CN219379782U - An 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

An Adaptive Positioning Fixture

technical field

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

Background technique

The tool holder is a very important part of the CNC lathe. According to its function, the number of tools that can be installed on the tool holder is generally 4, 6, 8, 10, 12, 20 and 24. Some CNC lathes can install more tools. The structure of the tool holder is generally rotary. The tool is installed on the tool holder along the circumferential direction. Radial turning tools, axial turning tools, drills, and boring tools can be installed. The tool holders of a small number of CNC lathes are in-line, and the tools are installed along a straight line. When processing the tool holders, in order to facilitate their processing, a positioning fixture is required. However, the existing positioning fixtures have poor positioning effects.

After retrieval, the Chinese patent application number is 202121462591.6, which discloses a positioning fixture for cutting tool holder processing, including a base plate and a top plate, and the base plate and the top plate are connected by two spaced support plates. The top plate is provided with a threaded hole, and the internal thread of the threaded hole is connected with a compression screw. A pressure block is slidably connected in the pressure groove, and the pressure block is connected to the bottom surface of the pressure groove through a compression spring. The above-mentioned patent has the following disadvantages: the positioning effect of the device on the knife rest is poor, and the knife rest is inconvenient to rotate after being clamped by the fixture, and it is not convenient to process the inclined surface of the knife rest.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose an adaptive positioning fixture.

In order to achieve the above object, the utility model adopts the following technical solutions:

An adaptive positioning fixture, comprising a base plate, a clamping assembly and a rotating assembly, the clamping assembly includes a clamping frame and a clamping head, a support is welded on the surface of the base plate, a hydraulic cylinder is rotatably connected inside the support, a hydraulic rod is slidably connected inside the hydraulic cylinder, a connector is welded at one end of the hydraulic rod, a fixed rod is welded on one side of the side wall of the hydraulic cylinder, a sliding rod is welded at one end of the fixed rod, the clamping frame is slidably connected to the outer surface of the sliding rod, and the clamping head is welded to one end of the clamping frame, between the clamping frame and the connecting head The rotation is connected with a connecting rod.

As a further solution of the utility model: the rotating assembly includes a rack and a gear, the gear is welded to the outer surface of one end of the hydraulic cylinder, the upper surface of the base plate is fixed with an electric telescopic cylinder by bolts, the rack is welded to the output end of the electric telescopic cylinder, and the gear and the rack are matched.

As a further solution of the present invention: a slider is welded at the bottom of the bottom plate, a lead screw is slidably connected inside the slider, fixed plates are rotatably connected to both ends of the lead screw, and guide rods are welded between the fixed plates.

As a further solution of the utility model: the guide rod and the sliding block are in sliding connection.

As a further solution of the present invention: a fixing hole is opened on the upper surface of the fixing plate.

As a further solution of the present invention: a motor is installed on the side wall of the fixing plate through bolts, and the output end of the motor is connected with the lead screw.

As a further solution of the utility model: retaining rings are welded at both ends of the sliding rod.

As a further solution of the present invention: a fixing frame is welded on the upper surface of the bottom plate, and one end of the rack is slidably connected to the inside of the fixing frame.

The beneficial effects of the utility model are:

1. By setting the clamping component and the rotating component, it is easy to rotate and clamp the tool holder. When the device is in use, the hydraulic cylinder starts to drive the hydraulic rod to move. The connecting head drives the clamping frame to move through the connecting rod. Perform inclined processing.

2. By welding the slider and other structures at the bottom of the bottom plate, it is easy to move the clamping components, turn the screw to drive the slider to move, and the guide rod to limit the bottom plate, thereby driving the bottom plate to move.

3. By opening a fixing hole on the upper surface of the fixing plate, the device can be easily fixed, and by installing a motor on the side wall of the fixing plate, it is easy to rotate the lead screw.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of self-adaptive positioning clamp that the utility model proposes;

Fig. 2 is a structural schematic diagram of an adaptive positioning fixture clamping assembly proposed by the present invention;

Fig. 3 is a structural schematic diagram of the bottom of a self-adaptive positioning fixture proposed by the utility model;

Fig. 4 is a structural schematic view of another viewing angle of an adaptive positioning fixture proposed by the present invention.

In the figure: 1-base plate, 2-bracket, 3-electric telescopic cylinder, 4-rack, 5-gear, 6-fixed frame, 7-hydraulic cylinder, 8-hydraulic rod, 9-connector, 10-connecting rod, 11-fixed rod, 12-sliding rod, 13-retaining ring, 14-clamping frame, 15-clamping head, 16-fixing plate, 17-fixing hole, 18-screw, 19-guide rod, 20-slider, 21-motor.

Detailed ways

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

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

Example 1

An adaptive positioning fixture, as shown in Figure 1-4, includes:

Bottom plate 1, clamping assembly and rotating assembly;

The clamping assembly includes a clamping frame 14 and a clamping head 15. The upper surface of the base plate 1 is welded with a bracket 2. The bracket 2 is internally rotatably connected to a hydraulic cylinder 7. The hydraulic cylinder 7 is slidably connected to a hydraulic rod 8. One end of the hydraulic rod 8 is welded with a connector 9. One side of the hydraulic cylinder 7 is welded with a fixed rod 11. One end of the fixed rod 11 is welded with a sliding rod 12. The clamping frame 14 is slidably connected to the outer surface of the sliding rod 12. The clamping head 15 is welded to the clamping frame 14- end, a connecting rod 10 is rotatably connected between the clamping frame 14 and the connecting head 9 .

The rotating assembly includes a rack 4 and a gear 5. The gear 5 is welded to the outer surface of one end of the hydraulic cylinder 7. The upper surface of the base plate 1 is fixed with an electric telescopic cylinder 3 by bolts. The rack 4 is welded to the output end of the electric telescopic cylinder 3. The gear 5 and the rack 4 are matched.

By arranging the clamping assembly and the rotating assembly, it is convenient to rotate and clamp the tool holder. When the device is in use, the hydraulic cylinder 7 starts to drive the hydraulic rod 8 to move. The connecting head 9 drives the clamping frame 14 to move through the connecting rod 10. The slide bar 12 moves the clamping frame 14 in a limited position, so that the clamping frame 14 slides on the outer surface of the sliding rod 12. The tool holder is clamped by the clamping head 15. The clamping assembly moves to make the hydraulic cylinder 7 rotate inside the support 2, and the tool holder is tilted.

In order to facilitate the mobile clamping device; as shown in Figure 3, the bottom of the base plate 1 is welded with a slide block 20, the inside of the slide block 20 is slidably connected with a lead screw 18, the two ends of the lead screw 18 are rotatably connected with a fixed plate 16, and guide rods 19 are welded between the fixed plates 16, and the guide rod 19 and the slide block 20 are slidingly connected.

By welding the slider 20 and other structures at the bottom of the base plate 1, the clamping assembly can be moved easily, the screw 18 is rotated to drive the slider 20 to move, and the guide rod 19 limits the position of the base plate 1, thereby driving the base plate 1 to move.

In order to facilitate fixing the device; as shown in FIG. 3 , a fixing hole 17 is opened on the upper surface of the fixing plate 16 .

By opening a fixing hole 17 on the upper surface of the fixing plate 16, the device can be fixed conveniently.

In order to facilitate the rotation of the lead screw 18; as shown in FIG.

By installing the motor 21 on the side wall of the fixed plate 16, the leading screw 18 can be rotated conveniently.

In order to prevent the clamping frame 14 from moving excessively; as shown in FIG. 2 , stop rings 13 are welded at both ends of the slide bar 12 .

Welding retaining rings 13 at both ends of the slide bar 12 can prevent the clamping frame 14 from moving excessively.

Working principle: By setting the clamping component and the rotating component, the tool holder can be rotated and clamped conveniently. When the device is in use, the hydraulic cylinder 7 starts to drive the hydraulic rod 8 to move. The connecting head 9 drives the clamping frame 14 to move through the connecting rod 10. The sliding rod 12 moves the clamping frame 14 in a limited position, so that the clamping frame 14 slides on the outer surface of the sliding rod 12. The tool holder is clamped by the clamping head 15. When the device is rotating, the electric telescopic cylinder 3 is activated, driving the rack 4 to move, and the rack 4 The clamping assembly is driven by the gear 5 to move, so that the hydraulic cylinder 7 rotates inside the support 2, and the tool holder is tilted.

Example 2

In order to facilitate the support of the rack 4, referring to Fig. 1, an adaptive positioning fixture, this embodiment makes the following improvements compared to the embodiment 1, the upper surface of the bottom plate 1 is welded with a fixing frame 6, and one end of the rack 4 is slidably connected to the inside of the fixing frame 6.

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

The above is only a preferred specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any person familiar with the technical field within the technical scope disclosed in the utility model, according to the technical scheme of the utility model and its utility model design to make equivalent replacements or changes, should be covered within the scope of protection of the 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).