives fly leaf 52 and pushes down and shifts up to drive movable die holder 61 die sinking and pressfitting, be convenient for carry on the drawing of patterns and get the mould, improve the practicality.

Referring to fig. 10-11, an injection molding assembly 6 is further disposed between the fixed base plate 2 and the upper fixed plate 1, the injection molding assembly 6 includes a movable mold base 61, a fixed mold base 62, a molding mold 64, a molding groove 65, a demolding rod 66 and a demolding groove 67, the molding mold 64 is disposed below the movable mold base 61, the molding groove 65 is formed in the fixed mold base 62, the demolding rod 66 is disposed between the molding molds 64, the demolding groove 67 is disposed between the molding grooves 65, the molding grooves 64 and the molding groove 65 are both provided in two sets, the two molding grooves 65 are separated by a partition plate 651, the demolding rod 66 is disposed between the molding molds 64, both sides of the bottom end of the demolding rod 66 are connected with demolding leading-out blocks, the partition plate 651 between the molding grooves 661 is provided with the demolding groove 67 corresponding to the demolding rod 66, by providing the two sets of molding molds 64 and molding grooves 65, two sets of molding grooves 661 can perform two-set, can drive two sets of finished products once only and carry out the drawing of patterns, reduce the cost of drawing of patterns, improve the convenience of using, satisfy the production demand.

The working principle is as follows: during pressing, a gap between the forming die 64 and the forming groove 65 is an injection molding cavity, the inner upper forming die 64 and the forming groove 65 are matched through pressing the movable die holder 61 and the fixed die holder 62, and are molded in the forming cavity through injection molding, during demolding, the movable die holder 61 moves upwards, in the process of moving upwards, the forming die 64 drives the demolding rod 66 to move upwards, the demolding guide block 661 at the bottom end of the demolding rod 66 is attached to the bottom of a molded finished product, in the process of moving upwards, the molded finished product is taken out, the left fixing plate 41 and the right fixing plate 42 are movably connected with the injection molding assembly 6 through the fixing bolt 44, two ends of the pressing part of the movable die holder 61 and the fixed die holder 62 are reinforced and sealed through the left fixing plate 41 and the right fixing plate 42, the pressing stability is improved, the air cylinder 51 drives the movable plate 52 to press downwards and move upwards, so as to drive the movable die holder 61 to, is convenient for demoulding and taking

In summary, according to the demolding device without external power for an injection mold provided by the present invention, the two side ends of the upper mold 34 are provided with the demolding components 36, injection molding is performed through the injection molding hole 33, when in pressing, a gap between the upper mold 34 and the lower mold 35 is an injection molding cavity, the upper mold base 31 and the lower mold base 32 are pressed to match the inner upper mold 34 and the lower mold base 35, molding is performed in the molding cavity, the lower end of the insertion groove 363 is provided with the ejection mounting groove 364, the insertion groove 363 is engaged with the demolding column 361, the ejection block 362 is arranged in the ejection mounting groove 364, during demolding, the upper mold base 31 moves upwards, during the upward movement, the upper mold 34 drives the demolding column 361 to move upwards, the ejection block 362 at the bottom end of the demolding column 361 is engaged with the bottom of the molded finished product, during the upward movement of the ejection block 362, the molded finished product is taken out, and the two ends of the pressing part of the upper mold base 31 and the lower mold base 32 are reinforced and sealed through, improve the stability of pressfitting, increase sealed effect, prevent leakage, promote the quality of moulding plastics, cylinder 51 drives fly leaf 52 and pushes down and shifts up, thereby drive movable mould base 61 die sinking and pressfitting, be convenient for carry out drawing of patterns and drawing of patterns, set up the drawing of patterns groove 67 corresponding with drawing of patterns pole 66 on the baffle 651 between the shaping groove 65, through setting up two sets of moulded die 64 and shaping groove 65, improve the convenience of moulding plastics, the pressfitting formula is moulded plastics, the later stage drawing of patterns of being convenient for, can once only carry out two groups and mould plastics, improve the efficiency of moulding plastics, derive the setting of piece 661 through two-way drawing of patterns, can once only drive two sets of finished products and carry out the drawing of patterns, reduce the cost of drawing of.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a no external power shedder for injection mold which characterized in that: including an upper fixed plate (1), the both ends of upper fixed plate (1) below are connected with PMKD (2) through two installation poles (11), install injection mold subassembly (3) between PMKD (2) and upper fixed plate (1), the both sides end of injection mold subassembly (3) sets up consolidates seal assembly (4), set up die sinking subassembly (5) between the top of injection mold subassembly (3) and upper fixed plate (1), install on upper fixed plate (1) die sinking subassembly (5) top.

2. The non-powered ejector apparatus for injection molds of claim 1, wherein: injection mold subassembly (3) include upper die base (31), die holder (32), mould hole (33) of moulding plastics, go up mould (34), lower die cavity (35) and drawing of patterns subassembly (36), the below of upper die base (31) sets up die holder (32), die holder (32) bottom mounting is on PMKD (2), mould hole (33) of moulding plastics have been seted up on upper die base (31), the below of upper die base (31) sets up mould (34), die cavity (35) down are seted up to the up end of die holder (32), the both sides end of upper die (34) sets up drawing of patterns subassembly (36), drawing of patterns subassembly (36) upper end is fixed at upper die base (31) low terminal surface.

3. A non-powered ejector apparatus for an injection mold as defined in claim 2, wherein: the injection molding machine is characterized in that insertion grooves (311) are formed in two side ends of the upper die base (31), butt joint plates (321) are arranged at two side ends of the lower die base (32), the butt joint plates (321) are connected with the insertion grooves (311) in an insertion mode, the lower die base (32) is connected with the upper die base (31) in a pressing mode, the lower die base (32) and the upper die base (31) are pressed to drive the upper die (34) and the lower die groove (35) to be pressed together, and when the upper die base (34) and the lower die groove (35) are pressed together, gaps between the upper die (34) and the.

4. A non-powered ejector apparatus for an injection mold as defined in claim 2, wherein: the demolding component (36) comprises a demolding column (361), an ejection block (362), an insertion groove (363) and an ejection mounting groove (364), the ejection block (362) is connected to the lower portion of the demolding column (361), the insertion groove (363) is formed in the inner wall of a lower mold groove (35) below the ejection block (362), the ejection mounting groove (364) is formed in the lower end of the insertion groove (363), the insertion groove (363) is clamped with the demolding column (361), and the ejection block (362) is arranged in the ejection mounting groove (364).

5. The non-powered ejector apparatus for injection molds of claim 1, wherein: consolidate seal assembly (4) including left fixed plate (41), right fixed plate (42), butt joint piece (43) and fixing bolt (44), all set up butt joint piece (43) on the butt joint face of left fixed plate (41) and right fixed plate (42) and injection mold subassembly (3), butt joint piece (43) close the groove with the recess of injection mold subassembly (3) surface, left fixed plate (41) are fixed in injection mold subassembly (3) left side through fixing bolt (44), right fixed plate (42) are fixed on injection mold subassembly (3) right side through fixing bolt (44).

6. The non-powered ejector apparatus for injection molds of claim 5, wherein: the butt joint face of the left fixing plate (41) and the right fixing plate (42) to the injection mold assembly (3) is coated with a layer of sealing rubber gasket (411), and the left fixing plate (41) and the right fixing plate (42) are movably connected with the injection mold assembly (3) through fixing bolts (44).

7. The non-powered ejector apparatus for injection molds of claim 1, wherein: the mold opening assembly (5) comprises a cylinder (51), a movable plate (52), a linkage rod (53) and a telescopic rod (54), the cylinder (51) is fixed on the top surface of the upper fixing plate (1), the telescopic rod (54) is connected with an output end below the cylinder (51), the bottom end of the telescopic rod (54) is connected with the movable plate (52), the linkage rod (53) is fixed at four corners below the movable plate (52), and the lower portion of the linkage rod (53) is connected with the top surface of the upper mold base (31).

8. The non-powered ejector apparatus for injection molds of claim 7, wherein: four groups of linkage rods (53) are arranged and are respectively connected with four corners of the top surface of the upper die base (31), and the linkage rods (53) are all sleeved with pressure reducing springs (531).

9. The non-powered ejector apparatus for injection molds of claim 1, wherein: still set up one kind and mould plastics subassembly (6) between PMKD (2) and upper fixed plate (1), mould plastics subassembly (6) including movable mould seat (61), cover half seat (62), moulded die (64), shaping groove (65), stripper rod (66) and drawing of patterns groove (67), movable mould seat (61) below sets up moulded die (64), sets up in cover half seat (62) into type groove (65), sets up stripper rod (66) between moulded die (64), sets up drawing of patterns groove (67) between shaping groove (65).

10. A non-powered mold release apparatus for an injection mold as defined in claim 9, wherein: the forming die (64) and the forming grooves (65) are both provided with two groups, the two groups of forming grooves (65) are separated by a partition plate (651), a demoulding rod (66) is installed between the forming dies (64), two sides of the bottom end of the demoulding rod (66) are connected with demoulding guide-out blocks (661), and a demoulding groove (67) corresponding to the demoulding rod (66) is formed in the partition plate (651) between the forming grooves (65).