CN109175190B - Lead screw guide rail type multi-station cold header - Google Patents
Lead screw guide rail type multi-station cold header Download PDFInfo
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- CN109175190B CN109175190B CN201811120950.2A CN201811120950A CN109175190B CN 109175190 B CN109175190 B CN 109175190B CN 201811120950 A CN201811120950 A CN 201811120950A CN 109175190 B CN109175190 B CN 109175190B
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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
- B21J13/04—Frames; Guides
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
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Abstract
The invention relates to the technical field of cold headers, in particular to a lead screw guide rail type multi-station cold header which comprises a machine tool body, wherein a main die holder is arranged above the machine tool body, one side of the main die holder is connected with a guide rail, one side of the guide rail is connected with a stamping die slide block, one side of the stamping die slide block is provided with a floating device, one side of the main die holder is fixedly provided with a main die core, a plurality of guide rail holes are arranged below the main die holes, two ends of the guide rail are respectively provided with a cylindrical hole, one side of the stamping die slide block is fixedly provided with a stamping die core, and; the die slider is connected with the main die holder by arranging a plurality of groups of guide rails, the guide rails are made of high-carbon chromium bearing steel, so that the die slider is wear-resistant and hard, the concentricity between the die slider and the main die holder is ensured, the product is prevented from being non-concentric, the guide rails are convenient to install by arranging the floating device at one ends of the guide rails, the reduction of the precision of the cold header caused by the fact that the guide rails are not parallel to each other is avoided, and the quality of the product is effectively improved.
Description
Technical Field
The invention relates to the technical field of cold headers, in particular to a lead screw guide rail type multi-station cold header.
Background
The multi-station cold header adopts a cold heading mode to upset the optical disk units or the bar materials into various firmware, can realize batch production, improves the firmware forming efficiency, and meets the market demand.
The traditional multi-station cold header has the working principle that a die sliding block reciprocates in a fixed track of equipment, and when the die sliding block reaches a front dead center, a die and a main die extrude and deform an internal part blank to obtain a product. However, the clearance between the slide block and the track increases the degree of wear along with the reciprocating motion of the slide block, so that the main die and the punching die cannot keep coaxial, the concentricity difference between the sizes of the product is caused, and the quality of the product is influenced. In view of this, we propose a screw guide rail type multi-station cold header.
Disclosure of Invention
The invention aims to provide a lead screw guide rail type multi-station cold header to solve the problem that products are not concentric after a main die and a stamping die are rubbed for a long time in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the lead screw guide rail type multi-station cold header comprises a machine tool body, wherein a main die holder is arranged above the machine tool body, one side of the main die holder is connected with a guide rail, one side of the guide rail is connected with a die stamping slide block, one side of the die stamping slide block is provided with a floating device, one side of the main die holder is provided with a plurality of main die holes, one side of each main die hole is fixedly provided with a main die core, a plurality of guide rail holes are arranged below the main die holes, the other side of the main die holder is provided with a plurality of main die counter bores, a plurality of fixing counter bores are arranged below the main die counter bores, two ends of the guide rail are provided with cylindrical holes, one side of the die stamping slide block is provided with a plurality of die stamping holes, one side of each die stamping hole is fixedly provided with a die stamping core, a plurality of slide;
the floating installation includes the socle the bullet circle of socle outside connection and the fixed lid of socle one end connection, the socle is cylinder and the outside and has seted up the annular, the other end of socle is equipped with the boss, the jack has been seted up to the center department of boss, the incision has been seted up to one side of bullet circle, one side of fixed lid is equipped with the screw thread post.
Preferably, the lathe bed is cuboid and the top surface is provided with an inner cavity, the top surface of one end of the lathe bed is symmetrically provided with limiting blocks, the top surface of the other end of the lathe bed is provided with a stop block, and the side surface of the stop block is provided with a plurality of through holes.
Preferably, the main die holder is the cuboid, the main nib is linear and equidistant distribution, the main nib with the main mould counter bore one-to-one and be linked together, the main die core with the cooperation of pegging graft of main nib, the one end of main die core is equipped with threaded hole, the guide rail hole with fixed counter bore one-to-one.
Preferably, the guide rail is a cylinder, the inner side of the cylindrical hole is provided with threads, one end of the guide rail is in plug-in fit with the guide rail hole, and the other end of the guide rail is in sliding connection with the sliding hole.
Preferably, the die slide block is a cuboid, the die holes are in linear and equidistant distribution, the die holes correspond to the die counter bores one to one and are communicated, the die core is in plug-in connection with the die holes, a threaded hole is formed in one end of the die core, and the slide hole penetrates through the die slide block.
Preferably, the cover post is the cylinder, the annular with the cooperation of bullet circle joint, the external diameter of boss is greater than the external diameter of cover post, the jack runs through the cover post.
Preferably, the sleeve column is inserted into the through hole, the guide rail is inserted into and matched with the insertion hole, and the threaded column is in threaded connection with the cylindrical hole.
Compared with the prior art, the invention has the beneficial effects that:
this guide tracked multistation cold heading machine of lead screw, through setting up a plurality of groups guide rails, be connected die slider and master die holder, the guide rail adopts high carbon chromium bearing steel to make, makes it wear-resisting and hard, thereby guaranteed the concentricity between die slider and the master die holder, avoid the product decentraction, one end through at the guide rail has set up floating installation, make guide rail simple to operate, avoid guide rail installation nonparallel and lead to the cold heading machine precision to descend, thereby the effectual quality that improves the product.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the inventive machine body structure;
FIG. 3 is a schematic view of a main mold base according to the present invention;
FIG. 4 is a schematic view of the guide rail structure of the present invention;
FIG. 5 is a schematic view of the die slide construction of the present invention;
FIG. 6 is a schematic view of the backside structure of the die slide of the present invention;
fig. 7 is a schematic structural diagram of the floating device of the present invention.
In the figure: 1. a machine body; 10. an inner cavity; 11. a limiting block; 12. a stopper; 13. a through hole; 2. a main die holder; 20. a main die hole; 21. a main mold core; 22. a guide rail hole; 23. counter bores of the master die; 24. fixing the counter bore; 3. a guide rail; 30. a cylindrical bore; 4. punching a die slide block; 40. punching a die hole; 41. punching a mold core; 42. a slide hole; 43. punching a counter bore of the die; 5. a floating device; 50. sleeving a column; 500. a ring groove; 501. a boss; 502. a jack; 51. a spring ring; 510. cutting; 52. a fixed cover; 520. a threaded post.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the present invention, and in the description of the present invention, "a number" means two or more unless specifically defined otherwise.
Example 1
The screw rod guide rail type multi-station cold header comprises a machine tool body 1, wherein a main die holder 2 is arranged above the machine tool body 1, a guide rail 3 is connected to one side of the main die holder 2, a die slide block 4 is connected to one side of the guide rail 3, and a floating device 5 is arranged on one side of the die slide block 4.
In this embodiment, lathe bed 1 adopts grey cast iron, and its hardness is high, and the price/performance ratio is good, reduces manufacturing cost, and lathe bed 1 and stopper 11 and dog 12 are fixed through welded connection each other, make overall structure firm, bear the impact during the cold-heading.
Specifically, the lathe bed 1 is a cuboid and has an inner cavity 10 on the top surface, so that the material can fall off conveniently, a limiting block 11 is symmetrically arranged on the top surface of one end of the lathe bed 1, the main die holder 2 is limited, a stop block 12 is arranged on the top surface of the other end of the lathe bed 1, the guide rail 3 is supported, the die slide block 4 is limited, and a plurality of through holes 13 are formed in the side surface of the stop block 12 and used for installing the floating device 5.
Example 2
As a second embodiment of the present invention, in order to improve the concentricity of a product, the present inventors have provided a plurality of sets of guide rails 3 between a main die holder 2 and a die slide 4, and as a preferred embodiment, as shown in fig. 3, 4, 5 and 6, one side of the main die holder 2 is provided with a plurality of main die holes 20, one side of each main die hole 20 is fixed with a main die core 21, a plurality of guide rail holes 22 are provided below the main die hole 20, the other side of the main die holder 2 is provided with a plurality of main die counter bores 23, a plurality of fixing counter bores 24 are provided below the main die counter bores 23, both ends of the guide rails 3 are provided with cylindrical holes 30, one side of the die slide 4 is provided with a plurality of die holes 40, one side of each die hole 40 is fixed with a die core 41, a plurality of slide holes 42 are provided below the die holes 40, and the other side of the die slide 4 is provided with a plurality.
In this embodiment, the guide rail 3 is made of high-carbon chromium bearing steel, so that the guide rail is wear-resistant and hard, and the diameter of the guide rail 3 needs to be selected according to the maximum value of the upsetting force of the whole stroke of the cold header and the safety coefficient, so as to enable the guide rail to better play a role.
Specifically, the main die holder 2 is a cuboid, the main die holes 20 are linear and are distributed at equal intervals, the main die holes 20 correspond to the main die counter bores 23 one to one and are communicated with each other, the main die core 21 is in plug-in fit with the main die holes 20, one end of the main die core 21 is provided with a threaded hole, the guide rail holes 22 correspond to the fixed counter bores 24 one to one, the main die core 21 and the main die holder 2 are fixed through bolts, and the guide rail 3 and the main die holder 2 are fixed through bolts, so that the material upsetting is stable and convenient.
Further, the guide rail 3 is a cylinder, the inner side of the cylindrical hole 30 is provided with threads, one end of the guide rail 3 is in plug fit with the guide rail hole 22, and the other end of the guide rail 3 is in sliding connection with the sliding hole 42, so that the die slide block 4 slides on the guide rail 3.
In addition, the die stamping sliding block 4 is a cuboid, the die stamping holes 40 are in linear and equidistant distribution, the die stamping holes 40 correspond to the die stamping counter bores 43 one by one and are communicated, the die stamping cores 41 are in plug-in fit with the die stamping holes 40, threaded holes are formed in one ends of the die stamping cores 41, the sliding holes 42 penetrate through the die stamping sliding block 4, and the die stamping cores 41 and the die stamping sliding block 4 are fixed through bolts so that the die stamping sliding block is stable and convenient for upsetting.
Example 3
As a third embodiment of the present invention, in order to save trouble in installing the guide rail 3 and avoid reduction of manufacturing accuracy of the cold header due to a large deviation of installation parallelism, the present inventors have provided the floating device 5 on the stopper 12 at one end of the guide rail 3, as shown in fig. 7, as a preferred embodiment, the floating device 5 includes a socket 50, a collar 51 connected to an outer side of the socket 50, and a fixing cap 52 connected to one end of the socket 50, the socket 50 is a cylinder and has a circular groove 500 formed at an outer side thereof, the other end of the socket 50 has a boss 501, a jack 502 is formed at a center of the boss 501, a notch 510 is formed at one side of the collar 51, and a screw post 520 is formed at one side of the fixing cap 52.
In this embodiment, the elastic ring 51 is made of spring steel, so that the elastic ring has high elasticity and high strength, the width of the iron notch 510 is 1mm, and the outer diameter of the elastic ring 51 is equal to the inner diameter of the through hole 13, so that the floating range of the guide rail 3 is controlled within 1mm, which is convenient for installation and debugging, ensures the parallelism of the guide rail 3, and avoids the reduction of the precision of the guide rail 3 caused by too large floating.
Specifically, the cover post 50 is the cylinder, and annular groove 500 cooperates with the joint of bullet circle 51, and the external diameter of boss 501 is greater than the external diameter of cover post 50, plays limiting displacement, avoids cover post 50 slippage from through-hole 13, and jack 502 runs through cover post 50.
Furthermore, the sleeve column 50 is inserted into the through hole 13, the guide rail 3 is inserted into and matched with the insertion hole 502, and the threaded column 520 is in threaded connection with the cylindrical hole 30, so that the guide rail 3 and the floating device 5 are connected into a whole, the deviation amount during installation of the guide rail 3 is transferred to the deformation amount of the elastic ring 51 in the floating device 5, the installation and debugging of the guide rail 3 are facilitated, and the parallelism of the guide rail 3 is also ensured.
When the screw rod guide rail type multi-station cold header is used, a main die holder 2 is firstly arranged on a machine tool body 1, a main die core 21 is inserted into a main die hole 20 and is screwed with the main die core 21 through a bolt penetrating through a main die counter bore 23, so that the main die core is fixed, a die core 41 can be fixed in a die punching hole 40 in the same way, one end of a guide rail 3 is inserted into a guide rail hole 22, the other end of the guide rail 3 is inserted into a slide hole 42, one end of the guide rail 3 is screwed with the bolt penetrating through a fixing counter bore 24, the other end of the guide rail 3 is inserted into an insertion hole 502, a sleeve column 50 is inserted into a through hole 13, a fixing cover 52 is screwed into a cylindrical hole 30 of the guide rail 3, so that the guide rail 3 is fixed, meanwhile, a floating device 5 is also fixed on a stop block 12, a machine is started, a bar stock or a blank is placed into the main die core 21, when a die slide block 4 slides in, the non-parallelism of the guide rail 3 can be eliminated by the deformation of the elastic ring 51 in the floating device 5, and the precision of the guide rail 3 is effectively protected; the improvement greatly improves the precision of the cold header, keeps the precision stable, and saves time and trouble when installing the guide rail.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Screw rod guide tracked multistation cold heading machine, including lathe bed (1), its characterized in that: a main die holder (2) is installed above the machine tool body (1), a guide rail (3) is connected to one side of the main die holder (2), a die stamping slider (4) is connected to one side of the guide rail (3), a floating device (5) is arranged at one side of the die stamping slider (4), a plurality of main die holes (20) are formed in one side of the main die holder (2), a main die core (21) is fixed to one side of each main die hole (20), a plurality of guide rail holes (22) are formed below the main die holes (20), a plurality of main die counter bores (23) are formed in the other side of the main die holder (2), a plurality of fixing counter bores (24) are formed below the main die counter bores (23), cylindrical holes (30) are formed in two ends of the guide rail (3), a plurality of die stamping holes (40) are formed in one side of the die stamping slider (4), and a die stamping core (41) is fixed to one side of each, a plurality of sliding holes (42) are arranged below the die punching holes (40), and a plurality of die counter bores (43) are formed in the other side of the die punching slide block (4);
the floating device (5) comprises a sleeve column (50), an elastic ring (51) connected with the outer side of the sleeve column (50) and a fixed cover (52) connected with one end of the sleeve column (50), the sleeve column (50) is cylindrical, an annular groove (500) is formed in the outer side of the sleeve column (50), a boss (501) is arranged at the other end of the sleeve column (50), a jack (502) is formed in the center of the boss (501), a notch (510) is formed in one side of the elastic ring (51), and a threaded column (520) is arranged on one side of the fixed cover (52); the machine tool body (1) is cuboid, an inner cavity (10) is formed in the top surface of the machine tool body (1), limiting blocks (11) are symmetrically arranged on the top surface of one end of the machine tool body (1), a stop block (12) is arranged on the top surface of the other end of the machine tool body (1), and a plurality of through holes (13) are formed in the side surface of the stop block (12); the main die holder (2) is a cuboid, main die hole (20) is linear and equidistant distribution, main die hole (20) with main die counter bore (23) one-to-one and be linked together, main die core (21) with main die hole (20) cooperation of pegging graft, the one end of main die core (21) is equipped with threaded hole, guide rail hole (22) with fixed counter bore (24) one-to-one.
2. The lead screw guide tracked multistation cold heading machine of claim 1 characterized in that: the guide rail (3) is a cylinder, threads are arranged on the inner side of the cylindrical hole (30), one end of the guide rail (3) is in plug-in fit with the guide rail hole (22), and the other end of the guide rail (3) is in sliding connection with the sliding hole (42).
3. The lead screw guide tracked multistation cold heading machine of claim 1 characterized in that: die slider (4) are the cuboid, die hole (40) are linear and equidistant distribution, die hole (40) with die counter bore (43) one-to-one and be linked together, die core (41) with die hole (40) grafting cooperation, the one end of die core (41) is equipped with threaded hole, slide opening (42) run through die slider (4).
4. The lead screw guide tracked multistation cold heading machine of claim 1 characterized in that: the cover post (50) is the cylinder, annular (500) with circle of bullet (51) joint cooperation, the external diameter of boss (501) is greater than the external diameter of cover post (50), jack (502) run through cover post (50).
5. The lead screw guide tracked multistation cold heading machine of claim 1 characterized in that: the sleeve column (50) is connected with the through hole (13) in an inserting mode, the guide rail (3) is connected with the inserting hole (502) in an inserting mode in a matching mode, and the threaded column (520) is connected with the cylindrical hole (30) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120950.2A CN109175190B (en) | 2018-09-26 | 2018-09-26 | Lead screw guide rail type multi-station cold header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120950.2A CN109175190B (en) | 2018-09-26 | 2018-09-26 | Lead screw guide rail type multi-station cold header |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109175190A CN109175190A (en) | 2019-01-11 |
| CN109175190B true CN109175190B (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811120950.2A Active CN109175190B (en) | 2018-09-26 | 2018-09-26 | Lead screw guide rail type multi-station cold header |
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| CN (1) | CN109175190B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799017B (en) * | 2022-04-29 | 2024-07-02 | 中国重型机械研究院股份公司 | Double-station upsetting female die shifting device and use method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2774376B2 (en) * | 1990-11-30 | 1998-07-09 | 田中貴金属工業株式会社 | Die set type header machine |
| CN201921964U (en) * | 2010-12-08 | 2011-08-10 | 山东九环石油机械有限公司 | Sucker rod-forging die for upsetting machines |
| CN201982597U (en) * | 2011-01-14 | 2011-09-21 | 徐俊玉 | Screw rod supporting assembly |
| CN203610576U (en) * | 2013-07-18 | 2014-05-28 | 吴江市黎里建兴铸件厂 | Cold forging machine |
| CN203508906U (en) * | 2013-10-27 | 2014-04-02 | 泉州银艺机械有限公司 | Multi-station continuous hot-forging die set for half-axle gears of driving axles |
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2018
- 2018-09-26 CN CN201811120950.2A patent/CN109175190B/en active Active
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