阅读说明：本技术 一种无心磨床 (Centerless grinding machine ) 是由 邓阳波 张义普 胡总友 杨维 邓永波 于 2020-07-27 设计创作，主要内容包括：本发明涉及无心磨床技术领域,尤其涉及一种无心磨床,解决现有技术中存在使用寿命短、冷却效果差、影响工作环境、浪费资源的缺点,包括机床,所述机床的顶部固定设置有工作台,所述工作台的顶部分别通过沉头螺栓固定有托架和支架,所述支架上分别设置有磨削机构和冷却装置,所述工作台上分别设置有调整机构和回收装置；通过凸轮、推杆、弧形槽、滑动板、冷却水箱以及喷头等结构的设置,在进行磨削过程中,驱动主轴经传动机构同时带动凸轮和砂轮转动,一方面砂轮可对工件进行磨削处理,另一方面在凸轮的推动下使得喷头沿着弧形槽滑移在不同角度对磨削处进行均匀喷洒,降低了砂轮的磨损,延迟了装置的使用寿命。(The invention relates to the technical field of centerless grinding machines, in particular to a centerless grinding machine, which solves the defects of short service life, poor cooling effect, influence on working environment and resource waste in the prior art and comprises a machine tool, wherein a workbench is fixedly arranged at the top of the machine tool, a bracket and a support are respectively fixed at the top of the workbench through countersunk bolts, a grinding mechanism and a cooling device are respectively arranged on the support, and an adjusting mechanism and a recovery device are respectively arranged on the workbench; through the setting of cam, push rod, arc wall, sliding plate, coolant tank and shower nozzle isotructure, carrying out the grinding in-process, the drive spindle drives cam and emery wheel rotation simultaneously through drive mechanism, and the emery wheel can carry out grinding treatment to the work piece on the one hand, and on the other hand makes the shower nozzle slide along the arc wall and evenly sprays at different angles to grinding department under the promotion of cam, has reduced the wearing and tearing of emery wheel, has postponed the life of device.)

1. A centerless grinding machine comprises a machine tool (1) and is characterized in that a workbench (2) is fixedly arranged at the top of the machine tool (1), a bracket (4) and a support (8) are respectively fixed at the top of the workbench (2) through countersunk bolts, a grinding mechanism (3) and a cooling device (6) are respectively arranged on the support (8), and an adjusting mechanism (5) and a recovery device (7) are respectively arranged on the workbench (2);

the grinding mechanism (3) comprises a driving main shaft (31), a first synchronous belt mechanism (32) and a grinding wheel (33), the driving main shaft (31) and the grinding wheel (33) are both arranged on one side of the support (8), and the driving main shaft (31) is connected with the grinding wheel (33) through the first synchronous belt mechanism (32);

the adjusting mechanism (5) comprises a protective cover (51), the protective cover (51) is assembled on the top of the workbench (2) in a sliding mode, an inner groove (53), an abdicating groove (55) and a sliding groove (56) which are communicated with each other are formed in the protective cover (51), mounting plates (52) are assembled in the sliding groove (56) in a sliding mode, an adjusting wheel (54) is rotatably mounted between the two mounting plates (52), and the bottom wall of the inner groove (53) is inclined;

the cooling device (6) comprises a water tank mounting frame (61), a cooling water tank (62) is arranged at the top of the water tank mounting frame (61), an arc-shaped groove is formed in the bottom of the water tank mounting frame (61), a sliding plate (63) is connected onto the arc-shaped groove in a sliding mode, a spray head (19) is fixedly mounted at the end portion of the sliding plate (63) through screws, and a sliding block (18) is arranged on one side of the sliding plate (63) in a sliding mode;

the recovery device (7) comprises a liquid collecting box (71), a recovery channel (73) and a recovery box (74), wherein the liquid collecting box (71) is arranged inside the workbench (2) in a sliding mode, the recovery channel (73) is arranged on the workbench (2), a pull-type filter box (72) is arranged on one side of the recovery channel (73) in a sliding mode, and the recovery box (74) is fixed to the bottom of the workbench (2) through screws;

cam (12) is installed to one side of support (8), and one side of support (8) slides and is provided with push rod (14), the one end of push rod (14) pass through the screw with slider (18) activity hinge joint, gyro wheel (13) have been installed to the other end of push rod (14), gyro wheel (13) with one side of cam (12) is close to the contact, and the outside welding of push rod (14) has movable plate (10), one side activity hinge joint of movable plate (10) has connecting rod (9), the other end of connecting rod (9) with one side activity hinge joint of receiving liquid box (71).

2. A centerless grinding machine according to claim 1, characterized in that the work table (2) and the shield (51) are respectively provided with a first servo slide unit and a second servo slide unit, and the shield (51) and the mounting plate (52) are respectively slidably mounted on the first servo slide unit and the second servo slide unit.

3. The centerless grinder of claim 1, wherein the worktable (2) is provided with a slotted hole (21), and the liquid receiving box (71) is connected with the slotted hole (21) in a sliding manner.

4. The centerless grinding machine of claim 1, wherein a guide block (16) is fixed on one side of the bracket (8) through a countersunk screw, a guide hole is formed in the guide block (16), and the push rod (14) is embedded in the guide hole.

5. A centerless grinding machine as claimed in claim 4, characterized in that the push rod (14) is externally sleeved with a spring (15), and two ends of the spring (15) are fixedly connected with one side of the moving plate (10) and one side of the guide block (16), respectively.

6. A centerless grinding machine according to claim 1, characterized in that a second timing belt mechanism (11) is further sleeved outside the drive spindle (31), and the cam (12) is connected with the drive spindle (31) through the second timing belt mechanism (11).

7. A centerless grinding machine as claimed in claim 1, characterized in that a hose (64) is fixedly connected to one side of the cooling water tank (62), and the other end of the hose (64) is fixedly connected to the spray head (19).

8. The centerless grinder of claim 1, wherein one side of the sliding plate (63) is provided with a rectangular groove (17), and the sliding block (18) is slidably connected with the rectangular groove (17).

9. A centerless grinding machine as claimed in claim 3, characterized in that the recovery channel (73) communicates with the slot (21) and the recovery channel (73) is inclined.

Technical Field

The invention relates to the technical field of centerless grinding machines, in particular to a centerless grinding machine.

Background

A centerless grinder is a grinder which does not need to adopt the axle center positioning of a workpiece for grinding, and mainly comprises a grinding wheel, an adjusting wheel and a workpiece support, wherein the grinding wheel actually plays the role of grinding, the adjusting wheel controls the rotation of the workpiece and controls the feed speed of the workpiece, the workpiece support supports the workpiece during grinding, and the three parts can have a plurality of matching methods except for stopping grinding, and are the same in principle.

Disclosure of Invention

The invention aims to solve the defects of short service life, poor cooling effect, influence on working environment and resource waste in the prior art, and provides a centerless grinding machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

a centerless grinding machine comprises a machine tool, wherein a workbench is fixedly arranged at the top of the machine tool, a bracket and a support are respectively fixed at the top of the workbench through countersunk bolts, a grinding mechanism and a cooling device are respectively arranged on the support, and an adjusting mechanism and a recovery device are respectively arranged on the workbench;

the grinding mechanism comprises a driving main shaft, a first synchronous belt mechanism and a grinding wheel, the driving main shaft and the grinding wheel are both arranged on one side of the support, and the driving main shaft is connected with the grinding wheel through the first synchronous belt mechanism;

the adjusting mechanism comprises a protective cover, the protective cover is assembled at the top of the workbench in a sliding manner, an inner groove, a abdicating groove and a sliding groove which are communicated with each other are respectively formed in the protective cover, mounting plates are assembled in the sliding groove in a sliding manner, an adjusting wheel is rotatably arranged between the two mounting plates, and the bottom wall of the inner groove is inclined;

the cooling device comprises a water tank mounting frame, a cooling water tank is arranged at the top of the water tank mounting frame, an arc-shaped groove is formed in the bottom of the water tank mounting frame, a sliding plate is connected onto the arc-shaped groove in a sliding mode, a spray head is fixedly mounted at the end of the sliding plate through screws, and a sliding block is arranged on one side of the sliding plate in a sliding mode;

the recovery device comprises a liquid receiving box, a recovery channel and a recovery box, wherein the liquid receiving box is arranged inside the workbench in a sliding mode, the recovery channel is arranged on the workbench, a pull-type filter box is arranged on one side of the recovery channel in a sliding mode, and the recovery box is fixed to the bottom of the workbench through screws;

the liquid collecting box is characterized in that a cam is installed on one side of the support, a push rod is slidably arranged on one side of the support, one end of the push rod is movably hinged to the sliding block through a screw, an idler wheel is installed at the other end of the push rod, the idler wheel is close to one side of the cam and is in contact with one side of the cam, a movable plate is welded outside the push rod, a connecting rod is movably hinged to one side of the movable plate, and the other end of the connecting rod is movably hinged to.

Preferably, install first servo slip table device and second servo slip table device on workstation and the protective housing respectively, protective housing and mounting panel slidable mounting are respectively on first servo slip table device and second servo slip table device.

Preferably, the workbench is provided with a slotted hole, and the liquid receiving box is connected with the slotted hole in a sliding manner.

Preferably, a guide block is fixed on one side of the support through a countersunk screw, a guide hole is formed in the guide block, and the push rod is embedded in the guide hole.

Preferably, the outside cover of push rod is equipped with the spring, and the both ends of spring are respectively with one side fixed connection of movable plate and guide block.

Preferably, the outside of drive main shaft still overlaps and is equipped with second hold-in range mechanism, the cam passes through second hold-in range mechanism and couples with the drive main shaft.

Preferably, one side of the cooling water tank is fixedly connected with a hose, and the other end of the hose is fixedly connected with the spray head.

Preferably, a rectangular groove is formed in one side of the sliding plate, and the sliding block is connected with the rectangular groove in a sliding mode.

Preferably, the recycling channel is communicated with the slotted hole, and the recycling channel is inclined.

The invention has the beneficial effects that:

1. according to the invention, through the arrangement of the cam, the push rod, the arc-shaped groove, the sliding plate, the cooling water tank, the spray head and other structures, in the grinding process, the driving spindle drives the cam and the grinding wheel to rotate through the transmission mechanism, on one hand, the grinding wheel can grind a workpiece, on the other hand, under the pushing of the cam, the spray head slides along the arc-shaped groove at different angles to uniformly spray a grinding part, so that the uniform spraying of cooling liquid can be ensured, the abrasion of the grinding wheel is reduced, and the service life of the device is prolonged.

2. According to the invention, through the arrangement of the structures such as the protective cover, the adjusting wheel, the connecting rod, the movable plate, the liquid receiving box, the slotted hole and the recovery channel, the adjusting wheel is movably arranged on the protective cover, the protective cover is blocked at one side of a processing station during grinding, so that scraps can be prevented from splashing, meanwhile, after cooling liquid is sprayed, the cooling liquid can automatically flow into a mobile phone in the liquid receiving box through the inner groove, when the cam rotates for one circle, the liquid receiving box moves up and down once, the cooling liquid carrying the scraps is sent into the recovery channel to be filtered and collected, resources are saved, the scraps can be timely cleaned, the working environment is improved, and the manufacturing cost is reduced.

Drawings

Fig. 1 is a front view of a centerless grinding machine according to the present invention;

FIG. 2 is a front view of the shield of the present invention after actuation;

FIG. 3 is an enlarged view of a centerless grinder according to the present invention at reference numeral A;

fig. 4 is a top view of the shield according to the present invention.

In the figure: 1 machine tool, 2 working tables, 21 slotted holes, 3 grinding mechanisms, 31 driving spindles, 32 first synchronous belt mechanisms, 33 grinding wheels, 4 brackets, 5 adjusting mechanisms, 51 protective covers, 52 mounting plates, 53 inner grooves, 54 adjusting wheels, 55 abdicating grooves, 56 sliding grooves, 6 cooling devices, 61 water tank mounting frames, 62 cooling water tanks, 63 sliding plates, 64 hoses, 7 recovery devices, 71 liquid receiving boxes, 72 pull-out filter boxes, 73 recovery channels, 74 recovery boxes, 8 supports, 9 connecting rods, 10 moving plates, 11 second synchronous belt mechanisms, 12 cams, 13 rollers, 14 push rods, 15 springs, 16 guide blocks, 17 rectangular grooves, 18 sliding blocks and 19 spray heads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a centerless grinding machine comprises a machine tool 1, wherein a workbench 2 is fixedly arranged at the top of the machine tool 1, a bracket 4 and a support 8 are respectively fixed at the top of the workbench 2 through countersunk bolts, a grinding mechanism 3 and a cooling device 6 are respectively arranged on the support 8, and an adjusting mechanism 5 and a recovery device 7 are respectively arranged on the workbench 2; the grinding mechanism 3 comprises a driving main shaft 31, a first synchronous belt mechanism 32 and a grinding wheel 33, the driving main shaft 31 and the grinding wheel 33 are both arranged on one side of the support 8, and the driving main shaft 31 is connected with the grinding wheel 33 through the first synchronous belt mechanism 32; the adjusting mechanism 5 comprises a protective cover 51, the protective cover 51 is assembled on the top of the workbench 2 in a sliding manner, an inner groove 53, a relief groove 55 and a sliding groove 56 which are communicated with each other are respectively formed in the protective cover 51, an installing plate 52 is assembled in the sliding groove 56 in a sliding manner, an adjusting wheel 54 is rotatably installed between the two installing plates 52, and the bottom wall of the inner groove 53 is inclined; the cooling device 6 comprises a water tank mounting frame 61, a cooling water tank 62 is arranged at the top of the water tank mounting frame 61, an arc-shaped groove is formed in the bottom of the water tank mounting frame 61, a sliding plate 63 is connected onto the arc-shaped groove in a sliding manner, a spray head 19 is fixedly mounted at the end part of the sliding plate 63 through a screw, and a sliding block 18 is arranged on one side of the sliding plate 63 in a sliding manner; the recovery device 7 comprises a liquid receiving box 71, a recovery channel 73 and a recovery box 74, wherein the liquid receiving box 71 is arranged inside the workbench 2 in a sliding manner, the recovery channel 73 is arranged on the workbench 2, a pull-type filter box 72 is arranged on one side of the recovery channel 73 in a sliding manner, and the recovery box 74 is fixed at the bottom of the workbench 2 through screws; a cam 12 is installed on one side of a support 8, a push rod 14 is slidably arranged on one side of the support 8, one end of the push rod 14 is movably hinged to a sliding block 18 through a screw, a roller 13 is installed on the other end of the push rod 14, the roller 13 is close to and in contact with one side of the cam 12, a moving plate 10 is welded to the outer portion of the push rod 14, a connecting rod 9 is movably hinged to one side of the moving plate 10, and the other end of the connecting rod 9 is movably hinged to one side of a liquid receiving box.

Through the arrangement of the cam 12, the push rod 14, the arc-shaped groove, the sliding plate 63, the cooling water tank 62, the spray head 19 and other structures, in the grinding process, the driving main shaft 31 simultaneously drives the cam 12 and the grinding wheel 33 to rotate through the transmission mechanism, on one hand, the grinding wheel 33 can grind a workpiece, on the other hand, the spray head 19 slides along the arc-shaped groove under the pushing of the cam 12 to uniformly spray the grinding part at different angles, the uniform spraying of cooling liquid can be ensured, the abrasion of the grinding wheel 33 is reduced, the service life of the device is delayed, through the arrangement of the structures such as the protective cover 51, the adjusting wheel 54, the connecting rod 9, the moving plate 10, the liquid receiving box 71, the slotted hole 21, the recovery channel 73 and the like, the adjusting wheel 54 is movably arranged on the protective cover 51, the protective cover 51 is blocked at one side of a processing station during grinding, the splashing of chips can be avoided, and the cooling liquid can automatically flow, when the cam 12 rotates for one circle, the liquid collecting box 71 moves up and down once, and the cooling liquid carrying the fragments is sent into the recovery channel 73 to be filtered and collected, so that the resources are saved, the fragments can be cleaned in time, the working environment is improved, and the manufacturing cost is reduced.

In this embodiment, the first servo sliding table device and the second servo sliding table device are respectively installed on the workbench 2 and the protective cover 51, and the protective cover 51 and the mounting plate 52 are respectively installed on the first servo sliding table device and the second servo sliding table device in a sliding manner.

In this embodiment, the working table 2 is provided with a slot 21, and the liquid receiving box 71 is slidably connected with the slot 21.

In this embodiment, a guide block 16 is fixed to one side of the bracket 8 through a countersunk screw, a guide hole is formed in the guide block 16, and the push rod 14 is embedded in the guide hole.

In this embodiment, a spring 15 is sleeved outside the push rod 14, and two ends of the spring 15 are respectively fixedly connected to one side of the moving plate 10 and one side of the guide block 16.

In this embodiment, a second timing belt mechanism 11 is further sleeved outside the driving spindle 31, and the cam 12 is coupled to the driving spindle 31 through the second timing belt mechanism 11.

In this embodiment, a hose 64 is fixedly connected to one side of the cooling water tank 62, and the other end of the hose 64 is fixedly connected to the nozzle 19.

In this embodiment, a rectangular groove 17 is formed in one side of the sliding plate 63, and the sliding block 18 is slidably connected to the rectangular groove 17.

In this embodiment, the recycling channel 73 is communicated with the slot 21, and the recycling channel 73 is inclined.

The specific implementation process of the invention is as follows: when the automatic grinding machine works, the protective cover 51 slides under the driving of the first servo sliding table device, the bracket 4 penetrates through the abdicating groove 55, when the end face of the protective cover 51 is flush with the groove hole 21, the automatic grinding machine stops, then according to the size of a workpiece, the second servo sliding table device drives the mounting plate 52 to drive the adjusting wheel 54 to move to a proper position, a worker places the workpiece on the bracket 4, then the main shaft 31 is driven by the motor to start, the workpiece is ground under the matching of the grinding wheel 33 and the adjusting wheel 54, and the cooling water tank 62 continuously supplies cooling liquid to the spray nozzle 19 to spray and cool the ground part during grinding;

further, in the grinding process, the driving main shaft 31 drives the cam 12 to rotate simultaneously through the second synchronous belt mechanism 11, the cam 12 extrudes the push rod 14, so that the push rod 14 slides back and forth along the guide block 16, in the sliding process, the end part of the push rod 14 pushes the sliding block 18 to move, the sliding block 18 drives the sliding plate 63 to slide along the arc-shaped groove, in the sliding process of the sliding plate 63 along the arc-shaped groove, the sliding block 18 slides on the rectangular groove 17 in a self-adaptive manner, and thus the spray head 19 slides back and forth along the arc-shaped groove in the cooling liquid spraying process, so that the cooling liquid is uniformly sprayed;

besides, when the push rod 14 drives the moving plate 10 to move, the moving plate 10 further pushes the connecting rod 9 to rotate, the connecting rod 9 drives the liquid collecting box 71 to move up and down in the rotating process, a through hole is formed in one side of the liquid collecting box 71, when the liquid collecting box 71 slides downwards, the through hole is communicated with the recovery channel 73, redundant cooling liquid carrying chips enters the recovery channel 73, the chips are filtered by the pull-type filter box 72 and then flow into the recovery box 74 to be collected, and the pull-type filter box 72 can be taken out and replaced after being used for a period of time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.