Bush trimming jig for small grinding machine

Abstract

The utility model discloses a bushing trimming jig for a small grinding machine, which belongs to the technical field of bushing trimming jigs, and comprises a driving base on which a rotating seat is rotatably mounted and which is used for driving the rotating seat to rotate, and a bushing fixing piece which is fixedly arranged on the rotating seat and is internally provided with a locking wedge in a sliding manner, and an adjusting screw rod in threaded connection penetrates through the axis of the rotating seat. According to the technical scheme, a locking wedge is pulled down through an adjusting screw rod, so that the locking wedge slides downwards to extrude a lining fixing piece to expand outwards, the lining fixing piece is tightly attached to the inner wall of the lining, a remarkable friction effect is generated, therefore, the lining is fixedly installed, then a base is driven to drive a rotating base to rotate, and then the lining is driven to rotate. The jig is simple in structure and small in size, can be well matched with a small grinding machine, and does not occupy too much space of a machining environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to bushing edge shaving jig technical field, specifically a bushing edge shaving jig for small grinding machine. BACKGROUND

[0002] The bushing is usually used in mechanical parts to reduce wear, protect other parts, and play a sealing and damping role. The bushing grinding refers to the grinding process of the bushing mechanical part. The grinding of the bushing is usually completed by a small grinding machine, and its working principle is based on the grinding effect of the grinding wheel on the workpiece. In the grinding process, the grinding wheel rotates and moves along the guide rail, so that the workpiece is ground on the workbench. By adjusting the grinding parameters such as grinding wheel speed and feed rate, the grinding effect and workpiece quality can be controlled.

[0003] The utility model of a kind of bushing edge processing jig with the announcement No. CN218016190U provides a kind of bushing edge processing jig, the bushing edge processing jig provided by the utility model, bushing is clamped inside and outside by friction wheel and limit post, limit post can support bushing, avoid bushing deformation by force and occur inside, guarantee the processing quality of bushing, while the sleeve connection of limit post and positioning shaft, it can be selected according to different specifications bushing Different limit post, increase practicality.

[0004] Although the above structure can complete the fixing and driving of the bushing, the structure is complex, and the size of the jig part is usually large, which is difficult to cooperate with the small grinding machine. At the same time, the complex structure and large size will also lead to high use cost and large space occupation of the processing environment. Therefore, the above problems are solved by providing a bushing edge shaving jig for small grinding machine. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to provide a bushing edge shaving jig for small grinding machine. The bushing edge shaving jig is installed on the bushing fixing part, and then the locking wedge is pulled down by adjusting the screw rod. The locking wedge can extrude the bushing fixing part outward during the downward sliding process, so that the bushing fixing part and the inner wall of the bushing are tightly fitted and a significant friction effect is generated. In this way, the bushing is fixed and installed. Then the base drives the rotating seat to rotate, and then drives the bushing to rotate. The above structure is relatively simple and small in size, and can better cooperate with the small grinding machine. At the same time, it will not occupy too much space of the processing environment, solving the technical problems of the above document that the structure of the jig part is complex and the size is usually large, which is difficult to cooperate with the small grinding machine, and also leads to high use cost and large space occupation of the processing environment.

[0006] The technical solution adopted by the embodiment of the present application to solve the technical problem is:

[0007] The cam is fixedly mounted on the drive shaft and is used to lock the drive shaft, so that the drive shaft can be locked and locked. The cam is fixedly mounted on the drive shaft and is used to lock the drive shaft. The cam is fixedly mounted on the drive shaft and is used to lock the drive shaft. The cam is fixedly mounted on the drive shaft

[0008] In one possible implementation, the bushing fixing member includes two symmetrically arranged elastic fixing plates, and a removable rubber pad is installed on the outer side of the elastic fixing plate. The elastic fixing plate is deformable and can be retracted when the bushing is installed to facilitate the installation of the bushing, and the removable rubber pad can increase friction and improve the fixing effect. When not subject to external force, the two elastic fixing plates are in a state where the upper parts are tilted inward, and this initial state can facilitate the installation of the bushing.

[0009] In one possible implementation, wedge openings are provided on both sides of the bottom end of the locking wedge. The setting of the wedge openings can improve the smoothness of the locking wedge when entering the bushing fixing piece, and the thickness of the locking wedge is numerically equal to the maximum distance between the two elastic fixing plates. This structural form can ensure that the locking wedge can fully open the elastic fixing plates during the sliding process.

[0010] In one possible implementation, the projected area of ​​the locking wedge on the rotating seat is completely within the projected area of ​​the bushing fixing member as a whole on the rotating seat. The above-mentioned structural form can prevent the locking wedge structure from exceeding the range, thereby causing the bushing to be obstructed during the installation process.

[0011] In one possible implementation, the driving base includes a mounting plate, a fixing ring is fixedly provided on the lower end surface of which, and a connecting bearing is fixedly installed in the ring. The rotating seat includes a circular plate, a mounting shaft is fixedly provided on the lower end surface of the circular plate, wherein the mounting shaft passes through the connecting bearing and is fixedly connected to its inner ring. The above-mentioned structural form can complete the rotational connection between the rotating seat and the driving base with the connecting bearing.

[0012] In one possible implementation, a transmission groove is provided on the lower side of the mounting shaft, a cover plate is fixedly installed on the lower side of the mounting plate, a driving motor is installed in the cover plate, and the end of the output shaft is fixedly connected to a transmission wheel, wherein the transmission wheel and the mounting shaft are connected through a transmission belt, one end of the transmission belt is sleeved on the outside of the transmission wheel, and the other end is sleeved in the transmission groove. When it is necessary to drive the rotating seat to rotate, the driving motor drives the transmission wheel to rotate, and the mounting shaft is driven to rotate under the transmission action of the transmission belt, thereby driving the rotating seat to rotate as a whole.

[0013] In one possible implementation, the top corner of the elastic fixing plate is processed to form a rounded corner. The rounded corner can improve the smoothness when the bushing is installed. At the same time, a number of through fixing holes are opened on the elastic fixing plate, which provide the necessary structural basis for the detachable installation of the detachable rubber pad.

[0014] In one possible implementation, the removable rubber pad includes an arc-shaped rubber pad, whose outer surface is fixedly provided with a number of vertically arranged friction ridges, the friction ridges can significantly increase the friction between the arc-shaped rubber pad and the inner wall of the bushing, thereby improving the fixing effect, and its inner side surface is fixedly provided with a number of snap-fitting protrusions matching the fixing holes, and the snap-fitting protrusions can realize the removable installation of the removable rubber pad through the snap-fitting effect between the snap-fitting protrusions and the fixing holes.

[0015] In summary, the present invention has the following beneficial technical effects:

[0016] During installation, the bushing is placed on the bushing fixing part, and then the locking wedge is pulled down by adjusting the screw. The locking wedge can squeeze the bushing fixing part outward during the downward sliding process, so that the bushing fixing part is tightly fitted with the inner wall of the bushing and produces significant friction, thereby achieving fixed installation of the bushing. The driving base then drives the rotating seat to rotate, thereby driving the bushing to rotate. In comparison, the above structural form has a simple structure and a small size, which can better cooperate with the small grinder and will not take up too much space in the processing environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the bushing fixing member of the utility model;

[0021] Figure 4 This is a schematic diagram of the driving structure of the utility model.

[0022] In the figure: 1. Driving base; 11. Mounting plate; 12. Fixing ring; 13. Connecting bearing; 14. Cover plate; 15. Driving motor; 151. Transmission wheel; 16. Transmission belt; 2. Rotating seat; 21. Round plate; 22. Mounting shaft; 23. Transmission groove; 3. Bushing fixing piece; 31. Elastic fixing piece; 311. Round corner; 312. Fixing hole; 32. Removable rubber pad; 321. Arc-shaped rubber pad; 322. Friction ridge; 323. Snap-in protrusion; 4. Locking wedge; 41. Wedge mouth; 5. Adjusting screw. DETAILED DESCRIPTION

[0023] The technical solution in the embodiments of the present application is to solve the problems of the above-mentioned background technology, and the overall idea is as follows:

[0024] like Figure 1 When the cam 2 is in the working state, the cam 2 is in the working state, and the cam 2 is in the working state, so that the cam 2 can move freely, and the cam 2 can move freely, and the cam 2 can move freely.

[0025] like Figure 3 As shown, the bushing fixing part 3 includes two symmetrically arranged elastic fixing plates 31, and a detachable rubber pad 32 is installed on the outer side of the elastic fixing plate 31. The elastic fixing plate 31 is deformable and can be retracted when the bushing is installed to facilitate the installation of the bushing, and the detachable rubber pad 32 can increase the friction and improve the fixing effect. When not subject to external force, the two elastic fixing plates 31 are in a state where the upper part is tilted inward, and this initial state can facilitate the installation of the bushing.

[0026] The elastic fixing sheet 31 is provided with a round corner 311 at the top end corner, and the round corner 311 can improve the smoothness when the bushing is sleeved.

[0027] Correspondingly, the detachable rubber pad 32 comprises an arc-shaped rubber pad 321, and a plurality of vertical friction ribs 322 are arranged on the outer surface of the arc-shaped rubber pad 321 and fixedly arranged; the friction rib 322 can significantly improve the friction effect of the arc-shaped rubber pad 321 and the inner wall of the bushing, thereby improving the fixing effect; a plurality of clamping blocks 323 matched with the fixing holes 312 are fixedly arranged on the inner side surface of the arc-shaped rubber pad 321, and the clamping blocks 323 can realize detachable installation of the detachable rubber pad 32 through the clamping effect between the clamping blocks 323 and the fixing holes 312.

[0028] As shown in Figure 2 The bottom end of the locking wedge 4 is provided with a wedge gap 41 on both sides, and the wedge gap 41 can improve the smoothness of the locking wedge 4 when entering the bushing fixing part 3; and the thickness of the locking wedge 4 is equal to the maximum distance between the two elastic fixing sheets 31 in the numerical value, and the structure form can ensure that the locking wedge 4 can completely support the elastic fixing sheet 31 in the sliding process.

[0029] In particular, the projection area of the locking wedge 4 on the rotating seat 2 is completely within the projection area of the bushing fixing part 3 on the rotating seat 2, and the above structure form can avoid the structure of the locking wedge 4 exceeding the range, which causes the bushing to be blocked during the sleeving process.

[0030] As shown in Figure 4 The driving base 1 comprises an installation plate 11, and a fixed ring 12 is fixedly arranged on the lower end surface of the installation plate 11; a connecting bearing 13 is fixedly arranged in the fixed ring 12; the rotating seat 2 comprises a circular plate 21, and an installation shaft 22 is fixedly arranged on the lower end surface of the circular plate 21; the installation shaft 22 penetrates through the connecting bearing 13 and is fixedly connected with the inner ring of the connecting bearing 13; and the above structure form can realize the rotating connection between the rotating seat 2 and the driving base 1 through the connecting bearing 13.

[0031] In order to realize the transmission effect, the installation shaft 22 is provided with a transmission groove 23 on the lower side, the driving base 1 is fixedly provided with a cover plate 14 on the lower side, the cover plate 14 is provided with a driving motor 15, and the output shaft end of the driving motor 15 is fixedly connected with a transmission wheel 151; the transmission wheel 151 and the installation shaft 22 are connected through a transmission belt 16; one end of the transmission belt 16 is sleeved outside the transmission wheel 151, and the other end is sleeved in the transmission groove 23; when the rotating seat 2 needs to be driven to rotate, the driving motor 15 works to drive the transmission wheel 151 to rotate, and the installation shaft 22 is driven to rotate under the transmission effect of the transmission belt 16, so as to realize the driving of the rotating seat 2.

[0032] The use principle and use process of the utility model are as follows:

[0033] In the installation, the bushing is sleeved on the bushing fixing member 3, and then the locking wedge 4 is pulled down by the adjusting screw 5, and the locking wedge 4 can extrude the bushing fixing member 3 outward during the downward sliding, so that the bushing fixing member 3 is tightly fitted with the inner wall of the bushing and a significant friction effect is generated, so as to realize the fixed installation of the bushing. Then the base 1 drives the rotating seat 2 to rotate, and then drives the bushing to rotate. The above structure is relatively simple in structure and small in size, and can better complete the work cooperation with the small grinding machine, and at the same time will not occupy too much space of the processing environment.

[0034] The driving effect of the driving base 1 is that the driving motor 15 works to drive the transmission wheel 151 to rotate, and drives the mounting shaft 22 to rotate under the transmission of the transmission belt 16, so as to realize the overall rotation of the rotating seat 2.

[0035] In addition, the detachable rubber pad 32 includes an arc-shaped rubber pad 321, and a plurality of vertical friction ribs 322 are fixedly arranged on the outer surface of the arc-shaped rubber pad 321, which can significantly improve the friction effect between the arc-shaped rubber pad 321 and the inner wall of the bushing, thereby improving the fixing effect. A plurality of clamping blocks 323 matched with the fixing holes 312 are fixedly arranged on the inner side of the arc-shaped rubber pad 321, and the clamping blocks 323 can be detachably installed through the clamping action between the clamping blocks 323 and the fixing holes 312, thereby being capable of replacing the detachable rubber pad 32 of the corresponding size according to the bushing of different sizes, and widening the application range of the jig.

[0036] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A bushing edge trimming jig for a small grinder, characterized in that: include: A driving base (1) on which a rotating base (2) is rotatably mounted, and which is used to drive the rotating base (2) to rotate; A bushing fixing member (3) is fixedly arranged on the rotating seat (2) and is used to fix the bushing; A locking wedge (4) is slidably provided in the bushing fixing part (3), and can squeeze the bushing fixing part (3) outward when the locking wedge (4) slides downward. A threaded adjustment screw (5) passes through the axis of the rotating seat (2), and the top end of the adjustment screw (5) is rotatably connected to the wedge head of the locking wedge (4).

2. The bushing edge trimming jig for a small grinder according to claim 1, characterized in that: The bushing fixing member (3) comprises two symmetrically arranged elastic fixing plates (31), and a detachable rubber pad (32) is installed on the outer side of the elastic fixing plates (31). When no external force is applied, the two elastic fixing plates (31) are in a state where the upper parts are tilted inwards.

3. The bushing edge trimming jig for a small grinder according to claim 2, characterized in that: Wedge openings (41) are provided on both sides of the bottom end of the locking wedge (4), and the thickness of the locking wedge (4) is numerically equal to the maximum distance between the two elastic fixing plates (31).

4. The bushing edge trimming jig for a small grinder according to claim 1, characterized in that: The projection area of ​​the locking wedge (4) on the rotating seat (2) is completely within the projection area of ​​the entire bushing fixing part (3) on the rotating seat (2).

5. The bushing edge chamfering jig for a small grinder according to claim 1, characterized in that: The driving base (1) includes a mounting plate (11), a fixing ring (12) is fixedly provided on the lower end surface of the mounting plate, and a connecting bearing (13) is fixedly installed in the ring; the rotating base (2) includes a circular plate (21), and a mounting shaft (22) is fixedly provided on the lower end surface of the circular plate (21); The mounting shaft (22) passes through the connecting bearing (13) and is fixedly connected to the inner ring thereof.

6. The bushing edge chamfering jig for a small grinder according to claim 5, characterized in that: A transmission groove (23) is provided on the lower side of the installation shaft (22); a cover plate (14) is fixedly installed on the lower side of the installation plate (11); a driving motor (15) is installed in the cover plate (14); and a transmission wheel (151) is fixedly connected to the end of the output shaft of the driving motor (15). The transmission wheel (151) and the mounting shaft (22) are connected to each other through a transmission belt (16). One end of the transmission belt (16) is sleeved outside the transmission wheel (151), and the other end is sleeved in the transmission groove (23).

7. The bushing edge chamfering jig for a small grinder according to claim 2, characterized in that: The top corner of the elastic fixing piece (31) is processed to form a rounded corner (311), and the elastic fixing piece (31) is provided with a plurality of through fixing holes (312).

8. The bushing edge trimming jig for a small grinder according to claim 7, characterized in that: The detachable rubber pad (32) comprises an arc-shaped rubber pad (321), the outer surface of which is fixedly provided with a plurality of vertically arranged friction ridges (322), and the inner side surface of which is fixedly provided with a plurality of clamping protrusions (323) matching the fixing holes (312).

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