CN111605144A - Novel thread side core-pulling injection mold - Google Patents
Novel thread side core-pulling injection mold Download PDFInfo
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- CN111605144A CN111605144A CN202010491076.4A CN202010491076A CN111605144A CN 111605144 A CN111605144 A CN 111605144A CN 202010491076 A CN202010491076 A CN 202010491076A CN 111605144 A CN111605144 A CN 111605144A
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- fixedly connected
- threaded
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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
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
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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
Abstract
The invention discloses a novel thread side core-pulling injection mold in the technical field of injection molds, which comprises a fixed mold, wherein a cavity is formed in the left side of the fixed mold, an ejector plate is connected to the inner wall of the cavity in a sliding manner, a reset mechanism of the ejector plate is connected to the right side of the fixed mold, an L-shaped mounting frame is fixedly connected to the bottom of the left side of the fixed mold, and an electric cylinder is fixedly connected to the side surface of the L-shaped mounting frame. According to the invention, through the arrangement of the threaded core, the U-shaped mounting frame, the connecting rod, the moving plate, the pushing rod, the supporting spring, the linkage plate, the threaded sleeve, the supporting rod, the follower gear, the L-shaped linkage plate, the driving teeth and the pulling pin, in the demolding process, a worker does not need to manually detach the part at the other side, the automatic detachment of the injection molded part in the lateral core pulling process is realized, the detached molded part only needs to be subjected to material receiving, the worker can conveniently detach the injection molded part, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a novel thread side core-pulling injection mold.
Background
When a plastic part with a threaded hole on the side surface is molded, a threaded side core is required to be adopted, the threaded side core is pulled out before the plastic part is demoulded, and then the plastic part is ejected out of a die cavity. The core pulling of the thread core has two actions, namely the rotation motion and the linear movement of the thread core, so that the thread stripping action is completed.
The invention patent of partial thread side loose core injection mould, Chinese patent with invention patent application number 201710064713.8, in the prior art, discloses a novel thread side loose core injection mould, the fixed mould plate and the fixed mould fixing plate of which are fixed by connecting screws; the main mold core penetrates through the fixed mold plate; the screw shaft penetrates through the fixed template; the rack nut is sleeved on the screw shaft; the rack nut is connected with the gear through a gear pair; the side core and the gear are in key connection; inserting the side core into the cavity plate; the side core is sleeved with a spring; the cavity plate and the cavity fixing plate are fixed through a connecting screw; the movable mold base plate is fixed with the cavity plate through a long screw; a push plate fixing plate is arranged in the cavity plate; the push plate fixing plate and the push plate are fixed through a connecting screw.
However, in the process of lateral core-pulling and die-opening of the thread side core-pulling injection mold in the prior art, the separation of the formed part cannot be automatically completed, after the lateral core-pulling is completed, a worker manually pushes the formed part removing mechanism to complete the lateral core-pulling, the worker pushes the removed part on one side and takes the formed part on the other side, the operation is troublesome, and the work efficiency is reduced.
Based on the above, the invention designs a novel thread side core-pulling injection mold to solve the above problems.
Disclosure of Invention
The invention aims to provide a novel thread side core-pulling injection mold, and the novel thread side core-pulling injection mold aims to solve the problems that in the prior art, the separation of a formed part cannot be automatically completed in the process of side core-pulling mold opening, after the side core-pulling is completed, a worker manually pushes a formed part removing mechanism to complete the side core-pulling, the worker pushes the removed part while the other side of the formed part needs to take the formed part, the operation is troublesome, and the work efficiency is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a novel thread side core-pulling injection mold comprises a fixed mold, wherein a cavity is formed in the left side of the fixed mold, an ejector plate is connected to the inner wall of the cavity in a sliding mode, a reset mechanism of the ejector plate is connected to the right side of the fixed mold, an L-shaped mounting frame is fixedly connected to the bottom of the left side of the fixed mold, an electric cylinder is fixedly connected to the side face of the L-shaped mounting frame, the end portion of an output rod of the electric cylinder penetrates into the inner side of the L-shaped mounting frame and is fixedly connected with a movable mold, a main mold core matched with the cavity is fixedly connected to the position, corresponding to the cavity, of the right side of the movable mold, an installation through hole is formed in the top of the inner wall of the cavity, a thread core is connected to;
the resetting mechanism comprises a U-shaped mounting frame, the side surface of the inner wall of the U-shaped mounting frame is fixedly connected with four connecting rods, the other ends of the connecting rods are fixedly connected to the right side of the fixed die, the surfaces of the four connecting rods are jointly and slidably connected with a moving plate, the surfaces of the connecting rods are sleeved with supporting springs, two ends of each supporting spring are respectively and fixedly connected to the left side of the moving plate and the right side of the fixed die, the left side of the moving plate is fixedly connected with a pushing rod, the left end of each pushing rod penetrates through the fixed die and is fixedly connected with an ejector plate after penetrating into the die cavity, the top of the moving plate is fixedly connected with a linkage plate, a moving through groove is formed;
the supporting mechanism comprises a threaded sleeve, the threaded sleeve is fixedly connected to the upper portion of the inner wall of the mounting port, a supporting rod is connected to the inner wall of the threaded sleeve in a threaded mode, a rubber sleeve is fixedly connected to the lower portion of the inner wall of the mounting port, the inner wall of the rubber sleeve is in friction contact with the surface of the supporting rod, the thread section of the surface of the supporting rod in threaded connection with the threaded sleeve is identical to the external thread of the threaded core, the bottom of the supporting rod is fixedly connected to the top of the threaded core, the top of the supporting rod penetrates through the mounting port and is fixedly connected with a follower gear, and the top of the fixed;
the linkage mechanism comprises an L-shaped linkage plate, the L-shaped linkage plate is fixedly connected to the top of the movable die, driving teeth meshed with the follow-up gear are arranged on the front face of the L-shaped linkage plate corresponding to the position of the follow-up gear, the driving teeth and the follow-up gear are in an initial meshing state, and a pull pin is fixedly connected to the right end of the L-shaped linkage plate;
during operation, in the process of side core-pulling and die-sinking of the thread side core-pulling injection mold in the prior art, separation of a formed part cannot be automatically completed, after side core-pulling is completed, a worker manually pushes a formed part separation mechanism to complete the side core-pulling, the worker pushes the separated part on one side and takes the formed part on the other side, the operation is troublesome, and the work efficiency is reduced. The servo gear drives the support rod to rotate, the thread section on the surface of the support rod moves upwards under the action of the thread sleeve, the thread section on the surface of the support rod is separated from the thread sleeve when the driving tooth is just separated from the servo gear, so that the thread core is driven to be separated from the cavity, and under the frictional resistance of the rubber sleeve, when the driving tooth stops acting on the servo gear, the support rod stops under the frictional resistance of the rubber sleeve, the continuous rotation under the inertia is avoided, the separation state is maintained, so that the driving tooth is meshed in the return stroke process, when the L-shaped mounting frame continues to move leftwards, the pulling pin is driven to pull the linkage plate, the linkage plate synchronously drives the moving plate to move leftwards, the moving plate drives the pushing rod to push the ejecting plate, the ejecting plate synchronously ejects the injection molded part out of the cavity, and the automatic removal of the injection molded part in the lateral core pulling process is realized, when the die is assembled, the movable die drives the main die core to reset to the die cavity under the action of the electric cylinder, the L-shaped mounting frame drives the follow-up gear to rotate under the action of the driving teeth, the follow-up gear drives the supporting rod to rotate, the lower end of the threaded end of the supporting rod always has the tendency of being in threaded connection with the threaded sleeve under the action of the elastic reset piece, when the supporting rod rotates, the threaded section of the supporting rod is in threaded connection with the threaded sleeve so as to drive the threaded core to reset and be inserted into the die cavity, when the threaded core is just reset, the driving teeth and the follow-up gear are positioned at a separation critical point, meanwhile, under the action of the supporting spring, the movable plate drives the ejector plate to reset through the pushing rod, the die assembly is completed, in the process of die assembly, a worker does not need to manually remove the piece at the other side, the automatic removal of the injection molding piece in the process of side core pulling, the injection molding part taking-off device is convenient for workers to take off the injection molding part, and the working efficiency is improved.
As a further scheme of the invention, the bottom of the inner side of the L-shaped mounting frame is provided with a mounting groove, the front side and the rear side of the inner wall of the mounting groove are jointly and rotatably connected with a threaded rod, the surface of the threaded rod is in threaded connection with a T-shaped support plate, the T-shaped support plate is slidably connected onto the inner wall of the mounting groove, two ends of the threaded rod penetrate through the L-shaped mounting frame and are fixedly connected with a rotating disk, the top end of the T-shaped support plate is connected with a bearing platform through an elastic support piece, the left side of the bearing platform is provided with a left inclined surface, and the; when the injection molding part stripping device works, an injection molding part can be automatically separated from a cavity in the stripping process, a worker is required to manually remove and connect a molded injection part in the separating process, on one hand, the safety is not high, on the other hand, the injection molding part is easy to take and unstable, fading is caused, and the injection molding part is damaged, through the arrangement of the bearing table, in the stripping process, the movable mold can slowly leave the top of the bearing table until the movable mold and the bearing table leave, after the movable mold and the bearing table separate, before the molded injection part is separated from the cavity, the bearing table can be lifted to a position close to an opening of the release cavity under the action of the elastic supporting piece to form a state to be connected until the injection molding part falls to the top of the bearing table, then the threaded rod is rotated through the rotating disc, the T-shaped supporting plate is driven to move by the threaded rod, so that the injection, on the other hand, the injection molding part can be stably taken, so that the problem that the injection molding part is faded and damaged due to unstable taking is avoided; through the rotatory threaded rod of rotary disk, order about the plummer and reset, when movable mould and cover half compound die, the inclined plane of movable mould bottom can be used in the left side inclined plane of plummer bottom to promote the plummer decline, avoid the plummer to hinder the compound die.
As a further scheme of the invention, the elastic support member comprises a connecting groove, the connecting groove is formed in the top of the T-shaped support plate, a first return spring is fixedly connected to the inner wall of the connecting groove, a connecting slide block is fixedly connected to the top end of the first return spring, and the top end of the connecting slide block penetrates through the connecting groove and is fixedly connected to the bottom of the bearing table; the during operation, when the drawing of patterns, when the movable mould leaves the plummer, under first reset spring's reset action, the plummer can rise to treat the union piece state, and when movable mould and cover half compound die, the inclined plane of movable mould bottom can be used in the left side inclined plane of plummer, and under first reset spring and link block cooperation, the plummer can carry out elasticity under external force extrusion and stretch out and draw back to the plummer descends, avoids making the hindrance to the compound die.
As a further scheme of the invention, a fixing groove is formed in the side surface of the rotating disk, two fixing rods which are parallel to each other are fixedly connected to the inner wall of the fixing groove, a support slider is connected to the surfaces of the two fixing rods in a sliding manner together, a second reset spring is sleeved on the surfaces of the fixing rods, two ends of the second reset spring are fixedly connected to the top of the support slider and the top of the inner wall of the mounting groove respectively, a clamping pin is fixedly connected to the inner side of the support slider, a positioning toothed ring is fixedly connected to the surface of the L-shaped mounting frame corresponding to the rotating disk, the clamping pin is clamped in a tooth space on the surface of the positioning toothed ring, a connecting pin is fixedly connected to the front surface of the support slider, an L-shaped positioning pin is connected to the surface of the connecting pin in a sliding manner, and a clamping groove matched with the L-shaped positioning; when the rotary table is in operation, the rotary disc is manually rotated, so that the rotary disc drives the threaded rod to rotate to drive the bearing table to reach an ideal position, but the position cannot be stably positioned, the bearing table is easy to move under the misoperation of external force, the connection piece and the taking piece of the bearing table can be influenced, the rotary disc can be positioned under the clamping of the clamping pin and the positioning tooth ring gap by arranging the fixing groove, the fixing rod, the support slider, the second reset spring and the L-shaped positioning pin, misoperation is avoided, the stability of taking the piece or the connection piece is ensured, when the rotary table needs to rotate, the L-shaped positioning pin can be pulled to be clamped in the clamping groove at the top of the rotary disc, and under the clamping action of the L-shaped positioning pin and the clamping groove, the L-shaped positioning pin drives the clamping pin to be separated from the tooth gap of the positioning tooth ring through the support slider, so that the positioning of the rotary disc is cancelled, the rotational capability can be restored.
As a further scheme of the invention, the elastic reset piece comprises a support frame, the support frame is fixedly connected to the top of the fixed die, the support frame is slidably connected to the surface of the support rod, the bottom of the support frame is fixedly connected with a third reset spring, the third reset spring is sleeved on the surface of the support rod, the bottom of the third reset spring is fixedly connected with a connecting ring, and the connecting ring is rotatably connected to the surface of the support rod through a bearing; the during operation, when the bracing piece rebound, can drive the go-between rebound to extrude third reset spring, until the screw thread section on bracing piece surface breaks away from the thread bush, can, under third reset spring's support, make the screw thread end on bracing piece surface have the trend with thread bush interconnect all the time, conveniently drive the tooth and reset in-process and follow-up gear meshing driven in-process, the screw thread section on drive bracing piece surface and support the smooth and timely connection of cover, guarantee the normal reset of screw core.
As a further scheme of the invention, the top of the L-shaped linkage plate is fixedly connected with an L-shaped positioning plate in the left direction of the linkage plate, and the right side of the L-shaped positioning plate is in mutual contact with the left side of the linkage plate; the during operation, after the linkage board resets under the drive of movable plate, can break away from the effect of pulling the round pin, thereby support by supporting spring's elastic force, under the effect of external force, can cause the linkage board to drive the movable plate and remove, thereby it rocks to drive the liftout plate under the linkage of catch bar, influence the moulding plastics of die cavity, through setting up L shape locating plate, reset when the linkage board, when breaking away from the pulling round pin effect, L shape locating plate can be contacted with linkage board left side each other, fix a position, avoid being operated by effort maloperation left, thereby guarantee the stability of liftout plate station, avoid influencing the moulding plastics of die cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the threaded core, the U-shaped mounting frame, the connecting rod, the moving plate, the pushing rod, the supporting spring, the linkage plate, the threaded sleeve, the supporting rod, the follower gear, the L-shaped linkage plate, the driving teeth and the pulling pin, in the demolding process, a worker does not need to manually detach the part at the other side, the automatic detachment of the injection molded part in the lateral core pulling process is realized, the detached molded part only needs to be subjected to material receiving, the worker can conveniently detach the injection molded part, and the working efficiency is improved.
2. According to the invention, by arranging the mounting groove, the threaded rod, the rotating disk, the T-shaped supporting plate, the bearing table, the connecting groove, the first return spring and the connecting slide block, the injection molded part which is automatically taken off is realized, the injection molded part can be manually adjusted to move to a position which is convenient to take, and a worker does not need to stretch into a movable die and a fixed die to take the injection molded part, so that the safety problem is avoided on one hand, the injection molded part can be stably taken on the other hand, and the problem that the injection molded part is faded and further damaged due to unstable taking of the injection molded part is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a structural cross-sectional view in elevation of the present invention;
FIG. 4 is a perspective view of the present invention, partially in section;
FIG. 5 is a partial enlarged view of portion B of FIG. 4;
FIG. 6 is a perspective view, partially in section, of the present invention in a demolded condition;
FIG. 7 is a perspective view of the T-shaped support plate and the carrier platform of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a fixed die 1, a cavity 2, an ejector plate 3, an L-shaped mounting frame 4, an electric cylinder 5, a movable die 6, a main core 7, a mounting through hole 8, a threaded core 9, a U-shaped mounting frame 10, a connecting rod 11, a moving plate 12, a push rod 121, a supporting spring 13, a linkage plate 14, a threaded sleeve 15, a supporting rod 16, a rubber sleeve 17, a threaded section 18, a follow-up gear 19, an L-shaped linkage plate 20, a driving tooth 21, a pulling pin 22, a mounting groove 23, a threaded rod 24, a rotating disk 241, a T-shaped supporting plate 25, a bearing table 26, a connecting groove 27, a first reset spring 28, a connecting slide block 29, a fixing groove 30, a fixing rod 31, a supporting slide block 32, a second reset spring 33, a clamping pin 34, a positioning toothed ring 35, an L-shaped positioning pin 36, a clamping groove 37, a supporting frame 38, a third reset.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a novel thread side core-pulling injection mold comprises a fixed mold 1, wherein a cavity 2 is formed in the left side of the fixed mold 1, an ejector plate 3 is connected to the inner wall of the cavity 2 in a sliding manner, a reset mechanism of the ejector plate 3 is connected to the right side of the fixed mold 1, an L-shaped mounting frame 4 is fixedly connected to the bottom of the left side of the fixed mold 1, an electric cylinder 5 is fixedly connected to the side face of the L-shaped mounting frame 4, the end part of an output rod of the electric cylinder 5 penetrates into the inner side of the L-shaped mounting frame 4 and is fixedly connected with a movable mold 6, a main mold core 7 matched with the cavity 2 is fixedly connected to the position, corresponding to the cavity 2, of the right side of the movable mold 6, an installation through hole 8 is formed in the top of the inner wall of the cavity 2;
the reset mechanism comprises a U-shaped mounting frame 10, four connecting rods 11 are fixedly connected to the side face of the inner wall of the U-shaped mounting frame 10, the other ends of the connecting rods 11 are fixedly connected to the right side of the fixed die 1, a moving plate 12 is connected to the surfaces of the four connecting rods 11 in a sliding mode, supporting springs 13 are sleeved on the surfaces of the connecting rods 11, two ends of each supporting spring 13 are fixedly connected to the left side of the moving plate 12 and the right side of the fixed die 1 respectively, a pushing rod 121 is fixedly connected to the left side of the moving plate 12, the left end of each pushing rod 121 penetrates through the fixed die 1 and penetrates through the cavity 2 to be fixedly connected with the ejector plate 3, a linkage plate 14 is fixedly connected to the top of the moving plate 12;
the supporting mechanism comprises a threaded sleeve 15, the threaded sleeve 15 is fixedly connected to the upper portion of the inner wall of the mounting through opening 8, a supporting rod 16 is in threaded connection with the inner wall of the threaded sleeve 15, a rubber sleeve 17 is fixedly connected to the lower portion of the inner wall of the mounting through opening 8, the inner wall of the rubber sleeve 17 is in surface friction contact with the supporting rod 16, a threaded section 18 of the surface of the supporting rod 16 in threaded connection with the threaded sleeve 15 is identical to an external thread of the threaded core 9, the bottom of the supporting rod 16 is fixedly connected to the top of the threaded core 9, the top of the supporting rod 16 penetrates through the mounting through opening 8 and is fixedly connected with a follower gear;
the linkage mechanism comprises an L-shaped linkage plate 20, the L-shaped linkage plate 20 is fixedly connected to the top of the movable mold 6, driving teeth 21 meshed with the follow-up gear 19 are arranged on the front face of the L-shaped linkage plate 20 corresponding to the position of the follow-up gear 19, the driving teeth 21 and the follow-up gear 19 are in an initial meshing state, and a pulling pin 22 is fixedly connected to the right end of the L-shaped linkage plate 20;
during operation, in the process of lateral core-pulling and mold-opening of the thread side core-pulling injection mold in the prior art, separation of a formed part cannot be automatically completed, after lateral core-pulling is completed, a worker manually pushes a formed part separation mechanism to complete the separation, the worker pushes the separation on one side and takes the formed part on the other side, the operation is troublesome, and the work efficiency is reduced, according to the technical scheme, by arranging a reset mechanism, a support mechanism and a linkage mechanism, automatic separation of the formed part is realized in the process of demolding and core-pulling, the problem that the formed part needs to be collected from the other side while the worker manually demolds the formed part is avoided, in the demolding process, a first electric cylinder 5 can pull a movable mold 6 to leave a fixed mold 1 and simultaneously drive a main mold core 7 to separate from a cavity 2, and in the process that the movable mold 6 can drive an L-shaped mounting frame 4 to move, the L-shaped mounting rack 4 can drive the driving teeth 21 to act on the follow-up gear 19, the follow-up gear 19 drives the supporting rod 16 to rotate, the thread section 18 on the surface of the supporting rod 16 moves upwards under the action of the thread sleeve 15, the thread section 18 on the surface of the supporting rod 16 is separated from the thread sleeve 15 when the driving teeth 21 just separate from the follow-up gear 19, so that the thread core 9 is driven to separate from the cavity 2, the supporting rod 16 stops under the friction resistance of the rubber sleeve 17 when the driving teeth 21 stop acting on the follow-up gear 19 under the friction resistance of the rubber sleeve 17, the continuous rotation under the action of inertia is avoided, the separation state is maintained, the meshing is conveniently carried out in the return stroke process of the driving teeth 21, when the L-shaped mounting rack 4 continuously moves leftwards, the pulling pin 22 is driven to pull the linkage plate 14, the linkage plate 14 synchronously drives the moving plate 12 to move leftwards, the moving plate 12 drives the pushing rod 121, the ejector plate 3 synchronously ejects the injection molding piece out of the cavity 2, so that the injection molding piece can be automatically detached in the lateral core pulling process, when the die is closed, the movable die 6 drives the main die core 7 to reset to the cavity 2 under the action of the electric cylinder 5, the L-shaped mounting frame 4 drives the follow-up gear 19 to rotate under the action of the driving teeth 21, the follow-up gear 19 drives the support rod 16 to rotate, the lower end of the threaded end of the support rod 16 always has the tendency of being in threaded connection with the threaded sleeve 15 under the action of the elastic resetting piece, when the support rod 16 rotates, the threaded section 18 of the support rod 16 is in threaded connection with the threaded sleeve 15, so that the threaded core 9 is driven to reset and inserted into the cavity 2, when the threaded core 9 is just reset, the driving teeth 21 and the follow-up gear 19 are positioned at a separation critical point, meanwhile, under the action of the support spring 13, the movable plate 12 drives the ejector plate 3 to reset through the, the mould closing is completed, in the demoulding process, a worker does not need to manually remove the part at the other side, the automatic part removing of the injection moulding part in the lateral core pulling process is realized, the removed moulding part only needs to be connected, the worker can conveniently remove the part of the injection moulding part, and the working efficiency is improved.
As a further scheme of the invention, the bottom of the inner side of the L-shaped mounting frame 4 is provided with a mounting groove 23, the front side and the rear side of the inner wall of the mounting groove 23 are jointly and rotatably connected with a threaded rod 24, the surface of the threaded rod 24 is in threaded connection with a T-shaped support plate 25, the T-shaped support plate 25 is slidably connected on the inner wall of the mounting groove 23, two ends of the threaded rod 24 penetrate through the L-shaped mounting frame 4 and are fixedly connected with a rotating disk 241, the top end of the T-shaped support plate 25 is connected with a bearing platform 26 through an elastic support member, the left side of the bearing platform 26 is provided with a; during operation, in the process of demoulding, the injection molding piece can be automatically separated from the cavity 2, in the separation process, a worker is required to manually connect the molding injection molding piece, on one hand, the safety is not high, on the other hand, the piece is easy to take and unstable, the piece is faded, and the injection molding piece is damaged, through the arrangement of the bearing table 26, in the demoulding process, the movable mold 6 can slowly leave the top of the bearing table 26 until the movable mold and the bearing table are separated, after the movable mold and the bearing table are separated, before the molding injection is separated from the cavity 2, the bearing table 26 can be lifted to a position close to the opening of the cavity 2 under the action of the elastic support piece, a state of a piece to be connected is formed until the injection molding piece falls to the top of the bearing table 26, then the threaded rod 24 is rotated through the rotating disc 241, the threaded rod 24 drives the T-shaped support plate 25 to move, so as, on one hand, the safety problem is avoided, on the other hand, the injection molding part can be stably taken, and the problem that the injection molding part is faded and damaged due to unstable taking is avoided; through the rotatory threaded rod 24 of rotary disk 241, order about plummer 26 and reset, when movable mould 6 and cover half 1 compound die, the inclined plane of movable mould 6 bottom can act on the left side inclined plane of plummer 26 bottom to promote plummer 26 and descend, avoid plummer 26 to hinder the compound die.
As a further aspect of the present invention, the elastic support member includes a connection groove 27, the connection groove 27 is opened at the top of the T-shaped support plate 25, a first return spring 28 is fixedly connected to the inner wall of the connection groove 27, a connection sliding block 29 is fixedly connected to the top end of the first return spring 28, and the top end of the connection sliding block 29 penetrates through the connection groove 27 and is fixedly connected to the bottom of the bearing platform 26; during operation, when the drawing of patterns, when movable mould 6 leaves plummer 26, under first reset spring 28's reset action, plummer 26 can rise to the state of waiting to connect the piece, when movable mould 6 and cover half 1 compound die, the inclined plane of movable mould 6 bottom can act on the left side inclined plane of plummer 26, under first reset spring 28 and link block 29 cooperation, plummer 26 can carry out elastic expansion under the external force extrusion to plummer 26 descends, avoids causing the hindrance to the compound die.
As a further scheme of the invention, a fixing groove 30 is formed in the side surface of the rotating disk 241, two fixing rods 31 which are parallel to each other are fixedly connected to the inner wall of the fixing groove 30, a support slider 32 is connected to the surfaces of the two fixing rods 31 in a sliding manner together, a second reset spring 33 is sleeved on the surface of each fixing rod 31, two ends of each second reset spring 33 are fixedly connected to the top of the support slider 32 and the top of the inner wall of the mounting groove 23 respectively, a clamping pin 34 is fixedly connected to the inner side of the support slider 32, a positioning toothed ring 35 is fixedly connected to the surface of the L-shaped mounting frame 4 corresponding to the rotating disk 241, the clamping pin 34 is clamped in a tooth space on the surface of the positioning toothed ring 35, a connecting pin is fixedly connected to the front surface of the support slider 32, an L-shaped positioning pin 36 is connected to the surface of the connecting pin in a sliding manner, and a clamping; during operation, the rotating disk 241 is manually rotated, so that the rotating disk 241 drives the threaded rod 24 to rotate to drive the bearing platform 26 to reach an ideal position, but the position cannot be stably positioned, and the bearing platform 26 is easily moved under the misoperation of external force, so that the connection and the removal of the bearing platform 26 can be influenced, by arranging the fixing groove 30, the fixing rod 31, the support slider 32, the second reset spring 33 and the L-shaped positioning pin 36, the rotating disk 241 can be positioned under the clamping of the gap between the clamping pin 34 and the positioning toothed ring 35, the misoperation is avoided, the stability during the removal or connection of parts is ensured, when the rotating is required, the L-shaped positioning pin 36 can be pulled, so that the L-shaped positioning pin 36 is clamped into the clamping groove 37 at the top of the rotating disk 241, under the clamping action of the L-shaped positioning pin 36 and the clamping groove 37, the L-shaped positioning pin 36 drives the clamping pin 34 to be separated from the tooth gap between the positioning toothed ring 35 through the support slider 32, thus, the rotation capability can be recovered by canceling the positioning of the rotation plate 241.
As a further scheme of the invention, the elastic reset piece comprises a support frame 38, the support frame 38 is fixedly connected to the top of the fixed die 1, the support frame 38 is slidably connected to the surface of the support rod 16, a third reset spring 39 is fixedly connected to the bottom of the support frame 38, the third reset spring 39 is sleeved on the surface of the support rod 16, a connecting ring 40 is fixedly connected to the bottom of the third reset spring 39, and the connecting ring 40 is rotatably connected to the surface of the support rod 16 through a bearing; during operation, when the support rod 16 moves upwards, the connecting ring 40 is driven to move upwards, so that the third return spring 39 is extruded until the thread section 18 on the surface of the support rod 16 is separated from the thread sleeve 15, or the thread end on the surface of the support rod 16 always has a tendency of being connected with the thread sleeve 15 under the support of the third return spring 39, so that the thread section 18 on the surface of the drive support rod 16 is smoothly and timely connected with the support sleeve in the process of meshing transmission with the follower gear 19 in the reset process of the drive teeth 21, and the normal reset of the thread core 9 is ensured.
As a further scheme of the invention, the top of the L-shaped linkage plate 20 is fixedly connected with an L-shaped positioning plate 41 in the left direction of the linkage plate 14, and the right side of the L-shaped positioning plate 41 is in mutual contact with the left side of the linkage plate 14; the during operation, after linkage plate 14 resets under the drive of movable plate 12, can break away from the effect of pulling round pin 22, thereby support by supporting spring 13's elastic force, under the effect of external force, can cause linkage plate 14 to drive movable plate 12 and remove, thereby it rocks to drive liftout plate 3 under the linkage of catch bar 121, influence the moulding plastics in die cavity 2, through setting up L shape locating plate 41, when linkage plate 14 resets, break away from and pull round pin 22 when acting, L shape locating plate 41 can be with linkage plate 14 left side in contact with each other, fix a position, avoid being operated by effort maloperation left, thereby guarantee the stability of liftout plate 3 stations, avoid influencing the moulding plastics of die cavity 2.
The working principle is as follows: during operation, in the demolding process, the first electric cylinder 5 can pull the movable mold 6 to leave the fixed mold 1 and drive the main mold core 7 to be separated from the mold cavity 2, in the demolding process, the movable mold 6 can drive the L-shaped mounting frame 4 to move, the L-shaped mounting frame 4 can drive the driving teeth 21 to act on the follow-up gear 19, the follow-up gear 19 drives the supporting rod 16 to rotate, the threaded section 18 on the surface of the supporting rod 16 moves upwards under the action of the threaded sleeve 15, when the driving teeth 21 just separate from the follow-up gear 19, the threaded section 18 on the surface of the supporting rod 16 separates from the threaded sleeve 15 so as to drive the threaded core 9 to be separated from the mold cavity 2, and under the friction resistance of the rubber sleeve 17, when the driving teeth 21 stop acting on the follow-up gear 19, the supporting rod 16 stops under the friction resistance of the rubber sleeve 17 to avoid continuing to rotate under the inertia effect, the separation state is maintained, so that the driving teeth 21 are meshed in, when the L-shaped mounting frame 4 continues to move leftwards, the pulling pin 22 is driven to pull the linkage plate 14, the linkage plate 14 synchronously drives the moving plate 12 to move leftwards, the moving plate 12 drives the pushing rod 121 to push the ejecting plate 3, the ejecting plate 3 synchronously ejects the injection molding piece out of the cavity 2, the automatic removal of the injection molding piece in the lateral core pulling process is realized, during mold closing, the moving mold 6 drives the main mold core 7 to reset to the cavity 2 under the action of the electric cylinder 5, the L-shaped mounting frame 4 drives the follower gear 19 to rotate under the action of the driving tooth 21, the follower gear 19 drives the support rod 16 to rotate, the lower end of the threaded end of the support rod 16 always has the tendency of being in threaded connection with the threaded sleeve 15 under the action of the elastic resetting piece, when the support rod 16 rotates, the threaded section 18 of the support rod 16 is in threaded connection with the threaded sleeve 15, so as to drive the threaded core 9 to reset and be inserted into the, when the threaded core 9 just resets, the driving teeth 21 and the follow-up gear 19 are located at a separation critical point, meanwhile, under the action of the supporting spring 13, the moving plate 12 can drive the ejector plate 3 to reset through the push rod 121, the die assembly is completed, in the demolding process, a worker does not need to manually remove a piece at the other side, automatic piece removal of an injection molded piece in the lateral core pulling process is realized, only the removed molded piece needs to be connected with a material, the removal of the injection molded piece by the worker is facilitated, and the working efficiency is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a novel screw thread side injection mold of loosing core, includes cover half (1), its characterized in that: a cavity (2) is arranged on the left side of the fixed die (1), an ejector plate (3) is connected on the inner wall of the cavity (2) in a sliding manner, the right side of the fixed die (1) is connected with a reset mechanism of the ejector plate (3), the bottom of the left side of the fixed die (1) is fixedly connected with an L-shaped mounting frame (4), the side surface of the L-shaped mounting rack (4) is fixedly connected with an electric cylinder (5), the end part of an output rod of the electric cylinder (5) penetrates into the inner side of the L-shaped mounting rack (4) and is fixedly connected with a movable mould (6), the right side of the movable mold (6) corresponding to the cavity (2) is fixedly connected with a main mold core (7) matched with the cavity (2), the top of the inner wall of the cavity (2) is provided with an installation through hole (8), the inner wall of the installation through hole (8) is connected with a thread core (9) through a supporting mechanism, the top of the movable mold (6) is connected with a linkage mechanism which is linked with the supporting mechanism and the reset mechanism;
the reset mechanism comprises a U-shaped mounting frame (10), four connecting rods (11) are fixedly connected to the side face of the inner wall of the U-shaped mounting frame (10), the other ends of the connecting rods (11) are fixedly connected to the right side of the fixed die (1), a moving plate (12) is jointly and slidably connected to the surfaces of the four connecting rods (11), a supporting spring (13) is sleeved on the surface of each connecting rod (11), two ends of each supporting spring (13) are respectively and fixedly connected to the left side of the moving plate (12) and the right side of the fixed die (1), a linkage plate (14) is fixedly connected to the top of each moving plate (12), a moving through groove is formed in the top of the U-shaped mounting frame (10), and the moving plate (12) is slidably;
the supporting mechanism comprises a threaded sleeve (15), the threaded sleeve (15) is fixedly connected to the upper portion of the inner wall of the mounting port (8), a supporting rod (16) is connected to the inner wall of the threaded sleeve (15) in a threaded mode, a rubber sleeve (17) is fixedly connected to the lower portion of the inner wall of the mounting port (8), the inner wall of the rubber sleeve (17) is in surface friction contact with the supporting rod (16), a threaded section (18) of the surface of the supporting rod (16) in threaded connection with the threaded sleeve (15) is identical to the external thread of the threaded core (9), the bottom of the supporting rod (16) is fixedly connected to the top of the threaded core (9), the top of the supporting rod (16) penetrates through the mounting port (8) and is fixedly connected with a follower gear (19), and the top of the fixed die (1) is connected with an elastic;
the linkage mechanism comprises an L-shaped linkage plate (20), the L-shaped linkage plate (20) is fixedly connected to the top of the movable die (6), driving teeth (21) meshed with the follow-up gear (19) are arranged at the position, corresponding to the follow-up gear (19), of the front face of the L-shaped linkage plate (20), the driving teeth (21) and the follow-up gear (19) are in an initial meshing state, and a pulling pin (22) is fixedly connected to the right end portion of the L-shaped linkage plate (20).
2. The novel threaded side core pulling injection mold according to claim 1, characterized in that: mounting groove (23) have been seted up to L shape mounting bracket (4) inboard bottom, both sides rotate jointly around mounting groove (23) inner wall and are connected with threaded rod (24), threaded rod (24) threaded connection has T shape backup pad (25) on the surface, T shape backup pad (25) sliding connection is on mounting groove (23) inner wall, fixedly connected with rotary disk (241) behind L shape mounting bracket (4) is all worn out at the both ends of threaded rod (24), the top of T shape backup pad (25) is connected with plummer (26) through elastic support piece, the left side inclined plane has been seted up in the left side of plummer (26), the right side inclined plane with plummer (26) inclined plane looks adaptation is seted up to the bottom of movable mould (6).
3. The novel threaded side core pulling injection mold according to claim 2, characterized in that: elastic support includes connecting groove (27), the top in T shape backup pad (25) is seted up in connecting groove (27), first reset spring (28) of fixedly connected with on the inner wall of connecting groove (27), the top fixedly connected with link block (29) of first reset spring (28), connecting groove (27) and fixed connection are worn out in the top of link block (29) and are in plummer (26) bottom.
4. The novel threaded side core pulling injection mold according to claim 3, characterized in that: a fixing groove (30) is formed in the side surface of the rotating disc (241), two fixing rods (31) which are parallel to each other are fixedly connected to the inner wall of the fixing groove (30), a support slider (32) is connected to the surfaces of the two fixing rods (31) in a sliding manner, a second reset spring (33) is sleeved on the surface of each fixing rod (31), two ends of the second reset spring (33) are fixedly connected to the top of the support slider (32) and the top of the inner wall of the mounting groove (23) respectively, a clamping pin (34) is fixedly connected to the inner side of the support slider (32), a positioning toothed ring (35) is fixedly connected to the surface of the L-shaped mounting frame (4) corresponding to the rotating disc (241), the clamping pin (34) is clamped in a tooth space on the surface of the positioning toothed ring (35), a connecting pin is fixedly connected to the front surface of the support slider (32), and an L-shaped positioning pin (36) is connected to the surface of the connecting pin, the top of the rotating disc (241) is provided with a clamping groove (37) matched with the L-shaped positioning pin (36).
5. The novel threaded side core pulling injection mold according to claim 1, characterized in that: elasticity piece that resets includes support frame (38), support frame (38) fixed connection is at the top of cover half (1), support frame (38) sliding connection is on the surface at bracing piece (16), the bottom fixedly connected with third reset spring (39) of support frame (38), third reset spring (39) cup joint at the bracing piece (16) on the surface, the bottom fixedly connected with go-between (40) of third reset spring (39), go-between (40) rotate through the bearing and connect at bracing piece (16) on the surface.
6. The novel threaded side core pulling injection mold according to claim 1, characterized in that: the top of the L-shaped linkage plate (20) is fixedly connected with an L-shaped positioning plate (41) in the left direction of the linkage plate (14), and the right side of the L-shaped positioning plate (41) is in mutual contact with the left side of the linkage plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491076.4A CN111605144A (en) | 2020-06-02 | 2020-06-02 | Novel thread side core-pulling injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491076.4A CN111605144A (en) | 2020-06-02 | 2020-06-02 | Novel thread side core-pulling injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111605144A true CN111605144A (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010491076.4A Withdrawn CN111605144A (en) | 2020-06-02 | 2020-06-02 | Novel thread side core-pulling injection mold |
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| Country | Link |
|---|---|
| CN (1) | CN111605144A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477028A (en) * | 2020-10-30 | 2021-03-12 | 盐城市金德模具制造有限公司 | Dead lever link gear of loosing core |
| CN112518603A (en) * | 2020-11-17 | 2021-03-19 | 湖南省方圆磨料磨具有限公司 | Grinding wheel die assembly convenient for grinding wheel extraction |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619207U (en) * | 2010-01-18 | 2010-11-03 | 陕西科技大学 | Push-out reset mechanism of plastic mould |
| CN203792644U (en) * | 2014-02-20 | 2014-08-27 | 东莞汇美模具制造有限公司 | Linked thread stripping mold |
| CN104875335A (en) * | 2015-06-20 | 2015-09-02 | 张向荣 | Twice-ejecting mechanism and die thereof |
| CN105269769A (en) * | 2015-11-18 | 2016-01-27 | 湖北工业大学 | Double-power injection mold of multi-direction oblique and curved pin core pulling structure |
| CN205905347U (en) * | 2016-07-06 | 2017-01-25 | 健大电业制品（昆山）有限公司 | Mould with screw thread core -pulling mechanism |
| CN106891484A (en) * | 2017-02-05 | 2017-06-27 | 金陵科技学院 | A kind of Novel threaded side core-pulling injection molding |
| CN207310422U (en) * | 2017-10-14 | 2018-05-04 | 福州大学 | Produce the side core-pulling mould structure with Plastic Parts with Inner Thread |
| CN207388196U (en) * | 2017-07-25 | 2018-05-22 | 苏州伊之特模具科技有限公司 | Rack-and-pinion side core-pulling mechanism |
| CN108908863A (en) * | 2018-06-13 | 2018-11-30 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of screw thread side multi-slide core-pulling mechanism injection mold |
| CN208930648U (en) * | 2018-10-15 | 2019-06-04 | 金陵科技学院 | A kind of adjustable injection mold of Core-pulling distance |
| CN209304905U (en) * | 2018-11-30 | 2019-08-27 | 广东力人科技有限公司 | The mold core quick-changing type mold that threaded side is taken out |
| CN209599762U (en) * | 2019-01-11 | 2019-11-08 | 安徽皖精模具科技有限公司 | A kind of household electrical appliances plastic part die core pulling device |
| CN210139568U (en) * | 2019-03-22 | 2020-03-13 | 广东科技学院 | Automatic demoulding mechanism for threads |
-
2020
- 2020-06-02 CN CN202010491076.4A patent/CN111605144A/en not_active Withdrawn
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619207U (en) * | 2010-01-18 | 2010-11-03 | 陕西科技大学 | Push-out reset mechanism of plastic mould |
| CN203792644U (en) * | 2014-02-20 | 2014-08-27 | 东莞汇美模具制造有限公司 | Linked thread stripping mold |
| CN104875335A (en) * | 2015-06-20 | 2015-09-02 | 张向荣 | Twice-ejecting mechanism and die thereof |
| CN105269769A (en) * | 2015-11-18 | 2016-01-27 | 湖北工业大学 | Double-power injection mold of multi-direction oblique and curved pin core pulling structure |
| CN205905347U (en) * | 2016-07-06 | 2017-01-25 | 健大电业制品（昆山）有限公司 | Mould with screw thread core -pulling mechanism |
| CN106891484A (en) * | 2017-02-05 | 2017-06-27 | 金陵科技学院 | A kind of Novel threaded side core-pulling injection molding |
| CN207388196U (en) * | 2017-07-25 | 2018-05-22 | 苏州伊之特模具科技有限公司 | Rack-and-pinion side core-pulling mechanism |
| CN207310422U (en) * | 2017-10-14 | 2018-05-04 | 福州大学 | Produce the side core-pulling mould structure with Plastic Parts with Inner Thread |
| CN108908863A (en) * | 2018-06-13 | 2018-11-30 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of screw thread side multi-slide core-pulling mechanism injection mold |
| CN208930648U (en) * | 2018-10-15 | 2019-06-04 | 金陵科技学院 | A kind of adjustable injection mold of Core-pulling distance |
| CN209304905U (en) * | 2018-11-30 | 2019-08-27 | 广东力人科技有限公司 | The mold core quick-changing type mold that threaded side is taken out |
| CN209599762U (en) * | 2019-01-11 | 2019-11-08 | 安徽皖精模具科技有限公司 | A kind of household electrical appliances plastic part die core pulling device |
| CN210139568U (en) * | 2019-03-22 | 2020-03-13 | 广东科技学院 | Automatic demoulding mechanism for threads |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477028A (en) * | 2020-10-30 | 2021-03-12 | 盐城市金德模具制造有限公司 | Dead lever link gear of loosing core |
| CN112477028B (en) * | 2020-10-30 | 2022-04-22 | 盐城市金德模具制造有限公司 | Dead lever link gear of loosing core |
| CN112518603A (en) * | 2020-11-17 | 2021-03-19 | 湖南省方圆磨料磨具有限公司 | Grinding wheel die assembly convenient for grinding wheel extraction |
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