CN221271878U - Screw tooth structure of injection mold - Google Patents
Screw tooth structure of injection mold Download PDFInfo
- Publication number
- CN221271878U CN221271878U CN202323107800.7U CN202323107800U CN221271878U CN 221271878 U CN221271878 U CN 221271878U CN 202323107800 U CN202323107800 U CN 202323107800U CN 221271878 U CN221271878 U CN 221271878U
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- hole
- water conveying
- water
- insert
- cavity
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- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 134
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Abstract
The utility model discloses a screw tooth structure of an injection mold, which relates to the field of injection molds and comprises a movable mold, a water conveying insert, a screw tooth insert, a water conveying part, a rotary tooth sleeve and a driving mechanism, wherein the water conveying insert is provided with a first through hole and a third through hole, the screw tooth insert is provided with a second through hole and a fourth through hole, a second cavity is arranged in the screw tooth insert, the water conveying part is arranged in the second cavity, a water conveying gap is arranged between the upper end of the water conveying part and the inner wall of the second cavity, the second through hole, the water conveying gap, the water conveying part and the third through hole are sequentially communicated, the outer wall of the screw tooth insert is provided with a first connecting structure and a second connecting structure, the first through hole is communicated with the second through hole through the first connecting structure, and the third through hole is communicated with the fourth through the second connecting structure. The first connecting structure and the second connecting structure encircle the screw insert to form a ring shape, and the screw insert can be kept connected with a waterway of the water carrying insert when the screw insert rotates.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a tooth twisting structure of an injection mold.
Background
When an injection mold is used for processing and forming a product with internal threads, a screw insert is usually required to be arranged, and external threads are formed on the insert so as to facilitate the formation of the internal threads of the product. When the die is opened, the driving device and the transmission structure drive the screw insert to rotate and move, so that the screw insert is screwed out of the product.
The cooling system is arranged on the screw insert, a water conveying pipeline is generally arranged in the screw insert, and water is conveyed in the water conveying pipeline in the product forming process to achieve the cooling effect on the water conveying pipeline and the product, so that the forming period is quickened. The product internal screw thread needs rotatory demolding, and the screw insert is rotatory when the demolding makes the fortune water pipe rotatory thereupon, and the relative rotation appears in fortune water pipe of fortune water pipe and the water route of movable mould, leads to the connection structure of fortune water pipe and the water route of movable mould comparatively complicated, the structure is difficult to dismantle, inconvenient installation and the maintenance of whole set of mould.
And the product internal screw thread needs rotatory demolding, and the screw insert rotation makes fortune water pipe and the inside water route of movable mould lose to be connected during the demolding, can not obtain fortune water cooling, has reduced the time of moulding plastics moreover greatly.
Disclosure of utility model
The utility model aims to provide a tooth twisting structure of an injection mold, so as to solve the problems in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an injection mold's hank tooth structure, includes movable mould, fortune water mold insert, thread mold insert, fortune water part, rotatory facing and actuating mechanism, fortune water mold insert is fixed in the movable mould with rotatory facing, the rotatable setting of thread mold insert is in the movable mould, actuating mechanism is connected with the transmission of thread mold insert, thread mold insert lower extreme rotatable sets up in fortune water mold insert inside, fortune water mold insert lower extreme is equipped with first through-hole and third through-hole, thread mold insert lower extreme is equipped with second through-hole and fourth through-hole, thread mold insert inside is equipped with the second cavity, fortune water part sets up in the second cavity, be equipped with the fortune water clearance between fortune water part upper end and the second cavity inner wall, second through-hole, fortune water clearance, fortune water part and third through-hole communicate in proper order, fortune water clearance upper and lower both ends are connected respectively, the axis of first through-hole and the axis of second through-hole all are along the radial setting of thread mold insert, thread mold insert lower extreme is equipped with second through-hole and fourth through-hole, thread mold insert inside is equipped with second through-hole and fourth through-hole, thread mold insert and the radial connection structure all are connected with the second through-hole, the thread mold insert sets up along the radial connection structure and the second through-hole, the thread mold insert sets up with the second through-hole.
Preferably, the water transporting component comprises a first water transporting piece and a second water transporting piece, the lower end of the first water transporting piece is detachably connected with the upper end of the second water transporting piece, the first water transporting piece is in clearance fit with the second cavity, the second water transporting piece is in interference fit with the second cavity, the first water transporting piece is of a hollow structure, a water transporting channel is formed in the second water transporting piece, the second through hole, the water transporting gap, the first water transporting piece, the water transporting channel and the third through hole are sequentially communicated, and the upper end and the lower end of the water transporting gap are respectively connected with the upper end and the second through hole of the first water transporting piece.
Preferably, the first connection structure is an annular groove, and the second through hole is arranged in the first connection structure.
Preferably, the second connecting structure is an annular groove, and the third through hole is arranged in the second connecting structure.
Preferably, the water transporting channel is an L-shaped channel, and the lower end of the first water transporting piece is sleeved inside the water transporting channel.
Preferably, the first water carrying member is in interference fit with the water carrying channel.
Preferably, the first water carrying member has a cylindrical structure, the second water carrying member has a cylindrical structure, and the diameter of the first water carrying member is smaller than that of the second water carrying member.
Preferably, the driving mechanism comprises a motor, a main gear, a gear set, a transmission gear and a driven gear, wherein the driven gear is fixed in the middle of the screw insert and meshed with the transmission gear, the main gear is arranged on a rotating shaft of the motor, the main gear is in transmission connection with the transmission gear through the gear set, and the driven gear can move relative to the transmission gear.
Preferably, the screw insert further comprises a blocking piece, one end of the second cavity penetrates through the screw insert, the blocking piece is arranged at the opening position of the second cavity, and the blocking piece is in interference fit with the second cavity.
Preferably, the novel screw tooth insert further comprises a sealing ring, wherein the sealing ring is arranged inside the second cavity, the sealing ring is sleeved on the screw tooth insert, and the sealing ring is arranged on two sides of the first annular groove and two sides of the second annular groove.
The beneficial effects of the utility model are as follows: each screw insert and the water carrying insert are internally provided with a water carrying component, the screw inserts are driven to rotate by driving force provided by the driving mechanism, the first connecting structure and the second connecting structure encircle the screw inserts to form a ring shape, and the screw inserts can be kept connected with the waterway of the water carrying inserts when the screw inserts rotate.
Drawings
The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.
FIG. 1 is a perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a structure according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model;
Fig. 4 is an enlarged view of a portion a in fig. 2.
Reference numerals: 1: a screw insert; 2: a water carrying insert; 3: a water carrying component; 4: rotating the shell; 5a driving mechanism; 6: an injection molding; 31: a first water carrying member; 32: a second water carrying member; 41: a first through hole; 42: a second through hole; 43: a third through hole; 44: and a fourth through hole.
A screw insert 1; a water carrying insert 2; a water carrying member 3; rotating the mouthpiece 4; a drive mechanism 5; an injection molding 6; a first water carrying member 31; a second water carrying member 32; a first through hole 41; a second through hole 42; a third through hole 43; fourth through hole 44.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It is noted that in the present utility model, where an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. Terms of orientation such as "up, down, left, right" are used generally to refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to inner and outer on a particular contour.
As shown in fig. 1-4, the screw thread structure of the injection mold provided by the embodiment of the utility model comprises a movable die, a water carrying insert 2, a screw thread insert 1, a water carrying part 3, a rotary tooth socket 4 and a driving mechanism 5, wherein the water carrying insert 2 and the rotary tooth socket 4 are fixed on the movable die, the screw thread insert 1 is rotatably arranged on the movable die, the driving mechanism 5 is in transmission connection with the screw thread insert 1, the lower end of the screw thread insert 1 is rotatably arranged inside the water carrying insert 2, the lower end of the water carrying insert 2 is provided with a first through hole 41 and a third through hole 43, the lower end of the screw thread insert 1 is provided with a second through hole 42 and a fourth through hole 44, a second cavity is arranged inside the screw thread insert 1, a water carrying gap is arranged between the upper end of the water carrying part 3 and the inner wall of the second cavity, the second through hole 42, the water carrying part 3 is sequentially communicated with the third through hole 43, the lower end of the water carrying part 3 is respectively connected with the second through hole 41 and the second through hole 44 along the radial direction of the screw thread insert 1, and the second through hole 44 is respectively arranged on the lower end of the screw thread insert 1 and is communicated with the second through hole 41, and the second through hole 44 is radially connected with the first through hole 1 and the second through hole 1.
The water conveying component 3 comprises a first water conveying piece 31 and a second water conveying piece 32, the lower end of the first water conveying piece 31 is detachably connected with the upper end of the second water conveying piece 32, the first water conveying piece 31 is in clearance fit with the second cavity, the second water conveying piece 32 is in clearance fit with the second cavity, the first water conveying piece 31 is of a hollow structure, a water conveying channel is arranged in the second water conveying piece 32, the second through hole 42, the water conveying gap, the first water conveying piece 31, the water conveying channel and the third through hole 43 are sequentially communicated, and the upper end and the second through hole 42 of the first water conveying piece 31 are respectively connected with the upper end and the lower end of the water conveying gap.
The first connection structure is an annular groove, and the second through hole 42 is disposed in the first connection structure.
The second connection structure is an annular groove, and the third through hole 43 is disposed in the second connection structure.
The water carrying channel is an L-shaped channel, and the lower end of the first water carrying member 31 is sleeved inside the water carrying channel.
The first water carrying member 31 is in interference fit with the water carrying passage.
The first water carrying member 31 has a cylindrical structure, the second water carrying member 32 has a cylindrical structure, and the diameter of the first water carrying member 31 is smaller than that of the second water carrying member 32.
The driving mechanism 5 comprises a motor, a main gear, a gear set, a transmission gear and a driven gear, wherein the driven gear is fixed in the middle of the screw insert 1 and meshed with the transmission gear, the main gear is arranged on a rotating shaft of the motor, the main gear is in transmission connection with the transmission gear through the gear set, and the driven gear can move relative to the transmission gear.
Still include the sprue, second cavity one end runs through screw insert 1, the sprue sets up in the open position of second cavity, sprue and second cavity interference fit.
The novel screw tooth insert comprises a first annular groove, a second annular groove and a sealing ring, and is characterized by further comprising the sealing ring, wherein the sealing ring is arranged inside the second cavity, the sealing ring is sleeved on the screw tooth insert 1, and the sealing ring is arranged on two sides of the first annular groove and two sides of the second annular groove.
The technical features of the above embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which should be considered as within the scope of the present description.
Claims (10)
1. The utility model provides a hank tooth structure of injection mold which characterized in that: including movable mould, fortune water mold insert, thread mold insert, fortune water part, rotatory facing and actuating mechanism, actuating mechanism is connected with the transmission of thread mold insert, thread mold insert lower extreme rotatable setting is inside the fortune water mold insert, fortune water mold insert lower extreme is equipped with first through-hole and third through-hole, thread mold insert lower extreme is equipped with second through-hole and fourth through-hole, thread mold insert inside is equipped with the second cavity, fortune water part sets up in the second cavity, be equipped with fortune water clearance between fortune water part upper end and the second cavity inner wall, fortune water part upper end and third through-hole communicate in proper order, fortune water part upper end and second through-hole are connected respectively to both ends about the fortune water clearance, the axis of first through-hole all sets up along the radial of thread mold insert with the axis of fourth through-hole, thread mold insert outer wall is equipped with first connection structure and second through-hole, first connection structure and second through-hole all encircle the first through-hole, first connection structure and second through-hole all communicate.
2. The tooth structure of an injection mold according to claim 1, wherein: the water conveying component comprises a first water conveying part and a second water conveying part, the lower end of the first water conveying part is detachably connected with the upper end of the second water conveying part, the first water conveying part is in clearance fit with the second cavity, the second water conveying part is in interference fit with the second cavity, the first water conveying part is of a hollow structure, a water conveying channel is formed in the second water conveying part, the second through hole, the water conveying gap, the first water conveying part, the water conveying channel and the third through hole are sequentially communicated, and the upper end and the lower end of the water conveying gap are respectively connected with the upper end and the second through hole.
3. The tooth structure of an injection mold according to claim 2, wherein: the first connecting structure is an annular groove, and the second through hole is formed in the first connecting structure.
4. A packing structure of an injection mold according to claim 3, wherein: the second connecting structure is an annular groove, and the third through hole is formed in the second connecting structure.
5. The tooth structure of an injection mold according to claim 2, wherein: the water conveying channel is an L-shaped channel, and the lower end of the first water conveying piece is sleeved inside the water conveying channel.
6. The injection mold tooth structure of claim 5, wherein: the first water conveying piece is in interference fit with the water conveying channel.
7. The tooth structure of an injection mold according to claim 2, wherein: the first water conveying piece is of a cylinder structure, the second water conveying piece is of a cylinder structure, and the diameter of the first water conveying piece is smaller than that of the second water conveying piece.
8. The tooth structure of an injection mold according to claim 1, wherein: the driving mechanism comprises a motor, a main gear, a gear set, a transmission gear and a driven gear, wherein the driven gear is fixed in the middle of the screw insert and meshed with the transmission gear, the main gear is arranged on a rotating shaft of the motor and is in transmission connection with the transmission gear through the gear set, and the driven gear can move relative to the transmission gear.
9. The tooth structure of an injection mold according to claim 1, wherein: still include the sprue, second cavity one end runs through the screw insert, the sprue sets up in the open position of second cavity, sprue and second cavity interference fit.
10. The tooth structure of an injection mold of claim 4, wherein: the sealing ring is arranged in the second cavity, the sealing ring is sleeved on the screw insert, and the sealing ring is arranged on two sides of the first annular groove and the second annular groove.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221271878U true CN221271878U (en) | 2024-07-05 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |