CN112719200B - Method for forming lifting ring rod part of water faucet - Google Patents
Method for forming lifting ring rod part of water faucet Download PDFInfo
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- CN112719200B CN112719200B CN202011323665.8A CN202011323665A CN112719200B CN 112719200 B CN112719200 B CN 112719200B CN 202011323665 A CN202011323665 A CN 202011323665A CN 112719200 B CN112719200 B CN 112719200B
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- cavity
- lifting ring
- rod part
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- faucet
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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
- B21K1/20—Making machine elements valve parts
- B21K1/205—Making machine elements valve parts rocker arms
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Abstract
The invention discloses a method for forming a lifting ring rod part of a faucet, which is implemented according to the following steps: step 1, obtaining the weight of a raw material according to the size of a faucet lifting ring, blanking according to the weight, and heating to the initial forging temperature; 2, adopting a ball head forging die to throw ball heads at two ends, and roughly forging other residual blanks to the size of a blank large table; step 3, adopting a special die to carry out rounding on the roots of the ball heads at two ends without feeding; and 4, feeding from the root parts of the ball heads at the two ends to the middle large platform of the water faucet lifting ring rod part, performing circle throwing at the feeding position, repeating the step n times until the length L between the root part of the ball head and the end part of the middle large platform meets the size requirement, stopping forging, and 5, using the rest blank as a material for the middle large platform, and performing circle throwing on the blank on a flat anvil to finish the forming of the water faucet lifting ring rod part. The forming method solves the problems of poor dimensional accuracy and high production difficulty of the lifting ring rod part of the existing faucet.
Description
Technical Field
The invention belongs to the technical field of faucet lifting ring forging, and particularly relates to a method for forming a rod part of a faucet lifting ring.
Background
The water tap lifting ring belongs to a typical bilateral symmetry type part and is widely applied to an oil rig system. The rod parts at the two ends of the product are strictly symmetrical, and the diameters of the rod parts are sequentially increased from the two ends to the middle, so that the product has uniform taper. The traditional production method is free forging to ensure the taper, and the product has the defects of poor surface finish, large machining allowance of the post procedure and the like. Moreover, due to the reasons that the roundness of the blanks after cogging is poor, the fire consumption is difficult to master and the like, the two ends of the blanks are difficult to accurately distribute, the diameter size or the length size of the two formed sides has larger difference, the requirements cannot be met, and the production difficulty is higher. Therefore, how to accurately distribute materials, improve the surface quality of products and reduce the machining allowance becomes a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a method for forming a water faucet lifting ring rod part, and solves the problems of poor size accuracy and high production difficulty of the existing water faucet lifting ring rod part.
The technical scheme adopted by the invention is that the method for forming the stem part of the faucet lifting ring is implemented according to the following steps:
step 1, obtaining the weight of a raw material according to the size of a faucet lifting ring, blanking according to the weight, heating to the initial forging temperature, and preserving heat to obtain a blank;
2, adopting a ball head forging die to throw ball heads at two ends, and roughly forging other residual blanks to the size of a blank large table;
and 5, taking the rest blank forged in the step 4 as a middle large platform material, and forging the blank on a flat anvil to form a circle, namely finishing the forming of the faucet lifting ring rod part.
The present invention is also characterized in that,
in the step 1, the initial forging temperature is 1150-sand 1180 ℃, and the heat preservation time is 3 h.
The special mold in step 3 comprises: an upper die and a lower die which are symmetrically arranged,
the upper die comprises a body a, the bottom of the body a is provided with a cavity a with a taper along the axial direction, and two ends of the cavity a are respectively provided with an upturned cavity a;
the lower die comprises a body b, a cavity b with a taper is arranged at the bottom of the body b along the axial direction of the body b, and two ends of the cavity b are respectively provided with an upturned cavity b.
The cavity a and the cavity b form a truncated cone-shaped cavity; the cavity a and the cavity b at the same side form a horn-shaped cavity.
The taper of the cavity a and the cavity b is consistent with the taper of the rod part of the water faucet lifting ring.
And 3, before the round is broken, the press pressing amount is determined when the diameter of the smaller end of the round table-shaped cavity is equal to the diameter of the end, close to the ball head, of the faucet lifting ring rod part.
The feeding distance B' in the step 4 is half of the length B of the cavity, and the reduction t is reduced, then
In the formula, n is the repeated times, B' is the feeding distance, B is the length of the cavity, L is the length between the root of the ball head and the end of the middle big platform, D 1 Is the diameter of the rod part near one end of the ball head, D 2 Is the diameter of the rod part close to one end of the middle big platform.
The invention has the beneficial effects that: the method for forming the water faucet lifting ring rod part accurately obtains the weight of the required material according to the size of the water faucet lifting ring, and gradually falls into a circle from the root parts of ball heads at two ends to a large platform in the middle of the water faucet lifting ring rod part, so that the materials at two sides are ensured to be uniformly distributed, the surface smoothness of the rod part surface and the taper of the rod part are ensured through a cavity of a special die, the surface quality of the water faucet lifting ring is improved, and the materials are saved.
Drawings
FIG. 1 is a schematic view of a faucet bail of the present invention in a method for forming the stem of a faucet bail;
FIG. 2 is a schematic view of step 3 of a method of forming a stem portion of a faucet bail of the present invention;
FIG. 3 is a schematic view of step 4 of a method of forming a stem portion of a faucet bail of the present invention;
FIG. 4 is a front view of an upper die used in a method of forming a stem portion of a faucet bail of the present invention;
FIG. 5 is a side view of an upper die used in a method of forming a stem portion of a faucet bail of the present invention;
FIG. 6 is a front view of a lower die used in a method of forming a stem portion of a faucet bail of the present invention;
fig. 7 is a side view of a lower die used in a method of forming a stem portion of a faucet bail in accordance with the present invention.
In the figure, 1 is a faucet lifting ring, 2 is a body a, 3 is a cavity a, 4 is a cavity a, 5 is a body b, 6 is a cavity b, 7 is a cavity b, 8 is an upper die, and 9 is a lower die.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a method for forming a rod part of a water faucet lifting ring, as shown in figure 1, the water faucet lifting ring 1 comprises a large platform, rod parts are symmetrically arranged at two ends of the large platform, and ball heads are symmetrically arranged at one end, far away from the large platform, of the rod part;
the method is implemented according to the following steps:
step 1, obtaining the weight of the raw materials according to the size of a faucet lifting ring 1, blanking according to the weight, heating to the initial forging temperature of 1150-;
2, adopting a ball head forging die to throw ball heads at two ends, and roughly forging other residual blanks to the size of a blank large table;
as shown in fig. 2, in step 3, a special die is used for rounding the roots of the ball heads at two ends prepared in step 2, and the pressing amount of a press is determined before rounding when the diameter of the smaller end of the cavity of the special die is equal to the diameter of the end, close to the ball head, of the rod part of the water faucet lifting ring 1, and the press is not fed;
wherein, special mould includes: an upper die 8 and a lower die 9 which are symmetrically arranged,
as shown in fig. 4 and 5, the upper die comprises a body a2, a tapered cavity a3 is arranged at the bottom of the body a2 along the axial direction, and two ends of the cavity a3 are respectively provided with an upturned cavity a 4;
as shown in fig. 6 and 7, the lower die comprises a body b5, a tapered cavity b6 is arranged at the bottom of the body b5 along the axial direction, and two ends of the cavity b6 are respectively provided with an upturned cavity b 4;
the taper of the cavity a3 and the cavity b6 is consistent with the taper of the rod part of the water tap lifting ring 1;
the cavity a3 and the cavity b6 form a truncated cone-shaped cavity; the cavity a4 and the cavity b4 on the same side form a horn-shaped cavity;
as shown in fig. 3, step 4, feeding the ball heads from the ball head roots at the two ends after the ball heads are rounded in the step 3 to the middle big platform of the rod part of the water faucet lifting ring 1, rounding at the feeding position, repeating the step n times, and stopping forging when the length L between the ball head roots and the middle big platform end meets the size requirement;
the feeding distance B' is half of the length B of the cavity, and the reduction t is smaller than
In the formula, n is the repeated times, B' is the feeding distance, B is the length of the cavity, L is the length between the root of the ball head and the end of the middle big platform, D 1 Is the diameter of a rod part near one end of the ball head, D 2 The diameter of the rod part close to one end of the middle big table;
step 5, using the residual blank forged in the step 4 as a material for a middle big table, and forging the blank on a flat anvil to round to enable the diameter D of the big table 3 And the length S meets the design requirement and stops, and the forming of the water faucet lifting ring rod part is completed.
Through the mode, the method for forming the rod part of the water faucet lifting ring ensures the smooth finish of the surface of the rod part and the taper of the rod part through the cavity of the special die, improves the surface quality of the water faucet lifting ring, saves materials, accurately obtains the weight of the required materials according to the size of the water faucet lifting ring, and gradually falls into a circle from the root parts of ball heads at two ends to a large middle platform of the rod part of the water faucet lifting ring, so that the materials at two sides are uniformly distributed, the diameter sizes of the rod parts at two ends are consistent, the sizes are accurate, and the production process is simple.
Claims (3)
1. A method for forming a faucet handle is characterized by comprising the following steps:
step 1, obtaining the weight of a raw material according to the size of a faucet lifting ring (1), blanking according to the weight, heating to the forging starting temperature, and preserving heat to obtain a blank;
2, adopting a ball head forging die to throw ball heads at two ends, and roughly forging other residual blanks to the size of a blank large table;
step 3, adopting a special die to carry out rounding on the roots of the ball heads at two ends prepared in the step 2 without feeding;
before the round is thrown, the pressing amount of a press is determined when the diameter of the smaller end of the round table-shaped cavity is equal to the diameter of the end, close to the ball head, of the rod part of the faucet lifting ring (1);
the special mould comprises: an upper die (8) and a lower die (9), the upper die and the lower die are symmetrically arranged,
the upper die comprises a body a (2), a cavity a (3) with a taper is arranged at the bottom of the body a (2) along the axial direction of the body a, and two ends of the cavity a (3) are respectively provided with an upturned cavity a (4);
the lower die comprises a body b (5), a cavity b (6) with a taper is arranged at the upper part of the body b (5) along the axial direction of the body b, and two ends of the cavity b (6) are respectively provided with a cavity b (7) which is warped downwards;
the cavity a (3) and the cavity b (6) form a truncated cone-shaped cavity; the cavity a (4) and the cavity b (7) on the same side form a horn-shaped cavity;
the conicity of the cavity a (3) and the cavity b (6) is consistent with that of the rod part of the water faucet lifting ring (1);
step 4, feeding the ball heads at the two ends of the ball heads subjected to the rounding in the step 3 to the middle large platform of the rod part of the water faucet lifting ring (1), rounding at the feeding position, repeating the step n times, and stopping forging until the length L between the ball heads and the end part of the middle large platform meets the size requirement;
and 5, taking the rest blank forged in the step 4 as a middle large platform material, and forging the blank on a flat anvil to form a circle, namely finishing the forming of the faucet lifting ring rod part.
2. The method as claimed in claim 1, wherein the forging temperature in step 1 is 1150-1180 ℃ and the holding time is 3 h.
3. The method of claim 1, wherein the distance B fed in step 4 is greater than the distance B fed in step 4 ， The length of the cavity is half of the length B of the cavity, the reduction t is smaller, and then
Wherein n is the number of repetitions, B ， For the distance of feeding, B is the length of the cavity, L is the length between the root of the ball head and the end of the middle large platform, D 1 Is the diameter of a rod part near one end of the ball head, D 2 Is the diameter of the rod part close to one end of the middle big platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011323665.8A CN112719200B (en) | 2020-11-23 | 2020-11-23 | Method for forming lifting ring rod part of water faucet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011323665.8A CN112719200B (en) | 2020-11-23 | 2020-11-23 | Method for forming lifting ring rod part of water faucet |
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| Publication Number | Publication Date |
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| CN112719200A CN112719200A (en) | 2021-04-30 |
| CN112719200B true CN112719200B (en) | 2022-08-05 |
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| CN202011323665.8A Active CN112719200B (en) | 2020-11-23 | 2020-11-23 | Method for forming lifting ring rod part of water faucet |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100371129C (en) * | 2006-01-11 | 2008-02-27 | 重庆工学院 | Tech. for forging forming of hook fastener flame of wagon and maould thereof |
| JP2010036212A (en) * | 2008-08-05 | 2010-02-18 | Jtekt Corp | Method for manufacturing ball stud |
| CN101579805A (en) * | 2009-06-23 | 2009-11-18 | 南通林德机电有限公司 | Hot die-pressing production technique of shackle and die thereof |
| CN102205385B (en) * | 2011-03-03 | 2013-04-17 | 宝鸡石油机械有限责任公司 | Method for die-forging forging piece by adopting single-arm hoisting ring for petroleum drilling |
| CN103071753B (en) * | 2012-08-22 | 2015-01-07 | 昌利锻造有限公司 | Forging method of ball valve stem |
| CN108973567A (en) * | 2018-08-31 | 2018-12-11 | 北京航大新材科技有限公司 | The split type I type distance rod of aluminium alloy and its preparation process and agitating friction are welded method of completing the square |
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