CN110962312A - Automatic hank tooth mould of high accuracy - Google Patents
Automatic hank tooth mould of high accuracy Download PDFInfo
- Publication number
- CN110962312A CN110962312A CN201911290434.9A CN201911290434A CN110962312A CN 110962312 A CN110962312 A CN 110962312A CN 201911290434 A CN201911290434 A CN 201911290434A CN 110962312 A CN110962312 A CN 110962312A
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- CN
- China
- Prior art keywords
- twisting
- mold core
- thread
- injection molding
- shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2618—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
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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 provides a high-precision automatic thread reaming die which comprises a body and a driving motor arranged on the side surface of the body, wherein a thread reaming component, a die core and an injection molding head are arranged in the body; one end of the injection molding head is arranged in the mold core, the thread twisting component comprises a thread twisting shaft and a shaft sleeve, one end of the thread twisting shaft is a mold core, the mold core is arranged in the mold core, and a thread twisting wheel is arranged on the shaft sleeve; the injection molding head is used for injection molding of a workpiece on the mold core, and the driving motor drives the shaft sleeve and the twisting gear to rotate so as to twist the workpiece. According to the high-precision automatic thread twisting die, the shaft sleeve on the thread twisting shaft and the thread twisting roller are driven to rotate by the external driving motor, so that automatic thread twisting of a product is realized, manual operation is omitted, the thread twisting precision is higher, the thread broaching condition is not easy to occur, the die loss is smaller, and the integral production efficiency and the product quality are improved.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a high-precision automatic tooth twisting die.
Background
In the process of forming an injection mold product, for all products with threads on the upper side surface, a thread core is placed in the forming process to form the threads, the thread core of the mold is placed in a movable mold cavity manually in the prior art, after the product is subjected to injection molding, the product and the thread core are manually taken out, and then the thread core is screwed out of the product in a manual thread twisting mode. In this way, the following disadvantages exist: the screw tooth core is easy to put at an accurate position, so that a mould is damaged, and the operation safety has hidden danger; more than two screw tooth cores are needed to be replaced for alternative use and molding, only manual semi-automatic production can be used, and the molding machine has the defects of long molding period, high production cost and the like; the thread core is screwed out of the product by manually operating the thread twisting, so that the time and labor are wasted, the product is easily damaged, and the quality reject ratio is high.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of providing a high-precision automatic tooth twisting die so as to solve the problems of low precision and low working efficiency of the tooth twisting die in the prior art.
(II) technical scheme
In order to solve the technical problem, the invention provides a high-precision automatic tooth twisting mold which comprises a body and a driving motor arranged on the side surface of the body, wherein a tooth twisting component, a mold core and an injection molding head are arranged in the body; one end of the injection molding head is arranged in the mold core, the thread twisting component comprises a thread twisting shaft and a shaft sleeve, the bottom end of the thread twisting shaft is fixed in the body through a base, one end of the thread twisting shaft is a mold core and is used for being matched with an injection molding workpiece of the injection molding head, the mold core is arranged in the mold core, a thread twisting wheel is arranged on the shaft sleeve and is fixed on the shaft sleeve through a taper bearing, the upper end surface of the thread twisting wheel is attached to the mold core, and the thread twisting wheel is used for machining threads on the workpiece; when the injection molding machine works, the injection molding head is used for injection molding of a workpiece on the mold core, and the driving motor drives the shaft sleeve and the twisting gear to rotate so as to twist the workpiece.
Furthermore, the driving motor is fixed on the body through a connecting seat, a first belt pulley is mounted on a shaft of the driving motor, a second belt pulley is mounted on the shaft sleeve, the first belt pulley is connected with the second belt pulley through a belt, and the driving motor can drive the shaft sleeve to rotate through the first belt pulley and the second belt pulley; the second belt pulley is provided with a first clamping groove, the shaft sleeve is provided with a second clamping groove, and the first clamping groove is connected with the second clamping groove through a clamping block, so that the second belt pulley can drive the shaft sleeve to rotate when rotating.
Further, the mold core is divided into an upper mold core and a lower mold core, a cavity is arranged in the lower mold core, and the injection molding head injects a workpiece into the cavity; the mould injection molding machine is characterized in that a cavity and a through hole are formed in the upper mould core, the injection molding head is arranged in the cavity, and the bottom of the injection molding head penetrates through the through hole.
(III) advantageous effects
According to the high-precision automatic thread twisting die, the shaft sleeve on the thread twisting shaft and the thread twisting roller are driven to rotate by the external driving motor, so that automatic thread twisting of a product is realized, manual operation is omitted, the thread twisting precision is higher, the thread broaching condition is not easy to occur, the die loss is smaller, and the integral production efficiency and the product quality are improved.
Drawings
FIG. 1 is a perspective view of a high-precision automatic tooth-twisting mold according to the present invention;
FIG. 2 is an exploded view of a high precision automatic threading die of the present invention;
FIG. 3 is a perspective view of the internal structure of a high-precision automatic tooth-twisting mold according to the present invention;
FIG. 4 is an exploded view of a thread assembly of a high precision automatic thread die of the present invention;
FIG. 5 is a perspective view of a driving motor of the high-precision automatic tooth twisting mold according to the present invention;
FIG. 6 is a perspective view of a second belt pulley of the high-precision automatic threading die of the present invention;
FIG. 7 is an exploded view of a mold core of the high-precision automatic tooth twisting mold according to the present invention;
fig. 8 is a perspective view of an upper mold core of the high-precision automatic tooth twisting mold.
Wherein: the mold comprises a body 1, a driving motor 2, an injection molding head 3, a thread twisting shaft 4, a shaft sleeve 5, a second clamping groove 501, a mold core 6, a thread twisting wheel 7, a connecting seat 8, a first belt pulley 9, a second belt pulley 10, a first clamping groove 101, a belt 11, a clamping block 12, a taper bearing 13, a base 14, an upper mold core 15, a lower mold core 16, a mold cavity 17, a cavity 18 and a through hole 19.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 8, in order to solve the above technical problems, the present invention provides a high-precision automatic tooth twisting mold, which includes a main body 1 and a driving motor 2 installed on a side surface of the main body 1; referring to fig. 2 and 3, a thread twisting component, a mold core and an injection molding head 3 are installed in the body 1, wherein one end of the injection molding head 3 is arranged in the mold core and used for completing injection molding in the mold core, and the thread twisting component is used for injection molding and thread twisting of a product; referring to fig. 4, 5 and 6, the thread twisting assembly comprises a thread twisting shaft 4 and a shaft sleeve 5, the shaft sleeve 5 is movably sleeved on the thread twisting shaft 4, one end of the thread twisting shaft 4 is fixed on a base 14, the base 14 is fixed in the body 1, one end of the thread twisting shaft 4 is a mold core 6, the mold core 6 is arranged in a mold core, and the injection molding head 3 performs injection molding on a product through the shape of the mold core 6; a twisting cone wheel 7 is arranged on the shaft sleeve 5, the twisting cone wheel 7 is fixed on the shaft sleeve 5 through a taper bearing 13, wherein the twisting cone wheel 7 is sleeved outside the taper bearing 13, the bottom end of the taper bearing 13 is sleeved in the shaft sleeve 5 to realize fixation, and the upper surface of the twisting cone wheel 7 is attached to the bottom of the mold core 6; the cutter cone 7 is used for processing internal threads at the end part of a product; the driving motor 2 is fixed on the body 1 through a connecting seat 8, a first belt pulley 9 is installed on a shaft of the driving motor 2, a second belt pulley 10 corresponding to the first belt pulley 9 is installed on the shaft sleeve 5, the first belt pulley 9 and the second belt pulley 10 are connected through a belt 11, and the driving motor 2 can drive the second belt pulley 10 to rotate through the first belt pulley 9 after rotating; be equipped with first draw-in groove 101 on the second belt pulley 10, be equipped with second draw-in groove 501 on the axle sleeve 5, be connected through fixture block 12 between this first draw-in groove 101 and the second draw-in groove 501, when second belt pulley 10 rotates, can drive axle sleeve 5 through fixture block 12 and second draw-in groove 501 and rotate, and the hank cone 7 on the axle sleeve 5 can rotate simultaneously this moment, twists the tooth to the work piece.
Referring to fig. 7 and 8, the mold core is divided into an upper mold core 15 and a lower mold core 16, wherein a mold cavity 17 is arranged in the lower mold core 16, the injection head 3 injects raw materials into the mold cavity 17 to form a workpiece, a cavity 18 and a through hole 19 are arranged in the upper mold core 15, the injection head 3 is arranged in the cavity 18 to fix a position, and the bottom of the injection head 3 penetrates through the through hole 19 to achieve accurate positioning.
According to the high-precision automatic thread twisting die, the shaft sleeve on the thread twisting shaft and the thread twisting roller are driven to rotate by the external driving motor, transmission is realized between the driving motor and the shaft sleeve through the belt pulley assembly, automatic thread twisting of a product is realized by the thread twisting die, manual operation of thread twisting is not needed, the precision and the quality of thread twisting are higher due to the fact that the positions of all assemblies in the die are fixed, thread twisting is not prone to occur, die loss is small, and overall production efficiency and product quality are improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A high-precision automatic tooth twisting die is characterized by comprising a body (1) and a driving motor (2) arranged on the side surface of the body (1), wherein a tooth twisting component, a die core and an injection molding head (3) are arranged in the body (1); one end of the injection molding head (3) is arranged in the mold core, the thread twisting component comprises a thread twisting shaft (4) and a shaft sleeve (5), one end of the thread twisting shaft (4) is provided with a mold core (6), the mold core (6) is arranged in the mold core, and a thread twisting wheel (7) is arranged on the shaft sleeve (5); the injection molding head (3) is used for injection molding of a workpiece on the mold core (6), and the driving motor (2) drives the shaft sleeve (5) and the twisting gear wheel (7) to rotate so as to twist the workpiece.
2. The high-precision automatic tooth twisting die according to claim 1, characterized in that: the driving motor (2) is fixed on the body (1) through a connecting seat (8), a first belt pulley (9) is mounted on a shaft of the driving motor (2), a second belt pulley (10) is mounted on the shaft sleeve (5), and the first belt pulley (9) is connected with the second belt pulley (10) through a belt (11); the belt conveyor is characterized in that a first clamping groove (101) is formed in the second belt pulley (10), a second clamping groove (501) is formed in the shaft sleeve (5), and the first clamping groove (101) is connected with the second clamping groove (501) through a clamping block (12).
3. The high-precision automatic tooth twisting die according to claim 1, characterized in that: the hinge cone (7) is fixed on the shaft sleeve (5) through a taper bearing (13), the upper end face of the hinge cone (7) is attached to the mold core (6), and the bottom end of the hinge cone shaft (4) is fixed in the body (1) through a base (14).
4. The high-precision automatic tooth twisting die according to claim 1, characterized in that: the mold core is divided into an upper mold core (15) and a lower mold core (16), and a mold cavity (17) is arranged in the lower mold core (16).
5. The high-precision automatic tooth twisting die according to claim 4, characterized in that: a cavity (18) and a through hole (19) are arranged in the upper die core (15), the injection molding head (3) is arranged in the cavity (18), and the bottom of the injection molding head (3) penetrates through the through hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290434.9A CN110962312A (en) | 2019-12-16 | 2019-12-16 | Automatic hank tooth mould of high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290434.9A CN110962312A (en) | 2019-12-16 | 2019-12-16 | Automatic hank tooth mould of high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110962312A true CN110962312A (en) | 2020-04-07 |
Family
ID=70034484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911290434.9A Pending CN110962312A (en) | 2019-12-16 | 2019-12-16 | Automatic hank tooth mould of high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110962312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872279A (en) * | 2022-04-27 | 2022-08-09 | 欧唐科技（深圳）有限公司 | Internal and external tooth demoulding device for plastic mould product |
-
2019
- 2019-12-16 CN CN201911290434.9A patent/CN110962312A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872279A (en) * | 2022-04-27 | 2022-08-09 | 欧唐科技（深圳）有限公司 | Internal and external tooth demoulding device for plastic mould product |
| CN114872279B (en) * | 2022-04-27 | 2023-10-27 | 欧唐科技（深圳）有限公司 | Inner tooth and outer tooth demoulding device for plastic mould product |
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