CN216914604U - PTFE powder tee pipe internal shaping and maintaining die - Google Patents
PTFE powder tee pipe internal shaping and maintaining die Download PDFInfo
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- CN216914604U CN216914604U CN202220289401.3U CN202220289401U CN216914604U CN 216914604 U CN216914604 U CN 216914604U CN 202220289401 U CN202220289401 U CN 202220289401U CN 216914604 U CN216914604 U CN 216914604U
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Abstract
The utility model relates to a polytetrafluoroethylene powder tee pipe internal shaping and maintaining die which comprises a main inner die rod, a main baffle disc, an auxiliary inner die rod and an auxiliary baffle disc, wherein the main inner die rod is fixed on the main baffle disc; the main baffle disc is positioned at the position close to the two ends of the main inner mold rod, a main screw rod is arranged on the main baffle disc, and a main nut is arranged on the main screw rod; one end of the auxiliary inner mold rod is provided with a connecting screw rod; the auxiliary baffle disc is positioned at one end of the auxiliary inner mold rod, which is far away from the main screw rod, an auxiliary screw rod is arranged on the auxiliary baffle disc, and an auxiliary nut is arranged on the auxiliary screw rod; the main inner mold rod is provided with a main electric heating rod, and the auxiliary inner mold rod is provided with an auxiliary electric heating rod. The utility model is applied to the interior of the metal tee pipe, can realize the shaping and the keeping of the PTFE powder, and realizes the locking by utilizing the flange at the end of the metal tee pipe, thereby avoiding the displacement, ensuring that the coaxiality of the inner pipe of the PTFE lining pipe meets the requirement and reducing the rejection rate; and internal heating can be realized through the electric heating wire, so that the situation that the tetrafluoro powder is not heated enough is avoided.
Description
Technical Field
The utility model relates to the field of production of tetrafluoro pipes, in particular to a tetrafluoro powder tee pipe inner shaping and maintaining mold.
Background
In the production and processing process of the die-pressed PTFE three-way pipe, servo powder needs to be poured into a three-way pipe made of metal materials, then heating is carried out, PTFE powder is heated and formed, and finally a hard PTFE lining pipe attached to the inside of the metal pipe is formed.
Although the design of tetrafluoro powder can be realized to present location holding die, the steadiness of design is not enough, leads to irritating powder and mould pressing and accomplishes the back, and the mould takes place the displacement for the tubular metal resonator easily, leads to the intraductal axiality of lining pipe in tetrafluoro that final forming came relatively poor with the tubular metal resonator, does not conform to the design requirement, only can do and scrap the processing, leads to the manufacturing cost of mould pressing tetrafluoro three-way pipe higher.
In addition, after powder filling and mold pressing are completed, the conventional operation mode is to place the metal pipe and the mold into a baking device for heating. However, the tetrafluoro powder located inside the metal tube near the die is susceptible to incomplete solidification due to insufficient heat caused by the hindered heat transfer.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is:
the design of the sizing and maintaining die in the polytetrafluoroethylene powder tee pipe is applied to a metal tee pipe, the sizing and the maintaining of polytetrafluoroethylene powder can be realized, the locking is realized by using a flange at the end of the metal tee pipe, the displacement is avoided, the coaxiality of an inner pipe of a polytetrafluoroethylene lining pipe is ensured to meet the requirement, and the rejection rate is reduced; and internal heating can be realized through the electric heating wire, so that the situation that the tetrafluoro powder is not heated enough is avoided.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a polytetrafluoroethylene powder tee bend intraductal design keeps the mould, including main inner mould pole, main catch disc, vice inner mould pole and vice catch disc; the main baffle disc is positioned at the position close to the two ends of the main inner mold rod, a main screw rod is arranged on the main baffle disc, and a main nut is arranged on the main screw rod; one end of the auxiliary inner die rod is provided with a connecting screw rod, and the connecting screw rod is in threaded connection with a screw hole in the middle of the main screw rod; the auxiliary baffle disc is positioned at one end of the auxiliary inner mold rod, which is far away from the main screw rod, an auxiliary screw rod is arranged on the auxiliary baffle disc, and an auxiliary nut is arranged on the auxiliary screw rod; the main inner die rod is provided with a main electric heating rod, and the auxiliary inner die rod is provided with an auxiliary electric heating rod.
Furthermore, the main inner die rod and the auxiliary inner die rod are both in a shape of a slender rod, and the main baffle disc and the auxiliary baffle disc are both in a shape of a ring; the main inner mold rod penetrates through a through hole in the middle of the main baffle disc, and the auxiliary inner mold rod penetrates through a through hole in the middle of the auxiliary baffle disc.
Furthermore, the main screw rods are arranged in a circumferential array relative to the through holes on the main baffle disc; the auxiliary screw rods are arranged in a circumferential array relative to the through holes on the auxiliary baffle disc.
Furthermore, the connecting screw rod is coaxial with the auxiliary inner mold rod, and the external thread of the connecting screw rod is matched with the internal thread of the screw hole in the main inner mold rod.
Furthermore, the main electric heating rod extends along the length direction of the main inner die rod; the auxiliary electric heating rod extends along the length direction of the auxiliary inner die rod.
The utility model has the beneficial effects that: a polytetrafluoroethylene powder tee pipe internal shaping and maintaining die is applied to a metal tee pipe, and can realize shaping and maintaining of polytetrafluoroethylene powder by combining comprehensive utilization of a main internal die rod, a main baffle disc, a main screw rod, an auxiliary internal die rod, an auxiliary baffle disc, an auxiliary screw rod, a connecting screw rod, a main electric heating rod and an auxiliary electric heating rod; and main electrothermal rod and vice electrothermal rod can realize the internal heating, guarantee that the interior tetrafluoro powder that is close to main interior die rod and vice interior die rod department in the metal tee bend pipe is fully heated, and then guarantee the shaping quality of tetrafluoro interior bushing pipe.
Drawings
Fig. 1 is a schematic structural diagram of a shape-keeping mold in a tetrafluoro powder three-way pipe of the present invention.
Fig. 2 is another view of the structure shown in fig. 1.
Fig. 3 is a schematic view of a combination state of a shaping and maintaining die in a tetrafluoro powder three-way pipe and a metal three-way pipe.
In the figure: 1. a main inner mold bar; 2. a main catch tray; 3. a main screw; 4. a main nut; 5. a screw hole; 6. a sub inner mold rod; 7. an auxiliary catch disc; 8. an auxiliary screw; 9. a secondary nut; 10. connecting a screw rod; 11. a main electric heating rod; 12. And an auxiliary electric heating rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 3, a shape-fixing and holding die in a tetrafluoro powder three-way pipe includes a main inner die rod 1, a main baffle disc 2, an auxiliary inner die rod 6, and an auxiliary baffle disc 7; the main baffle disc 2 is positioned at the position close to the two ends of the main inner die rod 1, the main baffle disc 2 is used for plugging the end head of a main pipe of the three-way pipe, a main screw 3 is arranged on the main baffle disc 2, the main screw 3 can penetrate through a flange hole at the end head of the main pipe of the three-way pipe, a main nut 4 is arranged on the main screw 3, and the main nut 4 is used for locking to realize fixation; one end of the auxiliary inner mold rod 6 is provided with a connecting screw rod 10, the connecting screw rod 10 is in threaded connection with the screw hole 5 in the middle of the main screw rod 3, namely the auxiliary inner mold rod 6 is detachably connected with the main inner mold rod 1; the auxiliary baffle disc 7 is positioned at one end, far away from the main screw rod 3, of the auxiliary inner die rod 6, the auxiliary baffle disc 7 is used for plugging the end of an auxiliary pipe of the three-way pipe, an auxiliary screw rod 8 is arranged on the auxiliary baffle disc 7, the auxiliary screw rod 8 can penetrate through a flange hole at the tail end of the auxiliary pipe of the three-way pipe, an auxiliary nut 9 is arranged on the auxiliary screw rod 8, and the auxiliary nut 9 is used for locking to realize fixation; the main inner die rod 1 is provided with a main electric heating rod 11, the auxiliary inner die rod 6 is provided with an auxiliary electric heating rod 12, and the main electric heating rod 11 and the auxiliary electric heating rod 12 can be electrified to generate heat for realizing the self-inside and self-outside heating of the main inner die rod 1 and the auxiliary inner die rod 6 and ensuring that the PTFE powder is fully heated.
The main inner die rod 1 and the auxiliary inner die rod 6 are both in a slender rod shape, and the main baffle disc 2 and the auxiliary baffle disc 7 are both in an annular shape; the main inner mold rod 1 penetrates through a through hole in the middle of the main baffle disc 2, the auxiliary inner mold rod 6 penetrates through a through hole in the middle of the auxiliary baffle disc 7, the main baffle disc 2 can be detached from the main inner mold rod 1, and the auxiliary baffle disc 7 can be detached from the auxiliary inner mold rod 6.
The main screw rods 3 are arranged in a circumferential array relative to the through holes on the main baffle disc 2 and correspond to the flange holes of the main pipe of the three-way pipe; the auxiliary screw rods 8 are arranged in a circumferential array relative to the through holes in the auxiliary baffle disc 7 and correspond to the flange holes of the auxiliary pipe of the three-way pipe.
The connecting screw rod 10 is coaxial with the auxiliary inner mold rod 6, the external thread of the connecting screw rod 10 is matched with the internal thread of the screw hole 5 on the main inner mold rod 1, and the connecting screw rod 10 can be screwed into the screw hole 5.
The main electric heating rod 11 extends along the length direction of the main inner mold rod 1; the auxiliary electric heating rod 12 extends along the length direction of the auxiliary inner mold rod 6, and the main electric heating rod 11 and the auxiliary electric heating rod 12 are resistance heating type electric heating rods.
The working principle of the utility model is as follows:
firstly, inserting a main inner die rod 1 into a main pipe of a three-way pipe, wherein two ends of the main inner die rod 1 extend out of two ends of the main pipe of the three-way pipe, and a screw hole 5 is opposite to an auxiliary pipe of the three-way pipe; then, two main baffle discs 2 are sleeved at two ends of a main inner mold rod 1, a main screw 3 penetrates through a flange hole at the end of a main pipe, and then a main nut 4 is locked to realize the fixation of the main inner mold rod 1 and the plugging of the main baffle discs 2, so as to avoid the leakage of the tetrafluoro powder;
inserting the auxiliary inner mold rod 6 into the auxiliary pipe, rotating the auxiliary inner mold rod 6, and screwing the connecting screw rod 10 into the screw hole 5 on the main inner mold rod 1 to realize the connection of the auxiliary inner mold rod 6 and the main inner mold rod 1; then, injecting the tetrafluoro powder from the top of the auxiliary pipe of the three-way pipe until the powder completely fills the gaps between the inner wall of the three-way pipe and the main inner die rod 1 and the auxiliary inner die rod 6; finally, the auxiliary baffle disc 7 is sleeved on the auxiliary inner mold rod 6, the auxiliary screw 8 penetrates through a flange hole at the end of the auxiliary pipe, and the auxiliary nut 9 is locked to realize plugging and avoid leakage of the tetrafluoro powder;
the three-way pipe and the die are put into a baking device together for heating, and the main electric heating rod 11 and the auxiliary electric heating rod 12 are electrified together for heating at the same time, so that the inside and outside bidirectional heating of the PTFE powder is realized, the PTFE powder is ensured to be heated and solidified fully and uniformly, and PTFE lining pipes are formed in the main pipe and the auxiliary pipe of the three-way pipe.
The above examples are intended to further illustrate the present invention, but are not intended to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.
Claims (5)
1. The utility model provides a design keeps mould in tetrafluoro powder tee bend pipe which characterized in that: comprises a main inner mold rod (1), a main baffle disc (2), an auxiliary inner mold rod (6) and an auxiliary baffle disc (7); the main baffle disc (2) is positioned at a position close to two ends of the main inner die rod (1), a main screw (3) is arranged on the main baffle disc (2), and a main nut (4) is arranged on the main screw (3); one end of the auxiliary inner mold rod (6) is provided with a connecting screw rod (10), and the connecting screw rod (10) is in threaded connection with a screw hole (5) in the middle of the main screw rod (3); the auxiliary baffle disc (7) is positioned at one end, far away from the main screw rod (3), of the auxiliary inner die rod (6), an auxiliary screw rod (8) is arranged on the auxiliary baffle disc (7), and an auxiliary nut (9) is arranged on the auxiliary screw rod (8); the main inner mold rod (1) is provided with a main electric heating rod (11), and the auxiliary inner mold rod (6) is provided with an auxiliary electric heating rod (12).
2. The tetrafluoro powder three-way pipe inner sizing and holding die according to claim 1, characterized in that: the main inner mold rod (1) and the auxiliary inner mold rod (6) are both in a shape of a slender rod, and the main baffle disc (2) and the auxiliary baffle disc (7) are both in a shape of a ring; the main inner mold rod (1) penetrates through a through hole in the middle of the main baffle disc (2), and the auxiliary inner mold rod (6) penetrates through a through hole in the middle of the auxiliary baffle disc (7).
3. The tetrafluoro powder three-way pipe inner sizing and holding die according to claim 2, characterized in that: the main screw rods (3) are arranged in a circumferential array relative to the through holes on the main baffle disc (2); the auxiliary screw rods (8) are arranged in a circumferential array relative to the through holes on the auxiliary baffle disc (7).
4. The tetrafluoro powder three-way pipe inner sizing and holding die according to claim 3, characterized in that: the connecting screw rod (10) is coaxial with the auxiliary inner mold rod (6), and the external thread of the connecting screw rod (10) is matched with the internal thread of the screw hole (5) in the main inner mold rod (1).
5. The tetrafluoro powder three-way pipe inner sizing and holding die according to claim 4, characterized in that: the main electric heating rod (11) extends along the length direction of the main inner die rod (1); the auxiliary electric heating rod (12) extends along the length direction of the auxiliary inner mold rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220289401.3U CN216914604U (en) | 2022-02-14 | 2022-02-14 | PTFE powder tee pipe internal shaping and maintaining die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220289401.3U CN216914604U (en) | 2022-02-14 | 2022-02-14 | PTFE powder tee pipe internal shaping and maintaining die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216914604U true CN216914604U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220289401.3U Active CN216914604U (en) | 2022-02-14 | 2022-02-14 | PTFE powder tee pipe internal shaping and maintaining die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216914604U (en) |
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2022
- 2022-02-14 CN CN202220289401.3U patent/CN216914604U/en active Active
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