CN111469023A - Abrasive band machine for lathe - Google Patents

Abstract

The invention relates to an abrasive belt machine for machine tools, comprising a motor, a bottom plate, a supporting plate, a regulating plate, an abrasive belt, a claw wheel, a contact wheel, a tensioning and deviation adjusting device, a deviation regulating wheel and a driving wheel; the driving wheel is arranged on the bottom plate. On the rear side, there are two claw wheels. The two claw wheels are rotatably connected to the upper and lower corners of the right end of the back side of the bottom plate. The tensioning and deflection adjusting device is arranged on the front side of the bottom plate and above the motor. The wheel is rotatably arranged on the tensioning and adjusting device and on the rear side of the bottom plate, and the abrasive belt is sleeved on the outside of the driving wheel, the adjusting wheel and the two claw wheels; the present invention is small in size and can be fixed in machine tools such as machine tools. On the equipment, after the workpiece is processed on the machine tool, it can be ground with the belt sander without removing it to improve the processing efficiency and ensure the machining accuracy of the workpiece. The structure is simple, the use is convenient, and the application range is wide.

Description

A belt sander for machine tools

technical field

The invention relates to a belt sander for machine tools.

Background technique

Abrasive belt grinding is a new type of processing method with easy operation, low cost, high power utilization rate, high surface quality of grinding workpiece and low grinding heat; belt grinding machine is a widely used belt grinding process. The tool generally uses the motor drive wheel to drive the abrasive belt movement to achieve the purpose of grinding.

The existing belt grinder can only be used by hand, and is only suitable for the processing of small workpieces. After the workpiece is processed on the machine tool, it must be removed and ground with the help of a grinder or manually with a belt grinder. The purchase cost of the grinder is high. The scope of application is small, and the processing efficiency of the belt grinding machine is low. In addition, the workpiece will affect the processing accuracy after the second clamping, which needs to be further improved.

SUMMARY OF THE INVENTION

In view of the current situation of the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a small size and can be fixed on machining equipment such as machine tools, so that the workpiece can be polished without removing it after the machining is completed to improve the machining efficiency, and The machining accuracy of the workpiece is guaranteed, the structure is simple, the use is convenient, and the belt sander for machine tools is widely applicable.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is: an abrasive belt machine for machine tools, which is characterized in that it includes a motor, a bottom plate, a supporting plate, an adjusting plate, an abrasive belt, a claw wheel, a contact wheel, and a tensioning and deviation adjusting device , a deflection wheel and a driving wheel; the motor and the supporting plate are respectively fixed on the left and right ends of the front side of the bottom plate, the driving wheel is arranged on the rear side of the bottom plate, and the rotating shaft of the motor passes through the bottom plate laterally backward and is inserted into the bottom plate. It is fixed at the center of the driving wheel, and the said claw wheel includes two. The two claw wheels are respectively rotatably connected to the upper and lower corners of the right end of the rear side of the bottom plate. The adjusting plate is fixed on the front side of the bottom plate and can Lateral movement, the lower side of the adjusting plate is attached to the upper plane of the supporting plate, the contact wheel is rotatably connected to the right end of the adjusting plate and is arranged on the rear side of the bottom plate, and the tensioning and biasing device is arranged on the The front side of the bottom plate is arranged above the motor, the deflection wheel is rotatably arranged on the tensioning and deflection device and is arranged on the back side of the bottom plate, and the abrasive belt is sleeved on the driving wheel, the deflection wheel and the two belts. The tension and deflection device includes a back plate, a plug screw, an indexing locating pin, a handle screw, a spring, a gas spring, a connecting plate and a wheel core shaft, and the back plate is arranged on the front side of the bottom plate , the middle part of the back plate is rotatably fixed on the bottom plate through the plug screw, the indexing locating pin is horizontally inserted and screwed in the back plate and is arranged on the right side of the plug screw, the indexing locating pin is The lower side of the rear end is attached to the upper side of the left end of the bottom plate, the fixed end of the gas spring is rotatably connected to the front side of the bottom plate, and the telescopic end of the gas spring is rotatably connected to the back plate and arranged on the back plate. On the right side of the indexing locating pin, the wheel core shaft is transversely inserted and fixed in the back plate, the rear end of the wheel core shaft passes through the bottom plate and protrudes out of the rear side of the bottom plate, and the deflection wheel is rotatable. It is sleeved on the rear end of the wheel core shaft; the connecting plate is fixed on the upper side of the back plate and is arranged on the right side of the wheel core shaft, and the handle screw is vertically inserted and screwed in the connecting plate and is perpendicular to the wheel core shaft The spring is sleeved outside the handle screw, and the two ends of the spring are respectively pressed against the head of the handle screw and the plane of the connecting plate;

Preferably, the right end of the bottom plate is provided with an open groove, and the contact wheel is disposed in the open groove and is disposed on the inner side of the abrasive belt.

Preferably, it also includes two screw assemblies. Correspondingly, the bottom plate is provided with two laterally arranged and vertically distributed sliding grooves. The two screw assemblies are respectively arranged in the two sliding grooves. The screw assembly includes a plurality of lateral And for the screws located at the same level, the threaded end of each screw passes through a corresponding sliding slot and is inserted and screwed into the adjustment plate.

Preferably, the upper side of the left end of the bottom plate is further provided with an oblique groove, and the oblique groove is arranged above the indexing locating pin and cooperates with the rear end of the indexing locating pin.

Preferably, a notch groove is formed on the upper side of the left end of the bottom plate, and the wheel core shaft is arranged in the notch groove.

Preferably, the contact wheel is also covered with a rubber sleeve, and a plurality of rubber teeth distributed equiangularly along the circumferential direction are formed outwardly on the rubber sleeve.

Preferably, a plurality of slot holes are also opened in the bottom plate.

Compared with the prior art, the present invention has the advantages that the present invention is small in size and can be fixed on machining equipment such as machine tools. It has the advantages of simple structure, convenient use and wide application range.

Description of drawings

Fig. 1 is the right front side structural diagram of the present invention;

Fig. 2 is the right rear side structural diagram of the present invention;

FIG. 3 is a structural diagram of the right front side of the tensioning and deflection adjusting device of the present invention.

Detailed ways

Unless otherwise defined, technical or scientific terms used in the present invention should have the ordinary meaning as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and similar terms used herein do not denote any order, quantity, or importance, but are merely used to distinguish different components. "Comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right", etc. are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of well-known functions and well-known components.

As shown in Figures 1 to 3, a belt sander for machine tools includes a motor 1, a bottom plate 2, a support plate 3, an adjustment plate 4, an abrasive belt 5, a claw wheel 6, a contact wheel 7, a tensioning and deviation adjusting device 8, Offset wheel 87 and drive wheel 9. The motor 1 and the supporting plate 3 are respectively fixed on the left and right ends of the front side of the bottom plate 2, the driving wheel 9 is arranged on the rear side of the bottom plate 2, and the rotating shaft of the motor 1 passes through the bottom plate 2 laterally backward and is inserted and fixed in the center of the driving wheel 9 , the claw wheel 6 includes two, the two claw wheels 6 are respectively rotatably connected to the upper and lower corners of the rear right end of the bottom plate 2, and the adjusting plate 4 is fixed on the front side of the bottom plate 2 and can move laterally. The lower side is attached to the upper plane of the supporting plate 3, the contact wheel 7 is rotatably connected to the right end of the adjusting plate 4 and is arranged on the rear side of the bottom plate 2, and the tensioning and biasing device 8 is arranged on the front side of the bottom plate 2 and is arranged side by side. Above the motor 1, the biasing wheel 87 is rotatably arranged on the tensioning and biasing device 8 and on the rear side of the bottom plate 2, and the abrasive belt 5 is sleeved on the driving wheel 9, the biasing wheel 87 and the two claw wheels. 6 outside; the right end of the bottom plate 2 is provided with an opening groove 24, and the contact wheel 7 is arranged in the opening groove 24 and is arranged on the inner side of the abrasive belt 5; The pin 83, the handle screw 84, the spring 85, the gas spring 86, the connecting plate 88 and the wheel core shaft 89, the back plate 81 is arranged on the front side of the bottom plate 2, and the middle of the back plate 81 is rotatably fixed to the bottom plate through the plug screw 82 2, the indexing locating pin 83 is horizontally inserted and screwed in the back plate 81 and is located on the right side of the plug screw 82, and the lower rear end of the indexing locating pin 83 is fitted on the upper side of the left end of the bottom plate 2, The fixed end of the gas spring 86 is rotatably connected to the front side of the bottom plate 2, the telescopic end of the gas spring 86 is rotatably connected to the back plate 81 and is arranged on the right side of the indexing positioning pin 83, and the wheel core shaft 89 is inserted horizontally. Fixed in the back plate 81, the rear end of the wheel core shaft 89 passes through the bottom plate 2 and protrudes out of the rear side of the bottom plate 2, the deflection wheel 87 is rotatably sleeved on the rear end of the wheel core shaft 89; the connecting plate 88 It is fixed on the upper side of the back plate 81 and is arranged on the right side of the wheel core shaft 89. The handle screw 84 is vertically inserted and screwed in the connecting plate 88 and is perpendicular to the wheel core shaft 89. The spring 85 is sleeved outside the handle screw 84. Both ends of the spring 85 are pressed against the head of the handle screw 84 and the upper plane of the connecting plate 88 respectively;

The bottom plate 2 is also provided with a plurality of slot holes 23 for material saving and weight reduction. The upper side of the left end of the bottom plate 2 is also provided with an oblique groove 22. The oblique groove 22 is provided above the indexing positioning pin 83 and is positioned with the indexing. The rear ends of the pins 83 cooperate with each other; the upper side of the left end of the bottom plate 2 is provided with a notch groove 25 , and the wheel core shaft 89 is arranged in the notch groove 25 .

The contact wheel 7 is also covered with a rubber sleeve 10 , and a plurality of rubber teeth 101 are formed outwardly on the rubber sleeve 10 , which are equiangularly distributed along the circumferential direction.

In a preferred embodiment of the present invention, a belt sander for machine tools further includes two screw assemblies, two horizontally arranged and vertically distributed chute 21 are opened in the bottom plate 2, and the two screw assemblies are respectively arranged in In the two sliding grooves 21 , the screw combination includes a plurality of horizontal screws 41 located at the same level.

When in use, the support plate 3 is fixed on the tool holder of the lathe with the help of the matching fasteners, and the motor 1 is started to rotate its rotating shaft, thereby driving the driving wheel 9 to rotate, so as to use the contact wheel 7, the deflection wheel 87 and the two The claw wheel 6 drives the abrasive belt 5 to run, and the grinding process can be realized by contacting the workpiece with the abrasive belt 5 .

When replacing the abrasive belt, push the backing plate 81 upwards by hand, and the indexing fixing pin 83 will follow the right end of the backing plate 81 to swing downward, so that its rear end is inserted into the positioning hole provided on the bottom plate 2 along the inclined groove 22 , During this process, the adjusting wheel 87 also swings downward with the right end of the back plate 81 to leave the abrasive belt 5 and compress the gas spring 86; at this time, the abrasive belt 5 is in a relaxed state due to the departure of the adjusting wheel 87, so the Can be easily removed for replacement.

When the abrasive belt 5 is re-installed, press the backing plate 81 downwards by hand, and the indexing fixing pin 83 will follow the right end of the backing plate 81 to swing upwards, so that the rear end will come out from the positioning hole on the bottom plate 2, and then , the back plate 81 slides along the chute 22 to the upper side of the bottom plate 2 under the rebound force of the gas spring 86 , so that the deflection wheel 87 swings upward with the right end of the back plate 81 to tension the abrasive belt 5 .

The tensioning and adjusting device 8 can also be used to adjust the deviation of the abrasive belt 5 when it is working. After the abrasive belt 5 is installed, start the motor 1 and keep rotating at a low speed to observe the movement of the abrasive belt 5. If it is found that the abrasive belt 5 deviates from the work For the phenomenon of the center, the handle screw 84 can be screwed down, so that the threaded end of the handle screw 84 presses the front end of the wheel core shaft 89 downward, and the rear end of the wheel core shaft 89 can be based on the lever principle and by means of its connection with the back plate 81. There is a gap between the two and slowly tilt upward, thereby adjusting the angle of the deflection wheel 87 to achieve deflection; when the handle screw 84 is screwed up, the deflection wheel 87 will swing downward under the pressure of the abrasive belt 5, Until the upper side of the front end of the wheel spindle 89 abuts the threaded end of the handle screw 84 .

The present invention can also be used for different grinding methods: when the adjusting plate 4 is moved to the rightmost end, the rubber sleeve 10 will follow the contact wheel 7 to push out the abrasive belt 5 outward, so that the abrasive belt 5 located at the rubber sleeve 10 will move towards the At this time, if it touches the workpiece, rough machining with a larger feed rate can be completed, which is called hard grinding. The arrangement of the plurality of rubber teeth 101 increases the friction between the rubber sleeve 10 and the abrasive belt 5. Then, it is ensured that the grinding force is sufficient and will not slip; when the adjusting plate 4 is moved to the leftmost end, the contact wheel 7 will be separated from the abrasive belt 5. At this time, if it touches the workpiece, the abrasive belt 5 between the two claw wheels 6 will be closed. It can complete the finishing with a small feed rate and is suitable for polishing and other processes, which is called soft grinding.

The invention is small in size and can be fixed on machining equipment such as machine tools. After the workpiece is processed on the machine tool, it can be ground by means of an abrasive belt machine without removing it to improve the processing efficiency and ensure the machining accuracy of the workpiece, and has a simple structure. It is easy to use and has a wide range of applications.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that it can still be used for The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. an abrasive belt machine for machine tools, is characterized in that, comprises motor, bottom plate, support plate, adjusting plate, abrasive belt, claw wheel, contact wheel, tensioning and adjusting device, adjusting wheel and driving wheel; the motor and the supporting plate are respectively fixed on the left and right ends of the front side of the bottom plate, the driving wheel is arranged on the rear side of the bottom plate, the rotating shaft of the motor transversely passes through the bottom plate and is inserted and fixed in the center of the driving wheel, the claw wheel Including two, the two claw wheels are respectively rotatably connected to the upper and lower corners of the rear right end of the bottom plate, the adjusting plate is fixed on the front side of the bottom plate and can move laterally, and the lower side of the adjusting plate is attached On the upper plane of the support plate, the contact wheel is rotatably connected to the right end of the adjusting plate and is arranged on the rear side of the bottom plate, and the tensioning and biasing device is arranged on the front side of the bottom plate and above the motor, The deflection adjusting wheel is rotatably arranged on the tensioning deflection adjusting device and on the rear side of the bottom plate, and the abrasive belt is sleeved outside the driving wheel, deflection adjusting wheel and two claw wheels; The device includes a back plate, a plug screw, an indexing locating pin, a handle screw, a spring, a gas spring, a connecting plate and a wheel core shaft. It is rotatably fixed on the bottom plate, the indexing locating pin is horizontally inserted and screwed in the back plate and is located on the right side of the plug screw, and the lower rear end of the indexing locating pin is attached to the left end of the bottom plate. On the side surface, the fixed end of the gas spring is rotatably connected to the front side of the bottom plate, the telescopic end of the gas spring is rotatably connected to the back plate and is arranged on the right side of the indexing pin, the wheel The mandrel is transversely inserted and fixed in the back plate, the rear end of the wheel mandrel passes through the bottom plate and protrudes out of the rear side of the bottom plate, and the deflection wheel is rotatably sleeved on the rear end of the wheel mandrel; The connecting plate is fixed on the upper side of the back plate and is arranged on the right side of the wheel core shaft, the handle screw is vertically inserted and screwed in the connecting plate and is perpendicular to the wheel core shaft, and the spring is sleeved outside the handle screw, The two ends of the spring are respectively pressed against the head of the handle screw and the plane of the connecting plate; the threaded end of the handle screw is pressed against the upper side of the front end of the wheel core shaft. 2 . The belt sander for machine tools according to claim 1 , wherein an open groove is formed at the right end of the bottom plate, and the contact wheel is arranged in the open groove and inside the abrasive belt. 3 . 3. The belt sander for machine tools according to claim 1, characterized in that it further comprises two screw assemblies, and correspondingly, two laterally arranged and vertically distributed chutes are provided in the bottom plate, and the two The screw assemblies are respectively arranged in the two sliding grooves. The screw assemblies include a plurality of horizontal screws located at the same level. The threaded end of each of the screws passes through a corresponding sliding groove and is inserted and screwed into the adjustment plate. . 4 . The belt sander for machine tools according to claim 1 , wherein the upper side of the left end of the bottom plate is also provided with an inclined groove, and the inclined groove is arranged above the indexing positioning pin and is connected with the indexing locating pin. 5 . The rear ends of the positioning pins cooperate with each other. 5 . The belt sander for machine tools according to claim 1 , wherein a notch groove is formed on the upper side of the left end of the bottom plate, and the wheel core shaft is arranged in the notch groove. 6 . 6 . The belt sander for machine tools according to claim 1 , wherein the contact wheel is also covered with a rubber sleeve, and the rubber sleeve is outwardly formed with a plurality of equiangular distributions along the circumferential direction. 7 . rubber teeth. 7 . The belt sander for machine tools according to claim 1 , wherein the bottom plate is further provided with a plurality of slot holes. 8 .

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