CN211074535U - Cover half structure of loosing core and mould - Google Patents
Cover half structure of loosing core and mould Download PDFInfo
- Publication number
- CN211074535U CN211074535U CN201921773846.3U CN201921773846U CN211074535U CN 211074535 U CN211074535 U CN 211074535U CN 201921773846 U CN201921773846 U CN 201921773846U CN 211074535 U CN211074535 U CN 211074535U
- Authority
- CN
- China
- Prior art keywords
- block
- fixed
- locking
- pressing block
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a cover half structure of loosing core and mould relates to mould technical field, has solved the inside mould that has the cover half structure of loosing core that exists among the prior art, and when using the hydro-cylinder to loose core, the cover half structure of loosing core may be at the technical problem of injection pressure back-off. The fixed die core pulling structure comprises a locking block, a fixed pressure block, a dynamic pressure block inserted into the fixed pressure block and a self-locking mechanism, wherein the self-locking mechanism is arranged on the locking block and is in contact with the dynamic pressure block; when the dynamic pressure block moves, the part of the automatic locking mechanism, which is contacted with the constant pressure block, is retracted into the locking block under the extrusion of the dynamic pressure block so as to realize that the locking block moves along with the constant pressure block. The utility model is used for prevent that injection pressure from promoting the structure of loosing core and leading to the product defect.
Description
Technical Field
The utility model belongs to the technical field of the mould technique and specifically relates to a cover half structure of loosing core and be provided with this cover half structure of loosing core's mould is related to.
Background
In the design process of the injection mold, an oil cylinder core pulling mechanism is needed to perform mold opening and closing actions of the mold. Conventional mould structure, cover half structure of loosing core need design the shell fragment board control and open and shut the mould.
The applicant has found that the prior art has at least the following technical problems:
for the mould with the fixed mould core pulling structure inside, if the oil cylinder is used for pulling the core and a self-locking mechanism is not designed, the core pulling structure can retreat (the sliding block retreats) under the injection pressure, so that the product is unqualified, and the mould can not be applied to production.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cover half structure of loosing core and mould has solved the inside mould that has the cover half structure of loosing core that exists among the prior art, and when using the hydro-cylinder to loose core, the cover half structure of loosing core may be at the technical problem of injection pressure back-off. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a cover half structure of loosing core, including latch segment, level pressure piece and insert the dynamic pressure piece in the level pressure piece, still include self-locking mechanism, wherein, self-locking mechanism sets up on the latch segment and contacts with the dynamic pressure piece, when the cover half structure of loosing core is in the compound die state, the partial structure that elasticity self-locking mechanism stands out the latch segment contacts with the level pressure piece in order to lock the latch segment; when the movable pressing block moves, the part of the self-locking mechanism, which is in contact with the fixed pressing block under the extrusion of the movable pressing block, retracts into the locking block so as to realize that the locking block moves along with the movable pressing block.
Furthermore, one end of the locking block is inserted into the mounting hole of the movable pressing block, a guide slot hole communicated with the mounting hole is formed in the movable pressing block, the self-locking mechanism is located in the placing cavity in the locking block, and a part capable of extending into the guide slot hole is arranged on the self-locking mechanism.
Furthermore, inclined guide surfaces which incline obliquely upwards from one end communicated with the mounting hole to the end far away from the mounting hole exist on the guide slot holes, and the part of the self-locking mechanism extending into the guide slot holes can move along the inclined guide surfaces.
Furthermore, the self-locking mechanism comprises a fixed guide part, an elastic part and a clamping and buckling part, the fixed guide part is arranged on the locking block, the elastic part is sleeved on the fixed guide part, and the clamping and buckling part penetrates through the fixed guide part and is extruded between the elastic part and the hole wall of the mounting hole or between the end parts of the fixed guide part.
Furthermore, a first protruding part capable of extending into the guide slot hole and a second protruding part capable of contacting with the end face of the constant pressure block are arranged on the buckling piece, and the first protruding part and the second protruding part are located on the same side of the buckling piece.
Further, the fixed guide piece is arranged along the direction perpendicular to the locking block and the movable pressing block, and the fixed guide piece can move along the axis direction of the fixed guide piece.
Furthermore, the fixed guide part is a limit screw, the head of the fixed guide part is positioned in the buckle part, and the head of the fixed guide part can be abutted against the inner side face of the buckle part.
Furthermore, an elastic piece accommodating cavity is formed in the buckle piece, and the elastic piece extends into the elastic piece accommodating cavity and is clamped between the locking block and the inner side face of the buckle piece.
Furthermore, a connecting limiting part is arranged on the locking block, the connecting limiting part is inserted into the movable pressing block, and the movable pressing block can move to the position where the inner side surface of the movable pressing block is abutted to the head part of the connecting limiting part so that the movable pressing block can drive the locking block to move.
The mold comprises the fixed mold core pulling structure.
The utility model provides a cover half core-pulling structure, including elasticity self-locking mechanism, when the cover half core-pulling structure is in the compound die state, the partial structure of the outstanding latch segment of elasticity self-locking mechanism contacts with the level pressure piece in order to lock the latch segment, make even under the effect of injection pressure, the slider does not take place to retreat, solved the mould that exists among the prior art inside has cover half core-pulling structure, when using the hydro-cylinder to loose core, the technical problem that cover half core-pulling structure may retreat under injection pressure, thereby avoid the product defect; in the process that the oil cylinder drives the movable pressing block to move upwards, the movable pressing block extrudes the elastic self-locking mechanism to enable the part, which is in contact with the fixed pressing block, of the elastic self-locking mechanism to gradually retract into the locking block until the locking between the locking block and the fixed pressing block is released, and the movable pressing block drives the locking block to move together.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a fixed mold core pulling structure (the fixed mold core pulling structure is in a mold closing state) provided in an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a fixed mold core pulling structure (a fixed mold core pulling structure is in a state during a lifting process) provided in an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a fixed mold core pulling structure (the fixed mold core pulling structure is in a mold opening state) provided in the embodiment of the present invention;
fig. 4 is a schematic plan view of a fixed mold core pulling structure provided by the embodiment of the present invention.
FIG. 1-locking block; 2-pressing the block; 3-moving and pressing the block; 31-a guide slot hole; 311-inclined guide surfaces; 4-elastic self-locking mechanism; 41-a stationary guide; 42-an elastic member; 43-a clasp; 431-a first projection; 432-second projection; 5-connecting a limiting part; 6-a slide block; 7-slider T block; 8-a limiting column; 9-oil cylinder pull rod; 10-oil cylinder; 11-oil cylinder seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a fixed die core pulling structure, which comprises a locking block 1, a fixed pressing block 2, a dynamic pressing block 3 inserted into the fixed pressing block 2, and an elastic self-locking mechanism 4, wherein the elastic self-locking mechanism 4 is arranged on the locking block 1 and contacts with the dynamic pressing block 3, when the fixed die core pulling structure is in a die closing state, part of the structure of the elastic self-locking mechanism 4 protruding out of the locking block 1 contacts with the fixed pressing block 2 to lock the locking block 1; when the dynamic pressure block 3 moves, the part of the elastic self-locking mechanism 4, which is contacted with the fixed pressure block 2 under the extrusion of the dynamic pressure block 3, retracts into the locking block 1 so as to realize that the locking block 1 moves along with the fixed pressure block 3. When the fixed die core pulling mechanism is in a die closing state, the elastic self-locking mechanism 4 is matched with the fixed pressure block 2 to lock the locking block 1, and the sliding block 6 does not retreat even under the action of injection molding pressure, so that the product defect is avoided; in the process that the oil cylinder 10 drives the movable pressing block 3 to move upwards, the movable pressing block 3 extrudes the elastic self-locking mechanism 4 to enable the part, which is in contact with the fixed pressing block 2, on the elastic self-locking mechanism 4 to be gradually retracted into the locking block 1 until the locking between the locking block 1 and the fixed pressing block 2 is released, and then the movable pressing block 3 drives the locking block 1 to move together, so that the sliding block 6 moves towards the direction of opening the die.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 1-3, one end of the locking block 1 is inserted into the mounting hole of the movable pressing block 3, the movable pressing block 3 is provided with a guiding slot 31 communicated with the mounting hole, the elastic self-locking mechanism 4 is located in the placing cavity of the locking block 1, and a portion of the elastic self-locking mechanism 4, which can extend into the guiding slot 31, is present. Referring to fig. 1, when the fixed mold core pulling structure is in a mold closing state, part of the structure (the first protruding portion 431) on the elastic self-locking mechanism 4 extends into the guide slot hole 31; when the oil cylinder 10 drives the movable pressing block 3 to move upwards, the hole wall of the guide slot 31 extrudes the first protruding part 431, so that the elastic self-locking mechanism 4 gradually retracts into the locking block 1.
As the embodiment of the present invention can be optionally implemented, in order to facilitate the upward movement of the movable pressing block 3, the elastic self-locking mechanism 4 is pressed to move in the direction extending into the locking block 1, an inclined guiding surface 311 inclined upward from the end communicated with the mounting hole to the end away from the mounting hole exists on the guiding slot 31, and the part of the elastic self-locking mechanism 4 extending into the guiding slot 31 moves along the inclined guiding surface 311.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 1-3, the elastic self-locking mechanism 4 includes a fixed guide 41, an elastic member 42, and a fastening member 43, the fixed guide 41 is disposed on the locking block 1, the elastic member 42 is sleeved on the fixed guide 41, and the fastening member 43 passes through the fixed guide 41 and is pressed between the elastic member 42 and the hole wall of the installation hole or between the ends of the fixed guide 41. The elastic member 42 may be a spring, when the oil cylinder 10 drives the movable pressing block 3 to move upwards, the movable pressing block 3 pushes the fastening member 43 to move along the fixed guide member 41 in the direction of extending into the locking block 1, and the fastening member 43 extrudes the elastic member 42 to make the elastic member 42 in a compressed state; when the locking block 1 and the movable pressing block 3 are reset under the driving of the oil cylinder 10 (the fixed die core-pulling structure is in a die-closing state), the elastic self-locking mechanism 4 can reset under the action of the elastic piece 42.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 1 to fig. 3, a first protruding portion 431 capable of extending into the guide slot 31 and a second protruding portion 432 capable of contacting with the end surface of the pressure-fixing block 2 exist on the fastening member 43, and the first protruding portion 431 and the second protruding portion 432 are located on the same side of the fastening member 43. Referring to fig. 1, fig. 1 illustrates the positions of the first protruding portion 431 and the second protruding portion 432 when the fixed mold core pulling structure is in a mold closing state, and at this time, the second protruding portion 432 limits the movement of the locking block 1 towards the dynamic pressure block 3; referring to fig. 2 and 3, at this time, the first protruding portion 431 abuts against the wall of the mounting hole of the movable pressing block 3, and the second protruding portion 432 is also located in the locking block 1, so that the locking limitation of the second protruding portion 432 on the locking block 1 is released.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, the fixed guide 41 is disposed in a direction perpendicular to the locking block 1 and the movable block 3, and the fixed guide 41 can move along the axial direction of the fixed guide 41; the fixed guide 41 may be a limit screw, and referring to fig. 1 to 3, a head of the fixed guide 41 is located in the fastener 43, and referring to fig. 1, when the mold clamping structure is in a mold clamping state, the head of the fixed guide 41 may abut against an inner side surface of the fastener 43.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, an elastic member accommodating cavity is provided on the fastening member 43, and the elastic member 42 extends into the elastic member accommodating cavity and is clamped between the inner side surfaces of the locking block 1 and the fastening member 43.
As the embodiment of the utility model provides an optional implementation mode is provided with on the latch segment 1 and connects locating part 5, connects locating part 5 and can be stop screw, connects locating part 5 and inserts and move briquetting 3, can move briquetting 3 when moving the motion and can move its inside face and the head looks butt position of being connected locating part 5 in order to realize moving briquetting 3 and can drive latch segment 1 motion. The oil cylinder 10 is arranged on an oil cylinder base 11, the oil cylinder base 11 is fixed on the fixed template, one end of an oil cylinder pull rod 9 is fixedly connected with the oil cylinder 10 through a screw thread, and the other end of the oil cylinder pull rod is connected with the movable pressing block 3 through a T-shaped groove; referring to fig. 2, when the oil cylinder 10 moves, the movable pressing block 3 is firstly driven to move upwards by a distance X1, when the head of the connecting limiting member 5 abuts against the inner side surface of the movable pressing block 3, the oil cylinder 10 drives the movable pressing block 3 and the locking block 1 to move together, and at the moment, the elastic self-locking mechanism 4 releases the locking of the locking block 1 and the fixed pressing block 2.
A mould, include the utility model provides a cover half structure of loosing core.
The utility model provides a motion process of cover half structure die sinking is as follows:
referring to fig. 1, the fixed mold core pulling structure is in a mold closing state, at this time, the first protruding portion 431 extends into the guide slot hole 31, the second protruding portion 432 is in contact with the end portion of the fixed pressure block 2, at this time, the second protruding portion 432 limits the locking block 1 to move towards the dynamic pressure block 3, and the fastener 43 is squeezed between the elastic member and the inner side wall of the dynamic pressure block 3 or/and the end portion of the fixed guide 41;
referring to fig. 2, when the oil cylinder 10 starts to operate, the oil cylinder 10 drives the movable pressing block 3 to move through the oil cylinder pull rod 9, at this time, the locking block 1 is in a static state, and when the movable pressing block 3 moves, the inclined guide surface 311 of the guide slot hole 31 presses the first protruding portion 431 to enable the buckling piece 43 to move towards the direction extending into the locking block 1 until the buckling piece moves to the position shown in fig. 2, at this time, the elastic self-locking mechanism 4 releases the locking between the fixed pressing block 2 and the locking block 1, wherein Y1 indicates the moving distance of the buckling piece 43 extending into the locking block 1, X1 indicates the upward moving distance of the movable pressing block 3 relative to the locking block 1, and Z1 indicates the distance of the interference between the buckling piece 43 and the fixed pressing block 2;
referring to fig. 3, when the oil cylinder 10 continues to act, the dynamic pressure block 3 drives the locking block 1 to move upwards together, the slide block T moves along the T-shaped groove, and the slide block 6 moves along the direction indicated by the arrow in fig. 3 until contacting with the limiting column 8, so that the whole die opening action is completed.
The utility model provides a motion process of cover half core pulling structure compound die is as follows (opposite with the process of above-mentioned die sinking):
the oil cylinder 10 acts to drive the movable pressing block 3 and the locking block 1 to act downwards together until the locking block 1 reaches a preset position, then the movable pressing block 3 acts downwards, at the moment, the first protruding part 431 gradually extends into the guide groove hole 31, the second protruding part 432 also gradually extends out until the fixed die core-pulling structure is moved to the position shown in the figure 1, and the fixed die core-pulling structure die assembly is completed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A fixed die core pulling structure comprises a locking block (1), a fixed pressing block (2) and a movable pressing block (3) inserted into the fixed pressing block (2), and is characterized by further comprising an elastic self-locking mechanism (4), wherein,
the elastic self-locking mechanism (4) is arranged on the locking block (1) and is in contact with the movable pressing block (3), and when the fixed die core pulling structure is in a die closing state, part of the structure of the elastic self-locking mechanism (4) protruding out of the locking block (1) is in contact with the fixed pressing block (2) to lock the locking block (1);
when the movable pressing block (3) moves, under the extrusion of the movable pressing block (3), the part of the elastic self-locking mechanism (4) contacted with the fixed pressing block (2) retracts into the locking block (1) to realize that the locking block (1) moves along with the movable pressing block (3).
2. The fixed die core pulling structure according to claim 1, wherein one end of the locking block (1) is inserted into a mounting hole of the movable pressing block (3), a guide slot hole (31) communicated with the mounting hole is formed in the movable pressing block (3), the elastic self-locking mechanism (4) is located in a placing cavity in the locking block (1), and a part capable of extending into the guide slot hole (31) is arranged on the elastic self-locking mechanism (4).
3. The fixed die core pulling structure according to claim 2, wherein an inclined guide surface (311) which is inclined obliquely upwards from one end communicated with the installation hole to one end far away from the installation hole is arranged on the guide slot hole (31), and the part of the elastic self-locking mechanism (4) extending into the guide slot hole (31) can move along the inclined guide surface (311).
4. The fixed die core pulling structure according to claim 2 or 3, wherein the elastic self-locking mechanism (4) comprises a fixed guide part (41), an elastic part (42) and a clamping part (43), the fixed guide part (41) is arranged on the locking block (1), the elastic part (42) is sleeved on the fixed guide part (41), the clamping part (43) penetrates through the fixed guide part (41) and the clamping part (43) is extruded between the elastic part (42) and the hole wall of the mounting hole or the end part of the fixed guide part (41).
5. The fixed die core pulling structure according to claim 4, wherein the fastener (43) is provided with a first protruding part (431) capable of extending into the guide slot hole (31) and a second protruding part (432) capable of contacting with the end face of the fixed pressing block (2), and the first protruding part (431) and the second protruding part (432) are positioned on the same side of the fastener (43).
6. The fixed die core pulling structure according to claim 4, wherein the fixed guide (41) is arranged in a direction perpendicular to the locking block (1) and the movable block (3), and the fixed guide (41) is movable in an axial direction of the fixed guide (41).
7. The fixed die core pulling structure according to claim 4, wherein the fixed guide (41) is a limit screw, the head of the fixed guide (41) is located in the clamping piece (43) and the head of the fixed guide (41) can abut against the inner side surface of the clamping piece (43).
8. The fixed die core pulling structure according to claim 4, wherein an elastic piece accommodating cavity is formed in the buckle piece (43), and the elastic piece (42) extends into the elastic piece accommodating cavity and is clamped between the locking block (1) and the inner side surface of the buckle piece (43).
9. The fixed die core pulling structure according to claim 1, wherein a connection limiting part (5) is arranged on the locking block (1), the connection limiting part (5) is inserted into the movable pressing block (3), and the movable pressing block (3) can move to a position where the inner side surface of the movable pressing block abuts against the head of the connection limiting part (5) when moving so that the movable pressing block (3) can drive the locking block (1) to move.
10. A mold comprising the fixed mold core pulling structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773846.3U CN211074535U (en) | 2019-10-21 | 2019-10-21 | Cover half structure of loosing core and mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773846.3U CN211074535U (en) | 2019-10-21 | 2019-10-21 | Cover half structure of loosing core and mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211074535U true CN211074535U (en) | 2020-07-24 |
Family
ID=71633510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921773846.3U Active CN211074535U (en) | 2019-10-21 | 2019-10-21 | Cover half structure of loosing core and mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211074535U (en) |
-
2019
- 2019-10-21 CN CN201921773846.3U patent/CN211074535U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113103524B (en) | Inside oblique top of injection mold takes off back-off mechanism | |
| CN108312446B (en) | Demoulding structure | |
| CN108568940B (en) | Self-locking type sliding block structure for double-color forming | |
| CN211074535U (en) | Cover half structure of loosing core and mould | |
| CN113334703A (en) | Multi-direction demoulding mechanism | |
| CN110757741A (en) | Cover half structure of loosing core and mould | |
| CN217622010U (en) | Fixed die slide block core pulling mechanism of injection mold | |
| CN215849426U (en) | Compound side direction injection mould of loosing core | |
| CN109177075B (en) | Inclined reverse hook core pulling mechanism | |
| CN216068518U (en) | Double-layer ejector plate secondary ejection mechanism and injection mold | |
| CN111775407A (en) | TPU air nozzle injection mold and injection molding method | |
| CN219968728U (en) | Mechanical type graded steering internal core pulling mechanism and injection mold | |
| CN212666594U (en) | Injection mold provided with demolding mechanism | |
| CN214188181U (en) | Molding core-pulling structure of bumper decorative plate connecting buckle | |
| CN110936568B (en) | Angle pin withdrawing structure | |
| CN219705944U (en) | Self-locking anti-retreating structure of oil cylinder sliding block | |
| CN219926785U (en) | Can prevent taking off back-off component of injection molding strain | |
| CN211363332U (en) | Female die inclined ejection mechanism | |
| CN219543902U (en) | Demolding device for post with periphery back-off holes | |
| CN215396616U (en) | Large-slider multi-position avoiding die | |
| CN112140485B (en) | Angle pin mechanism and mould in slider | |
| CN114763006B (en) | Female die inner sliding block structure | |
| CN110936567B (en) | Angle pin withdrawing structure | |
| CN219338462U (en) | Core-pulling demoulding structure of injection mould | |
| CN217098726U (en) | Secondary core-pulling mechanism for slide block of injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |