阅读说明：本技术 一种导管自动拉伸贴合设备 (Automatic tensile laminating equipment of pipe ) 是由 李爽 于 2021-11-18 设计创作，主要内容包括：本发明属于导管加工技术领域,具体涉及一种导管自动拉伸贴合设备,包括柜体、热合单元、热合运动单元、拉伸单元和控制单元,热合单元包括多组并列设置的热合组件,每组热合组件包括加热架和加热管,热合组件在热合运动单元上上下运动；拉伸单元包括多组夹紧组件、竖直运动组件和水平运动组件,多组夹紧组件通过拉伸连接板可上下移动地连接在竖直运动组件上,竖直运动组件可水平运动地连接在水平运动组件上,拉伸单元通过水平运动组件设置在柜体内；控制单元与热合单元、热合运动单元、拉伸单元连接。本发明将加热、拉伸同步结合,边加热边拉伸,实现均匀拉伸,提高导管的各层的拉伸质量,提高导管的品质。(The invention belongs to the technical field of pipe processing, and particularly relates to automatic pipe stretching and laminating equipment which comprises a cabinet body, a heat sealing unit, a heat sealing movement unit, a stretching unit and a control unit, wherein the heat sealing unit comprises a plurality of groups of heat sealing assemblies which are arranged in parallel, each group of heat sealing assemblies comprises a heating frame and a heating pipe, and the heat sealing assemblies move up and down on the heat sealing movement unit; the stretching unit comprises a plurality of groups of clamping assemblies, a vertical movement assembly and a horizontal movement assembly, the plurality of groups of clamping assemblies are connected to the vertical movement assembly in a vertically movable mode through a stretching connecting plate, the vertical movement assembly is connected to the horizontal movement assembly in a horizontally movable mode, and the stretching unit is arranged in the cabinet body through the horizontal movement assembly; the control unit is connected with the heat seal unit, the heat seal movement unit and the stretching unit. The invention synchronously combines heating and stretching, realizes uniform stretching while heating, improves the stretching quality of each layer of the catheter, and improves the quality of the catheter.)

1. The utility model provides a pipe automatic stretching laminating equipment, which is characterized in that, the intelligent cabinet comprises a cabinet body (1), the heat seal unit, the heat seal motion unit, tensile unit and the control unit, the heat seal unit includes the heat seal subassembly that the multiunit set up side by side, every group heat seal subassembly includes heating frame (2) and heating pipe (3), heating frame (2) are U type structure, including a riser and two diaphragms, heating pipe (3) central authorities are along the axial be equipped with the through-hole that supplies the pipe to pass through, heating pipe (3) are established between the both ends that the riser is kept away from to two diaphragms of heating frame (2), and on heating frame (2) that the through-hole of heating pipe (3) corresponds from top to bottom, all be equipped with the hole that supplies the pipe to pass through, heating frame (2) set up on the heat seal motion unit through the riser, the heat seal subassembly moves from top to bottom on the heat seal motion unit;

the stretching unit comprises a plurality of groups of clamping assemblies, a vertical movement assembly and a horizontal movement assembly, each group of clamping assemblies comprises a stretching connecting plate (7) and a plurality of clamping units arranged on the stretching connecting plate (7), each clamping unit comprises a pushing cylinder assembly and a clamping cylinder assembly, the pushing cylinder assembly comprises a pushing cylinder (4), the clamping cylinder assembly comprises a clamping cylinder (5) and a clamping claw (6), the pushing cylinder (4) is fixed on the stretching connecting plate (7), the clamping cylinder (5) is movably connected on the stretching connecting plate (7), a pushing rod of the pushing cylinder (4) is connected with the clamping cylinder (5), one end, far away from the pushing cylinder (4), of the clamping cylinder (5) is provided with the clamping claw (6), the groups of clamping assemblies can be connected on the vertical movement assembly in a vertically moving mode through the stretching connecting plate (7), the vertical movement assembly can be connected on the horizontal movement assembly in a horizontally moving mode, the stretching unit is arranged in the cabinet body (1) through the horizontal movement assembly and is positioned in front of the heat sealing unit;

the control unit is connected with the heat seal unit, the heat seal movement unit and the stretching unit, and the heat seal unit, the heat seal movement unit, the stretching unit and the control unit are all connected with the cabinet body (1).

2. The automatic pipe stretching and fitting equipment according to claim 1, wherein the heating pipe (3) comprises a heating pipe body (301), a copper cylinder (302) and a temperature sensor (303), the copper cylinder (302) is arranged in the heating pipe body (301), a through hole for the pipe to pass through is arranged in the axial direction of the copper cylinder (302), the temperature sensor (303) is arranged on the copper cylinder (302), and the temperature sensor (303) is connected with the control unit;

the heating pipe (3) is connected to the heating frame (2) through two heating pillars (8); guide blocks (9) are arranged at the positions of the two ends of the heating frame (2) where holes for the guide pipes to pass through are formed, the guide blocks (9) are provided with holes for the guide pipes to pass through, and the diameters of the holes in the guide blocks (9) are smaller than the diameters of the holes for the guide pipes to pass through in the heating frame (2) and the heating pipe (3); the heating device is provided with a heat seal support (10), the heating support (2) is connected to the heat seal support (10), and the heat seal support (10) is connected to the heat seal movement unit.

3. The automatic pipe stretching and sticking apparatus according to claim 2, wherein said heat sealing unit further comprises a heat sealing cover (11), said heat sealing cover (11) is of a U-shaped structure comprising a long cover plate and two identical short cover plates, said long cover plate covers a plurality of sets of heat sealing components arranged on one side of said heating pipe (3), said two short cover plates cover said heat sealing components on both ends, and a heat sealing cover frame (12) is arranged to connect said heat sealing cover (11) to said heat sealing frame (10).

4. The automatic stretching and laminating equipment for the guide pipe according to claim 1, wherein the pushing cylinder assembly further comprises a throttle valve I (13), a tee joint I (14), a solenoid valve I (15) and a pressure gauge I (16), the throttle valve I (13), the solenoid valve I (15) and the pressure gauge I (16) are respectively connected with three ports of the tee joint I (14), and the solenoid valve I (15) is connected with the pushing cylinder (4); the clamping cylinder assembly further comprises a throttling valve II (17), a tee joint II (18), an electromagnetic valve II (19) and a pressure gauge II (20), the throttling valve II (17), the electromagnetic valve II (19) and the pressure gauge II (20) are respectively connected with three ports of the tee joint II (18), the electromagnetic valve II (19) is connected with the clamping cylinder (5), a clamping slide rail (21) is arranged on the stretching connecting plate (7), a clamping slide block (22) is arranged on the clamping slide rail (21), the clamping slide block (22) is fixedly connected with the lower end of the clamping cylinder (5), and a silica gel pad (23) is arranged on the inner side of the clamping claw (6).

5. The automatic pipe stretching and fitting equipment according to claim 1, wherein the vertical movement assembly comprises a vertical movement module I (24), a vertical movement module II (25), a vertical synchronous box (26) and a vertical movement driving assembly, the vertical movement module I (24) and the vertical movement module II (25) are symmetrically connected to two ends of the vertical synchronous box (26) through lower ends, the vertical movement module I (26) synchronously moves vertically through the vertical synchronous box (26), the vertical movement driving assembly is arranged at the upper end of the vertical movement module I (24) and drives the vertical movement module I (24) and the vertical movement module II (25) to vertically move, and two ends of each stretching connecting plate (7) are respectively connected with corresponding positions on the vertical movement module I (24) and the vertical movement module II (25) in a vertically movable manner; the horizontal motion assembly comprises a horizontal motion module I (27), a horizontal motion module II (28), a horizontal synchronization box (29) and a horizontal motion driving assembly, the horizontal motion module I (27) and the horizontal motion module II (28) are symmetrically connected to two ends of the horizontal synchronization box (29) through one end, horizontal motion is synchronized through the horizontal synchronization box (29), the horizontal motion driving assembly is arranged at the other end of the horizontal motion module I (27), and the horizontal motion module I (27) and the horizontal motion module II (28) are driven to move horizontally; the vertical motion assembly is arranged on a stretching frame (30), and the upper end and the lower end of the stretching frame (30) are connected to the horizontal motion module I (27) and the horizontal motion module II (28) in a horizontally movable mode.

6. The automatic pipe stretching and laminating device according to claim 1, further comprising a clamping assembly fixedly arranged at the upper section of the heat sealing movement unit, wherein the clamping assembly comprises a clamping frame (31), clamping cylinders (32) and clamping claws (33), the number of the clamping cylinders (32) is the same as that of the heat sealing assemblies, the clamping cylinders (32) are arranged on the clamping frame (31), the clamping claws (33) are arranged at the lower ends of the clamping cylinders (32), the clamping assembly is arranged above the heat sealing assemblies, and each clamping cylinder (32) is opposite to the position of each heat sealing assembly.

7. The automatic pipe stretching and pasting apparatus according to claim 1, wherein said heat sealing movement unit comprises a heat sealing movement driving unit and a heat sealing linear module (34), the heat sealing movement driving unit is disposed at a lower end of the heat sealing linear module (34), said heat sealing unit is connected to the heat sealing linear module (34) in a movable manner, and the heat sealing movement driving unit drives the heat sealing unit to move on the heat sealing linear module (34); and the upper section and the lower section of the heat seal linear module (34) are respectively provided with a limit sensor (35).

8. The automatic pipe stretching and laminating device according to claim 1, wherein the control unit comprises a control box (36), an electric box (37), a touch assembly and a pneumatic claw switch assembly, the touch assembly comprises a touch screen (38), the touch screen (38) is connected to the cabinet body (1) through a touch support (39), the pneumatic claw switch assembly comprises a pneumatic claw switch plate (40) and a plurality of pneumatic claw switches (41), the pneumatic claw switches (41) are arranged on the pneumatic claw switch plate (40), the number of the pneumatic claw switches (41) is the same as that of the heat sealing assemblies, the touch screen (38), the pneumatic claw switches (41) and the electric box (37) are all connected with the control box (36), and the control box (36) is connected with the heat sealing assemblies and the heat sealing movement unit.

9. The automatic pipe stretching and fitting equipment according to claim 1, wherein a cabinet door (42) is arranged on the cabinet body (1), a cabinet door sensor (43) is arranged on the cabinet body (1) inside the cabinet door (42), and the cabinet door sensor (43) is contacted when the cabinet door (42) is closed.

Technical Field

The invention belongs to the technical field of catheter processing, and particularly relates to automatic stretching and fitting equipment for a catheter.

Background

In the fabrication of catheters having a multilayer structure, PTFE materials are often used. The PTFE has a wide application temperature range, can be applied to the temperature of minus 180 ℃ to 250 ℃ for a long time under normal pressure, and has small change of mechanical properties after being treated at the high temperature of 250 ℃ for 1000 hours. PTFE has very low friction factor, is a good antifriction and self-lubricating material, has a static friction coefficient smaller than a dynamic friction coefficient, and has the advantages of small resistance and smooth running. PTFE is often used for catheter liners because it is non-polar, heat resistant and non-hygroscopic. After the ultra-thin PTFE catheter is manually sleeved on the mandrel, the ultra-thin PTFE catheter needs to be stretched evenly towards two sides. The ultra-thin PTFE tube was attached to the mandrel surface. In the operation process, the stretching force is not controllable, and the stretching force is insufficient, so that the ultrathin PTFE catheter is not attached to the mandrel. The ultra-thin PTFE catheter is stretched too much due to the excessive stretching force, and the surface of the ultra-thin PTFE catheter is whitened, so that the performance of the ultra-thin PTFE catheter is influenced.

Disclosure of Invention

In order to solve the technical problem, the invention provides automatic stretching and attaching equipment for a catheter, which enables the catheter to be uniformly stretched towards two sides.

The invention is realized in this way, provide a conduit automatic stretching laminating apparatus, including the cabinet body, heat seal unit, heat seal movement unit, stretching unit and control unit, the heat seal unit includes the hot seal assembly that the multiunit sets up side by side, each hot seal assembly includes heating shelf and heating pipe, the heating shelf is a U-shaped structure, including a riser and two diaphragm, there are through holes for conduit to pass through in the heating pipe centre along the axial, the heating pipe is set up between two ends far away from riser of two diaphragm of the heating shelf, and on the heating shelf that the through hole of the heating pipe corresponds up and down, the heating shelf is set up on the heat seal movement unit through the riser, the heat seal assembly moves up and down on the heat seal movement unit;

the stretching unit comprises a plurality of groups of clamping assemblies, a vertical motion assembly and a horizontal motion assembly, each group of clamping assemblies comprises a stretching connecting plate and a plurality of clamping units arranged on the stretching connecting plate, each clamping unit comprises a pushing air cylinder assembly and a clamping air cylinder assembly, the pushing air cylinder assembly comprises a pushing air cylinder, the clamping air cylinder assembly comprises a clamping air cylinder and a clamping claw, the pushing air cylinder is fixed on the stretching connecting plate, the clamping air cylinder is movably connected on the stretching connecting plate, a pushing rod of the pushing air cylinder is connected with the clamping air cylinder, one end of the clamping air cylinder, far away from the pushing air cylinder, is provided with the clamping claw, the plurality of groups of clamping assemblies can be connected on the vertical motion assembly in a vertically movable mode through the stretching connecting plate, the vertical motion assembly can be connected on the horizontal motion assembly in a horizontally movable mode, the stretching unit is arranged in the cabinet body through the horizontal motion assembly, and is positioned in front of the heat seal unit;

the control unit is connected with the heat seal unit, the heat seal movement unit and the stretching unit, and the heat seal unit, the heat seal movement unit, the stretching unit and the control unit are all connected with the cabinet body.

Preferably, the heating pipe comprises a heating pipe body, a copper cylinder and a temperature sensor, the copper cylinder is arranged in the heating pipe body, a through hole for the guide pipe to pass through is formed in the axial direction of the copper cylinder, the temperature sensor is arranged on the copper cylinder, and the temperature sensor is connected with the control unit;

the heating pipe is connected to the heating frame through two heating pillars; the guide blocks are arranged at the positions of the holes for the guide pipes to pass through, which are arranged at the two ends of the heating frame, the holes for the guide pipes to pass through are arranged on the guide blocks, and the diameter of the holes on the guide blocks is smaller than that of the holes for the guide pipes to pass through on the heating frame and the heating pipe; the heating frame is connected to the heat seal support, and the heat seal support is connected to the heat seal movement unit.

Preferably, the heat sealing unit further comprises a heat sealing cover which is of a U-shaped structure and comprises a long cover plate and two identical short cover plates, the long cover plate covers one side of the heating pipe with the plurality of groups of heat sealing components, the two short cover plates cover the heat sealing components at two ends, and a heat sealing cover frame is arranged to connect the heat sealing cover to the heat sealing support.

Preferably, the pushing cylinder assembly further comprises a throttle valve I, a tee joint I, a solenoid valve I and a pressure gauge I, wherein the throttle valve I, the solenoid valve I and the pressure gauge I are respectively connected with three ports of the tee joint I, and the solenoid valve I is connected with the pushing cylinder; the clamping cylinder component further comprises a throttle valve II, a tee joint II, a solenoid valve II and a pressure gauge II, the throttle valve II, the solenoid valve II and the pressure gauge II are respectively connected with three ports of the tee joint II, the solenoid valve II is connected with the clamping cylinder, a clamping slide rail is arranged on the stretching connecting plate, a clamping slide block is arranged on the clamping slide rail and fixedly connected with the lower end of the clamping cylinder, and a silica gel pad is arranged on the inner side of the clamping claw.

Preferably, the vertical motion assembly comprises a vertical motion module I, a vertical motion module II, a vertical synchronous box and a vertical motion driving assembly, the vertical motion module I and the vertical motion module II are symmetrically connected to two ends of the vertical synchronous box through lower ends and synchronously vertically move through the vertical synchronous box, the vertical motion driving assembly is arranged at the upper end of the vertical motion module I and drives the vertical motion module I and the vertical motion module II to vertically move, and two ends of each stretching connecting plate are respectively connected with corresponding positions on the vertical motion module I and the vertical motion module II in a vertically movable manner; the horizontal motion assembly comprises a horizontal motion module I, a horizontal motion module II, a horizontal synchronization box and a horizontal motion driving assembly, wherein the horizontal motion module I and the horizontal motion module II are symmetrically connected to two ends of the horizontal synchronization box through one end and synchronously move horizontally through the horizontal synchronization box; the vertical motion assembly is arranged on the stretching frame, and the upper end and the lower end of the stretching frame are connected to the horizontal motion module I and the horizontal motion module II in a horizontally movable mode.

The heat seal assembly comprises a heat seal movement unit, a heat seal assembly and a clamping assembly, wherein the heat seal movement unit is arranged on the heat seal movement unit, the clamping assembly comprises a clamping frame, clamping cylinders and clamping claws, the number of the clamping cylinders is the same as that of the heat seal assembly, the clamping cylinders are arranged on the clamping frame, the clamping claws are arranged at the lower ends of the clamping cylinders, the clamping assembly is arranged above the heat seal assembly, and the position of each clamping cylinder is opposite to that of each heat seal assembly.

Preferably, the heat sealing movement unit comprises a heat sealing movement driving assembly and a heat sealing linear module, the heat sealing movement driving assembly is arranged at the lower end of the heat sealing linear module and can be connected to the heat sealing linear module in a vertically movable mode, and the heat sealing movement driving assembly drives the heat sealing assembly to move on the heat sealing linear module; and the upper section and the lower section of the heat seal linear module are respectively provided with a limit sensor.

Preferably, the control unit comprises a control box, an electric box, a touch assembly and a pneumatic claw switch assembly, the touch assembly comprises a touch screen, the touch screen is connected to the cabinet body through a touch support, the pneumatic claw switch assembly comprises a pneumatic claw switch plate and a plurality of pneumatic claw switches, the pneumatic claw switches are arranged on the pneumatic claw switch plate, the number of the pneumatic claw switches is equal to that of the heat sealing assemblies, the touch screen, the pneumatic claw switches and the electric box are all connected with the control box, and the control box is connected with the heat sealing assemblies and the heat sealing movement unit.

Further preferably, a cabinet door is arranged on the cabinet body, a cabinet door sensor is arranged on the cabinet body on the inner side of the cabinet door, and the cabinet door sensor is contacted with the cabinet door sensor when the cabinet door is closed.

Compared with the prior art, the invention has the advantages that:

1. the automation of the manufacturing and stretching of the multilayer catheter is realized;

2. heating and stretching are synchronously combined, and the heating and stretching are carried out simultaneously, so that uniform stretching is realized, the stretching quality of each layer of the catheter is improved, and the quality of the catheter is improved.

Drawings

FIG. 1 is a general structure diagram of an automatic stretching and bonding apparatus for a catheter according to the present invention;

FIG. 2 is an overall view of the heat seal unit;

FIG. 3 is an exploded view of the heat seal unit;

FIG. 4 is a view showing the structure of a heating pipe;

FIG. 5 is an overall view of the drawing unit;

FIG. 6 is a perspective view of the clamping assembly I;

FIG. 7 is a perspective view II of the clamping assembly;

FIG. 8 is a perspective view III of the clamping assembly;

FIG. 9 is a block diagram of the vertical motion assembly;

FIG. 10 is a block diagram of a horizontal motion assembly;

FIG. 11 is a view of the clamp assembly;

FIG. 12 is a view showing a structure of a heat seal movement unit;

fig. 13 is a cabinet structure view.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3 and 5, an automatic pipe stretching and attaching device comprises a cabinet body 1, a heat sealing unit, a heat sealing movement unit, a stretching unit and a control unit, wherein the heat sealing unit comprises a plurality of groups of heat sealing assemblies arranged in parallel, each group of heat sealing assemblies comprises a heating frame 2 and a heating pipe 3, the heating frame 2 is of a U-shaped structure and comprises a vertical plate and two transverse plates, a through hole for a pipe to pass through is formed in the center of the heating pipe 3 along the axial direction, the heating pipe 3 is arranged between two ends, far away from the vertical plate, of the two transverse plates of the heating frame 2, holes for the pipe to pass through are formed in the heating frame 2 corresponding to the through hole of the heating pipe 3 up and down, the heating frame 2 is arranged on the heat sealing movement unit through the vertical plate, and the heat sealing assemblies move up and down in the heat sealing movement unit;

the stretching unit comprises a plurality of groups of clamping assemblies, a vertical movement assembly and a horizontal movement assembly, each group of clamping assemblies comprises a stretching connecting plate 7 and a plurality of clamping units arranged on the stretching connecting plate 7, each clamping unit comprises a pushing cylinder assembly and a clamping cylinder assembly, the pushing cylinder assembly comprises a pushing cylinder 4, the clamping cylinder assembly comprises a clamping cylinder 5 and a clamping claw 6, the pushing cylinder 4 is fixed on the stretching connecting plate 7, the clamping cylinder 5 is movably connected on the stretching connecting plate 7, a pushing rod of the pushing cylinder 4 is connected with the clamping cylinder 5, one end, far away from the pushing cylinder 4, of the clamping cylinder 5 is provided with the clamping claw 6, the plurality of groups of clamping assemblies are connected on the vertical movement assembly in a vertically movable mode through the stretching connecting plate 7, the vertical movement assembly is connected on the horizontal movement assembly in a horizontally movable mode, the stretching unit is arranged in the cabinet body 1 through the horizontal movement assembly, And is positioned in front of the heat seal unit;

the control unit is connected with the heat seal unit, the heat seal movement unit and the stretching unit, and the heat seal unit, the heat seal movement unit, the stretching unit and the control unit are all connected with the cabinet body 1.

When the device provided by the invention is used for stretching and pasting the outer layer of the catheter, the PTFE catheter is sleeved into the mandrel, and the length of the PTFE tube is not less than that of the mandrel. The control unit is used for setting the heat sealing temperature of the guide pipe, and the movement speed and the movement length of the heat sealing unit from top to bottom. The heat seal unit starts to work, the heating pipe 3 works, when the temperature reaches a preset value, the heating pipe 3 stops working, the prepared pipe penetrates through the corresponding heating pipe 3 and the heating frame 2 from bottom to top, the upper part of the pipe is fixed, a plurality of groups of clamping assemblies move to the front of the heat seal unit, the clamping cylinder 5 extends forwards under the pushing of the pushing cylinder 4, the clamping cylinder 5 controls the clamping claw 6 to clamp the PTFE pipe only, the heat seal movement unit is started to move downwards through the control unit, and the stretching unit vertical movement assembly moves downwards slowly along with the downward movement of the heat seal movement unit. When the heat seal unit approaches the clamp assembly, the clamp assembly releases the PTFE tube and the clamp cylinder 5 retracts. The other clamping assemblies maintain the clamped state. After the unit reaches the preset length, all the units are returned to the original position by the control unit, and the stretched conduit is taken down.

Referring to fig. 4, as a specific structure of the heating tube, the heating tube 3 includes a heating tube body 301, a copper cylinder 302 and a temperature sensor 303, the copper cylinder 302 is disposed in the heating tube body 301, a through hole for a conduit to pass through is disposed in an axial direction of the copper cylinder 302, the temperature sensor 303 is disposed on the copper cylinder 302, and the temperature sensor 303 is connected to the control unit;

when heating, the heating tube body 301 is heated electrically, then heat is conducted to the copper cylinder 302, and heat sealing is carried out on the conduit through the heat radiation effect of the copper cylinder 302. The temperature of the heating pipe 3 is collected by the temperature sensor 303 and transmitted to the control unit, and the control unit controls the temperature of the heating pipe 3.

In order to facilitate installation and optimize arrangement, the heating pipe 3 is connected to the heating frame 2 through two heating pillars 8; the positions of the two ends of the heating frame 2, which are provided with holes for the guide pipes to pass through, are provided with guide blocks 9, the guide blocks 9 are provided with holes for the guide pipes to pass through, and the diameters of the holes in the guide blocks 9 are smaller than the diameters of the holes for the guide pipes to pass through in the heating frame 2 and the heating pipe 3; the heating device is provided with a heat seal support 10, a heating frame 2 is connected to the heat seal support 10, and the heat seal support 10 is connected to the heat seal movement unit.

During insertion of the guide tube into the heating tube 3, the guide tube is positioned by the small hole in the guide block 9 so that it can be correctly inserted into the hole in the middle of the heating tube 3.

In order to form protection and prevent people from being injured in the operation process, as an improvement of the technical scheme, the heat sealing unit further comprises a heat sealing cover 11, the heat sealing cover 11 is of a U-shaped structure and comprises a long cover plate and two identical short cover plates, the long cover plate covers a plurality of groups of heat sealing components on one side of the heating pipe 3, the two short cover plates cover the heat sealing components on two ends, and a heat sealing cover frame 12 is arranged to connect the heat sealing cover 11 to the heat sealing support 10.

Referring to fig. 6, 7 and 8, in order to control the pushing cylinder 4 and the clamping cylinder 5, as an improvement of the technical scheme, the pushing cylinder assembly further comprises a throttle valve i 13, a tee joint i 14, a solenoid valve i 15 and a pressure gauge i 16, wherein the throttle valve i 13, the solenoid valve i 15 and the pressure gauge i 16 are respectively connected with three ports of the tee joint i 14, and the solenoid valve i 15 is connected with the pushing cylinder 4; the clamping cylinder assembly further comprises a throttling valve II 17, a tee joint II 18, an electromagnetic valve II 19 and a pressure gauge II 20, the throttling valve II 17, the electromagnetic valve II 19 and the pressure gauge II 20 are respectively connected with three ports of the tee joint II 18, the electromagnetic valve II 19 is connected with the clamping cylinder 5, a clamping slide rail 21 is arranged on the stretching connecting plate 7, a clamping slide block 22 is arranged on the clamping slide rail 21, the clamping slide block 22 is fixedly connected with the lower end of the clamping cylinder 5, and a silica gel pad 23 is arranged on the inner side of the clamping claw 6.

The trachea of control push cylinder 4 is controlled push cylinder 4 through choke valve I13, tee bend I14, I15 of solenoid valve, monitors pressure through manometer I16, and the trachea of control die clamping cylinder 5 is controlled die clamping cylinder 5 through choke valve II 17, tee bend II 18, II 19 of solenoid valve, monitors pressure through manometer II 20. In the process that the pushing cylinder 4 pushes the clamping cylinder 5 to move, the clamping cylinder 5 slides on the clamping slide rail 21 through the clamping slide block 22, and the silica gel pad 23 is arranged to prevent the conduit from being damaged by clamping. For integrated arrangement, a clamping support plate 44 is fixed on the stretching connecting plate 7, a throttle valve I13, a tee joint I14, a solenoid valve I15 and a pressure gauge I16 are arranged on one side surface of the clamping support plate 44, and a throttle valve II 17, a tee joint II 18, a solenoid valve II 19 and a pressure gauge II 20 are arranged on the other side surface of the clamping support plate 44.

As a specific setting mode of the vertical movement assembly and the horizontal movement assembly, referring to fig. 9 and 10, the vertical movement assembly comprises a vertical movement module i 24, a vertical movement module ii 25, a vertical synchronization box 26 and a vertical movement driving assembly, the vertical movement module i 24 and the vertical movement module ii 25 are symmetrically connected to two ends of the vertical synchronization box 26 through lower ends, and are synchronously vertically moved through the vertical synchronization box 26, the vertical movement driving assembly is arranged at the upper end of the vertical movement module i 24 and drives the vertical movement module i 24 and the vertical movement module ii 25 to vertically move, and two ends of each stretching connecting plate 7 are respectively connected with corresponding positions on the vertical movement module i 24 and the vertical movement module ii 25 in a vertically movable manner;

the vertical motion driving assembly comprises a vertical motor 45, a vertical speed reducer 46, a vertical motor support box 47, the vertical motion module comprises a vertical lead screw, a vertical moving block and a vertical limiting rod, the vertical motor 45 is connected with the vertical speed reducer 46, the vertical speed reducer 46 is connected with the vertical lead screw of the vertical motion module I24 through the vertical motor support box 47, the vertical lead screw is driven to rotate, the vertical lead screw of the vertical motion module I24 drives the vertical lead screw of the vertical motion module II 25 to rotate through a vertical synchronizing box 26, so that the vertical moving blocks on the two vertical lead screws are synchronously driven to vertically move in a limiting groove of the vertical limiting rod, and a plurality of clamping units on the stretching connecting plate 7 are driven to vertically move.

The horizontal motion assembly comprises a horizontal motion module I27, a horizontal motion module II 28, a horizontal synchronization box 29 and a horizontal motion driving assembly, wherein the horizontal motion module I27 and the horizontal motion module II 28 are symmetrically connected to two ends of the horizontal synchronization box 29 through one end and synchronously move horizontally through the horizontal synchronization box 29, and the horizontal motion driving assembly is arranged at the other end of the horizontal motion module I27 and drives the horizontal motion module I27 and the horizontal motion module II 28 to move horizontally; the vertical motion assembly is arranged on a stretching frame 30, and the upper end and the lower end of the stretching frame 30 are connected to a horizontal motion module I27 and a horizontal motion module II 28 in a horizontally movable mode.

Horizontal motion drive assembly includes horizontal motor 48, horizontal reducer 49, horizontal motor support box 50, the horizontal motion module includes horizontal lead screw, horizontal moving block and horizontal gag lever post, horizontal reducer 49 is connected to horizontal motor 48, horizontal reducer 49 passes through horizontal motor support box 50 and the horizontal lead screw connection of horizontal motion module I27, it rotates to drive horizontal lead screw, horizontal lead screw that horizontal motion module I27 passes through horizontal synchronization box 29 and drives horizontal lead screw rotation of horizontal motion module II 28, thereby horizontal moving block horizontal motion at the spacing inslot of horizontal gag lever post on two horizontal lead screws of synchronous drive, thereby it is horizontal motion to drive tensile frame 30.

In order to fix the position of the conduit in the heat sealing process, as an improvement of the technical scheme, referring to fig. 11, the heat sealing device further comprises a clamping assembly, wherein the clamping assembly is fixedly arranged at the upper section of the heat sealing movement unit and comprises a clamping frame 31, clamping cylinders 32 and clamping claws 33, the number of the clamping cylinders 32 is the same as that of the heat sealing assemblies, the clamping cylinders 32 are arranged on the clamping frame 31, the clamping claws 33 are arranged at the lower ends of the clamping cylinders 32, the clamping assembly is arranged above the heat sealing assembly, and each clamping cylinder 32 is opposite to the position of each heat sealing assembly.

When the guide pipe extends out of the heating pipe 3 to the position of the clamping claw 33, the clamping cylinder 32 controls the clamping claw 33 to clamp the upper end of the guide pipe, so that the guide pipe is fixed. Preferably, three gripper jaws 33 are provided at the lower end of each gripper cylinder 32. The clamping cylinder 32 is connected to the control unit.

As a specific implementation manner of the heat-sealing movement unit, referring to fig. 12, the heat-sealing movement unit includes a heat-sealing movement driving component and a heat-sealing linear module 34, the heat-sealing movement driving component is disposed at a lower end of the heat-sealing linear module 34, the heat-sealing component is connected to the heat-sealing linear module 34 in a manner of being capable of moving up and down, and the heat-sealing movement driving component drives the heat-sealing component to move on the heat-sealing linear module 34; and a limit sensor 35 is respectively arranged at the upper section and the lower section of the heat seal linear module 34.

The heat seal motion driving component comprises a heat seal motor 51 and a heat seal reducer 52, the heat seal linear module 34 comprises a heat seal lead screw, a heat seal sliding block and a heat seal limiting rod, and the heat seal motor 51 drives the heat seal lead screw to rotate through the heat seal reducer 52, so that the heat seal sliding block moves up and down on the heat seal lead screw along a groove on the heat seal limiting rod. When the heat-sealing assembly moves to the upper or lower end of the heat-sealing linear block 34, a signal is transmitted to the control unit through the limit sensor 35.

Specifically, in order to form specific control over each working unit, referring to fig. 1, the control unit includes a control box 36, an electric box 37, a touch component and a pneumatic claw switch component, the touch component includes a touch screen 38, the touch screen 38 is connected to the cabinet body 1 through a touch support 39, the pneumatic claw switch component includes a pneumatic claw switch plate 40 and a plurality of pneumatic claw switches 41, the pneumatic claw switches 41 are arranged on the pneumatic claw switch plate 40, the number of the pneumatic claw switches 41 is the same as that of the heat sealing components, the touch screen 38, the pneumatic claw switches 41 and the electric box 37 are all connected to the control box 36, and the control box 36 is connected to the heat sealing components and the heat sealing movement unit.

A single chip microcomputer is arranged in the control box 36 to carry out overall control on the device, each power utilization component is supplied with power through the electric box 37, parameter setting is carried out on the touch screen 38 through an operator, set parameters are transmitted to the control box 36, and the control box 36 controls other components according to the set parameters; each pneumatic claw switch 41 controls the operation of one clamping cylinder 32 correspondingly, and which clamping cylinder 32 is operated by the pneumatic claw switch 41 is determined according to the number of pipes to be heat-sealed.

For the safety of work, the whole working components are arranged in the cabinet body 1, and after the cabinet body 1 is closed, the components start to be started, referring to fig. 13, a cabinet door 42 is arranged on the cabinet body 1, a cabinet door sensor 43 is arranged on the cabinet body 1 at the inner side of the cabinet door 42, and the cabinet door sensor 43 is contacted with the cabinet door sensor 43 when the cabinet door 42 is closed.