CN117261122B - Semi-automatic demoulding tooth reaming device - Google Patents
Semi-automatic demoulding tooth reaming device Download PDFInfo
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- CN117261122B CN117261122B CN202311549643.7A CN202311549643A CN117261122B CN 117261122 B CN117261122 B CN 117261122B CN 202311549643 A CN202311549643 A CN 202311549643A CN 117261122 B CN117261122 B CN 117261122B
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- 238000002513 implantation Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000007943 implant Substances 0.000 claims description 78
- 238000007493 shaping process Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 18
- 238000013461 design Methods 0.000 description 13
- 230000009471 action Effects 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
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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
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a semi-automatic demolding hinge device, which comprises a plurality of sets of hinge forming structures arranged in a complete set, wherein the plurality of sets of hinge forming structures are arranged at intervals, and each set of hinge forming structures comprises: the embedded insert is cylindrical and is provided with a central hole, one end of the embedded insert is provided with a thread structure, and the peripheral surface of the other end of the embedded insert is provided with a clamping groove; the guide insert is connected with the die core; the guide insert is formed into a rod-shaped structure matched with the central hole and is inserted into the central hole, and a limiting table with the outer diameter larger than the diameter of the central hole is arranged at the end part of the guide insert; and one end of the floating plunger is connected with the die core, the other end of the floating plunger is provided with a floatable ball head, and the ball head is formed into a structure matched with the clamping groove so as to be embedded in the clamping groove to keep the position of the implantation insert relative to the die core. Therefore, the problems that the screw teeth are difficult to effectively separate and the application range of the current die is narrow are solved.
Description
Technical Field
The invention relates to the technical field of precision injection molds, in particular to a semi-automatic demolding and reaming device.
Background
Aiming at product demoulding, the scheme of selecting the hinge teeth is to adopt a half-slider to form threads. Thus, parting lines are generated on the threads, and the threaded fit connection of the product and other parts can be affected.
However, under the conditions that the products are more and the parting line is not allowed to appear in the screw thread forming, a transmission structure of a motor driving chain sprocket is generally adopted to drive 9 screw thread bodies to rotate simultaneously. However, under such design concept, the number of parts to be matched when a plurality of parts rotate in a mold is very large, the dimensional accuracy requirement for each part is extremely high, and meanwhile, the factors involved in the calculation of the driving force are more, so that the matching position accuracy, the tightening force, the friction force and the like of the parts need to be fully considered.
However, the chain belongs to flexible parts, and the problems of falling off, tooth jump, locking, breakage and the like easily occur during operation. When the actual test is assembled, the situation that the chain is blocked and broken often occurs, the difficulty of production and maintenance is too high, and a plurality of problems are easy to occur during mass production. In addition, the sprocket chain mechanism cannot meet the use requirements in terms of precision and strength. And the structure is unstable during the reciprocating motion, and the power is difficult to stably transmit. Based on the current situation, the following technical difficulties still need to be solved:
1. the product has 9 threads, and how to ensure that the 9 threads can be stably separated;
2. the parting line is not accepted on the screw thread of the product, a sliding block structure cannot be adopted, and the screw thread cannot be damaged;
3. the screw pitch of the product is only 25mm, the modification cannot be carried out, the space is very limited, and meanwhile, the structural strength of the screw is required to be ensured;
4. the current mould is only suitable for non-automatic production lines, has low production efficiency and narrow application range;
5. the injection molding machine is fixed, the size of the mold is limited, the space for design exertion is small, and the application range is limited.
Based on the above technical problems, a more reasonable technical scheme is also needed to solve the current problems.
Disclosure of Invention
The invention aims to provide a semi-automatic demolding tooth reaming device, which is used for solving the problems that threads are difficult to effectively separate from the prior art and the application range of a current mold is narrow.
In order to achieve the above purpose, the invention provides a semi-automatic demolding tooth reaming device, which is used for a mold with a molding cavity, wherein a mold core is arranged on the mold.
The semi-automatic drawing of patterns hinge tooth device includes the hinge tooth shaping structure that multiunit complete set up, multiunit hinge tooth shaping structure interval sets up, and every set of hinge tooth shaping structure includes:
the embedded insert is cylindrical and is provided with a central hole, one end of the embedded insert is provided with a thread structure, and the peripheral surface of the other end of the embedded insert is provided with a clamping groove;
the guide insert is connected with the die core; the guide insert is formed into a rod-shaped structure matched with the central hole and is inserted into the central hole, and a limiting table with the outer diameter larger than the diameter of the central hole is arranged at the end part of the guide insert; and
the floating plunger, its one end is connected in the mould benevolence, and the other end is equipped with floatable bulb, the bulb form with draw-in groove looks adaptation structure to can inlay locate in the draw-in groove, in order to keep implant inserts for the position of mould benevolence.
In one possible design, one of the implant insert and the guide insert is provided with a foolproof slot extending in the axial direction thereof; the other one of the implant insert and the guide insert is provided with a fool-proof table which is matched with the fool-proof groove, and the fool-proof table is embedded in the fool-proof groove so as to limit the freedom degree of the implant insert in the circumferential direction.
In one possible design, the floating plunger comprises a positioning seat, a spring and the ball head, wherein the positioning seat is connected with the die core, a mounting hole is formed in the positioning seat, and the axis direction of the mounting hole is perpendicular to the axis direction of the guide insert; the spring is arranged in the mounting hole, one end of the spring is connected with the positioning seat, and the other end of the spring is connected with the ball head.
In one possible embodiment, a plurality of molding bars are arranged at intervals in the guide insert, so that corresponding holes can be formed in the injection molded product.
In one possible design, a stop is provided above the thread structure of the implant insert, the diameter of the stop being greater than the diameter of the thread structure.
In one possible design, the implant insert is configured as a sleeve, and the upper outer circumferential surface of the sleeve is formed with a plurality of oppositely disposed flats.
In one possible embodiment, the thread structure is provided as an external thread and/or an internal thread.
In one possible design, the material of the implant insert and the guide insert is hot work die steel, specifically 4Cr5MoSiV1.
In one possible design, the semi-automatic demolding hinge device further comprises a manipulator, wherein the manipulator is used for clamping the implant insert and driving the implant insert to rotate after the upper die and the lower die of the mold are separated, so that the implant insert is taken out from an injection molded product.
In one possible design, the semi-automatic demolding hinge device further comprises a wrench, wherein an embedded hole is formed in the wrench, the embedded insert is inserted into the embedded hole, and when the wrench rotates, the embedded insert can be taken out from an injection molded product.
Through the screw thread structure of implantation inserts, can adopt the mode of mould internal shaping, outside the mould split mould, can guarantee the stability of mechanism's motion, through the decomposition to the shaping action, simplified mechanical structure, solved the various unstable factors that full-automatic thread removal scheme exists in the mould before. The new scheme can be used for stable mass production, and the size and quality of the product can be ensured so as to meet the production requirement. The thread forming scheme of the product still removes threads through rotary demolding, the threads of the product cannot be provided with parting lines, and damage cannot occur.
In addition, through the decomposition to the shaping action, realized effective simplification before the structure of shaping in the mould compares the scheme improvement, the mechanism operation action is simple, and the installation and the maintenance of being convenient for save the mould space, mould cost obviously reduces. Meanwhile, the actions such as external screw thread withdrawal of the die can be semi-automatic production through manual operation, and the die is suitable for test die or small-batch production. The screw machine die external screw thread withdrawing device can also be matched with a mechanical arm to clamp a product, so that full-automatic unmanned operation is realized, the production efficiency is improved, the stability is improved, and the cost is saved in the long-term mass production process. The stripping tooth mechanism is suitable for any of a variety of suitable scenarios, and can be adapted for use with a variety of similarly configured products by the assembly of the implant insert.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:
FIG. 1 is a schematic view of the structure of a semi-automatic stripping tooth apparatus in an application scenario;
FIG. 2 is a schematic perspective view of a semi-automatic stripping tooth apparatus in one embodiment;
FIG. 3 is a schematic cross-sectional view of a semi-automatic stripping tooth apparatus in one embodiment;
FIG. 4 is a schematic perspective view of a semi-automatic stripping tooth apparatus in another embodiment;
FIG. 5 is an enlarged schematic view of the portion A of FIG. 4;
FIG. 6 is an enlarged schematic view of the structure of portion B of FIG. 4;
FIG. 7 is a schematic cross-sectional view of a semi-automatic stripping tooth apparatus in another embodiment;
fig. 8 is a schematic view of the structure of a product produced using a semi-automatic stripping tooth apparatus.
Description of the reference numerals
1-implantation insert, 101-plane, 102-thread structure, 2-guiding insert, 201-limit table, 3-floating plunger, 31-positioning seat, 32-ball head, 33-gasket, 41-fool-proof groove, 42-fool-proof table, 5-molding strip, 6-stop table and 7-product.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings.
According to the specific embodiment of the invention, a semi-automatic demolding hinge tooth device is provided, and is used for a mold with a molding cavity, and a mold core is arranged on the mold. In which figures 1 to 8 show one embodiment of a semi-automatic stripping tooth device.
Referring to fig. 1 to 8, the semi-automatic demolding hinge device includes a plurality of sets of hinge forming structures arranged in a set, the plurality of sets of hinge forming structures are arranged at intervals, and each set of hinge forming structures includes: the implant insert 1 is cylindrical, the implant insert 1 is provided with a central hole, one end of the implant insert is provided with a thread structure 102, and the outer peripheral surface of the other end is provided with a clamping groove; the guide insert 2 is connected with the die core; the guide insert 2 is formed into a rod-shaped structure matched with the central hole and is inserted into the central hole, and the end part of the guide insert 2 is provided with a limit table 201 with the outer diameter larger than the diameter of the central hole; and a floating plunger 3, one end of which is connected to the mold core, and the other end of which is provided with a floatable ball head 32, the ball head 32 is formed into a structure adapted to the clamping groove so as to be capable of being embedded in the clamping groove, thereby maintaining the position of the implant insert 1 relative to the mold core.
The working process of the semi-automatic demolding tooth reaming device is summarized as follows:
step 1: the mold is opened and the implant insert 1 is installed into the mold core by manual or mechanical manipulation. The implant 1 is provided with a central hole, and basic positioning and guiding are realized through the cooperation of the guide insert 2 and the central hole during installation, (in the case of the fool-proof structure, the fool-proof structure comprises a fool-proof groove 41 and a fool-proof table 42, the fool-proof groove 41 of the implant 1 is aligned with the fool-proof groove 41 of the guide insert 2), and then the floating plunger 3 on the die core is clamped in the clamping groove of the implant 1, so that the implant 1 is fixed.
Step 2: the mould is closed and injection-molded, the parting surface is opened after the molding, and the implanted insert 1 is separated from the mould along with the molded product 7 due to the tightening force of the threads of the product 7.
Step 3: the product 7 and implant insert 1 assembly is placed in a fixed position outside the mold by manual or mechanical manipulation, and the implant insert 1 is rotated by manual or mechanical manipulation, thereby releasing the implant insert 1 from the product 7 and obtaining the desired product 7.
Step 4: the separate implant insert 1 and injection molded product 7 are placed separately, either manually or by screw machine automation, ready for the next round of injection molding.
Because the die is opened only in one direction, the normal thread demoulding process needs to rotate helically to remove the thread, which is in conflict with the moving direction of the die, and the mode of sprocket chain is returned if the spiral rotation is realized in the die. In the present disclosure, the design concept is changed, and it is not pursued to separate and drop the stud of the product 7 in a limited mold space, but separate the product 7 from the screw thread outside the mold by separating the product 7 and the stud, and demolding the mold twice.
The method comprises the steps of setting all thread characteristics of a product 7 on an implant insert 1, placing the implant insert 1 into a mold cavity during injection molding, injecting plastic materials, opening the mold after molding, separating the implant insert 1 from the mold along with the product 7, demolding the product 7 with the implant insert 1 and the implant insert 1 outside the mold, and separating to obtain the product 7 which is actually needed. Thus, the following advantages are achieved:
1. the implant insert 1 is added in the die cavity, and the screw thread part of the product 7 is designed on the implant insert 1, wherein the screw thread part can be an outer screw thread or an inner screw thread; based on implant insert 1 detachable characteristic, be convenient for set up implant insert 1 of different specifications according to the different design characteristics of product 7, the flexibility is good, and application scope is wide.
2. The insert 1 is implanted and molded in the cavity of the mold during injection molding, the screw part of the product 7 on the insert 1 is filled with plastic during mold opening, the product 7 is implanted and the insert 1 is demolded along with the product 7 during demolding, so that the occupied time of the mold can be reduced, the mold can be continuously put into the next round of production, and the production efficiency is improved.
3. Product 7 with implant inserts 1 will carry out the drawing of patterns separation outside the mould with implant inserts 1, can be convenient for according to the tight fit condition of implant inserts 1 and product 7, use implant inserts 1 stability through the cooperation of different instruments and deviate from, avoid causing the damage to product 7, obtain product 7 that satisfies the production demand from this to reduce disqualified products quantity.
4. The implant 1 is shaped as a cylinder with a central hole in the middle. The guide insert 2 is designed at the corresponding position of the implant insert 1, the guide insert 2 is fixedly connected with the die core, and the implant insert 1 can be guided to be arranged at the correct position by matching the guide insert 2 with the central hole of the implant insert 1, so that the shape and position precision of the product 7 is ensured.
Through the technical scheme, the floating plunger 3 is designed at the corresponding position of each insert 1, and the clamping groove is designed at the corresponding position of the insert 1. After the insert 1 is placed into the cavity, the floating plunger 3 on the die core can be clamped in the clamping groove of the insert 1, the insert 1 is prevented from moving up and down, the molded surface is opened when the insert is removed from the die, the insert 1 overcomes the clamping force of the floating plunger 3, the insert is separated from the cavity along with the product 7, the floating plunger 3 is in threaded connection with the die core, the middle design gasket 33 is connected with the die core, and the clamping force can be adjusted through a spring.
Through the screw thread structure 102 of the implantation insert 1, the mode of in-mold forming and out-mold parting can be adopted, the stability of mechanism movement can be ensured, the mechanical structure is simplified through the decomposition of forming actions, various unstable factors existing in the prior full-automatic screw thread removing scheme in the mold are solved, the mass production can be stabilized by using the new scheme, and the size and quality of the product 7 are ensured to meet the production requirement. The thread forming scheme of the product 7 still removes threads through rotary demolding, the threads of the product 7 are free of parting lines, and damage is avoided.
In addition, through the decomposition to the shaping action, realized effective simplification before the structure of shaping in the mould compares the scheme improvement, the mechanism operation action is simple, and the installation and the maintenance of being convenient for save the mould space, mould cost obviously reduces. Meanwhile, actions such as external screw thread withdrawal of the die can be manually operated to carry out semi-automatic production, the screw thread withdrawal device is suitable for test die or small-batch production, can also be matched with a manipulator, a product 7 is clamped by the manipulator, the screw thread withdrawal of the screw machine die is fully-automatic unmanned operation, the production efficiency and stability are improved in the long-term mass production process, and accordingly the cost is saved. Thus, the stripping hinge mechanism is suitable for any of a variety of suitable scenarios, and can be adapted to a variety of similarly configured products 7 by assembly of the implant insert 1.
In one embodiment provided by the present disclosure, one of the implant insert 1 and the guide insert 2 is provided with a foolproof groove 41 extending in the axial direction thereof; the other of the implant 1 and the guide insert 2 is provided with a fool-proof table 42 which is matched with the fool-proof groove 41, and the fool-proof table 42 is embedded in the fool-proof groove 41 to limit the freedom degree of the implant 1 in the circumferential direction and prevent the implant 1 from rotating in the installation and the forming process, thereby ensuring the screw tooth precision of the product 7.
In the present disclosure, the floating plunger 3 includes a positioning seat 31, a spring and a ball head 32, the positioning seat 31 is connected to the mold core, and a mounting hole is provided in the positioning seat 31, and the axis direction of the mounting hole is perpendicular to the axis direction of the guide insert 2; the spring is arranged in the mounting hole, one end of the spring is connected with the positioning seat 31, and the other end of the spring is connected with the ball head 32. In this way, when the implant 1 is mounted, the relative position of the implant 1 can be maintained by sliding the ball 32 relative to the outer periphery of the implant 1 and, after moving to the target position, by engaging the ball 32 in the engagement groove.
The gasket 33 is sleeved on the periphery of the positioning seat 31, so that a certain anti-abrasion effect is achieved.
In the present disclosure, the guide insert 2 is provided with a plurality of molding bars 5 arranged at intervals, so that corresponding holes can be formed on the injection molded product 7 to meet different design requirements of the product 7.
In one embodiment provided by the present disclosure, a stop table 6 is provided above the threaded structure 102 of the implant 1, the diameter of the stop table 6 being greater than the diameter of the threaded structure 102. This allows the implant insert 1 to be kept free from air and to avoid jamming during installation.
Further, the implant 1 is provided as a sleeve, and an upper end outer circumferential surface of the sleeve is formed with a plurality of oppositely disposed flat surfaces 101. That is, the implant 1 is shaped as a cylinder, and the tail is provided with a rectangular flat section, so that after the implant 1 is separated from the cavity, a wrench can be installed outside the mold, thereby withdrawing the implant 1 from the product 7, and realizing effective separation of the molding tool and the product 7.
It should be understood that for the term "and/or" that may appear herein, it is merely one association relationship that describes an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, B exists alone, and three cases of A and B exist simultaneously.
In the present disclosure, the thread structure 102 is provided as an external thread and/or an internal thread. Specifically, it means that external threads are provided on the implant insert 1 in one or more sets of the tooth forming structures and internal threads are provided on the other set or sets of the tooth forming structures. Specifically, the semi-automatic demolding hinge device comprises 9 groups of hinge forming structures, wherein the implant inserts 1 in 8 groups are external threads, and the implant inserts 1 in 1 groups are internal threads.
Of course, it is also possible that the implant inserts 1 in all groups are either externally threaded or internally threaded. In this regard, those skilled in the art may flexibly assemble according to actual needs, and the present disclosure is not limited thereto.
In an exemplary embodiment provided by the present disclosure, the material of the implant insert 1 and the guide insert 2 is hot work die steel, specifically 4Cr5MoSiV1. The 4Cr5MoSiV1 has good toughness and high-temperature fatigue resistance, can bear temperature fusion, and is suitable for long-term working at high temperature and has good cutting performance and polishing performance. 4Cr5MoSiV1 is smelted by an electric furnace and subjected to electroslag remelting, so that the steel is purer and the toughness is better. After the 4Cr5MoSiV1 is subjected to nitriding treatment, the surface layer of the die can obtain good hardened layer tissues, and the wear resistance and corrosion resistance of the implant 1 and the guide insert 2 can be improved.
In one embodiment, the semi-automatic demolding hinge device further comprises a manipulator, wherein the manipulator is used for clamping the implant insert 1 and driving the implant insert 1 to rotate after the upper die and the lower die of the mold are separated, so as to take out the implant insert 1 from the injection molded product 7. In this way, the product 7 can be fully automated, so that the implant insert 1 can be mechanically removed, which is suitable for a large-scale production and a wide-range operation.
In another embodiment, the semi-automatic stripping tooth device further comprises a wrench, wherein an insertion hole is formed in the wrench, and the implant insert 1 is inserted into the insertion hole, so that the implant insert 1 can be taken out from the injection molded product 7 when the wrench is rotated. By manual operation, the product 7 can be semi-automatically produced, and the method is suitable for production scenes of test molds or small-batch production.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a semi-automatic drawing of patterns hinge tooth device for have the mould of shaping die cavity, be equipped with the mould benevolence on the mould, its characterized in that includes the hinge tooth shaping structure of multiunit complete set setting, multiunit hinge tooth shaping structure interval sets up, and every set of hinge tooth shaping structure includes:
the embedded insert (1) is cylindrical, the embedded insert (1) is provided with a central hole, one end of the embedded insert is provided with a thread structure (102), and the outer peripheral surface of the other end of the embedded insert is provided with a clamping groove;
a guide insert (2) connected to the mold core; the guide insert (2) is formed into a rod-shaped structure matched with the central hole and is inserted into the central hole, and a limit table (201) with the outer diameter larger than the diameter of the central hole is arranged at the end part of the guide insert (2); and
and one end of the floating plunger (3) is connected with the die core, the other end of the floating plunger is provided with a floatable ball head (32), and the ball head (32) is formed into a structure matched with the clamping groove so as to be embedded in the clamping groove to keep the position of the implantation insert (1) relative to the die core.
2. The semiautomatic demolding and reaming device according to claim 1, characterized in that one of the implant insert (1) and the guide insert (2) is provided with a foolproof slot (41) extending in the axial direction thereof; the other one of the implant insert (1) and the guide insert (2) is provided with a fool-proof table (42) which is matched with the fool-proof groove (41), and the fool-proof table (42) is embedded in the fool-proof groove (41) so as to limit the freedom degree of the implant insert (1) in the circumferential direction.
3. The semiautomatic demolding and reaming device according to claim 1, characterized in that said floating plunger (3) comprises a positioning seat (31), a spring and said ball head (32), said positioning seat (31) being connected to said mold core, and in that said positioning seat (31) is provided with a mounting hole, the axial direction of which is perpendicular to the axial direction of said guiding insert (2); the spring is arranged in the mounting hole, one end of the spring is connected with the positioning seat (31), and the other end of the spring is connected with the ball head (32).
4. Semi-automatic stripping and reaming device according to claim 1, characterized in that the guide insert (2) is provided with a plurality of spaced-apart profiled bars (5) to enable the formation of corresponding holes in the injection moulded product (7).
5. Semi-automatic stripping and reaming device according to claim 1, characterized in that above the screw structure (102) of the implant insert (1) a stop (6) is provided, the diameter of the stop (6) being greater than the diameter of the screw structure (102).
6. A semiautomatic demolding and reaming device according to claim 1, characterized in that the implant insert (1) is provided as a sleeve, and that the upper end outer circumferential surface of the sleeve is formed with a plurality of oppositely disposed flats (101).
7. The semiautomatic demolding hinge device according to claim 1, characterized in that the thread structure (102) is provided as an external thread and/or as an internal thread.
8. Semi-automatic stripping and reaming device according to claim 1, characterized in that the material of the implant insert (1) and the guide insert (2) is hot-work die steel, in particular 4Cr5MoSiV1.
9. The semiautomatic demolding hinge device according to claim 1, characterized in that it further comprises a manipulator for clamping the implant insert (1) and driving the implant insert (1) into rotation after the upper and lower molds of the mold are separated, so as to remove the implant insert (1) from the injection molded product (7).
10. The semiautomatic demolding hinge device according to claim 1, characterized in that it further comprises a wrench, on which an insertion hole is formed, in which the implant insert (1) is inserted, the implant insert (1) being able to be removed from the injection molded product (7) when the wrench is turned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311549643.7A CN117261122B (en) | 2023-11-21 | 2023-11-21 | Semi-automatic demoulding tooth reaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311549643.7A CN117261122B (en) | 2023-11-21 | 2023-11-21 | Semi-automatic demoulding tooth reaming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117261122A CN117261122A (en) | 2023-12-22 |
| CN117261122B true CN117261122B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311549643.7A Active CN117261122B (en) | 2023-11-21 | 2023-11-21 | Semi-automatic demoulding tooth reaming device |
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| CN (1) | CN117261122B (en) |
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| JP2000117746A (en) * | 1998-10-14 | 2000-04-25 | Futaba Corp | Lock device for mold for molding |
| DE102004030984A1 (en) * | 2004-06-26 | 2006-02-09 | Bernhard Wietrzynski | machine part |
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| CN117261122A (en) | 2023-12-22 |
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