CN216068343U - Compression molding machine suitable for polytetrafluoroethylene and provided with reverse-order pneumatic transmission device - Google Patents
Compression molding machine suitable for polytetrafluoroethylene and provided with reverse-order pneumatic transmission device Download PDFInfo
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- CN216068343U CN216068343U CN202122232168.3U CN202122232168U CN216068343U CN 216068343 U CN216068343 U CN 216068343U CN 202122232168 U CN202122232168 U CN 202122232168U CN 216068343 U CN216068343 U CN 216068343U
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Abstract
The utility model relates to a compression molding machine with a reverse pneumatic transmission device suitable for polytetrafluoroethylene, which comprises: the workbench is provided with a guide post, an upper bearing plate and a lower bearing plate, and the lower bearing plate is sleeved on the guide post; an upper die; the lower die is vertically opposite to the upper die; a gas source; the negative sequence pneumatic transmission device is used for driving the lower die to move towards the upper die so as to enable the lower die and the upper die to be mutually matched; and the controller is used for controlling the action of the reverse-sequence pneumatic transmission device. The utility model has the following advantages and effects: compare traditional oil pressure transmission and the pneumatic drive compression molding machine of positive preface, this kind of compression molding machine with pneumatic transmission of negative preface can make the pressure during mould pressing more stable, and the application of force is more even to can reduce the defective percentage that the fracture deformation of polytetrafluoroethylene moulded product leads to effectively, improve the production efficiency of polytetrafluoroethylene moulded product.
Description
Technical Field
The utility model relates to the technical field of plastic processing, in particular to a compression molding machine which is suitable for polytetrafluoroethylene and provided with a reverse pneumatic transmission device.
Background
Compression molding, also known as compression molding or compression molding, is an operation in which a powdery, granular or fibrous plastic is first placed in a mold cavity at a molding temperature, and then the mold is closed and pressurized to mold and solidify the plastic. Compression moulding can be used for both thermoset plastics, thermoplastics and rubber materials.
The current compression molding machine generally is cylinder drive's compression molding machine and the compression molding machine of positive preface pneumatic drive (from last mould to lower mould), nevertheless extrude through traditional cylinder drive or positive preface pneumatic drive's last lower platform of compression molding machine, make the mould on the last lower platform can compound die each other and carry out extrusion to polytetrafluoroethylene, but these two kinds of traditional drive methods, lead to transmission pressure unstability easily in proper order, thereby make and exert pressure unstability when carrying out extrusion to polytetrafluoroethylene through the mould, and then influence final shaping quality.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a compression molding machine which is suitable for polytetrafluoroethylene and provided with a reverse pneumatic transmission device, so that the pressure during compression molding is more stable, and the force application is more uniform.
In order to achieve the purpose, the utility model provides the following technical scheme: a compression molding machine with reversed order pneumatic drive suitable for polytetrafluoroethylene comprising:
the workbench is provided with a guide post, an upper bearing plate and a lower bearing plate, one end of the guide post is fixed on the workbench, the other end of the guide post is fixedly connected with the upper bearing plate, and the lower bearing plate is sleeved on the guide post;
the upper die is fixed on one side of the upper bearing plate facing the lower bearing plate;
the lower die is used for fixing one side, facing the upper bearing plate, of the lower bearing plate, and the lower die is vertically opposite to the upper die;
a gas source;
the negative sequence pneumatic transmission device is used for driving the lower die to move towards the upper die so that the lower die and the upper die are matched with each other;
and the controller is used for controlling the action of the reverse-sequence pneumatic transmission device.
The utility model is further configured to: the reverse order pneumatic transmission device comprises:
the air cylinder is fixed on the workbench, and the output end of the air cylinder is fixedly connected with the lower bearing plate;
the electromagnetic valve is installed on the workbench, one end of the electromagnetic valve is connected with the air cylinder, the other end of the electromagnetic valve is connected with the controller, and the electromagnetic valve is powered by an air source.
The utility model is further configured to: still include the choke valve, the choke valve connect in between cylinder and the solenoid valve, the choke valve is used for adjusting the output dynamics of cylinder.
The utility model is further configured to: the cylinder is characterized by further comprising a first photoelectric sensor and a second photoelectric sensor, wherein the first photoelectric sensor and the second photoelectric sensor are symmetrically fixed on the cylinder, the first photoelectric sensor is used for detecting whether the cylinder stretches out in place, and the second photoelectric sensor is used for detecting whether the cylinder resets in place.
The utility model is further configured to: the spring is arranged between the upper bearing plate and the lower bearing plate and sleeved on the guide post, one end of the spring is fixedly connected with the upper bearing plate, and the other end of the spring is fixedly connected with the lower bearing plate.
Compared with the prior art, the utility model has the beneficial effects that:
because the reverse-sequence pneumatic transmission device is arranged, when the upper die and the lower die are required to be mutually assembled to realize extrusion forming on polytetrafluoroethylene, the electromagnetic valve is controlled to be attracted by the controller, so that an air source can enter the cylinder through the air pipe, the cylinder extends out to drive the upper die to extrude towards the lower die, when the upper die and the lower die are required to be mutually opened, the electromagnetic valve is controlled to be disconnected by the controller, so that the air pressure in the cylinder can be decompressed, the cylinder is reset, when the cylinder is driven, the air source is an air compressor, so that the output of the air pressure is more stable, and the expansion and contraction of the cylinder are controlled by the controller, so that the force application is more uniform when the upper die and the lower die are extruded, and the technical problem that the pressure application is unstable when the polytetrafluoroethylene is extruded by the die driven by the traditional oil cylinder or the positive-sequence pneumatic compression molding machine is effectively solved, and then can prevent that polytetrafluoroethylene from producing the fracture at the extruded in-process and appearing the crackle, ensure final shaping quality to the mode that carries out the compound die through the pneumatic transmission of reverse order drive lower mould orientation and go up the mould can further make the input of pressure more even stable, thereby can reduce the defective percentage that the fracture deformation of polytetrafluoroethylene moulded product leads to effectively, improve the production efficiency of polytetrafluoroethylene moulded product.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, the present invention discloses a compression molding machine with a reverse pneumatic transmission device suitable for polytetrafluoroethylene, comprising:
the device comprises a workbench 1, wherein a guide post 2, an upper bearing plate 3 and a lower bearing plate 4 are arranged on the workbench 1, one end of the guide post 2 is fixed on the workbench 1, the other end of the guide post is fixedly connected with the upper bearing plate 3, and the lower bearing plate 4 is sleeved on the guide post 2;
an upper die 5, wherein the upper die 5 is fixed on one side of the upper bearing plate 3 facing the lower bearing plate 4;
a lower die 6, wherein the lower die 6 fixes one side of the lower bearing plate 4 facing the upper bearing plate 3, and the lower die 6 is vertically opposite to the upper die 5;
a gas source;
the reverse-order pneumatic transmission device 7 is used for driving the lower die 6 to move towards the upper die 5, so that the lower die 6 and the upper die 5 are matched with each other;
and the controller is used for controlling the reverse-sequence pneumatic transmission device 7 to act.
The reverse-order pneumatic transmission 7 includes:
the air cylinder 72 is fixed on the workbench 1, and the output end of the air cylinder 72 is fixedly connected with the lower bearing plate 4;
the electromagnetic valve 71 is installed on the workbench 1, one end of the electromagnetic valve 71 is connected with the air cylinder 72, the other end of the electromagnetic valve 71 is connected with the controller, and the electromagnetic valve 71 is provided with a power source by an air source.
When the upper die 5 and the lower die 6 need to be mutually assembled to realize extrusion forming of polytetrafluoroethylene, the suction of the electromagnetic valve 71 is controlled through the controller, so that an air source can enter the air cylinder 72 through the air pipe, the air cylinder 72 extends out to drive the upper die 5 to extrude towards the lower die 6, when the upper die 5 and the lower die 6 need to be mutually opened, the electromagnetic valve 71 is controlled to be disconnected through the controller, so that the air pressure in the air cylinder 72 can be relieved, the air cylinder 72 is reset, the air source is an air compressor when the air cylinder 72 is driven, so that the output of the air pressure is more stable, the expansion and contraction of the air cylinder 72 are controlled through the controller, so that the force application is more uniform when the upper die 5 and the lower die 6 are extruded, further, the polytetrafluoroethylene can be prevented from cracking in the extrusion process, the final forming quality is ensured, and the mode of assembling the lower die towards the upper die can be further realized through the reverse-order pneumatic transmission device 7 driving the lower die to close the upper die The input of the pressure is more uniform and stable, so that the defective rate caused by the cracking deformation of the polytetrafluoroethylene molded product can be effectively reduced, and the production efficiency of the polytetrafluoroethylene molded product is improved.
Wherein the input of accessible external switch and controller is connected, and solenoid valve 71 is connected with the output of controller to the compound die of mould 5 and bed die 6 is controlled to the accessible is pressed external switch, and then makes the use more convenient.
The hydraulic control system further comprises a throttle valve, wherein the throttle valve is connected between the air cylinder 72 and the electromagnetic valve 71 and used for adjusting the output force of the air cylinder 72.
Through setting up the choke valve, can adjust the output dynamics of cylinder 72 to pressure adjustment when can be with extruding between last mould 5 and the bed die 6 is to suitable dynamics.
The first photoelectric sensor and the second photoelectric sensor are symmetrically fixed on the air cylinder 72, the first photoelectric sensor is used for detecting whether the air cylinder 72 extends out in place, and the second photoelectric sensor is used for detecting whether the air cylinder 72 resets in place, so that the running stability of the compression molding machine can be improved.
The power ends of the first photoelectric sensor and the second photoelectric sensor are connected with a built-in power supply of the controller, and the output end of the first photoelectric sensor is connected with the input end of the controller.
A spring 8 is arranged between the upper bearing plate 3 and the lower bearing plate 4, the spring 8 is sleeved on the guide post 2, one end of the spring 8 is fixedly connected with the upper bearing plate 3, and the other end of the spring is fixedly connected with the lower bearing plate 4.
When the lower die 6 and the upper die 5 are closed, the spring 8 is stressed to deform, and when the lower die 6 and the upper die 5 are opened, the spring 8 can act on the lower die 6 with the elastic force generated by deformation, so that the lower die 6 and the upper die 5 are opened more conveniently.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. A compression molding machine with reversed order pneumatic drive suitable for polytetrafluoroethylene comprising:
the workbench is provided with a guide post, an upper bearing plate and a lower bearing plate, one end of the guide post is fixed on the workbench, the other end of the guide post is fixedly connected with the upper bearing plate, and the lower bearing plate is sleeved on the guide post;
the upper die is fixed on one side of the upper bearing plate facing the lower bearing plate;
the lower die is used for fixing one side, facing the upper bearing plate, of the lower bearing plate, and the lower die is vertically opposite to the upper die;
a gas source;
the negative sequence pneumatic transmission device is used for driving the lower die to move towards the upper die so that the lower die and the upper die are matched with each other;
and the controller is used for controlling the action of the reverse-sequence pneumatic transmission device.
2. A compression moulding machine with inverted pneumatic drive suitable for polytetrafluoroethylene according to claim 1, characterized in that said inverted pneumatic drive comprises:
the air cylinder is fixed on the workbench, and the output end of the air cylinder is fixedly connected with the lower bearing plate;
the electromagnetic valve is installed on the workbench, one end of the electromagnetic valve is connected with the air cylinder, the other end of the electromagnetic valve is connected with the controller, and the electromagnetic valve is powered by an air source.
3. The compression molding machine with reversed-order pneumatic transmission device for polytetrafluoroethylene according to claim 2, further comprising a throttle valve connected between the cylinder and the solenoid valve, the throttle valve being used for adjusting the output force of the cylinder.
4. The compression molding machine with reverse pneumatic transmission device for polytetrafluoroethylene according to claim 3, further comprising a first photoelectric sensor and a second photoelectric sensor, wherein the first photoelectric sensor and the second photoelectric sensor are symmetrically fixed on the cylinder, the first photoelectric sensor is used for detecting whether the cylinder is in place when the cylinder is extended out, and the second photoelectric sensor is used for detecting whether the cylinder is in place when the cylinder is reset.
5. The compression molding machine with reversed-order pneumatic transmission device for polytetrafluoroethylene according to claim 1, wherein a spring is arranged between the upper bearing plate and the lower bearing plate, the spring is sleeved on the guide post, one end of the spring is fixedly connected with the upper bearing plate, and the other end of the spring is fixedly connected with the lower bearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122232168.3U CN216068343U (en) | 2021-09-15 | 2021-09-15 | Compression molding machine suitable for polytetrafluoroethylene and provided with reverse-order pneumatic transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122232168.3U CN216068343U (en) | 2021-09-15 | 2021-09-15 | Compression molding machine suitable for polytetrafluoroethylene and provided with reverse-order pneumatic transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216068343U true CN216068343U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122232168.3U Active CN216068343U (en) | 2021-09-15 | 2021-09-15 | Compression molding machine suitable for polytetrafluoroethylene and provided with reverse-order pneumatic transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216068343U (en) |
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2021
- 2021-09-15 CN CN202122232168.3U patent/CN216068343U/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A molding machine with reverse sequence pneumatic transmission device suitable for polytetrafluoroethylene Effective date of registration: 20230922 Granted publication date: 20220318 Pledgee: Industrial and Commercial Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: Jiashan Yide longfluorine Technology Co.,Ltd. Registration number: Y2023980058551 |