CN110303407B - Automatic ball-type valve seat grinding machine - Google Patents
Automatic ball-type valve seat grinding machine Download PDFInfo
- Publication number
- CN110303407B CN110303407B CN201910718569.4A CN201910718569A CN110303407B CN 110303407 B CN110303407 B CN 110303407B CN 201910718569 A CN201910718569 A CN 201910718569A CN 110303407 B CN110303407 B CN 110303407B
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- China
- Prior art keywords
- connecting rod
- valve seat
- driving device
- rotary driving
- grinding
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/04—Machines or devices designed for grinding seat surfaces; Accessories therefor on valve members
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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
- B24B37/00—Lapping machines or devices; Accessories
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses an automatic ball-shaped valve seat grinding machine, and belongs to the technical field of ball-shaped valve seat grinding. The grinding machine solves the problems that the grinding machine in the prior art has the limitation of grinding space, relies on the skills of personnel, consumes more labor hour and has poor quality stability. The grinding device comprises a support frame, a servo motor, a chuck and a grinding valve seat, wherein the servo motor is arranged at the bottom of one side of the support frame, the bottom of the chuck is connected with the output end of the servo motor, the grinding valve seat is fixed at the top of the chuck, a support plate is arranged at the other side of the support frame, a clamping sleeve for clamping the spherical valve seat is arranged at the upper part of the grinding valve seat, the top of the clamping sleeve is connected with a rotary driving device, the rotation direction of the rotary driving device is opposite to that of the servo motor, and the rotary driving device is connected with the support plate through a connecting rod structure; the rotary driving device is also connected with a power transmission control mechanism for driving the rotary driving device to do reciprocating motion.
Description
Technical Field
The invention relates to the technical field of ball-type valve seat grinding, in particular to an automatic ball-type valve seat grinding machine.
Background
With the increasing change of the spherical valve seat, the biggest difficulty in the production process is that the labor cost is too high, and the quality stability of the product is not well controlled. To solve this problem, grinding has evolved from manual hand grinding to automated operation of the equipment.
The existing grinding machine only has a transmission mechanism, when in operation, only the valve seat rotates, and the spherical valve seat can realize the whole grinding of the spherical surface only by manually swinging left and right. There are defects of limited grinding space, dependence on personnel skills, more labor consumption, poor quality stability and the like.
Disclosure of Invention
The invention provides an automatic ball-shaped valve seat grinding machine, which aims to solve the problems that a grinding machine in the prior art has a limitation of grinding space, relies on the skills of personnel, consumes more labor hour and is poor in quality stability.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the automatic ball-type valve seat grinding machine comprises a support frame, a servo motor, a chuck and a grinding valve seat, wherein the servo motor is arranged at the bottom of one side of the support frame, the bottom of the chuck is connected with the output end of the servo motor, the grinding valve seat is fixed at the top of the chuck, a support plate is arranged at the other side of the support frame, a clamping sleeve for clamping the ball-type valve seat is arranged at the upper part of the grinding valve seat, the top of the clamping sleeve is connected with a rotary driving device, the rotation direction of the rotary driving device is opposite to that of the servo motor, and the rotary driving device is connected with the support plate through a connecting rod structure; the rotary driving device is also connected with a power transmission control mechanism for driving the rotary driving device to do reciprocating motion.
When the grinding device works, the spherical valve seat is fastened on the cutting sleeve through the bolts by manpower, grinding paste is coated on the grinding valve seat, then the grinding valve seat is placed on the grinding valve seat, the servo motor and the rotary driving device are started, the servo motor can drive the grinding valve seat to rotate all the time, the cutting sleeve rotates in the direction opposite to the rotating direction of the grinding valve seat through the rotary driving device, and the grinding is better carried out on the grinding valve seat and the spherical valve seat when the cutting sleeve moves oppositely.
Meanwhile, the rotary driving device repeatedly moves under the action of the power transmission control mechanism and the connecting rod mechanism. The rotary driving device drives the clamping sleeve to rotate 360 degrees, namely the ball-shaped valve seat to be ground rotates 360 degrees, and then the ball-shaped valve seat simultaneously performs repeated swinging motion similar to a tumbler under the action of the power transmission control mechanism and the connecting rod mechanism under the condition of 360 degrees rotation, so that the hemispherical surfaces of the ball-shaped valve seats can be ground. The spherical surface is detected after the automatic operation is carried out for several hours, and the first part is processed after the spherical surface is qualified. The cyclic operation is operated in this way.
Further, the rotary driving device comprises a motor and a connecting rod, one end of the connecting rod is fixedly connected to the top of the clamping sleeve, and the other end of the connecting rod is connected with the output end of the motor. The motor can drive the clamping sleeve to rotate 360 degrees through the connecting rod. Meanwhile, the connecting rod is arranged to be driven by the power transmission control mechanism to do reciprocating motion better.
Further, the link mechanism comprises a first link and a second link, one end of the first link is connected with a clamp pin shaft sleeved on the motor, the other end of the first link is connected with one end of the second link through a pin shaft, and the other end of the second link is connected with the support plate through a pin shaft. The first connecting rod plays a role of fixing the motor, and simultaneously, in order to meet the requirement that the motor reciprocates while working, the first connecting rod is also connected with a second connecting rod through a pin shaft to form a connecting rod mechanism.
Further, the power transmission control mechanism comprises an electric push rod, a limiter and a supporting beam, one end of the electric push rod is fixedly connected to the supporting plate, the other end of the electric push rod is connected with the limiter, a through limiting guide groove is formed in the other end of the limiter in the vertical direction, the connecting rod penetrates through the limiting guide groove, and the supporting beam is arranged between the electric push rod and the supporting frame. The electric putter's effect is for motor reciprocating motion provides power, and the effect of stopper is realized reciprocating limiting to the motor, specifically is through the spacing guide way on the stopper, and the connecting rod runs through spacing guide way setting, does not influence the rotation that the connecting rod carries out under electric motor's drive like this, simultaneously, can be reciprocating motion under the effect of stopper again. In the grinding process, the spherical valve seat is embedded into the groove of the grinding valve seat, and the spherical valve seat and the groove are in spherical contact, so that the limiting guide groove also plays a certain limiting role in preventing the motor from deviating.
Further, the cross section of the limiting guide groove is in an hourglass shape, and the diameter of the connecting rod is smaller than or equal to the width of the limiting guide groove. The hourglass-shaped limiting guide groove is convenient to match with the connecting rod.
Further, when the electric push rod drives the rotary driving device to do reciprocating motion through the limiter, the included angle between the first connecting rod and the second connecting rod is smaller than 180 degrees. The first and second links are prevented from moving to a dead center position of the link structure and cannot continue to move.
Further, the outer wall of the connecting rod is coated with lubricating oil. The connecting rod is convenient to rotate under the action of the motor, and friction force is reduced when the connecting rod contacts with the limiting guide groove, so that the rotation of the connecting rod is not influenced.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention discloses an automatic ball-type valve seat grinding machine, which is characterized in that the grinding machine is provided with a ball-type valve seat grinding machine, a ball-type valve seat grinding machine and a ball-type valve seat grinding machine. Replaces manual grinding and enhances the practicability. The prototype is examined, so that the quality of the sample is better than that of manual grinding, the cost is lower, and the efficiency is higher; meanwhile, the problems of manual experience dependence and unstable quality are solved. Meanwhile, the manpower is liberated, the whole equipment is small and convenient, and the equipment can be used in most environments.
2. The motor can drive the clamping sleeve to rotate 360 degrees through the connecting rod. Meanwhile, the connecting rod is arranged to be driven by the power transmission control mechanism to do reciprocating motion better.
3. The first connecting rod plays a role of fixing the motor, and simultaneously, in order to meet the requirement that the motor reciprocates while working, the first connecting rod is also connected with a second connecting rod through a pin shaft to form a connecting rod mechanism.
4. The electric push rod has the function of providing power for the motor to reciprocate, and the limiter has the function of realizing reciprocating limiting of the motor, particularly, the connecting rod penetrates through the limiting guide groove on the limiter, so that the rotation of the connecting rod under the drive of the electric motor is not influenced, and meanwhile, the reciprocating motion can be realized under the action of the limiter. In the grinding process, the spherical valve seat is embedded into the groove of the grinding valve seat, and the spherical valve seat and the groove are in spherical contact, so that the limiting guide groove also plays a certain limiting role in preventing the motor from deviating.
Drawings
FIG. 1 is a schematic view of an automatic ball-type valve seat grinder according to the present invention;
FIG. 2 is a schematic illustration of the connection of the ferrule and connecting rod of an automatic ball-type valve seat grinder of the present invention;
FIG. 3 is a schematic view of the connection structure of the ferrule and connecting rod of an automatic ball-type valve seat grinder of the present invention;
FIG. 4 is a schematic view of the structure of a retainer of an automatic ball-type valve seat grinder of the present invention;
fig. 5 is an X-X cross-sectional view of fig. 4.
The marks in the figure: the device comprises a 1-supporting frame, a 2-servo motor, a 3-chuck, a 4-grinding valve seat, a 5-supporting plate, a 6-ball valve seat, a 7-clamping sleeve, an 8-motor, a 9-connecting rod, a 10-first connecting rod, a 11-second connecting rod, a 12-clamping hoop, a 13-electric push rod, a 14-limiter, a 15-supporting beam and a 16-limiting guide groove.
Detailed Description
The present invention is further described below in conjunction with embodiments, which are merely some, but not all embodiments of the present invention. Based on the embodiments of the present invention, other embodiments that may be used by those of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Example 1:
as shown in fig. 1, an automatic ball-type valve seat grinder comprises a support frame 1, a servo motor 2, a chuck 3 and a grinding valve seat 4, wherein the servo motor 2 is arranged at the bottom of one side of the support frame 1, and in the embodiment, the model of the servo motor 2 is as follows: 220V AC speed regulating motor, model 3 GN-200K. The bottom of the chuck 3 is connected with the output end of the servo motor 2, the grinding valve seat 4 is fixed at the top of the chuck 3, the other side of the support frame 1 is provided with a support plate 5, the upper part of the grinding valve seat 4 is provided with a clamping sleeve 7 for clamping the spherical valve seat 6, the top of the clamping sleeve 7 is connected with a rotary driving device, the rotation direction of the rotary driving device is opposite to that of the servo motor 2, and the rotary driving device is connected with the support plate 5 through a connecting rod structure; the rotary driving device is also connected with a power transmission control mechanism for driving the rotary driving device to do reciprocating motion.
As shown in fig. 2 to 3, in the present embodiment, the rotation driving device includes a motor 8 and a connecting rod 9, and in the present embodiment, the motor 8 is of the type: orthographic ZGB37RG. One end of the connecting rod 9 is fixedly connected to the top of the clamping sleeve 7, and the other end of the connecting rod 9 is connected with the output end of the motor 8. In this embodiment, the connecting rod 9 and the ferrule 7 are of an integrally formed construction. The motor 8 can drive the clamping sleeve 7 to rotate 360 degrees through the connecting rod 9. Meanwhile, the connecting rod 9 is arranged to be driven by the power transmission control mechanism to do reciprocating motion better.
In this embodiment, the power transmission control mechanism includes an electric push rod 13, a limiter 14, and a support beam 15, and in this embodiment, the electric push rod 13 is of the type: XTL100. One end of the electric push rod 13 is fixedly connected to the supporting plate 5, the other end of the electric push rod 13 is connected with the limiter 14, a through limit guide groove 16 is formed in the other end of the limiter 14 in the vertical direction, as shown in fig. 4, the connecting rod 9 penetrates through the limit guide groove 16, and the supporting beam 15 is arranged between the electric push rod 13 and the supporting frame 1.
As shown in fig. 5, preferably, the cross section of the limit guiding groove 16 is in an hourglass shape, and the diameter of the connecting rod 9 is smaller than or equal to the width of the limit guiding groove 16. The hourglass-shaped limit guide groove 16 is convenient for playing a role of steering limit and is easy to be matched with the connecting rod 9 for use.
Preferably, the outer wall of the connecting rod 9 is coated with lubricating oil. The connecting rod 9 is convenient to rotate under the action of the motor 8, and meanwhile, friction force is reduced when the connecting rod contacts with the limit guide groove 16, and the rotation of the connecting rod is not influenced.
The invention discloses an automatic ball-type valve seat grinding machine, which is characterized in that the grinding machine is provided with a ball-type valve seat grinding machine, a ball-type valve seat grinding machine and a ball-type valve seat grinding machine.
When the ball-shaped valve seat grinding device works, the ball-shaped valve seat 6 is fastened on the cutting sleeve 7 through the bolts by people, grinding paste is coated on the grinding valve seat 4, then the ball-shaped valve seat grinding device is placed on the grinding valve seat 4, the servo motor 2 and the rotary driving device are started, the servo motor 2 can drive the grinding valve seat 4 to rotate all the time, the cutting sleeve 7 rotates in the direction opposite to the rotation direction of the grinding valve seat 4 through the rotary driving device, and grinding is better carried out on the grinding valve seat 4 and the ball-shaped valve seat when the cutting sleeve 7 does opposite movement.
Meanwhile, the rotary driving device repeatedly moves under the action of the power transmission control mechanism and the connecting rod mechanism. The rotary driving device drives the clamping sleeve 7 to rotate 360 degrees, namely the ball-shaped valve seat 6 to be ground rotates 360 degrees, and then the ball-shaped valve seat 6 simultaneously swings repeatedly like a tumbler under the action of the power transmission control mechanism and the connecting rod mechanism under the condition of 360 degrees rotation, so that the hemispherical surface of the ball-shaped valve seat 6 can be ground. The spherical surface is detected after the automatic operation is carried out for several hours, and the first part is processed after the spherical surface is qualified. The cyclic operation is operated in this way.
In this embodiment, the electric push rod 13 is used for providing power for the motor 8 to reciprocate, the limiter 14 is used for realizing reciprocating limiting of the motor 8, specifically, the connecting rod 9 penetrates through the limiting guide groove 16 on the limiter 14, so that the rotation of the connecting rod 9 under the driving of the electric motor 8 is not affected, and meanwhile, the reciprocating motion can be performed under the action of the limiter 14. Because the spherical valve seat is embedded into the groove of the grinding valve seat 4 in the grinding process, and the spherical valve seat and the groove are in spherical contact, the limiting guide groove 16 also plays a certain limiting role in preventing the motor 8 from deviating.
In order to meet the production conditions in more practical use, a speed regulator is added on the servo motor 2 at the bottom of the support frame 1, and the rotation speed of the grinding valve seat 4 can be regulated according to practical requirements through the speed regulator.
Example 2:
as shown in fig. 1, this embodiment is further optimized on the basis of embodiment 1, and this embodiment focuses on the improvement compared with embodiment 1, and the same points are not repeated, in this embodiment, the link mechanism includes a first link 10 and a second link 11, one end of the first link 10 is in pin connection with a collar 12 sleeved on the motor 8, the other end of the first link 10 is in pin connection with one end of the second link 11, and the other end of the second link 11 is in pin connection with the support plate 5. The first connecting rod 10 plays a role of fixing the motor 8, and in order to meet the requirement that the motor 8 reciprocates while working, the first connecting rod 10 is also connected with a second connecting rod 11 through a pin shaft to form a connecting rod mechanism.
When the electric push rod 13 drives the rotary driving device to do reciprocating motion through the limiter 14, the included angle between the first connecting rod 10 and the second connecting rod 11 is smaller than 180 degrees. The first link 10 and the second link 11 are prevented from moving to the dead point position of the link structure and cannot continue to move.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The utility model provides an automatic ball-type disk seat grinds machine, includes support frame (1), servo motor (2), chuck (3) and grinds disk seat (4), and servo motor (2) set up the bottom in one side of support frame (1), and the bottom of chuck (3) is connected with the output of servo motor (2), grinds the top at chuck (3) fixed at disk seat (4), its characterized in that: a supporting plate (5) is arranged on the other side of the supporting frame (1), a clamping sleeve (7) for clamping the spherical valve seat (6) is arranged on the upper part of the grinding valve seat (4), the top of the clamping sleeve (7) is connected with a rotary driving device, the rotation direction of the rotary driving device is opposite to that of the servo motor (2), and the rotary driving device is connected with the supporting plate (5) through a connecting rod structure; the rotary driving device is also connected with a power transmission control mechanism for driving the rotary driving device to do reciprocating motion; the rotary driving device comprises a motor (8) and a connecting rod (9), one end of the connecting rod (9) is fixedly connected to the top of the clamping sleeve (7), and the other end of the connecting rod (9) is connected with the output end of the motor (8); the connecting rod structure comprises a first connecting rod (10) and a second connecting rod (11), one end of the first connecting rod (10) is in pin shaft connection with a clamp (12) sleeved on the motor (8), the other end of the first connecting rod (10) is in pin shaft connection with one end of the second connecting rod (11), and the other end of the second connecting rod (11) is in pin shaft connection with the supporting plate (5); the power transmission control mechanism comprises an electric push rod (13), a limiter (14) and a supporting beam (15), one end of the electric push rod (13) is fixedly connected to the supporting plate (5), the other end of the electric push rod (13) is connected with the limiter (14), a through limit guide groove (16) is formed in the other end of the limiter (14) in the vertical direction, the connecting rod (9) penetrates through the limit guide groove (16), and the supporting beam (15) is arranged between the electric push rod (13) and the supporting frame (1); the cross section of the limiting guide groove (16) is in an hourglass shape, and the diameter of the connecting rod (9) is smaller than or equal to the width of the limiting guide groove (16); when the electric push rod (13) drives the rotary driving device to do reciprocating motion through the limiter (14), the included angle between the first connecting rod (10) and the second connecting rod (11) is smaller than 180 degrees.
2. An automatic ball-type valve seat grinder as set forth in claim 1, wherein: the outer wall of the connecting rod (9) is coated with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718569.4A CN110303407B (en) | 2019-08-05 | 2019-08-05 | Automatic ball-type valve seat grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718569.4A CN110303407B (en) | 2019-08-05 | 2019-08-05 | Automatic ball-type valve seat grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110303407A CN110303407A (en) | 2019-10-08 |
| CN110303407B true CN110303407B (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910718569.4A Active CN110303407B (en) | 2019-08-05 | 2019-08-05 | Automatic ball-type valve seat grinding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN110303407B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172543B (en) * | 2021-05-01 | 2022-07-08 | 金乡县恒海液压机械有限公司 | Inclined shaft type plunger motor small-opening spherical concave precision grinding machine |
| CN115139189A (en) * | 2022-08-16 | 2022-10-04 | 哈尔滨浩星科技有限公司 | Hemispherical grinder |
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