CN219379782U - Self-adaptive positioning fixture - Google Patents

Abstract

The utility model discloses a self-adaptive positioning clamp which comprises a bottom plate, a clamping assembly and a rotating assembly, wherein the clamping assembly comprises a clamping frame and a clamping head, a support is welded on the upper surface of the bottom plate, a hydraulic cylinder is connected inside the support in a rotating mode, a hydraulic rod is connected inside the hydraulic cylinder in a sliding mode, a connector is welded at one end of the hydraulic rod, a fixing rod is welded at one side of the side wall of the hydraulic cylinder, a sliding rod is welded at one end of the fixing rod, the clamping frame is connected to the outer surface of the sliding rod in a sliding mode, and the clamping head is welded at one end of the clamping frame. According to the utility model, the clamping assembly and the rotating assembly are arranged, so that the tool rest can be conveniently rotated and clamped, when the device is used, the hydraulic cylinder is started to drive the hydraulic rod to move, the connector drives the clamping frame to move through the connecting rod, the sliding rod limits the clamping frame to move, the clamping frame slides on the outer surface of the sliding rod, and the tool rest is clamped through the clamping head.

Description

Self-adaptive positioning fixture

Technical Field

The utility model relates to the technical field of tool rest clamps, in particular to a self-adaptive positioning clamp.

Background

The tool rest is a very important part of a numerical control lathe, the number of tools which can be installed on the tool rest is generally 4, 6, 8, 10, 12, 20 and 24, some numerical control lathes can be provided with more tools, the structural form of the tool rest is generally rotary, the tools are installed on the tool rest along the circumferential direction, radial turning tools, axial turning tools, drills and boring tools can be installed, and the turning center can be provided with axial milling tools and radial milling tools. The tool rest of a few numerical control lathes is in a straight line type, the tool is arranged along a straight line, when the tool rest is processed, a positioning clamp is needed to be used for processing the tool rest conveniently, the positioning effect of the existing positioning clamp is poor, the tool rest is not convenient to rotate after being clamped by the clamp, and the inclined surface of the tool rest is not convenient to process.

Through retrieving, chinese patent application number 202121462591.6 discloses a positioning fixture for during cutting knife rest processing, including bottom plate and roof, bottom plate and roof between the backup pad that sets up through two intervals connect, the roof on be provided with the screw hole, screw hole threaded connection have compression screw, the one end that is close to the bottom plate of compression screw be provided with the locating plate that is used for compressing tightly the cutting knife rest, the locating plate in be provided with the indent, indent sliding connection have the briquetting, briquetting and the bottom surface of indent between be connected through compression spring. The above patent suffers from the following disadvantages: the device is relatively poor to the positioning effect of knife rest, and the knife rest is inconvenient to rotate after being clamped by the clamp, and is inconvenient to process the inclined plane of the knife rest.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a self-adaptive positioning clamp.

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

the utility model provides a self-adaptation type positioning fixture, includes bottom plate, clamping assembly and rotating assembly, the clamping assembly includes clamping frame and gripping head, bottom plate upper surface welding has the support, the inside rotation of support is connected with the pneumatic cylinder, the inside sliding connection of pneumatic cylinder has the hydraulic stem, hydraulic stem one end welding has the connector, the welding of pneumatic cylinder lateral wall one side has the dead lever, dead lever one end welding has the slide bar, clamping frame sliding connection is in the slide bar surface, the gripping head welds in clamping frame one end, rotate between clamping frame and the connector and be connected with the connecting rod.

As still further aspects of the utility model: the rotating assembly comprises a rack and a gear, the gear is welded on the outer surface of one end of the hydraulic cylinder, an electric telescopic cylinder is fixed on the upper surface of the bottom plate through a bolt, the rack is welded at the output end of the electric telescopic cylinder, and the gear is matched with the rack.

As still further aspects of the utility model: the bottom plate bottom welding has the slider, the inside sliding connection of slider has the lead screw, the rotation of lead screw both ends is connected with the fixed plate, the welding has the guide arm between the fixed plate.

As still further aspects of the utility model: the guide rod is in sliding connection with the sliding block.

As still further aspects of the utility model: and the upper surface of the fixing plate is provided with a fixing hole.

As still further aspects of the utility model: the motor is installed through the bolt to the fixed plate lateral wall, the motor output is connected with the lead screw.

As still further aspects of the utility model: and check rings are welded at two ends of the sliding rod.

As still further aspects of the utility model: the upper surface of the bottom plate is welded with a fixing frame, and one end of the rack is connected inside the fixing frame in a sliding mode.

The beneficial effects of the utility model are as follows:

1. through setting up clamping component and rotating assembly, can be convenient for rotate and centre gripping to the knife rest, the device is when using, the pneumatic cylinder starts, drives the hydraulic stem and removes, and the connector passes through the connecting rod and drives the holder and remove, and the slide bar carries out spacing removal to the holder, makes the holder slide in the slide bar surface, carries out the centre gripping to the knife rest through the gripping head, and the device is when rotatory, and electronic telescopic cylinder starts, drives the rack and removes, and the rack passes through the gear drive clamping component and removes, makes the pneumatic cylinder rotate inside the support, carries out the tilt machining to the knife rest.

2. Through having structures such as slider bottom the bottom plate welding, can be convenient for remove clamping assembly, rotate the lead screw, drive the slider and remove, the guide arm is spacing to the bottom plate to drive the bottom plate and remove.

3. Through having seted up the fixed orifices at the fixed plate upper surface, can be convenient for fix the device, through installing the motor at the fixed plate lateral wall, can be convenient for rotate the lead screw.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a self-adaptive positioning fixture according to the present utility model;

FIG. 2 is a schematic structural view of a clamping assembly of an adaptive positioning jig according to the present utility model;

FIG. 3 is a schematic view of the bottom of an adaptive positioning fixture according to the present utility model;

fig. 4 is a schematic structural diagram of another view angle of an adaptive positioning fixture according to the present utility model.

In the figure: 1-bottom plate, 2-support, 3-electric telescopic cylinder, 4-rack, 5-gear, 6-mount, 7-pneumatic cylinder, 8-hydraulic stem, 9-connector, 10-connecting rod, 11-dead lever, 12-slide bar, 13-retaining ring, 14-holder, 15-holder, 16-fixed plate, 17-fixed hole, 18-lead screw, 19-guide arm, 20-slider, 21-motor.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

Example 1

An adaptive positioning jig, as shown in fig. 1-4, comprising:

a base plate 1, a clamping assembly and a rotating assembly;

the clamping assembly comprises a clamping frame 14 and a clamping head 15, wherein the upper surface of the bottom plate 1 is welded with a support 2, a hydraulic cylinder 7 is connected inside the support 2 in a rotating mode, a hydraulic rod 8 is connected inside the hydraulic cylinder 7 in a sliding mode, a connector 9 is welded at one end of the hydraulic rod 8, a fixing rod 11 is welded at one side of the side wall of the hydraulic cylinder 7, a sliding rod 12 is welded at one end of the fixing rod 11, the clamping frame 14 is connected to the outer surface of the sliding rod 12 in a sliding mode, the clamping head 15 is welded at one end of the clamping frame 14, and a connecting rod 10 is connected between the clamping frame 14 and the connector 9 in a rotating mode.

The rotating assembly comprises a rack 4 and a gear 5, the gear 5 is welded on the outer surface of one end of the hydraulic cylinder 7, the electric telescopic cylinder 3 is fixed on the upper surface of the bottom plate 1 through bolts, the rack 4 is welded at the output end of the electric telescopic cylinder 3, and the gear 5 is matched with the rack 4.

Through setting up clamping component and rotating assembly, can be convenient for rotate and centre gripping to the knife rest, the device is when using, pneumatic cylinder 7 starts, drive hydraulic stem 8 and remove, connector 9 drives clamping frame 14 through connecting rod 10 and removes, slide bar 12 carries out spacing removal to clamping frame 14, make clamping frame 14 slide in slide bar 12 surface, carry out the centre gripping to the knife rest through clamping head 15, the device is when rotatory, electric telescopic jar 3 starts, drive rack 4 and remove, rack 4 drives clamping component through gear 5 and removes, make pneumatic cylinder 7 rotate inside support 2, carry out the tilt processing to the knife rest.

To facilitate movement of the clamping means; as shown in fig. 3, a slider 20 is welded at the bottom of the bottom plate 1, a screw rod 18 is slidably connected inside the slider 20, two ends of the screw rod 18 are rotatably connected with a fixing plate 16, a guide rod 19 is welded between the fixing plates 16, and the guide rod 19 is slidably connected with the slider 20.

Through the structure such as the slider 20 that has welded in bottom plate 1 bottom, can be convenient for remove clamping assembly, rotate lead screw 18, drive slider 20 and remove, guide arm 19 is spacing bottom plate 1 to drive bottom plate 1 and remove.

To facilitate the fixing of the device; as shown in fig. 3, the fixing plate 16 has a fixing hole 17 formed on an upper surface thereof.

The fixing holes 17 are formed in the upper surface of the fixing plate 16, so that the device can be conveniently fixed.

To facilitate rotation of the lead screw 18; as shown in fig. 4, a motor 21 is mounted on the side wall of the fixed plate 16 through bolts, and the output end of the motor 21 is connected with a screw 18.

By attaching the motor 21 to the side wall of the fixed plate 16, the screw 18 can be easily rotated.

To prevent excessive movement of the clamping frame 14; as shown in fig. 2, two ends of the sliding rod 12 are welded with check rings 13.

By welding the retainers 13 at both ends of the slide rod 12, the holding frame 14 can be prevented from moving excessively.

Working principle: through setting up clamping component and rotating assembly, can be convenient for rotate and centre gripping to the knife rest, the device is when using, pneumatic cylinder 7 starts, drive hydraulic stem 8 and remove, connector 9 drives clamping frame 14 through connecting rod 10 and removes, slide bar 12 carries out spacing removal to clamping frame 14, make clamping frame 14 slide in slide bar 12 surface, carry out the centre gripping to the knife rest through clamping head 15, the device is when rotatory, electric telescopic jar 3 starts, drive rack 4 and remove, rack 4 drives clamping component through gear 5 and removes, make pneumatic cylinder 7 rotate inside support 2, carry out the tilt processing to the knife rest.

Example 2

In order to support the rack 4 conveniently, referring to fig. 1, an adaptive positioning fixture is improved in this embodiment compared with embodiment 1, the fixing frame 6 is welded on the upper surface of the bottom plate 1, and one end of the rack 4 is slidably connected inside the fixing frame 6.

The rack 4 can be supported conveniently by welding the fixing frame 6 on the upper surface of the bottom plate 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides a self-adaptation positioning fixture, includes bottom plate (1), clamping component and rotating assembly, its characterized in that, clamping component includes carriage (14) and gripping head (15), bottom plate (1) upper surface welding has support (2), support (2) inside rotation is connected with pneumatic cylinder (7), the inside sliding connection of pneumatic cylinder (7) has hydraulic rod (8), hydraulic rod (8) one end welding has connector (9), welding of pneumatic cylinder (7) lateral wall one side has dead lever (11), welding of dead lever (11) one end has slide bar (12), carriage (14) sliding connection is in slide bar (12) surface, gripping head (15) welding is in carriage (14) one end, rotation is connected with connecting rod (10) between carriage (14) and connector (9).

2. The self-adaptive positioning clamp according to claim 1, wherein the rotating assembly comprises a rack (4) and a gear (5), the gear (5) is welded on the outer surface of one end of the hydraulic cylinder (7), the electric telescopic cylinder (3) is fixed on the upper surface of the bottom plate (1) through bolts, the rack (4) is welded on the output end of the electric telescopic cylinder (3), and the gear (5) is matched with the rack (4).

3. The self-adaptive positioning clamp according to claim 2, wherein a sliding block (20) is welded at the bottom of the bottom plate (1), a lead screw (18) is connected inside the sliding block (20) in a sliding manner, two ends of the lead screw (18) are rotatably connected with fixing plates (16), and guide rods (19) are welded between the fixing plates (16).

4. A self-adaptive positioning jig according to claim 3, characterized in that the guide bar (19) is in sliding connection with the slide block (20).

5. The self-adaptive positioning clamp according to claim 4, wherein the upper surface of the fixing plate (16) is provided with fixing holes (17).

6. An adaptive positioning jig according to claim 5, characterized in that the side wall of the fixing plate (16) is provided with a motor (21) by means of bolts, and the output end of the motor (21) is connected with a screw (18).

7. The self-adaptive positioning clamp according to claim 6, wherein the check rings (13) are welded at two ends of the slide rod (12).

8. The self-adaptive positioning clamp according to claim 7, wherein a fixing frame (6) is welded on the upper surface of the bottom plate (1), and one end of the rack (4) is slidably connected inside the fixing frame (6).