CN214868772U

CN214868772U - Positioning mechanism for precision machinery manufacturing

Info

Publication number: CN214868772U
Application number: CN202022740676.8U
Authority: CN
Inventors: 周皓宸
Original assignee: Jiangsu Juhuai Precision Machinery Co ltd
Current assignee: Jiangsu Juhuai Precision Machinery Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-11-26
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a positioning mechanism for precision machine manufacturing, which belongs to the field of precision machine manufacturing, and comprises a base, the upper surface of the base is connected with a supporting plate in a sliding manner, supporting blocks are welded on both sides of the supporting plate, threaded holes are formed in the supporting blocks, fastening bolts are connected in the threaded holes in a threaded manner, fastening blocks are fixed at the bottom ends of the fastening bolts, a fixing frame is fixed at the top of the supporting plate through a supporting rod, a first through hole is symmetrically formed in one side wall of the fixing frame, guide rods are movably arranged in the first through hole, a clamping plate which is arranged horizontally is fixed at one end of each of the two guide rods, a screw rod is rotatably installed on one side wall of the clamping plate, and one end of the screw rod penetrates through the side wall of the fixing frame; the utility model relates to a novelty, the structure is ingenious, can be stable with the work piece centre gripping, avoid the work piece skew, improve the machining precision, and need not dismantle the work piece can process the different positions of work piece, convenient operation is worth promoting.

Description

Positioning mechanism for precision machinery manufacturing

Technical Field

The utility model relates to a precision machine makes technical field, especially relates to a positioning mechanism for precision machine makes.

Background

In the precision machinery manufacturing and processing process, drilling processing needs to be carried out on machinery, the workpiece is generally fixed below drilling equipment through a simple positioning mechanism in the prior art, the positioning effect of the mechanism is poor, the workpiece is easy to deviate in drilling, and when the workpiece is required to be drilled at different positions, the workpiece needs to be dismounted and moved for many times, and the processing efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a positioning mechanism for precision machine manufacturing to solve the problem of proposing among the above-mentioned background art.

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

a positioning mechanism for precision machine manufacturing comprises a base, wherein a supporting plate is connected to the upper surface of the base in a sliding manner, supporting blocks are welded to two sides of the supporting plate, threaded holes are formed in the supporting blocks, fastening bolts are connected in the threaded holes in a threaded manner, fastening blocks are fixed to the bottoms of the fastening bolts, a fixing frame is fixed to the top of the supporting plate through supporting rods, through holes I are symmetrically formed in one side wall of the fixing frame, guide rods are movably arranged in the through holes I, clamping plates which are horizontally arranged are fixed to one ends of the two guide rods, a screw rod is rotatably installed on one side wall of each clamping plate, one end of each screw rod penetrates through the side wall of the fixing frame, fixing blocks are welded to the inner walls of two sides of the fixing frame, a rotating rod is rotatably installed on each fixing block, a clamping block is installed at one end of each rotating rod, a wedge I is installed at the other end of each rotating rod, through holes II are symmetrically formed in the side walls, far away from the guide rods, of the fixing frame, and movable rods are movably arranged in the second through holes, one ends of the two movable rods are fixedly provided with movable plates, springs are sleeved on the movable rods and are positioned between the fixed frame and the movable plates, two sides of each movable plate are respectively fixedly provided with a second wedge block, and a limiting block is fixedly arranged on the inner wall of one side of the fixed frame.

As a preferred embodiment, the upper surface of the base is symmetrically provided with sliding grooves, two sliding blocks are connected in the sliding grooves in a sliding manner, and the tops of the four sliding blocks are fixed on the lower surface of the supporting plate.

In a preferable embodiment, a cushion pad is bonded to one end of the clamping plate, which is far away from the screw rod, the cushion pad is made of rubber, anti-slip lines are arranged on the side wall of the cushion pad, and a knob is mounted at one end of the screw rod, which is far away from the clamping plate.

In a preferred embodiment, the clamp blocks are in a semicircular structure, and rubber sleeves are bonded to the outer portions of the clamp blocks.

In a preferred embodiment, the two wedge blocks are located between the two first wedge blocks, and the two second wedge blocks are respectively in contact with the two first wedge blocks.

The utility model has the advantages that:

1. according to the positioning mechanism for precision machine manufacturing, the base, the supporting plate, the supporting block, the fastening bolt, the fastening block, the sliding chute, the sliding block and other structures are arranged, the supporting plate can slide on the base, the supporting plate is convenient to fix, different positions of the supporting plate can be machined without frequently disassembling and moving workpieces, the operation is simple, and the positioning mechanism is worthy of popularization;

2. this a positioning mechanism for precision machine manufacturing through set up fixed frame and the structure on the fixed frame, can be convenient with the stable centre gripping of work piece, makes it can not squint processing, improves the precision of processing, is worth promoting.

Drawings

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

fig. 2 is a top view of the base and the support plate of the present invention;

fig. 3 is a top view of the fixing frame of the present invention.

Reference numbers in the figures: 1. a base; 2. a support plate; 3. a support block; 4. fastening a bolt; 5. a fastening block; 6. a support bar; 7. a fixing frame; 8. a guide bar; 9. a splint; 10. a screw; 11. a fixed block; 12. rotating the rod; 13. a clamping block; 14. a first wedge block; 15. a movable rod; 16. a movable plate; 17. a spring; 18. a second wedge block; 19. and a limiting block.

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 positioning mechanism for precision machine manufacturing comprises a base 1, a support plate 2 is slidably connected to the upper surface of the base 1, support blocks 3 are welded to both sides of the support plate 2, threaded holes are formed in the support blocks 3, fastening bolts 4 are connected in the threaded holes, fastening blocks 5 are fixed to the bottom ends of the fastening bolts 4, a fixing frame 7 is fixed to the top of the support plate 2 through support rods 6, a first through hole is symmetrically formed in one side wall of the fixing frame 7, guide rods 8 are movably arranged in the first through holes, a clamping plate 9 which is horizontally arranged is fixed to one end of each of the two guide rods 8, a screw 10 is rotatably installed on one side wall of the clamping plate 9, one end of the screw 10 penetrates through the side wall of the fixing frame 7, fixing blocks 11 are welded to both inner walls of both sides of the fixing frame 7, a rotating rod 12 is rotatably installed on the fixing blocks 11, and a clamping block 13 is installed at one end of the rotating rod 12, a first wedge block 14 is installed at the other end of the rotating rod 12, a second through hole is symmetrically formed in the side wall, away from the guide rod 8, of the fixing frame 7, a movable rod 15 is movably arranged in the second through hole, a movable plate 16 is fixed to one end of each of the two movable rods 15, a spring 17 is sleeved on each movable rod 15, the spring 17 is located between the fixing frame 7 and the movable plate 16, two wedge blocks 18 are fixed to two sides of each movable plate 16, and a limiting block 19 is fixed to the inner wall of one side of the fixing frame 7.

The spout has been seted up to base 1's upper surface symmetry, and sliding connection has two sliders in the spout, and the lower surface at backup pad 2 is fixed at the top of four sliders.

The one end bonding that screw rod 10 was kept away from to splint 9 has the blotter, and the blotter is the rubber material, and has seted up anti-skidding line on the lateral wall of blotter, and the knob is installed to the one end that screw rod 10 kept away from splint 9.

The clamping block 13 is of a semicircular structure, and a rubber sleeve is bonded outside the clamping block 13.

The second wedge block 18 is located between the two first wedge blocks 14, and the two second wedge blocks 18 are respectively in contact with the two first wedge blocks 14.

The working principle is as follows: a workpiece to be machined is placed in the fixed frame 7, the bottom of the workpiece is placed on the supporting plate 2, one side of the workpiece contacts the movable plate 16, then the knob is rotated to drive the screw 10 to rotate, the screw 10 moves leftwards, the screw 10 pushes the clamping plate 9 to move, the clamping plate 9 and the movable plate 16 clamp the workpiece and extrude the spring 17, the movable plate 16 drives the two wedge blocks 18 to move when moving, the two wedge blocks 18 move to push the two wedge blocks 14 to move, so that the rotating rods 12 rotate, the clamping blocks 13 at one ends of the two rotating rods 12 clamp two sides of the workpiece, when the movable plate 16 contacts the limiting blocks 19 and cannot move, the two sides of the workpiece can be stably clamped, the workpiece cannot move during machining, and machining accuracy is improved; when needs are drilled in different positions of a workpiece, the fastening bolt 4 is rotated to enable the fastening block 5 to leave the base 1, the supporting plate 2 can be moved, the workpiece is driven to move, after the workpiece is moved to a proper position, the fastening bolt 4 is screwed down to enable the fastening block 5 to contact the base 1, the position of the supporting plate 2 is fixed, the workpiece can be fixed, machining is facilitated, the workpiece does not need to be disassembled, machining efficiency is improved, and the drilling tool is worthy of popularization.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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. A positioning mechanism for precision machine manufacturing comprises a base (1) and is characterized in that a supporting plate (2) is connected to the upper surface of the base (1) in a sliding mode, supporting blocks (3) are welded to the two sides of the supporting plate (2), threaded holes are formed in the supporting blocks (3), fastening bolts (4) are connected in the threaded holes in a threaded mode, fastening blocks (5) are fixed to the bottom ends of the fastening bolts (4), a fixing frame (7) is fixed to the top of the supporting plate (2) through supporting rods (6), first through holes are symmetrically formed in one side wall of the fixing frame (7), guide rods (8) are movably arranged in the first through holes, clamping plates (9) which are arranged horizontally are fixed to one ends of the two guide rods (8), screw rods (10) are rotatably installed on one side wall of the clamping plates (9), one ends of the screw rods (10) penetrate through the side wall of the fixing frame (7), fixing blocks (11) are welded to the inner walls of the two sides of the fixing frame (7), the fixed block (11) is rotatably provided with a rotating rod (12), one end of the rotating rod (12) is provided with a clamping block (13), the other end of the rotating rod (12) is provided with a first wedge block (14), the fixed frame (7) is away from the side wall of the guide rod (8) and is symmetrically provided with a second through hole, two inner activities of the through holes are provided with movable rods (15), one ends of the two movable rods (15) are fixed with a movable plate (16), the movable rods (15) are sleeved with springs (17), the springs (17) are located between the fixed frame (7) and the movable plate (16), two sides of the movable plate (16) are both fixed with a second wedge block (18), and the inner wall of one side of the fixed frame (7) is fixed with a limiting block (19).

2. The positioning mechanism for precision machine manufacturing according to claim 1, wherein the upper surface of the base (1) is symmetrically provided with sliding grooves, two sliding blocks are slidably connected in the sliding grooves, and the tops of the four sliding blocks are fixed on the lower surface of the supporting plate (2).

3. The positioning mechanism for precision machine manufacturing of claim 1, wherein a cushion pad is adhered to one end of the clamping plate (9) far away from the screw (10), the cushion pad is made of rubber, anti-slip lines are arranged on the side wall of the cushion pad, and a knob is arranged at one end of the screw (10) far away from the clamping plate (9).

4. The positioning mechanism for precision machine manufacturing according to claim 1, wherein the clamp block (13) is a semicircular structure, and a rubber sleeve is bonded to the outside of the clamp block (13).

5. The positioning mechanism for precision machine manufacturing according to claim 1, wherein the second wedge block (18) is located between the first two wedge blocks (14), and the two second wedge blocks (18) are respectively in contact with the first two wedge blocks (14).