CN106903515B - Full-automatic three-point stamping equipment for circular tube parts - Google Patents
Full-automatic three-point stamping equipment for circular tube parts Download PDFInfo
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- CN106903515B CN106903515B CN201710247804.5A CN201710247804A CN106903515B CN 106903515 B CN106903515 B CN 106903515B CN 201710247804 A CN201710247804 A CN 201710247804A CN 106903515 B CN106903515 B CN 106903515B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/12—Trimming or finishing edges, e.g. deburring welded corners
- B23C3/126—Portable devices or machines for chamfering edges
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- Optics & Photonics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the technical field of machining, in particular to a full-automatic three-point punching device for circular tube parts, which comprises a bottom plate and a vibrating disc arranged on the outer side of the bottom plate, wherein an index plate is arranged in the middle of the bottom plate, a feeding mechanism, a rotating mechanism, a punching mechanism, a chamfering mechanism and a discharging mechanism are sequentially arranged on the index plate in the circumferential direction, a linear oscillator, a guide slide rail and a part limiting block are arranged in the vibrating disc, the guide slide rail is connected with the feeding mechanism, the feeding mechanism is connected with the index plate, the rotating mechanism is arranged on the lower side, close to the feeding mechanism, of the index plate, the rotating mechanism is arranged on one side of the punching mechanism, the chamfering mechanism is arranged on one side, close to the punching mechanism, the discharging mechanism is arranged on the upper side, close to the chamfering mechanism, automatic punching and chamfering are realized, the production efficiency is high, the labor is reduced, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of machining, in particular to full-automatic three-point punching equipment for circular tube parts.
Background
At present, the existing stamping mode of a company is to manually take and place parts, a cylinder is used for stamping, the end part of an inner hole of the part with a stamping convex point has certain deformation, a bench drill is needed for chamfering, and the inner diameter meets the requirement of a drawing. The method has the main defects of high labor intensity, low production efficiency and low automation degree; the requirement of high quality and low cost of customers is met, the common semi-automatic mechanism wastes time and labor, and the production efficiency cannot meet the requirement of the customers. Therefore, the company decides to research and develop a full-automatic bump stamping device, realizes the stamping and inner hole chamfering of the part bumps, ensures that the sizes of the bumps meet the requirements of drawings, and ensures that the inner hole is qualified according to the standard. The equipment is provided with a photoelectric switch, a magnetic switch and an optical fiber sensor, so that the safety and the reliability of the automatic production process are ensured.
Disclosure of Invention
The invention aims to provide a full-automatic three-point punching device for round pipe parts, which aims to solve the problems that in the prior art, the labor intensity is high, the production efficiency is low, the automation degree is low, the production efficiency cannot meet the requirements of customers, and the use effect is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the full-automatic three-point punching equipment for the circular tube parts comprises a bottom plate and a vibrating disc arranged on the outer side of the bottom plate, wherein an index plate is arranged in the middle of the bottom plate, a feeding mechanism, a rotating mechanism, a punching mechanism, a chamfering mechanism and a discharging mechanism are sequentially arranged in the circumferential direction of the index plate, a linear oscillator, a guide slide rail and a part limiting block are arranged in the vibrating disc, the guide slide rail is connected with the feeding mechanism, the feeding mechanism is connected with the index plate, the rotating mechanism is arranged on the lower side, close to the feeding mechanism, of the index plate and comprises a flat cable support arranged on the bottom plate, a second upper air cylinder and a second lower air cylinder are arranged on the upper portion of the flat cable support, a rotating air claw and a servo motor are arranged on the second upper air cylinder and the second lower air cylinder, a driving shaft of the servo motor is connected with the rotating air claw, the rotating air claw is connected with the feeding mechanism, and the rotating mechanism is arranged on one side of the punching mechanism;
the stamping mechanism comprises a positioning cylinder arranged on a bottom plate, a stamping cylinder supporting plate is arranged on the upper portion of the positioning cylinder, stamping cylinders are arranged on two sides of the upper portion of the stamping cylinder supporting plate, a pressure point die is arranged between the two stamping cylinders, the pressure point die is connected with an index plate, the positioning cylinder is connected with the pressure point die, four supporting columns are further arranged on the stamping cylinder supporting plate, long lifting cylinder fixing plates are movably arranged on the upper portions of the side walls of the four supporting columns, short lifting cylinder fixing plates are arranged at the tops of the four supporting columns, short lifting cylinders are arranged on the upper portions of the short lifting cylinder fixing plates, the short lifting cylinders are connected with the long lifting cylinder fixing plates, long lifting cylinders are arranged on the lower surfaces of the long lifting cylinder fixing plates, close to the tops of the pressure point die, two communicated mounting holes are formed in the long lifting cylinder fixing plates and the short lifting cylinder fixing plates, guide columns are inserted into the mounting holes, the bottoms of the two guide columns are connected with the long lifting cylinders, and bearings are arranged on the guide columns and the short lifting cylinder fixing plates;
the chamfering mechanism is installed on one side, close to the punching mechanism, of the dividing plate, the chamfering mechanism comprises a base arranged on a bottom plate, a sliding table is arranged on the base, a motor is arranged on the sliding table, a chamfering tool is installed on a driving shaft of the motor and connected with the dividing plate, an unloading mechanism is installed on the upper side, close to the chamfering mechanism, of the dividing plate, and the air cylinder and the mechanism work under the electrical control of a PLC.
Preferably, feed mechanism includes the horizontal support board, the downside mid-mounting of horizontal support board has the vertical support board, the vertical support board is kept away from one side of horizontal support board and is installed on the bottom plate, be provided with the slide rail on the horizontal support board, be provided with the slider in the slide rail, the downside of slide rail is provided with the horizontal rodless cylinder that is used for driving the slider, install first upper and lower cylinder on the slider, be provided with the gas claw connecting plate on the first upper and lower cylinder, the first clamping jaw is installed to one side that first upper and lower cylinder was kept away from to the gas claw connecting plate, first clamping jaw is connected with rotary mechanism.
Preferably, the unloading mechanism and the feeding mechanism have the same structure.
Preferably, the pressure point mould is including setting up the dabber guide holder in the punching press cylinder backup pad, the mid-mounting of dabber guide holder has the dabber, the bottom and the location cylinder of dabber are connected, dabber guide holder circumference is provided with at least three drift seat, the drift is installed to the one end of drift seat, the one end that the drift was kept away from the drift seat is provided with the drift guide block, the one end and the spindle connection of drift are kept away from to the drift guide block, the upper portion of dabber guide holder still is provided with the part seat, the part seat is located the downside of drift guide block.
Preferably, the sliding table consists of an X axis, a Y axis and a Z axis, the Z axis is in the vertical direction, the Y axis is in the horizontal direction, and the X axis is respectively perpendicular to the Y axis and the Z axis.
The invention provides a full-automatic three-point punching device for circular tube parts, which has the beneficial effects that: through electrical control system, through PLC control material feeding unit, rotatory decollator, feed mechanism, punching press mechanism, rotary mechanism, XYZ triaxial chamfer mechanism shedding mechanism, guarantee the safe and reliable operation of equipment, realized automatic punching press and chamfer, production efficiency is high, reduces the manual work, has reduced manufacturing cost.
Drawings
FIG. 1 is an axonometric view of a full-automatic three-point punching device for round pipe parts, which is provided by the invention;
FIG. 2 is a structural plan view of the full-automatic three-point punching equipment for circular pipe parts, which is provided by the invention;
FIG. 3 is a schematic structural diagram of a feeding mechanism of the full-automatic three-point punching equipment for round pipe parts, which is provided by the invention;
FIG. 4 is a left side view of a feeding mechanism structure of the full-automatic three-point punching equipment for circular tube parts, which is provided by the invention;
FIG. 5 is a schematic view of a rotary structure of the full-automatic three-point punching equipment for circular tube parts, according to the present invention;
FIG. 6 is a left side view of a rotating structure of the full-automatic three-point punching equipment for circular pipe parts, which is provided by the invention;
FIG. 7 is a schematic structural diagram of a punching mechanism of the full-automatic three-point punching equipment for circular tube parts, which is provided by the invention;
FIG. 8 is a left side view of a stamping mechanism structure of the full-automatic three-point stamping equipment for round pipe parts, which is provided by the invention;
FIG. 9 is a schematic structural view of a chamfering mechanism of the full-automatic three-point punching equipment for circular pipe parts according to the present invention;
FIG. 10 is a structural top view of a chamfering mechanism of the full-automatic three-point punching equipment for circular pipe parts, which is provided by the invention;
FIG. 11 is a schematic structural view of a pressing point die of the full-automatic three-point punching equipment for circular tube parts according to the present invention;
fig. 12 is a top view of a pressing point die structure of the full-automatic three-point punching equipment for circular tube parts, which is provided by the invention.
In the figure: the device comprises a bottom plate 1, a vibrating disk 2, a feeding mechanism 3, a horizontal support plate 31, a slide rail 32, a horizontal rodless cylinder 33, a vertical support plate 34, a first clamping jaw 35, an air claw connecting plate 36, a first upper air cylinder 37, a first lower air cylinder 37, a slide block 38, a rotating mechanism 4, a second upper air cylinder 41, a second lower air cylinder 41, a flat cable support 42, a servo motor 43, a rotating air claw 44, a punching mechanism 5, a guide post 51, a bearing 52, a short lifting air cylinder fixing plate 53, a long lifting air cylinder fixing plate 54, a support post 55, a punching air cylinder 56, a punching air cylinder support plate 57, a positioning air cylinder 58, a pressure point die 59, a punch seat 591, a punch 592, a part seat 593, a mandrel guide seat 594, a mandrel 595, a punch guide block 596, a long lifting air cylinder 510, a second air claw 511, a short lifting air cylinder 512, a chamfering mechanism 6, a Z shaft 61, a guide rail 62, a motor 63, a Y shaft 64, an X shaft 65, an index disk 7 and a discharging mechanism 8.
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.
Referring to fig. 1-7, a full-automatic circular tube part three-point stamping device comprises a bottom plate 1 and a vibrating disc 2 arranged outside the bottom plate 1, wherein a dividing disc 7 is arranged in the middle of the bottom plate 1, a feeding mechanism 3, a rotating mechanism 4, a stamping mechanism 5, a chamfering mechanism 6 and a discharging mechanism 8 are sequentially arranged in the circumferential direction of the dividing disc 7, a linear oscillator, a guide slide rail and a part limiting block are arranged in the vibrating disc 2, the guide slide rail is connected with the feeding mechanism 3, the feeding mechanism 3 is connected with the dividing disc 7, the feeding mechanism 3 comprises a horizontal support plate 31, a vertical support plate 34 is arranged in the middle of the lower side of the horizontal support plate 31, one side, far away from the horizontal support plate 31, of the vertical support plate 34 is arranged on the bottom plate 1, a slide rail 32 is arranged on the horizontal support plate 31, a slide block 38 is arranged in the slide rail 32, a horizontal rodless cylinder 33 for driving the slide block 38 is arranged on the lower side of the slide rail 32, a first upper and lower cylinder 37 is arranged on the slide block 38, a gas claw connecting plate 36 is arranged on the first upper and lower cylinder 37, a first clamping jaw connecting plate 36 is arranged on one side, a first clamping jaw connecting plate 35 is arranged on one side, the first clamping jaw connecting plate, the side, the first clamping jaw 35 is connected with the rotating mechanism 8, and the same as the rotating mechanism 3.
The lower side of the dividing plate 7 close to the feeding mechanism 3 is provided with a rotating mechanism 4, the rotating mechanism 4 comprises a flat cable support 42 installed on the bottom plate 1, a second upper and lower air cylinder 41 is installed on the upper portion of the flat cable support 42, a rotating air claw 44 and a servo motor 43 are arranged on the second upper and lower air cylinder 41, a driving shaft of the servo motor 43 is connected with the rotating air claw 44, the rotating air claw 44 is connected with the feeding mechanism 3, and the rotating mechanism 4 is installed on one side of the punching mechanism 5.
The punching mechanism 5 comprises a positioning cylinder 58 arranged on the base plate 1, a punching cylinder support plate 57 is arranged on the upper portion of the positioning cylinder 58, the punching cylinders 56 are arranged on two sides of the upper portion of the punching cylinder support plate 57, a pressure point die 59 is arranged between the two punching cylinders 56, the pressure point die 59 comprises a mandrel guide seat 594 arranged on the punching cylinder support plate 57, a mandrel 595 is arranged in the middle of the mandrel guide seat 594, the bottom of the mandrel 595 is connected with the positioning cylinder 58, at least three punch seats 591 are circumferentially arranged on the mandrel guide seat 594, a punch 592 is arranged at one end of each punch seat 591, a punch guide block 596 is arranged at one end of each punch 592 far away from each punch seat 591, one end of each punch guide block 596 far away from each punch 592 is connected with the mandrel 595, a part seat 593 is further arranged on the upper portion of each mandrel guide seat 594, and the part seat 593 is located on the lower side of each punch guide block 596, the pressure point die 59 is connected with the index plate 7, the positioning cylinder 58 is connected with the pressure point die 59, four support columns 55 are further arranged on the stamping cylinder supporting plate 57, long lifting cylinder fixing plates 54 are movably mounted on the upper portions of the side walls of the four support columns 55, short lifting cylinder fixing plates 53 are mounted on the tops of the four support columns 55, short lifting cylinders 512 are arranged on the upper portions of the short lifting cylinder fixing plates 53, the short lifting cylinders 512 are connected with the long lifting cylinder fixing plates 54, long lifting cylinders 510 are arranged on the lower surfaces of the long lifting cylinder fixing plates 54 close to the tops of the pressure point die 59, two communicated mounting holes are formed in the long lifting cylinder fixing plates 54 and the short lifting cylinder fixing plates 53, guide columns 51 are inserted into the mounting holes, the bottoms of the two guide columns 51 are connected with the long lifting cylinders 510, and bearings 52 are arranged on the guide columns 51 and the short lifting cylinder fixing plates 53.
The working process is as follows: when the device is used, after an optical fiber at the front end of a vibration track in the vibration disc 2 senses a part, the direct vibration stops vibrating, a first upper air cylinder 37 and a first lower air cylinder 37 of the feeding mechanism 3 drive a first clamping jaw 35 to extend out to clamp the part, then the first upper air cylinder 37 and the first lower air cylinder 37 contract to take out the part, a horizontal rodless air cylinder 33 extends out to move the part to the position right above a clamping head of the dividing disc 7, the first upper air cylinder 37 and the first lower air cylinder 37 extend out to release the first clamping jaw 35 to place the part into the clamping head, then the first upper air cylinder 37 and the first lower air cylinder 37 retract to retract the horizontal rodless air cylinder 33 to continue the next circulating material taking and taking action, magnetic switches are arranged on the air cylinders and the air jaws to ensure that the stroke is in place, and the feeding mechanism stably and safely operates,
then the second up-down cylinder 41 on the rotating mechanism 4 extends out to drive the rotating air claw 44 to move to a part taking position, the chuck of the dividing plate 7 is loosened, the rotating air claw 44 is grasped tightly, then the second up-down cylinder 41 retracts to take out the part from the chuck on the dividing plate 7, the rotating air claw 44 is driven to rotate 180 degrees while the servo motor 43 rotates, the part is delivered into the second air claw 511 of the stamping mechanism 5, after the part is clamped by the second air claw 511, the positioning cylinder 58 extends out to eject the mandrel 595 of the pressure point die 59, the long lifting cylinder 510 extends out, the short lifting cylinder 512 extends out, the part is placed on the part seat 593 of the pressure point die 59, then the stamping cylinder 56 extends out to push the punch 592 to complete the punching of the convex point. After the punching is finished, the positioning cylinder 58 retracts, the short lifting cylinder 512 and the long lifting cylinder 510 sequentially retract, the punched part is placed in the indexing disc chuck again, the punched part with the convex points rotates to the chamfering mechanism 6 through the indexing disc 9, the part is moved to a set position through the three-shaft sliding table of the X shaft 65, the Y shaft 64 and the Z shaft 61, then the chamfering tool is driven by the motor 63 to chamfer the part, the deformation of the end part of the inner hole caused by punching the convex points is eliminated, and the inner diameter is guaranteed to be qualified.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a full-automatic pipe class part three-point stamping equipment, includes bottom plate (1) and sets up vibration dish (2) in bottom plate (1) outside, the mid-mounting of bottom plate (1) has graduated disk (7), feed mechanism (3), rotary mechanism (4), punching press mechanism (5), chamfer mechanism (6) and shedding mechanism (8), its characterized in that are installed in proper order to the circumference of graduated disk (7): a linear oscillator, a guide sliding rail and a part limiting block are arranged in the vibrating disc (2), the guide sliding rail is connected with a feeding mechanism (3), the feeding mechanism (3) is connected with an indexing disc (7), a rotating mechanism (4) is arranged on the lower side, close to the feeding mechanism (3), of the indexing disc (7), the rotating mechanism (4) comprises a wire arranging support (42) arranged on a bottom plate (1), a second upper and lower air cylinder (41) is arranged on the upper portion of the wire arranging support (42), a rotating air claw (44) and a servo motor (43) are arranged on the second upper and lower air cylinder (41), a driving shaft of the servo motor (43) is connected with the rotating air claw (44), the rotating air claw (44) is connected with the feeding mechanism (3), and the rotating mechanism (4) is arranged on one side of a stamping mechanism (5);
the stamping mechanism (5) comprises a positioning cylinder (58) arranged on the bottom plate (1), a stamping cylinder supporting plate (57) is installed on the upper portion of the positioning cylinder (58), stamping cylinders (56) are installed on two sides of the upper portion of the stamping cylinder supporting plate (57), a pressure point die (59) is installed between the two stamping cylinders (56), the pressure point die (59) is connected with the dividing plate (7), the positioning cylinder (58) is connected with the pressure point die (59), four supporting columns (55) are further arranged on the stamping cylinder supporting plate (57), a long lifting cylinder fixing plate (54) is movably installed on the upper portion of the side wall of each supporting column (55), a short lifting cylinder fixing plate (53) is installed on the top of each supporting column (55), a short lifting cylinder (512) is arranged on the upper portion of each short lifting cylinder fixing plate (53), the short lifting cylinder (512) is connected with the long lifting cylinder fixing plate (54), a long lifting cylinder (510) is arranged on the lower surface of the long lifting cylinder fixing plate (54) close to the top of the pressure point die (59), two lifting cylinders (51) are arranged on the long lifting cylinder fixing plate (54) and two lifting cylinder fixing plates (51) which are connected with guide holes, and two guide holes are formed in the two lifting cylinders (51) are inserted into the two guide holes, a bearing (52) is arranged between the guide column (51) and the short lifting cylinder fixing plate (53);
a chamfering mechanism (6) is installed on one side, close to the stamping mechanism (5), of the dividing plate (7), the chamfering mechanism (6) comprises a base arranged on the bottom plate (1), a sliding table is arranged on the base, a motor (63) is arranged on the sliding table, a chamfering cutter is installed on a driving shaft of the motor (63) and connected with the dividing plate (7), a discharging mechanism (8) is installed on the upper side, close to the chamfering mechanism (6), of the dividing plate (7), and the air cylinder and the mechanism are both controlled by a PLC (programmable logic controller) to work; the sliding table consists of an X axis (65), a Y axis (64) and a Z axis (61), the Z axis (61) is in the vertical direction, the Y axis (64) is in the horizontal direction, and the X axis (65) is respectively vertical to the Y axis (64) and the Z axis (61);
the feeding mechanism (3) comprises a horizontal supporting plate (31), a vertical supporting plate (34) is installed in the middle of the lower side of the horizontal supporting plate (31), one side, far away from the horizontal supporting plate (31), of the vertical supporting plate (34) is installed on the bottom plate (1), a sliding rail (32) is arranged on the horizontal supporting plate (31), a sliding block (38) is arranged in the sliding rail (32), a horizontal rodless cylinder (33) used for driving the sliding block (38) is arranged on the lower side of the sliding rail (32), a first upper cylinder and a second upper cylinder (37) are installed on the sliding block (38), an air claw connecting plate (36) is arranged on the first upper cylinder and the second upper cylinder (37), a first clamping jaw (35) is installed on one side, far away from the first upper cylinder and the second lower cylinder (37), of the air claw connecting plate (36), and the first clamping jaw (35) is connected with the rotating mechanism (4);
when the device is used, after an optical fiber at the front end of a vibration track in a vibration disc (2) senses a part, the vibration is stopped by direct vibration, a first upper air cylinder (37) and a first lower air cylinder (37) of a feeding mechanism (3) drive a first clamping jaw (35) to extend out to clamp the part, then the first upper air cylinder (37) and the first lower air cylinder (37) contract to take out the part, a horizontal rodless air cylinder (33) extends out to move the part to the position right above a chuck of a dividing disc 7, the first upper air cylinder (37) extends out, the first clamping jaw (35) is loosened to place the part into the chuck, then the first upper air cylinder (37) and the second upper air cylinder (37) retract, the horizontal rodless air cylinder (33) retracts to continue the next circulation material action, magnetic switches are arranged on the air cylinders and the air jaws, the stroke is ensured to be in place, and the feeding mechanism stably and safely operates; then a second upper air cylinder (41) and a second lower air cylinder (41) on the rotating mechanism (4) extend out to drive the rotating air claw (44) to move to a part taking position, a chuck of the dividing plate (7) is loosened, the rotating air claw (44) is tightly gripped, then the second upper air cylinder (41) and the second lower air cylinder (41) retract to take out the part from the chuck on the dividing plate (7), and then the servo motor (43) rotates and simultaneously drives the rotating air claw (44) to rotate 180 degrees to transfer the part to the punching mechanism (5).
2. The full-automatic three-point punching equipment for the circular tube parts, as claimed in claim 1, is characterized in that: the discharging mechanism (8) is the same as the feeding mechanism (3) in structure.
3. The full-automatic three-point punching equipment for the circular tube parts, as claimed in claim 1, is characterized in that: the pressure point die (59) comprises a mandrel guide seat (594) arranged on a punching cylinder support plate (57), a mandrel (595) is installed in the middle of the mandrel guide seat (594), the bottom of the mandrel (595) is connected with a positioning cylinder (58), at least three punch seats (591) are circumferentially arranged on the mandrel guide seat (594), a punch (592) is installed at one end of the punch seat (591), a punch guide block (596) is arranged at one end, away from the punch seat (591), of the punch (592), one end, away from the punch seat (592), of the punch guide block (596) is connected with the mandrel (595), a part seat (593) is further arranged on the upper portion of the mandrel guide seat (594), and the part seat (593) is located on the lower side of the punch guide block (596).
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CN201710247804.5A CN106903515B (en) | 2017-04-17 | 2017-04-17 | Full-automatic three-point stamping equipment for circular tube parts |
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CN201710247804.5A CN106903515B (en) | 2017-04-17 | 2017-04-17 | Full-automatic three-point stamping equipment for circular tube parts |
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CN106903515B true CN106903515B (en) | 2023-01-31 |
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CN111468954B (en) * | 2020-04-22 | 2024-05-31 | 罗信精密零件(上海)有限公司 | Full-automatic three-point stamping equipment for round pipe parts |
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