CN214115586U

CN214115586U - Mute high-speed pneumatic cutter with damping device, cutting device and cutting equipment

Info

Publication number: CN214115586U
Application number: CN202022638176.3U
Authority: CN
Inventors: 王炜棠
Original assignee: Dongguan Emma Cnc Technology Co ltd
Current assignee: Dongguan Emma Cnc Technology Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-09-03
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a take damping device's high-speed pneumatics of silence sword, cutting device and cutting equipment, pneumatic sword includes: admit air axle, exhaust axle, motion subassembly, draw together damper, damper includes: preceding shock attenuation cover, spring, interior knife pouch, axle sleeve, the motion subassembly is integrated in interior knife pouch, and interior knife pouch has a knife section of thick bamboo axle with the outside cladding of arbor, sets up the axle sleeve between the outer wall of interior knife pouch and the inner wall of knife section of thick bamboo axle, sets up preceding shock attenuation cover between the outer wall of arbor and the inner wall of knife section of thick bamboo axle, and the arbor still overlaps and is equipped with the spring, and the spring is spacing in the front between shock attenuation cover and the interior knife pouch, and the motion subassembly is integrated inside knife pouch, exhaust shaft and the axle that admits air, include: the reversing mechanism comprises a moving element, a reversing block, a reversing plug rod and a reversing sleeve, wherein the reversing sleeve is arranged in the inner cutter sleeve, and when the moving element in the inner cutter sleeve operates, the high-frequency vibration is generated, and the reversing block reverses to an axial direction and pushes the reversing plug rod to move axially in the reversing sleeve. The utility model discloses can reduce resonance, noise reduction effectively.

Description

Mute high-speed pneumatic cutter with damping device, cutting device and cutting equipment

Technical Field

The utility model relates to a numerical control leather cutting technique especially relates to a high-speed pneumatic sword of silence, cutting device and cutting equipment of damping device of production efficiency height, can reduce resonance, noise reduction, speed faster effectively.

Background

In the existing leather cutting and blanking process, the applicant has developed a pneumatic moving knife cutting technology, so that the production efficiency is effectively improved, the production quality is guaranteed, the pneumatic moving knife cutting technology can be easily applied to mass production, and the labor intensity of workers is reduced.

However, with the increasing living standard of people, the pursuit of comfort level of work and life has higher requirements. In the existing leather cutting and blanking process, when a pneumatic knife works, the pneumatic knife performs high-frequency reciprocating motion due to the piston inside a motion assembly, so that high-frequency vibration is generated, all connecting pieces are directly transmitted through a knife cylinder shaft, resonance is generated, part collision generates sound as a result of resonance, namely, noise reaches above 80dB (A), larger noise is generated, certain environmental protection problems are generated in a production workshop, and more importantly, the noise seriously influences the comfort and physical and psychological health of workers during working.

Therefore, there is a need for a silent high-speed pneumatic knife with a damping device, a cutting device and a cutting apparatus with high production efficiency, which can effectively reduce resonance and noise and have higher speed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a production efficiency is high, can reduce resonance, noise reduction, faster high-speed pneumatic sword of taking damping device's silence, cutting device and cutting equipment are effectively.

In a first aspect, the utility model provides a technical scheme does: the utility model provides a take damping device's high-speed pneumatic sword of silence includes: the high-pressure gas coming from the gas inlet shaft drives the motion assembly to move and is exhausted from the gas exhaust shaft;

the damper mechanism includes: the movable assembly is integrated in the inner cutter sleeve, a cutter barrel shaft is wrapped outside the inner cutter sleeve and a cutter shaft, the shaft sleeve is arranged between the outer wall of the inner cutter sleeve and the inner wall of the cutter barrel shaft, the front damping sleeve is arranged between the outer wall of the cutter shaft and the inner wall of the cutter barrel shaft, the spring is further sleeved on the cutter shaft, and the spring is limited between the front damping sleeve and the inner cutter sleeve; it is characterized in that the preparation method is characterized in that,

the motion subassembly is integrated inside interior broach shell, exhaust axle and the axle of admitting air, includes: the reversing mechanism comprises a moving element, a reversing block, a reversing plug rod and a reversing sleeve, wherein the reversing sleeve is arranged in the inner cutter sleeve, when the moving element in the inner cutter sleeve operates, high-frequency vibration is generated, and the reversing block reverses the high-frequency vibration into an axial direction and pushes the reversing plug rod to move axially in the reversing sleeve.

A positioning sleeve is arranged at the joint of the exhaust shaft and the inner cutter sleeve in a wrapping mode, and a silencing ring is arranged between the outer wall of the exhaust shaft and the inner wall of the positioning sleeve.

And a shock pad is also arranged between the inner wall of the silencing ring and the outer wall of the air inlet shaft.

The air inlet shaft is provided with a pressure shaft ring at the position close to the rear end, and is limited and sealed by a Y-shaped sealing ring.

The pressure collar is the structure that inside was equipped with a recess, the end of admitting air axle gets into carry on spacingly in the recess, the recess is equipped with fenestrate structure for the tank bottom, outside gas connection pass through the perforation with the rear end of admitting air axle is connected.

The pressure collar is of a tubular structure, the tail end of the air inlet shaft penetrates through the pressure collar, and the external air interface is connected with the rear end of the air inlet shaft.

In a second aspect, the present invention provides a cutting device, the cutting device comprises a silent high-speed pneumatic knife with a damping device.

A third aspect of the present invention provides a cutting apparatus, comprising a silent high-speed pneumatic knife with a damping device.

Compared with the prior art, the damper mechanism includes: the movable assembly is integrated in the inner cutter sleeve, the shaft sleeve is arranged between the outer wall of the inner cutter sleeve and the inner wall of the cutter barrel shaft, the front damping sleeve is arranged between the outer wall of the cutter shaft and the inner wall of the cutter barrel shaft, the spring is further sleeved on the cutter shaft, and the spring is limited between the front damping sleeve and the inner cutter sleeve. Therefore, when the cutter shaft assembly moves, the high-frequency vibration is generated, and the reversing block reverses the high-frequency vibration to the axial direction and pushes the reversing plug rod to move axially in the reversing sleeve. The vibration absorption device is guided by the front damping sleeve, the shaft sleeve and the Y-shaped sealing ring, the vibration direction is guided to be axial, and the vibration absorption effect is achieved through the elastic characteristics of the spring and the damping pad. Thereby reducing the transmission of vibrations to the cartridge shaft, and the attached components. The vibration transmitted by the cutter barrel shaft is reduced, so that the resonance is reduced, and the noise is relatively reduced.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

Fig. 1 is a schematic view showing an embodiment of the mute high-speed pneumatic knife with a damping device according to the present invention.

Fig. 2 is a schematic view showing a state of the silent high-speed air knife with the damper device shown in fig. 1.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout. As described above, as shown in fig. 1 and 2, firstly, the mute high-speed pneumatic knife 100 with a damping device provided by the embodiment of the present invention includes: the gas cutting machine comprises a gas inlet shaft 12, a gas exhaust shaft 6, a moving assembly (not shown in the figure), a cutter shaft 15, a cutter 16 and a damping mechanism, wherein high-pressure gas entering from the gas inlet shaft 12 drives the moving assembly to move and is exhausted from the gas exhaust shaft 6, the cutter shaft 15 is arranged at the front end of the moving assembly, the cutter 16 is arranged at the front end of the cutter shaft 15, the moving assembly drives the cutter 16 to cut through the cutter shaft 15, and the damping mechanism comprises: preceding shock attenuation cover 1, spring 2, interior knife pouch 4, axle sleeve 5, the motion subassembly is integrated in interior knife pouch 4, interior knife pouch 4 and the outside cladding of arbor 15 have a knife cylinder axle 3, the outer wall of interior knife pouch 4 with set up between the inner wall of knife cylinder axle 3 axle sleeve 5, the outer wall of arbor 15 with set up between the inner wall of knife cylinder axle 3 preceding shock attenuation cover 1, knife shaft 15 still overlaps and is equipped with spring 2, just spring 2 spacing in preceding shock attenuation cover 1 with between the interior knife pouch 4. The vibration absorption effect is achieved by the guide of the front damping sleeve 1, the shaft sleeve 5 and the Y-shaped sealing ring 10, the vibration direction of the motion element is guided to be axial, and the elastic characteristics of the spring 2 and the damping pad 8. Thereby reducing the transmission of vibrations to the cartridge shaft 3, and other connected components. The motion assembly is integrated inside the inner cutter sleeve 4, the exhaust shaft 6 and the air inlet shaft 12 and comprises: the tool comprises a moving element (not shown in the figure), a reversing block 20, a reversing plug rod 21 and a reversing sleeve 22, wherein the reversing sleeve 22 is arranged in the inner tool sleeve 4, when the moving element in the inner tool sleeve 4 operates, high-frequency vibration is generated, and the reversing block 20 reverses the high-frequency vibration to be axial and pushes the reversing plug rod 21 to move axially in the reversing sleeve 22. Wherein the effect of the moving element is to generate high frequency vibrations. Due to the elasticity of the spring and the shock pad, a quasi-floating state in the axial direction is formed. When the inner knife sleeve 4 is operated, the generated high-frequency vibration is generated, and the vibration direction of the moving element is axial due to the guiding function of the damping sleeve 1, the shaft sleeve 5 and the Y-shaped sealing ring 10, and the vibration absorption effect is achieved through the elastic characteristics of the spring 2 and the damping pad. Thereby reducing the transmission of vibrations to the cartridge shaft, and the attached components. When the vibration transmitted to the cutter cylinder shaft 3 is reduced, resonance is reduced at the same time, and the noise is relatively reduced at the same time. Compared with a pneumatic cutter without a damping structure, the noise point of the actual measurement effect is reduced by 4-6 dB (A) compared with the original noise point under the same performance.

In one embodiment, as shown in fig. 2, a positioning sleeve 14 is wrapped at the joint of the exhaust shaft 6 and the inner cutter sleeve 4, and a sound deadening ring 13 is arranged between the outer wall of the exhaust shaft 6 and the inner wall of the positioning sleeve 14. Through the silencing ring 13, the exhaust shaft 6 can be well eccentrically limited, the vibration direction is guided to be axial, and noise is effectively reduced.

In one embodiment, as shown in fig. 2, a shock absorbing pad 8 is further disposed between the inner wall of the sound deadening ring 13 and the outer wall of the intake shaft 12. The shock absorption pad 8 has the function of effectively preventing the tail end of the air inlet shaft 12 from guiding the vibration direction to be the axial direction when vibrating, and avoiding transverse vibration.

In one embodiment, as shown in fig. 2, the air inlet shaft 12 is provided with a pressure collar 11 near the rear end and is limited and sealed by a Y-shaped sealing ring 10. The function of the pressing collar 11 is to press the intake shaft 12.

In one embodiment, as shown in fig. 2, the pressure collar 11 is a structure having a groove 110 therein, the end of the air inlet shaft 12 enters the groove 110 for limiting, the groove 110 is a structure having a through hole 111 at the bottom, and the external air interface 17 is connected to the rear end of the air inlet shaft 12 through the through hole 111. Therefore, the pressure collar 11 plays a role in limiting the air inlet shaft 12, and meanwhile, the pressure collar 11 is also provided with a groove 110, and the groove 110 is provided with a through hole 111 at the bottom of the groove, so that the through hole 111 solves the problem of air inlet of the air inlet shaft 12.

In one embodiment, as shown in fig. 2, the compression collar 11 is a tubular structure, the end of the air inlet shaft 12 passes through the compression collar 11, and the external air interface 17 is connected with the rear end of the air inlet shaft 12.

It should be noted that the spring 2 can be replaced by various rubber materials, the shaft sleeve 5 can be replaced by guide parts such as a bearing, a piston ring and a guide sleeve, and the shock pad can be replaced by various rubber materials and springs and can also play a role in shock absorption.

The utility model discloses a change the size of switching-over cover, switching-over cock stem, case among the motion subassembly to reach the change and the stroke change of speed. The following designations are: three types of pneumatic blades, i.e., the No. 10 pneumatic blade, the No. 6 pneumatic blade, and the No. 13 pneumatic blade, are explained:

the No. 10 pneumatic knife is used as a standard, and the air source is the same.

Compared with a No. 10 pneumatic knife, the No. 6 pneumatic knife has the advantages that the reversing sleeve is shortened, the reversing plug rod is shortened, and the valve core is shortened, so that the speed is increased by 15%, and the stroke is shortened by 17%. The efficiency for cutting a single layer of material less than 3mm thick is improved.

Compared with a No. 10 pneumatic cutter, the No. 13 pneumatic cutter has the advantages that the stroke is increased by 40% and the speed is reduced by 10% by changing the length of the reversing sleeve, changing the length of the reversing plug rod and keeping the valve core unchanged, and the capacity of cutting materials with the total thickness of multiple layers smaller than 10mm is improved.

It should be noted that, the

pneumatic knives

10, 6 and 13 are only named by different serial numbers for the pneumatic knives of different specifications, and the serial numbers are random and do not limit the names of the pneumatic knives.

Therefore, the problems of speed increase and stroke shortening can be solved by changing the sizes of the reversing sleeve, the reversing plug rod and the valve core. To sum up, the utility model relates to a production efficiency is high, can reduce resonance, noise reduction, faster high-speed pneumatic sword of silence of taking damping device effectively.

In one embodiment, a cutting device is provided that includes the quiet high speed pneumatic blade with dampening 100.

In one embodiment, a cutting apparatus is provided that includes the quiet high speed pneumatic knife with dampening 100.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. A high-speed pneumatic sword of silence of taking damping device includes: the high-pressure gas coming from the gas inlet shaft drives the motion assembly to move and is exhausted from the gas exhaust shaft;

2. The quiet high-speed pneumatic cutter with the shock absorption device according to claim 1, wherein a positioning sleeve is wrapped at the joint of the exhaust shaft and the inner cutter sleeve, and a silencing ring is arranged between the outer wall of the exhaust shaft and the inner wall of the positioning sleeve.

3. A silent high-speed pneumatic cutter with a damping device as claimed in claim 2, wherein a damping pad is further provided between the inner wall of the silencing ring and the outer wall of the air inlet shaft.

4. A silent high-speed pneumatic cutter with a damping device as claimed in claim 1, wherein the air inlet shaft is provided with a pressure collar near the rear end and is limited and sealed by a Y-shaped sealing ring.

5. The quiet high-speed pneumatic cutter with the damping device according to claim 4, wherein the pressing ring collar has a structure with a groove therein, the end of the air inlet shaft enters the groove for limiting, the groove has a structure with a through hole at the bottom of the groove, and the external air port is connected with the rear end of the air inlet shaft through the through hole.

6. A quiet high-speed pneumatic knife with a damping device as claimed in claim 4, wherein the pressure collar is of a tubular structure, the end of the air inlet shaft passes through the pressure collar, and the external air port is connected with the rear end of the air inlet shaft.

7. A cutting device, characterized in that the cutting device comprises a silent high-speed pneumatic knife with a damping device according to any one of claims 1-6.

8. A cutting apparatus, characterized in that it comprises a cutting device according to claim 7.