Efficient grinding device for mechanical part machining

Abstract

The invention relates to the technical field of part grinding, in particular to an efficient grinding device for mechanical part machining, which comprises a machine tool main body, a table top, a tailstock and a diamond pen, and the upper surface of the table top is slidably connected with a fixed seat. The pipelines, the box body, the alarm and the like are arranged and used in cooperation, if the machine tool creeps, the original motion state is changed, the liquid level in one pipeline rises under the inertia effect of liquid in the box body, and when the liquid level touches the guide rod, a circuit of the battery and the alarm is completely connected, so that the alarm gives an alarm; and then an operator is reminded to pay attention to re-repairing the grinding wheel until the grinding wheel is repaired and has no wriggling and crawling problems, so that the grinding wheel can be used when the grinding wheel is repaired, the balance amount does not need to be weighed in the accurate grinding stage, the super-accurate grinding or mirror grinding balance is reduced as much as possible to improve the efficiency, and the risk of insufficient balance does not occur.

Description

Technical Field

[0001] The present invention relates to the technical field of part grinding, and specifically to an efficient grinding device for machining mechanical parts. Background Art

[0002] In the machining of precision parts, the grinding of parts is usually divided into multiple processes to ensure that the required dimensional accuracy and surface finish are finally achieved. The following is a brief description of each process: Rough grinding: Remove most of the surplus material and initially meet the dimensional and shape requirements of the part.

[0003] Semi-finish grinding: Further reduce the surplus material and improve the accuracy and surface finish.

[0004] Finish grinding: Perform micro-grinding to approach the final size.

[0005] Ultra-precision grinding or mirror grinding: Final grinding to make the surface of the part extremely smooth, and the surface roughness usually reaches below Ra 0.01 micrometers.

[0006] In the ultra-precision grinding or mirror grinding stage, since the grinding wheel is very fine, the grinding efficiency is low. To improve the efficiency, usually in the finish grinding stage, the size of the part is ground to the upper limit of the tolerance or slightly higher than the upper limit (such as half a silk), so that only a small amount of grinding is required in the ultra-precision grinding or mirror grinding to reach within the tolerance range. However, this strategy also has risks: If creep crawling of the machine tool (intermittent and uneven movement phenomenon during low-speed movement) occurs during the dressing of the grinding wheel in the finish grinding stage, it may cause spiral patterns on the surface of the part. Since the surface roughness after finish grinding is relatively high, these patterns may not be easily detected. However, in the subsequent ultra-precision grinding or mirror grinding stage, the surface finish is greatly improved, and these patterns will become obvious. If the part size has reached the upper limit of the tolerance at this time and there is no surplus material for rework, the part will have to be scrapped.

[0007] Influence of excessive surplus material: To avoid the above problems, usually more surplus material is left for ultra-precision grinding or mirror grinding in the finish grinding stage. In this way, even if problems are found, there is still enough surplus material for rework. However, due to the very fine grinding wheel in ultra-precision grinding or mirror grinding and the slow grinding speed, excessive surplus material will seriously affect the processing efficiency.

[0008] Therefore, in the finish grinding stage, it is necessary to balance the amount of surplus material: on the one hand, try to reduce the surplus material for ultra-precision grinding or mirror grinding to improve the efficiency, and on the other hand, ensure that there is enough surplus material to deal with possible quality problems. This requires precise control of the finish grinding process to ensure the stability of the dressing and grinding processes of the grinding wheel and avoid problems such as creep crawling of the machine tool. Summary of the Invention

[0009] Aiming at the deficiencies of the prior art, the present invention proposes an efficient grinding device for machining mechanical parts.

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-efficiency grinding device for machining mechanical parts, comprising a machine tool body, a table, a tailstock and a diamond pen, wherein the upper surface of the table is slidably connected to a fixing seat, and the side wall of the fixing seat is threadedly connected to a first bolt, one end of the first bolt passes through the fixing seat and abuts against the table, the upper surface of the table is fixedly connected to a box body, and the upper surface of the box body is connected to two shells, the upper surfaces of the two shells are connected to a connector, and one end of the connector is connected to a pipe, and the side wall of the shell is provided with a through hole, A stop shaft is arranged in the through hole, a through hole is opened on the side wall of the stop shaft, an outer cover is arranged above the box body, a battery slot is opened on the side wall of the outer cover, a battery is arranged in the battery slot, a sealing rod is arranged at one end of the two pipes, and two guide rods are slidably connected to the side wall of the sealing rod, one end of the guide rod passes through the sealing rod and extends into the pipe, the battery is electrically connected to the guide rod, and the battery is electrically connected to the box body, an alarm is fixedly connected to the lower surface of the sealing rod, and the alarm is electrically connected to the battery, the alarm is electrically connected to the guide rod, and a control component is arranged in the outer cover.

[0011] Preferably, the box body includes a first half box and a second half box, an elastic membrane is arranged between the first half box and the second half box, and a counterweight block is fixedly connected to one side wall of the elastic membrane, a screw is arranged on one side of the first half box, and one end of the screw passes through the first half box and the second half box, and two nuts are arranged on the outer wall thread of the screw.

[0012] Preferably, the control component includes a gear fixedly sleeved on the outer wall of the gear shaft, and a push rod is provided on one side of the gear, a side wall of one side of the push rod is provided with a tooth groove, and the tooth groove is meshed with the gear, a clearance hole is provided at one end of the push rod, and a spring and a limit rod are provided in the clearance hole, the limit rod is fixedly connected to the outer cover, a side wall of one side of the machine tool body is fixedly connected to a track, and the inner wall of the track is slidably connected to a guide block, a side wall of one side of the guide block is threadedly connected to a second bolt, and one end of the second bolt passes through the guide block and abuts against the track, and one end of the push rod passes through the outer cover and extends to one side of the guide block.

[0013] Preferably, a side wall of the blocking shaft is connected to a tough rod, and one end of the tough rod is fixedly connected to a knocking ball, a side wall of the outer cover is fixedly connected to a copper plate, and a sound hole is provided on a side wall of the outer cover close to the copper plate.

[0014] Preferably, a connecting hole is formed on one side wall of the sealing rod.

[0015] Preferably, the outer wall fixing sleeve of the retaining shaft is provided with a soft sleeve, and the outer wall of the soft sleeve is interference fit with the inner wall of the through hole.

[0016] Preferably, a connecting plate is provided between the two guide rods, and the connecting plate is fixedly connected to the two guide rods.

[0017] Preferably, both of the pipes are made of transparent glass, and scale lines are marked on the outer walls of the pipes.

[0018] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, by arranging the pipes, the box body and the alarm to be used in cooperation, if the machine tool has creeping, the original motion state is changed. Under the action of inertia, the liquid in the box body causes the liquid level in one of the pipes to rise. When the liquid level touches the guide rod, the circuit of the battery and the alarm is completely conducted, so that the alarm gives an alarm, thereby reminding the operator to pay attention to regrinding the grinding wheel. Until when regrinding the grinding wheel, there is no creeping problem, indicating that the grinding wheel repair is okay and can be used. In this way, in the fine grinding stage, there is no need to weigh the amount of allowance, and the allowance for superfine grinding or mirror grinding is minimized as much as possible to improve the efficiency, and there is no risk of insufficient allowance.

[0019] In the present invention, by arranging the ejector rod and the like to be used in cooperation, when regrinding the grinding wheel, when the table drives the tailstock and the diamond pen to move to one side of the grinding wheel, the ejector rod moves to one side of the guide block. Before the diamond pen contacts the grinding wheel, the ejector rod contacts the guide block, so that the guide block pushes the ejector rod, and the moving ejector rod drives the gear to rotate. The rotating gear drives the stop shaft to rotate, so that the stop shaft rotates 90 degrees. At this time, the conductive liquid in the box body can enter the pipe through the through hole. After the grinding wheel is repaired and when grinding the product, as the table moves, one end of the ejector rod will move out of one side of the guide block. At this time, the spring will push the ejector rod to reset, and the reset ejector rod drives the gear and the stop shaft to rotate and reset. After the stop shaft resets, the through hole cannot connect the pipe and the box body. At this time, even if the components in the box body are affected by the inertia of the table commutation, the liquid in the box body will not enter the pipe to raise the liquid in the pipe, thereby avoiding false alarms of the alarm during normal grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a three-dimensional structure schematic diagram of the present invention; Figure 2 is Figure 1 an enlarged structure schematic diagram of part A in Figure 3 is a whole structure schematic diagram of the present invention; Figure 4 is a whole structure schematic diagram of the fixed seat; Figure 5 is a first sectional structure schematic diagram of the box body; Figure 6 is Figure 5 an enlarged structure schematic diagram of part B in Figure 7 is a second sectional structure schematic diagram of the box body; Figure 8 is Figure 7 The enlarged structural schematic diagram at position C in Figure 9 is the third sectional view structural schematic diagram of the box body; Figure 10 is Figure 9 the enlarged structural schematic diagram at position D in Figure 11 is the partial sectional view structural schematic diagram of the ejector rod.

[0021] In the figure: 1, machine tool main body; 2, table; 3, tailstock; 4, diamond pen; 5, fixed seat; 6, first bolt; 7, box body; 8, housing; 9, connector; 10, pipeline; 11, through hole; 12, blocking shaft; 13, perforation; 14, outer cover; 15, battery slot; 16, battery; 17, sealing rod; 18, connecting plate; 19, guide rod; 20, alarm; 21, elastic membrane; 22, counterweight; 23, gear; 24, ejector rod; 25, tooth groove; 26, spring; 27, limiting rod; 28, track; 29, guide block; 30, second bolt; 31, tough rod; 32, knocking ball; 33, copper plate; 34, sound through hole; 35, connecting hole; 701, first half box; 702, second half box; 703, screw rod; 704, nut. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0023] Please refer to Figures 1-11, A highly efficient grinding device for machining mechanical parts, including a machine tool main body 1, a table 2, a tailstock 3 and a diamond pen 4. A fixing seat 5 is slidably connected to the upper surface of the table 2, and a first bolt 6 is threadedly connected to the side wall of the fixing seat 5. One end of the first bolt 6 penetrates through the fixing seat 5 and abuts against the table 2. A box body 7 is fixedly connected to the upper surface of the table 2, and two shell bodies 8 are communicated with the upper surface of the box body 7. Connecting heads 9 are connected to the upper surfaces of the two shell bodies 8, and a pipeline 10 is communicated with one end of the connecting head 9. A through hole 11 is opened on the side wall of the shell body 8, and a blocking shaft 12 is arranged in the through hole 11. A through hole 13 is opened on the side wall of the blocking shaft 12. An outer cover 14 is arranged above the box body 7, and a battery slot 15 is opened on the side wall of the outer cover 14. A battery 16 is arranged in the battery slot 15. One ends of the two pipelines 10 are provided with a sealing rod 17, and two guide rods 19 are slidably connected to the side wall of the sealing rod 17. One end of the guide rod 19 penetrates through the sealing rod 17 and extends into the pipeline 10. The battery 16 is electrically connected to the guide rod 19, and the battery 16 is electrically connected to the box body 7. An alarm 20 is fixedly connected to the lower surface of the sealing rod 17, and the alarm 20 is electrically connected to the battery 16. The alarm 20 is electrically connected to the guide rod 19. A control component is arranged in the outer cover 14.

[0024] As can be seen from the above structure: By setting the pipeline 10, the box body 7 and the alarm 20 to cooperate with each other, if the machine tool shows creeping, the original motion state is changed. Under the action of inertia, the liquid in the box body 7 causes the liquid level in one of the pipelines 10 to rise. When the liquid level touches the guide rod 19, the circuit of the battery 16 and the alarm 20 is completely conducted, causing the alarm 20 to give an alarm, thereby reminding the operator to pay attention to regrinding the grinding wheel. Until the grinding wheel is reground and there is no creeping problem, it means that the grinding wheel repair is okay and can be used. In this way, there is no need to weigh the amount of allowance in the fine grinding stage, and the allowance for superfine grinding or mirror grinding is minimized as much as possible to improve efficiency, and there is also no risk of insufficient allowance.

[0025] Furthermore, the box body 7 includes a first half box 701 and a second half box 702. An elastic membrane 21 is arranged between the first half box 701 and the second half box 702, and a counterweight block 22 is fixedly connected to one side wall of the elastic membrane 21. A screw rod 703 is arranged on one side of the first half box 701, and one end of the screw rod 703 penetrates through the first half box 701 and the second half box 702. Two nuts 704 are threadedly sleeved on the outer wall of the screw rod 703; By setting the counterweight block 22 and the elastic membrane 21 to cooperate with each other, when the grinding wheel is normally reground, the table 2 and the like move at a uniform speed. If the machine tool shows creeping, the original motion state is changed. At this time, the counterweight block 22 will not change much in the original motion state, thereby causing the elastic membrane 21 to deform, and causing the liquid on one side in the box body 7 to be squeezed by the counterweight block 22 and the elastic membrane 21 and enter the pipeline 10.

[0026] Further, the control component includes a gear 23 fixedly sleeved on the outer wall of the stop shaft 12. A push rod 24 is arranged on one side of the gear 23. A tooth groove 25 is formed on one side side wall of the push rod 24, and the tooth groove 25 meshes with the gear 23. A relief hole is formed at one end of the push rod 24, and a spring 26 and a limit rod 27 are arranged in the relief hole. The limit rod 27 is fixedly connected with the outer cover 14. A track 28 is fixedly connected to one side side wall of the machine tool main body 1, and a guide block 29 is slidably connected to the inner wall of the track 28. A second bolt 30 is threadedly connected to one side side wall of the guide block 29, and one end of the second bolt 30 penetrates through the guide block 29 and abuts against the track 28. One end of the push rod 24 penetrates through the outer cover 14 and extends to one side of the guide block 29; by arranging the cooperation of the push rod 24 and the like, when grinding the grinding wheel, when the table 2 drives the tailstock 3 and the diamond pen 4 to move to one side of the grinding wheel, the push rod 24 moves to one side of the guide block 29. Before the diamond pen 4 contacts the grinding wheel, the push rod 24 contacts the guide block 29, so that the guide block 29 pushes the push rod 24. The moving push rod 24 drives the gear 23 to rotate, and the rotating gear 23 drives the stop shaft 12 to rotate, so that the stop shaft 12 rotates by ninety degrees. At this time, the conductive liquid in the box body 7 can enter the pipeline 10 through the through hole 13. After the grinding wheel is repaired and when grinding the product, as the table 2 moves, one end of the push rod 24 will move out of one side of the guide block 29. At this time, the spring 26 will push the push rod 24 to reset, and the reset push rod 24 drives the gear 23 and the stop shaft 12 to rotate and reset. After the stop shaft 12 is reset, the through hole 13 cannot connect the pipeline 10 and the box body 7. At this time, even when the components in the box body 7 are affected by the inertia of the table 2 reversing, the liquid in the box body 7 will not enter the pipeline 10, increasing the liquid in the pipeline 10, thereby avoiding false alarms of the alarm 20 during normal grinding.

[0027] Further, a flexible rod 31 is connected to one side side wall of the stop shaft 12, and a knocking ball 32 is fixedly connected to one end of the flexible rod 31. A copper plate 33 is fixedly connected to one side side wall of the outer cover 14, and a sound transmission hole 34 is formed in one side side wall of the outer cover 14 close to the copper plate 33; by arranging the cooperation of the flexible rod 31 and the knocking ball 32 and the like, when the stop shaft 12 rotates by ninety degrees to cut off the connection between the pipeline 10 and the box body 7, the knocking ball 32 can knock on the copper plate 33, so that the copper plate 33 makes a sound to remind the operator that the grinding wheel has been repaired to the end.

[0028] Further, a connection hole 35 is formed in one side side wall of the sealing rod 17; by arranging the connection hole 35, the gases in the two pipelines 10 can communicate with each other, avoiding the generation of negative pressure or high pressure in the pipeline 10 and affecting the lifting of the liquid in the pipeline 10.

[0029] Further, a soft sleeve is fixedly sleeved on the outer wall of the stop shaft 12, and the outer wall of the soft sleeve is in interference fit with the inner wall of the through hole 11; by arranging the soft sleeve, the sealing performance of the stop shaft 12 can be improved.

[0030] Furthermore, a connecting plate 18 is arranged between the two guide rods 19, and the connecting plate 18 is fixedly connected to the two guide rods 19. By arranging the connecting plate 18, the two guide rods 19 can be connected, and thus when adjusting, the two guide rods 19 can be adjusted simultaneously.

[0031] Furthermore, both of the two pipes 10 are made of transparent glass, and scale lines are marked on the outer walls of the pipes 10. By arranging the pipes 10 made of transparent glass, when the battery 16 runs out of power, the user can visually observe the scales of the pipes 10.

[0032] In the present invention, before use, the box body 7 is filled with conductive liquid, and the conductive liquid submerges a section of the pipe 10. When grinding the grinding wheel, when the table 2 drives the tailstock 3 and the diamond pen 4 to move to one side of the grinding wheel, the ejector rod 24 moves to one side of the guide block 29. Before the diamond pen 4 contacts the grinding wheel, the ejector rod 24 contacts the guide block 29, so that the guide block 29 pushes the ejector rod 24. The moving ejector rod 24 drives the gear 23 to rotate, and the rotating gear 23 drives the stop shaft 12 to rotate, so that the stop shaft 12 rotates by ninety degrees. At this time (as Figure 6 ), the conductive liquid in the box body 7 can enter the pipe 10 through the through hole 13. During normal grinding of the grinding wheel, the table 2 and the like move at a constant speed. If the machine tool shows creep, the original motion state is changed. At this time, the counterweight 22 will not change much in the original motion state, while the motion state of this device is changed. This causes the counterweight 22 to pull the elastic membrane 21, causing the elastic membrane 21 to deform. The liquid on one side in the box body 7 is squeezed by the counterweight 22 and the elastic membrane 21 and enters the pipe 10, causing the liquid level in one of the pipes 10 to rise. When the liquid level touches the guide rod 19, the circuit of the battery 16 and the alarm 20 is completely conducted, causing the alarm 20 to give an alarm, thereby reminding the operator that there is a creep problem, and paying attention to re-grinding the grinding wheel until there is no creep problem during grinding, indicating that the grinding wheel repair is okay and can be used. In this way, in the fine grinding stage, there is no need to balance the amount of allowance, and the allowance for superfine grinding or mirror grinding is minimized as much as possible to improve efficiency, and there is also no risk of insufficient allowance; After the grinding wheel is repaired, when grinding the product, as the table 2 moves, one end of the ejector rod 24 will move out of one side of the guide block 29. At this time, the spring 26 will push the ejector rod 24 to reset. The reset ejector rod 24 drives the gear 23 and the stop shaft 12 to rotate and reset. After the stop shaft 12 is reset, the through hole 13 cannot connect the pipe 10 and the box body 7. At this time, even when the components in the box body 7 are affected by the inertia of the table 2 reversing, the liquid in the box body 7 will not enter the pipe 10 to raise the liquid in the pipe 10, thereby avoiding false alarms of the alarm 20 during normal grinding.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An efficient grinding device for machining mechanical parts, comprising a machine tool main body (1), a tabletop (2), a tailstock (3) and a diamond pen (4), characterized in that, The upper surface of the table (2) is slidably connected to a fixing seat (5), and a first bolt (6) is threadedly connected to a side wall of the fixing seat (5), one end of the first bolt (6) passes through the fixing seat (5) and abuts against the table (2), the upper surface of the table (2) is fixedly connected to a box (7), and the upper surface of the box (7) is connected to two shells (8), the upper surfaces of the two shells (8) are both connected to a connector (9), and one end of the connector (9) is connected to a pipe (10), a through hole (11) is provided on the side wall of the shell (8), and a stopper shaft (12) is provided in the through hole (11), and a through hole (13) is provided on the side wall of the stopper shaft (12), and an outer cover (14) is provided above the box (7). A battery slot (15) is provided on the side wall of the outer cover (14), and a battery (16) is arranged in the battery slot (15). A sealing rod (17) is provided at one end of the two pipes (10), and the side wall of the sealing rod (17) is slidably connected to two guide rods (19), one end of the guide rod (19) passes through the sealing rod (17) and extends into the pipe (10), the battery (16) is electrically connected to the guide rod (19), and the battery (16) is electrically connected to the box (7), an alarm (20) is fixedly connected to the lower surface of the sealing rod (17), and the alarm (20) is electrically connected to the battery (16), and the alarm (20) is electrically connected to the guide rod (19), and a control component is arranged in the outer cover (14).

2. The high-efficiency grinding device for machining mechanical parts according to claim 1, wherein, The box body (7) comprises a first half box (701) and a second half box (702), an elastic membrane (21) is arranged between the first half box (701) and the second half box (702), and a counterweight (22) is fixedly connected to a side wall of one side of the elastic membrane (21), a screw rod (703) is arranged on one side of the first half box (701), and one end of the screw rod (703) passes through the first half box (701) and the second half box (702), and two nuts (704) are threadedly sleeved on the outer wall of the screw rod (703).

3. The high-efficiency grinding device for machining mechanical parts according to claim 2, characterized in that, The control assembly comprises a gear (23) fixedly sleeved on the outer wall of the stop shaft (12), and a push rod (24) is arranged on one side of the gear (23), a tooth groove (25) is opened on one side wall of the push rod (24), and the tooth groove (25) is meshed with the gear (23), a clearance hole is opened on one end of the push rod (24), and a spring (26) and a limit rod (27) are arranged in the clearance hole, and the limit rod (27) is fixedly connected to the outer cover (14), a track (28) is fixedly connected to one side wall of the machine tool body (1), and a guide block (29) is slidably connected to the inner wall of the track (28), a second bolt (30) is threadedly connected to one side wall of the guide block (29), and one end of the second bolt (30) passes through the guide block (29) and abuts against the track (28), and one end of the push rod (24) passes through the outer cover (14) and extends to one side of the guide block (29).

4. An efficient grinding device for machining mechanical parts according to claim 3, characterized in that, One side wall of the blocking shaft (12) is connected with a flexible rod (31), and one end of the flexible rod (31) is fixedly connected with a knocking ball (32). One side wall of the outer cover (14) is fixedly connected with a copper plate (33), and a sound transmission hole (34) is formed in the side wall of the outer cover (14) close to the copper plate (33).

5. An efficient grinding device for machining mechanical parts according to claim 1, characterized in that, A connection hole (35) is formed in one side wall of the sealing rod (17).

6. The high-efficiency grinding device for machining mechanical parts according to claim 1, wherein, A soft sleeve is fixedly sleeved on the outer wall of the blocking shaft (12), and the outer wall of the soft sleeve is in interference fit with the inner wall of the through hole (11).

7. An efficient grinding device for machining mechanical parts according to claim 1, characterized in that, A connecting plate (18) is arranged between the two guide rods (19), and the connecting plate (18) is fixedly connected with the two guide rods (19).

8. An efficient grinding device for machining mechanical parts according to claim 1, characterized in that, Both of the two pipes (10) are made of transparent glass, and scale lines are marked on the outer walls of the pipes (10).

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