CN212735045U

CN212735045U - Automatic change frock clamp for accessories processing

Info

Publication number: CN212735045U
Application number: CN202021097992.1U
Authority: CN
Inventors: 王涛
Original assignee: Kunshan Suofeda Precision Machinery Co Ltd
Current assignee: Kunshan Suofeda Precision Machinery Co Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-03-19
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses an automatic change frock clamp for accessories processing relates to machining anchor clamps technical field, specifically is an automatic change frock clamp for accessories processing, including fixed pylon, the inside joint of fixed pylon has the transmission center post, and the outside top fixed mounting of transmission center post has four one-level connecting rods. This automatic change frock clamp for accessories processing, inside advancing four clamping jaws with the disc card, and make the disc spare place at the support ring top, apply the pulling force to second grade connecting rod and clamping jaw through the inside extension spring of one-level connecting rod, thereby make four inboard disc spare that closely laminate of clamping jaw, the rotating bull stick drives initiative bevel gear and driven bevel gear rotation, thereby drive transmission center post and second grade connecting rod, the clamping jaw downstream, compress tightly the disc spare through four clamping jaws, the realization is to the clamping of disc spare, the degree of difficulty of clamping has been reduced, and the work efficiency is improved.

Description

Automatic change frock clamp for accessories processing

Technical Field

The utility model relates to a machining anchor clamps technical field specifically is an automatic change frock clamp for accessories processing.

Background

When a workpiece is machined on a machine tool, positioning machining of fixtures, such as drill fixtures and milling fixtures used in drilling and milling, is often required. The clamp is a technological device used for quickly fastening a workpiece during processing so as to keep a machine tool, a cutter and the workpiece at correct relative positions.

At present lathe add man-hour disc work piece mainly through the screw rod, clamp plate and T-shaped piece are fixed to disc spare, need demolish fixed clamp plate all around when carrying out the clamping to disc spare, and the operation is comparatively troublesome, leads to work efficiency to reduce, and in addition, need fix a position again when carrying out the clamping to disc spare at every turn, further leads to work efficiency to reduce, fixes disc spare through the clamp plate, can not satisfy the production needs.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an automatic change frock clamp for accessories processing has the degree of difficulty that reduces the clamping, reduces advantages such as the degree of difficulty of clamping location once more, has solved the problem that proposes among the above-mentioned background art.

For the purpose of the degree of difficulty that reduces the clamping more than realizing, reduce the degree of difficulty of clamping location once more, the utility model discloses a following technical scheme realizes: a tooling fixture for automatic part machining comprises a fixed tower frame, a transmission central column is clamped inside the fixed tower frame, and four primary connecting rods are fixedly arranged above the outer part of the transmission central column, a secondary connecting rod is movably sleeved in the primary connecting rod, and one end of the second-stage connecting rod is fixedly provided with a clamping jaw, the other end of the second-stage connecting rod is fixedly provided with an extension spring positioned in the first-stage connecting rod, the inside of the fixed tower frame is fixedly provided with a fixed ring positioned below the transmission central column, the middle part of the fixed ring is movably sleeved with a transmission shaft, the bottom end of the transmission shaft is fixedly provided with a driven bevel gear, the side surface of the fixed tower is movably provided with a rotating rod, and one end of the rotating rod is fixedly provided with a driving bevel gear matched with the driven bevel gear, and a fixing lug is fixedly arranged below the outer side of the fixed tower.

Preferably, the top of the fixed tower frame is provided with a through hole matched with the transmission center column, the top of the fixed tower frame is provided with rectangular grooves matched with the four clamping jaws, and the width values of the rectangular grooves are the same as those of the clamping jaws.

Preferably, the upper part of the outside of the transmission shaft and the inside of the transmission center post are provided with threads which are matched with each other, and the outside of the transmission shaft is fixedly sleeved with two limiting rings which are positioned at the upper side and the lower side of the fixing ring.

Preferably, the driving bevel gear and the driven bevel gear have the same specification, and the outer edge of the driving bevel gear is meshed with the driven bevel gear.

Preferably, the top of the fixed tower frame is fixedly provided with a support ring, and the top of the fixed tower frame is clamped with a protection plate matched with the through hole in the top of the fixed tower frame and the rectangular groove.

Preferably, the bottom of the first-level connecting rod is fixedly provided with two guide rods movably connected with the fixed tower frame, and the number of the guide rods at the bottom of the first-level connecting rod is two.

The utility model provides an automatic change frock clamp for accessories processing possesses following beneficial effect:

1. this automatic change frock clamp for accessories processing, inside advancing four clamping jaws with the disc card, and make the disc spare place at the support ring top, apply the pulling force to second grade connecting rod and clamping jaw through the inside extension spring of one-level connecting rod, thereby make four inboard disc spare that closely laminate of clamping jaw, the rotating bull stick drives initiative bevel gear and driven bevel gear rotation, thereby drive transmission center post and second grade connecting rod, the clamping jaw downstream, compress tightly the disc spare through four clamping jaws, the realization is to the clamping of disc spare, the degree of difficulty of clamping has been reduced, and the work efficiency is improved.

2. This automatic change frock clamp for accessories processing, with the inside back of four clamping jaws of disc spare block income, exert pulling force to second grade connecting rod and clamping jaw through the inside extension spring of four one-level connecting rods, and four extension spring specifications are the same to make four clamping jaws displacement distance the same, thereby fix the centre gripping of centering at fixed pylon top middle part to disc spare, reduced the degree of difficulty to disc spare location once more.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a section of the fixed tower according to the present invention;

fig. 3 is a schematic structural view of the outside of the transmission center post of the present invention.

In the figure: 1. fixing a tower; 2. a drive central column; 3. a primary connecting rod; 4. a secondary connecting rod; 5. a clamping jaw; 6. an extension spring; 7. a drive shaft; 8. a driven bevel gear; 9. a fixing ring; 10. a limiting ring; 11. a rotating rod; 12. a driving bevel gear; 13. a support ring; 14. a protection plate; 15. a guide bar; 16. and fixing the ears.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a tooling fixture for automatic part machining comprises a fixed tower frame 1, a transmission central column 2 is clamped inside the fixed tower frame 1, four primary connecting rods 3 are fixedly mounted above the outer portion of the transmission central column 2, secondary connecting rods 4 are movably sleeved inside the primary connecting rods 3, clamping jaws 5 are fixedly mounted at one ends of the secondary connecting rods 4, through holes matched with the transmission central column 2 are formed in the top of the fixed tower frame 1, rectangular grooves matched with the four clamping jaws 5 are formed in the top of the fixed tower frame 1, the width of each rectangular groove is the same as the width of each clamping jaw 5, the position of the transmission central column 2 is limited through the through holes, the transmission central column 2 can only move up and down, the stability of the transmission central column 2 during working is improved, and the positions of the clamping jaws 5 are limited through the rectangular grooves with the same width as the clamping jaws 5, the stability of the clamping jaw 5 during moving is improved, the clamping jaw 5 can stably clamp a disc part, the other end of the second-level connecting rod 4 is fixedly provided with an extension spring 6 positioned inside the first-level connecting rod 3, the inside of the fixed tower frame 1 is fixedly provided with a fixed ring 9 positioned below the transmission central column 2, the middle part of the fixed ring 9 is movably sleeved with a transmission shaft 7, the upper part of the outside of the transmission shaft 7 and the inside of the transmission central column 2 are provided with mutually matched threads, the outside of the transmission shaft 7 is fixedly sleeved with two limit rings 10 positioned at the upper side and the lower side of the fixed ring 9, the upper part of the outside of the transmission shaft 7 and the inside of the transmission central column 2 are provided with mutually matched threads, the transmission shaft 7 can drive the transmission central column 2 to move up and down when the transmission shaft 7 is driven by the driven bevel gear 8 to rotate, the validity of the, the stability of the transmission shaft 7 during rotation is ensured, a driven bevel gear 8 is fixedly installed at the bottom end of the transmission shaft 7, a rotating rod 11 is movably installed on the side surface of the fixed tower frame 1, a driving bevel gear 12 matched with the driven bevel gear 8 is fixedly installed at one end of the rotating rod 11, the driving bevel gear 12 and the driven bevel gear 8 are identical in specification, the outer edge of the driving bevel gear 12 is meshed with the driven bevel gear 8, the driving bevel gear 12 and the driven bevel gear 8 are used for transmission, the transmission efficiency is ensured, meanwhile, the transmission direction is changed through the driving bevel gear 12 and the driven bevel gear 8, the device can adjust the transmission shaft 7 through the rotating rod 11, the adjustment difficulty is reduced, a fixing lug 16 is fixedly installed below the outer side of the fixed tower frame 1, a support ring 13 is fixedly installed at the top of the fixed tower frame 1, a through hole is clamped at the top of, Rectangular channel mutually supports's guard plate 14, support ring 13 through 1 top of fixed pylon supports disc spare, the stability when disc spare adds man-hour has been guaranteed, in addition, protect 1 top of fixed pylon through guard plate 14, the piece that prevents to process the production gets into and link up inside to drive shaft 7 and the transmission center post 2 transmission cause the influence, the bottom fixed mounting of one-level connecting rod 3 has guide bar 15 with 1 swing joint of fixed pylon, and 3 bottom guide bar 15's of one-level connecting rod quantity is two, guide bar 15 through 3 bottoms of one-level connecting rod leads when 3 removes of one-level connecting rod, the skew appears in the position when preventing 3 removes of one-level connecting rod, the validity of the device has been guaranteed.

In conclusion, this automatic frock clamp for accessories processing, during the use, fix the device at the lathe workstation top through fixed ear 16, with inside four clamping jaws 5 of disc spare card, exert pulling force to second grade connecting rod 4 and clamping jaw 5 through the inside extension spring 6 of four first-order connecting rods 3, because four extension spring 6 specifications are the same, make four clamping jaws 5 migration distance the same, thereby carry out the centre gripping to disc spare through four clamping jaws 5, rotating rod 11 drives initiative bevel gear 12 and driven bevel gear 8 and rotates, thereby drive transmission shaft 7 and rotate, drive transmission center post 2 and four first-order connecting rods 3, second grade connecting rod 4, clamping jaw 5 moves down, compress tightly disc spare, can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic change frock clamp for accessories processing, includes fixed pylon (1), its characterized in that: the inner clamping of the fixed tower (1) is provided with a transmission center post (2), four first-stage connecting rods (3) are fixedly arranged above the outer part of the transmission center post (2), a second-stage connecting rod (4) is movably sleeved inside the first-stage connecting rods (3), a clamping jaw (5) is fixedly arranged at one end of the second-stage connecting rod (4), a tension spring (6) positioned inside the first-stage connecting rods (3) is fixedly arranged at the other end of the second-stage connecting rod (4), a fixing ring (9) positioned below the transmission center post (2) is fixedly arranged inside the fixed tower (1), a transmission shaft (7) is movably sleeved in the middle of the fixing ring (9), a driven bevel gear (8) is fixedly arranged at the bottom end of the transmission shaft (7), a rotating rod (11) is movably arranged on the side surface of the fixed tower (1), and a driving bevel gear (12) matched with the driven bevel gear (8), and a fixing lug (16) is fixedly arranged below the outer side of the fixed tower (1).

2. The automatic change frock clamp for accessories processing of claim 1, characterized in that: the top of the fixed tower frame (1) is provided with a through hole matched with the transmission center column (2), the top of the fixed tower frame (1) is provided with rectangular grooves matched with the four clamping jaws (5), and the width values of the rectangular grooves are the same as those of the clamping jaws (5).

3. The automatic change frock clamp for accessories processing of claim 1, characterized in that: the transmission device is characterized in that threads matched with each other are arranged above the outer portion of the transmission shaft (7) and inside the transmission center column (2), and two limiting rings (10) located on the upper side and the lower side of the fixing ring (9) are fixedly sleeved on the outer portion of the transmission shaft (7).

4. The automatic change frock clamp for accessories processing of claim 1, characterized in that: the driving bevel gear (12) and the driven bevel gear (8) are in the same specification, and the outer edge of the driving bevel gear (12) is meshed with the driven bevel gear (8).

5. The automatic change frock clamp for accessories processing of claim 1, characterized in that: the top fixed mounting of fixed pylon (1) has support ring (13), the top joint of fixed pylon (1) has guard plate (14) mutually supporting with fixed pylon (1) top through hole, rectangular channel.

6. The automatic change frock clamp for accessories processing of claim 1, characterized in that: the bottom of the first-level connecting rod (3) is fixedly provided with two guide rods (15) movably connected with the fixed tower frame (1), and the number of the guide rods (15) at the bottom of the first-level connecting rod (3) is two.