CN115139189A - Hemispherical grinder - Google Patents

Hemispherical grinder Download PDF

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Publication number
CN115139189A
CN115139189A CN202210978475.2A CN202210978475A CN115139189A CN 115139189 A CN115139189 A CN 115139189A CN 202210978475 A CN202210978475 A CN 202210978475A CN 115139189 A CN115139189 A CN 115139189A
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CN
China
Prior art keywords
swing
workpiece
motor
rotating
grinder
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Pending
Application number
CN202210978475.2A
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Chinese (zh)
Inventor
陈硕
陈维山
刘军考
李锴
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Harbin Haoxing Technology Co ltd
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Harbin Haoxing Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Harbin Haoxing Technology Co ltd filed Critical Harbin Haoxing Technology Co ltd
Priority to CN202210978475.2A priority Critical patent/CN115139189A/en
Publication of CN115139189A publication Critical patent/CN115139189A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
    • B24B11/02—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The invention discloses a hemispherical grinder, which relates to the technical field of machining equipment and solves the problems that in the process of machining spherical surfaces and hemispherical surfaces, manual grinding is carried out manually, the productivity is low, the labor intensity is high, and the undifferentiated grinding of contact surfaces is difficult to guarantee, and in the mechanical production, the precision requirement cannot be met due to the deformation of the spherical surfaces and the hemispherical surfaces caused by factors such as clamping and the like in the mechanical production.

Description

Hemispherical grinder
Technical Field
The invention relates to the technical field of machining equipment, in particular to a hemispherical grinder.
Background
In the air bearing, gas is used as a lubricating medium, a layer of lubricating gas film with certain bearing and rigidity is formed in a bearing gap, and a shaft is floated in the bearing by virtue of the lubricating and supporting action of the gas film. At the moment, the requirement on the machining precision of the ball socket of the outer ring of the bearing and the ball of the inner ring is very high. In the field of current machining, the spherical surface and the hemispherical surface are mainly manufactured by a numerical control machine, and a computer realizes three-dimensional forming of the spherical surface by simulating the curve of the spherical surface and performing interpolation motion. Due to the clamping force of a clamping tool in the actual manufacturing process, the machining precision of a machine tool, the error of a simulation curve and other factors, a machined surface is not a strict spherical surface, and even a part of the surface can be subjected to micro deformation. The traditional mode is through artifical manual grinding, and not only productivity ratio is low, and intensity of labour is big, is difficult to guarantee moreover that the indifference of contact surface grinds.
Disclosure of Invention
The invention aims to provide a hemispherical grinding machine, aiming at the problems that manual grinding is carried out through manpower in the processing process of the generated spherical surface and hemispherical surface, the productivity is low, the labor intensity is high, the undifferentiated grinding of the contact surface is difficult to ensure, and the precision requirement cannot be met due to the deformation of the spherical surface and the hemispherical surface caused by factors such as clamping in mechanical production.
In order to achieve the purpose, the invention adopts the technical scheme that:
a hemispherical grinder, comprising:
the device comprises a fixed supporting platform 1 and a swinging supporting platform 15, wherein the swinging supporting platform 15 is arranged on the fixed supporting platform 1;
the rotary table motor 17 drives the rotary mechanism to drive the spherical grinding tool 7 to rotate in a horizontal plane, and the spherical grinding tool 7 is provided with a spherical groove;
swing mechanism, swing motor 18 and work piece rotating electrical machines 11, swing mechanism and swing motor 18 are all installed on the swing supporting platform 15, swing motor 18 with swing mechanism connects, grinds work piece 8 with work piece rotating electrical machines 11 connects, grind work piece 8 and arrange in the spherical groove, through swing motor 18 drive swing mechanism drives grind work piece 8 and swing in vertical plane, work piece rotating electrical machines 11 is used for the drive grind work piece 8 is in the spherical groove internal rotation, through sphere grinding tool 7 is to being located in the spherical groove grind work piece 8.
The hemispherical surface grinder further comprises: the grinding machine comprises a workpiece gland 9, an output shaft of a workpiece rotating motor 11 is connected with the workpiece gland 9, the grinding workpiece 8 is installed on the workpiece gland 9, and the grinding workpiece 8 is driven to move in the spherical groove through the workpiece gland 9.
Foretell hemisphere face grinds machine, wherein, the installation through-hole has been seted up on the fixed supporting bench 1, slewing mechanism includes: gear wheel 2, pinion 16 and swivel work head 5, gear wheel 2 with swivel work head 5 coaxial arrangement and be connected, swivel work head 5 is installed in the mounting hole, pinion 16 and swivel table motor 17's output is connected, pinion 16 with gear wheel 2 meshes mutually.
The above-mentioned hemisphere face grinds machine, wherein, slewing mechanism still includes: the bearing 3 and the sealing cover 4, the fixed supporting platform 1 and the rotary workbench 5 are connected through the bearing 3 in a rotating mode, the sealing cover 4 is installed on the fixed supporting platform 1, and the bearing 3 is axially fixed through the sealing cover 4.
The above-mentioned hemisphere face grinder still includes wherein: the supporting seat 6, sphere grinding tool 7 with swivel work head 5 passes through supporting seat 6 connects.
The hemispherical surface grinder further comprises: and the swinging motor base 14 is installed at the upper end of the swinging support platform 15.
The hemispherical surface grinder further comprises: the rotary motor base 10, the work piece rotating electrical machines 11 are installed in the rotary motor base 10.
The above-mentioned hemispherical grinder, wherein, swing mechanism includes: the swing motor 18 is installed on the swing motor base 14, one end of the rocker 13 is connected with the output end of the swing motor 18, the other end of the rocker 13 is rotatably connected with one end of the swing rod 12, and the other end of the swing rod 12 is rotatably connected with the rotating motor base 10.
The hemispherical surface grinder further comprises: the guide plate 19 and the guide support 20, the guide support 20 is installed on the upper end of the swing support platform 15, the guide plate 19 is installed on the guide support 20, and the swing rod 12 is supported and guided through the guide support 20, so that the swing rod 12 is prevented from shaking in the movement process.
Due to the adoption of the technology, compared with the prior art, the invention has the following positive effects:
(1) According to the invention, the semi-spherical grinder utilizes the principle that two circles are all in a whole arc when buckled, and adopts the matching of the grinding workpiece which is actively rotated and swung and the rotary table which is actively rotated, so that the grinding tool is in contact with the surface of the workpiece in differential rotation, the grinding of the spherical surface of a product is realized, the processing speed is high, the sphericity and the surface process are high, the structure is simple, and the equipment cost is low;
(2) The invention meets the requirement of high-efficiency grinding of the spherical surface in the air bearing, and the spherical surfaces of the outer ring ball socket and the inner ring of the air bearing are formed in a precise grinding mode, so that the sphericity and the roughness of the surface are improved, and the production efficiency is improved by replacing manual grinding.
Drawings
FIG. 1 is a schematic structural view of a hemispherical grinder according to the present invention.
FIG. 2 is a schematic top view of a hemispherical grinder of the present invention.
In the drawings: 1. fixing the support table; 2. a bull gear; 3. a bearing; 4. a sealing cover; 5. rotating the working table; 6. a supporting seat; 7. a spherical grinding tool; 8. grinding the workpiece; 9. pressing a workpiece cover; 10. a rotating motor base; 11. a workpiece rotating motor; 12. a swing rod; 13. a rocker; 14. swinging the motor base; 15. swinging the support platform; 16. a pinion gear; 17. a rotary table motor; 18. a swing motor; 19. a guide plate; 20. and (4) guiding and supporting.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 and 2, a hemispherical grinder is shown, which comprises:
the device comprises a fixed supporting platform 1 and a swinging supporting platform 15, wherein the swinging supporting platform 15 is arranged on the fixed supporting platform 1;
the spherical surface grinding tool 7 is arranged on the rotating mechanism, the rotating mechanism is driven by the rotating mechanism driven by the rotating table motor 17 to drive the spherical surface grinding tool 7 to rotate in a horizontal plane, and the spherical surface grinding tool 7 is provided with a spherical groove;
the grinding device comprises a swinging mechanism, a swinging motor 18 and a workpiece rotating motor 11, wherein the swinging mechanism and the swinging motor 18 are both installed on a swinging supporting platform 15, the swinging motor 18 is connected with the swinging mechanism, a grinding workpiece 8 is connected with the workpiece rotating motor 11, the grinding workpiece 8 is arranged in a spherical groove, the swinging mechanism is driven by the swinging motor 18 to drive the grinding workpiece 8 to swing in a vertical plane, the workpiece rotating motor 11 is used for driving the grinding workpiece 8 to rotate in the spherical groove, and the grinding workpiece 8 in the spherical groove is ground by a spherical grinding tool 7.
Further, in a preferred embodiment, the method further comprises: the workpiece gland 9, the output shaft of the workpiece rotating motor 11 and the workpiece gland 9 are connected, the grinding workpiece 8 is arranged on the workpiece gland 9, and the grinding workpiece 8 is driven to move in the spherical groove through the workpiece gland 9.
Further, in a preferred embodiment, the fixed supporting platform 1 is provided with a mounting through hole, and the rotating mechanism comprises: gear wheel 2, pinion 16 and swivel work head 5, gear wheel 2 and swivel work head 5 coaxial setting and link, and swivel work head 5 installs in the installation through-hole, and pinion 16 and the output of revolving stage motor 17 are connected, and pinion 16 and gear wheel 2 mesh mutually.
Further, in a preferred embodiment, the rotating mechanism further comprises: bearing 3 and sealed lid 4, fixed brace table 1 and swivel work head 5 rotate through bearing 3 to be connected, and sealed lid 4 is installed on fixed brace table 1, carries out axial fixity through sealed lid 4 to bearing 3.
Further, in a preferred embodiment, the method further comprises: the supporting seat 6, the spherical grinding tool 7 and the rotary worktable 5 are connected through the supporting seat 6.
Further, in a preferred embodiment, the method further comprises: the swing motor cabinet 14, swing motor cabinet 14 installs the upper end at swing supporting platform 15.
Further, in a preferred embodiment, the method further comprises: the rotary motor base 10 and the workpiece rotary motor 11 are installed in the rotary motor base 10.
Further, in a preferred embodiment, the swing mechanism includes: the swing motor 18 is installed on a swing motor base 14, one end of the swing rod 13 is connected with the output end of the swing motor 18, the other end of the swing rod 13 is rotatably connected with one end of the swing rod 12, and the other end of the swing rod 12 is rotatably connected with the rotary motor base 10.
Further, in a preferred embodiment, the method further comprises: the swing support platform comprises a guide plate 19 and a guide support 20, the guide support 20 is installed at the upper end of the swing support platform 15, the guide plate 19 is installed on the guide support 20, the swing rod 12 is supported and guided through the guide support 20, and the swing rod 12 is prevented from shaking in the moving process.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments based on the above description:
in order to meet the requirement of efficient grinding of spherical surfaces in air bearings, the invention provides an automatic grinding device, and aims to provide a hemispherical grinder which is used for forming spherical surfaces of outer rings and inner rings of air bearings in a precise grinding mode to improve the sphericity and roughness of the surfaces, so that manual grinding is replaced and the production efficiency is improved.
In a further embodiment of the present invention, a hemispherical grinder comprises a spherical grinder 7 and a grinding workpiece 8, wherein the spherical grinder 7 and a grinding tool support 6 are fixed on a rotary table 5, and are connected with an output shaft of a rotary table motor 17 through a bull gear 2 and a pinion gear 16, so that the rotary table 5 and the spherical grinder 7 rotate actively. The grinding workpiece 8 is fixedly connected with the workpiece gland 9 and is connected with an output shaft of the workpiece rotating motor 11, so that the active spinning of the grinding workpiece 8 is realized. The workpiece rotating motor 11 is fixed on the swinging motor base 14 and is connected with an output shaft of a swinging motor 18 through a swinging rod 12 and a swinging rod 13, so that the workpiece rotating motor 11, the rotating motor base 10 and the workpiece 8 to be ground can swing actively. The swing center is located on the rotating shaft of the rotary worktable 5, and the swing center is also located on the rotating shaft of the grinding workpiece 8.
In a further embodiment of the invention, the fixed support table 1 comprises: the desk comprises a desk plate and desk legs, wherein each corner of the desk plate is provided with one desk leg, and the desk plate is provided with a mounting through hole.
In a further embodiment of the present invention, the swing link 12 is in clearance fit with the pair of guide plates 19 and moves in the plane space limited by the guide plates 19, so as to avoid tilting during the swing process.
In a further embodiment of the invention, the output shaft of the rotating table motor 17 is fixedly connected with the pinion 16, and the rotating table 5 is fixedly connected with the bull gear 2, so that the output rotating speed of the motor is reduced and the output torque is improved.
In a further embodiment of the present invention, the rocker 13 and the swing link 12, and the swing link 12 and the rotating motor base 10 are in clearance fit through a pin shaft, and the pin shaft is made of polytetrafluoroethylene material to reduce friction with metal material.
In a further embodiment of the present invention, the rotary table 5, the grinding workpiece 8, and the spherical grinder 7 all have through holes for allowing the grinding fluid to pass through, thereby collecting the grinding fluid under the device.
In a further embodiment of the invention, the workpiece gland 9 adopts a seal ring and labyrinth seal structure, so that the grinding fluid is prevented from flowing into the bearing 3 after being scattered on the fixed support platform 1 to cause pollution and damage to the bearing 3.
In a further embodiment of the invention, a plurality of groups of mounting holes with different radiuses are circumferentially arranged on the rotary worktable 5 so as to meet the mounting requirements of spherical grinders 7 and grinding workpieces 8 with different sizes and realize the grinding requirements of parts with different specifications.
In a further embodiment of the present invention, when the self-mass of the grinding workpiece 8 is large, the required grinding force can be ensured only by the self-weight, and when the self-mass is small, the rotating motor base 10 can be added with a weight to increase the grinding force.
In a further embodiment of the invention, the original spherical grinding tool 7 is replaced by a ball socket to be ground, and the original grinding workpiece 8 is replaced by a spherical grinding tool, so that the grinding of the ball socket surface can be realized.
In a further embodiment of the invention, the semi-spherical grinder utilizes the principle that two circles are all in a complete arc when buckled with each other, and adopts the matching of the grinding workpiece which is actively rotated and swung and the rotary table which is actively rotated to realize the differential rotation ground surface contact of the spherical grinder 7 and the grinding workpiece 8, thereby realizing the grinding of the spherical surface of the product, and having high processing speed, high sphericity and surface process, simple structure and low equipment cost.
In a further embodiment of the present invention, please refer to fig. 1, which provides a hemispherical grinder in this embodiment, including a fixed supporting platform 1, a gearwheel 2, a bearing 3, a sealing cover 4, a rotary table 5, a supporting base 6, a spherical grinding tool 7, a workpiece to be ground 8, a workpiece pressing cover 9, a rotary motor base 10, a workpiece rotary motor 11, a swing link 12, a swing rod 13, a swing motor base 14, a swing supporting platform 15, a pinion 16, a rotary table motor 17, a swing motor 18, a guiding plate 19, and a guiding support 20.
In a further embodiment of the invention, there is a relative movement between the workpiece 8 to be ground and the spherical grinder 7, so that an automated grinding of the workpiece 8 to be ground is possible.
In a further embodiment of the invention, the rotary table motor 17 rotates the rotary table 5 via the pinion 16 and the gearwheel 2, wherein the gearings cooperate to decelerate the motor output while increasing the output torque.
In a further embodiment of the invention, the workpiece rotating motor 11 is fixed in the rotating motor base 10, the output shaft thereof is connected with the workpiece gland 9, and the workpiece gland 9 is assembled with the workpiece 8 to be ground, thereby realizing the rotation of the workpiece 8.
In a further embodiment of the invention, the swing motor 18 is fixed to a swing motor mount 14, which is in turn fixed to a swing support 15. The swing motor is connected with the rotating motor base 10 through a rocker 13 and a swing rod 12. The rocker 13 and the swing rod 12, and the connecting shafts between the swing rod 12 and the rotating motor base 10 are in clearance fit, and have rotational freedom degrees therebetween, so that the swing motor 18 can drive the workpiece 8 to be ground to swing.
In a further embodiment of the present invention, the swing link 12 moves in a pair of guide plates 19 fixed to the guide supports 20 for the purpose of preventing the swing link 12 from wobbling in space, and the guide plates 19 may be made of teflon material to reduce friction with the swing link 12.
In a further embodiment of the present invention, the rotating speed of the rotating table motor does not need to be too high, and the rotating table motor moves at a constant speed after selecting a rotating speed. Differential motion is realized between the swing rod motor 18 and the workpiece rotating motor 11, and the output rotating speed ratio is preferably a ratio of prime numbers, so that the probability of randomly and uniformly grinding the surface of the workpiece to be ground is realized.
In a further embodiment of the present invention, the swing angle of the grinding workpiece can be adjusted by changing the lengths of the rocker 13 and the swing rod 12.
In a further embodiment of the present invention, in order to collect the slurry during the grinding process, axial holes are formed in the workpiece 8 to be ground, the grinding tool 7, the rotary table 5 and the bull gear 2, and a slurry collecting device can be arranged below the bull gear 2.
In a further embodiment of the present invention, when the self-mass of the grinding workpiece 8 is large, the required grinding force can be ensured only by the self-weight, and when the self-mass is small, the weight can be added to the rotary motor base 10.
In a further embodiment of the invention, the sealing cover 4 adopts a sealing ring and labyrinth sealing structure, so that the grinding fluid is prevented from flowing into the bearing 3 after being scattered on the fixed supporting platform 1 to cause pollution and damage to the bearing.
In a further embodiment of the present invention, several sets of mounting holes with different radii are circumferentially arranged on the rotating platform 5 to satisfy the mounting of grinding tools and grinding workpieces with different sizes.
In a further embodiment of the invention, the grinding tool 7 is replaced by a ball socket to be ground, and the original grinding workpiece 8 is replaced by a spherical grinding tool, so that the grinding of the ball socket surface can be realized.
In a further embodiment of the present invention, the bearing 3 is a cross roller bearing, which provides a large axial bearing capacity and a certain radial bearing capacity.
In a further embodiment of the invention, the spherical grinding machine utilizes the principle that two circles of any size are full arcs when buckled, and adopts the matching of the grinding workpiece which rotates actively and swings and the rotary table which rotates actively to realize the contact of the grinding tool and the differential rotation ground surface of the workpiece, thereby realizing the grinding of the spherical surface of the product, and having high processing speed, high sphericity and surface process, simple structure and low equipment cost.
In a further embodiment of the present invention, the bull gear 2, the bearing 3, the sealing cover 4, the rotary table 5, the supporting seat 6, and the spherical grinding tool 7 are coaxially disposed.
In a further embodiment of the invention, the workpiece 8 to be ground, the workpiece pressing cover 9 and the output shaft of the workpiece rotating motor 11 are coaxially arranged.
In a further embodiment of the present invention, the connecting shaft connecting the swing link 12 and the rotary motor base 10 and the output shaft of the swing motor 18 are located at the same level.
In a further embodiment of the present invention, a through hole for discharging the polishing slurry is disposed in the middle of the rotating table 5, a trough is disposed on the upper side of the rotating table 5, a through hole is disposed in the middle of the supporting base 6, and a cavity structure is formed by the spherical grinding tool 7, the supporting base 6 and the rotating table 5, and is used for temporarily accommodating the polishing slurry and debris generated during the polishing process of the polishing workpiece 8.
In a further embodiment of the invention, the workpiece gland 9 and the grinding workpiece 8 are provided with through holes which are communicated with each other, and the grinding fluid is injected during the grinding process of the grinding workpiece 8 through the through holes which are communicated with each other.
In a further embodiment of the present invention, a through hole is formed in the middle of the spherical groove of the spherical grinder 7, and the polishing slurry flowing through the polishing workpiece 8 flows into the cavity surrounded by the spherical grinder 7, the supporting base 6 and the rotary table 5 via the through hole of the spherical groove, and finally is discharged via the through hole in the middle of the rotary table 5.
In a further embodiment of the present invention, the grinding workpiece 8 is driven to rotate by the workpiece rotating motor 11, the spherical grinding tool 7 is driven to rotate by the rotating table motor 17, the rotation speeds of the grinding workpiece 8 and the spherical grinding tool 7 are different, and the grinding workpiece 8 is ground by the spherical grinding tool 7 at a differential speed.
In a further embodiment of the present invention, the workpiece rotating motor 11 is driven by the swing motor 18 to swing in the vertical plane, so as to drive the grinding workpiece 8 to swing in the spherical grinding tool 7, and the grinding workpiece 8 is ground with a uniform spherical radius by the spherical grinding tool 7.
In a further embodiment of the present invention, the spherical grinding tool 7 is used to grind the grinding workpiece 8, the gravity of the grinding workpiece 8 is used as the pressing force between the spherical grinding tool 7 and the grinding workpiece 8, if the grinding workpiece 8 has a light weight, the pressing force is reduced, which affects the grinding effect, and a weight is installed on the rotating motor base 10 to enhance the pressing force between the spherical grinding tool 7 and the grinding workpiece 8, thereby ensuring the grinding effect.
In a further embodiment of the invention, the grinding workpiece 8 is ground by the spherical grinding tool 7, so that the mechanical automatic operation is realized, the grinding efficiency is effectively enhanced, and the grinding effect is ensured.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (9)

1. A hemispherical grinder, comprising:
the device comprises a fixed supporting table (1) and a swinging supporting platform (15), wherein the swinging supporting platform (15) is arranged on the fixed supporting table (1);
the spherical surface grinding tool comprises a spherical surface grinding tool (7), a rotating mechanism and a rotating table motor (17), wherein the rotating mechanism and the rotating table motor (17) are both arranged on the fixed supporting table (1), the spherical surface grinding tool (7) is arranged on the rotating mechanism, the rotating mechanism is driven by the rotating table motor (17) to drive the spherical surface grinding tool (7) to rotate in a horizontal plane, and a spherical groove is formed in the spherical surface grinding tool (7);
swing mechanism, swing motor (18) and work piece rotating electrical machines (11), swing mechanism and swing motor (18) are all installed on swing supporting platform (15), swing motor (18) with swing mechanism connects, grinds work piece (8) with work piece rotating electrical machines (11) are connected, grind work piece (8) and arrange in the spherical groove, through swing motor (18) drive swing mechanism drives grind work piece (8) and swing in vertical plane, work piece rotating electrical machines (11) are used for the drive grind work piece (8) and be in the spherical groove internal rotation, through sphere grinding apparatus (7) are to being located in the spherical groove grind work piece (8).
2. The hemispherical grinder of claim 1, further comprising: the grinding machine comprises a workpiece gland (9), an output shaft of a workpiece rotating motor (11) is connected with the workpiece gland (9), a grinding workpiece (8) is installed on the workpiece gland (9), and the grinding workpiece (8) is driven to move in the spherical groove through the workpiece gland (9).
3. The grinder for hemispherical surfaces as claimed in claim 1, wherein the fixed support table (1) is provided with a mounting through hole, and the rotating mechanism comprises: gear wheel (2), pinion (16) and swivel work head (5), gear wheel (2) with swivel work head (5) coaxial arrangement and be connected, swivel work head (5) are installed in the mounting hole, the output of pinion (16) and revolving stage motor (17) is connected, pinion (16) with gear wheel (2) mesh mutually.
4. The hemispherical grinder of claim 3, wherein the rotation mechanism further comprises: bearing (3) and sealed lid (4), fixed brace table (1) with swivel work head (5) pass through bearing (3) rotate the connection, sealed lid (4) are installed on fixed brace table (1), through sealed lid (4) are right bearing (3) carry out axial fixity.
5. The hemispherical grinder of claim 1, further comprising: the supporting seat (6), sphere bedding and milling utensil (7) with swivel work head (5) pass through supporting seat (6) are connected.
6. The hemispherical grinder of claim 1, further comprising: the swing motor base (14), swing motor base (14) are installed at the upper end of swing supporting platform (15).
7. The hemispherical grinder of claim 6, further comprising: the workpiece rotating motor (11) is installed in the rotating motor base (10).
8. The hemispherical grinder of claim 7, wherein the oscillating mechanism comprises: the swing mechanism comprises a swing rod (12), a rocker (13) and a swing motor (18), wherein the swing motor (18) is installed on a swing motor base (14), one end of the rocker (13) is connected with the output end of the swing motor (18), the other end of the rocker (13) is rotatably connected with one end of the swing rod (12), and the other end of the swing rod (12) is rotatably connected with the rotating motor base (10).
9. The hemispherical grinder of claim 8, further comprising: deflector (19) and direction support (20), direction support (20) are installed the upper end of swing supporting platform (15), deflector (19) are installed on direction support (20), through direction support (20) are right pendulum rod (12) support and guide avoid pendulum rod (12) take place to rock in the motion process.
CN202210978475.2A 2022-08-16 2022-08-16 Hemispherical grinder Pending CN115139189A (en)

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Application Number Priority Date Filing Date Title
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CN213380802U (en) * 2020-10-28 2021-06-08 江苏沃圣阀业有限公司 Grinding device is used in research and development production of high strength ball valve
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Publication number Priority date Publication date Assignee Title
CN102814729A (en) * 2012-09-05 2012-12-12 江苏腾旋科技股份有限公司 Concave spherical surface grinding mechanism
CN203792128U (en) * 2013-12-03 2014-08-27 河南上蝶阀门股份有限公司 Valve flap grinding machine of semi-ball valve
CN104325387A (en) * 2014-10-24 2015-02-04 浙江祺隆阀门有限公司 Ball body grinding machine
CN105252380A (en) * 2015-10-16 2016-01-20 吴忠仪表有限责任公司 Efficient ball core grinding device
CN205765591U (en) * 2016-05-25 2016-12-07 百汇精密塑胶模具（深圳）有限公司 A kind of 360 degree rotate polishing clamp
CN206296792U (en) * 2016-12-14 2017-07-04 吴忠仪表有限责任公司 Mill ball core apparatus
CN110303407A (en) * 2019-08-05 2019-10-08 四川欧曼机械有限公司 A kind of automatic ball-type valve seat grinder
CN111618735A (en) * 2020-06-24 2020-09-04 无锡市艾可密封技术有限公司 Concave spherical surface grinding machine
CN213380802U (en) * 2020-10-28 2021-06-08 江苏沃圣阀业有限公司 Grinding device is used in research and development production of high strength ball valve
CN213998868U (en) * 2020-12-25 2021-08-20 开封市瑞发高中压阀门有限公司 Simple tool for lapping and grinding valve spherical sealing surface

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Application publication date: 20221004