CN112297367B - Tunnel switching-over structure of loosing core in slider - Google Patents
Tunnel switching-over structure of loosing core in slider Download PDFInfo
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- CN112297367B CN112297367B CN202010908888.4A CN202010908888A CN112297367B CN 112297367 B CN112297367 B CN 112297367B CN 202010908888 A CN202010908888 A CN 202010908888A CN 112297367 B CN112297367 B CN 112297367B
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- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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- 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
- B29C45/2602—Mould construction elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
Abstract
The invention discloses a tunnel reversing core-pulling structure in a sliding block, which comprises a main sliding block, a side sliding block and a slave sliding block, wherein the main sliding block is provided with a first guide rail; one side of the main sliding block, which is close to the molding surface, is provided with a sliding block groove for installing a side sliding block, and the side sliding block is arranged on the sliding block groove through a first sliding strip and a second sliding strip; a slide block cavity is arranged in the main slide block, and the auxiliary slide block is arranged in the slide block cavity; a first guide hole is formed in the side sliding block, and a first guide pillar is inserted into the first guide hole; a second guide hole is formed in the secondary slide block, and a second guide pillar is inserted into the second guide hole; the bottom of the main sliding block is also provided with a main sliding strip and a supporting block, the end parts of the two main sliding strips are provided with connecting blocks, and the connecting blocks are connected with the oil cylinder; the side slide block and the slave slide block of the die are attached to the main slide block, and the movable connecting structure is adopted, so that the die is convenient to disassemble and assemble, particularly, accessories in complex forming areas of the die are easy to damage in long-term production, and new accessories are easy to manufacture and replace, so that the service life of the whole die is prolonged, and the production cost of products is reduced.
Description
Technical Field
The invention relates to the technical field of mold design and manufacture, in particular to a reversing core-pulling structure of a tunnel in a sliding block.
Background
Modern automobile manufacturing or 3C products use engineering plastics in a large amount, in order to achieve multifunction or multiple purposes of the products, the structural design of the products is complex, the products comprise a plurality of structures such as lock catches or curved surface invaginations, bosses at the edges of the products and the like, and the production mode of the products generally adopts injection molding. Because the injection molding process has short process flow, the mechanical automation is easy to realize, and multi-process composite molding is provided, such as multi-color molding technology which is developed rapidly in recent years. In order to produce products meeting design requirements, the die structure is complex, and a plurality of die action mechanisms are provided.
At present, for products with superposed structures, a manufactured mold is usually in a structure of a formed product, and a composite structure in which an oil cylinder is used for pulling a core is adopted in the mold, or complex structures such as secondary mold ejection and the like are used in the mold forming structure, so that the superposed products are finally produced. When the oil cylinder is used for pulling cores or ejecting the cores twice and other complex structures, the following defects are overcome: the required space of the mold structure is large, the size of the mold is correspondingly increased, and the tonnage of the production machine is increased. When the oil cylinder power element and the ejection part thereof are added, the mold is more complicated to manufacture, and the cost is greatly increased. When the oil cylinder drives the mould structure, the corresponding action time of the mould is prolonged when the mould is opened and closed in production, so that the production efficiency of the mould is influenced, and the production cost of the product is increased. Therefore, a tunnel reversing core-pulling structure in the sliding block is designed to solve the technical problems.
Disclosure of Invention
In view of this, the present invention aims to overcome the defects of the prior art, and provides a reversing core-pulling structure for a tunnel in a slider, which is used for producing a product with a superimposed structure in an injection molding product, so as to solve the problem of avoiding multiple mechanism actions of a mold while not increasing the space size of the mold, and the mold is convenient to disassemble and assemble and low in maintenance cost.
In order to achieve the purpose, the invention provides a tunnel reversing core-pulling structure in a sliding block, which comprises a main sliding block, a side sliding block and a slave sliding block; one side of the main sliding block, which is close to the forming surface, is provided with a sliding block groove for mounting the side sliding block, and the side sliding block is mounted on the sliding block groove through a first sliding strip and a second sliding strip; a slide block cavity is formed in the main slide block, and the auxiliary slide block is arranged in the slide block cavity; a first guide hole is formed in the side sliding block, and a first guide pillar is inserted into the first guide hole; a second guide hole is formed in the slave sliding block, and a second guide pillar is inserted into the second guide hole; the bottom of the main sliding block is also provided with a main sliding strip and a supporting block, the end parts of the two main sliding strips are provided with connecting blocks, the connecting blocks are connected with a power mechanism, and the power mechanism is an oil cylinder, an air cylinder or a motor. After the mold finishes product molding, in the opening process of the mold, a rear first guide pillar and a rear second guide pillar which are arranged on the fixed mold side of the mold are separated from the inner parts of the first guide hole and the second guide hole, and in the separating process, the first guide pillar and the second guide pillar push the side slide block and separate from the slide block; the oil cylinder pulls the main sliding block to withdraw from the die, so that the product is demoulded; during the process that the oil cylinder pulls the main slide block to withdraw, the side slide block and the slave slide block attached to the main slide block are also withdrawn together.
Furthermore, a first sliding groove is formed in the side wall of a sliding block groove of the main sliding block, a second sliding groove is formed in the bottom surface of the sliding block groove, and the first sliding strip is installed in the first sliding groove; the second sliding strip is arranged in the second sliding groove, the side sliding block is arranged on the first sliding strip and the second sliding strip, the first sliding surface and the second sliding surface form a spatial vertical plane, and the cross sections of the first sliding strip and the second sliding strip are arranged to be T-shaped structures. Due to the structural arrangement mode, the first sliding surface and the second sliding surface form a spatial vertical plane, so that the side sliding block can stably act when in use, the sliding strip at the bottom can support the side sliding block to freely slide while guiding the side sliding block, the friction and the abrasion between the side sliding block and the main sliding block are reduced, and the service lives of the side sliding block and the main sliding block are prolonged; simultaneously mutually perpendicular sets up like this, and its first draw runner and second draw runner can also prevent the dislocation at the slip in-process to guarantee the fashioned product size stability of mould.
Furthermore, a first forming block and a first buffer hole are further arranged on the side sliding block, the first buffer hole and the first forming block are located on the same side face of the side sliding block, and a buffer block is arranged in the first buffer hole. In the arrangement mode, when the side slide block of the mold is pushed by the first guide post to be close to the main slide block when the mold is closed, the buffer block arranged in the first buffer hole can fully prevent the side slide block from colliding with the main slide block to be damaged; when the die is opened, the buffer block applies pushing force to the side slide block to prevent the side slide block and the main slide block from being locked.
Furthermore, the slave sliding block further comprises a pressing block, a connecting table, a driven block and a second forming block, one end of the driven block is movably connected with the slave sliding block through the connecting table, and the other end of the driven block is detachably connected with the second forming block;
a connecting table is arranged at one end of the slave sliding block, a first lock catch is arranged on the connecting table, the cross section of the first lock catch 1 is of a T-shaped structure, and the first lock catch is positioned at one side edge of the connecting table; a first locking groove matched with the first locking buckle for use is formed in one end, close to the first locking buckle, of the driven block, and a second locking groove is formed in the other end of the driven block; a second lock catch matched with the second locking groove for use is arranged at one end, close to the second locking groove, of the second forming block, and a second forming table is arranged at the other end of the second forming block;
the second forming table is matched with the first forming block for use to form a product;
the connecting platform and the driven block are trapezoidal blocks which are matched with each other, and the first lock catch and the first lock groove are respectively positioned on the inclined side surfaces of the two trapezoidal blocks. The structure arrangement mode is characterized in that the two trapezoidal blocks are in matched action, the sliding is stable, the action is continuous, meanwhile, the first lock catch and the first lock groove are mutually meshed, lubricating oil is easily stored, the friction and the abrasion between the first lock catch and the first lock groove are further reduced, and the service life of parts is prolonged. The working process comprises the following steps: when the mold is opened, the second guide pillar drives the second guide pillar to withdraw from the sliding block, so that the first lock catch of the connecting table gradually withdraws from the first lock groove, the driven block pulls the second forming block to withdraw, finally, the second forming block is separated from the first forming block, and the product is demoulded; the above-mentioned actions are reversed when the mold is closed.
Preferably, the limiting block is arranged in the limiting hole in the main sliding block, the limiting block is pressed on the connecting table and the driven block, the connecting table and the driven block are convenient to assemble and disassemble, dislocation of the connecting table and the driven block in the motion process can be further avoided, and therefore the matching accuracy of the second forming block and the first forming block is improved.
Preferably, the slave sliding block is further provided with a second buffer hole, the second buffer hole and the connecting table are located on the same side face of the slave sliding block, and a plurality of buffer blocks are arranged in the second buffer holes. In such a setting mode, when the slave slide block moves forwards under the pushing of the second guide pillar to be close to the limiting block in the mold closing process, the buffer block arranged in the second buffer hole can fully prevent the slave slide block from colliding with the master slide block to damage a slide block cavity in the master slide block;
preferably, the first locking groove of the driven block is arranged along the length direction of the inclined side surface, and the second locking groove and the second locking catch are in clearance fit; the arrangement mode is convenient to disassemble, assemble and replace, and meanwhile, the movement between the two parts is more flexible.
Compared with the prior art, the invention has the following beneficial effects:
1. the side sliding blocks and the slave sliding blocks of the die are attached to the main sliding block, and the movable connecting structure is adopted, so that the die is convenient to disassemble, assemble and replace in production and maintenance, particularly, accessories in complex forming areas of the die are easy to damage in long-term production, new accessories are easy to manufacture and replace, the service life of the whole die is prolonged, the utilization rate of the die is increased, and the production cost of the die is reduced.
2. The tunnel reversing core-pulling structure in the sliding block is suitable for producing products with a superposition structure in injection molding products, and the coordination of actions of multiple mechanisms of the mold is realized without increasing the space size of the mold.
3. The connecting platform and the driven piece of the slider of the die are trapezoidal blocks which are matched with each other, the lock catch and the lock groove are arranged on the inclined side surfaces of the two trapezoidal blocks, the two trapezoidal blocks are matched with each other to move stably and continuously, meanwhile, the lock catch and the lock groove are mutually occluded to easily store lubricating oil, so that the friction and the abrasion between the lock catch and the lock groove are further reduced, and the service life of parts is prolonged.
4. The side slider and the slave slider of the die are respectively provided with the buffer block, so that the side slider, the slave slider and the master slider can be effectively prevented from being collided to damage the master slider and damage the sliders to each other.
Drawings
FIG. 1 is an assembly schematic view of a tunnel reversing core-pulling structure in a sliding block according to the present invention;
FIG. 2 is an assembled sectional view of the tunnel reversing core-pulling structure in the sliding block;
FIG. 3 is a main slider diagram of a tunnel reversing core-pulling structure in a slider according to the present invention;
FIG. 4 is an assembly drawing of a side slide block and a slave slide block of the tunnel reversing core pulling structure in the slide block;
FIG. 5 is an orthographic view of a side slide block and a slave slide block of the tunnel reversing core pulling structure in the slide block;
FIG. 6 is a drawing of the reversing core-pulling structure of the tunnel in the slide block, which is disassembled from the slide block.
The labels in the figure are: 1-main slide block, 11-main slide bar, 12-supporting block, 13-connecting block, 14-forming surface, 15-slide block groove, 151-first slide groove, 152-second slide groove, 16-slide block cavity, and 17-limiting hole; 2-side sliding block, 21-fixed block, 211-first guide hole, 212-first guide post, 22-first slide bar, 23-second slide bar, 221-first slide surface, 231-second slide surface, 24-first forming block, 25-first buffer hole; 3-slave sliding block, 31-pressing block, 311-second guide hole, 312-second guide post, 32-connecting table, 321-first lock catch, 33-slave block, 331-first lock groove, 332-second lock groove, 34-second forming block, 341-second forming table, 342-second lock catch, 35-second buffer hole, 36-limiting block and 37-oblique side surface; 4-products.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples, so that those skilled in the art can fully understand the technical contents of the present invention. It should be noted that the specific embodiments described herein are only for explaining the present invention and are not used to limit the present invention.
In the description of the present invention, it is to be understood that the terms "center," "left," "right," "upper," "lower," "top," "bottom," "inner," "outer," "front," "rear," "leading," "trailing," and the like are used in relative terms or positional relationships, as may be used in conjunction with the accompanying drawings, to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and therefore are not to be construed as limiting the invention.
The technical scheme of the invention is described in detail with reference to the accompanying drawings 1 and 2, and the reversing core-pulling structure for the tunnel in the sliding block comprises a main sliding block 1, a side sliding block 2 and a slave sliding block 3; one side of the main slider 1 close to the forming surface 14 is provided with a slider groove 15 for installing the side slider 2, and the side slider 2 is arranged on the slider groove 15 through a first slide bar 22 and a second slide bar 23; a slide block cavity 16 is arranged in the main slide block 1, and the auxiliary slide block 3 is arranged in the slide block cavity 16; the side sliding block 2 is provided with a first guide hole 211, and a first guide pillar 212 is inserted into the first guide hole 211; a second guide hole 311 is arranged on the sliding block 3, and a second guide pillar 312 is inserted into the second guide hole 311; the bottom of the main sliding block 1 is also provided with main sliding strips 11 and supporting blocks 12, the end parts of the two main sliding strips 11 are provided with connecting blocks 13, and the connecting blocks 13 are connected with a power mechanism (not shown), wherein the power mechanism is an oil cylinder, an air cylinder or a motor. After the mold completes the molding of the product 4, the mold is opened, the rear first guide post 212 and second guide post 312 installed on the fixed side of the mold are released from the inside of the first guide hole 211 and second guide hole 311, and during the releasing, the first guide post 212 and second guide post 312 push the side slide 2 and are separated from the slide 3; the oil cylinder pulls the main sliding block 1 to withdraw from the die, so that the product 4 is demoulded; in the process that the oil cylinder pulls the main slide block 1 to withdraw, the side slide block 2 attached to the main slide block 1 and the slave slide block 3 also withdraw together. The side slide block and the slave slide block of the die are attached to the main slide block, and the movable connecting structure is adopted, so that the die is convenient to disassemble, assemble and replace in production and maintenance, particularly, accessories in the complex forming areas of the die are easy to damage in long-term production, and new accessories are easy to manufacture and replace, so that the service life of the whole die is prolonged, the utilization rate of the die is improved, and the production cost of the die is reduced.
With reference to fig. 3, 4 and 5, a further improvement of the present invention is that the side wall of the slider slot 15 of the main slider 1 is provided with a first sliding slot 151, the bottom surface of the slider slot 15 is provided with a second sliding slot 152, and the first sliding strip 22 is installed in the first sliding slot 151; the second slide bar 23 is installed in the second sliding groove 152, the side slider 2 is installed on the first slide bar 22 and the second slide bar 23, the first slide surface 221 and the second slide surface 231 form a spatial vertical plane, and the cross sections of the first slide bar 22 and the second slide bar 23 are arranged in a T-shaped structure. Due to the structural arrangement mode, the first sliding surface 221 and the second sliding surface 231 form a spatial vertical plane (namely, the first sliding strip 22 and the second sliding strip 23 are distributed at the bottom and the side of the side sliding block 2), so that the side sliding block can stably act when in use, wherein the sliding strip at the bottom (namely, the second sliding strip 23) can support the side sliding block to freely slide while guiding the side sliding block, the friction and the abrasion between the side sliding block and the main sliding block are reduced, and the service lives of the side sliding block and the main sliding block are prolonged; simultaneously mutually perpendicular sets up like this, and its first draw runner and second draw runner can also prevent the dislocation at the slip in-process to guarantee the fashioned product size stability of mould.
As shown in fig. 4 and 5, the side block 2 is further provided with a first forming block 24 and a first buffer hole 25, the first buffer hole 25 and the first forming block 24 are located on the same side surface of the side block 2, and a buffer block is disposed in the first buffer hole 25. In such a setting mode, when the side slide block of the mold is pushed by the first guide pillar and the first forming block of the side slide block is close to the main slide block when the mold is closed, the buffer block arranged in the first buffer hole can fully prevent the side slide block from colliding with the main slide block to be damaged; when the die is opened, the buffer block applies a pushing force to the side sliding block so as to prevent the side sliding block and the main sliding block from being locked.
Be provided with stopper 36 in the spacing hole 17 on the main sliding block 1, stopper 36 pressfitting is on connecting platform 32 and driven piece 33, and such mode of setting up, mould easy dismounting can also further avoid connecting platform 32 and driven piece 33 dislocation appear in the motion process to improve second shaping piece 34 and first shaping piece 24 cooperation precision. The slave slide block 3 is further provided with a second buffer hole 35, the second buffer hole 55 and the connecting table 32 are located on the same side face of the slave slide block 3, and buffer blocks are arranged in the plurality of second buffer holes 35. In such an arrangement mode, when the secondary slide block moves forwards under the pushing of the second guide post to be close to the limiting block 36 during the die assembly of the die, the buffer block arranged in the second buffer hole can fully prevent the secondary slide block from colliding with the main slide block to damage a slide block cavity in the main slide block; the first lock slot 331 of the driven block 33 is arranged along the length direction of the inclined side surface 37, and the second lock slot 332 and the second lock catch 342 are arranged in clearance fit; the arrangement mode is convenient to disassemble, assemble and replace, and meanwhile, the movement between the two parts is more flexible.
As shown in fig. 4, 5 and 6, as a further improvement, the slave slide block 3 further includes a pressing block 31, a connecting table 32, a driven block 33 and a second forming block 34, the pressing block 31 is used for fixing the second guide post 312, one end of the driven block 33 is movably connected with the slave slide block 3 through the connecting table 32, and the other end of the driven block 33 is detachably connected with the second forming block 34; a connecting platform 32 is arranged at one end of the sliding block 3, a first lock catch 321 is arranged on the connecting platform 32, the section of the first lock catch 321 is of a T-shaped structure, and the first lock catch 321 is positioned at one side edge of the connecting platform 32; a first locking groove 331 matched with the first locking buckle 321 is formed at one end, close to the first locking buckle 321, of the driven block 33, and a second locking groove 332 is formed at the other end of the driven block 33; a second lock catch 342 matched with the second lock groove 332 is arranged at one end, close to the second lock groove 332, of the second forming block 34, and a second forming table 341 is arranged at the other end of the second forming block 34; the second forming table 341 is used in cooperation with the first forming block 24 to form the product 4; the connecting platform 32 and the driven piece 33 are trapezoidal pieces which are used in cooperation with each other, and the first locking catch 321 and the first locking groove 331 are respectively located on the inclined side surfaces 37 of the two trapezoidal pieces. Due to the arrangement mode of the structure, the two trapezoidal blocks are in matched action, slide stably and continuously, and meanwhile, the first lock catch 321 and the first lock groove 331 are mutually meshed to easily store lubricating oil, so that the friction wear between the two trapezoidal blocks is further reduced, and the service life of parts is prolonged. The working process comprises the following steps: when the mold is opened, the second guide pillar 312 drives the second guide pillar to withdraw from the slide block 3, so that the first lock catch 321 of the connecting table 32 gradually withdraws from the first lock groove 331, the driven block 33 pulls the second forming block 34 to retreat, finally the second forming block 34 is separated from the first forming block 24, and the product 4 is demolded; the above-mentioned actions are reversed when the mold is closed.
The connecting platform and the driven piece of the slider of the die are trapezoidal blocks which are matched with each other, the lock catch and the lock groove are arranged on the inclined side surfaces of the two trapezoidal blocks, the two trapezoidal blocks are matched with each other to move stably and continuously, meanwhile, the lock catch and the lock groove are mutually occluded to easily store lubricating oil, so that the friction and the abrasion between the lock catch and the lock groove are further reduced, and the service life of parts is prolonged.
The action process of the tunnel reversing core-pulling structure in the sliding block is as follows: after the mold completes the molding of the product 4, the rear first guide post 212 and second guide post 312 installed at the mold fixing side of the mold are released from the inside of the first guide hole 211 and second guide hole 311 during the mold opening process, and the first guide post 212 and second guide post 312 push the side slide 2 and are separated from the slide 3 during the releasing process; the oil cylinder pulls the main sliding block 1 to withdraw from the die, so that the product 4 is demoulded; in the process that the oil cylinder pulls the main sliding block 1 to withdraw, the side sliding block 2 attached to the main sliding block 1 and the slave sliding block 3 are also withdrawn together. The process of the mold clamping is reciprocal to the above action.
The further working process of the slave slide block 3 is as follows: when the mold is opened, the second guide pillar 312 drives the second guide pillar to withdraw from the slide block 3, so that the first lock catch 321 of the connecting table 32 gradually withdraws from the first lock groove 331, the driven block 33 pulls the second forming block 34 to retreat, finally the second forming block 34 is separated from the first forming block 24, and the product 4 is demolded; the above-mentioned actions are reversed when the mold is closed.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (5)
1. The utility model provides a tunnel switching-over structure of loosing core in slider, includes main slider (1), side slider (2) and follows slider (3), its characterized in that:
the main sliding block (1) is arranged in the die main body, one side, close to a forming surface (14), of the main sliding block is provided with a sliding block groove (15) for installing the side sliding block (2), and the side sliding block (2) is arranged on the sliding block groove (15) through a first sliding strip (22) and a second sliding strip (23);
a sliding block cavity (16) is formed in the main sliding block (1), and the auxiliary sliding block (3) is arranged in the sliding block cavity (16);
a first guide hole (211) is formed in the side sliding block (2), and a first guide pillar (212) is inserted into the first guide hole (211); a second guide hole (311) is formed in the slave sliding block (3), and a second guide pillar (312) is inserted into the second guide hole (311);
the main sliding block (1) is further provided with a limiting hole (17), main sliding strips (11) and a supporting block (12), connecting blocks (13) are arranged at the end parts of the two main sliding strips (11), and the connecting blocks (13) are connected with a power mechanism;
a first sliding groove (151) is formed in the side wall of a sliding block groove (15) of the main sliding block (1), a second sliding groove (152) is formed in the bottom surface of the sliding block groove (15), and the first sliding strip (22) is installed in the first sliding groove (151); the second slide bar (23) is mounted in the second chute (152);
the side sliding block (2) is arranged on the first sliding strip (22) and the second sliding strip (23), the first sliding strip (22) and the second sliding strip (23) are respectively provided with a first sliding surface (221) and a second sliding surface (231), and the first sliding surface (221) and the second sliding surface (231) form a spatial mutually vertical surface;
the slave sliding block (3) further comprises a pressing block (31), a connecting table (32), a driven block (33) and a second forming block (34), one end of the driven block (33) is movably connected with the slave sliding block (3) through the connecting table (32), and the other end of the driven block (33) is detachably connected with the second forming block (34);
a connecting table (32) is arranged at one end of the driven sliding block (3), a first lock catch (321) is arranged on the connecting table (32), a first lock groove (331) matched with the first lock catch (321) for use is arranged at one end, close to the first lock catch (321), of the driven block (33), and a second lock groove (332) is arranged at the other end of the driven block (33); a second lock catch (342) matched with the second locking groove (332) for use is arranged at one end, close to the second locking groove (332), of the second forming block (34), and a second forming table (341) is arranged at the other end of the second forming block (34);
limiting blocks (36) are arranged in limiting holes (17) in the main sliding block (1), and the limiting blocks (36) are pressed on the connecting table (32) and the driven block (33).
2. The reversing core-pulling structure for the tunnel in the sliding block according to claim 1, characterized in that:
the cross sections of the first sliding strip (22) and the second sliding strip (23) are of T-shaped structures.
3. The reversing core-pulling structure for the tunnel in the sliding block according to claim 1, characterized in that:
the side sliding block (2) is further provided with a first forming block (24) and a first buffer hole (25), and a buffer block is arranged in the first buffer hole (25).
4. The reversing core-pulling structure for the tunnel in the sliding block according to claim 1, characterized in that:
the connecting platform (32) and the driven block (33) are trapezoidal blocks which are matched with each other, and the first lock catch (321) and the first lock groove (331) are respectively positioned on the inclined side surfaces (37) of the connecting platform (32) and the driven block (33).
5. The reversing core-pulling structure for the tunnel in the sliding block according to claim 1, characterized in that:
the first locking groove (331) of the driven block (33) is arranged along the length direction of the inclined side surface (37), and the second locking groove (332) is in clearance fit with the second locking buckle (342).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010908888.4A CN112297367B (en) | 2020-09-02 | 2020-09-02 | Tunnel switching-over structure of loosing core in slider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010908888.4A CN112297367B (en) | 2020-09-02 | 2020-09-02 | Tunnel switching-over structure of loosing core in slider |
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| Publication Number | Publication Date |
|---|---|
| CN112297367A CN112297367A (en) | 2021-02-02 |
| CN112297367B true CN112297367B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010908888.4A Active CN112297367B (en) | 2020-09-02 | 2020-09-02 | Tunnel switching-over structure of loosing core in slider |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204749163U (en) * | 2015-07-03 | 2015-11-11 | 常州博赢模具有限公司 | Injection mold with front mould tunnel mechanism of loosing core |
| CN206718341U (en) * | 2017-01-25 | 2017-12-08 | 无锡市雷克莱特电器有限公司 | Accessory manufacture mould in coffee crusher body |
-
2020
- 2020-09-02 CN CN202010908888.4A patent/CN112297367B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204749163U (en) * | 2015-07-03 | 2015-11-11 | 常州博赢模具有限公司 | Injection mold with front mould tunnel mechanism of loosing core |
| CN206718341U (en) * | 2017-01-25 | 2017-12-08 | 无锡市雷克莱特电器有限公司 | Accessory manufacture mould in coffee crusher body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112297367A (en) | 2021-02-02 |
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