CN221392024U - Injection molding internal thread demoulding mechanism - Google Patents
Injection molding internal thread demoulding mechanism Download PDFInfo
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- CN221392024U CN221392024U CN202323276842.3U CN202323276842U CN221392024U CN 221392024 U CN221392024 U CN 221392024U CN 202323276842 U CN202323276842 U CN 202323276842U CN 221392024 U CN221392024 U CN 221392024U
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- core
- sliding block
- pulling
- slide block
- sliding
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 238000001746 injection moulding Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 19
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model provides an injection molding internal thread demoulding mechanism, includes slider loose core subassembly and screw thread loose core subassembly, wherein: the slide block core-pulling assembly consists of a slide block core-pulling insert, a slide block group, a push plate, an oil cylinder and a slide groove module, wherein the slide block core-pulling insert consists of a forming end and a transmission rod, an installation groove is formed in the slide block group, slide rails are arranged on two sides of the slide block group, and the oil cylinder is symmetrically arranged on templates on two sides of the slide block group; the threaded core-pulling assembly consists of a threaded core-pulling insert, a transmission member, a shaft sleeve, a driven gear, a driving gear and a motor, wherein the threaded core-pulling insert is sleeved on the periphery of the forming end, a through hole is formed in the transmission member, a mounting seat is arranged on the driven gear, and the tail end of the transmission member is in sliding connection with the shaft sleeve. After the motor is used for threaded core pulling, the double cylinders symmetrically arranged are used for pushing the sliding block core pulling assembly to pull the core, so that the problem that threads are easy to damage in the threaded core pulling process is solved, and the occurrence of a clamping and stopping condition in the core pulling process is prevented.
Description
Technical Field
The utility model relates to the technical field of mold design, in particular to an internal thread demolding mechanism for an injection molding part.
Background
The lateral demolding mechanism of the mold is a mechanism which can obtain lateral core pulling or lateral parting and drag out the positions of inverted buckle, sinkage and the like of a product through a resetting action.
At present, there is the back-off that is equipped with long stroke of plastic product to still design has internal thread structure in the back-off, uses conventional slider core pulling mechanism to carry out the drawing of patterns by force and leads to the screw thread to be damaged easily, and uses traditional single cylinder to draw the stroke overlength that the slider can cause the cylinder, and convex size is too big on the mould after the installation, damages easily when using, and uses single cylinder to promote, takes place the card again easily under the longer condition of stroke and just can cause the potential safety hazard.
Therefore, the utility model designs an injection molding internal thread demoulding mechanism for solving the problems in the prior art.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is for the convenience of understanding by those skilled in the art, and is not to be construed as merely illustrative of the background art of the present utility model.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide the internal thread demoulding mechanism for the injection molding piece, which avoids damaging a thread structure of a product by using two core pulling actions of thread core pulling and slider core pulling in a staged manner, and simultaneously adopts two groups of symmetrical cylinders to push out the slider core pulling mechanism for demoulding, so that the size of a protruding mould of an oil cylinder assembly is reduced, and meanwhile, the occurrence of a clamping and stopping condition in the stroke process is also avoided.
To achieve the above and other related objects, the present utility model provides the following technical solutions: the utility model provides an injection molding internal thread demoulding mechanism, includes slider loose core subassembly and screw thread loose core subassembly, wherein:
The slide block core-pulling assembly consists of a slide block core-pulling insert, a slide block group, a push plate, oil cylinders and slide groove modules, wherein the slide block core-pulling insert consists of a forming end and a transmission rod, an installation groove is formed in the slide block group, slide rails are arranged on two sides of the slide block group, the slide rails are in sliding connection with the slide groove modules, the slide groove modules are fixed on a template, the tail part of the transmission rod is fixedly connected with the tail end of the installation groove, the push plate is connected with the rear end of the slide block group, the oil cylinders are two and are symmetrically arranged on the templates on two sides of the slide block group, and the output ends of the two oil cylinders are respectively connected with two sides of the push plate;
The screw core-pulling assembly consists of a screw core-pulling insert, a transmission part, a shaft sleeve, a driven gear, a driving gear and a motor, wherein the screw core-pulling insert is sleeved on the periphery of a forming end, the rear end of the screw core-pulling insert is connected with the transmission part, a through hole is formed in the transmission part, the through hole is in sliding connection with the periphery of a transmission rod, a mounting seat is arranged on the driven gear, the transmission part passes through the mounting seat and is in transmission connection with the mounting seat, the periphery of the tail end of the transmission part is in sliding connection with the shaft sleeve, the shaft sleeve is fixed in a mounting groove, the driven gear is in meshed transmission with the driving gear, the driving gear is connected with the output end of the motor, and the motor is fixed on the lower side of the sliding block set.
The preferable technical scheme is as follows: the slider group is including the front end slider, middle installation slider and the rear end slider that connect gradually, and middle installation slider lower extreme is equipped with the motor mounting hole, ma Dagu decides in the motor mounting hole, makes the dismouting of mechanism more convenient.
The preferable technical scheme is as follows: the push pedal is connected through spacing subassembly with slider group rear end, and spacing subassembly includes pull rod and double-end spacer pin, and the terminal slotted hole that is used for the cooperation pull rod that sets up of rear end slider, and the slotted hole lateral wall is equipped with the spacer pin mounting hole that communicates to the spout module, is equipped with on the pull rod can with the first draw-in groove of double-end spacer pin tip joint, be equipped with in the spout module spout can with the second draw-in groove of double-end spacer pin tip joint, double-end spacer pin sets up in the spacer pin mounting hole.
The preferable technical scheme is as follows: a guide rod is arranged between the push plate and the template, so that the push plate moves more stably.
The preferable technical scheme is as follows: the periphery of the front end of the transmission piece is provided with a guide sleeve, the guide sleeve can slide back and forth and is arranged in the mounting groove, a clamping interface is arranged on the guide sleeve, a clamping piece is arranged on the sliding block set, and the clamping piece is connected with the clamping interface and used for preventing the guide sleeve from rotating.
Due to the application of the technical scheme, the internal thread demoulding mechanism for the injection molding part disclosed by the utility model adopts the motor to carry out thread core pulling and then pushes the slide block core pulling assembly to carry out core pulling through the symmetrically arranged double cylinders, so that the problem that threads are easy to damage in the thread core pulling process is solved, and the occurrence of a clamping and stopping condition in the core pulling process is prevented.
Drawings
FIG. 1 is a schematic diagram of an internal thread demoulding mechanism of an injection molding part;
FIG. 2 is an exploded view of an internal thread stripper mechanism for injection molding according to the present utility model;
FIG. 3 is a schematic view of the structure of the rear slider according to the present utility model;
FIG. 4 is a schematic view of a chute module according to the present utility model;
FIG. 5 is a schematic diagram of a driving member according to the present utility model;
FIG. 6 is a schematic view of a driven gear according to the present utility model;
FIG. 7 is a schematic view of the structure of the guide sleeve according to the present utility model;
Fig. 8 is a schematic structural view of a pull rod according to the present utility model.
In the above drawings, 1, a slide block core-pulling assembly; 11. a slide block core-pulling insert; 11a, a forming end; 11b, a transmission rod; 12. a slider group; 12a, mounting grooves; 12b, a sliding rail; 12c, a clamping piece; 121. a front slider; 122. a sliding block is arranged in the middle; 122a, motor mounting holes; 123. a rear slider; 123a, slot holes; 123b, a limiting pin mounting hole; 13. a push plate; 14. an oil cylinder; 15. a chute module; 15a, a second clamping groove; 2. a threaded core-pulling assembly; 21. a threaded core-pulling insert; 22. a transmission member; 22a, through holes; 23. a shaft sleeve; 24. a driven gear; 24a, a mounting seat; 25. a drive gear; 26. a motor; 27. a guide sleeve; 27a, card interface; 3. a limit component; 31. a pull rod; 31a, a first clamping groove; 32. double-end limiting pins; 4. a guide rod; 5. and (5) a product.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are azimuth or positional relationships based on those shown in the drawings, or azimuth or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang" and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
As shown in fig. 1, the utility model discloses an injection molding part internal thread demoulding mechanism, which structurally comprises a slide block core-pulling assembly 1, a thread core-pulling assembly 2, a limiting assembly 3 and a guide rod 4, and is used for shaping and pulling a core of an internal thread structure of a product 5, and the main components are described in detail below:
As shown in fig. 1 and 2, the slide core pulling assembly 1 includes a slide core pulling insert 11, a slide block set 12, a push plate 13, an oil cylinder 14 and a chute module 15, wherein the slide core pulling insert 11 is composed of a forming end 11a and a transmission rod 11b, an installation groove 12a is provided in the slide block set 12, a clamping piece 12c is provided on the slide block set 12, the slide block set 12 includes a front end slide block 121, a middle installation slide block 122 and a rear end slide block 123 which are sequentially connected, a motor installation hole 122a is provided at the lower end of the middle installation slide block 122, slide rails 12b are provided at two sides of the slide block set 12, the slide rails 12b are slidably connected with the chute module 15, the chute module 15 is fixed on a template, the tail of the transmission rod 11b is fixedly connected with the end of the installation groove 12a, the push plate 13 is connected with the rear end of the slide block set 12, the oil cylinders 14 are provided with two and symmetrically arranged on templates at two sides of the slide block set 12, and output ends of the two oil cylinders 14 are respectively connected with two sides of the push plate 13.
As shown in fig. 1, fig. 2, fig. 5, fig. 6 and fig. 7, the core-pulling screw assembly 2 is composed of a core-pulling screw insert 21, a transmission member 22, a shaft sleeve 23, a driven gear 24, a driving gear 25, a motor 26 and a guide sleeve 27, wherein the core-pulling screw insert (21) is sleeved on the periphery of a forming end 11a, the rear end of the core-pulling screw insert 21 is connected with the transmission member 22, a through hole 22a is arranged on the transmission member 22 and is in sliding connection with the periphery of a transmission rod 11b, an installation seat 24a is arranged on the driven gear 24, the transmission member 22 passes through the installation seat 24a and is in transmission connection with the transmission member, the periphery of the front end of the transmission member (22) is connected with the guide sleeve 27, the periphery of the tail end of the transmission member (22) is connected with the shaft sleeve 23, the guide sleeve 27 and the shaft sleeve 23 are arranged in an installation groove 12a, a clamping interface 27a is arranged on the guide sleeve 27, a clamping piece 12c is connected with the clamping interface 27a, the driven gear 24 is in meshed transmission with the driving gear 25, the driving gear 25 is connected with the output end of the motor 26, and the motor 26 is fixed in the motor installation hole 122 a.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 8, two ends of the limiting component 3 are respectively connected with the push plate 13 and the slide block set 12, the limiting component 3 comprises a pull rod 31 and a double-end limiting pin 32, a slot hole 123a for matching with the pull rod 31 is arranged at the tail end of the slide block 123 at the rear end, a limiting pin mounting hole 123b communicated with the slide groove module 15 is arranged on the side wall of the slot hole 123a, a first clamping groove 31a capable of being clamped with the end part of the double-end limiting pin 32 is arranged on the pull rod 31, a second clamping groove 15a capable of being clamped with the end part of the double-end limiting pin 32 is arranged in the slide groove of the slide groove module 15, and the double-end limiting pin 32 is arranged in the limiting pin mounting hole 123 b.
As shown in fig. 1 and 2, the guide rod 4 is provided between the push plate 13 and the die plate for making the movement of the push plate 13 more stable.
Referring to fig. 1 to 8, when the mold is opened, the motor 26 is started to drive the driving gear 25 to rotate, the driving gear 25 drives the driven gear 24 meshed with the driving gear 25 to rotate, the driven gear 24 drives the driving member 22 connected with the driving member and the threaded core-pulling insert 21 connected with the front end of the driving member to synchronously rotate, the threaded core-pulling insert 21 is gradually separated from the threaded structure of the product 5 along with the rotation of the threaded core-pulling insert 21, the threaded core-pulling insert 11 sleeved inside by the threaded core-pulling insert 21 is fixed at the tail end of the mounting groove 12a through the driving rod 11b to keep the threaded core-pulling insert 11 stationary, after the threaded core-pulling insert 21 is completely separated from the threaded structure of the product 5, the oil cylinder 14 starts to push the push plate 13 to move away from the cavity, the pull rod 31 on the push plate 13 moves along with the push plate, when the first clamping groove 31a on the pull rod 31 moves to the position of the limiting pin mounting hole 123b, the double-end limiting pin 32 is stressed and separated from the second clamping groove 15a, the core-pulling rod 31 is clamped with the sliding block 12 at the moment, the sliding block module 15 and the sliding block 12 are clamped with the sliding block 12, the sliding block 12 moves along with the pull rod 31, the pull rod 31 moves along with the pull rod 31 to the direction away from the sliding block 11, and the push plate 11 is completely separated from the opposite to the push plate 11, and the problem is avoided in the process of balancing the two sides caused by the push plate is completely.
The present utility model provides a single embodiment which is merely illustrative of the principles of the present utility model and its effectiveness, and not in limitation thereof. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations which can be accomplished by persons skilled in the art without departing from the spirit and technical spirit of the present utility model shall be covered by the appended claims.
Claims (5)
1. An injection molding internal thread demoulding mechanism which is characterized in that: the internal thread demoulding mechanism comprises a sliding block core-pulling assembly (1) and a thread core-pulling assembly (2), wherein:
The sliding block core-pulling assembly (1) consists of a sliding block core-pulling insert (11), a sliding block group (12), a push plate (13), an oil cylinder (14) and a sliding groove module (15), wherein the sliding block core-pulling insert (11) consists of a forming end (11 a) and a transmission rod (11 b), a mounting groove (12 a) is formed in the sliding block group (12), sliding rails (12 b) are arranged on two sides of the sliding block group (12), the sliding rails (12 b) are in sliding connection with the sliding groove module (15), the sliding groove module (15) is fixed on a template, the tail part of the transmission rod (11 b) is fixedly connected with the tail end of the mounting groove (12 a), the push plate (13) is connected with the rear end of the sliding block group (12), and the oil cylinders (14) are symmetrically arranged on templates on two sides of the sliding block group (12), and the output ends of the two oil cylinders (14) are respectively connected with two sides of the push plate (13).
The screw thread subassembly (2) is by screw thread mold insert (21), driving piece (22), axle sleeve (23), driven gear (24), driving gear (25) and motor (26) are constituteed, screw thread mold insert (21) cover is established in shaping end (11 a) periphery, screw thread mold insert (21) rear end is connected with driving piece (22), be equipped with through-hole (22 a) on driving piece (22), through-hole (22 a) and driving rod (11 b) periphery sliding connection, be equipped with mount pad (24 a) on driven gear (24), driving piece (22) pass mount pad (24 a) and are connected rather than the transmission, driving piece (22) terminal periphery is connected with axle sleeve (23), axle sleeve (23) are fixed in mounting groove (12 a), driven gear (24) and driving gear (25) meshing transmission, driving gear (25) are connected with motor (26) output, motor (26) are fixed in slider group (12) downside.
2. The injection molding internal thread demoulding mechanism as claimed in claim 1, wherein: the sliding block set (12) comprises a front end sliding block (121), a middle installation sliding block (122) and a rear end sliding block (123) which are sequentially connected, a motor installation hole (122 a) is formed in the lower end of the middle installation sliding block (122), and the motor (26) is fixed in the motor installation hole (122 a).
3. An injection molding internal thread demoulding mechanism as claimed in claim 2, wherein: push pedal (13) are connected through spacing subassembly (3) with slider group (12) rear end, spacing subassembly (3) are including pull rod (31) and double-end spacer pin (32), slotted hole (123 a) that are used for cooperation pull rod (31) are established at rear end slider (123) end, slotted hole (123 a) lateral wall is equipped with spacer pin mounting hole (123 b) that link to spout module (15), be equipped with on pull rod (31) first draw-in groove (31 a) that can with double-end spacer pin (32) tip joint, be equipped with second draw-in groove (15 a) that can with double-end spacer pin (32) tip joint in spout module (15), double-end spacer pin (32) set up in spacer pin mounting hole (123 b).
4. The injection molding internal thread demoulding mechanism as claimed in claim 1, wherein: a guide rod (4) is arranged between the push plate (13) and the template.
5. The injection molding internal thread demoulding mechanism as claimed in claim 1, wherein: the front end periphery of the transmission piece (22) is provided with a guide sleeve (27), the guide sleeve (27) can be arranged in the mounting groove (12 a) in a front-back sliding mode, a clamping interface (27 a) is arranged on the guide sleeve (27), a clamping piece (12 c) is arranged on the sliding block set (12), and the clamping piece (12 c) is connected with the clamping interface (27 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323276842.3U CN221392024U (en) | 2023-12-01 | 2023-12-01 | Injection molding internal thread demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323276842.3U CN221392024U (en) | 2023-12-01 | 2023-12-01 | Injection molding internal thread demoulding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221392024U true CN221392024U (en) | 2024-07-23 |
Family
ID=91935557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323276842.3U Active CN221392024U (en) | 2023-12-01 | 2023-12-01 | Injection molding internal thread demoulding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221392024U (en) |
-
2023
- 2023-12-01 CN CN202323276842.3U patent/CN221392024U/en active Active
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