CN218429775U - Die for external oblique tooth belt multi-head internal tooth product - Google Patents
Die for external oblique tooth belt multi-head internal tooth product Download PDFInfo
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- CN218429775U CN218429775U CN202222327058.XU CN202222327058U CN218429775U CN 218429775 U CN218429775 U CN 218429775U CN 202222327058 U CN202222327058 U CN 202222327058U CN 218429775 U CN218429775 U CN 218429775U
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Abstract
The utility model provides a mould of tooth product in outer oblique braces bull, include: the mould comprises a first glue position insert, a second glue position insert, a front mould rotating shaft core assembly, a rear mould core pulling assembly and an ejection assembly; the front mould rotating shaft core assembly is arranged between the first glue position insert and the second glue position insert, and an injection molding cavity is formed among the first glue position insert, the second glue position insert and the front mould rotating shaft core assembly; the rear die core-pulling assembly comprises a gear core-pulling assembly, a push plate core-pulling assembly and a driving assembly, and the driving assembly drives the gear core-pulling assembly and the push plate core-pulling assembly to move; the gear core pulling assembly is connected with the thread insert, the gear core pulling assembly drives the thread insert to rotate, the thread insert is located in the injection molding cavity, and threads are arranged on the outer side wall of the thread insert; the ejection component is arranged on the push plate core-pulling component. The utility model relates to a rationally, compact structure realizes loosing core of outer oblique tooth and internal thread product effectively.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically, relate to a mould of tooth product in outer oblique braces bull.
Background
In recent years, with the rapid development of automobile products, new energy electric vehicles also become the most important vehicle models for popularization, people have higher and higher requirements on the automation performance of automobiles, and then plastic type products commonly used in the automobiles are frequently designed and innovated, and an inclined external gear and a multi-head internal tooth plastic type product mold also become one of necessary products with high requirements on the automation performance. The existing multi-head internal tooth product mold has the phenomenon of thin pointed iron during design, and the defects of gumminess and product scratching are easily caused during teething.
Patent document CN206406392U discloses an internal tooth mold structure, which comprises a mold main body, wherein the mold main body is provided with a mold base, one side outside the mold base is provided with a motor device, a first gear is mounted on the motor, a chain is arranged on the first gear, the chain passes through the mold base and is connected with a rotating shaft, a second gear is arranged on the rotating shaft, two sides of the rotating shaft are respectively provided with an internal tooth row, a tooth core rotating shaft is mounted on the internal tooth row, the upper end of the tooth core rotating shaft is arranged as a row position, the lower end of the tooth core rotating shaft is provided with a stroke point, and a mold opening stroke switch and a mold closing stroke switch are arranged on the stroke point. However, this patent document is different from the technical means of the present application.
SUMMERY OF THE UTILITY MODEL
To the defects in the prior art, the utility model aims at providing a die for an outer oblique tooth belt multi-head inner tooth product.
According to the utility model provides a pair of mould of tooth product in outer oblique braces bull, include: the mold comprises a first glue position insert, a second glue position insert, a front mold rotating shaft core assembly, a rear mold core-pulling assembly and an ejection assembly;
the front mould rotating shaft core assembly is arranged between the first glue position insert and the second glue position insert, and an injection molding cavity is formed among the first glue position insert, the second glue position insert and the front mould rotating shaft core assembly;
the rear die core-pulling assembly comprises a gear core-pulling assembly, a push plate core-pulling assembly and a driving assembly, and the driving assembly drives the gear core-pulling assembly and the push plate core-pulling assembly to move;
the gear core pulling assembly is connected with a thread insert, the gear core pulling assembly drives the thread insert to rotate, the thread insert is located in the injection molding cavity, and threads are arranged on the outer side wall of the thread insert;
the ejection assembly is arranged on the push plate core-pulling assembly, the push plate core-pulling assembly drives the ejection assembly to lift, and the ejection assembly is used for abutting against an ejected injection molding workpiece.
Preferably, the gear core pulling assembly comprises a gear insert and a rack;
the gear insert is meshed with the rack, and the driving assembly drives the rack to move; the gear insert and the thread insert are connected, and the gear insert and the thread insert rotate synchronously.
Preferably, the gear core-pulling assembly further comprises a cushion block;
the gear insert is arranged on the two sides of the gear insert, and the gear insert is abutted to the cushion blocks.
Preferably, the push plate core-pulling assembly comprises a pushing block, a pulley and a push plate;
the pulley is rotatably arranged on the push plate, the pushing block is provided with an abutting inclined surface, and the pulley is rotatably abutted against the abutting inclined surface;
the driving assembly drives the pushing block to move, and the pushing block drives the push plate to lift through the pulley; the ejection assembly is arranged on the push plate.
Preferably, the ejection assembly comprises an ejection block, an ejector rod and an ejector rod driving piece;
the ejector rod driving piece is arranged on the push plate, one end of the ejector rod is connected and arranged on the ejector rod driving piece, the other end of the ejector rod is connected and arranged on the ejector block, and the ejector block is used for abutting against an ejected injection molding workpiece.
Preferably, the driving assembly comprises a driving oil cylinder, a fixed block and a sliding plate;
the driving oil cylinder is arranged on the fixed block, and the sliding plate is arranged at the driving end of the driving oil cylinder; the gear core-pulling assembly and the push plate core-pulling assembly are connected with the sliding plate.
Preferably, the driving assembly further comprises a positioning column;
the positioning column is fixedly arranged on the fixed block, penetrates through the sliding plate and is arranged in a sliding mode relative to the sliding plate.
Preferably, the front mold rotating shaft core assembly comprises a rotating shaft core, a first fixing piece, a second fixing piece and a ball;
the rotating shaft core is arranged in the first fixed piece, and the ball is arranged between the rotating shaft core and the first fixed piece;
the second fixing piece is arranged on the first fixing piece, and the first fixing piece and the second fixing piece are used for limiting and fixing the rotating shaft core;
the first fixing part and the second fixing part are clamped between the first glue position insert and the second glue position insert.
Preferably, a positioning insert is arranged on the first glue position insert and is abutted against the thread insert, and the positioning insert is used for limiting and fixing the thread insert.
Preferably, a water passing insert is arranged on the first glue position insert.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the front mould rotating shaft core assembly of the utility model adopts the assembly mode of the ball and the fixing piece, so that the resistance of the rotating shaft core in the rotating process is more effectively reduced;
2. the utility model adopts the oil cylinder to drive the rack to drive the gear to rotate the insert, so that the moving structure is more stable and adjustable;
3. the utility model adopts the ejection block to eject, thereby effectively avoiding the phenomenon that the thimble cannot be placed when the product is too small, and in addition, the appearance surface can be more beautiful by adopting the ejection block to eject;
4. the utility model discloses a back mould thread uses split style, and processing is convenient and the maintenance is easy.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of an injection molded workpiece;
FIG. 2 is an internal structure view of the mold for the product with external oblique teeth and multi-head internal teeth of the present invention, which highlights the rotating shaft core assembly of the front mold;
FIG. 3 is a structural view of the mold for the product with external oblique teeth and multi-head internal teeth of the present invention;
fig. 4 is a schematic structural view of the front mold rotating shaft assembly of the present invention;
fig. 5 is a schematic structural view of the rear mold cylinder driving rack driving gear to rotate the insert of the present invention;
fig. 6 is a split type schematic view of the ejecting structure of the ejector block and the rear mold thread of the present invention.
The figures show that:
Rotating shaft core 2 cushion block 13
First fixing part 3 pulley 14
Rinsing insert 6 push plate 17
First gluey position mold insert 7 drive cylinder 18
Positioning insert 8 positioning column 19
Sliding plate 20 of pushing block 9
Screw thread insert 10 fixed block 21
Second glue position insert 11
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 6, the present embodiment provides a mold for an external-oblique multi-headed internal tooth product, comprising: the injection molding machine comprises a first glue position insert 7, a second glue position insert 11, a front mold rotating shaft core assembly, a rear mold core pulling assembly and an ejection assembly, wherein the front mold rotating shaft core assembly is arranged between the first glue position insert 7 and the second glue position insert 11, the first glue position insert 7, an injection molding cavity is formed between the second glue position insert 11 and the front mold rotating shaft core assembly, the rear mold core pulling assembly comprises a gear core pulling assembly, a push plate core pulling assembly and a driving assembly, the driving assembly drives the gear core pulling assembly to move, the gear core pulling assembly is connected with a screw thread insert 10, the gear core pulling assembly drives the screw thread insert 10 to rotate, the screw thread insert 10 is located in the injection molding cavity, threads are arranged on the outer side wall of the screw thread insert 10, the ejection assembly is arranged on the push plate core pulling assembly, the push plate core pulling assembly drives the ejection assembly to lift, and the ejection assembly is used for abutting against the ejection injection molding workpiece 1.
The front mold rotating shaft core assembly comprises a rotating shaft core 2, a first fixing piece 3, a second fixing piece 5 and a ball 4, wherein the rotating shaft core 2 is installed in the first fixing piece 3, the ball 4 is arranged between the rotating shaft core 2 and the first fixing piece 3, the second fixing piece 5 is arranged on the first fixing piece 3, the first fixing piece 3 and the second fixing piece 5 are used for limiting and fixing the rotating shaft core 2, and the first fixing piece 3 and the second fixing piece 5 are clamped between a first glue position insert 7 and a second glue position insert 11.
The first glue position insert 7 is provided with a positioning insert 8, the positioning insert 8 is abutted against the thread insert 10, and the positioning insert 8 is used for limiting and fixing the thread insert 10. The first glue position insert 7 is provided with a water passing insert 6. The insert is commonly referred to as a front mold insert on the front mold side and a back mold as a back mold insert. The water passing insert 6 and the first glue position insert 7 are in an assembly relation, namely the water passing insert is arranged on the glue position insert and has a cooling effect.
The push plate core pulling assembly comprises a pushing block 15, a pulley 14 and a push plate 17, wherein the pulley 14 is rotatably arranged on the push plate 17, the pushing block 15 is provided with a butt inclined surface, the pulley 14 is rotatably abutted on the butt inclined surface, the driving assembly drives the pushing block 15 to move, the pushing block 15 drives the push plate 17 to lift through the pulley 14, and the ejection assembly is arranged on the push plate 17.
The driving assembly comprises a driving oil cylinder 18, a fixed block 21 and a sliding plate 20, the driving oil cylinder 18 is arranged on the fixed block 21, the sliding plate 20 is arranged at the driving end of the driving oil cylinder 18, and the gear core pulling assembly and the push plate core pulling assembly are connected with the sliding plate 20. The driving assembly further comprises a positioning column 19, the positioning column 19 is fixedly arranged on the fixed block 21, the positioning column 19 penetrates through the sliding plate 20, and the positioning column 19 and the sliding plate 20 are arranged in a relatively sliding mode. The positioning post 19 is used to slide the sliding plate 20 on its guide rail, and has one end fixed on the pad and the other end fixed on the fixing block 21.
The ejection assembly comprises an ejector block 9, an ejector rod and an ejector rod driving piece, the ejector rod driving piece is arranged on the push plate 17, one end of the ejector rod is connected and arranged on the ejector rod driving piece, the other end of the ejector rod is connected and arranged on the ejector block 9, and the ejector block 9 is used for abutting against an ejected injection molding workpiece 1.
The gear core-pulling assembly comprises a gear insert 12 and a rack 16, the gear insert 12 is meshed with the rack 16, the driving assembly drives the rack 16 to move, the gear insert 12 is connected with the thread insert 10, and the gear insert 12 and the thread insert 10 rotate synchronously. The gear core pulling assembly further comprises two cushion blocks 13, the two cushion blocks 13 are arranged on two sides of the gear insert 12 respectively, the gear insert 12 is abutted to the cushion blocks 13, and the cushion blocks 13 are convenient to replace after being worn and damaged by the cushion blocks 13.
The working principle is as follows: the rotary shaft core 2 is arranged on the front mold side, the mold is opened after injection molding is finished, because a product is fixed on the rear mold side, when the mold is opened, the rotary shaft core 2 can rotate to discharge an outer oblique tooth in a rotating mode, when the mold is in a complete mold opening state, the oil cylinder drives the sliding plate 20 to move leftwards, the sliding plate 20 is provided with the rack 16 and the pushing block 15, namely the two workpieces move leftwards simultaneously, the rack 16 can drive the gear insert 12 to do rotating motion, the pushing block 15 can drive the push plate 17 to do upward motion, one is in-situ rotation, the other is in upward motion, and the two are acted simultaneously, so that the multi-head inner tooth is separated from the product, and after the inner tooth is demolded, the push block 9 pushes the product out of the mold core under the push rod of the injection molding machine.
Example 2:
those skilled in the art will understand this embodiment as a more specific description of embodiment 1.
The embodiment provides a mould of outer oblique tooth area bull internal teeth product, includes: the first die opening is carried out on the front die rotating insert group, and the second die opening is carried out on the rear die placing rotating insert group; the front mold part assembly comprises a straight insert, a rotary insert and a high-precision ball connecting piece; the rear module assembly comprises a straight insert, a rotary insert, a gear rack bearing assembly and a push block roller assembly; the high-precision ball is arranged at the bottom of the front-die rotary insert, so that the rotary insert can be guaranteed to smoothly rotate in the front-die straight insert; the gear rack is arranged at the rear mould part, the oil cylinder is used for pushing the rack, and the rack is used for driving the gear to be connected with the rear mould rotary insert to rotate (the bottom of the rotary insert is provided with a pressure bearing), so that the rotary insert can be smoothly rotated and demoulded; the roller is fixedly connected with the product ejection push plate, the push block and the rack move synchronously, and the roller is pushed to drive the product ejection push plate to move together, so that the smooth demolding structure after product molding is ensured.
According to the die for the product with the multiple heads and the external oblique teeth, the withdrawing structure of the screw teeth comprises a front die rotating shaft core assembly, a rear die screw tooth gear loose core assembly and a push plate ejection structure.
The glue feeding mode of the product is that the product is fed with glue in a three-point glue feeding mode more selectively, the roundness of the product can be effectively ensured due to the three-point glue feeding mode, and the three-point glue feeding mode and the corresponding circle centers form an included angle of 120 degrees, as shown in figure 1.
And (5) demolding the external oblique teeth. The front mold rotating shaft core structure mainly comprises a rotating shaft core 2, a first fixing piece 3, a second fixing piece 5 and a ball 4. The outer oblique tooth demoulding process is that in the mould opening process, the outer oblique tooth of a product drives the rotating shaft core 2 to rotate in a positioning way so as to demould the outer oblique tooth. The rotating shaft core 2 is arranged in the first fixing piece 3, the ball 4 is arranged in the gap between the rotating shaft core 2 and the first fixing piece 3, and the ball 4 is used for driving the rotating shaft core 2 to rotate, so that the rotating shaft core 2 can rotate more effectively under the action of external force to demold the outer oblique teeth.
The multi-head internal tooth demoulding structure adopts a driving oil cylinder 18 to drive a rack 16 and a pushing block 17 to move so as to separate the screw tooth insert 10 and the gear insert 12 from a product.
The product is ejected by adopting an ejecting block.
The working principle is as follows: the plastic product of tooth in the bull is taken to oblique tooth adopts three-plate mould point runner's mode to advance gluey more, and at the die sinking in-process, the gluey position of product is on rotatory axle core 2, and when the die sinking, rotatory axle core 2 can make its rotation because of the pulling force of product to make the oblique tooth drawing of patterns on the rotatory axle core 2. After the front and rear molds are completely opened, the driving oil cylinder 18 drives the sliding plate 20 to move leftwards, and the rack 16 and the pushing block 15 do corresponding movement because the rack 16 and the pushing block 15 are fixed on the sliding plate 20. When the rack 16 moves to the left, the rack drives the gear to make the gear insert 12 perform a rotary motion, and the pushing block 15 also moves to the left, the pulley 14 is fixed on the pushing plate 17, and when the pushing block 15 moves to the left, the pulley 14 is in contact with the pushing block 15, so that the pushing plate 17 moves upwards. The multi-head internal teeth are demoulded under the simultaneous action of the rack 16 and the pushing block 15. And after the inner teeth are demoulded, the ejector block 9 ejects the product out of the mold core under the pushing of the ejector rod of the injection molding machine. And after the part is taken, the die opening process is finished. In the mold closing process, the oil cylinder drives the sliding plate 20 to move rightwards to the right, and then mold closing is carried out, so that the mold closing process is finished.
The utility model relates to a rationally, compact structure realizes effectively loosing core of outer oblique tooth and internal thread product.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A mold for an external oblique dental tape multi-head internal dental product, comprising: the mould comprises a first glue position insert (7), a second glue position insert (11), a front mould rotating shaft core assembly, a rear mould core pulling assembly and an ejection assembly;
the front mould rotating core assembly is arranged between the first glue position insert (7) and the second glue position insert (11), and an injection molding cavity is formed among the first glue position insert (7), the second glue position insert (11) and the front mould rotating core assembly;
the rear die core-pulling assembly comprises a gear core-pulling assembly, a push plate core-pulling assembly and a driving assembly, and the driving assembly drives the gear core-pulling assembly and the push plate core-pulling assembly to move;
the gear core pulling assembly is connected with a thread insert (10), the gear core pulling assembly drives the thread insert (10) to rotate, the thread insert (10) is located in the injection molding cavity, and threads are arranged on the outer side wall of the thread insert (10);
the ejection assembly is arranged on the push plate core pulling assembly, the push plate core pulling assembly drives the ejection assembly to lift, and the ejection assembly is used for abutting against an ejection injection molding workpiece (1).
2. The die for external helical multi-start internal tooth products according to claim 1, wherein the gear core-pulling assembly comprises a gear insert (12) and a rack (16);
the gear insert (12) is meshed with the rack (16), and the driving assembly drives the rack (16) to move; the gear insert (12) and the thread insert (10) are connected, and the gear insert (12) and the thread insert (10) rotate synchronously.
3. The mold for an external helical multi-start internal tooth product according to claim 2, wherein the gear core pulling assembly further comprises a cushion block (13);
cushion (13) set up to two, two cushion (13) set up respectively gear insert (12)'s both sides, gear insert (12) with cushion (13) butt sets up.
4. The die for the product with multiple inner teeth and outer oblique teeth of claim 1, wherein the push plate core-pulling assembly comprises a pushing block (15), a pulley (14) and a push plate (17);
the pulley (14) is rotatably arranged on the push plate (17), the pushing block (15) is provided with an abutting inclined surface, and the pulley (14) is rotatably abutted against the abutting inclined surface;
the driving assembly drives the pushing block (15) to move, and the pushing block (15) drives the pushing plate (17) to lift through the pulley (14); the ejection assembly is arranged on the push plate (17).
5. The mold for the product with multiple inner teeth and outer oblique teeth according to claim 4, wherein the ejection assembly comprises an ejector block (9), an ejector rod and an ejector rod driving piece;
the ejector rod driving piece is arranged on the push plate (17), one end of the ejector rod is connected and arranged on the ejector rod driving piece, the other end of the ejector rod is connected and arranged on the ejector block (9), and the ejector block (9) is used for abutting against an ejected injection molding workpiece (1).
6. The mold for an external-oblique-teeth-belt multi-head internal-teeth product according to claim 1, wherein the driving assembly comprises a driving cylinder (18), a fixed block (21) and a sliding plate (20);
the driving oil cylinder (18) is arranged on the fixed block (21), and the sliding plate (20) is arranged at the driving end of the driving oil cylinder (18); the gear core-pulling assembly and the push plate core-pulling assembly are connected with the sliding plate (20).
7. The mold for multi-headed products with external oblique teeth according to claim 6, wherein said driving assembly further comprises positioning posts (19);
the positioning column (19) is fixedly arranged on the fixed block (21), the positioning column (19) penetrates through the sliding plate (20), and the positioning column (19) and the sliding plate (20) are arranged in a relatively sliding mode.
8. The die for the external-oblique multi-headed internal-tooth product according to claim 1, wherein the front-die rotating-spindle assembly comprises a rotating spindle (2), a first fixing member (3), a second fixing member (5) and balls (4);
the rotating shaft core (2) is arranged in the first fixed part (3), and the ball (4) is arranged between the rotating shaft core (2) and the first fixed part (3);
the second fixing piece (5) is arranged on the first fixing piece (3), and the first fixing piece (3) and the second fixing piece (5) are used for limiting and fixing the rotating shaft core (2);
the first fixing part (3) and the second fixing part (5) are clamped between the first glue position insert (7) and the second glue position insert (11).
9. The die for the product with the external inclined teeth and the multi-head internal teeth according to claim 1, wherein a positioning insert (8) is arranged on the first glue position insert (7), the positioning insert (8) is abutted against the screw tooth insert (10), and the positioning insert (8) is used for limiting and fixing the screw tooth insert (10).
10. The die for the external-oblique-teeth multi-head internal-teeth product according to claim 1, wherein the first glue site insert (7) is provided with a water passing insert (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222327058.XU CN218429775U (en) | 2022-09-01 | 2022-09-01 | Die for external oblique tooth belt multi-head internal tooth product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222327058.XU CN218429775U (en) | 2022-09-01 | 2022-09-01 | Die for external oblique tooth belt multi-head internal tooth product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218429775U true CN218429775U (en) | 2023-02-03 |
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ID=85103131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222327058.XU Active CN218429775U (en) | 2022-09-01 | 2022-09-01 | Die for external oblique tooth belt multi-head internal tooth product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218429775U (en) |
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2022
- 2022-09-01 CN CN202222327058.XU patent/CN218429775U/en active Active
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