CN104493651B - A new type of cylindrical grinding device - Google Patents

Abstract

The invention discloses a novel external cylindrical grinding device, comprising: a base frame, a connecting plate arranged on the base frame, a workpiece rotating unit arranged on the connecting plate, a working unit arranged on one side of the connecting plate, a grinding wheel arranged on the working unit, and a control cabinet fixedly arranged on the base frame. The invention adopts a vertical clamping structure, which is convenient for centering, has high processing efficiency and processing accuracy, and is convenient and practical.

Description

A new type of cylindrical grinding device

Technical field:

The invention relates to the technical field of mechanical processing, and more specifically relates to a cylindrical grinding device.

Background technique:

The cylindrical grinding device is a device for processing the outer surface and the shaft shoulder end surface of the cylindrical, conical or other shapes of the workpiece. Existing cylindrical grinding devices generally adopt a horizontal clamping structure, which needs to be centered before processing to ensure that the ground surface meets the accuracy requirements, and when the existing cylindrical grinding device clamps the workpiece, Only one workpiece can be clamped at a time. After processing, remove the processed workpiece from the fixture and install a new workpiece for processing. Every time the workpiece is clamped, it needs to be re-centered, which is time-consuming and laborious, and the processing efficiency and processing accuracy are low.

Invention content:

The purpose of the present invention is to provide a new type of cylindrical grinding device for the deficiencies of the prior art, which adopts a vertical clamping structure, is convenient for centering, has high processing efficiency and precision, and is convenient and practical.

The technical solutions of the present invention are as follows: a novel cylindrical grinding device comprising:

The base frame includes an upper plate, a lower plate and a pillar, and the upper plate and the lower plate are respectively fixed on the top end surface and the bottom end surface of the pillar;

a connecting plate fixedly arranged on the top surface of the upper plate;

The workpiece rotating unit is arranged on the connecting plate, and at least one workpiece rotating unit is arranged on the connecting plate, and the workpiece rotating unit includes a turntable arranged on the top surface of the connecting plate, and the bottom end of the turntable A turntable motor connected face to face, and a clamping unit fixedly arranged on the central axis of the turntable, the turntable motor is fixedly arranged on the lower plate, and its output shaft is connected to a turntable, and the turntable is driven by the turntable motor Drive the workpiece to rotate, and the workpiece is sleeved on the turntable through the clamping unit, wherein the turntable motor is connected to the control cabinet through a line;

A working unit, which is arranged on the base frame, and the working unit includes a second motor fixedly arranged on the lower plate, a support frame connected with the output shaft of the second motor, and a support frame arranged on the support frame The screw on the top, the ball screw motor connected to one end of the screw, the nut sleeved on the screw, the connecting rod fixedly connected to the nut, and the grinding wheel set at one end of the connecting rod by the first motor bracket, the output shaft of the second motor passes through the upper plate and is connected to the bottom end surface of the support frame, the ball screw motor is fixedly arranged on the top of the support frame, and the first motor is fixedly arranged on the On the top end surface of the connecting rod, wherein, the second motor, the ball screw motor and the first motor are all connected to the control cabinet through lines;

a grinding wheel, which is fixedly arranged on the grinding wheel bracket and arranged coaxially with the output shaft of the first motor;

The control cabinet is fixedly arranged on the base frame.

As a preference of the above technical solution, the clamping unit includes a column fixed on the turntable, a pressing block with one end hinged to the column, a spring fixedly connected to the column at one end, and the upper part of the column A groove is provided, the lower part is provided with a hinged end, one end of the pressing block is hinged to the hinged end, one end of the spring is fixedly arranged in the groove, and the other end of the spring is connected to the pressing block The other end is fixedly connected, wherein, the hinged end and the groove are located on the same generatrix of the column.

As a preference of the above technical solution, a proximity switch sensor is fixedly arranged on the connecting plate, and the proximity switch sensor is connected to the control cabinet through a line.

As a preference of the above technical solution, two proximity switch sensors are fixedly arranged on the connection board, and the proximity switch sensors are arranged at an interval of 180°.

As a preference of the above technical solution, the workpiece rotating units are distributed on the connecting plate at equal intervals.

As a preference of the above technical solution, the grinding wheel bracket is provided with several threaded holes, and the grinding wheel is provided with through holes corresponding to the threaded holes, and the grinding wheel bracket and the grinding wheel are fixedly connected by bolts .

As a preference of the above technical solution, one end of the pressing block is hinged to the hinged end of the column through a pin.

The beneficial effects of the present invention are: a connecting plate is fixedly arranged on the base frame, and a workpiece rotating unit is arranged on the connecting plate. The workpiece rotating unit includes a turntable, a turntable motor and a clamping unit. On the turntable, the turntable drives the workpiece to rotate under the drive of the turntable motor. Since the workpiece adopts a vertical clamping structure, it can be centered by the gravity of the workpiece itself. The centering is convenient, the clamping effect is good, and the machining accuracy High; multiple workpieces can be placed on the connecting plate for cylindrical grinding processing at one time, with high work efficiency and suitable for mass production;

The nut of the working unit can move up and down along the screw under the drive of the ball screw motor, so as to realize the up and down movement of the grinding wheel, and the grinding wheel bracket of the working unit rotates on the connecting rod under the drive of the first motor, so as to realize the rotation of the grinding wheel; The supporting frame of the working unit rotates on the base frame driven by the second motor. When the work is finished, the grinding wheel and the grinding wheel bracket can be rotated to one side, which is convenient for the worker to take off the workpiece.

Description of drawings:

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic structural view of the side view direction of Fig. 1;

Fig. 3 is the structural relationship diagram between the pedestal and the workpiece rotating unit of the present invention;

Fig. 4 is the structural representation of the pedestal of the present invention;

Fig. 5 is the structural representation of the workpiece rotation unit of the present invention;

Fig. 6 is a schematic structural view of the clamping unit of the present invention;

Fig. 7 is a schematic structural diagram of the working unit of the present invention.

In the figure, 10, base frame; 11, upper plate; 12, lower plate; 13, pillar; 20, connecting plate; 30, workpiece rotation unit; 31, turntable; 32, turntable motor; 33, clamping unit; 331, Column; 332, pressing block; 333, spring; 40, grinding wheel; 50, working unit; 51, ball screw motor; 52, screw; 53, nut; 54, connecting rod; 55, first motor; 56, grinding wheel support 57, support frame; 58, second motor; 60, control cabinet; 70, workpiece; 80, proximity switch sensor.

detailed description:

Embodiment: The embodiment of the present invention is illustrated by specific specific examples below. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The descriptions "below", "top", "bottom", etc. are defined in the usual sense, e.g., with reference to the definition of the direction of gravity, the direction of gravity is below, the opposite direction is above, similarly above is top Or the top, and what is below is the bottom or the bottom; the descriptions of "first" and "second" are for the convenience of description, and have nothing to do with the importance of parts, nor are they intended to limit the scope of the present invention. The change or adjustment of the relative relationship shall also be regarded as the implementable scope of the present invention without substantive change in the technical content.

A new type of cylindrical grinding device, comprising:

As shown in Figures 3 and 4, the base frame 10 includes an upper deck 11, a lower deck 12 and a pillar 13, and the upper deck 11 and the lower deck 12 are respectively fixed on the top end surface and the bottom end surface of the pillar 13. .

As shown in FIG. 1 and FIG. 2 , the connecting plate 20 is fixedly arranged on the top surface of the upper plate 11 .

As shown in Fig. 5, the workpiece rotation unit 30 is arranged on the connecting plate 20, and at least one workpiece rotating unit 30 is arranged on the connecting plate 20, and the workpiece rotating units 30 are distributed at equal intervals on the connecting plate 20. On the board 20, four workpiece rotation units 30 are arranged in the drawings of this embodiment, and the number of the workpiece rotation units 30 is determined according to actual usage conditions. The workpiece rotation unit 30 includes a turntable 31 arranged on the top surface of the connecting plate 20, a turntable motor 32 connected to the bottom end surface of the turntable 31, and a clamping unit 33 fixedly arranged on the central axis of the turntable 31. , the turntable motor 32 is fixedly arranged on the lower plate 12, and its output shaft is connected with a turntable 31, and the turntable 31 drives the workpiece 70 to rotate under the drive of the turntable motor 32, and the workpiece 70 passes through the clamp The tightening unit 33 is sleeved on the turntable 31, and the turntable motor 32 is connected to the control cabinet 60 through a line. As shown in FIG. 6 , the clamping unit 33 includes a column 331 fixedly arranged on the turntable 31 , a pressing block 332 with one end hinged to the column 331 , a spring 333 fixedly connected to the column 331 at one end, The upper part of the column 331 is provided with a groove, and the lower part is provided with a hinged end, one end of the pressing block 332 is hinged with the hinged end, one end of the spring 333 is fixedly arranged in the groove, and the spring The other end of 333 is fixedly connected with the other end of the pressing block 332, wherein, the hinged end and the groove are located on the same busbar of the column, and one end of the pressing block 332 is connected to the column through a pin The hinged ends of 331 are hinged. The clamping unit 33 fastens the workpiece 70 on the turntable 31 by the elastic force of the spring 333 .

As shown in Figure 7, the working unit 50 is arranged on the base frame 10, the working unit 50 includes a second motor 58 fixedly arranged on the lower board 12, and an output of the second motor 58 The support frame 57 connected to the shaft, the screw rod 52 arranged on the support frame 57, the ball screw motor 51 connected to one end of the screw rod 52, the nut 53 sleeved on the screw rod 52, and the nut 53 The connecting rod 54 that is fixedly connected, the grinding wheel bracket 56 that is arranged on one end of the connecting rod 54 is rotated by the first motor 55, and the output shaft of the second motor 58 passes through the bottom of the upper plate 11 and the support frame 57 The end surfaces are connected, the ball screw motor 51 is fixedly arranged on the top of the support frame 57, and the first motor 55 is fixedly arranged on the top surface of the connecting rod 54, wherein the second motor 58, the Both the ball screw motor 51 and the first motor 55 are connected to the control cabinet 60 through lines.

As shown in Figures 1 and 2, the grinding wheel 40 is fixedly arranged on the grinding wheel bracket 56 and coaxially arranged with the output shaft of the first motor 55, and the grinding wheel bracket 56 is provided with several threaded holes , the grinding wheel 40 is provided with through holes corresponding to the threaded holes, and the grinding wheel bracket 56 is fixedly connected to the grinding wheel 40 by bolts. The control cabinet 60 is fixedly arranged on the base frame 10; the connection plate 20 is fixedly provided with a proximity switch sensor 80, and the proximity switch sensor 80 is connected to the control cabinet 60 through a line. In this embodiment, Two proximity switch sensors 80 are fixedly arranged on the connecting plate 20 , and the proximity switch sensors 80 are arranged at an interval of 180°.

During use, the control cabinet 60 drives the turntable motor 32 to rotate, and the turntable 31 drives the workpiece 70 to rotate under the drive of the turntable motor 32, and then drives the nut 53 to move through the ball screw motor 51 to adjust the grinding wheel 40 to an appropriate working height , drive the first motor 55 to grind the workpiece 70, when the grinding wheel 40 approaches the turntable 31, that is, when the grinding is completed, the proximity switch sensor 80 sends a signal to the control cabinet 60, and the control cabinet 60 controls the ball screw motor 51 to reverse At this time, the nut 53 moves upwards. After rising to a certain height, the ball screw motor 51 stops, and the second motor 58 rotates to turn the grinding wheel 40 to a position that does not affect the removal of the workpiece 70. Finally, the processed workpiece 70 remove.

The examples are used to illustrate the present invention, but not to limit the present invention. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be listed in the claims of the present invention.

Claims (5)

1. a kind of Novel cylindrical mill apparatus, it is characterised in that include：

Pedestal (10), it include top plate (11), lower plywood (12) and pillar (13), Top plate (11) and lower plywood (12) are respectively fixedly disposed at the pillar (13) On top end face and bottom face；

Connecting plate (20), which is fixedly installed on the top end face of the top plate (11)；

Workpiece rotary unit (30), its are arranged on the connecting plate (20), the connection At least provided with a workpiece rotary unit (30), the workpiece rotary unit on plate (20) (30) include to be arranged on rotating disk (31) on the connecting plate (20) top end face with described Rotary tray motor (32) that rotating disk (31) bottom face is connected, it is fixedly installed on the rotating disk (31) Clamping unit (33) on central axis, rotary tray motor (32) are fixedly installed on described On lower plywood (12), output shaft is connected with rotating disk (31), and rotating disk (31) are described The driving lower band of rotary tray motor (32) start building part (70) rotation, workpiece (70) pass through Clamping unit (33) are set on the rotating disk (31), wherein, the rotary tray motor (32) it is connected with switch board (60) by circuit；

Working cell (50), its are arranged on the pedestal (10), working cell (50) Including the second motor (58) and described second being fixedly installed on the lower plywood (12) The output shaft connected bracing frame (57) of motor (58), it is arranged on support frame as described above (57) On screw rod (52) ball-screw motor (51) connected with the screw rod (52) one end, The nut (53) being set on the screw rod (52) is fixedly connected with the nut (53) Connecting rod (54), the connecting rod (54) is rotatably arranged on by the first motor (55) The stone holder (56) of one end, the output shaft of the second motor (58) run through the upper strata Plate (11) is connected with the bottom face of support frame as described above (57), ball-screw motor (51) The top of support frame as described above (57) is fixedly installed on, the first motor (55) are fixedly installed On the top end face of the connecting rod (54), wherein, described second motor (58), described Ball-screw motor (51) and first motor (55) are all by circuit and the switch board (60) it is connected；

Emery wheel (40), it is upper and with described first which is fixedly installed on the stone holder (56) The output shaft of motor (55) is coaxially disposed；

Switch board (60), its are fixedly installed on the pedestal (10)；

Described clamping unit (33) include the column being fixedly installed on the rotating disk (31) (331) briquetting (332), one end and institute that, one end is hinged with the column (331) The spring (333) that column (331) is fixedly linked is stated, the top of column (331) is arranged Fluted, bottom is provided with hinged end, and the one end of briquetting (332) is hinged with described End is hinged, and the one end of spring (333) is fixedly installed in the groove, the bullet The other end of spring (333) is fixedly connected with the other end of the briquetting (332), wherein, The hinged end is located at the groove on the same bus of the column；

It is fixedly installed approach switch sensor (80) on connecting plate (20), described connects Nearly switch sensor (80) is connected with the switch board (60) by circuit.

2. Novel cylindrical mill apparatus according to claim 1, it is characterised in that：The company It is fixedly installed on fishplate bar (20) two approach switch sensor (80), described being close to is opened Close between sensor (80) and be separated by 180 ° of settings.

3. Novel cylindrical mill apparatus according to claim 1, it is characterised in that：The work Part rotary unit (30) is distributed on the connecting plate (20) at equal intervals.

4. Novel cylindrical mill apparatus according to claim 1, it is characterised in that：The sand Be provided with some screwed holes on wheel carrier bracker (56), be provided with emery wheel (40) with described The corresponding through hole of screwed hole, stone holder (56) pass through spiral shell with the emery wheel (40) Bolt is fixedly connected.

5. Novel cylindrical mill apparatus according to claim 1, it is characterised in that：Described Hinged end of the one end of briquetting (332) by bearing pin with the column (331) is hinged.