CN113635150B - Valve seat ring apparatus for producing - Google Patents
Valve seat ring apparatus for producing Download PDFInfo
- Publication number
- CN113635150B CN113635150B CN202110990890.5A CN202110990890A CN113635150B CN 113635150 B CN113635150 B CN 113635150B CN 202110990890 A CN202110990890 A CN 202110990890A CN 113635150 B CN113635150 B CN 113635150B
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- Prior art keywords
- valve seat
- seat ring
- cylinder
- plate
- block
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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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
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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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
-
- 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
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure 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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/363—Single-purpose machines or devices for grinding surfaces of revolution in situ
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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
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
The invention discloses a valve retainer production device, which comprises: the placement device is used for placing the valve seat ring; the electric driving device is used for driving the placement device to rotate; the polishing device comprises a connecting plate, abrasive materials and an inclined plate, wherein the inclined plate is arranged on the connecting plate, and the abrasive materials are detachably arranged on the connecting plate; the fixing device comprises an upper transverse plate, a lower transverse plate, a cylinder with two open ends and two pneumatic driving devices, wherein the pneumatic driving devices are arranged on the lower transverse plate and are used for driving the upper transverse plate to move up and down; the abutting device is used for enabling the abrasive to be always abutted with the outer wall of the valve seat ring in the polishing process; the cleaning device is used for cleaning the outer wall of the valve seat ring in the polishing process; and the detection device is used for detecting the size of the valve seat ring in the polishing process. According to the invention, the polishing device can be in self-adaptive contact with the outer wall of the valve seat ring, the polishing effect is good, the size of the valve seat ring in the polishing process can be detected, and the valve seat ring is prevented from being oversized or undersized after being polished.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a valve seat ring production device.
Background
The valve retainer is a component for cooperating with the valve, and when the valve is closed, the valve retainer plays a role in sealing, and the length of a sealing belt has an important influence on the performance of the engine. The traditional valve retainer is formed by melting and casting, the process level is low, the technology is behind, the product consistency is poor, and the subsequent polishing treatment is needed, so that the size of the valve retainer reaches the required assembly size. The prior polishing device can not always contact with the valve retainer in the polishing process, and can not detect the size of the valve retainer in the polishing process, so that the defects exist.
Disclosure of Invention
The invention aims to solve the technical problems and provides a valve seat ring production device.
The technical scheme of the invention is as follows: a valve seat insert production apparatus comprising:
the placement device is used for placing the valve seat ring;
the electric driving device is used for driving the placing device to rotate;
the polishing device comprises a connecting plate, an abrasive and an inclined plate, wherein the connecting plate is movably arranged on the placing device, the inclined plate is arranged on the connecting plate, a chute is arranged on the inclined plate, and the abrasive is detachably arranged on the connecting plate;
the fixing device is used for fixing the valve seat ring on the placing device and simultaneously fixing the valve seat ring in a closed space, and comprises an upper transverse plate, a lower transverse plate, a cylinder with two open ends and two pneumatic driving devices, wherein the pneumatic driving devices are arranged on the lower transverse plate, the cylinder is arranged on the upper transverse plate, and the pneumatic driving devices are used for driving the upper transverse plate to move up and down;
the abutting device is rotatably arranged on the cylinder and is used for enabling the abrasive to be always abutted against the outer wall of the valve seat ring in the polishing process;
the cleaning device is used for cleaning the outer wall of the valve seat ring in the polishing process;
the detection device is used for detecting the size of the valve seat ring in the polishing process and is electrically connected with the electric driving device and the pneumatic driving device.
Preferably, the placement device comprises a cylinder and a round table, the round table is arranged on the cylinder, and an annular cutting groove is formed in the top of the cylinder.
Preferably, the polishing device further comprises two stoppers, one of which is disposed on the cylinder and the other of which is disposed on the connection plate.
Preferably, the abutting device comprises a T-shaped connecting block, a first elastic piece and a top block, and the first elastic piece is connected with the connecting block and the top block.
Preferably, the cleaning device comprises a cleaning rod and a brush, and the brush is arranged on the cleaning rod.
Preferably, the detection device comprises a detection block, a second elastic piece, a marking piece, an inductor and a controller, wherein the second elastic piece is connected with the detection block and the placement device, the marking piece is arranged on the detection block, and the inductor is used for inducing the marking piece and sending an induced signal to the controller.
Preferably, the valve seat further comprises a buffer device for enabling the fixing device to be in adaptive contact with the top end of the valve seat.
Preferably, the buffer device comprises two guide rods and two third elastic pieces, and the third elastic pieces are arranged on the guide rods.
Preferably, the vacuum cleaner further comprises a hose, one end of which is arranged on the cylinder, and the other end of which is connected with external dust collection equipment.
The beneficial effects of the invention are as follows: according to the invention, the polishing device can be in self-adaptive contact with the outer wall of the valve seat ring, the polishing effect is good, the size of the valve seat ring in the polishing process can be detected, and the valve seat ring is prevented from being oversized or undersized after being polished.
Drawings
FIG. 1 is a front elevational view of the overall structure of a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
fig. 5 is a top view of a portion of a part in a preferred embodiment of the invention.
Reference numerals: the polishing machine comprises an electric driving device 1, a connecting plate 2, an abrasive 3, a sloping plate 4, a chute 401, an upper transverse plate 5, a lower transverse plate 6, a cylinder 7, an annular groove 701, a pneumatic driving device 8, a cylinder 9, an annular groove 901, a chute 902, a placing cavity 903, a round table 10, a connecting block 12, a first elastic piece 13, a top block 14, a cleaning rod 15, a brush 16, a detecting block 17, a second elastic piece 18, a marker 19, an inductor 20, a controller 21, a guide rod 22, a third elastic piece 23, a hose 24, a bottom plate 25 and a support column 26.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, a valve seat ring production apparatus includes:
the placement device is used for placing the valve seat ring;
an electric driving device 1 for driving the placing device to rotate;
the polishing device comprises a connecting plate 2, an abrasive 3 and an inclined plate 4, wherein the connecting plate 2 is movably arranged on the placing device, the inclined plate 4 is arranged on the connecting plate 2, a chute 401 is arranged on the inclined plate 4, and the abrasive 3 is detachably arranged on the connecting plate 2;
the fixing device is used for fixing the valve seat ring on the placement device and simultaneously fixing the valve seat ring in a closed space, and comprises an upper transverse plate 5, a lower transverse plate 6, a cylinder 7 with two open ends and two pneumatic driving devices 8, wherein the pneumatic driving devices 8 are arranged on the lower transverse plate 6, the cylinder 7 is arranged on the upper transverse plate 5, and the pneumatic driving devices 8 are used for driving the upper transverse plate 5 to move up and down;
the abutting device is rotatably arranged on the cylinder 7 and is used for enabling the abrasive 3 to be always abutted against the outer wall of the valve seat ring in the polishing process;
the cleaning device is used for cleaning the outer wall of the valve seat ring in the polishing process;
the detection device is used for detecting the size of the valve seat ring in the polishing process and is electrically connected with the electric driving device 1 and the pneumatic driving device 8. According to the invention, the valve seat ring to be polished is placed on the placement device, the pneumatic driving device 8 drives the upper transverse plate 5 to move downwards to be abutted against the top of the valve seat ring, so that the valve seat ring is fixed on the placement device, meanwhile, the abutting device is in contact with the inclined plate 4 in the process of moving downwards, the inclined plate 4 is pushed by rightward force to move the connecting plate 2 on the placement device, one side of the abrasive 3 is in contact with the outer wall of the valve seat ring, the electric driving device 1 works to drive the placement device to rotate, the abrasive 3 is further driven to rotate to polish the outer wall of the valve seat ring, in the polishing process, when the diameter of the valve seat ring is reduced or the abrasive 3 is worn, the abutting device is used to enable the abrasive 3 to be always in contact with the outer wall of the valve seat ring, the cleaning device cleans the outer wall of the polished valve seat ring, impurities are avoided, the polishing effect of the abrasive 3 is better in the polishing process, when the detection device detects that the valve seat ring is polished to a required size, the detection device can control the electric driving device 1 to stop working, the pneumatic driving device 8 is controlled to drive the upper transverse plate 5 to move upwards, the polished seat ring is taken off from the placement device, the fixing device is further provided with the function of sealing the valve seat ring, and the upper transverse plate 5 and the upper transverse plate 7 are in contact with the air cylinder 6 in the process, and dust is not polluted in the polishing process. Specifically, the electric driving device 1 is a servo motor; the pneumatic driving device 8 is a cylinder; the placement device passes through the lower transverse plate 6; the fixing device further comprises a bottom plate 25 and a support column 26, the support column 26 being arranged between the lower cross plate 6 and the bottom plate 25, the electric drive 1 being arranged on the bottom plate 25.
As a preferred embodiment of the invention, it may also have the following additional technical features:
in this embodiment, placer includes cylinder 9 and round platform 10, round platform 10 sets up on cylinder 9, and cylinder 9 top is provided with annular grooving 901, and the valve seat cover is on round platform 10, and displacement about can not taking place, and cylinder 9 top is provided with annular grooving 901, makes connecting plate 2 move back on cylinder 9 and can make abrasive material 3 and valve seat outer wall contact, enables simultaneously and detects 17 top and valve seat bottom contact. Specifically, the cylinder 9 is provided with a chute 902 adapted to the connection plate 2.
In this embodiment, the polishing device further includes two stoppers, one of which is disposed on the cylinder 9, and the other of which is disposed on the connection plate 2, so as to prevent the connection plate 2 from falling off from the cylinder 9. In particular, the stop is also provided on the cylinder 9.
In this embodiment, the abutting device includes a T-shaped connection block 12, a first elastic member 13, and a top block 14, where the first elastic member 13 connects the connection block 12 and the top block 14. Specifically, a T-shaped annular groove 701 matched with the connecting block 12 is formed in the cylinder 7, one end of the top block 14 moves downwards to be matched with the chute 401 on the inclined plate 4, when the inclined plate 4 rotates, the top block 14 can be driven to rotate, after the top block 14 moves upwards, the top block 14 is above the inclined plate 4, the next matching is facilitated, after the top block 14 abuts against, the connecting block 12 is driven to move rightwards, when the connecting block 12 stops moving, the top block 14 continues to move downwards, the top block 14 applies force to the first elastic piece 13 to compress the first elastic piece 13, and when the diameter of the valve seat ring is reduced or the abrasive 3 is worn, the first elastic piece 13 applies reactive force to the top block 14 to enable the abrasive 3 to be always contacted with the outer wall of the valve seat ring; the first elastic member 13 is a spring.
In this embodiment, the cleaning device comprises a cleaning rod 15 and a brush 16, the brush 16 being arranged on the cleaning rod 15. Specifically, the cleaning lever 15 is provided on the cylinder 9 to rotate with the cylinder 9.
In this embodiment, the detection device includes a detection block 17, a second elastic member 18, a marking member 19, an inductor 20, and a controller 21, where the second elastic member 18 connects the detection block 17 and the placement device, the marking member 19 is disposed on the detection block 17, and the inductor 20 is used to sense the marking member 19 and send a sensed signal to the controller 21. Specifically, a placing cavity 903 is formed in the cylinder 9, a second elastic piece 18 is arranged in the placing cavity 903, the second elastic piece 18 is connected with a detecting block 17, after the valve seat ring to be polished is placed on the cylinder 9, the bottom of the valve seat ring is in contact with the top of the detecting block 17, meanwhile, the detecting block 17 is pressed downwards, the second elastic piece 18 is compressed, after the valve seat ring is polished to a required size, the detecting block 17 is not subjected to pressure of the bottom of the valve seat ring, the second elastic piece 18 reacts to the detecting block 17, the detecting block 17 moves upwards, one side of the detecting block is in contact with the outer wall of the valve seat ring, an inductor 20 senses the identifier 19 and sends a signal to a controller 21, the controller 21 controls the electric driving device 1 to stop working, and controls the pneumatic driving device 8 to drive the upper transverse plate 5 to move upwards, so that the polished valve seat ring is taken down from the placing device; the second elastic member 18 is a spring; the sensor 20 is arranged on the inner wall of the cylinder 7; the controller 21 is provided on the lower cross plate 6.
In this embodiment, still include buffer for fixing device and valve seat insert top self-adaptation contact, when avoiding going up diaphragm 5 and abrasive material 3 contact, abrasive material 3 rotational speed slows down, influences efficiency and the effect of polishing, plays the effect of protecting abrasive material 3 and valve seat insert simultaneously, avoids abrasive material 3 and valve seat insert top to damage.
In this embodiment, the buffering device includes two guide rods 22 and two third elastic members 23, the third elastic members 23 are disposed on the guide rods 22, one end of each guide rod 22 is connected with the lower transverse plate 6, the other end of each guide rod passes through the upper transverse plate 5, the third elastic members 23 are springs and are sleeved on the guide rods 22, and the other ends of the guide rods 22 are provided with stoppers to prevent the upper transverse plates 5 from sliding out of the guide rods 22.
In this embodiment, the dust collector further comprises a hose 24, one end of which is arranged on the cylinder 7, and the other end of which is connected with an external dust collection device, and sucks out dust during polishing, so that the upper transverse plate 5, the lower transverse plate 6 and the cylinder 9 are kept clean.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A valve seat insert production apparatus, comprising:
the device comprises a placement device, wherein the placement device is used for placing a valve seat ring and comprises a cylinder (9) and a round table (10), the round table (10) is arranged on the cylinder (9), an annular cutting groove (901) is formed in the top of the cylinder (9), and the valve seat ring is sleeved on the round table (10) and cannot be displaced left and right;
the electric driving device (1) is used for driving the placing device to rotate;
the polishing device comprises a connecting plate (2), abrasive materials (3), a sloping plate (4) and two stop blocks, wherein the connecting plate (2) is movably arranged on the placing device, the sloping plate (4) is arranged on the connecting plate (2), a chute (401) is arranged on the sloping plate (4), the abrasive materials (3) are detachably arranged on the connecting plate (2), one of the stop blocks is arranged on a cylinder (9), the other stop block is arranged on the connecting plate (2), and the connecting plate (2) is prevented from falling off from the cylinder (9);
the fixing device is used for fixing the valve seat ring on the placing device and simultaneously fixing the valve seat ring in a closed space, and comprises an upper transverse plate (5), a lower transverse plate (6), a cylinder (7) with two open ends and two pneumatic driving devices (8), wherein the pneumatic driving devices (8) are arranged on the lower transverse plate (6), the cylinder (7) is arranged on the upper transverse plate (5), and the pneumatic driving devices (8) are used for driving the upper transverse plate (5) to move up and down;
the abutting device is rotatably arranged on the cylinder (7) and is used for enabling the abrasive (3) to be always abutted against the outer wall of the valve seat ring in the polishing process, the abutting device comprises a T-shaped connecting block (12), a first elastic piece (13) and a top block (14), the first elastic piece (13) is connected with the connecting block (12) and the top block (14), an annular groove (701) which is matched with the connecting block (12) and is in a T shape is formed in the cylinder (7), one end of the top block (14) moves downwards and is matched with the chute (401) on the inclined plate (4), when the inclined plate (4) rotates, the top block (14) is arranged above the inclined plate (4) after the top block (14) moves upwards, the top block (14) is abutted against the top block, the connecting block (12) is driven to move rightwards, when the top block (12) stops moving, the top block (14) moves downwards, the abrasive is enabled to enable the diameter of the valve seat ring (13) to be enabled to be smaller, or the diameter of the valve seat ring (13) is enabled to be enabled to continuously compressed by the elastic piece (13);
the cleaning device is used for cleaning the outer wall of the valve seat ring in the polishing process;
the device comprises a detection device, an electric driving device (1) and a pneumatic driving device (8), wherein the detection device is used for detecting the size of a valve seat ring in the polishing process and is electrically connected with the electric driving device (1) and the pneumatic driving device (8), the pneumatic driving device (8) drives an upper transverse plate (5) to move downwards to be abutted against the top of the valve seat ring, the valve seat ring is fixed on the placement device, meanwhile, the abutment device is contacted with a sloping plate (4) in the downward movement process, the sloping plate (4) is pushed by rightward force to move on the placement device, one side of an abrasive (3) is contacted with the outer wall of the valve seat ring, the electric driving device (1) works to drive the placement device to rotate, and then drives the abrasive (3) to polish the outer wall of the valve seat ring, and in the polishing process, when the diameter of the valve seat ring is reduced or the abrasive (3) is worn, the abrasive (3) is enabled to be contacted with the outer wall of the valve seat ring at all times.
2. A valve seat insert production apparatus according to claim 1, wherein: the cleaning device comprises a cleaning rod (15) and a brush (16), wherein the brush (16) is arranged on the cleaning rod (15).
3. A valve seat insert production apparatus according to claim 1, wherein: the detection device comprises a detection block (17), a second elastic piece (18), a mark piece (19), an inductor (20) and a controller (21), wherein the second elastic piece (18) is connected with the detection block (17) and the placement device, the mark piece (19) is arranged on the detection block (17), and the inductor (20) is used for inducing the mark piece (19) and sending an induced signal to the controller (21).
4. A valve seat insert production apparatus according to claim 1, wherein: and a buffer device is also included for enabling the fixing device to be in self-adaptive contact with the top end of the valve seat ring.
5. A valve seat insert manufacturing apparatus as defined in claim 4, wherein: the buffer device comprises two guide rods (22) and two third elastic pieces (23), the third elastic pieces (23) are arranged on the guide rods (22), one ends of the guide rods (22) are connected with the lower transverse plates (6), and the other ends of the guide rods penetrate through the upper transverse plates (5).
6. A valve seat insert production apparatus according to claim 1, wherein: also comprises a hose (24), one end of which is arranged on the cylinder (7), and the other end of which is connected with external dust collection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110990890.5A CN113635150B (en) | 2021-08-26 | 2021-08-26 | Valve seat ring apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110990890.5A CN113635150B (en) | 2021-08-26 | 2021-08-26 | Valve seat ring apparatus for producing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113635150A CN113635150A (en) | 2021-11-12 |
| CN113635150B true CN113635150B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110990890.5A Active CN113635150B (en) | 2021-08-26 | 2021-08-26 | Valve seat ring apparatus for producing |
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| CN (1) | CN113635150B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004052342A1 (en) * | 2004-10-27 | 2006-05-04 | Emag Maschinenfabrik Gmbh | Undulated work piece sharpening method, involves synchronously engaging sharpening and support units at surface of workpiece and setting sharpening and support units in direction orthogonal to longitudinal axis of workpiece |
| CN207480273U (en) * | 2017-12-05 | 2018-06-12 | 安徽金亿新材料股份有限公司 | A kind of dedusting of valve retainer and edge grinding device |
| CN212192610U (en) * | 2020-05-13 | 2020-12-22 | 重庆小马智诚科技有限责任公司 | Columnar part grinding device |
| CN111571324B (en) * | 2020-05-18 | 2021-05-25 | 杭州加淼科技有限公司 | Finish machining treatment process for shaft sleeve |
| CN212824507U (en) * | 2020-09-07 | 2021-03-30 | 徐州鼎力模具有限公司 | Anti-deviation grinding machine for machining precision stamping die |
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2021
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