Bearing inner wall oil injection orifice chamfering device
By driving the chamfering drill bit to rotate through a hydraulic rod and a rotating mechanism, the problem of the chamfering drill bit being difficult to insert into the oil injection hole on the inner wall of the bearing is solved, and a uniform chamfer is achieved in the oil injection hole on the inner wall of the bearing, ensuring the normal operation of the lubrication system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-03-24
AI Technical Summary
The existing chamfered drill bit for the oil injection hole on the inner wall of the bearing is difficult to insert and fit into the curved surface, resulting in uneven cutting and affecting the normal use of the oil injection hole.
A hydraulic rod is used to drive the support block and connecting rod to slide, and a rotating mechanism is used to drive the chamfering drill bit to rotate. The bearing oil injection hole is chamfered through a guide mechanism.
This technology enables the chamfered drill bit to effectively penetrate the inner wall of the bearing, ensuring the machining quality of the oil injection hole, preventing uneven cutting, and guaranteeing the normal operation of the lubrication system.
Smart Images
Figure CN224026627U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a chamfering device, concretely is bearing inner wall oil injection hole chamfering device, belongs to bearing oil injection hole chamfering technical field. BACKGROUND
[0002] Bearing is an important spare part in contemporary mechanical equipment. Its main function is to support the mechanical rotary body, reduce the friction coefficient in its movement process, and ensure its rotation accuracy. The oil injection hole of the inner wall of the bearing is the key channel of the lubrication system.
[0003] However, the existing bearing inner diameter is small, the chamfering drill bit is difficult to extend into the inner wall of the bearing due to size or length limitation, and the inner wall of the bearing is an arc surface, so the chamfering drill bit is not easy to adhere to the inner wall, which may cause uneven cutting and affect the normal use of the oil injection hole. UTILITY MODEL CONTENTS
[0004] The utility model discloses a bearing inner wall oil injection hole chamfering device, when the bearing oil injection hole is located at the bottom of the chamfering drill bit, the hydraulic rod can drive the support block and the connecting rod to slide to the direction close to the bearing interior, the rotating mechanism drives the rotating rod to drive the chamfering drill bit to rotate, so that the chamfering drill bit can process the burrs of the bearing oil injection hole part.
[0005] The utility model discloses a bearing inner wall oil injection hole chamfering device through the following technical scheme, including hydraulic rod, the end of hydraulic rod is fixed with chamfering mechanism, the chamfering mechanism includes support block and connecting rod, the telescopic end of hydraulic rod is fixedly connected with support block, two plug blocks are fixedly connected on the support block, the support block is fixedly connected with connecting rod through bolt, the plug block and connecting rod are clamped and are connected, the rotating rod is rotatably installed on the connecting rod, the bottom end of rotating rod is fixedly connected with chamfering drill bit, the rotating mechanism is installed on the connecting rod, the bottom end of chamfering drill bit is equipped with guide mechanism, the bottom plate is fixed on the guide mechanism.
[0006] Preferably, the chamfering mechanism further includes a slot, the end of the connecting rod close to the support block is symmetrically provided with two slots, the plug block is clamped and installed in the slot, and the part of the connecting rod in contact with the plug block is provided in a slope structure.
[0007] Preferably, the rotating mechanism includes a fixed ring and a protective cover, the bottom end of the connecting rod close to the support block is fixedly connected with the fixed ring, the fixed ring is threadedly connected with the protective cover, the motor is fixedly installed on the connecting rod, the output end of the motor is fixedly connected with the rotating shaft through the shaft coupling, the rotating shaft and the rotating rod are both fixedly connected with the guide wheel, and the belts are wound on the two guide wheels.
[0008] Preferably, the inner diameter of the protective cover is equal to the diameter of the fixing ring, and the motor is located inside the protective cover.
[0009] Preferably, the rotating shaft and the guide wheel are rotatably connected to the connecting rod, and the guide wheel is arranged in an "I" shape.
[0010] Preferably, the guiding mechanism includes a fixed seat and a locking block. The bottom end of the chamfered drill bit is provided with a fixed seat, and a locking block is fixedly installed inside the fixed seat. Two sets of brackets are symmetrically fixed on the locking block, and a guide rod is rotatably connected to the bracket.
[0011] Preferably, the chamfered drill bit is located at the middle part of the top of the two guide rods, and the diameter of the guide rods is greater than the width of the bracket.
[0012] Preferably, the bottom end of the fixing base is fixedly connected to a base plate, and the base plate is provided with a plurality of through holes at equal intervals.
[0013] The beneficial effects of this utility model are as follows: Before chamfering the bearing oil injection hole, the bearing is placed on the guide mechanism. At this time, the chamfering drill bit is located directly above the bearing oil injection hole. After turning on the control switch of the hydraulic rod, its telescopic end can drive the support block to move down. The support block is fixedly connected to the connecting rod by bolts. When the support block moves, the connecting rod can drive the chamfering drill bit to the oil injection hole. When the rotating mechanism inside the connecting rod rotates, it can drive the rotating rod to rotate, thereby causing the chamfering drill bit fixed on the rotating rod to chamfer the bearing oil injection hole when rotating. This helps to prevent the chamfering drill bit from being unable to reach into the bearing to process the oil injection hole. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the connection structure of the base plate and the fixing seat of this utility model;
[0016] Figure 3 This is a schematic diagram of the connection structure of the connecting rod and the insert block of this utility model;
[0017] Figure 4 This is a schematic diagram of the connection structure of the connecting rod and the motor of this utility model;
[0018] Figure 5 for Figure 4 The diagram shows an enlarged view of part A.
[0019] Figure 6 This is a schematic diagram of the connection structure of the rotating rod and guide wheel of this utility model.
[0020] In the figure: 1, the base plate; 2, the guide mechanism; 201, the fixed seat; 202, the clamping block; 203, the support; 204, the guide rod; 3, the hydraulic rod; 4, the chamfering mechanism; 401, the support block; 402, the connecting rod; 403, the rotating rod; 404, the chamfering drill bit; 405, the plug; 406, the slot; 5, the rotating mechanism; 501, the fixed ring; 502, the protective cover; 503, the motor; 504, the rotating shaft; 505, the guide wheel; 506, the belt. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-6 As shown in the figure, the bearing inner wall oil injection orifice chamfering device, including the hydraulic rod 3, the end of the hydraulic rod 3 is fixed with chamfering mechanism 4, the chamfering mechanism 4 includes support block 401 and connecting rod 402, the telescopic end of the hydraulic rod 3 is fixedly connected with support block 401, the support block 401 is fixedly connected with connecting rod 402 through bolt, the end of the connecting rod 402 is provided with two symmetrical slots 406, the plug 405 is installed in the slot 406, the plug 405 is connected with the connecting rod 402, when installing the connecting rod 402, its two sides are clamped together with the plug 405, and then the bottom end is located in the inside of the support block 401, the support block 401 and the connecting rod 402 can be fixed together through bolt; the rotating rod 403 is rotatably installed on the connecting rod 402, the bottom end of the rotating rod 403 is fixedly connected with the chamfering drill bit 404, when the chamfering drill bit 404 is located at the oil hole, chamfering can be carried out on the oil injection orifice by rotating; the rotating mechanism 5 is installed on the connecting rod 402, the bottom end of the chamfering drill bit 404 is provided with the guide mechanism 2, the guide mechanism 2 is fixed with the base plate 1.
[0023] As a technical optimization scheme of the utility model, the rotating mechanism 5 includes fixed ring 501 and protective cover 502, the connecting rod 402 is close to the bottom end fixed connection of support block 401 has fixed ring 501, the fixed ring 501 is screw-threaded connection and has protective cover 502, rotates protective cover 502, can make motor 503 is in open state, further can pass through protective cover 502 and protects motor 503;The connecting rod 402 is fixedly installed with motor 503, the motor 503 is located in the inside of protective cover 502, the output of motor 503 is fixedly connected with rotating shaft 504 through shaft coupling, motor 503 starts, rotating shaft 504 rotates in the inside of connecting rod 402, further makes rotating shaft 504 drive a guide wheel 505 rotation;Rotating shaft 504 and rotating rod 403 all are fixedly connected with guide wheel 505, the rotating shaft 504, guide wheel 505 all are rotationally connected between connecting rod 402, the guide wheel 505 is arranged in the shape of 'G' structure, two guide wheels 505 all are wound with belt 506, and the guide wheel 505 on rotating shaft 504 drives belt 506 rotation, makes belt 506 drive the rotation of another guide wheel 505 fixed on rotating rod 403, further makes rotating rod 403 drive chamfered drill bit 404 rotation.
[0024] As a technical optimization scheme of the utility model, the guide mechanism 2 includes fixed seat 201 and clamping block 202, the bottom end of chamfered drill bit 404 is equipped with fixed seat 201, clamping block 202 is fixedly installed in fixed seat 201, two groups of supports 203 are fixedly connected on clamping block 202, the support 203 is rotationally connected with guide rod 204, bearing is placed to two guide rods 204, two guide rods 204 support bearing, prevent bearing displacement during chamfering, also be favorable to rotate other oil injection hole to the just below chamfered drill bit 404; The bottom end of fixed seat 201 is fixedly connected with bottom plate 1, and the bottom plate 1 supports the fixed seat 201, so that the equipment can be fixed on the bottom plate 1.
[0025] The utility model discloses a bearing oil injection hole chamfering device, including support 203, bearing, guiding rod 204, hydraulic rod 3, support block 401, connecting rod 402, motor 503, shaft 504, guiding wheel 505, belt 506 and chamfering drill bit 404, the support 203 is fixed on the ground, the bearing is fixed on the support 203, the two guiding rods 204 are fixed on the support 203, the hydraulic rod 3 is fixed on the support 203, the support block 401 is fixed on the hydraulic rod 3, the connecting rod 402 is fixed on the support block 401, the motor 503 is fixed on the connecting rod 402, the shaft 504 is fixed on the motor 503, the guiding wheel 505 is fixed on the shaft 504, the belt 506 is fixed on the connecting rod 402, and the chamfering drill bit 404 is fixed on the connecting rod 402.
[0026] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.
[0027] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every implementation embodies an independent technical solution, and the present specification is described in this way only for the sake of clarity, and those skilled in the art should understand the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A chamfering device for the oil injection hole on the inner wall of a bearing, comprising a hydraulic rod (3), characterized in that: The end of the hydraulic rod (3) is fixed with a chamfering mechanism (4). The chamfering mechanism (4) includes a support block (401) and a connecting rod (402). The extension end of the hydraulic rod (3) is fixedly connected to the support block (401). Two inserts (405) are fixedly connected to the support block (401). The support block (401) is fixedly connected to the connecting rod (402) by bolts. The inserts (405) are engaged with the connecting rod (402). A rotating rod (403) is rotatably installed on the connecting rod (402). A chamfering drill bit (404) is fixedly connected to the bottom end of the rotating rod (403). A rotating mechanism (5) is installed on the connecting rod (402). A guide mechanism (2) is provided at the bottom end of the chamfering drill bit (404). A base plate (1) is fixed on the guide mechanism (2).
2. The bearing inner wall oil injection hole chamfering device according to claim 1, characterized in that: The chamfering mechanism (4) also includes slots (406). Two slots (406) are symmetrically provided at the end of the connecting rod (402) near the support block (401). Inserts (405) are engaged in the slots (406). The part of the connecting rod (402) that contacts the inserts (405) is set with an inclined structure.
3. The bearing inner wall oil injection hole chamfering device according to claim 1, characterized in that: The rotating mechanism (5) includes a fixed ring (501) and a protective cover (502). The fixed ring (501) is fixedly connected to the bottom end of the connecting rod (402) near the support block (401). The protective cover (502) is threaded onto the fixed ring (501). A motor (503) is fixedly installed on the connecting rod (402). The output end of the motor (503) is fixedly connected to a rotating shaft (504) through a coupling. Guide wheels (505) are fixedly connected to both the rotating shaft (504) and the rotating rod (403). A belt (506) is wound around both guide wheels (505).
4. The bearing inner wall oil injection hole chamfering device according to claim 3, characterized in that: The inner diameter of the protective cover (502) is equal to the diameter of the fixing ring (501), and the motor (503) is located inside the protective cover (502).
5. The bearing inner wall oil injection hole chamfering device according to claim 3, characterized in that: The rotating shaft (504) and the guide wheel (505) are rotatably connected to the connecting rod (402), and the guide wheel (505) is arranged in an "I" shape.
6. The bearing inner wall oil injection hole chamfering device according to claim 1, characterized in that: The guiding mechanism (2) includes a fixed seat (201) and a locking block (202). The bottom end of the chamfered drill bit (404) is provided with a fixed seat (201). The locking block (202) is fixedly installed inside the fixed seat (201). Two sets of brackets (203) are symmetrically fixed on the locking block (202). A guide rod (204) is rotatably connected to the bracket (203).
7. The bearing inner wall oil injection hole chamfering device according to claim 6, characterized in that: The chamfered drill bit (404) is located at the middle of the top of the two guide rods (204), and the diameter of the guide rods (204) is greater than the width of the bracket (203).
8. The bearing inner wall oil injection hole chamfering device according to claim 7, characterized in that: The bottom end of the fixed base (201) is fixedly connected to a base plate (1), and the base plate (1) is provided with several through holes at equal intervals.