CN102235497A

CN102235497A - Air cylinder and punching machine using same

Info

Publication number: CN102235497A
Application number: CN2010101608463A
Authority: CN
Inventors: 阳柏林; 徐晓东
Original assignee: Shenzhen Futaihong Precision Industry Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2010-04-30
Filing date: 2010-04-30
Publication date: 2011-11-09
Anticipated expiration: 2030-04-30
Also published as: CN102235497B

Abstract

The invention relates to an air cylinder, which comprises a piston rod, a rear end cover, a cylinder barrel, a front end cover, a fixed piece and a shaft sleeve, wherein the piston rod comprises a through hole; the through hole is used for discharging wastes; the shaft sleeve is arranged in the front end cover; the rear end cover is connected with the front end cover by the cylinder barrel; the rear end cover, the front end cover and the cylinder barrel are sleeved on the piston rod; and the fixed piece is sleeved on the piston rod and is fixedly connected with the front end cover. The invention also relates to a punching machine with the air cylinder.

Description

Cylinder and use the perforating press of this cylinder

Technical field

The present invention relates to a kind of cylinder, relate in particular to a kind of cylinder that is used for perforating press.

Background technique

Along with automatic technology develops rapidly, the punching operation of various products can be finished by automatic punch machine, this equipment adopts cylinder as driving force mostly, yet, the stability of cylinder axial motion is difficult to reach requirement in punch process, and the eliminating waste system need be set in addition, influence process time, thereby increased cost of production.

Summary of the invention

In view of this, be necessary to provide a kind of stability higher and can get rid of the cylinder of waste material.

Also be necessary to provide a kind of perforating press with this cylinder.

This cylinder comprises a piston rod, a rear end cover, a cylinder barrel, a front cover, a fixed block and an axle sleeve, this piston rod comprises a through hole, this through hole is used to get rid of waste material, this axle sleeve is installed in the front cover, this rear end cover is connected by cylinder barrel with front cover, this rear end cover, front cover and cylinder barrel are sheathed on this piston rod jointly, and this fixed block is sheathed on the piston rod and with this front cover fixedlys connected.

A kind of perforating press, it comprises a cylinder, this cylinder comprises a piston rod, a rear end cover, a cylinder barrel, a front cover, a fixed block and an axle sleeve, this cylinder is connected with this perforating press by piston rod, for perforating press provides driving force, this piston rod comprises a through hole, this through hole is used to get rid of waste material, this axle sleeve is installed in the front cover, this rear end cover is connected by cylinder barrel with front cover, this rear end cover, front cover and cylinder barrel are sheathed on this piston rod jointly, and this fixed block is sheathed on the piston rod and with this front cover fixedlys connected.

Compare existing technology, described piston rod is a hollow type, is provided with the through hole of getting rid of waste material, can effectively prevent the vibration of piston rod by front cover and the axle sleeve of being located at front cover, reach accurate axial motion, thereby reach to-and-fro motion more stably at a high speed, improved manufacturing efficiency.

Description of drawings

Fig. 1 is the schematic perspective view for the preferred embodiment of cylinder of the present invention.

Fig. 2 is the perspective exploded view of cylinder shown in Figure 1.

Fig. 3 is the stereo dissected figure of cylinder shown in Figure 1.

The primary component symbol description

Piston rod	10
		Front end	101
Tail end	102
		Carrier	103
Groove	104
		Through hole	105
Mounting groove	106
		Rear end cover	12
First through hole	121
		First draw-in groove	122
Connecting end	123
		First joint	13
First vent	131
		Cushion pad	14
Sealing	15
		First seal ring	151
First draw-in groove	152
		Cylinder barrel	16
Internal thread	161
		Front cover	18
Second through hole	181
		The end	183
Second joint	20
		Second vent	201
Axle sleeve	22
		Sealing	24
The 3rd seal ring	241
		The 4th seal ring	242
Fixed block	26
		Third through-hole	261
End face	262
		Groove	263

Embodiment

See also Fig. 1 and Fig. 2, the cylinder of preferred embodiment of the present invention is used for the driving of perforating press and gets rid of waste material, and it comprises a piston rod 10, a rear end cover 12, first joint 13, cushion pad 14, seal ring 15, cylinder barrel 16, front cover 18, second joint 20, axle sleeve 22, Sealing 24 and fixed block 26.

See also Fig. 3, this piston rod 10 is roughly a cylindrical body, and it comprises a front end 101, a tail end 102 and carrier 103.This carrier 103 is for being located in the middle part of the cylindrical annular disk greater than piston rod 10 diameters.These carrier 103 outer rims are concaved with second ring groove 104 at interval.Offer through hole 105 along these piston rod 10 axis directions, it connects this front end 101 and tail end 102, in order to get rid of waste material.These piston rod 10 front ends 101 are concaved with the mounting groove 106 that connects with this through hole 105.

These rear end cover 12 shaft sections are the hollow disc of " ten " font, and it is provided with one first through hole 121 and a connecting end 123.Be concaved with first draw-in groove 122 on these first through hole, 121 inwalls.These connecting end 123 outer rims are provided with outside thread.

This first joint 13 is arranged at the outer rim of rear end cover 12, and it is provided with one first vent 131.This first vent 131 passes this connecting end 123 and communicates with the external world, and first joint 13 is connected with extraneous source of the gas.

This cushion pad 14 is one circular, and it is connected in rear end cover 12 1 ends, together is sheathed on this piston rod 10 with rear end cover 12.

Sealing part 15 is used to seal rear end cover 12 and cylinder barrel 16, and it comprises first seal ring 151 and 2 second seal rings 152, and this first seal ring 151 is placed in first draw-in groove 122, and 2 second seal rings 152 are placed in the groove 104.

This cylinder barrel 16 is the cylindrical shell that cylindrical two ends connect, and its two ends inwall is provided with internal thread 161.This cylinder barrel 16 is sheathed on the piston rod 10.

These front cover 18 shaft sections are the hollow disc of " ten " font, and it is provided with one second through hole 181 and an end 183.This second through hole 181 is a shoulder hole, and it can be sheathed on the piston rod 10.This end 183 is provided with outside thread.

This second joint 20 is located at this front cover 18 outer rims, and it is provided with one second vent 201.This second vent 201 passes this end 183 and communicates with the external world, and this second joint 20 is connected with extraneous source of the gas.

This axle sleeve 22 is a cylindrical tube shape, and it can be installed in this second through hole 181 and be sheathed on this piston rod 10 and close on front end 101 places, and it guarantees the kinematic accuracy of cylinder axial direction at work.

Sealing part 24 is used to seal front cover 18 and cylinder barrel 16, and it comprises the 3rd seal ring 241 and the 4th seal ring 242.The diameter of the 3rd seal ring 241 is less than the diameter of the 4th seal ring 242.

These fixed block 26 cross sections are "T"-shaped, and it is provided with a third through-hole 261 and an end face 262.These third through-hole 261 inwalls are concaved with second draw-in groove 264 of ccontaining the 4th seal ring 242.These third through-hole 261 peripheries of these end face 262 upper edges are concaved with groove 263, in order to install the 3rd seal ring 241.

During assembling, this cushion pad 14 together is sheathed on this piston rod 10 and with carrier 103 by tail end 102 with rear end cover 12 and supports, then cylinder barrel 16 is placed on the piston rod 10 by front end 101, internal thread 161 by cylinder barrel 16 1 ends is connected with the outside thread of rear end cover 12, and then this rear end cover 12 is fixing with cylinder barrel 16; The front cover 24 that will be equipped with axle sleeve 22 again is sheathed on this piston rod 10, and the outside thread of its end 183 is connected with the internal thread of these cylinder barrel 16 the other ends and this front cover 24 and cylinder barrel 16 are fixed; The cavity of gas is accommodated in this rear end cover 12, front cover 18 and cylinder barrel 16 formation one; This first vent 131 and second vent 201 are connected this cavity with source of the gas, at last this fixed block 26 is spoken on this front cover 24 by dowel fixes, finish this cylinder assembling.

This cylinder is installed on the perforating press, its front end 101 is connected with perforating press and is communicated with the waste material pipe by mounting hole 106, this tail end 102 with treat that punch workpiece offsets, when high compressed air alternately enters or discharge cavity from first joint 13 and second joint 20, and then promote piston rod 10 to-and-fro motion, realize punching, simultaneously to workpiece, this front end 101 provides adsorption force, and waste material is discharged through front end 101 by through hole 105 by tail end 102.

In the preferred embodiment of cylinder of the present invention, piston rod 10 is a hollow type, is provided with the through hole 105 of getting rid of waste material, can effectively prevent the vibration of piston rod 10 by front cover 18 and the axle sleeve 16 of being located at front cover 18, reach the accurate movement direction, thereby reach to-and-fro motion more stably at a high speed.

Claims

1. cylinder, it comprises a piston rod, a rear end cover, a cylinder barrel, a front cover and a fixed block, it is characterized in that: this cylinder also comprises an axle sleeve, this piston rod comprises a through hole, this through hole is used to get rid of waste material, and this axle sleeve is installed in the front cover, and this rear end cover is connected by cylinder barrel with front cover, this rear end cover, front cover and cylinder barrel are sheathed on this piston rod jointly, and this fixed block is sheathed on the piston rod and with this front cover fixedlys connected.

2. cylinder as claimed in claim 1 is characterized in that: this through hole is offered along piston rod axle center direction, and the piston rod outer rim is provided with carrier.

3. cylinder as claimed in claim 2 is characterized in that: this rear end cover is provided with first through hole and a connecting end that is used for sheathed piston rod, and the connecting end outer rim is provided with outside thread.

4. cylinder as claimed in claim 3 is characterized in that: this front cover is provided with second through hole and an end, and this second through hole is a shoulder hole, and this axle sleeve dress can be located in this second through hole and with front cover and be sheathed on the piston rod, and this end is provided with outside thread.

5. cylinder as claimed in claim 4, it is characterized in that: the two ends inwall that this cylinder barrel connects is provided with internal thread, this rear end cover is fixedlyed connected with this cylinder barrel two ends screw thread respectively by the end by connecting end and front cover, and this rear end cover, front cover and cylinder barrel form a cavity.

6. cylinder as claimed in claim 5, it is characterized in that: this cylinder also comprises first joint of being located at rear end cover and is located at this front cover second joint, this first joint offers and connects first vent extraneous and cavity, this second joint offers the connection external world and is connected with this first joint of second vent and the equal source of the gas of second joint of cavity, for the piston rod to-and-fro motion provides driving force.

7. cylinder as claimed in claim 4, it is characterized in that: be concaved with draw-in groove in first through hole of this rear end cover, this carrier outer rim is concaved with groove, and this cylinder also comprises second seal ring in the groove that is installed in first seal ring in first draw-in groove and is sheathed on carrier.

8. cylinder as claimed in claim 1 is characterized in that: this fixed block comprises that third through-hole and is provided with the end face of second draw-in groove, and this cylinder also comprises the 4th seal ring that is installed in the 3rd seal ring in the draw-in groove and is installed in third through-hole.

9. perforating press, it comprises a cylinder, this cylinder comprises a piston rod, a rear end cover, a cylinder barrel, a front cover and a fixed block, this cylinder is connected with this perforating press by piston rod, for perforating press provides driving force, it is characterized in that: this cylinder also comprises an axle sleeve, this piston rod comprises a through hole, this through hole is used to get rid of waste material, this axle sleeve is installed in the front cover, this rear end cover is connected by cylinder barrel with front cover, and this rear end cover, front cover and cylinder barrel are sheathed on this piston rod jointly, and this fixed block is sheathed on the piston rod and with this front cover fixedlys connected.

10. cylinder as claimed in claim 9, it is characterized in that: this cylinder also comprises first joint and second joint that is connected with extraneous source of the gas, this piston rod is provided with a front end, this front end is provided with the mounting hole that connects with through hole, be connected with perforating press and be communicated with the waste material pipe by mounting hole, high compressed air alternately enters or discharges the motion of cavity piston rod and by through hole waste material is discharged from first joint and second joint.