CN112829202A

CN112829202A - Double-position injection mold

Info

Publication number: CN112829202A
Application number: CN202011521967.6A
Authority: CN
Inventors: 于洋; 吴波
Original assignee: Chuzhou Dongsheng Machinery Technology Co ltd
Current assignee: Chuzhou Dongsheng Machinery Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-05-25

Abstract

The invention discloses a double-position injection mold, which relates to the technical field of injection molds and comprises an operation bottom plate, an upper mold plate and a lower mold plate, wherein the upper surface of the operation bottom plate is fixedly connected with an operation box, the bottom surface of the upper mold plate is provided with two upper mold cavities, the upper surface of the lower mold plate is provided with two lower mold cavities, the upper surface of the upper mold plate is provided with two glue injection holes, and the bottom ends of the two glue injection holes are respectively communicated with the upper ends of the two upper mold cavities. According to the invention, through the mutual matching of the structures, the plastic injection mold has the advantages that plastic products with different shapes can be simultaneously injected, the upper template and the lower template are automatically aligned and fixed before injection molding, finished products in the two mold cavities are automatically ejected after injection molding is finished, the stability of the device is good, the production efficiency is greatly improved, the production cost is reduced, and the problems that the traditional injection mold is single in function, low in use efficiency and not beneficial to reducing the production cost are solved.

Description

Double-position injection mold

Technical Field

The invention relates to the technical field of injection molds, in particular to a double-position injection mold.

Background

Injection mold comprises movable mould and cover half, the movable mould is installed on injection molding machine's movable mould board, the cover half is installed on injection molding machine's fixed die board, movable mould and cover half closure constitute gating system and die cavity when injection molding, movable mould and cover half separation are in order to take out plastic products during the die sinking, and traditional injection mold adopts single die cavity to mould plastics mostly, and the finished product of moulding plastics different forms need prepare a plurality of moulds to use, this not only causes the waste on the cost, and has reduced the efficiency of the production of moulding plastics, traditional injection mold movable mould is connected unstably with the cover half simultaneously, and can't be fine carry out its neat cooperation with movable mould and cover half, and manual operation has increased operating personnel's intensity of labour to its mode, it is very inconvenient in the in-service use process.

Disclosure of Invention

The invention aims to provide a double-position injection mold which can simultaneously perform injection molding on plastic products with different forms, automatically align and fix an upper template and a lower template before injection molding, automatically eject finished products in two mold cavities after injection molding is finished, has good device stability, greatly improves the production efficiency, reduces the production cost, and solves the problems of single function, low use efficiency and unfavorable reduction of the production cost of the traditional injection mold.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a two-position injection mold, includes operation bottom plate, cope match-plate pattern and lower bolster, the last fixed surface of operation bottom plate is connected with the control box, two upper die cavities have been seted up to the bottom surface of cope match-plate pattern, two lower die cavities have been seted up to the upper surface of lower bolster, two glue injection holes have been seted up to the upper surface of cope match-plate pattern, two the bottom in glue injection hole is respectively with two the upper end of upper die cavity is linked together.

The inner wall of the operation box is provided with a centering matching mechanism, the centering matching mechanism comprises two first hinged rods, the bottom surfaces of the two first hinged rods are hinged with a first fixed plate, the bottom surfaces of the two first fixed plates are fixedly connected with the inner wall of the operation box, the upper ends of the two first hinged rods are hinged with a second hinged rod, the opposite ends of the two second hinged rods are hinged with a third hinged rod, the bottom ends of the two third hinged rods are hinged with a second fixed plate, the bottom surfaces of the two second fixed plates are fixedly connected with the inner wall of the operation box, the upper surfaces of the two second hinged rods are fixedly connected with bent rods, the opposite sides of the two bent rods are fixedly connected with fixed sleeves, the inner walls of the two fixed sleeves are respectively and slidably connected with sliding columns, the opposite sides of the two sliding columns are respectively and fixedly connected with springs, and the opposite ends of the two springs are respectively and fixedly connected with the opposite sides of the two bent rods, and the opposite sides of the two sliding columns are provided with protective mechanisms, and the opposite sides of the two third hinge rods are provided with driving mechanisms.

Preferably, the driving mechanism comprises two third fixing plates, opposite sides of the two third fixing plates are fixedly connected with opposite sides of the two third hinge rods respectively, surfaces of the two third fixing plates are hinged with driving rods, limiting grooves are formed in the inner wall of the operating box, two limiting blocks are connected to inner walls of the two limiting grooves in a sliding mode, moving plates are fixedly connected to upper surfaces of the two limiting blocks, flat grooves are formed in surfaces of the two moving plates in a penetrating mode, first moving columns are connected to inner walls of the two flat grooves in a sliding mode, transverse moving plates are connected to back sides of the two first moving columns in a sliding mode, second moving columns are fixedly connected to back opposite ends of the two transverse moving plates, and ejection mechanisms are arranged on surfaces of the two transverse moving plates.

Preferably, the inner wall fixedly connected with two swash plates of control box, two the bottom surface of swash plate all with the inner wall fixed connection of control box, two the surface of swash plate all runs through and is provided with the chute, two the armshaft of second removal post is respectively along two the inner wall of chute slides, two the front of second removal post is respectively with two the relative end hinge joint of actuating lever.

Preferably, two equal fixedly connected with fixed plate four of opposite side of movable plate, two the surface of fixed plate four all articulates there is the bull stick, two the looks remote site of bull stick articulates jointly has the translation pole, the upper end fixedly connected with of control box inner wall reciprocates electric putter, the putter head of reciprocating electric putter with the fixed surface of translation pole is connected.

Preferably, the protection mechanism comprises two abutting plates, and opposite sides of the two abutting plates are fixedly connected with opposite sides of the two sliding columns respectively.

Preferably, the opposite sides of the two abutting plates are fixedly connected with rubber layers, and anti-skid grains are arranged on the surfaces of the two rubber layers.

Preferably, the ejection mechanism comprises two fixing plates five, the bottom surfaces of the two fixing plates five are fixedly connected with the surfaces of the two transverse moving plates respectively, the surfaces of the two fixing plates five are hinged with a hinged plate four, and the operation box and the inner wall of the lower template are connected with two ejector rods in a sliding mode together.

Preferably, the bottom ends of the two top rods are hinged with the upper ends of the two hinge plates respectively.

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

when the injection molding device is used, an operator firstly places the upper template on the upper surface of the lower template and enables the positions of the two upper die cavities to correspond to the positions of the two lower die cavities, and then the injection molding operation can be carried out by respectively injecting sol into the two die cavities through the two glue injection holes, so that two finished products in different forms can be simultaneously injected.

The invention is provided with the operation bottom plate, the upper template, the lower template, the operation box, the upper die cavity, the lower die cavity and the glue injection hole, the left third hinge rod rotates clockwise, the right third hinge rod rotates anticlockwise to drive the rubber layers fixed on the two abutting plates to move relatively and abut against the two sides of the upper template, so that the upper template and the lower template are limited while being aligned in the middle, the upper template is prevented from loosening in the injection molding process, the two upper die cavities are respectively aligned with the two lower die cavities, the use of operators is facilitated, the normal operation of the injection molding process is ensured, the two rubber layers are abutted against the two sides of the upper template and deformed while exerting downward force on the upper template in the synchronous downward moving process of the two fixing sleeves, and further the upper template is prevented from moving up and down in the injection molding process while the upper template and the lower template are tightly attached, the stability of the device is further ensured.

According to the invention, through arranging the driving rod, the limiting groove, the limiting block, the moving plate, the flat groove, the first moving column, the transverse moving plate, the second moving column, the inclined plate, the inclined groove, the fixed plate IV, the rotating rod, the translation rod and the reciprocating electric push rod, an operator starts the reciprocating electric push rod, and drives the translation rod to move upwards through the contraction of the push rod head of the reciprocating electric push rod, so that the two second moving columns move downwards while performing relative motion, the two second moving columns perform downwards moving process while performing relative motion, and the two third hinge connecting rods respectively rotate by taking the two fixed plates II as axes under the transmission of the two driving rods, the left third hinge connecting rod rotates clockwise, and the right third hinge connecting rod rotates anticlockwise.

According to the invention, through the arrangement of the fifth fixing plate, the fourth hinged plate and the ejector rods, the two fourth hinged plates are driven to move through the downward movement process of the two traverse plates, and then the two ejector rods are driven to synchronously move downwards so as to be respectively far away from the two lower die cavities, at the moment, the operation can be carried out by respectively injecting the sol into the two die cavities through the two glue injection holes for injection molding, after the sol is formed, an operator reversely starts the reciprocating electric push rod, the two rubber layers are respectively separated from the two sides of the upper die plate through the extension of the push rod head of the reciprocating electric push rod, so that the limit on the upper die plate is released, and simultaneously the two ejector rods are respectively driven to move upwards through the upwards movement of the four hinged plates, so.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic diagram of the structure of FIG. 1 in a motion state according to the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 4 is a front cross-sectional view of a portion of the structure of FIG. 1 in accordance with the present invention;

fig. 5 is a cross-sectional view of a portion of the structure of fig. 2 at B-B in accordance with the present invention.

In the figure: 1. operating the bottom plate; 2. mounting a template; 3. a lower template; 4. an operation box; 5. a first hinge lever; 6. a first fixing plate; 7. a second fixing plate; 8. an upper mold cavity; 9. a lower die cavity; 10. injecting glue holes; 11. bending a rod; 12. fixing the sleeve; 13. a traveler; 14. a spring; 15. a third fixing plate; 16. a drive rod; 17. a limiting groove; 18. a limiting block; 19. moving the plate; 20. flattening the groove; 21. a first moving column; 22. transversely moving the plate; 23. a second moving column; 24. a sloping plate; 25. a chute; 26. fixing a plate IV; 27. a rotating rod; 28. a translation rod; 29. a reciprocating electric push rod; 30. a butt joint plate; 31. a rubber layer; 32. a fifth fixing plate; 33. a hinge plate IV; 34. a top rod; 35. a second hinge lever; 36. a third hinge rod.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a two-position injection mold, includes operation bottom plate 1, cope match-plate pattern 2 and lower bolster 3, the last fixed surface of operation bottom plate 1 is connected with control box 4, two upper die cavities 8 have been seted up to the bottom surface of cope match-plate pattern 2, two lower die cavities 9 have been seted up to the upper surface of lower bolster 3, two glue injection hole 10, two have been seted up to the upper surface of cope match-plate pattern 2 the bottom in glue injection hole 10 respectively with two the upper end of upper die cavity 8 is linked together.

The inner wall of the operation box 4 is provided with a centering matching mechanism, the centering matching mechanism comprises two first hinged rods 5, the bottom surfaces of the two first hinged rods 5 are hinged with a first fixing plate 6, the bottom surfaces of the two first fixing plates 6 are fixedly connected with the inner wall of the operation box 4, the upper ends of the two first hinged rods 5 are hinged with a second hinged rod 35, the opposite ends of the two second hinged rods 35 are hinged with third hinged rods 36, the bottom ends of the two third hinged rods 36 are hinged with a second fixing plate 7, the bottom surfaces of the two second fixing plates 7 are fixedly connected with the inner wall of the operation box 4, the upper surfaces of the two second hinged rods 35 are fixedly connected with bent rods 11, the opposite sides of the two bent rods 11 are fixedly connected with fixing sleeves 12, and the inner walls of the two fixing sleeves 12 are slidably connected with sliding columns 13, when the die is used, an operator firstly places the upper die plate 2 on the upper surface of the lower die plate 3, positions of the two upper die cavities 8 correspond to positions of the two lower die cavities 9, the left third hinge rod 36 rotates clockwise, the right third hinge rod 36 rotates anticlockwise, so that the two first hinge rods 5 are driven to respectively rotate synchronously along with the two third hinge rods 36, the two second hinge rods 35 respectively move downwards while moving relatively, and the two bent rods 11 are respectively driven to move synchronously through the process that the two second hinge rods 35 respectively move downwards while moving relatively, so that the two fixing sleeves 12 are driven to move synchronously, thereby enabling the two fixing sleeves 12 to move downwards while moving relatively, driving the rubber layers 31 fixed on the two abutting plates 30 to move relatively and abut against the two sides of the upper template 2 in the process of relative movement of the two fixing sleeves 12, thereby limiting the upper template 2 while aligning the upper template 2 and the lower template 3 in the middle, preventing the upper template 2 from loosening in the injection molding process, and enabling the two upper die cavities 8 to be respectively aligned with the two lower die cavities 9, facilitating the use of operators, ensuring the normal operation of the injection molding process, enabling the two rubber layers 31 to deform while abutting against the two sides of the upper template 2 and applying a downward force to the upper template 2 in the process of synchronous downward movement of the two fixing sleeves 12, further avoiding the upper template 2 from moving upwards and downwards in the injection molding process when the upper template 2 is more tightly attached to the lower template 3, further ensuring the stability of the device, the two said sliding columns 13 are provided with protection means on opposite sides and the two said third hinge rods 36 are provided with drive means on opposite sides.

In the above scheme, specifically, the driving mechanism includes two fixed plates three 15, opposite sides of the two fixed plates three 15 are respectively fixedly connected with opposite sides of two third hinge rods 36, surfaces of the two fixed plates three 15 are both hinged with driving rods 16, an inner wall of the operation box 4 is provided with a limiting groove 17, inner walls of the two limiting grooves 17 are slidably connected with two limiting blocks 18, upper surfaces of the two limiting blocks 18 are both fixedly connected with moving plates 19, surfaces of the two moving plates 19 are both provided with flat grooves 20 in a penetrating manner, inner walls of the two flat grooves 20 are both slidably connected with first moving columns 21, back sides of the two first moving columns 21 are both fixedly connected with transverse moving plates 22, opposite ends of the two transverse moving plates 22 are both fixedly connected with second moving columns 23, surfaces of the two transverse moving plates 22 are provided with ejection mechanisms, inner walls of the operation box 4 are fixedly connected with two inclined plates 24, the bottom surfaces of the two sloping plates 24 are fixedly connected with the inner wall of the operation box 4, the surfaces of the two sloping plates 24 are respectively provided with a chute 25 in a penetrating way, the shaft arms of the two second moving columns 23 respectively slide along the inner walls of the two chutes 25, the front surfaces of the two second moving columns 23 are respectively hinged with the opposite ends of the two driving rods 16, the opposite sides of the two moving plates 19 are respectively and fixedly connected with a fixed plate four 26, the surfaces of the two fixed plate four 26 are respectively hinged with a rotating rod 27, the opposite ends of the two rotating rods 27 are jointly hinged with a translation rod 28, the upper end of the inner wall of the operation box 4 is fixedly connected with a reciprocating electric push rod 29, the push head of the reciprocating electric push rod 29 is fixedly connected with the surface of the translation rod 28, an operator starts the reciprocating electric push rod 29, and drives the translation rod 28 to move upwards through the contraction of the push head, the two rotating rods 27 pull the two fixed plates four 26 to move relatively through the process of moving the translation rod 28 upwards, so as to drive the two moving plates 19 to move relatively under the limit of the two limit blocks 18, the two first moving columns 21 are driven to move relatively through the process of moving the two moving plates 19 relatively, the two traverse plates 22 are driven to move relatively through the process of moving the two first moving columns 21 relatively, the two second moving columns 23 are driven to slide downwards along the inner walls of the two chutes 25 simultaneously through the process of moving the two traverse plates 22 relatively, so as to move the two second moving columns 23 downwards simultaneously through the process of moving the two second moving columns 23 relatively and rotate the two third hinge rods 36 around the two fixed plates two 7 respectively under the transmission of the two driving rods 16, the left third hinge rod 36 performs clockwise rotation and the right third hinge rod 36 performs counterclockwise rotation.

In the above scheme, it is concrete, protection machanism includes two butt joint boards 30, two butt joint board 30 back of the body side respectively with two opposite side fixed connection of traveller 13, two butt joint board 30's equal fixedly connected with rubber layer 31 of opposite side, two anti-skidding line has all been seted up on the surface of rubber layer 31, the process of carrying out relative motion through two fixed sleeves 12 drives two butt joint board 30 go up fixed rubber layer 31 and carry out relative motion and carry out the butt with the both sides of cope match-plate pattern 2 to make cope match-plate pattern 2 and lower bolster 3 carry out spacing to cope match-plate pattern 2 when aligning between two parties, prevent to mould plastics in-process cope match-plate pattern 2 and take place the form when two cope match-plate pattern 8 respectively align with two lower die cavities 9, made things convenient for operating personnel's use, guaranteed the normal clear of the process of moulding plastics, and the process of moving down through two fixed sleeves 12 makes two rubber layers 31 and the both sides butt of cope Become and exert decurrent power to cope match-plate pattern 2, and then further avoided cope match-plate pattern 2 to reciprocate in the process of moulding plastics taking place when making cope match-plate pattern 2 and the laminating of lower bolster 3 inseparabler, further guaranteed the stability of device.

In the above scheme, specifically, the ejection mechanism includes two fixing plates five 32, the bottom surfaces of the two fixing plates five 32 are respectively and fixedly connected with the surfaces of the two traverse plates 22, the surfaces of the two fixing plates five 32 are hinged with a hinged plate four 33, the inner walls of the operating box 4 and the lower template 3 are jointly and slidably connected with two ejector rods 34, the bottom ends of the two ejector rods 34 are respectively hinged with the upper ends of the two hinged plates four 33, in the injection molding process, the two hinged plates four 33 are driven to move through the process of downward movement of the two traverse plates 22, so as to drive the two ejector rods 34 to synchronously move downward and respectively keep away from the two lower mold cavities 9, at this time, the operation can respectively inject the sol into the two mold cavities through the two glue injection holes 10 for injection molding operation, after the sol is molded, the operator reversely starts the reciprocating electric push rod 29, and drives the two rubber layers 31 to respectively separate from the two sides of the upper mold plate 2 through, and then the upper die plate 2 is relieved from being limited, and the two ejector rods 34 are driven to move upwards respectively through the upward movement of the two hinge plates four 33, so that the injection molding piece is automatically ejected out, and the operating efficiency of an operator is improved.

The working principle is as follows: when the double-position injection mold is used, an operator firstly places the upper mold plate 2 on the upper surface of the lower mold plate 3, the positions of the two upper mold cavities 8 correspond to the positions of the two lower mold cavities 9, then the operator starts the reciprocating electric push rod 29, the translation rod 28 is driven to move upwards by the contraction of the push head of the reciprocating electric push rod 29, the two rotating rods 27 drive the two fixed plates 26 to move relatively through the upward movement process of the translation rod 28, so as to drive the two movable plates 19 to move relatively under the limit of the two limit blocks 18 respectively, the two first movable columns 21 are driven to move relatively through the relative movement process of the two movable plates 19, the two transverse moving plates 22 are driven to move relatively through the relative movement process of the two transverse moving plates 21, the two second movable columns 23 are driven to slide downwards along the inner walls of the two inclined grooves 25 respectively through the relative movement process of the two transverse moving plates 22, so that the two second moving columns 23 move downwards while moving relatively, the two third hinge rods 36 rotate around the two fixed plates 7 respectively in the process of moving downwards while moving relatively through the two second moving columns 23, the left third hinge rod 36 rotates clockwise and the right third hinge rod 36 rotates counterclockwise under the transmission of the two driving rods 16, so as to drive the two first hinge rods 5 to rotate synchronously with the two third hinge rods 36 respectively, so that the two second hinge rods 35 move downwards while moving relatively, the two bent rods 11 are driven to move synchronously while moving downwards while moving relatively through the process of moving downwards while moving relatively through the two second hinge rods 35, and the two fixed sleeves 12 are driven to move synchronously, so that the two fixed sleeves 12 move downwards while moving relatively, the rubber layers 31 fixed on the two abutting plates 30 are driven to move relatively and abut against the two sides of the upper template 2 in the process of relative movement of the two fixing sleeves 12, so that the upper template 2 and the lower template 3 are aligned in the middle and the upper template 2 is limited, the upper template 2 is prevented from loosening in the injection molding process, the two upper die cavities 8 are respectively aligned with the two lower die cavities 9, the use of operators is facilitated, the normal operation of the injection molding process is ensured, the two rubber layers 31 are deformed and downward force is applied to the upper template 2 while abutting against the two sides of the upper template 2 in the synchronous downward moving process of the two fixing sleeves 12, the upper template 2 and the lower template 3 are attached more tightly, the upper template 2 is further prevented from moving up and down in the injection molding process, and the stability of the device is further ensured, meanwhile, the two hinged plates four 33 are driven to move through the process of downward movement of the two transverse moving plates 22, and then the two ejector rods 34 are driven to synchronously move downwards so as to be away from the two lower die cavities 9 respectively, at the moment, the operation can be performed by injecting the sol into the two die cavities through the two glue injection holes 10 respectively for injection molding operation, after the sol is molded, an operator reversely starts the reciprocating electric push rod 29, the two rubber layers 31 are driven to be separated from the two sides of the upper die plate 2 respectively through the extension of the push rod head of the reciprocating electric push rod 29, so that the limitation on the upper die plate 2 is relieved, and meanwhile, the two ejector rods 34 are driven to move upwards through the upward movement of the two hinged plates four 33 respectively, so that the injection molding parts are.

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

Claims

1. The utility model provides a dibit injection mold, includes operation bottom plate (1), cope match-plate pattern (2) and lower bolster (3), its characterized in that: the upper surface of the operation bottom plate (1) is fixedly connected with an operation box (4), the bottom surface of the upper template (2) is provided with two upper die cavities (8), the upper surface of the lower template (3) is provided with two lower die cavities (9), the upper surface of the upper template (2) is provided with two glue injection holes (10), and the bottom ends of the two glue injection holes (10) are respectively communicated with the upper ends of the two upper die cavities (8);

the inner wall of the operation box (4) is provided with a centering matching mechanism, the centering matching mechanism comprises two first hinged rods (5), the bottom surfaces of the two first hinged rods (5) are hinged with a first fixed plate (6), the bottom surfaces of the two first fixed plates (6) are fixedly connected with the inner wall of the operation box (4), the upper ends of the two first hinged rods (5) are hinged with second hinged rods (35), the opposite ends of the two second hinged rods (35) are hinged with third hinged rods (36), the bottom ends of the two third hinged rods (36) are hinged with a second fixed plate (7), the bottom surfaces of the two second fixed plates (7) are fixedly connected with the inner wall of the operation box (4), the upper surfaces of the two second hinged rods (35) are fixedly connected with bent rods (11), and the opposite sides of the two bent rods (11) are fixedly connected with fixed sleeves (12), the inner walls of the two fixing sleeves (12) are respectively connected with sliding columns (13) in a sliding mode, the opposite sides of the two sliding columns (13) are respectively fixedly connected with springs (14), the opposite ends of the two springs (14) are respectively fixedly connected with the opposite sides of the two bent rods (11), the opposite sides of the two sliding columns (13) are provided with protection mechanisms, and the opposite sides of the two third hinge rods (36) are provided with driving mechanisms.

2. The dual position injection mold of claim 1, wherein: the driving mechanism comprises two third fixing plates (15), the opposite sides of the two third fixing plates (15) are fixedly connected with the opposite sides of two third hinge rods (36), driving rods (16) are hinged to the surfaces of the two third fixing plates (15), limiting grooves (17) are formed in the inner wall of the operating box (4), two limiting blocks (18) are connected to the inner walls of the two limiting grooves (17) in a sliding mode, moving plates (19) are fixedly connected to the upper surfaces of the two limiting blocks (18), flat grooves (20) are arranged on the surfaces of the two moving plates (19) in a penetrating mode, first moving columns (21) are connected to the inner walls of the two flat grooves (20) in a sliding mode, transverse moving plates (22) are fixedly connected to the back sides of the two first moving columns (21), and second moving columns (23) are fixedly connected to the opposite ends of the two transverse moving plates (22), the surfaces of the two traverse plates (22) are provided with ejection mechanisms.

3. The dual position injection mold of claim 2, wherein: the inner wall fixedly connected with of control box (4) two swash plates (24), two the bottom surface of swash plate (24) all with the inner wall fixed connection of control box (4), two the surface of swash plate (24) all runs through and is provided with chute (25), two the armshaft of second removal post (23) is respectively along two the inner wall of chute (25) slides, two the front of second removal post (23) is respectively with two the looks remote site of actuating lever (16) is articulated.

4. A dual position injection mold as defined in claim 3, wherein: two equal fixedly connected with fixed plate four (26) in the opposite side of movable plate (19), two the surface of fixed plate four (26) all articulates there is bull stick (27), two the looks remote site of bull stick (27) articulates jointly has translation pole (28), the upper end fixedly connected with of control box (4) inner wall reciprocates electric putter (29), the putter head of reciprocating electric putter (29) with the fixed surface of translation pole (28) is connected.

5. The dual position injection mold of claim 1, wherein: the protection mechanism comprises two abutting plates (30), and the opposite sides of the two abutting plates (30) are fixedly connected with the opposite sides of the two sliding columns (13) respectively.

6. The dual position injection mold of claim 5, wherein: the opposite sides of the two abutting plates (30) are fixedly connected with rubber layers (31), and anti-skid grains are arranged on the surfaces of the two rubber layers (31).

7. The dual position injection mold of claim 2, wherein: the ejection mechanism comprises two fixing plates five (32), the bottom surfaces of the two fixing plates five (32) are fixedly connected with the surfaces of the two transverse moving plates (22) respectively, the surfaces of the two fixing plates five (32) are hinged with a hinged plate four (33), and the inner walls of the operating box (4) and the lower template (3) are connected with two ejector rods (34) in a sliding mode together.

8. The dual position injection mold of claim 7, wherein: the bottom ends of the two top rods (34) are respectively hinged with the upper ends of the two hinge plates (33).