CN217800993U

CN217800993U - Grinding machine for differential case

Info

Publication number: CN217800993U
Application number: CN202221963941.1U
Authority: CN
Inventors: 赵小均; 徐勇; 陈亘学; 赵兴明
Original assignee: Chongqing Kane Mechanical Manufacturing Co ltd
Current assignee: Chongqing Kane Mechanical Manufacturing Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-15
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a grinding machine for a differential case, which belongs to the technical field of machining, and is characterized in that a placing groove is arranged on a workbench for placing the differential case so as to grind the circumferential surface of a disc body of the differential case at the later stage; the circular ring frame is arranged right above the placing groove, and the working assembly is arranged on the circular ring frame in a sliding mode, so that the working assembly and the circular ring frame are combined to grind the circumferential surface of the differential case disc body, the machining precision of the circumferential surface of the differential case disc body is further improved, the situation that the circumferential surface of the differential case disc body is wavy is avoided, and the service life of a high differential case is prolonged; through being provided with lifting unit on the workstation for under lifting unit's effect, can adjust ring frame and work module's high position, with the differential case of the different specifications of adaptation, grind the circumference surface of differential case disk body.

Description

Grinding machine for differential case

Technical Field

The utility model relates to the technical field of machining, in particular to a grinding machine for differential mechanism shell.

Background

The differential case is used as a shell for placing differential parts, and generally comprises a split type and an integral type, wherein the split type means that the cross-shaped shaft hole and the planetary gear installation spherical surface respectively account for half of the differential case on the left and the right, and the integral type means that the cross-shaped shaft hole and the planetary gear installation spherical surface are only arranged on one differential case, so that the positioning precision is high.

Some current differential shells are in the course of working, and there is wavy condition in the circumferential surface of differential shell disk body for when the differential shell uses with other mechanical structure cooperations, the differential shell can produce great beating, and then can cause serious wearing and tearing to the differential shell, thereby lead to the life of these differential shells to be shorter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding machine for differential mechanism shell can effectual improvement to the machining precision on the circumference surface of differential mechanism shell disk body, avoids the wavy condition to appear on the circumference surface of differential mechanism shell disk body to further improve the life of differential mechanism shell.

For solving the technical problem, the utility model discloses a technical scheme:

a grinding machine for a differential carrier includes

The right center of the upper surface of the workbench is provided with a placing groove for placing a differential case;

the circular ring frame is arranged right above the placing groove, a working assembly is arranged on the circular ring frame in a sliding mode, and the working assembly is used for grinding the circumferential surface of the disc body of the differential case;

the working assembly comprises a first mounting seat, a first sliding plate is fixedly arranged on one side of the first mounting seat, a second sliding plate is fixedly arranged on the other side of the first mounting seat, the second sliding plate is located below the first sliding plate, a first guide groove is formed in the upper portion of the inner side of the ring frame, first sliding plate sliding pliers are arranged in the first guide groove, a second guide groove is formed in the lower portion of the outer side of the ring frame, second sliding plate sliding pliers are arranged in the second guide groove, a driving piece is arranged on the first mounting seat, the output end of the driving piece penetrates through the first mounting seat and is connected with a driving wheel, the driving wheel is located above the ring frame, annular teeth are fixedly arranged on the ring frame and are meshed with the driving wheel, a connecting rod is sleeved on the lower portion of the first mounting seat in a threaded manner, and a grinding disc is sleeved on the lower end of the connecting rod in a threaded manner;

the ring frame pass through lifting unit with the workstation is connected, lifting unit's one end is located the upper surface of workstation, the other end pass through the mounting panel with the ring frame is connected.

According to some embodiments, an upper portion of the table extends upward to form a guard fence.

According to some embodiments, the lifting assembly comprises a second mounting seat, the second mounting seat is of a hollow structure, the upper portion of the second mounting seat is open, third guide grooves are formed in two side walls of the second mounting seat, a lifting platform is slidably arranged in the second mounting seat, fixed blocks are fixedly arranged on two sides of the lower portion of the lifting platform, sliding pliers of the fixed blocks are arranged in the third guide grooves, a threaded rod is vertically arranged at the center of the interior of the second mounting seat, the bottom end of the threaded rod is rotatably limited in the inner bottom surface of the second mounting seat through a shaft sleeve, a fourth guide groove is formed in the center of the lifting platform, the threaded rod is screwed in the fourth guide groove, a first bevel gear is fixedly arranged on the threaded rod in a sleeved mode, a motor is arranged on the second mounting seat, the output end of the motor extends into the interior of the second mounting seat and is connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, a cantilever beam is fixedly arranged on one side of the upper portion of the lifting platform, and one end of the cantilever beam is connected with the mounting plate.

According to some embodiments, the two sides of the opening of the second mounting seat are provided with limiting plates through screws.

According to some embodiments, the elevating platform is provided with a plurality of scale marks on the circumferential surface along the height direction of the elevating platform.

According to some embodiments, the first and second sliding plates are each arc-shaped.

According to some embodiments, the mounting plate is fixedly arranged on the ring frame and is arranged in a plurality of ring shapes.

According to some embodiments, the inner diameter of the placement groove is 182cm in size.

According to some embodiments, the drive wheel is a spur or bevel gear.

Has the advantages that:

1. through having seted up the standing groove on the workstation for place the differential case, so that the later stage grinds the circumference surface of differential case disk body.

2. Be provided with the ring frame through directly over the standing groove to the slip is provided with the work subassembly on the ring frame, makes under the effect that work subassembly and ring frame combined together, is used for grinding the circumferential surface of differential mechanism casing disk body, with the machining precision of the circumferential surface of further improvement differential mechanism casing disk body, avoids the wavy condition to appear on the circumferential surface of differential mechanism casing disk body, with the life of extension high differential mechanism casing.

3. Through being provided with lifting unit on the workstation for under lifting unit's effect, can adjust ring frame and working unit's high position, with the differential case of the different specifications of adaptation, grind the circumferential surface of differential case disk body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the working assembly of the present invention;

FIG. 3 is a schematic view of the elevating platform, cantilever beam and ring frame of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a cross-sectional view of the lifting assembly of the present invention.

In the figure, 1 workbench, 11 placing grooves, 12 protective baffles, 2 circular frames, 21 first guide grooves, 22 second guide grooves, 23 annular teeth, 24 mounting plates, 3 working components, 31 first mounting seats, 32 first sliding plates, 33 second sliding plates, 34 driving components, 35 driving wheels, 36 connecting rods, 37 grinding discs, 4 lifting components, 41 second mounting seats, 411 third guide grooves, 412 limiting plates, 42 lifting tables, 421 fixing blocks, 422 scale lines, 43 threaded rods, 44 fourth guide grooves, 45 first bevel gears, 46 motors, 47 second bevel gears and cantilever beams 48.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, a grinding machine for a differential case includes a table 1, a ring frame 2, a work module 3, and a lifting module 4.

The positive center position department of workstation 1, 1 upper surface of workstation has seted up standing groove 11 for place the differential case, so that the later stage grinds the circumferential surface of differential case disk body.

The circular ring frame 2 is arranged right above the placing groove 11, the working assembly 3 is arranged on the circular ring frame 2 in a sliding manner, the working assembly 3 is used for grinding the circumferential surface of a disc body of the differential case, the working assembly 3 comprises a first mounting seat 31, a first sliding plate 32 is fixedly arranged on one side of the first mounting seat 31, a second sliding plate 33 is fixedly arranged on the other side of the first mounting seat 31, the second sliding plate 33 is positioned below the first sliding plate 32, a first guide groove 21 is formed in the upper portion of the inner side of the circular ring frame 2, a sliding clamp of the first sliding plate 32 is arranged in the first guide groove 21, a second guide groove 22 is formed in the lower portion of the outer side of the circular ring frame 2, a driving piece 34 is arranged in the second guide groove 22, the output end of the driving piece 34 penetrates through the first mounting seat 31 and is connected with a driving wheel 35, action wheel 35 is located the top of ring frame 2, the fixed annular tooth 23 that is provided with on the ring frame 2, annular tooth 23 meshes with action wheel 35, the lower part thread bush of first mount pad 31 is equipped with connecting rod 36, the lower extreme thread bush of connecting rod 36 is equipped with abrasive disc 37, it is concrete, first slide 32 slip pincers are located in first guide way 21, second slide 33 slip pincers are located in second guide way 22, not only play the effect of slip and direction, and can also play the effect of support, make first mount pad 31 keep balance's state all the time, avoid first mount pad 31 to drop from ring frame 2, and the upper and lower both ends of connecting rod 36 all are provided with the screw thread, so that connecting rod 36's dismantlement, the change of abrasive disc 37 of also being convenient for simultaneously.

Wherein, driving piece 34 drive action wheel 35 rotates, and action wheel 35 meshing annular tooth 23 for first slide 32 slip pincers are located in first guide way 21, and second slide 33 slip pincers are located in second guide way 22, and the first mount pad 31 of drive moves along the orbit direction of its ring frame 2, and first mount pad 31 drives connecting rod 36, and grinding disk 37 follows connecting rod 36 and moves together, and grinds the circumferential surface of differential case disk body.

The ring frame 2 is connected with the workbench 1 through the lifting component 4, the upper surface of the workbench 1 is arranged at one end of the lifting component 4, the other end of the lifting component is connected with the ring frame 2 through the mounting plate 24, and under the action of the lifting component 4, the height positions of the ring frame 2, the first mounting seat 31, the connecting rod 36 and the grinding disc 37 can be adjusted, so that the differential shell with different specifications can be adapted to grind the circumferential surface of the disk body of the differential shell.

As shown in the figure 1, the upper part of the workbench 1 extends upwards to form a protective baffle 12, so that the situation that the grinding disc 37 collides with the grinding disc 37 carelessly by a worker in the working operation process, and the injury is further brought to the worker is avoided.

As shown in fig. 1, 3 and 5, the lifting assembly 4 includes a second mounting base 41, the second mounting base 41 is of a hollow structure, an upper portion of the second mounting base 41 is open, third guide grooves 411 are formed in two side walls of the second mounting base 41, a lifting platform 42 is slidably disposed inside the second mounting base 41, fixed blocks 421 are fixedly disposed on two sides of a lower portion of the lifting platform 42, the fixed blocks 421 are slidably clamped in the third guide grooves 411, a threaded rod 43 is vertically disposed at a center position inside the second mounting base 41, a bottom end of the threaded rod 43 is rotatably limited on an inner bottom surface of the second mounting base 41 through a shaft sleeve, a fourth guide groove 44 is formed at the center position of the lifting platform 42, the threaded rod 43 is screwed into the fourth guide groove 44, a first bevel gear 45 is fixedly disposed on the threaded rod 43, a motor 46 is disposed on the second mounting base 41, an output end of the motor 46 extends into the second mounting base 41 and is connected to a second bevel gear 47, the second bevel gear 47 is engaged with the first bevel gear 45, a side of the upper portion of the lifting platform 42 is fixedly disposed, one end of the upper portion of the threaded rod 48 is connected to the mounting plate 24, the mounting plate 43, the cantilever beam 43 is connected to the mounting plate, the second mounting plate 42, the cantilever beam 411 and the cantilever beam 42, the second mounting plate 42 only can limit the lifting platform 411 and the lifting platform 42, and the lifting platform can limit the lifting platform when the lifting platform, and the lifting platform 411 and the lifting platform.

When the motor 46 rotates forwards, the motor 46 drives the second bevel gear 47 to rotate forwards, the second bevel gear 47 is meshed with the first bevel gear 45, the first bevel gear 45 drives the threaded rod 43 to rotate forwards, the threaded rod 43 drives the fixed block 421 of the lifting table 42 to move upwards along the track of the third guide slot 411 on the second mounting seat 41, and the cantilever beam 48 moves upwards along with the lifting table 42; when the motor 46 rotates reversely, the motor 46 drives the second bevel gear 47 to rotate reversely, the second bevel gear 47 engages with the first bevel gear 45, the first bevel gear 45 drives the threaded rod 43 to rotate reversely, the threaded rod 43 drives the fixed block 421 of the lifting table 42 to move downwards along the track of the third guide slot 411 on the second mounting seat 41, and the cantilever beam 48 moves downwards along with the lifting table 42.

Referring to fig. 3 and 5, the limiting plates 412 are mounted on two sides of the opening of the second mounting seat 41 through screws, so that under the action of the limiting plates 412, the lifting platform 42 is prevented from falling off from the second mounting seat 41 and causing over travel when the threaded rod 43 drives the lifting platform 42 to move upwards.

Referring to fig. 1 and 3, a plurality of scale marks 422 are carved on the circumferential surface of the lifting table 42 along the height direction thereof, so that the worker can adjust the lifting table 42 more precisely according to the scale marks 422, and the precision of grinding the circumferential surface of the differential case body by the grinding disc 37 is further improved.

As shown in fig. 1 and fig. 2, the first sliding plate 32 and the second sliding plate 33 are both arc-shaped, so that the first mounting seat 31 slides on the circular frame 2, and the sliding smoothness of the first mounting seat 31 is further ensured, so that the first sliding plate 32 and the first guide groove 21, and the second sliding plate 33 and the second guide groove 22 can be completely adapted.

As shown in fig. 1 and fig. 3, the mounting plate 24 is fixed on the circular ring frame 2, and is provided with a plurality of annular shapes for reinforcing the structure of the circular ring frame 2, and meanwhile, the circular ring frame 2 is prevented from easily falling off from the cantilever beam 48 by enhancing the connection structure of the cantilever beam 48 and the circular ring frame 2.

To be further described, the inner diameter of the placing groove 11 is 182cm, so that the differential case can be just placed in the placing groove 11, the plate body of the differential case is just positioned on the upper surface of the workbench 1, and the grinding disc 37 just grinds only the surface of the plate body of the differential case.

To be further described, the driving wheel 35 is a straight gear or a bevel gear, which is convenient for meshing with the annular teeth 23, so that the transmission ratio between the driving wheel 35 and the annular teeth 23 is more stable, and the driving wheel 35 can be replaced by other gears matched with the annular teeth 23.

Firstly, the differential case is firstly arranged, so that a disc body of the differential case is just positioned on the upper surface of the workbench 1, then, when the motor 46 rotates forwards, the motor 46 drives the second bevel gear 47 to rotate forwards, the second bevel gear 47 is meshed with the first bevel gear 45, the first bevel gear 45 drives the threaded rod 43 to rotate forwards, the threaded rod 43 drives the fixed block 421 of the lifting table 42 to move upwards along the track of the third guide groove 411 on the second mounting seat 41, and the cantilever beam 48 moves upwards along with the lifting table 42; when the motor 46 rotates reversely, the motor 46 drives the second bevel gear 47 to rotate reversely, the second bevel gear 47 engages with the first bevel gear 45, the first bevel gear 45 drives the threaded rod 43 to rotate reversely, the threaded rod 43 drives the fixed block 421 of the lifting table 42 to move downwards along the track of the third guide slot 411 on the second mounting seat 41, the cantilever beam 48 moves downwards along with the lifting table 42, the cantilever beam 48 drives the first mounting seat 31, the connecting rod 36 and the grinding disc 37 to move together until the grinding disc 37 is adjusted to a proper position, finally, the driving part 34 is started, the driving wheel 35 is driven to rotate by the driving part 34, the driving wheel 35 engages with the annular teeth 23, so that the first sliding plate 32 is slidably clamped in the first guide slot 21, the second sliding plate 33 is slidably clamped in the second guide slot 22, the first mounting seat 31 is driven to move along the track direction of the circular ring frame 2, the first mounting seat 31 drives the connecting rod 36, the grinding disc 37 moves along with the connecting rod 36, and grinds the circumferential surface of the disc body of the shell.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. A grinding machine for differential housings, comprising:

the device comprises a workbench (1), wherein a placing groove (11) is formed in the right center of the upper surface of the workbench (1) and used for placing a differential case;

the annular frame (2) is arranged right above the placing groove (11), a working assembly (3) is arranged on the annular frame (2) in a sliding mode, and the working assembly (3) is used for grinding the circumferential surface of the disc body of the differential case;

the working assembly (3) comprises a first mounting seat (31), a first sliding plate (32) is fixedly arranged on one side of the first mounting seat (31), a second sliding plate (33) is fixedly arranged on the other side of the first mounting seat, the second sliding plate (33) is positioned below the first sliding plate (32), a first guide groove (21) is formed in the upper portion of the inner side of the circular frame (2), the first sliding plate (32) is slidably clamped in the first guide groove (21), a second guide groove (22) is formed in the lower portion of the outer side of the circular frame (2), the second sliding plate (33) is slidably clamped in the second guide groove (22), a driving piece (34) is arranged on the first mounting seat (31), the output end of the driving piece (34) penetrates through the first mounting seat (31) and is connected with a driving wheel (35), the driving wheel (35) is positioned above the circular frame (2), annular teeth (23) are fixedly arranged on the circular frame (2), the annular teeth (23) are engaged with the driving wheel (35), a connecting rod (36) is arranged at the lower end of the first mounting seat (31), and a grinding disc (37) is sleeved with a connecting rod (36) in a threaded sleeve;

ring frame (2) through lifting unit (4) with workstation (1) is connected, the one end of lifting unit (4) is located the upper surface of workstation (1), the other end pass through mounting panel (24) with ring frame (2) are connected.

2. A grinding machine for differential housings as claimed in claim 1, wherein: the upper part of the workbench (1) extends upwards to form a protective baffle (12).

3. A grinding machine for differential housings as claimed in claim 1, wherein: the lifting component (4) comprises a second mounting seat (41), the second mounting seat (41) is of a hollow structure, the upper portion of the second mounting seat (41) is open, third guide grooves (411) are formed in two side walls of the second mounting seat (41), a lifting table (42) is arranged in the second mounting seat (41) in a sliding mode, fixed blocks (421) are fixedly arranged on two sides of the lower portion of the lifting table (42), sliding pincers of the fixed blocks (421) are arranged in the third guide grooves (411), a threaded rod (43) is vertically arranged at the center position inside the second mounting seat (41), the bottom end of the threaded rod (43) is rotatably limited on the inner bottom surface of the second mounting seat (41) through a shaft sleeve, a fourth guide groove (44) is formed in the center position of the lifting table (42), the threaded rod (43) is connected into the fourth guide groove (44) in a rotating mode, a first bevel gear (45) is arranged on the threaded rod (43), a motor (46) is arranged on the second mounting seat (41), an output end of the second bevel gear (46) extends to the second bevel gear fixing seat (47), and is connected with a second bevel gear fixing sleeve (47), and a cantilever beam (47) and a first bevel gear (47) is arranged on one side of the upper portion of the lifting table, one end of the cantilever beam (48) is connected with the mounting plate (24).

4. A grinding machine for differential housings as claimed in claim 3, wherein: limiting plates (412) are installed on two sides of the opening of the second installation seat (41) through screws.

5. A grinding machine for differential housings as claimed in claim 4, wherein: a plurality of scale marks (422) are engraved on the circumferential surface of the lifting platform (42) along the height direction of the lifting platform.

6. A grinding machine for differential housings as claimed in claim 1, wherein: the first sliding plate (32) and the second sliding plate (33) are both arc-shaped.

7. A grinding machine for differential housings as claimed in claim 1, wherein: the mounting plate (24) is fixedly arranged on the circular ring frame (2) and is in a plurality of annular shapes.

8. A grinding machine for differential housings as claimed in claim 1, wherein: the inner diameter of the placing groove (11) is 182cm.

9. A grinding machine for differential housings as claimed in claim 1, wherein: the driving wheel (35) is a straight gear or a bevel gear.