CN214161470U - Cylinder head deep hole drilling tool and deep hole drilling processing device - Google Patents
Cylinder head deep hole drilling tool and deep hole drilling processing device Download PDFInfo
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- CN214161470U CN214161470U CN202022589711.0U CN202022589711U CN214161470U CN 214161470 U CN214161470 U CN 214161470U CN 202022589711 U CN202022589711 U CN 202022589711U CN 214161470 U CN214161470 U CN 214161470U
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Abstract
The utility model belongs to the technical field of cylinder head processing equipment, a cylinder head bores deep hole frock and bores deep hole processingequipment is provided, the cylinder head bores deep hole frock includes the frock base, is equipped with drive arrangement driven layer board above the frock base, is equipped with the slide that is used for realizing the cylinder head and carries and is used for realizing the deflector of cylinder head sliding guide on the layer board; one end of the tool base is provided with a baffle and a drill bushing, the top of the tool base is provided with a plurality of positioning pins for positioning the cylinder cover, a supporting table for supporting the cylinder cover and a clamping mechanism for fixing the cylinder cover, and when one end of the cylinder cover is in a state of abutting against the baffle, the positioning pins correspond to positioning holes in the cylinder cover. The utility model discloses a this frock realizes that the location of cylinder head is fixed, and clamping easy operation is convenient, and labour saving and time saving, and accurate firm to the location centre gripping of cylinder head, for the accurate drilling processing that realizes cylinder head oil duct hole provides reliable assurance, the processingquality and the performance of cylinder head improve greatly.
Description
Technical Field
The utility model relates to a cylinder head processing equipment technical field especially relates to a cylinder head bores deep hole frock and bores deep hole processingequipment.
Background
The cylinder cover is a box-shaped part with a complex structure, and is provided with an air inlet valve seat hole, an air outlet valve seat hole, an air valve guide pipe hole, a spark plug mounting hole (a gasoline engine) or an oil injector mounting hole and the like; a water jacket, an intake and exhaust passage, and a combustion chamber or a portion of a combustion chamber are also cast into the cylinder head. The cylinder cover is used for sealing the cylinder, forming a combustion space together with the piston and bearing high-temperature and high-pressure fuel gas. The cylinder head is subjected to mechanical loads caused by gas forces and tightening of the cylinder bolts, and also to high thermal loads due to contact with the hot gases.
In the process of machining the cylinder cover, machining of the oil passage hole is of great importance, and the quality of the cylinder cover is directly influenced. At present, the oil passage hole machining of the cylinder cover is usually completed by manual operation on a drilling machine device, multiple clamping and positioning (after one end of the cylinder cover is drilled, the other end is drilled) are required to be performed on the drilling machine, the labor intensity is high, the machining efficiency is low, the deep hole machining difficulty is high, when each cylinder cover is drilled with the oil passage hole, the positioning accuracy of the cylinder cover is difficult to ensure through multiple clamping, the drilling precision of the cylinder cover cannot be guaranteed, and the machining quality and the use performance of the cylinder cover are finally influenced. Therefore, develop a cylinder head and bore deep hole frock and bore deep hole processingequipment, not only have urgent research value, also have good economic benefits and industrial application potentiality, it is this the utility model discloses the power place and the basis that can accomplish.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-identified drawbacks of the prior art, the present inventors have conducted intensive studies and, after having paid a lot of creative efforts, have completed the present invention.
Particularly, the utility model discloses the technical problem that solve is: the utility model provides a cylinder head bores deep hole frock and bores deep hole processingequipment to solve present cylinder head and bore oil duct spot facing work, intensity of labour is big, and machining efficiency and drilling precision are low technical problem.
In order to solve the technical problem, the technical scheme of the utility model is that:
a cylinder cover deep hole drilling tool comprises a tool base, wherein a supporting plate driven by a driving device is arranged above the tool base, and a slide way for conveying a cylinder cover and a guide plate for sliding and guiding the cylinder cover are arranged on the supporting plate;
the fixture comprises a fixture base and is characterized in that a baffle and a drill bushing are arranged at one end of the fixture base, a plurality of positioning pins used for achieving positioning of the cylinder cover, a supporting table used for achieving supporting of the cylinder cover and a clamping mechanism used for achieving fixing of the cylinder cover are arranged at the top of the fixture base, one end of the cylinder cover is abutted against the baffle, and the positioning pins are arranged corresponding to positioning holes in the cylinder cover.
As an improved technical scheme, the driving device comprises a lifting oil cylinder, the lifting oil cylinder is fixedly installed on the tool base and located in the middle of the tool base, and the top end of a piston shaft of the lifting oil cylinder is fixedly connected with the supporting plate.
As an improved technical scheme, the supporting plate is fixedly provided with a mounting plate which is arranged in parallel, the mounting plate is rotatably provided with a plurality of rollers, and the rollers are uniformly arranged on the mounting plate to form the slide way.
As an improved technical scheme, the guide plates are arranged in parallel with the slide ways, three guide plates are arranged, one of the guide plates is fixedly installed at the edge position of one side of the supporting plate, the other two guide plates are fixedly installed at the edge position of the other side of the supporting plate, and the distance between the guide plates and the guide plates installed on one side is different.
As an improved technical scheme, the positioning pins comprise cylindrical positioning pins and rhombic positioning pins, and the cylindrical positioning pins and the rhombic positioning pins are respectively arranged at two ends of the tool base.
As an improved technical scheme, the supporting tables are respectively located at two ends of the top of the tool base, and the supporting tables are all provided with air tightness detection holes connected with an air supply system.
As an improved technical scheme, one end of the tool base is fixedly provided with a drill bushing mounting seat, and the drill bushing is fixedly arranged on the drill bushing mounting seat.
As an improved technical scheme, fixture respectively in four corner position departments at fixture base top set up, fixture include fixed mounting in pneumatic cylinder on the fixture base, the piston shaft tip of pneumatic cylinder is articulated to be installed and is pressed the claw, fixed mounting has the fixed block on the pneumatic cylinder, the fixed block with be equipped with the connecting rod between pressing the claw, the both ends of connecting rod respectively with press the claw the fixed block is articulated continuous, and with the pin joint of pressing the claw is located the intermediate position of pressing the claw.
As an improved technical scheme, a plurality of chip leakage holes are formed in the supporting plate, and the tool base is of a shell structure which is provided with two inclined chip guide surfaces and is trapezoidal in cross section.
The utility model discloses simultaneously disclose a cylinder head bores deep hole processingequipment, including the drilling machine, still include as above-mentioned the cylinder head bore deep hole frock, the drilling machine has two drilling equipment that set up side by side, the cylinder head bores deep hole frock and is equipped with two sets, two sets the cylinder head bores deep hole frock and passes through respectively fixture base fixed mounting in on the workstation of drilling machine, and the symmetry sets up, drilling equipment's brill sword respectively with the cylinder head bores deep hole frock the drill bushing corresponds the setting.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
(1) the cylinder cover to be drilled is placed on a slide way of a supporting plate from one end, far away from a drill bushing, of the supporting plate and then pushed in until one end of the cylinder cover abuts against a baffle plate, then an oil cylinder is lifted to work, the supporting plate is driven to descend to the bottom surface of the cylinder cover to abut against a supporting table, the positioning pin and the supporting table respectively realize positioning and supporting of the cylinder cover, at the moment, the drill bushing corresponds to the position, to be drilled, of the cylinder cover, finally, each hydraulic cylinder drives a pressing claw to press down, clamping and fixing of the cylinder cover are realized, drilling of an oil channel hole of the cylinder cover can be carried out, after the drilling of the cylinder cover is finished, each hydraulic cylinder drives the pressing claw to lift up, the lifting oil cylinder jacks up the supporting plate, and the processed cylinder cover can be pulled out of the tool and taken down; the positioning fixing of the cylinder cover oil passage hole is realized through the cylinder cover deep hole drilling tool, the clamping operation is simple and convenient, the time and the labor are saved, the positioning clamping of the cylinder cover is accurate and firm, the reliable guarantee is provided for the accurate drilling processing of the cylinder cover oil passage hole, and the processing quality and the use performance of the cylinder cover are greatly improved. This deep hole processingequipment is bored to cylinder head, two sets of symmetrical frocks that set up, the oil duct hole of accomplishing cylinder head one end is processed on one set of frock, turns to the oil duct hole processing of accomplishing the other end on another set of frock again for it is more convenient, high-efficient to the oil duct hole processing of cylinder head.
(2) The drill bushing arranged at one end of the tool base plays a role in limiting the drill cutter, effectively reduces the influence of shaking or vibration of the drill cutter on the drilling precision in the process of drilling the oil passage hole, and provides reliable guarantee for high-precision machining of the cylinder cover oil passage hole.
(3) The slide way formed by the plurality of rollers enables the cylinder cover to be pushed in a labor-saving manner, and meanwhile, the bottom surface of the cylinder cover cannot be damaged.
(4) The deflector is equipped with threely, and one of them deflector fixed mounting is in one side border position of layer board, and two other deflector equal fixed mounting are in the opposite side border position of layer board, and different with the interval of the deflector of one side installation, and its interval is the same with the width of two kinds of cylinder heads of intake and exhaust homonymy and intake and exhaust heteronymy respectively to can realize the direction to two kinds of cylinder heads of intake and exhaust homonymy and intake and exhaust heteronymy respectively, the commonality is strong.
(5) The locating pin that is equipped with plays the positioning action to the cylinder head, facilitates for the clamping location of cylinder head, and cylindrical locating pin and rhombus locating pin matched with structural design can effectively avoid the emergence of crossing the location phenomenon.
(6) The clamping mechanism is arranged, the hydraulic cylinder works, the pressing claw is driven to press down or lift up, clamping or loosening of the cylinder cover is achieved, the clamping mechanism is arranged at the four corner positions of the top of the tooling base respectively, clamping of the cylinder cover is achieved, and clamping is firm and reliable.
(7) The supporting table is provided with an air tightness detection hole connected with an air supply system, after the air cylinder head is clamped by the pressing claw driven by the hydraulic cylinder, automatic detection of the clamping condition of the air cylinder head can be realized, if no air leakage exists, the positioning and clamping are accurate and firm, if air leakage exists, effective in-place clamping is not realized, and the air cylinder head is alarmed to remind a worker to adjust or re-clamp.
(8) Set up some hourglass bits hole on the layer board, the iron fillings that produce can fall from leaking the bits hole during processing of oil drilling way hole, and the chip guide face that the frock base has sets up in the slope, is convenient for fall to the iron fillings landing on the chip guide face from leaking the bits hole, avoids iron fillings to pile up.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the deep hole drilling tool for the cylinder head of the present invention;
fig. 2 is another schematic perspective view of the deep hole drilling tool for the cylinder head according to the present invention;
fig. 3 is a schematic structural view of the tool base of the present invention;
FIG. 4 is a schematic structural view of the pallet of the present invention;
fig. 5 is a schematic structural view of the clamping mechanism of the present invention;
FIG. 6 is a schematic view of a part of the structure of the positioning pin and the supporting platform of the present invention installed on the tool base;
FIG. 7 is a schematic view of the clamping structure of the cylinder head on the same side of air inlet and outlet;
FIG. 8 is a schematic view of the clamping structure of the intake/exhaust opposite side cylinder head of the present invention;
fig. 9 is a schematic structural view of the device for drilling deep holes in the cylinder head according to the present invention;
reference numerals: 1-a tooling base; 101-chip removal surface; 102-a mounting groove; 2-lifting the oil cylinder; 3-a supporting plate; 301-chip leakage hole; 4-mounting a plate; 5-a roller; 6-a guide plate; 7-a stay bar; 8-a baffle plate; 9-a drill bushing mounting seat; 10-a drill bushing; 11-a locating pin; 12-a support table; 1201-air tightness detection holes; 13-a hydraulic cylinder; 14-pressing the claw; 15-fixing block; 16-a connecting rod; 17-drilling machine; 18-a drilling device; 19-cylinder head.
Detailed Description
The invention will be further described with reference to specific examples. The use and purpose of these exemplary embodiments are to illustrate the invention, not to limit the scope of the invention in any way, and not to limit the scope of the invention in any way.
As shown in fig. 1 to 8, the present embodiment provides a cylinder head deep hole drilling tool, which includes a tool base 1, a supporting plate 3 driven by a driving device is disposed above the tool base 1, and a slide way for conveying a cylinder head and a guide plate 6 for slidably guiding a cylinder head 19 are disposed on the supporting plate 3; one end of the tool base 1 is provided with a baffle 8 and a drill bushing 10, the top of the tool base 1 is provided with a plurality of positioning pins 11 for positioning the cylinder cover, a supporting table 12 for supporting the cylinder cover and a clamping mechanism for fixing the cylinder cover, one end of the cylinder cover 19 is in a state of abutting against the baffle 8, and the positioning pins 11 are arranged corresponding to positioning holes in the cylinder cover 19.
The driving device comprises a lifting oil cylinder 2, the lifting oil cylinder 2 is fixedly installed on the tooling base 1 and is located in the middle of the tooling base 1, and the top end of a piston shaft of the lifting oil cylinder 2 is fixedly connected with the supporting plate 3. In this embodiment, the middle position of the tool base 1 is provided with an installation groove 102, and the lift cylinder 2 is fixedly installed in the installation groove 102.
A mounting plate 4 arranged in parallel is fixedly arranged on the supporting plate 3, a plurality of rollers 5 are rotatably arranged on the mounting plate 4, and the rollers 5 are uniformly arranged on the mounting plate 4 to form a slide way; the slideway formed by the plurality of rollers 5 ensures that the bottom surface of the cylinder cover 19 cannot be damaged while the pushing of the cylinder cover 19 is labor-saving.
The guide plates 6 are arranged in parallel with the slide ways, the guide plates 6 are three, one guide plate 6 is fixedly arranged at the edge position of one side of the supporting plate 3, the other two guide plates 6 are fixedly arranged at the edge position of the other side of the supporting plate 3, the distance between the guide plates 6 arranged at one side is different, and the distance between the guide plates is the same as the width of two cylinder covers on the same side of air inlet and exhaust and the width of two cylinder covers on the different sides of air inlet and exhaust, so that the guide of the two cylinder covers on the same side of air inlet and exhaust and the two cylinder covers on the different sides of air inlet and exhaust can be realized respectively, and the universality is strong as shown in fig. 7 and 8.
In this embodiment, the guide plate 6 is fixedly mounted on the supporting plate 3 through the stay bar 7, and the guide plate 6 mounted at the edge of one side of the supporting plate 3 is located between the two guide plates 6 mounted at the edge of the other side of the supporting plate 3 in height.
In this embodiment, the inner side of the end of the guide plate 6 is chamfered to guide the cylinder head 19 when it is pushed in.
The clamping mechanisms are respectively arranged at four corner positions at the top of the tooling base 1 and comprise hydraulic cylinders 13 fixedly arranged on the tooling base 1, the end parts of piston shafts of the hydraulic cylinders 13 are hinged with pressing claws 14, fixed blocks 15 are fixedly arranged on the hydraulic cylinders 13, connecting rods 16 are arranged between the fixed blocks 15 and the pressing claws 14, two ends of each connecting rod 16 are respectively hinged with the pressing claws 14 and the fixed blocks 15, and the hinged points of the connecting rods and the pressing claws 14 are positioned in the middle positions of the pressing claws 14; the clamping mechanism is arranged, the hydraulic cylinder 13 works to drive the pressing claw 14 to press down or lift up, the cylinder cover 19 is clamped or loosened, the clamping mechanism is arranged at four corner positions of the top of the tooling base 1 respectively, the cylinder cover 19 is clamped, and clamping is firm and reliable.
In this embodiment, the positioning pins 11 include a cylindrical positioning pin 11 and a diamond positioning pin 11, and the cylindrical positioning pin 11 and the diamond positioning pin 11 are respectively located at two ends of the fixture base 1 and are correspondingly arranged; the locating pin 11 that is equipped with plays the positioning action to cylinder head 19, provides convenience for the clamping location of cylinder head 19, and cylindrical locating pin 11 and 11 matched with structural design of rhombus locating pin can effectively avoid the emergence of crossing the location phenomenon.
In this embodiment, brace table 12 is located the top both ends of fixture base 1 respectively, and two liang of settings that correspond, all sets up the airtight inspection hole 1201 that links to each other with the air supply system on the brace table 12, and in this embodiment, the air supply system can be connected with alarm device, realizes the gas tightness and detects the warning, and commercially available audible-visual annunciator can be chooseed for use to alarm device, because air supply system and alarm device are that the technicians in this field are acquainted with, and therefore do not describe herein any more. The support table 12 is provided with an air tightness detection hole 1201 connected with an air supply system, after the hydraulic cylinder 13 drives the pressing claw 14 to clamp the cylinder cover 19, automatic detection of the clamping condition of the cylinder cover 19 can be achieved, if no air leakage exists, positioning clamping is accurate and firm, if air leakage exists, effective in-place clamping is not achieved, and a worker is reminded to adjust or re-clamp the cylinder cover by alarming.
In order to realize the installation of the drill bushing 10, one end of the tool base 1 is fixedly provided with a drill bushing installation seat 9, and the drill bushing 10 is fixedly arranged on the drill bushing installation seat 9. The drill bushing 10 arranged plays a role in limiting the drill cutter when the cylinder cover 19 drills the oil passage hole, effectively reduces the influence of shaking or vibration of the drill cutter on the drilling precision in the machining process of the oil passage hole, and provides reliable guarantee for realizing the high-precision machining of the oil passage hole of the cylinder cover 19.
In the embodiment, a plurality of chip leakage holes 301 are formed in the supporting plate 3, and the tool base 1 is of a shell structure which is provided with two inclined chip guide surfaces 101 and has a trapezoidal cross section; set up some hourglass bits hole 301 on layer board 3, the iron fillings that produce during oil drilling way hole processing can fall from leaking bits hole 301, and the scrap iron face 101 that leads that tool base 1 has inclines the setting, is convenient for fall to the iron fillings landing on leading the scrap iron face 101 from leaking bits hole 301, avoids iron fillings to pile up.
As shown in fig. 9, the present embodiment also discloses a cylinder head deep hole drilling device, which includes a drilling machine 17, and further includes the cylinder head deep hole drilling tool as described above, the drilling machine 17 has two drilling devices 18 arranged side by side, the cylinder head deep hole drilling tool is provided with two sets, the two sets of cylinder head deep hole drilling tools are respectively and fixedly installed on a workbench of the drilling machine 17 through a tool base 1, and are symmetrically arranged, and drilling cutters of the drilling devices 18 are respectively arranged corresponding to drill bushings 10 of the cylinder head deep hole drilling tool. In this embodiment, one end of the drilling machine 17 has a notch for conveniently taking and placing the cylinder cover 19, and the drilling device 18 adopts an existing deep hole drilling device, which is not described herein.
According to the cylinder cover deep hole drilling tool based on the structure, a cylinder cover 19 to be drilled is placed on a slide way of a support plate 3 from one end, far away from a drill bushing 10, of the support plate 3, then the cylinder cover 19 is pushed in until one end of the cylinder cover 19 abuts against a baffle plate 8, then a lifting oil cylinder 2 works to drive the support plate 3 to descend to the bottom surface of the cylinder cover 19 to abut against a support table 12, a positioning pin 11 and the support table 12 are used for respectively positioning and supporting the cylinder cover 19, at the moment, the drill bushing 10 corresponds to the position, to be drilled, of the cylinder cover 19, finally, each hydraulic cylinder 13 drives a pressing claw 14 to press down to clamp and fix the cylinder cover 19, so that oil channel hole drilling of the cylinder cover 19 can be carried out, after the cylinder cover 19 is drilled, each hydraulic cylinder 13 drives the pressing claw 14 to lift up, the lifting oil cylinder 2 jacks up the support plate 3, and the machined cylinder cover 19 can be pulled out of the tool; the positioning fixation of the cylinder cover oil passage hole is realized through the cylinder cover deep hole drilling tool, the clamping operation is simple and convenient, the time and the labor are saved, the positioning clamping of the cylinder cover 19 is accurate and firm, the reliable guarantee is provided for the accurate drilling processing of the cylinder cover oil passage hole, and the processing quality and the use performance of the cylinder cover are greatly improved. This cylinder head bores deep hole processingequipment, the oil duct hole of cylinder head one end is processed to two sets of symmetrical frocks on one set of frocks, turns to and accomplishes the oil duct hole processing of the other end on another set of frocks again for it is more convenient, high-efficient to the oil duct hole processing of cylinder head 19.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.
Claims (10)
1. The utility model provides a deep hole frock is bored to cylinder head which characterized in that: the device comprises a tool base, wherein a supporting plate driven by a driving device is arranged above the tool base, and a slide way for conveying the cylinder cover and a guide plate for realizing sliding guide of the cylinder cover are arranged on the supporting plate;
the fixture comprises a fixture base and is characterized in that a baffle and a drill bushing are arranged at one end of the fixture base, a plurality of positioning pins used for achieving positioning of the cylinder cover, a supporting table used for achieving supporting of the cylinder cover and a clamping mechanism used for achieving fixing of the cylinder cover are arranged at the top of the fixture base, one end of the cylinder cover is abutted against the baffle, and the positioning pins are arranged corresponding to positioning holes in the cylinder cover.
2. The cylinder head deep hole drilling tool according to claim 1, characterized in that: the driving device comprises a lifting oil cylinder, the lifting oil cylinder is fixedly installed on the tooling base and is located in the middle of the tooling base, and the top end of a piston shaft of the lifting oil cylinder is fixedly connected with the supporting plate.
3. The cylinder head deep hole drilling tool according to claim 2, characterized in that: the mounting panel of parallel arrangement is fixed mounting on the layer board, rotate on the mounting panel and install a plurality of gyro wheels, it is a plurality of the gyro wheel in align to grid sets up the formation on the mounting panel the slide.
4. The cylinder head deep hole drilling tool according to claim 3, characterized in that: the deflector with slide parallel arrangement, just the deflector is equipped with threely, one of them deflector fixed mounting in a side edge position of layer board, two in addition the equal fixed mounting of deflector in the opposite side edge position of layer board, and with the side-mounting the interval of deflector is different.
5. The cylinder head deep hole drilling tool according to claim 4, characterized in that: the positioning pins comprise cylindrical positioning pins and rhombic positioning pins, and the cylindrical positioning pins and the rhombic positioning pins are respectively arranged at two ends of the tool base.
6. The cylinder head deep hole drilling tool according to claim 5, characterized in that: the supporting tables are respectively located at two ends of the top of the tool base, and airtight detection holes connected with an air supply system are formed in the supporting tables.
7. The cylinder head deep hole drilling tool according to claim 6, characterized in that: the drill bushing mounting seat is fixedly mounted at one end of the tool base, and the drill bushing is fixedly mounted on the drill bushing mounting seat.
8. The cylinder head deep hole drilling tool according to claim 7, characterized in that: the fixture respectively in four corner position departments at fixture base top set up, fixture include fixed mounting in pneumatic cylinder on the fixture base, the articulated pressure claw of installing of piston shaft tip of pneumatic cylinder, fixed mounting has the fixed block on the pneumatic cylinder, the fixed block with be equipped with the connecting rod between pressing the claw, the both ends of connecting rod respectively with press the claw the fixed block is articulated to link to each other, and with the pin joint of pressing the claw is located press the intermediate position of claw.
9. The cylinder head deep hole drilling tool according to any one of claims 1 to 8, characterized in that: the supporting plate is provided with a plurality of chip leakage holes, and the tool base is of a shell structure with two inclined chip guide surfaces and a trapezoidal cross section.
10. The utility model provides a cylinder head bores deep hole processingequipment, includes the drilling machine, its characterized in that: the cylinder cover deep hole drilling tool further comprises the cylinder cover deep hole drilling tool according to claim 1, the drilling machine is provided with two sets of drilling devices arranged side by side, the two sets of cylinder cover deep hole drilling tools are fixedly arranged on a workbench of the drilling machine through the tool base and are symmetrically arranged, and drilling knives of the drilling devices are arranged corresponding to the drilling sleeves of the cylinder cover deep hole drilling tools respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022589711.0U CN214161470U (en) | 2020-11-10 | 2020-11-10 | Cylinder head deep hole drilling tool and deep hole drilling processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022589711.0U CN214161470U (en) | 2020-11-10 | 2020-11-10 | Cylinder head deep hole drilling tool and deep hole drilling processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214161470U true CN214161470U (en) | 2021-09-10 |
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ID=77600279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022589711.0U Active CN214161470U (en) | 2020-11-10 | 2020-11-10 | Cylinder head deep hole drilling tool and deep hole drilling processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214161470U (en) |
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2020
- 2020-11-10 CN CN202022589711.0U patent/CN214161470U/en active Active
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