Clamp for bearing seat drilling

Abstract

The utility model relates to a fixture for drilling a bearing seat, which comprises a mounting plate, a plurality of positioning columns are fixedly connected to the upper end of the mounting plate, a plurality of first guide holes which are arranged on the mounting plate and used for allowing a drill bit to penetrate through are arranged on the outer sides of the positioning columns, a positioning plate is arranged at the upper end of the mounting plate, positioning holes are arranged on the positioning plate, and the positioning columns are slidably connected to the inner sides of the positioning holes. The left end and the right end of the mounting plate are fixedly connected with fixing blocks, the left end and the right end of the positioning plate are fixedly connected with connecting blocks, the lower ends of the connecting blocks are fixedly connected with sliding blocks, the upper ends of the fixing blocks are provided with sliding grooves, and the sliding blocks are connected to the inner sides of the sliding grooves in a sliding mode. The first positioning pin is connected to the fixing block in a sliding mode and connected to the sliding block in a sliding mode, a mounting hole and a counter bore of the bearing pedestal can be machined through one-time clamping, precision is high, and machining efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing seat processing, in particular to a clamp for drilling a bearing seat. Background Art

[0002] The utility model patent with application number: CN202222896838.6 discloses a bearing seat mounting hole processing fixture, including a base and a clamping assembly for clamping the bearing seat, the base is penetrated with a plurality of through holes for the drill bit to pass through, one side of the base is protruded outwardly with two positioning columns for positioning the bearing seat, wherein the two positioning columns are arranged at intervals, and the positioning columns are adapted to the inner hole of the bearing seat; the clamping assembly includes a clamping block and a clamping bolt, one end of the clamping bolt passes through the through hole of the clamping block and is threadedly matched with the threaded hole on the base, so that the two ends of the clamping block are respectively pressed inwardly to the corresponding bearing seats sleeved on the two positioning columns. The base of the above technical solution is penetrated with a plurality of through holes for the drill bit to pass through, and the drill bit of the milling machine is passed through the through holes to process the mounting hole of the bearing seat in the base to achieve precise processing of the mounting hole, thereby improving the accuracy of the bearing seat mounting hole. The bearing seat is usually provided with a countersunk hole. The above technical solution requires clamping a bearing seat twice to complete the processing of the mounting hole and the countersunk hole. However, clamping twice will affect the accuracy between the countersunk hole and the mounting hole. Utility Model Content

[0003] The utility model aims to solve the problems existing in the prior art and provides a bearing seat drilling fixture, which can process the mounting hole and the countersunk hole of the bearing seat in one clamping, with high precision and high processing efficiency.

[0004] The utility model adopts a technical solution to solve its technical problems: this bearing seat drilling fixture comprises a mounting plate, a plurality of positioning columns are fixedly connected to the upper end of the mounting plate, a plurality of first guide holes are provided on the outer side of the positioning columns and are opened on the mounting plate for the drill bits to pass through, the upper end of the mounting plate is provided with a positioning plate, the positioning plate is provided with a positioning hole, the positioning column is slidably connected to the inner side of the positioning hole, the positioning plate is provided with a second guide hole corresponding to the first guide hole, the left and right ends of the mounting plate are fixedly connected to fixing blocks, the left and right ends of the positioning plate are fixedly connected to connecting blocks, the lower ends of the connecting blocks are fixedly connected to sliding blocks, the upper ends of the fixing blocks are provided with sliding grooves, the sliding blocks are slidably connected to the inner sides of the sliding grooves, the fixing blocks are slidably connected to the first positioning pins, the first positioning pins are slidably connected to the sliding blocks, and the fixing blocks are fixedly connected to the end away from the mounting plate. A connecting plate is connected, and a rotating shaft is fixedly connected to the connecting plate. Support frames are provided at the left and right ends of the mounting plate. The rotating shaft is rotatably connected to the support frame, and the bearing seat is slid into the outer side of the positioning column, and the slider is slid into the inner side of the slide groove. The slider and the fixed block are connected together through the first positioning pin. At this time, the positioning column is located on the inner side of the positioning hole, and the drill bit of the milling machine is passed through the second guide hole to process the mounting hole or countersunk hole of the bearing seat. After the processing is completed, the rotating shaft is rotated, and the rotating shaft drives the fixed block to rotate through the connecting plate, and the fixed block drives the slider and the mounting plate to rotate. The slider drives the positioning plate to rotate, so that the upper and lower positions of the positioning plate and the mounting plate are reversed, and the drill bit of the milling machine is passed through the first guide hole to process the countersunk hole or the mounting hole of the bearing seat. The mounting hole and the countersunk hole of the bearing seat can be processed by one clamping, with high precision and high processing efficiency.

[0005] For further improvement, a second positioning pin is slidably connected to the rotating shaft, and the second positioning pin is slidably connected to the support frame. The second positioning pin can position the rotation angle of the rotating shaft to ensure that the rotating shaft rotates 180 degrees.

[0006] For further improvement, the front end of the first positioning pin is fixedly connected with a screw rod, and the outer side of the screw rod is threadedly connected with a nut, so that the connection effect between the sliding block and the fixed block is better.

[0007] For further improvement, a turntable is fixedly connected to the rotating shaft at the left end, and a rotating rod is fixedly connected to the turntable, so that rotating the rotating shaft is more convenient.

[0008] For further improvement, the rotating rod passes through the turntable and is fixedly connected to the connecting plate, a limiting groove is opened on the support frame at the left end, and the rotating rod is slidably connected to the inner side of the limiting groove. The limiting groove can limit the rotation angle of the rotating rod, making the installation of the second positioning pin more convenient.

[0009] As a further improvement, a handle is fixedly connected to the upper end of the connecting block, making it more convenient to disassemble and assemble the positioning plate.

[0010] To further improve, a support plate is provided at the lower end of the mounting plate, a guide shaft is fixedly connected to the lower end of the support plate, a fixed plate is fixedly connected to the support frame, the guide shaft is slidably connected to the fixed plate, a spring is installed on the outer side of the guide shaft, the spring is located between the fixed plate and the support plate, the support plate can support the mounting plate and the positioning plate, the spring can play a shock-absorbing role, so that the drilling effect of the bearing seat is better, the drilling accuracy is better, and the support plate can position the positioning plate and the mounting plate to ensure that the mounting plate and the positioning plate are level.

[0011] For further improvement, a handle is fixedly connected to the lower end of the guide shaft, making it more convenient to pull the support plate.

[0012] The beneficial effects of the utility model are as follows: the bearing seat is slid into the outer side of the positioning column, the sliding block is slid into the inner side of the sliding groove, and the sliding block and the fixing block are connected together through the first positioning pin. At this time, the positioning column is located on the inner side of the positioning hole, and the drill bit of the milling machine is passed through the second guide hole to process the mounting hole or the countersunk hole of the bearing seat. After the processing is completed, the rotating shaft is rotated, and the rotating shaft drives the fixing block to rotate through the connecting plate, and the fixing block drives the sliding block and the mounting plate to rotate. The sliding block drives the positioning plate to rotate, so that the upper and lower positions of the positioning plate and the mounting plate are reversed, and the drill bit of the milling machine is passed through the first guide hole to process the countersunk hole or the mounting hole of the bearing seat. The mounting hole and the countersunk hole of the bearing seat can be processed by one clamping, with high precision and high processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the mounting plate of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the positioning plate of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the connecting plate of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the support frame of the utility model.

[0018] Explanation of the accompanying drawings: 1. support frame; 11. mounting plate; 111. positioning column; 112. first guide hole; 113. fixing block; 114. slide groove; 12. positioning plate; 121. positioning hole; 122. second guide hole; 123. connecting block; 124. slider; 125. handle; 13. first positioning pin; 131. screw rod; 14. nut; 15. connecting plate; 151. rotating shaft; 152. turntable; 153. rotating rod; 16. limiting groove; 17. second positioning pin; 18. support plate; 181. guide shaft; 182. handle; 183. spring; 19. fixing plate. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-5 The utility model is further described as follows:

[0020] like Figure 1-Figure 3 As shown: In this embodiment, a bearing seat drilling fixture includes a mounting plate 11, a plurality of positioning columns 111 are fixedly connected to the upper end of the mounting plate 11, a plurality of first guide holes 112 are provided on the outer side of the positioning columns 111, a positioning plate 12 is provided on the upper end of the mounting plate 11, a positioning hole 121 is provided on the positioning plate 12, the positioning column 111 is slidably connected to the inner side of the positioning hole 121, and a second guide hole 122 corresponding to the first guide hole 112 is provided on the positioning plate 12, and the left and right sides of the mounting plate 11 are provided with a plurality of first guide holes 112. Both ends are fixedly connected with fixed blocks 113, the left and right ends of the positioning plate 12 are fixedly connected with connecting blocks 123, the lower ends of the connecting blocks 123 are fixedly connected with sliders 124, the upper ends of the fixed blocks 113 are provided with slide grooves 114, the sliders 124 are slidably connected to the inner sides of the slide grooves 114, the fixed blocks 113 are slidably connected with the first positioning pin 13, the first positioning pin 13 is slidably connected to the sliders 124, the front end of the first positioning pin 13 is fixedly connected with a screw rod 131, and the outer side of the screw rod 131 is threadedly connected with a nut 14.

[0021] like Figure 1 and Figure 4 As shown: the fixed block 113 is fixedly connected to the connecting plate 15 at one end away from the mounting plate 11, and the connecting plate 15 is fixedly connected to a rotating shaft 151. Support frames 1 are provided at both ends of the mounting plate 11. The rotating shaft 151 is rotatably connected to the support frame 1, and a second positioning pin 17 is slidably connected to the rotating shaft 151. The second positioning pin 17 is slidably connected to the support frame 1. A turntable 152 is fixedly connected to the rotating shaft 151 at the left end, and a rotating rod 153 is fixedly connected to the turntable 152. The rotating rod 153 passes through the turntable 152 and is fixedly connected to the connecting plate 15. A limiting groove 16 is opened on the support frame 1 at the left end, and the rotating rod 153 is slidably connected to the inner side of the limiting groove 16.

[0022] like Figure 1 and Figure 5 As shown: a support plate 18 is provided at the lower end of the mounting plate 11, a guide shaft 181 is fixedly connected to the lower end of the support plate 18, a fixing plate 19 is fixedly connected to the support frame 1, the guide shaft 181 is slidably connected to the fixing plate 19, a spring 183 is installed on the outer side of the guide shaft 181, the spring 183 is located between the fixing plate 19 and the support plate 18, and a handle 182 is fixedly connected to the lower end of the guide shaft 181.

[0023] When the utility model is in use: the bearing seat is slid into the outer side of the positioning column 111, the sliding block 124 is slid into the inner side of the sliding groove 114, and the sliding block 124 and the fixing block 113 are connected together through the first positioning pin 13. At this time, the positioning column 111 is located on the inner side of the positioning hole 121, and the drill bit of the milling machine is passed through the second guide hole 122 to process the mounting hole or the countersunk hole of the bearing seat. After the processing is completed, the fixing block 113 is rotated, and the fixing block 113 drives the sliding block 124 and the mounting plate 11 to rotate, and the sliding block 124 drives the positioning plate 12 to rotate, so that the upper and lower positions of the positioning plate 12 and the mounting plate 11 are reversed, and the drill bit of the milling machine is passed through the first guide hole 112 to process the countersunk hole or the mounting hole of the bearing seat. The mounting hole and the countersunk hole of the bearing seat can be processed by clamping once, with high precision and high processing efficiency.

[0024] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A bearing seat drilling fixture, comprising a mounting plate (11), a plurality of positioning columns (111) being fixedly connected to the upper end of the mounting plate (11), a first guide hole (112) for a drill to pass through being provided on the outer side of the positioning column (111), and being opened on the mounting plate (11), wherein: The mounting plate (11) has a positioning plate (12) at the upper end thereof, a positioning hole (121) formed on the positioning plate (12), a positioning column (111) being slidably connected to the inner side of the positioning hole (121), a second guide hole (122) corresponding to the first guide hole (112) formed on the positioning plate (12), a fixing block (113) being fixedly connected to both left and right ends of the mounting plate (11), a connecting block (123) being fixedly connected to both left and right ends of the positioning plate (12), a sliding block (124) being fixedly connected to the lower end of the connecting block (123), and the fixing block (113) being fixedly connected to both left and right ends of the positioning plate (12). A slide groove (114) is formed at the upper end of each of the fixing blocks (113), a slide block (124) is slidably connected to the inner side of the slide groove (114), a first positioning pin (13) is slidably connected to the fixing block (113), the first positioning pin (13) is slidably connected to the slide block (124), a connecting plate (15) is fixedly connected to one end of the fixing block (113) away from the mounting plate (11), a rotating shaft (151) is fixedly connected to the connecting plate (15), a support frame (1) is provided at both left and right ends of the mounting plate (11), and the rotating shaft (151) is rotatably connected to the support frame (1).

2. A bearing seat drilling fixture according to claim 1, characterized in that: A second positioning pin (17) is slidably connected to the rotating shaft (151), and the second positioning pin (17) is slidably connected to the support frame (1).

3. The bearing seat drilling fixture according to claim 1 is characterized in that: The front end of the first positioning pin (13) is fixedly connected to a screw rod (131), and the outer side of the screw rod (131) is threadedly connected to a nut (14).

4. The bearing seat drilling fixture according to claim 1, characterized in that: A rotating disk (152) is fixedly connected to the rotating shaft (151) at the left end, and a rotating rod (153) is fixedly connected to the rotating disk (152).

5. A bearing seat drilling fixture according to claim 4, characterized in that: The rotating rod (153) passes through the rotating disk (152) and is fixedly connected to the connecting plate (15). A limiting groove (16) is provided on the left end of the supporting frame (1), and the rotating rod (153) is slidably connected to the inner side of the limiting groove (16).

6. The bearing seat drilling fixture according to claim 1, characterized in that: A handle (125) is fixedly connected to the connection block (123).

7. The bearing seat drilling fixture according to claim 1, characterized in that: A support plate (18) is provided at the lower end of the mounting plate (11), a guide shaft (181) is fixedly connected to the lower end of the support plate (18), a fixing plate (19) is fixedly connected to the support frame (1), the guide shaft (181) is slidably connected to the fixing plate (19), a spring (183) is installed on the outer side of the guide shaft (181), and the spring (183) is located between the fixing plate (19) and the support plate (18).

8. The bearing seat drilling fixture according to claim 7, characterized in that: The lower end of the guide shaft (181) is fixedly connected to a handle (182).

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