CN221392040U - Mould for producing bent pipe - Google Patents
Mould for producing bent pipe Download PDFInfo
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- CN221392040U CN221392040U CN202323448366.9U CN202323448366U CN221392040U CN 221392040 U CN221392040 U CN 221392040U CN 202323448366 U CN202323448366 U CN 202323448366U CN 221392040 U CN221392040 U CN 221392040U
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- arc
- die holder
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- core
- guide rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011550 stock solution Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a die for producing bent pipes, which comprises a lower die holder, wherein the lower die holder is provided with a lower half die cavity; the upper die holder is provided with an upper half die cavity, the upper die holder is arranged on the lower die holder, the upper half die cavity and the lower half die cavity are arc surfaces, the upper die holder and the lower die holder form an elbow molding die cavity together after die assembly, and the upper die holder is provided with a pouring gate which is communicated with the upper half die cavity; the core-pulling forming assembly comprises a motor, an arc core bar and a transmission assembly, wherein the motor and the transmission assembly are fixed on the lower die holder, the output end of the motor is connected with the transmission assembly, the arc core bar is arranged on the transmission assembly, and the motor drives the transmission assembly to do arc movement so as to drive the arc core bar to be inserted into or pulled out of the bent pipe forming die cavity.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a mold for producing bent pipes.
Background
The plastic product is widely applied to our daily life, the plastic product is made by injection molding or blow molding, and the injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a processing method used in mass production of parts with complex shapes, and specifically refers to injecting a heated and melted material into a mold cavity under high pressure, and cooling and solidifying the material to obtain a formed product.
For tubular injection molding, an embedded core-pulling mold is adopted, a traditional embedded core-pulling mold generally adopts an oil cylinder core-pulling mechanism, a sliding block is connected to an oil cylinder part through an oil cylinder connecting piece, hydraulic energy is converted into mechanical energy, and linear reciprocating motion is carried out to realize core pulling. The core pulling mechanism is only suitable for some common products, and for some products, the appearance is special, for example, the curved bent pipe with an arc shape can not realize nondestructive demolding and blanking, and the bent pipe product is extremely easy to deform and even damage.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a mould for producing the bent pipe, which realizes injection molding of the bent pipe through the radian core-pulling insert and can improve the quality of products.
A mold for producing an elbow according to an embodiment of the present utility model includes:
The lower die holder is provided with a lower half die cavity;
The upper die holder is provided with an upper half die cavity, the upper die holder is arranged on the lower die holder, the upper half die cavity and the lower half die cavity are arc surfaces, the upper die holder and the lower die holder form an elbow molding die cavity together after die assembly, and the upper die holder is provided with a pouring gate which is communicated with the upper half die cavity;
The core-pulling forming assembly comprises a motor, an arc core bar and a transmission assembly, wherein the motor and the transmission assembly are fixed on the lower die holder, the output end of the motor is connected with the transmission assembly, the arc core bar is arranged on the transmission assembly, and the motor drives the transmission assembly to do arc movement so as to drive the arc core bar to be inserted into or pulled out of the bent pipe forming die cavity.
The mould for producing the bent pipe has at least the following beneficial effects: first, it should be noted that the present utility model is primarily intended for elbows having 90 ° corners. When the product is produced, the motor drives the rotating assembly to drive the arc core rod to be inserted into the bent pipe molding die cavity, then the stock solution is injected into the bent pipe molding die cavity from the pouring opening, and after the stock solution is solidified, the motor is started again, and the rotating assembly drives the arc core rod to be pulled out and demoulded from the product. The motor is used as a power source of core pulling of the arc core bar, is stable in output and is beneficial to ensuring the molding quality of products.
According to the mould for producing the bent pipe, the transmission assembly comprises the output gear, the transmission gear and the input rack, the output gear is arranged at the output end of the motor, the input rack is arranged in the cavity of the lower half mould, the input rack is in transmission connection with the output gear through the transmission gear, and the arc-shaped core bar is arranged on the input rack. The gear transmission is stable, and the molding quality of the product is ensured.
According to the mould for producing the bent pipe, the outer arc-shaped guide rod is arranged on the input rack, one side of the outer arc-shaped guide rod is adhered to and fixed with the inner wall of the lower half mould cavity, one side of the arc-shaped core rod is connected with the other side of the outer arc-shaped guide rod, and the outer arc-shaped guide rod plays a guiding role on the arc-shaped core rod when core pulling operation is carried out, so that the forming quality of a product is guaranteed.
According to the mould for producing the bent pipe, the lower half mould cavity is further provided with the inner arc-shaped guide rod, the inner arc-shaped guide rod and the outer arc-shaped guide rod are arranged in an opposite mode, the other side of the arc-shaped core rod is connected with one side, facing the outer arc-shaped guide rod, of the inner arc-shaped guide rod, and the inner arc-shaped guide rod and the outer arc-shaped guide rod jointly play a guiding role in core pulling operation of the arc-shaped core rod, so that the forming quality of a product is guaranteed.
According to the mould for producing the bent pipe, the arc-shaped core rod is provided with the sliding block, the bottom of the sliding block is fixedly connected with the input rack, one side of the sliding block is connected with the outer arc-shaped guide rod, and the other side of the sliding block is connected with the inner arc-shaped guide rod.
According to the mould for producing the bent pipe, the core-pulling forming assembly further comprises the bent pipe outlet cavity core rod and the air cylinder, wherein the air cylinder is fixed on the lower die holder, one end of the bent pipe outlet cavity core rod is connected with the air cylinder, and the other end of the bent pipe outlet cavity core rod can be inserted into or pulled out of the bent pipe forming die cavity under the driving of the air cylinder.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a transmission structure diagram of a lower die holder and a core-pulling molding assembly die for producing bent pipes according to an embodiment of the utility model;
FIG. 2 is a top view of a lower die holder and a core-pulling molding assembly die of a die for producing bent pipes according to an embodiment of the utility model;
FIG. 3 is an isometric view of a production elbow of an embodiment of the present utility model;
Fig. 4 is a product diagram of the present utility model patent.
Reference numerals illustrate:
a lower die holder 100;
An upper die holder 200; a sprue gate 210;
a motor 300;
An arc core bar 400; a slider 410;
A transmission assembly 500; an output gear 510; a transmission gear 520; an input rack 530;
an outer arc guide bar 600;
An inner arc guide bar 700;
The elbow outlet cavity core bar 800;
A cylinder 900;
product 1000.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the utility model, the meaning of a number is one or more, the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 4, an embodiment of the present utility model provides a mold for producing an elbow, including a lower mold base 100, the lower mold base 100 having a lower mold half cavity; the upper die holder 200 is provided with an upper half die cavity, the upper die holder 200 is arranged on the lower die holder 100, the upper half die cavity and the lower half die cavity are arc surfaces, the upper die holder 200 and the lower die holder 100 form an elbow molding die cavity together after being matched, the upper die holder 200 is provided with a pouring gate 210, and the pouring gate 210 is communicated with the upper half die cavity; the core-pulling forming assembly comprises a motor 300, an arc core bar 400 and a transmission assembly 500, wherein the motor 300 and the transmission assembly 500 are fixed on the lower die holder 100, the output end of the motor 300 is connected with the transmission assembly 500, the arc core bar 400 is arranged on the transmission assembly 500, and the motor 300 drives the transmission assembly 500 to perform arc movement so as to drive the arc core bar 400 to be inserted into or pulled out of a bent pipe forming die cavity. First, it should be noted that the present utility model is primarily intended for elbows having 90 ° corners. When the production of the product 1000 is started, the motor 300 drives the rotating assembly to drive the arc core rod 400 to be inserted into the bent pipe molding cavity, then the stock solution is injected into the bent pipe molding cavity from the pouring opening 210, and after the stock solution is solidified, the motor 300 is started again, and the rotating assembly drives the arc core rod 400 to be pulled out and demoulded from the product 1000. The motor 300 is used as a power source for core pulling of the arc core bar 400, is stable in output, and is beneficial to ensuring the molding quality of the product 1000.
According to some embodiments of the present application, the transmission assembly 500 includes an output gear 510, a transmission gear 520, and an input rack 530, the output gear 510 is mounted at an output end of the motor 300, the input rack 530 is mounted in a lower mold cavity half, the input rack 530 and the output gear 510 are in transmission connection through the transmission gear 520, and the arc-shaped core bar 400 is mounted on the input rack 530. The gear transmission is stable, and the molding quality of the product 1000 is ensured.
According to some embodiments of the present application, the outer arc guide bar 600 is disposed on the input rack 530, one side of the outer arc guide bar 600 is adhered to and fixed to the inner wall of the lower mold cavity half, one side of the arc core bar 400 is connected to the other side of the outer arc guide bar 600, and the outer arc guide bar 600 plays a guiding role on the arc core bar 400 when performing the core pulling operation, so as to help ensure the molding quality of the product 1000.
According to some embodiments of the present application, the lower mold cavity is further provided with an inner arc-shaped guide rod 700, the inner arc-shaped guide rod 700 is disposed opposite to the outer arc-shaped guide rod 600, the other side of the arc-shaped core rod 400 is connected with the side of the inner arc-shaped guide rod 700 facing the outer arc-shaped guide rod 600, and the inner arc-shaped guide rod 700 and the outer arc-shaped guide rod 600 together perform a guiding function on the arc-shaped core rod 400 when performing a core pulling operation, so as to help ensure the molding quality of the product 1000.
According to some embodiments of the present application, the arc core bar 400 is provided with a slider 410, the bottom of the slider 410 is fixedly connected with the input rack 530, one side of the slider 410 is connected with the outer arc guide bar 600, and the other side is connected with the inner arc guide bar 700.
According to some embodiments of the present application, the core-pulling forming assembly further includes an elbow outlet cavity core bar 800 and a cylinder 900, the cylinder 900 is fixed on the lower die holder 100, one end of the elbow outlet cavity core bar 800 is connected with the cylinder 900, and the other end of the elbow outlet cavity core bar 800 can be inserted into or extracted from the elbow forming die cavity under the driving of the cylinder 900.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A die for producing an elbow, comprising:
the lower die holder is provided with a lower half die cavity;
the upper die holder is provided with an upper half die cavity, the upper die holder is arranged on the lower die holder, the upper half die cavity and the lower half die cavity are arc surfaces, the upper die holder and the lower die holder form an elbow molding die cavity together after being matched, and the upper die holder is provided with a pouring gate which is communicated with the upper half die cavity;
The core-pulling forming assembly comprises a motor, an arc core bar and a transmission assembly, wherein the motor and the transmission assembly are fixed on the lower die holder, the output end of the motor is connected with the transmission assembly, the arc core bar is arranged on the transmission assembly, and the motor drives the transmission assembly to do arc movement so as to drive the arc core bar to be inserted into or pulled out of the bent pipe forming die cavity.
2. The die for producing bent pipes according to claim 1, wherein the transmission assembly comprises an output gear, a transmission gear and an input rack, the output gear is mounted at the output end of the motor, the input rack is mounted in the lower half die cavity, the input rack and the output gear are in transmission connection through the transmission gear, and the arc-shaped core rod is mounted on the input rack.
3. A mould for producing bent pipes according to claim 2, wherein an outer arc-shaped guide rod is arranged on the input rack, one side of the outer arc-shaped guide rod is adhered and fixed with the inner wall of the lower half mould cavity, and one side of the arc-shaped core rod is connected with the other side of the outer arc-shaped guide rod.
4. A mould for producing bent pipes according to claim 3, characterized in that the lower mould cavity is further provided with an inner arc-shaped guide rod, which is arranged opposite to the outer arc-shaped guide rod, and the other side of the arc-shaped core rod is connected to the side of the inner arc-shaped guide rod facing the outer arc-shaped guide rod.
5. The die for producing bent pipes according to claim 4, wherein the arc-shaped core rod is provided with a sliding block, the bottom of the sliding block is fixedly connected with the input rack, one side of the sliding block is connected with the outer arc-shaped guide rod, and the other side of the sliding block is connected with the inner arc-shaped guide rod.
6. The die for producing the bent pipe according to claim 1, wherein the core-pulling forming assembly further comprises a bent pipe outlet cavity core rod and a cylinder, the cylinder is fixed on the lower die holder, one end of the bent pipe outlet cavity core rod is connected with the cylinder, and the other end of the bent pipe outlet cavity core rod can be inserted into or pulled out of the bent pipe forming die cavity under the driving of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323448366.9U CN221392040U (en) | 2023-12-15 | 2023-12-15 | Mould for producing bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323448366.9U CN221392040U (en) | 2023-12-15 | 2023-12-15 | Mould for producing bent pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221392040U true CN221392040U (en) | 2024-07-23 |
Family
ID=91922502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323448366.9U Active CN221392040U (en) | 2023-12-15 | 2023-12-15 | Mould for producing bent pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221392040U (en) |
-
2023
- 2023-12-15 CN CN202323448366.9U patent/CN221392040U/en active Active
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