Centerless grinding machine with fine adjustment positioning mechanism

Abstract

The utility model discloses a centerless grinding machine with a fine tuning positioning mechanism, which relates to the technical field of grinding machines and comprises a bottom cabinet body, a grinding wheel outer casing is arranged above the bottom cabinet body, and a grinding wheel is movably connected in the right side of the grinding wheel outer casing. An adjusting assembly facilitating fine adjustment of the positioning grinding wheel is arranged at the top end of the bottom cabinet body. According to the centerless grinding machine with the fine adjustment positioning mechanism, the left side fixing plate, a first electric cylinder, a sliding rail, a sliding sleeve, a first bearing plate, a guide rod, a guide plate and a guide hole are arranged, when the centerless grinding machine is used, the first electric cylinder and a third electric cylinder extend or retract, and the first bearing plate and a second bearing plate can be pulled to slide left and right along the sliding rail through the sliding sleeve; the distance between the grinding wheel and the plastic adjusting wheel is further changed, flexible fine adjustment and positioning can be achieved according to the size of a workpiece and the grinding requirement, the function of facilitating fine adjustment and positioning is achieved, and the problem that the device does not have the function of facilitating fine adjustment and positioning is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grinding machine, concretely is a centerless grinding machine with fine positioning mechanism. BACKGROUND

[0002] Centerless grinding machine is a kind of grinding machine without adopting workpiece's axle positioning to carry out grinding, mainly by grinding wheel, adjusting wheel and workpiece support three mechanisms constitute, wherein grinding wheel actually undertakes the work of grinding, adjusting wheel controls the rotation of workpiece, and controls the feed speed of workpiece, and as for workpiece support, it is the support of workpiece during grinding.

[0003] The centerless grinding machine commonly seen in current market is mostly similar in structure, wherein the adjustment of grinding wheel is mostly adjusted by inclined hydraulic cylinder or electric cylinder, the path of adjustment is fixed, cannot be flexibly fine positioning according to the outer diameter size of workpiece, does not have the function of facilitating fine positioning.

[0004] Now, a new type of centerless grinding machine with fine positioning mechanism is proposed to solve the above problems. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a centerless grinding machine with fine positioning mechanism to solve the problem of not having the function of facilitating fine positioning in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a centerless grinding machine with fine positioning mechanism, including bottom cabinet, the upper of bottom cabinet is provided with grinding wheel outer shell, the inside of grinding wheel outer shell right side is movably connected with polishing grinding wheel, the right of grinding wheel outer shell is provided with guide wheel bearing table, the left side of guide wheel bearing table is welded with guide wheel outer shell, the inside of guide wheel outer shell is movably connected with plastic adjusting wheel, the rear end of grinding wheel outer shell and guide wheel outer shell is installed with driving motor, the middle position of bottom cabinet top is fixedly connected with material supporting plate, the four corner places of bottom cabinet bottom are respectively fixedly connected with foot base, the top of bottom cabinet is provided with the adjusting assembly of facilitating fine positioning grinding wheel.

[0007] The adjusting assembly comprises eight groups of slide rails, the eight groups of slide rails are fixedly connected at the left and right sides of the top of the bottom cabinet respectively, a left fixing plate is fixedly connected to the left side of the bottom cabinet, two groups of first electric cylinders are installed on the left side of the left fixing plate, a right fixing plate is fixedly connected to the right side of the bottom cabinet, two groups of third electric cylinders are installed on the right side of the right fixing plate, a first bearing plate is arranged below the grinding wheel cover shell, four groups of guide rods are welded at the front and rear ends of the top of the first bearing plate respectively, a guide plate is welded at the bottom end of the grinding wheel cover shell, four groups of guide holes are arranged at the front and rear ends of the bottom of the guide plate respectively, second electric cylinders are installed at the front and rear ends of the top of the guide plate respectively, a second bearing plate is fixedly connected to the bottom end of the guide wheel bearing table, and four groups of slide sleeves are fixedly connected to the bottom ends of the first bearing plate and the second bearing plate respectively.

[0008] As a further technical scheme of the utility model, the output end of the first electric cylinder is connected with the left side of the first bearing plate, and the output end of the third electric cylinder is connected with the right side of the second bearing plate.

[0009] As a further technical scheme of the utility model, the shape and size of the inside of the slide sleeve are matched with the shape and size of the outside of the slide rail, and the slide sleeve can slide left and right along the outside of the slide rail.

[0010] As a further technical scheme of the utility model, the outer diameter of the guide rod is consistent with the inner diameter of the guide hole, and the output end of the second electric cylinder is connected with the top end of the first bearing plate.

[0011] As a further technical scheme of the utility model, a water collecting groove is fixedly connected to the left side of the top of the second bearing plate, a drain port is fixedly connected to the rear end of the water collecting groove, a spray pipe is fixedly connected to the top end of the water collecting groove, and a plurality of spray nozzles are fixedly connected to the top end of the spray pipe in a slanting manner.

[0012] As a further technical scheme of the utility model, the inside of the water collecting groove and the drain port is connected, and the top end of the spray nozzle is lower than the bottom end of the plastic adjusting wheel.

[0013] As a further technical scheme of the utility model, a groove is arranged at the bottom end of the foot base, fourth electric cylinders are installed at the four corners of the inside bottom end of the bottom cabinet respectively, and a push plate is fixedly connected to the output end of the fourth electric cylinder.

[0014] As a further technical scheme of the utility model, the bottom end of the fourth electric cylinder penetrates the inside of the bottom cabinet and the foot base, and the fourth electric cylinders are symmetrically distributed about the vertical center line of the bottom cabinet.

[0015] Compared with the prior art, the heartless grinding machine with the fine positioning mechanism has the advantages that: the heartless grinding machine with the fine positioning mechanism not only has the function of facilitating fine positioning, but also has the functions of facilitating cleaning of the adjusting wheel and heightening the bottom corner.

[0016] (1) By setting left fixed plate, first electric cylinder, slide rail, sliding sleeve, first bearing plate, guide rod, guide plate, guide hole, second electric cylinder, right fixed plate, third electric cylinder and second bearing plate, when using, the workpiece is horizontally placed on the material supporting plate, the polishing grinding wheel and the plastic adjusting wheel are located left and right of the workpiece, the grinding wheel rotates at high speed for grinding, the guide wheel rotates at a slower speed in the same direction to drive the workpiece to rotate for circular feed, according to the size specification of the workpiece, the height position of the polishing grinding wheel can be adjusted, the first electric cylinder and the third electric cylinder can be extended or retracted to pull the first bearing plate and the second bearing plate to slide and displace left and right along the slide rail through the sliding sleeve, thereby changing the distance between the polishing grinding wheel and the plastic adjusting wheel, the third electric cylinder extends downward to push the guide plate to displace up and down along the guide rod on the top of the first bearing plate through the reaction force, thereby changing the working height of the polishing grinding wheel, the size of the workpiece and the polishing requirement can be flexibly fine-positioned, and the function of facilitating fine positioning is realized.

[0017] (2) By setting water collecting groove, drain port, spray pipe and nozzle, when using, in the polishing process, fine powder dust adheres to the surface of the plastic adjusting wheel, the water pump is connected to the pipe opening at the end of the spray pipe, the water pipe is connected to the drain port behind the water collecting groove, the nozzle on the spray pipe sprays high-speed water mist to the bottom of the plastic adjusting wheel, and the surface of the plastic adjusting wheel is washed, the water collecting groove collects sewage and discharges the sewage through the drain port, and the function of facilitating cleaning of the adjusting wheel is realized.

[0018] (3) By setting foot base, groove, fourth electric cylinder and push plate, when using, the foot base supports the ground, when the equipment shakes, the suspended foot base is found, the fourth electric cylinder at the corresponding position is started, the fourth electric cylinder pushes the push plate to press down, the push plate moves down from the groove and abuts against the ground, and when the equipment does not shake, the fourth electric cylinder is closed to stop extension, and the function of heightening the bottom corner is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a top view structural schematic diagram of the utility model;

[0021] Figure 3 It is a Figure 1 It is a local section enlarged structural schematic diagram of A in the utility model;

[0022] Figure 4 It is a guide plate top view structural schematic diagram of the utility model;

[0023] Figure 5 It is the partial front view section enlarged structure schematic diagram of the bottom cabinet body of the utility model.

[0024] In the drawing: 1, bottom cabinet body; 2, left side fixed plate; 3, first electric cylinder; 4, slide rail; 5, slide sleeve; 6, first bearing plate; 7, guide rod; 8, guide plate; 9, guide hole; 10, second electric cylinder; 11, right side fixed plate; 12, third electric cylinder; 13, second bearing plate; 14, grinding wheel outer shell; 15, polishing grinding wheel; 16, driving motor; 17, guide wheel outer shell; 18, plastic adjusting wheel; 19, guide wheel bearing table; 20, water receiving groove; 21, drainage opening; 22, spray pipe; 23, spray nozzle; 24, material supporting plate; 25, foot base; 26, groove; 27, fourth electric cylinder; 28, push plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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.

[0026] Embodiment: please refer to Figures 1-5 A centerless grinding machine with fine positioning mechanism, including bottom cabinet body 1, the upper portion of bottom cabinet body 1 is provided with grinding wheel outer shell 14, the inside of the right side of grinding wheel outer shell 14 is movably connected with polishing grinding wheel 15, the right side of grinding wheel outer shell 14 is provided with guide wheel bearing table 19, the left side of guide wheel bearing table 19 is welded with guide wheel outer shell 17, the inside of guide wheel outer shell 17 is movably connected with plastic adjusting wheel 18, the rear end of grinding wheel outer shell 14 and guide wheel outer shell 17 is installed with driving motor 16, the middle position of the top end of bottom cabinet body 1 is fixedly connected with material supporting plate 24, the four corners of the bottom end of bottom cabinet body 1 are respectively fixedly connected with foot base 25, the top end of bottom cabinet body 1 is provided with the adjusting assembly for fine positioning grinding wheel;

[0027] Please refer to Figures 1-5The centerless grinding machine with fine positioning mechanism also comprises an adjusting assembly, the adjusting assembly comprises eight groups of slide rails 4, the eight groups of slide rails 4 are fixedly connected at the left side and the right side of the top of the bottom cabinet 1 respectively, a left fixing plate 2 is fixedly connected to the left side of the bottom cabinet 1, two groups of first electric cylinders 3 are installed at the left side of the left fixing plate 2, a right fixing plate 11 is fixedly connected to the right side of the bottom cabinet 1, two groups of third electric cylinders 12 are installed at the right side of the right fixing plate 11, a first bearing plate 6 is arranged below the grinding wheel outer cover 14, four groups of guide rods 7 are welded at the front end and the rear end of the top of the first bearing plate 6 respectively, a guide plate 8 is welded at the bottom end of the grinding wheel outer cover 14, four groups of guide holes 9 are arranged at the front end and the rear end of the bottom of the guide plate 8 respectively, second electric cylinders 10 are installed at the front end and the rear end of the top of the guide plate 8 respectively, a second bearing plate 13 is fixedly connected to the bottom end of the guide wheel bearing table 19, four groups of slide sleeves 5 are fixedly connected to the bottom end of the first bearing plate 6 and the second bearing plate 13 respectively;

[0028] The output end of the first electric cylinder 3 is connected to the left side of the first bearing plate 6, the output end of the third electric cylinder 12 is connected to the right side of the second bearing plate 13, the shape and size of the inside of the slide sleeve 5 are matched with the shape and size of the outside of the slide rail 4, the slide sleeve 5 can slide left and right along the outside of the slide rail 4, the outer diameter of the guide rod 7 is consistent with the inner diameter of the guide hole 9, the output end of the second electric cylinder 10 is connected to the top end of the first bearing plate 6, which facilitates fine positioning of the grinding wheel;

[0029] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the first electric cylinder 3 and the third electric cylinder 12 extend or retract, which can pull the first bearing plate 6 and the second bearing plate 13 to slide and displace left and right along the slide rail 4 through the slide sleeve 5, thereby changing the distance between the grinding wheel 15 and the plastic adjusting wheel 18, the third electric cylinder 12 extends downward, which can push the guide plate 8 to displace up and down along the guide rod 7 at the top of the first bearing plate 6 through the reaction force, thereby changing the working height of the grinding wheel 15, and the fine positioning can be flexibly adjusted according to the size of the workpiece and the grinding requirement.

[0030] A water collecting groove 20 is fixedly connected to the left side of the top of the second bearing plate 13, a drainage port 21 is fixedly connected to the rear end of the water collecting groove 20, a spray pipe 22 is fixedly connected to the top end of the water collecting groove 20, a plurality of nozzles 23 are fixedly connected to the top end of the spray pipe 22 obliquely, the inside of the water collecting groove 20 and the drainage port 21 is communicated, the top end of the nozzle 23 is lower than the bottom end of the plastic adjusting wheel 18, which facilitates cleaning of the adjusting wheel;

[0031] Specifically, as shown in Figure 1 and Figure 2As shown, the water pump is connected to the nozzle at the end of the spray pipe 22, the water pipe is connected to the drain 21 at the back of the water tank 20, the nozzle 23 on the spray pipe 22 sprays high-speed water mist to the bottom of the plastic adjusting wheel 18, washes the surface of the debris, the water tank 20 receives sewage and is discharged through the drain 21.

[0032] The bottom end of the foot base 25 is provided with a groove 26, and four fourth electric cylinders 27 are respectively installed at the four corners of the inner bottom end of the bottom cabinet 1.

[0033] Specifically, as shown in Figure 1 and Figure 5 , find the floating foot base 25, start the corresponding position of the fourth electric cylinder 27, the fourth electric cylinder 27 pushes the push plate 28 to press down, the push plate 28 moves down from the groove 26 and tightly abuts against the ground, and the device does not shake, that is, the fourth electric cylinder 27 is closed to stop extension.

[0034] Working principle: when the utility model is used, first, the workpiece is horizontally placed on the material supporting plate 24, the grinding wheel 15 and the plastic adjusting wheel 18 are located on the left and right of the workpiece, the grinding wheel rotates at high speed for grinding, the guide wheel rotates at a slow speed in the same direction to drive the workpiece to rotate for circular feed, according to the size specification of the workpiece, the height position of the grinding wheel 15 can be adjusted, the first electric cylinder 3 and the third electric cylinder 12 are extended or retracted to pull the first bearing plate 6 and the second bearing plate 13 to slide and displace left and right along the slide rail 4 through the sliding sleeve 5, thereby changing the distance between the grinding wheel 15 and the plastic adjusting wheel 18, the third electric cylinder 12 extends downward to push the guide plate 8 to displace up and down along the guide rod 7 on the top of the first bearing plate 6 through reaction force, thereby changing the working height of the grinding wheel 15, and the position can be finely adjusted according to the size of the workpiece and the grinding requirement.

[0035] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming 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 claims concerned.

Claims

1. A centerless grinding machine with fine positioning mechanism, comprising a bottom cabinet (1), characterized in that: The bottom cabinet (1) is provided with a grinding wheel cover shell (14), the inside of the right side of the grinding wheel cover shell (14) is movably connected with a grinding wheel (15), the right side of the grinding wheel cover shell (14) is provided with a guide wheel bearing table (19), the left side of the guide wheel bearing table (19) is welded with a guide wheel cover shell (17), the inside of the guide wheel cover shell (17) is movably connected with a plastic adjusting wheel (18), the rear end of the grinding wheel cover shell (14) and the guide wheel cover shell (17) is provided with a driving motor (16), the middle position of the top end of the bottom cabinet (1) is fixedly connected with a material supporting plate (24), the bottom end of the bottom cabinet (1) is fixedly connected with a foot base (25) at four corners, respectively, the top end of the bottom cabinet (1) is provided with an adjusting assembly for fine adjustment and positioning of the grinding wheel; The adjusting assembly comprises eight groups of slide rails (4), the left and right sides of the top of the bottom cabinet (1) are fixedly connected with eight groups of slide rails (4), the left side of the bottom cabinet (1) is fixedly connected with a left fixed plate (2), the left side of the left fixed plate (2) is provided with two groups of first electric cylinders (3), the right side of the bottom cabinet (1) is fixedly connected with a right fixed plate (11), the right side of the right fixed plate (11) is provided with two groups of third electric cylinders (12), the bottom of the grinding wheel cover shell (14) is provided with a first bearing plate (6), the front and rear ends of the top of the first bearing plate (6) are welded with four groups of guide rods (7), the bottom end of the grinding wheel cover shell (14) is welded with a guide plate (8), the front and rear ends of the bottom of the guide plate (8) are provided with four groups of guide holes (9), the front and rear ends of the top of the guide plate (8) are provided with second electric cylinders (10), the bottom end of the guide wheel bearing table (19) is fixedly connected with a second bearing plate (13), the bottom ends of the first bearing plate (6) and the second bearing plate (13) are fixedly connected with four groups of slide sleeves (5).

2. The centerless grinding machine with fine positioning mechanism according to claim 1, characterized in that: The output end of the first electric cylinder (3) is connected with the left side of the first bearing plate (6), and the output end of the third electric cylinder (12) is connected with the right side of the second bearing plate (13).

3. The centerless grinding machine with fine positioning mechanism according to claim 1, characterized in that: The shape and size of the inside of the slide sleeve (5) are matched with the shape and size of the outside of the slide rail (4), and the slide sleeve (5) can slide left and right along the outside of the slide rail (4).

4. The centerless grinding machine with fine positioning mechanism according to claim 1, characterized in that: The outer diameter of the guide rod (7) is consistent with the inner diameter of the guide hole (9), and the output end of the second electric cylinder (10) is connected with the top end of the first bearing plate (6).

5. The centerless grinding machine with fine positioning mechanism according to claim 1, characterized in that: The left side of the top of the second bearing plate (13) is fixedly connected with a water collecting groove (20), the rear end of the water collecting groove (20) is fixedly connected with a drain port (21), the top end of the water collecting groove (20) is fixedly connected with a spray pipe (22), and the top end of the spray pipe (22) is fixedly connected with a plurality of nozzles (23) in a diagonal direction.

6. The centerless grinding machine with fine positioning mechanism according to claim 5, characterized in that: The inside of the water collecting groove (20) and the drain port (21) is communicated, and the top end of the nozzle (23) is lower than the bottom end of the plastic adjusting wheel (18).

7. The centerless grinding machine with fine positioning mechanism according to claim 1, characterized in that: The bottom end of the foot base (25) is provided with a groove (26), four corners of the inner bottom end of the bottom cabinet body (1) are respectively provided with fourth electric cylinders (27), and output ends of the fourth electric cylinders (27) are fixedly connected with push plates (28).

8. The centerless grinding machine with fine positioning mechanism according to claim 7, characterized in that: The bottom end of the fourth electric cylinder (27) penetrates the inside of the bottom cabinet body (1) and the foot base (25), and the fourth electric cylinders (27) are symmetrically distributed about the vertical center line of the bottom cabinet body (1).

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