CN217968502U

CN217968502U - Polytetrafluoroethylene gasket preparation facilities

Info

Publication number: CN217968502U
Application number: CN202221665948.5U
Authority: CN
Inventors: 刘宗虎; 熊习武; 刘萃; 王莹娜; 刘京
Original assignee: SHENZHEN ENGINEERING PLASTIC CO LTD
Current assignee: SHENZHEN ENGINEERING PLASTIC CO LTD
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-06
Anticipated expiration: 2032-06-30

Abstract

The utility model belongs to the technical field of polytetrafluoroethylene packing ring apparatus for producing, a polytetrafluoroethylene packing ring preparation facilities is disclosed. The main technical characteristics are as follows: comprises a frame body, a pipe positioning and rotating mechanism, a cutting mechanism and a control mechanism; the pipe positioning and rotating mechanism comprises a main shaft sleeve and a positioning sleeve positioned on the outer side of the diameter of the main shaft sleeve, a driving wheel is fixed on the main shaft sleeve, the driving wheel is in power connection with a main shaft driving motor through a driving chain, a clamping head is arranged at the front end of the main shaft sleeve, and the rear end of the clamping head is connected with a rotary oil cylinder through a connecting sleeve. The polytetrafluoroethylene tube is inserted into the connecting sleeve and the chuck, the chuck is controlled to be locked and loosened through the rotary oil cylinder, the inner diameter and the outer diameter of the polytetrafluoroethylene tube are milled, and then cutting is carried out. The process is simple, the production efficiency is high, the stub bar residue is less, the raw materials are saved, and the production cost is reduced.

Description

Polytetrafluoroethylene gasket preparation facilities

Technical Field

The utility model belongs to the technical field of polytetrafluoroethylene packing ring apparatus for producing, especially, relate to a polytetrafluoroethylene packing ring preparation facilities.

Background

Polytetrafluoroethylene gaskets are widely used because of their good corrosion resistance. The existing polytetrafluoroethylene gasket is prepared by the following preparation method: firstly, preparing a polytetrafluoroethylene tube, cutting the polytetrafluoroethylene tube into small sections of about 10 cm, clamping the end parts of the small sections of the polytetrafluoroethylene tube by using a clamp, milling the inner diameter to a proper size by using an inner diameter milling cutter, inserting a core rod, milling the outer diameter of the polytetrafluoroethylene tube, and cutting the small sections of the polytetrafluoroethylene tube with the milled inner diameter and outer diameter into gaskets by using a cutter. The polytetrafluoroethylene gasket preparation device with the structure has the following defects: firstly, when a clamp is used for clamping the end part of a small section of polytetrafluoroethylene pipe, an inner diameter milling cutter cannot process the whole section of polytetrafluoroethylene pipe, and the rest end part is thrown away, so that material waste is caused; secondly, in the processing process, the polytetrafluoroethylene tube needs to be cut into small sections, the process is complex, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a polytetrafluoroethylene packing ring preparation facilities that production efficiency is high, the material is extravagant hardly, low in production cost.

In order to solve the above problems, the utility model discloses technical scheme that polytetrafluoroethylene packing ring preparation facilities adopted is: comprises a frame body, a pipe positioning and rotating mechanism, a cutting mechanism and a control mechanism; the cutting mechanism comprises a transverse track and a tool rest positioned on the transverse track, wherein a vertical track is arranged on the tool rest, and a milling cutter fixing frame with an inner milling cutter and an outer milling cutter and a cutting cutter fixing frame with a cutting cutter are arranged on the vertical track; the pipe positioning and rotating mechanism comprises a main shaft sleeve and a positioning sleeve positioned on the outer side of the diameter of the main shaft sleeve, a driving wheel is fixed on the main shaft sleeve and is in power connection with a main shaft driving motor through a driving chain, the inner wall surface of the front end of the main shaft sleeve is in a round table shape, a chuck with the outer side in the round table shape is arranged at the front end of the main shaft sleeve, the rear end of the chuck is connected with the connecting sleeve, a connecting disc is arranged behind the connecting sleeve, a rotary oil cylinder is arranged behind the connecting disc, a pulling sleeve is arranged at the front end of the rotary oil cylinder, and the front end of the pulling sleeve is connected with the connecting sleeve.

Compared with the prior art, the polytetrafluoroethylene gasket preparation facilities that the utility model provides have following advantage: the pipe cutting machine comprises a frame body, a pipe positioning and rotating mechanism, a cutting mechanism and a control mechanism; the cutting mechanism comprises a transverse track and a tool rest positioned on the transverse track, wherein a vertical track is arranged on the tool rest, and a milling cutter fixing frame with an inner milling cutter and an outer milling cutter and a cutting cutter fixing frame with a cutting cutter are arranged on the vertical track; the pipe positioning and rotating mechanism comprises a main shaft sleeve and a positioning sleeve positioned on the outer side of the diameter of the main shaft sleeve, a driving wheel is fixed on the main shaft sleeve, the driving wheel is in power connection with a main shaft driving motor through a driving chain, the inner wall surface of the front end of the main shaft sleeve is in a round table shape, a chuck with the outer side in the round table shape is arranged at the front end of the main shaft sleeve, the rear end of the chuck is connected with a connecting sleeve, a connecting disc is arranged at the rear part of the connecting sleeve, a rotary oil cylinder is arranged at the rear part of the connecting disc, a pulling sleeve is arranged at the front end of the rotary oil cylinder, the front end of the pulling sleeve is connected with the connecting sleeve, the rotary oil cylinder pushes the pulling sleeve forward to drive the connecting sleeve and the chuck to jack, the chuck is loosened, a polytetrafluoroethylene pipe is inserted into the connecting sleeve and the chuck, the front end of the polytetrafluoroethylene pipe extends out of the chuck for a certain distance, and then the pulling sleeve of the rotary oil cylinder pulls backward, the connecting sleeve and the chuck are driven to move backwards, the chuck clamps the polytetrafluoroethylene tube, at the moment, a main shaft driving motor is started, the main shaft sleeve drives the chuck and the polytetrafluoroethylene tube to rotate, an inner diameter milling cutter and an outer diameter milling cutter firstly mill the inner diameter of the polytetrafluoroethylene tube, then mill the outer diameter of the polytetrafluoroethylene tube, finally a cutting knife cuts the polytetrafluoroethylene tube with well milled inner diameter and outer diameter into a gasket, the main shaft driving motor is closed, a rotary oil cylinder pushes a pulling sleeve forwards, the connecting sleeve and the chuck are driven to push forwards, the chuck is loosened, the cutting knife is inserted into the end part of the polytetrafluoroethylene tube, the polytetrafluoroethylene tube is pulled forwards in the transverse moving process of the cutting knife, the front end of the polytetrafluoroethylene tube extends out of the chuck for a certain distance, then the main shaft sleeve of the rotary oil cylinder pulls the connecting sleeve and the chuck backwards, the chuck clamps the polytetrafluoroethylene tube, at the moment, the main shaft driving motor is started, the sleeve drives the chuck and the polytetrafluoroethylene tube to rotate, the inner and outer diameter milling cutters mill the inner diameter of the polytetrafluoroethylene tube firstly, then mill the outer diameter of the polytetrafluoroethylene tube, and finally the cutting cutters cut the polytetrafluoroethylene tube with the milled inner diameter and outer diameter into the gasket, and the process is repeated until the whole polytetrafluoroethylene tube is cut, so that the process is simple, the production efficiency is high, the material head is less in residue, the raw materials are saved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic structural view of a polytetrafluoroethylene gasket manufacturing apparatus of the present invention;

fig. 2 is a schematic structural view of a locking state of the chuck;

fig. 3 is a schematic view showing a structure of a chuck released state.

Detailed Description

The structure and the operation principle of the polytetrafluoroethylene gasket manufacturing apparatus of the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1, fig. 2 and fig. 3, the structure of the apparatus for preparing polytetrafluoroethylene gasket of the present invention is schematically illustrated, and the apparatus for preparing polytetrafluoroethylene gasket of the present invention includes a frame body 1, a pipe positioning rotating mechanism 4, a cutting mechanism 3 and a control mechanism 2. The cutting mechanism 3 comprises a transverse rail 31 and a tool holder 32 positioned on the transverse rail 31, wherein a vertical rail 33 is arranged on the tool holder 32, and a milling cutter holder 35 with an inner and outer diameter milling cutter 34 and a cutting cutter holder 37 with a cutting cutter 36 are arranged on the vertical rail 33. The pipe positioning and rotating mechanism 4 comprises a main shaft sleeve 41 and a positioning sleeve 42 positioned on the radial outer side of the main shaft sleeve 41, a driving wheel 43 is fixed on the main shaft sleeve 41, and the driving wheel 43 is in power connection with a main shaft driving motor 45 through a driving chain 44. The inner wall surface of the front end of the spindle sleeve 41 is in a circular truncated cone shape, the front end of the spindle sleeve 41 is provided with a chuck 5 of which the outer side is in a circular truncated cone shape, the rear end of the chuck 5 is connected with the connecting sleeve 46, the rear part of the connecting sleeve 46 is provided with a connecting disc 47, the rear part of the connecting disc 47 is provided with a rotary oil cylinder 6, the front end of the rotary oil cylinder 6 is provided with a pulling sleeve 61, and the front end of the pulling sleeve 61 is connected with the connecting sleeve 46.

The rotary oil cylinder 6 pushes the pulling sleeve 61 forward to drive the connecting sleeve 46 and the chuck 5 to push forward, the chuck 5 is loosened, the polytetrafluoroethylene tube 7 is inserted into the connecting sleeve 46 and the chuck 5, the front end of the polytetrafluoroethylene tube 7 extends out of the chuck 5 for a certain distance, then the pulling sleeve 61 of the rotary oil cylinder 6 is pulled backward to drive the connecting sleeve 46 and the chuck 5 to move backward, the chuck 5 clamps the polytetrafluoroethylene tube 7, at the moment, the spindle driving motor 45 is started, the spindle sleeve 41 drives the chuck 5 and the polytetrafluoroethylene tube 7 to rotate, the inner and outer diameter milling cutters 34 mill the inner diameter of the polytetrafluoroethylene tube first, mill the outer diameter of the polytetrafluoroethylene tube, finally the cutting cutter 36 cuts the polytetrafluoroethylene tube with the milled inner diameter and outer diameter into a gasket, the spindle driving motor 45 is closed, the rotary oil cylinder 6 pulls the sleeve 61 forward to drive the connecting sleeve 46 and the chuck 5 to push forward, and the chuck 5 is loosened, the cutting knife 36 is inserted into the end of the polytetrafluoroethylene tube 7, in the process of transverse movement of the cutting knife 36, the polytetrafluoroethylene tube is pulled forwards, the front end of the polytetrafluoroethylene tube extends out of the chuck 5 for a distance, then the pulling sleeve 61 of the rotary oil cylinder 6 is pulled backwards to drive the connecting sleeve 46 and the chuck 5 to move backwards, the chuck 5 clamps the polytetrafluoroethylene tube 7 tightly, at the moment, the spindle driving motor 45 is started, the spindle sleeve 41 drives the chuck 5 and the polytetrafluoroethylene tube 7 to rotate, the inner and outer diameter milling cutters 34 mill the inner diameter of the polytetrafluoroethylene tube firstly, then mill the outer diameter of the polytetrafluoroethylene tube, and finally the cutting knife 36 cuts the polytetrafluoroethylene tube with well milled inner diameter and outer diameter into a gasket.

The protection scope of the utility model is not limited to the above-mentioned embodiment, as long as the structure is the same as or similar to the structure of the polytetrafluoroethylene gasket preparation device of the utility model, just fall on the protection scope of the utility model.

Claims

1. Polytetrafluoroethylene packing ring preparation facilities, including support body, tubular product location slewing mechanism, cutting mechanism and control mechanism, cutting mechanism includes horizontal track and the knife rest that is located this horizontal track be provided with vertical track on the knife rest be provided with the milling cutter mount that has interior external diameter milling cutter and the cutting sword mount that has the cutting sword on the vertical track, its characterized in that: the pipe positioning and rotating mechanism comprises a main shaft sleeve and a positioning sleeve positioned on the outer side of the diameter of the main shaft sleeve, a driving wheel is fixed on the main shaft sleeve and is in power connection with a main shaft driving motor through a driving chain, the inner wall surface of the front end of the main shaft sleeve is in a round table shape, a chuck with the outer side in the round table shape is arranged at the front end of the main shaft sleeve, the rear end of the chuck is connected with the connecting sleeve, a connecting disc is arranged behind the connecting sleeve, a rotary oil cylinder is arranged behind the connecting disc, a pulling sleeve is arranged at the front end of the rotary oil cylinder, and the front end of the pulling sleeve is connected with the connecting sleeve.