Clamp for machining outer circle of ceramic bearing ring

Abstract

The utility model discloses a fixture for machining the outer circle of a ceramic bearing ring, which relates to the technical field of ceramic bearings and comprises a fixture support, a supporting block is arranged at the upper end of the fixture support, and an automatic clamping component is connected to the outer side of the supporting block. According to the clamp for machining the outer circle of the ceramic bearing ring, when an outer ring workpiece is clamped, an electric push rod is started through an external controller, the output end of the electric push rod drives a push head to move upwards along the interior of a top hole, meanwhile, the top hole makes contact with inner grooves in the tail portions of four sets of moving blocks, the moving blocks and clamping plates are forced to move outwards, and the outer circle of the outer ring workpiece is machined. The outer ring workpiece is extruded along the inner ring of the outer ring workpiece, meanwhile, the pressure sensor detects the clamping pressure, when the clamping pressure reaches a set value, the clamping pressure is fed back to the external controller, then operation of the output end of the electric push rod is stopped, the push head is kept in situ, and therefore the outer ring workpiece is automatically clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic bearings, in particular to a clamp used for machining the outer circle of a ceramic bearing ring. Background Art

[0002] As an important mechanical foundation, ceramic bearings are unique in the world of new materials due to their excellent performance that metal bearings cannot match, such as high temperature resistance and super strength. Among them, the outer ring of the ceramic bearing ring is an important component of the bearing, which needs to be clamped during the processing, and thus a fixture is used;

[0003] The existing fixture requires manual operation to clamp and fix the outer ring, which is time-consuming and labor-intensive, cannot be clamped automatically, and has low efficiency. Therefore, the utility model proposes a fixture for processing the outer circle of a ceramic bearing ring. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a fixture for machining the outer circle of a ceramic bearing ring, which solves the problems in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fixture for machining the outer circle of a ceramic bearing ring, comprising a fixture bracket, a support block is provided at the upper end of the fixture bracket, an automatic clamping assembly is connected to the outer side of the support block, and an outer ring workpiece is sleeved on the outer side of the support block;

[0006] The automatic clamping assembly includes a clamping plate, a moving block is provided on one side of the clamping plate, a slider and an inner groove are provided on the outer side of the moving block, a moving groove and a slide groove are provided inside the support block, a top hole is provided inside the clamp bracket, an electric push rod is provided at the bottom of the clamp bracket, a push head is provided at the output end of the electric push rod, a guide groove and a pressure sensor are provided on one side of the moving block, and a guide column is provided on one side of the clamping plate.

[0007] As a further technical solution of the present invention, the fixture bracket and the support block are fixedly connected, and the outer ring workpiece is clamped at the upper end of the fixture bracket by an automatic clamping assembly.

[0008] As a further technical solution of the present invention, the number of the clamping plates is four and they are distributed in an array, the moving block and the clamping plate are connected through a pressure sensor, a fixed connection is formed between the detection end of the pressure sensor and the clamping plate, and the pressure sensor and the external controller are electrically connected.

[0009] As a further technical solution of the present invention, the moving block and the slider are fixedly connected, the moving block and the moving groove are adapted to each other, the number of sliders is twice the number of moving blocks, the slider and the slide groove are adapted to each other, and the number of slide grooves is equal to the number of sliders.

[0010] As a further technical solution of the present invention, the top hole is connected to the movable groove, the top hole is a cylindrical structure, the electric push rod and the clamp bracket are connected and fixed by bolts, the electric push rod and the external controller are electrically connected, and the output end of the electric push rod and the push head are fixedly connected.

[0011] As a further technical solution of the present invention, the end of the push head is an arc-shaped structure, the guide column and the clamping plate are fixedly connected, the number of the guide columns is twice the number of the clamping plates, the number of the guide grooves is equal to the number of the guide columns, and the guide grooves and the guide columns are adapted to each other.

[0012] The utility model provides a fixture for machining the outer circle of ceramic bearing rings. Compared with the existing technology, it has the following advantages:

[0013] A fixture for processing the outer circle of a ceramic bearing ring. An automatic clamping component is installed on the outer side of a support block. When clamping the outer ring workpiece, an electric push rod is started through an external controller, so that the output end of the electric push rod drives the push head to move upward along the inside of the top hole. At the same time, the top hole contacts the inner grooves at the tails of four groups of moving blocks, forcing the moving blocks and the clamping plate to move outward and squeeze along the inner ring of the outer ring workpiece. At the same time, a pressure sensor detects the clamping pressure. When the clamping pressure reaches the set value, it is fed back to the external controller to stop the operation of the output end of the electric push rod, keeping the push head in place, thereby automatically clamping the outer ring workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the structure of a fixture for machining the outer circle of a ceramic bearing ring;

[0015] Figure 2 This is a partial exploded view of a fixture used to process the outer circle of a ceramic bearing ring;

[0016] Figure 3 A top view of a fixture for machining the outer diameter of a ceramic bearing ring;

[0017] Figure 4 A fixture for machining the outer circle of ceramic bearing rings Figure 3 Side cross-sectional view of middle AA;

[0018] Figure 5This is a schematic diagram of the partial structure of a fixture used to process the outer circle of a ceramic bearing ring.

[0019] In the figure: 1. Clamp bracket; 2. Support block; 3. Automatic clamping assembly; 31. Clamping plate; 32. Moving block; 33. Slider; 34. Inner groove; 35. Moving groove; 36. Slide groove; 37. Top hole; 38. Electric push rod; 39. Push head; 310. Guide column; 311. Guide groove; 312. Pressure sensor; 4. Outer ring workpiece. DETAILED DESCRIPTION

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

[0021] See also Figure 1-5 The utility model provides a technical solution for a fixture for processing the outer circle of a ceramic bearing ring: a fixture for processing the outer circle of a ceramic bearing ring, comprising a fixture bracket 1, a support block 2 is provided at the upper end of the fixture bracket 1, an automatic clamping component 3 is connected to the outer side of the support block 2, and an outer ring workpiece 4 is sleeved on the outer side of the support block 2;

[0022] Among them, the automatic clamping component 3 includes a clamping plate 31, a moving block 32 is provided on one side of the clamping plate 31, a slider 33 and an inner groove 34 are provided on the outside of the moving block 32, a moving groove 35 and a slide groove 36 are provided inside the support block 2, a top hole 37 is provided inside the clamp bracket 1, an electric push rod 38 is provided at the bottom of the clamp bracket 1, a push head 39 is provided at the output end of the electric push rod 38, a guide groove 311 and a pressure sensor 312 are provided on one side of the moving block 32, and a guide column 310 is provided on one side of the clamping plate 31.

[0023] See also Figure 1-5 The fixture bracket 1 and the support block 2 are fixedly connected, and the outer ring workpiece 4 is clamped at the upper end of the fixture bracket 1 by the automatic clamping component 3, which is conducive to the inner clamping and fixing of the outer ring workpiece 4.

[0024] See also Figure 1-5The number of clamping plates 31 is four and they are distributed in an array. The moving block 32 is connected to the clamping plate 31 through a pressure sensor 312. A fixed connection is formed between the detection end of the pressure sensor 312 and the clamping plate 31. The pressure sensor 312 and the external controller are electrically connected. The moving block 32 and the slider 33 are fixedly connected. The moving block 32 is adapted to the moving groove 35. The number of sliders 33 is twice the number of the moving blocks 32. The slider 33 is adapted to the slide groove 36. The number of the slide groove 36 is equal to the number of the sliders 33, which is conducive to the movement of the moving block 32.

[0025] See also Figure 1-5 The top hole 37 is connected to the movable groove 35, and the top hole 37 is a cylindrical structure. The electric push rod 38 is fixed to the clamp bracket 1 by bolts. The electric push rod 38 is electrically connected to the external controller. The output end of the electric push rod 38 is fixedly connected to the push head 39. The end of the push head 39 is an arc-shaped structure. The guide column 310 is fixedly connected to the clamping plate 31. The number of guide columns 310 is twice the number of clamping plates 31. The number of guide grooves 311 is equal to the number of guide columns 310. The guide grooves 311 are adapted to the guide columns 310, which is conducive to pushing the movable block 32 outward, driving the movable block 32 and the clamping plate 31 to expand outward, so that outer ring workpieces 4 of different sizes can be fixed.

[0026] The working principle of the utility model is as follows: when the clamp is in use, the outer ring workpiece 4 is sleeved on the outside of the automatic clamping component 3 and placed on the upper end of the clamp bracket 1. It is automatically clamped by the automatic clamping component 3, saving time and effort.

[0027] It should be noted that through the setting of the automatic clamping component 3, when clamping the outer ring workpiece 4, the user puts the outer ring workpiece 4 on the outside of the automatic clamping component 3, and starts the electric push rod 38 through the external controller, so that the output end of the electric push rod 38 drives the push head 39 to move upward along the inside of the top hole 37. At the same time, the top hole 37 contacts the inner groove 34 at the tail of the four groups of moving blocks 32, forcing the moving block 32 to move outward along the moving groove 35, and at the same time drives the slider 33 to move along the inside of the slide groove 36, and then drives the clamping plate 31 to squeeze along the inner ring of the outer ring workpiece 4. During the extrusion process, the clamping pressure is detected by the pressure sensor 312, and the guide groove 311 slides along the outside of the guide column 310 until the clamping pressure reaches the set value, and then feedback is sent to the external controller to stop the operation of the output end of the electric push rod 38, and keep the push head 39 in place, thereby automatically clamping the outer ring workpiece 4.

Claims

1. A fixture for machining the outer circle of a ceramic bearing ring, comprising a fixture bracket (1), characterized in that: A support block (2) is provided at the upper end of the clamp bracket (1), an automatic clamping assembly (3) is connected to the outer side of the support block (2), and an outer ring workpiece (4) is sleeved on the outer side of the support block (2); The automatic clamping assembly (3) includes a clamping plate (31), a moving block (32) is provided on one side of the clamping plate (31), a slider (33) and an inner groove (34) are provided on the outer side of the moving block (32), a moving groove (35) and a slide groove (36) are provided inside the support block (2), a top hole (37) is provided inside the clamp bracket (1), an electric push rod (38) is provided at the bottom of the clamp bracket (1), a push head (39) is provided at the output end of the electric push rod (38), a guide groove (311) and a pressure sensor (312) are provided on one side of the moving block (32), and a guide column (310) is provided on one side of the clamping plate (31).

2. A fixture for machining the outer circle of a ceramic bearing ring according to claim 1, characterized in that: The clamp bracket (1) and the support block (2) are fixedly connected, and the outer ring workpiece (4) is clamped at the upper end of the clamp bracket (1) by an automatic clamping component (3).

3. The fixture for machining the outer circle of a ceramic bearing ring according to claim 1, characterized in that: The number of the clamping plates (31) is four and they are distributed in an array. The moving block (32) is connected to the clamping plates (31) via a pressure sensor (312). A fixed connection is formed between the detection end of the pressure sensor (312) and the clamping plates (31). The pressure sensor (312) is electrically connected to an external controller.

4. The fixture for machining the outer circle of a ceramic bearing ring according to claim 1, characterized in that: The moving block (32) and the slider (33) are fixedly connected, the moving block (32) and the moving groove (35) are adapted to each other, the number of the sliders (33) is twice the number of the moving blocks (32), the slider (33) and the slide groove (36) are adapted to each other, and the number of the slide groove (36) is equal to the number of the sliders (33).

5. The fixture for machining the outer circle of a ceramic bearing ring according to claim 1, characterized in that: The top hole (37) is connected to the movable groove (35), and the top hole (37) is a cylindrical structure. The electric push rod (38) is connected and fixed to the clamp bracket (1) by bolts. The electric push rod (38) is electrically connected to the external controller, and the output end of the electric push rod (38) is fixedly connected to the push head (39).

6. The fixture for machining the outer circle of a ceramic bearing ring according to claim 1, characterized in that: The end of the push head (39) is an arc-shaped structure, the guide column (310) and the clamping plate (31) are fixedly connected, the number of the guide columns (310) is twice the number of the clamping plates (31), the number of the guide grooves (311) is equal to the number of the guide columns (310), and the guide grooves (311) and the guide columns (310) are adapted to each other.

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