CN210730606U - Straightening equipment - Google Patents

Straightening equipment Download PDF

Info

Publication number
CN210730606U
CN210730606U CN201921609383.7U CN201921609383U CN210730606U CN 210730606 U CN210730606 U CN 210730606U CN 201921609383 U CN201921609383 U CN 201921609383U CN 210730606 U CN210730606 U CN 210730606U
Authority
CN
China
Prior art keywords
mould
split mold
hydraulic jack
reference surface
minute mould
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921609383.7U
Other languages
Chinese (zh)
Inventor
刘彪
张海棠
翟全良
何枢
何容
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Xinlingnan Technology Co Ltd
Original Assignee
Guangdong Xinlingnan Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Xinlingnan Technology Co Ltd filed Critical Guangdong Xinlingnan Technology Co Ltd
Priority to CN201921609383.7U priority Critical patent/CN210730606U/en
Application granted granted Critical
Publication of CN210730606U publication Critical patent/CN210730606U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a straightening equipment, including first subassembly and second subassembly, first subassembly includes that first branch mould and second divide the mould, and first branch mould is used for removing along the direction that is close to or keeps away from second branch mould, and the second subassembly includes that third branch mould and fourth divide the mould, and the third divides the mould to be used for removing along the direction that is close to or keeps away from fourth branch mould, and the side that the second divides the mould to be close to first branch mould is first reference surface, and the side that the fourth branch mould is close to third branch mould is first reference surface, and first reference surface and second reference surface parallel and level set up. Above-mentioned alignment equipment, first reference surface and second reference surface parallel and level set up, when first minute mould, third minute mould extrusion metal bar, can rectify the metal bar, make its crooked part straightened, above-mentioned alignment equipment is of a specified duration with the contact time of metal bar when the alignment, and the temperature falling speed of metal bar is relatively slower, can prevent because the temperature drop leads to the metal bar to be easily damaged after the alignment at the excessive speed, and is effectual to the protection of metal bar.

Description

Straightening equipment
Technical Field
The utility model relates to a calibration equipment technical field especially relates to a straightening equipment.
Background
When the radial forging machine is used for hot forging the metal round bar, the last round bar is slightly bent, so that subsequent lathe processing is influenced. Therefore, after the radial forging machine is used for forging and stretching tungsten, molybdenum, copper, titanium and the like, the metal round bar must be straightened, but the temperature speed of the metal round bar is reduced too fast when the traditional straightening equipment is used for correcting, and the metal round bar is likely to be cracked and broken when the low-temperature hard, brittle and easily cracked metal round bar is corrected, so that the quality of the metal round bar is affected.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model discloses lie in overcoming prior art's defect, provide a but alignment and prevent to influence the alignment equipment of product quality.
The technical scheme is as follows:
the utility model provides a straightening equipment, includes first subassembly and second subassembly, first subassembly includes that first branch mould and second divide the mould, first branch mould is used for along being close to or keeping away from the direction removal that the second divides the mould, the second subassembly includes that the third divides mould and fourth branch mould, the third divides the mould to be used for along being close to or keeping away from the direction removal that the fourth divides the mould, the second divides the mould to be close to the side of first branch mould is first reference surface, the fourth branch mould is close to the side of third branch mould is the second reference surface, first reference surface with second reference surface parallel and level sets up.
Above-mentioned alignment equipment, can stretch into the metal bar in proper order between first minute mould and the second divide the mould, the third divides between mould and the fourth mould, divide the mould to be close to the second through first minute mould and divide the mould, the third divides the mould to be close to the mode that the fourth divides the mould and extrudees the metal bar, because the second divides the first datum plane on the mould and the second datum plane parallel and level setting on the fourth mould, then when first minute mould, when third minute mould extrudees the metal bar, can rectify the metal bar, make its crooked part straightened, simultaneously because above-mentioned alignment equipment is of a specified duration with the contact time of metal bar when the alignment, the temperature decline speed of metal bar is relatively slower, can prevent because the temperature drop leads to the metal bar easily damaged after the alignment, it is good to the guard effect of metal bar.
In one embodiment, the first split mold and the third split mold are respectively provided with a first guide groove, the first guide grooves are arranged along the same straight line direction, and the distance between two side walls in the first guide grooves is gradually reduced from top to bottom.
In one embodiment, the bottom of the first guide groove is a first arc surface, and the edge of the first guide groove is a second arc surface.
In one embodiment, the first reference surface and the second reference surface are both recessed inward to form a second guide groove, and the second guide groove is opposite to the first guide groove.
In one embodiment, the sum of the thicknesses of the first split mold and the third split mold is greater than or equal to 500 mm.
In one embodiment, the first assembly further includes a frame body, the frame body has an installation space therein, the first split mold and the second split mold are both disposed in the installation space, two opposite side walls in the installation space are both provided with guide members, the guide members are provided with guide grooves, and two ends of the first split mold are respectively in sliding fit with the guide grooves on the two guide members.
In one embodiment, the frame body comprises two transverse parts and two vertical parts, the two transverse parts are arranged at intervals, the transverse part is arranged between the two vertical parts, the vertical parts are provided with slots matched with the transverse parts, and the guiding parts are arranged on the vertical parts.
In one embodiment, the straightening device further comprises a hydraulic pump station, a first hydraulic jack and a second hydraulic jack, wherein a push rod of the first hydraulic jack is used for driving the first split mold to move in a direction close to or far away from the second split mold, a push rod of the second hydraulic jack is used for driving the third split mold to move in a direction close to or far away from the fourth split mold, the hydraulic pump station is communicated with the first hydraulic jack and the second hydraulic jack, and the hydraulic pump station is used for controlling the push rod of the first hydraulic jack and the push rod of the second hydraulic jack to move upwards synchronously.
In one embodiment, a raising piece and a top plate are further arranged in the installation space, the hydraulic jack is arranged between the first die parting and the transverse piece located below, the raising piece is arranged between the hydraulic jack and the transverse piece located below, and the top plate is arranged between a push rod of the hydraulic jack and the first die parting.
In one embodiment, the straightening device further includes a base, the first component and the second component are both fixed on the base, and the first component and the second component are arranged at an interval.
Drawings
Fig. 1 is a schematic view of an assembly of a straightening device and a metal bar according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an assembly of the second assembly and the metal rod according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating an assembly of the first split mold, the second split mold and the metal rod according to an embodiment of the present invention;
fig. 4 is a top view of a straightening apparatus according to an embodiment of the present invention.
Description of reference numerals:
100. the first component, 101, first guide way, 102, first cambered surface, 103, second cambered surface, 104, second guide way, 110, first minute mould, 120, second minute mould, 130, framework, 131, installation space, 132, guide piece, 133, horizontal part, 134, vertical part, 200, second component, 210, third minute mould, 220, fourth minute mould, 310, first hydraulic jack, 320, second hydraulic jack, 410, bed hedge spare, 420, roof, 500, base, 10, metal rod.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.
As shown in fig. 1 and fig. 2, an embodiment discloses an alignment apparatus, which includes a first assembly 100 and a second assembly 200, where the first assembly 100 includes a first split mold 110 and a second split mold 120, the first split mold 110 is configured to move in a direction close to or away from the second split mold 120, the second assembly 200 includes a third split mold 210 and a fourth split mold 220, the third split mold 210 is configured to move in a direction close to or away from the fourth split mold 220, a side surface of the second split mold 120 close to the first split mold 110 is a first reference surface, a side surface of the fourth split mold 220 close to the third split mold 210 is a second reference surface, and the first reference surface and the second reference surface are arranged in parallel.
Above-mentioned straightening equipment, can stretch into metal rod 10 in proper order between first minute mould 110 and the second minute mould 120, between third minute mould 210 and the fourth minute mould 220, divide mould 120 near the second through first minute mould 110, the mode that third minute mould 210 is close to fourth minute mould 220 extrudees metal rod 10, because first datum plane on the second minute mould 120 and the second datum plane parallel and level setting on the fourth minute mould 220, then when first minute mould 110, when third minute mould 210 extrudees metal rod 10, can rectify metal rod 10, make its crooked part straightened, simultaneously because above-mentioned straightening equipment is of a specified duration with metal rod 10's contact time when the alignment, the temperature decline speed of metal rod 10 is relatively slow, can prevent to lead to metal rod 10 to be damaged after the alignment because the temperature drops is too fast, it is good to metal rod 10's protection effect.
Optionally, the straightening apparatus further includes a heat preservation component, where the heat preservation component is configured to heat the first split mold 110, the second split mold 120, the third split mold 210, and the fourth split mold 220, so that the temperatures of the first split mold 110, the second split mold 120, the third split mold 210, and the fourth split mold 220 are all greater than or equal to 1000 ℃. Specifically, the heat preservation assembly comprises a first heating element, a second heating element, a third heating element and a fourth heating element, wherein the first heating element is arranged in the first sub-mold 110 or attached outside the first sub-mold 110, the second heating element is arranged in the second sub-mold 120 or attached outside the second sub-mold 120, the third heating element is arranged in the third sub-mold 210 or attached outside the third sub-mold 210, the fourth heating element is arranged in the fourth sub-mold 220 or attached outside the fourth sub-mold 220, the first heating element is used for keeping the temperature of the first sub-mold 110 to 1150-1250 ℃, and the second heating element, the third heating element and the fourth heating element are the same as the first heating element in heating temperature. Accessible heat preservation subassembly is to first minute mould 110, second minute mould 120, third minute mould 210 and fourth minute mould 220 heating this moment, prevents that the temperature of each minute mould from being crossed low and leading to bar 10 too much to lead to bar 10 fragile when the alignment temperature to descend, and each minute mould temperature can not lead to bar 10 to produce the temperature difference when contacting when unanimous, and is better to bar 10's protection effect. In addition, in this embodiment, the metal rod 10 is a molybdenum rod, and the temperature of the molybdenum rod after hot forging is 1200 ℃ or higher, so that the temperature of each die is maintained at about 1200 ℃, and the molybdenum rod is prevented from being excessively rapidly lowered.
Optionally, the straightening device further includes a temperature sensor, and the first split mold 110, the second split mold 120, the third split mold 210, and the fourth split mold 220 are all provided with a temperature sensor. Whether the temperature of each minute mould is known to accessible temperature sensor this moment is the same, convenient control, if temperature sensor sensing divides the temperature of mould lower, then the corresponding heating member of signal control heats.
In one embodiment, as shown in fig. 3 and 4, the first mold half 110 and the third mold half 210 are provided with first guide grooves 101, the first guide grooves 101 are arranged along the same straight direction, and the distance between two side walls in the first guide grooves 101 gradually decreases from top to bottom. In the alignment process, because first minute mould 110 and third minute mould 210 are equipped with first guide way 101, first minute mould 110 moves along the direction that is close to second minute mould 120, when third minute mould 210 moves along the direction that is close to fourth minute mould 220, bar 10 gets into first guide way 101, if the condition that does not have directly this moment bar 10, can contact with the cell wall of first guide way 101, distance between two lateral walls of first guide way 101 reduces by the direction from top to bottom gradually simultaneously, then the lateral wall can be corrected bar 10, make different sections on the bar 10 all set up towards same straight line direction, the straightness that has improved bar 10.
In one embodiment, as shown in fig. 3, the bottom of the first guide groove 101 is a first arc surface 102, and the edge of the first guide groove 101 is a second arc surface 103. At the in-process that metal rod 10 got into first guide way 101 this moment, metal rod 10 if contact with the edge of first guide way 101, because the edge is the arcwall face, can not produce the fish tail to metal rod 10, metal rod 10 gets into first guide way 101 back simultaneously, the bottom of first guide way 101 also is the arcwall, also can match with the shape of metal rod 10, can support with metal rod 10 when preventing that the bottom of first guide way 101 from being the plane, lead to metal rod 10 can't deepen first guide way 101, the influence is to the alignment effect of metal rod 10.
In one embodiment, as shown in fig. 3, the first reference surface and the second reference surface are both recessed inward to form a second guide groove 104, and the second guide groove 104 is disposed opposite to the first guide groove 101. By the cooperation of the first guide grooves 101 and the second guide grooves 104, the metal bar 10 can be corrected more well while the surface of the metal bar 10 can be prevented from being deformed.
Alternatively, as shown in fig. 3, in the first guide groove 101, the radius of the first arc surface 102 is 20mm, the radius of the second arc surface 103 is 25mm, and the included angle between the two sidewalls of the first guide groove 101 is 70 °. Specifically, the second guide groove 104 and the first guide groove 101 are symmetrically arranged, at this time, the second guide groove 104 does not scratch the metal bar 10, and meanwhile, the first guide groove 101 and the second guide groove 104 can be used for straightening the metal bar 10 with the diameter range of 65 mm-85 mm.
In one embodiment, the sum of the thicknesses of the first and third split molds 110 and 210 is greater than or equal to 500 mm. Since a portion of metal bar 10 after hot forging may not be straight, especially the end of metal bar 10, the sum of the thicknesses of first split die 110 and second split die 120 needs to be greater than the length of the portion of metal bar 10 that is not straight, so as to ensure the straightening effect of metal bar 10.
In one embodiment, as shown in fig. 1, the first assembly 100 further includes a frame 130, the frame 130 has a mounting space 131 therein, the first split mold 110 and the second split mold 120 are both disposed in the mounting space 131, two opposite sidewalls of the mounting space 131 are both provided with a guiding member 132, the guiding member 132 is provided with a guiding groove, and two ends of the first split mold 110 are respectively slidably engaged with the guiding grooves of the two guiding members 132. The movement of the first split mold 110 can be guided through the guide grooves, so that the first split mold 110 is ensured to move stably, and the straightening effect is further improved.
In one embodiment, as shown in fig. 1, the frame 130 includes two transverse members 133 and two vertical members 134, the two transverse members 133 and the two vertical members 134 are disposed at intervals, the transverse members 133 are disposed between the two vertical members 134, slots matched with the transverse members 133 are disposed on the vertical members 134, and the guiding members 132 are disposed on the vertical members 134. The structure of pile body is more stable this moment, can not produce stability such as vibration during the alignment, and the alignment effect is better.
Optionally, as shown in fig. 4, the thicknesses of the first split mold 110 and the second split mold 120 are greater than the thicknesses of the transverse member 133 and the vertical member 134. At this time, the first sub-die 110 and the second sub-die 120 can better contact with the metal bar 10, so that the region to be straightened of the metal bar 10 can be more comprehensively straightened, and the straightening effect of the metal bar 10 can be prevented from being influenced by the existence of the non-straightened region.
Specifically, as shown in fig. 1, the second split mold 120 is connected with the cross member 133 located above. The first mold half 110 is fixedly disposed, and when in use, the metal bar 10 can be firstly matched with the second guide grooves 104 on the second mold half 120 and the fourth mold half 220 to position the metal bar 10.
Specifically, the first assembly 100 and the second assembly 200 have the same structure, so that the first assembly 100 and the second assembly 200 can ensure the same straightening effect on the metal bar 10, which is beneficial to improving the straightness of the metal bar 10.
In one embodiment, as shown in fig. 1 and fig. 2, the straightening apparatus further includes a hydraulic pump station, a first hydraulic jack 310 and a second hydraulic jack 320, a push rod of the first hydraulic jack 310 is used to drive the first split mold 110 to move in a direction close to or away from the second split mold 120, a push rod of the second hydraulic jack 320 is used to drive the third split mold 210 to move in a direction close to or away from the fourth split mold 220, the hydraulic pump station is communicated with the first hydraulic jack 310 and the second hydraulic jack 320, and the hydraulic pump station is used to control the push rod of the first hydraulic jack 310 and the push rod of the second hydraulic jack 320 to move up synchronously. The first hydraulic jack 310 and the second hydraulic jack 320 can be controlled to synchronously move through the hydraulic pump station, the metal bar 10 is synchronously straightened, and the problem that the straightness of the final metal bar 10 is still problematic due to different straightening effects of different sections on the metal bar 10 can be prevented.
Optionally, the output force of the push rods of the first hydraulic jack 310 and the second hydraulic jack 320 is 100t/cm2The stroke of the push rod is 150 mm.
In this embodiment, the first split mold 110 is located below the second split mold 120, and the third split mold 210 is located below the fourth split mold 220. The metal bar 10 is straightened by pressing the first and third split molds 110 and 210 upward.
In other embodiments, the second split mold 120 is located below the first split mold 110, the fourth split mold 220 is located below the third split mold 210, and the metal bar 10 is straightened by pressing down the first split mold 110 and the third split mold 210.
In one embodiment, as shown in fig. 1, a block-up member 410 and a top plate 420 are further disposed in the installation space 131, the hydraulic jack is disposed between the first die assembly 110 and the lower cross member 133, the block-up member 410 is disposed between the hydraulic jack and the lower cross member 133, and the top plate 420 is disposed between the push rod of the hydraulic jack and the first die assembly 110. The top plate 420 can prevent the push rod from being misaligned to the central point of the first split mold 110 to cause uneven stress on the first split mold 110, the stress on the first split mold 110 can be uniform through the top plate 420, the movement of the first split mold 110 is more stable, the straightening of the metal rod 10 is more even, the effect is better, and the heightening member 410 can prevent the push rod from being unstable due to the overlong stroke of the push rod.
In one embodiment, as shown in fig. 1 and 4, the above-mentioned straightening apparatus further includes a base 500, the first component 100 and the second component 200 are both fixed on the base 500, and the first component 100 and the second component 200 are disposed at an interval. By fixing the first member 100 and the second member to the base 500, the metal bar 10 can be stably aligned.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a straightening device, characterized in that, includes first subassembly and second subassembly, first subassembly includes first minute mould and second minute mould, first minute mould is used for moving along the direction of being close to or keeping away from the second minute mould, the second subassembly includes third minute mould and fourth minute mould, the third minute mould is used for moving along the direction of being close to or keeping away from the fourth minute mould, the side that the second minute mould is close to the first minute mould is first reference surface, the side that the fourth minute mould is close to the third minute mould is the second reference surface, first reference surface with second reference surface parallel and level setting.
2. The straightening device according to claim 1, wherein the first split mold and the third split mold are provided with first guide grooves, the first guide grooves are arranged along the same straight line direction, and the distance between the two side walls in the first guide grooves is gradually reduced from top to bottom.
3. The straightening apparatus according to claim 2, wherein the bottom of the first guide groove is a first arc surface, and the edge of the first guide groove is a second arc surface.
4. The straightening apparatus according to claim 2, wherein the first reference surface and the second reference surface are both recessed inwardly to form a second guide groove, and the second guide groove is disposed opposite to the first guide groove.
5. The straightening apparatus according to claim 1, wherein the sum of the thicknesses of the first split die and the third split die is greater than or equal to 500 mm.
6. The straightening device according to claim 1, wherein the first assembly further comprises a frame body, an installation space is formed in the frame body, the first split mold and the second split mold are arranged in the installation space, guide pieces are arranged on two opposite side walls in the installation space, guide grooves are formed in the guide pieces, and two ends of the first split mold are respectively in sliding fit with the guide grooves in the two guide pieces.
7. The straightening device according to claim 6, wherein the frame body comprises two transverse members and two vertical members, the two transverse members are arranged at intervals, the transverse members are arranged between the two vertical members, the vertical members are provided with slots matched with the transverse members, and the guiding members are arranged on the vertical members.
8. The straightening device according to claim 7, further comprising a hydraulic pump station, a first hydraulic jack and a second hydraulic jack, wherein a push rod of the first hydraulic jack is used for driving the first split mold to move in a direction close to or away from the second split mold, a push rod of the second hydraulic jack is used for driving the third split mold to move in a direction close to or away from the fourth split mold, the hydraulic pump station is communicated with the first hydraulic jack and the second hydraulic jack, and the hydraulic pump station is used for controlling the push rod of the first hydraulic jack and the push rod of the second hydraulic jack to move upwards synchronously.
9. The straightening device according to claim 8, wherein a raising member and a top plate are further arranged in the installation space, the hydraulic jack is arranged between the first split mold and the transverse member located below, the raising member is arranged between the hydraulic jack and the transverse member located below, and the top plate is arranged between a push rod of the hydraulic jack and the first split mold.
10. The straightening apparatus according to any one of claims 1 to 9, further comprising a base, wherein the first assembly and the second assembly are both fixedly disposed on the base, and the first assembly and the second assembly are disposed at a distance.
CN201921609383.7U 2019-09-25 2019-09-25 Straightening equipment Active CN210730606U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921609383.7U CN210730606U (en) 2019-09-25 2019-09-25 Straightening equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921609383.7U CN210730606U (en) 2019-09-25 2019-09-25 Straightening equipment

Publications (1)

Publication Number Publication Date
CN210730606U true CN210730606U (en) 2020-06-12

Family

ID=71004931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921609383.7U Active CN210730606U (en) 2019-09-25 2019-09-25 Straightening equipment

Country Status (1)

Country Link
CN (1) CN210730606U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110523808A (en) * 2019-09-25 2019-12-03 广东新岭南科技有限公司 Straightening equipment
CN116140478A (en) * 2023-04-21 2023-05-23 昆明锐敏科技有限公司 Split type formed hardware mold and forming process thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110523808A (en) * 2019-09-25 2019-12-03 广东新岭南科技有限公司 Straightening equipment
CN116140478A (en) * 2023-04-21 2023-05-23 昆明锐敏科技有限公司 Split type formed hardware mold and forming process thereof
CN116140478B (en) * 2023-04-21 2023-09-15 昆明锐敏科技有限公司 Split type formed hardware mold and forming process thereof

Similar Documents

Publication Publication Date Title
CN210730606U (en) Straightening equipment
US8459076B2 (en) Method and device for producing closed profiles
KR101476237B1 (en) Apparatus for forming torsion beam of vehicle using hot cam core type
CN103357719A (en) Bending press system
KR20050087027A (en) A warm hydro-forming device
CN103588467B (en) Glass loading device and loading method
JP6506054B2 (en) Rail forming device for sunroof panels
KR101286663B1 (en) Apparatus for bending door hinge strip
CN111872232A (en) Metal machined part edge rolling forming device and forming method
EP3646961A1 (en) Method for manufacturing press molded product
CN202079161U (en) Mould of pigtail taper sleeve for manufacturing elevator
WO2009027789A3 (en) Tool and process for producing a hollow part
KR101228437B1 (en) Device molding press with which cooling part having thermoelectric and heating part having Positive Temperature Coefficient
CN104353891A (en) Long striped guide groove cutting device with C-type section
CN208643869U (en) A kind of round steel bending combination die
KR100455072B1 (en) Method of cold working for tie rod end
CN209829966U (en) Material pressing machine
JP5286506B2 (en) Pipe bending machine
CN110153345A (en) A kind of system of processing and processing method of iron skill floral leaf
CN218109225U (en) Aluminum bar hot extrusion die
CN214396192U (en) Marking device of keel forming machine
CN216801425U (en) High-stability fixing clamp capable of offsetting processing internal stress
CN109047611A (en) A kind of novel hot forged mould
CN216989582U (en) Metal tube head-shrinking device
CN215879814U (en) Skin pattern die carrier for automobile front beam

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant