CN109909820B - Multi-stage treatment device and method for inner surface of cylindrical shell - Google Patents
Multi-stage treatment device and method for inner surface of cylindrical shell Download PDFInfo
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- CN109909820B CN109909820B CN201910208120.3A CN201910208120A CN109909820B CN 109909820 B CN109909820 B CN 109909820B CN 201910208120 A CN201910208120 A CN 201910208120A CN 109909820 B CN109909820 B CN 109909820B
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Abstract
The invention relates to the field of machining, in particular to a multi-section type processing device and a processing method for the inner surface of a cylindrical shell, wherein the processing device comprises: the device comprises a processing table, a shell rotating mechanism, a numerical control system and a dust collection mechanism, wherein a first supporting plate mechanism and a shell supporting mechanism are arranged on the processing table; the first supporting plate mechanism comprises a sliding supporting table, a guide rail, a first servo motor and a first positioning screw rod, wherein the guide rail is arranged at the top of the processing table, and a second supporting plate mechanism is arranged at the top of the sliding supporting table; the shell supporting mechanism comprises a lifting bedplate and a supporting frame, wherein the supporting frame is arranged at the top of the lifting bedplate; the second supporting plate mechanism comprises an alloy sliding rail, a polishing supporting plate, a second servo motor, a second positioning screw rod and a gear speed regulating box, wherein the second servo motor is connected with the second positioning screw rod through the gear speed regulating box, and a controllable polishing mechanism is arranged on the polishing supporting plate.
Description
Technical Field
The invention relates to the field of machining, in particular to a multistage treatment device and a treatment method for the inner surface of a cylindrical shell.
Background
In the inner surface machining process of an elongated cylindrical shell with the inner diameter of 250-800mm and the length of 0.5-6m, the common grinding device is difficult to realize high-precision inner surface grinding machining due to the small pore diameter and the long length of the shell. And the sectional polishing process cannot be realized by the common polishing device, so that the design of the device capable of effectively carrying out high-precision treatment on the inner surface of the slender cylindrical shell is necessary.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a multi-stage processing device and a processing method for the inner surface of a cylindrical shell.
The technical aim of the invention is realized by the following technical scheme:
a multi-stage treatment device for an inner surface of a cylindrical housing, comprising: the device comprises a processing table, a shell rotating mechanism, a numerical control system and a dust collection mechanism, wherein a first supporting plate mechanism and a shell supporting mechanism are arranged on the processing table; the first supporting plate mechanism comprises a sliding supporting table, a guide rail, a first servo motor and a first positioning screw rod, wherein the guide rail is arranged at the top of the processing table, and a second supporting plate mechanism is arranged at the top of the sliding supporting table; the shell supporting mechanism comprises a lifting bedplate and a supporting frame, wherein the supporting frame is arranged at the top of the lifting bedplate, an annular frame is arranged at the upper part of the supporting frame, rollers are arranged on the inner ring of the annular frame, and each contact point in the annular frame uses one roller, so that friction is reduced; the second supporting plate mechanism comprises an alloy sliding rail, a polishing supporting plate, a second servo motor, a second positioning screw rod and a gear speed regulating box, wherein the second servo motor is connected with the second positioning screw rod through the gear speed regulating box, a controllable polishing mechanism is arranged on the polishing supporting plate, a threaded connection part is arranged at the bottom of the polishing supporting plate, and the polishing supporting plate is connected with the second positioning screw rod through the threaded connection part.
Preferably, the controllable polishing mechanism comprises a polishing driving motor, a flexible shaft, a rotary knife grinder, a pen-shaped cylinder, an L-shaped connecting rod, a grinding head lifting slide block and a grinding head lifting slide bar; the polishing driving motor is connected with the rotary knife grinder through the flexible shaft; the polishing support plate is provided with a first hinge joint and a second hinge joint, the L-shaped connecting rod comprises a short rod and a long rod, the folding angle of the short rod is connected with the long rod, the cylinder body of the pen-shaped cylinder is connected with the first hinge joint, the rod body of the pen-shaped cylinder is hinged with the tail end of the short rod of the L-shaped connecting rod, the folding angle of the L-shaped connecting rod is hinged at the second hinge joint, and the tail end of the long rod of the L-shaped connecting rod is connected with the grinding head lifting slide block; the grinding head lifting slide block is provided with a vertical groove, the grinding support plate is provided with a horizontal groove corresponding to the lower part of the grinding head lifting slide block, two ends of the grinding head lifting slide bar are respectively arranged in the vertical groove and the horizontal groove, and the rotary knife grinder is arranged at the top of the grinding head lifting slide block.
Preferably, the dust collection mechanism comprises a dust collection box, an air suction pump, a dust collection pipe and a dust collection opening, wherein the dust collection opening is arranged at the position, close to the rotary knife sharpening position, of the polishing support plate, and two ends of the dust collection pipe are respectively connected with the dust collection box and the dust collection opening.
Preferably, the shell rotating mechanism comprises a driving turntable, a clamping clamp and a supporting plate clamp, wherein the driving turntable is a hollow turntable driven by a variable frequency motor and a gearbox, the clamping clamp is adjustably installed on the driving turntable, and the supporting plate clamp is arranged on the inner side of the driving turntable and is flush with the alloy sliding rail.
Preferably, the processing device is further provided with a wire conveying mechanism, and the wire conveying mechanism comprises a wire conveying rod and a wire conveying motor, so that the wires and the air pipes can be ensured to move along with the first supporting plate mechanism and the second supporting plate mechanism simultaneously, and the wires and the air pipes are prevented from being wound on the supporting plates.
Preferably, the alloy sliding rail is made of a high-strength alloy section, the section of the alloy sliding rail is of a porous rectangular structure, the width of the rectangular section is larger than the height of the rectangular section, and the alloy sliding rail comprises a screw rod groove area, a supporting plate groove area and a plurality of triangular reinforcing areas formed by reinforcing ribs which are arranged in a crossing way; the second positioning screw rod is hidden in the alloy sliding rail through the screw rod groove area, and a guide block matched with the support plate groove area is arranged at the bottom of the polishing support plate; when processing slender tube-shape casing, alloy slide rail's self length is longer, and ordinary layer board is under the fixed circumstances of only one end, takes place crookedly easily, and the bending in length direction can effectively be prevented to the high strength alloy section bar of this scheme structure, improves machining precision. In addition, the screw rod groove area is arranged, so that the space can be effectively saved, and the adaptation range of the machining inner diameter can be improved.
Preferably, the top of the sliding support table is provided with a supporting plate with an inverted triangle structure, so that the supporting effect of the alloy sliding rail is improved.
Preferably, the numerical control system comprises a numerical control screen, a PLC, a servo controller, a frequency converter, a distance sensor, a speed sensor and an electromagnetic switch.
Preferably, the first servo motor, the second servo motor, the polishing driving motor and the wire conveying motor are all driven by respective equipped servo controllers, the variable frequency motor controls the rotating speed through a frequency converter, the pen-shaped air cylinder is controlled through an air valve under the control of an electromagnetic switch, the sliding support table and the polishing support plate are positioned and tested in speed through a distance sensor and a speed sensor, the servo controllers, the frequency converter and the electromagnetic switch are arranged at the output end of the PLC, the distance sensor and the speed sensor are arranged at the input end of the PLC, and the numerical control screen is used for controlling information interaction between man-machine.
A multistage processing method for the inner surface of a cylindrical shell comprises the following steps:
a. and (3) shell installation: selecting a supporting frame with proper size according to the size of the cylindrical shell, penetrating the shell into the annular frame, and placing the supporting frame and the shell on a lifting bedplate;
b. housing clamping and pair axis: the tail part of the shell is clamped by a clamping clamp on the driving turntable, and the height of the lifting platen is adjusted to align the shell with the axis of the driving turntable
c. Large pallet shift: starting a first servo motor in the first supporting plate mechanism, controlling a first positioning screw rod to drive a sliding supporting table to send a second supporting plate mechanism into the shell body, and clamping the tail part of the alloy sliding rail through the supporting plate when the tail end opening of the shell is larger and the alloy sliding rail can pass through; when the tail end of the shell is airtight or the opening is smaller, and the alloy sliding rail cannot pass through, the supporting plate clamp is not started, and the problem of micro deformation of the alloy sliding rail can be effectively solved under the condition that the supporting plate clamp can be started, so that the processing precision is improved;
d. small pallet displacement: starting a second servo motor in the second supporting plate mechanism, and controlling a second positioning screw rod to drive the polishing supporting plate and a controllable polishing mechanism arranged above the second positioning screw rod to move to a position to be processed in the shell body;
e. lifting a cutter and polishing: when the controllable polishing mechanism moves to a to-be-processed position, the pen-shaped cylinder and the polishing driving motor are started, so that the rotary knife blade is lifted to a designated position for polishing, the dust collection mechanism is started simultaneously in the polishing process, and the dust collection port is used for collecting the polished scraps into the dust collection box
f. Grinding: the polishing process adjusts the air pressure and the ventilation direction of the pen-shaped air cylinder, the polishing depth and the polishing start and stop can be controlled, and the sectional polishing effect can be realized under the cooperation of the second supporting plate mechanism.
Preferably, in the step c and the step d, the wire feeding motor is started to release the wire wound on the wire feeding rod, so that synchronous cooperative movement of the related wire and the air pipe is ensured.
According to the invention, the quick positioning and the accurate positioning are respectively realized through the two-stage supporting plate mechanisms, and the gear speed regulating box is adopted in the second supporting plate mechanism to realize accurate feeding. The special alloy sliding rail in the second supporting plate mechanism is not easy to bend, so that the stability of the horizontal height in the moving process of the controllable polishing mechanism is ensured, and the processing precision is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a controllable grinding mechanism according to the present invention;
fig. 3 is a schematic structural view of a housing rotation mechanism in the present invention.
Detailed Description
The following specific examples are intended to be illustrative of the invention and are not intended to be limiting, as modifications of the invention will be apparent to those skilled in the art upon reading the specification without inventive contribution thereto, and are intended to be protected by the patent law within the scope of the appended claims.
The invention is described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 3, a multi-stage treatment apparatus for an inner surface of a cylindrical casing includes: the machining platform 1, the casing slewing mechanism 2, the numerical control system 3 and the dust absorption mechanism 4, be provided with first layer board mechanism 5 and casing supporting mechanism 6 on the machining platform 1, numerical control system 3 includes, numerical control screen, PLC, servo controller, converter, distance sensor, speed sensor and electromagnetic switch.
The first pallet mechanism 5 includes a slide pallet 51, a guide rail 52, a first servo motor 53 and a first positioning screw 54, the guide rail 52 is mounted on the top of the processing table 1, the second pallet mechanism 7 is provided on the top of the slide pallet 51, and the pallet of inverted triangle structure is provided on the top of the slide pallet 51.
The shell supporting mechanism 6 comprises a lifting bedplate 61 and a supporting frame 62, wherein the supporting frame 62 is arranged at the top of the lifting bedplate 61, an annular frame 621 is arranged at the upper part of the supporting frame 62, and a roller 622 is arranged at the inner ring of the annular frame;
the second supporting plate mechanism 7 comprises an alloy sliding rail 71, a polishing supporting plate 72, a second servo motor 73, a second positioning screw rod 74 and a gear speed adjusting box 75, wherein the second servo motor 73 is connected with the second positioning screw rod 74 through the gear speed adjusting box 75, a controllable polishing mechanism 8 is arranged on the polishing supporting plate 72, a threaded connection part is arranged at the bottom of the polishing supporting plate 72, and the polishing supporting plate 72 is connected with the second positioning screw rod 74 through the threaded connection part.
According to fig. 2, the controllable grinding mechanism 8 comprises a grinding driving motor 81, a flexible shaft 82, a rotary knife grinder 83, a pen-shaped cylinder 84, an L-shaped connecting rod 85, a grinding head lifting slide block 86 and a grinding head lifting slide rod 87; the grinding driving motor 81 is connected with the rotary knife grinder 83 through a flexible shaft 82; the polishing support plate 72 is provided with a first hinge joint and a second hinge joint, the L-shaped connecting rod 85 comprises a short rod and a long rod which are connected with each other at a folding angle, the cylinder body of the pen-shaped cylinder 84 is connected with the first hinge joint, the rod body of the pen-shaped cylinder 84 is hinged with the tail end of the short rod of the L-shaped connecting rod 85, the folding angle of the L-shaped connecting rod 85 is hinged at the second hinge joint, and the tail end of the long rod of the L-shaped connecting rod 85 is connected with the grinding head lifting slide block 86; the grinding head lifting slide block 86 is provided with a vertical groove 861, the grinding support plate 72 is provided with a horizontal groove 871 corresponding to the lower part of the grinding head lifting slide block 86, two ends of the grinding head lifting slide rod 87 are respectively arranged in the vertical groove 861 and the horizontal groove 871, and the rotary knife grinder 83 is arranged at the top of the grinding head lifting slide block 86.
The alloy slide rail 71 is made of a high-strength alloy section, the section of the alloy slide rail is of a porous rectangular structure, the width of the rectangular section is larger than the height of the rectangular section, and the alloy slide rail comprises a screw rod groove area 711, a supporting plate groove area 712 and a plurality of triangular reinforcing areas 713 formed by reinforcing ribs which are arranged in a crossing way; the second positioning screw 74 is hidden in the alloy slide rail 71 through a screw groove area 711, and a guide block 721 matched with the support plate chute area 712 is arranged at the bottom of the polishing support plate 72.
The dust collection mechanism 4 comprises a dust collection box 41, an air suction pump, a dust collection pipe 42 and a dust collection opening 43, wherein the dust collection opening 43 is arranged at the position, close to the rotary knife grinder 83, of the polishing support plate 72, and two ends of the dust collection pipe 42 are respectively connected with the dust collection box 41 and the dust collection opening 43.
According to fig. 3, the housing rotation mechanism 2 comprises a driving turntable 21, a clamping catch 22 and a supporting plate clamp 23, wherein the driving turntable 21 is a hollow turntable driven by a variable frequency motor and a gearbox, the clamping catch 22 is adjustably mounted on the driving turntable 21, and the supporting plate clamp 23 is arranged on the inner side of the driving turntable 21 and is flush with the alloy sliding rail 71.
A multistage processing method for the inner surface of a cylindrical shell comprises the following steps:
a. and (3) shell installation: selecting a supporting frame 62 with proper size according to the size of the cylindrical shell, penetrating the shell into the annular frame 621, and placing the supporting frame 62 and the shell on the lifting platen 61;
b. housing clamping and pair axis: the tail of the shell is clamped by using the clamping catches 22 on the driving turntable 21, and the height of the lifting table plate 61 is adjusted so that the shell is aligned with the axis of the driving turntable 21
c. Large pallet shift: starting a first servo motor 53 in the first supporting plate mechanism 5, controlling a first positioning screw rod 54 to drive a sliding supporting table 51 to send a second supporting plate mechanism 7 into the shell body, and clamping the tail part of the alloy sliding rail 71 through a supporting plate clamp 23 when the tail end opening of the shell is large and the alloy sliding rail 71 can pass through; when the tail end of the shell is airtight or the opening is smaller, and the alloy sliding rail 71 cannot pass through, the supporting plate clamp 23 is not started;
d. small pallet displacement: starting a second servo motor 73 in the second supporting plate mechanism 7, and controlling a second positioning screw 74 to drive a polishing supporting plate 72 and a controllable polishing mechanism 8 arranged above the second positioning screw to move to a position to be processed in the shell body;
e. lifting a cutter and polishing: when the controllable polishing mechanism 8 moves to the to-be-processed place, the pen-shaped cylinder 84 and the polishing driving motor 81 are started to enable the rotary knife grinder 83 to lift to a designated position for polishing, the dust collection mechanism 4 is started in the polishing process, and the dust collection port 43 is used for collecting the polished scraps into the dust collection box 41
f. Grinding: the polishing process adjusts the air pressure and the ventilation direction of the pen-shaped air cylinder 84, so that the polishing depth and the polishing start and stop can be controlled, and the sectional polishing effect can be realized under the cooperation of the second supporting plate mechanism 7.
Example 2:
the difference from the above embodiment 1 is that the processing device further includes a wire feeding mechanism 9, where the wire feeding mechanism 9 includes a wire feeding roller and a wire feeding motor, and in the processing steps c and d, the wire feeding motor is started to release the wire wound on the wire feeding roller, so as to ensure synchronous cooperative movement of the relevant wire and the air pipe.
Claims (9)
1. A multi-stage treatment device for an inner surface of a cylindrical casing, comprising: the device comprises a processing table (1), a shell rotating mechanism (2), a numerical control system (3) and a dust collection mechanism (4), wherein a first supporting plate mechanism (5) and a shell supporting mechanism (6) are arranged on the processing table (1);
the first supporting plate mechanism (5) comprises a sliding supporting table (51), a guide rail (52), a first servo motor (53) and a first positioning screw rod (54), wherein the guide rail (52) is arranged at the top of the processing table (1), and a second supporting plate mechanism (7) is arranged at the top of the sliding supporting table (51);
the shell supporting mechanism (6) comprises a lifting bedplate (61) and a supporting frame (62), wherein the supporting frame (62) is arranged at the top of the lifting bedplate (61), an annular frame (621) is arranged at the upper part of the supporting frame (62), and a roller (622) is arranged at the inner ring of the annular frame;
the second support plate mechanism (7) comprises an alloy sliding rail (71), a polishing support plate (72), a second servo motor (73), a second positioning screw rod (74) and a gear speed regulation box (75), wherein the second servo motor (73) is connected with the second positioning screw rod (74) through the gear speed regulation box (75), a controllable polishing mechanism (8) is arranged on the polishing support plate (72), a threaded connection part is arranged at the bottom of the polishing support plate (72), and the polishing support plate (72) is connected with the second positioning screw rod (74) through the threaded connection part;
the controllable polishing mechanism (8) comprises a polishing driving motor (81), a flexible shaft (82), a rotary knife grinder (83), a pen-shaped cylinder (84), an L-shaped connecting rod (85), a polishing head lifting slide block (86) and a polishing head lifting slide bar (87); the polishing driving motor (81) is connected with the rotary knife (83) through the flexible shaft (82); the polishing support plate (72) is provided with a first hinge joint and a second hinge joint, the L-shaped connecting rod (85) comprises a short rod and a long rod which are connected with each other at a folding angle, the cylinder body of the pen-shaped cylinder (84) is connected with the first hinge joint, the rod body of the pen-shaped cylinder (84) is hinged with the tail end of the short rod of the L-shaped connecting rod (85), the folding angle of the L-shaped connecting rod (85) is hinged at the second hinge joint, and the tail end of the long rod of the L-shaped connecting rod (85) is connected with the grinding head lifting slide block (86); the grinding head lifting slide block (86) is provided with a vertical groove (861), the grinding support plate (72) is provided with a horizontal groove (871) corresponding to the lower part of the grinding head lifting slide block (86), two ends of the grinding head lifting slide rod (87) are respectively arranged in the vertical groove (861) and in the horizontal groove (871), and the rotating grinding blade (83) is arranged at the top of the grinding head lifting slide block (86).
2. The multi-stage treatment device according to claim 1, wherein the dust collection mechanism (4) comprises a dust collection box (41), a suction pump, a dust collection pipe (42) and a dust collection opening (43), the dust collection opening (43) is arranged at the position, close to the rotary knife blade (83), of the polishing support plate (72), and two ends of the dust collection pipe (42) are respectively connected with the dust collection box (41) and the dust collection opening (43).
3. The multistage processing device according to claim 1, wherein the shell rotating mechanism (2) comprises a driving turntable (21), a clamping catch (22) and a supporting plate clamp (23), the driving turntable (21) is a hollow turntable driven by a variable frequency motor and a gearbox, the clamping catch (22) is adjustably mounted on the driving turntable (21), and the supporting plate clamp (23) is arranged on the inner side of the driving turntable (21) and is flush with the alloy sliding rail (71).
4. A multi-stage treatment device for the inner surface of a tubular housing according to claim 1, characterized in that the treatment device is further provided with a wire feeding mechanism (9), the wire feeding mechanism (9) comprising a wire feeding rod and a wire feeding motor.
5. A multi-stage treatment device for the inner surface of a cylindrical housing according to claim 1, wherein the alloy slide rail (71) is made of a high-strength alloy profile, the section of which is of a porous rectangular structure, the width of the rectangular section being larger than the height, and comprises a screw rod groove region (711), a pallet groove region (712) and a plurality of triangular reinforcing regions (713) formed by reinforcing ribs arranged in a crossing manner; the second positioning screw rod (74) is hidden in the alloy sliding rail (71) through the screw rod groove area (711), and a guide block (721) matched with the supporting plate groove area (712) is arranged at the bottom of the polishing supporting plate (72).
6. The multistage processing device according to claim 1, wherein the top of the sliding tray (51) is provided with a supporting plate of inverted triangle structure.
7. The multistage processing device according to claim 1, wherein the numerical control system (3) comprises a numerical control screen, a PLC, a servo controller, a frequency converter, a distance sensor, a speed sensor, and an electromagnetic switch.
8. A multistage treatment method of the inner surface of a cylindrical shell, characterized in that the treatment device according to any one of the preceding claims 1-7 is used for the treatment according to the following steps:
a. and (3) shell installation: selecting a supporting frame (62) with proper size according to the size of the cylindrical shell, penetrating the shell into the annular frame (621), and placing the supporting frame (62) and the shell on the lifting platen (61);
b. housing clamping and pair axis: clamping the tail of the housing by means of clamping catches (22) on the drive turntable (21) and adjusting the height of the lifting platen (61) so that the housing is aligned with the axis of the drive turntable (21)
c. Large pallet shift: a first servo motor (53) in the first supporting plate mechanism (5) is started, a first positioning screw rod (54) is controlled to drive a sliding supporting table (51) to send a second supporting plate mechanism (7) into the shell body, and when the tail end opening of the shell is larger, an alloy sliding rail (71) can pass through, the tail part of the alloy sliding rail (71) is clamped by a supporting plate clamp (23); when the tail end of the shell is airtight or the opening is smaller, and the alloy sliding rail (71) cannot pass through, the supporting plate clamp (23) is not started;
d. small pallet displacement: a second servo motor (73) in the second supporting plate mechanism (7) is started, and a second positioning screw rod (74) is controlled to drive a polishing supporting plate (72) and a controllable polishing mechanism (8) arranged above the second positioning screw rod to move to a position to be processed in the shell barrel;
e. lifting a cutter and polishing: when the controllable polishing mechanism (8) moves to a to-be-processed position, a pen-shaped cylinder (84) and a polishing driving motor (81) are started, so that the rotary knife blade (83) is lifted to a designated position for polishing, the dust collection mechanism (4) is started simultaneously in the polishing process, and the polished scraps are collected into the dust collection box (41) through the dust collection opening (43)
f. Grinding: the polishing process adjusts the air pressure and the ventilation direction of the pen-shaped air cylinder (84), so that the polishing depth and the polishing start and stop can be controlled, and the sectional polishing effect can be realized under the cooperation of the second supporting plate mechanism (7).
9. The method according to claim 8, wherein in step c and step d, the wire feeding motor is started to release the wire wound on the wire feeding rod, so as to ensure synchronous cooperative movement of the relevant wire and the air tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910208120.3A CN109909820B (en) | 2019-03-19 | 2019-03-19 | Multi-stage treatment device and method for inner surface of cylindrical shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910208120.3A CN109909820B (en) | 2019-03-19 | 2019-03-19 | Multi-stage treatment device and method for inner surface of cylindrical shell |
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| CN109909820A CN109909820A (en) | 2019-06-21 |
| CN109909820B true CN109909820B (en) | 2023-10-27 |
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| CN116690319B (en) * | 2023-07-04 | 2023-11-03 | 兰溪市同力铝业股份有限公司 | Motorcycle accessory machining device and application method thereof |
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| JPH11254277A (en) * | 1998-03-04 | 1999-09-21 | Toyo Advanced Technologies Co Ltd | Internal grinding machine |
| JP2007276032A (en) * | 2006-04-05 | 2007-10-25 | Okuma Corp | Grinding machine |
| CN102085624A (en) * | 2010-11-30 | 2011-06-08 | 无锡机床股份有限公司 | Internal and external compound grinding machine |
| CN206084620U (en) * | 2016-08-29 | 2017-04-12 | 天津市中重金属结构有限公司 | Automatic grinding device suitable for stainless steel barrel body |
| CN108972311A (en) * | 2018-08-15 | 2018-12-11 | 淮南国力液压装备有限公司 | A kind of horizontal cylinder barrel honing machine |
| CN109290936A (en) * | 2017-07-25 | 2019-02-01 | 中天科技精密材料有限公司 | Quartz ampoule device for polishing inner hole and its polishing method |
| CN209919490U (en) * | 2019-03-19 | 2020-01-10 | 湖州师范学院 | Multi-section processing device for inner surface of cylindrical shell |
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2019
- 2019-03-19 CN CN201910208120.3A patent/CN109909820B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11254277A (en) * | 1998-03-04 | 1999-09-21 | Toyo Advanced Technologies Co Ltd | Internal grinding machine |
| JP2007276032A (en) * | 2006-04-05 | 2007-10-25 | Okuma Corp | Grinding machine |
| CN102085624A (en) * | 2010-11-30 | 2011-06-08 | 无锡机床股份有限公司 | Internal and external compound grinding machine |
| CN206084620U (en) * | 2016-08-29 | 2017-04-12 | 天津市中重金属结构有限公司 | Automatic grinding device suitable for stainless steel barrel body |
| CN109290936A (en) * | 2017-07-25 | 2019-02-01 | 中天科技精密材料有限公司 | Quartz ampoule device for polishing inner hole and its polishing method |
| CN108972311A (en) * | 2018-08-15 | 2018-12-11 | 淮南国力液压装备有限公司 | A kind of horizontal cylinder barrel honing machine |
| CN209919490U (en) * | 2019-03-19 | 2020-01-10 | 湖州师范学院 | Multi-section processing device for inner surface of cylindrical shell |
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