A roller grinder shaft box body tool clamp

Abstract

This utility model relates to the field of shaft box cleaning and fixing technology, and in particular to a tooling fixture for a shaft box of a drum grinding machine. It includes an inner clamp and an outer clamp for fixing the shaft box workpiece, as well as a cleaning box. The inner and outer clamps have identical structures and are connected at the ends. The inner clamp is fixedly installed inside the cleaning box. The left end of the inner clamp is bolted to the outer clamp, and the right end of the outer clamp is bolted to an outer fixing plate. This tooling fixture for a shaft box of a drum grinding machine, through modular support and positioning, multi-directional rigid constraints, and standardized adaptable connections, constructs a clamping system that is "precisely positioned, firmly fixed, and flexibly adaptable." This solves the problems of "uncontrolled displacement, cumbersome clamping, and poor adaptability" during shaft box cleaning, ensuring uniform action of the cleaning fluid and avoiding problems of incomplete cleaning or excessive damage caused by displacement.

Description

Technical Field

[0001] This utility model relates to the field of shaft box cleaning and fixing technology, and in particular to a tooling fixture for a shaft box of a drum grinder. Background Technology

[0002] In the manufacturing process of the shaft box of the tumbling mill, the cleaning process is a key step to ensure the subsequent assembly accuracy and the reliability of equipment operation. The shaft box has a complex structure, and the internal chambers, connecting holes and the outer surface are prone to the adhesion of processing debris, oil stains, rust inhibitor residues and other impurities. If the cleaning is not thorough, it will affect the lubrication effect and sealing performance after the shaft system is assembled, and may even cause abnormal noise and accelerated wear in the equipment. In order to achieve stable cleaning of the shaft box, it is necessary to use tooling fixtures to fix it precisely to ensure that the position of the shaft box does not shift during cleaning actions such as rinsing with cleaning fluid and mechanical grinding, and to ensure that all parts are cleaned evenly and thoroughly. However, the existing tooling fixtures used for cleaning shaft boxes have the following prominent defects: 1. Some fixtures use multiple sets of rigid clamping parts (such as bolt groups and fixed pressure plates) to achieve stable clamping. Although they can provide a large clamping force, the clamping process requires adjusting and locking multiple clamping parts one by one, which is cumbersome and time-consuming, increasing labor costs and production cycle. Some fixtures that emphasize rapid clamping, such as simple snap-fit ​​structures, struggle to maintain stable clamping force under complex conditions like vibrations in cleaning equipment and impacts from cleaning fluid. This can cause the shaft housing to loosen and wobble, reducing cleaning effectiveness and potentially damaging the workpiece or equipment due to collisions between the shaft housing and the fixture or cleaning equipment, impacting production safety and equipment lifespan. 2. Existing fixture positioning structures (such as positioning pins and positioning surfaces) are often designed based on a single-specification shaft housing. They lack flexible adaptation and adjustment capabilities for shaft housings of different models and sizes (especially those with differences in key parameters such as center distance and mounting hole positions). When shaft housing models are changed or manufacturing tolerances exist, the positioning pins and shaft housing mounting holes may have excessive clearance or fail to insert, leading to slight displacement of the shaft housing during cleaning. Therefore, we have introduced a shaft housing tooling fixture for a drum grinding machine. Utility Model Content

[0003] The main purpose of this utility model is to provide a tooling fixture for the shaft box of a drum grinder, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A tooling fixture for a roller grinding machine shaft box includes an inner fixture and an outer fixture for fixing the shaft box workpiece, as well as a cleaning box. The inner fixture and the outer fixture have the same structure and are connected at the ends. The inner fixture is fixedly installed inside the cleaning box. The left end of the inner fixture is bolted to the outer fixture, and the right end of the outer fixture is bolted to an outer fixing plate.

[0006] The external clamp of the box includes a first U-shaped connecting rod and a second U-shaped connecting rod. The upper ends of the first U-shaped connecting rod and the second U-shaped connecting rod are welded with support plates, and the lower parts of the first U-shaped connecting rod and the second U-shaped connecting rod are welded with trays. The upper ends of the two support plates are detachably connected to a pressure rod by locking bolts. The end of the first U-shaped connecting rod away from the second U-shaped connecting rod is fixedly connected to a first connecting plate, and the end of the second U-shaped connecting rod away from the first U-shaped connecting rod is fixedly connected to a second connecting plate.

[0007] Preferably, the first U-shaped connecting rod and the second U-shaped connecting rod are symmetrically distributed from left to right.

[0008] Preferably, the bottom of the cleaning box has a trapezoidal structure, and the first connecting plate and the second connecting plate on the internal clamp are fixed to the right inner wall and the left inner wall of the cleaning box, respectively, to fix the internal clamp in the cleaning box. The connection between the first connecting plate and the second connecting plate and the cleaning box is waterproof and sealed.

[0009] Preferably, the No. 1 connecting plate on the inner clamp and the No. 2 connecting plate on the outer clamp are fixedly connected by bolts.

[0010] Preferably, the second connecting plate on the internal clamp of the box is fixedly connected to the second external fixing plate by bolts.

[0011] Preferably, the No. 1 connecting plate on the outer clamp of the box is fixedly connected to the No. 1 outer fixing plate by bolts, and the No. 1 outer fixing plate and the No. 2 outer fixing plate are respectively fixed to the external equipment.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. In this utility model, the internal and external clamps adopt a symmetrically distributed No. 1 U-shaped connecting rod and No. 2 U-shaped connecting rod, combined with a support plate, a tray and a pressure rod. The support plate and the tray provide upper and lower support for the shaft box workpiece. With the adjustable clamping of the locking bolts, it can adapt to the positioning requirements of shaft boxes of different sizes. At the same time, the standardized bolt connection of the No. 1 connecting plate and the No. 2 connecting plate can flexibly adjust the docking accuracy between the clamps according to the mounting hole position, center distance and other parameters of the shaft box, ensuring that the positioning error of the shaft box is minimal during the cleaning process, and avoiding the problem of local incomplete cleaning or excessive damage caused by displacement.

[0014] 2. In this utility model, the opening structure of the No. 1 U-shaped connecting rod and the No. 2 U-shaped connecting rod, as well as the planar support design of the support plate and the tray, can form a certain "tolerance space" for the manufacturing tolerances of the axle box body (such as the deviation of the mounting hole position and the error of the external dimensions). When the axle box body is fitted into the fixture, the support surfaces of the support plate and the tray can adaptively contact and adjust. With the fine adjustment and tightening of the locking bolt, it can not only ensure stable positioning, but also be compatible with the tolerance differences of different batches and models of axle boxes, thus solving the problem of poor adaptability of a single fixture. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a tooling fixture for a roller grinding machine shaft box according to the present invention;

[0016] Figure 2 This is a structural diagram of the external clamp of the tooling fixture for the shaft box of a roller grinding machine according to this utility model;

[0017] Figure 3 This is a schematic diagram showing the connection between the internal fixture of the shaft box body tooling fixture of a roller grinding machine and the workpiece of the shaft box body according to the present invention;

[0018] Figure 4 This is a schematic diagram showing the connection between the inner and outer clamps of a roller grinding machine shaft box tooling fixture according to the present invention.

[0019] In the diagram: 1. Inner clamp; 2. Outer clamp; 3. Cleaning box; 4. External fixing plate No. 1; 5. External fixing plate No. 2; 6. Shaft box body workpiece; 21. U-shaped connecting rod No. 1; 22. U-shaped connecting rod No. 2; 23. Pressure rod; 24. Pallet; 25. Support plate; 26. Locking bolt; 27. Connecting plate No. 1; 28. Connecting plate No. 2. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figures 1-4 This utility model provides a technical solution:

[0024] A tooling fixture for a roller grinding machine shaft box includes an inner clamp 1 and an outer clamp 2 for fixing a shaft box workpiece 6, and a cleaning box 3. The inner clamp 1 and the outer clamp 2 have the same structure and are connected at the ends. The inner clamp 1 is fixedly installed inside the cleaning box 3. The left end of the inner clamp 1 is bolted to the outer clamp 2, and the right end of the outer clamp 2 is bolted to an outer fixing plate 4.

[0025] The external clamp 2 includes a first U-shaped connecting rod 21 and a second U-shaped connecting rod 22. Both the first U-shaped connecting rod 21 and the second U-shaped connecting rod 22 have a support plate 25 welded to their upper ends, and both have a tray 24 welded to their lower parts. The upper ends of the two support plates 25 are detachably connected to a pressure rod 23 via locking bolts 26. A first connecting plate 27 is fixedly connected to the end of the first U-shaped connecting rod 21 away from the second U-shaped connecting rod 22, and a second connecting plate 28 is fixedly connected to the end of the second U-shaped connecting rod 22 away from the first U-shaped connecting rod 21. The first U-shaped connecting rod 21 and the second U-shaped connecting rod 22 are symmetrically distributed from left to right. The bottom of the cleaning tank 3 has a trapezoidal structure. The first connecting plate 27 and the second connecting plate 28 on the internal clamp 1 are fixed to the right inner wall and the left inner wall of the cleaning box 3, respectively, thus fixing the internal clamp 1 to the cleaning box 3. The connection points of the first connecting plate 27 and the second connecting plate 28 with the cleaning box 3 are waterproof and sealed. The first connecting plate 27 on the internal clamp 1 and the second connecting plate 28 on the external clamp 2 are fixedly connected by bolts. The second connecting plate 28 on the internal clamp 1 is fixedly connected to the second external fixing plate 5 by bolts. The first connecting plate 27 on the external clamp 2 is fixedly connected to the first external fixing plate 4 by bolts. The first external fixing plate 4 and the second external fixing plate 5 are fixed to the external equipment, respectively.

[0026] It should be noted that during use, after fixing the No. 1 connecting plate 27 and the No. 2 connecting plate 28 on the internal clamp 1 to the inside of the cleaning box 3, and fixing the No. 2 U-shaped connecting rod 22 and the No. 1 U-shaped connecting rod 21 on the internal clamp 1 to the inside of the cleaning box 3, after confirming the installation is complete by adjusting the distance between the No. 1 U-shaped connecting rod 21 and the No. 2 U-shaped connecting rod 22, align the holes on the axle box workpiece 6 with the No. 1 U-shaped connecting rod 21 and the No. 2 U-shaped connecting rod 22 and insert them from the top so that the two trays 24 support and hold the axle box workpiece 6. Place the pressure rod 23 on the two trays 25 and tighten the bolts to lock the pressure rod 26 so that the pressure rod 23 presses the upper part of the axle box workpiece 6. During this process, the pressure rod 23, together with the two other pressure rods 23, firmly fixes the axle box workpiece 6 to the No. 1 U-shaped connecting rod 21 and the No. 2 U-shaped connecting rod 22. On rod 22, the workpiece 6 of the shaft box is fixed, realizing the stable cleaning of the workpiece 6 of the shaft box in the cleaning tank 3, avoiding damage caused by insecure fixing during the cleaning process. The entire device is fixed to external equipment through the first external fixing plate 4 and the second external fixing plate 5 respectively. The external clamp 2 and the internal clamp 1 are docked and fixed, so that the workpiece after cleaning in the cleaning tank 3 is fixed again on the external clamp 2 for the next step of processing. This tooling fixture constructs a clamping system of "precise positioning - stable fixing - flexible adaptation" through modular support and positioning, multi-directional rigid constraint and standardized adaptable connection, which solves the problems of "displacement loss, cumbersome clamping and poor adaptability" in the cleaning process of shaft box, ensures uniform action of cleaning fluid and precise processing of grinding tools, and finally achieves dual control of shaft box cleanliness and shape and position accuracy.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A tooling fixture for a roller grinding machine shaft box, comprising an inner fixture (1) and an outer fixture (2) for fixing a shaft box workpiece (6) and a cleaning box (3), characterized in that: The internal clamp (1) and external clamp (2) have the same structure and are connected at the end. The internal clamp (1) is fixedly installed inside the cleaning box (3). The left end of the internal clamp (1) is connected to the external clamp (2) by bolts. The right end of the external clamp (2) is connected to an external fixing plate (4) by bolts. The external clamp (2) includes a first U-shaped connecting rod (21) and a second U-shaped connecting rod (22). The upper ends of the first U-shaped connecting rod (21) and the second U-shaped connecting rod (22) are welded with support plates (25). The lower parts of the first U-shaped connecting rod (21) and the second U-shaped connecting rod (22) are welded with trays (24). The upper ends of the two support plates (25) are detachably connected to pressure rods (23) by locking bolts (26). The end of the first U-shaped connecting rod (21) away from the second U-shaped connecting rod (22) is fixedly connected to a first connecting plate (27). The end of the second U-shaped connecting rod (22) away from the first U-shaped connecting rod (21) is fixedly connected to a second connecting plate (28).

2. The tooling fixture for the shaft box of a drum grinding machine according to claim 1, characterized in that: The first U-shaped link (21) and the second U-shaped link (22) are symmetrically distributed from left to right.

3. The tooling fixture for the shaft box of a drum grinding machine according to claim 1, characterized in that: The bottom of the cleaning box (3) is trapezoidal. The first connecting plate (27) and the second connecting plate (28) on the clamp (1) are fixed to the right inner wall and the left inner wall of the cleaning box (3) respectively. The clamp (1) is fixedly installed in the cleaning box (3), and the connection between the first connecting plate (27) and the second connecting plate (28) and the cleaning box (3) is waterproof and sealed.

4. The tooling fixture for the shaft box of a drum grinding machine according to claim 1, characterized in that, The No. 1 connecting plate (27) on the inner clamp (1) and the No. 2 connecting plate (28) on the outer clamp (2) are fixedly connected by bolts.

5. A tooling fixture for the shaft box of a drum grinding machine according to claim 1, characterized in that, The No. 2 connecting plate (28) on the internal clamp (1) of the box is fixedly connected to the No. 2 external fixing plate (5) by bolts.

6. A tooling fixture for the shaft box of a drum grinding machine according to claim 1, characterized in that, The No. 1 connecting plate (27) on the external clamp (2) is fixedly connected to the No. 1 external fixing plate (4) by bolts. The No. 1 external fixing plate (4) and the No. 2 external fixing plate (5) are respectively fixed to external equipment.

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