CN2796890Y - Jolting machine - Google Patents
Jolting machine Download PDFInfo
- Publication number
- CN2796890Y CN2796890Y CN 200420088289 CN200420088289U CN2796890Y CN 2796890 Y CN2796890 Y CN 2796890Y CN 200420088289 CN200420088289 CN 200420088289 CN 200420088289 U CN200420088289 U CN 200420088289U CN 2796890 Y CN2796890 Y CN 2796890Y
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- die
- sliding part
- upsetter
- push rod
- motion mechanism
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Abstract
The utility model relates to a jolting machine which comprises an organism, a female die holder, a male die holder and a power output shaft. The utility model is provided with a male die rigidity straight-line motion mechanism or a female die rigidity straight-line motion mechanism, wherein the male die rigidity straight-line motion mechanism is arranged on the male die holder, and is connected with the power output shaft. The female die rigidity rectilinear motion mechanism is arranged on the female die holder, and is connected with the power output shaft. Because positions of a male die or a female die can be changed, and a drive mechanism all adopts rigid members, the number of jolting forming times is superior to the number of jolting times of an original female die of the equipment. Thus, multi-time jolting processing can be conducted under the condition of the same equipment and the same mould, and the production of products with large deformation can be conducted.
Description
Technical field:
The utility model relates to a kind of upsetter, and especially a kind of die can carry out straight-line upsetter.
Background technology:
Existing upsetter generally is provided with convex mould base and die socket, and punch and die are fixedly mounted on respectively on convex mould base and the die socket, punch or die with respect to convex mould base and die socket be can occurrence positions move right.Upsetter utilizes transmission mechanism to make convex mould base and die socket carry out relative motion, processes and produces product thereby carry out upsetting.In order to process needs, to the product that deflection can not be finished a upsetting, the upsetting that need carry out is repeatedly processed, thereby designs the upsetter of multistation, and promptly the upsetter of the many drifts of multimode carries out upsetting processing.But in a single day the equipment that is adopted is determined after; the punch that can use on same equipment or the quantity of die have just been determined; the distortion number of times that adds man-hour just has been defined; for the big product of deflection; for example towards deep hole or amount of tension when big, it need be out of shape number of times when having surpassed the quantity of the punch of equipment or die, adds the how secondary mould of needs increase just in man-hour; but do not had installable position on the seat in the plane of upsetter, can't finish processing.
Goal of the invention
The purpose of this utility model is to provide a kind of upsetter; it is provided with positive drive mechanism; can make punch or die carry out straight reciprocating motion in convex mould base or in the die socket; thereby the relative position of punch or die is changed; upsetting is added to provide man-hour and be out of shape number of times more frequently, produce the big product of deflection.The upsetter of so single station can carry out upsetting repeatedly, and the upsetter of multistation can carry out the processing of upsetting more frequently.
As another purpose of the present utility model, be to provide a kind of upsetter of multistation, the rigidity straight-line motion mechanism that it is provided with die can make die carry out upsetting processing with respect to die socket at diverse location and punch.
As a purpose more of the present utility model, the cold upsetting machine that provides a kind of two moulds three to dash is provided, its die under step-like push rod effect with respect to the die die holder have plural station relatively punch process.
Realize the upsetter of the utility model purpose, include body, convex mould base, power output shaft is provided with the rigidity straight-line motion mechanism of punch, and this motion is arranged on the convex mould base, connects with power output shaft.Add man-hour carrying out upsetting, punch is installed in the convex mould base, and in conjunction with die, the rigidity straight-line motion mechanism of punch withstands punch and carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, the rigidity straight-line motion mechanism makes punch arrive the second place and withstands punch and carry out upsetting processing in the second place, and processing parts produces distortion for the second time.
Realize the upsetter of the utility model purpose, include body, die socket, power output shaft, be provided with the rigidity straight-line motion mechanism of die, this motion is arranged on the die socket, connects with power output shaft.Add man-hour carrying out upsetting, die is installed in the die socket, and in conjunction with punch, the rigidity straight-line motion mechanism of die withstands die and carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, the rigidity straight-line motion mechanism makes die arrive the second place and withstands die and carry out upsetting processing in the second place, and processing parts produces distortion for the second time.
As a kind of upsetter of realizing the utility model purpose; described punch or die rigidity straight-line motion mechanism include sliding part, four-bar mechanism; described four-bar mechanism connects with power output shaft, and described four-bar mechanism can contact in swing and promote the sliding part straight reciprocating motion.Add man-hour carrying out upsetting, die or punch are installed in die socket or the convex mould base, and sliding part withstands die or punch carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, the four-bar mechanism motion drives the sliding part motion, makes die or punch arrive the second place, and sliding part withstands die or punch carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As the another kind of upsetter of realizing the utility model purpose; described punch or die rigidity straight-line motion mechanism include sliding part, cam; described cam connects with power output shaft, described cam in rotation with the sliding part butt, promote the sliding part straight reciprocating motion.Add man-hour carrying out upsetting, die or punch are installed in die socket or the convex mould base, and sliding part withstands die or punch carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, cam rotates, and drives the sliding part rectilinear motion, makes die or punch arrive the second place, and sliding part withstands die or punch carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As a kind of upsetter of realizing the utility model purpose, described die rigidity straight-line motion mechanism includes sliding part, push rod, cam, push rod is step-like or wedge-like, push rod is arranged on the ram seat, and ram seat is arranged on the body, and described cam connects with power output shaft, described cam in rotation with the push rod butt, promote push rod, described push rod at the volley can with the sliding part butt, promote the sliding part straight reciprocating motion.Add man-hour carrying out upsetting, die is installed in the die socket, and in conjunction with punch, sliding part withstands die and carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, cam rotates, and drives the sliding part rectilinear motion, makes die arrive the second place, and sliding part withstands die and carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As the another kind of upsetter of realizing the utility model purpose, described punch or die rigidity straight-line motion mechanism include sliding part, hydraulic cylinder, connecting rod, and described sliding part is connected with hydraulic cylinder by connecting rod.Add man-hour carrying out upsetting, die or punch are installed in die socket or the convex mould base, and sliding part withstands die or punch carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, hydraulic cylinder moves, and drives the sliding part motion, makes die or punch arrive the second place, and sliding part withstands die and carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As the another kind of upsetter of realizing the utility model purpose; described punch or die rigidity straight-line motion mechanism include sliding part, tooth bar, ratchet; tooth bar is step-like or wedge-like; described ratchet connects with power output shaft; described ratchet and tooth bar engagement, described tooth bar and sliding part butt.The described ratchet promotion tooth bar that contacts with tooth bar in rotation, described tooth bar can contact with sliding part at the volley and promote the sliding part straight reciprocating motion.Add man-hour carrying out upsetting, die or punch are installed in die socket or the convex mould base, and sliding part withstands die or punch carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, ratchet drives the tooth bar motion, because tooth bar is step-like or wedge-like; tooth bar can drive the sliding part motion; make die or punch arrive the second place, sliding part withstands die and carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As a kind of upsetter of realizing that the utility model purpose is optimized, it is characterized in that being provided with die rigidity straight-line motion mechanism, die rigidity straight-line motion mechanism includes sliding part, push rod, cam, push rod is step-like or wedge-like, push rod is arranged on the ram seat, ram seat is arranged on the body, described cam connects with power output shaft, described cam and push rod butt, the cam promotion push rod that in rotation, contacts with push rod, described push rod and sliding part butt, push rod can contact with sliding part at the volley and promote the sliding part straight reciprocating motion.Add man-hour carrying out upsetting, die is installed in the die socket, and sliding part withstands die and carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, the cam that power output shaft connects rotates, driving push rod moves up or down, the motion up or down of push rod, the drive sliding part moves forwards or backwards, make die arrive the second place, sliding part withstands die and carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As optimization, realize that the utility model purpose upsetter is the upsetter that multimode is dashed more, comprise two or more punch and/or two or more die.
As improvement,, between cam and power output shaft, be provided with transmission mechanism for the miscellaneous part of upsetter adopts same power source.The power of upsetter is delivered on the cam by transmission mechanism, thereby drives push rod and other movement parts are moved by cam.
As further improvement, transmission mechanism is camshaft, goods of furniture for display rather than for use, connecting rod, connecting plate; Cam is arranged on the camshaft, and camshaft and goods of furniture for display rather than for use are fixedly connected, and goods of furniture for display rather than for use is connected by linkage connector with connecting rod, and connecting rod connects with the actuating unit of the convex mould base of upsetter.Cam is installed on the camshaft, the actuating unit motion of upsetter, and the drivening rod motion, connecting rod drives the goods of furniture for display rather than for use swing, the drive camshaft rotates, and cam rotates, and drives push rod and moves up and down, push rod moves up and down, and drives the sliding part motion, thereby makes die be in different positions.
As further improved upsetter, needs for spatial design, under some can not be directly with push rod and the contacted situation of sliding part, the locus of staggering push rod and sliding part, between push rod and sliding part, be provided with pressing plate, side at pressing plate is provided with rotating shaft, and pressing plate and rotating shaft articulate, and rotating shaft is installed on the body by sub-assembly; Be provided with spring between rotating shaft and pressing plate, described push rod butt pressing plate can contact the promotion presser motion, and pressing plate butt sliding part can contact and promote the sliding part straight reciprocating motion.
As further improvement, upsetter be two moulds three towards cold headers, described sliding part is a die thimble pipe, pressing plate and die thimble pipe butt; Push rod is step-like, and push rod is installed on the body by ram seat, push rod backing plate, and an end that contacts with cam at push rod is provided with the contact runner, and the other end of push rod contacts with pressing plate; Cam is arranged on camshaft, and camshaft is fixing on body by camshaft holder, and camshaft is installed in goods of furniture for display rather than for use on the camshaft by fixed cover, and goods of furniture for display rather than for use links by connecting rod joint and connecting rod; Connecting rod connects with the big plate of lifting of cold headers by connecting plate, and the power crankshaft of big plate of lifting and cold headers links; Die thimble pipe contacts with die, can promote die and carry out rectilinear motion.The power crankshaft of upsetter is rotated, drive the big plate motion of lifting, the big plate of lifting moves back and forth by the connecting plate drivening rod, connecting rod moves back and forth and drives the goods of furniture for display rather than for use reciprocally swinging, thereby camshaft drives cam and rotates, and cam rotates the drive push rod and moves up and down, because push rod is step-like, when different steps position contacted with top board, top board can make the moving die of die thimble pipe racks in different positions.Because die is in different positions,, adds die and also change, thereby can carry out secondary forming with respect to the position of die thimble with the same punch different die cavities that can be shaped.In case it is a plurality of that the step position has, then might form a plurality of formingspaces.
Adopt upsetter of the present utility model; because the position of punch or die can change; what transmission mechanism adopted is rigid member all; thereby can surpassing the original die quantity of equipment, the number of times that carries out the upsetting shaping carry out upsetting; make and under the situation of using same equipment, same mould, can carry out the processing of upsetting more frequently, carry out the big production of deflection.For the upsetter that multimode is dashed more, the transmission mechanism of its transmission and punch links, and uses same power source with punch, can realize moving synchronously action more easily.Adopt the structure of cam and push rod, pressing plate, taken into full account the locus of upsetter, it is tight to have structure, can bear big pressure upsetting, and it is better that the upsetting effect can reach.
Description of drawings:
Fig. 1 is the principle schematic that straight-line motion mechanism adopts four-bar mechanism.
Fig. 2 is the principle schematic that straight-line motion mechanism adopts cam mechanism.
Fig. 3 is the principle schematic that straight-line motion mechanism adopts cam follower mechanism.
Fig. 4 is the principle schematic that straight-line motion mechanism adopts hydraulic mechanism.
Fig. 5 is the perspective view of cold upsetting machine.
Fig. 6 is the structural representation of the straight-line motion mechanism of cold upsetting machine shown in Figure 5.
Fig. 7 is the principle schematic that straight-line motion mechanism adopts ratchet mechanism.
Specific embodiment:
As shown in Figure 1; a kind of upsetter; described punch or die rigidity straight-line motion mechanism include sliding part 1, four-bar mechanism 2, and described four-bar mechanism 2 connects with the power output shaft (not shown), and described four-bar mechanism 2 can contact in swing and promote sliding part 1 straight reciprocating motion.Add man-hour carrying out upsetting, die or punch 3 are installed in die socket or the convex mould base 4, and sliding part 1 withstands die or punch 3 carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, four-bar mechanism 2 motions drive sliding part 1 motion, make die or punch 3 arrive the second places, and sliding part 1 withstands die or punch 3 carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As shown in Figure 2; a kind of upsetter; described punch or die rigidity straight-line motion mechanism include sliding part 1, cam 5, and described cam 5 connects with the power output shaft (not shown), and described cam 5 contacts with sliding part 1 in rotation and promotes sliding part 1 straight reciprocating motion.Add man-hour carrying out upsetting, die or punch 3 are installed in die socket or the convex mould base 4, and sliding part 1 withstands die or punch 3 carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, cam 5 rotates, and drives sliding part 1 rectilinear motion, makes die or punch 3 arrive the second places, and sliding part 1 withstands die or punch 3 carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As shown in Figure 3, as a kind of upsetter of realizing the utility model purpose, described die rigidity straight-line motion mechanism includes sliding part 1, push rod 8, cam 5, push rod is step-like, push rod 8 is arranged on the ram seat, and ram seat is arranged on the body, and described cam 5 connects with power output shaft, described cam 5 contacts with push rod 8 in rotation and promotes push rod 8, and described push rod 8 can contact the straight reciprocating motion of promotion sliding part at the volley with sliding part 1.Add man-hour carrying out upsetting, die 3 is installed in the die socket 4, and in conjunction with punch, sliding part 1 withstands die 3 and carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, cam 5 rotates, and drives sliding part 1 rectilinear motion, makes die 3 arrive the second places, and sliding part withstands die 3 and carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As shown in Figure 4, a kind of upsetter, described punch or die rigidity straight-line motion mechanism include sliding part 1, hydraulic cylinder 6, connecting rod 7, and described sliding part 1 is connected with hydraulic cylinder 6 by connecting rod 7.Add man-hour carrying out upsetting, die or punch 3 are installed in die socket or the convex mould base 4, and sliding part withstands die or punch 3 carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, hydraulic cylinder 6 moves, and drives sliding part 1 motion, makes die or punch 3 arrive the second places, and sliding part 1 withstands punch or die 3 carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As shown in Figure 7; a kind of upsetter; described punch or die rigidity straight-line motion mechanism include sliding part 1, tooth bar 38, ratchet 39; tooth bar 38 is step-like; described ratchet 39 connects with power output shaft; described ratchet 39 contacts with tooth bar 38 in rotation and promotes tooth bar 38, and described tooth bar 38 can contact 1 straight reciprocating motion of promotion sliding part at the volley with sliding part 1.Add man-hour carrying out upsetting, die or punch 3 are installed in die socket or the convex mould base 4, and sliding part withstands die or punch 3 carries out the upsetting first time in primary importance, and workpiece produces distortion for the first time; When carrying out second time upsetting, ratchet drives the tooth bar motion, because tooth bar is step-like; tooth bar 38 can drive sliding part 1 motion; make die or punch 3 arrive the second place, sliding part withstands die or punch 3 carries out upsetting processing in the second place, and processing parts produces distortion for the second time.
As Fig. 3, Fig. 5 and shown in Figure 6, upsetter be two moulds three towards cold headers, include body 10, die socket 4, power crankshaft 11, described sliding part 1 is a die thimble pipe 12, pressing plate 13 can contact and promote 12 straight reciprocating motions of die thimble pipe; Push rod 8 is step-like, and push rod 8 is installed on the body 10 by ram seat 9, push rod backing plate 14, and an end that contacts with cam 5 at push rod 8 is provided with contact runner 15, and the other end of push rod 8 contacts with pressing plate 13; Cam 5 is arranged on the camshaft 16, and camshaft 16 is fixing on body 10 by camshaft holder 17, and camshaft 16 is installed in goods of furniture for display rather than for use 19 on the camshaft 16 by fixed cover 18, and goods of furniture for display rather than for use 19 links by connecting rod joint 20 and connecting rod 21; Connecting rod 21 connects with the big plate 23 of lifting of cold headers by connecting plate 22, and the power crankshaft 11 that connects big plate 23 and cold headers links; Die thimble pipe 12 contacts with die 4, can promote die 4 and carry out rectilinear motion.The power crankshaft 11 of upsetter is rotated, drive big plate 23 motions of lifting, the big plate 23 of lifting moves back and forth by connecting plate 22 drivening rods 21, connecting rod 21 moves back and forth and drives goods of furniture for display rather than for use 19 reciprocally swingings, thereby camshaft 16 drives cam 5 and rotates, and cam 5 rotates drive push rod 8 and moves up and down, because push rod 8 is step-like, when different steps position contacted with pressing plate 13, pressing plate 13 can make die thimble pipe 12 drive die 4 in different positions.Because die 4 is in different positions,, adds die 4 and also change, thereby can carry out secondary forming with respect to the position of die thimble with the same punch different die cavities that can be shaped.In case it is a plurality of that the step position has, then might form a plurality of formingspaces.
Claims (11)
1. a upsetter includes body, die socket, convex mould base, power output shaft; It is characterized in that being provided with punch rigidity straight-line motion mechanism or die rigidity straight-line motion mechanism; Described punch rigidity straight-line motion mechanism is arranged on the convex mould base, connects with power output shaft; Described die rigidity straight-line motion mechanism is arranged on the die socket, connects with power output shaft.
2. a kind of upsetter as claimed in claim 1, it is characterized in that described punch rigidity straight-line motion mechanism or die rigidity straight-line motion mechanism include sliding part, four-bar mechanism, described four-bar mechanism connects with power output shaft, and described sliding part and described four-bar mechanism are hinged.
3. a kind of upsetter as claimed in claim 1, it is characterized in that described punch rigidity straight-line motion mechanism or die rigidity straight-line motion mechanism include sliding part, cam, described cam connects with power output shaft, described cam in rotation with described sliding part butt.
4. a kind of upsetter as claimed in claim 3, it is characterized in that described die rigidity straight-line motion mechanism includes sliding part, push rod, cam, push rod is step-like or wedge-like, push rod is arranged on the ram seat, ram seat is arranged on the body, described cam connects with power output shaft, described cam in rotation with the push rod butt, described push rod at the volley can with the sliding part butt.
5. a kind of upsetter as claimed in claim 1 is characterized in that described punch rigidity straight-line motion mechanism or die rigidity straight-line motion mechanism include sliding part, hydraulic cylinder, connecting rod, and described sliding part is connected with hydraulic cylinder by connecting rod.
6. a kind of upsetter as claimed in claim 1, it is characterized in that described punch rigidity straight-line motion mechanism or die rigidity straight-line motion mechanism include sliding part, tooth bar, ratchet, tooth bar is step-like or wedge-like, described ratchet connects with power output shaft, described ratchet and tooth bar engagement, described tooth bar and sliding part butt.
7. a kind of upsetter as claimed in claim 4 is characterized in that, described upsetter comprises two or more punch and/or two or more die.
8. a kind of upsetter as claimed in claim 7 is characterized in that, is provided with transmission mechanism between described cam and power output shaft.
9. a kind of upsetter as claimed in claim 8 is characterized in that described transmission mechanism is camshaft, goods of furniture for display rather than for use, connecting rod, connecting plate; Described cam is arranged on the camshaft, and camshaft and goods of furniture for display rather than for use are fixedly connected, and goods of furniture for display rather than for use is connected by linkage connector with connecting rod, and connecting rod connects with the actuating unit of the die shoe of upsetter.
10. a kind of upsetter as claimed in claim 9 is characterized in that being provided with pressing plate between push rod and sliding part, is provided with rotating shaft at the side of pressing plate, and pressing plate and rotating shaft articulate, and rotating shaft is installed on the body by sub-assembly; Between rotating shaft and pressing plate, be provided with spring, described push rod butt pressing plate, described pressing plate butt sliding part.
11. a kind of upsetter as claimed in claim 10 is characterized in that described sliding part is a die thimble pipe, pressing plate and die thimble pipe butt; Push rod is step-like, and push rod is installed on the body by ram seat, push rod backing plate, and an end that contacts with cam at push rod is provided with the contact runner, and the other end of push rod contacts with pressing plate; Cam is arranged on the camshaft, and camshaft is fixing on body by camshaft holder, and camshaft is installed in goods of furniture for display rather than for use on the camshaft by fixed cover, and goods of furniture for display rather than for use and limit link by connecting rod joint and connecting rod; Connecting rod connects with the big plate of lifting of cold headers by connecting plate, and the power crankshaft of big plate of lifting and cold headers links.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420088289 CN2796890Y (en) | 2004-09-17 | 2004-09-17 | Jolting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420088289 CN2796890Y (en) | 2004-09-17 | 2004-09-17 | Jolting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2796890Y true CN2796890Y (en) | 2006-07-19 |
Family
ID=36868128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420088289 Expired - Fee Related CN2796890Y (en) | 2004-09-17 | 2004-09-17 | Jolting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2796890Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438144A (en) * | 2013-09-12 | 2013-12-11 | 上海海弋机电科技有限公司 | Transmission mechanism for bimetal composite contact cold heading machine |
| CN111957868A (en) * | 2020-07-09 | 2020-11-20 | 蒙特费罗(湖州)电梯部件有限公司 | A high strength steel sheet hot stamping forming apparatus for producing for elevator accessories |
| CN116618566A (en) * | 2023-07-20 | 2023-08-22 | 江苏兴锻智能装备科技有限公司 | Full-profile metal curved surface rough forging device capable of changing direction |
-
2004
- 2004-09-17 CN CN 200420088289 patent/CN2796890Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438144A (en) * | 2013-09-12 | 2013-12-11 | 上海海弋机电科技有限公司 | Transmission mechanism for bimetal composite contact cold heading machine |
| CN103438144B (en) * | 2013-09-12 | 2016-01-13 | 上海海弋机电科技有限公司 | Bimetal composite contact cold header driving mechanism |
| CN111957868A (en) * | 2020-07-09 | 2020-11-20 | 蒙特费罗(湖州)电梯部件有限公司 | A high strength steel sheet hot stamping forming apparatus for producing for elevator accessories |
| CN116618566A (en) * | 2023-07-20 | 2023-08-22 | 江苏兴锻智能装备科技有限公司 | Full-profile metal curved surface rough forging device capable of changing direction |
| CN116618566B (en) * | 2023-07-20 | 2023-09-19 | 江苏兴锻智能装备科技有限公司 | Full-profile metal curved surface rough forging device capable of changing direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 Termination date: 20130917 |