CN212653040U

CN212653040U - Fixed mechanical fixture for machining

Info

Publication number: CN212653040U
Application number: CN202020541786.9U
Authority: CN
Inventors: 林金亮; 李康松
Original assignee: Individual
Current assignee: Mudanjiang Yongheng Diamond Tools Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-03-05
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a fixed mechanical fixture for machining, including the processing board, the last lateral wall of processing board rotates through the moment of torsion pivot and is connected with two splint, two the tip of splint all is equipped with the extension board, insert on the processing board and be equipped with two push pedals that are the setting of L type that are located the splint outside, two fixedly connected with connecting plate, two between the lower extreme of push pedal the other end of push pedal contacts with the outer wall of splint, the lower lateral wall of processing board is equipped with adjustment mechanism. The utility model discloses a moving down of push pedal makes splint toward inboard rotate and carry out the centre gripping to the work piece, makes the work piece fix the central point at the processing board and puts, simultaneously through the regulation of extension board position, is applicable to the work piece centre gripping of different thickness.

Description

Fixed mechanical fixture for machining

Technical Field

The utility model relates to a machining technical field especially relates to a fixed machinery anchor clamps for machining.

Background

The clamp is a tool for fastening a workpiece during machining so as to fix a part at a corresponding position, and is convenient for subsequent machining or detection.

Although the traditional clamp can clamp the workpiece, the workpiece cannot be clamped at the central position of the processing table, subsequent processing is inconvenient, and the clamping at the central position can be completed by some clamps through two oil cylinders and the like, but the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the fixed mechanical fixture for machining who provides.

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

the utility model provides a fixed machinery anchor clamps for machining, includes the processing board, the last lateral wall of processing board rotates through the moment of torsion pivot and is connected with two splint, two the tip of splint all is equipped with the extension board, insert on the processing board and be equipped with two push pedals that are the L type setting that are located the splint outside, two fixedly connected with connecting plate, two between the lower extreme of push pedal the other end of push pedal contacts with the outer wall of splint, the lower lateral wall of processing board is equipped with adjustment mechanism.

Preferably, the end of the clamping plate is provided with a slot, the extension plate is inserted into the slot, the outer wall of the clamping plate is provided with a threaded opening communicated with the slot, and a fastening bolt is screwed in the threaded opening.

Preferably, adjustment mechanism is including being located the pull rod of processing board downside, the lower extreme of pull rod runs through the connecting plate setting and connecting plate fixed connection, the lower extreme of pull rod is fixed with the pull ring, it is connected with two pipes, two to rotate through the moment of torsion pivot on the outer wall of pull rod the pipe interpolation is equipped with the ejector pin, be fixed with expanding spring between the inner bottom wall of ejector pin and pipe, the upper end of ejector pin is fixed with the ball that contacts with the lower lateral wall of processing board.

Preferably, the lower side wall of the processing plate is provided with an arc-shaped opening matched with the round ball.

Preferably, the adjusting mechanism comprises a threaded pipe fixed on the lower side wall of the processing plate, a threaded rod is connected to the inner thread of the threaded pipe, a disc is fixed to the lower end of the threaded rod, a connecting rod penetrating through the connecting plate is fixed to the lower side wall of the disc, and a pull ring is fixed to the lower end of the connecting rod.

Preferably, the connecting rod is slidably connected with the connecting plate.

Compared with the prior art, this fixed mechanical fixture for machining's advantage lies in:

1. the extension plate is adjusted according to the thickness of the workpiece, when the workpiece is thin, the extension plate can be pulled out and then fixed through the fastening bolt, and when the workpiece is thick, the extension plate can be pushed back;

2. a workpiece is placed between the two clamping plates, the pull ring is held to pull downwards, the connecting plate and the two push plates are pulled to move downwards, the two ends of each push plate extrude the clamping plates to rotate towards the inner sides to be tightly abutted against the outer walls of the workpiece, the balls are clamped into the arc-shaped openings on the inner sides to complete the limiting of the guide pipes and the pull rods, and the pull rods are prevented from moving upwards;

3. the work piece is placed between two splint, rotates the pull ring, and the threaded rod down moves in the screwed pipe, and disc extrusion connecting plate and push pedal down move, and the tip extrusion splint of push pedal are toward inboard rotation to carry out the centre gripping to the work piece.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a mechanical fixture for machining according to the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the mechanical fixture for machining according to the present invention.

In the figure: 1 processing plate, 2 clamping plates, 3 extending plates, 4 fastening bolts, 5 pushing plates, 6 pull rods, 7 pull rings, 8 guide pipes, 9 ejector rods, 10 expansion springs, 11 round balls, 12 arc-shaped openings, 13 threaded pipes, 14 threaded rods and 15 round discs.

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.

Example one

Referring to fig. 1, a fixed mechanical fixture for machining includes a machining plate 1, two clamping plates 2 rotatably connected to an upper sidewall of the machining plate 1 via a torque rotating shaft, and when the torque rotating shaft is in a normal state, the clamping plates 2 rotate towards the outer side, the end parts of the two clamping plates 2 are respectively provided with an extension plate 3, the end parts of the clamping plates 2 are provided with slots, the extension plates 3 are inserted in the slots, the outer wall of the clamping plates 2 is provided with threaded openings communicated with the slots, fastening bolts 4 are screwed in the threaded openings, the end parts of the clamping plates 2 have certain distances, in order to ensure that workpieces with different thicknesses can be clamped, the extension plate 3 can be adjusted according to the thickness of the workpiece, when the workpiece is thin, the extension plate 3 can be pulled out and then fixed through the fastening bolt 4, when the workpiece is thick, can push back extension plate 3, further, be equipped with the scale on the outer wall of extension plate 3, make things convenient for the regulation of extension plate 3 position.

The processing plate 1 is inserted with two L-shaped push plates 5 positioned outside the clamping plate 2, a connecting plate is fixedly connected between the lower ends of the two push plates 5, the other ends of the two push plates 5 are contacted with the outer wall of the clamping plate 2, the lower side wall of the processing plate 1 is provided with an adjusting mechanism, the adjusting mechanism comprises a pull rod 6 positioned on the lower side of the processing plate 1, the lower end of the pull rod 6 penetrates through the connecting plate and is fixedly connected with the connecting plate, the lower end of the pull rod 6 is fixedly provided with a pull ring 7, the outer wall of the pull rod 6 is rotatably connected with two guide pipes 8 through a torque rotating shaft, when the torque rotating shaft is in a normal state, the guide pipes 8 rotate inwards to be close to each other, ejector rods 9 are inserted into the two guide pipes 8, telescopic springs 10 are fixed between the ejector rods 9 and the inner bottom walls of the guide pipes 8, the upper ends of the ejector rods 9 are fixedly provided with round balls 11 contacted, the work piece is placed between two splint 2, hold pull ring 7 and stimulate down, pulling connecting plate and two push pedal 5 move down, push pedal 5's both ends extrusion splint 2 supports tightly towards the outer wall of inboard rotation with the work piece, accomplish pipe 8 and pull rod 6 spacing in the arc mouth 12 of inboard with ball 11 card income again, prevent that pull rod 6 from shifting up, when needs remove the state, stir ejector pin 9 to ball 11 toward the outside and break away from arc mouth 12 can, the expanding spring 10 of setting is convenient for the removal of ejector pin 9, be convenient for ball 11 card go into and break away from arc mouth 12.

Example two

Referring to fig. 2, the difference from the first embodiment is that:

adjustment mechanism is including fixing the screwed pipe 13 at the lateral wall under the board 1 that adds, the inside threaded connection of screwed pipe 13 has threaded rod 14, the lower extreme of threaded rod 14 is fixed with disc 15, the lower lateral wall of disc 15 is fixed with the connecting rod that runs through the connecting plate setting, the lower extreme of connecting rod is fixed with pull ring 7, connecting rod and connecting plate sliding connection, the work piece is placed between two splint 2, rotate pull ring 7, threaded rod 14 down moves in screwed pipe 13, disc 15 extrusion connecting plate and push pedal 5 move down, the tip extrusion splint 2 of push pedal 5 toward inboard rotation carry out the centre gripping to the work piece, make the work piece fix the central point at board 1 and put.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

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 fixed mechanical fixture for machining, includes processing plate (1), its characterized in that, the last lateral wall of processing plate (1) rotates through the moment of torsion pivot and is connected with two splint (2), two the tip of splint (2) all is equipped with extension board (3), insert on processing plate (1) and be equipped with two push pedal (5) that are the L type setting that are located the splint (2) outside, two fixedly connected with connecting plate, two between the lower extreme of push pedal (5) the other end of push pedal (5) contacts with the outer wall of splint (2), the lower lateral wall of processing plate (1) is equipped with adjustment mechanism.

2. The fixed mechanical fixture for machining according to claim 1, wherein a slot is formed at an end of the clamping plate (2), the extension plate (3) is inserted into the slot, a threaded opening communicated with the slot is formed in an outer wall of the clamping plate (2), and a fastening bolt (4) is screwed into the threaded opening.

3. The fixed mechanical fixture for machining according to claim 1, wherein the adjusting mechanism comprises a pull rod (6) located on the lower side of the machining plate (1), the lower end of the pull rod (6) penetrates through the connecting plate and is fixedly connected with the connecting plate, a pull ring (7) is fixed to the lower end of the pull rod (6), two guide pipes (8) are rotatably connected to the outer wall of the pull rod (6) through a torque rotating shaft, a push rod (9) is inserted into the two guide pipes (8), a telescopic spring (10) is fixed between the push rod (9) and the inner bottom wall of each guide pipe (8), and a round ball (11) in contact with the lower side wall of the machining plate (1) is fixed to the upper end of the push rod (9).

4. A fixed mechanical fixture for machining according to claim 3, characterized in that the lower side wall of the machining plate (1) is provided with an arc-shaped opening (12) matched with the ball (11).

5. A fixed mechanical fixture for machining according to claim 1, wherein the adjusting mechanism comprises a threaded pipe (13) fixed on the lower side wall of the machining plate (1), a threaded rod (14) is connected to the inner thread of the threaded pipe (13), a disc (15) is fixed on the lower end of the threaded rod (14), a connecting rod arranged through the connecting plate is fixed on the lower side wall of the disc (15), and a pull ring (7) is fixed on the lower end of the connecting rod.

6. A stationary mechanical clamp for machining according to claim 5, wherein said connecting rod is slidably connected to the connecting plate.