CN112474994B - Cone cylinder machining device capable of achieving quick and accurate positioning - Google Patents
Cone cylinder machining device capable of achieving quick and accurate positioning Download PDFInfo
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- CN112474994B CN112474994B CN202011197234.1A CN202011197234A CN112474994B CN 112474994 B CN112474994 B CN 112474994B CN 202011197234 A CN202011197234 A CN 202011197234A CN 112474994 B CN112474994 B CN 112474994B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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Abstract
The invention discloses a quick and accurate positioning conical cylinder machining device which comprises an upper die, a support frame, a support core body, an index plate, a top block and an operating rod, wherein the upper die is fixed on the support frame; the supporting core body, the inner and the outer end of supporting core body are fixed on the support frame, just the supporting core body has the central axis, the central axis is in horizontal position. The device can realize the quick positioning and high-efficiency punching process of conical surface punching, has high positioning precision of circumference indexing and strong expansibility, and can also be applied to the surface punching process of other conical workpieces.
Description
Technical Field
The invention relates to the technical field of tool machining, particularly provides a conical surface machining device capable of quickly and accurately positioning, and is particularly suitable for punching and machining the surface of a conical workpiece uniformly on the circumference.
Background
The original conical surface punching circumferential direction is not uniformly distributed, the cutting tongue angle is not consistent, the precision error is larger, the requirement on the skill level of staff in the whole operation process is higher, the influence on the shape change and the workpiece processing quality by human factors is larger, the quality and the consistency are difficult to ensure, and the rejection rate of workpiece punching is higher. The punching process needs an operator to frequently move the workpiece, the potential safety hazard of the operation process is large, the cushion block needs to be detached when the workpiece is taken, the whole operation process is complex, the operation is inconvenient, and the efficiency is low.
Disclosure of Invention
The purpose of the invention is as follows: the conical surface punching device capable of achieving quick and accurate positioning can achieve quick and accurate positioning in a conical surface punching process, can guarantee consistency of product cutting tongue angles, is easy and convenient to operate, eliminates potential safety hazards and influences of human interference factors on the punching process, enables workpieces to be easily mounted and dismounted, is high in machining efficiency, can be suitable for punching of different taper workpieces, and is high in expandability.
The technical scheme is as follows: the provided conical cylinder processing device capable of realizing rapid and accurate positioning comprises an upper die 1, a support frame 2, a support core body 5, an index plate 3, a top block 4 and an operating rod 6;
the inner end and the outer end of the supporting core body 5 are fixed on the supporting frame 2, the supporting core body 5 is provided with a central axis, and the central axis is in a horizontal position;
an inner end support part 51, an index plate support part 52, a machining part 53, a cone support part 54 and an outer end support part 55 are formed in this order from the inner end to the outer end of the support core 5 in the horizontal direction; a semi-cone is formed on the upper half part of the cone supporting part relative to the central axis, the cone supporting part 54 is used for supporting a cone, and the cone is sleeved on the cone supporting part 54 and is attached to the conical surface of the semi-cone;
the outer contour of the processing part 53 does not exceed the outer diameter of the large end of the semi-cone in the radial direction, a processing boss is vertically formed at the top of the processing part 53 in the radial direction, the upper end face of the processing boss is coplanar with the conical surface of the semi-cone, and a vertical through hole 56 is formed downwards from the upper end face of the processing boss;
the indexing disc 3 is coaxially arranged with the support core body 5, the indexing disc 3 is sleeved on the outer ring of the indexing disc support part 52, the support frame is convexly provided with a locking block 21, the periphery of the indexing disc 3 is provided with N locking grooves 31 which are uniformly distributed, and the locking block 21 is matched with the locking grooves 31 in shape so that the indexing disc 3 is circumferentially limited;
the volumes of the lower half parts of the indexing disc support part 54, the processing part 53 and the cone cylinder support part are smaller than the volume of the upper half part, the profiles are in an inner shrinkage shape, and an allowance space is formed on the circumference, so that the cone cylinder does not interfere with the lower part of the support core body 5, and the indexing disc 3 can move upwards in a translation mode relative to the central axis;
the supporting core body 5 is provided with a horizontal through hole 57 which is axially penetrated, the operating rod 6 is inserted into the through hole, and the vertical through hole 56 is communicated with the horizontal through hole 57; a top block 4 is arranged in the vertical through hole 56 in a sliding mode, the lower end of the top block 4 is matched with the profile of the operating rod 6, and the operating rod 6 can push the top block 4 to slide upwards;
the upper end surface of the processing boss is a lower die, and the lower die is matched with the upper die;
the dividing plate 3 and the big end of the cone cylinder are coaxially sleeved and fixed, each dividing point of the dividing plate 3 is correspondingly provided with the locking groove 31, and each dividing position can be positioned through the locking groove 31 and the locking block 21.
Further, the upper die 1 assembly comprises a die plate 11, a male die 12, an elastic element 13 and a stripping sleeve 14; the elastic member 13 is disposed between the die plate 11 and the stripper sleeve 14 for providing a downward elastic pushing force to the stripper sleeve 14, the stripper sleeve 14 has a vertically longer elongation than the punch 12 when the elastic member 13 is released, and the stripper sleeve 14 has a vertically shorter elongation than the punch 12 when the elastic member 13 is compressed. The device is used for separating the processed part from the punch 12 after processing, and preventing the processed part from being stuck with the punch 12. Thus, the function of the top block 4 is similar, and the function of the top block 4 is to prevent the processed workpiece from being locked with the processing boss or the lower die. The upper die assembly further comprises a guide post 15, the guide post 15 is fixedly connected with the die plate 11 and penetrates through the elastic element 13 and the demolding sleeve 14 to play a role in sliding guide;
furthermore, the lower end of the top block 4 is an inclined plane or an inclined arc surface, an inclined surface is formed on the operating rod 6, the inclined surface and the operating rod form a profile fit, and the operating rod 6 can push the top block 4 to slide upwards.
Further, the lower end of the top block 4 is a horizontal plane, a slope is formed at the inner end of the horizontal through hole 57, and a slope is also formed at the rear end of the operating rod 6, so that the operating rod 6 can move up and down in the horizontal through hole 57 and pushes the top block 4 to slide upwards.
Furthermore, the dividing plates 3 are assemblies, and include a group of dividing plates 3, the diameter of each dividing plate 3 is the same, and the number of dividing points between the dividing plates 3 is different. The conical cylinder can be annularly processed with different uniform distribution quantities by replacing the dividing disc 3.
Further, the elastic element 13 is soft rubber or a spring.
Further, the male die 12 of the upper die assembly is a stamping tool bit.
Furthermore, a lock hole 31 is formed in the dividing plate 3, a mounting edge is reserved on the conical cylinder, and the conical cylinder mounting edge and the dividing plate 3 can be fixed into a whole through a lock pin. The reserved mounting edge can be cut off after processing, so that the assembly of the dividing plate 3 and the conical cylinder is facilitated.
Further, a movable supporting table is arranged on the supporting frame 2, and the supporting table is used for supporting the outer end supporting portion 55, is separated from the outer end supporting portion 55 when moving to a first position, and provides support for the outer end supporting portion 55 when moving to a second position. When the support table is separated from the outer end support portion 55, the cone support 54 can be fitted with the cone.
Advantageous effects
The conical surface punching device capable of realizing quick and accurate positioning can realize quick and accurate positioning in the conical surface punching process, can ensure the consistency of the cutting tongue angle of a product (the uniform distribution in the circumferential direction), is simple and convenient to operate, eliminates the influence of potential safety hazards and human interference factors on the punching process, is easy to install and disassemble workpieces, is high in machining efficiency, can be suitable for punching of workpieces with different tapers, and is high in expandability.
Drawings
FIG. 1a is a side view of a cone blanking apparatus of the present invention;
FIG. 1b is a top view of the cone blanking apparatus of the present invention;
FIG. 2 is a three-dimensional schematic view of a cone cutting apparatus according to the present invention;
FIG. 3 is a front cross-sectional view of the cone blanking apparatus of the present invention;
FIG. 4 is a schematic perspective exploded view of the conical punch apparatus of the present invention;
FIG. 5 is a cross-sectional view of a three-dimensional explosive structure of the cone blanking apparatus of the present invention;
FIGS. 6a to 6d are schematic views illustrating the process of finishing the cone processing;
FIG. 7a is a schematic sectional view of the indexing disk and the cone;
FIG. 7b is a schematic structural view of the indexing plate and the cone fixed together;
FIG. 8 is a schematic structural view of an index plate;
FIGS. 9 to 13 are sectional views in the course of processing;
FIG. 14 is a side cross-sectional view during processing (showing the offset relationship of the cone and the lower portion of the mandrel);
FIG. 15 is a side cross-sectional view during processing (showing the offset relationship of the cone and the lower portion of the mandrel);
FIG. 16 is a schematic view of a punch (punch insert);
FIG. 17 is a schematic view of a top block configuration;
wherein: the device comprises a template 11, a male die 12, an elastic element 13, a stripping sleeve 14, a guide post 15, a support frame 2, a locking block 21, an indexing disc 3, a locking groove 31, a top block 4, a support core body 5, an inner end support part 51, an indexing disc support part 52, a machining part 53, a cone support part 54, an outer end support part 55, a horizontal through hole 57, a vertical through hole 56 and an operating rod 6.
Detailed Description
Embodiment 1, referring to fig. 1-5 and 8-15, provides a rapid and accurate positioning conical cylinder processing device, which includes an upper die 1, a support frame 2, a support core 5, an index plate 3, a top block 4 and an operating lever 6;
the inner end and the outer end of the supporting core body 5 are fixed on the supporting frame 2, the supporting core body 5 is provided with a central axis, and the central axis is in a horizontal position;
an inner end support part 51, an index plate support part 52, a machining part 53, a cone support part 54 and an outer end support part 55 are formed in this order from the inner end to the outer end of the support core 5 in the horizontal direction; a semi-cone is formed on the upper half part of the cone supporting part 54 corresponding to the central axis, the cone supporting part 54 is used for supporting a cone, and the cone is sleeved on the cone supporting part and is attached to the conical surface of the semi-cone;
the outer contour of the processing part 53 does not exceed the outer diameter of the large end of the semi-cone in the radial direction, a processing boss is vertically formed at the top of the processing part 53 in the radial direction, the upper end face of the processing boss is coplanar with the conical surface of the semi-cone, and a vertical through hole 56 is formed downwards from the upper end face of the processing boss;
the indexing disc 3 is coaxially arranged with the support core body 5, the indexing disc 3 is sleeved on the outer ring of the indexing disc support part 54, the support frame is convexly provided with a locking block 21, the periphery of the indexing disc 3 is provided with N locking grooves 31 which are uniformly distributed, and the locking block 21 is matched with the locking grooves 31 in shape so that the indexing disc 3 is limited in the circumferential direction;
the volumes of the lower half parts of the indexing disc support part 52, the processing part 53 and the conical cylinder support part 55 are smaller than the volume of the upper half part, the profiles are in an inner contraction shape, and an allowance space is formed on the circumference, so that the conical cylinder does not interfere with the lower part of the support core body 5, and the indexing disc 3 can move upwards in a translation mode relative to the central axis;
the supporting core body 5 is provided with a horizontal through hole 57 which is axially penetrated, the operating rod 6 is inserted into the through hole, and the vertical through hole 56 is communicated with the horizontal through hole 57; a top block 4 is arranged in the vertical through hole 56 in a sliding mode, the lower end of the top block 4 is matched with the profile of the operating rod 6, and the operating rod 6 can push the top block 4 to slide upwards;
the upper end surface of the processing boss is a lower die, and the lower die is matched with the upper die;
the dividing plate 3 and the big end of the cone cylinder are coaxially sleeved and fixed, each dividing point of the dividing plate 3 is correspondingly provided with the locking groove 31, and each dividing position can be positioned through the locking groove 31 and the locking block 21.
The lower end of the ejector block 4 is an inclined plane or an inclined arc surface, an inclined surface is formed on the operating rod 6, the inclined surface and the operating rod form a profile fit, and the operating rod 6 can push the ejector block 4 to slide upwards.
The lower end of the top block 4 is a horizontal plane, a slope is formed at the inner end of the horizontal through hole 57, and a slope is also formed at the rear end of the operating rod 6, so that the operating rod 6 can move up and down in the horizontal through hole 57 and pushes the top block 6 to slide upwards.
The index plate 3 is an assembly and comprises a group of index plates, the diameter of each index plate is the same, and the number of index points of each index plate is different. The conical cylinder can be annularly processed with different uniform distribution quantities by replacing the dividing disc 3.
The elastic element 13 is soft rubber or a spring.
The male die 12 of the upper die assembly is a stamping tool bit.
The dividing plate 3 is provided with a lock hole, the conical cylinder is provided with a mounting edge in advance, and the conical cylinder mounting edge and the dividing plate 3 are fixed into a whole through the lock pin. The reserved mounting edge can be cut off after processing, and the assembly of the dividing plate and the conical cylinder is facilitated.
Be equipped with movable brace table on the support frame 2, the brace table is used for supporting outer end supporting part 55, when the brace table moves the primary importance, with outer end supporting part 55 separation, when moving the secondary importance, right outer end supporting part 55 provides the support. When the support table is separated from the outer end support portion 55, the cone support 54 can be fitted with the cone.
the inner end and the outer end of the supporting core body 5 are fixed on the supporting frame 2, the supporting core body 5 is provided with a central axis, and the central axis is in a horizontal position;
an inner end support portion 51, an index plate support portion 52, a machining portion 53, a cone support portion 54, and an outer end support portion 55 are formed in this order from the inner end to the outer end of the support core 5 in the horizontal direction; a semi-cone is formed on the upper half part of the cone supporting part 54 corresponding to the central axis, the cone supporting part 54 is used for supporting a cone, and the cone is sleeved on the cone supporting part 54 and is attached to the conical surface of the semi-cone;
the outer contour of the processing part does not exceed the outer diameter of the large end of the semi-cone in the radial direction, a processing boss is vertically formed in the top of the processing part in the radial direction, the upper end face of the processing boss is coplanar with the conical surface of the semi-cone, and a vertical through hole 56 is formed downwards from the upper end face of the processing boss;
the indexing disc 3 is coaxially arranged with the support core body 5, the indexing disc 3 is sleeved on the outer ring of the indexing disc support part 52, the support frame is convexly provided with a locking block 21, the periphery of the indexing disc 3 is provided with N locking grooves 31 which are uniformly distributed, and the locking block 21 is matched with the locking grooves 31 in shape so that the indexing disc 3 is circumferentially limited;
the volumes of the lower half parts of the indexing disc support part 52, the processing part 53 and the cone cylinder support part 54 are smaller than the volume of the upper half part, the profiles are in an inner contraction shape, and an allowance space is formed on the circumference, so that the cone cylinder does not interfere with the lower part of the support core body 5, and the indexing disc 3 can move upwards in a translation mode relative to the central axis;
the supporting core body 5 is provided with a horizontal through hole 57 which is axially penetrated, the operating rod is inserted into the through hole, and the vertical through hole 56 is communicated with the horizontal through hole 57; the top block 4 is arranged in the vertical through hole 56 in a sliding mode, the lower end of the top block 4 is matched with the profile of the operating rod 6, and the operating rod 6 can push the top block 4 to slide upwards;
the upper end surface of the processing boss is a lower die, and the lower die is matched with the upper die;
the dividing plate 3 and the big end of the cone cylinder are coaxially sleeved and fixed, each dividing point of the dividing plate 3 is correspondingly provided with the locking groove 31, and each dividing position can be positioned through the locking groove 31 and the locking block 21.
The upper die 1 assembly comprises a die plate 11, a male die 12, an elastic element 13 and a stripping sleeve 14; the elastic member 13 is disposed between the die plate 11 and the stripper sleeve 14 for providing a downward elastic pushing force to the stripper sleeve 14, the stripper sleeve 14 has a vertically longer elongation than the punch 12 when the elastic member 13 is released, and the stripper sleeve 14 has a vertically shorter elongation than the punch 12 when the elastic member 13 is compressed. The device is used for separating the processed part from the punch 12 after processing, and preventing the processed part from being stuck with the punch 12. Thus, the function of the top block 4 is similar, and the function of the top block 4 is to prevent the processed workpiece from being locked with the processing boss or the lower die. The upper die assembly further comprises a guide post 15, the guide post 15 is fixedly connected with the die plate 11 and penetrates through the elastic element 13 and the demoulding sleeve 14 to play a role in sliding guide;
the lower end of the ejector block 4 is an inclined plane or an inclined arc surface, an inclined surface is formed on the operating rod 6, the inclined surface and the operating rod form a profile fit, and the operating rod 6 can push the ejector block 4 to slide upwards.
The kicking block 4 lower extreme is the horizontal plane, horizontal through-hole 57 inner forms the slope, the control rod 6 rear end forms the slope equally, makes the control rod 6 is in can upper and lower displacement in the horizontal through-hole 57, and promote kicking block 4 upwards slides.
The indexing disc 3 is a component and comprises a group of indexing discs, the diameter of each indexing disc 3 is the same, and the number of indexing points of each indexing disc 3 is different. Different uniform quantity processing can be carried out to the conical cylinder ring direction through changing graduated disk 3.
The elastic element 13 is soft rubber or a spring.
The male die 12 of the upper die assembly is a stamping tool bit.
Open on the graduated disk 3 has lockhole 31, the last installation limit that has reserved of awl section of thick bamboo can with awl section of thick bamboo installation limit with graduated disk 3 is fixed as an organic whole through the lockpin. The reserved mounting edge can be cut off after processing, and the assembly of the dividing disc and the cone cylinder is facilitated.
Be equipped with movable brace table on the support frame 2, the brace table is used for supporting outer end supporting part 55, when the brace table moves the primary importance, with outer end supporting part 55 separation, when moving the secondary importance, right outer end supporting part 55 provides the support. When the support table is separated from the outer end support portion, a cone can be fitted to the cone support portion (54).
Claims (9)
1. A quick and accurate positioning conical cylinder processing device comprises an upper die (1), a support frame (2), a support core body (5), an index plate (3), a top block (4) and an operating rod (6);
the inner end and the outer end of the supporting core body (5) are fixed on the supporting frame (2), the supporting core body (5) is provided with a central axis, and the central axis is in a horizontal position;
an inner end supporting part (51), an index plate supporting part (52), a processing part (53), a cone supporting part (54) and an outer end supporting part (55) are sequentially formed from the inner end to the outer end of the supporting core body (5) in the horizontal direction; a semi-cone is formed on the upper half part of the cone supporting part (54) relative to the central axis, the cone supporting part (54) is used for supporting a cone, and the cone is sleeved on the cone supporting part (54) and is attached to the conical surface of the semi-cone;
the outer contour of the processing part (53) does not exceed the outer diameter of the large end of the semi-cone in the radial direction, a processing boss is vertically formed on the top of the processing part (53) in the radial direction, the upper end face of the processing boss is coplanar with the conical surface of the semi-cone, and a vertical through hole (56) is formed downwards from the upper end face of the processing boss;
the indexing disc (3) and the support core body (5) are coaxially arranged, the indexing disc (3) is sleeved on the outer ring of the indexing disc support part (52), a locking block (21) is arranged on the support frame (2) in a protruding mode, N locking grooves (31) which are uniformly distributed are formed in the periphery of the indexing disc (3), and the locking block (21) is matched with the locking grooves (31) in shape to enable the indexing disc (3) to be limited circumferentially;
the volume of the lower half part of the indexing disc support part (52), the processing part (53) and the conical cylinder support part (54) is smaller than that of the upper half part, the contour is in an inward shrinkage shape, and a margin space is formed on the circumference, so that the conical cylinder does not interfere with the lower part of the support core body (5), and the indexing disc (3) can move upwards in a translation mode relative to the central axis;
the supporting core body (5) is provided with a horizontal through hole (57) which is axially penetrated, the operating rod (6) is inserted into the through hole, and the vertical through hole (56) is communicated with the horizontal through hole (57); a top block (4) is arranged in the vertical through hole (56) in a sliding mode, the lower end of the top block (4) is matched with the profile of the operating rod (6), and the operating rod (6) can push the top block (4) to slide upwards;
the upper end surface of the processing boss is a lower die, and the lower die is matched with the upper die;
the dividing plate (3) and the large end of the cone cylinder are coaxially sleeved and fixed, each dividing point of the dividing plate (3) is correspondingly provided with the locking groove (31), and each dividing position can be positioned through the locking groove (31) and the locking block (21).
2. The rapid and accurate positioning cone machining device according to claim 1, characterized in that: the upper die comprises a template (11), a male die (12), an elastic element (13) and a demoulding sleeve (14); the elastic element (13) is arranged between the template (11) and the demolding sleeve (14) and used for providing downward elastic thrust to the demolding sleeve (14), when the elastic element (13) is released, the elongation of the demolding sleeve (14) in the vertical direction is longer than that of the punch (12), and when the elastic element (13) is compressed, the elongation of the demolding sleeve (14) in the vertical direction is shorter than that of the punch (12).
3. The rapid and accurate positioning cone machining device according to claim 1, characterized in that: the ejector block (4) lower extreme is inclined plane or oblique cambered surface, be formed with the inclined plane on the control rod (6), both form the profile cooperation, and control rod (6) can promote ejector block (4) and upwards slide.
4. The cone machining device capable of achieving rapid and accurate positioning according to claim 1 is characterized in that: the ejector pad (4) lower extreme is the horizontal plane, horizontal through-hole (57) inner forms the slope, control lever (6) rear end forms the slope equally, makes control lever (6) are in can displacement from top to bottom in horizontal through-hole (57), and promote ejector pad (4) upwards slides.
5. The rapid and accurate positioning cone machining device according to claim 1, characterized in that: the dividing plate (3) is an assembly and comprises a group of dividing plates (3), the diameter of each dividing plate (3) is the same, the number of dividing points between each dividing plate (3) is different, and the conical cylinder can be machined according to different uniform distribution numbers by replacing the dividing plates (3).
6. The rapid and accurate positioning cone machining device according to claim 2, characterized in that: the elastic element (13) is soft rubber or a spring.
7. The rapid and accurate positioning cone machining device according to claim 1, characterized in that: the male die (12) of the upper die is a stamping tool bit.
8. The rapid and accurate positioning cone machining device according to claim 1, characterized in that: the indexing disc (3) is provided with a lock hole, the conical cylinder is provided with a mounting edge in advance, and the conical cylinder mounting edge and the indexing disc (3) can be fixed into a whole through the lock pin.
9. The rapid and accurate positioning cone machining device according to claim 1, characterized in that: be equipped with movable brace table on support frame (2), the brace table is used for supporting outer end supporting part (55), when the brace table moves the primary importance, with outer end supporting part (55) separation, when moving the secondary importance, it is right outer end supporting part (55) provide the support, when the brace table with when outer end supporting part (55) separation, can arrive with the awl section of thick bamboo suit awl section of thick bamboo supporting part (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011197234.1A CN112474994B (en) | 2020-10-30 | 2020-10-30 | Cone cylinder machining device capable of achieving quick and accurate positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011197234.1A CN112474994B (en) | 2020-10-30 | 2020-10-30 | Cone cylinder machining device capable of achieving quick and accurate positioning |
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| Publication Number | Publication Date |
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| CN112474994A CN112474994A (en) | 2021-03-12 |
| CN112474994B true CN112474994B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2013027886A (en) * | 2011-07-27 | 2013-02-07 | Honda Motor Co Ltd | Press die |
| CN204262861U (en) * | 2014-11-19 | 2015-04-15 | 天水锻压机床(集团)有限公司 | A kind of cone processing unit (plant) |
| CN106391802A (en) * | 2016-11-01 | 2017-02-15 | 苏州市瑞晟制冷设备有限公司 | Burr-free edge turning device and a burr-free edge turning process |
| JP2017159372A (en) * | 2016-03-07 | 2017-09-14 | 株式会社戸田精機 | Workpiece support device |
| CN108031903A (en) * | 2017-11-30 | 2018-05-15 | 贵州航天电子科技有限公司 | A kind of indexing bore expanded hole device |
| CN207431335U (en) * | 2017-10-14 | 2018-06-01 | 济宁市技师学院 | A kind of simple positioning fixture |
| CN108687215A (en) * | 2018-05-16 | 2018-10-23 | 浙江黎明发动机零部件有限公司 | A kind of rotation blanking mechanism for cylinder circumferential cut |
| CN110102633A (en) * | 2019-06-14 | 2019-08-09 | 杭州电子科技大学 | A kind of auxiliary mould for side positioning |
-
2020
- 2020-10-30 CN CN202011197234.1A patent/CN112474994B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013027886A (en) * | 2011-07-27 | 2013-02-07 | Honda Motor Co Ltd | Press die |
| CN204262861U (en) * | 2014-11-19 | 2015-04-15 | 天水锻压机床(集团)有限公司 | A kind of cone processing unit (plant) |
| JP2017159372A (en) * | 2016-03-07 | 2017-09-14 | 株式会社戸田精機 | Workpiece support device |
| CN106391802A (en) * | 2016-11-01 | 2017-02-15 | 苏州市瑞晟制冷设备有限公司 | Burr-free edge turning device and a burr-free edge turning process |
| CN207431335U (en) * | 2017-10-14 | 2018-06-01 | 济宁市技师学院 | A kind of simple positioning fixture |
| CN108031903A (en) * | 2017-11-30 | 2018-05-15 | 贵州航天电子科技有限公司 | A kind of indexing bore expanded hole device |
| CN108687215A (en) * | 2018-05-16 | 2018-10-23 | 浙江黎明发动机零部件有限公司 | A kind of rotation blanking mechanism for cylinder circumferential cut |
| CN110102633A (en) * | 2019-06-14 | 2019-08-09 | 杭州电子科技大学 | A kind of auxiliary mould for side positioning |
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| Publication number | Publication date |
|---|---|
| CN112474994A (en) | 2021-03-12 |
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