Burr cleaning and quick positioning device for casting

Abstract

The utility model discloses a casting burr cleaning quick positioning device which comprises a positioning bottom plate, at least four supporting columns are symmetrically arranged on the end face of the positioning bottom plate, and connecting plates connected with the supporting columns are arranged at the tops of the four supporting columns. A first limiting block, a second limiting block, a third limiting block and a fourth limiting block are symmetrically arranged on the end face, away from the four supporting columns, of the connecting plate, castings are placed on the tops of the first limiting block, the second limiting block, the third limiting block and the fourth limiting block, and pressing rod devices are arranged at the upper ends of the castings. The tool has the advantages that a set of special tool is arranged between a casting and an equipment rotary table, the casting is rapidly installed at a time and is matched with the height of an equipment pressing rod for pressing and positioning, then continuous steering of a plurality of faces is controlled through a program, and therefore midway overturning operation can be avoided, continuity and safety of grinding operation are guaranteed, and production efficiency is improved. And the problem that fingers of operators are easily injured is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of casting positioning processing, in particular to a burr cleaning and rapid positioning device for castings. Background Art

[0002] In the prior art, the casting product of the hydraulic end cover has multiple holes on its radial and axial surfaces, and waist-shaped holes on the bottom surface of the casting. When the hydraulic parts are cast, the product design usually has concave and convex parting, and the internal shape is usually formed by a sand core, which will produce a lot of burrs and make it difficult to grind and repair them later.

[0003] 1. In the existing technology, employees basically rely on manual grinding machines for grinding. Due to the different technical levels and proficiency of the grinders, the quality of grinding is relatively unstable;

[0004] 2. Castings have many curved surfaces and need to be flipped back and forth, which destroys the continuity of the operation and generates a lot of invalid working hours. In addition, the fingers of the operators are often crushed when the castings are flipped, causing injuries to the employees. Utility Model Content

[0005] The utility model aims to provide a casting burr cleaning and rapid positioning device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick positioning device for cleaning burrs of castings, comprising a positioning base plate, wherein at least four supporting columns are symmetrically arranged on the end surface of the positioning base plate, and connecting plates connected thereto are arranged on the tops of the four supporting columns, and the connecting plate is symmetrically provided with a first limit block, a second limit block, a third limit block and a fourth limit block on the end surface away from the four supporting columns, and castings are placed on the tops of the first limit block, the second limit block, the third limit block and the fourth limit block, and a pressure rod device is arranged on the upper ends thereof.

[0007] Further optimized, the first limit block, the second limit block, the third limit block and the fourth limit block are all symmetrically provided with positioning grooves near the top of the casting, and the positioning grooves are arranged in a concave shape.

[0008] For further optimization, a mounting through hole is provided in the middle of the positioning base plate, and a positioning key hole and a positioning pin hole are respectively provided on both sides of the mounting through hole.

[0009] For further optimization, the connecting plate and the four supporting columns are fixedly connected by screws.

[0010] For further optimization, a mounting block fixedly connected to the working turntable is provided in the mounting through hole, and the mounting block is fixedly connected to the working turntable via fixing bolts.

[0011] Further optimized, the pressure rod device includes a pressure rod arm, a pressure head is provided in the inner cavity of the pressure rod arm, a locking nut is provided at one end of the pressure rod arm, and the pressure head is arranged through the locking nut.

[0012] Beneficial Effects

[0013] The utility model provides a device for quickly positioning the burr cleaning of castings. A set of special tooling is arranged between the casting and the turntable of the equipment, so that the casting can be quickly installed at one time and tightly positioned in coordination with the height of the equipment pressure rod. Secondly, the continuous rotation of multiple surfaces is controlled by a program, so that the operation can be avoided from being turned over in the middle, thereby ensuring the continuity and safety of the grinding operation and avoiding the problem of easy injury to the operator's fingers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the casting removal structure of the utility model;

[0016] Figure 3 This is a top view schematic diagram of the positioning base plate of the utility model;

[0017] Figure 4 It is a side view schematic diagram of removing castings of the utility model;

[0018] Figure 5 It is a schematic structural diagram of the pressure rod device of the utility model. DETAILED DESCRIPTION

[0019] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0020] Example

[0021] like Figure 1-5 As shown, a quick positioning device for cleaning burrs of castings comprises a positioning base plate 1, at least four supporting columns 2 are symmetrically arranged on the end surface of the positioning base plate 1, a connecting plate 3 connected to the four supporting columns 2 is arranged on the top, a first limiting block 4, a second limiting block 5, a third limiting block 6 and a fourth limiting block 7 are symmetrically arranged on the end surface of the connecting plate 3 away from the four supporting columns 2, a casting 16 is placed on the top of the first limiting block 4, the second limiting block 5, the third limiting block 6 and the fourth limiting block 7, and a pressure rod device 15 is arranged on the upper end thereof.

[0022] In this embodiment, the first limit block 4, the second limit block 5, the third limit block 6 and the fourth limit block 7 are symmetrically provided with positioning grooves 8 near the top of the casting 16. The positioning grooves 8 are arranged in a concave shape to facilitate the positioning of the casting on its end surface without shaking.

[0023] A mounting through hole 11 is formed in the middle of the positioning base plate 1 , and a positioning key hole 9 and a positioning pin hole 10 are formed on both sides of the mounting through hole 11 .

[0024] The connecting plate 3 is fixedly connected to the four supporting columns 2 by means of screws.

[0025] A mounting block 17 fixedly connected to the working turntable is arranged in the mounting through hole 11. The mounting block 17 is fixedly connected to the working turntable via a fixing bolt 18, so as to fix the device.

[0026] The pressure rod device 15 comprises a pressure rod arm 12 , a pressure head 13 is arranged in the inner cavity of the pressure rod arm 12 , a locking nut 14 is arranged at one end of the pressure rod arm 12 , and the pressure head 13 is arranged through the locking nut 14 .

[0027] The positioning base plate is installed on the operating turntable of the equipment (fixed by the equipment mounting block and locking screws), which improves the positioning accuracy and facilitates the later replacement; according to the shape and size of the casting, a total of 4 limit blocks are provided (controlling the axial and radial positions of the casting), which controls the positioning of the 4 surfaces of the casting (front, back, left and right) to avoid the product being placed in the wrong position; the connecting plate and the positioning base plate are connected by a support column in the middle (fixed with 2 pins and 1 hole); there is a keyway hole and a pin hole on the positioning base plate (the key and pin can avoid repeated installation and positioning); a through hole is opened on the positioning base plate, which can facilitate the equipment and tooling to be quickly locked and fixed with the mounting block; the equipment pressure rod device (with an internal thread inside and a screw at the bottom for locking), the pressure head length is adjustable, a threaded pressure head is made, and it is locked by the thread and the bottom nut, which is convenient for adjusting the pressure head length, can be applied to products of different heights, and improves the operation time.

[0028] Place the tooling on the equipment workbench (fixed by keys, pins, and equipment mounting blocks); place the casting on the tooling; the pressure rod device presses the casting; the equipment cooperates with the tooling to grind the casting; after grinding, release the pressure rod device and take out the casting.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the utility model content within the protection scope of the utility model.

Claims

1. A quick positioning device for cleaning burrs of castings, characterized in that: The invention comprises a positioning base plate (1), wherein at least four supporting columns (2) are symmetrically arranged on the end surface of the positioning base plate (1), and a connecting plate (3) connected thereto is arranged on the top of the four supporting columns (2), and a first limiting block (4), a second limiting block (5), a third limiting block (6) and a fourth limiting block (7) are symmetrically arranged on the end surface of the connecting plate (3) away from the four supporting columns (2), and a casting (16) is placed on the top of the first limiting block (4), the second limiting block (5), the third limiting block (6) and the fourth limiting block (7), and a pressure rod device (15) is arranged on the upper end thereof.

2. The casting burr cleaning and rapid positioning device according to claim 1, characterized in that: The first limit block (4), the second limit block (5), the third limit block (6) and the fourth limit block (7) are all symmetrically provided with positioning grooves (8) near the top of the casting (16), and the positioning grooves (8) are arranged in a concave shape.

3. The casting burr cleaning and rapid positioning device according to claim 1, characterized in that: A mounting through hole (11) is provided in the middle of the positioning base plate (1), and a positioning key hole (9) and a positioning pin hole (10) are respectively provided on both sides of the mounting through hole (11).

4. The casting burr cleaning and rapid positioning device according to claim 3, characterized in that: The connecting plate (3) is fixedly connected to the four supporting columns (2) via screws.

5. The casting burr cleaning and rapid positioning device according to claim 3, characterized in that: A mounting block (17) fixedly connected to the operating turntable is arranged in the mounting through hole (11); the mounting block (17) is fixedly connected to the operating turntable via a fixing bolt (18).

6. The casting burr cleaning and rapid positioning device according to claim 1, characterized in that: The pressure rod device (15) comprises a pressure rod arm (12), a pressure head (13) is arranged in the inner cavity of the pressure rod arm (12), a locking nut (14) is arranged at one end of the pressure rod arm (12), and the pressure head (13) is arranged through the locking nut (14).

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