CN204819215U - It is two -way from feeling relieved flat -nose pliers - Google Patents

Abstract

The utility model relates to a fixture for mechanical processing, in particular to a bidirectional self-centering vise for bidirectional alignment and positioning, which mainly consists of a main fixture base, a main Clamp body, screw fixing ring, auxiliary clamp base, auxiliary clamp base baffle plate, auxiliary clamp body, spring, replaceable main chuck, replaceable auxiliary chuck and locking plate. The two-way self-positioning vise uses the nut pair mechanism to realize accurate alignment and positioning in one direction, and uses two equal-rigidity spring-driven clamps to realize alignment and positioning in the other direction, so that the workpiece can be aligned automatically in two directions. Clamp firmly.

Description

Two-way self-centering vise

technical field

The utility model relates to a fixture for mechanical processing, in particular to a bidirectional self-centering vise used for bidirectional alignment and positioning.

Background technique

Flat-nose pliers have been widely used in machining workpiece clamping. However, traditional flat-nose pliers can only achieve centering clamping in one direction, while in the other direction they need to be adjusted by aligning, which increases the workpiece loading. Clip positioning time.

Utility model content

In order to solve this problem, the utility model provides a two-way self-centering vise, which can realize automatic alignment and clamping in two directions when the workpiece is clamped.

The technical scheme adopted in the utility model is:

The two-way self-centering vise includes a main clamp base, a main clamp base baffle plate I, a main clamp base baffle plate II, a double screw, a taper pin, a main clamp body I, a main clamp body II, and a screw fixing ring , Auxiliary clamp base, auxiliary clamp base baffle plate, auxiliary clamp body, spring, replaceable main chuck, replaceable auxiliary chuck, locking plate. The main fixture base has main rails, 8 threaded holes I, and 4 threaded holes II; the main fixture base baffle plate I has 4 through holes I and a central through hole I; the main fixture base The baffle plate II has 4 through holes II and the central through hole II; the double screw rod has a taper hole, a pin hole I, a left-handed thread, and a right-handed thread; the main clamp body I has a left-handed threaded hole and a slot I; The clamp body II has a right-handed threaded hole and a slot II; the screw fixing ring has a pin hole II; the replaceable main chuck has an insert I; the left-handed threaded hole of the main clamp body I is connected to the The left-handed thread of the twin-screw is connected; the right-handed thread hole of the clamp body II is connected with the right-handed thread of the double-screw; the inserts I of the replaceable main chuck can be inserted respectively In the slot I of the main clamp body I and the slot II of the clamp body II; one end of the double screw passes through the central through hole I of the main clamp base baffle plate I ; The main clamp base baffle plate I is threadedly connected with the threaded hole I of the main clamp base through 4 through holes I of the main clamp base baffle plate I; the taper pin is inserted into the The tapered hole of the twin-screw is connected; the other end of the twin-screw passes through the central through hole II of the main fixture base baffle II; the main fixture base baffle II passes through the main The four through holes II of the fixture base baffle II are threadedly connected with the threaded holes I of the main fixture base; the screw fixing ring passes through the screw fixing ring with the pin hole II and the The pin hole I of the double screw rod is fixed by a column pin; the base of the auxiliary fixture has a pair of lugs, two protrusions, and 4 threaded holes III; the lugs of the base of the auxiliary fixture have through holes III; the projection of the sub-clamp base has a pin hole III; the sub-clamp body has a handle, a spring hole, and a slot III; the baffle plate of the sub-clamp base has a stepped hole and 4 through holes IV ; The replaceable sub-clamp has an insert II; the insert II of the replaceable sub-clamp is installed in the slot III of the sub-clamp body; the sub-clamp is specifically installed in the On the sub-clamp base; one end of the spring is close to the spring hole of the sub-clamp body; the other end of the spring is pressed against the stepped hole of the baffle plate of the sub-clamp base; the sub-clamp base The baffle is threadedly connected to the 4 threaded holes III of the sub-fixture base through the 4 through holes IV of the baffle plate of the sub-fixture base; the locking plate has the pin hole IV; The locking plate is pin-coupled with the pin hole III of the protrusion of the sub-clamp base through the pin hole IV of the locking plate; the sub-clamp base passes through the sub-clamp The through hole III of the lug of the base is coupled with the main clamp base.

The beneficial effects of the utility model are:

The two-way self-positioning vise uses the nut pair mechanism to realize accurate alignment and positioning in one direction, and uses two equal-rigidity spring-driven clips to realize alignment and positioning in the other direction, so that the workpiece can be aligned automatically in two directions. Clamp firmly.

Description of drawings

Below in conjunction with the figure of the present utility model further explanation:

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the base of the main fixture.

Fig. 3 is a schematic structural view of the base baffles I and II of the main fixture.

Fig. 4 is a structural schematic diagram of the twin-screw.

Fig. 5 is a schematic structural view of the tapered pin.

FIG. 6 is a schematic structural view of the main clamp head 1.

Figure 7 is a structural schematic diagram of the main fixture head II

Fig. 8 is a schematic structural view of the screw fixing ring.

Fig. 9 is a schematic structural view of the sub-fixture base.

Fig. 10 is a schematic structural view of the base baffle of the auxiliary fixture.

Fig. 11 is a schematic structural view of the sub-folder body.

Fig. 12 is a structural schematic diagram of the replaceable main chuck.

Fig. 13 is a structural schematic diagram of the replaceable secondary chuck.

Fig. 14 is a structural schematic diagram of the locking plate.

In the figure, 1. Main clamp base, 2. Main clamp base baffle I, 3. Main clamp base baffle II, 4. Double screw, 5. Taper pin, 6. Main clamp body I, 7. Main clamp Clamp body II, 8. Screw fixing ring, 9. Sub-clamp base, 10. Sub-clamp base baffle, 11. Sub-clamp body, 12. Spring, 13. Replaceable main chuck, 14. Replaceable sub-clamp Head, 15. Locking plate, 16. Main guide, 17. Threaded hole I, 18. Threaded hole II, 19. Through hole I, 20. Center through hole I, 21. Through hole II, 22. Center through hole II , 23. Cone hole, 24. Pin hole I, 25. Left-handed thread, 26. Right-handed thread, 27. Left-handed threaded hole, 28. Slot I, 29. Right-handed threaded hole, 30. Slot II, 31. Pin hole II, 32. Lug, 33. Lug, 34. Threaded hole III, 35. Through hole III, 36. Pin hole III, 37. Stepped hole, 38. Through hole IV, 39. Handle, 40. Spring Hole, 41. slot III, 42. insert I, 43. insert II, 44. pin hole IV.

Detailed ways

The two-way self-centering vise includes a main clamp base (1), a main clamp base baffle plate I (2), a main clamp base baffle plate II (3), a double screw rod (4), a taper pin (5 ), the main clamp body I (6), the main clamp body II (7), the screw fixing ring (8), the auxiliary clamp base (9), the auxiliary clamp base baffle (10), the auxiliary clamp body (11), Spring (12), replaceable main chuck (13), replaceable auxiliary chuck (14), locking plate (15). The main fixture base (1) has main rails (16), 8 threaded holes I (17), 4 threaded holes II (18); the main fixture base baffle plate I (2) has 4 through Hole I (19), a center through hole I (20); said main clamp base baffle plate II (3) has 4 through holes II (21), center through hole II (22); said double screw ( 4) taper hole (23), pin hole I (24), left-handed thread (25), right-handed thread (26); described main clamp body I (6) has left-handed threaded hole (27), slot I ( 28); the main clamp concrete II (7) has a right-handed threaded hole (29), slot II (30); the screw fixing ring (8) has a pin hole II (31); the replaceable main clamp ( 13) There is an insertion piece I (42); the left-hand threaded hole (27) of the main clamp body I (6) is connected with the left-hand thread (25) of the double screw (4); the clamp body The right-hand threaded hole (29) of II (7) is connected with the right-hand thread (26) of the twin screw (4); the insert I ( 42) can be respectively inserted into the slot I (28) of the main clamp body I (6) and the slot II (30) of the clamp body II (7); the double screw (4) One end of the main fixture base baffle plate I (2) passes through the central through hole I (20); the main fixture base baffle plate I (2) passes through the main fixture base baffle plate I ( 2) The four through holes I (19) are threadedly connected with the threaded holes I (17) of the main fixture base (1); the taper pin (5) is inserted into the double screw (4) The taper hole (23) is connected; the other end of the double screw (4) passes through the central through hole II (22) of the main clamp base baffle plate II (3); the main clamp The base baffle plate II (3) passes through the four through holes II (21) of the main fixture base baffle plate II (3) and the threaded hole I (17) of the main fixture base (1) ) threaded connection; said screw fixing ring (8) has said pin hole II (31) and said pin hole I (24) of said double screw (4) through said screw fixing ring (8) and adopts column The pin is fixed; the sub-fixture base (9) has a pair of lugs (32), two protrusions (33), and 4 threaded holes III (34); the protrusions of the sub-fixture base (9) The ear (32) has a through hole III (35); the protrusion (33) of the auxiliary clamp base (9) has a pin hole III (36); the auxiliary clamp body (11) has a handle (39) , spring hole (40), slot III (41); said secondary clamp base baffle plate (10) has stepped hole (37), 4 through holes IV (38); said replaceable secondary clamp (14 ) has an insertion piece II (43); the insertion piece II (43) of the replaceable secondary clamp (14) is installed in the slot III (41) of the secondary clamp body (11); the The secondary clamp body (11) is installed on the secondary clamp base (9); one end of the spring (12) close to the spring hole (40) of the sub-clamp body (11); the other end of the spring (12) presses the stepped hole (37) of the sub-clamp base baffle (10); Said sub-fixture base baffle (10) passes through said 4 said through holes IV (38) of said sub-fixture base baffle (10) and said 4 said threaded holes of said sub-fixture base (9) III (34) is threaded; the locking plate (15) has a pin hole IV (44); the locking plate (15) passes through the pin hole IV (44) of the locking plate (15) Perform pin coupling with the pin hole III (36) of the protrusion (33) of the sub-clamp base (9); the sub-clamp base (9) passes through the sub-clamp base (9) The through hole III (35) of the lug (32) is coupled with the main clamp base (1).

When using a two-way self-centering flat pliers to clamp the workpiece, use the handle (39) of the secondary clamp body (11) to pull the secondary clamp, and then place the workpiece on the two interchangeable secondary clamps (14) between, release the handles (39) of the two secondary clamp bodies (11), so that the two secondary clamp bodies (11) can slide freely, and then clamp and position the workpiece to complete the centering positioning in one direction. Then turn the double screw rod (4), so that the two interchangeable main chucks (13) can clamp the workpiece and position it, and complete the centering and positioning of the workpiece in another direction, and finally pull the secondary chuck body (11) open, and then lock the sub-clamp body (11) through the locking plate (15), so as to reduce the impact of machining vibration on the sub-clamp body (11).

Claims (1)

1. a Bidirectional self-centering flat-nose pliers,, spring, interchangeable main folder head, interchangeable sub-folder head and locking plate concrete primarily of main clamp pedestal, main clamp pedestal baffle plate I, main clamp pedestal baffle plate II, twin-screw, taper pin, primary clamp body clamp body I, primary clamp body clamp body II, screw rod retainer plate, secondary clamp base, secondary clamp base baffle plate, sub-folder are formed, and it is characterized in that: described main clamp pedestal has main guide rail, 8 screwed hole I, 4 screwed hole II; Described main clamp pedestal baffle plate I has 4 through hole I, a central through hole I; Described main clamp pedestal baffle plate II has 4 through hole II, central through hole II; Described twin-screw has taper hole, pin-and-hole I, left hand thread, right-handed thread; Described primary clamp body clamp body I has left handed threaded hole, slot I; Primary clamp body clamp body II has right-handed thread hole, slot II; Described screw rod retainer plate has pin-and-hole II; Described interchangeable main folder head has inserted sheet I; The described left handed threaded hole of described primary clamp body clamp body I connects with the described left hand thread of described twin-screw; The described right-handed thread hole of described clamp body II connects with the described right-handed thread of described twin-screw; The described inserted sheet I of described interchangeable main folder head can insert in the described slot I of described primary clamp body clamp body I and the described slot II of described clamp body II respectively; The described central through hole I of described main clamp pedestal baffle plate I is passed in one end of described twin-screw; 4 the described through hole Is of described main clamp pedestal baffle plate I by described main clamp pedestal baffle plate I and the described screwed hole I thread connection of described main clamp pedestal; The described taper hole that described taper pin inserts described twin-screw connects; The other end of described twin-screw passes the described central through hole II of described main clamp pedestal baffle plate II; 4 the described through hole IIs of described main clamp pedestal baffle plate II by described main clamp pedestal baffle plate II and the described screwed hole I thread connection of described main clamp pedestal; Described screw rod retainer plate adopts pin to fix by the described pin-and-hole I of described pin-and-hole II and described twin-screw that has of described screw rod retainer plate; Described secondary clamp base has a pair lug, two projections, 4 screwed hole III; The described lug of described secondary clamp base has through hole III; The described projection of described secondary clamp base has pin-and-hole III; Described sub-folder specifically has handle, spring eye, slot III; Described secondary clamp base baffle plate has shoulder hole, 4 through hole IV; Described interchangeable sub-folder head has inserted sheet II; The described inserted sheet II of described interchangeable sub-folder head is arranged in the concrete described slot III of described sub-folder; Described sub-folder is specifically installed in described secondary clamp base; Described spring one end is near the concrete described spring eye of described sub-folder; The described spring other end presses the described shoulder hole of described secondary clamp base baffle plate; Described secondary clamp base baffle plate carries out thread connection by 4 described through hole IV of described secondary clamp base baffle plate and 4 described screwed hole III of described secondary clamp base; Described locking plate has described pin-and-hole IV; Described locking plate carries out pin by the described pin-and-hole IV of described locking plate with the described pin-and-hole III of the described projection of described secondary clamp base and connects; Described secondary clamp base is connected with described main clamp pedestal by the described through hole III of the described lug of described secondary clamp base.