CN113385963A - Fixture for turning stepped hole of cylinder body - Google Patents
Fixture for turning stepped hole of cylinder body Download PDFInfo
- Publication number
- CN113385963A CN113385963A CN202110780558.6A CN202110780558A CN113385963A CN 113385963 A CN113385963 A CN 113385963A CN 202110780558 A CN202110780558 A CN 202110780558A CN 113385963 A CN113385963 A CN 113385963A
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- positioning
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- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of machining equipment, in particular to a fixture for turning a stepped hole of a cylinder body. The clamp disclosed by the invention is directly clamped on a common numerical control machine tool for processing, and the clamping is safe, convenient and reliable. The invention has good processing quality, no difference with a horizontal processing center, and high processing efficiency which is 2 times or more than that of the horizontal processing center; in addition, the common numerical control machine tool has low price, the unit price is about 10 ten thousand yuan, and the numerical control machine tool has great economic benefit. The invention is economical, efficient and reliable, has very wide popularization value, and can be industrially popularized and applied in a large scale.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to a fixture for turning a stepped hole of a cylinder body.
Background
The cylinder block is a main body of the engine, connects each cylinder and a crankcase into a whole, and is a supporting framework for mounting pistons, crankshafts, other parts and accessories. A cylinder block of an internal combustion engine is manufactured by die-casting, in which a plurality of cylinder bores are formed in a row, a water jacket is formed around the plurality of cylinder bores, and an oil passage extending in the direction in which the cylinder bores are arranged is provided below the water jacket.
The cylinder block belongs to a high-precision part, is usually processed by a horizontal processing center, and has high processing precision and low rejection rate. However, the machining efficiency of the step hole is low, the unit price of the horizontal machining center is more than 200 ten thousand, and the small-sized enterprises cannot bear the high price. Therefore, a processing apparatus with high efficiency, high precision and low cost is needed to solve the above problems.
Disclosure of Invention
The invention aims to overcome at least one of the defects in the prior art, and provides a fixture for turning a stepped hole of a cylinder body, which can be directly additionally arranged on a common numerical control machine tool for use so as to achieve the effects of high efficiency, high precision and low cost in the process of machining the stepped hole. The purpose of the invention is realized based on the following technical scheme:
a car cylinder body step hole clamp comprises an upper clamping piece, a lower clamping piece, a left clamping piece, a right clamping piece and a positioning plate, wherein a cylinder body is fixedly arranged on the positioning plate through the upper clamping piece, the lower clamping piece, the left clamping piece and the right clamping piece, and the rear end face of the cylinder body is abutted to the positioning plate; the positioning plate is provided with a first positioning column, a first bolt hole, a second bolt hole and a second positioning column which are vertically arranged, the upper clamping piece comprises a first pressing plate, the first pressing plate is abutted against the front end face of the cylinder body, the first pressing plate is provided with a first positioning hole and a third bolt hole which are vertically arranged, the first positioning hole is used for installing the first positioning column, the third bolt hole is used for installing a first bolt in a matching way with the first bolt hole, the first bolt and the first pressing plate are locked in a matching way through a first nut, the lower clamping piece comprises a second pressing plate, the second pressing plate is abutted against the front end face of the cylinder body, the second pressing plate is provided with a fourth bolt hole and a second positioning hole which are vertically arranged, the fourth bolt hole is used for installing a second bolt in a matching way with the second bolt hole, and the second bolt and the second pressing plate are locked in a matching way through a second nut, the first pressing plate, the second pressing plate and the positioning plate jointly extrude the cylinder body, so that the cylinder body is positioned and fixed along the Y-axis direction; a first mounting column and a first hexagon head bolt are further arranged on the positioning plate and located below the first pressing plate, the first mounting column is vertically arranged on the positioning plate, the first hexagon head bolt comprises a first hexagon head and a third bolt, the third bolt penetrates through the first mounting column and is abutted to the upper end face of the cylinder body, a plurality of first positioning pins are further respectively arranged on the positioning plate and located on the left side and the right side of the second pressing plate, the first positioning pins are abutted to the lower end face of the cylinder body, and when the first hexagon head is rotated, the third bolt can be driven to translate downwards and extrude the cylinder body together with the first positioning pins, so that the cylinder body is positioned and fixed along the Z-axis direction; the left clamping piece includes a plurality of second locating pins, the left end face butt of second locating pin and cylinder body, right side clamping piece includes second erection column and second hexagon head bolt, second hexagon head bolt includes second hexagon head and fourth bolt, the fourth bolt passes the right-hand member face butt of second erection column and cylinder body, and is just as rotatory the second hexagon head can drive fourth bolt translation left and second locating pin extrudees the cylinder body jointly to fix the cylinder body along X axle direction location.
Preferably, a first jackscrew is coaxially arranged between the third bolt and the cylinder body, and/or a second jackscrew is coaxially arranged between the fourth bolt and the cylinder body.
Preferably, the first mounting column and/or the second mounting column is in an inverted T shape.
Preferably, the first mounting column is connected with the positioning plate through bolts, and the bolt connection comprises fifth bolt holes arranged on two sides of the first hexagon head bolt and a third hexagon head bolt matched with the bolt holes.
Preferably, the second mounting column is connected with the positioning plate through bolts, and the bolt connection comprises sixth bolt holes arranged on two sides of the second hexagon head bolt and a fourth hexagon head bolt matched with the bolt holes.
Preferably, the first locating pin is provided with 2 ~ 3, is located the left and right sides of terminal surface under the cylinder body respectively when being provided with 2, is located the left and right sides of terminal surface under the cylinder body respectively when being provided with 3.
Preferably, the first positioning pin comprises a first positioning pin and a first pin groove, the first pin groove is vertically arranged on the positioning plate, a third positioning hole is arranged at a corresponding position of the positioning plate, and the first positioning pin penetrates through the first pin groove to enter the third positioning hole for locking.
Preferably, the second positioning pin comprises a second positioning pin and a second pin groove, the second pin groove is vertically arranged on the positioning plate, a fourth positioning hole is arranged at the corresponding position of the positioning plate, and the second positioning pin penetrates through the second pin groove to enter the fourth positioning hole for locking.
Preferably, the lower surface of the first pressing plate is further provided with a first groove, the first groove is used for being matched with the upper side of the front end face of the cylinder body to clamp the upper side, and/or the lower surface of the second pressing plate is further provided with a second groove, and the second groove is used for being matched with the lower side of the front end face of the cylinder body to clamp the lower side.
Preferably, a plurality of positioning columns are further arranged on the positioning plate, and the positioning columns are arranged inside the rear end face of the cylinder body and are arranged close to the upper side.
The invention can obtain at least one of the following beneficial effects:
the clamp disclosed by the invention is safe, convenient and reliable to clamp, can be directly clamped on a common numerical control machine tool for processing, is positioned by the left end face, the front end face and the lower end face of the cylinder body, can be finely adjusted to an ideal verticality and low error state by adjusting bolts and nuts in the upper clamping piece, the lower clamping piece and the right clamping piece, and then processes a step hole of the cylinder body. The invention has good processing quality, no difference with a horizontal processing center, and high processing efficiency which is 2 times or more than that of the horizontal processing center; in addition, the common numerical control machine tool has low price, the unit price is about 10 ten thousand yuan, and the numerical control machine tool has great economic benefit. The invention is economical, efficient and reliable, has very wide popularization value, and can be industrially popularized and applied in a large scale.
Drawings
FIG. 1 is a front view of a fixture for turning a stepped bore of a cylinder block according to a preferred embodiment of the present invention;
FIG. 2 is a left side view of a structure of a fixture for lathing a stepped hole of a cylinder block according to a preferred embodiment of the present invention;
FIG. 3 is a front view of the cylinder structure;
FIG. 4 is a schematic diagram of the AA side of FIG. 3;
fig. 5 (1) is a left side view of the cylinder structure; (2) is a top view of the cylinder structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The cylinder body has a structure as shown in fig. 3 to 5, wherein the stepped holes 68 are arranged to penetrate through the front end surface 61 and the rear end surface 62 of the cylinder body, and there are 3 stepped holes in total.
As shown in fig. 1 to 2, a preferred embodiment of the present invention provides a turning cylinder stepped hole clamp, which includes an upper clamping member 1, a lower clamping member 2, a left clamping member 3, a right clamping member 4 and a positioning plate 5, wherein a cylinder 6 is fixedly mounted on the positioning plate 5 through the upper clamping member 1, the lower clamping member 2, the left clamping member 3 and the right clamping member 4, and a rear end surface 62 of the cylinder 6 abuts against the positioning plate 5. Wherein, a first positioning column 51, a first bolt hole 52, a second bolt hole 53 and a second positioning column 54 which are vertically arranged are arranged on the positioning plate 5, the upper clamping member 1 comprises a first pressing plate 11, the first pressing plate 11 is abutted against the front end surface 61 of the cylinder body 6, a first positioning hole 12 and a third bolt hole 13 which are vertically arranged are arranged on the first pressing plate 11, the first positioning hole 12 is used for installing the first positioning column 51, the third bolt hole 13 is used for installing a first bolt 14 in cooperation with the first bolt hole 52, the first bolt 14 is locked with the first pressing plate 11 in cooperation through a first nut 15, the lower clamping member 2 comprises a second pressing plate 21, the second pressing plate 21 is abutted against the front end surface 61 of the cylinder body 6, a fourth bolt hole 22 and a second positioning hole 23 which are vertically arranged are arranged on the second pressing plate 21, the fourth bolt hole 22 is used for installing a second bolt 24 in cooperation with the second bolt hole 53, the second bolt 24 is locked with the second pressing plate 21 in cooperation through a second nut 25, the second positioning hole 23 is used for installing a second positioning column 54, and the first pressing plate 11, the second pressing plate 21 and the positioning plate 5 jointly press the cylinder body 6, so that the cylinder body 6 is positioned and fixed along the Y-axis direction; a first mounting column 55 and a first hexagon head bolt are further arranged on the positioning plate 5 and below the first pressing plate 11, the first mounting column 55 is vertically arranged on the positioning plate 5, the first hexagon head bolt comprises a first hexagon head 16 and a third bolt 17, the third bolt 17 penetrates through the first mounting column 55 to be abutted against the upper end face 65 of the cylinder body 7, a plurality of first positioning pins 26 are further respectively arranged on the left side and the right side of the second pressing plate 21 on the positioning plate 5, the first positioning pins 26 are abutted against the lower end face 66 of the cylinder body 6, and when the first hexagon head 16 is rotated, the third bolt 17 can be driven to translate downwards to jointly extrude the cylinder body 6 with the first positioning pins 26, so that the cylinder body 6 is positioned and fixed along the Z-axis direction; left clamping piece 3 includes a plurality of second locating pins 31, second locating pin 31 and the left end face 63 butt of cylinder body 6, right clamping piece 4 includes second erection column 41 and second hexagon head bolt, the second hexagon head bolt includes second hexagon head 42 and fourth bolt 43, fourth bolt 43 passes second erection column 41 and the right end face 64 butt of cylinder body 7, and can drive fourth bolt 43 when rotatory second hexagon head 42 and translate left and extrude cylinder body 6 jointly with second locating pin 31, thereby fix the cylinder body 6 along X axle direction location. Wherein the left clamp 3 and the right clamp 4 are provided below the straight hole 67.
In the present embodiment, a first jackscrew 18 is further coaxially disposed between the third bolt 17 and the cylinder 6, and/or a second jackscrew 44 is further coaxially disposed between the fourth bolt 43 and the cylinder 6. The jackscrew can play the positioning action to the cylinder body, makes it can not take place the skew in the process of clamping.
In this embodiment, the first mounting post 55 and/or the second mounting post 41 are/is inverted "T" to facilitate the connection with the positioning plate 5. The first hexagon head bolt is arranged in the long vertical edge of the positioning column 41, and the transverse edge of the inverted T shape is used for fixing the first mounting column 55 on the mounting plate 6, so that the connection is stable and firm.
In the present embodiment, the first mounting post 55 is bolted to the positioning plate 5, and the bolting includes a fifth bolt hole 56 disposed on both sides of the first hexagon head bolt, and a third hexagon head bolt 57 engaged with the bolt holes. The bolt connection is convenient to install and detach and is stable in connection.
In the present embodiment, the second mounting post 41 is bolted to the positioning plate 5, and the bolting includes a sixth bolt hole 45 provided on both sides of the second hexagon head bolt, and a fourth hexagon head bolt 50 engaged with the bolt holes. The bolt connection is convenient to install and detach and is stable in connection.
In the present embodiment, the number of the first positioning pins 26 is 2 to 3, and the first positioning pins are respectively located on the left and right sides of the lower end surface 66 of the cylinder 6 when the number of the first positioning pins is 2, and are respectively located on the left, middle and right sides of the lower end surface 66 of the cylinder 6 when the number of the first positioning pins is 3. Preferably, 2 positioning devices are arranged, the structure is simple, and the positioning effect is good.
In this embodiment, the first positioning pin 26 includes a first positioning pin 27 and a first pin slot 28, the first pin slot 28 is vertically disposed on the positioning plate 5, a third positioning hole 58 is disposed at a corresponding position of the positioning plate 5, and the first positioning pin 27 passes through the first pin slot 28 and enters the third positioning hole 58 to lock. The pin slot cooperates with the locating hole, strengthens the steadiness of being connected with the locating pin, is favorable to improving the precision.
In this embodiment, the second positioning pin 31 includes a second positioning pin 32 and a second pin slot 33, the second pin slot 32 is vertically disposed on the positioning plate 5, a fourth positioning hole 59 is disposed on a corresponding position of the positioning plate 5, and the second positioning pin 32 passes through the second pin slot 33 and enters the fourth positioning hole 59 for locking. The pin slot cooperates with the locating hole, strengthens the steadiness of being connected with the locating pin, is favorable to improving the precision.
In this embodiment, the lower surface of the first presser plate 11 is further provided with a first groove 19, the first groove 19 being adapted to cooperate with the upper side of the front end surface of the cylinder 6 for clamping the upper side, and/or the lower surface of the second presser plate 21 is further provided with a second groove 29, the second groove 29 being adapted to cooperate with the lower side of the front end surface of the cylinder 6 for clamping the lower side. First recess and second recess all play the effect of assistance-localization real-time chucking, prevent that the cylinder body from taking place the skew in Y axle direction.
In this embodiment, the positioning plate 5 is further provided with a plurality of positioning pillars 60, and the positioning pillars 60 are disposed inside the rear end surface 62 of the cylinder 6 and are adjacent to the upper side. The reference column also plays the effect of auxiliary positioning on the one hand, and on the other hand has played the fixed action to cylinder body Y axle direction, makes things convenient for subsequent clamping operation.
The working principle of the invention is as follows: the clamp is directly clamped on a common numerical control machine tool for processing, the left end surface 63, the front end surface 61 and the lower end surface 66 of the cylinder body are positioned, the ideal verticality and low error state can be finely adjusted through adjusting bolts and nuts in the upper clamping piece, the lower clamping piece and the right clamping piece, and then the cylinder body step hole 68 is processed.
The clamp has the advantages of safe, convenient and reliable clamping, good processing quality, no difference with a horizontal processing center, and high processing efficiency which is 2 times or more than that of the horizontal processing center; in addition, the common numerical control machine tool has low price, the unit price is about 10 ten thousand yuan, and the numerical control machine tool has great economic benefit. The invention is economical, efficient and reliable, has very wide popularization value, and can be industrially popularized and applied in a large scale.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The fixture for the step holes of the car cylinder bodies is characterized by comprising an upper clamping piece (1), a lower clamping piece (2), a left clamping piece (3), a right clamping piece (4) and a positioning plate (5), wherein the cylinder body (6) is fixedly installed on the positioning plate (5) through the upper clamping piece (1), the lower clamping piece (2), the left clamping piece (3) and the right clamping piece (4), and the rear end face (62) of the cylinder body (6) is abutted to the positioning plate (5); the clamping device is characterized in that a first positioning column (51), a first bolt hole (52), a second bolt hole (53) and a second positioning column (54) which are vertically arranged are arranged on the positioning plate (5), the upper clamping part (1) comprises a first pressing plate (11), the first pressing plate (11) is abutted to the front end face (61) of the cylinder body (6), a first positioning hole (12) and a third bolt hole (13) which are vertically arranged are arranged on the first pressing plate (11), the first positioning hole (12) is used for installing the first positioning column (51), the third bolt hole (13) is used for installing a first bolt (14) in a matching way with the first bolt hole (52), the first bolt (14) is locked with the first pressing plate (11) in a matching way through a first nut (15), the lower clamping part (2) comprises a second pressing plate (21), the second pressing plate (21) is abutted to the front end face (61) of the cylinder body (6), a fourth bolt hole (22) and a second positioning hole (23) which are vertically arranged are formed in the second pressing plate (21), the fourth bolt hole (22) is used for being matched with the second bolt hole (53) to install a second bolt (24), the second bolt (24) and the second pressing plate (21) are matched and locked through a second nut (25), the second positioning hole (23) is used for installing a second positioning column (54), and the first pressing plate (11), the second pressing plate (21) and the positioning plate (5) jointly press the cylinder body (6), so that the cylinder body (6) is positioned and fixed along the Y-axis direction; a first mounting column (55) and a first hexagon head bolt are also arranged below the first pressure plate (11) on the positioning plate (5), the first mounting column (55) is vertically arranged on the positioning plate (5), the first hexagon head bolt comprises a first hexagon head (16) and a third bolt (17), the third bolt (17) passes through the first mounting column (55) and is abutted against the upper end surface (65) of the cylinder body (7), a plurality of first positioning pins (26) are respectively arranged on the positioning plate (5) at the left side and the right side of the second pressing plate (21), the first positioning pin (26) is abutted against the lower end surface (66) of the cylinder body (6), when the first hexagonal head (16) is rotated, the third bolt (17) can be driven to translate downwards to jointly press the cylinder body (6) with the first positioning pin (26), so that the cylinder body (6) is fixedly positioned along the Z-axis direction; the left clamping piece (3) comprises a plurality of second positioning pins (31), the second positioning pins (31) are abutted to the left end face (63) of the cylinder body (6), the right clamping piece (4) comprises a second mounting column (41) and a second hexagon head bolt, the second hexagon head bolt comprises a second hexagon head (42) and a fourth bolt (43), the fourth bolt (43) penetrates through the second mounting column (41) to be abutted to the right end face (64) of the cylinder body (7), and when the second hexagon head (42) rotates, the second hexagon head bolt (43) can drive the fourth bolt (43) to translate leftwards and press the cylinder body (6) together with the second positioning pins (31), so that the cylinder body (6) is positioned and fixed in the X-axis direction.
2. The vehicle cylinder stepped hole clamp according to claim 1, wherein a first jackscrew (18) is further coaxially arranged between the third bolt (17) and the cylinder body (6), and/or a second jackscrew (44) is further coaxially arranged between the fourth bolt (43) and the cylinder body (6).
3. The vehicle cylinder stepped hole clamp according to claim 1, wherein the first mounting column (55) and/or the second mounting column (41) is in an inverted T shape.
4. The cylinder block stepped hole clamp according to claim 1, wherein the first mounting column (55) is bolted to the positioning plate (5), and the bolted connection comprises a fifth bolt hole (56) arranged on both sides of the first hexagon head bolt and a third hexagon head bolt (57) matched with the bolt holes.
5. The cylinder block stepped hole clamp according to claim 1, wherein the second mounting column (41) is bolted to the positioning plate (5), and the bolted connection comprises a sixth bolt hole (45) arranged on both sides of the second hexagon head bolt and a fourth hexagon head bolt (50) matched with the bolt hole.
6. The cylinder block stepped hole clamp according to claim 1, wherein the number of the first positioning pins (26) is 2-3, and the first positioning pins are respectively located on the left side, the right side and the left side of the lower end surface (66) of the cylinder block (6) when the number of the first positioning pins is 2, and are respectively located on the left, the middle and the right side of the lower end surface (66) of the cylinder block (6) when the number of the first positioning pins is 3.
7. The cylinder block stepped hole clamp according to claim 1, wherein the first positioning pin (26) comprises a first positioning pin (27) and a first pin groove (28), the first pin groove (28) is vertically arranged on the positioning plate (5), a third positioning hole (58) is arranged at a corresponding position of the positioning plate (5), and the first positioning pin (27) penetrates through the first pin groove (28) and enters the third positioning hole (58) to be locked.
8. The fixture for the stepped hole of the cylinder body as recited in claim 1, wherein the second positioning pin (31) comprises a second positioning pin (32) and a second pin groove (33), the second pin groove (32) is vertically arranged on the positioning plate (5), a fourth positioning hole (59) is arranged at a corresponding position of the positioning plate (5), and the second positioning pin (32) passes through the second pin groove (33) and enters the fourth positioning hole (59) for locking.
9. A cylinder block stepped hole clamp according to claim 1, wherein the lower surface of the first pressing plate (11) is further provided with a first groove (19), the first groove (19) is used for matching with the upper side of the front end surface of the cylinder block (6) so as to clamp the upper side, and/or the lower surface of the second pressing plate (21) is further provided with a second groove (29), the second groove (29) is used for matching with the lower side of the front end surface of the cylinder block (6) so as to clamp the lower side.
10. The fixture for lathe cylinder step holes as claimed in claim 1, wherein the positioning plate (5) is further provided with a plurality of positioning columns (60), and the positioning columns (60) are arranged inside the rear end surface (62) of the cylinder (6) and are adjacent to the upper side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110780558.6A CN113385963A (en) | 2021-07-09 | 2021-07-09 | Fixture for turning stepped hole of cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110780558.6A CN113385963A (en) | 2021-07-09 | 2021-07-09 | Fixture for turning stepped hole of cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113385963A true CN113385963A (en) | 2021-09-14 |
Family
ID=77625860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110780558.6A Pending CN113385963A (en) | 2021-07-09 | 2021-07-09 | Fixture for turning stepped hole of cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113385963A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386617A (en) * | 2012-05-09 | 2013-11-13 | 安徽华菱汽车有限公司 | Cylinder cover and positioning device for processing cylinder cover |
| CN103753271A (en) * | 2013-12-31 | 2014-04-30 | 广西玉柴机器股份有限公司 | Air cylinder clamp |
| CN105689802A (en) * | 2014-11-24 | 2016-06-22 | 芜湖玉泰汽车制动有限公司 | Clamp for precision twisting of inner cavity of automotive braking master pump cylinder |
| CN105690132A (en) * | 2014-11-24 | 2016-06-22 | 芜湖玉泰汽车制动有限公司 | Clamp for drilling automotive braking master pump cylinder |
| CN212042756U (en) * | 2020-03-16 | 2020-12-01 | 廊坊新龙立机械制造有限公司 | Tool for gantry machining center of shell of single-punch tablet press |
-
2021
- 2021-07-09 CN CN202110780558.6A patent/CN113385963A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386617A (en) * | 2012-05-09 | 2013-11-13 | 安徽华菱汽车有限公司 | Cylinder cover and positioning device for processing cylinder cover |
| CN103753271A (en) * | 2013-12-31 | 2014-04-30 | 广西玉柴机器股份有限公司 | Air cylinder clamp |
| CN105689802A (en) * | 2014-11-24 | 2016-06-22 | 芜湖玉泰汽车制动有限公司 | Clamp for precision twisting of inner cavity of automotive braking master pump cylinder |
| CN105690132A (en) * | 2014-11-24 | 2016-06-22 | 芜湖玉泰汽车制动有限公司 | Clamp for drilling automotive braking master pump cylinder |
| CN212042756U (en) * | 2020-03-16 | 2020-12-01 | 廊坊新龙立机械制造有限公司 | Tool for gantry machining center of shell of single-punch tablet press |
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