CN218697086U - Lathe belt pulley grinding device - Google Patents

Abstract

The utility model discloses a lathe belt pulley polishing device, which comprises a workbench, an adjusting structure and a polishing structure; a working plate table: the grinding device comprises supporting legs, supporting legs are evenly arranged at four corners of the lower end of the grinding block, a motor is arranged at the rear end of the upper surface of a workbench, a supporting plate is arranged at the middle of the upper surface of the workbench, an inner arc wall is communicated with the middle of a rod body of a roller through a bearing, a chain wheel arranged at the rear end of the roller is in chain transmission with a chain wheel arranged at the front end of an output shaft of the motor through a chain, a fixing ring is arranged on the middle rod body of the roller, the fixing ring is located at the front side of the supporting plate, a belt pulley is installed on the front end rod body of the roller through a flat key, the rear side face of the belt pulley is in contact with the front side face of the fixing ring, threads arranged on the front end rod body of the roller are in threaded connection with an inner thread ring, and the grinding device for the belt pulley of the lathe can be automatically ground, the efficiency is improved, the service life of the grinding block can be prolonged, and the grinding precision is guaranteed.

Description

A lathe pulley grinding device

technical field

The utility model relates to the technical field of lathe processing, in particular to a lathe pulley grinding device.

Background technique

Lathe processing is a part of mechanical processing. There are mainly two processing forms: one is to fix the turning tool to process the unformed workpiece during rotation, and the other is to fix the workpiece and rotate the workpiece at high speed. The horizontal and vertical movement of the tool holder) is used for precision machining. On the lathe, drills, reamers, reamers, taps, dies and knurling tools can also be used for corresponding processing. The lathe is mainly used for processing shafts, discs, sleeves and Other workpieces with rotating surfaces are the most widely used type of machine tool processing in machinery manufacturing and repair factories. It is easy to ensure the accuracy of each processing surface of the workpiece. During processing, the workpiece rotates around a fixed axis, and each surface has the same axis of rotation. , so it is easy to ensure the coaxiality requirements between the processing surfaces. In order to ensure the processing accuracy, each part of the lathe needs regular maintenance, and the pulley of the transmission part also needs regular grinding, but the traditional grinding methods are mostly manual grinding. Uneven, grinding efficiency is low, so it is imperative to propose a lathe pulley grinding device.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a lathe pulley grinding device, which can perform automatic grinding, improve efficiency, improve the service life of the grinding block, ensure the accuracy of grinding, and effectively solve the background technology in the question.

In order to achieve the above purpose, the utility model provides the following technical solutions: a lathe pulley grinding device, including a working platform, an adjustment structure and a grinding structure;

Working platform: The four corners of the lower end are evenly equipped with outriggers, the upper surface of the working platform is equipped with a motor at the rear end, and the middle part of the upper surface of the working platform is provided with a support plate. The middle part of the rod body of the shaft is rotationally connected, the sprocket set at the rear end of the roller is driven by a chain and the sprocket set at the front end of the output shaft of the motor, and a fixed ring is set on the rod body in the middle of the roller shaft, and the fixed ring is located on the front side of the support plate. A pulley is installed on the front end of the shaft through a flat key, the rear side of the pulley is in contact with the front side of the fixed ring, the thread provided on the front end of the roller is threaded with the internal thread circle, and the front side of the pulley is in contact with the rear end surface of the internal thread circle ;

Adjustment structure: set on the upper surface of the work platform;

Grinding structure: set on the upper end of the adjustment structure, the grinding structure corresponds to the position of the pulley;

Wherein: it also includes a control switch group, the front side of the working platform is provided with a control switch group, the input end of the control switch group is electrically connected to an external power supply, and the input end of the motor is electrically connected to the output end of the control switch group, which can be automatically polished , improve efficiency, but also improve the service life of the grinding block, to ensure the accuracy of grinding.

Further, the adjustment structure includes a spring, a pressure plate, an internally threaded cylinder, a screw rod and a backing plate, the left and right sides of the upper surface of the working platform are symmetrically provided with backing plates, and the middle part of the upper surface of the backing plate is provided with a screw rod , the internally threaded cylinders are threadedly connected with the corresponding screw rods, the through holes on the left and right sides of the pressure plate are respectively movably plugged into the upper end of the corresponding internally threaded cylinder’s outer arc surface, and the upper end steps of the two internally threaded cylinder’s outer arc walls are connected to the pressure plate The upper end of the screw body is in contact with the bottom surface of the screw rod, and the upper end of the rod body of the screw rod is sleeved with a spring. The lower surface of the stopper set on the upper end of the screw rod is respectively fixedly connected with the upper end of the corresponding spring. efficiency.

Further, the grinding structure includes a grinding block, a chute and a T-shaped slider, a chute is provided in the middle of the plate body of the pressing plate, the T-shaped slider is slidably connected with the chute, and the lower surface of the T-shaped slider is provided with Grinding block, the position of the grinding block corresponds to the pulley, which improves the service life of the grinding block and ensures the accuracy of grinding.

Further, the grinding structure also includes an electric push rod, an electric push rod is provided on the right side of the upper surface of the pressing plate, the left end of the electric push rod is fixedly connected with the right side of the T-shaped slider, and the electric push rod The input end is electrically connected to the output end of the control switch group to provide driving force for the movement of the grinding block.

Further, a scale is also included, and the front side of the support plate is provided with a scale, which is convenient for the operator to observe the height of the pressing plate to adjust it.

Compared with the prior art, the beneficial effect of the utility model is: the lathe pulley grinding device has the following advantages:

1. Synchronously adjust the two internally threaded cylinders. The internally threaded cylinders are respectively threaded with the corresponding screw rods. Rotating the internally threaded cylinders will move the internally threaded cylinders downward. The upper end of the surface is movable, and the lower end of the spring is in contact with the upper surface of the pressure plate. Therefore, the inner threaded cylinder moves downward and the spring exerts elastic pressure on the pressure plate, thereby moving the pressure plate to a suitable grinding position. Automatic grinding can be performed after setting the height , improve efficiency and reduce the burden on operators.

2. Control the work of the electric push rod through the control switch group, the T-shaped slider is slidably connected with the chute, and the electric push rod works to push the T-shaped slider to slide repeatedly left and right, and the grinding block corresponds to the position of the pulley, so as to grind the pulley, and the grinding block Repeatedly sliding left and right can avoid continuous wear of the contact point of the grinding block, improve the service life of the grinding block, and ensure the accuracy of grinding.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a side sectional schematic diagram of the belt pulley structure of the present invention;

Fig. 3 is a partial schematic diagram of the adjustment structure of the present invention.

In the figure: 1 work platform, 2 adjustment structure, 21 spring, 22 pressure plate, 23 internal thread cylinder, 24 screw rod, 25 backing plate, 3 grinding structure, 31 grinding block, 32 chute, 33T type slider, 34 electric Push rod, 4 supporting legs, 5 supporting plates, 6 control switch groups, 7 motors, 8 rollers, 9 scales, 10 flat keys, 11 internal thread rings, 12 pulleys, 13 fixed rings.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a lathe pulley grinding device, including a working platform 1, an adjusting structure 2 and a grinding structure 3;

Working platform 1: the four corners of the lower end are evenly provided with supporting legs 4, the upper surface and rear end of the working platform 1 are provided with a motor 7, the middle part of the upper surface of the working platform 1 is provided with a support plate 5, and the upper middle part of the support plate 5 is connected. The inner arc wall is rotationally connected with the middle part of the rod body of the roller 8 through a bearing, the sprocket arranged at the rear end of the roller 8 is driven by a chain and the sprocket arranged at the front end of the output shaft of the motor 7, and the middle rod body of the roller 8 is provided with a fixed ring 13 , the fixed ring 13 is positioned at the front side of the support plate 5, and the front end rod body of the roller 8 is equipped with a pulley 12 through a flat key 10, and the rear side of the pulley 12 is in contact with the front side of the fixed ring 13. The thread is threaded with the internal thread ring 11, the front side of the pulley 12 is in contact with the rear end face of the internal thread ring 11, and the pulley 12 is installed to the front end of the roller 8 through the flat key 10, and the thread provided on the front end of the roller 8 is in line with the inner thread. The threaded ring 11 is threaded, and the inner threaded ring 11 is rotated to make the inner threaded ring 11 cooperate with the fixed ring 13 so as to fix the pulley 12 to the front end of the roller 8. The middle part of the rod body is rotationally connected, and the sprocket set at the rear end of the roller 8 is driven by a chain and the sprocket set at the front end of the output shaft of the motor 7, and the motor 7 is controlled by the control switch group 6 to work, thereby driving the pulley 12 at the front end of the roller 8 to rotate at a high speed;

Adjustment structure 2: set on the upper surface of the work platform 1, the adjustment structure 2 includes a spring 21, a pressure plate 22, an internal thread cylinder 23, a screw rod 24 and a backing plate 25, and the upper surface of the work platform 1 has two left and right sides. The backing plate 25 is arranged symmetrically on the side, and the middle part of the upper surface of the backing plate 25 is provided with a screw rod 24, and the internally threaded barrel 23 is threadedly connected with the corresponding screw rod 24 respectively, and the through holes on the left and right sides of the pressing plate 22 are respectively connected to the corresponding internal thread. The upper end of the outer arc surface of the cylinder 23 is movably plugged, and the upper step surfaces of the outer arc walls of the two internally threaded cylinders 23 are in contact with the bottom surface of the pressure plate 22, and the upper ends of the screw rods 24 are sleeved with springs 21, and the upper ends of the screw rods 24 are provided with The lower surface of the baffle is fixedly connected to the upper end of the corresponding spring 21 respectively, and the lower ends of the spring 21 are all in contact with the upper surface of the pressure plate 22, and the two internally threaded cylinders 23 are adjusted synchronously, and the internally threaded cylinders 23 are threadedly connected with the corresponding screw rods 24 respectively, Rotate the internally threaded cylinder 23 to move the internally threaded cylinder 23 downward, and the through holes on the left and right sides of the pressure plate 22 are respectively connected to the upper surface of the corresponding internally threaded cylinder 23. The lower end of the spring 21 is in contact with the upper surface of the pressure plate 22. , so the internal thread cylinder 23 moves downwards and the spring 21 exerts elastic pressure on the pressure plate 22, thereby moving the pressure plate 22 to a suitable grinding position. After the height is set, automatic grinding can be performed to improve efficiency and reduce the burden on operators;

Grinding structure 3: set on the upper end of the adjustment structure 2, the grinding structure 3 corresponds to the position of the pulley 12, the grinding structure 3 includes a grinding block 31, a chute 32 and a T-shaped slider 33, and the middle part of the plate body of the pressure plate 22 is set There is a chute 32, the T-shaped slider 33 is slidingly connected with the chute 32, the lower surface of the T-shaped slider 33 is provided with a grinding block 31, and the grinding block 31 corresponds to the position of the pulley 12, and the grinding structure 3 also includes an electric push rod 34. The right side of the upper surface of the pressure plate 22 is provided with an electric push rod 34, the left end of the electric push rod 34 is fixedly connected with the right side of the T-shaped slider 33, and the electric push rod 34 is controlled by the control switch group 6 Work, the T-shaped slider 33 is slidingly connected with the chute 32, the electric push rod 34 works to push the T-shaped slider 33 to slide repeatedly left and right, the grinding block 31 corresponds to the position of the pulley 12, thereby grinding the pulley 12, and the grinding block 31 is repeated left and right Sliding can avoid the continuous wear of the contact point of the grinding block 31, improve the service life of the grinding block 31, and ensure the accuracy of grinding;

Wherein: it also includes a control switch group 6, the front side of the working platform 1 is provided with a control switch group 6, the input end of the control switch group 6 is electrically connected to an external power supply, and the input ends of the motor 7 and the electric push rod 34 are electrically connected The output terminals of the switch group 6 are controlled to ensure the normal operation of each structural circuit.

Wherein: a scale 9 is also included, and the front side of the support plate 5 is provided with a scale 9, which is convenient for the operator to observe the height of the pressing plate 22 to adjust it.

When in use: the belt pulley 12 is installed to the front end of the roller 8 through the flat key 10, the thread provided on the front end of the roller 8 is threadedly connected with the internal thread ring 11, and the internal thread ring 11 is rotated to make the internal thread ring 11 and the fixed ring 13 Cooperate to fix the belt pulley 12 to the front end of the roller 8, the middle part of the upper end of the support plate 5 is connected to the inner arc wall through the bearing and the middle part of the rod body of the roller 8 is rotatably connected, and the sprocket set at the rear end of the roller 8 is output by the motor 7 through the chain The sprocket transmission arranged at the front end of the shaft controls the operation of the motor 7 through the control switch group 6, thereby driving the pulley 12 at the front end of the roller 8 to rotate at a high speed, and synchronously adjusts the two internal thread cylinders 23, which are respectively connected to the corresponding screw rods 24 Threaded connection, rotating the internally threaded cylinder 23 to move the internally threaded cylinder 23 downwards, the through holes on the left and right sides of the pressure plate 22 are respectively connected to the upper end of the corresponding internally threaded cylinder 23 outer arc surface, and the lower end of the spring 21 is connected to the bottom of the pressure plate 22. The upper surface is in contact, so the inner threaded cylinder 23 moves downward and the spring 21 exerts elastic pressure on the pressure plate 22, thereby moving the pressure plate 22 to a suitable grinding position. After the height is set, automatic grinding can be performed, improving efficiency and reducing the burden on operators , the scale 9 can facilitate the operator to observe the height of the pressure plate 22 to adjust, and at the same time control the electric push rod 34 to work through the control switch group 6, the T-shaped slider 33 is slidingly connected with the chute 32, and the electric push rod 34 works to push the T-shaped The slide block 33 slides repeatedly left and right, and the grinding block 31 corresponds to the position of the pulley 12, so that the pulley 12 is polished. The repeated sliding of the grinding block 31 left and right can avoid continuous wear of the contact points of the grinding block 31, improve the service life of the grinding block 31, and ensure the grinding accuracy.

It is worth noting that the motor 7 disclosed in this embodiment can use the AC motor model 5IK150RGU-CF of Dongguan Weibang Electromechanical Co., Ltd., and the electric push rod 34 can use the model JK- The AC push rod of JP3, control switch group 6 control motor 7 and electric push rod 34 work all adopt the method commonly used in the prior art.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a lathe belt pulley grinding device which characterized in that: comprises a working plate table (1), an adjusting structure (2) and a grinding structure (3);

work bench (1): the four corners of the lower end of the workbench are uniformly provided with supporting legs (4), the rear end of the upper surface of the workbench (1) is provided with a motor (7), the middle part of the upper surface of the workbench (1) is provided with a supporting plate (5), the middle part of the upper end of the supporting plate (5) is communicated with an inner arc wall and is rotationally connected with the middle part of a rod body of a rolling shaft (8) through a bearing, a chain wheel arranged at the rear end of the rolling shaft (8) is in transmission with a chain wheel arranged at the front end of an output shaft of the motor (7) through a chain, the middle rod body of the rolling shaft (8) is provided with a fixing ring (13), the fixing ring (13) is positioned at the front side of the supporting plate (5), the front end rod body of the rolling shaft (8) is provided with a belt pulley (12) through a flat key (10), the rear side surface of the belt pulley (12) is in contact with the front side surface of the fixing ring (13), threads arranged on the front end rod body of the rolling shaft (8) are in threaded connection with an internal thread ring (11), and the front side surface of the belt pulley (12) is in contact with the rear end surface of the internal thread ring (11);

adjustment structure (2): is arranged on the upper surface of the workbench (1);

sanding structure (3): the polishing device is arranged at the upper end of the adjusting structure (2), and the polishing structure (3) corresponds to the belt pulley (12) in position;

wherein: the automatic control device is characterized by further comprising a control switch group (6), wherein the control switch group (6) is arranged on the front side face of the workbench (1), an external power supply is electrically connected with the input end of the control switch group (6), and the output end of the control switch group (6) is electrically connected with the input end of the motor (7).

2. The lathe pulley grinding apparatus according to claim 1, wherein: adjusting structure (2) including spring (21), clamp plate (22), an internal thread section of thick bamboo (23), lead screw (24) and backing plate (25), the upper surface left and right sides symmetry of workstation (1) is provided with backing plate (25), the upper surface middle part of backing plate (25) all is provided with lead screw (24), an internal thread section of thick bamboo (23) respectively with lead screw (24) threaded connection who corresponds, the through-hole of clamp plate (22) left and right sides is pegged graft in the activity of corresponding internal thread section of thick bamboo (23) extrados upper end respectively, the upper end step face of two internal thread section of thick bamboos (23) outer arc wall all contacts with the bottom surface of clamp plate (22), spring (21) have all been cup jointed to the body of rod upper end of lead screw (24), the separation blade lower surface that lead screw (24) upper end set up respectively with corresponding spring (21) upper end fixed connection, the lower extreme of spring (21) all with the upper surface contact of clamp plate (22).

3. The lathe pulley grinding apparatus according to claim 2, wherein: the polishing structure (3) comprises a polishing block (31), a sliding groove (32) and a T-shaped sliding block (33), the sliding groove (32) is formed in the middle of the plate body of the pressing plate (22), the T-shaped sliding block (33) is in sliding connection with the sliding groove (32), the polishing block (31) is arranged on the lower surface of the T-shaped sliding block (33), and the polishing block (31) corresponds to the belt pulley (12) in position.

4. The lathe pulley grinding apparatus according to claim 3, wherein: the polishing structure (3) further comprises an electric push rod (34), the electric push rod (34) is arranged on the right side of the upper surface of the pressing plate (22), the left end of the electric push rod (34) is fixedly connected with the right side surface of the T-shaped sliding block (33), and the input end of the electric push rod (34) is electrically connected with the output end of the control switch group (6).

5. The lathe pulley grinding apparatus according to claim 1, wherein: the novel support plate is characterized by further comprising a graduated scale (9), wherein the graduated scale (9) is arranged on the front side face of the support plate (5).

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