CN113199387B - Grinding process for inner wall of cylinder body of oil-free vacuum pump - Google Patents
Grinding process for inner wall of cylinder body of oil-free vacuum pump Download PDFInfo
- Publication number
- CN113199387B CN113199387B CN202110463267.4A CN202110463267A CN113199387B CN 113199387 B CN113199387 B CN 113199387B CN 202110463267 A CN202110463267 A CN 202110463267A CN 113199387 B CN113199387 B CN 113199387B
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- vacuum pump
- wall
- oil
- clamping
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Classifications
-
- 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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
-
- 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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/08—Honing tools
-
- 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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/10—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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
Abstract
The invention discloses a polishing process of an inner wall of a cylinder body of an oil-free vacuum pump, which is completed by assembling a fixing tool of the cylinder body of the oil-free vacuum pump and a polishing tool of the oil-free vacuum pump. The grinding process of the inner wall of the cylinder body of the oil-free vacuum pump mainly comprises the following steps: s1, roughly grinding and mounting the cylinder body; s2, roughly grinding and clamping the cylinder; s3, roughly polishing the inner wall of the cylinder body and taking out; s4, carrying out fine honing installation on the cylinder body; and S5, honing the cylinder and taking out. According to the invention, the processing technology of inner wall rough polishing and fine honing is adopted, and two clamping structures with different modes are provided, so that irregular porous workpieces on the outer wall are fixedly clamped, the vacuum pump body is prevented from swinging in the processing process, the fixing effect of the vacuum pump body is increased, the processing precision of the product is improved, the sealing performance of the finished product is improved, and the product quality is ensured.
Description
The technical field is as follows:
the invention relates to the field of mechanical vacuum pumps, in particular to a polishing process for an inner wall of a cylinder body of an oil-free vacuum pump.
The background art comprises the following steps:
the oil-free vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physical-chemical method, the sealing performance requirement of a cylinder body is higher, so the precision requirement on the inner wall of the cylinder body is higher to ensure the stability and the quality requirement of the cylinder body, the inner wall of the cylinder body after casting is rough and has burrs to influence the subsequent use, at the moment, two steps of primary burr grinding and fine honing are required to be carried out on the inner wall of the vacuum pump, and the oil-free vacuum pump cylinder body with good quality can be obtained through the two steps.
The two steps of manual grinding or machine grinding followed by honing are now commonly handled in a manner that presents the following problems: the cylinder sleeve is difficult to fix during manual polishing, so the cylinder sleeve shakes or swings in the polishing process, the polishing quality is influenced, the primary polishing quality influences the effect of subsequent fine honing, the manual efficiency is low, and time and labor are wasted. And 2, the machine is difficult to adapt to cylinder sleeves with different sizes during grinding, the adaptability is poor, the next fine honing work can be carried out only after the machine grinding is finished, and the efficiency is low.
The invention content is as follows:
the invention aims to provide a process for polishing the inner wall of a cylinder body of an oil-free vacuum pump, which solves one or more of the problems in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a grinding process for the inner wall of cylinder body of oil-free vacuum pump is carried out by matching a coarse grinding fixture with a fine honing fixture,
the fixing tool for the cylinder body of the oil-free vacuum pump comprises a workbench, wherein a circular table base used for placing a pump body is arranged on the workbench, irregular clamping teeth are arranged on the outer ring of the pump body, the inner ring is circular, 6 symmetrical movable clamping grooves are formed in the circumferential end face of the circular table base, a cavity groove equal to the inner diameter of the pump body is formed in the center of the circular table base, the movable clamping grooves are communicated with the cavity groove, a clamping structure matched with the circular table base is arranged around the circular table base, and a pressure plate and a fixing block matched with the clamping structure are further arranged above the pump body;
the polishing tool of the oilless vacuum pump cylinder body comprises a grinding head cutter arranged on a honing machine and a support frame below the mounting end of the grinding head cutter, wherein the support frame comprises a positioning top block arranged on the inner side of the grinding head cutter and suspension frames horizontally arranged on two sides of the grinding head cutter, the positioning top block is fixed on the support frame and positioned on two sides of the grinding head cutter, the two positioning top blocks are clamped on the lower side circular end face of a pump body in a 60-degree included angle mode, a limiting component is arranged in the middle of each suspension frame, a clamping component is arranged at the tail end of each suspension frame, the pump body of an oilless vacuum pump is sleeved on the grinding head cutter, the positioning top blocks on one side of the end face of the pump body are attached to each other, and the other side of the pump body is fixed on the support frame through the clamping component;
the grinding process of the inner wall of the cylinder body of the oil-free vacuum pump mainly comprises the following steps:
s1, roughly grinding and mounting the cylinder: placing an oil-free vacuum pump cylinder body on a circular table base on a fixing tool, and contacting the outer wall of the oil-free vacuum pump cylinder body through a clamping structure on the fixing tool to externally clamp the oil-free vacuum pump cylinder body;
s2, roughly grinding and clamping the cylinder: the upper end surface of the cylinder body is pressed and fixed through a pressure plate and a fixing block which penetrate through the top end of the clamping structure;
s3, roughly grinding the inner wall of the cylinder body and taking out: preliminarily polishing the vacuum pump cylinder body fixed in the step S2, and taking out the cylinder body after rough polishing from a vacuum pump fixing tool;
s4, fine honing installation of the cylinder body: sleeving the pump body in the step S3 on a grinding head cutter of the horizontal honing machine and contacting with the inner wall of the pump body, wherein one side of the end face of the pump body is abutted against a positioning top column of a support frame, and the other side of the end face of the pump body is rotationally pressed and fixed through a rotating clamping plate;
s5, honing and taking out the cylinder: and (5) polishing the inner wall of the pump body which is installed in the step (S4), and taking out the polished vacuum pump cylinder from the vacuum pump polishing tool.
Furthermore, the clamping structure comprises a sliding block arranged in the movable clamping groove, a threaded stand column is arranged above the sliding block and higher than the pump body, the stand column is clamped in an outer ring clamping tooth of the pump body, a buckle for pulling the sliding block to move horizontally is fixed on the inner side of the sliding block, and the buckle is located in the clamping groove and extends out of the cavity groove.
Further, the center of cavity groove is equipped with discoid spiral platform, and the top radius of circle of spiral platform is less than bottom radius of circle, and the lead screw that is used for controlling the lift of spiral platform is equipped with in the center of spiral platform, is equipped with the barricade on the spiral line of spiral platform, is equipped with the slide in the barricade, and the buckle spiral-lock is in the slide to move in the slide, the striker plate still is equipped with on the top of spiral platform.
Furthermore, the limiting assembly comprises a supporting block vertically installed on the suspension, an adjusting plate capable of moving back and forth is installed above the supporting block, a waist-shaped groove is formed in the adjusting plate and fixed on the suspension through screws, a limiting block is arranged at the head of the adjusting plate, the thickness of the limiting block is equal to the space between the teeth on the outer wall of the pump body, and the limiting block is clamped in the wall teeth on the outer wall of the pump body.
Furthermore, the centre gripping subassembly is including the cardboard that is used for the external end face of fixed pump body, offers the arc portion that is used for keeping away the position in the middle of the cardboard, the arc portion in the excircle terminal surface of the pump body pastes mutually, and the one end of cardboard is equipped with the rotating part and fixes on the suspension of one side, and the other end is equipped with the fixed part to with set up the fixed block cooperation on the suspension of opposite side, it has the draw-in groove to open on the fixed block, is equipped with adjusting bolt on the fixed part, the fixed part clamps in the draw-in groove to adjust the pressfitting height through adjusting bolt.
Two fore-posts are further mounted on the inner side of the clamping plate, the fore-posts are symmetrical along the center of the arc-shaped portion, clamping blocks with adjustable angles are fixed on the fore-posts through screws, and the clamping blocks are attached to the tooth round end face of the outer wall of the pump body.
The invention has the beneficial effects that: according to the fixing tool, a vertical clamping method is adopted, the external clamping structure is driven by the mutual matching of the internal spiral screw rods, the fixing effect of the fixing column can be improved, on one hand, the cylinder sleeves with different sizes can be fixed, on the other hand, hole-shaped workpieces with irregular outer walls can be machined, and the application range of the fixing tool is enlarged.
The invention provides two clamping structures with different modes, which are respectively suitable for a vertical machine tool and a horizontal machine tool and can be used for fixing and clamping hole-shaped workpieces with irregular outer walls, thereby realizing the clamping and fixing effects on vacuum pump bodies with different sizes, preventing the vacuum pump bodies from swinging in the processing process and increasing the fixing effect of a vacuum pump cylinder body.
According to the invention, the processing technologies of inner wall rough polishing and fine honing are adopted, so that the processing precision of the product is improved, the sealing property of the finished product is improved, and the product quality is ensured.
Description of the drawings:
fig. 1 is a schematic structural view of a fixing tool in the invention.
Fig. 2 is a top view of the fixture of the present invention.
Fig. 3 is a schematic structural view of the grinding tool in the invention.
FIG. 4 is a schematic diagram of a structure of a clamping plate of the polishing tool of the present invention.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
The invention provides a grinding process for the inner wall of an oil-free vacuum pump cylinder body, which is finished by assembling a fixing tool for rough grinding and a grinding tool for fine honing,
as shown in fig. 1-2, in the present application, a fixing tool 1 for an oil-free vacuum pump cylinder body includes a workbench 11, a circular table base 12 for placing a pump body 3 is disposed on the workbench 11, an outer ring of the pump body 3 is provided with irregular latch teeth, an inner ring is circular, 6 symmetrical movable clamping grooves 13 are disposed on a circumferential end surface of the circular table base 12, a cavity groove 14 equal to an inner diameter of the pump body is disposed at a center of the circular table base 12, the movable clamping grooves 13 are communicated with the cavity groove 14, a clamping structure 15 matched with the circular table base 12 is disposed around the circular table base 12, and a pressure plate 16 and a fixing block 17 matched with the clamping structure 15 are further disposed above the pump body 3;
as shown in fig. 3-4, in the present application, the polishing tool 2 of the oil-free vacuum pump cylinder includes a grinding head tool 21 installed on the honing machine and a support frame 22 below the installation end of the grinding head tool 21, the support frame 22 includes a positioning top block 23 installed inside the grinding head tool 21 and a suspension 24 horizontally installed on both sides of the grinding head tool 21, the positioning top block 23 is fixed on the support frame 22 and located on both sides of the grinding head tool 21, the two positioning top blocks are clamped on the lower circular end face of the pump body 3 at an included angle of 60 °, a limiting assembly 25 is arranged in the middle of the suspension 24, a clamping assembly 26 is arranged at the end of the suspension 24, the pump body 3 of the oil-free vacuum pump is sleeved on the grinding head tool 21, the positioning top blocks 23 on one side of the end face are attached to each other, and the other side is fixed on the support frame 22 through the clamping assembly 26;
the grinding process of the inner wall of the cylinder body of the oil-free vacuum pump mainly comprises the following steps:
s1, roughly grinding and mounting the cylinder: placing an oil-free vacuum pump cylinder body on a circular table base on a fixing tool, and contacting the outer wall of the oil-free vacuum pump cylinder body through a clamping structure on the fixing tool to externally clamp the oil-free vacuum pump cylinder body;
s2, roughly grinding and clamping the cylinder: the upper end surface of the cylinder body is pressed and fixed through a pressure plate and a fixing block which penetrate through the top end of the clamping structure;
s3, roughly grinding the inner wall of the cylinder body and taking out: preliminarily polishing the vacuum pump cylinder body fixed in the step S2, and taking out the cylinder body after rough polishing from a vacuum pump fixing tool;
s4, fine honing installation of the cylinder body: sleeving the pump body in the step S3 on a grinding head cutter of the horizontal honing machine and contacting with the inner wall of the pump body, wherein one side of the end face of the pump body is abutted against a positioning top column of the support frame, and the other side of the end face of the pump body is rotationally pressed and fixed through a rotating clamping plate;
s5, honing and taking out the cylinder: and (5) polishing the inner wall of the pump body which is installed in the step (S4), and taking out the polished vacuum pump cylinder from the vacuum pump polishing tool.
In the application, the clamping structure 15 in the fixed tooling 1 includes a slider 131 installed in the movable clamping groove 13, a column 132 with threads is arranged above the slider 131, the column 132 is higher than the pump body, the column 132 is clamped in the outer ring latch of the pump body, a buckle 133 for pulling the slider 131 to move horizontally is fixed on the inner side of the slider 131, and the buckle 132 is located in the movable clamping groove 13 and extends out of the cavity groove 14.
In this application, discoid spiral platform 134 is equipped with at the center of cavity groove 14, and the top radius of circle of spiral platform 134 is less than bottom radius of circle, and the lead screw 135 that is used for controlling the lift of spiral platform 134 is equipped with at the center of spiral platform 134, is equipped with barricade 136 on the spiral line of spiral platform 134, is equipped with the slide in the barricade, and the buckle spiral shell dress is in the slide to slide in the slide, striker plate 137 still is equipped with on the top of spiral platform.
In the application, the limiting component 25 in the grinding tool 2 comprises a supporting block 251 vertically installed on a suspension, an adjusting plate 252 capable of moving back and forth is installed above the supporting block 251, a waist-shaped groove 253 is formed in the adjusting plate 252 and fixed on the suspension 24 through screws, a limiting block 254 is arranged at the head of the adjusting plate, the thickness of the limiting block 254 is equal to the space between teeth on the outer wall of the pump body, and the limiting block is clamped in the wall teeth on the outer wall of the pump body.
In step S2, the oil-free vacuum pump body is roughly polished by adopting a fixed tool, the inner wall is screwed and clamped, the inner wall is adaptive to the outer walls of the pump bodies with different sizes, the circumferential fixation of the pump body is realized, the rotation of the pump body in the machining process is prevented, the clamping fixation effect of the pump body is ensured, and the machining precision and the stability are improved.
In this application, centre gripping subassembly 26 in the frock of polishing 2 is including the cardboard 261 that is used for the external terminal surface of fixed pump body, offers the arc portion 262 that is used for keeping away the position in the middle of the cardboard, arc portion 262 in the excircle terminal surface of the pump body pastes mutually, and the one end of cardboard 261 is equipped with the rotating part 263 and fixes on one side suspension 24, and the other end is equipped with fixed part 264 to fixed block 265 cooperation on the suspension that sets up the opposite side, it has draw-in groove 266 to open on the fixed block 265, adjusting bolt 267 is equipped with on the fixed part 264, and fixed part 264 clamps in draw-in groove 266, and adjust the pressfitting height through adjusting bolt 267.
In this application, two fore-posts 268 are still equipped with to the inboard of cardboard, and the central symmetry of arc portion is followed to the fore-post, through the angularly adjustable grip block 269 of screw fixation on the fore-post, and grip block 269 pastes with the outer wall tooth round end face of the pump body mutually.
In step S4, a polishing tool is used to perform finish honing on the inner wall of the pump body of the oil-free vacuum pump, the pump body is sleeved on a cylindrical grinding head cutter and contacts with the inner wall of the pump body, and the two end faces of the pump body are limited by the opposite positioning top block and the clamping block, so that the axial fixation of the pump body is realized; the side of the pump body is irregularly shaped, and the irregular surface is limited by the limiting clamping plate arranged on one side to limit the rotation of the pump body, so that the circumferential fixation of the pump body is realized.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A grinding process for the inner wall of an oil-free vacuum pump cylinder body is characterized in that: the method is finished by matching a fixing tool (1) of an oil-free vacuum pump cylinder body and a polishing tool (2) of an oil-free vacuum pump, wherein the fixing tool (1) of the oil-free vacuum pump cylinder body is used for roughly processing the inner wall of the cylinder body, and the polishing tool (2) of the oil-free vacuum pump cylinder body is used for finely processing the inner wall of the cylinder body;
the fixing tool (1) for the oil-free vacuum pump cylinder body comprises a workbench (11), wherein a circular table base (12) used for placing a pump body (3) is arranged on the workbench (11), irregular clamping teeth are arranged on the outer ring of the pump body (3), the inner ring is circular, 6 symmetrical movable clamping grooves (13) are formed in the circumferential end face of the circular table base (12), a cavity groove (14) equal to the inner diameter of the pump body (1) is formed in the center of the circular table base (12), the movable clamping grooves (13) are communicated with the cavity groove (14), a clamping structure (15) matched with the circular table base (12) is arranged around the circular table base (12), and a pressure plate (16) and a fixing block (17) matched with the clamping structure (15) are further arranged above the pump body (3);
the polishing tool (2) of the oil-free vacuum pump cylinder body comprises a grinding head cutter (21) arranged on the honing machine and a support frame (22) positioned below the mounting end of the grinding head cutter (21), the supporting frame (22) comprises a positioning top block (23) arranged on the inner side of the grinding head cutter and suspension brackets (24) horizontally arranged on two sides of the grinding head cutter, the positioning top block (23) is fixed on the supporting frame (22), and are positioned at two sides of a grinding head cutter, two positioning jacking blocks are clamped on the circular end surface at the lower side of the pump body (3) at an included angle of 60 degrees, a limiting component (25) is arranged in the middle of the suspension (24), a clamping component (26) is arranged at the tail end of the suspension, the pump body (3) is sleeved on a grinding head cutter (21), one side of the end surface of the positioning ejector block (23) is attached to the other side of the end surface of the positioning ejector block, and the other side of the end surface of the positioning ejector block is fixed on a support frame (22) through a clamping assembly (26);
the grinding process of the inner wall of the cylinder body of the oilless vacuum pump mainly comprises the following steps:
s1, roughly grinding and mounting the cylinder: an oil-free vacuum pump cylinder body is placed on a circular table base (12) on a fixing tool, and is in contact with the outer wall of the oil-free vacuum pump cylinder body through a clamping structure (15) on the fixing tool, so that the oil-free vacuum pump cylinder body is clamped externally;
s2, roughly grinding and clamping the cylinder: the upper end surface of the cylinder body is pressed and fixed through a pressure plate (16) and a fixing block (17) which penetrate through the top end of the clamping structure (15);
s3, roughly grinding the inner wall of the cylinder body and taking out: preliminarily polishing the vacuum pump cylinder body fixed in the step S2, and taking out the cylinder body after rough polishing from a vacuum pump fixing tool;
s4, fine honing installation of the cylinder body: sleeving the pump body (3) in the step S3 on a grinding head cutter (21) of the horizontal honing machine and contacting with the inner wall of the pump body (3), wherein one side of the end surface of the pump body is abutted against a positioning top column (23) of a support frame (22), and the other side of the end surface of the pump body is fixed through a clamping assembly (26);
s5, honing and taking out the cylinder: and (4) polishing the inner wall of the pump body (3) which is installed in the step (S4), and taking out the polished vacuum pump cylinder body from the vacuum pump polishing tool.
2. The grinding process of the inner wall of the cylinder body of the oil-free vacuum pump as claimed in claim 1, wherein: clamping structure (15) in fixed frock (1) of oil-free vacuum pump cylinder body are including installing slider (131) in activity draw-in groove (13), slider (131) top is equipped with threaded stand (132), stand (132) are higher than the height of the pump body, stand (132) clamp in the outer lane latch of the pump body (3), the inboard of slider (131) is fixed with pulling slider horizontal motion's buckle (133), buckle (133) are located in activity draw-in groove (13), and stretch out cavity groove (14).
3. The grinding process of the inner wall of the cylinder body of the oil-free vacuum pump as claimed in claim 2, wherein: discoid spiral platform (134) are equipped with at the center of cavity groove (14), the top circle radius of spiral platform (134) is less than bottom circle radius, the center of spiral platform (134) is equipped with and is used for control lead screw (135) of the lift of spiral platform (134), be equipped with barricade (136) on the spiral line of spiral platform (134), be equipped with the slide in barricade (136), buckle (133) spiral-lock is in the slide to at the slide internal motion, striker plate (137) still are equipped with on the top of spiral platform (134).
4. The grinding process of the inner wall of the cylinder body of the oil-free vacuum pump as claimed in claim 1, wherein: spacing subassembly (25) in frock of polishing (2) of oilless vacuum pump cylinder body are including installing supporting shoe (251) on suspension (24) perpendicularly, regulating plate (252) that can the back-and-forth movement is equipped with to supporting shoe (251) top, be equipped with waist type groove (253) on regulating plate (252), and pass through the fix with screw on suspension (24), the head of regulating plate (252) is equipped with stopper (254), the thickness of stopper (254) equals pump body outer wall tooth interval, stopper (254) clamp in the wall tooth of pump body (3) outer wall.
5. The sanding process for the inner wall of the cylinder body of the oil-free vacuum pump as claimed in claim 1, characterized in that: the clamping assembly (26) in the grinding tool (2) of the oil-free vacuum pump cylinder body comprises a clamping plate (261) used for fixing the end face of the outer side of the pump body (3), an arc-shaped portion (262) used for avoiding the position is arranged in the middle of the clamping plate (261), the arc-shaped portion (262) is attached to the end face of the outer side of the pump body (3), one end of the clamping plate (261) is provided with a rotating portion (263) and fixed on a suspension (24) on one side, the other end of the clamping plate is provided with a fixing portion (264) and matched with a fixing block (265) arranged on the suspension on the other side, a clamping groove (266) is formed in the fixing portion (264), an adjusting bolt (267) is arranged on the fixing portion (264), and the fixing portion (264) is clamped in the clamping groove (266) and the pressing height is adjusted through the adjusting bolt (267);
two top columns (268) are further mounted on the inner side of the clamping plate (261), the top columns (268) are symmetrical along the center of the arc-shaped portion (262), an angle-adjustable clamping block (269) is fixed on each top column (268) through screws, and the clamping block (269) is attached to the circular end face of the outer wall tooth of the pump body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110463267.4A CN113199387B (en) | 2021-04-28 | 2021-04-28 | Grinding process for inner wall of cylinder body of oil-free vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110463267.4A CN113199387B (en) | 2021-04-28 | 2021-04-28 | Grinding process for inner wall of cylinder body of oil-free vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113199387A CN113199387A (en) | 2021-08-03 |
| CN113199387B true CN113199387B (en) | 2022-07-01 |
Family
ID=77026995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110463267.4A Active CN113199387B (en) | 2021-04-28 | 2021-04-28 | Grinding process for inner wall of cylinder body of oil-free vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113199387B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH320848A (en) * | 1954-06-11 | 1957-04-15 | Livet Roger | Device for sharpening at least one cutter |
| CN103639883A (en) * | 2013-11-25 | 2014-03-19 | 银川博聚工业产品设计有限公司 | Bearing metallographic analysis grinding machine |
| CN104044087A (en) * | 2014-06-18 | 2014-09-17 | 蓝思科技股份有限公司 | Copper disc for sapphire polishing and disc repair method thereof |
| CN112045535A (en) * | 2020-08-04 | 2020-12-08 | 高权威 | Polishing equipment for wood processing |
| CN112059794A (en) * | 2020-09-16 | 2020-12-11 | 陈静 | Finish machining process for cylinder sleeve |
| CN212240576U (en) * | 2020-06-28 | 2020-12-29 | 四川炬科光学科技有限公司 | Self-suction liquid feeding main shaft structure for optical grinding and polishing machine |
| CN112264869A (en) * | 2020-10-23 | 2021-01-26 | 韦楚旺 | Polishing device for inner wall of spherical seal head of pressure container |
-
2021
- 2021-04-28 CN CN202110463267.4A patent/CN113199387B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH320848A (en) * | 1954-06-11 | 1957-04-15 | Livet Roger | Device for sharpening at least one cutter |
| CN103639883A (en) * | 2013-11-25 | 2014-03-19 | 银川博聚工业产品设计有限公司 | Bearing metallographic analysis grinding machine |
| CN104044087A (en) * | 2014-06-18 | 2014-09-17 | 蓝思科技股份有限公司 | Copper disc for sapphire polishing and disc repair method thereof |
| CN212240576U (en) * | 2020-06-28 | 2020-12-29 | 四川炬科光学科技有限公司 | Self-suction liquid feeding main shaft structure for optical grinding and polishing machine |
| CN112045535A (en) * | 2020-08-04 | 2020-12-08 | 高权威 | Polishing equipment for wood processing |
| CN112059794A (en) * | 2020-09-16 | 2020-12-11 | 陈静 | Finish machining process for cylinder sleeve |
| CN112264869A (en) * | 2020-10-23 | 2021-01-26 | 韦楚旺 | Polishing device for inner wall of spherical seal head of pressure container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113199387A (en) | 2021-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106670966B (en) | Quick clamping jig of pin gear shell tooth socket grinding machine of robot joint precision speed reducer | |
| US3959929A (en) | Device for precision grinding and polishing of workpieces | |
| CN201279734Y (en) | Honing clamp device | |
| CN210209934U (en) | Regulation formula stainless steel spare polishing equipment | |
| CN113770774B (en) | Clamp holder for numerical control CNC (computerized numerical control) machining | |
| CN113199387B (en) | Grinding process for inner wall of cylinder body of oil-free vacuum pump | |
| CN112091639B (en) | Mold blank machining center and machining process | |
| CN213003150U (en) | Electric spark machining clamp | |
| CN219053627U (en) | CNC processing double-angle special fixture | |
| CN215199801U (en) | Numerical control vertical milling machine with turning fixture | |
| CN214024618U (en) | Frock clamp for hardware processing | |
| CN210588796U (en) | Stable form gearbox casing adds clamping apparatus | |
| CN219882107U (en) | Angle-adjustable machining clamp | |
| CN212917923U (en) | Gear clamping device for numerical control gear shaping machine | |
| CN216126878U (en) | Fixture for processing long shaft end face of refrigerator compressor crankshaft | |
| CN219665889U (en) | Leveling mechanism suitable for machine tool machining | |
| CN211867212U (en) | Rotatable adjusting clamp device | |
| CN218947161U (en) | Polishing table with adjustable positioning function | |
| CN217667990U (en) | Clamping device for machine tool | |
| CN216097568U (en) | High-precision cylindrical thin-wall product machining device | |
| CN216707003U (en) | Grinding device for metal part machining | |
| CN218556356U (en) | Compressor dynamic vortex rough machining tool clamp | |
| CN117583932B (en) | Tool fixture for metal casting finish machining | |
| CN218744347U (en) | Circular arc press-in punch structure of motor core die | |
| CN218904684U (en) | Be used for hardware fitting processing deckle edge polishing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 226500 No. 1, Helu Road, Chengbei street, Rugao City, Nantong City, Jiangsu Province Applicant after: NANTONG BEIKE VACUUM MACHINERY Co.,Ltd. Address before: 226500 room a, 1st floor, building 1, science and Technology Pioneer Park, No.20 Huashi North Road, Chengbei street, Rugao City, Nantong City, Jiangsu Province Applicant before: NANTONG BEIKE VACUUM MACHINERY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |