CN218397011U

CN218397011U - Clamp for machining workpiece

Info

Publication number: CN218397011U
Application number: CN202222153304.4U
Authority: CN
Inventors: 张奎; 高坡; 陈跃
Original assignee: Kunshan Niannianfu Precision Electronic Parts Co ltd
Current assignee: Kunshan Niannianfu Precision Electronic Parts Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2023-01-31
Anticipated expiration: 2032-08-16

Abstract

The utility model relates to an anchor clamps are used in processing to work piece, the on-line screen storage device comprises a base, be equipped with clamping device, guider and adsorption equipment on the base, clamping device includes lead screw, fixing base, removes the seat, the tight piece of first clamp and the tight piece of second clamp, be equipped with the spout on the base, the lead screw setting is in the spout, and the both ends of lead screw all run through the base and set up the outside at the base, and the both ends of lead screw all rotate with the base to be connected, remove a thread bush and establish outside the lead screw, and remove the seat slip and set up in the spout, the utility model discloses in be provided with the tight piece of first clamp and the tight piece of second clamp and press from both sides it tightly in the both sides of work piece, can not shelter from the upper surface of work piece, do not influence milling cutter's normal operating, be provided with the tight piece complex first profile groove of first clamp and the second profile groove on the tight piece of first clamp and the second, be convenient for fixing a position and press from both sides the work piece, and be equipped with the fourth locating pin in the first profile groove, further fix a position the work piece.

Description

Clamp for machining workpiece

Technical Field

The utility model relates to an anchor clamps technical field specifically is an anchor clamps are being processed to work piece.

Background

When a disc workpiece mills the upper surface, the workpiece is generally placed on a locating pin and is pressed tightly by a pressing clamp, but the pressing clamp can shield the upper surface of the workpiece, so that the milling cutter can process the surface of the workpiece; in addition, some clamps clamp the disc workpiece on two sides of the disc workpiece, but in the clamping process, the lower surface of the workpiece cannot be always attached to a machining reference surface, so that machining errors can occur in the machining of the milling cutter; meanwhile, some clamps clamp the workpiece through the bench clamp, but the lead screw is not easy to install on the workbench, and the clamping block on the bench clamp is not easy to guide when moving.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the problem that exists among the prior art, the utility model provides a work piece is anchor clamps are used in processing to solve the technical problem who mentions in the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a work piece is anchor clamps for processing, includes the base, be equipped with clamping device, guider and adsorption equipment on the base, clamping device includes lead screw, fixing base, removal seat, the tight piece of first clamp and the tight piece of second clamp, be equipped with the spout on the base, the lead screw sets up in the spout, and the both ends of lead screw all run through the base and set up the outside at the base, the both ends of lead screw all rotate with the base and connect, remove a thread bush and establish outside the lead screw, and remove the seat and slide and set up in the spout, fixing base fixed mounting is in one side of base, the tight piece of first clamp and the tight piece of second clamp are installed respectively on fixing base and removal seat, are equipped with first profile groove and second profile groove on the tight piece of first clamp and the tight piece of second clamp respectively, guider includes first locating pin and second locating pin, first locating pin and second locating pin set up respectively on the tight piece of first clamp and the tight piece of second clamp, be provided with first locating pin complex second locating hole on the tight piece of second clamp.

Preferably, adsorption equipment includes first mechanism and the second mechanism of bleeding, first mechanism of bleeding includes first exhaust tube, first air flue and first gas pocket, first gas pocket is provided with a plurality of, and all sets up on the first tight piece of clamp, and the top of first gas pocket is located first profile modeling inslot, and first exhaust tube is fixed to be set up in one side of first tight piece of clamp, and first air flue is seted up in first tight piece of clamp, and first air flue and first gas pocket and first exhaust tube intercommunication make the work piece laminate all the time in the course of working in the surface in first profile modeling groove and second profile modeling groove, prevent that it from taking place the skew and leading to the appearance machining error.

Preferably in further, the second air exhaust mechanism comprises a second air exhaust pipe, a second air passage and a second air hole, the second air hole is provided with a plurality of air holes which are all arranged on the second clamping block, the top of the second air hole is positioned in the second contour groove, the second air exhaust pipe is fixedly arranged at one end of the second clamping block, the second air passage is arranged in the second clamping block, and the second air passage, the second air hole and the second air hole are communicated with the second air exhaust pipe, so that the workpiece is always attached to the surfaces of the first contour groove and the second contour groove in the machining process, and machining errors caused by deviation of the workpiece are prevented.

Preferably in further, the both ends of lead screw all are equipped with the link, the equal sliding sleeve of link is equipped with the bearing, be provided with on the base with bearing complex through-hole, the one end of bearing is equipped with the limiting plate, and limiting plate and base pass through bolt detachably and connect, are convenient for install the lead screw.

In further preferred, the both sides of base all are equipped with the connecting seat, are equipped with logical groove on the connecting seat, are convenient for install the base.

In further preferred, all be equipped with the third locating pin on fixing base and the removal seat, press from both sides tight piece and the second and press from both sides and all be provided with the third locating hole with third locating pin complex on the piece, first press from both sides tight piece and pass through bolt detachably with the fixing base and connect, the second presss from both sides tight piece and removes the seat and pass through bolt detachably and connect, is convenient for fix a position it when first pressing from both sides tight piece of installation and second press from both sides tight piece.

In a further preferred mode, a fourth positioning pin is arranged in the first contour groove, so that the workpiece can be positioned conveniently.

(III) advantageous effects

Compared with the prior art, the utility model provides a work piece is anchor clamps are used in processing possesses following beneficial effect:

1. the first clamping block and the second clamping block are arranged in the milling cutter, so that the workpiece is clamped on two sides of the workpiece, the upper surface of the workpiece is not shielded, the normal operation of the milling cutter is not influenced, the first profiling groove and the second profiling groove matched with the workpiece are arranged on the first clamping block and the second clamping block, the workpiece is conveniently positioned and clamped, and the fourth positioning pin is arranged in the first profiling groove, so that the workpiece is further positioned;

2. in the utility model, the first profile groove and the second profile groove are respectively provided with a first air exhaust mechanism and a second air exhaust mechanism, so that a workpiece is always attached to the surfaces of the first profile groove and the second profile groove in the processing process, and the processing error caused by the deviation of the workpiece is prevented;

3. the utility model discloses in be equipped with first locating pin and second locating pin on the tight piece of first clamp and the tight piece of second clamp respectively, and the second clamp be provided with on the tight piece with first locating pin complex first locating hole, be provided with on the tight piece of first clamp with second locating pin complex second locating hole, be convenient for press from both sides tight piece to the second when the tight piece of second clamp removes and lead, improve the tight precision of clamp.

Drawings

Fig. 1 is a schematic view of an overall structure of a fixture for processing a workpiece according to the present invention;

FIG. 2 is a schematic view of the unconnected state of the lead screw and the base of the present invention;

fig. 3 is a schematic view illustrating a state where the first clamping block and the second clamping block are not connected;

fig. 4 is another schematic angle structure diagram of fig. 3 according to the present invention;

fig. 5 is a schematic structural view of the middle movable seat of the present invention.

In the figure: 1. a base; 2. a lead screw; 3. a fixed seat; 4. a movable seat; 5. a first clamping block; 6. a second clamping block; 7. a chute; 8. a first contour groove; 9. a second contour groove; 10. a first positioning pin; 11. a second positioning pin; 12. a first positioning hole; 13. a second positioning hole; 14. a first exhaust tube; 15. a first air passage; 16. a first air hole; 17. a second exhaust pipe; 18. a second air passage; 19. a second air hole; 20. a connecting end; 21. a bearing; 22. a through hole; 23. a limiting plate; 24. a connecting seat; 25. a through groove; 26. a third positioning pin; 27. a third positioning hole; 28. and a fourth positioning pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

please refer to fig. 1-5, a fixture for processing a workpiece, including a base 1, a clamping device is provided on the base 1, a guiding device and an adsorbing device, the clamping device includes a screw rod 2, a fixing seat 3, a moving seat 4, a first clamping block 5 and a second clamping block 6, a chute 7 is provided on the base 1, the screw rod 2 is disposed in the chute 7, and both ends of the screw rod 2 penetrate through the base 1 and are disposed outside the base 1, both ends of the screw rod 2 are rotatably connected with the base 1, a threaded sleeve of the moving seat 4 is disposed outside the screw rod 2, and the moving seat 4 is slidably disposed in the chute 7, the fixing seat 3 is fixedly mounted on one side of the base 1, the first clamping block 5 and the second clamping block 6 are respectively mounted on the fixing seat 3 and the moving seat 4, a first profile groove 8 and a second profile groove 9 are respectively provided on the first clamping block 5 and the second clamping block 6, the guiding device includes a first positioning pin 10 and a second positioning pin 11, the first positioning pin 10 and the second positioning pin 11 are respectively disposed on the first clamping block 5 and the second clamping block 6, a positioning pin 10 and a second clamping hole 12 is provided on the second clamping block 6, and a second positioning pin 13. Both sides of base 1 all are equipped with connecting seat 24, are equipped with logical groove 25 on the connecting seat 24.

Referring to fig. 1-5, the adsorption apparatus includes a first air pumping mechanism and a second air pumping mechanism, the first air pumping mechanism includes a first air pumping pipe 14, a first air channel 15 and a first air hole 16, the first air hole 16 is provided with a plurality of air holes and is disposed on the first clamping block 5, the top of the first air hole 16 is located in the first contour groove 8, the first air pumping pipe 14 is fixedly disposed on one side of the first clamping block 5, the first air channel 15 is disposed in the first clamping block 5, and the first air channel 15 is communicated with the first air hole 16 and the first air pumping pipe 14. The second mechanism of bleeding includes second exhaust tube 17, second air flue 18 and second gas pocket 19, and second gas pocket 19 is provided with a plurality of, and all sets up on the second presss from both sides tight piece 6, and the top of second gas pocket 19 is located second profile modeling groove 9, and second exhaust tube 17 is fixed to be set up in the one end that the second pressed from both sides tight piece 6, and second air flue 18 is seted up in the second presss from both sides tight piece 6, and second air flue 18 and second gas pocket 19 and second exhaust tube 17 intercommunication. A fourth positioning pin 28 is arranged in the first contour groove 8. When the fixture is used, a workpiece is placed above the first contour groove 8 and the second contour groove 9, the positioning hole in the workpiece is matched with the fourth positioning pin 28 in the first contour groove 8, the outer edge of the workpiece is matched with the first contour groove 8, the first air exhaust pipe 14 and the second air exhaust pipe 17 are respectively connected with an external air pump, air in the first air exhaust pipe 14 is exhausted through the air pump, the first air channel 15 and the first air hole 16 are in a negative pressure state, the workpiece is adsorbed in the first contour groove 8, the movable seat 4 moves towards the direction close to the fixed seat 3, the second clamping block 6 is driven to move towards the direction close to the first clamping block 5, the second contour groove 9 is matched with the workpiece, the workpiece is clamped, air in the second air exhaust pipe 17 is exhausted through the air pump, the second air channel 18 and the second air hole 19 are in a negative pressure state, the workpiece is adsorbed in the second contour groove 9, and the workpiece is prevented from shifting in the machining process.

Referring to fig. 1-5, two ends of the screw 2 are both provided with a connecting end 20, the connecting ends 20 are both slidably sleeved with a bearing 21, the base 1 is provided with a through hole 22 matched with the bearing 21, one end of the bearing 21 is provided with a limiting plate 23, and the limiting plate 23 is detachably connected with the base 1 through a bolt. When using, insert lead screw 2 in base 1's through-hole 22, establish two bearings 21 outside link 20 at lead screw 2's both ends cover respectively, until two bearings 21 and the laminating of lead screw 2, pass the limiting plate 23 with the bolt after and base 1 is connected fixedly, realize that bearing 21 and lead screw 2's installation is fixed, connect lead screw 2 and external motor, drive lead screw 2 through the motor and rotate.

Referring to fig. 1-5, the fixed seat 3 and the movable seat 4 are both provided with a third positioning pin 26, the first clamping block 5 and the second clamping block 6 are both provided with a third positioning hole 27 matched with the third positioning pin 26, the first clamping block 5 and the fixed seat 3 are detachably connected by a bolt, and the second clamping block 6 and the movable seat 4 are detachably connected by a bolt. When the clamping device is used, the third positioning hole 27 in the first clamping block 5 is matched with the third positioning pin 26 in the fixed seat 3, the first clamping block 5 and the fixed seat 3 are fixedly connected through the bolt, and the second clamping block 6 and the movable seat 4 are fixedly connected according to the same mode.

Example 2:

in summary, when the mobile base is used, the screw rod 2 is inserted into the through hole 22 of the base 1, the two bearings 21 are respectively sleeved outside the connecting end 20 at two ends of the screw rod 2, until the two bearings 21 and the screw rod 2 are attached to each other, the bolt passes through the limiting plate 23 and then is fixedly connected with the base 1, so that the bearings 21 and the screw rod 2 are fixedly installed, the screw rod 2 is connected with an external motor, the third positioning hole 27 on the first clamping block 5 is matched with the third positioning pin 26 on the fixed base 3, the first clamping block 5 and the fixed base 3 are fixedly connected through the bolt, the second clamping block 6 and the mobile base 4 are fixedly connected according to the same manner, the bolt passes through the through groove 25 on the connecting base 24 and then is connected with a desktop, so that the installation and fixation of the base 1 is achieved, the first positioning pin 10 is matched with the first positioning hole 12, the second positioning pin 11 is matched with the second positioning hole 13, the motor drives the screw rod 2 to rotate and further drive the mobile base 4 to move, and the mobile base 4 is in the moving process, the first positioning pin 10 is matched with the second positioning hole 13 to guide the positioning pin.

Example 3:

in summary, when in use, a workpiece is placed above the first contour groove 8 and the second contour groove 9, the positioning hole on the workpiece is matched with the fourth positioning pin 28 in the first contour groove 8, the outer edge of the workpiece is matched with the first contour groove 8, the first air exhaust pipe 14 and the second air exhaust pipe 17 are respectively connected with an external air pump, air in the first air exhaust pipe 14 is exhausted by the air pump, the first air passage 15 and the first air hole 16 are in a negative pressure state, the workpiece is adsorbed in the first contour groove 8, the movable base 4 moves towards the direction close to the fixed base 3, the second clamping block 6 is driven to move towards the direction close to the first clamping block 5, the second contour groove 9 is matched with the workpiece, the workpiece is clamped, air in the second air exhaust pipe 17 is exhausted by the air pump, the second air passage 18 and the second air hole 19 are in a negative pressure state, the workpiece is adsorbed in the second contour groove 9, and the workpiece is prevented from shifting in the machining process.

In all the above-mentioned solutions, the actual choice of welding, bolt and nut fit connection, bolt or screw connection or other known connection methods related to the connection between two components is not repeated herein, and all the references in the above are related to the fixed connection, and preferably considered to be welding, although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a work piece is anchor clamps for processing, includes base (1), its characterized in that: the clamping device comprises a lead screw (2), a fixed seat (3), a movable seat (4), a first clamping block (5) and a second clamping block (6), a sliding groove (7) is formed in the base (1), the lead screw (2) is arranged in the sliding groove (7), the two ends of the lead screw (2) penetrate through the base (1) and are arranged outside the base (1), the two ends of the lead screw (2) are rotatably connected with the base (1), the movable seat (4) is sleeved outside the lead screw (2) in a threaded manner, the movable seat (4) is arranged in the sliding groove (7) in a sliding manner, the fixed seat (3) is fixedly arranged on one side of the base (1), the first clamping block (5) and the second clamping block (6) are respectively arranged on the fixed seat (3) and the movable seat (4), the first clamping block (5) and the second clamping block (6) are respectively provided with a first simulated groove (8) and a second simulated groove (9), the guiding device comprises a first positioning pin (10) and a second positioning pin (10), the second positioning pin (11) and a second positioning hole (11) are respectively arranged on the positioning pin (6), the first clamping block (5) is provided with a second positioning hole (13) matched with the second positioning pin (11).

2. A jig for use in processing a workpiece according to claim 1, wherein: the adsorption device comprises a first air exhaust mechanism and a second air exhaust mechanism, the first air exhaust mechanism comprises a first air exhaust pipe (14), a first air passage (15) and a first air hole (16), the first air hole (16) is provided with a plurality of air holes, the air holes are all arranged on the first clamping block (5), the top of the first air hole (16) is located in the first profiling groove (8), the first air exhaust pipe (14) is fixedly arranged on one side of the first clamping block (5), the first air passage (15) is arranged in the first clamping block (5), and the first air passage (15) is communicated with the first air hole (16) and the first air exhaust pipe (14).

3. A jig for use in processing a workpiece according to claim 2, wherein: the second air pumping mechanism comprises a second air pumping pipe (17), a second air passage (18) and a second air hole (19), the second air hole (19) is provided with a plurality of air holes which are all arranged on the second clamping block (6), the top of each second air hole (19) is positioned in the corresponding second contour groove (9), the second air pumping pipe (17) is fixedly arranged at one end of the second clamping block (6), the second air passage (18) is arranged in the second clamping block (6), and the second air passage (18), the second air hole (19) and the second air pumping pipe (17) are communicated.

4. A jig for use in processing a workpiece according to claim 1, wherein: both ends of lead screw (2) all are equipped with link (20), the equal sliding sleeve of link (20) is equipped with bearing (21), be provided with on base (1) with bearing (21) complex through-hole (22), the one end of bearing (21) is equipped with limiting plate (23), and limiting plate (23) and base (1) are through bolt detachably connection.

5. A jig for use in processing a workpiece according to claim 1, wherein: both sides of base (1) all are equipped with connecting seat (24), are equipped with logical groove (25) on connecting seat (24).

6. A jig for use in processing a workpiece according to claim 1, wherein: all be equipped with third locating pin (26) on fixing base (3) and removal seat (4), all be provided with on first clamp tight piece (5) and the second clamp tight piece (6) with third locating pin (26) complex third locating hole (27), first clamp tight piece (5) and fixing base (3) pass through bolt detachably and connect, the second clamp tight piece (6) and remove seat (4) and pass through bolt detachably and connect.

7. A jig for use in processing a workpiece according to claim 1, wherein: and a fourth positioning pin (28) is arranged in the first contour groove (8).