CN102632417B - A kind of automatic clamping device - Google Patents

A kind of automatic clamping device Download PDF

Info

Publication number
CN102632417B
CN102632417B CN201210078994.XA CN201210078994A CN102632417B CN 102632417 B CN102632417 B CN 102632417B CN 201210078994 A CN201210078994 A CN 201210078994A CN 102632417 B CN102632417 B CN 102632417B
Authority
CN
China
Prior art keywords
cylinder
cylinder body
piston
district
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201210078994.XA
Other languages
Chinese (zh)
Other versions
CN102632417A (en
Inventor
施亨庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201210078994.XA priority Critical patent/CN102632417B/en
Publication of CN102632417A publication Critical patent/CN102632417A/en
Application granted granted Critical
Publication of CN102632417B publication Critical patent/CN102632417B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a kind of automatic clamping device, comprise cylinder body and piston; Described cylinder body is provided with the pressure duty chamber being separated into two power cavities by piston and two the pressure medium conveying hole be communicated with respectively with two power cavities; Its design feature is: also comprise the support being provided with two pressure medium conveying passages; Described support outer wall is provided with two cannelures, each cannelure and a corresponding pressure medium conveying channel connection, and is communicated with a corresponding power cavity by a pressure medium conveying hole.The present invention by arranging two cannelures on support outer wall, allow each cannelure and a corresponding pressure medium conveying channel connection, and be communicated with to the corresponding power cavity in cylinder body by a pressure medium conveying hole, to make in the present invention cylinder body in its rotation process, and the pressure medium transmission time between support remains straightway connected state, the reliability of effective guarantee work.

Description

A kind of automatic clamping device
Technical field
The invention belongs to automatic fixture structure-design technique field, be specifically related to a kind of automatic clamping device.
Background technology
In traditional machine tool fixture, for the light axial workpiece that diameter is less, be all generally adopt the clamping of collet assembly, the endoporus of collet assembly installs workpiece, and has several groove, and collet assembly radial direction can be made to produce micro-deformation clamping work pieces; The male cone (strobilus masculinus) of collet assembly coordinates with the inner conical surface of chuck, chuck be fixed on main shaft or lathe fixed structure on, the inner of collet assembly is connected with pull bar, utilize pulling of pull bar, the relative chuck of collet assembly is made to produce axially-movable, due to the effect of the male cone (strobilus masculinus) of collet assembly and the inner conical surface of chuck, make collet narrows clamping work pieces.
Traditional above-mentioned fixture, is generally used in revolution processing, adopt the structure that clamp system combines to structure with rotary motion mechanism, but traditional machine tool fixture cannot realizes accurate calibration.Needing the occasion of workpiece being carried out to accurate calibration, often needing shutdown to carry out calibration, have a strong impact on production efficiency and machining accuracy.
Also some dividing heads have been there are at present, but its structure is general comparatively complicated, and generally comprise turbine, worm screw, straight spur gear assembly or helical gear etc., especially some is also with the index dial with many blind holes, price is comparatively high, and machining accuracy is also difficult to ensure.
Summary of the invention
The object of this invention is to provide that a kind of structure comparatively simplifies, machining accuracy automatic clamping device comparatively reliably.
The technical scheme realizing the object of the invention is: a kind of automatic clamping device, comprises cylinder body and piston; Described cylinder body is provided with the pressure duty chamber being separated into two power cavities by piston and two the pressure medium conveying hole be communicated with respectively with two power cavities; Its design feature is: also comprise the support being provided with two pressure medium conveying passages; Described support outer wall is provided with two cannelures, each cannelure and a corresponding pressure medium conveying channel connection, and is communicated with a corresponding power cavity by a pressure medium conveying hole.
In such scheme, described support adjoins cylinder body and arranges, and described each cannelure is arranged on outer wall adjacent with cylinder body on support, and between support and cylinder body, be also folded with the seal for preventing pressure medium from spilling from the adjacent surface of cylinder body and support.
In such scheme, described two cannelures are arranged on the adjacent surface of support and cylinder body with one heart; Described seal comprises two O-ring seals of arranging concentric on cannelure, and first sealing ring is arranged on the outside of the larger cannelure of external diameter, and second sealing ring is arranged between two cannelures.
In such scheme, this automatic clamping device also comprises the 3rd O-ring seal be arranged on inside the less cannelure of external diameter.
In such scheme, described cylinder body is provided with driving section, and described driving section is provided with dividing gear or belt pulley; Described cylinder body is also provided with the open-work running through cylinder body; Described piston comprises the tube sealing district that can move back and forth in cylinder body open-work and protrudes the annular piston plate district be arranged on tube sealing district outer wall, described piston plate district is positioned at the pressure duty chamber of cylinder body and described pressure duty chamber is separated into two power cavities, and the center in described piston tube sealing district is provided with the piston hole concentric with cylinder body open-work; This automatic clamping device also comprises the chuck component be arranged in piston hole.
In such scheme, described cylinder body comprises cylinder seat and cylinder cap, described cylinder seat is provided with pressure-driven district, accommodating cavity and runs through the cylinder bore of cylinder seat, and described cylinder cap lid is pressed in the pressure-driven district of cylinder seat, and the accommodating cavity of cylinder seat is enclosed the pressure duty chamber forming cylinder body together with the tube sealing district of piston; Described pressure medium conveying hole is arranged on the wall body in pressure-driven district, and described pressure-driven district and support adjoin, and described each cannelure is arranged on support abutment pressure and drives on the outer wall in district; Described cylinder cap is provided with the cylinder head bore running through cylinder cap, and described cylinder bore, cylinder head bore are combined to form the open-work running through cylinder body together with piston hole; The one end in described piston tube sealing district is arranged in cylinder head bore, and is sealed and matched with cylinder head bore, and the other end in described piston tube sealing district is arranged in cylinder bore, and is sealed and matched with cylinder bore; Described driving section is arranged on cylinder seat or cylinder cap.
In such scheme, described chuck component comprises base of the carrier head and is fixed on the Workpiece clamping head of base of the carrier head one end, and described base of the carrier head to be fixed in piston hole and to move with piston synchronous.
In such scheme, described chuck component comprises base of the carrier head and is fixed on a Workpiece clamping head of base of the carrier head one end, and described base of the carrier head is arranged in piston hole and can moves back and forth at piston hole; Described cylinder body also comprises a folder platform be fixedly installed in piston hole, and described folder platform is provided with cover folder hole that is concentric with piston hole and that match with described Workpiece clamping head; Described folder platform and piston synchronous move and can overlap in the process of movement and be clipped on Workpiece clamping head.
In such scheme, described base of the carrier head two ends are respectively provided with a Workpiece clamping head; Described cylinder seat or cylinder cap are provided with the pinch zones of matching with Workpiece clamping head, and center, described pinch zones is provided with a holes for clamping matched with this Workpiece clamping head, and the basic configuration of each holes for clamping is truncated cone; The basic configuration of described Workpiece clamping head is circular cone shape, establishes the workpiece folder hole concentric with piston hole in it.
In such scheme, the center in the pressure-driven district of described cylinder seat is provided with towards the tubular supporting area away from cylinder cap direction projection, and 64), described pinch zones is arranged on the side of this supporting area away from cylinder cap; Described support is provided with bracket holes, and the supporting area of described cylinder seat is rotated by bearing and is arranged in bracket holes.
In such scheme, this automatic clamping device also comprises the handle cap be fixedly installed on the outer wall of cylinder seat pinch zones and the waterproof cover be set on handle cap.
The present invention has positive effect: (1) the present invention by arranging two cannelures on support outer wall, allow each cannelure and a corresponding pressure medium conveying channel connection, and be communicated with to the corresponding power cavity in cylinder body by a pressure medium conveying hole, to make in the present invention cylinder body in its rotation process, and the pressure medium transmission time between support remains straightway connected state, the reliability of effective guarantee work.
(2) in the present invention, described support adjoins cylinder body and arranges, and described each cannelure is arranged on outer wall adjacent with cylinder body on support, and between support and cylinder body, be also folded with the seal for preventing pressure medium from spilling from the adjacent surface of cylinder body and support.Under the effect of the seal, effectively prevent pressure medium from spilling from the adjacent surface of cylinder body and support, ensure overall clean and service behaviour.
(3) in the present invention, the structure of cylinder body and piston is comparatively rationally compact, and the bodily form is ultra-thin, makes overall axial length only has 1/3rd of the clamping dividing head on the market with same function, effectively reduces overall taking up room.
Accompanying drawing explanation
Fig. 1 is a kind of sectional view of the first structure of the present invention;
Fig. 2 is a kind of side view of the medium-height trestle of automatic clamping device shown in Fig. 1;
Fig. 3 is a kind of sectional view of the second structure of the present invention;
Fig. 4 is a kind of sectional view of the third structure of the present invention;
Fig. 5 is a kind of sectional view of the present invention's the 4th kind of structure.
Reference numeral is: cylinder body 1, pressure duty chamber 11, power cavity 111, pressure medium conveying hole 12, driving section 13, open-work 14, pinch zones 15, holes for clamping 16, piston 2, tube sealing district 21, piston plate district 22, piston hole 23, chuck component 3, base of the carrier head 31, Workpiece clamping head 32, workpiece folder hole 321, support 4, pressure medium conveying passage 41, cannelure 42, bracket holes 43, seal 5, sealing ring 51, first sealing ring 511, second sealing ring 512, 3rd O-ring seal 513, cylinder seat 6, pressure-driven district 61, accommodating cavity 62, cylinder bore 63, supporting area 64, cylinder cap 7, cylinder head bore 71, folder platform 8, cover folder hole 81, bearing 91, handle cap 92, waterproof cover 93, crimping seat 94, truncated cone crimping hole 941.
And body embodiment
(embodiment 1)
Fig. 1 and Fig. 2 shows the first detailed description of the invention of the present invention, and Fig. 1 is a kind of sectional view of the first structure of the present invention; Fig. 2 is a kind of side view of the medium-height trestle of automatic clamping device shown in Fig. 1.
The present embodiment is a kind of automatic clamping device, as shown in Figure 1, comprises cylinder body 1, piston 2, chuck component 3 and support 4.
Described cylinder body 1 is provided with the pressure duty chamber 11 being separated into two power cavities 111 by piston 2 and two the pressure medium conveying hole 12 be communicated with respectively with two power cavities 111; Two pressure medium conveying passages 41 are provided with in described support 4, described support 4 outer wall is provided with two cannelures 42, each cannelure 42 is communicated with a corresponding pressure medium conveying passage 41, and is communicated with a corresponding power cavity 111 by a pressure medium conveying hole 12.
Described support 4 adjoins cylinder body 1 and arranges, and described each cannelure 42 is arranged on outer wall adjacent with cylinder body 1 on support 4, and between support 4 and cylinder body 1, be also folded with the seal 5 for preventing pressure medium from spilling from cylinder body 1 with the adjacent surface of support 4.
As shown in Figure 2, described two cannelures 42 are arranged on support 4 with one heart with on the adjacent surface of cylinder body 1; Described seal 5 comprises three O-ring seals 51 of arranging concentric on cannelure 42, and first sealing ring 511 is arranged on the outside of the larger cannelure of external diameter 42, second sealing ring 512 is arranged between two cannelures 42, and the 3rd O-ring seal 513 is arranged on inside the less cannelure of external diameter 42.
Described cylinder body 1 is provided with driving section 13, and described driving section 13 is provided with dividing gear, in concrete practice, also can adopt belt pulley, in addition, described dividing gear and belt pulley both can be one-body molded with cylinder body, also can adopt shaping separately, then be fixed to the assembling mode on cylinder body.
Described cylinder body 1 is also provided with the open-work 14 running through cylinder body 1; Described piston 2 comprises the tube sealing district 21 that can move back and forth in cylinder body 1 open-work 14 and protrudes the annular piston plate district 22 be arranged on tube sealing district 21 outer wall, described piston plate district 22 is positioned at the pressure duty chamber 11 of cylinder body 1 and described pressure duty chamber 11 is separated into two power cavities 111, and the center in described piston tube sealing district 21 is provided with the piston hole 23 concentric with cylinder body 1 open-work 14; This automatic clamping device also comprises the chuck component 3 be arranged in piston hole 23.
Described cylinder body 1 comprises cylinder seat 6 and cylinder cap 7, described cylinder seat 6 is provided with pressure-driven district 61, accommodating cavity 62 and runs through the cylinder bore 63 of cylinder seat 6, described cylinder cap 7 lid is pressed in the pressure-driven district 61 of cylinder seat 6, and the accommodating cavity 62 of cylinder seat 6 is enclosed the pressure duty chamber 11 forming cylinder body 1 together with the tube sealing district 21 of piston 2; Described pressure medium conveying hole 12 is arranged on the wall body in pressure-driven district 61, and described pressure-driven district 61 adjoins with support 4, and described each cannelure 42 is arranged on support 4 abutment pressure and drives on the outer wall in district 61.
Described cylinder cap 7 is provided with the cylinder head bore 71 running through cylinder cap 7, and described cylinder bore 63, cylinder head bore 71 are combined to form the open-work 14 running through cylinder body 1 together with piston hole 23; The one end in described piston tube sealing district 21 is arranged in cylinder head bore 71, and is sealed and matched with cylinder head bore 71, and the other end in described piston tube sealing district 21 is arranged in cylinder bore 63, and is sealed and matched with cylinder bore 63; Described driving section 13 is arranged on cylinder seat 6 or cylinder cap 7, and the present embodiment is arranged on cylinder cap.
Described chuck component 3 comprises base of the carrier head 31 and is fixed on a Workpiece clamping head 32 of base of the carrier head 31 one end, described base of the carrier head 31 to be fixed in piston hole 23 and with piston 2 synchronizing moving.
Described cylinder seat 6 is provided with the pinch zones 15 of matching with Workpiece clamping head 32, and in concrete practice, pinch zones 15 also can be arranged on cylinder cap 7; Center, described pinch zones 15 is provided with a holes for clamping 16 matched with this Workpiece clamping head 32, and the basic configuration of each holes for clamping 16 is truncated cones; The basic configuration of described Workpiece clamping head 32 is circular cone shape, establishes the workpiece folder hole 321 concentric with piston hole 23 in it.
In the present embodiment, the center in the pressure-driven district 61 of described cylinder seat 6 is provided with towards the tubular supporting area away from cylinder cap 7 direction projection, and 64, described pinch zones 15 is arranged on the side of this supporting area 64 away from cylinder cap 7; Described support 4 is provided with bracket holes 43, and the supporting area 64 of described cylinder seat 6 is rotated by bearing 91 and is arranged in bracket holes 43.In order to carry out spacing and waterproof to support 4, this automatic clamping device also comprises the handle cap 92 be fixedly installed on the outer wall of cylinder seat 6 pinch zones 15 and the waterproof cover 93 be set on handle cap 92.
The present embodiment in use, only need to pass into pressure medium in a corresponding pressure medium conveying passage 41 in support, driven plunger can move, and then drive Workpiece clamping head to realize workpiece automatic clamping function, be especially suitable for automatic assembly line and do the use of clamping calibration; The present embodiment scope of application is comparatively wide, and described cylinder body both can provide clamping power by compressed air or Hydraulic Station, cylinder body and chuck component can be driven to rotate to realize calibration process operation by pneumatic, hydraulic pressure, motor, numerical-control motor etc. again by driving section.
The present embodiment has positive effect: (1) the present embodiment by arranging two cannelures 42 on support 4 outer wall, each cannelure 42 and a corresponding pressure medium such as oil or gas conveying passage 41 is allowed to be communicated with, and be communicated with to the corresponding power cavity 111 in cylinder body by a pressure medium conveying hole 12, to make in the present embodiment cylinder body in its rotation process, and the pressure medium transmission time between support remains straightway connected state, the reliability of effective guarantee work.
(2) in the present embodiment, described support 4 adjoins cylinder body 1 and arranges, described each cannelure 42 is arranged on outer wall adjacent with cylinder body 1 on support 4, and between support 4 and cylinder body 1, be also folded with the seal 5 for preventing pressure medium from spilling from cylinder body 1 with the adjacent surface of support 4.Under the effect of the seal, effectively prevent pressure medium from spilling from the adjacent surface of cylinder body and support, ensure overall clean and service behaviour.
(3) in the present embodiment, the structure of cylinder body and piston is comparatively rationally compact, and the bodily form is ultra-thin, makes overall axial length only has 1/3rd of the clamping dividing head on the market with same function, effectively reduces overall taking up room.
(embodiment 2)
Fig. 3 is a kind of sectional view of the second structure of the present invention, shows the second detailed description of the invention of the present invention.
The present embodiment is substantially the same manner as Example 1, and difference is: as shown in Figure 3, on the shape of described chuck component 3 and cylinder seat the shape of pinch zones 15 and embodiment 1 different; In embodiment 1, in described cylinder seat 6, the shape of the truncated cone holes for clamping 16 of center, pinch zones 15 is outer little interior large conical bore, and the lateral aperture also namely away from cylinder cap 7 is little, and the lateral aperture close to cylinder cap 7 is larger; Corresponding Workpiece clamping head 32 is outer little interior large truncated cones, clamping work pieces chuck 32 when this structure makes described chuck component 2 move towards the direction away from cylinder cap 7;
The present embodiment is then contrary with it, and in described cylinder seat 6, the shape of the holes for clamping 16 of center, pinch zones 15 is the conical bore that outer imperial palace is little, and the lateral aperture also namely away from cylinder cap 7 is large, and the lateral aperture close to cylinder cap 7 is less; The shape of the Workpiece clamping head 32 in corresponding the present embodiment is truncated cones that outer imperial palace is little, clamping work pieces chuck 32 when this structure makes described chuck component 3 move towards the direction close to cylinder cap 7.
(embodiment 3)
Fig. 4 is a kind of sectional view of the third structure of the present invention, shows the third detailed description of the invention of the present invention.
The present embodiment is substantially the same manner as Example 1, and difference is: as shown in Figure 4, and in the present embodiment, the two ends of base of the carrier head 31 are respectively provided with a Workpiece clamping head 32; Also be provided with an external crimping seat 94 in described cylinder body open-work 14, described crimping seat 94 is provided with the truncated cone matched with a contiguous Workpiece clamping head 32 and crimps hole 941.
Chuck component 3 in the present embodiment is in the process along with piston 2 movement, and when moving towards the direction away from cylinder cap 7 in piston plate district 21, the Workpiece clamping head 32 be arranged in Fig. 4 on the right side of base of the carrier head 31 can be clamped on the holes for clamping 16 of cylinder seat pinch zones 15; When moving towards the direction of class's cylinder cap 7 in piston plate district, the Workpiece clamping head be arranged on the left of base of the carrier head 31 can be clamped on the crimping hole 941 of external crimping seat 94.
(embodiment 4)
Fig. 5 is a kind of sectional view of the present invention's the 4th kind of structure, shows the 4th kind of detailed description of the invention of the present invention.
The present embodiment is substantially the same manner as Example 1, difference is: as shown in Figure 5, described chuck component 3 comprises base of the carrier head 31 and is fixed on two Workpiece clamping heads 32 at base of the carrier head 31 two ends, and described base of the carrier head 31 is arranged in piston hole 23 and can moves back and forth at piston hole 23; Described cylinder body 1 also comprises a folder platform 8 be fixedly installed in piston hole 23, and described folder platform 8 is provided with cover folder hole 81 that is concentric with piston hole 23 and that match with described Workpiece clamping head 32; Described folder platform 8 and piston 2 synchronizing moving also can overlap and be clipped on Workpiece clamping head 32 in the process of movement.
See Fig. 5, when piston 2 drives folder platform 8 to move right, first folder platform 8 is pressed on a Workpiece clamping head 32 being positioned on the left of base of the carrier head 31, and is promoted to the right by chuck component 3, until make two Workpiece clamping heads 32 be clamped in the folder cover folder hole 81 of platform and the holes for clamping 16 of cylinder seat pinch zones 15 respectively; When piston 2 drives folder platform 8 to be moved to the left, under the reseting elasticity effect of Workpiece clamping head 32, two Workpiece clamping heads 32 unclamp respectively from the folder cover folder hole 81 of platform and the holes for clamping 16 of cylinder seat pinch zones 15.The present embodiment can obtain the technique effect clamping simultaneously or unclamp two workpiece.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.

Claims (3)

1. an automatic clamping device, comprises cylinder body (1) and piston (2); Described cylinder body (1) is provided with the pressure duty chamber (11) being separated into two power cavities (111) by piston (2) and two the pressure medium conveying hole (12) be communicated with respectively with two power cavities (111); It is characterized in that: also comprise the support (4) being provided with two pressure medium conveying passages (41); Described support (4) outer wall is provided with two cannelures (42), each cannelure (42) is communicated with a corresponding pressure medium conveying passage (41), and is communicated with a corresponding power cavity (111) by a pressure medium conveying hole (12); The adjacent cylinder body (1) of described support (4) is arranged, described each cannelure (42) is arranged on the outer wall that support (4) is upper and cylinder body (1) is adjacent, and between support (4) and cylinder body (1), be also folded with the seal (5) for preventing pressure medium from spilling from cylinder body (1) with the adjacent surface of support (4); Described two cannelures (42) are arranged on support (4) with one heart with on the adjacent surface of cylinder body (1); Described seal (5) comprises two O-ring seals (51) of arranging concentric on cannelure (42), and first sealing ring (511) is arranged on the outside of the larger cannelure of external diameter (42), second sealing ring (512) is arranged between two cannelures (42); This automatic clamping device also comprises the 3rd O-ring seal (513) being arranged on the less cannelure of external diameter (42) inner side; Described cylinder body (1) is provided with driving section (13), and described driving section (13) are provided with dividing gear or belt pulley; Described cylinder body (1) is also provided with the open-work (14) running through cylinder body (1); Described piston (2) comprises the tube sealing district (21) that can move back and forth in cylinder body (1) open-work (14) and protrusion and is arranged on annular piston plate district (22) on tube sealing district (21) outer wall, described piston plate district (22) is positioned at the pressure duty chamber (11) of cylinder body (1) and described pressure duty chamber (11) is separated into two power cavities (111), and the center of described tube sealing district (21) is provided with the piston hole (23) concentric with cylinder body (1) open-work (14); This automatic clamping device also comprises the chuck component (3) be arranged in piston hole (23); Described cylinder body (1) comprises cylinder seat (6) and cylinder cap (7), described cylinder seat (6) is provided with pressure-driven district (61), accommodating cavity (62) and runs through the cylinder bore (63) of cylinder seat (6), described cylinder cap (7) lid is pressed in the pressure-driven district (61) of cylinder seat (6), and the accommodating cavity of cylinder seat (6) (62) is enclosed the pressure duty chamber (11) forming cylinder body (1) together with the tube sealing district (21) of piston (2); Described pressure medium conveying hole (12) is arranged on the wall body of pressure-driven district (61), described pressure-driven district (61) adjoins with support (4), and described each cannelure (42) is arranged on support (4) abutment pressure and drives on the outer wall in district (61);
Described cylinder cap (7) is provided with the cylinder head bore (71) running through cylinder cap (7), and described cylinder bore (63), cylinder head bore (71) and piston hole (23) are combined to form the open-work (14) running through cylinder body (1) together; One end of described tube sealing district (21) is arranged in cylinder head bore (71), and be sealed and matched with cylinder head bore (71), the other end of described tube sealing district (21) is arranged in cylinder bore (63), and is sealed and matched with cylinder bore (63); Described driving section (13) is arranged on cylinder seat (6) or cylinder cap (7); Described chuck component (3) comprises base of the carrier head (31) and is fixed on two Workpiece clamping heads (32) at base of the carrier head (31) two ends; Described cylinder seat (6) is provided with the pinch zones (15) of matching with Workpiece clamping head (32), described pinch zones (15) center is provided with a holes for clamping (16) matched with this Workpiece clamping head (32), the basic configuration of holes for clamping (16) is outer little interior large conical bore, its lateral aperture away from cylinder cap (7) is little, and the lateral aperture close to cylinder cap (7) is larger; The basic configuration of described Workpiece clamping head (32) is outer little interior large truncated cone, establishes the workpiece folder hole (321) concentric with piston hole (23) in it; The center in the pressure-driven district (61) of described cylinder seat (6) is provided with towards the tubular supporting area (64) away from cylinder cap (7) direction projection, and described pinch zones (15) are arranged on the side of this supporting area (64) away from cylinder cap (7); Described support (4) is provided with bracket holes (43), and the supporting area (64) of described cylinder seat (6) is rotated by bearing (91) and is arranged in bracket holes (43).
2. automatic clamping device according to claim 1, is characterized in that: described base of the carrier head (31) to be fixed in piston hole (23) and with piston (2) synchronizing moving.
3. automatic clamping device according to claim 1, is characterized in that: described base of the carrier head (31) is arranged in piston hole (23) and can moves back and forth in piston hole (23); Described cylinder body (1) also comprises a folder platform (8) be fixedly installed in piston hole (23), and described folder platform (8) is provided with cover folder hole (81) that is concentric with piston hole (23) and that match with described Workpiece clamping head (32); Described folder platform (8) and piston (2) synchronizing moving also can overlap and be clipped on Workpiece clamping head (32) in the process of movement.
CN201210078994.XA 2012-03-23 2012-03-23 A kind of automatic clamping device Active CN102632417B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210078994.XA CN102632417B (en) 2012-03-23 2012-03-23 A kind of automatic clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210078994.XA CN102632417B (en) 2012-03-23 2012-03-23 A kind of automatic clamping device

Publications (2)

Publication Number Publication Date
CN102632417A CN102632417A (en) 2012-08-15
CN102632417B true CN102632417B (en) 2016-02-24

Family

ID=46617089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210078994.XA Active CN102632417B (en) 2012-03-23 2012-03-23 A kind of automatic clamping device

Country Status (1)

Country Link
CN (1) CN102632417B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2700461B1 (en) * 2012-08-20 2016-05-18 Klingelnberg AG Device for clamping a tool or workpiece and method for actuating such a clamping device
EP3345703B1 (en) * 2017-01-10 2021-04-07 Martin Huber Assembly of machine tool and tension holder of a workpiece and chuck for same
CN114453634B (en) * 2022-02-10 2023-03-21 深圳市弗莱博自动化设备有限公司 Outer knife ditch cutting machine of vibrissa clipping machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734589C1 (en) * 1987-10-13 1988-08-11 Berg & Co Gmbh Rotating hydraulic hollow clamping cylinder
EP0339204A2 (en) * 1988-04-27 1989-11-02 SMW Schneider & Weisshaupt GmbH Admission device for pressurized fluids
US5876041A (en) * 1995-10-20 1999-03-02 Berg & Co. Gmbh Chuck drive system, especially for a rotating clamping device of a machine tool
NL1021774C2 (en) * 2002-10-29 2004-05-03 Hsuan-Lung Wu Hydraulic chuck, comprises ring shaped wall, hollow rotary shaft, ring shaped piston, clamping tong, bearing unit and valve unit
CN201316922Y (en) * 2008-12-25 2009-09-30 毛国良 Clamping rotary gas cylinder mechanism for bearing ring blanking machine tool
CN201997970U (en) * 2011-02-16 2011-10-05 余胜东 Pneumatic clamping type numerical control module
CN202571862U (en) * 2012-03-23 2012-12-05 施亨庆 Automatic clamping device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734589C1 (en) * 1987-10-13 1988-08-11 Berg & Co Gmbh Rotating hydraulic hollow clamping cylinder
EP0339204A2 (en) * 1988-04-27 1989-11-02 SMW Schneider & Weisshaupt GmbH Admission device for pressurized fluids
US5876041A (en) * 1995-10-20 1999-03-02 Berg & Co. Gmbh Chuck drive system, especially for a rotating clamping device of a machine tool
NL1021774C2 (en) * 2002-10-29 2004-05-03 Hsuan-Lung Wu Hydraulic chuck, comprises ring shaped wall, hollow rotary shaft, ring shaped piston, clamping tong, bearing unit and valve unit
CN201316922Y (en) * 2008-12-25 2009-09-30 毛国良 Clamping rotary gas cylinder mechanism for bearing ring blanking machine tool
CN201997970U (en) * 2011-02-16 2011-10-05 余胜东 Pneumatic clamping type numerical control module
CN202571862U (en) * 2012-03-23 2012-12-05 施亨庆 Automatic clamping device

Also Published As

Publication number Publication date
CN102632417A (en) 2012-08-15

Similar Documents

Publication Publication Date Title
CN109551321B (en) Polishing equipment for inner and outer walls of annular accessory
CN102632417B (en) A kind of automatic clamping device
EP3552759A1 (en) Coolant joint device
CN110039352B (en) Radially adjustable flywheel gear ring lathe inner hole clamping assembly
CN202571862U (en) Automatic clamping device
CN202571863U (en) Automatic clamping device
TW201531373A (en) Improved structure of a direct-drive type index plate
CN102632401A (en) Automatic clamping device
CN101569994A (en) Automatic indexing fixture
TWI587965B (en) Laser pipe cutting machine and air-driving chuck thereof
CN101332565B (en) Clamp for milling excircle
CN102632418A (en) High-speed running type air and hydraulic automatic clamping device
CN202571957U (en) High speed operated gas-liquid automatic clamping device
CN114433892B (en) Lathe fixture capable of automatically switching machined surface of workpiece
TWI432280B (en) A spindle head of machining center comprising a spindle head base automatically changing its angle
CN2119985U (en) Improved structure of bidirectional clamp
CN210790017U (en) Servo revolving stage of accurate location
CN102049549B (en) Drilling tool
CN209953831U (en) Rotary clamping mechanism
CN210359340U (en) Hydraulic internal expanding clamp for tailstock of machine tool
CN204770766U (en) Forward type air chuck
CN220740711U (en) Automatic clamping and rotating mechanism
CN211333016U (en) Buckling machine for flexible composite high-pressure conveying pipe
CN213081117U (en) Ceramic tube inner hole grinding device
CN211449987U (en) Gas distribution device of chuck

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant