CN209350813U - Prevent the oblique core pulling releasing structure that appearance is pulled - Google Patents
Prevent the oblique core pulling releasing structure that appearance is pulled Download PDFInfo
- Publication number
- CN209350813U CN209350813U CN201821998685.3U CN201821998685U CN209350813U CN 209350813 U CN209350813 U CN 209350813U CN 201821998685 U CN201821998685 U CN 201821998685U CN 209350813 U CN209350813 U CN 209350813U
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- Prior art keywords
- core
- plane
- pulling
- slide block
- sliding slot
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Abstract
The utility model discloses a kind of oblique core pulling releasing structures for preventing appearance from pulling, including oil cylinder, core-pulling slide block and limited block, core-pulling slide block front end has forming surface, core-pulling slide block bottom surface includes template inclined-plane and mode inclined-plane, sliding slot is formed in male template, the bottom surface of sliding slot is the sliding slot inclined-plane cooperated with template inclined-plane, the top surface of step is the step inclined-plane cooperated with mode inclined-plane, template inclined-plane, mode inclined-plane, step inclined-plane and sliding slot inclined-plane gradient having the same, limited block is installed on the side of male template, escape groove is formed on limited block, core-pulling slide block sliding is set in sliding slot, oil cylinder is installed on limited block, the power output shaft of oil cylinder moves towards to be fixedly connected after escape groove with the rear end of core-pulling slide block along gradient.In die sinking, by oil cylinder driving core-pulling slide block, inclined-plane carries out oblique core pulling tripping along the chute in sliding slot, and core-pulling slide block is slowly detached from the face PL along gradient in the process of die sinking, does not generate friction, avoids and scrapes hand and flash causes the undesirable risk of product.
Description
Technical field
The utility model relates to a kind of releasing structure of injection mold, it is specifically related to that a kind of to prevent appearance from pulling oblique
Core pulling releasing structure.
Background technique
Injection mold is a kind of tool for producing plasthetics, is made of dynamic model and cover half two parts, in injection moulding
Dynamic model and cover half closure constitute running gate system and type chamber, and dynamic model and cover half separation are to take out plastic products when die sinking.But have
A little plastic products are in the cover shape, and referring to Fig. 1 and Fig. 2, the side of the plastic cement products 5 has notch back-off 501, formed after injection molding
Plastic product needs first to carry out side core pulling tripping while die sinking, and still, existing core pulling releasing structure is moved back using sliding block is flat
Mode core pulling tripping, sliding block is flat move back during, the sliding block die joint bottom surface (PL) and male die core are rubbing always, production process
In be easy to appear and appearance flash and scrape hand phenomenon.
Summary of the invention
In order to solve the above-mentioned technical problem, simple the utility model proposes a kind of structure and can prevent appearance from pulling
Oblique core pulling releasing structure.
The technical solution of the utility model is achieved in that
A kind of oblique core pulling releasing structure for preventing appearance from pulling, including oil cylinder, core-pulling slide block and limited block, the core pulling
Slip front have for cooperating with the male die core of injection mold with form the cover shape plastic product with jagged back-off at
Type face, the core-pulling slide block bottom surface include for the template inclined-plane with the cooperation of the male template of injection mold and being used for and the male model
The mode inclined-plane of the step cooperation of benevolence, is formed in the male template and avoids the sliding slot that the core-pulling slide block is threaded off with core pulling, institute
The bottom surface for stating sliding slot is the sliding slot inclined-plane cooperated with the template inclined-plane, and the top surface of the step is to cooperate with the mode inclined-plane
Step inclined-plane, the template inclined-plane, the mode inclined-plane, the step inclined-plane and the sliding slot inclined-plane it is having the same tiltedly
Degree, the limited block are installed on the side of the male template, and escape groove, the core-pulling slide block sliding are formed on the limited block
In the sliding slot, the oil cylinder is installed on the limited block, the power output shaft of the oil cylinder along gradient move towards across
It is fixedly connected after the escape groove with the rear end of the core-pulling slide block.
It further, further include oil cylinder connector, the power output shaft of the oil cylinder is removable by the oil cylinder connector
Unload the rear end for being fixed in the core-pulling slide block.
Further, wearing plate is installed, the top surface of the wearing plate is oblique with the sliding slot in the slot bottom of the sliding slot
The identical inclined-plane of the gradient in face.
Further, the guiding skewback along the setting of oblique core pulling direction is installed, the core pulling is sliding in the slot bottom of the sliding slot
Block bottom is formed with the guiding skewed slot with the guiding skewback cooperation.
Further, a gradient edge strip is respectively formed on the core-pulling slide block two sides, the sliding slot is installed on opposite two sides
There is press strip, the core-pulling slide block is set between two gradient edge strips along the sliding of oblique core pulling direction, and the press strip bottom is formed
There is the press strip skewed slot for avoiding the gradient edge strip.
It further, further include two edge strip extension blocks, after two edge strip extension blocks are divided into the core-pulling slide block
The left and right sides at end, the edge strip extension block include block body portion, interconnecting piece and edge strip portion, and the interconnecting piece insertion is fixed in institute
The rear end bottom of core-pulling slide block is stated, the block body portion is located at the rear end of the core-pulling slide block, and the edge strip portion is along gradient edge strip
Length direction extend.
Further, the mode the bottom of the slope forms at least one molding backstop.
The beneficial effects of the utility model are: the utility model provides a kind of oblique core pulling tripping knot for preventing appearance from pulling
Structure, relative to the flat core pulling releasing structure for moving back formula of conventional sliders, core-pulling slide block is obliquely installed by the utility model, forms one kind
Oblique core pulling releasing structure, and make the bottom surface of core-pulling slide block from for the template inclined-plane with the male template with injection mold and being used for
It is formed with the mode inclined-plane of the male die core cooperation with step of injection mold, in this way, in molding, it is sliding by oil cylinder driving core pulling
Inclined-plane (inclined direction) is molded block along the chute in sliding slot, and after molding, the forming surface and male die core of core-pulling slide block cooperate, and is taken out
The mode inclined-plane of core sliding block touch the step inclined-plane of male die core, that is, touch the face PL, with injection molding plastic product.In die sinking,
By oil cylinder driving core-pulling slide block, inclined-plane carries out oblique core pulling tripping along the chute in sliding slot, and core-pulling slide block is along gradient in the process of die sinking
It is slowly detached from the face PL, does not generate friction, avoids and scrapes hand and flash causes the undesirable risk of product.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model plastic product；
Fig. 2 is the cross-sectional view of the utility model plastic product；
Fig. 3 is that the utility model prevents the oblique core pulling releasing structure perspective view that appearance is pulled；
Fig. 4 is that the oblique core pulling releasing structure that the utility model prevents appearance from pulling molds state cross-sectional view；
Fig. 5 is that the utility model prevents the oblique core pulling releasing structure die opening state cross-sectional view that appearance is pulled；
Fig. 6 is core-pulling sliding block structure schematic diagram in the utility model.
Specific embodiment
To keep the utility model more obvious and easy to understand, with reference to the accompanying drawing to specific embodiment of the present utility model
It is described in detail.
Fig. 3 is that the oblique core pulling releasing structure that the utility model prevents appearance from pulling molds status architecture schematic diagram；Fig. 4 is
The utility model prevents the oblique core pulling releasing structure die opening state structural schematic diagram that appearance is pulled；Fig. 5 is in the utility model
Core-pulling sliding block structure schematic diagram；Fig. 6 is that core-pulling slide block in the utility model, guiding skewback and edge strip extension block cooperate schematic diagram.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of oblique core pulling releasing structure for preventing appearance from pulling, including oil cylinder 1,
Core-pulling slide block 2 and limited block 3, the core-pulling slide block front end, which has, to be had for cooperating with the male die core 4 of injection mold with forming
Notch back-off 501 the cover shape plastic product 5 forming surface 201, the core-pulling slide block bottom surface include for injection mold
The template inclined-plane 202 that male template 6 cooperates and the mode inclined-plane 203 for cooperating with the step 401 of male die core 4, the male template
On be formed with and avoid the sliding slot 601 that the core-pulling slide block thread off with core pulling, the bottom surface of the sliding slot is matches with the template inclined-plane
The sliding slot inclined-plane of conjunction, the top surface of the step are the step inclined-plane 402 cooperated with the mode inclined-plane, the template inclined-plane, institute
It states mode inclined-plane, the step inclined-plane and the sliding slot inclined-plane gradient having the same, the limited block and is installed on the male model
The side of plate is formed with escape groove 301 on the limited block, and the core-pulling slide block sliding is set in the sliding slot, the oil cylinder
Be installed on the limited block, the power output shaft 101 of the oil cylinder along gradient move towards after the escape groove with the pumping
The rear end of core sliding block is fixedly connected.
It is put down relative to conventional sliders and moves back core pulling releasing structure, core-pulling slide block is obliquely installed by the utility model, forms one
The oblique core pulling releasing structure of kind, and make the bottom surface of core-pulling slide block from for the template inclined-plane and use with the male template with injection mold
It is formed in the mode inclined-plane of the male die core cooperation with step with injection mold, in this way, driving core pulling by oil cylinder in molding
Inclined-plane (inclined direction) is molded sliding block along the chute in sliding slot, and after molding, the forming surface and male die core of core-pulling slide block cooperate,
The mode inclined-plane of core-pulling slide block touch the step inclined-plane of male die core, that is, touch the face PL, with injection molding plastic product.It is being opened
When, by oil cylinder driving core-pulling slide block, inclined-plane carries out oblique core pulling tripping along the chute in sliding slot, and core-pulling slide block is suitable in the process of die sinking
Gradient is slowly detached from the face PL, does not generate friction, avoids and scrapes hand and flash causes the undesirable risk of product.
It preferably, further include oil cylinder connector 7 referring to Fig. 3 and Fig. 4, the power output shaft of the oil cylinder passes through the oil
Cylinder connector is removably fixed on the rear end of the core-pulling slide block.In this way, oil cylinder can be fast implemented by oil cylinder connector
Power output shaft and core-pulling slide block are detachably fixed connection, when it is implemented, oil cylinder connector may include male end and female end,
Female end part is embedded at core-pulling slide block bottom and is fixedly connected by fastener, and the power output shaft of male end and oil cylinder is fixed to be connected
It connects, male end is linked together with female end by T-slot and T connector.
Preferably, referring to fig. 4, wearing plate 8 is installed in the slot bottom of the sliding slot, the top surface of the wearing plate be with it is described
The identical inclined-plane of the gradient on sliding slot inclined-plane.In this way, can reduce the friction damage between core-pulling slide block and male template, and in this way
When implementation, it is only necessary to the top surface of wearing plate are designed to inclined-plane, the function with the cooperation of the template inclined-plane of core-pulling slide block can be realized.
Preferably, referring to Fig. 3 and Fig. 6, the guiding skewback along the setting of oblique core pulling direction is installed in the slot bottom of the sliding slot
9, the core-pulling slide block bottom is formed with the guiding skewed slot 204 with the guiding skewback cooperation.In this way, by being oriented to skewback and leading
The cooperation of down fold can be oriented in oblique core pulling direction, slide back and forth core-pulling slide block in sliding slot more steady, this reality
Setting in example is applied to correspond to there are two skewback is oriented to and be formed with corresponding two guiding skewed slot in core-pulling slide block bottom.
Preferably, referring to Fig. 6 and Fig. 3, a gradient edge strip 205, the sliding slot phase are respectively formed on the core-pulling slide block two sides
Pair two sides on press strip 10 is installed, the core-pulling slide block is set between two gradient edge strips along the sliding of oblique core pulling direction,
The press strip bottom is formed with the press strip skewed slot for avoiding the gradient edge strip.In this way, the press strip skewed slot and gradient edge that pass through press strip
The cooperation of item can limit core-pulling slide block upper and lower position, slide core-pulling slide block can only in oblique core pulling direction, guarantee
The stability of oblique core pulling tripping.
It preferably, further include two edge strip extension blocks 11 referring to Fig. 3, two edge strip extension blocks are divided into the pumping
The left and right sides of core sliding block rear end, the edge strip extension block include block body portion, interconnecting piece and edge strip portion, the interconnecting piece insertion
It is fixed in the rear end bottom of the core-pulling slide block, the block body portion is located at the rear end of the core-pulling slide block, edge strip portion edge
The length direction of gradient edge strip extends.In this way, edge strip extension block is arranged by the front bottom end slided in core pulling, can increase tiltedly
The length for spending edge strip, achievees the purpose that more preferably to limit core-pulling slide block.
Preferably, referring to Fig. 6, the mode the bottom of the slope forms at least one molding backstop 206.The molding backstop plays limit
The effect of core-pulling slide block maximum die-closed position processed.
Above embodiments are that the preferred embodiment of the utility model is described in detail referring to attached drawing.The skill of this field
Art personnel are by carrying out modification or change on various forms, but the feelings of the essence without departing substantially from the utility model to above-described embodiment
Under condition, all fall within the scope of the present invention.
Claims (7)
1. a kind of oblique core pulling releasing structure for preventing appearance from pulling, it is characterised in that: including oil cylinder (1), core-pulling slide block (2) and
Limited block (3), the core-pulling slide block front end, which has, to be cooperated for the male die core (4) with injection mold to form with jagged back-off
(501) forming surface (201) of the cover shape plastic product (5), the core-pulling slide block bottom surface include for the public affairs with injection mold
The template inclined-plane (202) of template (6) cooperation and the mode inclined-plane (203) cooperated for the step (401) with the male die core, institute
State to be formed in male template and avoid the sliding slot (601) that the core-pulling slide block thread off with core pulling, the bottom surface of the sliding slot for it is described
The sliding slot inclined-plane of template inclined-plane cooperation, the top surface of the step is the step inclined-plane (402) cooperated with the mode inclined-plane, described
Template inclined-plane, the mode inclined-plane, the step inclined-plane and the sliding slot inclined-plane gradient having the same, the limited block installation
In being formed on the side of the male template, the limited block escape groove (301), the core-pulling slide block sliding is set to the sliding slot
Interior, the oil cylinder is installed on the limited block, and the power output shaft (101) of the oil cylinder is moved towards along gradient across the evacuation
It is fixedly connected after slot with the rear end of the core-pulling slide block.
2. according to claim 1 prevent the oblique core pulling releasing structure that appearance is pulled, it is characterised in that: further include oil cylinder
Connector (7), after the power output shaft of the oil cylinder is removably fixed on the core-pulling slide block by the oil cylinder connector
End.
3. according to claim 1 prevent the oblique core pulling releasing structure that appearance is pulled, it is characterised in that: the sliding slot
It is equipped in slot bottom wearing plate (8), the top surface of the wearing plate is inclined-plane identical with the gradient on the sliding slot inclined-plane.
4. according to claim 3 prevent the oblique core pulling releasing structure that appearance is pulled, it is characterised in that: the sliding slot
Guiding skewback (9) along the setting of oblique core pulling direction is installed, the core-pulling slide block bottom is formed with oblique with the guiding in slot bottom
The guiding skewed slot (204) of block cooperation.
5. according to claim 3 prevent the oblique core pulling releasing structure that appearance is pulled, it is characterised in that: the core pulling is sliding
A gradient edge strip (205) is respectively formed on block two sides, and press strip (10), the core-pulling slide block are installed on the opposite two sides of the sliding slot
Along oblique core pulling direction, sliding is set between two gradient edge strips, and the press strip bottom is formed with the evacuation gradient edge strip
Press strip skewed slot.
6. according to claim 5 prevent the oblique core pulling releasing structure that appearance is pulled, it is characterised in that: further include two
Edge strip extension block (11), two edge strip extension blocks are divided into the left and right sides of the core-pulling slide block rear end, and the edge strip prolongs
Stretching block includes block body portion, interconnecting piece and edge strip portion, and the interconnecting piece insertion is fixed in the rear end bottom of the core-pulling slide block, institute
The rear end that block body portion is located at the core-pulling slide block is stated, the edge strip portion extends along the length direction of gradient edge strip.
7. according to claim 1 prevent the oblique core pulling releasing structure that appearance is pulled, it is characterised in that: the mode is oblique
At least one molding backstop (206) is formed on face bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998685.3U CN209350813U (en) | 2018-11-30 | 2018-11-30 | Prevent the oblique core pulling releasing structure that appearance is pulled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998685.3U CN209350813U (en) | 2018-11-30 | 2018-11-30 | Prevent the oblique core pulling releasing structure that appearance is pulled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209350813U true CN209350813U (en) | 2019-09-06 |
Family
ID=67798033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821998685.3U Expired - Fee Related CN209350813U (en) | 2018-11-30 | 2018-11-30 | Prevent the oblique core pulling releasing structure that appearance is pulled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209350813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146966A (en) * | 2021-02-26 | 2021-07-23 | 广州城建职业学院 | Wave tube core-pulling die |
| CN114393794A (en) * | 2022-01-20 | 2022-04-26 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
-
2018
- 2018-11-30 CN CN201821998685.3U patent/CN209350813U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146966A (en) * | 2021-02-26 | 2021-07-23 | 广州城建职业学院 | Wave tube core-pulling die |
| CN114393794A (en) * | 2022-01-20 | 2022-04-26 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
| CN114393794B (en) * | 2022-01-20 | 2024-03-22 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 Termination date: 20211130 |