CN114309420A - Simple forming method and tool suitable for drift-rod end pier head - Google Patents
Simple forming method and tool suitable for drift-rod end pier head Download PDFInfo
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- CN114309420A CN114309420A CN202111472004.6A CN202111472004A CN114309420A CN 114309420 A CN114309420 A CN 114309420A CN 202111472004 A CN202111472004 A CN 202111472004A CN 114309420 A CN114309420 A CN 114309420A
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Abstract
The invention belongs to the technical field of machining, and particularly relates to a simple forming method and a tool suitable for a drift-rod end pier head; comprises a first clamping block, a second clamping block and a top block; the top block is of a step-shaped structure, the upper end of the top block is a stamping end face, the lower end of the top block is a forming shaft, and the end head of the forming shaft can be set to be different shapes according to forming requirements; the cross sections of the first clamping block and the second clamping block are L-shaped, a plurality of semicircular through grooves with different diameters are formed in the side faces of the first clamping block and the second clamping block, one end of each semicircular through groove is provided with a quarter-round groove, and the other end of each semicircular through groove is parallel and level; after the first clamping block is in butt joint with the second clamping block, a plurality of semicircular through grooves with different diameters form a cylindrical through groove, one end surface of the cylindrical through groove is flush and used for forming one type of pier head, and the other end surface of the cylindrical through groove is countersunk and used for forming the other type of pier head. The tool has short design and manufacturing period, compact structure and volume and convenient storage and carrying.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a simple forming method and tool suitable for a drift-rod end pier head.
Background
Because work needs to process poker class part fast, its major structure characteristics are that the end is the pier nose form of different grade type, and the material is high strength ferrous metal bar. The parts are generally processed by adopting a special cold heading die, the design and manufacturing period of the special cold heading die is long, the universality is not high, and the special cold heading die is not suitable for the production of parts with less production batch and large structural difference; after the parts are machined, the conventional assembly tool is not beneficial to taking out the machined parts because the end heads are deformed during machining. For the small-batch forming of the parts, the efficiency is not effectively improved all the time.
Disclosure of Invention
The invention provides a universal simple forming tool for small-batch different structures of parts.
The invention adopts the technical scheme that the simple forming tool suitable for the drift-rod end pier head comprises a first clamping block, a second clamping block and a top block; the top block is of a step-shaped structure, the upper end of the top block is a stamping end face, the lower end of the top block is a forming shaft, and the end head of the forming shaft can be set to be different shapes according to forming requirements; the cross sections of the first clamping block and the second clamping block are L-shaped, a plurality of semicircular through grooves with different diameters are formed in the side faces of the first clamping block and the second clamping block, one end of each semicircular through groove is provided with a quarter-round groove, and the other end of each semicircular through groove is parallel and level; after the first clamping block is in butt joint with the second clamping block, a plurality of semicircular through grooves with different diameters form a cylindrical through groove, one end surface of the cylindrical through groove is flush and used for forming one type of pier head, and the other end surface of the cylindrical through groove is countersunk and used for forming the other type of pier head.
Preferably, the first clamping block and the second clamping block are matched to restrain movement of the poker and control positioning of the poker, and the end of the top block is provided with a forming cavity which is consistent with the requirement on the appearance of the pier head of the part to be formed.
Preferably, the size of an inner cavity formed by the combination of the first clamping block and the second clamping block is matched with a part to be processed, and the radius size is controlled according to-0.5 mm.
Preferably, the first clamping block and the second clamping block are flush and used for forming the pier-like head, and a round angle of 0.2mm is chamfered at the intersection of the surface of the clamping block and the surface of the cavity.
Preferably, the first clamping block and the second clamping block are combined and then clamped into a whole through the clamp.
Preferably, the diameter of the cylindrical through groove formed after the first clamping block and the second clamping block are combined linearly changes; so as to realize the forming of a series of drift-strip end pier heads.
The forming principle of the invention is as follows: and (3) under the positioning and clamping fixing of the clamping blocks, the bar stock is subjected to cold heading processing on the part of redundant bar stock protruding out of the surfaces of the clamping blocks by applying external force to the jacking blocks or the iron hammers. And adjusting and curing the positioning size of the steel bar through the overall dimension of the end head formed by cold heading. The overall dimension of the drift-rod pier head can be controlled directly by a polishing mode.
Has the advantages that: the tool has short design and manufacturing period, compact structure and volume and convenient storage and carrying. And the clamping grooves with different diameters and the jacking blocks with different specifications can be designed simultaneously, so that the forming device is used for forming the poker with various specifications and forms, and has strong universality. The method is beneficial to promoting the rapid production processing and verification work of small-batch and different structures; the design of the block combined type clamping block is adopted, so that the clamping and fixing of the part to be processed are facilitated, and the clamping stability is ensured; the machined part is convenient to directly take out after being machined.
Drawings
FIG. 1 is an axial schematic view of the tool of the present invention;
FIG. 2 is a schematic cross-sectional view of a tool top block of the present invention;
FIGS. 3-4 are schematic views of a part forming process;
the machining method comprises the following steps of 1-first clamping block, 2-second clamping block, 3-top block and 4-steel bar to be machined.
Detailed Description
The invention is described in further detail below with reference to the drawings.
A method and a tool suitable for simple forming of a drift-rod end pier head are disclosed, wherein the forming tool comprises a first clamping block 1, a second clamping block 2 and a top block 3; in the tool, the sizes of the inner cavities of a first clamping block 1 and a second clamping block 2 are coordinated with the diameter of a poker; one side surfaces of the first clamping block 1 and the second clamping block 2 are flush, and the first clamping block and the second clamping block are used for forming a pier head type. The other side surfaces of the first clamping block 1 and the second clamping block 2 are countersunk for forming another pier head form. The mold body is provided with a top block 3 with an inner cavity consistent with the profile of the poker pier head, as shown in figure 1.
During specific design, the top block 3 is a structure matched with the stamping mechanism, a detachable design is adopted, the structure is correspondingly arranged according to a part to be stamped and the shape of stamping forming, and the top block 3 comprises a connecting seat and a forming shaft and can be integrally cast and formed; the end part of the forming shaft is provided with a forming cavity.
The sizes of the inner cavities of the first clamping block 1 and the second clamping block 2 are matched with the steel wire, and the radius size is controlled according to-0.5 mm, so that the reliable matching precision is ensured, and the forming quality is ensured.
In the specific implementation process, as an implementable case, for the two clamping blocks, after combination, the two clamping blocks are used as clamping and fixing components of the steel bar to be processed on one hand, and are used as a stamping forming workbench surface on the other hand, and enough strength and rigidity need to be ensured; one side surfaces of the first clamping block 1 and the second clamping block 2 are flush and used for forming a pier head type, and a round angle of 0.2mm is chamfered at the intersection of the surface of the clamping blocks and the surface of the inner cavity. The other side surfaces of the first clamping block 1 and the second clamping block 2 are countersunk for forming another pier head form.
The shaping cavity on the top block 3 is in accordance with the requirement of the appearance of the pier head of the part, and the cross section of the top block 3 is shown in figure 2.
According to the method, the steel bar to be processed with the corresponding specification is placed in the grooves with the corresponding specification of the first clamping block 1 and the second clamping block 2, the allowance of the end is placed on the front side or the back side of the clamping blocks according to the specification of the formed poker end, after positioning is completed, the first clamping block 1 and the second clamping block 2 are clamped through the vice, meanwhile, the steel bar is clamped, and the restraint of the movement of the steel bar and the control of the positioning of the steel bar are completed, as shown in fig. 2. And selecting a top block 3 with the corresponding specification according to the specification of the poker end, and performing cold heading forming on the allowance of the end to form the poker cold heading pier head. As shown in fig. 3 and 4.
In the process of machining and forming, according to the selection of a punching machine tool, corresponding program control instructions can be designed, and the top blocks 3 corresponding to various pier head forms to be formed are regularly placed in advance; after one pier head is formed by punching, the top blocks corresponding to other pier heads are automatically replaced; sequentially circulating to complete the punch forming of the same batch of steel bars; the processing efficiency can be further improved by program control, and the processing quality is ensured.
The tool provided by the invention can obviously shorten the forming design and the manufacturing period of the drift-strip part end pier head, the appearance structure consistency of a punch-formed product is high, and the product percent of pass is obviously improved; compact structure volume, convenient storage and carrying. And the clamping grooves with different diameters and the jacking blocks with different specifications can be designed simultaneously, so that the forming device is used for forming the poker with various specifications and forms, and has strong universality. The method is beneficial to promoting the rapid production processing and verification work of small-batch and different structures; the design of the block combined type clamping block is adopted, so that the clamping and fixing of the part to be processed are facilitated, and the clamping stability is ensured; the machined part is convenient to directly take out after being machined.
It should be noted that the tool and the method for forming the stem end abutment disclosed in the present embodiment only exemplify some design forms that can be realized, and should include various components, features and functions; elements that perform the essential functions and the manner of assembling them, not exhaustive, are considered conventional techniques that may be implemented. It should be understood that the embodiments of the forming tool and method disclosed herein may include any number of combinations, such as several specially implemented ejector blocks, clamping blocks, and in principle, other simple variations in the arrangement of the ejector blocks to achieve the stamping of the drift-end pier, such as variations in the number of cylindrical through slots and simple variations in the arrangement of the through slots, should be considered as equivalent designs to the present invention, and such variations are within the scope of the present invention.
Claims (8)
1. A simple forming tool suitable for a drift-rod end pier head is characterized by comprising a first clamping block, a second clamping block and a jacking block; the top block is of a step-shaped structure, the upper end of the top block is a stamping end face, the lower end of the top block is a forming shaft, and the end head of the forming shaft can be set to be different shapes according to forming requirements; the cross sections of the first clamping block and the second clamping block are L-shaped, a plurality of semicircular through grooves with different diameters are formed in the side faces of the first clamping block and the second clamping block, one end of each semicircular through groove is provided with a quarter-round groove, and the other end of each semicircular through groove is parallel and level; after the first clamping block is in butt joint with the second clamping block, a plurality of semicircular through grooves with different diameters form a cylindrical through groove, one end surface of the cylindrical through groove is flush and used for forming one type of pier head, and the other end surface of the cylindrical through groove is countersunk and used for forming the other type of pier head.
2. The simple forming tool for the drift-rod-end pier head of claim 1, wherein the first clamping block is matched with the second clamping block for restraining the movement of the drift rod and controlling the positioning of the drift rod, and the end of the top block is provided with a forming cavity which is consistent with the shape requirement of the pier head of a part to be formed.
3. The simple forming tool for the drift-rod-end pier head of claim 2, wherein the size of an inner cavity formed by the combination of the first clamping block and the second clamping block is matched with a part to be processed, and the radius size is controlled to be-0.5 mm.
4. The simple forming tool for the poker end pier head of claim 3, wherein the first clamping block and the second clamping block are combined, and a round angle of 0.2mm is chamfered at the intersection of the surface of the clamping block and the surface of the cavity at one side of the groove.
5. The simple forming tool for the drift-rod-end pier head of claim 4, wherein the diameter of the cylindrical through groove formed by the first clamping block and the second clamping block is changed linearly.
6. The simple forming tool for the drift-rod-end pier head of claim 5, wherein the first clamping block and the second clamping block are combined and then clamped into a whole through a clamp.
7. The simple forming tool for a drift-end pier head as claimed in claim 6, wherein the clamp is a vice.
8. A simple forming method suitable for a drift-rod end pier head, which adopts the forming tool of any one of claims 1 to 7 and is characterized in that,
placing a steel bar to be processed with a corresponding specification in a groove with a corresponding specification of a first clamping block and a second clamping block, placing end allowance on the front side or the back side of the clamping blocks according to the specification of the end of the formed poker bar according to the visual condition, clamping the first clamping block and the second clamping block through a vice after positioning is completed, simultaneously clamping the steel bar, and completing the restraint of the movement of the steel bar and the control of the positioning of the steel bar; and selecting a top block with the corresponding specification according to the specification of the poker bar end, and performing cold heading forming on the allowance of the end to form the poker bar cold heading pier head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111472004.6A CN114309420A (en) | 2021-12-03 | 2021-12-03 | Simple forming method and tool suitable for drift-rod end pier head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111472004.6A CN114309420A (en) | 2021-12-03 | 2021-12-03 | Simple forming method and tool suitable for drift-rod end pier head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114309420A true CN114309420A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111472004.6A Pending CN114309420A (en) | 2021-12-03 | 2021-12-03 | Simple forming method and tool suitable for drift-rod end pier head |
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| CN (1) | CN114309420A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324883B1 (en) * | 1998-02-03 | 2001-12-04 | Kongsberg Automotive Asa | Method and tool for formation of an enlarged end portion of a bar |
| CN101804608A (en) * | 2010-03-08 | 2010-08-18 | 宝利根(成都)精密模塑有限公司 | Fixing device of round piece |
| CN102000998A (en) * | 2010-11-12 | 2011-04-06 | 吴江市菀坪镙丝厂 | Round bar processing tool |
| CN204366516U (en) * | 2014-12-20 | 2015-06-03 | 重庆迎瑞升压铸有限公司 | Columnar workpiece fixture |
| CN105057531A (en) * | 2015-08-11 | 2015-11-18 | 周兆弟 | Rapid heading method of steel bar end |
| CN205613955U (en) * | 2016-03-31 | 2016-10-05 | 朱秀麒 | Accurate positioning, Simplified operation and expander structure of easily carrying |
| CN208495678U (en) * | 2018-05-29 | 2019-02-15 | 沈阳飞机工业（集团）有限公司 | Poker class part upsetting molding jig |
| CN214768516U (en) * | 2020-12-07 | 2021-11-19 | 山东德瑞矿山机械有限公司 | Bending machine with flexible size adjustment |
-
2021
- 2021-12-03 CN CN202111472004.6A patent/CN114309420A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324883B1 (en) * | 1998-02-03 | 2001-12-04 | Kongsberg Automotive Asa | Method and tool for formation of an enlarged end portion of a bar |
| CN101804608A (en) * | 2010-03-08 | 2010-08-18 | 宝利根(成都)精密模塑有限公司 | Fixing device of round piece |
| CN102000998A (en) * | 2010-11-12 | 2011-04-06 | 吴江市菀坪镙丝厂 | Round bar processing tool |
| CN204366516U (en) * | 2014-12-20 | 2015-06-03 | 重庆迎瑞升压铸有限公司 | Columnar workpiece fixture |
| CN105057531A (en) * | 2015-08-11 | 2015-11-18 | 周兆弟 | Rapid heading method of steel bar end |
| CN205613955U (en) * | 2016-03-31 | 2016-10-05 | 朱秀麒 | Accurate positioning, Simplified operation and expander structure of easily carrying |
| CN208495678U (en) * | 2018-05-29 | 2019-02-15 | 沈阳飞机工业（集团）有限公司 | Poker class part upsetting molding jig |
| CN214768516U (en) * | 2020-12-07 | 2021-11-19 | 山东德瑞矿山机械有限公司 | Bending machine with flexible size adjustment |
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