CN114346607B - Processing method of six-way connecting piece - Google Patents
Processing method of six-way connecting piece Download PDFInfo
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- CN114346607B CN114346607B CN202111658648.4A CN202111658648A CN114346607B CN 114346607 B CN114346607 B CN 114346607B CN 202111658648 A CN202111658648 A CN 202111658648A CN 114346607 B CN114346607 B CN 114346607B
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- 238000003672 processing method Methods 0.000 title claims abstract description 27
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- 210000004907 gland Anatomy 0.000 claims description 29
- 230000006835 compression Effects 0.000 claims description 16
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- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000005553 drilling Methods 0.000 claims description 11
- 238000005242 forging Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
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- 238000007514 turning Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
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- 210000002219 extraembryonic membrane Anatomy 0.000 description 1
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Abstract
The invention discloses a processing method of a six-way connecting piece, which comprises the following steps: the six-way connecting piece is clamped by a first clamp, the total height of the six-way connecting piece is processed, and the vertical columnar body is processed into a vertical tubular body; the center of the six-way connecting piece is machined to be high through clamping by a second clamp, then the left column body is machined to be a left tubular body, and chamfering treatment is carried out; the third clamp clamps the product to finish the processing of the total width of the product; and clamping by a fourth clamp to finish an opening processing. The invention provides a processing method of a six-way connecting piece, and the tolerance range, the ball passing requirement and the product size of the six-way connecting piece processed by the method can meet the requirements, so that the precision requirement of the product is ensured, the quality of the product is greatly improved, and the actual requirements can be met.
Description
Technical Field
The invention relates to the technical field of forging processing in mechanical manufacturing, in particular to a processing method of a six-way connecting piece.
Background
The six-way connecting piece is a liquid (gas) conveying pipeline component of a supercritical thermal power boiler circulating system, is a high-pressure elbow pipe fitting, is used for turning at different angles at the turning position of the high-pressure pipeline, and has the effects of bearing high temperature and high pressure and resisting corrosion. The proportion of all the pipes used in the high-pressure pipe system is at most about 85%. The component can realize the diversion or collection of the liquid (gas) of the boiler pipeline, thereby achieving the effective control of the temperature, pressure and flow in the pipeline and ensuring the normal operation of the system.
The wall thickness of the six-way connecting piece is thicker than that of a common elbow, and the high-pressure resistance strength of the material is higher than that of the common elbow, so that the forging machine has high machining requirements, great difficulty and the like.
The six-way connecting piece is formed by die forging 3 groups of branch pipes which are irregularly arranged at one time by using a fetal membrane forging technology. The appearance structure is complex, the mutual positions of the branch pipes are not uniform, the length is uneven, and the manufacturing process is easy to deform; the multi-station machining conversion is complicated in machining process, the requirements on the position distance between the branch pipes are high, the control difficulty of the shape and position tolerance is high, and the control requirement on the hole machining size is high.
The existing six-way connecting piece machining method has the defects that stations are more in machining, clamping times are complex, machining and positioning are difficult to achieve, the surface of a processed workpiece is difficult to achieve the technical requirements of size, geometric shape, mutual position precision with other surfaces and the like specified by drawings, and the machining quality cannot meet production requirements.
Disclosure of Invention
In view of the fact that the product size and the precision obtained by the six-way connecting piece processing method in the prior art cannot meet the production requirement, the tolerance range, the ball passing requirement and the product size of the six-way connecting piece processing method provided by the invention can meet the requirements, and the precision requirement of the product is ensured.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical scheme:
a processing method of a six-way connecting piece comprises the following steps:
the six-way connecting piece is clamped by a first clamp, the total height of the six-way connecting piece is processed, and the vertical columnar body is processed into a vertical tubular body;
the center of the six-way connecting piece is machined to be high through clamping by a second clamp, then the left column body is machined to be a left tubular body, and chamfering treatment is carried out;
the third clamp clamps the product to finish the processing of the total width of the product;
and (5) clamping by a fourth clamp to finish the deep processing of the opening and the chamfering processing after the opening. According to one aspect of the invention, the first clamp positions and fixes the six-way connection piece so that the vertical column body faces upwards, and the total height is processed to a preset height value.
According to one aspect of the invention, the second clamp positions and fixes the six-way connecting piece to enable the left-hand columnar body to face upwards, the center height of the machining reference hole is a preset height value to the end part, the distance between the positioning holes is a preset value, the center hole is drilled, rough drilling and finish boring are carried out, and the hole drilling of the left-hand columnar body is completed.
According to one aspect of the invention, the third clamp is used for transversely positioning and fixing the six-way connecting piece, so that the total width of the product reaches the preset width.
According to one aspect of the invention, the fourth clamp positions and fixes the six-way connecting piece so that the left-way pipe faces upwards, and the depth of the machined opening is a preset value and the chamfering angle after the machining of the opening is a preset angle.
According to one aspect of the invention, the first clamp comprises a bottom plate, a positioning pin is arranged on the bottom plate, one end of the bottom plate is connected with a compression bolt, the other end of the bottom plate is provided with a clamping seat, a gland is connected to the clamping seat, a hollow cavity is arranged in the middle of the gland and is used for accommodating a vertical column, two sides of the gland are connected with two positioning baffles and are used for positioning and clamping plate-shaped fixing pieces of the six-way connecting piece, the gland is rotatably connected to the upper end of the clamping seat, when the gland rotates around the clamping seat and is arranged on the six-way connecting piece, the free end of the compression bolt is connected with the free end of the gland, and the compression bolt is matched with the positioning pin and the positioning baffles to position and clamp the six-way connecting piece, so that the vertical column of the six-way connecting piece faces upwards, and the middle vertical column of the vertical column is positioned in the hollow cavity.
According to one aspect of the invention, the method further comprises selecting a group of reference holes, and positioning and clamping are performed by using the same group of reference holes all the time in the processing method.
According to one aspect of the invention, the set of reference holes is a set of tube holes of a vertical tubular body.
According to one aspect of the invention, the chamfering process of the vertical tubular body is finished finally by positioning and fixing the six-way connecting piece through the first clamp to enable the vertical tubular body to face upwards.
In accordance with one aspect of the invention, the method further comprises performing auxiliary finishing with auxiliary equipment.
The implementation of the invention has the advantages that: the invention provides a processing method of a six-way connecting piece, which is characterized in that through reasonable process design, proper fixture is selected, optimized processing parameters are designed, each region of the six-way connecting piece is respectively subjected to finish machining according to the required size, and the complex six-way connecting piece is obtained after the six-way connecting piece is processed to the required size. The size and shape of the six-way connector are fully achieved by finishing. The six-way connecting piece processed by the processing method can meet the requirements of tolerance range, ball passing requirement and product size, ensure the precision requirement of the product, greatly improve the quality of the product and meet the actual requirements.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic process flow diagram of a method for manufacturing a six-way connector according to the present invention;
FIG. 2 is a schematic station diagram of a method of processing a six-way connector according to the present invention;
FIG. 3 is a schematic view of a first clamp;
FIG. 4 is a schematic view of a first station clamp;
FIG. 5 is a schematic view of a second clamp;
FIG. 6 is a second station clamping schematic;
FIG. 7 is a schematic view of a third clamp;
FIG. 8 is a third station clamping schematic;
FIG. 9 is a fourth clamp schematic;
FIG. 10 is a fourth station clamping schematic;
FIG. 11 is a fifth clamp schematic;
FIG. 12 is a top view of a fifth clamp;
fig. 13 is a fifth station clamping schematic.
In fig. 1 to 13, the bottom plate 01, the clamping seat 02, the gland 03, the positioning pin 04, the positioning support pin 05, the compression bolt 06, the positioning baffle 07, the bottom plate 11, the positioning plate 12, the support plate 13, the gland 14, the positioning pin 15, the positioning support pin 16, the compression bolt 17, the bottom plate 21, the clamping seat 22, the gland 23, the positioning baffle 24, the first positioning pin 25, the positioning support pin 26, the compression bolt 27, the second positioning pin 28, the bottom plate 31, the support plate 32, the clamping seat 33, the positioning support pin 34, the positioning pin 35, the bottom plate 041, the support plate 042, the clamping seat 043, the positioning pin 044, the positioning support pin 045, the vertical column 1, and the left column 2.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-13, the present invention is a method of manufacturing a six-way connector. The six-way connecting piece to be processed in the invention is formed by die forging 3 groups of branch pipes which are irregularly arranged through a die forging technology. The method specifically comprises the following steps: plate-like fixing members, three through pipes, one part of which is arranged parallel to the plate-like fixing members and one part of which is arranged perpendicular to the plate-like fixing members. The part of the through pipe, which is parallel to the plate-shaped firmware, is arranged in the plate-shaped firmware and is integrally connected with the plate-shaped firmware, which is called a left-oriented column body 2, the through pipe is bent at 90 degrees in the plate-shaped firmware, and the part of the through pipe, which is perpendicular to the plate-shaped firmware, is positioned on the same surface of the plate-shaped firmware, which is called a vertical column body 1. In the machining process of the six-way connecting piece finished product, planer milling machine, numerical control machine, vertical drill, boring machine and other equipment are adopted, and the dimensional accuracy and the finish degree are ensured to meet the requirements through reasonable technological machining methods. Specifically, the processing method of the six-way connecting piece comprises the following steps: the six-way connecting piece is clamped by a first clamp, the total height of the six-way connecting piece is processed to a preset value, and a vertical columnar body 1 is perforated to be processed into a vertical tubular body; the center of the six-way connecting piece is processed to reach a preset value through the clamping of the second clamp, then the left column body 2 is processed into a left tubular body, and chamfering treatment is carried out; the third clamp clamps the product to finish the processing of the total width of the product; and clamping by a fourth clamp to finish an opening processing.
Through the processing method of the six-way connecting piece, reasonable process design, proper fixture and optimized processing parameter design are adopted, each area of the six-way connecting piece is respectively subjected to finish machining according to the required size, and after the six-way connecting piece is processed to the required size, the six-way connecting piece is obtained. The size and shape of the six-way connection piece can completely meet the production requirement by finishing.
According to the invention, the six-way connecting piece is positioned, clamped and fixed through the first clamp, so that the vertical columnar body 1 faces upwards, the total machining height is 90mm, the hole distance is positioned, the center hole is drilled, the rough drilling and the fine boring are carried out, and the hole drilling of the vertical columnar body 1 is completed.
According to the invention, the six-way connecting piece is positioned, clamped and fixed through the second clamp, so that the left-hand columnar body 2 faces upwards, the center height of a machining reference hole is 83.5mm to the end part, the positioning hole distance is 54mm, then the center hole is drilled, the hole is roughly drilled, the hole is finely bored, the hole drilling of the left-hand columnar body 2 is completed, and the machining treatment of 5-degree chamfering, 35-degree chamfering and 7-degree chamfering of the hole is carried out.
In the invention, the third clamp is used for transversely positioning and fixing the six-way connecting piece, so that the processing of the total width of the product of 159.5mm is completed.
The opening machining comprises clamping by a fourth clamp, and finishing the deep machining of the opening and chamfering machining after the opening. Specifically, the tool clamp comprises a fourth clamp and a fifth clamp, and the distance from the machined opening to the end reaches a preset distance through clamping of the fourth clamp. And clamping by a fifth clamp, and chamfering the plane of the machined opening to a preset angle. In practical application, the opening is machined by machining equipment to be 20mm away from the end, and the plane is chamfered by 35 degrees. In order to simplify the operation and save steps, the fifth clamp can be formed by rotating and changing the fourth clamp.
In order to enable the six-way connecting piece of the product to reach the tolerance range and the ball passing requirement and ensure the uniformity of the product size, a uniform group of holes must be selected as the reference in the process conversion, and the clamp always uses the same group of holes for positioning and clamping in the processing process, so that the whole processing flow is the same reference, and the product precision requirement is ensured. Therefore, as a preferable mode of the invention, the processing method of the six-way connecting piece further comprises the step of selecting a group of reference holes, wherein the processing method always uses the same group of reference holes for positioning and clamping. In particular, the set of reference holes may select a set of tube holes of the vertical tubular body 1.
Further, in order to ensure the stability of the reference hole contact, the chamfering process of the vertical tubular body 1 is completed in the final step of the processing method, specifically, the six-way connecting piece is positioned and fixed by the first clamp to make the vertical tubular body 1 face upwards, and the chamfering process of 7 DEG hole chamfering, 35 DEG end chamfering and 15 DEG end chamfering is completed by the processing equipment.
And finally, carrying out auxiliary finish machining to obtain the six-way connecting piece meeting the production requirements in all aspects.
The processing method of the six-way connecting piece comprises the steps of processing and converting, the working procedure of the machining process is complex, the requirements on the position distance between the branch pipes are high, the control difficulty of the shape and the position tolerance is high, and the control requirement on the hole processing size is high. The processing method of the six-way connecting piece provided by the invention has the advantages that by selecting appropriate different clamps and reasonably processing methods, various performance indexes and machining precision of the product can meet the design requirements.
By the processing method of the six-way connecting piece, the dimensional tolerance of the obtained product six-way connecting piece is in GB/T1804-2000m level, and the smaller tolerance range of the aperture is only +/-0.2 mm. The tolerance of the shape and position is in accordance with GB/T1184-1996K grade, and the tolerance range of the hole pitch of the branch pipe is only +/-0.2 mm. Meanwhile, the ball passing requirement of 80% of the pipe diameter is met. According to the processing method, each region of the six-way connecting piece is respectively subjected to finish machining according to the required size, and after the six-way connecting piece is machined to the required size, the precision requirement of a product can be ensured, the quality of the product is greatly improved, and the actual production requirement can be met.
Embodiment one: the processing method of the six-way connecting piece comprises the following steps:
processing at a first station: the six-way connecting piece is clamped and fixed on special equipment through a first clamp. The first clamp comprises a bottom plate 01, a positioning pin 04 is arranged on the bottom plate 01, one end of the bottom plate 01 is connected with a compression bolt 06, the other end of the bottom plate 01 is provided with a clamping seat 02, a gland 03 is connected to the clamping seat 02, a hollow cavity is formed in the middle of the gland 03 and is used for accommodating a vertical columnar body 1, two positioning baffles 07 are connected to two sides of the gland 03, the gland 03 is rotationally connected to the upper end of the clamping seat 02, when the compression bolt 06 rotates around the clamping seat 02 around the gland 03 and is arranged on a six-way connecting piece, the free end of the compression bolt 06 is connected with the free end of the gland 03, the positioning baffles 07 are used for positioning plate-shaped firmware of the six-way connecting piece, and the positioning baffles 07 are matched with the positioning pin 04 and the positioning baffles 07 to position and clamp the six-way connecting piece, so that the vertical columnar body 1 of the six-way connecting piece faces upwards, and the middle vertical columnar body 1 is positioned in the hollow cavity. Further, in order to enhance the stability of clamping, the pressing cover 03 is detachably connected with a positioning support nail 05 for positioning and fixing on the rib plate of the plate-shaped fixing member. And then the machining equipment is used for firstly machining the height of the center by 90mm, positioning the hole distance, drilling a center hole, rough drilling and fine boring, strictly controlling the position precision and the size precision of the reference hole, and finishing the perforating machining of the vertical columnar body 1, so that the vertical columnar body 1 is machined into a vertical tubular body. To ensure the stability of the reference hole contact, the 7 DEG chamfer, the 35 DEG chamfer and the 15 DEG chamfer of the hole of the 1 st station should be finished at the end.
And (3) processing at a second station: the six-way connecting piece after the first station is processed is clamped and fixed on processing equipment through a second clamp. The second clamp comprises a bottom plate 11, a clamping seat is connected to the bottom plate 11, the clamping seat comprises a positioning plate 12, a supporting plate 13 and a gland 14, a positioning pin 15 is arranged on the positioning plate 12, one end of the positioning plate 12 is connected with the supporting plate 13, the other end of the positioning plate 12 is connected with a compression bolt 17, the gland 14 is rotationally connected to one end of the supporting plate 13, the free end of the gland 14 is connected with the free end of the compression bolt 17, and when the gland 14 rotates around the supporting plate 13 to be on a six-way connecting piece, the compression bolt 17 is matched with the positioning pin 15 on the positioning plate 12 to enable the gland 14 to be clung to the surface of the six-way connecting piece so as to clamp the six-way connecting piece, so that the left horizontal columnar body 2 of the six-way connecting piece faces upwards. In order to enhance the stability of clamping, the gland 14 is detachably connected with positioning support nails 16 for positioning and fixing on the rib plates of the plate-shaped fixing piece. And then the center height of the reference hole is processed to 83.5mm at the end part by processing equipment, the positioning hole distance is 54mm, the center hole is drilled, the rough drilling and the fine boring are carried out, the hole opening processing of the left columnar body is completed, and the processing treatment of 5-degree chamfering, 35-degree chamfering and 7-degree chamfering of the hole is carried out.
And (3) processing at a third station: the six-way connecting piece after being processed by the second station is clamped and fixed on processing equipment through a third clamp. The third clamp comprises a bottom plate 21, a clamping seat 22 is arranged at one end of the bottom plate 21, a gland 23 is connected to the clamping seat 22, a positioning baffle 24 is arranged at the other end of the bottom plate 21, a first positioning pin 25 is arranged on the bottom plate 21, the first positioning pin 25 is used for being inserted into a vertical columnar pipe hole processed by the six-way pipe fitting, a second positioning pin 28 is arranged on the positioning baffle 24, the second positioning pin 28 is used for being inserted into a left-hand pipe hole processed by the six-way pipe fitting, when the gland 23 rotates around the clamping seat 22 to be arranged on the six-way pipe fitting, the clamping is locked and fixed through a locking device, and the first positioning pin 25, the second positioning pin 28, the positioning baffle 24, the gland 23 and the locking device are matched to position and clamp the six-way pipe fitting so as to realize positioning and clamping of the six-way pipe fitting. The locking means may in particular be a compression bolt 27. And then the product with the total width of 159.5mm is finished by one-time processing of special equipment.
Fourth working site: the six-way connecting piece after being processed by the third station is clamped and fixed on processing equipment through a fourth clamp. The fourth clamp comprises a bottom plate 31 and clamping seats 33, wherein supporting plates 32 are arranged at two ends of the bottom plate 31, the clamping seats 33 are connected with the supporting plates 32, a rectangular frame body is arranged in the middle of the clamping seats 33 and used for accommodating the six-way connecting piece, a positioning pin 35 and a positioning supporting nail 34 are arranged on the clamping seats 33, and the clamping seats 33 are matched with the positioning pin 35 and the positioning supporting nail 34 to position and clamp the six-way connecting piece, so that the left-hand tube of the six-way connecting piece is vertically upwards. The opening is finished 20mm from the end by one-time processing with special equipment.
Fifth station processing: and the six-way connecting piece after the fourth station processing is fixed on the processing equipment through the clamping of a fifth clamp. The fifth clamp comprises a bottom plate 041 and clamping seats 043, wherein supporting plates 042 are arranged at two ends of the bottom plate 041, the clamping seats 043 are connected with the supporting plates 042, a rectangular frame body is arranged in the middle of each clamping seat 043 and is used for accommodating the six-way connecting piece, a locating pin 044 and a locating supporting pin 045 are arranged on each clamping seat 043, and the clamping seats 043 and the locating pins 044 and the locating supporting pins 045 are matched to conduct locating clamping on the six-way connecting piece, so that the six-way connecting piece is in a specific posture. And then finishing the chamfering of the opening by 35 degrees through one-time processing of special equipment.
As a preferred mode of this embodiment, the clamping seat 33 of the fourth clamp is rotatably connected to the support plate 32. And in the fifth station processing, the angle between the clamping seat 33 and the supporting plate 32 is rotated to be as shown in a fifth clamp. Specifically, the left end face of the clamping seat 33 is provided with an angle hole, and the angle hole is inserted through a pin shaft, so that the rotation change of the angle of the clamping seat 33 and the angle of the supporting plate 32 is realized, and a positioning pin is further added for fixing in order to enhance the stability. I.e. the fifth clamp may be rotationally varied from the fourth clamp. And then the chamfering angle after the opening is processed by special equipment is up to a preset angle, and the chamfering treatment of the opening is completed. The design can reduce operation steps, is economical and economical, and improves production efficiency.
And finally, fixing the vertical columnar pipe through a first clamp, and finishing 7-degree chamfering, 35-degree chamfering and 15-degree chamfering of the hole of the vertical columnar pipe processed at the 1 st station. And finally, carrying out auxiliary finish machining to obtain the six-way connecting piece meeting the production requirements in all aspects.
In the embodiment, the positioning pins on the clamp always use the same group of holes for positioning and clamping in the processing process of each station, so that the whole processing flow is the same reference, and the product precision requirement is ensured.
According to the invention, the used clamp is skillfully designed, so that complicated and complicated clamping is simplified, and the clamp is convenient for an operator to master and utilize. At the same time, the lightweight design can be independently used by operators to disassemble, install and correct the fixture on the equipment. Each group of clamps only needs one correction on equipment, and can realize batch processing production of various procedures, thereby greatly shortening the processing preparation time. The fixture is connected and fixed on special processing equipment through the simple pressing plate, and then the workpiece is fixed by utilizing the pressing cover, the pressing bolt, the positioning pin and the like of the fixture, so that the fixture can be repeatedly utilized, is high in precision and easy to master, and has high production efficiency and stable product quality.
The six-way connecting piece obtained after finishing by the method is subjected to liquid permeation detection and full-volume ultrasonic detection. The ultrasonic detection of the product obtained by finish machining does not find defect reflection signals, the liquid permeation detection does not find defect marks, and the product is qualified, so that the quality requirement can be met.
Meanwhile, by the processing method of the six-way connecting piece, the dimensional tolerance of the obtained product six-way connecting piece is in GB/T1804-2000m level, and the smaller tolerance range of the aperture is only +/-0.2 mm; the tolerance of the shape and position is in accordance with GB/T1184-1996K grade, and the tolerance range of the hole pitch of the branch pipe is only +/-0.2 mm. Meanwhile, the ball passing requirement of 80% of the pipe diameter is met. Therefore, according to the processing method, each region of the six-way connecting piece is respectively subjected to finish machining according to the required size, and after the six-way connecting piece is machined to the required size, the precision requirement of a product can be ensured, the quality of the product is greatly improved, and the actual production requirement can be met.
The implementation of the invention has the advantages that: the invention provides a processing method of a six-way connecting piece, which is characterized in that through reasonable process design, proper fixture is selected, optimized processing parameters are designed, each region of the six-way connecting piece is respectively subjected to finish machining according to the required size, and the complex six-way connecting piece is obtained after the six-way connecting piece is processed to the required size. The size and shape of the six-way connector are fully achieved by finishing. The six-way connecting piece processed by the processing method can meet the requirements of tolerance range, ball passing requirement and product size, ensure the precision requirement of the product, greatly improve the quality of the product and meet the actual requirements.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The processing method of the six-way connecting piece is characterized by comprising the following steps of:
the six-way connecting piece is clamped by a first clamp, the total height of the six-way connecting piece is processed, and the vertical columnar body is processed into a vertical tubular body;
the center of the six-way connecting piece is machined to be high through clamping by a second clamp, then the left column body is machined to be a left tubular body, and chamfering treatment is carried out;
the third clamp clamps the product to finish the processing of the total width of the product;
the fourth clamp clamps the workpiece to finish deep processing of an opening and chamfering processing after the opening; the fourth clamp comprises a bottom plate and clamping seats, wherein the two ends of the bottom plate are provided with supporting plates, the clamping seats are connected with the supporting plates, a rectangular frame body is arranged in the middle of the clamping seats and is used for accommodating the six-way connecting piece, the clamping seats are provided with positioning pins and positioning support nails, and the clamping seats are matched with the positioning pins and the positioning support nails to position and clamp the six-way connecting piece, so that the six-way connecting piece faces upwards in the left direction Guan Shuzhi; the clamping seat of the fourth clamp is rotatably connected with the supporting plate;
the first clamp is used for positioning and fixing the six-way connecting piece to enable the vertical columnar body to face upwards, and the total height is processed to reach a preset height value; the second clamp is used for positioning and fixing the six-way connecting piece to enable the left-direction columnar body to face upwards, machining the center height of the reference hole until the end part is a preset height value, positioning the hole distance to a preset value, drilling a center hole, roughly drilling and finely boring the hole, and finishing the hole drilling of the left-direction columnar body; the third clamp transversely positions and fixes the six-way connecting piece to finish the total width of the product to a preset width; the fourth clamp is used for positioning and fixing the six-way connecting piece to enable the left-direction pipe to face upwards, the depth of a machined opening is a preset value, and the chamfering angle after the opening is machined is a preset angle;
the six-way connecting piece to be processed is formed by die forging 3 groups of branch pipes which are irregularly arranged through a die forging technology, and specifically comprises the following steps: and three through pipes, one part of which is parallel to the plate-shaped firmware and one part of which is perpendicular to the plate-shaped firmware, are arranged in the plate-shaped firmware and are integrally connected with the plate-shaped firmware, and are called left-oriented columns, 90-degree bending is realized in the plate-shaped firmware, and the parts of the through pipes, which are perpendicular to the plate-shaped firmware, are positioned on the same surface of the plate-shaped firmware and are called vertical columns.
2. The method for machining a six-way connecting piece according to claim 1, wherein the first clamp comprises a bottom plate, a positioning pin is arranged on the bottom plate, one end of the bottom plate is connected with a compression bolt, the other end of the bottom plate is provided with a clamping seat, a gland is connected to the clamping seat, a hollow cavity is arranged in the middle of the gland and is used for accommodating a vertical columnar body, two sides of the gland are connected with two positioning baffles and are used for positioning and clamping plate-shaped fixing pieces of the six-way connecting piece, the gland is rotationally connected to the upper end of the clamping seat, when the compression bolt rotates around the clamping seat to the six-way connecting piece, the free end of the compression bolt is connected with the free end of the gland and is matched with the positioning pin and the positioning baffles to position and clamp the six-way connecting piece, so that the vertical columnar body of the six-way connecting piece faces upwards, and the middle vertical columnar body of the vertical columnar body is positioned in the hollow cavity.
3. The method of claim 2, further comprising selecting a set of reference holes, wherein the same set of reference holes is used for positioning and clamping all the time in the method.
4. A method of manufacturing a six-way connector according to claim 3, wherein the set of reference holes is a set of holes in a vertical tubular body.
5. The method of claim 4, further comprising positioning and fixing the six-way connector with a first fixture to face the vertical tubular body upward, and chamfering the vertical tubular body.
6. The method of claim 5, further comprising performing auxiliary finishing with auxiliary equipment.
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| CN202111658648.4A CN114346607B (en) | 2021-12-30 | 2021-12-30 | Processing method of six-way connecting piece |
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| CN202111658648.4A CN114346607B (en) | 2021-12-30 | 2021-12-30 | Processing method of six-way connecting piece |
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| CN114346607B true CN114346607B (en) | 2023-04-28 |
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| CN100348364C (en) * | 2005-01-04 | 2007-11-14 | 上海昌强电站配件有限公司 | Clamp apparatus for machining heterotypic multiple passing through fixtures, and machining technique |
| JP5747960B2 (en) * | 2012-09-20 | 2015-07-15 | 有限会社田村製作所 | Round clamp device |
| CN102909574B (en) * | 2012-10-19 | 2014-11-05 | 江苏腾旋科技股份有限公司 | Specially-shaped body annular groove machining mechanism |
| CN203091806U (en) * | 2013-02-05 | 2013-07-31 | 合肥联华机械零部件有限责任公司 | Drill jig working platform of cross-beam tube of engine supporting beam |
| CN103252660B (en) * | 2013-05-19 | 2016-07-06 | 河南省西峡汽车水泵股份有限公司 | Exhaust manifold supercharging flange connecting hole positioner and drilling and positioning method |
| CN204843652U (en) * | 2015-08-21 | 2015-12-09 | 江南大学 | General flexible anchor clamps |
| CN107378409A (en) * | 2017-09-08 | 2017-11-24 | 浙江万盛机械有限公司 | The processing technology of mixed water four-way valve body |
| CN108213869A (en) * | 2017-12-30 | 2018-06-29 | 盛瑞传动股份有限公司 | A kind of elbow pipe processing technology |
| CN211589294U (en) * | 2019-12-30 | 2020-09-29 | 浙江安构控制阀科技有限公司 | Multichannel valve body and tool clamp for positioning multichannel valve body |
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