CN212043671U - Multi-point clamping fixture for milling machine - Google Patents

Abstract

The utility model discloses a multi-point clamping fixture for a milling machine, comprising a base, a top of the base is fixedly connected with a placing block, an electromagnet is fixedly connected inside the placing block, and an upper surface of the placing block is fixedly connected There is a placement groove, a support block is fixedly connected to the upper surface of the base and located on the left side of the placement block, a hydraulic cylinder is fixedly connected to the top of the support block, and a connecting rod is fixedly connected to the output end of the hydraulic cylinder. A clamping block is fixedly connected to one end of the connecting rod away from the hydraulic cylinder, and a sliding block is fixedly connected to the bottom of the clamping block. The utility model adopts an electromagnet device, which makes the clamping more thorough and at the same time makes the workpiece more stable, and the milling machine is convenient to process the workpiece surface, and the clamping block adopts a straight clamping part, an arc clamping part and a sharp angle clamping part. , so that the fixture can hold more styles of workpieces, can process different parts, reduce costs, save time and effort.

Description

A multi-point clamping fixture for milling machine

technical field

The utility model relates to the field of milling machine processing equipment, in particular to a multi-point clamping fixture for a milling machine.

Background technique

The milling machine fixture is mainly used to process the plane, groove, spline and various forming surfaces on the part. It is one of the most commonly used fixtures. It is mainly composed of positioning device, clamping device, clamping body, connecting element and tool setting element. During milling, the cutting force is large, it is intermittent cutting, and the vibration is large. Therefore, the clamping force of the milling machine fixture is required to be large, and the rigidity and strength requirements of the fixture are relatively high.

Existing milling machine fixtures can only specifically clamp one type of workpiece. When other types of parts need to be processed, other fixtures need to be replaced, which not only wastes time, but also greatly increases the processing cost, which is time-consuming and expensive.

Utility model content

The purpose of the utility model is to propose a multi-point clamping fixture for a milling machine in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the present invention adopts the following technical solutions: a multi-point clamping fixture for a milling machine, comprising a base, a placing block is fixedly connected to the top of the base, and an electromagnet is fixedly connected to the inside of the placing block, The upper surface of the placement block is fixedly connected with a placement groove, the upper surface of the base and located on the left side of the placement block is fixedly connected with a support block, the top of the support block is fixedly connected with a hydraulic cylinder, and the output of the hydraulic cylinder is fixedly connected. A connecting rod is fixedly connected to the end, a clamping block is fixedly connected to one end of the connecting rod away from the hydraulic cylinder, and a sliding block is fixedly connected to the bottom of the clamping block.

As a further description of the above technical solutions:

The clamping block includes a clamping body, the right side of the clamping body is fixedly connected with a linear clamping portion, and the right side of the clamping body and below the linear clamping portion is fixedly connected with an arc clamping portion , the right side of the clamping body is located below the arc clamping part to fix the sharp corner clamping part, and the inner part of the clamping body is fixedly installed with an extrusion body.

As a further description of the above technical solutions:

A switch button is fixedly connected to the front surface of the base, and the switch button is signal-connected with the electromagnet.

As a further description of the above technical solutions:

The bottom of the base is fixedly connected with mounting blocks, the number of the mounting blocks is two, and the two mounting blocks are evenly distributed on the bottom of the base.

As a further description of the above technical solutions:

A chute is fixedly connected to the upper surface of the placing block and located on the right side of the placement slot, and the chute is movably connected to the slider.

As a further description of the above technical solutions:

There are two supporting blocks, hydraulic cylinders and clamping blocks, and the two supporting blocks, hydraulic cylinders and clamping blocks are symmetrically arranged on both sides of the base.

As a further description of the above technical solutions:

The material of the extruding body is a hard sponge, and the straight-line clamping part, the arc-line clamping part, and the sharp-angle clamping part are fixedly connected.

The utility model has the following beneficial effects:

1. Compared with the prior art, the multi-point clamping fixture for the milling machine adopts an electromagnet device, which makes the clamping more thorough, and at the same time makes the workpiece more stable, and the milling machine is convenient for processing on the surface of the workpiece.

2. Compared with the prior art, the milling machine uses a multi-point clamping fixture, and the clamping block adopts a straight clamping part, an arc clamping part, and a sharp-angle clamping part, so that the style of the workpiece that can be clamped by the clamp is more More, can process different parts, reduce costs, save time and effort.

Description of drawings

1 is a schematic diagram of the overall structure of a multi-point clamping fixture for a milling machine proposed by the utility model;

2 is a top view of a multi-point clamping fixture for a milling machine proposed by the utility model;

3 is a structural diagram of a clamping block of a multi-point clamping fixture for a milling machine proposed by the utility model.

illustration:

1. Base; 2. Placement block; 3. Electromagnet; 4. Placement slot; 5. Support block; 6. Hydraulic cylinder; 7. Connecting rod; 8. Clamping block; 9. Switch button; 10. Chute; 11. Slider; 12. Mounting block; 801, clamping body; 802, straight clamping part; 803, arc clamping part; 804, sharp angle clamping part; 805, extrusion body.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance. In addition, Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1-3, the utility model provides a multi-point clamping fixture for a milling machine: comprising a base 1, the top of the base 1 is fixedly connected with a placing block 2, the placing block 2 places the workpiece, and the interior of the placing block 2 is fixedly connected with a The electromagnet 3, the electromagnet 3 sucks the workpiece, the upper surface of the placement block 2 is fixedly connected with a placement slot 4, the placement slot 4 places the workpiece, the upper surface of the base 1 and located on the left side of the placement block 2 is fixedly connected with a support block 5, The support block 5 supports the hydraulic cylinder 6, the top of the support block 5 is fixedly connected with a hydraulic cylinder 6, the hydraulic cylinder 6 provides power for the clamping block 8, the output end of the hydraulic cylinder 6 is fixedly connected with a connecting rod 7, and the connecting rod 7 transmits power, A clamping block 8 is fixedly connected to one end of the connecting rod 7 away from the hydraulic cylinder 6 , and a sliding block 11 is fixedly connected to the bottom of the clamping block 8 to provide a space for movement.

The clamping block 8 includes a clamping body 801, the right side of the clamping body 801 is fixedly connected with a linear clamping portion 802, when the side of the workpiece is flat, there is a linear clamping portion 802 for clamping, and the right side of the clamping body 801 is clamped. An arc clamping portion 803 is fixedly connected below the straight clamping portion 802. When the side surface of the workpiece is an arc surface, there is an arc clamping portion 803 for clamping, and the right side of the clamping body 801 is located in the arc clamp. The sharp corner clamping part 804 is fixed below the tightening part 803. When the side of the workpiece is sharp, there is a sharp corner clamping part 804 for clamping. The inner part of the clamping body 801 is fixedly installed with an extruding body 805. The extruding body 805 The device can clamp sharp corners of different angles. The front surface of the base 1 is fixedly connected with a switch button 9 to control the opening and closing of the electromagnet 3. The switch button 9 is connected with the signal of the electromagnet 3, and the bottom of the base 1 is fixedly connected with an installation Block 12, the number of mounting blocks 12 is two, the two mounting blocks 12 are evenly distributed on the bottom of the base 1, the mounting blocks 12 make the device placed on the machine, the upper surface of the placing block 2 is located on the right side of the mounting groove 4 to be fixed A chute 10 is connected, the chute 10 is used for the clamping block 8 to move, the chute 10 is movably connected with the slider 11, the number of the support block 5, the hydraulic cylinder 6 and the clamping block 8 is two, and the two support blocks 5 , The hydraulic cylinder 6 and the clamping block 8 are symmetrically arranged on both sides of the base 1, so that the clamps are clamped on both sides. The sharp corner clamping portion 804 is fixedly connected.

Working principle: place the workpiece into the placement groove 4 on the placing block 2, adjust a certain position, control the hydraulic cylinder 6 to clamp the clamping block 8, and then turn on the switch button 9 to make the electromagnet 3 work and tighten the workpiece. Tightly suck it in the placement groove 4, when the processing is completed, press the switch button 9 to make the workpiece fall off, the hydraulic cylinder 6 is relaxed, put down, take out the workpiece, cycle, complete the clamping action, the linear clamping part 802, the arc clamp The tightening part 803 and the sharp-angle clamping part 804 enable the clamp to hold more styles of workpieces.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a multi-point clamping jig for milling machine, includes base (1), its characterized in that: the utility model discloses a pneumatic clamp, including base (1), the inside fixedly connected with electro-magnet (3) of placing piece (2), the last fixed surface who places piece (2) is connected with mounting groove (4), the upper surface of base (1) just is located the left side fixedly connected with supporting shoe (5) of placing piece (2), the top fixedly connected with pneumatic cylinder (6) of supporting shoe (5), the output fixedly connected with connecting rod (7) of pneumatic cylinder (6), the tight piece (8) of one end fixedly connected with that pneumatic cylinder (6) were kept away from in connecting rod (7), the bottom fixedly connected with slider (11) of pressing from both sides tight piece (8).

2. The multipoint holding jig for a milling machine according to claim 1, characterized in that: the clamping block (8) comprises a clamping body (801), a right side fixedly connected with linear clamping portion (802) of the clamping body (801), a right side of the clamping body (801) and a lower side fixedly connected with arc clamping portion (803) located at the linear clamping portion (802), a right side of the clamping body (801) and a lower side fixed sharp corner clamping portion (804) located at the arc clamping portion (803), and a squeezing body (805) is fixedly installed inside the clamping body (801).

3. The multipoint holding jig for a milling machine according to claim 1, characterized in that: the front surface of base (1) fixed connection has shift knob (9), shift knob (9) and electro-magnet (3) signal connection.

4. The multipoint holding jig for a milling machine according to claim 1, characterized in that: the bottom fixedly connected with installation piece (12) of base (1), the quantity of installation piece (12) is two, two installation piece (12) evenly distributed is in the bottom of base (1).

5. The multipoint holding jig for a milling machine according to claim 1, characterized in that: the upper surface of the placing block (2) is located on the right side of the placing groove (4) and is fixedly connected with a sliding groove (10), and the sliding groove (10) is movably connected with a sliding block (11).

6. The multipoint holding jig for a milling machine according to claim 1, characterized in that: the number of the supporting blocks (5), the hydraulic cylinders (6) and the clamping blocks (8) is two, and the supporting blocks (5), the hydraulic cylinders (6) and the clamping blocks (8) are symmetrically arranged on two sides of the base (1).

7. The multipoint holding jig for a milling machine according to claim 2, characterized in that: the material of the extrusion body (805) is hard sponge, and the straight line clamping part (802), the arc line clamping part (803) and the sharp corner clamping part (804) are fixedly connected.

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