CN112916716A - Anti-deformation quick-change rolling punching head for high-speed punch press - Google Patents
Anti-deformation quick-change rolling punching head for high-speed punch press Download PDFInfo
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- CN112916716A CN112916716A CN202110239735.XA CN202110239735A CN112916716A CN 112916716 A CN112916716 A CN 112916716A CN 202110239735 A CN202110239735 A CN 202110239735A CN 112916716 A CN112916716 A CN 112916716A
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- limiting
- pressing plate
- plate
- upper die
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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
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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
- B21D37/14—Particular arrangements for handling and holding in place complete dies
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- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the field of high-speed punches, in particular to an anti-deformation quick-change rolling punching head for a high-speed punch. The device comprises an upper die base mechanism, a base plate mechanism, a quick-change mechanism, a pressing plate mechanism and a limiting mechanism; the base plate mechanism is fixedly arranged in the middle of the lower end of the upper die base mechanism through bolts. And the rod part of the quick-change mechanism penetrates through the middle parts of the upper die base mechanism and the base plate mechanism. The punching mechanism is characterized in that a plurality of groups of punching heads are arranged on the pressing plate mechanism, the punching heads are installed in the installation part of the pressing plate mechanism through springs, and the punching parts of the punching heads extend to the outside of the pressing plate mechanism. The punching head is installed in the installation part of the pressing plate mechanism through the spring, and can be prevented from driving the punching head to swing when the high-speed punching machine operates, so that the safety of the punching head is ensured, the replacement times of the punching head are reduced, and the operation cost of the high-speed punching machine is reduced.
Description
Technical Field
The invention belongs to the field of high-speed punches, and particularly relates to an anti-deformation quick-change rolling punching head for a high-speed punch.
Background
The high-speed punch press is a punching press machine, is processed and manufactured by adopting integrated special cast iron alloy, and has high rigidity, shock resistance and high precision.
Punching is a common process for high speed punches. In the actual production process, when stamping parts with different punching sizes are needed, a die needs to be opened, an original punch is detached, and the original punch is replaced by a punch with the needed size. This kind of traditional drift switching method is comparatively loaded down with trivial details, can greatly reduce production efficiency.
The quick-change punching head in the prior art can not ensure the stability of the working punch after switching the punching head, so that the punching head shakes in the mounting hole, the punching head can be damaged or deformed for a long time, and the running cost of the high-speed punching machine is increased.
Disclosure of Invention
Aiming at the problems, the invention provides an anti-deformation quick-change rolling punching head for a high-speed punch press, which comprises an upper die base mechanism, a base plate mechanism, a quick-change mechanism, a pressing plate mechanism and a limiting mechanism, wherein the base plate mechanism is arranged on the upper die base mechanism; the base plate mechanism is fixedly arranged in the middle of the lower end of the upper die base mechanism;
the quick-change mechanism comprises a rotary rod; the lower end of the rotating rod is fixedly provided with a limiting block, and two sides of the limiting block in the length direction are symmetrically provided with protrusions which are in a sawtooth shape; the rotary rod penetrates through the middle parts of the upper die base mechanism and the base plate mechanism; the limiting block is fixedly arranged in the mounting part of the pressing plate mechanism;
the pressing plate mechanism is slidably arranged in a sliding part at the lower end of the base plate mechanism, and the pressing plate mechanism is superposed with the central axis of the rotary rod; the pressing plate mechanism is provided with a plurality of groups of punching heads, the punching heads are installed in the installation part of the pressing plate mechanism through springs, and the punching parts of the punching heads extend to the outside of the shell of the pressing plate mechanism;
the shell of the limiting mechanism is fixedly arranged at the lower end of the upper die base mechanism, and the central axis of the shell of the limiting mechanism is superposed with the central axis of the shell of the upper die base mechanism; and a plurality of groups of balls are arranged between the pressing plate mechanism and the limiting mechanism.
Further, the upper die base mechanism comprises an upper die base;
the upper die holder is of a cylindrical structure, and a cylindrical protrusion is arranged in the middle of the upper end of the upper die holder; the middle part of the upper die holder is provided with a first mounting hole;
a dial gauge is fixedly arranged on the edge of the upper end of the cylindrical bulge of the upper die base; the lower end of the upper die holder, which is close to the first mounting hole, is provided with a plurality of groups of first internal thread holes, and the first internal thread holes are distributed in an annular array by using the central axis of the first mounting hole;
the lower end of the upper die base, which is close to the edge, is provided with a plurality of groups of second internal thread holes, and the second internal thread holes are distributed in an annular array by using the central axis of the upper die base.
Further, the backing plate mechanism comprises an installation part and a punch switching part;
the installation department and drift switching part are cylindric structure, the installation department is located the lower extreme middle part of drift switching part, just the axis of installation department with the axis coincidence of drift switching part.
Further, the mounting portion includes a backing plate boss; a second mounting hole is formed in the middle of the base plate boss and penetrates through the punch switching part;
the backing plate boss is close to the edge and has seted up a plurality of groups third mounting hole, a plurality of groups the third mounting hole with the axis of backing plate boss is the annular array form and distributes, a plurality of groups the third mounting hole runs through the backing plate boss with drift switching part.
Further, the punch switching part includes a backing plate;
the base plate boss is fixedly arranged in the middle of the lower end of the base plate, a working area with the height consistent with that of the base plate boss is arranged at the lower end of the base plate, transition areas are respectively arranged on two sides of the working area, and an idle area is arranged on one side of each of the two groups of the transition areas, which is far away from the working area;
the idle section and the backing plate are located on the same horizontal line, the transition section gradually rises from the idle section to the working section, and the transition section smoothly connects the idle section and the working section.
Furthermore, the quick-change mechanism also comprises a scale needle;
the scale needle is detachably mounted at the upper end of the rotary rod, and the scale needle is matched with the dial gauge.
Further, the pressing plate mechanism comprises an upper pressing plate part and a lower pressing plate part;
the upper pressing plate part and the lower pressing plate part are both of cylindrical structures, the lower pressing plate part is arranged at the upper end of the upper pressing plate, and the central axes of the upper pressing plate part and the lower pressing plate part are overlapped.
Further, the upper pressing plate portion includes a pressing plate;
a groove is formed in the middle of the upper end of the pressing plate, and the boss of the base plate is slidably mounted in the groove; the lower end of the pressing plate is close to the edge and provided with a plurality of groups of upper ball grooves, the upper ball grooves are distributed in an annular array mode with the central axis of the pressing plate, and the balls are installed in the upper ball grooves.
Further, the lower platen portion includes a platen boss;
a plurality of groups of through holes are arranged on the pressure plate boss close to the edge, and the through holes are distributed in an annular array shape; the upper end of the pressing plate boss is provided with a plurality of groups of limiting holes, the limiting holes are communicated with the through holes, and the inner diameter of each limiting hole is larger than that of each through hole;
the joint of the limiting hole and the through hole forms a limiting table, the upper end of the punching head is mounted in the limiting hole through a spring, and the lower end of the punching head penetrates through the through hole to the outside of the pressing plate boss;
a limiting groove is formed in the middle of the upper end of the pressing plate boss and is rectangular, and two sides of the limiting groove in the length direction are provided with recesses which are of a sawtooth-shaped structure; the limiting block is arranged in the limiting groove.
Further, the limiting mechanism comprises a limiting plate;
the limiting plate is provided with a plurality of groups of fourth mounting holes, and the plurality of groups of fourth mounting holes are distributed in an annular array around the central axis of the limiting plate; a bolt penetrates through the fourth mounting hole to fixedly mount the limiting plate at the lower end of the upper die holder;
a fifth mounting hole is formed in the middle of the lower end of the limiting plate, the pressing plate boss is mounted in the fifth mounting hole, and the lower end of the pressing plate boss extends out of the limiting plate;
the middle part of the upper end of the limiting plate is provided with a mounting groove, the mounting groove is communicated with the fifth mounting hole, the inner diameter of the mounting groove is larger than that of the fifth mounting hole, the mounting groove is overlapped with the central axis of the fifth mounting hole, and the pressing plate is slidably mounted in the mounting groove;
and a plurality of groups of lower ball grooves are formed in the limiting plate and close to the periphery of the upper opening of the fifth mounting hole, and the balls are mounted in the lower ball grooves.
The invention has the beneficial effects that:
1. the outer wall of the limiting block and the inner wall of the limiting groove are provided with the sawtooth-shaped protrusions, so that the limiting groove and the rotary rod cannot move along with the operation of the high-speed punch press, the stability of the punching head is ensured, and the phenomenon that the punching head is deformed or generates other adverse effects due to the fact that the punching head shakes for a long time is avoided. Thereby prolonging the service life of the punching head and reducing the operation cost of the high-speed punching machine.
2. By arranging a graduated needle and a graduated disk. When the punching head is replaced, whether the punching head is completely positioned below the working interval is determined according to the pointing direction of the scale needle on the dial. The accuracy of changing the punch is improved, and therefore the working precision of the high-speed punch is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 shows a front view structural schematic according to an embodiment of the invention;
FIG. 2 shows a schematic cross-sectional structural view according to an embodiment of the present invention;
FIG. 3 shows a schematic cross-sectional view of a structural die holder mechanism according to an embodiment of the present invention;
FIG. 4 shows a schematic diagram of a spacer block configuration according to an embodiment of the invention;
fig. 5 shows a schematic structural diagram of a quick-change mechanism according to an embodiment of the invention;
FIG. 6 is a schematic bottom view of a platen mechanism according to an embodiment of the present invention;
FIG. 7 illustrates a schematic top view of a platen mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a spacing mechanism according to an embodiment of the invention;
FIG. 9 is an enlarged structural diagram of the A-ring according to the embodiment of the invention
In the figure: 1. an upper die holder mechanism; 2. a backing plate mechanism; 3. a quick-change mechanism; 4. a platen mechanism; 5. a punching head; 6. a limiting mechanism; 7. a ball bearing; 8. an upper die holder; 9. a first mounting hole; 10. a dial gauge; 11. a first internally threaded bore; 12. a second internally threaded bore; 13. a base plate; 14. a base plate boss; 15. a second mounting hole; 16. a third mounting hole; 17. an idle interval; 18. a working interval; 19. a transition interval; 20. rotating the rod; 21. a scale needle; 22. a limiting block; 23. a protrusion; 24. pressing a plate; 25. an upper ball groove; 26. pressing a boss of the plate; 27. a through hole; 28. a groove; 29. a limiting hole; 30. a limiting table; 31. a limiting groove; 32. recessing; 33. a limiting plate; 34. a fourth mounting hole; 35. a fifth mounting hole; 36. mounting grooves; 37. and (4) a lower ball groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The embodiment of the invention provides an anti-deformation quick-change rolling punching head for a high-speed punch press, which comprises an upper die base mechanism 1, a base plate mechanism 2, a quick-change mechanism 3, a pressing plate mechanism 4 and a limiting mechanism 6; illustratively, as shown in fig. 1 and 2, the backing plate mechanism 2 is fixedly mounted at the middle of the lower end of the upper die base mechanism 1 by bolts. The rod part of the quick-change mechanism 3 penetrates through the middle parts of the upper die seat mechanism 1 and the base plate mechanism 2.
The pressing plate mechanism 4 is slidably mounted in a sliding part at the lower end of the backing plate mechanism 2, and the pressing plate mechanism 4 coincides with the central axis of the quick-change mechanism 3. Be provided with a plurality of groups of punching head 5 on the clamp plate mechanism 4, punching head 5 passes through the spring mounting in the installation department of clamp plate mechanism 4, the portion of punching a hole of punching head 5 extends to the casing outside of clamp plate mechanism 4.
The shell of the limiting mechanism 6 is fixedly installed at the lower end of the upper die holder mechanism 1 through a bolt, and the central axis of the shell of the limiting mechanism 6 coincides with the central axis of the shell of the upper die holder mechanism 1. A plurality of groups of balls 7 are arranged between the pressing plate mechanism 4 and the limiting mechanism 6.
Through the rotation the upper end of quick change mechanism 3 drives pressure plate mechanism 4 rolls to drive piercing head 5 rolls, works as backing plate mechanism 2's bulge extrusion during piercing head 5, is extruded the one end distance is stretched out to the lower extreme of piercing head 5, thereby realizes the fast switch-over to piercing head 5.
The punching head 5 is installed in the installation part of the pressing plate mechanism 4 through a spring, and can prevent the high-speed punch from driving the punching head 5 to swing, so that the safety of the punching head 5 is ensured, the replacement times of the punching head 5 are reduced, and the operation cost of the high-speed punch is reduced.
The upper die holder mechanism 1 comprises an upper die holder 8; for example, as shown in fig. 3, the upper die holder 8 is cylindrical, and a cylindrical protrusion is disposed in the middle of the upper end of the upper die holder 8. A first mounting hole 9 is formed in the middle of the upper die holder 8, and a rod part of the quick-change mechanism 3 is slidably mounted in the first mounting hole 9.
And a dial gauge 10 is fixedly arranged on the edge of the cylindrical upper end of the upper die holder 8. A plurality of groups of first internal thread holes 11 are formed in the lower end, close to the first mounting hole 9, of the upper die base 8, and the first internal thread holes 11 are distributed in an annular array mode through the central axis of the first mounting hole 9. The lower end of the upper die base 8 close to the edge is provided with a plurality of groups of second internal thread holes 12, and the second internal thread holes 12 are distributed in an annular array mode through the central axis of the upper die base 8.
The backing plate mechanism 2 is fixedly arranged at the lower end of the upper die holder 8 through a bolt, and a thread part of the bolt is in threaded connection with the first internal thread hole 11; the limiting mechanism 6 is fixedly installed at the lower end of the upper die holder 8 through a bolt, and a threaded part of the bolt is in threaded connection with the second internal threaded hole 12; and the base plate mechanism 2 is positioned above the limiting mechanism 6.
The backing plate mechanism 2 comprises a backing plate 13 and a backing plate boss 14; illustratively, as shown in fig. 4, the backing plate 13 and the backing plate boss 14 are both cylindrical structures, the backing plate boss 14 is disposed in the middle of the upper end of the backing plate 13, and the backing plate 13 and the backing plate boss 14 are integrally formed.
A second mounting hole 15 is formed in the middle of the backing plate boss 14, the second mounting hole 15 penetrates through the backing plate boss 14 and the backing plate 13, and the rod part of the quick-change mechanism 3 is slidably mounted in the second mounting hole 15.
Backing plate boss 14 is close to the edge and has seted up a plurality of groups third mounting hole 16, a plurality of groups third mounting hole 16 with backing plate boss 14's axis is the annular array form and distributes, a plurality of groups third mounting hole 16 runs through backing plate boss 14 with backing plate 13, the bolt runs through third mounting hole 16 will backing plate boss 14 with backing plate 13 fixed mounting be in the lower extreme of upper die base 8.
The lower extreme of backing plate 13 be provided with the work interval 18 of 14 highly coincidences of backing plate boss, the both sides of work interval 18 are provided with transition interval 19 respectively, and are two sets of transition interval 19 keeps away from one side of work interval 18 is provided with idle interval 17, idle interval 17 with backing plate 13 is located same horizontal plane, transition interval 19 is followed idle interval 17 is arrived work interval 18 risees gradually, transition interval 19 will idle interval 17 with the smooth connection of work interval 18 is in the same place.
When the punching head 5 needs to be replaced, the quick-change mechanism 3 is rotated, the quick-change mechanism 3 drives the pressing plate mechanism 4 to roll and switch the required punching head 5 to the position below the working interval 18, and at the moment, the punching end of the punching head 5 is longer than the punching head 5 positioned below the idle interval 17.
The quick-change mechanism 3 comprises a rotary rod 20, a scale needle 21 and a limiting block 22; illustratively, as shown in fig. 5, the rotating rod 20 has a cylindrical structure, and the scale needle 21 is disposed at the upper end of the rotating rod 20; stopper 22 fixed mounting be in the lower extreme of swing arm 20, stopper 22 length direction's bilateral symmetry is provided with arch 23, arch 23 is the sawtooth structure.
The rotating rod 20 is slidably mounted in the first mounting hole 9 and the second mounting hole 15, the scale needle 21 is matched with the dial gauge 10, and the limiting block 22 is mounted in the limiting part of the pressing plate mechanism 4.
The graduated needle 21 is matched with the graduated scale 10 to ensure that the replaced punching head 5 is positioned right below the working interval 18. Stopper 22 length direction's both sides set up cockscomb structure 23, prevent that swing rod 20 rocks when high-speed punch moves, drives punching head 5 on the pressure plate mechanism 4 rocks, avoids the punching head 5 of being worked to rock to avoid causing the damage to punching head 5.
The pressing plate mechanism 4 comprises a pressing plate 24 and a pressing plate boss 26; for example, as shown in fig. 6 and 7, the pressing plate 24 is cylindrical, a plurality of groups of upper ball grooves 25 are formed in the lower end of the pressing plate 24 near the edge, the plurality of groups of upper ball grooves 25 are distributed at the lower end of the pressing plate 24 in an annular array, and the balls 7 are mounted in the upper ball grooves 25.
The pressing plate boss 26 is arranged in the middle of the lower end of the pressing plate 24, and the pressing plate 24 and the pressing plate boss 26 are integrally formed. The pressing plate boss 26 is provided with a plurality of groups of through holes 27 near the edge, and the through holes 27 are distributed in an annular array shape with the central axis of the pressing plate boss 26.
A groove 28 is formed in the pressing plate 24, and the backing plate 13 is slidably mounted in the groove 28. The upper end of the pressing plate boss 26 is provided with a plurality of groups of limiting holes 29, the limiting holes 29 are communicated with the through holes 27, the inner diameter of each limiting hole 29 is larger than that of each through hole 27, and the limiting holes 29 coincide with the central axis of the through holes 27.
The limiting hole 29 and the through hole 27 are connected to form a limiting table 30, the upper end of the punching head 5 is mounted in the limiting hole 29 through a spring, the limiting table 30 limits the punching head 5, and the lower end of the punching head 5 penetrates through the through hole 27 to the outside of the pressing plate boss 26.
Limiting groove 31 has been seted up at the upper end middle part of clamp plate boss 26, limiting groove 31 is the rectangle, limiting groove 31's length direction's both sides are equipped with sunken 32, sunken 32 is the sawtooth configuration.
Backing plate 13 slidable mounting be in the recess 28, stopper 22 is installed in spacing groove 31, the spring has been cup jointed to the upper end of piercing head 5, the upper end of piercing head 5 is installed in spacing hole 29, the lower extreme of piercing head 5 runs through to through-hole 27 the outside of clamp plate boss 26. The rotating rod 20 is rotated to drive the pressing plate 24 and the pressing plate boss 26 to roll at the upper end of the limiting mechanism 6, so that the punching head 5 to be used is replaced.
The limiting mechanism 6 comprises a limiting plate 33; for example, as shown in fig. 8 and 9, the limiting plate 33 is provided with a plurality of groups of fourth mounting holes 34, the plurality of groups of fourth mounting holes 34 are distributed in an annular array with the limiting plate 33, and bolts penetrate through the fourth mounting holes 34 to fixedly mount the limiting plate 33 at the lower end of the upper die holder 8.
A fifth mounting hole 35 is formed in the middle of the lower end of the limiting plate 33, the pressing plate boss 26 is mounted in the fifth mounting hole 35, and the lower end of the pressing plate boss 26 extends out of the limiting plate 33. Mounting groove 36 has been seted up at the upper end middle part of limiting plate 33, mounting groove 36 with fifth mounting hole 35 communicates, the internal diameter of mounting groove 36 is greater than the internal diameter of fifth mounting hole 35, just mounting groove 36 with the axis coincidence of fifth mounting hole 35, clamp plate 24 slidable mounting be in mounting groove 36.
A plurality of groups of lower ball grooves 37 are formed in the limiting plate 33 and close to the periphery of the upper opening of the fifth mounting hole 35, and the balls 7 are mounted in the lower ball grooves 37.
The working principle is as follows: when the punching head 5 needs to be switched, the rotating rod 20 is rotated to drive the limiting block 22 to rotate, the limiting block 22 drives the pressing plate 24 to roll on the limiting plate 33, and the pressing plate 24 drives the pressing plate boss 26 to rotate, so that the punching head 5 is driven to rotate.
The required punching head 5 is rotated to the lower part of the working interval 18, and whether the used punching head 5 is positioned below the working interval 18 is determined according to the direction of the scale needle 21 on the scale 10.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a high speed punch press is with quick change formula of preapring for an unfavorable turn of events shape roll piercing head which characterized in that: the quick-change mechanism comprises an upper die base mechanism (1), a base plate mechanism (2), a quick-change mechanism (3), a pressing plate mechanism (4) and a limiting mechanism (6); the base plate mechanism (2) is fixedly arranged in the middle of the lower end of the upper die base mechanism (1);
the quick-change mechanism (3) comprises a rotating rod (20); the lower end of the rotating rod (20) is fixedly provided with a limiting block (22), two sides of the limiting block (22) in the length direction are symmetrically provided with protrusions (23), and the protrusions (23) are in a sawtooth shape; the rotary rod (20) penetrates through the middle parts of the upper die seat mechanism (1) and the base plate mechanism (2); the limiting block (22) is fixedly arranged in the mounting part of the pressing plate mechanism (4);
the pressing plate mechanism (4) is slidably mounted in a sliding part at the lower end of the base plate mechanism (2), and the pressing plate mechanism (4) is overlapped with the central axis of the rotary rod (20); the pressing plate mechanism (4) is provided with a plurality of groups of punching heads (5), the punching heads (5) are installed in the installation part of the pressing plate mechanism (4) through springs, and the punching parts of the punching heads (5) extend to the outer part of the shell of the pressing plate mechanism (4);
the shell of the limiting mechanism (6) is fixedly arranged at the lower end of the upper die holder mechanism (1), and the central axis of the shell of the limiting mechanism (6) is superposed with the central axis of the shell of the upper die holder mechanism (1); a plurality of groups of balls (7) are arranged between the pressing plate mechanism (4) and the limiting mechanism (6).
2. The deformation-preventing quick-change rolling punching head for the high-speed punch press according to claim 1, characterized in that: the upper die holder mechanism (1) comprises an upper die holder (8);
the upper die holder (8) is of a cylindrical structure, and a cylindrical protrusion is arranged in the middle of the upper end of the upper die holder (8); a first mounting hole (9) is formed in the middle of the upper die holder (8);
a dial gauge (10) is fixedly arranged on the edge of the upper end of the cylindrical bulge of the upper die holder (8); a plurality of groups of first internal thread holes (11) are formed in the lower end, close to the first mounting hole (9), of the upper die holder (8), and the first internal thread holes (11) are distributed in an annular array mode through the central axis of the first mounting hole (9);
the lower end of the upper die base (8) close to the edge is provided with a plurality of groups of second internal thread holes (12), and the second internal thread holes (12) are distributed in an annular array mode through the central axis of the upper die base (8).
3. The deformation-preventing quick-change rolling punching head for the high-speed punch press according to claim 2, characterized in that: the base plate mechanism (2) comprises an installation part and a punch switching part;
the installation department and drift switching part are cylindric structure, the installation department is located the lower extreme middle part of drift switching part, just the axis of installation department with the axis coincidence of drift switching part.
4. The deformation-preventing quick-change rolling punching head for the high-speed punch press according to claim 3, characterized in that: the mounting portion includes a backing plate boss (14); a second mounting hole (15) is formed in the middle of the base plate boss (14), and the second mounting hole (15) penetrates through the punch switching part;
backing plate boss (14) are close to the edge and have been seted up a plurality of groups third mounting hole (16), a plurality of groups third mounting hole (16) with the axis of backing plate boss (14) is the annular array form and distributes, a plurality of groups third mounting hole (16) run through backing plate boss (14) with the drift portion of switching.
5. The anti-deformation quick-change rolling punching head for the high-speed punch press according to claim 4, characterized in that: the punch switching portion includes a backing plate (13);
the cushion plate boss (14) is fixedly arranged in the middle of the lower end of the cushion plate (13), the lower end of the cushion plate (13) is provided with a working area (18) with the height consistent with that of the cushion plate boss (14), transition areas (19) are respectively arranged on two sides of the working area (18), and an idle area (17) is arranged on one side, far away from the working area (18), of the two groups of transition areas (19);
the idle interval (17) and the backing plate (13) are located on the same horizontal line, the transition interval (19) is gradually increased from the idle interval (17) to the working interval (18), and the transition interval (19) enables the idle interval (17) to be smoothly connected with the working interval (18).
6. The deformation-preventing quick-change rolling punching head for the high-speed punch press according to claim 2, characterized in that: the quick-change mechanism (3) also comprises a scale needle (21);
the scale needle (21) is detachably mounted at the upper end of the rotating rod (20), and the scale needle (21) is matched with the dial gauge (10).
7. The anti-deformation quick-change rolling punching head for the high-speed punch press according to claim 4, characterized in that: the pressing plate mechanism (4) comprises an upper pressing plate part and a lower pressing plate part;
the upper pressing plate part and the lower pressing plate part are both of cylindrical structures, the lower pressing plate part is arranged at the upper end of the upper pressing plate, and the central axes of the upper pressing plate part and the lower pressing plate part are overlapped.
8. The anti-deformation quick-change rolling punching head for the high-speed punch press according to claim 2 or 7, characterized in that: the upper platen portion includes a platen (24);
a groove (28) is formed in the middle of the upper end of the pressing plate (24), and the cushion plate boss (14) is slidably mounted in the groove (28); the lower extreme of clamp plate (24) is close to the edge and has seted up a plurality of groups and has gone up ball groove (25), a plurality of groups go up ball groove (25) with the axis of clamp plate (24) is annular array form and distributes, ball (7) are installed in last ball groove (25).
9. The anti-deformation quick-change rolling punching head for the high-speed punch press according to claim 8, characterized in that: the lower platen portion includes a platen boss (26);
a plurality of groups of through holes (27) are formed in the pressure plate boss (26) close to the edge, and the through holes (27) are distributed in an annular array shape; the upper end of the pressure plate boss (26) is provided with a plurality of groups of limiting holes (29), the limiting holes (29) are communicated with the through hole (27), and the inner diameter of each limiting hole (29) is larger than that of the through hole (27);
a limiting table (30) is formed at the joint of the limiting hole (29) and the through hole (27), the upper end of the punching head (5) is installed in the limiting hole (29) through a spring, and the lower end of the punching head (5) penetrates through the through hole (27) to the outside of the pressing plate boss (26);
a limiting groove (31) is formed in the middle of the upper end of the pressing plate boss (26), the limiting groove (31) is rectangular, recesses (32) are formed in two sides of the limiting groove (31) in the length direction, and the recesses (32) are of a sawtooth-shaped structure; the limiting block (22) is installed in the limiting groove (31).
10. The deformation-preventing quick-change rolling punching head for the high-speed punch press according to claim 9, characterized in that: the limiting mechanism (6) comprises a limiting plate (33);
a plurality of groups of fourth mounting holes (34) are formed in the limiting plate (33), and the plurality of groups of fourth mounting holes (34) are distributed in an annular array on the central axis of the limiting plate (33); a bolt penetrates through the fourth mounting hole (34) to fixedly mount the limiting plate (33) at the lower end of the upper die holder (8);
a fifth mounting hole (35) is formed in the middle of the lower end of the limiting plate (33), the pressing plate boss (26) is mounted in the fifth mounting hole (35), and the lower end of the pressing plate boss (26) extends out of the limiting plate (33);
a mounting groove (36) is formed in the middle of the upper end of the limiting plate (33), the mounting groove (36) is communicated with the fifth mounting hole (35), the inner diameter of the mounting groove (36) is larger than that of the fifth mounting hole (35), the mounting groove (36) is overlapped with the central axis of the fifth mounting hole (35), and the pressing plate (24) is slidably mounted in the mounting groove (36);
and a plurality of groups of lower ball grooves (37) are formed in the limiting plate (33) and close to the periphery of the upper opening of the fifth mounting hole (35), and the balls (7) are mounted in the lower ball grooves (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110239735.XA CN112916716A (en) | 2021-03-04 | 2021-03-04 | Anti-deformation quick-change rolling punching head for high-speed punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110239735.XA CN112916716A (en) | 2021-03-04 | 2021-03-04 | Anti-deformation quick-change rolling punching head for high-speed punch press |
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| Publication Number | Publication Date |
|---|---|
| CN112916716A true CN112916716A (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110239735.XA Withdrawn CN112916716A (en) | 2021-03-04 | 2021-03-04 | Anti-deformation quick-change rolling punching head for high-speed punch press |
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| Country | Link |
|---|---|
| CN (1) | CN112916716A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030200666A1 (en) * | 2002-04-29 | 2003-10-30 | Baker Kenneth P. | Replaceable tip center punch system |
| CN204449007U (en) * | 2014-12-19 | 2015-07-08 | 北汽福田汽车股份有限公司 | A kind of drift fast replacing device |
| CN106975694A (en) * | 2017-04-10 | 2017-07-25 | 安徽江淮汽车集团股份有限公司 | A kind of multiple punch fast replacing device |
| CN209006497U (en) * | 2018-09-21 | 2019-06-21 | 湖南吉利汽车部件有限公司 | A kind of quick change punch structure |
| CN110449513A (en) * | 2019-09-11 | 2019-11-15 | 安徽江淮福臻车体装备有限公司 | A kind of formed punch fixed structure and quick change punch-head assembly |
-
2021
- 2021-03-04 CN CN202110239735.XA patent/CN112916716A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030200666A1 (en) * | 2002-04-29 | 2003-10-30 | Baker Kenneth P. | Replaceable tip center punch system |
| CN204449007U (en) * | 2014-12-19 | 2015-07-08 | 北汽福田汽车股份有限公司 | A kind of drift fast replacing device |
| CN106975694A (en) * | 2017-04-10 | 2017-07-25 | 安徽江淮汽车集团股份有限公司 | A kind of multiple punch fast replacing device |
| CN209006497U (en) * | 2018-09-21 | 2019-06-21 | 湖南吉利汽车部件有限公司 | A kind of quick change punch structure |
| CN110449513A (en) * | 2019-09-11 | 2019-11-15 | 安徽江淮福臻车体装备有限公司 | A kind of formed punch fixed structure and quick change punch-head assembly |
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Application publication date: 20210608 |