CN107716838B - Stamping die head, stamping die and cold header for cold header processing of pipe materials - Google Patents
Stamping die head, stamping die and cold header for cold header processing of pipe materials Download PDFInfo
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- CN107716838B CN107716838B CN201710892625.7A CN201710892625A CN107716838B CN 107716838 B CN107716838 B CN 107716838B CN 201710892625 A CN201710892625 A CN 201710892625A CN 107716838 B CN107716838 B CN 107716838B
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- clamping
- pipe material
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- 239000000463 material Substances 0.000 title claims abstract description 90
- 230000000670 limiting effect Effects 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 239000004579 marble Substances 0.000 claims description 47
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004080 punching Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/14—Making machine elements fittings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
- B21J13/03—Die mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a stamping die head for cold heading processing of pipe materials, which comprises a die holder, a die sleeve and a stamping die which are coaxially arranged, wherein the die sleeve is fixedly connected with the die holder, and the stamping die is arranged in the die sleeve and is fixedly connected with the die holder; the inner wedge surface of the die sleeve is connected with a sliding clamping die in a matched manner; the sliding clamping die comprises two clamping modules; each clamping module comprises a clamping die wedge surface used for being matched with the die sleeve, a groove used for clamping the pipe material and a limiting cambered surface used for being matched with the die sleeve to radially limit the clamping module, and a first compression spring is arranged between the two clamping modules; a second compression spring is arranged between the sliding clamping die and the die holder. The invention has simple structure, convenient installation and use, can process two coaxially arranged bosses on the same pipe material at one time, and does not need to adjust the clamping position of the pipe material, thereby improving the efficiency of the pipe material upsetting table; meanwhile, the die can be replaced according to the pipe materials with different pipe diameters, so that the die replacing time when the pipe material upsetting table is shortened and improved.
Description
Technical Field
The invention relates to a stamping die for cold heading processing of a pipe material, belongs to the technical field of pipeline end forming equipment, and particularly relates to a stamping die for cold heading processing of a pipe material and a stamping die capable of being replaced quickly.
Background
In the prior art, header processing is usually realized by adopting a cold header, and when two bosses are processed at the end of a variable-diameter pipe and the distance between the two bosses is larger (as shown in fig. 1), the pipe is clamped by using a set of clamps, the first boss is processed by using the cold header to cooperate with a punch, and when the first boss is processed, the clamping position of the clamp pipe is manually adjusted, so that the processing of a second boss is realized (as shown in fig. 2). The technical problems of the technical proposal are as follows: 1. if the cold heading of two bosses is finished at one time on the end of the same pipe material, the pipe material is generally clamped by only one set of clamp, and at the moment, the pipe material is inevitably deformed when being cold-headed by one boss far away from the clamping point, because the pipe material only has one clamping point and no other supporting points, the coaxiality of the central axis of the punch in cold heading and the pipe material can not be ensured, and the force generated by the upsetting head during cold heading can generate corresponding deflection moment relative to the clamping of the pipe material, thereby causing the deformation of the pipe material, especially for some pipe materials with thinner diameters and easily deformed materials; 2. for the same pipe material, if cold heading processing of two bosses is completed at the end parts of the same pipe material in two times, the processing time consumption of the pipe material is necessarily increased, and the labor intensity of technicians is improved; 3. for the pipe materials with various pipe diameters, the stamping heads corresponding to the pipe materials are replaced every time, so that a great deal of time is consumed for correspondingly replacing the stamping heads on the cold header, and the processing efficiency is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to solve the defects of the prior art and provide a stamping die head for cold upsetting processing of pipe materials, which has a simple structure, can ensure that the pipe materials are not bent during cold upsetting processing of double bosses, and can efficiently and rapidly realize cold upsetting processing applicable to pipe materials with various diameters.
In order to solve the technical problems, the stamping die for cold heading processing of the pipe material comprises a die holder, wherein a stamping die is coaxially and fixedly connected to the die holder, the stamping die further comprises a die sleeve and a sliding clamping die, the outer diameter of the sliding clamping die is matched with the inner diameter of the die sleeve, and the inner diameter of the sliding clamping die is matched with the outer diameter of the pipe material; the die sleeve is coaxially and fixedly connected with the die holder and is positioned at the outer side of the die. It should be pointed out that the sliding clamping die can support the pipe material, so that the technical problem required to be solved by the invention can be solved.
The stamping die for cold heading processing of the pipe material comprises a die holder, a die sleeve and a stamping die which are coaxially arranged, wherein the die sleeve is fixedly connected with the die holder, and the stamping die is arranged in the die sleeve and is fixedly connected with the die holder; the inner wedge surface of the die sleeve is connected with a sliding clamping die in a matched manner; the sliding clamping die comprises a plurality of clamping modules; each clamping module comprises a wedge pair matched with the die sleeve, a groove used for clamping pipe materials and a guide section used for radially limiting the clamping module in a matched mode with the die sleeve, and a first compression spring is arranged between every two adjacent clamping modules; and a second compression spring is arranged between the sliding clamping die and the die holder.
In a preferred embodiment of the invention, the die sleeve comprises a guide sleeve and a guide sleeve lock cover, and a limiting retainer ring for limiting the sliding clamping die is arranged on the guide sleeve lock cover; one end of the guide sleeve is provided with a guide sleeve wedge surface which can be matched with the inclined wedge pair, and the inner diameter of the guide sleeve is equal to the radius of the guide section; the guide sleeve lock cover is in threaded connection with the end part of the guide sleeve.
In a preferred embodiment of the invention, the die holder comprises a quick-change seat and a die locking block, wherein one end of the quick-change seat is provided with a quick-change groove arranged along the circumferential direction of the quick-change seat, and the other end of the quick-change seat is provided with a die mounting groove arranged along the axial direction of the quick-change seat.
The invention also discloses a stamping die which is used for cold heading processing of the end part of the pipe material and can be replaced quickly, comprising a stamping die head and a stamping die base, wherein a die seat of the stamping die head is provided with quick-change grooves which are arranged along the circumferential direction of the stamping die head; the end part of the die base is sleeved with a marble sliding sleeve, and the inner wall of the marble sliding sleeve is provided with a die changing groove axially arranged along the inner wall of the marble sliding sleeve; the die base is provided with a through hole which is arranged along the radial direction of the die base, and a marble which can be matched with the quick-change groove to limit the die head is arranged in the through hole; the marble sliding sleeve is radially provided with a set screw for locking the rotation of the marble sliding sleeve.
In a preferred embodiment of the present invention, the marble sliding sleeve is provided with a die-changing screw along the radial direction thereof; the die base is provided with a work changing position groove which can be matched with the die changing screw; the work changing grooves are arranged along the circumferential direction of the die base.
In a preferred embodiment of the present invention, the die base is provided with limit bosses arranged along the circumferential direction thereof; the end part of the die base is connected with a lock nut; the marble sliding sleeve is arranged between the lock nut and the limiting boss.
In a preferred embodiment of the present invention, the depth of the through hole is smaller than the diameter of the marble; the radius of the quick-change groove is smaller than that of the marble.
In a preferred embodiment of the invention, the through hole comprises a guiding section and a limiting section; the radius of the guide section is equal to that of the marble, and the minimum radius of the limiting section is smaller than that of the marble.
In a preferred embodiment of the present invention, the die base has three through holes arranged in the radial direction thereof; the three through holes are arranged rotationally symmetrically with respect to the central axis of the die base.
In a preferred embodiment of the present invention, the linear distance between the bottommost end of the quick-change groove and the inner wall of the marble sliding sleeve is equal to the diameter of the marble.
The invention also discloses a cold header for processing the pipe material, wherein the cold header is provided with a stamping die head.
The invention also discloses processing equipment capable of realizing the disposable double upsetting tables of the pipe materials, which comprises a pipe material clamp for clamping the pipe materials and a cold upsetting machine, wherein the cold upsetting machine is provided with a punching die head, and when the pipe materials are upsetting tables, the end part of the pipe material clamp passes through a die sleeve of the punching die head to be attached to the end face of a sliding clamping die of the punching die head.
The beneficial effects of the invention are as follows: the invention has simple structure, convenient installation and use, can process two coaxially arranged bosses on the same pipe material at one time, and does not need to adjust the clamping position of the pipe material, thereby improving the efficiency of the pipe material upsetting table; meanwhile, the die can be replaced according to the pipe materials with different pipe diameters, so that the die replacing time when the pipe material upsetting table is shortened and improved. According to the invention, the sliding clamping die is arranged in the die sleeve, so that the sliding clamping die is displaced under the action of the end part of the pipe material clamping die during processing, and the wedge surface is arranged at the end part of the die sleeve, so that the sliding clamping die is gradually folded under the action of the wedge surface to clamp the pipe material, and the second supporting point is improved for the middle section of the pipe material, so that the original single supporting point (provided by the pipe material clamping die) is changed into the existing double supporting point (provided by the pipe material clamping die and the sliding clamping die together), the distance between the second boss of the pipe material and the clamping point of the pipe material is shortened, the clamping stability of the pipe material is effectively improved, and the deformation of the pipe material in the heading process is prevented; the invention provides an extra pivot for the pipe material by the sliding clamping die, thereby effectively shortening the force arm generated by the upsetting head relative to the pipe material clamping point during the processing of the pipe material upsetting table, reducing the bending moment of the pipe material (increasing the supporting area of the pipe material while providing an extra pivot for the pipe material, shortening the force arm of the pipe material center pivot away from the pipe material processing point, reducing the force arm under the condition of simultaneous processing stress, naturally obviously reducing the force arm of the pipe material clamping part, ensuring that the pipe material ring groove is not easy to deform during the processing process, particularly for the pipe material with thinner diameter and easy to deform, and avoiding the phenomenon of bending waste materials generated during the pipe material upsetting table; the invention also effectively avoids the debugging work required by die changing through the split structure of the die head and the die base, thereby effectively improving the die changing efficiency of the punch. According to the invention, the quick switching of the die head is effectively realized through the cooperation of the marble sliding sleeve and the marble, and the quick switching of two stations of the die is realized through the arrangement of the die changing screw and the die changing station slot, so that the die head is convenient to replace by technicians; through set up the guide pin bushing outside the mould, guaranteed the axiality of mould.
Drawings
FIG. 1 is a schematic view of a prior art structure of a biconvex table tubing to be processed;
FIG. 2 is a schematic view showing a state of clamping when the biconvex table tube material shown in FIG. 1 is processed in the prior art;
FIG. 3 is a schematic structural view of a die head for cold heading of tubing in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional view (non-working state) of a die head for cold heading of a tube stock according to an embodiment of the present invention;
fig. 5 is a cross-sectional view (working state) of a die head for cold heading of a tube stock according to an embodiment of the present invention;
FIG. 6 is a schematic view of a sliding die structure of a die head for cold heading of tubing according to an embodiment of the present invention;
FIG. 7 is a schematic view of a sliding die structure of a die head for cold heading of tubing according to an embodiment of the present invention;
FIG. 8 is a schematic view of a die base structure of a rapidly replaceable die for cold heading a tube end according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a rapidly exchangeable die (non-rapid change state) for cold heading a tube end portion according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view (quick change state) of a rapidly exchangeable die for cold heading of a tube end according to an embodiment of the present invention;
FIG. 11 is a schematic view of a rapidly replaceable die for cold heading a tube end according to an embodiment of the present invention;
in the figure: the die comprises a die holder 1, a die sleeve 2, a die 3, a sliding clamping die 4, a die base 5, a ball sliding sleeve 6, a ball 7, a set screw 8, a die changing screw 9, a locking nut 10, a first compression spring 11, a second compression spring 12, a quick-change base 1.1, a die locking piece 1.2, a quick-change groove 1.1-1, a die mounting groove 1.1-2, a guide sleeve 2.1, a guide sleeve lock cover 2.2, a guide sleeve wedge surface 2.1-1, a limit retainer ring 2.2-1, a clamping die 4.1, a wedge pair 4.1-1, a groove 4.1-2, a limit boss 5.1, a through hole 5.2, a tool changing groove 5.3, a guide section 5.2-1, a limit section 5.2-2, a die changing groove 6.1, a biconvex table tube stock, a boss A-1-first boss, a boss A-2-second clamp and a tube stock B.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in the drawings of the specification, the stamping die for cold heading processing of pipe materials comprises a die holder 1, a die sleeve 2 (hollow die sleeve) and a stamping die 3 which are coaxially arranged, wherein the die sleeve 2 is fixedly connected with the die holder 1 through bolts, and the stamping die 3 is arranged in the die sleeve 2 and fixedly connected with the die holder 1; the inner wedge surface of the die sleeve 2 is connected with a sliding clamping die 4 in a matched manner; the sliding clamping die 4 comprises a plurality of clamping modules 4.1; each clamping module 4.1 comprises a wedge pair 4.1-1 for being matched with the die sleeve 2, a groove 4.1-2 for clamping the pipe material and a guide section 4.1-3 for being matched with the die sleeve 2 to radially limit the clamping module 4.1 (the inner diameter of the guide sleeve 2.1 is equal to the radius of the guide section 4.1-3, namely, the inner hole of the guide sleeve 2.1 is used for limiting the clamping module 4.1 after the pipe material is wedged by the plurality of clamping modules 4.1, so that the die 3 can still move relative to the sliding clamping die 4 while clamping the pipe material, namely, the clamping module 4.1 can move axially relative to the die sleeve 2 but cannot move radially), and a first compression spring 11 is arranged between the plurality of clamping modules 4.1; the sliding clamping die 4 and the die holder 1 are provided with a second compression spring 12, after the clamping modules 4.1 are matched and folded, 2 grooves 4.1-2 are matched to form a through hole, the diameter of the through hole is equal to that of a pipe material, 2 inclined wedge pairs 4.1-1 are matched to form a frustum, 2 guide sections 4.1-3 are matched to form a cylinder and can be matched and limited with an inner hole of the die sleeve 2, the structural design of the clamping modules 4.1 is completed by wedge surface matching movement, the inner hole of the guide sections 4.1-3 die sleeve 2 can be wedged with the pipe material, and the die 3 can be used as a reference for upsetting the pipe material. The die sleeve 2 comprises a guide sleeve 2.1 and a guide sleeve lock cover 2.2, and a limiting retainer ring 2.2-1 for limiting the sliding clamping die 4 is arranged on the guide sleeve lock cover 2.2; one end of the guide sleeve 2.1 is provided with a guide sleeve wedge surface 2.1-1 which can be matched with the inclined wedge pair 4.1-1; the guide sleeve lock cover 2.2 is connected with the end part of the guide sleeve 2.1 in a threaded manner. The die holder 1 comprises a quick-change seat 1.1 and a die locking block 1.2, wherein one end of the quick-change seat 1.1 is provided with a quick-change groove 1.1-1 arranged along the circumferential direction of the quick-change seat, and the other end of the quick-change seat 1.1 is provided with a die mounting groove 1.1-2 arranged along the axial direction of the quick-change seat. It should be noted that, when the die holder 1 moves towards the pipe material clamp B, the end of the pipe material clamp B passes through the die sleeve 2 and stretches into the inner hole of the die sleeve 2 to push the sliding die 4 to move, when the sliding die 4 moves horizontally and cooperates with the wedge surface of the die sleeve 2 to clamp the pipe material, the sliding die 4 slides into the inner hole of the die sleeve 2 and is radially limited under the action of the inner hole, at this time, the die holder 1 continues to move, and the sliding die 4 is not limited axially due to radial limitation, so that the position of the sliding die 4 relative to the die sleeve 2 changes under the guiding limiting action of the inner hole, namely, the die 3 moves relative to the sliding die 4, thereby realizing the second upsetting stage for the pipe material.
The invention also discloses a stamping die which is used for cold heading processing of the end part of the pipe material and can be replaced quickly, which comprises a stamping die head and a stamping die base 5, wherein quick-change grooves 1.1-1 which are arranged along the circumferential direction of the stamping die head are arranged on a die holder 1 of the stamping die head; the end part of the die base 5 is sleeved with a marble sliding sleeve 6, and the inner wall of the marble sliding sleeve 6 is provided with a die changing groove 6.1 axially arranged along the inner wall; the die base 5 is provided with a through hole 5.2 arranged along the radial direction, and a marble 7 which can be matched with the quick change groove 1.1-1 to limit a die head is arranged in the through hole 5.2; the marble sliding sleeve 6 is provided with a set screw 8 along its radial direction for locking the rotation of the marble sliding sleeve. The marble sliding sleeve 6 is radially provided with a die change screw 9; the die base 5 is provided with a work station changing groove 5.3 which can be matched with the die changing screw 9; the station changing grooves 5.3 are arranged in the circumferential direction of the die base 5. The die base 5 is provided with limit bosses 5.1 circumferentially arranged along the die base; the end part of the die base 5 is connected with a lock nut 10; the marble sliding sleeve 6 is arranged between the lock nut 10 and the limit boss 5.1. The depth of the through hole 5.2 is smaller than the diameter of the marble 7; the radius of the quick change groove 1.1-1 is smaller than the radius of the marble 7. The through hole 5.2 comprises a guide section 5.2-1 and a limit section 35.2-2; the radius of the guiding section 5.2-1 is equal to the radius of the marble 7, and the minimum radius of the limiting section 5.2-2 is smaller than the radius of the marble 7. Three through holes 5.2 are arranged on the die base 5 along the radial direction of the die base; the three through holes 5.2 are arranged rotationally symmetrically with respect to the central axis of the die base 5. The straight line distance between the bottommost end of the quick change groove 1.1-1 and the inner wall of the marble sliding sleeve 6 is equal to the diameter of the marble 7. When the stamping die disclosed by the invention is used, different sliding clamping dies (each group of sliding clamping dies is matched with the outer diameter of each pipe) are arranged in different stamping dies, and the stamping dies are integrally replaced during replacement. The marble 7 contacts with the quick-change groove 1.1-1 on the quick-change seat 1.1, so that the part can be locked with the die base 5; the marble 7 is separated from the quick-change groove 1.1-1 on the quick-change seat 1.1, so that the part can be separated from the die base 5, and the quick-change of the part can be realized. The lock nut 10 and the marble sliding sleeve 6 are sleeved at the front end of the outside of the die base 5, and the front end of the die base 5 is provided with external threads which can be matched with the lock nut 10. The die change screw 9 can control the position of the marble sliding sleeve 6, three holes are formed in the die base 5, 3 marbles 7 can be respectively placed in the holes, meanwhile, a die change station groove 5.3 is formed in the die base 5, the die change screw 9 is clamped in the die change station groove 5.3 and can slide in the die change groove in a clockwise or anticlockwise direction, and when the die change screw 9 slides to one end of the die change station groove 5.3, the marbles 7 fall into quick change grooves 1.1-1 on the quick change seat 1.1, so that a die stamping head is fixed; when the die change screw 9 slides to the other end of the die change position groove 5.3, the stamping die is pulled out manually, and the marble 7 is clamped into the die change groove 6.1 in the inner circle of the marble sliding sleeve 6, so that the quick die change part can be taken out; wherein the function of the set screw 8 is to fix the position of the marble sliding sleeve 6. When the die change screw 9 slides to a non-die change station, the set screw 8 is locked, and the whole marble sliding sleeve 6 can be fixed. When the die change screw 9 slides to the die change station, the set screw 8 is loosened, and the whole marble sliding sleeve 6 can be rotated to realize die change.
It should be pointed out that, aiming at the technical problem of the present invention, the substantial solution to the problem is to provide a support for the shaft section between the first boss a-1 and the second boss a-2 of the pipe material, so the upper technical solution described in claim 1 of the present invention is as follows: the die comprises a die holder 1, a die sleeve 2 and a sliding clamping die 4 are coaxially and fixedly connected on the die holder 1, the outer diameter of the sliding clamping die 4 is matched with the inner diameter of the die sleeve 2, and the inner diameter of the sliding clamping die 4 is matched with the outer diameter of a pipe material; the die sleeve 2 is fixedly connected with the die holder 1 coaxially, and the die sleeve 2 is positioned outside the die 3, so that the technical problem described by the invention can be completely solved. When the cold heading machine is used, the sliding clamping die 4 can be sleeved on the pipe material A, then the punch with the die sleeve 2 and the punch 3 is arranged on the cold heading equipment, and the cold heading equipment drives the punch to move so that the punch 3 completes the heading table, and due to the matching of the sliding clamping die 4 and the die sleeve 2, the coaxiality of the sliding clamping die 4 and the die sleeve is ensured, and meanwhile, the support is provided for the pipe material, so that the technical problem recorded by the invention is effectively solved.
It should be understood that the foregoing is only illustrative of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. A die head for tube stock cold heading processing which characterized in that: the die holder (1) is coaxially fixedly connected with a die (3), the die holder also comprises a die sleeve (2) and a sliding clamping die (4), the outer diameter of the sliding clamping die (4) is matched with the inner diameter of the die sleeve (2), and the inner diameter of the sliding clamping die (4) is matched with the outer diameter of a pipe; the die sleeve (2) is coaxial with the die holder (1) and fixedly connected with the die holder through bolts, and the die sleeve (2) is positioned at the outer side of the die (3); the die sleeve (2) is in wedge fit with the sliding clamping die (4); the sliding clamping die (4) comprises a plurality of clamping modules (4.1); each clamping module (4.1) comprises a wedge pair (4.1-1) used for being matched with the die sleeve (2) and a groove (4.1-2) used for clamping pipe materials, the tail end of each wedge pair (4.1-1) is provided with a guide section (4.1-3), and a first compression spring (11) is arranged between every two adjacent clamping modules (4.1); a second compression spring (12) is arranged between the sliding clamping die (4) and the die holder (1); the die sleeve (2) comprises a guide sleeve (2.1) and a guide sleeve lock cover (2.2), and a limiting retainer ring (2.2-1) for limiting the sliding clamping die (4) is arranged on the guide sleeve lock cover (2.2); one end of the guide sleeve (2.1) is provided with a guide sleeve wedge surface (2.1-1) which can be matched with the inclined wedge pair (4.1-1), and the inner diameter of the guide sleeve (2.1) is equal to the radius of the guide section (4.1-3); the guide sleeve lock cover (2.2) is in threaded connection with the end part of the guide sleeve (2.1); the sliding clamp die (4) is pushed by the pipe clamp (B) along the axial direction, when the die holder (1) moves towards the pipe clamp (B), the end part of the pipe clamp (B) penetrates through the die sleeve (2) to extend into the inner hole of the die sleeve (2) and push the sliding clamp die (4) to move, after the sliding clamp die (4) horizontally moves and cooperates with the wedge surface of the die sleeve (2) to clamp a pipe material, the sliding clamp die (4) slides into the inner hole of the die sleeve (2) and radially limits under the action of the inner hole, a second supporting point is improved for the middle section of the pipe material, at the moment, the die holder (1) continues to move, and the sliding clamp die (4) can change relative to the position of the die sleeve (2) under the guiding limiting action of the inner hole, namely, the sliding clamp die (3) moves relative to the sliding clamp die (4), so that the second upsetting die for the pipe material is realized.
2. A die head for cold heading of tubing as defined in claim 1, wherein: the die holder (1) comprises a quick-change seat (1.1) and a die locking block (1.2), wherein one end of the quick-change seat (1.1) is provided with a quick-change groove (1.1-1) circumferentially arranged along the quick-change seat, and the other end of the quick-change seat is provided with a die mounting groove (1.1-2) axially arranged along the quick-change seat.
3. A but, be used for pipe material tip cold heading processing and quick replacement's die, its characterized in that: the die comprises a die head and a die base (5) as claimed in claim 2, wherein a marble sliding sleeve (6) is sleeved at the end part of the die base (5), and a die changing groove (6.1) axially arranged along the inner wall of the marble sliding sleeve (6) is formed; the stamping die base (5) is provided with a through hole (5.2) arranged along the radial direction of the stamping die base, and a marble (7) which can be matched with the quick-change groove (1.1-1) to limit the stamping die is arranged in the through hole (5.2); the marble sliding sleeve (6) is radially provided with a set screw (8) for locking the marble sliding sleeve to rotate.
4. A rapidly exchangeable die for cold heading a tube end according to claim 3, wherein: the marble sliding sleeve (6) is radially provided with a die change screw (9); a work changing position groove (5.3) which can be matched with the die changing screw (9) is formed in the die base (5); the work changing grooves (5.3) are arranged along the circumferential direction of the die base (5).
5. A rapidly exchangeable die for cold heading a tube end according to claim 3, wherein: a limit boss (5.1) arranged along the circumferential direction of the die base (5) is arranged on the die base; the end part of the die base (5) is connected with a lock nut (10); the marble sliding sleeve (6) is arranged between the locking nut (10) and the limiting boss (5.1).
6. A rapidly exchangeable die for cold heading a tube end according to claim 3, wherein: the depth of the through hole (5.2) is smaller than the diameter of the marble (7); the radius of the quick-change groove (1.1-1) is smaller than the radius of the marble (7).
7. A cold header for tubing processing, its characterized in that: the cold header is equipped with the die according to any one of claims 3 to 6.
8. Can realize processing equipment of disposable two upsetting tables of pipe material, including pipe material anchor clamps (B) and the cold heading machine that are used for the centre gripping pipe material, its characterized in that: the cold header is provided with the stamping die as claimed in any one of claims 3 to 6, and when the pipe is subjected to heading, the end part of the pipe clamp (B) penetrates through the die sleeve (2) of the stamping die and is attached to the end face of the sliding clamping die (4) of the stamping die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892625.7A CN107716838B (en) | 2017-09-27 | 2017-09-27 | Stamping die head, stamping die and cold header for cold header processing of pipe materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892625.7A CN107716838B (en) | 2017-09-27 | 2017-09-27 | Stamping die head, stamping die and cold header for cold header processing of pipe materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107716838A CN107716838A (en) | 2018-02-23 |
| CN107716838B true CN107716838B (en) | 2024-03-22 |
Family
ID=61207067
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710892625.7A Active CN107716838B (en) | 2017-09-27 | 2017-09-27 | Stamping die head, stamping die and cold header for cold header processing of pipe materials |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61266143A (en) * | 1985-05-17 | 1986-11-25 | Daido Steel Co Ltd | Die for upsetting |
| CN201442113U (en) * | 2009-06-12 | 2010-04-28 | 山东威达机械股份有限公司 | Quick change device of drill chuck |
| CN103586393A (en) * | 2013-11-04 | 2014-02-19 | 上海奥达科股份有限公司 | Device used for machining automobile safety belt force limit torsion rod |
| CN204953795U (en) * | 2015-09-17 | 2016-01-13 | 东方电气集团东方汽轮机有限公司 | Upset and crowd terrace die |
| CN205701334U (en) * | 2016-04-22 | 2016-11-23 | 广州宝德凯智能装备有限公司 | Quick universal rolling clamp |
| CN106141057A (en) * | 2015-04-15 | 2016-11-23 | 昌利锻造有限公司 | A kind of enclosed circle die holder |
| CN207464095U (en) * | 2017-09-27 | 2018-06-08 | 武汉思瑞法机器人制造有限公司 | For the nose of punch, punch die, cold headers and the process equipment of materials in the tube cold-heading processing |
-
2017
- 2017-09-27 CN CN201710892625.7A patent/CN107716838B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61266143A (en) * | 1985-05-17 | 1986-11-25 | Daido Steel Co Ltd | Die for upsetting |
| CN201442113U (en) * | 2009-06-12 | 2010-04-28 | 山东威达机械股份有限公司 | Quick change device of drill chuck |
| CN103586393A (en) * | 2013-11-04 | 2014-02-19 | 上海奥达科股份有限公司 | Device used for machining automobile safety belt force limit torsion rod |
| CN106141057A (en) * | 2015-04-15 | 2016-11-23 | 昌利锻造有限公司 | A kind of enclosed circle die holder |
| CN204953795U (en) * | 2015-09-17 | 2016-01-13 | 东方电气集团东方汽轮机有限公司 | Upset and crowd terrace die |
| CN205701334U (en) * | 2016-04-22 | 2016-11-23 | 广州宝德凯智能装备有限公司 | Quick universal rolling clamp |
| CN207464095U (en) * | 2017-09-27 | 2018-06-08 | 武汉思瑞法机器人制造有限公司 | For the nose of punch, punch die, cold headers and the process equipment of materials in the tube cold-heading processing |
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| Publication number | Publication date |
|---|---|
| CN107716838A (en) | 2018-02-23 |
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Effective date of registration: 20240704 Address after: No. A31, 3rd Floor, 609 Genghe Avenue, Dongxihu District, Wuhan City, Hubei Province 430000 Patentee after: Wuhan Lips Technology Co.,Ltd. Country or region after: China Address before: 430056 No. 22, Yintan Road, Jiangjun road sub district office, Dongxihu District, Wuhan City, Hubei Province (12) Patentee before: WUHAN SRX-PROCESS ROBOT MANUFACTURING CO.,LTD. Country or region before: China |