CN109435143A - A kind of bicolor injection mould with backing stop structure - Google Patents
A kind of bicolor injection mould with backing stop structure Download PDFInfo
- Publication number
- CN109435143A CN109435143A CN201811316416.9A CN201811316416A CN109435143A CN 109435143 A CN109435143 A CN 109435143A CN 201811316416 A CN201811316416 A CN 201811316416A CN 109435143 A CN109435143 A CN 109435143A
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- Prior art keywords
- pulling block
- color
- inclined surface
- slider body
- shovel
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- 238000002347 injection Methods 0.000 title claims abstract description 41
- 239000007924 injection Substances 0.000 title claims abstract description 41
- 238000001746 injection moulding Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 13
- 238000000465 moulding Methods 0.000 abstract description 13
- 239000004568 cement Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of bicolor injection mould with backing stop structure belongs to advanced manufacture and automatic field, including the first color shovel, slider body, pulling block body, the second color shovel, pulling block, spring and shaft；Wherein, the first color injection mold includes the first color shovel, slider body and pulling block body；Second color injection mold includes slider body, pulling block body, the second color shovel, pulling block, spring and shaft.The application passes through the first color mold and the second same slider body of color sharing of die, when the first color is molded, it is motionless that first color shovel pushes down slider body, when slider body is rotated with injecting products to the second color part, it is molded using the slider body of same position, it ensure that injecting products shape molding degree is high, after second color is molded, second color shovel pulls slider body to separate together with injecting products, reduce the mobile number of slider body, when guaranteeing injection molding twice, plastic cement products forming degree with higher improves the qualification rate of product.
Description
Technical field
The invention belongs to advanced manufacture and automatic fields, and in particular, to a kind of double-shot moulding with backing stop structure
Mold.
Background technique
When encountering double-colored product in plastic mould, and the first color and the second color need to share one simultaneously after mode slider
When.After the completion of this just needs to guarantee the injection molding of the first color sliding block, the second color is molded when entire mold rear mold part rotates 180 ° of preparations
When, during this rotation and injection molding, sliding block will remain position when injection molding.Generally to guarantee such worked
Journey mechanism is more complicated, higher cost.Firstly, conventional shoe structure cannot be guaranteed that sliding block stands fast.Secondly, after solving sliding block not
It moves back structure and commonly uses cylinder structure, will increase sliding block size, occupied space in this way.Design of part is complicated, and cost is also higher, in mould
It it is also often desirable to renewal part in tool life cycle management.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of bicolor injection mould with backing stop structure, the knots of the application
Structure can be stable and effective after the completion of being molded for the first time, guarantees to stand fast when the first color sliding block rotates to the second color, makes to produce
Product are injury-free, and this technology manufacturing cost is cheap, and using effect is good.
Technical solution: the present invention provides a kind of bicolor injection moulds with backing stop structure, including the first color shovel, cunning
Block body, pulling block body, the second color shovel, pulling block, spring and shaft；Wherein, the first color injection mold includes the first color shovel, cunning
Block body and pulling block body, the first color shovel and slider body are connected far from the end face of product, and the pulling block body is close to product
End be arranged on the lower end surface of slider body, the lower end of the first color shovel is arranged on the upper surface of pulling block body；
Second color injection mold includes slider body, pulling block body, the second color shovel, pulling block, spring and shaft, the slider body it is remote
One end from product is connect with the second color shovel, and the lower end surface of slider body is arranged in the end of the close product of the pulling block body
On, the pulling block is connect with pulling block body, and the shaft is arranged in the second color shovel, and the upper end of pulling block is set in shaft
On, the pulling block can rotate around the shaft, and the spring is arranged in the second color shovel, and the upper end of one end of spring and pulling block
Portion's connection, the spring are located at the top of shaft, and the pulling block is equipped with the first inclined surface, separate sliding block sheet on the pulling block body
One end of body is equipped with the second inclined surface, and first inclined surface can be bonded with the second inclined surface, is additionally provided with third on the pulling block
Inclined surface, the pulling block body are equipped with the 4th inclined surface, and the third inclined surface can be bonded with the 4th inclined surface.Tool of the invention
There is the bicolor injection mould of backing stop structure, by the first color mold and the second same slider body of color sharing of die, first
When color is molded, it is motionless that the first color shovel pushes down slider body, when slider body is rotated with injecting products to the second color part,
It is molded using the slider body of same position, ensure that injecting products shape molding degree is high, after the second color is molded, the
Two color shovels pull slider body to separate together with injecting products.
Further, the above-mentioned bicolor injection mould with backing stop structure, the lower end surface of the slider body are equipped with the
One card slot, the slider body are equipped with the first protrusion close to the lower end surface of pulling block, and the pulling block body is set close to the upper surface of product
There is the second protrusion, second protrusion is placed in the first card slot, and the pulling block body is equipped with the second card slot, and first protrusion is set
In in the second card slot.
Further, the above-mentioned bicolor injection mould with backing stop structure, end face of the slider body far from product
Equipped with the 5th inclined surface, the first color shovel is equipped with the 6th inclined surface, and the 6th inclined surface is bonded with the 5th inclined surface,
The lower end surface of the first color shovel is arranged on the upper surface of pulling block body.
Further, the above-mentioned bicolor injection mould with backing stop structure, the middle position of the pulling block body are equipped with the
The lower end of one groove, the pulling block can be placed in the first groove.
Further, the above-mentioned bicolor injection mould with backing stop structure, the 4th inclined surface setting are recessed first
On the inner wall of slot, the lower end of pulling block is arranged in the third inclined surface, and third inclined surface is arranged on the side wall of pulling block,
First inclined surface is arranged on the lower end surface of pulling block.
Further, the above-mentioned bicolor injection mould with backing stop structure, it is logical that the second color shovel is equipped with first
Hole, the shaft passes through first through hole, and the both ends of shaft are erected on the inner wall of first through hole, and the first through hole is leaned on
The upper end inner wall of nearly first inclined surface is the 7th inclined surface, and lower end inner wall of the first through hole close to the first inclined surface is
First vertical plane, upper end inner wall of the first through hole far from the first inclined surface is the second vertical plane, and first through hole is remote
Lower end inner wall from the first inclined surface is the 8th inclined surface, and the outer wall of the pulling block is not when the second color mold is molded with first
Vertical plane and the fitting of the second vertical plane.
Further, the above-mentioned bicolor injection mould with backing stop structure, the second color shovel is close to the first inclination
The side wall in face is equipped with the second groove, is equipped with the first sealing plate in second groove, first sealing plate is fixed by screws in
In second color shovel.
Further, the above-mentioned bicolor injection mould with backing stop structure, the second color shovel are interior logical equipped with second
The both ends in hole, second through-hole are connected to the second groove and first through hole respectively, and the spring is arranged in the second through-hole, institute
The one end for stating spring is connect with the first sealing plate, and the other end of spring stretches out the second through-hole and connect with pulling block, on the pulling block
Equipped with third groove, the spring is arranged in third groove far from one end of the first sealing plate.
Further, the lower end surface of the above-mentioned bicolor injection mould with backing stop structure, the pulling block body is equipped with pad
Plate, the backing plate are equipped with transfer block, are equipped with second spring in the transfer block.
Further, the above-mentioned bicolor injection mould with backing stop structure, the slider body and pulling block body pass through spiral shell
Nail is fixedly connected.
Above-mentioned technical proposal, which can be seen that, has backing stop structure the invention has the following beneficial effects: of the present invention
Bicolor injection mould, reasonable in design, easy to use, application cost is low, and adaptability is good, and it is mobile to reduce slider body
Number, when guaranteeing injection molding twice, plastic cement products forming degree with higher, while the requirement of good appearance can be reached,
The damage for reducing product, improves the qualification rate of product, has great popularization value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first color mold in the bicolor injection mould of the present invention with backing stop structure；
Fig. 2 is the sectional view of the first color mold in the bicolor injection mould of the present invention with backing stop structure；
Fig. 3 is the structural schematic diagram one of the second color mold in the bicolor injection mould of the present invention with backing stop structure；
Fig. 4 is the sectional view of the second color mold in the bicolor injection mould of the present invention with backing stop structure；
Fig. 5 is the structural schematic diagram two of the first color mold in the bicolor injection mould of the present invention with backing stop structure；
Fig. 6 is the structural schematic diagram that the second color shovel of the present invention is connect with pulling block；
Fig. 7 is the structural schematic diagram one of plastic cement products of the present invention and slider body；
Fig. 8 is the structural schematic diagram two of plastic cement products of the present invention and slider body；
Fig. 9 is the structural schematic diagram of plastic cement products of the present invention；
Figure 10 is structural schematic diagram when the first color of plastic cement products of the present invention is separately formed；
Figure 11 is structural schematic diagram when the second color of plastic cement products of the present invention is separately formed.
In figure: the first color shovel 1, the 6th inclined surface 11, slider body 2, the first card slot 21, the first protrusion the 22, the 5th are inclined
Inclined-plane 23, pulling block body 3, the second inclined surface 31, the 4th inclined surface 32, the second protrusion 33, the second card slot 34, the first groove 35,
Two color shovels 4, first through hole 41, the 7th inclined surface 411, the 8th inclined surface 412, the first vertical plane 413, the second vertical plane 414,
Second groove 42, the second through-hole 43, pulling block 5, the first inclined surface 51, third inclined surface 52, third groove 53, spring 6, shaft 7,
First sealing plate 8, backing plate 9, transfer block 91, second spring 92.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Embodiment
The bicolor injection mould with backing stop structure as shown in figures 1 to 6, including the first color shovel 1, slider body 2, pull out
Block 3, the second color shovel 4, pulling block 5, spring 6 and shaft 7；Wherein, the first color injection mold includes the first color shovel 1, sliding block
Ontology 2 and pulling block body 3, the first color shovel 1 are connect with slider body 2 far from the end face of product, and the pulling block body 3 is close to production
The end of product is arranged on the lower end surface of slider body 2, and the upper end of pulling block body 3 is arranged in the lower end of the first color shovel 1
On face；Second color injection mold includes slider body 2, pulling block body 3, the second color shovel 4, pulling block 5, spring 6 and shaft 7, described
One end of the separate product of slider body 2 is connect with the second color shovel 4, and the end setting of the close product of the pulling block body 3 exists
On the lower end surface of slider body 2, the pulling block 5 is connect with pulling block body 3, and the shaft 7 is arranged in the second color shovel 4, and
The upper end of pulling block 5 is set in shaft 7, the pulling block 5 can 7 rotation around the shaft, the spring 6 is arranged in the second color shovel 4
It is interior, and one end of spring 6 is connect with the upper end of pulling block 5, and the spring 6 is located at the top of shaft 7, sets on the pulling block 5
There is the first inclined surface 51, one end far from slider body 2 is equipped with the second inclined surface 31, first inclination on the pulling block body 3
Face 51 can be bonded with the second inclined surface 31, and third inclined surface 52 is additionally provided on the pulling block 5, and the pulling block body 3 is equipped with the 4th
Inclined surface 32, the third inclined surface 52 can be bonded with the 4th inclined surface 32.The first color of double-color mold of the application and the second color
The same slider body 2 of partial common.After the completion of the injection molding of the first color, after entire rear mold rotates 180 °, slider body 2 is therewith
180 ° of rotation, when molding, pulling block 5 is linked into pulling block body 3, then carries out the second color injection molding, is formed after final die sinking, shape
Satisfactory injecting products 100.The lower end surface of slider body 2 is equipped with the first card slot 21, and the slider body 2 is close to pulling block 5
Lower end surface be equipped with the first protrusion 22, the pulling block body 3 close to the upper surface of product be equipped with the second protrusion 33, second protrusion
33 are placed in the first card slot 21, and the pulling block body 3 is equipped with the second card slot 34, and first protrusion 22 is placed in the second card slot 34
It is interior.Slider body 2 is equipped with the 5th inclined surface 23 far from the end face of product, and the first color shovel 1 is equipped with the 6th inclined surface 11,
6th inclined surface 11 is bonded with the 5th inclined surface 23, and the upper end of pulling block body 3 is arranged in the lower end surface of the first color shovel 1
On face.The middle position of pulling block body 3 is equipped with the first groove 35, and the lower end of the pulling block 5 can be placed in the first groove 35.4th
Inclined surface 32 is arranged on the inner wall of the first groove 35, and the lower end of pulling block 5, and third is arranged in the third inclined surface 52
Inclined surface 52 is arranged on the side wall of pulling block 5, and first inclined surface 51 is arranged on the lower end surface of pulling block 5.Second color shovel 4
It is equipped with first through hole 41, the shaft 7 passes through first through hole 41, and the both ends of shaft 7 are erected at first through hole 41
On inner wall, upper end inner wall of the first through hole 41 close to the first inclined surface 51 is the 7th inclined surface 411, and first through hole
The 41 lower end inner wall close to the first inclined surface 51 is the first vertical plane 413, and the first through hole 41 is far from the first inclined surface 51
Upper end inner wall be the second vertical plane 414, and first through hole 41 far from the first inclined surface 51 lower end inner wall be the 8th
Inclined surface 412, the outer wall of the pulling block 5 are pasted when the second color mold is not molded with the first vertical plane 413 and the second vertical plane 414
It closes.Side wall of the second color shovel 4 close to the first inclined surface 51 is equipped with the second groove 42, is equipped with first in second groove 42
Sealing plate 8, first sealing plate 8 are fixed by screws in the second color shovel 4.The second through-hole 43, institute are equipped in second color shovel 4
The both ends for stating the second through-hole 43 are connected to the second groove 42 and first through hole 41 respectively, and the spring 6 is arranged in the second through-hole 43
Interior, one end of the spring 6 is connect with the first sealing plate 8, and the other end of spring 6 stretches out the second through-hole 43 and connect with pulling block 5,
The pulling block 5 is equipped with third groove 53, and the spring 6 is arranged in third groove 53 far from one end of the first sealing plate 8.Pulling block
The lower end surface of body 3 is equipped with backing plate 9, and the backing plate 9 is equipped with transfer block 91, is equipped with second spring 92 in the transfer block 91.
Slider body 2 is fixedly connected with pulling block body 3 by screw.
The problem of bicolor plastic product 100 encounters as illustrated in figures 7-11 are as follows: if the injection molding of the first color is completed, after mold is opened
Assuming that the first color sliding block retreats.Like that after entire rear mold part rotates 180 °, sliding block rotates to the second color bits when setting, and needs
It to move forward again and guarantee molding state, it can very serious damage product table when this clamping process sliding block moves forward
Face and structure.Sliding block will move forward to the reason of injection-moulding position state and be when the second color, because if sliding block does not move forward
In injection-moulding position, by reason of heavy pressure when being molded the second color, and sliding block is unable to complete the molding of the second color in fallback state.
So needing after the completion of being molded for the first time, it is ensured that sliding block stand fast in this way can to avoid when the second color since sliding block is to Forward
Dynamic damage product, and the pressure of the second color product of injection molding can be resisted to protect the first color product injury-free.
What is indicated at index line A in as shown in Figure 9 is the first color of plastic cement products, and what is indicated at index line B is plastic cement products
Second color.
A kind of working principle of bicolor injection mould with backing stop structure of the application are as follows:
1, injection molding machine molding while injecting products, open mold under the active force of board.
2, when the mold is open, since the first color shovel is secured to remaining stationary for cover half part.Mold rear mold part
When entirely moving backward, the first color shovel will not stir sliding block, not shrink back so sliding block is able to maintain in injection-moulding position.
3, after mold is opened, under the movement of injection molding machine, entire rear mold part rotates 180 °, and the first color has just been infused
The product of modeling rotates to the second color together with sliding block.
4, second of mould assembling action starts, when the shoe contact set in the second color bits to be fixed to that the second color bits sets the
When inclined-plane on the pulling block in two color shovels, pulling block starts to rotate around the shaft.When continuing molding to certain position, two tiltedly
Face, which will be staggered, not to be contacted, and at this moment under spring force pulling block spring-go position, such pulling block is just linked on slider body
Pulling block body suffers.
5, second of mould assembling action is completed, injection molding machine work the second color product of injection molding.Then it opens for second of mold, this
When due to there is pulling block stir pulling block body, sliding block starts to move backward.
6, mold fully opens, and when product ejects completely, then manipulator is taken out, and repetition starts to act.
On the basis of above structure, the work step of the backing stop structure of the application are as follows:
1) the first color product be molded when, after molding, the first color shovel 1 is pressed respectively against on slider body 2 and pulling block body 3, start into
Row injection molding；
2) after the completion of being molded, mold is opened, entire rear mold part rotates 180 °, and the product that the first color has been molded rotates to the
Two color molded portions；
3) the second color molding starts to be molded, and the first inclined surface 51 is contacted with the second inclined surface 31 first, with the progress of molding,
Second color shovel 4 pushes pulling block 5 to push, and as pressure is continuously increased, pulling block 5 is pushed to rotate by a certain angle along shaft 7, and first
Relatively moved between inclined surface 51 and the second inclined surface 31, in clamping process, when certain position is arrived in molding, the first inclined surface 51 with
Second inclined surface 31 is mutually staggered；
4) pulling block 5 is pressed into the first groove 35, and under the active force of spring 6, pulling block 57 rotates back to original position around the shaft, at this time
Third inclined surface 52 is bonded with the 4th inclined surface 32, so that pulling block 5 is linked into slider body 2；
5) the second color molding is completed, and injection molding machine starts to be molded the second color product；
6) when being opened, pulling block 5 stirs the movement of pulling block body 3, since pulling block body 3 and slider body 2 fasten, thus with movable slider
Ontology 2 is mobile, completes demoulding.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (10)
1. a kind of bicolor injection mould with backing stop structure, it is characterised in that: including the first color shovel (1), slider body
(2), pulling block body (3), the second color shovel (4), pulling block (5), spring (6) and shaft (7)；Wherein, the first color injection mold includes
First color shovel (1), slider body (2) and pulling block body (3), the first color shovel (1) and slider body (2) are far from product
End face connection, the pulling block body (3) are arranged on the lower end surface of slider body (2) close to the end of product, the first color shovel
The lower end of machine (1) is arranged on the upper surface of pulling block body (3)；Second color injection mold includes slider body (2), pulling block body
(3), the second color shovel (4), pulling block (5), spring (6) and shaft (7), one end of the separate product of the slider body (2) with
The end of the connection of second color shovel (4), the close product of the pulling block body (3) is arranged on the lower end surface of slider body (2), institute
It states pulling block (5) to connect with pulling block body (3), shaft (7) setting is in the second color shovel (4), and the upper end of pulling block (5)
It being set on shaft (7), the pulling block (5) (7) can rotate around the shaft, and spring (6) setting is interior in the second color shovel (4),
And one end of spring (6) is connect with the upper end of pulling block (5), and the spring (6) is located at the top of shaft (7), the pulling block
(5) the first inclined surface (51) are equipped with, one end on the pulling block body (3) far from slider body (2) is equipped with the second inclined surface
(31), first inclined surface (51) can be bonded with the second inclined surface (31), be additionally provided with third inclined surface on the pulling block (5)
(52), the pulling block body (3) is equipped with the 4th inclined surface (32), and the third inclined surface (52) can paste with the 4th inclined surface (32)
It closes.
2. the bicolor injection mould according to claim 1 with backing stop structure, it is characterised in that: the slider body
(2) lower end surface is equipped with the first card slot (21), and the slider body (2) is equipped with the first protrusion close to the lower end surface of pulling block (5)
(22), the pulling block body (3) is equipped with the second protrusion (33) close to the upper surface of product, and second protrusion (33) is placed in the first card
In slot (21), the pulling block body (3) is equipped with the second card slot (34), and first protrusion (22) is placed in the second card slot (34).
3. the bicolor injection mould according to claim 2 with backing stop structure, it is characterised in that: the slider body
(2) end face far from product is equipped with the 5th inclined surface (23), and the first color shovel (1) is equipped with the 6th inclined surface (11), institute
It states the 6th inclined surface (11) to be bonded with the 5th inclined surface (23), the lower end surface of the first color shovel (1) is arranged in pulling block body (3)
Upper surface on.
4. the bicolor injection mould according to claim 3 with backing stop structure, it is characterised in that: the pulling block body (3)
Middle position be equipped with the first groove (35), the lower end of the pulling block (5) can be placed in the first groove (35).
5. the bicolor injection mould according to claim 4 with backing stop structure, it is characterised in that: the 4th inclined surface
(32) it is arranged on the inner wall of the first groove (35), the third inclined surface (52) is arranged in the lower end of pulling block (5), and the
Three inclined surface (52) are arranged on the side wall of pulling block (5), and first inclined surface (51) is arranged on the lower end surface of pulling block (5).
6. the bicolor injection mould according to claim 5 with backing stop structure, it is characterised in that: the second color shovel
(4) first through hole (41) are equipped with, the shaft (7) passes through first through hole (41), and the both ends of shaft (7) are erected at the
On the inner wall of one through-hole (41), upper end inner wall of the first through hole (41) close to the first inclined surface (51) is the 7th inclined surface
(411), and lower end inner wall of the first through hole (41) close to the first inclined surface (51) is the first vertical plane (413), described the
Upper end inner wall of one through-hole (41) far from the first inclined surface (51) is the second vertical plane (414), and first through hole (41) is remote
Lower end inner wall from the first inclined surface (51) is the 8th inclined surface (412), the outer wall of the pulling block (5) the second color mold not
It is bonded when injection molding with the first vertical plane (413) and the second vertical plane (414).
7. the bicolor injection mould according to claim 6 with backing stop structure, it is characterised in that: the second color shovel
(4) side wall close to the first inclined surface (51) is equipped with the second groove (42), and the first sealing plate is equipped in second groove (42)
(8), first sealing plate (8) is fixed by screws in the second color shovel (4).
8. the bicolor injection mould according to claim 7 with backing stop structure, it is characterised in that: the second color shovel
(4) in be equipped with the second through-hole (43), the both ends of second through-hole (43) respectively with the second groove (42) and first through hole (41)
Connection, in the second through-hole (43), one end of the spring (6) is connect with the first sealing plate (8) for spring (6) setting, and
The other end of spring (6) stretches out the second through-hole (43) and connect with pulling block (5), and the pulling block (5) is equipped with third groove (53), institute
One end setting of spring (6) far from the first sealing plate (8) is stated in third groove (53).
9. the bicolor injection mould according to claim 8 with backing stop structure, it is characterised in that: the pulling block body (3)
Lower end surface be equipped with backing plate (9), the backing plate (9) is equipped with transfer block (91), and the second bullet is equipped in the transfer block (91)
Spring (92).
10. the bicolor injection mould according to claim 8 with backing stop structure, it is characterised in that: the slider body
(2) it is fixedly connected with pulling block body (3) by screw.
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