CN113894203A - Punching tool and punching method - Google Patents
Punching tool and punching method Download PDFInfo
- Publication number
- CN113894203A CN113894203A CN202110986912.0A CN202110986912A CN113894203A CN 113894203 A CN113894203 A CN 113894203A CN 202110986912 A CN202110986912 A CN 202110986912A CN 113894203 A CN113894203 A CN 113894203A
- Authority
- CN
- China
- Prior art keywords
- guide
- punching
- punch
- male die
- inclined plane
- 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.)
- Granted
Links
- 238000004080 punching Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 38
- 210000001503 joint Anatomy 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 abstract description 17
- 230000009471 action Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/32—Perforating, i.e. punching holes in other articles of special shape
-
- 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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a punching tool and a punching method, wherein the punching tool comprises an upper base body, a base, a first guide structure, a male die, a female die sleeve and a punch head arranged on the upper base body, wherein: a guide inclined plane is arranged on the base, and the male die is in sliding fit with the guide inclined plane; the female die sleeve is arranged on the male die and matched with the punch; the first guide structure comprises a guide pillar and a guide sleeve which are matched, one of the guide pillar and the guide sleeve is arranged on the upper base body, the other one of the guide pillar and the guide sleeve is arranged on the male die, and after the upper base body moves for a set distance along the stamping direction, the male die moves along the guide inclined plane until the guide pillar and the guide sleeve are sleeved and butted. The invention can avoid the interference of parts taking and placing and realize punching in the punching process. Meanwhile, the guide inclined plane and the first guide structure are additionally arranged, so that the running precision of the male die is ensured, the positioning deviation is avoided, and the precision and the stability of punching on the movable part can be ensured.
Description
Technical Field
The invention relates to the technical field of punching and punching, in particular to a punching tool and a punching and punching method.
Background
In the stamping process, the negative angle punching condition exists, and in order to ensure that a part taking and placing structure and a lower die punching structure do not interfere in the stamping production, the hole can be punched in the traditional stamping process scheme only before the shape of the side wall of the part is not formed, and then the negative angle side wall is shaped. However, when the scheme of reshaping after punching is adopted, the hole distance is close to the reshaping area, and the deformation of the plate material is large during reshaping, so that the punched hole is deformed in the process of reshaping by the wedge, the position and the shape of the hole cannot be ensured, and the installation precision is influenced.
Therefore, in order to ensure punching precision, the punching must be performed after shaping, but because the side wall surface of a part near the punching is a negative angle, a punch and a female die sleeve can interfere, and the guide precision of the existing punching die and the existing process method is very low, so that the existing punching die and the existing process method are usually used for flanging and shaping processes, and the requirements of punching cannot be met.
Disclosure of Invention
In order to solve the technical problems, the invention provides a punching tool and a punching method, which avoid punching interference and ensure the operation precision of a male die and the precision and stability of punching.
The technical scheme adopted for achieving the purpose of the invention is that the punching tool comprises an upper base body, a base, a first guide structure, a male die, a female die sleeve and a punch head arranged on the upper base body, wherein: the base is provided with a guide inclined plane, and the male die is in sliding fit with the guide inclined plane; the female die sleeve is arranged on the male die and matched with the punch; the first guide structure comprises a guide pillar and a guide sleeve which are matched, one of the guide pillar and the guide sleeve is arranged on the upper base body, the other one of the guide pillar and the guide sleeve is arranged on the male die, and after the upper base body moves for a set distance along the stamping direction, the male die moves along the guide inclined plane until the guide pillar and the guide sleeve are in sleeved butt joint.
Further, the male die is provided with an installation inclined surface matched with the guide inclined surface, so that the moving direction of the male die has a projection component parallel to the stamping direction.
Furthermore, two guide plates which are respectively connected with the base and the male die are arranged between the base and the male die, and two opposite and contacting surfaces of the two guide plates respectively form the installation inclined plane and the guide inclined plane; and a matched second guide structure is arranged on the guide inclined plane.
Further, the second guide structure comprises a boss and a caulking groove; the cross sections of the lug boss and the caulking groove are both V-shaped.
Further, the punching tool further comprises a slotting tool arranged on the upper base body, the slotting tool is provided with a first driving inclined plane, and a second driving inclined plane matched with the first driving inclined plane is arranged on the male die.
Further, the punching tool further comprises a cover plate for placing a part to be punched and a positive pressure material plate for fixing the part to be punched; the cover plate is arranged on the base, and the positive pressure material plate is arranged on the upper base body in a sliding mode.
Further, the guide sleeve and the guide pillar are axially arranged to be parallel to the stamping direction.
Based on the same inventive concept, the invention also provides a punching method, which is implemented based on the punching tool and comprises the following steps:
placing the part to be punched on the base;
controlling the upper substrate to move a first set distance along the stamping direction so that the male die moves to a first set position along the guide inclined plane, and the guide pillar is in butt joint with the guide sleeve;
controlling the upper base body to move a second set distance along the stamping direction so that the punch reaches a pre-alignment position corresponding to the female die sleeve;
and controlling the punch to punch the part to be punched.
Further, before the control punch punches the part to be punched, the punching and punching method further includes: and controlling a wedge pressing plate arranged on the upper base body to move along the punching direction and tightly press the part to be punched.
Further, before the controlling the upper substrate to continue moving to the second set distance along the punching direction, the punching method further includes: and controlling a positive pressure material plate arranged on the upper base body to tightly press the part to be punched.
According to the technical scheme, the punching tool provided by the invention comprises an upper base body, a base, a first guide structure, a male die, a female die sleeve and a punch head arranged on the upper base body, wherein: the base is provided with a guide inclined plane, the male die is in sliding fit with the guide inclined plane, and due to the existence of the guide inclined plane, when the male die moves towards a set direction, the male die is under the action of gravity component force, so that the stability and the accuracy of the movement of the male die are ensured. The female die sleeve is arranged on the male die and matched with the punch, the female die sleeve is movably arranged on the base along with the male die, the parts can be prevented from being interfered when the parts are taken and placed through the movement of the male die, and punching in the punching process can be realized. The first guide structure comprises a guide pillar and a guide sleeve which are matched, one of the guide pillar and the guide sleeve is arranged on the upper base body, the other one of the guide pillar and the guide sleeve is arranged on the male die, the upper base body moves for a set distance along the stamping direction, the male die moves to the butt joint of the guide pillar and the guide sleeve in a sleeved mode along the guide inclined plane, then the upper base body and the male die continue to move relatively under the action of the first guide structure, the position of the male die is accurately controlled, and the accurate positioning of the male die before punching is guaranteed.
Compared with horizontal guiding in the prior art, the invention is additionally provided with the guiding inclined plane and the first guiding structure, and because the guiding inclined plane and the first guiding structure have higher precision, the operation precision of the male die is ensured based on the 2 kinds of added guiding measures, the positioning deviation is avoided, and the precision and the stability of punching on the movable part can be ensured.
Based on the same inventive concept, the stamping and punching method provided by the invention is implemented based on the punching tool, and comprises the following steps of:
the part to be punched is placed on the base, and the male die is movably arranged, so that the male die can be operated when the part is taken and placed, and the part is taken and placed without interference.
Controlling the upper substrate to move a first set distance along the stamping direction so that the male die moves to a first set position along the guide inclined plane, and the guide pillar is in butt joint with the guide sleeve; compared with the horizontal guide in the prior art, the invention ensures the running precision of the male die through the inclined plane and avoids the precision error of punching caused by positioning deviation.
The upper base body is controlled to continuously move for a second set distance along the punching direction, so that the punch reaches a pre-alignment position corresponding to the female die sleeve, and the punch is controlled to move along the punching direction to punch a hole.
Drawings
Fig. 1 is a schematic view of a first process of a punching tool provided in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a second process of the punching tool of FIG. 1;
FIG. 3 is a schematic view of a third process of the punching tool of FIG. 1;
fig. 4 is a schematic diagram of a fourth process of the punching tool of fig. 1.
Reference numerals: 1-positive pressure flitch; 2-guide pillar; 3, slotting tool; 4-guide sleeve; 5-a male die; 6-upper V-shaped guide plate; 7-lower V-shaped guide plate; 8-cover plate; 9-a female die sleeve; 10-a punch; 11-a drive seat; 12-a tapered wedge pressure plate; 13-a tapered wedge slider; 14-upper substrate; 15-base.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
In order to solve the technical problems of complex negative angle punching process and low precision in the prior art, the invention provides the punching tool and the punching method for realizing negative angle punching in the punching process, and the punching precision is high. The invention is described in detail below by means of 2 examples:
example 1
As shown in fig. 1 to 4, the present embodiment provides a punching tool, which includes an upper base 14, a base 15, a first guiding structure, a male die 5, a female die sleeve 9, and a punch 10 disposed on the upper base 14, wherein: the base 15 is provided with a guide inclined plane, the male die 5 is in sliding fit with the guide inclined plane, and due to the existence of the guide inclined plane, when the male die 5 moves towards a set direction, the male die is under the action of gravity component force, so that the stability and the accuracy of the movement of the male die 5 are ensured. The female die sleeve 9 is arranged on the male die 5, the female die sleeve 9 is matched with the punch 10, the female die sleeve 9 is movably arranged on the base 15 along with the male die 5, the part taking and placing of the interference part can be avoided through the movement yielding of the male die 5, and the punching in the punching process can be realized. The first guide structure comprises a guide pillar 2 and a guide sleeve 4 which are matched with each other, one of the guide pillar 2 and the guide sleeve 4 is arranged on the upper base body 14, the other one of the guide pillar 2 and the guide sleeve 4 is arranged on the male die 5, the upper base body 14 moves for a set distance along the stamping direction, the male die 5 moves to the butt joint of the guide pillar 2 and the guide sleeve 4 in a sleeved mode along a guide inclined plane, then the upper base body 14 and the male die 5 continue to move relatively under the action of the first guide structure, the position of the male die 5 is accurately controlled, and the male die 5 is accurately positioned before punching is guaranteed.
Compared with horizontal guiding in the prior art, the invention is additionally provided with the guiding inclined plane and the first guiding structure, and because the guiding inclined plane and the first guiding structure have very high precision, after 2 guiding measures are ingeniously added, the running precision of the male die 5 is ensured, the positioning deviation is avoided, and the precision and the stability of punching on a movable part can be ensured.
In order to facilitate the sliding of the punch 5 on the guide ramp, in this embodiment, the punch 5 is provided with a mounting ramp matching the guide ramp, so that the moving direction of the punch 5 has a projection component parallel to the punching direction, so that the punch 5 can move along the guide ramp under the drive of the upper base 14.
The installation inclined plane and the guide inclined plane are not particularly limited, and can be formed by one surface of the male die 5 and the base 15, or separate inclined planes can be additionally arranged on the male die 5 and the base 15. In order to reduce the abrasion of the relative movement to the male die 5 and the base 15, in the embodiment, two guide plates respectively connected with the base 15 and the male die 5 are arranged between the base 15 and the male die 5, and two opposite and contacting surfaces of the two guide plates respectively form an installation inclined surface and a guide inclined surface; and a second matched guide structure is arranged on the guide inclined plane. The male die 5 is arranged on the guide inclined plane through the installation inclined plane, and the second guide structure is arranged on the guide inclined plane, so that the male die 5 moves along the guide inclined plane, the deviation of a route is avoided, the upper surface of the installed male die 5 is parallel to the horizontal plane, the guide pillar 2 or the guide sleeve 4 is simple to set, and the technical problem that the guide pillar 2 and the guide sleeve 4 are not accurately aligned due to angle deviation is solved.
The structure shape of the male die 5 is not limited, for example, when the guide plate for blocking the installation inclined plane is a triangular plate, the male die 5 can be cubic, and the inclined plane is not specially processed. In this embodiment, the guide plate forming the installation slope is a flat plate, and the male die 5 is a cube with a unfilled corner so as to be connected with the installation slope, and at the same time, the guide sleeve 4 or the male die 5 is convenient to arrange.
In order to limit the moving path of the male die 5, in this embodiment, the second guide structure includes a boss and a caulking groove, and the shape and structure of the boss and the caulking groove are not limited in the present invention, as long as the guide function is realized after the fitting, for example, a dovetail groove structure may be adopted. In order to further ensure the positioning and guiding precision, in the embodiment, the cross sections of the lug boss and the caulking groove are V-shaped, so that an upper V-shaped guide plate 6 arranged on the male die 5 and a lower V-shaped guide plate 7 arranged on the base 15 are formed.
In order to convert the movement of the upper base 14 along the stamping direction into the movement of the male die 5 along the guiding inclined plane, in this embodiment, the punching tool further includes a slotting tool 3 disposed on the upper base 14 and used for driving the male die 5, the slotting tool 3 has a first driving inclined plane, and the male die 5 is provided with a second driving inclined plane used for being matched with the first driving inclined plane. It should be noted that the inclination directions of the first driving inclined surface, the second driving inclined surface and the guiding inclined surface are not necessarily parallel, that is, are not necessarily the same, and it is only necessary to ensure that the inclination directions are the same.
In order to realize the limiting of the male die 5 in the return state and avoid the male die 5 from being separated from the guide inclined plane of the base 15 under the action of gravity, in the embodiment, the limit positions of the guide inclined plane at two ends along the movement direction of the male die 5 are provided with limiting parts.
Before positive pressure flitch 1 compresses tightly the part that waits to punch a hole, in order to place the part, to this embodiment, still include the apron 8 that is used for placing the part that waits to punch a hole, apron 8 is fixed to be set up on base 15, and is close to the upper surface setting of terrace die 5, and when each die case 9 of terrace die 5 followed the direction inclined plane motion, also laminated the bottom surface motion of apron 8.
In order to fix a position of a part to be punched and avoid punching deviation caused by factors such as vibration during punching, in the embodiment, the punching tool further comprises a positive pressure plate 1 for fixing the part to be punched, wherein the positive pressure plate 1 is movably arranged on the upper base 14, the specific arrangement of the positive pressure plate 1 is not limited in the invention, and the part is pressed before punching, in the embodiment, when the male die 5 is in a return state and the guide butt joint structure completes alignment, the positive pressure plate 1 moves downwards along with the upper base 14, and when the guide butt joint structure completes butt joint, the positive pressure plate 1 presses the part, and then the positive pressure plate 1 does not move downwards along with the upper base 14.
In order to further ensure the punching precision, in the embodiment, the punching tool further includes a tapered wedge pressure plate 12 for mounting the punch 10, the tapered wedge pressure plate 12 is slidably mounted on the upper base 14, and the tapered wedge pressure plate 12 controllably slides along the punching direction of the punch 10, after the punch 10 reaches the preset position and before the punch 10 punches, distances exist between the tapered wedge pressure plate 12 and the punch 10 and the female die sleeve 9 along the punching direction, the tapered wedge pressure plate 12 drives the punch 10 to move along the punching direction until the tapered wedge pressure plate 12 compresses the part in the punching direction, and the punching precision is ensured by double compression of the part in two directions.
In order to position the punch 10 and the wedge pressing plate 12 and ensure the precision of the pre-alignment position, in this embodiment, the punching tool further includes a wedge slider 13 disposed on the upper base 14 and a driving seat 11 disposed on the base 15, the wedge pressing plate 12 is movably disposed on the wedge slider 13, the wedge slider 13 has a third inclined surface matched with the butt-joint inclined surface of the driving seat 11, when the third inclined surface contacts with the driving seat 11, the punch 10 just reaches the pre-alignment position, so that the alignment precision is ensured, and the error between the punch 10 and the female die sleeve 9 is avoided.
The arrangement of the guide sleeve 4 and the guide post 2 is not limited in the invention, and the guide sleeve and the guide post can be arranged on the upper base 14 and the base 15 respectively. In order to calculate the distance and simplify the use of the tooling, in this embodiment, the axial directions of the guide sleeve 4 and the guide pillar 2 are set to be parallel to the stamping direction, so that after the guide pillar 2 and the guide sleeve 4 are butted, the guide pillar 2 and the guide sleeve 4 guide and keep the position of the male die 5 on the base 15 unchanged.
The moving direction of the upper base 14 is not limited in the present invention, and may be the same as or different from the stamping direction, and in order to simplify the structural design, in this embodiment, the moving direction of the upper base 14 is the same as the stamping direction. The invention is not limited to the movement direction of the upper base 14, and preferably, the guide sleeve 4 and the guide post 2 need to be arranged parallel to the slotting tool 3 to ensure accurate positioning under the double guidance of the guide slope and the first guide structure. In this embodiment, the upper base 14 moves in the vertical direction, that is, the moving direction and the stamping direction of the upper base 14 are both vertical directions; the guide post 2 and the positive pressure plate 1 are vertically arranged on the upper base body 14, and the guide sleeve 4 is vertically arranged on the upper surface of the male die 5. When the male die 5 is in a return state, the guide sleeve 4 and the guide pillar 2 are staggered, the slotting tool 3 moves downwards along with the upper base body 14, the driving inclined plane of the slotting tool 3 pushes the male die 5 to move along the upper right corner on the guiding inclined plane, when the slotting tool 3 and the male die 5 are driven by the slotting tool, the guide sleeve 4 and the guide pillar 2 are just successfully butted, the upper base body 14 drives the punch 10 to continuously move downwards to reach a preset pre-alignment position of the punch 10, the punch 10 and the female die sleeve 9 are coaxial at the moment, and the axial direction of the punch 10 at the moment is the punching direction.
Compared with the prior art, the punch die is characterized in that the punch die 5 is movably arranged on the base 15, and the punch die 5 moves to avoid interference with a part taking and placing part, so that punching in the punching process can be realized. Meanwhile, the guide inclined plane and the first guide structure are additionally arranged, and because the guide inclined plane and the guide structure are very high in precision, the operation precision of the male die 5 is ensured after the 2 guide measures are additionally arranged, the positioning deviation is avoided, and the precision and the stability of punching on the movable part can be ensured.
Example 2
Based on the same inventive concept, the stamping and punching method provided by the invention is implemented based on the punching tool, and comprises the following steps of:
the part to be punched is placed on the base 15, specifically, the part to be punched is placed on the cover plate 8 fixedly arranged on the base 15, and due to the movable arrangement of the male die 5, the male die 5 can be operated when the part is taken and placed, so that the part taking and placing of the part is avoided from being interfered.
Controlling the upper substrate 14 to move a first set distance along the stamping direction, so that the male die 5 moves to a first set position along the guide inclined plane, and the guide pillar 2 is in butt joint with the guide sleeve 4; compared with the horizontal guide in the prior art, the invention ensures the running precision of the male die 5 through the inclined plane and avoids the precision error of punching caused by positioning deviation.
The upper base 14 is controlled to move a second set distance in the punching direction so that the punch 10 reaches a pre-alignment position corresponding to the die case 9, at which time the punch 10 is aligned with the die case 9.
The control drift 10 punches a hole to the part that punches a hole, and at last base member 14 motion second settlement distance to the duration of punching a hole, the first guide structure that guide pillar 2 and guide pin bushing 4 formed carries out accurate location to terrace die 5 position on base 15, has guaranteed the accurate counterpoint of drift 10 with die case 9, carries out dual guarantee through first guide structure and direction inclined plane to the final location of terrace die 5, and ingenious increase 2 kinds of direction backs can guarantee the precision and the stability of punching a hole on the movable part.
In order to further ensure the punching precision, in this embodiment, before controlling the punch 10 to punch the part to be punched, the punching method further includes: and controlling the wedge material pressing plate 12 arranged on the upper base 14 to move along the punching direction and press the part to be punched. In this embodiment, when the punch 10 and the female die sleeve 9 are at the pre-alignment position, a certain distance is reserved between the punch 10 and the female die sleeve 9 to avoid collision, the punch 10 is disposed on the tapered wedge pressure plate 12, and the punch 10 moves along with the tapered wedge pressure plate 12 to compress the part in the punching direction.
In order to avoid the problems of position deviation of the component and low punching precision caused by vibration and the like before the wedge material pressing plate 12 presses the component, in this embodiment, before controlling the upper base 14 to continue moving to the second set distance along the punching direction, the punching method further includes: and controlling the positive pressure material plate 1 arranged on the upper matrix 14 to press the part to be punched on the cover plate 8.
Examples of the applications
In the application example, the stamping direction is the same as the movement direction of the upper base body 14 and is vertical to the horizontal plane, the axial directions of the slotting tool 3, the guide pillar 2 and the guide sleeve 4 are all along the vertical direction, and the distance between the male die 5 and the slotting tool 3 is fixed and unchanged by a first guide structure formed after the butt joint of the guide pillar 2 and the guide sleeve 4 is completed, so that the male die 5 is positioned at a first set position, and the punching precision is ensured. The specific process comprises the following steps:
the first process step: the mould is opened, the male mould 5 movably arranged on the base 15 is in a return state, and the part is thrown onto the cover plate 8 (see figure 1).
And a second step: after the part is put in place, the upper base 14 descends, the slotting tool 3 on the upper base 14 descends along with the upper base 14, and after the slotting tool 3 contacts with the driving inclined surface between the male dies 5, the male dies 5 start to move along the guiding directions of the upper V-shaped guide plate 6 and the lower V-shaped guide plate 7 (see figure 2).
And a third step of: when the slotting tool 3 continues to descend to 30mm before the bottom, the male die 5 moves in place along the upper V-shaped guide plate 6 and the lower V-shaped guide plate 7 under the driving of the male die, the guide of the upper matrix 14 starts to perform accurate guide with the guide sleeve 4 on the male die 5, and meanwhile, the positive pressure plate 1 descends to press the part (see fig. 3).
Step four: the guide pillar 2 and the guide sleeve 4 continue to guide the upper base 14 downwards for 25mm, the punch 10 reaches a pre-alignment position, the wedge pressing plate 12 extends out to press the plate, and the punch 10 starts to punch the hole until the movement is completed (see fig. 4).
Through the embodiment, the invention has the following beneficial effects or advantages:
1) the invention provides a punching tool capable of ensuring punching precision, wherein a male die is movably arranged on a base, a female die sleeve is arranged on a movable male die for punching, and the movable male die drives the female die sleeve to reach a working state for punching during punching; when a workpiece is taken and placed, the movable male die is in a retreating state, so that the interference with the part is avoided. Meanwhile, the problem of poor punching precision of the movable male die during punching can be effectively solved, and the requirements on the area of the station of a workshop and the investment in tooling during welding and punching are avoided. The punching precision is improved, meanwhile, the tooling cost is reduced, and the punching tool is worthy of popularization.
2) Compared with the horizontal guide in the prior art, the punching tool provided by the invention has the advantages that the male die is movably arranged on the base, the interference of a part taking and placing part can be avoided through the movement of the male die, and the punching in the punching process can be realized. Meanwhile, the guide inclined plane and the first guide structure are additionally arranged, and the precision of the guide inclined plane and the precision of the guide structure are very high, so that the running precision of the male die is ensured through the 2 high-precision guide measures, the positioning deviation is avoided, and the precision and the stability of punching on the movable part can be ensured.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The utility model provides a frock of punching a hole, its characterized in that includes upper base member, base, first guide structure, terrace die, die case and sets up punch head on the upper base member, wherein: the base is provided with a guide inclined plane, and the male die is in sliding fit with the guide inclined plane; the female die sleeve is arranged on the male die and matched with the punch; the first guide structure comprises a guide pillar and a guide sleeve which are matched, one of the guide pillar and the guide sleeve is arranged on the upper base body, the other one of the guide pillar and the guide sleeve is arranged on the male die, and after the upper base body moves for a set distance along the stamping direction, the male die moves along the guide inclined plane until the guide pillar and the guide sleeve are in sleeved butt joint.
2. A punch tool according to claim 1 wherein the punch is provided with a mounting ramp matching the guide ramp so that the direction of movement of the punch has a projected component parallel to the punching direction.
3. A punching tool according to claim 2, wherein two guide plates connected with the base and the male die respectively are arranged between the base and the male die, and two opposite and contacting surfaces of the two guide plates respectively form the installation inclined surface and the guide inclined surface; and a matched second guide structure is arranged on the guide inclined plane.
4. A punch tool according to claim 3 wherein the second guide structure comprises a boss and a caulking groove; the cross sections of the lug boss and the caulking groove are both V-shaped.
5. A punch tool according to claim 1 further comprising a plunge cutter disposed on the upper substrate, the plunge cutter having a first driving ramp, the punch having a second driving ramp disposed thereon for cooperation with the first driving ramp.
6. The punching tool according to claim 1, further comprising a cover plate for placing a part to be punched and a positive pressure plate for fixing the part to be punched; the cover plate is arranged on the base, and the positive pressure material plate is arranged on the upper base body in a sliding mode.
7. A punching tool according to any one of claims 1-6, characterized in that the guide sleeve and the guide post are arranged with their axial directions parallel to the punching direction.
8. A punching method is characterized in that the punching tool is implemented based on any one of claims 1-7, and comprises the following steps:
placing the part to be punched on the base;
controlling the upper substrate to move a first set distance along the stamping direction so that the male die moves to a first set position along the guide inclined plane, and the guide pillar is in butt joint with the guide sleeve;
controlling the upper base body to move a second set distance along the stamping direction so that the punch reaches a pre-alignment position corresponding to the female die sleeve;
and controlling the punch to punch the part to be punched.
9. The method of punch punching as recited in claim 8, wherein prior to the controlling punch punching the part to be punched, the method further comprises: and controlling a wedge pressing plate arranged on the upper base body to move along the punching direction and tightly press the part to be punched.
10. The method of punch punching according to claim 8 or 9, wherein prior to controlling the upper substrate to continue moving in the punching direction to a second set distance, the method further comprises: and controlling a positive pressure material plate arranged on the upper base body to tightly press the part to be punched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110986912.0A CN113894203B (en) | 2021-08-26 | 2021-08-26 | Punching tool and punching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110986912.0A CN113894203B (en) | 2021-08-26 | 2021-08-26 | Punching tool and punching method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113894203A true CN113894203A (en) | 2022-01-07 |
| CN113894203B CN113894203B (en) | 2024-01-09 |
Family
ID=79188185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110986912.0A Active CN113894203B (en) | 2021-08-26 | 2021-08-26 | Punching tool and punching method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113894203B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10263723A (en) * | 1997-03-19 | 1998-10-06 | Hitachi Aic Inc | Structure of press die |
| JP2001252728A (en) * | 2000-03-06 | 2001-09-18 | Press Kogyo Co Ltd | Structure for preventing pressing deviation of press apparatus |
| CN102029323A (en) * | 2009-09-29 | 2011-04-27 | 中煤张家口煤矿机械有限责任公司 | Ring forge piece punching and cutting composite type mould |
| CN102327952A (en) * | 2011-09-16 | 2012-01-25 | 中国第一汽车股份有限公司 | Floating matrix trimming piercing die |
| CN203316568U (en) * | 2013-05-15 | 2013-12-04 | 恩比贝克飞虹汽车零部件(四川)有限公司 | Shaft sleeve side punching multi-hole die |
| CN203725586U (en) * | 2013-12-31 | 2014-07-23 | 芜湖宏昌汽车配件制造有限公司 | Heat-insulating cover double-side punching die |
| CN212703925U (en) * | 2020-07-24 | 2021-03-16 | 上汽大通汽车有限公司南京分公司 | Negative angle side punching mechanism for automobile covering part |
| CN112517792A (en) * | 2020-11-25 | 2021-03-19 | 奇瑞汽车股份有限公司 | Punching device and method for vehicle body sheet metal part |
-
2021
- 2021-08-26 CN CN202110986912.0A patent/CN113894203B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10263723A (en) * | 1997-03-19 | 1998-10-06 | Hitachi Aic Inc | Structure of press die |
| JP2001252728A (en) * | 2000-03-06 | 2001-09-18 | Press Kogyo Co Ltd | Structure for preventing pressing deviation of press apparatus |
| CN102029323A (en) * | 2009-09-29 | 2011-04-27 | 中煤张家口煤矿机械有限责任公司 | Ring forge piece punching and cutting composite type mould |
| CN102327952A (en) * | 2011-09-16 | 2012-01-25 | 中国第一汽车股份有限公司 | Floating matrix trimming piercing die |
| CN203316568U (en) * | 2013-05-15 | 2013-12-04 | 恩比贝克飞虹汽车零部件(四川)有限公司 | Shaft sleeve side punching multi-hole die |
| CN203725586U (en) * | 2013-12-31 | 2014-07-23 | 芜湖宏昌汽车配件制造有限公司 | Heat-insulating cover double-side punching die |
| CN212703925U (en) * | 2020-07-24 | 2021-03-16 | 上汽大通汽车有限公司南京分公司 | Negative angle side punching mechanism for automobile covering part |
| CN112517792A (en) * | 2020-11-25 | 2021-03-19 | 奇瑞汽车股份有限公司 | Punching device and method for vehicle body sheet metal part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113894203B (en) | 2024-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109500242B (en) | Stamping die for molding and processing multiple surfaces of automobile skylight guide rail and stamping method thereof | |
| US8474296B2 (en) | Formation tool for a punching machine | |
| CN108326148B (en) | Flanging and punching die | |
| CN107931427B (en) | Punching and blanking progressive die for automobile driving rear axle oil baffle and processing technology thereof | |
| CN111842652A (en) | Stamping die with side blow compensation resilience function | |
| CN111842665A (en) | Forming and processing device for side elastic sheet of automobile part | |
| CN212703925U (en) | Negative angle side punching mechanism for automobile covering part | |
| CN211386579U (en) | Stamping die capable of bending up and down in one step | |
| CN110465577B (en) | Multi-face punching die for automobile side plate part and processing method thereof | |
| CN113894203A (en) | Punching tool and punching method | |
| CN114589250B (en) | Stamping die process and die for flanging connecting piece | |
| CN113198914B (en) | Stamping method for part with negative angle and flanging negative angle integrated forming die | |
| CN214235900U (en) | Stamping die | |
| CN211101103U (en) | Continuous drawing deformable scrap edge progressive die structure for motor shell | |
| CN212944965U (en) | Inclined pushing mechanism for forming flanging | |
| CN212551132U (en) | Aluminum alloy automobile connecting plate bending device | |
| CN109351863B (en) | Automobile driving rear axle brake dust cover composite die and composite process | |
| CN109158484B (en) | Car body cross beam processing equipment | |
| CN110732576A (en) | automobile swing arm stamping part end hole flanging die and flanging method thereof | |
| CN213079736U (en) | Automatic forming device for sheet metal parts of power supply box | |
| CN111014470A (en) | Punching composite die | |
| CN114558931B (en) | Stamping die | |
| CN217412110U (en) | Punching die and punching device | |
| CN216263042U (en) | Movable convex die mechanism and edge covering die | |
| CN219357537U (en) | Wedge side flanging mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |