Bearing bush counterpart plane broaching machining device

Abstract

The utility model belongs to the technical field of bearing bush machining, and particularly relates to a bearing bush counterpart plane broaching device which comprises a fixing frame, a hydraulic cylinder fixedly installed on the top of the fixing frame, a limiting fixing mechanism fixedly installed at one end of the hydraulic cylinder, a base fixedly installed on the fixing frame, a die holder fixedly installed on the top of the base and an electric sliding rail arranged in the base. And a driving block is arranged in the electric sliding rail. The die holder, the hydraulic cylinder, the limiting and fixing mechanism, the movable groove, the pressure switch, the movable rod, the compression spring and the limiting pressing block are used in cooperation, the hydraulic cylinder is driven to work, the limiting and fixing mechanism can be pushed to effectively limit and fix a bearing bush to be machined on the die holder, and the movable rod is movably connected with the movable groove in a sleeved mode. And when the pressure reaches a limit value, the hydraulic cylinder can be controlled to stop working at the joint of the movable column and the pressure switch, so that the processing and production effect can be prevented from being influenced by too large or too small pressure, and the processing and production work can be better carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing bush processing, in particular to a bearing bush mating surface broaching processing device. Background Art

[0002] The bearing shell is the part where the sliding bearing and the journal contact. It is in the shape of a semi-cylindrical surface in the shape of a tile, very smooth, and is generally made of wear-resistant materials such as bronze and anti-friction alloys. In special cases, it can be made of wood, engineering plastics or rubber. There are two types of bearing shells: integral and split. The integral bearing shell is usually called a bushing. Integral bearing shells are available in two types: with or without oil grooves. The bearing shell and the journal are clearance-fitted and generally do not rotate with the shaft. In the well-known bearing shell processing process, during the punching and bending process, a certain amount of broaching allowance needs to be reserved for the high radius of the bearing shell (the height of the semicircle circumference). In the subsequent processing, the essential process of broaching is performed to achieve a more precise processing of the high radius of the bearing shell.

[0003] The prior art has the following problems:

[0004] The existing bearing shell matching plane broaching processing device has a relatively simple overall device structure and lacks a good limit clamping mechanism during the processing. Excessive clamping force can easily cause damage to it, while excessive clamping force can easily cause it to loosen, affecting the processing and production effect, resulting in certain limitations in its use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a bearing shell mating plane broaching processing device, which solves the problems that the current overall device structure is relatively simple, lacks a better limit clamping mechanism during the processing process, and is easily damaged by excessive clamping force, while it is easy to cause loosening if the clamping force is too small, affecting the processing and production effect and resulting in certain limitations in work use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bearing shell mating surface broaching processing device, comprising a fixed frame, a hydraulic cylinder is fixedly installed on the top of the fixed frame, a limited fixing mechanism is fixedly installed on one end of the hydraulic cylinder, a base is fixedly installed on the fixed frame, a mold base is fixedly installed on the top of the base, an electric slide rail is arranged inside the base, a drive block is arranged inside the electric slide rail, and a processing mechanism is fixedly connected to the top of the drive block.

[0007] As a preferred technical solution of the utility model, the limit fixing mechanism includes a movable groove, a pressure switch, a movable rod, a compression spring, a limit pressure block and a protective layer. The movable groove is arranged inside the sub-limit fixing mechanism, a pressure switch is fixedly installed inside the movable groove, a movable rod is arranged inside the movable groove, a compression spring is arranged on the outer wall of the movable rod, a limit pressure block is fixedly installed on one end of the movable rod, a protective layer is arranged on the outer wall of the limit pressure block, the pressure switch is electrically connected to the hydraulic cylinder through a wire, the outer diameter of the movable rod is matched with the inner diameter of the movable groove, and the movable rod is movably sleeved in the movable groove.

[0008] As a preferred technical solution of the utility model, the protective layer is made of rubber material, and the outer wall of the limiting pressure block and the inner wall of the mold base are both provided with a protective layer.

[0009] As a preferred technical solution of the utility model, a wire is arranged inside the electric slide rail, the electric slide rail is electrically connected to an external power supply through the wire, and the driving block is slidably connected to the electric slide rail.

[0010] As a preferred technical solution of the utility model, the processing mechanism includes a motor, a threaded rod, a sleeve and a processing cutter head. The motor is fixedly installed on the top of the processing mechanism, a threaded rod is provided at one end of the motor, a sleeve is provided on the threaded rod, a processing cutter head is fixedly connected to one side of the sleeve, the motor is electrically connected to an external power supply through a wire, a threaded hole is provided inside the sleeve, and the sleeve is threadedly slidably connected to the threaded rod through the threaded hole.

[0011] As a preferred technical solution of the utility model, two processing mechanisms are provided, and the processing mechanisms are symmetrically distributed on both sides of the mold base.

[0012] Compared with the prior art, the utility model provides a bearing shell surface broaching processing device, which has the following beneficial effects:

[0013] 1. This kind of bearing shell matching plane broaching processing device is used in conjunction with a die base, a hydraulic cylinder, a limit fixing mechanism, a movable groove, a pressure switch, a movable rod, a compression spring and a limit pressure block. By driving the hydraulic cylinder to work, the limit fixing mechanism can be pushed to effectively limit and fix the bearing shell to be processed on the die base. By setting the movable rod and the movable groove to be movably connected, when the pressure reaches the limited value, the movable column and the pressure switch are connected to control the hydraulic cylinder to stop working, which can avoid the influence of excessive or insufficient pressure on the processing and production effect, and facilitate better processing and production work. By providing a protective layer on the outer wall of the limit pressure block and the inner wall of the die base for use in conjunction, it can prevent the outer wall of the bearing shell from being easily worn, and facilitate improving the processing and production quality.

[0014] 2. This kind of bearing shell mating surface broaching processing device, through the arrangement of electric slide rails and drive blocks for use, can adjust the processing mechanism left and right, so as to facilitate the processing work. By setting a motor, a threaded rod, a sleeve and a processing cutter head for use in combination, the motor is driven to work, the threaded rod can be rotated to drive the sleeve to perform thread lifting and lowering adjustment, so that the processing cutter head can be raised and lowered to perform pin pulling processing on both ends of the fixedly clamped bearing shell. The operation is convenient. By arranging two processing mechanisms to work simultaneously, both ends of the bearing shell can be processed simultaneously, so as to improve the processing production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the limit fixing mechanism of the utility model;

[0017] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the base of the utility model.

[0019] In the figure: 1. fixed frame; 2. hydraulic cylinder; 3. limit fixing mechanism; 301. movable groove; 302. pressure switch; 303. movable rod; 304. compression spring; 305. limit pressure block; 306. protective layer; 4. base; 5. mold base; 6. electric slide rail; 7. drive block; 8. processing mechanism; 801. motor; 802. threaded rod; 803. sleeve; 804. processing tool head. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4In this embodiment: a bearing shell matching plane broaching processing device comprises a fixed frame 1, a hydraulic cylinder 2 is fixedly installed on the top of the fixed frame 1, which is convenient for lifting and lowering a limit fixing mechanism 3, and a limit fixing mechanism 3 is fixedly installed on one end of the hydraulic cylinder 2, which is convenient for limiting and fixing the bearing shell to be processed, a base 4 is fixedly installed on the fixed frame 1, which is convenient for installing a die base 5, and a die base 5 is fixedly installed on the top of the base 4, which is convenient for placing the bearing shell, an electric slide rail 6 is arranged inside the base 4, which is convenient for controlling a driving block 7 for displacement adjustment, and a driving block 7 is arranged inside the electric slide rail 6, which is convenient for connecting a processing mechanism 8, and a processing mechanism 8 is fixedly connected to the top of the driving block 7, which is convenient for processing the bearing shell.

[0022] In this embodiment, the limit fixing mechanism 3 includes a movable groove 301, a pressure switch 302, a movable rod 303, a compression spring 304, a limit pressing block 305 and a protective layer 306. The movable groove 301 is arranged inside the sub-limit fixing mechanism 3, the pressure switch 302 is fixedly installed inside the movable groove 301, the movable rod 303 is arranged inside the movable groove 301, the compression spring 304 is arranged on the outer wall of the movable rod 303, and the limit pressing block 305 is fixedly installed at one end of the movable rod 303. The outer wall of the limit pressure block 305 is provided with a protective layer 306, the pressure switch 302 is electrically connected to the hydraulic cylinder 2 through a wire, the outer diameter of the movable rod 303 is adapted to the inner diameter of the movable groove 301, and the movable rod 303 and the movable groove 301 are movably connected, which is convenient for limiting and clamping the bearing and facilitating processing; the protective layer 306 is made of rubber material, and the outer wall of the limit pressure block 305 and the inner wall of the mold base 5 are both provided with a protective layer 306, which can prevent the outer wall of the bearing from being easily worn. loss, which is convenient for better work and use; a wire is arranged inside the electric slide rail 6, and the electric slide rail 6 is electrically connected to an external power supply through the wire, and the drive block 7 is slidably connected to the electric slide rail 6, which is convenient for driving it to work and convenient for controlling the drive block 7 to adjust the displacement; the processing mechanism 8 includes a motor 801, a threaded rod 802, a sleeve 803 and a processing cutter head 804, a motor 801 is fixedly installed on the top of the processing mechanism 8, a threaded rod 802 is arranged at one end of the motor 801, a sleeve 803 is arranged on the threaded rod 802, a processing cutter head 804 is fixedly connected to one side of the sleeve 803, the motor 801 is electrically connected to an external power supply through a wire, a threaded hole is arranged inside the sleeve 803, and the sleeve 803 is threadedly slidably connected to the threaded rod 802 through the threaded hole, which is convenient for processing the bearing, and the operation is convenient; there are two processing mechanisms 8, and the processing mechanisms 8 are symmetrically distributed on both sides of the mold base 5, which can facilitate the simultaneous processing of both ends of the bearing, thereby improving the processing production efficiency.

[0023] The working principle and use process of the utility model are as follows: the operator places the bearing on the die base 5 and drives the hydraulic cylinder 2 to push the limiting fixing mechanism 3 to effectively limit and clamp the bearing on the die base 5, and drives the electric slide rail 6 to control the driving block 7 to drive the processing mechanism 8 to adjust and move left and right, and drives the motor 801 to rotate the threaded rod 802 to drive the sleeve 803 to adjust the thread, so that the processing head 804 can be raised and lowered to perform pin processing on the two ends of the fixedly clamped bearing, which is convenient to operate and use.

[0024] 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 above embodiments, those skilled in the art can still modify the technical solutions recorded in the above 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 protection scope of the utility model.

Claims

1. A bearing shell surface broaching device, comprising a fixed frame (1), a hydraulic cylinder (2) fixedly mounted on the top of the fixed frame (1), characterized in that: A limited position fixing mechanism (3) is fixedly mounted on one end of the hydraulic cylinder (2); a base (4) is fixedly mounted on the fixing frame (1); a mold base (5) is fixedly mounted on the top of the base (4); an electric slide rail (6) is arranged inside the base (4); a driving block (7) is arranged inside the electric slide rail (6); and a processing mechanism (8) is fixedly connected to the top of the driving block (7).

2. A bearing bushing surface broaching device according to claim 1, characterized in that: The limit fixing mechanism (3) comprises a movable groove (301), a pressure switch (302), a movable rod (303), a compression spring (304), a limit pressing block (305) and a protective layer (306); the movable groove (301) is arranged inside the sub-limit fixing mechanism (3); the pressure switch (302) is fixedly installed inside the movable groove (301); the movable rod (303) is arranged inside the movable groove (301); the outer wall of the movable rod (303) is provided with a compression spring (304); a limit pressing block (305) is fixedly installed at one end of the movable rod (303); the outer wall of the limit pressing block (305) is provided with a protective layer (306); the pressure switch (302) is electrically connected to the hydraulic cylinder (2) via a wire; the outer diameter of the movable rod (303) is matched with the inner diameter of the movable groove (301); the movable rod (303) is movably sleeved with the movable groove (301).

3. The device for broaching the bearing shell surface according to claim 2, characterized in that: The protective layer (306) is made of rubber material, and the outer wall of the limiting pressure block (305) and the inner wall of the mold base (5) are both provided with the protective layer (306).

4. The device for broaching the bearing shell surface according to claim 1, characterized in that: A conductive wire is provided inside the electric slide rail (6), the electric slide rail (6) is electrically connected to an external power source via the conductive wire, and the driving block (7) is slidably connected to the electric slide rail (6).

5. The device for broaching the bearing shell surface according to claim 1, characterized in that: The processing mechanism (8) comprises a motor (801), a threaded rod (802), a sleeve (803) and a processing cutter head (804); the motor (801) is fixedly mounted on the top of the processing mechanism (8); a threaded rod (802) is arranged at one end of the motor (801); a sleeve (803) is arranged on the threaded rod (802); a processing cutter head (804) is fixedly connected to one side of the sleeve (803); the motor (801) is electrically connected to an external power supply via a wire; a threaded hole is arranged inside the sleeve (803); and the sleeve (803) is threadedly slidably connected to the threaded rod (802) via the threaded hole.

6. The device for broaching the bearing shell surface according to claim 1, characterized in that: Two processing mechanisms (8) are provided, and the processing mechanisms (8) are symmetrically distributed on both sides of the mold base (5).

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