CN113953738A

CN113953738A - Link gear of head cutting equipment

Info

Publication number: CN113953738A
Application number: CN202111283156.1A
Authority: CN
Inventors: 彭伟超; 袁志明
Original assignee: Dezhou Sean Cnc Equipment Co ltd
Current assignee: Dezhou Sean Cnc Equipment Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-01-21

Abstract

The invention discloses a linkage mechanism of end socket cutting equipment, which has the beneficial effects that an anti-collision device is added in the technical scheme, and when a cutting gun collides with the surface of an end socket due to manual misoperation or equipment failure, a cutting gun clamp can be separated from a cutting gun mounting seat, and at the moment, a proximity switch can be disconnected, so that the cutting gun stops running. After the cutting gun leaves the surface of the end socket, the cutting gun clamp and the cutting gun can be installed and positioned again through the pressure spring and the conical positioning pin, and the upper layer and the lower layer can be guaranteed to be separated and then accurately reset for the second time under the action of the pressure spring, so that the equipment can run continuously. Therefore, the problem of damage of the cutting gun can be avoided, and the use continuity of the cutting equipment is effectively improved.

Description

Link gear of head cutting equipment

Technical Field

The invention relates to the technical field of end socket cutting, in particular to a linkage mechanism of end socket cutting equipment.

Background

The seal head is provided with holes, the holes are cut manually by marking and positioning, and the welding groove needs to be processed for the second time, so that the production efficiency is low and the precision is poor. With the development of the times, the prior manual cutting mode can not meet the requirements of social development, and an automatic seal head cutting machine which can finish seal head contour measurement, automatically identify the central opening position of a seal head, automatically position and directly finish welding a groove at one time is urgently needed to fill the technical blank of the industry. Because the surface of the end socket is a space curved surface, the cutting gun is required to be always kept at any position to form a required welding groove angle with the curved surface of the end socket when the automatic cutting of the welding groove is finished directly at one time, the contour of the end socket can be scanned, the position of the end socket can be automatically identified, the center of the end socket is determined, the end socket can be placed on a workbench at will, the preparation time for cutting the end socket is shortened, and the processing production efficiency is improved. Therefore, a linkage mechanism which is used for installing and driving control of a cutting gun on a head cutting device and can complete measurement of a head contour and automatically identify the center of a head is needed, and the scheme is generated in view of the deep research aiming at the problems.

Disclosure of Invention

The technical scheme of the invention for realizing the aim is as follows: a linkage mechanism of a head cutting device, comprising: the cutting gun comprises a cutting gun fixing seat and a machining support, wherein a U-shaft swing mechanism is installed on the machining support, the cutting gun fixing seat is connected to the U-shaft swing mechanism through a V-shaft swing mechanism, a cutting gun fixing mechanism is installed on the cutting gun fixing seat, and a seal head contour measurement sensing mechanism is installed on the cutting gun fixing mechanism;

the U-axis slewing mechanism comprises: the device comprises a U-shaft driving motor, a U-shaft speed reducer, a U-shaft fixing seat, a U-shaft transmission driving gear, a U-shaft transmission driven gear and a gear protection cover;

the U-shaft driving motor is installed on the processing support, the U-shaft speed reducer is installed on a driving end of the U-shaft driving motor, the U-shaft fixing seat is installed on the U-shaft speed reducer, the U-shaft driving gear is installed on the driving end of the U-shaft speed reducer, the U-shaft driving driven gear is movably inserted on the U-shaft fixing seat through a shaft, the U-shaft driving driven gear is meshed with the U-shaft driving gear, and the gear protection cover is installed on the U-shaft fixing seat.

Preferably, the V-axis slewing mechanism includes: the V-axis driving mechanism comprises a V-axis fixing seat, a V-axis driving motor assembly, a V-axis driving driven belt wheel, a V-axis driving belt, a V-axis speed reducer and a motor protective cover;

the V-axis driving mechanism comprises a V-axis fixing seat, a U-axis driving driven gear, a V-axis driving motor assembly, a V-axis speed reducer, a V-axis driving driven belt wheel, a V-axis driving belt and a motor protection cover, wherein the V-axis fixing seat is installed on the U-axis driving driven gear, the V-axis driving motor assembly is installed on the V-axis fixing seat, the V-axis driving driven belt wheel is installed on the V-axis speed reducer, the V-axis driving belt is sleeved on the V-axis driving motor assembly and the V-axis driving driven belt wheel, and the motor protection cover is installed on the V-axis fixing seat.

Preferably, the cutting gun fixing mechanism comprises: the cutting torch comprises a cutting torch mounting seat, a cutting torch clamp, a proximity switch, a pressure spring and a conical positioning pin;

the cutting torch fixing seat is installed on the V-axis speed reducer, the cutting torch mounting seat is installed on the cutting torch fixing seat, the cutting torch fixture is installed on the cutting torch mounting seat, the proximity switch, the pressure spring and the conical positioning pin are installed on the cutting torch fixture, and the pressure spring is abutted to the cutting torch fixture.

Preferably, the seal head profile measurement sensing mechanism includes: the laser profile measuring device comprises a sensor base and a laser profile measuring sensor;

the sensor seat is arranged on the cutting gun clamp, and the laser profile measuring sensor is arranged on the sensor seat.

Preferably, the V-axis driving motor assembly includes: the V-axis driving motor and the V-axis transmission driving belt wheel;

the V-axis driving motor is installed on the V-axis fixing seat, the V-axis transmission driving belt wheel is installed on the driving end of the V-axis driving motor, and the V-axis transmission belt is sleeved on the V-axis transmission driving belt wheel and the V-axis transmission driven belt wheel.

Preferably, the cutting gun fixing seat is connected to the U-axis slewing mechanism through a V-axis slewing lifting mechanism;

the V-axis rotary lifting mechanism comprises: the device comprises a V-axis daily-shaped lifting block, a lifting driving machine, a V-axis lifting block, a V-axis lifting threaded rod, a V-axis lifting threaded pipe, a V-axis lifting driving motor, a V-axis lifting transmission driving belt wheel, a V-axis lifting transmission driven belt wheel, a V-axis lifting transmission belt, a V-axis lifting speed reducer and a motor lifting protective cover;

the V-axis daily-shaped lifting block is arranged on a U-axis transmission driven gear, the lifting driver is arranged on the inner side of the V-axis daily-shaped lifting block, the V-axis lifting threaded rod is inserted into the inner side of the V-axis daily-shaped lifting block through a bearing and connected to the driving end of the lifting driver, the V-axis lifting threaded pipe is inserted into the V-axis daily-shaped lifting block and sleeved on the V-axis lifting threaded rod, the V-axis lifting driving motor is arranged on the V-axis lifting block, the V-axis lifting reducer is arranged on the V-axis lifting block, the V-axis lifting driving motor is arranged on the V-axis lifting block, the V-axis lifting driving belt pulley is arranged on the V-axis lifting driving motor, and the V-axis lifting driven belt pulley is arranged on the V-axis lifting reducer, the V-axis lifting transmission belt is sleeved on the V-axis lifting transmission driving belt wheel and the V-axis lifting transmission driven belt wheel, and the motor lifting protective cover is installed on the V-axis daily-shaped lifting block.

Preferably, the V-axis daily-shaped lifting block is provided with a pair of lifting limiting shafts, and the pair of lifting limiting shafts are respectively inserted into the V-axis lifting block.

Preferably, the V-axis lifting block is provided with a pair of lifting sliders, a pair of lifting slideways are respectively arranged on the inner sides of the V-axis lifting block, and the pair of lifting sliders are respectively movably inserted into the inner sides of the pair of lifting slideways.

Preferably, the V-axis daily-shaped lifting block is provided with a sealing rubber mat and a pair of telescopic folding plates.

Preferably, a plurality of lifting ball grooves are formed in the inner sides of the pair of lifting slideways respectively, and lifting balls are arranged on the inner sides of the plurality of lifting ball grooves respectively.

According to the linkage mechanism of the end socket cutting equipment manufactured by the technical scheme, the surface of the end socket is a space curved surface, and the plasma cutting gun rotates around the U shaft and the V shaft through the U shaft rotating mechanism and the V shaft rotating mechanism, so that the control of multiple dimensions of the cutting gun is realized, the cutting gun can always keep forming a required welding groove angle with the curved surface of the end socket surface, and the problem of directly finishing automatic cutting of the welding groove at one time required by cutting the end socket of the end socket cutting machine is solved.

This technical scheme has increased collision device, because human misoperation or equipment break down cause the burning torch and the head surface collision, burning torch anchor clamps will separate with the burning torch mount pad, and proximity switch will break off this moment, burning torch stop motion. After the cutting gun leaves the surface of the end socket, the cutting gun clamp and the cutting gun can be installed and positioned again through the pressure spring and the conical positioning pin, and the upper layer and the lower layer can be guaranteed to be separated and then accurately reset for the second time under the action of the pressure spring, so that the equipment can run continuously. Therefore, the problem of damage of the cutting gun can be avoided, and the use continuity of the cutting equipment is effectively improved.

According to the technical scheme, the seal head profile measuring sensor is additionally arranged, the seal head can be placed on the workbench at will, the position of the bottom edge of the seal head is measured through the profile measuring sensor, the center of the seal head is automatically determined, and the surface profile of the seal head can be scanned through the profile measuring sensor, so that the cutting machine can automatically compensate the seal head machining error, and the cutting precision is ensured.

Drawings

Fig. 1 is a schematic structural view of a linkage mechanism of the seal head cutting equipment in a front view.

Fig. 2 is a schematic view of a U-axis swing mechanism of a linkage mechanism of the head cutting equipment according to the present invention.

Fig. 3 is a schematic view of a V-axis slewing mechanism of a linkage mechanism of the head cutting equipment according to the present invention.

Fig. 4 is a schematic view of a cutting gun fixing mechanism of a linkage mechanism of the seal head cutting equipment.

Fig. 5 is a schematic front view of a V-axis rotary lifting mechanism of a linkage mechanism of the head cutting equipment of the present invention.

Fig. 6 is a schematic side view of a V-axis rotary lifting mechanism of a linkage mechanism of the head cutting equipment according to the present invention.

In the figure: 1. a U-axis slewing mechanism; 11. a U-axis drive motor; 12. a U-axis reducer; 13. a U-axis fixing seat; 14. the U shaft drives the driving gear; 15. the U shaft drives the driven gear; 16. a gear shield; 2. a V-axis slewing mechanism; 21. a V-axis fixing seat; 22. a V-axis drive motor assembly; 221. a V-axis drive motor; 222. the V shaft drives the driving belt pulley; 23. a V-axis drive belt; 24. the V shaft drives a driven belt wheel; 25. a V-axis reducer; 26. a motor protective cover; 3. a cutting gun fixing seat; 31. a cutting gun mounting seat; 32. a cutting gun clamp; 33. a proximity switch; 34. a pressure spring; 35. a conical locating pin; 4. a seal head profile measurement sensing mechanism; 41. a sensor seat; 42. a laser profile measurement sensor; 5. a V-axis rotary lifting mechanism; 511. a V-axis daily-shaped lifting block; 512. a lift drive; 513. a V-axis lifting block; 514. a V-axis lifting threaded rod; 515. a V-axis lifting threaded pipe; 516. a V-axis lifting driving motor; 517. a V-axis lifting transmission driving belt wheel; 518. the V shaft drives the driven belt wheel in a lifting way; 519. a V-axis lifting transmission belt; 520. v axle lift speed reducer.

Detailed Description

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Example 1

As shown in fig. 1-2, a U-axis swing mechanism 1 is installed on the processing support, the burning torch fixing seat 3 is connected to the U-axis swing mechanism 1 through a V-axis swing mechanism 2, a burning torch fixing mechanism is installed on the burning torch fixing seat 3, and a seal head contour measurement sensing mechanism 4 is installed on the burning torch fixing mechanism;

specifically, the U-axis swing mechanism 1 includes: the device comprises a U-axis driving motor 11, a U-axis speed reducer 12, a U-axis fixing seat 13, a U-axis transmission driving gear 14, a U-axis transmission driven gear 15 and a gear protection cover 16;

specifically, the U-axis driving motor 11 is mounted on the processing bracket, the U-axis speed reducer 12 is mounted on a driving end of the U-axis driving motor 11, the U-axis fixing seat 13 is mounted on the U-axis speed reducer 12, the U-axis driving gear 14 is mounted on the driving end of the U-axis speed reducer 12, the U-axis driving driven gear 15 is movably inserted into the U-axis fixing seat 13 through an axis, the U-axis driving driven gear 15 is in gear engagement with the U-axis driving gear 14, and the gear protection cover 16 is mounted on the U-axis fixing seat 13.

When the U-shaft driving mechanism is used, the U-shaft fixing seat 13 is connected with a processing support, the U-shaft driving motor 11 is installed on the U-shaft fixing seat 13, the U-shaft driving motor 11 is connected with the U-shaft speed reducer 12, so that the U-shaft speed reducer 12 can output proper torque, and the rotating stability is guaranteed, the U-shaft driving gear 14 is installed on the U-shaft speed reducer 12, the U-shaft driving gear 14 is in gear meshing transmission connection with the U-shaft transmission driven gear 15, and therefore the U-shaft transmission driven gear 15 is driven to rotate, the bearing is a precise bearing, the rotating clearance is greatly reduced, the transmission precision is improved, and the U-shaft rotating precision is guaranteed. The gear protection cover 16 is arranged outside the U-axis transmission driving gear 14 and the U-axis transmission driven gear 15 and connected with the U-axis fixing seat 13, so that dust and the like are prevented from being attached to the U-axis transmission driving gear 14 and the U-axis transmission driven gear 15, and people are prevented from being injured by gear meshing transmission.

Example 2

As shown in fig. 3, the V-axis slewing mechanism 2 includes: the device comprises a V-axis fixing seat 21, a V-axis driving motor assembly 22, a V-axis transmission driven belt pulley 24, a V-axis transmission belt 23, a V-axis speed reducer 25 and a motor protective cover 26;

specifically, the V-axis fixing seat 21 is installed on the U-axis transmission driven gear 15, the V-axis driving motor assembly 22 is installed on the V-axis fixing seat 21, the V-axis speed reducer 25 is installed on the V-axis fixing seat 21, the V-axis transmission driven pulley 24 is installed on the V-axis speed reducer 25, the V-axis transmission belt 23 is sleeved on the V-axis driving motor assembly 22 and the V-axis transmission driven pulley 24, and the motor protection cover 26 is installed on the V-axis fixing seat 21.

During the use, V axle fixing base 21 is connected with U axle transmission driven gear 15, then U axle transmission driven gear 15 can drive V axle rotating part and rotate together. The V-axis driving mechanism is characterized in that a V-axis driving motor assembly 22 is installed on the V-axis fixing seat 21, a V-axis speed reducer 25 is installed on the V-axis fixing seat 21, and a V-axis driving driven belt pulley 24 is installed on the V-axis speed reducer 25, so that the V-axis speed reducer 25 is driven to convey proper torque. The speed reducer adopts a precise speed reducer, so that the rotating clearance is greatly reduced, and the transmission precision is improved, thereby ensuring the rotating precision of the V shaft. The motor protective cover 26 is arranged outside the V-axis driving motor assembly 22, the V-axis driving belt 23 and the V-axis driving driven belt wheel 24 and connected with the V-axis fixed seat, so that the belt driving is prevented from hurting people.

Example 3

As shown in fig. 4, the cutting torch fixing mechanism includes: the cutting gun comprises a cutting gun mounting seat 31, a cutting gun clamp 32, a proximity switch 33, a pressure spring 34 and a conical positioning pin 35;

specifically, the burning torch fixing seat 3 is installed on the V-axis speed reducer 25, the burning torch mounting seat 31 is installed on the burning torch fixing seat 3, the burning torch fixture 32 is installed on the burning torch mounting seat 31, the proximity switch 33, the pressure spring 34 and the conical positioning pin 35 are installed on the burning torch fixture 32, and the pressure spring 34 abuts against the burning torch fixture 32.

During the use, burning torch fixing base 3 includes burning torch mount pad 31, burning torch anchor clamps 32, proximity switch 33, pressure spring 34 and circular cone locating pin 35, burning torch mount pad 31 is connected with V axle speed reducer 25, then V axle speed reducer 25 can drive burning torch fixing base 3 and rotate together, be equipped with the burning torch on the burning torch anchor clamps 32, from this through the cooperation of U axle and V axle, can make the burning torch realize radial and axial rotation simultaneously, fixed pressure spring 34 and circular cone locating pin 35 of being provided with on the burning torch anchor clamps 32, pressure spring 34 offsets with burning torch anchor clamps 32, install proximity switch 33 on the burning torch anchor clamps 32.

In addition, the purpose of this design has played the effect of anticollision, when the burning torch bumps with the head surface, corresponding burning torch anchor clamps 32 will separate with burning torch mount pad 31, it will break off to be close the trompil this moment, the burning torch stop motion, the burning torch leaves workpiece surface thick, can make burning torch anchor clamps 32 and biography burning torch mount pad 31 sell again through pressure spring 34 and circular cone locating pin 35 this moment and fix a position, and can guarantee under the effect of pressure spring 34 that upper and lower two-layer throw off the back secondary and carry out accurate return, so that equipment can run continuously, and can avoid the burning torch to damage.

Example 4

As shown in fig. 4, the seal head profile measurement sensing mechanism 4 includes: a sensor base 41 and a laser profile measuring sensor 42;

specifically, the sensor base 41 is mounted on the burning torch holder 32, and the laser profile measuring sensor 42 is mounted on the sensor base 41.

When the laser contour measuring device is used, the sensor base 41 is connected with the cutting gun clamp 32, the laser contour measuring sensor 42 is arranged on the sensor base 41, and then the laser contour measuring sensor 42 can rotate together with the cutting gun fixing seat 3.

Example 5

As shown in fig. 1-2, the V-axis driving motor assembly 22 includes: a V-axis drive motor 221 and a V-axis drive pulley 222;

specifically, the V-axis driving motor 221 is installed on the V-axis fixing seat 21, the V-axis driving pulley 222 is installed on a driving end of the V-axis driving motor 221, and the V-axis driving belt 23 is sleeved on the V-axis driving pulley 222 and the V-axis driving driven pulley 24.

When in use, the V-axis driving motor assembly 22 comprises a V-axis driving motor 221 and a V-axis driving pulley 222, the V-axis driving pulley 222 is connected with the V-axis driving motor 221, so that the V-axis driving pulley 222 can output a proper torque, thereby ensuring the stability of rotation, and the V-axis driving pulley 222 is in transmission connection with the V-axis driving driven pulley 24 through a transmission belt.

Example 6

As shown in fig. 5-6, the burning torch fixing seat 3 is connected to the U-axis swing mechanism 1 through a V-axis swing lifting mechanism 5;

specifically, the V-axis rotating and lifting mechanism 5 includes: the device comprises a V-axis daily-shaped lifting block 511, a lifting driver 512, a V-axis lifting block 513, a V-axis lifting threaded rod 514, a V-axis lifting threaded pipe 515, a V-axis lifting driving motor 516, a V-axis lifting transmission driving pulley 517, a V-axis lifting transmission driven pulley 518, a V-axis lifting transmission belt 519, a V-axis lifting speed reducer 520 and a motor lifting protective cover;

specifically, the V-axis daily-shaped lifting block 511 is mounted on the U-axis transmission driven gear 15, the lifting driver 512 is mounted on the inner side of the V-axis daily-shaped lifting block 511, the V-axis lifting threaded rod 514 is inserted into the inner side of the V-axis daily-shaped lifting block 511 through a bearing, the V-axis lifting threaded rod 514 is connected to the driving end of the lifting driver 512, the V-axis lifting threaded pipe 515 is inserted into the V-axis daily-shaped lifting block 511, the V-axis lifting threaded pipe 515 is sleeved on the V-axis lifting threaded rod 514, the V-axis lifting driving motor 516 is mounted on the V-axis lifting block 513, the V-axis lifting speed reducer 520 is mounted on the V-axis lifting block 513, the V-axis lifting driving motor 516 is mounted on the V-axis lifting block 513, and the V-axis lifting transmission driving pulley 517 is mounted on the V-axis lifting driving motor 516, the V-axis lifting transmission driven belt wheel 518 is installed on the V-axis lifting speed reducer 520, the V-axis lifting transmission belt 519 is sleeved on the V-axis lifting transmission driving belt wheel 517 and the V-axis lifting transmission driven belt wheel 518, and the motor lifting protective cover is installed on the V-axis daily-shaped lifting block 511.

When the device is used, the lifting driver 512 in the V-axis daily-shaped lifting block 511 operates to drive the V-axis lifting threaded rod 514 on the driving end of the lifting driver 512 to rotate, the V-axis lifting threaded pipe 515 on the lifting driver is driven to rotate by the V-axis lifting threaded rod 514, the V-axis lifting block 513 on the lifting driver is driven by the V-axis lifting threaded pipe 515, the V-axis lifting driving motor 516 and the V-axis lifting speed reducer 520 on the lifting driver are driven to lift by the V-axis lifting block 513, the cutting gun fixing mechanism and the seal head profile measurement sensing mechanism 4 are driven to lift by the V-axis lifting speed reducer 520, the V-axis lifting driving belt wheel 517 on the lifting driver is driven by the V-axis lifting driving driver 512 to drive the V-axis lifting driving belt 519 on the lifting driver to rotate, the V-axis lifting driving driven belt 518 on the lifting driver is driven to rotate by the V-axis lifting driver, and the V-axis lifting speed reducer 520 on the lifting driver is driven to rotate by the V-axis lifting driver, thereby achieving the cutting gun fixing mechanism.

Preferably, the V-axis lifting block 511 is provided with a pair of lifting limiting shafts, and the pair of lifting limiting shafts are respectively inserted into the V-axis lifting block 513.

Preferably, the V-axis lifting block 513 is provided with a pair of lifting sliders, a pair of lifting slideways are respectively arranged inside the pair of V-axis rectangular lifting blocks 511, and the pair of lifting sliders are respectively movably inserted inside the pair of lifting slideways.

Preferably, the V-axis lifting block 511 is provided with a sealing rubber pad and a pair of telescopic folding plates.

Preferably, a plurality of lifting ball grooves are respectively formed in the inner sides of the pair of lifting slideways, and lifting balls are respectively arranged on the inner sides of the plurality of lifting ball grooves.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A linkage mechanism of a head cutting device, comprising: the cutting torch comprises a cutting torch fixing seat and a processing support, and is characterized in that the processing support is provided with a U-axis swing mechanism, the cutting torch fixing seat is connected to the U-axis swing mechanism through a V-axis swing mechanism, the cutting torch fixing seat is provided with a cutting torch fixing mechanism, and the cutting torch fixing mechanism is provided with an end enclosure profile measurement sensing mechanism;

2. The linkage mechanism of a head cutting device according to claim 1, wherein the V-axis slewing mechanism comprises: the V-axis driving mechanism comprises a V-axis fixing seat, a V-axis driving motor assembly, a V-axis driving driven belt wheel, a V-axis driving belt, a V-axis speed reducer and a motor protective cover;

3. The linkage mechanism of a head cutting device according to claim 1, wherein the cutting torch fixing mechanism comprises: the cutting torch comprises a cutting torch mounting seat, a cutting torch clamp, a proximity switch, a pressure spring and a conical positioning pin;

4. The linkage mechanism of a head cutting device according to claim 1, wherein the head profile measurement sensing mechanism comprises: the laser profile measuring device comprises a sensor base and a laser profile measuring sensor;

5. The linkage mechanism of a head cutting device according to claim 1, wherein the V-axis driving motor assembly comprises: the V-axis driving motor and the V-axis transmission driving belt wheel;

6. A linkage mechanism of a head cutting device according to claim 1, wherein the cutting torch fixing seat is connected to the U-axis swing mechanism through a V-axis swing lifting mechanism;

7. The linkage mechanism of a head cutting device according to claim 1, wherein a pair of lifting limiting shafts is arranged on the V-shaft daily-shaped lifting block, and the pair of lifting limiting shafts are respectively inserted on the V-shaft lifting block.

8. The linkage mechanism of a head cutting device according to claim 1, wherein a pair of lifting sliders is arranged on the V-axis lifting block, a pair of lifting slideways are respectively arranged on the inner sides of the pair of V-axis lifting blocks, and the pair of lifting sliders is respectively and movably inserted into the inner sides of the pair of lifting slideways.

9. A linkage mechanism of a head cutting device according to claim 1, wherein the V-axis daily-shaped lifting block is provided with a sealing rubber gasket and a pair of telescopic folding plates.

10. The linkage mechanism of a head cutting device according to claim 1, wherein a plurality of lifting ball grooves are respectively arranged on the inner sides of a pair of the lifting slideways, and lifting balls are respectively arranged on the inner sides of the plurality of the lifting ball grooves.