CN111940533A - Large washer stepped sleeve forming process and die structure - Google Patents
Large washer stepped sleeve forming process and die structure Download PDFInfo
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- CN111940533A CN111940533A CN202010893612.3A CN202010893612A CN111940533A CN 111940533 A CN111940533 A CN 111940533A CN 202010893612 A CN202010893612 A CN 202010893612A CN 111940533 A CN111940533 A CN 111940533A
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- mold
- mould
- mold core
- thimble
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
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- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A large washer sleeve forming process with steps and a die structure comprise material cutting, shaping, reverse reshaping, hole drawing, head patting shaping, washer and step forming, wherein the large washer sleeve with steps is manufactured by punching through waste materials in a cold extrusion mode, so that the material utilization rate is improved, and the mechanical property of a product is ensured.
Description
Technical Field
The invention belongs to the field of processing and manufacturing of automobile parts, and particularly relates to a forming process and a die structure of a stepped sleeve of a large washer.
Background
Various hardware parts are generally used in the mechanical industry for machining and installation, for example, a fastener is a common hardware part and is a general name of a type of mechanical parts used when two or more parts or components are fastened and connected into a whole, and a double-end spline connecting sleeve is a non-standard fastener.
The automobile body connecting sleeve is widely used at each part of an automobile body. The automobile body sleeve pipe can be divided into a front automobile body sleeve pipe and a rear automobile body sleeve pipe according to the using position, is roughly divided into a connecting sleeve pipe which needs welding stress according to the using function, and supports, connects and protects the connecting sleeve pipe of an internal pipeline and the like. The traditional big washer sleeve pipe goes up the step and accomplishes through machine tooling, especially short step. But the machined part has low material utilization rate on one side, long machining time and higher requirements on equipment and operators; on the other hand, the machined part can cause the metal streamline of the material to break, and the mechanical property is reduced.
Disclosure of Invention
The invention aims to overcome the technical defects that the existing vehicle body connecting sleeve processing mode is low in material utilization rate and the mechanical property of a product is reduced, and provides a large washer stepped sleeve forming process and a die structure.
Technical scheme
In order to achieve the technical purpose, the invention provides a large washer stepped sleeve forming process, which is characterized by comprising the following steps of:
(1) cutting;
(2) shaping;
(3) reversing and reshaping;
(4) hole drawing;
(5) shaping the head;
(6) molding washers and steps;
(7) and punching the waste material.
Further, in the step (2), round corners are added to extrude the blank through the main die cavity, and the size of the round corners is 1/6 rod diameters.
The utility model provides a big washer takes sleeve pipe forming die structure of step which characterized in that: the device comprises a main mould shell, a movable mould core provided with a tungsten steel mould core, a belleville spring, a mould core cushion block, a main mould push pipe provided with flower teeth, a main mould thimble fixing block, a main mould cushion block and a main mould shooting pin, wherein the movable main mould core provided with the tungsten steel mould core is arranged in an inner cavity of the main mould shell, one end of the main mould thimble is embedded in the main mould thimble fixing block, the other end of the main mould push pipe penetrates through the main mould push pipe provided with the flower teeth and extends into the inner cavity of the movable mould core provided with the tungsten steel mould core, the mould core cushion block is arranged in the inner cavity of the main mould shell and supports against the movable mould core provided with the tungsten steel mould core, one end of the main mould push pipe provided with the flower teeth is embedded in the mould core cushion block, the other end of the butterfly spring is positioned in the inner cavity of the main mould shell and supports against the mould core cushion block, the other end of the main mould push pipe is supported against the, and the main injection pin penetrates through the main injection push pipe with the flower teeth from the main injection cushion block and the main injection thimble fixing block.
Furthermore, the belleville spring is arranged in the mounting groove of the spring limiting block.
Furthermore, the spring limiting block is positioned in the inner cavity of the main formwork.
Advantageous effects
According to the forming process and the die structure of the stepped sleeve of the large washer, the stepped sleeve of the large washer is manufactured in a cold extrusion mode, the material utilization rate is improved, and the mechanical property of a product is guaranteed.
Drawings
FIG. 1 is a schematic illustration of a blank in an embodiment of the present invention;
FIG. 2 is a schematic view of a reformed blank in an embodiment of the present invention;
FIG. 3 is a schematic view of a reformed blank in an embodiment of the present invention;
FIG. 4 is a schematic view of a reformed blank in an embodiment of the present invention;
FIG. 5 is a schematic view of a reformed blank in an embodiment of the present invention;
FIG. 6 is a schematic view of a reformed blank in an embodiment of the present invention;
FIG. 7 is a schematic view of a reformed blank in an embodiment of the present invention;
FIG. 8 is a schematic view of a mold structure according to an embodiment of the present invention;
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.
Examples
As shown in the attached figures 1-7, the forming process of the stepped sleeve of the big washer comprises the following steps:
firstly, cutting;
secondly, shaping: and adding round corners to extrude the blank through a main die cavity, wherein the size of the round corners is 1/6 rod diameters.
Thirdly, reversing and reshaping;
fourthly, hole drawing;
fifthly, shaping the head;
sixthly, forming the washer and the step;
and step seven, punching and passing through waste materials.
As shown in fig. 8, the mold structure for molding the stepped sleeve of the large washer comprises a main mold shell 1, a movable mold core 2 with a tungsten steel mold core, a belleville spring 3, a mold core cushion block 4, a main mold push tube 5 with teeth, a main mold push pin 6, a main mold push pin fixing block 7, a main mold cushion block 8 and a main mold push pin 9, wherein the movable main mold core 2 with a tungsten steel mold core is arranged in an inner cavity of the main mold shell 1, one end of the main mold push pin 6 is embedded in the main mold push pin fixing block 7, the other end of the main mold push tube 5 with teeth penetrates through the main mold push tube 5 with teeth and extends into an inner cavity of the movable mold core 2 with a tungsten steel mold core, the mold core 4 is arranged in the inner cavity of the main mold shell 1 and supports against the movable mold core 2 with a tungsten steel mold core, one end of the main mold push tube 5 with teeth is embedded in the mold core cushion block 4, and the other end supports against the main mold push pin fixing block, the butterfly spring 3 is positioned in an inner cavity of the main mould shell 1, one end of the butterfly spring props against the mould core cushion block 4, the other end of the butterfly spring props against the main mould thimble fixing block 7, the main mould cushion block 8 props against the main mould thimble fixing block 7 and is locked at the opening of the main mould shell 1, and the main mould injection pin 9 penetrates through the main mould cushion block 8 and the main mould thimble fixing block 7 to prop against the main mould push pipe 5 with the flower teeth.
The belleville spring 3 is arranged in the mounting groove 10a of the spring limiting block 10.
The spring limiting block 10 is located in the inner cavity of the main formwork 1.
According to the forming process and the die structure of the stepped sleeve of the large washer, the stepped sleeve of the large washer is manufactured in a cold extrusion mode, the material utilization rate is improved, and the mechanical property of a product is guaranteed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A big washer casing pipe forming process with steps is characterized by comprising the following steps:
(1) cutting;
(2) shaping;
(3) reversing and reshaping;
(4) hole drawing;
(5) shaping the head;
(6) molding washers and steps;
(7) and punching the waste material.
2. The process for molding the stepped sleeve of the washer as claimed in claim 1, wherein: and (3) in the step (2), round corners are added to extrude the blank through a main die cavity, and the size of the round corners is 1/6 rod diameters.
3. The utility model provides a big washer takes sleeve pipe forming die structure of step which characterized in that: the mold comprises a main mold shell (1), a movable mold core (2) provided with a tungsten steel mold core, a belleville spring (3), a mold core cushion block (4), a main mold push pipe (5) with pattern teeth, a main mold thimble (6), a main mold thimble fixing block (7), a main mold cushion block (8) and a main mold injection pin (9), wherein the movable main mold core (2) provided with the tungsten steel mold core is arranged in an inner cavity of the main mold shell (1), one end of the main mold thimble (6) is embedded in the main mold thimble fixing block (7), the other end of the main mold thimble (6) penetrates through the main mold push pipe (5) with the pattern teeth and extends into an inner cavity of the movable mold core (2) provided with the tungsten steel mold core, the mold core cushion block (4) is arranged in the inner cavity of the main mold shell (1) and abuts against the movable mold core (2) provided with the tungsten steel mold core, one end of the main mold push pipe (5) with the pattern teeth is embedded in the mold, the other end supports main mould thimble fixed block (7), belleville spring (3) are located one end supports in the inner chamber of main mould shell (1) mould benevolence cushion (4), and the other end supports main mould thimble fixed block (7), main mould cushion (8) support main mould thimble fixed block (7) lock main mould shell (1) oral area, main die ejector pin (9) are followed main mould cushion (8) and main mould thimble fixed block (7) pass and support main mould push tube (5) of taking the flower tooth.
4. The die structure for molding the stepped sleeve of the washer as claimed in claim 3, wherein: the butterfly spring (3) is arranged in the mounting groove (10a) of the spring limiting block (10).
5. The die structure for molding the stepped sleeve of the washer as claimed in claim 4, wherein: the spring limiting block (10) is positioned in an inner cavity of the main formwork (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893612.3A CN111940533A (en) | 2020-08-31 | 2020-08-31 | Large washer stepped sleeve forming process and die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893612.3A CN111940533A (en) | 2020-08-31 | 2020-08-31 | Large washer stepped sleeve forming process and die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111940533A true CN111940533A (en) | 2020-11-17 |
Family
ID=73368123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010893612.3A Pending CN111940533A (en) | 2020-08-31 | 2020-08-31 | Large washer stepped sleeve forming process and die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111940533A (en) |
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2020
- 2020-08-31 CN CN202010893612.3A patent/CN111940533A/en active Pending
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