CN106351912B

CN106351912B - Cylinder

Info

Publication number: CN106351912B
Application number: CN201610874491.1A
Authority: CN
Inventors: 许环繁
Original assignee: Shenzhen Yongfushun Machinery Co Ltd
Current assignee: Shenzhen Yongfushun Machinery Co Ltd
Priority date: 2016-09-30
Filing date: 2016-09-30
Publication date: 2018-06-05
Anticipated expiration: 2036-09-30
Also published as: CN106351912A

Abstract

The present invention provides a kind of cylinder, includes cylinder barrel including cylinder body, the cylinder body, partition plate is provided with so that the cylinder barrel to be divided into the first accommodating cavity and the second accommodating cavity arranged side by side in the cylinder barrel；Distance piece is additionally provided in second accommodating cavity so that second accommodating cavity to be divided into the first host cavity and the second host cavity that are arranged side by side.The cylinder further includes one end actuator for being installed on the cylinder barrel and closing first accommodating cavity, one end is contained in first accommodating cavity and the sliding part abutted with the actuator；The cylinder further includes the first piston being contained in first host cavity, one end is connected to the First piston bar of the first piston and is contained in second host cavity second piston, one end are connected to the second piston bar of the second piston.Cutting force when cylinder provided by the invention adapts to product different distortion amount and chucking power is enough to support the product bear processing.

Description

Cylinder

【Technical field】

The present invention relates to cylinders used in CNC processing technique fields more particularly to CNC processing technologies.

【Background technology】

With the development of science and technology computer digital control machine tool (Computer Numerical Control, CNC) is in machine Application in tool processing is more and more extensive, and many products are all completed using the processing technology, for example, each electronic product Shell.

Generally use cylinder grips product to realize in CNC processing jigs.However, some productions to be processed Product due to having occurred and that deformation before processing than relatively thin, if still providing support force or clamping according to default theoretical value Power can cause product further to deform, and when processing taking-up product, product can be sprung back, and then lead to not ensure institute The processing dimension of converted products.

In consideration of it, it is really necessary to provide, one kind adapts to product different distortion amount and chucking power or support force cannot make production The cylinder of cutting force when product deform but are enough to support the product bear processing.

【The content of the invention】

Product different distortion amount is adapted to the object of the present invention is to provide one kind and chucking power or support force cannot make production The cylinder of cutting force when product deform but are enough to support the product bear processing.

To achieve these goals, the present invention provides a kind of cylinder, includes cylinder barrel including cylinder body, the cylinder body, described Partition plate is provided in cylinder barrel so that the cylinder barrel to be divided into the first accommodating cavity and the second accommodating cavity arranged side by side；Second accommodating cavity Distance piece is inside additionally provided with so that second accommodating cavity to be divided into the first host cavity and the second host cavity that are arranged side by side.It is described Cylinder further includes one end actuator for being installed on the cylinder barrel and closing first accommodating cavity, one end is contained in described first and holds Put chamber and the sliding part abutted with the actuator；It is described to close that the other end of the sliding part stretches out first accommodating cavity The other end of first accommodating cavity, and can relatively described partition plate slip；The actuator is used to drive the sliding part to away from institute It slides to fix processed product in the direction for stating actuator；The cylinder further includes first be contained in first host cavity Piston, one end be connected to the First piston bar of the first piston and the second piston being contained in second host cavity, One end is connected to the second piston bar of the second piston；The sliding part includes fixed part and is connected with the fixed part Support division；The one end of the First piston bar away from the first piston sets the first inclined-plane；The fixed part is provided with the 3rd Inclined-plane and the 3rd inclined-plane is identical with the angle of the bore axis with first inclined-plane with the angle of the bore axis； When the first piston is to close to partition plate direction movement, first inclined-plane is in contact with the 3rd inclined-plane and into one Step squeezes the 3rd inclined-plane so that the sliding part is moved to close to the direction of the actuator；When first inclined-plane is separate During three inclined-plane, the sliding part is slided to the direction away from the actuator until institute under the driving of the actuator It states and stops sliding when fixed part is in contact with product to be processed；The support division is from one end away from the fixed part towards institute The direction for stating fixed part offers semi-enclosed slide slot；The one end of the second piston bar away from the second piston is provided with Two opposite the second inclined-planes；The slide slot be provided with respectively with one-to-one two the 4th inclined-planes in two the second inclined-planes, And each 4th inclined-plane is identical with the angle of the bore axis with each second inclined-plane with the angle of the bore axis；Work as institute When stating second piston to close to partition plate direction movement, the second piston bar is gradually stretched into the slide slot, until every A second inclined-plane is in contact with corresponding 4th inclined-plane, so that the sliding part locking.

Compared with the prior art, for cylinder provided by the present invention in fixed product, the sliding part is in the actuator Under the action of be in contact with the product, and stop sliding when resist force and the driving force of the product balance each other, into And the cylinder is caused to adapt to the different deflection of the product and will not cause product that further deformation occurs.In addition, The cutting force when second piston bar prevents the sliding part from sliding to support the product bear processing.

【Description of the drawings】

Fig. 1 is the three-dimensional exploded view of the cylinder of a better embodiment provided by the invention.

Fig. 2 is the stereogram after the cylinder assembling shown in Fig. 1.

Fig. 3 is sectional view of the cylinder shown in Fig. 2 along A-A directions.

Fig. 4 is sectional view of the cylinder shown in Fig. 2 along B-B directions.

【Specific embodiment】

In order to which the purpose of the present invention, technical solution and advantageous effects is made to become apparent from understanding, below in conjunction with attached drawing and Specific embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification Mode is not intended to limit the present invention just for the sake of explaining the present invention.

- 3 are please referred to Fig.1, the cylinder 100 provided in present embodiment is contained in including cylinder body 10 and installing in cylinder body 10 First piston 20, one end is connected to the First piston bar 30, second piston 40, one end of first piston 20 and is connected to second piston 40 second piston bar 50, actuator 60 and sliding part 70.

10 substantially rectangular body of cylinder body, including cylinder barrel 11, protecgulum 12, rear cover 13 and sealing ring 14.It is set in cylinder barrel 11 There is partition plate 111 to divide cylinder barrel 11 for the first accommodating cavity 112 and the second accommodating cavity 113.Wherein, the first accommodating cavity 112 and second Axis direction laid out in parallel of the accommodating cavity 113 along cylinder barrel 11.First accommodating cavity 112 is used to accommodate sliding part 70.Cylinder barrel 11 also wraps Include the distance piece 114 being fixed in the second accommodating cavity 113.Second accommodating cavity 113 is divided be arranged side by side first by distance piece 114 115 and second host cavity 116 of host cavity.Wherein, the first host cavity 115 and the second host cavity 116 are generally cylindrical And first the axis of axis and cylinder barrel 11 of host cavity 115 and the second host cavity 116 be mutually parallel.In the present embodiment, First host cavity 115 is used to accommodate first piston 20 and part First piston bar 30；Second host cavity 116 is for collecting second Piston 40 and part second piston bar 50.Corresponding first host cavity 115 and the second host cavity are offered on partition plate 111 respectively 116 1111 and second through hole 1112 of first through hole to supply First piston bar 30 and second piston bar 50 to wear respectively.Into One step, cylinder barrel 11 is provided on the side wall of the second host cavity 116 to be received respectively with first host cavity 115 and second The first venthole 117 and the second venthole 118 that cavity volume 116 is connected are to respectively drive first piston 20 and second piston 40 movements.In the present embodiment, the quantity of the first venthole 117 and the second venthole 118 is 2.It is in addition, described close The side wall of second host cavity 116 is recessed inwardly to form mounting portion 119 to install actuator close to the part of the first accommodating cavity 112 60.In the present embodiment, the side wall opposite with mounting portion 119 of cylinder barrel 11 and mounting portion 119 are offered houses with first The opening 1191 that chamber 112 communicates is slided for sliding part 70 along the axis direction of opening 1191.In addition, mounting portion 119 is in opening 1191 both sides also offer mounting hole 1192 respectively.

Protecgulum 12 is generally circular, for closing cylinder barrel 11 close to one end of the first accommodating cavity 122.In present embodiment In, the quantity of protecgulum 12 is 2.Rear cover 13 is used to close the one end of cylinder barrel 11 away from first accommodating cavity 112.In this implementation In mode, rear cover 13 is generally circular, and quantity is 2, closes off first host cavity 115 and second host cavity 116.Sealing ring 14 is arranged between protecgulum 12 and cylinder barrel 11 further to seal cylinder barrel 11 in annular shape.It is to be appreciated that In other embodiments, sealing ring 14 can be omitted.

First piston 20 is contained in the first host cavity 115, and can be slided along the inner wall of the first host cavity 115.First lives One end of stopper rod 30 is connected to first piston 20, the other end stretched by first through hole 1111 in the first accommodating hole 112 and with cunning Moving part 70 contacts, and under the drive of first piston 20 sliding part 70 is driven to be slided to close to the direction of actuator 60.In this reality It applies in mode, First piston bar 30 is substantially cylindrical, and the one end of First piston bar 30 away from first piston 20 sets first tiltedly Face 31.First inclined-plane 31 and the axis of First piston bar 30 are set in angle.

Second piston 40 is contained in the second host cavity 116, and can be slided along the inner wall of the second host cavity 116.Second lives One end of stopper rod 50 is connected to second piston 40, and the other end is stretched by the second through hole 1112 in the first accommodating cavity 112, and The drive of two pistons 40 is contacted with sliding part 70, and then sliding part 70 can be prevented to continue to slide.In the present embodiment, second live Stopper rod 50 is in cylindrical shape, and the one end of second piston bar 50 away from second piston 40 is provided with two opposite the second inclined-planes 51. Two the second inclined-planes 51 are identical with the angle of the axis of second piston bar 50.

Actuator 60 is installed on mounting portion 119 to close one end of the first accommodating cavity 112.Actuator 60 includes fixed plate 61st, fixing piece 62 and elastic component 63.61 generally rectangular platy structure of fixed plate and with the shape phase of mounting portion 119 Match somebody with somebody.The both ends of fixed plate 61 offer mounting hole (not shown) with mounting fixing parts 62 respectively.In the present embodiment, fixing piece 62 be screw, and quantity is 2.One end of elastic component 63 is fixed between two mounting holes, and the other end is accommodated by opening 1191 It abuts that sliding part 70 is driven to slide in the first accommodating cavity 112 and with sliding part 70.In the present embodiment, elastic component 63 is Two springs.One end interval of elastic component 63 is fixed between two mounting holes of fixed plate 61, the other end and sliding part 70 It abuts that sliding part 70 is driven to slide with fixation product to be processed to the direction away from fixed plate 61.During assembling, fixing piece 62 Mounting hole and mounting hole 1192 are sequentially passed through, and then actuator 60 is installed on cylinder barrel 11.

Referring again to Fig. 4, sliding part 70 is partially housed in the first accommodating cavity 112 and abuts partition plate 111.Sliding part 70 One end is in contact with elastic component 63, and the other end under the driving of elastic component 63 can opposed separators 111 to away from elastic component 63 It slides to fix processed product (not shown) in direction.Sliding part 70 includes fixed part 71 and is supported with what fixed part 71 was connected Portion 72.Fixed part 71 is substantially in rectangular-shape, and for fixing product to be processed, center offers openings in the axial direction 711 is movable within for First piston bar 30.In the present embodiment, openings 711 close to 111 one side of partition plate shape with Shape away from 111 one side of partition plate is similar, and the opening area close to 111 one end of partition plate is more than opening away from 111 one side of partition plate Open area, so that the center of fixed part 71 forms the 3rd inclined-plane 712, and the 3rd inclined-plane 712 and cylinder at openings 711 The angle of 10 axis of body is identical with the angle of 10 axis of cylinder body with the first inclined-plane 31.Support division 72 is used to abut with elastic component 63, It offers semi-enclosed slide slot 721 from the direction of one end towards fixed part 71 away from fixed part 71, so that supporting Portion 72 forms two abutting parts 722 in face of one end of elastic component 63.Further, each abutting part 722 is recessed inwardly to form receipts Appearance portion 723 is to accommodate and abut elastic component 63.In the present embodiment, slide slot 721 close to 111 one side of partition plate shape with it is remote Shape from 111 one side of partition plate is similar, and the opening area close to 111 one side of partition plate is more than the opening away from 111 one side of partition plate Area, so that support division 72 forms the 4th opposite inclined-plane 724, and the 4th inclined-plane 724 and cylinder body at slide slot 721 The angle of 10 axis is identical with the angle of 10 axis of cylinder body with the second inclined-plane 51.In addition, the width of slide slot 721 is by abutting part 722 are gradually reduced to the direction of fixed part 71.

In use, when the direction of first piston 20 to close partition plate 111 is mobile and second piston 40 is away from partition plate 111, The stretching into openings 711 gradually under the drive of first piston 20 of First piston bar 30, so that the first inclined-plane 31 and Three inclined-planes 712 are in contact and are pressed further by the 3rd inclined-plane 712, at this point, sliding part 70 is subject to move with First piston bar 30 The vertical power in direction is slided to close to the direction of fixed plate 61, and then compression elastic piece 63 is so that the clamping of 63 elasticity of elastic component Between fixed plate 61 and abutting part 722, so as to place the product that be processed or taking-up processes.When first piston 20 to When direction away from partition plate 111 is moved, First piston bar 30 is gradually removed from openings 711, at this point, sliding part 70 is in elasticity Under the driving for the elastic force that part 63 discharges straight fixed part 71 and product phase to be processed are slid into the direction away from fixed plate 61 Contact, and when the resist force of the product balances each other with the elastic force sliding part 70 is caused to stop sliding.Then, drive Second piston 40 is moved to close to the direction of partition plate 111 so that and second piston bar 50 is gradually stretched into slide slot 721, until the Two inclined-planes 51 are in contact with the 4th inclined-plane 724, and then by 70 locking of sliding part.Further, since the width of slide slot 721 is by abutting The direction of portion 722 to fixed part 71 is gradually reduced so that and though sliding part 70 be in any position all can be by its locking.

Cylinder 100 provided by the invention, in fixed product, sliding part 70 under the action of elastic force with the product phase Contact, and stop sliding when the resist force of the product balances each other with the elastic force, so that cylinder 100 adapts to institute It states the different deflection of product and will not cause product that further deformation occurs.In addition, second piston bar 50 further will 70 locking of sliding part with support the product bear processing when cutting force.

The present invention is not restricted to described in specification and embodiment, therefore for the personnel of familiar field Other advantage and modification is easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range In the case of refreshing and scope, the present invention is not limited to specific details, representative equipment and shown here as the diagram with description Example.

Claims

1. a kind of cylinder includes cylinder barrel including cylinder body, the cylinder body, partition plate is provided in the cylinder barrel so that the cylinder barrel to be divided For the first accommodating cavity and the second accommodating cavity arranged side by side；Distance piece is additionally provided in second accommodating cavity so that described second to be held It puts chamber and is divided into the first host cavity and the second host cavity being arranged side by side；It is characterized in that：The cylinder, which further includes, is installed on institute State the actuator of cylinder barrel and one end of closing first accommodating cavity, one end is contained in first accommodating cavity and with the driving The sliding part that part abuts；The other end of the sliding part stretches out first accommodating cavity to close the another of first accommodating cavity End, and can relatively described partition plate slip；The actuator is used to that the sliding part to be driven to slide to the direction away from the actuator It moves to fix processed product；The cylinder further includes the first piston being contained in first host cavity, one end is connected to The First piston bar of the first piston and the second piston being contained in second host cavity, one end are connected to described The second piston bar of two pistons；The sliding part includes fixed part and the support division being connected with the fixed part；Described first The one end of piston rod away from the first piston sets the first inclined-plane；The fixed part is provided with the 3rd inclined-plane and the described 3rd tiltedly Face is identical with the angle of the bore axis with first inclined-plane with the angle of the bore axis；When the first piston to During close to partition plate direction movement, first inclined-plane is in contact with the 3rd inclined-plane and is pressed further by the described 3rd tiltedly Face is so that the sliding part is moved to close to the direction of the actuator；When first inclined-plane is away from three inclined-plane, The sliding part under the driving of the actuator to away from the actuator direction slide until the fixed part with it is to be added Stop sliding when the product of work is in contact；The support division is from one end away from the fixed part towards the direction of the fixed part Offer semi-enclosed slide slot；The one end of the second piston bar away from the second piston is provided with opposite two second Inclined-plane；The slide slot be provided with respectively with one-to-one two the 4th inclined-planes in two the second inclined-planes, and each 4th inclined-plane It is identical with the angle of the bore axis with each second inclined-plane with the angle of the bore axis；When the second piston to by During the nearly partition plate direction movement, the second piston bar is gradually stretched into the slide slot, until each second inclined-plane with it is right The 4th inclined-plane answered is in contact, so that the sliding part locking.

2. cylinder as described in claim 1, it is characterised in that：The center of the fixed part offers openings in the axial direction So that the First piston bar is movable within, opening area of the openings close to the partition plate one side is more than away from described The opening area of partition plate one side, so that the fixed part forms the 3rd inclined-plane at the openings.

3. cylinder as claimed in claim 2, it is characterised in that：The actuator includes fixed plate and is installed on the fixation Two elastic components on plate, the support division form two abutting parts in face of one end of described two elastic components；It is described two to support Socket part is recessed to form receiving portion to accommodate and abut described two elastic components respectively inwards；When the sliding part is to close to the drive When the direction of moving part is slided, described two elastic components are compressed；When the First piston bar is gradually removed from the openings When, it is slided directly to the direction away from the fixed plate under the driving for the elastic force that the sliding part is discharged in described two elastic components It is in contact with product to be processed to the fixed part, and described in when the resist force of the product and the elastic force balance each other Sliding part stops sliding.

4. cylinder as claimed in claim 3, it is characterised in that：Opening area of the slide slot close to the partition plate one side is big In the opening area away from the partition plate one side, so that the support division forms opposite described two at the slide slot A 4th inclined-plane.

5. cylinder as claimed in claim 4, it is characterised in that：The width of the slide slot is from the abutting part to the fixation The direction in portion is gradually reduced.

6. the cylinder as described in claim 3 or 5, it is characterised in that：Described two elastic components are spring.

7. cylinder as described in claim 1, it is characterised in that：The cylinder barrel is set on the side wall of second host cavity There are the first venthole being connected respectively with first host cavity and second host cavity and the second venthole to divide The first piston and the second piston is not driven to be close to close or away from the partition plate direction and move.

8. cylinder as claimed in claim 7, it is characterised in that：The quantity of first venthole and second venthole is equal For 2.

9. cylinder as described in claim 1, it is characterised in that：The cylinder body further includes protecgulum and rear cover；The protecgulum is used In closing first accommodating cavity；The rear cover is used to close second accommodating cavity.