CN217071889U

CN217071889U - High-precision single-side grinding machine

Info

Publication number: CN217071889U
Application number: CN202220736209.4U
Authority: CN
Inventors: 张效利; 张效政; 刘宝宇
Original assignee: Qingzhou Yida Auto Parts Co ltd
Current assignee: Qingzhou Yida Auto Parts Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-29
Anticipated expiration: 2032-03-30

Abstract

The utility model provides a high accuracy single face grinding machine base case, the abrasive disc, first drive assembly, the second drive assembly, 4 pressure grinding subassembly and lapping liquid discharge filter assembly, rotation through first motor in the first drive assembly, it is rotatory to drive grinding disc around first bearing and plane bearing, the second motor drives 4 pressure grinding subassemblies and abrasive disc antiport in the second drive assembly, it exerts decurrent pressure to treat the work piece to grind the mill still to stretch out to make through the piston rod of cylinder, form great reverse slip frictional force, the pressure grinding effect is improved, can be simultaneously to a plurality of work pieces of treating to grind the processing, and the production efficiency is improved, the lapping liquid after the use can reach the filter screen through the discharge port, get into after filtering and discharge the storage in the bucket, realize the reuse of lapping liquid, raw and other materials are saved, and cost is reduced.

Description

High-precision single-side grinding machine

Technical Field

The utility model belongs to the technical field of the grinding machine equipment, in particular to high accuracy single face grinding machine.

Background

The grinding machine is equipment for grinding the surface of a workpiece by using a grinding tool and grinding fluid, and after a plurality of automobile part products are processed, the surfaces of the products are polished by using grinding stones and the grinding fluid to remove burrs so as to obtain smooth parts surfaces, and the requirements of product standards are met.

The grinding machine in the prior art can only polish the surface of a single product generally, can not meet the requirement of batch production, wastes time and energy, reduces the production efficiency, and the grinding fluid after being used can not be effectively filtered and recycled, thereby causing waste.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high accuracy single face grinding machine to solve the work piece low grinding efficiency who proposes in the above-mentioned background art and the technical problem that the lapping liquid can not be retrieved.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-precision single-side grinding machine comprises a base box, a grinding disc and a driving assembly, and is characterized in that the driving assembly comprises a first driving assembly and a second driving assembly, the first driving assembly is fastened in the base box, the first driving assembly is provided with a first motor, a transmission shaft of the first motor is connected with a first reduction gear box, the first reduction gear box is connected to one end of the first transmission shaft, the other end of the first transmission shaft is fastened and connected with a grinding disc base, and the grinding disc base is fastened and connected with the grinding disc; a second driving assembly is fixedly arranged on the base box, the second driving assembly is provided with a second motor, a transmission shaft of the second motor is connected with a second reduction gear box, the second reduction gear box is connected to one end of the second transmission shaft, the other end of the second transmission shaft is fixedly connected with a gear, and the gear is in meshing connection with a plurality of press grinding assemblies; the base box is also provided with a support frame and a grinding fluid discharge and filtration assembly, and the support frame is fixedly provided with a second driving assembly and a pressing and grinding assembly.

Preferably, the first bearing is further sleeved on the outer side of the first transmission shaft, a first bearing sleeve is arranged on a fastening sleeve of an outer ring of the first bearing, and the first bearing sleeve is fastened and connected with the base box.

Preferably, the upper surface of the base box is fixedly connected with a plane bearing, and the end surface of the plane bearing, which is far away from the base box, is fixedly connected with the grinding disc base.

Preferably, the pressure grinding assembly comprises a cylinder, a piston rod of the cylinder is fixedly connected with a bearing connecting block, the bearing connecting block is fixedly connected with a pressure grinding disc, a workpiece placing seat is arranged under the pressure grinding disc, a workpiece placing groove is formed in the workpiece placing seat, a workpiece to be ground is placed in the workpiece placing groove, a rotating shaft is arranged at the center of the workpiece placing groove, the rotating shaft penetrates through the grinding disc and is fixedly connected onto a grinding disc base, the workpiece placing seat winds the rotating shaft to rotate, the workpiece placing seat is close to the end face of the pressure grinding disc, a circular rack is fixedly arranged on the end face of the pressure grinding disc, and the circular rack is connected with the gear in a meshed mode.

Preferably, gear engagement is connected with 4 pressure and grinds the subassembly, 4 the pressure grinds the subassembly and is the annular array distribution, and the contained angle between the adjacent 2 pressure grinds the subassembly central lines is 90 degrees.

Preferably, 2 grinding fluid nozzles are fastened and connected to the support frame right above the workpiece placement groove.

Preferably, an included angle theta is formed between the end face, close to the bearing connecting block, of the grinding disc and the horizontal reference plane, and theta is larger than or equal to 8 degrees and smaller than or equal to 15 degrees.

Preferably, the outer diameter of the grinding disc is smaller than the inner diameter of the workpiece placing seat.

Preferably, the rotation direction of the grinding disc is opposite to the rotation direction of the workpiece placing seat.

Preferably, the lapping liquid discharges filter assembly and includes discharge port, filter screen, emission bucket, discharge valve and backup pad, the discharge port screw thread with discharge bucket threaded connection, the filter screen sets up in discharging the bucket, the backup pad with discharge bucket bottom fastening connection, the backup pad still with base case fastening connection, discharge valve sets up and discharges the bottom of the barrel portion.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

the utility model discloses a set up first drive assembly, second drive assembly and 4 pressure and grind the subassembly, treat to grind the work piece and apply down pressure, form great reverse slip frictional force to the drive is treated and is ground work piece and abrasive disc antiport grinding, improves and presses the mill effect, and can grind processing to a plurality of work pieces of treating to grind simultaneously, improves production efficiency, discharges filter assembly through setting up the lapping liquid, realizes the reuse of lapping liquid, practices thrift raw and other materials, reduce cost.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-precision single-side grinding machine according to the present invention;

FIG. 2 is a top view of the high-precision single-side grinding machine of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the pressing and grinding assembly 4 of the present invention;

fig. 5 is a schematic structural view of the polishing slurry discharge filter assembly 6 of the present invention;

in the drawings, 1-base box; 11-a planar bearing; 2-a grinding disc; 3-a drive assembly; 31-a first drive assembly; 311-a first motor; 312-a first reduction gearbox; 313-a first drive shaft; 314-abrasive disc base; 315-a first bearing; 316-first bearing sleeve; 32-a second drive assembly; 321-a second motor; 322-a second reduction gearbox; 323-a second drive shaft; 324-a gear; 4-a press grinding component; 41-cylinder; 42-bearing connecting block; 43-grinding disc pressing; 44-a workpiece holder; 45-workpiece placement groove; 46-a workpiece to be ground; 47-a rotating shaft; 48-circular rack; 5-a support frame; 6-grinding fluid discharge filter assembly; 61-a discharge port; 62-a filter screen; 63-a discharge bucket; 64-a drain valve; 65-support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a high-precision single-side grinding machine includes a base box 1, a grinding disc 2 and a driving assembly 3, where the driving assembly 3 includes a first driving assembly 31 and a second driving assembly 32, the first driving assembly 31 is fastened in the base box 1, the first driving assembly 31 is provided with a first motor 311, a transmission shaft of the first motor 311 is connected with a first reduction gear box 312, the first reduction gear box 312 is connected with one end of a first transmission shaft 313, the other end of the first transmission shaft 313 is fastened with a grinding disc base 314, the grinding disc base 314 is fastened with the grinding disc 2, a first bearing 315 is further sleeved on the outer side of the first transmission shaft 313, a first bearing sleeve 316 is fastened and sleeved on the outer ring of the first bearing 315, the first bearing sleeve 316 is fastened and connected with the base box 1, and a plane bearing 11 is fastened and connected on the upper surface of the base box 1, the end face of the plane bearing 11 far from the base box 1 is fastened and connected with the grinding disc base 314, so that the rotation of the first motor 311 can transmit a rotating force through the first reduction gear box 312, the first reduction gear box 312 can realize reduction and increase of torque and steering, then the rotating force is transmitted to the first transmission shaft 313, the first transmission shaft 313 can drive the grinding disc base 314 to rotate around the first bearing 315 and the plane bearing 11, and the grinding disc base 314 then drives the grinding disc 2 to rotate around the first bearing 315 and the plane bearing 11.

Further, a second driving assembly 32 is fixedly arranged on the base box 1, the second driving assembly 32 is provided with a second motor 321, a second reduction gear box 322 is connected to a transmission shaft of the second motor 321, the second reduction gear box 322 is connected to one end of a second transmission shaft 323, and a gear 324 is fixedly connected to the other end of the second transmission shaft 323, so that the rotation of the second motor 321 can transmit power through the second reduction gear box 322, the second reduction gear box 322 can realize speed reduction and torque increase and steering, and then the rotating force is transmitted to the second transmission shaft 323, and the second transmission shaft 323 can drive the gear 324 to rotate around the center of the grinding disc base 314.

As shown in fig. 3 and 4, the gear 324 is engaged with 4 grinding assemblies 4, 4 the grinding assemblies 4 are distributed in an annular array, an included angle between central lines of 2 adjacent grinding assemblies 4 is 90 degrees, each grinding assembly 4 comprises a cylinder 41, a piston rod of each cylinder 41 is connected with a bearing connecting block 42, each bearing connecting block 42 is connected with a grinding disc 43, a workpiece placing seat 44 is arranged under each grinding disc 43, a workpiece placing groove 45 is arranged in each workpiece placing seat 44, a workpiece 46 to be ground is placed in each workpiece placing groove 45, the piston rod of each cylinder 41 extends out to apply downward pressure to the workpiece 46 to be ground through the grinding disc 43, the friction between the surface to be ground of the workpiece 46 to be ground and the grinding disc 2 is increased, and the grinding effect is improved.

The center of the workpiece placing groove 45 is further provided with a rotating shaft 47, the rotating shaft 47 penetrates through the grinding disc 2 and is tightly connected to the grinding disc base 314, the workpiece placing seat 44 can rotate around the rotating shaft 47, a circular rack 48 is fixedly arranged on the end surface of the workpiece placing seat 44 close to the grinding disc 43, and the circular rack 48 is meshed with the gear 324, so that the gear 324 can rotate to drive the workpiece placing seat 44 to rotate around the rotating shaft 47 through the circular rack 48, and then drive the workpiece 46 to be ground placed in the workpiece placing groove 45 to rotate, so that the surface to be ground of the workpiece 46 to be ground and the grinding disc 2 generate sliding friction force.

Further, the rotation direction of the grinding disc 2 is opposite to the rotation direction of the workpiece placing seat 44, and the grinding disc 2 and the workpiece 46 to be ground form reverse sliding friction force, so that the pressing and grinding effect is better.

The base box 1 is further provided with a support frame 5 through bolts, the support frame 5 is fixedly provided with a second driving assembly 32 and a pressing and grinding assembly 4, and the support frame 5 can support the second driving assembly 32 and the pressing and grinding assembly 4.

2 grinding fluid shower nozzles are fixedly connected to the support frame 5 right above the workpiece placing groove 45, the grinding fluid can be sprayed out in the grinding process of the workpiece 46 to be ground, meanwhile, the grinding pressing disc 43 is close to an included angle theta between the end face of the bearing connecting block 42 and a horizontal reference face, the included angle theta is not less than 8 degrees and not more than 15 degrees, the outer diameter of the grinding pressing disc 43 is smaller than the inner diameter of the workpiece placing seat 44, so that the grinding fluid shower nozzles can flow into the workpiece placing seat 44 along the end face of the grinding pressing disc 43 after the grinding fluid is sprayed out, and then the grinding fluid flows into the workpiece placing groove 45 and is on the contact surface of the workpiece 46 to be ground and the grinding disc 2.

As shown in fig. 5, the base box 1 is further provided with a grinding fluid discharging and filtering assembly 6, the grinding fluid discharging and filtering assembly 6 includes a discharging port 61, a filtering net 62, a discharging barrel 63, a discharging valve 64 and a supporting plate 65, the discharging port 61 is in threaded connection with the discharging barrel 63, the filtering net 62 is arranged in the discharging barrel 63, the supporting plate 65 is in fastened connection with the bottom of the discharging barrel 63, the supporting plate 65 is also in fastened connection with the base box 1, the supporting plate 65 is used for fixing the grinding fluid discharging and filtering assembly 6 on the base box 1, the discharging valve 64 is arranged at the bottom of the discharging barrel 63, the used grinding fluid can reach the filtering net 62 through the discharging port 61, and enter the discharging barrel 63 for storage after filtering, and the discharging valve 64 is opened to take out the grinding fluid in the discharging barrel 63, so that the grinding fluid can be recycled, the raw materials are saved, and the cost is reduced.

As can be seen from the above-mentioned embodiment, the utility model discloses a high accuracy single face grinding machine passes through the rotation of first motor 311 in the first drive assembly 31, drive abrasive disc 2 and rotate around first bearing 315 and plane bearing 11, second motor 321 drives among the second drive assembly 32 and grinds subassembly 4 and abrasive disc 2 antiport, still stretch out through the piston rod of cylinder 41 and make pressure mill 43 exert decurrent pressure to treat the mill work piece 46, form great reverse slip frictional force, improve the pressure mill effect, can grind a plurality of treats mill work pieces 46 simultaneously through setting up 4 pressure mill subassemblies 4, improve production efficiency;

still be provided with the lapping liquid on the base case 1 and discharge filter assembly 6, the lapping liquid after the use can reach filter screen 62 through discharge port 61, and the storage in getting into discharge bucket 63 after filtering realizes the reuse of lapping liquid, practices thrift raw and other materials, reduce cost.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision single-side grinding machine comprises a base box (1), a grinding disc (2) and a driving assembly (3), and is characterized in that the driving assembly (3) comprises a first driving assembly (31) and a second driving assembly (32), the first driving assembly (31) is fastened in the base box (1), the first driving assembly (31) is provided with a first motor (311), a transmission shaft of the first motor (311) is connected with a first reduction gear box (312), the first reduction gear box (312) is connected to one end of a first transmission shaft (313), the other end of the first transmission shaft (313) is fastened and connected with a grinding disc base (314), and the grinding disc base (314) is fastened and connected with the grinding disc (2);

a second driving assembly (32) is fixedly arranged on the base box (1), a second motor (321) is arranged on the second driving assembly (32), a transmission shaft of the second motor (321) is connected with a second reduction gear box (322), the second reduction gear box (322) is connected to one end of a second transmission shaft (323), the other end of the second transmission shaft (323) is fixedly connected with a gear (324), and the gear (324) is connected with a plurality of press grinding assemblies (4) in a meshing manner;

the base box (1) is further provided with a support frame (5) and a grinding fluid discharging and filtering assembly (6), and the support frame (5) is fixedly provided with a second driving assembly (32) and a pressing and grinding assembly (4).

2. A high-precision single-sided grinding machine as claimed in claim 1, wherein a first bearing (315) is further sleeved outside the first transmission shaft (313), a first bearing sleeve (316) is arranged on an outer ring fastening sleeve of the first bearing (315), and the first bearing sleeve (316) is fastened and connected with the base box (1).

3. A high-precision single-sided grinding machine as claimed in claim 1, characterized in that a plane bearing (11) is fixedly connected to the upper surface of the base box (1), and the end surface of the plane bearing (11) far away from the base box (1) is fixedly connected with the grinding disk base (314).

4. A high-precision single-side grinding machine according to claim 1, characterized in that the grinding assembly (4) comprises an air cylinder (41), a bearing connecting block (42) is tightly connected to a piston rod of the air cylinder (41), a grinding disc (43) is tightly connected to the bearing connecting block (42), a workpiece placing seat (44) is arranged under the grinding disc (43), a workpiece placing groove (45) is arranged in the workpiece placing seat (44), a workpiece (46) to be ground is placed in the workpiece placing groove (45), a rotating shaft (47) is arranged at the center of the workpiece placing groove (45), the rotating shaft (47) penetrates through the grinding disc (2) and is tightly connected to a grinding disc base (314), the workpiece placing seat (44) rotates around the rotating shaft (47), and a circular rack (48) is tightly arranged on the end surface of the workpiece placing seat (44) close to the grinding disc (43), the circular rack (48) is meshed with the gear (324).

5. A high-precision single-sided grinding machine as claimed in claim 4, characterized in that the gear (324) is engaged with 4 grinding assemblies (4), the 4 grinding assemblies (4) are distributed in a circular array, and the included angle between the central lines of the adjacent 2 grinding assemblies (4) is 90 degrees.

6. A high-precision single-sided grinding machine as claimed in claim 5, wherein 2 abrasive fluid nozzles are fastened to the support frame (5) directly above the workpiece placement groove (45).

7. A high-precision single-sided grinding machine according to claim 6, characterized in that the end surface of the grinding disc (43) close to the bearing connecting block (42) forms an included angle theta with a horizontal reference surface, wherein theta is more than or equal to 8 degrees and less than or equal to 15 degrees.

8. A high-precision single-sided grinding machine according to claim 7, characterized in that the outer diameter of the grinding disc (43) is smaller than the inner diameter of the workpiece placing seat (44).

9. A high-precision single-sided grinding machine according to claim 1, characterized in that the rotation direction of the grinding disc (2) is opposite to the rotation direction of the workpiece placing seat (44).

10. A high-precision single-sided grinding machine according to claim 1, characterized in that the grinding fluid discharging filter assembly (6) comprises a discharging port (61), a filter screen (62), a discharging barrel (63), a discharging valve (64) and a support plate (65), the discharging port (61) is in threaded connection with the discharging barrel (63), the filter screen (62) is arranged in the discharging barrel (63), the support plate (65) is in tight connection with the bottom of the discharging barrel (63), the support plate (65) is also in tight connection with the base box (1), and the discharging valve (64) is arranged at the bottom of the discharging barrel (63).