CN109624151B - Sequential slide core-pulling demoulding mechanism - Google Patents
Sequential slide core-pulling demoulding mechanism Download PDFInfo
- Publication number
- CN109624151B CN109624151B CN201910052901.8A CN201910052901A CN109624151B CN 109624151 B CN109624151 B CN 109624151B CN 201910052901 A CN201910052901 A CN 201910052901A CN 109624151 B CN109624151 B CN 109624151B
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- Prior art keywords
- block
- movable pin
- fixed block
- driving device
- molding piece
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- 238000000465 moulding Methods 0.000 claims description 38
- 238000007493 shaping process Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/442—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides a novel sequential slide core pulling and demolding mechanism, which comprises a rear mold insert, a slide component and a core pulling device, wherein the slide component is arranged in the rear mold insert, and the core pulling device is inserted into the slide component and is fixedly connected with the rear mold insert; the core pulling device comprises a movable pin, a fixed block, a guide block and a first driving device, wherein the guide block is arranged above the fixed block, the guide block is arranged below the rear mold insert and is fixedly connected with the rear mold insert, the bottom end of the movable pin penetrates through the guide block and is fixedly connected with the fixed block, the top end of the movable pin is inserted into the row position assembly, the first driving device is in driving connection with the fixed block, and the first driving device drives the fixed block to move up and down; the guide block is provided with at least one positioning hole, the positioning hole is inserted with a positioning block, and the movable pin is provided with at least one positioning groove corresponding to the positioning hole. The novel sequential slide core-pulling demolding mechanism provided by the invention is novel in design and high in practicability.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a sequential slide core-pulling and demolding mechanism.
Background
As shown in fig. 1 and 2, after the upper mold and the lower mold are separated, core pulling treatment is required to be performed on the inner side wall of the product 6 by row positions. The inner side wall of the product 6 is provided with a buckling area 601 and a back-off area 602, core pulling treatment cannot be directly carried out, and when the core is pulled forcefully, the product 6 is easily damaged or deformed seriously due to unbalanced stress. Therefore, a new sequential slide core pulling and demolding mechanism needs to be developed to solve the problem.
Disclosure of Invention
The invention aims to provide a sequential slide core pulling and demolding mechanism, which aims to solve the technical problems in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions:
the sequential slide core-pulling and demolding mechanism comprises a rear mold insert, a slide component and a core-pulling device, wherein the slide component is arranged in the rear mold insert, and the core-pulling device is inserted into the slide component and is fixedly connected with the rear mold insert; the core pulling device comprises a movable pin, a fixed block, a guide block and a first driving device, wherein the guide block is arranged above the fixed block, the guide block is arranged below the rear mold insert and is fixedly connected with the rear mold insert, the bottom end of the movable pin penetrates through the guide block and is fixedly connected with the fixed block, the top end of the movable pin is inserted into the row position assembly, the first driving device is in driving connection with the fixed block, and the first driving device drives the fixed block to move up and down; the guide block is provided with at least one positioning hole, the positioning hole is inserted with a positioning block, and the movable pin is provided with at least one positioning groove corresponding to the positioning hole.
The row component comprises a first molding piece and a second molding piece, the first molding piece and the second molding piece are oppositely arranged, and the first molding piece and the second molding piece are respectively arranged on two sides of the top end of the movable pin and are respectively connected with the movable pin in a sliding manner.
The top of movable pin is the toper portion, the front and back bilateral symmetry of toper portion is equipped with the slip table district, the slip table district includes left slip table and the right slip table of the sideline structure of both ends about the toper portion, be equipped with first opening spout on the first shaping, be equipped with the second opening spout on the second shaping, left slip table up-and-down motion in first opening spout, right slip table up-and-down motion in the second opening spout.
The top of first shaping spare and second shaping spare is equipped with first back-off position and second back-off position respectively, one side of first shaping spare or second shaping spare is equipped with the knot position.
The device is characterized by further comprising a limiting auxiliary mechanism, wherein the limiting auxiliary mechanism comprises a second driving device and a clamping block, the front end of the clamping block is in contact with the fixed block, the rear end of the clamping block is connected with the second driving device, and the second driving device drives the clamping block to move back and forth.
The front end of the clamping block is provided with a U-shaped limiting hole, a boss is arranged below the fixing block, and the U-shaped hole limiting hole is correspondingly clamped on the boss of the fixing block.
Compared with the prior art, the sequential slide core-pulling demolding mechanism is novel in design and high in practicability, the buckling positions on the first molding piece or the second molding piece on the slide assembly are separated from products through the movable pins of the core-pulling device, and then the products are reversely buckled and demolded, so that the damage of forced core pulling to the products is avoided, and the quality of the products is ensured.
Drawings
Fig. 1: the product structure of the invention is schematically shown;
fig. 2: an enlarged view at a of fig. 1;
fig. 3: a schematic structural diagram of a sequential slide core pulling and demolding mechanism;
fig. 4: an exploded view of a sequential slide core pulling and demolding mechanism;
fig. 5: a row bit assembly schematic diagram;
fig. 6: a front view of the movable pin;
fig. 7: a schematic diagram of a die assembly structure of a sequential slide core pulling and demolding mechanism;
fig. 8: schematic diagram of a die assembly internal structure of a sequential slide core pulling and demolding mechanism;
fig. 9: schematic diagram of core-pulling and demolding working principle of sequential slide core-pulling and demolding mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Specific example 1: referring to fig. 3 to 6, in an embodiment of the present invention, a sequential slide core-pulling demolding mechanism includes a rear mold insert 1, a slide assembly 2 and a core-pulling device 3, wherein the slide assembly 2 is disposed in the rear mold insert 1, and the core-pulling device 3 is inserted into the slide assembly 2 and fixedly connected with the rear mold insert 1; the core pulling device 3 comprises a movable pin 301, a fixed block 303, a guide block 302 and a first driving device 304, wherein the guide block 302 is arranged above the fixed block 303, the guide block 302 is arranged below the rear mold insert 1 and is fixedly connected with the rear mold insert 1, the bottom end of the movable pin 301 penetrates through the guide block 302 and is fixedly connected with the fixed block 303, fixing grooves 301-2 are symmetrically formed in the left side and the right side of the bottom end of the movable pin 301, the fixing grooves 301-2 are of U-shaped structures, two fixing holes 303-1 are formed in the fixed block 303 and correspond to the positions of the fixing grooves 301-2, when the fixing device is installed, the bottom end of the movable pin 301 is inserted into the fixed block 303, and when the position of the fixing groove 301-2 corresponds to the position of the fixing hole 303-1, a positioning pin is inserted into the fixing hole 303-1, and the movable pin 301 and the fixed block 303 are fixed through the positioning pin.
The top end of the movable pin 301 is inserted into the row bit assembly 2, the first driving device 304 is in driving connection with the fixed block 303, and the first driving device 304 drives the fixed block 303 to move up and down; the left and right sides symmetry of guide block 302 is equipped with locating hole 302-1, locating hole 302-1 is rectangular structure, insert locating piece 4 in the locating hole 302-1 respectively, the left and right sides of movable pin 301 is equipped with constant head tank 301-1 and locating hole 302-1 position correspondence respectively. The positioning block 4 is of a rectangular structure, chamfers are respectively arranged on the periphery of the positioning block 4, and the section of the positioning groove 301-1 is of an inverted trapezoid structure, so that the positioning block 4 can conveniently enter the positioning groove 301-1.
The slide assembly 2 comprises a first molding piece 201 and a second molding piece 202, wherein the first molding piece 201 and the second molding piece 202 are oppositely arranged, and the first molding piece 201 and the second molding piece 202 are respectively arranged on two sides of the top end of the movable pin 301 and are respectively in sliding connection with the movable pin 301. The top ends of the first molding piece 201 and the second molding piece 202 are respectively provided with a first back-off position 201-2 and a second back-off position 202-2, and one side of the first molding piece 201 is provided with a button position 201-3.
The top of the movable pin 301 is a conical portion, sliding table areas 301-3 are symmetrically arranged on the front side and the rear side of the conical portion, the sliding table areas 301-3 comprise left sliding tables 301-3-1 and right sliding tables 301-3-2 which are arranged along the edge structures of the left end and the right end of the conical portion, a first opening sliding groove 201-1 is formed in the first forming piece 201, a second opening sliding groove 202-1 is formed in the second forming piece 202, the left sliding tables 301-3-1 move up and down in the first opening sliding groove 201-1, and the right sliding tables 301-3-2 move up and down in the second opening sliding groove 202-1.
The sequential slide core pulling and demolding mechanism further comprises a limiting auxiliary mechanism 5, the limiting auxiliary mechanism 5 comprises a second driving device 501 and a clamping block 502, the front end of the clamping block 502 is in contact with the fixed block 303, the rear end of the clamping block 502 is connected with the second driving device 501, and the second driving device 501 drives the clamping block 502 to move back and forth. The first driving device 304 and the second driving device 501 are driven by an oil cylinder or an air cylinder. The front end of the clamping block 502 is provided with a U-shaped limiting hole 502-1, a boss 303-2 is arranged below the fixed block 303, and when the die is closed, the U-shaped limiting hole 502-1 of the clamping block 502 is correspondingly clamped on the boss 303-2 of the fixed block 303 to fix the position of the fixed block 303. The limit auxiliary mechanism 5 is provided to avoid damage to parts caused by downward sliding of the movable pin 301 in the mold closing operation, and influence on the production operation.
The working process comprises the following steps: referring to fig. 7 to 9, after the product 6 is formed, the second driving device 501 drives the clamping block 502 to move backward, the clamping block 502 is separated from the fixed block 303, the first driving device 304 drives the movable pin 301 to move downward, because the top end surface of the movable pin 301 is a tapered portion, when the movable pin 301 moves downward, the first molding piece 201 and the second molding piece 202 in the rear mold insert 1 approach inwards along the left sliding table 301-3-1 and the right sliding table 301-3-2 respectively, the buckling bit 201-3 on one side of the first molding piece 201 is separated from the product 6, the movable pin 301 continuously moves downward, the first molding piece 201 and the second molding piece 202 in the rear mold insert 1 continuously move downward, the first buckling bit 201-2 of the first molding piece 201 and the second buckling bit 202-2 of the second molding piece 202 are separated from the product 6 respectively, when the positioning groove 301-1 of the movable pin 301 matches with the positioning hole 302-1 of the guide block 302, the positioning block 4 is clamped into the positioning groove 301-1, the movable pin 301 is continuously moved downward by the positioning block 4, and the first molding piece 201 and the second molding piece 202 is continuously driven by the first driving device to move downward, and the second molding piece 202 is simultaneously separated from the first molding piece 1 and the second molding piece 2 is continuously moved downward, and the second molding piece 2 is simultaneously moved downward, and the product is simultaneously separated from the positioning block 2 is finished.
Compared with the prior art, the sequential slide core-pulling demolding mechanism is novel in design and high in practicability, the buckling positions on the first molding piece or the second molding piece on the slide assembly are separated from products through the movable pins of the core-pulling device, and then the products are reversely buckled and demolded, so that the damage of forced core pulling to the products is avoided, and the quality of the products is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. A sequential slide core-pulling demoulding mechanism is characterized in that: the core pulling device is inserted into the slide assembly and is fixedly connected with the rear mold insert; the core pulling device comprises a movable pin, a fixed block, a guide block and a first driving device, wherein the guide block is arranged above the fixed block, the guide block is arranged below the rear mold insert and is fixedly connected with the rear mold insert, the bottom end of the movable pin penetrates through the guide block and is fixedly connected with the fixed block, the top end of the movable pin is inserted into the row position assembly, the first driving device is in driving connection with the fixed block, and the first driving device drives the fixed block to move up and down; the guide block is provided with at least one positioning hole, the positioning hole is inserted with a positioning block, and the movable pin is provided with at least one positioning groove corresponding to the positioning hole; the row component comprises a first molding piece and a second molding piece, the first molding piece and the second molding piece are oppositely arranged, and the first molding piece and the second molding piece are respectively arranged on two sides of the top end of the movable pin and are respectively connected with the movable pin in a sliding manner; the top end of the movable pin is a conical part, sliding table areas are symmetrically arranged on the front side and the rear side of the conical part, each sliding table area comprises a left sliding table and a right sliding table which are arranged along the side line structures of the left end and the right end of the conical part, a first opening sliding groove is formed in the first forming part, a second opening sliding groove is formed in the second forming part, the left sliding table moves up and down in the first opening sliding groove, and the right sliding table moves up and down in the second opening sliding groove; the top of first shaping spare and second shaping spare is equipped with first back-off position and second back-off position respectively, one side of first shaping spare or second shaping spare is equipped with the knot position.
2. The sequential row core pulling and demolding mechanism as claimed in claim 1, wherein: the device is characterized by further comprising a limiting auxiliary mechanism, wherein the limiting auxiliary mechanism comprises a second driving device and a clamping block, the front end of the clamping block is in contact with the fixed block, the rear end of the clamping block is connected with the second driving device, and the second driving device drives the clamping block to move back and forth.
3. The sequential slide core-pulling and demolding mechanism as claimed in claim 2, wherein: the front end of the clamping block is provided with a U-shaped limiting hole, a boss is arranged below the fixing block, and the U-shaped limiting hole is correspondingly clamped on the boss of the fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052901.8A CN109624151B (en) | 2019-01-21 | 2019-01-21 | Sequential slide core-pulling demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052901.8A CN109624151B (en) | 2019-01-21 | 2019-01-21 | Sequential slide core-pulling demoulding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109624151A CN109624151A (en) | 2019-04-16 |
| CN109624151B true CN109624151B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910052901.8A Active CN109624151B (en) | 2019-01-21 | 2019-01-21 | Sequential slide core-pulling demoulding mechanism |
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| CN205704888U (en) * | 2016-06-15 | 2016-11-23 | 东莞市绿科塑胶制品有限公司 | Inner core pulling dropout mold mechanism |
| CN206186279U (en) * | 2016-11-23 | 2017-05-24 | 宁波周龙塑胶模具有限公司 | Concentric contraction core pulling and demolding device of cyclic annular back -off of injection mold |
| CN206718361U (en) * | 2017-05-09 | 2017-12-08 | 台州职业技术学院 | It is a kind of to pour inner drawing type plastic mould from dynamic circuit breaker with gas-liquid mixed cooling system |
| CN206913614U (en) * | 2017-05-17 | 2018-01-23 | 宁波斯穆汽车模具有限公司 | Core pulling positioning mechanism for mould |
| CN107283693A (en) * | 2017-06-30 | 2017-10-24 | 上海合辉电子元件有限公司 | A kind of demolding structure and its release method of thermoplastic shaping mould |
| CN207736650U (en) * | 2017-12-29 | 2018-08-17 | 宁波誉立精密模具有限公司 | A kind of plastic mould realizes the mould structure of the whole circle back-off demoulding of product |
| CN108582701A (en) * | 2018-05-17 | 2018-09-28 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of special four sides inner core pulling demoulding mechanism |
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| CN109624151A (en) | 2019-04-16 |
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