CN217531783U

CN217531783U - PTFE microporous membrane pushing device

Info

Publication number: CN217531783U
Application number: CN202123391931.3U
Authority: CN
Inventors: 阙福明
Original assignee: Changzhou Huafu Environment Technology Co ltd
Current assignee: Changzhou Huafu Environment Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-10-04
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a PTFE microporous membrane pushing device, which comprises a prepressing assembly, a transferring assembly and a pushing assembly; the pre-pressing assembly is used for pressing polytetrafluoroethylene powder in the material cylinder to be cylindrical, and conveying the material cylinder to the transfer assembly in a mode of driving the material cylinder to rotate and horizontally move; a transfer assembly for grasping the cartridges in a horizontal arrangement and transporting the cartridges to the pushing assembly; the pushing assembly pushes the material in the material barrel into the forming barrel and the material flows out in a belt shape. The utility model discloses automatic transport to bulldozing the subassembly after pressing into cylindrical bar in advance from the polytetrafluoroethylene powder, bulldoze the shaping, replaced artifical transport, not only reduced intensity of labour and cost, improved production efficiency moreover.

Description

PTFE microporous membrane pushing device

Technical Field

The utility model relates to a PTFE microporous membrane preparation equipment technical field specifically is a PTFE microporous membrane bulldozing device.

Background

The PTFE (polytetrafluoroethylene) microporous membrane is a microporous membrane obtained by prepressing polytetrafluoroethylene powder to form a cylinder, rolling the cylinder to form a semi-finished membrane, stretching the semi-finished membrane at a certain temperature and performing heat setting. And (4) prepressing the polytetrafluoroethylene powder to obtain a cylindrical rod material, and extruding the rod material into a belt with a smaller cross section through a pushing and pressing machine.

Traditional bulldozing machine is by the fuselage, hydraulic system, extrude head and ejector pin and constitute, hydraulic system drive ejector pin that is located on the fuselage gets into and extrudes the head in, the material that will extrude in the head extrudes into the banding, the ejector pin with extrude the head coaxial setting all the time, because the length of ejector pin is longer, hydraulic system is when out of work, the distance that the first feed inlet was extruded to the ejector pin distance is nearer, it is more inconvenient to lead to placing the material in extruding the head, can only be through artifical a small amount of many times to extruding the interior placing the material of head, blowing efficiency is lower, finally, the work efficiency that leads to the bulldozing machine is lower, and workman's the intensity of labour is great.

In order to solve the problems, the chinese patent No. CN207172684U discloses a horizontal pushing press for preparing PTFE microporous films, which comprises placing a pre-pressed material cylinder on a charging device, pushing the material cylinder to an extrusion head under the action of a branch guide rail to make the material cylinder and the extrusion head coaxial, pushing a bar material into the extrusion head, and molding.

This process needs the manual work to carry the feed cylinder to charging device on, needs two workman at least just can accomplish, and intensity of labour and cost of labor are still than higher.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem in the background art, the utility model discloses a PTFE microporous membrane bulldozing device.

The utility model provides a PTFE microporous membrane pushing device, which comprises a prepressing assembly, a transferring assembly and a pushing assembly;

the pre-pressing assembly is used for pressing polytetrafluoroethylene powder in the material cylinder to be cylindrical, and conveying the material cylinder to the transfer assembly in a mode of driving the material cylinder to rotate and horizontally move;

the transfer assembly is used for grabbing the cartridges in a horizontal arrangement and conveying the cartridges to the pushing assembly;

the pushing assembly pushes the material in the material barrel into the forming barrel and the material flows out in a belt shape.

The utility model discloses follow the polytetrafluoroethylene powder and suppress into cylindrical bar material back automatic transport in advance to bulldozing the subassembly, bulldoze the shaping, replaced artifical transport, not only reduced intensity of labour and cost, improved production efficiency moreover.

In order to explain the specific structure of the prepressing assembly, in the scheme, the prepressing assembly comprises a prepressing rack, and a first oil cylinder is arranged at the top of the prepressing rack and used for pushing and pressing materials in the charging barrel;

the feeding device is characterized in that a translation plate is arranged at the lower end of the rack and driven by a first ball screw pair and a first linear guide rail through a first speed reduction motor, and the feeding barrel is placed on the translation plate.

In order to explain the specific structure of the rotation of the charging barrel, in the scheme, the upper end of the translation plate is hinged with a turnover plate, and the turnover plate is driven by a first cylinder; the charging barrel is placed on the turnover plate.

In order to make the charging barrel overturn more stably, in the scheme, the turnover plate is provided with the baffle, and the upper end and the lower end of the baffle are provided with the first hoops for supporting the charging barrel. First staple bolt not only plays the supporting role when the feed cylinder upset, also plays the supporting role when the feed cylinder pre-compaction, takes place to empty when avoiding the feed cylinder pre-compaction.

In order to explain the specific structure of the transfer assembly, in the scheme, the transfer assembly comprises a transfer frame, a moving frame is arranged on the transfer frame, and the transfer frame is driven by a second speed reducing motor under the action of a second ball screw pair and a guide pillar; the charging barrel is placed on the moving frame.

For explaining the concrete structure of the material cylinder grabbed by the transfer frame, in the scheme, the two sides of the transfer frame are respectively provided with a fixed hoop and a movable hoop driven by the second cylinder to lift, and the fixed hoop and the movable hoop are oppositely arranged. The fixed staple bolt of second gear motor drive and activity staple bolt remove to both sides about the feed cylinder, then drive the second cylinder, and the feed cylinder is held up to the activity staple bolt, makes the feed cylinder press from both sides tightly between fixed staple bolt and activity staple bolt.

In order to explain the specific structure of the pushing assembly, in the scheme, the pushing assembly comprises a pushing frame, one end of the pushing frame is provided with the forming cylinder, and the other end of the pushing frame is provided with a second oil cylinder used for pushing the material in the material cylinder into the forming cylinder and enabling the material to flow out in a belt shape.

Furthermore, a top rod capable of moving horizontally and radially is arranged on the pushing and pressing frame, and a push rod is connected to the piston rod of the second oil cylinder. According to the arrangement, the material is quickly pushed into the forming barrel by the push rod, and then the ejector rod is moved to the position of the push rod, so that the push rod drives the ejector rod, and the material is formed by the ejector rod; when the ejector rod drives the material to be molded, the charging barrel can perform the processes of discharging and pressing, so that the operation time is reduced, and the production efficiency is improved.

In order to explain the concrete structure of the horizontal movement of the ejector rod, in the scheme, mounting plates are arranged at two ends of the pushing and pressing frame, and the forming cylinder and the second oil cylinder are respectively mounted on the mounting plates; the mounting plates are connected through four guide rods which are uniformly distributed;

the guide rod is provided with a push plate in sliding connection;

the push plate is provided with a guide groove, and the ejector rod is connected with the guide groove in a clamping mode and driven by a third air cylinder.

The head of the ejector rod is easy to droop under the action of gravity, so that the problem is further improved and solved, and particularly, the pushing frame is also provided with a support frame which can move under the action of the second linear guide rail; and two rollers forming a V shape are arranged at the upper end of the supporting frame and used for supporting the end part of the ejector rod.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic structural view of another view angle of the present invention;

fig. 4 is a schematic structural diagram of a third viewing angle of the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a schematic view of the pre-pressing assembly;

FIG. 7 is a schematic view of another perspective of the pre-pressing assembly;

FIG. 8 is a schematic view of a third view hiding part of the pre-pressing assembly;

in the figure: 1. pre-pressing the assembly; 2. a transfer assembly; 3. a pushing assembly; 4. a charging barrel; 5. a forming cylinder; 11. pre-pressing the frame; 12. a first cylinder; 13. a translation plate; 14. a first reduction motor; 15. a first ball screw pair; 16. a first linear guide rail; 17. a turnover plate; 18. a first cylinder; 19. a first hoop; 171. a baffle plate; 21. a transfer frame; 22. a movable frame; 23. a second reduction motor; 24. a second ball screw pair; 25. a guide post; 26. fixing the anchor ear; 27. a second cylinder; 28. a movable hoop; 31. a pushing frame; 32. a second cylinder; 33. mounting a plate; 34. a guide bar; 35. a support frame; 36. a push plate; 37. a third cylinder; 38. a top rod; 39. a push rod; 41. a second linear guide; 42. and (3) a roller.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 and fig. 3, the utility model relates to a PTFE microporous membrane pushing device, which comprises a prepressing assembly 1, a transferring assembly 2 and a pushing assembly 3.

As shown in fig. 6-7, the pre-pressing assembly 1 includes a pre-pressing frame 11, and a first cylinder 12 is disposed at the top of the pre-pressing frame 11 for pushing the material in the barrel 4 to form a cylindrical shape. The lower end of the rack is provided with a translation plate 13 and a first ball screw pair 15, wherein two ends of a screw rod are rotatably connected through a shaft bearing, and one end of the screw rod is driven by a first speed reduction motor 14. First linear guide rails 16 are arranged on two sides of the first ball screw pair 15. The translation plate 13 is fixedly connected with a screw nut in the first ball screw pair 15 and also fixedly connected with a slide block in the first linear guide 16.

The translation plate 13 is provided with a hinged turnover plate 17. One end of the translation plate 13 is provided with a rotating shaft which is connected with the translation plate in a rotating way through a bearing with a seat, and the two ends of the turnover plate 17, which are close to one side of the transfer component 2, are sleeved with the rotating shaft. The lower end of the translation plate 13 is provided with a first air cylinder 18, the middle position of the translation plate 13 is hinged with the translation plate 13, and a piston rod is hinged with the turnover plate 17, so that the turnover plate 17 is driven to rotate.

The turnover plate 17 is provided with a baffle 171, the upper end and the lower end of the baffle 171 are provided with a first hoop 19, and the first hoop 19 is provided with an arc-shaped groove and used for supporting the charging barrel 4. First staple bolt 19 not only plays the supporting role when feed cylinder 4 overturns, also plays the supporting role when feed cylinder 4 pre-compaction, takes place to empty when avoiding feed cylinder 4 pre-compaction.

The transfer unit 2 includes a transfer frame 21 and a moving frame 22. A second ball screw pair 24 is arranged on the transfer frame 21, two ends of a screw are movably connected with connecting plates at two ends of the transfer frame 21 through bearings, and one end of the screw is driven by a second speed reducing motor 23; two guide posts 25 which are symmetrically arranged and distributed at two sides of the second ball screw pair 24 are also connected between the connecting plates. The moving frame 22 comprises a square frame body which is connected with the guide post 25 in a sliding way through a guide sleeve, and the frame body is also fixedly connected with a screw nut in the second ball screw pair 24. The two sides of the frame body are connected with extending plates, one end of each extending plate is fixedly connected with the frame body, and the other end of each extending plate is suspended. As shown in fig. 2, a fixed anchor ear 26 is fixed at the upper end of the suspended end of the extension plate, and a movable anchor ear 28 driven by a second air cylinder 27 to ascend and descend is arranged at the lower end of the suspended end of the extension plate. The movable anchor ear 28 realizes lifting and guiding under the action of the linear guide rail. The fixed anchor ear 26 and the movable anchor ear 28 are arranged oppositely and are provided with arc-shaped grooves for clamping or loosening the charging barrel 4.

As shown in fig. 4, the pushing and pressing assembly 3 comprises a pushing and pressing frame 31, mounting plates 33 are arranged at two ends of the pushing and pressing frame 31, and the mounting plates 33 are connected through four uniformly distributed guide rods 34. The outer sides of the mounting plates 33 are respectively provided with the forming cylinder 5 and the second oil cylinder 32. The end of the second cylinder 32 is connected with a push rod 39.

The guide rod 34 is connected with a pushing plate 36 in a sliding way, the pushing plate 36 is provided with a mandril 38 in a sliding way, and the concrete structure is as follows: as shown in fig. 5, the pushing plate 36 is provided with L-shaped plates symmetrically arranged up and down and forming a guide groove, and the tail of the guide rod 34 is provided with a fixing plate for engaging with the guide groove. A third cylinder 37 is further disposed on one side of the pushing plate 36, and a piston rod thereof is fixedly connected to the fixing plate for driving the push rod 38 to move horizontally to cover or separate from the push rod 39.

The pushing frame 31 is also provided with a support frame 35, and the support frame 35 can move under the action of the second linear guide rail 41; the upper end of the supporting frame 35 is provided with two rollers 42 forming a V shape for supporting the end of the push rod 38 and preventing the head of the push rod 38 from sagging.

The material is quickly pushed into the forming cylinder 5 by the push rod 39, and then the push rod 38 is moved to the position of the push rod 39, so that the push rod 39 drives the push rod 38, and the material is extruded by the push rod 38 to flow out in a belt shape. When the ejector rod 38 drives the material to be molded, the charging barrel 4 is reset to the turnover plate 17 through reverse motion, and the processes of discharging and pressing are continued, so that the operation time is reduced, and the production efficiency is improved.

After the polytetrafluoroethylene powder is pre-pressed into a cylindrical bar, the following operations are sequentially carried out: 1. starting the first speed reducing motor 14 to enable the material barrel 4 to approach the transferring component 2; 2. starting the first air cylinder 18 to drive the turnover plate 17 to turn over until the charging barrel 4 is horizontally arranged; 3. starting the second speed reducing motor 23 to move the movable hoop 28 to be right below the charging barrel 4; 4. the second air cylinder 27 is started to enable the movable hoop 28 to lift the charging barrel 4, and the charging barrel 4 is clamped between the movable hoop 28 and the fixed hoop 26; 5. the second speed reducing motor 23 is started to move the material barrel 4 to the pushing assembly 3, and the material barrel 4 is coaxial with the forming barrel 5; 6. the second oil cylinder 32 is started, so that the push rod 39 pushes the material in the material barrel 4 into the forming barrel 5; 7. the charging barrel 4 is reset, and the third air cylinder 37 is started to enable the ejector rod 38 and the push rod 39 to be coaxial; 8. and the second oil cylinder 32 is started, the push rod 39 drives the push rod 38 and drives the push plate 36 to move together, and the materials in the forming cylinder 5 are pressed and formed. The utility model discloses replace artifical transport, not only reduced intensity of labour and cost, improved production efficiency moreover.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims

1. A PTFE microporous membrane pushing device is characterized in that: comprises a prepressing component (1), a transferring component (2) and a pushing component (3);

the pre-pressing assembly (1) is used for pressing polytetrafluoroethylene powder in the material barrel (4) to be cylindrical, and the material barrel (4) is conveyed to the transfer assembly (2) in a mode of driving the material barrel (4) to rotate and horizontally move;

the transfer component (2) is used for grabbing the material cylinder (4) which is horizontally arranged and conveying the material cylinder (4) to the pushing component (3);

the pushing assembly (3) pushes the material in the material barrel (4) into the forming barrel (5) and the material flows out in a belt shape.

2. The PTFE microporous membrane pushing device according to claim 1, wherein: the pre-pressing assembly (1) comprises a pre-pressing rack (11), wherein a first oil cylinder (12) is arranged at the top of the pre-pressing rack (11) and used for pushing and pressing materials in the charging barrel (4);

the feeding device is characterized in that a translation plate (13) is arranged at the lower end of the rack (11), the feeding device is driven by a first speed reducing motor (14) under the action of a first ball screw pair (15) and a first linear guide rail (16), and the charging barrel (4) is placed on the translation plate (13).

3. The PTFE microporous membrane pushing device according to claim 2, wherein: the upper end of the translation plate (13) is hinged with a turnover plate (17), and the turnover plate (17) is driven by a first air cylinder (18); the charging barrel (4) is placed on the turnover plate (17).

4. The PTFE microporous membrane pushing device according to claim 3, wherein: the material barrel turning device is characterized in that a baffle (171) is arranged on the turning plate (17), and first anchor ears (19) are arranged at the upper end and the lower end of the baffle (171) and used for supporting the material barrel (4).

5. The PTFE microporous membrane pushing device according to claim 1, wherein: the transfer assembly (2) comprises a transfer frame (21), a moving frame (22) is arranged on the transfer frame (21), and the transfer assembly is driven by a second speed reducing motor (23) under the action of a second ball screw pair (24) and a guide post (25); the charging barrel (4) is placed on the moving frame (22).

6. The PTFE microporous membrane pushing device according to claim 5, wherein: the movable hoop (28) driven to lift by a fixed hoop (26) and a second cylinder (27) is arranged on two sides of the movable frame (22), and the fixed hoop (26) and the movable hoop (28) are arranged oppositely.

7. The PTFE microporous membrane pushing device according to claim 1, wherein: bulldoze subassembly (3) including pushing away pressure frame (31), pushing away pressure frame (31) one end installation a shaping section of thick bamboo (5), the other end is equipped with second hydro-cylinder (32), is used for material in feed cylinder (4) pushes away a shaping section of thick bamboo (5) to be the banding outflow.

8. The PTFE microporous membrane pushing device according to claim 7, wherein: and a push rod (38) capable of moving horizontally and radially is arranged on the push frame (31), and a push rod (39) is connected to a piston rod of the second oil cylinder (32).

9. The PTFE microporous membrane pushing device according to claim 8, wherein: mounting plates (33) are arranged at two ends of the pushing frame (31), and the forming cylinder (5) and the second oil cylinder (32) are respectively mounted on the mounting plates (33); the mounting plates (33) are connected through four guide rods (34) which are uniformly distributed;

a push plate (36) in sliding connection is arranged on the guide rod (34);

and a guide groove is formed in the pushing plate (36), and the ejector rod (38) is clamped in the guide groove and driven by a third air cylinder (37).

10. The PTFE microporous membrane pushing device according to claim 9, wherein: the pushing frame (31) is also provided with a support frame (35), and the support frame (35) can move under the action of a second linear guide rail (41); two V-shaped rollers (42) are arranged at the upper end of the supporting frame (35) and are used for supporting the end part of the ejector rod (38).