CN211638592U - Device for processing holes in batches by electric sparks - Google Patents
Device for processing holes in batches by electric sparks Download PDFInfo
- Publication number
- CN211638592U CN211638592U CN201922199604.4U CN201922199604U CN211638592U CN 211638592 U CN211638592 U CN 211638592U CN 201922199604 U CN201922199604 U CN 201922199604U CN 211638592 U CN211638592 U CN 211638592U
- Authority
- CN
- China
- Prior art keywords
- positioning
- plate
- base
- lifting
- support bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a device for processing holes in batches by electric sparks, which comprises an electric spark machine tool, a base, a lifting positioning plate, a vice, a positioning support bolt, a positioning mandrel, a lateral pressing plate, a mounting plate and a nut; the base is connected with the mounting plate, the mounting plate is installed on a workbench of an electric spark machining machine tool, the lifting positioning plate is connected with the base through positioning support bolts and nuts, the lifting positioning plate can ascend or descend relative to the base by adjusting the positioning support bolts or the nuts, vertical plates are arranged on two sides of the base, one or more positioning mandrels are arranged on the vertical plates, the lateral pressing plates are parallel to the vertical plates, the lateral pressing plates are connected with vices, the vices are arranged on the base, and the adjusting vices can enable the lateral pressing plates to move in a direction parallel to the axes of the positioning mandrels. The utility model has the advantages of simple and reasonable structure, can realize electric spark batch machining hole, and the spot facing work size uniformity and stability are good, compare in traditional tong bed drilling processing the utility model discloses a machining efficiency and quality all have the improvement.
Description
Technical Field
The utility model relates to a machining technology field specifically relates to a device in electric spark batch processing hole.
Background
The aerospace propulsion system and the ground equipment and the test equipment thereof are provided with inner hole positioning parts such as outer nuts, and the outer hexagonal is provided with small hole structures such as locking holes, and the locking of threads is realized after lead sealing. The locking hole structure of the inner hole positioning part is widely applied to aerospace product design and has large production demand. The electric spark punching machine is generally adopted for processing, and pure water is adopted as a cooling and chip removal medium. The burr volume is far less than traditional bench drilling after the processing, only needs to get rid of with the chamfer gently of drill bit.
The existing machining method is a traditional clamping mode of 'bench vice + backer', one part is clamped at a time, the position of each clamping of the part is fixed according to the positioning of the backer, an electrode wire is fixed at a designated coordinate point, electric discharge machining is started downwards, after the locking hole at one side is machined, the part is turned over and clamped, and the locking hole at the other side is machined. An operator stands by the machine tool and repeatedly clamps, processes, turns over, clamps, processes and detaches without stop. Therefore, the existing processing method has high dependence on repeated clamping of operators, is low in efficiency, cannot meet batch processing, and seriously influences the production progress.
Patent document No. CN105537878A discloses a method for drilling an inner ring of a bearing of a tension roller, which includes: A. clamping and adjusting a positioning tool, fixing the bearing inner ring drilling positioning tool on a vice jaw of a machining center, setting parameters, and setting a position of a positioning tool clamping hole center which is deviated by a drilling eccentric distance along an X axis as an original point; B. rough machining, namely, installing a positioning tool for the bearing inner ring, wherein the machining position of the eccentric hole is just positioned at the original point after the machine tool is arranged after the eccentric hole is installed, then drilling the hole through a drill bit, and reserving the allowance of 0.05 mm; C. and (4) finish machining, namely, after rough machining is finished, converting a machine tool cutter into a milling cutter to mill the allowance of 0.05mm reserved in the eccentric hole until the allowance reaches the standard aperture. The method clamps one part at a time, when a plurality of parts need to be processed, the parts need to be repeatedly clamped for a plurality of times, the processing efficiency is low, and the requirement of batch processing cannot be met.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a device in electric spark batch machining hole.
According to the utility model provides a device for processing holes in batches by electric sparks, which comprises an electric spark machine tool, a base, a lifting positioning plate, a vice, a positioning support bolt, a positioning mandrel, a lateral pressing plate, a mounting plate and a nut;
the base is connected with the mounting plate, the mounting plate is installed on a workbench of an electric spark machining machine tool, the lifting positioning plate is connected with the base through positioning support bolts and nuts, the lifting positioning plate can ascend or descend relative to the base by adjusting the positioning support bolts or the nuts, vertical plates are arranged on two sides of the base, one or more positioning mandrels are arranged on the vertical plates, the lateral pressing plates are parallel to the vertical plates, the lateral pressing plates are connected with vices, the vices are arranged on the base, and the adjusting vices can enable the lateral pressing plates to move in a direction parallel to the axes of the positioning mandrels.
Preferably, a hollow part is arranged between the lateral pressing plate and the vertical plate on the base, and a clamping block is arranged at a position, corresponding to the hollow part of the base, on the lifting positioning plate;
the workpiece to be processed is sleeved on the positioning mandrel, two end faces are clamped and fixed with the vertical plate through the lateral pressing plate, and the side face is positioned and fixed through the clamping block of the lifting positioning plate.
Preferably, the positioning device further comprises a positioning bushing which is sleeved between the positioning mandrel and the workpiece to be machined, and the positioning bushing is adapted to the workpiece to be machined with different inner diameters by replacing the positioning bushings with different outer diameters or changing the number of the sleeved positioning bushings.
Preferably, the side surface of the base and the vertical plate are both provided with one or more inclined flow passage holes with a high inside and a low outside, and the bottom surface of the base is provided with one or more flow passage holes with a large top and a small bottom.
Preferably, one or more runner holes with a large upper part and a small lower part are arranged on the lifting positioning plate.
Preferably, a countersunk hole is formed in the lifting positioning plate, the countersunk hole is in clearance fit with the tail of the positioning support bolt, and chamfers are arranged on the orifice of the countersunk hole and the end face of the tail of the positioning support bolt.
Preferably, the tail part and the head end surface of the positioning support bolt are processed at one time, and the verticality is guaranteed to be 0.02 mm; after the processing of the countersunk holes of the lifting positioning plate, the perpendicularity between the countersunk holes and the adjacent end surfaces is 0.02 mm.
Preferably, the side of the mounting plate is provided with a linear groove, and the perpendicularity of the linear groove and the bottom plane of the mounting plate is 0.01 mm.
According to the utility model provides a device for processing holes in batches by electric sparks, which comprises an electric spark machine tool, a base, a lifting positioning plate, a vice, a positioning support bolt, a positioning mandrel, a lateral pressing plate, a mounting plate and a nut;
the base is connected with a mounting plate, the mounting plate is mounted on a workbench of an electric spark machine tool, the lifting positioning plate is connected with the base through positioning support bolts and nuts, the lifting positioning plate can ascend or descend relative to the base by adjusting the positioning support bolts or the nuts, vertical plates are arranged on two sides of the base, one or more positioning mandrels are arranged on the vertical plates, the lateral pressing plate is parallel to the vertical plates, the lateral pressing plate is connected with a vice, the vice is arranged on the base, and the lateral pressing plate can move in the direction parallel to the axis of the positioning mandrels by adjusting the vice;
a hollow part is arranged between the lateral pressing plate and the vertical plate on the base, and a clamping block is arranged at the position, corresponding to the hollow part of the base, on the lifting positioning plate;
a workpiece to be processed is sleeved on the positioning mandrel, two end faces are clamped and fixed with the vertical plate through the lateral pressing plate, and the side face is positioned and fixed through the clamping block of the lifting positioning plate;
the positioning device also comprises a positioning bushing, wherein the positioning bushing is sleeved between the positioning mandrel and the workpiece to be machined, and is adapted to the workpieces to be machined with different inner diameters by replacing positioning bushings with different outer diameters or changing the number of sleeved positioning bushings;
the side surface of the base and the vertical plate are both provided with one or more inclined flow passage holes with high inside and low outside, and the bottom surface of the base is provided with one or more flow passage holes with big top and small bottom;
one or more runner holes with large upper parts and small lower parts are arranged on the lifting positioning plate;
a countersunk hole is formed in the lifting positioning plate, the countersunk hole is in clearance fit with the tail part of the positioning support bolt, and chamfers are arranged on the orifice of the countersunk hole and the end surface of the tail part of the positioning support bolt;
the tail end and the head end face of the positioning support bolt are processed at one time, and the verticality is guaranteed to be 0.02 mm; after the processing of the counter bores of the lifting positioning plates is finished, the perpendicularity between the counter bores and the adjacent end surfaces is 0.02 mm;
the side of mounting panel is provided with the straight line groove, the straightness that hangs down of straight line groove and mounting panel bottom plane is 0.01 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model has the advantages of simple and reasonable structure, can realize electric spark batch machining hole, and the spot facing work size uniformity and stability are good, compare in traditional tong bed drilling processing the utility model discloses a machining efficiency and quality all have the improvement.
2. The utility model discloses a positioning bush has realized that different apertures wait to process the general type in work piece spark-erosion machining hole, is particularly useful for the processing of hole location part locking hole structure.
3. The utility model discloses a straightness and the depth of parallelism between the controlling means spare part for install on the workstation of electric spark machine tool the back with the depth of parallelism and the straightness height that hangs down of electric spark machine tool X axle, Y axle, thereby guarantee the position accuracy in electric spark machining hole.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic view of the top view structure of the base of the present invention.
Fig. 4 is a schematic sectional view of the base of the present invention along the line a-a in fig. 3.
Fig. 5 is a schematic view of the top view structure of the lifting positioning plate of the present invention.
Fig. 6 is the main view structure diagram of the lifting positioning plate of the present invention.
The figures show that:
base 1 positioning core shaft 5
Lateral pressing plate 6 of lifting positioning plate 2
Positioning support bolt 4 and nut 8
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The utility model relates to a device of electric spark batch processing hole realizes the electric spark continuous processing of hole location part locking pore structure, with piece process time integration, solves "simple structure, and production is low efficient, influences the awkward situation of scientific research plan", and when raising the efficiency, the liberation labour. The obtained product has good size consistency and stability; the processing efficiency is greatly improved; the requirement on the skill of personnel is low, and the operation is convenient. The utility model is simple in operation, can solve the problem that exists among the prior art to there is not this type of processing method in the market at present.
According to the utility model provides a device for electric spark batch processing holes, which comprises an electric spark machine tool, as shown in figures 1-3, a base 1, a lifting positioning plate 2, a vice 3, a positioning support bolt 4, a positioning mandrel 5, a lateral pressing plate 6, a mounting plate 7 and a nut 8; the base 1 is connected with the mounting plate 7, the mounting plate 7 is installed on the workbench of an electric spark machine tool, the lifting positioning plate 2 is connected with the base 1 through the positioning support bolts 4 and the nuts 8, the lifting positioning plate 2 can ascend or descend relative to the base 1 by adjusting the positioning support bolts 4 or the nuts 8, the two sides of the base 1 are provided with vertical plates, one or more positioning mandrels 5 are arranged on the vertical plates, the lateral pressing plate 6 is parallel to the vertical plates, the lateral pressing plate 6 is connected with the vice 3, the vice 3 is arranged on the base 1, and the adjusting vice 3 can enable the lateral pressing plate 6 to move in the direction parallel to the axis of the positioning mandrels. A hollow part is arranged between the lateral pressing plate 6 and the vertical plate on the base 1, and a clamping block is arranged at the position, corresponding to the hollow part of the base 1, on the lifting positioning plate 2; the workpiece to be processed is sleeved on the positioning mandrel 5, two end faces are clamped and fixed with the vertical plate through the lateral pressing plate 6, and the side face is positioned and fixed through the clamping block of the lifting positioning plate 2. Preferably, the vise 3 is a fine vise, and the nut 8 is an outer hexagonal nut.
The electric spark machining fixture is characterized by further comprising a positioning bushing, wherein the positioning bushing is sleeved between the positioning core shaft 5 and a workpiece to be machined, the positioning bushing with different outer diameters is replaced or the number of the sleeved positioning bushings is changed so as to adapt to the workpiece to be machined with different inner diameters, and the universal type of electric spark machining of products with different bore diameters is realized. After the position accuracy of the electric spark machining hole is ensured, the number and the length of the positioning mandrels 5 are reasonably arranged according to the moving distance of the working table surface and the loss amount of the electrode wire, and the beneficial effects of batch machining and good size consistency are realized.
The side surface of the base 1 and the vertical plate are both provided with one or more inclined flow passage holes with high inside and low outside, and the bottom surface of the base 1 is provided with one or more flow passage holes with big top and small bottom. One or more runner holes with large top and small bottom are arranged on the lifting positioning plate 2. In the electric spark machining process, carbon black and the like generated in the machining process are removed through flowing of a liquid medium, and the flow passage holes are formed in the base 1 and the lifting positioning plate 2, so that drainage of impurities such as the carbon black and the like in the liquid medium is facilitated.
The lifting positioning plate 2 is provided with a counter bore, the counter bore is in clearance fit with the tail part of the positioning support bolt 4, preferably, the clearance is 0.02mm, and chamfers are arranged on the orifice of the counter bore and the tail end face of the positioning support bolt 4 to play a role in guiding.
The tail end and the head end face of the positioning support bolt 4 are machined at one time, the verticality is guaranteed to be 0.02mm, and the head of the positioning support bolt 4 is provided with an outer hexagonal structure (flat, straight groove and the like) for screwing threads; after the processing of the countersunk holes of the lifting positioning plate 2 is finished, the perpendicularity between the countersunk holes and the adjacent end surfaces is 0.02 mm. The side of mounting panel 7 is provided with the straight line groove, the straightness that hangs down of straight line groove and mounting panel 7 baseplanes is 0.01mm, the straight line groove is used for when installing on the workstation, proofreads and adjusts the depth of parallelism and the straightness that hangs down of device position and lathe X axle, Y axle of electric spark batch processing hole, finally guarantees the position accuracy of electric spark processing hole.
Utilize the utility model discloses carry out the method that electric spark was processed the hole in batches, include following step:
step 1: connecting the base 1 with the mounting plate 7, and connecting the mounting plate 7 with a workbench of an electric spark machine tool; the side surface of the mounting plate 7 is calibrated and adjusted to ensure the parallelism and the perpendicularity of the position of the base 1 and the X axis and the Y axis of the electric spark machine tool so as to finally ensure the position size of an electric spark machining hole;
step 2: connecting a plurality of positioning mandrels 5 with an upper vertical plate of a base 1, sleeving positioning bushes on the positioning mandrels 5, respectively sleeving a plurality of workpieces to be processed on different positioning bushes to realize the axial position positioning of the workpieces to be processed, and sleeving the positioning bushes with different outer diameters on the positioning mandrels 5 to ensure that the workpieces to be processed with different inner diameters are in matched connection with the positioning mandrels 5; preferably, the workpiece to be processed is in clearance fit with the positioning mandrel 5 and the positioning bush;
and step 3: the lifting positioning plate 2 is connected with the base 1 through a positioning support bolt 4 and a nut 8, and the lifting positioning plate 2 is driven to ascend by screwing the positioning support bolt 4 or the nut 8 so as to radially clamp and position a workpiece to be processed;
and 4, step 4: the lateral pressing plate 6 is placed between the workpiece to be machined and the vice 3, the vice 3 is screwed to enable the lateral pressing plate 6 to press the end face of the workpiece to be machined, and the axial clamping and positioning of the workpiece to be machined are realized through the vertical plate on the base 1 and the lateral pressing plate 6;
and 5: and programming the electric spark machining machine tool, and performing electric spark machining by adopting an array point coordinate mode through the electrode wire to finish the hole machining operation of electric sparks in batches.
The preferred embodiment:
a device for processing holes in batches by electric sparks comprises an electric spark machine tool, a base 1, a lifting positioning plate 2, a smart vice 3, a positioning support bolt 4, a positioning mandrel 5, a lateral pressing plate 6 and a mounting plate 7, wherein the base 1 is connected with the mounting plate 7 through a bolt, a spring washer and a gasket, and the mounting plate 7 is connected with a workbench of the electric spark machine tool through the pressing plate; the lifting positioning plate 2 is connected with the base 1 through a positioning support bolt 4, and the lifting positioning plate 2 is driven to ascend by screwing the positioning support bolt 4, so that the radial clamping and positioning of the electric spark machining hole are realized; the positioning mandrel 5 is connected with the base 1 through a bolt, a spring washer and a gasket, and an inner hole of a workpiece is in clearance fit with the positioning mandrel 5; the lateral pressing plate 6 is placed between the workpiece and the vices 3, the lateral pressing plate 6 is tightly pressed on the end face of the workpiece by screwing the vices 3 on the two sides, and the axial clamping and positioning of the electric spark machining hole are realized. The device for processing the holes in batches by the electric sparks selects 45 steel as a material of a structural part, carries out heat treatment to enable the hardness of the structural part to reach 35-40HRC, and carries out bluing rust-proof treatment. The universal type of the electric spark machining holes of workpieces with different hole diameters is realized by sleeving the bushings with different outer diameters on the outer circle of the positioning mandrel 5. After the position accuracy of the electric spark machining hole is ensured, the number and the length of the positioning mandrels 5 in the tool are reasonably arranged according to the moving distance of the working table surface and the loss of the electrode wire, batch machining is realized, the burr amount after machining is far less than that of drilling holes of a traditional bench, and the product size consistency and the stability are good; the processing efficiency is greatly improved; the beneficial effect of low requirement on the skill of the personnel is achieved.
The utility model can realize batch processing, the burr amount after processing is far less than that of the drilling of the traditional clamp bed, and the product size consistency and the stability are good; the processing efficiency is greatly improved; the requirement on the skill of the operator is low.
The device for processing the holes in batches by the electric sparks is used as a special tool, and after the locking hole structure is processed, the hole diameter and the hole distance are checked by professional inspectors; and the contrast plate visually inspects the roughness and completely meets the requirements of design drawings.
The utility model discloses guaranteed the uniformity and the stability of batch nature locking pore structure size, can promote to other processing that have hole location part locking pore structure.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. The device for processing the holes in batches by electric sparks comprises an electric spark machine tool and is characterized by further comprising a base (1), a lifting positioning plate (2), a vice (3), a positioning support bolt (4), a positioning mandrel (5), a lateral pressing plate (6), a mounting plate (7) and a nut (8);
base (1) connection mounting panel (7), mounting panel (7) are installed on spark erosion machine's workstation, base (1) is connected through location support bolt (4) and nut (8) to lift locating plate (2), adjust location support bolt (4) or nut (8) and can make lift locating plate (2) rise or descend for base (1), base (1) both sides are provided with the riser, be provided with one or more positioning mandrel (5) on the riser, side direction clamp plate (6) are on a parallel with the riser, vice (3) are connected in side direction clamp plate (6), vice (3) set up on base (1), it can make side direction clamp plate (6) move in a parallel with positioning mandrel (5) axis direction to adjust vice (3).
2. The device for electric spark batch hole machining according to claim 1, wherein a hollow part is arranged between the lateral pressure plate (6) and the vertical plate on the base (1), and a clamping block is arranged on the lifting positioning plate (2) at a position corresponding to the hollow part of the base (1);
the workpiece to be processed is sleeved on the positioning mandrel (5), two end faces are clamped and fixed with the vertical plate through the lateral pressing plate (6), and the side faces are positioned and fixed through the clamping blocks of the lifting positioning plate (2).
3. The device for Electric Discharge Machining (EDM) of batch holes according to claim 1, further comprising a positioning bush, wherein the positioning bush is sleeved between the positioning mandrel (5) and the workpiece to be machined, and the positioning bush is adapted to the workpiece to be machined with different inner diameters by replacing the positioning bush with different outer diameters or changing the number of the sleeved positioning bushes.
4. The electric spark batch hole machining device according to claim 1, wherein one or more inclined flow passage holes with a high inside and a low outside are arranged on the side surface of the base (1) and the vertical plate, and one or more flow passage holes with a large top and a small bottom are arranged on the bottom surface of the base (1).
5. An EDM batch hole machining apparatus as claimed in claim 1, characterized in that said elevating positioning plate (2) is provided with one or more runner holes with a large top and a small bottom.
6. An electric spark batch hole machining device according to claim 1, wherein a countersunk hole is formed in the lifting positioning plate (2), the countersunk hole is in clearance fit with the tail part of the positioning support bolt (4), and chamfers are arranged on the hole opening of the countersunk hole and the tail end face of the positioning support bolt (4).
7. The electric spark batch hole machining device according to the claim 1, characterized in that the tail end and the head end surface of the positioning support bolt (4) are machined in one step, and the verticality is guaranteed to be 0.02 mm; after the processing of the countersunk holes of the lifting positioning plate (2), the perpendicularity between the countersunk holes and the adjacent end surfaces is 0.02 mm.
8. An electric discharge machining batch hole machining device as claimed in claim 1, characterized in that the side surface of the mounting plate (7) is provided with a linear groove, and the perpendicularity of the linear groove and the bottom plane of the mounting plate (7) is 0.01 mm.
9. The device for processing the holes in batches by electric sparks comprises an electric spark machine tool and is characterized by further comprising a base (1), a lifting positioning plate (2), a vice (3), a positioning support bolt (4), a positioning mandrel (5), a lateral pressing plate (6), a mounting plate (7) and a nut (8);
the base (1) is connected with a mounting plate (7), the mounting plate (7) is mounted on a workbench of an electric spark machine tool, a lifting positioning plate (2) is connected with the base (1) through a positioning support bolt (4) and a nut (8), the lifting positioning plate (2) can ascend or descend relative to the base (1) by adjusting the positioning support bolt (4) or the nut (8), vertical plates are arranged on two sides of the base (1), one or more positioning mandrels (5) are arranged on the vertical plates, a lateral pressing plate (6) is parallel to the vertical plates, the lateral pressing plate (6) is connected with a vice (3), the vice (3) is arranged on the base (1), and the lateral pressing plate (6) can move in the direction parallel to the axis of the positioning mandrels (5) by adjusting the vice (3);
a hollow part is arranged between the lateral pressing plate (6) on the base (1) and the vertical plate, and a clamping block is arranged on the lifting positioning plate (2) at a position corresponding to the hollow part of the base (1);
a workpiece to be processed is sleeved on the positioning mandrel (5), two end faces are clamped and fixed with the vertical plate through the lateral pressing plate (6), and the side face is positioned and fixed through the clamping block of the lifting positioning plate (2);
the positioning device also comprises a positioning bush, wherein the positioning bush is sleeved between the positioning mandrel (5) and the workpiece to be processed, and the positioning bush with different outer diameters is replaced or the number of the sleeved positioning bushes is changed so as to adapt to the workpiece to be processed with different inner diameters;
one or more inclined flow channel holes with high inside and low outside are arranged on the side surface of the base (1) and the vertical plate, and one or more flow channel holes with large top and small bottom are arranged on the bottom surface of the base (1);
one or more runner holes with large upper parts and small lower parts are arranged on the lifting positioning plate (2);
a countersunk hole is formed in the lifting positioning plate (2), the countersunk hole is in clearance fit with the tail part of the positioning support bolt (4), and chamfers are arranged on the orifice of the countersunk hole and the end surface of the tail part of the positioning support bolt (4);
the tail part and the head end surface of the positioning support bolt (4) are processed at one time, and the verticality is ensured to be 0.02 mm; after the countersunk hole of the lifting positioning plate (2) is machined, the perpendicularity between the countersunk hole and the adjacent end surface is 0.02 mm;
the side of the mounting plate (7) is provided with a linear groove, and the perpendicularity of the linear groove and the bottom plane of the mounting plate (7) is 0.01 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199604.4U CN211638592U (en) | 2019-12-10 | 2019-12-10 | Device for processing holes in batches by electric sparks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199604.4U CN211638592U (en) | 2019-12-10 | 2019-12-10 | Device for processing holes in batches by electric sparks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211638592U true CN211638592U (en) | 2020-10-09 |
Family
ID=72695314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922199604.4U Active CN211638592U (en) | 2019-12-10 | 2019-12-10 | Device for processing holes in batches by electric sparks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211638592U (en) |
-
2019
- 2019-12-10 CN CN201922199604.4U patent/CN211638592U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108480923B (en) | Method for precisely machining large thin-wall revolving body part | |
| CN108907736B (en) | Connecting rod processing system | |
| CN105904242A (en) | Device and method for machining inclined hole in cylindrical surface of piston | |
| CN113770774B (en) | Clamp holder for numerical control CNC (computerized numerical control) machining | |
| CN107891273B (en) | Multi-station machining forming hole intelligent equipment | |
| CN110935970A (en) | Device and method for machining holes in batch by electric sparks | |
| CN211638592U (en) | Device for processing holes in batches by electric sparks | |
| CN203696170U (en) | Built-up jig for machining main body and sleeve of lathe wrench | |
| CN115555588A (en) | Equipment and method for precisely slotting on annular product | |
| CN214186265U (en) | Tight bush fluting processing frock clamp | |
| CN211939998U (en) | A four-axis anchor clamps for cylinder cap | |
| CN210703729U (en) | Drilling machine with clamping device | |
| CN210615803U (en) | Piston rod cylindrical surface inclined hole machining clamp | |
| CN210878670U (en) | Universal fixture for milling inner side surface, outer side surface and two end surfaces of cylindrical workpiece | |
| CN103639749A (en) | Two-hole concentric perpendicular pressing-plate clamping device | |
| CN109877701B (en) | Tool for grinding laminated packaging circuit module | |
| CN211588634U (en) | Tool of drill jig for drilling circumferential surface of water pump motor end cover | |
| CN109551273B (en) | Indexable clamp for removing allowance of inner back arc of rough machining blade | |
| CN210255288U (en) | Clamp for semi-finish milling of cylinder cover | |
| CN203437963U (en) | Main machine barrel inner bore boring tool | |
| CN218891219U (en) | Frock clamp that processing of standing hoe part boring was used | |
| CN215035248U (en) | Vertical and horizontal combined machining center | |
| CN215615227U (en) | Air conditioner accessory drilling equipment | |
| CN217097253U (en) | Piston pin hole processing device | |
| CN219380353U (en) | Aluminum alloy plate chamfering machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |