CN210100545U - Forming die for standard part - Google Patents
Forming die for standard part Download PDFInfo
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- CN210100545U CN210100545U CN201920637250.4U CN201920637250U CN210100545U CN 210100545 U CN210100545 U CN 210100545U CN 201920637250 U CN201920637250 U CN 201920637250U CN 210100545 U CN210100545 U CN 210100545U
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Abstract
The utility model discloses a forming die for standard component, including first injection molding board and second injection molding board, the lower fixed surface of first injection molding board installs first injection mould, the mouth of moulding plastics has all been seted up in first injection mould and the first injection molding board, the last fixed surface of second injection molding board installs the second injection mould fixed mounting has threaded workpiece shedder on first injection molding board and the second injection molding board, threaded workpiece shedder includes ejector pin, two threaded rods and two rack plates, ejector pin sliding connection is in the bottom of second injection mould, compression spring has been cup jointed to the bottom that the ejector pin pole wall passes the second injection molding board, two the threaded rod is threaded connection respectively in the both sides of second injection mould. The utility model discloses an above-mentioned isotructure's cooperation has realized carrying out the effect of high efficiency not damaged automatic drawing of patterns to the screw thread work piece of moulding plastics.
Description
Technical Field
The utility model relates to a forming die technical field specifically is a forming die for standard component.
Background
The forming die, also called a forming die, is a die which is manufactured according to the shape and the structure of a real object in proportion, and a material is formed into a tool with a certain shape by a pressing or pouring method. With the continuous development of molds in the production and processing of plastics, injection molding molds are often used for injection molding of plastic products. In the injection molding of plastic products, a plurality of plastic injection molding workpieces need to be injection molded into the plastic products with threaded holes, but the traditional molding dies are difficult to conveniently and effectively demold after injection molding, manual demolding is mostly adopted in the traditional demolding mode, and some automatic demolding devices can achieve the effect of automatic demolding, but easily damage the injection molded threaded holes and influence the quality of the injection molded workpieces. In summary, how to improve the existing forming mold to improve the difficulty in demolding the injection-molded threaded hole workpiece is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a forming die for standard component possesses the advantage of carrying out the automatic drawing of patterns of high efficiency not damaged to the screw injection molding work piece, has solved traditional injection mold and has moulded plastics into the problem that the work piece that has the screw hole is difficult to the drawing of patterns.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a forming die for standard component, includes first board and the second board of moulding plastics, the lower fixed surface of first board of moulding plastics installs first injection mould, the mouth of moulding plastics has all been seted up in first injection mould and the first board of moulding plastics, the last fixed surface of second board of moulding plastics installs the second injection mould fixed mounting has threaded work piece shedder on first board and the second board of moulding plastics.
The threaded workpiece demoulding device comprises an ejector rod, two threaded rods and two rack plates, the ejector rod is connected to the bottom of the second injection mould in a sliding manner, the wall of the mandril passes through the bottom of the second injection molding plate and is sleeved with a compression spring, the two threaded rods are respectively connected with the two sides of the second injection molding die in a threaded manner, the wall of the two threaded rods passes through the bottom of the second injection molding plate and is sleeved with a first helical gear, the first bevel gear is rotationally connected with the bottom of the second injection molding plate, the first bevel gear is connected with the second bevel gear in a meshing way, the inner wall of the second bevel gear is fixedly connected with a rotating shaft which is rotatably connected with the bottom of the second injection molding plate, the shaft wall of axis of rotation passes second injection molding board fixed connection drive gear, two the equal fixed connection of rack board is at the lower surface of first injection molding board, two drive gear is connected with the front meshing of two rack boards respectively.
Preferably, the two threaded rods are distributed in bilateral symmetry along the symmetry axis of the second injection molding plate.
Preferably, the cross sections of the bottoms of the two threaded rods are regular hexagons, and the inner walls of the two first bevel gears are matched with the rod wall of the bottom of the threaded rod.
Preferably, the bottom of the second injection molding plate is fixedly provided with two first bearings, and the two first bevel gears are fixedly connected to the inner walls of the two first bearings respectively.
Preferably, two second bearings are fixedly mounted on the inner side and the outer side of the bottom of the second injection molding plate, and the inner walls of the four second bearings are fixedly connected with the shaft walls of the two rotating shafts in a pairwise manner.
Preferably, the second injection molding plate is close to the equal fixedly connected with guide rods on both sides, the first injection molding plate is close to the lower surface on both sides and has all been seted up the guide way, and the guide rod is located the guide way.
Preferably, the injection mold is concave in shape.
Preferably, the bottom end of the ejector rod is fixedly connected with a baffle, and the upper surface of the baffle is fixedly connected with the bottom end of the compression spring.
Preferably, the two rack plates are symmetrically distributed on the lower surface of the first injection-molded plate.
Preferably, the second injection molding plate and the second injection mold are of an integrally molded structure.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a cross-section that sets up threaded rod bottom is regular hexagon, and the inner wall of two first helical gears and the pole wall looks adaptation of threaded rod bottom make first helical gear rotate and can drive threaded rod pivoted in, and the threaded rod can slide from top to bottom along first helical gear's inner wall.
Two, the utility model discloses a set up first bearing and second bearing, frictional resistance when reducing the device inner structure and rotating makes its convenient rotation more, and then realizes the purpose of energy-conservation and noise reduction.
Thirdly, the utility model is provided with the threaded workpiece demoulding device, after the injection molding is finished, the external hydraulic equipment drives the second injection molding plate to move downwards to drive the first injection molding mould and the second injection molding mould to separate, at the moment, the rack plates on the two sides and the transmission gear move relatively, thereby driving the rotating shaft to rotate through the meshing transmission effect, driving the threaded rod to rotate through the meshing transmission of the second helical gear and the first helical gear, through the threaded connection with the second injection mould, the screw rod slides downwards along the inner wall of the first bevel gear, therefore, the top of the threaded rod is disengaged from the threaded injection molding workpiece and is pulled out from the threaded hole formed by injection molding, the ejector rod and the ejector block fixed on the external supporting structure are mutually extruded at the moment, the threaded injection molding workpiece is ejected out of the second injection mold, and the effect of high-efficiency nondestructive automatic demolding on the threaded injection molding workpiece is realized.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
fig. 2 is the structure diagram of the threaded rod and the first helical gear of the present invention.
In the figure: 1-a first injection molding plate, 2-a second injection molding plate, 3-a first injection mold, 4-an injection molding port, 5-a second injection mold, 6-a threaded workpiece demoulding device, 7-an ejector rod, 8-a compression spring, 9-a threaded rod, 10-a first helical gear, 11-a second helical gear, 12-a rotating shaft, 13-a transmission gear, 14-a rack plate, 15-a first bearing, 16-a second bearing and 17-a threaded injection molding workpiece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a forming die for standard component, including first injection molding board 1 and second injection molding board 2, the equal fixedly connected with guide bar of second injection molding board 2 near both sides, the guide way has all been seted up to the lower surface that first injection molding board 1 is close to both sides, and the guide bar is located the guide way, the lower fixed surface of first injection molding board 1 installs first injection mould 3, all seted up mouth 4 of moulding plastics in first injection mould 3 and the first injection molding board 1, the last fixed surface of second injection molding board 2 installs second injection mould 5, second injection molding board 2 and second injection mould 5 are the integrated into one piece structure. The injection mould 5 is concave, the first injection moulding plate 1 and the second injection moulding plate 2 are fixedly provided with a threaded workpiece demoulding device 6, the lower surface of the second injection moulding plate 2 is fixedly connected with external hydraulic equipment, and a top block which is fixed on an external supporting structure and corresponds to the external supporting structure is arranged under the top rod 7.
The threaded workpiece demoulding device 6 comprises an ejector rod 7, two threaded rods 9 and two rack plates 14, wherein the ejector rod 7 is connected to the bottom of a second injection mould 5 in a sliding manner, the rod wall of the ejector rod 7 penetrates through the bottom of the second injection mould 2 and is sleeved with a compression spring 8, the bottom end of the ejector rod 7 is fixedly connected with a baffle, the upper surface of the baffle is fixedly connected with the bottom end of the compression spring 8, the two threaded rods 9 are respectively connected to two sides of the second injection mould 5 in a threaded manner, the two threaded rods 9 are symmetrically distributed along the symmetry axis of the second injection mould 2 in a left-right manner, the rod walls of the two threaded rods 9 penetrate through the bottom of the second injection mould 2 and are sleeved with first helical gears 10, the cross sections of the bottoms of the two threaded rods 9 are regular hexagons, the inner walls of the two first helical gears 10 are matched with the rod wall of the bottom of the threaded rod 9, so that, the first bevel gear 10 is rotatably connected to the bottom of the second injection molding plate 2, two first bearings 15 are fixedly installed at the bottom of the second injection molding plate 2, the two first bevel gears 10 are respectively and fixedly connected to the inner walls of the two first bearings 15, the first bevel gear 10 is in meshed connection with the second bevel gear 11, the inner wall of the second bevel gear 11 is fixedly connected with a rotating shaft 12, the rotating shaft 12 is rotatably connected to the bottom of the second injection molding plate 2, two second bearings 16 are fixedly installed at the inner side and the outer side of the bottom of the second injection molding plate 2, the inner walls of the four second bearings 16 are respectively and pairwise fixedly connected with the shaft walls of the two rotating shafts 12, through the arrangement of the first bearings 15 and the second bearings 16, the friction resistance during rotation of the internal structure of the device is reduced, the internal structure is more convenient to rotate, the purposes of energy conservation and noise reduction are further realized, the shaft wall of, two rack plates 14 are fixedly connected to the lower surface of the first injection molding plate 1, the two rack plates 14 are symmetrically distributed on the lower surface of the first injection molding plate 1, and the two transmission gears 13 are respectively meshed with the front surfaces of the two rack plates 14.
The working principle is as follows: when the forming die for the standard part is used, after injection molding is finished, external hydraulic equipment drives the second injection molding plate 2 to move downwards to drive the first injection molding die 3 to be separated from the second injection molding die 5, at the moment, the rack plates 14 on two sides and the transmission gear 13 move relatively, thereby driving the rotating shaft 12 to rotate through the meshing transmission effect, the rotating shaft 12 drives the threaded rod 9 to rotate through the meshing transmission of the second bevel gear 11 and the first bevel gear 10, by the screw-thread connection with the second injection mould 5, slides downwards along the inner wall of the first bevel gear 10, therefore, the top of the threaded rod 9 is disengaged from the threaded injection molding workpiece 17 and is pulled out of the threaded hole formed by injection molding, the ejector rod 7 and an ejector block fixed on an external supporting structure are mutually extruded at the moment, the threaded injection molding workpiece 17 is ejected out of the second injection mold 5, and the effect of high-efficiency nondestructive automatic demolding on the threaded injection molding workpiece 17 is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A forming die for standard parts, comprising a first injection moulding plate (1) and a second injection moulding plate (2), characterized in that: a first injection mold (3) is fixedly mounted on the lower surface of the first injection molding plate (1), injection molding ports (4) are formed in the first injection mold (3) and the first injection molding plate (1), a second injection mold (5) is fixedly mounted on the upper surface of the second injection molding plate (2), and threaded workpiece demolding devices (6) are fixedly mounted on the first injection molding plate (1) and the second injection molding plate (2);
the threaded workpiece demoulding device (6) comprises an ejector rod (7), two threaded rods (9) and two rack plates (14), wherein the ejector rod (7) is slidably connected to the bottom of a second injection mould (5), a compression spring (8) is sleeved at the bottom of the ejector rod (7) through a rod wall of the second injection mould (2), the two threaded rods (9) are respectively in threaded connection with two sides of the second injection mould (5), a first helical gear (10) is sleeved at the bottom of the two threaded rods (9) through the rod wall of the second injection mould (2), the first helical gear (10) is rotatably connected to the bottom of the second injection mould (2), the first helical gear (10) is in meshed connection with a second helical gear (11), a rotating shaft (12) is fixedly connected to the inner wall of the second helical gear (11), and the rotating shaft (12) is rotatably connected to the bottom of the second injection mould (2), the shaft wall of axis of rotation (12) passes second injection molding board (2) fixed connection drive gear (13), two equal fixed connection of rack plate (14) is at the lower surface of first injection molding board (1), two drive gear (13) are connected with the front meshing of two rack plates (14) respectively.
2. A forming die for a standard according to claim 1, wherein: the two threaded rods (9) are distributed along the symmetry axis of the second injection molding plate (2) in a bilateral symmetry manner.
3. A forming die for a standard according to claim 1, wherein: the cross section of the bottom of each of the two threaded rods (9) is a regular hexagon, and the inner walls of the two first bevel gears (10) are matched with the rod wall of the bottom of each of the two threaded rods (9).
4. A forming die for a standard according to claim 1, wherein: the bottom of the second injection molding plate (2) is fixedly provided with two first bearings (15), and the two first bevel gears (10) are fixedly connected to the inner walls of the two first bearings (15) respectively.
5. A forming die for a standard according to claim 1, wherein: the inner side and the outer side of the bottom of the second injection molding plate (2) are fixedly provided with two second bearings (16), and the inner walls of the second bearings (16) are fixedly connected with the shaft walls of the two rotating shafts (12) respectively.
6. A forming die for a standard according to claim 1, wherein: the equal fixedly connected with guide bar that second board (2) of moulding plastics are close to both sides, the guide way has all been seted up to the lower surface that first board (1) of moulding plastics is close to both sides, and the guide bar is located the guide way.
7. A forming die for a standard according to claim 1, wherein: the injection mould (5) is concave.
8. A forming die for a standard according to claim 1, wherein: the bottom end of the ejector rod (7) is fixedly connected with a baffle, and the upper surface of the baffle is fixedly connected with the bottom end of the compression spring (8).
9. A forming die for a standard according to claim 1, wherein: the two rack plates (14) are symmetrically distributed on the lower surface of the first injection molding plate (1).
10. A forming die for a standard according to claim 1, wherein: the second injection molding plate (2) and the second injection mold (5) are of an integrally molded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637250.4U CN210100545U (en) | 2019-05-06 | 2019-05-06 | Forming die for standard part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637250.4U CN210100545U (en) | 2019-05-06 | 2019-05-06 | Forming die for standard part |
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| Publication Number | Publication Date |
|---|---|
| CN210100545U true CN210100545U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920637250.4U Active CN210100545U (en) | 2019-05-06 | 2019-05-06 | Forming die for standard part |
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| Country | Link |
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| CN (1) | CN210100545U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906279A (en) * | 2020-08-10 | 2020-11-10 | 马鞍山市兴隆铸造有限公司 | Casting equipment capable of continuously working |
| CN112140474A (en) * | 2020-09-10 | 2020-12-29 | 吴保林 | Injection mold is used in working of plastics production |
| CN112454831A (en) * | 2020-10-30 | 2021-03-09 | 刘前文 | Synchronous ejector pin mechanism of injection mold |
| CN116237439A (en) * | 2022-12-15 | 2023-06-09 | 南京雨硕机械有限公司 | Goods shelves support piece compacting equipment |
-
2019
- 2019-05-06 CN CN201920637250.4U patent/CN210100545U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906279A (en) * | 2020-08-10 | 2020-11-10 | 马鞍山市兴隆铸造有限公司 | Casting equipment capable of continuously working |
| CN111906279B (en) * | 2020-08-10 | 2022-02-18 | 马鞍山市兴隆铸造有限公司 | Casting equipment capable of continuously working |
| CN112140474A (en) * | 2020-09-10 | 2020-12-29 | 吴保林 | Injection mold is used in working of plastics production |
| CN112454831A (en) * | 2020-10-30 | 2021-03-09 | 刘前文 | Synchronous ejector pin mechanism of injection mold |
| CN116237439A (en) * | 2022-12-15 | 2023-06-09 | 南京雨硕机械有限公司 | Goods shelves support piece compacting equipment |
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