CN112692158A - Shaft pin punching device and punching method - Google Patents
Shaft pin punching device and punching method Download PDFInfo
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- CN112692158A CN112692158A CN202011435522.6A CN202011435522A CN112692158A CN 112692158 A CN112692158 A CN 112692158A CN 202011435522 A CN202011435522 A CN 202011435522A CN 112692158 A CN112692158 A CN 112692158A
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- punch
- punching
- male die
- die assembly
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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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/32—Perforating, i.e. punching holes in other articles of special shape
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a shaft pin punching device which comprises a base, a first male die component, a second male die component, a driving device and a limiting device, wherein the first male die component, the second male die component, the driving device and the limiting device are fixedly arranged on the top surface of the base, the driving device is respectively connected with the first male die component and the second male die component, the limiting device is used for limiting a workpiece between the first male die component and the second male die component, the first male die component comprises a first punch, the second male die component comprises a second punch, and the first punch and the second punch are arranged oppositely. The shaft pin punching device can improve the relative precision of the coaxiality shaft hole.
Description
Technical Field
The invention relates to the technical field of automobile part processing process equipment, in particular to a shaft pin punching device and a punching method.
Background
At present, the accuracy requirement of the mounting plate of the oil filler cover is higher and higher, particularly the relative accuracy between the coaxiality shaft holes, and the preparation process of the existing oil filler cover mounting plate generally comprises three steps: the first step is as follows: blanking and punching the plate, and the second step: bending and forming; the third step: and (5) flanging and forming. In the prior art, punching is firstly carried out in a unified mode, then bending and flanging are carried out, so that the relative precision of the coaxiality shaft hole cannot be controlled, the obtained product is unstable, and finally the problem that the product precision cannot meet the requirement occurs in the assembling link.
Disclosure of Invention
The invention mainly aims to provide a shaft pin punching device and a shaft pin punching method, aiming at improving the relative precision of a coaxiality shaft hole.
In order to achieve the purpose, the shaft pin punching device provided by the invention comprises a base, a first male die assembly, a second male die assembly, a driving device and a limiting device, wherein the first male die assembly, the second male die assembly, the driving device and the limiting device are fixedly arranged on the top surface of the base, the driving device is respectively connected with the first male die assembly and the second male die assembly, the limiting device is used for limiting a workpiece between the first male die assembly and the second male die assembly, the first male die assembly comprises a first punch head which is movably connected, the second male die assembly comprises a second punch head which is movably connected, and the first punch head and the second punch head are arranged oppositely.
Preferably, the driving device comprises a pneumatic element, one end of the pneumatic element is connected with an external air source, and the other end of the pneumatic element is respectively connected with the first male die assembly and the second male die assembly.
Preferably, the pneumatic element comprises a first air inlet pipe, a first air outlet pipe, a second air inlet pipe, a second air outlet pipe, a first air cylinder and a second air cylinder, wherein one ends of the first air inlet pipe, the first air outlet pipe, the second air inlet pipe and the second air outlet pipe are respectively connected with an external air source, the other ends of the first air inlet pipe and the first air outlet pipe are connected with the first air cylinder, and the other ends of the second air inlet pipe and the second air outlet pipe are connected with the second air cylinder; the first air cylinder is arranged at one end of the first male die assembly, which is far away from the second male die assembly, and the second air cylinder is arranged at one end of the second male die assembly, which is far away from the first male die assembly; the first male die assembly and the second male die assembly move relatively under the action of the first air cylinder and the second air cylinder.
Preferably, the pneumatic element further comprises a scavenging valve, a gas source controller, a third gas inlet pipe and a third gas outlet pipe, one side of the gas source controller is connected with an external gas source, the other side of the gas source controller is connected with one end of the third gas inlet pipe and one end of the third gas outlet pipe, the other end of the third gas inlet pipe is connected with the first gas inlet pipe and the second gas inlet pipe through the scavenging valve, and the other end of the third gas outlet pipe is connected with the first gas outlet pipe and the second gas outlet pipe through the scavenging valve.
Preferably, the limiting device further comprises a first positioning column, a second positioning column and a stamping tool, the stamping tool is fixedly arranged between the first male die assembly and the second male die assembly, and the stamping tool is connected with the concave bottom surface of the workpiece in a matching manner; one end of the first positioning column and one end of the second positioning column are fixedly connected to the top surface of the stamping tool, and the other ends of the first positioning column and the second positioning column are used for penetrating through a first through hole and a second through hole which are preset on a workpiece and are in matched connection with the first through hole and the second through hole which are preset on the workpiece.
Preferably, the punching tool comprises a first punching die and a second punching die, the first punching die is arranged on the side face of the punching tool close to the first punch, the second punching die is arranged on the side face of the punching tool close to the second punch, and the first punching die and the second punching die are coaxially arranged.
Preferably, the first male die assembly further comprises a first sliding block and a first sliding sleeve, the first sliding sleeve is fixedly installed between the stamping tool and the first cylinder, the first punch is fixedly arranged at one end of the first sliding block, the first punch is matched with the first punching female die, the first sliding block is slidably connected in the first sliding sleeve along the length direction of the first punch, and the other end of the first sliding block is fixedly connected with the first cylinder; the second male die assembly further comprises a second sliding block and a second sliding sleeve, the second sliding sleeve is fixedly installed between the stamping tool and the second air cylinder, the second punch is fixedly arranged at one end of the second sliding block, the second punch is matched with the second punching female die, the second sliding block is connected in the second sliding sleeve in a sliding mode along the length direction of the second punch, and the other end of the second sliding block is fixedly connected with the second air cylinder.
Preferably, stop device still includes the press device, the press device is including pressing material pole, head rod, second connecting rod and adjusting part, head rod one end is connected on the base, the head rod other end passes through adjusting part and is connected with second connecting rod one end, it is used for adjusting the position of second connecting rod to adjust the pole, press material pole one end to be the third connecting rod, press the material pole other end to be the pressure flitch, the second connecting rod other end is provided with the third through-hole that supplies the third connecting rod to connect, the pressure flitch is used for connecting the finished piece and will compress tightly between first terrace die component and second terrace die component.
The invention also provides a punching method, wherein the shaft pin punching device comprises the following steps:
A1. placing the workpiece between the first male die assembly and the second male die assembly, and fixing the workpiece through the limiting device;
A2. and starting the driving device, and controlling the driving device to push the first punch and the second punch to move towards the workpiece so as to realize punching.
Preferably, the article is placed between the first punch assembly and the second punch assembly, and the step after the article is fixed by the limiting device comprises:
starting the pneumatic element, and controlling the pneumatic element to push the first punch and the second punch to move towards the workpiece; the first cylinder and the second cylinder are started through the air source controller, and the first cylinder and the second cylinder are controlled to push the first punch and the second punch to move towards the workpiece direction so as to realize punching. .
According to the technical scheme, mounting hole positions are arranged at different positions of a base of the shaft pin punching device, a first male die assembly, a second male die assembly, a driving device and a limiting device can be mounted at proper positions of the base through connection of bolts or locating pins and the mounting hole positions, the first male die assembly and the second male die assembly are respectively provided with a first punch and a second punch for shaft pin punching, and the first punch and the second punch are oppositely arranged at two ends of a workpiece. During operation, a first punch of the first male die assembly and a second punch of the second male die assembly are symmetrically arranged at two ends of a workpiece, the workpiece is fixed at a preset position through the limiting device, then the first male die assembly and the second male die assembly are driven by the driving device to move, the first punch and the second punch are moved towards the workpiece to punch, and after the punching is completed, the first male die assembly and the second male die assembly return to the original position. The shaft pin punching device punches holes at the shaft pin position after a workpiece is flanged, and the first punch and the second punch which are arranged oppositely punch holes in the coaxiality at the shaft pins at the two sides, so that the precision of the shaft hole is improved, and particularly the relative precision on the coaxiality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic angled view of a first embodiment of a pin punch apparatus according to the present invention;
FIG. 2 is a schematic angled view of a pin hole punch apparatus according to a second embodiment of the present invention;
FIG. 3 is a schematic view of a second embodiment of a pin hole punch apparatus according to the present invention at another angle;
FIG. 4 is a schematic cross-sectional view at an angle of a first punch assembly and a second punch assembly in an embodiment of the invention;
FIG. 5 is a schematic view of a structure during fabrication of an article according to an embodiment of the present invention;
FIG. 6 is another schematic diagram of a structure of an embodiment of the present invention during the fabrication of an article.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a shaft pin punching device.
Referring to fig. 1, in a first embodiment of the present invention, the shaft pin punching device includes a base 1, a first punch assembly 2, a second punch assembly 3, a driving device 4 and a limiting device 5, where the first punch assembly 2, the second punch assembly 3, the driving device 4 and the limiting device 5 are fixedly mounted on a top surface of the base 1, the driving device 4 is respectively connected to the first punch assembly 2 and the second punch assembly 3, the limiting device 5 is used for limiting a workpiece between the first punch assembly 2 and the second punch assembly 3, the first punch assembly 2 includes a first punch 6 movably connected, the second punch assembly 3 includes a second punch 7 movably connected, and the first punch 6 is opposite to the second punch 7.
In the first embodiment, a plurality of mounting hole sites for connection are arranged at different positions on a base 1 of the shaft pin punching device, a first male die assembly 2, a second male die assembly 3, a driving device 4 and a limiting device 5 are respectively mounted on the base 1 through bolts or positioning pins, and the relative positions of the first male die assembly 2, the second male die assembly 3, the driving device 4 and the limiting device 5 can be adjusted by selecting the mounting hole sites connected at different positions. As shown in fig. 1, the first male die assembly 2 is arranged on the left side of the base 1, the second male die assembly 3 is arranged on the right side of the base 1, the limiting device 5 is arranged in the middle of the base 1 and used for fixing a workpiece between the first male die assembly 2 and the second male die assembly 3, the driving device 4 is respectively connected with the first male die assembly 2 and the second male die assembly 3, and the driving device 4 is used for providing punching power for the first male die assembly 2 and the second male die assembly 3. The right side of the first male die component 2 is provided with a first punch 6, the left side of the second male die component 3 is provided with a second punch 7, and the first punch 6 and the second punch 7 are on the same axis. When the shaft pin punching device works, a workpiece is placed between the first male die assembly 2 and the second male die assembly 3, a shaft pin needing to be punched is aligned to the first punch 6 and the second punch 7, then the workpiece is tightly pressed between the first punch 6 and the second punch 7 through the limiting device 5, the driving device 4 is opened, the driving device 4 can simultaneously drive the first punch 6 and the second punch 7 to move towards the workpiece to punch, and the first punch 6 and the second punch 7 can also be respectively driven to punch. After the punching is finished, the first male die assembly 2 and the second male die assembly 3 are driven by the driving device 4 to return to the original positions, and the workpiece is taken down. The shaft pin punching device punches holes in the coaxiality at the shaft pin positions on two sides through the first punch 6 and the second punch 7 which are oppositely arranged, so that the precision of a shaft hole is improved, and particularly the relative precision on the coaxiality is improved.
Referring to fig. 2, in the second embodiment of the present invention, the driving device 4 includes a pneumatic element, one end of the pneumatic element is connected to an external air source, and the other end of the pneumatic element is connected to the first male mold assembly 2 and the second male mold assembly 3 respectively.
In the second embodiment, the driving device 4 may be a pneumatic element, the pneumatic element is connected with an external compressed air source and the first male die assembly 2 and the second male die assembly 3, and the pneumatic element can convert the air source power into mechanical thrust so as to push the first punch 6 and the second punch 7 in the first male die assembly 2 and the second male die assembly 3 to punch.
Referring to fig. 2, in another embodiment of the present invention, the pneumatic element includes a first air inlet pipe 8, a first air outlet pipe 9, a second air inlet pipe 10, a second air outlet pipe 11, a first cylinder 12 and a second cylinder 13, one end of the first air inlet pipe 8, one end of the first air outlet pipe 9, one end of the second air inlet pipe 10 and one end of the second air outlet pipe 11 are respectively connected to an air source, the other end of the first air inlet pipe 8 and the other end of the first air outlet pipe 9 are connected to the first cylinder 12, and the other end of the second air inlet pipe 10 and the other end of the second air outlet pipe 11 are connected to; the first air cylinder 12 is arranged at one end of the first male die assembly 2, which is far away from the second male die assembly 3, and the second air cylinder 13 is arranged at one end of the second male die assembly 3, which is far away from the first male die assembly 2; the first punch component 2 and the second punch component 3 move relatively under the action of the first cylinder 12 and the second cylinder 13.
In other embodiments, as shown in fig. 2, the pneumatic elements are arranged as a first cylinder 12 on the left and a second cylinder 13 on the right, the first cylinder 12 is connected to an external air supply through a first air inlet pipe 8 and a first air outlet pipe 9, and the second cylinder 13 is connected to the external air supply through a second air inlet pipe 10 and a second air outlet pipe 11. As shown in fig. 3, two bottom plates are respectively arranged at the left end and the right end of the first cylinder 12, the bottoms of the two bottom plates are respectively connected to the base 1, the first cylinder 12 is connected between the two bottom plates, a first fastening piece 36 can be further arranged at the outer side of the first cylinder 12, and two ends of the first fastening piece 36 are respectively connected to the two bottom plates; both ends are equipped with two bottom plates respectively about second cylinder 13, and the bottom of two bottom plates is connected respectively on base 1, and second cylinder 13 is connected between two bottom plates, and the second cylinder 13 outside can also be provided with second fastener 36, and second fastener 36 both ends are connected respectively on two bottom plates, and the setting of first fastener 36 and second fastener 36 can provide the protection and strengthen being connected between cylinder and the bottom plate outside the cylinder. The right side of the first cylinder 12 is provided with a first piston rod which is connected with the left end of the first male die component 2, the left side of the second cylinder 13 is provided with a second piston rod which is connected with the right end of the second male die component 3. The air source can act on a first air cylinder 12 and a second air cylinder 13 through a first air inlet pipe 8 and a second air inlet pipe 10 respectively, a first piston rod pushes a first punch 6 in a first male die assembly 2 to move leftwards, a second piston rod pushes a second punch 7 in a second male die assembly 3 to move rightwards, the first punch 6 and the second punch 7 are enabled to move coaxially and relatively, when a workpiece is placed between the first male die assembly 2 and the second male die assembly 3, the first punch 6 and the second punch 7 can punch holes in the coaxiality direction of two ends of the workpiece, and two coaxiality shaft holes are formed in the workpiece. After punching, an air source can act on the first air cylinder 12 and the second air cylinder 13 through the first air outlet pipe 9 and the second air outlet pipe 11, the first piston rod pulls the first punch 6 to return to the first male die assembly 2, the second piston rod pulls the second punch 7 to return to the second male die assembly 3, and a workpiece which is punched can be taken out. The shaft pin punching die in the prior art is provided with a power source by a press machine, the power of the press machine is high, a special person is required to be specially configured for operating a production process, the use cost of the shaft pin punching die in the prior art is high, and potential safety hazards exist in the operation process. The driving device 4 of the shaft pin punching device is provided with power by the first air cylinder 12 and the second air cylinder 13 respectively to replace a shaft pin punching die in the prior art and provide power source by a press machine, the shaft pin punching device can be placed on any control workbench near a workpiece to be processed, or workers can perform shaft pin punching work on the workbench beside a flanging die and can also perform shaft pin punching when assembling the workpiece, the transfer times among all working procedures are reduced, and the production cost is reduced.
Referring to fig. 2, in another embodiment of the present invention, the pneumatic element further includes a scavenging valve 14, a gas source controller 15, a third gas inlet pipe 16 and a third gas outlet pipe 17, one side of the gas source controller 15 is connected to a gas source, the other side of the gas source controller 15 is connected to one end of the third gas inlet pipe 16 and one end of the third gas outlet pipe 17, the other end of the third gas inlet pipe 16 is connected to the first gas inlet pipe 8 and the second gas inlet pipe 10 through the scavenging valve 14, and the other end of the third gas outlet pipe 17 is connected to the first gas outlet pipe 9 and the second gas outlet pipe 11 through the scavenging valve 14.
In other embodiments, the driving device 4 further includes a scavenging valve 14, a gas source controller 15, a third gas inlet pipe 16 and a third gas outlet pipe 17, the gas source controller 15 is connected with the gas source, the third gas inlet pipe 16 and the third gas outlet pipe 17, the third gas inlet pipe 16 is a main gas inlet pipe, and the first gas inlet pipe 8 and the second gas inlet pipe 10 are branch gas inlet pipes; the third air outlet pipe 17 is a main air outlet pipe, the first air outlet pipe 9 and the second air outlet pipe 11 are branch air outlet pipes, and the scavenging valve 14 is used for controlling the direction of the air flow and is arranged between the main air outlet pipe and the branch air outlet pipes. The air source controller 15 is used for controlling the connection of an air source and a third air inlet pipe 16 or a third air outlet pipe 17, the third air inlet pipe 16 is connected with a first air inlet pipe 8 and a second air inlet pipe 10 through a scavenging valve 14, the third air outlet pipe 17 is connected with a first air outlet pipe 9 and a second air outlet pipe 11 through the scavenging valve 14, and the air source controller 15 can further control the movement directions of the first air cylinder 12 and the second air cylinder 13 by controlling the air inlet and the air outlet of the first air cylinder 12 and the second air cylinder 13, so that the first punch 6 and the second punch 7 can accurately punch holes on two sides of a workpiece.
In other embodiments, before punching with the pin punching apparatus, the sheet material is first punched into a predetermined shape and specification by a blanking-punching die, and a first through hole 37 and a second through hole 38 are formed in the upper middle portion of the sheet material as shown in fig. 5; then, pressing the first concave part 39, the first bending part 40, the second bending part 41 and the third bending part 42 downwards through a bending die; pressing the first flanging part 43 and the second flanging part 44 downwards continuously by a flanging die to form a shape as shown in fig. 6, pressing a third flanging part 45 downwards on the plane where the third bending part 42 is located, pressing a second concave part 46 at the front end of the upper edge line of the first flanging part 43, and pressing a third concave part 47 at the front end of the upper edge line of the second flanging part 44; then, the shaft pin is punched at the lower end of the first flanging part 43 and the lower end of the second flanging part 44 by the shaft pin punching device, and the first shaft pin hole 48 and the second shaft pin hole 49 on the same axis are punched.
Referring to fig. 2, in other embodiments of the present invention, the limiting device 5 further includes a first positioning column 18, a second positioning column 19 and a stamping tool 20, the stamping tool 20 is fixedly disposed between the first male die assembly 2 and the second male die assembly 3, and the stamping tool 20 is connected to the concave bottom surface of the workpiece in a matching manner; one end of each of the first positioning column 18 and the second positioning column 19 is fixedly connected to the top surface of the stamping tool 20, and the other end of each of the first positioning column 18 and the second positioning column 19 is used for penetrating through a first through hole 37 and a second through hole 38 preset on a workpiece and is connected with the first through hole 37 and the second through hole 38 in a matching manner. .
In other embodiments, the limiting device 5 further includes a first positioning column 18, a second positioning column 19 and a stamping tool 20, as shown in fig. 2, the stamping tool 20 is fixed above the base 1, the stamping tool 20 is located between the first male die assembly 2 and the second male die assembly 3, and the first positioning column 18 and the second positioning column 19 may be vertically disposed above the top surface of the stamping tool 20. The top surface of the stamping tool 20 is matched with the middle plane of the bottom surface of the workpiece, and the left side surface and the right side surface of the stamping tool 20 are respectively matched with the left side and the right side of the bottom surface of the workpiece. When a workpiece is placed downwards in the shaft pin punching device, the first positioning column 18 and the second positioning column 19 penetrate through a first through hole 37 and a second through hole 38 preset in the workpiece, and the upper ends of the first positioning column 18 and the second positioning column 19 are mutually buckled with the first through hole 37 and the second through hole 38; the bottom surface of the workpiece is connected with the top surface and the left and right side surfaces of the stamping tool 20 in a matched mode, the workpiece is further buckled on the stamping tool 20, and the workpiece is limited between the first male die component 2 and the second male die component 3.
Referring to fig. 2, in another embodiment of the present invention, the stamping tool 20 includes a first punching concave die 21 and a second punching concave die 22, the first punching concave die 21 is disposed on a side surface of the stamping tool 20 in a direction close to the first convex die assembly 2, the second punching concave die 22 is disposed on a side surface of the stamping tool 20 in a direction close to the second convex die assembly 3, and a coaxiality is set between the first punching concave die 21 and the second punching concave die 22.
In other embodiments, as shown in fig. 2, a first punching concave die 21 is concavely arranged on the left side surface of the punching tool 20 towards the right side, the position of the first punching concave die 21 matches with the position to be punched on the left side of the workpiece shaft pin, a second punching concave die 22 is concavely arranged on the right side surface of the punching tool 20 towards the left side, the position of the second punching concave die 22 matches with the position to be punched on the right side of the workpiece shaft pin, and the first punching concave die 21 and the second punching concave die 22 are arranged in the same axial direction.
Referring to fig. 4, in other embodiments of the present invention, the first male die assembly 2 further includes a first sliding block 23 and a first sliding sleeve 24, the first sliding sleeve 24 is fixedly installed between the stamping tool 20 and the first cylinder 12, the first punch 6 is fixedly disposed at one end of the first sliding block 23, the first punch 6 is matched with the first punching die 21, the first sliding block 23 is slidably connected in the first sliding sleeve 24 along the length direction of the first punch 6, and the other end of the first sliding block 23 is fixedly connected with the first cylinder 12; the second male die assembly 3 further comprises a second sliding block 25 and a second sliding sleeve 26, the second sliding sleeve 26 is fixedly installed between the punching tool 20 and the second air cylinder 13, the second punch 7 is fixedly arranged at one end of the second sliding block 25, the second punch 7 is matched with the second punching female die 22, the second sliding block 25 is slidably connected in the second sliding sleeve 26 along the length direction of the second punch 7, and the other end of the second sliding block 25 is fixedly connected with the second air cylinder 13.
In other embodiments, as shown in fig. 4, the left side is the first punch assembly 2, the right side is the 2 nd punch assembly, the first punch assembly 2 is externally provided with a first sliding sleeve 24, the first sliding sleeve 24 is fixedly installed between the punching tool 20 and the first cylinder 12 and is connected with the base 1 at the bottom thereof, the first sliding sleeve 24 is of a hollow structure in the left-right direction, the first sliding sleeve 24 is of an open design in the left-right side, a first sliding block 23 is arranged at the left side in the first sliding sleeve 24, the first sliding block 23 can slide between two openings from the first sliding sleeve 24, the left end of the first sliding block 23 is connected with the right end of the first cylinder 12 through a fastening device, the left end of the first punch 6 is connected with the right end of the first sliding block 23, the right end of the first punch 6 is matched with the first punching die 21, a design in which the cross section of the first punch 6 is smaller than that of the first sliding block 23 can be adopted, a first cavity is arranged between, the first cavity can be provided with a first polyurethane 34, the left end of the first polyurethane 34 is connected to the first slide block 23, and the first polyurethane 34 is sleeved outside the first punch 6. The second male die assembly 3 is externally provided with a second sliding sleeve 26, and the second sliding sleeve 26 is fixedly installed between the stamping tool 20 and the second cylinder 13 and is connected with the base 1 at the bottom thereof. As shown in fig. 4, the second sliding sleeve 26 is a hollow structure in the left-right direction, the second sliding sleeve 26 is designed with an opening on the left side and the right side, the second slider 25 is disposed on the right side in the second sliding sleeve 26, the second slider 25 can slide between two openings of the second sliding sleeve 26, the right end of the second slider 25 can be connected with the left end of the second cylinder 13 through a fastening device, the right end of the second punch 7 is connected with the left end of the second slider 25, the left end of the second punch 7 is matched with the second punching die 22, a second cavity can be disposed between the second punch 7 and the second sliding sleeve 26, a second polyurethane 35 can be installed in the second cavity, the right end of the second polyurethane 35 is connected to the second slider 25, and the second polyurethane 35 is sleeved outside the second punch 7. The installation of the polyurethane structure can retain waste materials at a punching position when the punch head is withdrawn, and the waste materials cannot enter the male die assembly along with the punch head to influence the next punching operation.
Referring to fig. 3, in another embodiment of the present invention, the limiting device 5 further includes a pressing device, the pressing device includes a pressing rod, a first connecting rod 27, a second connecting rod 28 and an adjusting component 29, one end of the first connecting rod 27 is connected to the base 1, the other end of the first connecting rod 27 is connected to one end of the second connecting rod 28 through the adjusting component 29, the adjusting component 29 is configured to adjust a position of the second connecting rod 28, one end of the pressing rod is a third connecting rod 31, the other end of the pressing rod is a pressing plate 33, the other end of the second connecting rod 28 is provided with a third through hole 32 for connecting the third connecting rod 31, and the pressing plate 33 is configured to connect a workpiece and press the workpiece between the first male die assembly 2 and the second male die assembly 3.
In other embodiments, the limiting device 5 may further be provided with a pressing device, and the pressing device includes a pressing rod, a first connecting rod 27, a second connecting rod 28 and an adjusting component 29. As shown in fig. 3, the lower end of the first connecting rod 27 can be fixedly connected to the base 1 by bolts, the adjusting component 29 is respectively connected to the upper end of the first connecting rod 27 and the right lower end of the second connecting rod 28, and the second connecting rod 28 is movably connected to the first connecting rod 27 by the adjusting component 29; the upper left end of the second connecting rod 28 is provided with a third through hole 32 in a penetrating manner, the lower left end of the material pressing rod is provided with a material pressing plate 33 matched with the workpiece, the upper right end of the material pressing rod is provided with a third connecting rod 31 capable of penetrating through the third through hole 32, and connecting nuts are arranged on two sides of the third through hole 32 on the third connecting rod 31. During operation, the second connecting rod 28 is pressed downwards through the adjusting part 29, the material pressing plate 33 is aligned to the middle concave part of the workpiece, the second connecting rod 28 is further pressed downwards to enable the workpiece to be pressed on the stamping tool 20, and the material pressing device can be designed to be manual or automatic according to dimensions. The pressing device is additionally arranged, so that a workpiece can be further pressed on the stamping tool 20, and the workpiece is further limited between the first male die assembly 2 and the second male die assembly 3.
The invention also provides a punching method, which adopts the shaft pin punching device and comprises the following steps: A1. placing the workpiece between the first male die assembly 2 and the second male die assembly 3, and fixing the workpiece through the limiting device 5; A2. and starting the driving device 4, and controlling the driving device 4 to push the first punch 6 and the second punch 7 to move towards the workpiece to realize punching.
In this embodiment, the specific structure of the shaft pin punching device in the punching method refers to the above embodiments, and since the punching method adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated here. The punching method is that a workpiece, particularly a filler cap mounting plate, is placed between a first male die assembly 2 and a second male die assembly 3, then the filler cap mounting plate is fixed between a first punch 6 and a second punch 7 through a limiting device 5, a switch of a driving device 4 is turned on, and the driving device 4 pushes the first punch 6 and the second punch 7 to move towards a first shaft pin hole 48 and a second shaft pin hole 49 of the filler cap mounting plate so as to punch. In other embodiments, the step of placing the article between the first punch assembly 2 and the second punch assembly 3, after fixing the article by the stop device 4, comprises: starting the pneumatic element, and controlling the pneumatic element to push the first punch 6 and the second punch 7 to move towards the workpiece; the first cylinder 12 and the second cylinder 13 are started through the air source controller 15, and the first cylinder 12 and the second cylinder 13 are controlled to push the first punch 6 and the second punch 7 to move towards the workpiece to realize punching. The driving device 4 adopts a pneumatic element, the pneumatic element comprises a first air cylinder 12 and a second air cylinder 13, the first air cylinder 12 drives the first punch 6 to punch a hole on one side of the manufactured part, and the pneumatic element drives the second punch 7 to punch a hole on the other side of the manufactured part. In other embodiments, the concave surface of the workpiece is placed downwards above the stamping tool 20, the first through hole 37 and the second through hole 38 are respectively aligned with the first positioning column 18 and the second positioning column 19, the workpiece is placed downwards on the stamping tool 20, the workpiece is fixed between the first punch 6 and the second punch 7 through the buckles between the upper ends of the first positioning column 18 and the second positioning column 19 and between the first through hole 37 and the second through hole 38 and between the left side surface and the right side surface and the upper side surface of the stamping tool 20 and the inner side surface of the workpiece, the pressure plate 33 is pressed on the concave position of the top surface of the workpiece through the adjusting part 29, and the adjusting part 29 is locked after the pressure plate is pressed. And then, a switch of the air source controller 15 is opened, an air source is connected and enters the first air cylinder 12 and the second air cylinder 13, the first air cylinder 12 and the second air cylinder 13 start to push the first sliding block 23 and the second sliding block 25 to move towards the direction of a workpiece through the piston rods under the action of a compressed air source, the first punch 6 and the second punch 7 punch holes at preset positions of the workpiece, and the first punch 6 and the second punch 7 respectively enter the first punching female die 21 and the second punching female die 22 after penetrating through the position of a shaft pin of the workpiece, so that the shaft pin punching work is completed. And fourthly, retreating, specifically, controlling the work of the air outlet pipe through a switch of the air source controller 15, enabling piston rods of the first air cylinder 12 and the second air cylinder 13 to move back to further drive the first punch 6 and the second punch 7 to return to the original positions, completing the retreating work of the first punch 6 and the second punch 7, then loosening the material pressing device, and taking out the workpiece.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a shaft pin punching device, its characterized in that, includes base, first terrace die subassembly, second terrace die subassembly, drive arrangement and stop device fixed mounting are on the base top surface, drive arrangement is connected with first terrace die subassembly and second terrace die subassembly respectively, stop device is used for making the finished piece spacing between first terrace die subassembly and second terrace die subassembly, first terrace die subassembly includes swing joint's first drift, second terrace die subassembly includes swing joint's second drift, first drift sets up with the second drift relatively.
2. The pin punch apparatus of claim 1, wherein the drive means comprises a pneumatic element connected at one end to an external air source and at the other end to the first punch assembly and the second punch assembly, respectively.
3. The shaft pin punching device according to claim 2, wherein the pneumatic element comprises a first air inlet pipe, a first air outlet pipe, a second air inlet pipe, a second air outlet pipe, a first air cylinder and a second air cylinder, one end of the first air inlet pipe, one end of the first air outlet pipe, one end of the second air inlet pipe and one end of the second air outlet pipe are respectively connected with an external air source, the other end of the first air inlet pipe and the other end of the first air outlet pipe are connected with the first air cylinder, and the other end of the second air inlet pipe and the other end of the second air outlet pipe are connected with the second; the first air cylinder is arranged at one end of the first male die assembly, which is far away from the second male die assembly, and the second air cylinder is arranged at one end of the second male die assembly, which is far away from the first male die assembly; the first male die assembly and the second male die assembly move relatively under the action of the first air cylinder and the second air cylinder.
4. The pin hole punching apparatus according to claim 3, wherein the pneumatic member further comprises a scavenging valve, a gas controller, a third gas inlet pipe and a third gas outlet pipe, one side of the gas controller is connected to an external gas source, the other side of the gas controller is connected to one end of the third gas inlet pipe and one end of the third gas outlet pipe, the other end of the third gas inlet pipe is connected to the first gas inlet pipe and the second gas inlet pipe through the scavenging valve, and the other end of the third gas outlet pipe is connected to the first gas outlet pipe and the second gas outlet pipe through the scavenging valve.
5. The axle pin punching device according to claim 1, wherein the limiting device further comprises a first positioning column, a second positioning column and a punching tool, the punching tool is fixedly arranged between the first male die assembly and the second male die assembly, and the punching tool is connected with the concave bottom surface of the workpiece in a matching manner; one end of the first positioning column and one end of the second positioning column are fixedly connected to the top surface of the stamping tool, and the other end of the first positioning column and the other end of the second positioning column are used for penetrating through a first through hole and a second through hole which are preset on a workpiece and are connected with the first through hole and the second through hole in a matched mode.
6. The axle pin punching device according to claim 5, wherein the punching tool comprises a first punching concave die and a second punching concave die, the first punching concave die is arranged on the side surface of the punching tool in the direction close to the first punch, the second punching concave die is arranged on the side surface of the punching tool in the direction close to the second punch, and the first punching concave die and the second punching concave die are arranged coaxially.
7. The axle pin punching device according to claim 6, wherein the first male die assembly further comprises a first sliding block and a first sliding sleeve, the first sliding sleeve is fixedly installed between the punching tool and the first air cylinder, the first punch is fixedly arranged at one end of the first sliding block, the first punch is matched with the first punching female die, the first sliding block is slidably connected in the first sliding sleeve along the length direction of the first punch, and the other end of the first sliding block is fixedly connected with the first air cylinder; the second male die assembly further comprises a second sliding block and a second sliding sleeve, the second sliding sleeve is fixedly installed between the stamping tool and the second air cylinder, the second punch is fixedly arranged at one end of the second sliding block, the second punch is matched with the second punching female die, the second sliding block is connected in the second sliding sleeve in a sliding mode along the length direction of the second punch, and the other end of the second sliding block is fixedly connected with the second air cylinder.
8. The pin punching device according to claim 5, wherein the limiting device further comprises a pressing device, the pressing device comprises a pressing rod, a first connecting rod, a second connecting rod and an adjusting part, one end of the first connecting rod is connected to the base, the other end of the first connecting rod is connected with one end of the second connecting rod through the adjusting part, and the adjusting rod is used for adjusting the position of the second connecting rod; the material pressing device is characterized in that one end of the material pressing rod is a third connecting rod, the other end of the material pressing rod is a material pressing plate, a third through hole for the third connecting rod to connect is formed in the other end of the second connecting rod, and the material pressing plate is used for connecting a workpiece and pressing the workpiece between the first male die assembly and the second male die assembly.
9. A punching method, characterized in that the punching method employs the shaft pin punching apparatus according to any one of claims 1 to 8, the punching method comprising the steps of:
placing the workpiece between the first male die assembly and the second male die assembly, and fixing the workpiece through the limiting device;
and starting the driving device, and controlling the driving device to push the first punch and the second punch to move towards the workpiece so as to realize punching.
10. The punching method of claim 9, wherein the article is placed between the first punch assembly and the second punch assembly, and the step after the article is secured by the retainer device comprises:
starting the pneumatic element, and controlling the pneumatic element to push the first punch and the second punch to move towards the workpiece;
the first cylinder and the second cylinder are started through the air source controller, and the first cylinder and the second cylinder are controlled to push the first punch and the second punch to move towards the workpiece direction so as to realize punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011435522.6A CN112692158A (en) | 2020-12-09 | 2020-12-09 | Shaft pin punching device and punching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011435522.6A CN112692158A (en) | 2020-12-09 | 2020-12-09 | Shaft pin punching device and punching method |
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| Publication Number | Publication Date |
|---|---|
| CN112692158A true CN112692158A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011435522.6A Pending CN112692158A (en) | 2020-12-09 | 2020-12-09 | Shaft pin punching device and punching method |
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| Country | Link |
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| CN (1) | CN112692158A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748376A (en) * | 2023-08-16 | 2023-09-15 | 兴化市华成机械制造有限公司 | Automatic punching equipment for cement machinery manufacturing parts |
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| US20040169069A1 (en) * | 2003-01-14 | 2004-09-02 | Giogio Ostini | Punching machine |
| CN202162259U (en) * | 2011-06-28 | 2012-03-14 | 长城汽车股份有限公司 | Stamping die provided with concentric hole |
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| CN116748376A (en) * | 2023-08-16 | 2023-09-15 | 兴化市华成机械制造有限公司 | Automatic punching equipment for cement machinery manufacturing parts |
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