CN210307467U - Self-centering clamp - Google Patents
Self-centering clamp Download PDFInfo
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- CN210307467U CN210307467U CN201920995469.1U CN201920995469U CN210307467U CN 210307467 U CN210307467 U CN 210307467U CN 201920995469 U CN201920995469 U CN 201920995469U CN 210307467 U CN210307467 U CN 210307467U
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Abstract
The utility model relates to a from centering anchor clamps for processing axle type work piece. The utility model discloses a from centering centre frame, from centering centre frame support, from centering centre frame height micromatic setting, from centering centre frame support removal micromatic setting, from centering centre frame support seat, from centering centre frame support's top is equipped with logical groove, from centering centre frame erect from centering centre frame support's logical inslot, from centering centre frame with link together between the centering centre frame support, from centering centre frame support's bottom is equipped with movable guide rail, from centering centre frame support seat's top is equipped with quiet guide rail, from centering centre frame support mounting in from centering centre frame support seat is last, wherein, from centering centre frame support bottom movable guide rail with from the cooperation together between the quiet guide rail at centering centre frame support seat top. The utility model has the advantages of adjust efficient, adjust that the precision is high, the heavy load adds the rigidity good man-hour.
Description
Technical Field
The utility model belongs to the frock clamp field, concretely relates to from centering anchor clamps for processing axle type work piece.
Background
The jig is a device for fixing a processing object to have a correct position to receive processing or inspection in a machine manufacturing process. Jigs are widely used in mechanical manufacturing processes for various processes, such as for quickly, conveniently, and safely mounting workpieces. The existing self-centering clamp for processing shaft workpieces has the defects of low adjusting efficiency, low adjusting precision and poor rigidity during heavy-load processing in use.
Disclosure of Invention
The utility model aims at having the weak point that the rigidity is poor when adjusting inefficiency, regulation precision low, heavy load man-hour to current from centering anchor clamps in use for processing axle type work piece, provide one kind adjust efficient, adjust precision height, heavy load man-hour rigidity good and when batch production precision retentivity good from centering anchor clamps for processing axle type work piece.
The utility model discloses a technical scheme accomplish through following mode: a self-centering clamp comprises a self-centering center frame, a self-centering center frame support, a self-centering center frame height fine adjustment device, a self-centering center frame support moving fine adjustment device and a self-centering center frame support seat, wherein a first arm, a middle arm and a second arm are arranged at the head of the self-centering center frame, the self-centering center frame support is U-shaped, a through groove, a left support plate and a right support plate are arranged at the top of the self-centering center frame support, the left support plate and the right support plate are arranged on the left side and the right side of the through groove in parallel, the self-centering center frame is arranged in the through groove of the self-centering center frame support, the self-centering center frame is connected with the self-centering center frame support through a bolt fastener, a movable guide rail is arranged at the bottom of the self-centering center frame support, a static guide rail is arranged at the top of the self-centering center frame support seat, and the self-centering center frame support is, the movable guide rail at the bottom of the self-centering center frame support is matched with the static guide rail at the top of the self-centering center frame support seat.
In the self-centering clamp, a first bolt hole, a second bolt hole, a third bolt hole and a fourth bolt hole are formed in the body of the self-centering center frame; a bolt hole five matched with a bolt hole I on the frame body of the self-centering center frame and a bolt hole six matched with a bolt hole II on the frame body of the self-centering center frame are arranged on the left support plate and the right support plate of the self-centering center frame support, a bolt hole seven matched with a bolt hole III on the frame body of the self-centering center frame and a bolt hole eight matched with a bolt hole IV on the frame body of the self-centering center frame are arranged on the right support plate of the self-centering center frame support, a bolt mounting through hole is formed in the position, corresponding to the bolt hole seven on the right support plate of the self-centering center frame support, on the left support plate of the self-centering center frame support, and a slide block groove is formed in the position, corresponding to the bolt hole eight on the right support plate of the self-centering center frame support, on the left; a first bolt hole on the frame body of the self-centering center frame is matched with a sixth bolt, and the sixth bolt is matched with a first nut; a bolt hole II on the frame body of the self-centering center frame is matched with a bolt seventh, and the bolt seventh is matched with a nut II; a third bolt hole in the frame body of the self-centering center frame is matched with an eighth bolt, and the eighth bolt is matched with a third nut; a bolt hole four on the frame body of the self-centering center frame is matched with a bolt nine, and the bolt nine is matched with a nut four and a nut five; the positioning device comprises a nut I, a nut II, a bolt I and a nut V, wherein the nut I, the nut II, the bolt II and the nut V are locking nuts between a self-centering center frame and a self-centering center frame support, and the bolt VI is a positioning center shaft of the self-centering center frame; when the first nut, the second nut, the third nut and the fifth nut are loosened, the self-centering center frame can rotate by taking the sixth bolt as an axis.
The utility model provides a from centering anchor clamps in, be equipped with from the left support plate of centering centre frame support and compress tightly the piece, compress tightly the piece and install it is downthehole from compressing tightly on the left support plate of centering centre frame support, compress tightly a piece and include gland one and elastic element, compress tightly the gland one of piece and fix on the left support plate from centering centre frame support, elastic element one end supports on gland one, the elastic element other end supports on one side bearer of centering centre frame is on one's body, makes from the opposite side frame body of centering centre frame support on the right branch fagging of centering centre frame support.
In the self-centering jig, the elastic member is made of cowhells rubber.
A from centering anchor clamps in, from centering centre frame height micromatic setting include gland two, slider, connecting piece, screw rod one, gland three, be equipped with cylinder and screw hole five on the slider, be equipped with hole one and hole two on the connecting piece, be equipped with convex shoulder one on the screw rod one, be equipped with screw rod hole two on the gland three, hole two cover on the connecting piece is in on the cylinder of slider, screw rod one screw thread one with the five cooperation in screw hole of slider, screw rod hole two and convex shoulder one of gland three cooperate, make from centering centre frame height micromatic setting fix on the left support plate front end face of centering centre frame support, hole one on the connecting piece cooperatees with bolt nine.
In the self-centering fixture, the self-centering center frame support moving fine adjustment device comprises a screw seat, a screw II and a screw ring, wherein a screw hole III is formed in the screw seat and is a stepped screw hole, and a left-handed threaded hole VI is formed in a large hole section of the screw hole III; a convex shoulder II is arranged on the screw II; the screw ring is provided with a left-handed thread III and a screw hole IV, the screw II is inserted into the screw hole III, a convex shoulder II on the screw II is clamped on an inner convex shoulder of a stepped screw hole of the screw hole III, and the screw seat is fixed on the self-centering center frame support seat through a bolt IV and a threaded hole eight.
In the self-centering fixture, a movable guide rail at the bottom of a self-centering center frame support is of a dovetail boss structure, a static guide rail at the top of a self-centering center frame support base is of a dovetail groove structure, a threaded hole nine penetrating through the right side wall of the dovetail groove at the top of the self-centering center frame support base is formed in the right side wall of the dovetail groove, and bolt holes fourteen are formed in the outer sides of the left side wall and the right side wall of the self-centering center frame support base; a locking structure is arranged on the right side wall of the dovetail groove at the top of the self-centering center frame support base, the locking structure comprises a lining plate and a positioning bolt, the lining plate is in a long strip shape, a bolt positioning hole corresponding to a threaded hole nine in the right side wall of the dovetail groove at the top of the self-centering center frame support base is arranged on the lining plate, and the lining plate is arranged on the inner wall of the right side wall of the dovetail groove at the top of the self-centering center frame support base; after the movable guide rail at the bottom of the self-centering center frame support is matched with the static guide rail at the top of the self-centering center frame support seat, the positioning bolt is screwed into the threaded hole nine in the right side wall of the dovetail groove at the top of the self-centering center frame support seat, and then the positioning bolt abuts against the bolt positioning hole in the lining plate to apply thrust to the movable guide rail at the bottom of the self-centering center frame support, so that the self-centering center frame support and the self-centering center frame support seat are tightly locked together.
In the self-centering clamp, a waist-shaped through bolt hole nine matched with a bolt five is arranged on the bottom surface of a through groove of a self-centering center frame support, a threaded hole seven corresponding to the bolt hole nine on the bottom surface of the through groove of the self-centering center frame support is arranged on the bottom surface of a dovetail groove at the top of the self-centering center frame support seat, and the bolt five is screwed into the threaded hole seven through the bolt hole nine to tightly lock the self-centering center frame support and the self-centering center frame support seat together.
The utility model discloses compare with current from centering anchor clamps that are used for processing axle type work piece, have adjust efficient, adjust that the precision is high, the heavy load adds the characteristics that the rigidity is good and precision retentivity is good when batch production in man-hour. The utility model discloses be particularly suitable for as being used for the axle type work piece that machining precision is high from the centering anchor clamps.
Drawings
Fig. 1 is a schematic structural diagram of a self-centering fixture of the present invention.
Fig. 2 is a schematic structural view of the self-centering fixture of the present invention.
Fig. 3 is an exploded view of the self-centering fixture of the present invention.
Fig. 4 is a schematic structural view of a self-centering steady rest.
Fig. 5 is an exploded view of the self-centering steady rest height fine adjustment device.
Fig. 6 is an exploded view of the self-centering steady rest movement fine adjustment device.
Fig. 7 is an exploded view of a self-centering steady rest support base.
In fig. 1 to 7, 1 denotes a self-centering steady rest; 1a represents an arm I; 1b represents a middle arm; 1c represents arm two; 1d represents a bolt hole I; 1e represents a bolt hole II; 1f represents bolt hole three; 1g represents bolt hole four; 2 denotes a self-centering steady rest; 2a represents a bolt hole five; 2b represents bolt hole six; 2c represents a bolt hole seven; 2d represents bolt hole eight; 2e represents a bolt hole nine; 2f denotes a threaded hole one; 2g represents a movable guide rail; 2h represents a second threaded hole; 2i denotes screw hole one; 2j denotes a threaded hole three; 2k denotes a slider slot; 2m represents a threaded hole four; 2n denotes a hold down hole; 2p represents a through slot; 2q denotes a left support plate; 2r denotes a right support plate; 2s denotes a bolt mounting through hole; 3 denotes a pressing member; 3a represents a bolt one; 3b denotes gland one; 3b1 denotes bolt hole ten; 3c denotes an elastic member; 4 denotes a self-centering steady rest height fine adjustment device; 4a represents bolt two; 4b denotes gland II; 4b1 denotes bolt hole eleven; 4c denotes a slider; 4c1 denotes a cylinder; 4c2 denotes threaded hole five; 4d represents a connecting member; 4d1 denotes hole one; 4d2 denotes well two; 4e represents screw one; 4e1 denotes thread one; 4e2 denotes shoulder one; 4f denotes gland III; 4f1 denotes bolt hole twelve; 4f2 denotes screw hole two; 4g represents bolt three; 5, a self-centering center frame support moving fine-tuning device; 5a denotes bolt four; 5b denotes a screw seat; 5b1 denotes bolt hole thirteen; 5b2 denotes screw hole three; 5b3 denotes threaded hole six (left-hand); 5c denotes screw II; 5c1 denotes thread two; 5c2 denotes shoulder two; 5d represents a screw ring; 5d1 for thread three (left hand); 5d2 denotes screw hole four; 6 denotes a self-centering steady rest support; 6a denotes a stationary guide rail; 6b denotes a threaded hole seven; 6c denotes a threaded hole eight; 6d represents a bolt hole fourteen; 6e denotes a threaded hole nine; 6f represents bolt five; 7 denotes a bolt fastener one; 7a denotes a bolt six; 7b represents a first nut; 8 denotes a bolt fastener two; 8a denotes a bolt seven; 8b represents a second nut; 9 denotes a bolt fastener three; 9a denotes a bolt eight; 9b represents a third nut; 10 denotes a bolt fastener four; 10a denotes a bolt nine; 10b represents a nut four; 10c represents a nut five; 11 denotes a locking structure; 11a denotes a lining plate; 11a1 denotes a bolt positioning hole; and 11b a positioning bolt.
Detailed Description
The present invention will be further explained below by way of examples with reference to the accompanying drawings.
Referring to the attached drawings 1 to 7, the self-centering clamp comprises a self-centering center frame 1, a self-centering center frame support 2, a self-centering center frame height fine adjustment device 4, a self-centering center frame support moving fine adjustment device 5 and a self-centering center frame support seat 6; the self-centering center frame 1 adopts an SMW-AUTOBLOK self-centering center frame, the head of the self-centering center frame 1 is provided with a first arm 1a, a second arm 1b and a second arm 1c, the self-centering center frame support 2 is U-shaped, the top of the self-centering center frame support 2 is provided with a through groove 2p, a left support plate 2q and a right support plate 2r, the left support plate 2q and the right support plate 2r are arranged on the left side and the right side of the through groove 2p in parallel, the self-centering center frame 1 is arranged in the through groove 2p of the self-centering center frame support 2, the self-centering center frame 1 and the self-centering center frame support 2 are connected together through a bolt fastener, the bottom of the self-centering center frame support 2 is provided with a movable guide rail 2g, the top of the self-centering center frame support seat 6 is provided with a static guide rail 6a, the self-centering center frame support 2 is arranged on the self-centering center, the movable guide rail 2g at the bottom of the self-centering center frame support 2 is matched with the static guide rail 6a at the top of the self-centering center frame support seat 6; a first bolt hole 1d, a second bolt hole 1e, a third bolt hole 1f and a fourth bolt hole 1g are formed in the frame body of the self-centering center frame 1; be equipped with on left support plate 2q and the right branch fagging 2r from centering centre frame support 2 with from centering centre frame 1 the frame on one bolt hole 1d matched with bolt hole five 2a on one's body, with from centering centre frame 1 the frame on one's body bolt hole two 1e matched with bolt hole six 2b, be equipped with on centering centre frame support 2's the right branch fagging 2r with from centering centre frame 1's frame on one's body bolt hole seven 2c matched with bolt hole three 1f matched with bolt hole seven 2c, with from centering centre frame 1's frame on one's body bolt hole four 1g matched with bolt hole eight 2d, be equipped with bolt installation through-hole 2s from centering centre frame support 2's left support plate 2q with from centering centre frame support 2's on the right branch fagging 2r corresponding department, from centering centre frame support 2's left branch fagging 2q with from centering centre frame support 2's right branch fagging 2r on the bolt hole eight 2d corresponding department of establishing Has a slide block slot 2 k; a first bolt hole 1d in the frame body of the self-centering center frame 1 is matched with a sixth bolt 7a, and the sixth bolt 7a is matched with a first nut 7 b; a bolt hole II 1e on the frame body of the self-centering center frame 1 is matched with a bolt seventh 8a, and the bolt seventh 8a is matched with a nut II 8 b; a bolt hole III 1f on the frame body of the self-centering center frame 1 is matched with a bolt eighth 9a, and the bolt eighth 9a is matched with a nut III 9 b; a bolt hole IV 1g on the frame body of the self-centering center frame 1 is matched with a bolt nine 10a, and the bolt nine 10a is matched with a nut IV 10b and a nut V10 c; the nut I7 b, the nut II 8b, the bolt eight 9a and the nut five 10c are locking nuts between the self-centering center frame 1 and the self-centering center frame support 2, wherein the bolt six 7a is a positioning center shaft of the self-centering center frame 1; when the first nut 7b, the second nut 8b, the third nut 9b and the fifth nut 10c are loosened, the self-centering steady rest 1 can rotate by taking the bolt six 7a as a shaft center, wherein:
a pressing piece 3 is arranged on a left supporting plate 2q of the self-centering center frame support 2, the pressing piece 3 is installed in a pressing piece hole 2n in the left supporting plate 2q of the self-centering center frame support 2, the pressing piece 3 comprises a first pressing cover 3b and an elastic element 3c, the elastic element 3c is made of cowhells rubber, a bolt hole ten 3b1 is formed in the first pressing cover 3b, the first pressing cover 3b of the pressing piece 3 is fixed on the left supporting plate 2q of the self-centering center frame support 2 through a first bolt 3a, one end of the elastic element 3c abuts against the first pressing cover 3b, the other end of the elastic element 3c abuts against a side frame body of the self-centering center frame 1, and the other side frame body of the self-centering center frame 1 abuts against a right supporting plate 2r of the self-centering center frame support 2;
the self-centering center frame height fine adjustment device 4 comprises a second pressing cover 4b, a sliding block 4c, a cylinder 4c1, a connecting piece 4d, a first screw rod 4e and a third pressing cover 4f, wherein a bolt hole eleven 4b1 is arranged on the second pressing cover 4b, a cylinder 4c1 and a threaded hole five 4c2 are arranged on the sliding block 4c, a first hole 4d1 and a second hole 4d2 are arranged on the connecting piece 4d, a first screw rod 4e1 and a first shoulder 4e2 are arranged on the first screw rod 4e, a twelve bolt hole twelve 4f1 and a second screw hole two 4f2 are arranged on the third pressing cover 4f, a second hole 4d2 on the connecting piece 4d is sleeved on the cylinder 4c1 of the sliding block 4c, a first screw thread 4e1 on the first screw rod 4e is matched with a threaded hole five 4c2 on the sliding block 4c, a second screw hole 4f2 on the third pressing cover 4f is matched with a first shoulder 4e2, and a third screw hole 3 passes through a bolt hole 1 to be matched with a threaded hole, fixing the self-centering center frame height fine-tuning device 4 on the front end surface of the left support plate 2q of the self-centering center frame support 2, and matching a first hole 4d1 on the connecting piece 4d with a bolt nine 10 a;
the self-centering center frame support moving fine adjustment device 5 comprises a bolt IV 5a, a screw seat 5b, a screw II 5c and a screw ring 5d, wherein a bolt hole thirteen 5b1 and a screw hole III 5b2 are arranged on the screw seat 5b, the screw hole III 5b2 is a stepped screw hole, and a left-handed threaded hole VI 5b3 is arranged on a large hole section of the screw hole III 5b 2; a second screw thread 5c1 and a second shoulder 5c2 are arranged on the second screw rod 5 c; the screw ring 5d is provided with a left-handed thread III 5d1 and a screw hole IV 5d2, the screw II 5c is inserted into the screw hole III 5b2, a shoulder II 5c2 on the screw II 5c is clamped on an inner shoulder of a stepped screw hole of the screw hole III 5b2, and the screw seat 5b is fixed on the self-centering center frame support seat 6 through a bolt IV 5a and a threaded hole eight 6 c;
the movable guide rail 2g at the bottom of the self-centering center frame support 2 is of a dovetail boss structure, the static guide rail 6a at the top of the self-centering center frame support seat 6 is of a dovetail groove structure, a threaded hole nine 6e penetrating through the right side wall of the dovetail groove at the top of the self-centering center frame support seat 6 is formed in the right side wall of the dovetail groove, and bolt holes fourteen 6d are formed in the outer sides of the side walls at the left side and the right side of the self-centering center frame support seat 6; a locking structure 11 is arranged on the right side wall of the dovetail groove at the top of the self-centering center frame support base 6, the locking structure 11 comprises a lining plate 11a and a positioning bolt 11b, the lining plate 11a is long-strip-shaped, a bolt positioning hole 11a1 corresponding to a threaded hole nine 6e in the right side wall of the dovetail groove at the top of the self-centering center frame support base 6 is arranged on the lining plate 11a, and the lining plate 11a is arranged on the inner wall of the right side wall of the dovetail groove at the top of the self-centering center frame support base 6; after the movable guide rail 2g at the bottom of the self-centering center frame support 2 is matched with the static guide rail 6a at the top of the self-centering center frame support seat 6, the positioning bolt 11b is screwed into the threaded hole nine 6e on the right side wall of the dovetail groove at the top of the self-centering center frame support seat 6, and then the bolt positioning hole 11a1 on the lining plate 11a is propped to apply a thrust to the movable guide rail 2g at the bottom of the self-centering center frame support 2, so that the self-centering center frame support 2 and the self-centering center frame support seat 6 are tightly locked together;
the bottom surface of the through groove 2p of the self-centering center frame support 2 is provided with a waist-shaped through bolt hole nine 2e matched with the bolt five 6f, the bottom surface of the dovetail groove at the top of the self-centering center frame support seat 6 is provided with a threaded hole seven 6b corresponding to the bolt hole nine 2e on the bottom surface of the through groove 2p of the self-centering center frame support 2, and the bolt five 6f is screwed into the threaded hole seven 6b through the bolt hole nine 2e, so that the self-centering center frame support 2 and the self-centering center frame support seat 6 are tightly locked together.
During the use, adjust the straightness that hangs down from centering centre frame 1 and work piece axis earlier, fix on the lathe from centering centre frame support frame seat 6 again, then adjust the upper and lower direction of work piece axiality with from centering centre frame height micromatic setting 4, reuse from centering centre frame support removal micromatic setting 5 adjust the preceding, the rear direction of work piece axiality, will be fixed from centering centre frame 1 and from centering centre frame support 2 at last, will be fixed from centering centre frame support 2 and from centering centre frame support frame seat 6.
The above description is only a preferred embodiment of the present invention, but not intended to limit the scope of the invention, and all the equivalent changes and modifications made in the claims and the specification of the present invention are within the scope of the present invention.
Claims (8)
1. A self-centering clamp is characterized by comprising a self-centering center frame, a self-centering center frame support, a self-centering center frame height fine adjustment device, a self-centering center frame support moving fine adjustment device and a self-centering center frame support seat, wherein a first arm, a middle arm and a second arm are arranged at the head of the self-centering center frame, the self-centering center frame support is U-shaped, a through groove, a left support plate and a right support plate are arranged at the top of the self-centering center frame support, the left support plate and the right support plate are arranged on the left side and the right side of the through groove in parallel, the self-centering center frame is arranged in the through groove of the self-centering center frame support, the self-centering center frame and the self-centering center frame support are connected together through a bolt fastener, a movable guide rail is arranged at the bottom of the self-centering center frame support, and a static guide rail is arranged at the top of, the self-centering center frame support is arranged on the self-centering center frame support seat, wherein a movable guide rail at the bottom of the self-centering center frame support is matched with a static guide rail at the top of the self-centering center frame support seat.
2. The self-centering clamp according to claim 1, wherein a first bolt hole, a second bolt hole, a third bolt hole and a fourth bolt hole are formed in the body of the self-centering center frame 1; a bolt hole five matched with a bolt hole I on the frame body of the self-centering center frame and a bolt hole six matched with a bolt hole II on the frame body of the self-centering center frame are arranged on the left support plate and the right support plate of the self-centering center frame support, a bolt hole seven matched with a bolt hole III on the frame body of the self-centering center frame and a bolt hole eight matched with a bolt hole IV on the frame body of the self-centering center frame are arranged on the right support plate of the self-centering center frame support, a bolt mounting through hole is formed in the position, corresponding to the bolt hole seven on the right support plate of the self-centering center frame support, on the left support plate of the self-centering center frame support, and a slide block groove is formed in the position, corresponding to the bolt hole eight on the right support plate of the self-centering center frame support, on the left; a first bolt hole on the frame body of the self-centering center frame is matched with a sixth bolt, and the sixth bolt is matched with a first nut; a bolt hole II on the frame body of the self-centering center frame is matched with a bolt seventh, and the bolt seventh is matched with a nut II; a third bolt hole in the frame body of the self-centering center frame is matched with an eighth bolt, and the eighth bolt is matched with a third nut; a bolt hole four on the frame body of the self-centering center frame is matched with a bolt nine, and the bolt nine is matched with a nut four and a nut five; the positioning device comprises a nut I, a nut II, a bolt I and a nut V, wherein the nut I, the nut II, the bolt II and the nut V are locking nuts between a self-centering center frame and a self-centering center frame support, and the bolt VI is a positioning center shaft of the self-centering center frame; when the first nut, the second nut, the third nut and the fifth nut are loosened, the self-centering center frame can rotate by taking the sixth bolt as an axis.
3. The self-centering fixture according to claim 1 or 2, wherein the left support plate of the self-centering steady rest is provided with a pressing member, the pressing member is installed in a pressing member hole on the left support plate of the self-centering steady rest, the pressing member comprises a first pressing cover and an elastic element, the first pressing cover of the pressing member is fixed on the left support plate of the self-centering steady rest, one end of the elastic element abuts against the first pressing cover, the other end of the elastic element abuts against one side frame body of the self-centering steady rest, and the other side frame body of the self-centering steady rest abuts against the right support plate of the self-centering steady rest.
4. The self-centering clamp of claim 3, wherein said resilient member is formed of a bead of rubber.
5. The self-centering fixture according to claim 1 or 2, wherein the self-centering center frame height fine-adjustment device comprises a second pressing cover, a slider, a connecting piece, a first screw rod and a third pressing cover, the slider is provided with a cylinder and a threaded hole five, the connecting piece is provided with a first hole and a second hole, the first screw rod is provided with a first shoulder, the third pressing cover is provided with a second screw rod hole, the first hole of the connecting piece is sleeved on the cylinder of the slider, the first screw thread of the first screw rod is matched with the threaded hole five of the slider, the second screw rod hole of the third pressing cover is matched with the first shoulder, so that the self-centering center frame height fine-adjustment device is fixed on the front end face of the left support plate of the self-centering center frame support, and the first hole of the connecting piece is.
6. The self-centering clamp according to claim 1 or 2, wherein the fine adjustment device for moving the self-centering steady rest comprises a screw seat, a screw II and a screw ring, the screw seat is provided with a screw hole III, the screw hole III is a stepped screw hole, and a large hole section of the screw hole III is provided with a left-handed threaded hole VI; a convex shoulder II is arranged on the screw II; the screw ring is provided with a left-handed thread III and a screw hole IV, the screw II is inserted into the screw hole III, a convex shoulder II on the screw II is clamped on an inner convex shoulder of a stepped screw hole of the screw hole III, and the screw seat is fixed on the self-centering center frame support seat through a bolt IV and a threaded hole eight.
7. The self-centering clamp according to claim 1 or 2, wherein the movable guide rail at the bottom of the self-centering center frame support is of a dovetail boss structure, the stationary guide rail at the top of the self-centering center frame support base is of a dovetail groove structure, a threaded hole nine penetrating through the right side wall of the dovetail groove at the top of the self-centering center frame support base is formed, and bolt holes fourteen are formed in the outer sides of the side walls at the left side and the right side of the self-centering center frame support base; a locking structure is arranged on the right side wall of the dovetail groove at the top of the self-centering center frame support base, the locking structure comprises a lining plate and a positioning bolt, the lining plate is in a long strip shape, a bolt positioning hole corresponding to a threaded hole nine in the right side wall of the dovetail groove at the top of the self-centering center frame support base is arranged on the lining plate, and the lining plate is arranged on the inner wall of the right side wall of the dovetail groove at the top of the self-centering center frame support base; after the movable guide rail at the bottom of the self-centering center frame support is matched with the static guide rail at the top of the self-centering center frame support seat, the positioning bolt is screwed into the threaded hole nine in the right side wall of the dovetail groove at the top of the self-centering center frame support seat, and then the positioning bolt abuts against the bolt positioning hole in the lining plate to apply thrust to the movable guide rail at the bottom of the self-centering center frame support, so that the self-centering center frame support and the self-centering center frame support seat are tightly locked together.
8. The self-centering clamp according to claim 1 or 2, wherein a waist-shaped through bolt hole nine matched with a bolt five is formed in the bottom surface of the through groove of the self-centering center frame support, a threaded hole seven corresponding to the bolt hole nine in the bottom surface of the through groove of the self-centering center frame support is formed in the bottom surface of the dovetail groove in the top of the self-centering center frame support seat, and the bolt five is screwed into the threaded hole seven through the bolt hole nine, so that the self-centering center frame support and the self-centering center frame support seat are tightly locked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995469.1U CN210307467U (en) | 2019-06-28 | 2019-06-28 | Self-centering clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995469.1U CN210307467U (en) | 2019-06-28 | 2019-06-28 | Self-centering clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210307467U true CN210307467U (en) | 2020-04-14 |
Family
ID=70147417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920995469.1U Active CN210307467U (en) | 2019-06-28 | 2019-06-28 | Self-centering clamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125847A (en) * | 2019-06-28 | 2019-08-16 | 范梅伦 | A kind of self-centering fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125847A (en) * | 2019-06-28 | 2019-08-16 | 范梅伦 | A kind of self-centering fixture |
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