CN213006318U

CN213006318U - Composite internal shrinkage sequential core-pulling mechanism

Info

Publication number: CN213006318U
Application number: CN202020719823.0U
Authority: CN
Inventors: 钟雄辉; 谭永强
Original assignee: Datamatic Guangzhou Injection Mould Co ltd
Current assignee: Datamatic Guangzhou Injection Mould Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-04-20
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a mechanism of loosing core in compound shrink order belongs to mould technical field. Comprises the following steps: the ejector comprises a spring plate, a movable template, a movable mold inner mold, an inner contraction assembly, an ejector sleeve and an ejector sleeve needle; the retraction assembly comprises a first retraction block, a second retraction block, a first support machine, a second support machine, a spring and a limit screw; the first supporting machine is fixed on the elastic plate, the first inward-contracting block is provided with a step, the second inward-contracting block is provided with a groove for accommodating a spring, the second inward-contracting block is fixed on the top surface of the step through a limiting screw, the limiting screw penetrates through the step and the groove, and the spring is sleeved on the limiting screw; the second internal contraction block is provided with a through groove for accommodating the ejector sleeve, the ejector sleeve vertically penetrates through the second internal contraction block, the second support machine and the elastic plate, and the ejector sleeve needle is in clearance fit with the through groove. The utility model discloses a spacing screw and spring fit realize two interior orders of taking out and loose core to solve the department's bobbin needle of shaping product erection column and the interference problem of interior taking out.

Description

Composite internal shrinkage sequential core-pulling mechanism

Technical Field

The utility model relates to the technical field of mold, especially, relate to compound interior shrink sequence mechanism of loosing core.

Background

The traditional design is a common internal drawing mechanism, which comprises a single internal drawing slide block, two supporting machines, an elastic plate or an oil cylinder and the like. Two upper and lower regions of the side surface of the product need to be internally pulled for core pulling and demolding, however, an assembly column is arranged between the two regions, and therefore a structure of the assembly column of the molded product needs to be arranged. Because two regions of loosing core are in the same side of product, traditional interior mechanism of taking out is because the mechanism occupies a space great, is difficult to realize two interior drawing and satisfies the drawing of patterns demand of product, and interior drawing and the mechanism of shaping ejection assembly post produce the interference problem easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's defect, the utility model provides a technical problem key lies in proposing the compound interior order mechanism of loosing core that contracts, the utility model discloses a cooperation such as stop screw and spring realizes loosing core in two in the order of loosing core to solve the department's section of thick bamboo needle of shaping product erection column and the interference problem of interior taking out.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a mechanism of loosing core in compound shrink order, including: the assembling column ejection device comprises an elastic plate, a movable template arranged at the top of the elastic plate, a movable mold internal mold embedded in the movable template, an internal contraction component, a cylinder ejector pin for molding the assembling column and a cylinder ejector for ejecting the assembling column;

the retraction assembly comprises a first retraction block, a second retraction block, a first support machine for driving the first retraction block to slide, a second support machine for guiding and supporting the first retraction block to slide, a spring and a limit screw; the first supporting machine is fixed on the elastic plate, the second supporting machine, the first inward-contracting block and the second inward-contracting block are all arranged in the movable mould, the first inward-contracting block is provided with a step, a groove for accommodating the spring is formed in the second inward-contracting block, the second inward-contracting block is limited in the step through the limiting screw and keeps certain mobility, the limiting screw penetrates through the step and the groove, and the spring is sleeved on the limiting screw and is in a compressed state;

the second internal contraction block is provided with a through groove used for containing the ejector sleeve, the ejector sleeve vertically penetrates through the second internal contraction block, the second support machine and the elastic plate, and the ejector sleeve needle is in clearance fit with the through groove.

Furthermore, a first sliding groove is formed in the end face, close to the first inward-contracting block, of the first support machine, a first T-shaped block is fixed to one end face of the first inward-contracting block, and the first T-shaped block is filled in the first sliding groove.

Furthermore, a first positioning bolt is arranged on the first T-shaped block and penetrates through the first T-shaped block and is inserted into the first inner shrinkage block.

Furthermore, a second sliding groove is formed in the end face, close to the second support machine, of the first inward-shrinkage block, the second sliding groove is filled with a second T-shaped block, and the second T-shaped block is fixedly connected with the end face, facing the first inward-shrinkage block, of the second support machine.

Optionally, a second positioning bolt is arranged on the second T-shaped block, and the second positioning bolt penetrates through the second T-shaped block and is inserted into the second support machine.

Furthermore, an abrasion-resistant plate is fixed on one end face, close to the movable mould inner mould, of the first inner shrinkage block, and the abrasion-resistant plate is located between the first inner shrinkage block and the movable mould inner mould.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a department's section of thick bamboo and department's section of thick bamboo needle that is provided with the piece that contracts in running through the second, second props machine, diving board, department's section of thick bamboo for ejecting the assembly post is seted up logical groove and is used for the department's section of thick bamboo clearance fit of shaping assembly post, and department's section of thick bamboo can take out, convenient dismantlement, department's section of thick bamboo needle and interior take out not produce the interference problem;

the first inner contraction block is provided with a step, a groove used for containing the spring is formed in the second inner contraction block, the second inner contraction block is limited in the step through the limiting screw and keeps certain mobility, the first inner contraction block firstly conducts core pulling movement for a certain distance, the second inner contraction block is static and fixed under the action of the elastic force of the spring, and the second inner contraction block starts to conduct synchronous equidirectional movement with the first inner contraction block to conduct core pulling until the driving surface of the first support machine is in end face contact with the limiting screw, so that double inner pulling sequential core pulling is achieved. The limit screw and the spring are designed in series, so that the stroke of the second inner contraction block is reduced, two inner contractions can be realized, the same driving structure is used, different strokes are provided, and the difficult problem in core pulling stroke design can be flexibly solved.

Drawings

Fig. 1 is a schematic structural diagram of a composite inward-contracting sequential core-pulling mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an retraction assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of a first cross-sectional structure of the retraction assembly according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a retraction assembly according to an embodiment of the present invention.

In the figure:

1. a spring plate; 2. moving the template; 3. moving the mold inner mold; 4. a first retraction block; 41. a second retraction block; 42. A first support machine; 43. a second supporting machine; 44. a spring; 45. a limiting screw; 5. a ejector sleeve; 6. a sleeve ejecting needle; 7. a groove; 8. a first T-shaped block; 9. a second T-shaped block; 10. a first positioning bolt; 11. a second positioning bolt; 12. a wear plate; 13. and (5) producing the product.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 and fig. 2, the utility model provides a composite internal shrinkage sequential core-pulling mechanism, including: the assembling column forming device comprises an elastic plate 1, a movable template 2 arranged at the top of the elastic plate 1, a movable mold inner mold 3 embedded in the movable template 2, an inward-contracting component, a ejector sleeve 5 used for forming the assembling column and an ejector sleeve 6 used for ejecting the assembling column; the retraction assembly comprises a first retraction block 4, a second retraction block 41, a first support machine 42 for driving the first retraction block 4 to slide, a second support machine 43 for guiding and supporting the first retraction block 4 to slide, a spring 44 and a limit screw 45; the first supporting machine 42 is fixed on the elastic plate 1, the second supporting machine 43, the first inner contraction block 4 and the second inner contraction block 41 are all arranged in the movable die inner die 3, the first inner contraction block 4 is provided with a step, a groove 7 for accommodating a spring 44 is formed in the second inner contraction block 41, the second inner contraction block 41 is limited in the step through a limiting screw 45 and keeps certain mobility, the limiting screw 45 penetrates through the step and the groove 7, and the spring 44 is sleeved on the limiting screw 45 and is in a compressed state; the second internal contraction block 41 is provided with a through groove for accommodating the ejector 5, the ejector 5 vertically penetrates through the second internal contraction block 41, the second support machine 43 and the spring plate 1, and the ejector pin 6 is in clearance fit with the through groove.

The utility model discloses during the die sinking, 1 first toward the movable mould direction of diving board is opened, it makes the first 4 slant motion of the first interior piece that contracts to drive the first machine 42 that props, contract piece 4 in first relatively, first the vertical downward removal of machine 42 that props, first terminal surface central authorities that prop machine 42 towards first interior piece 4 are the drive face, the second interior piece 41 that contracts keeps static, the second props machine 43 whole journey and keeps static with movable mould board 2 and movable mould centre form 3, first interior piece 4 that contracts moves when the first drive face that

props machine

42 and 45 end face contaction of spacing screw, the second interior piece 41 that contracts begins to loose core with the synchronous concerted motion of first interior piece 4 that contracts, thereby realize two interior orders of loosing core. The mould closing and resetting of the inner contraction block is the reverse process of the process; the limiting screw 45 can be used for transmitting the driving force of the first inward-contracting block 4 to the second inward-contracting block 41, the spring 44 is used for keeping the second inward-contracting block 41 stationary and sleeved on the limiting screw 45, one end of the limiting screw 45 is inserted into the second inward-contracting block 41, the spring 44 is positioned in the groove 7, the first supporting machine 42 is used for driving the first inward-contracting block 4, and the first inward-contracting block 4 and the second inward-contracting block 41 are used for obliquely pulling cores; the second supporting machine 43 is used for supporting and guiding the movement of the first retraction block 4, and the second retraction block 41 is arranged on one side of the step top surface of the first retraction block 4; the ejector sleeve 5 and the ejector sleeve needle 6 penetrating through the second inner contraction block 41, the second support machine 43 and the elastic plate 1 are arranged, the ejector sleeve 5 ejecting the assembly column is provided with a through groove in clearance fit with the ejector sleeve needle 6 used for forming the assembly column, the ejector sleeve 5 can be taken out, disassembly is convenient, and the ejector sleeve needle 6 does not interfere with the inner drawer. First machine 42 installation of propping is fixed on springboard 1, and the second props the installation of machine 43 and fixes in movable mould centre form 3, and product 13 does the utility model discloses shaping product 13 on the movable mould centre form 3.

Furthermore, a first sliding groove is formed in the end face, close to the first inner contracting block 4, of the first supporting machine 42, a first T-shaped block 8 is fixed to one end face of the first inner contracting block 4, and the first T-shaped block 8 is filled in the first sliding groove.

Furthermore, a first positioning bolt 10 is arranged on the first T-shaped block 8, and the first positioning bolt 10 penetrates through the first T-shaped block 8 and is inserted into the first inner contraction block 4. The first T-shaped block 8 is in sliding fit with the first sliding groove and used for guiding the first inner contraction block 4 to move, and the first support 42 and the first inner contraction block 4 are connected through the fit of the first T-shaped block 8 and the first sliding groove. As shown in fig. 3, the first T-shaped block 8 is arranged along an inclined surface of the first support 42 inclined toward the upper left, and the first T-shaped block 8 slides along the inclined surface of the first support 42 inclined toward the upper left; the first positioning bolt 10 is used for fixing the first T-shaped block 8 on the end face of the first retraction block 4 close to the first support 42.

Further, the end face, close to the second expanding machine 43, of the first inward-contracting block 4 is provided with a second sliding groove, the second sliding groove is filled with a second T-shaped block 9, and the second T-shaped block 9 and the second expanding machine 43 are fixedly connected towards the end face of the first inward-contracting block 4.

Furthermore, a second positioning bolt 11 is arranged on the second T-shaped block 9, and the second positioning bolt 11 penetrates through the second T-shaped block 9 and is inserted into the second support 43. A second T-shaped block 9 is arranged to be in sliding fit with the second sliding groove and used for guiding the first retraction block 4 to move. As shown in fig. 4, fig. 4 is a schematic cross-sectional structure view of the rear side of fig. 3, the second T-shaped block 9 is oriented along the inclined surface of the second support 43 facing upward and rightward; the second T-shaped block 9 slides along the inclined surface of the second support 43 towards the upper right; the second positioning bolt 11 is used for fixing the second T-shaped block 9 on the second support machine 41;

further, an abrasion-resistant plate 12 is fixed on one end face of the first inner shrinkage block 4 close to the movable mould inner mould 3, and the abrasion-resistant plate 12 is located between the first inner shrinkage block 4 and the movable mould inner mould 3. The arrangement of the wear-resisting plate 12 can effectively reduce the friction between the first inner shrinkage block 4 and the movable die inner die 3, and the effective service life of the first inner shrinkage block 4 and the movable die inner die 3 is prolonged.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. Compound interior shrink order mechanism of loosing core, its characterized in that including: the assembling column ejection device comprises an elastic plate, a movable template arranged at the top of the elastic plate, a movable mold internal mold embedded in the movable template, an internal contraction component, a cylinder ejector pin for molding the assembling column and a cylinder ejector for ejecting the assembling column;

2. The compound retracting sequential core pulling mechanism according to claim 1, wherein:

a first sliding groove is formed in the end face, close to the first inner shrinkage block, of the first support machine, a first T-shaped block is fixed to one end face of the first inner shrinkage block, and the first T-shaped block is filled in the first sliding groove.

3. The compound retracting sequential core pulling mechanism according to claim 2, wherein:

and a first positioning bolt is arranged on the first T-shaped block and penetrates through the first T-shaped block and is inserted into the first inner shrinkage block.

4. The compound retracting sequential core pulling mechanism according to claim 1, wherein:

the end face, close to the second support machine, of the first inner contraction block is provided with a second sliding groove, a second T-shaped block is filled in the second sliding groove, and the second T-shaped block is fixedly connected with the end face, facing the first inner contraction block, of the second support machine.

5. The compound retracting sequential core pulling mechanism according to claim 4, wherein:

and a second positioning bolt is arranged on the second T-shaped block, penetrates through the second T-shaped block and is inserted into the second support machine.

6. The compound retracting sequential core pulling mechanism according to claim 1, wherein:

an abrasion-resistant plate is fixed on one end face, close to the movable die inner die, of the first inner shrinkage block, and the abrasion-resistant plate is located between the first inner shrinkage block and the movable die inner die.