CN212653067U

CN212653067U - Special clamp for machining small deep holes

Info

Publication number: CN212653067U
Application number: CN202021393853.3U
Authority: CN
Inventors: 秦香果; 张子英; 吴凤彪; 张盼盼
Original assignee: Shanxi Institute Of Energy
Current assignee: Shanxi Institute Of Energy
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-05
Anticipated expiration: 2030-07-15

Abstract

The utility model belongs to the technical field of anchor clamps, especially, a special fixture for dark aperture processing. The special fixture for processing the existing deep small holes is mainly manually operated, wastes time and labor, is low in automation level, cannot accurately control the adjusted angle when needing to process holes at different angles, and greatly influences the precision and efficiency of processing the deep small holes. The scheme includes that the U-shaped support is included, connecting shafts are rotatably connected to two sides of the inner wall of the U-shaped support, and mounting blocks are fixed on the periphery of the outer wall of the U-shaped support. The utility model discloses a location, clamping mechanism can be fast effectively fix a position, press from both sides tightly the work piece, guarantee that the work piece is accurate, press from both sides tight reliable and stable in the in-process location that carries out deep hole processing, and the adjustment location is quick, accurate when can also realizing the hole of different angles on the processing work piece simultaneously, and its automation level is high, has alleviateed workman's intensity of labour, labour saving and time saving, and the clamping effect is good.

Description

Special clamp for machining small deep holes

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a special fixture for dark aperture processing.

Background

The machine tool clamp is a device used for finishing the tasks of positioning and clamping a workpiece on a machine tool.

The special fixture of present dark aperture processing, it presss from both sides tightly mostly manual operation, wastes time and energy, and automatic level is low, and when needs carry out the spot facing work of different angles, can't carry out accurate control to the angle of adjustment, has influenced the precision and the efficiency of dark aperture processing greatly, for this we have designed a special fixture for dark aperture processing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special fixture for deep hole processing has solved the special fixture of current deep hole processing, and it presss from both sides tightly mostly manual operation, wastes time and energy, and automatic level is low, and needs carry out the hole of different angles and add man-hour, can't carry out accurate control to the angle of adjustment, has influenced the precision of deep hole processing and the problem of efficiency greatly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a special fixture for dark aperture processing, includes U type support, the inner wall both sides of U type support all rotate and are connected with the connecting axle, and the outer wall of U type support all is fixed with the installation piece all around, has seted up the mounting hole in the installation piece, and threaded connection has the fastener in the mounting hole, is fixed with the rotor plate between two connecting axles, and the top of rotor plate is fixed with the anchor clamps body, installs clamping mechanism on the anchor clamps body, and the top of anchor clamps body is fixed with the work piece through clamping mechanism, is connected with adjustment mechanism between rotor plate and the U type support.

Preferably, the two connecting shafts are symmetrical about a center point of the U-shaped bracket.

Preferably, adjustment mechanism is including rotating the pivot of connecting at U type support inner wall, two symmetrical carousels are connected in the outside of pivot, the top of carousel is equipped with the arc piece of fixing on U type support inner wall, the surperficial middle part of arc piece is fixed with the pointer, laminate mutually between arc piece and the carousel, the surperficial equidistance of carousel is equipped with the angle line, the inside swing joint of carousel has the reference column, seted up in the carousel with reference column matched with arc wall, the outside threaded connection of reference column has the hand to twist the nut, the both ends of pivot extend to the outer wall both sides of U type support respectively, and be fixed with gear one, one side meshing of gear one is connected with gear two, the one end of pivot is fixed with the rotation.

Preferably, one end of the connecting shaft extends to the outer side of the U-shaped bracket and is connected with the second gear.

Preferably, clamping mechanism includes two splint of sliding connection on the anchor clamps body, the bottom of two splint all is fixed with removes the seat, the top of anchor clamps body is seted up and is removed seat matched with shifting chute, the bottom of two removal seats all is fixed with the movable block, the inner chamber has been seted up to the inside of anchor clamps body, two movable blocks all extend to the inner chamber, and threaded connection has the screw rod, external screw thread on two screw rods is revolved to opposite, be equipped with the double-shaft motor of fixing in the inner chamber between two movable blocks, two output shafts of double-shaft motor link to each other with the one end of two screw rods respectively.

Preferably, the vertical section of the movable seat is T-shaped, and the movable groove is connected with the inner cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses among the clamping mechanism, splint, remove the seat, the movable block, screw rod and biax motor's cooperation is down, through placing its clamping work piece on the anchor clamps body smoothly, and start through biax motor, and then drive two screw rods and carry out clockwise rotation, thereby make two movable blocks can remove relatively, and can drive two splint and carry out relative movement, then effectively press from both sides tightly the work piece of placing, guarantee the stability of work piece when carrying out deep hole processing, can also install fixedly to the work piece of equidimension not simultaneously, its automation level is high, intensity of labour when having alleviateed artifical installation, time saving and labor saving, fixed effect is good.

2. The utility model discloses among the adjustment mechanism, through the pivot, the carousel, gear one, the reference column, the arc wall, the nut is twisted to the hand, the arc piece, the angle line, the rotation handle, the cooperation of gear two and pointer, and through twisting nut to two hands not hard up, thereby can drive the pivot rotation through rotating the handle, thereby make two gears one drive two rotations of gear with it meshing, then the angle of the anchor clamps body on the rotor plate changes thereupon, and the setting of cooperation angle line and pointer, can carry out accurate control to the angle that anchor clamps body was adjusted, when avoiding adjusting, the difficult problem of mastering of angle, influence the precision of work piece when adding man-hour, the efficiency of work piece production and processing has been improved.

3. The utility model discloses in, through the setting of fastener and installation piece, be convenient for install the device integral erection on the machining center operation panel, the convenience is dismantled or is installed the device.

Drawings

Fig. 1 is a schematic structural view of a special fixture for machining a deep small hole according to the present invention;

fig. 2 is a schematic structural diagram of a left side view of a turntable on the right side of a special fixture for machining a deep small hole according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a position a of the special fixture for machining deep holes provided by the present invention.

In the figure: 1. a U-shaped bracket; 2. a connecting shaft; 3. a rotating plate; 4. a clamp body; 5. a workpiece; 6. an adjustment mechanism; 601. a rotating shaft; 602. a turntable; 603. a first gear; 604. a positioning column; 605. an arc-shaped slot; 606. screwing the nut by hand; 607. an arc-shaped block; 608. an angle line; 609. rotating the handle; 610. a second gear; 611. a pointer; 7. mounting blocks; 8. a clamping mechanism; 801. a splint; 802. a movable seat; 803. a movable block; 804. a screw; 805. a two-shaft motor.

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. 1-3, a special fixture for machining deep small holes comprises a U-shaped support 1, a connecting shaft 2, a rotating plate 3, a fixture body 4, a workpiece 5, an adjusting mechanism 6, a rotating shaft 601, a rotating disc 602, a first gear 603, a positioning column 604, an arc-shaped groove 605, a hand nut 606, an arc-shaped block 607, an angle line 608, a rotating handle 609, a second gear 610, a pointer 611, an installation block 7, a clamping mechanism 8, a clamping plate 801, a moving seat 802, a moving block 803, a screw 804 and a double-shaft motor 805, wherein both sides of the inner wall of the U-shaped support 1 are rotatably connected with the connecting shaft 2, the periphery of the outer wall of the U-shaped support 1 is fixedly provided with the installation block 7, an installation hole is formed in the installation block 7, a fastening piece is connected with a thread, the rotating plate 3 is fixed between the two connecting shafts 2, the top of the rotating plate 3 is fixedly, the top of the clamp body 4 is fixed with a workpiece 5 through a clamping mechanism 8, an adjusting mechanism 6 is connected between the rotating plate 3 and the U-shaped support 1, and the device and an external machining operation table are fixedly mounted conveniently through the arrangement of a mounting block 7 and a fastener.

Furthermore, two connecting shafts 2 are symmetrical about the central point of the U-shaped support 1, and the rotating plate 3 can rotate with the U-shaped support 1 through the connecting shafts 2, so that the rotation of the angle is realized.

Furthermore, the adjusting mechanism 6 comprises a rotating shaft 601 rotatably connected to the inner wall of the U-shaped support 1, two symmetrical rotating discs 602 are connected to the outer side of the rotating shaft 601, an arc-shaped block 607 fixed to the inner wall of the U-shaped support 1 is arranged above the rotating discs 602, a pointer 611 is fixed to the middle of the surface of the arc-shaped block 607, the arc-shaped block 607 is attached to the rotating discs 602, an angle line 608 is equidistantly arranged on the surface of the rotating discs 602, positioning columns 604 are movably connected to the inner part of the rotating discs 602, an arc-shaped groove 605 matched with the positioning columns 604 is formed in the rotating discs 602, a hand nut 606 is connected to the outer side of the positioning columns 604 through a thread, two ends of the rotating shaft 601 respectively extend to two sides of the outer wall of the U-shaped support 1 and are fixed with a first gear 603, one side of the first gear 603 is connected with a second gear 610 in a meshing manner, one end of, through loosening two hand nuts 606 and rotating the rotating shaft 601 through rotating the handle 609, the two gears one 603 drive the two gears two 610 engaged with the two gears one 610 to rotate, the angle of the clamp body 4 on the rotating plate 3 is changed accordingly, and the angle adjusted by the clamp body 4 can be accurately controlled by matching the angle line 608 and the pointer 611.

Further, the clamping mechanism 8 comprises two clamping plates 801 slidably connected to the clamp body 4, moving seats 802 are fixed at the bottoms of the two clamping plates 801, moving grooves matched with the moving seats 802 are formed in the top of the clamp body 4, moving blocks 803 are fixed at the bottoms of the two moving seats 802, an inner cavity is formed in the clamp body 4, the two moving blocks 803 extend into the inner cavity and are in threaded connection with screws 804, the rotating directions of external threads on the two screws 804 are opposite, a double-shaft motor 805 fixed in the inner cavity is arranged between the two moving blocks 803, two output shafts of the double-shaft motor 805 are respectively connected with one ends of the two screws 804, the vertical section of the moving seat 802 is in a T shape, the moving grooves are connected with the inner cavity and are started through the double-shaft motor 805 and drive the two screws 804 to rotate clockwise, so that the two moving blocks 803 can move relatively and can drive the two clamping plates 801 to move relatively, the placed workpiece 5 is effectively clamped.

The working principle is as follows: when an operator wants to clamp a workpiece 5 on the clamp body 4, the operator firstly places the workpiece 5 on the clamp body 4 flatly, and starts the workpiece 5 by the double-shaft motor 805 to drive the two screw rods 804 to rotate clockwise, so that the two movable blocks 803 can move relatively, and the two clamping plates 801 can be driven to move relatively, so that the workpiece 5 can be clamped effectively, accurate positioning and stable and reliable clamping during deep hole processing of the workpiece 5 are ensured, meanwhile, the workpiece 5 with different sizes can be installed and fixed, the automation level is high, the labor intensity during manual installation is reduced, time and labor are saved, secondly, when the angle of the clamped workpiece 5 needs to be adjusted, holes with different angles on the workpiece 5 can be processed conveniently, two hand-screwed nuts 606 can be loosened firstly, so that the rotating shaft 601 can be driven to rotate by rotating the handle 609, therefore, the two first gears 603 drive the two second gears 610 meshed with the first gears to rotate, the angle of the clamp body 4 on the rotating plate 3 is changed accordingly, and the angle adjusted by the clamp body 4 can be accurately controlled by matching with the angle line 608 and the pointer 611, so that the problem that the angle is not easy to master during adjustment is avoided, the precision of the workpiece 5 during processing is influenced, and the working principle of the device is completed.

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 a special fixture for dark aperture processing, including U type support (1), a serial communication port, the inner wall both sides of U type support (1) all rotate and are connected with connecting axle (2), the outer wall of U type support (1) all is fixed with installation piece (7) all around, the mounting hole has been seted up in installation piece (7), threaded connection has the fastener in the mounting hole, be fixed with rotor plate (3) between two connecting axles (2), the top of rotor plate (3) is fixed with anchor clamps body (4), install clamping mechanism (8) on anchor clamps body (4), the top of anchor clamps body (4) is fixed with work piece (5) through clamping mechanism (8), be connected with adjustment mechanism (6) between rotor plate (3) and U type support (1).

2. The special fixture for deep hole processing as claimed in claim 1, wherein the two connecting shafts (2) are symmetrical about the center point of the U-shaped bracket (1).

3. The special fixture for machining the small deep hole according to claim 1, wherein the adjusting mechanism (6) comprises a rotating shaft (601) rotatably connected to the inner wall of the U-shaped support (1), the outer side of the rotating shaft (601) is connected with two symmetrical rotating discs (602), an arc-shaped block (607) fixed to the inner wall of the U-shaped support (1) is arranged above the rotating discs (602), a pointer (611) is fixed to the middle of the surface of the arc-shaped block (607), the arc-shaped block (607) is attached to the rotating discs (602), angle lines (608) are equidistantly arranged on the surface of the rotating discs (602), positioning columns (604) are movably connected to the inside of the rotating discs (602), arc-shaped grooves (605) matched with the positioning columns (604) are formed in the rotating discs (602), hand-screwed nuts (606) are connected to the outer side of the positioning columns (604) through threads, two ends of the rotating shaft (601) extend to two sides of the outer, a first gear (603) is fixed, a second gear (610) is meshed and connected with one side of the first gear (603), and a rotating handle (609) is fixed at one end of the rotating shaft (601).

4. The special fixture for deep hole processing as claimed in claim 1, wherein one end of the connecting shaft (2) extends to the outside of the U-shaped bracket (1) and is connected with the second gear (610).

5. The special fixture for machining the small deep hole as claimed in claim 1, wherein the clamping mechanism (8) comprises two clamping plates (801) slidably connected to the fixture body (4), moving seats (802) are fixed to bottoms of the two clamping plates (801), moving grooves matched with the moving seats (802) are formed in the top of the fixture body (4), moving blocks (803) are fixed to bottoms of the two moving seats (802), an inner cavity is formed in the fixture body (4), the two moving blocks (803) extend into the inner cavity, threaded screws (804) are connected to the clamping mechanism in a threaded manner, external threads on the two screws (804) are opposite in rotating direction, a double-shaft motor (805) fixed in the inner cavity is arranged between the two moving blocks (803), and two output shafts of the double-shaft motor (805) are connected to one ends of the two screws (804) respectively.

6. The special fixture for small deep hole machining as claimed in claim 5, wherein the vertical section of the moving seat (802) is T-shaped, and the moving groove is connected with the inner cavity.