Fixing clamp for bearing punching

Abstract

The utility model discloses a stationary fixture for bearing punching, which comprises a base, a clamping mechanism and a positioning mechanism, both the clamping mechanism and the positioning mechanism are arranged on the base, and the clamping mechanism comprises three groups of clamping components; the clamping assembly comprises a check block, a guide piece, an abutting piece and a lead screw, the guide piece is arranged on one side of the check block and abuts against the check block, the abutting piece is arranged on the guide piece, and the lead screw penetrates through the check block to be movably connected with the abutting piece and is in threaded connection with the check block; the bearing is arranged between the clamping assemblies, the positioning mechanism is arranged between the two clamping assemblies and located on one side of the bearing, and the positioning mechanism is used for positioning the punching tool; an inner ring or an outer ring of a bearing is fixed through the clamping mechanisms, the distance between the clamping mechanisms is adjustable, the bearing punching device can adapt to bearings with different diameters, the positioning mechanism abuts against the surface of the bearing, the position of a cutter is determined, the positioning mechanism is matched with the clamping mechanisms, the bearing is fixed, and then the cutter is positioned, so that the punching precision is improved, and the punching efficiency is improved. And the processing efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of bearing machining technology, specifically relating to a fixing fixture for drilling holes in bearings. Background Technology

[0002] Bearings are widely used in mechanical equipment and are common workpieces in mechanical transmission. Bearings typically consist of an inner ring and an outer ring, with balls or rollers in between. Some special bearings require holes to be drilled in the inner or outer ring for subsequent installation or to add lubrication bladders. Due to the cylindrical structure of bearings and their high rigidity, drilling holes in their inner or outer rings is quite difficult. After fixing and clamping them, the cutting tool also needs to be positioned to prevent the tool displacement from scratching the surface of the inner or outer ring during drilling. Traditional fixtures are complex in structure, have high manufacturing costs, and cannot position the cutting tool. Utility Model Content

[0003] The purpose of this utility model is to provide a fixing fixture for drilling bearings. By setting a clamping mechanism and a positioning mechanism on the base, the clamping mechanism fixes the inner or outer ring of the bearing. The spacing between the three sets of clamping components in the clamping mechanism is adjustable to accommodate bearings of different diameters. The positioning mechanism abuts against the bearing surface to determine the position of the cutting tool on the bearing surface. Through the cooperation of the positioning mechanism and the clamping mechanism, the bearing is fixed and the cutting tool is positioned, thereby improving the drilling accuracy and processing efficiency.

[0004] This utility model is achieved through the following technical solution:

[0005] A bearing drilling fixture includes a base, a clamping mechanism, and a positioning mechanism. Both the clamping mechanism and the positioning mechanism are mounted on the base. The clamping mechanism includes three sets of clamping components spaced apart, with the clamping components having the same included angle. Each clamping component includes a stop, a guide, an abutment, and a lead screw. The guide is positioned on one side of the stop and abuts against the stop. The abutment is mounted on the guide. The lead screw passes through the stop and is movably connected to the abutment. The lead screw is threadedly connected to the stop. A gripping portion is provided on the lead screw. The bearing is positioned between the clamping components. The positioning mechanism is positioned between two sets of clamping components and located on one side of the bearing. The positioning mechanism is used to position the drilling tool.

[0006] Furthermore, the guide member is provided with a guide groove, and the abutment member is disposed in the guide groove and slides in cooperation with the guide member.

[0007] Furthermore, a scale is provided on one side of the guide groove on the guide member.

[0008] Furthermore, the end of the guide member is provided with an abutment surface, which is a protruding curved surface structure.

[0009] Furthermore, the positioning mechanism includes a positioning block, a support member, a sliding member, and a threaded rod. The support member abuts against the positioning block, the sliding member is disposed on the support member, and the sliding member is provided with a tool hole. The threaded rod passes through the positioning block and is movably connected to the sliding member. The threaded rod is threadedly connected to the positioning block, and a rotating part is provided at the end of the threaded rod.

[0010] Furthermore, the support member is provided with a sliding groove, and the sliding member is disposed in the sliding groove.

[0011] Furthermore, the sliding member is provided with an abutment portion, the tool hole is located at the abutment portion, and the abutment portion abuts against the bearing.

[0012] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0013] In this invention, a clamping mechanism and a positioning mechanism are set on the base. The clamping mechanism fixes the inner or outer ring of the bearing. The spacing between the three clamping components in the clamping mechanism is adjustable to accommodate bearings of different diameters. The positioning mechanism abuts against the bearing surface to determine the position of the cutting tool on the bearing surface. By cooperating with the clamping mechanism, the bearing is fixed and the cutting tool is positioned, thereby improving the drilling accuracy and processing efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a front view schematic diagram of the bearing drilling fixing fixture of this utility model.

[0016] Figure 2 This is a top view of the bearing drilling fixture of this utility model.

[0017] Figure 3 This is a cross-sectional view of the assembly structure of the lead screw and the abutment component in this utility model.

[0018] Figure 4 This is a schematic diagram of the sliding component in this utility model.

[0019] Figure 5 This is a cross-sectional view of the assembly structure of the sliding component and the threaded rod in this utility model.

[0020] Wherein: 1-base, 2-clamping assembly, 21-stop block, 22-abutting part, 221-abutting surface, 222-connecting part, 23-lead screw, 24-guide part, 241-guide groove, 3-positioning mechanism, 31-positioning block, 32-supporting part, 321-sliding groove, 33-threaded rod, 34-sliding part, 341-tool hole, 342-abutting part, 343-mounting groove. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0022] Example 1:

[0023] A type of fixing fixture for drilling bearings, such as Figure 1 , Figure 2 and Figure 3As shown, the device includes a base 1, a clamping mechanism, and a positioning mechanism 3. Both the clamping mechanism and the positioning mechanism 3 are mounted on the base 1, which has a rectangular structure. The clamping mechanism includes three sets of clamping components 2, spaced apart and with the same included angle between them. The included angle between the three clamping components 2 is 120°, and the three clamping components 2 are arranged in an enclosing manner. The bearing ring of the bearing is fixed between the clamping components 2. Each clamping component 2 includes a stop 21 and a guide 24. The abutment member 22 and the lead screw 23 are provided. The guide member 24 is disposed on one side of the stop block 21 and abuts against the stop block 21. Both the guide member 24 and the stop block 21 are welded to the base 1. The abutment member 22 is disposed on the guide member 24 and is slidably connected to the guide member 24. The lead screw 23 passes through the stop block 21 and is movably connected to the abutment member 22. The lead screw 23 is threadedly connected to the stop block 21. The abutment member 22 is provided with a connecting part 222. The end of the lead screw 23 is provided with a flange. The end of the lead screw 23 is embedded in the connecting part 222 and abuts against the stop block 21. The connecting part 222 is rotatably connected; a gripping part is provided at the other end of the lead screw 23, and the lead screw 23 can be rotated by the gripping part to drive the abutment 22 to move back and forth to fix the bearing ring; the bearing is set between the clamping components 2, and the positioning mechanism 3 is set between the two sets of clamping components 2 and located on one side of the bearing. The positioning mechanism 3 is used to position the drilling tool; a guide groove 241 is provided on the guide member 24, and the abutment 22 is set in the guide groove 241 and slides with the guide member 24. The guide member 24 limits the abutment 22 to prevent the abutment 22 from deviating at an angle when sliding; a scale is provided on the guide member 24 on one side of the guide groove 241. The movement distance of the abutment 22 can be judged by the scale, thereby ensuring that the movement range of the three abutment 22 is the same, so that the bearing ring is kept at the geometric center position of the base 1 to improve the drilling accuracy; an abutment surface 221 is provided at the end of the guide member 24. The abutment surface 221 is a protruding curved structure. The abutment surface 221 abuts with the surface of the bearing ring to fix the bearing ring.

[0024] Example 2:

[0025] This embodiment further defines the positioning mechanism 3 based on the above embodiment, such as... Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the positioning mechanism 3 includes a positioning block 31, a support member 32, a sliding member 34, and a threaded rod 33. The support member 32 abuts against the positioning block 31, and both the support member 32 and the positioning block 31 are welded to the base 1. The sliding member 34 is mounted on the support member 32 and slidably connected to the support member 32. The sliding member 34 has a tool hole 341. The threaded rod 33 passes through the positioning block 31 and is movably connected to the sliding member 34. A limiting part is provided at the end of the threaded rod 33. An installation groove 343 is provided at the bottom of the sliding member 34. The limiting part is located in the installation groove 343, and the installation groove 343 limits the limiting part, preventing the threaded rod 33 from separating from one side of the sliding member 34. The threaded rod 33 is threadedly connected to the positioning block 31. The threaded rod 33 has a rotating part at its end. Holding the rotating part allows the threaded rod 33 to rotate, thereby driving the sliding member 34 to slide on the support member 32. The support member 32 has a groove 321, in which the sliding member 34 is disposed. The groove 321 guides and limits the sliding member 34. The sliding member 34 has an abutment part 342, which protrudes from the sliding member 34. The height of the abutment part 342 is greater than the height of the positioning block 31, thereby preventing the positioning block 31 from interfering with the tool. The tool hole 341 is located at the position of the abutment part 342, which abuts against the bearing. The drilling tool can be inserted through the tool hole 341 to drill holes in the bearing ring, thereby improving the drilling accuracy. The other parts of this embodiment are the same as those in the above embodiment, and will not be described again here.

[0026] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" used to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to 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.

[0027] Furthermore, the use of terms such as "horizontal" or "vertical" in the description of this utility model does not imply that the component is required to be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of 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.

[0029] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A bearing hole drilling fixing jig characterized by, The utility model provides a puncher, including base, clamping mechanism and positioning mechanism, clamping mechanism and positioning mechanism all are arranged on base, clamping mechanism includes three groups of clamping components, three groups of clamping components are arranged at intervals, and the included angle between clamping components is same, clamping component includes stopper, guide, abutment piece and screw rod, guide is arranged in one side of stopper and is in abutment with stopper, abutment piece is arranged on guide, screw rod passes through stopper and is movably connected with abutment piece, and screw rod is in screw connection with stopper, gripping portion is arranged on screw rod, bearing is arranged between clamping components, positioning mechanism is arranged between two groups of clamping components and is located in one side of bearing, and positioning mechanism is used for positioning punch tool.

2. The fixing jig for bearing hole punching according to claim 1, wherein The guide is provided with a guide groove, and the abutment piece is arranged in the guide groove and in sliding fit with the guide.

3. The fixing jig for bearing punching according to claim 2, wherein The guide is provided with a scale on one side of the guide groove.

4. The fixing jig for bearing hole punching according to claim 1, wherein The guide is provided with an abutment surface at the end, and the abutment surface is a convex curved surface structure.

5. The bearing punching fixture according to claim 1, wherein The positioning mechanism includes a positioning block, a support, a sliding member, and a threaded rod. The support is in abutment with the positioning block. The sliding member is arranged on the support. The sliding member is provided with a tool hole. The threaded rod is movably connected with the sliding member through the positioning block. The threaded rod is in screw connection with the positioning block. The threaded rod is provided with a rotating portion at the end.

6. The bearing punching fixture according to claim 5, wherein The support is provided with a sliding groove, and the sliding member is arranged in the sliding groove.

7. The bearing punching fixture according to claim 5, wherein The sliding member is provided with an abutment portion, and the tool hole is arranged at the position of the abutment portion. The abutment portion is in abutment with the bearing.

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