CN201427140Y - Matching structure for guide plate and guide plate seat of balling mechanism of ball rolling machine for rods - Google Patents
Matching structure for guide plate and guide plate seat of balling mechanism of ball rolling machine for rods Download PDFInfo
- Publication number
- CN201427140Y CN201427140Y CN2009200428894U CN200920042889U CN201427140Y CN 201427140 Y CN201427140 Y CN 201427140Y CN 2009200428894 U CN2009200428894 U CN 2009200428894U CN 200920042889 U CN200920042889 U CN 200920042889U CN 201427140 Y CN201427140 Y CN 201427140Y
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- guide plate
- seat
- quiet clamping
- clamping plate
- rolling machine
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Abstract
The utility model discloses a matching structure for a guide plate and a guide plate seat of a balling mechanism of a ball rolling machine for rods, belonging to the technical field of a metal rod rolling device. The matching structure comprises an upper guide plate seat, a lower guide plate seat, an upper guide plate and a lower guide plate, wherein the upper guide plate seat comprises a first static splint and a first floating splint; and the first static splint consists of a first milling plane groove and a first foot-hanging cavity. The lower guide plate seat comprises a base and a secondmovable splint, the base is provided with a second static splint which consists of a second milling plane groove and a second foot-hanging cavity, and the second movable splint is matched with the second static splint. The upper guide plate is matched on the first milling plane groove and is provided with a first hanging foot which is matched with the first foot-hanging cavity. The lower guide plate is matched on the second milling plane groove and is provided with a second hanging foot which is matched with the second foot-hanging cavity. The matching structure has the advantages that the upper guide plate and the lower guide plate can be quickly and conveniently installed or dismounted, and the replacement time is shortened, thereby not affecting the working efficiency of the ball rolling machine for rods.
Description
Technical field
The utility model belongs to metal bar rolling device technical field, is specifically related to a kind of guide plate of ball forming mechanism of bar ball rolling machine and the fit structure of guide plate seat.
Background technology
The ball forming mechanism of bar ball rolling machine has a pair of guide plate and a pair of guide plate seat, a pair of guide plate is called upper and lower guide plate, a pair of guide plate seat then is called upper and lower guide plate seat, upper guide plate is installed on the upper guide plate seat, bottom guide is installed on the bottom guide seat, upper and lower guide plate corresponds to each other, in the process of ball forming mechanism to the bar balling-up, by upper and lower guide plate to the control of ball base.The fit structure of guide plate and guide plate seat also therefrom is seen in (annotate: this patent application is authorized) in the technical scheme of the ball forming mechanism of the bar ball rolling machine of state's invention patent application publication number CN101088656A recommendation.
At present, the guide plate on the ball forming mechanism of bar ball rolling machine and the fit structure of guide plate seat are by shown in Figure 3, upper guide plate seat 1 is fixed on the frame plate, bottom guide seat 2 is fixed on down on the frame plate, upper guide plate 3 is flush-mounted on the upper guide plate seat 1 and uses bolting, and bottom guide 4 is flush-mounted on the bottom guide seat 2 and uses bolting equally.Upper and lower guide plate 3,4 keeps upper and lower correspondence mutually, so that cooperation between the two and play the ball base rolling to need (steel ball base) control.The fit structure of above-mentioned guide plate and guide plate seat can satisfy instructions for use, but, the reason known as industry, after a period of time or the use of title through a stage have been worked by balling-up mechanism, wearing and tearing can appear in upper and lower guide plate 3,4, therefore must in time change, and specifically be that upper guide plate 3 is unloaded on upper guide plate seat 1, with bottom guide 4 removal on bottom guide seat 2, the upper and lower guide plate 3,4 that will newly enable then is respectively installed on the upper and lower guide plate seat 1,2.
On the surface, upper guide plate 3 unloaded from upper guide plate seat 1 can't produce puzzled or claim difficulty, if pine open and pull away the first bolt 3a with upper guide plate 3 drag from, in like manner, need only pine open and pull away the second bolt 4a with bottom guide 4 drag from.Yet, actual really not so, respectively constitute because the shape of upper and lower guide plate seat 1,2 is π shape one keep supplying respectively, chamber that bottom guide 3,4 is inserted, by the location status shown in the figure is example, the top of upper guide plate 3 is very tight to be placed in the chamber of π shape of upper guide plate seat 1, and be deep into the base portion of cavity, the bottom of bottom guide 4 also very closely is placed in the chamber of π shape of bottom guide seat 2, and is deep into the base portion of cavity.Because being the thickness with upper and lower guide plate 3,4, the width of the cavity of described π shape adapts, even after therefore pulling away first, second bolt 3a, 4a, still can't with upper and lower guide plate 3,4 from upper and lower guide plate seat 1,2 drag from, if knock upper and lower guide plate 3,4 repeatedly, so very easily undermine upper and lower guide plate seat 1,2 with instrument such as Hammer head.Just being based on this situation, promptly in order to avoid upper and lower guide plate seat 1,2 to damage, often whole upper guide plate seat 1 being taken off from last frame plate, specifically is removal the 3rd bolt 3b; In like manner, bottom guide seat 2 is taken off from following frame plate, specifically be removal the 4th bolt 4b, then upper guide plate seat 1 taken upper guide plate 3 and bottom guide seat 2 is taken bottom guide 4 deliver to the mechanical dismounting facility place that helps to make upper and lower guide plate 3,4 to recess upper and lower guide plate seat 1,2 and implement dismounting.The applicant is being because of using structure shown in Figure 3, and consciously to replace with, time that overall process spent of bottom guide 3,4 carried out timing, needs 90-120min usually, so, replaced with deeply, the puzzlement of bottom guide 3,4.Because the tediously long replacing time can seriously influence the balling-up efficient of bar ball rolling machine, and the workman is bigger because of the labour intensity of dismantling upper and lower guide plate 3,4 and paying.
In view of this, be necessary the fit structure of guide plate in the prior art and guide plate seat is improved, technical scheme described below produces under this background.
Summary of the invention
Task of the present utility model be to provide a kind of replace with, need not during bottom guide with upper and lower guide plate seat removal and dismounting quick and use the guide plate of ball forming mechanism of the bar ball rolling machine that ensures balling-up efficient and the fit structure of guide plate seat.
Task of the present utility model is finished like this, a kind of guide plate of ball forming mechanism of bar ball rolling machine and the fit structure of guide plate seat, comprise, the bottom guide seat, be used to be installed to upper guide plate and the bottom guide that is used to be installed on the bottom guide seat on the upper guide plate seat, described upper guide plate seat comprises first quiet clamping plate that connect firmly with last frame plate and the first unsteady clamping plate that match with the first quiet clamping plate, and constitute one first milling flat groove in the bottom of the length direction of the first quiet clamping plate and have one first hanging feet chamber at an end of the length direction of the first quiet clamping plate, the first milling flat groove is towards first ambulatory splint, described bottom guide seat comprises a pedestal and one second ambulatory splint, and a side or middle part at the length direction of pedestal constitute one second quiet clamping plate, side at the length direction of these second quiet clamping plate constitutes one second milling flat groove, and has one second hanging feet chamber at an end of the length direction of the second quiet clamping plate, wherein, described second ambulatory splint matches with the second quiet clamping plate, and the second milling flat groove face is to second ambulatory splint; Described upper guide plate is engaged on the described first milling flat groove, and has one first hanging feet on the top of an end of upper guide plate, and this first hanging feet matches with the described first hanging feet chamber; Described bottom guide is engaged on the described second milling flat groove, and has one second hanging feet in the bottom of an end of bottom guide, and this second hanging feet matches with the described second hanging feet chamber.
In a specific embodiment of the present utility model, the degree of depth of the described first milling flat groove is corresponding to the thickness of upper guide plate.
In another specific embodiment of the present utility model, the degree of depth of the described second milling flat groove is suitable with the thickness of bottom guide.
In another specific embodiment of the present utility model, bottom, the chamber in the described first hanging feet chamber has one first inclined-plane, and described first hanging feet has one second inclined-plane, and this second inclined-plane matches with described first inclined-plane.
In another specific embodiment of the present utility model, the incline direction on described first, second inclined-plane is opposite, and the angle of inclination is 45 °.
Go back in the specific embodiment of the present utility model, the top of chamber in the described second hanging feet chamber has one the 3rd inclined-plane, and described second hanging feet has one the 4th inclined-plane, and the 4th inclined-plane matches with described the 3rd inclined-plane.
More of the present utility model and in specific embodiment, the opposite and angle of inclination of the incline direction on described the 3rd, the 4th inclined-plane is 45 °.
In of the present utility model and then specific embodiment, the described first quiet clamping plate offer at least one pair of first fixing hole, and offer on described first portable plate equate with the quantity of described first fixing hole and corresponding second fixing hole in position, penetrate second, first fixing hole successively by the 5th bolt first ambulatory splint and the described first quiet clamping plate are fixed, and the top of length direction that makes described upper guide plate is between the first dynamic and static clamping plate.
Of the present utility model again more and in specific embodiment, offer at least one pair of the 3rd fixing hole on the described second quiet clamping plate, equate and corresponding the 4th fixing hole in position and offer on described second ambulatory splint with the quantity of the 3rd fixing hole, penetrate the 4th, the 3rd fixing hole successively by the 6th bolt second ambulatory splint and the described second quiet clamping plate are fixed, and the bottom of length direction that makes described bottom guide is between the second dynamic and static clamping plate.
In again of the present utility model and then specific embodiment, the described second quiet clamping plate are formed in the middle part of the length direction of described pedestal, and perpendicular to pedestal.
The advantage of the technical scheme that the utility model provides is: in the time will replacing with guide plate, outline opens first ambulatory splint with pine, just upper guide plate can be pulled away, when changing bottom guide, equally only slightly pine is opened second ambulatory splint, and bottom guide is pulled away, and therefore can install quickly or the upper and lower guide plate of removal, make that institute's time spent shortens to 3-5min by original 90-120min in the whole replacing process, thereby can not influence the operating efficiency of bar ball rolling machine.
Description of drawings
Fig. 1 is a specific embodiment structure chart of the present utility model.
Fig. 2 is the application examples schematic diagram of Fig. 1 structure.
Fig. 3 is the guide plate of ball forming mechanism of the bar ball rolling machine in the prior art and the fit structure schematic diagram of guide plate seat.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
See also Fig. 1, upper guide plate seat 1 comprises the first quiet clamping plate 11 and first ambulatory splint 12, wherein, the first quiet clamping plate 11 connect firmly with last frame plate 5, the mode that connects firmly both can be solid welding, also can adopt securing member to fix, even can with last frame plate 5 integral productions, because replace with do not need on the guide plate 3 to resemble prior art structure for example shown in Figure 3 so with whole upper guide plate seat 1 from removal on the grillage 5, therefore the utility model structure can show first static board, 11 once and for all of sening as an envoy to and remains on the frame plate 5, why be defined as the first quiet clamping plate 11, its meaning just is this.Last frame plate 5 is fixed on the entablature 9 of ball forming mechanism.In the bottom of the length direction of the first quiet clamping plate 11 and in the face of a side of first ambulatory splint 12 constitutes one first milling flat groove 111, why claim the first milling flat groove 111, be to process because mill by lathe or milling machine.(below of diagram left end) is processed with one first hanging feet chamber 112 below an end of the first quiet clamping plate 11, and is processed with first tiltedly and 1121 below these 112 accent positions, first hanging feet chamber.Middle part at the length direction of the first quiet clamping plate 11 offers a pair of first fixing hole 113.First ambulatory splint 12 is clapped to close promptly with the first quiet clamping plate 11 and is cooperated, specifically: on first ambulatory splint 12, offer a pair of second fixing hole 121, second fixing hole 121 is corresponding with first fixing hole 113, penetrate second, first fixing hole 121,113 and fix with the 5th bolt 1121, thereby second ambulatory splint 12 is fixed on the first quiet clamping plate 11 with nut.Matching with the first milling flat groove 111 in the top of the length direction of upper guide plate 3, that is to say, the thickness of the degree of depth of the first milling flat groove 111 and upper guide plate 3 adapts.One first hanging feet 31 is equipped with on top at an end of the length direction of upper guide plate 3, and this first hanging feet 31 matches with the first hanging feet chamber 112.In order to embody convenience to the dismounting of upper guide plate 3, below first hanging feet 31, be processed with one second inclined-plane 311, the incline direction on this second inclined-plane 311 is opposite with the incline direction on aforesaid second inclined-plane 1121, so that constitute complementation each other, the angle of inclination on first, second inclined-plane 1121,311 is 45 °.
Please continue referring to Fig. 1, upper guide plate seat 2 comprises the pedestal 21 and second ambulatory splint 22, and also to can be described as base 6 fixing for the frame plate that both can be described as down of pedestal 21 usefulness screws and ball forming mechanism.Central authorities at the length direction of pedestal 21 constitute one second quiet clamping plate 211, and these second quiet clamping plate 211 constitute vertical relations with pedestal 21.Be processed with one second milling flat groove 2111 in the portion on the lower side of the length direction of the second quiet clamping plate 211 and towards a side of second ambulatory splint 22, and the end (illustrated left end) at the second quiet clamping plate 211 is processed with one second hanging feet chamber 2112, is processed with one the 3rd inclined-plane 21121 on the top of the accent in the second hanging feet chamber 2112.Match with the aforesaid second milling flat groove 2111 in the bottom of the length direction of bottom guide 4, the thickness of the degree of depth of the second milling flat groove 2111 and bottom guide 4 is complementary, end (diagram left end) at bottom guide 4 is processed with one second hanging feet 41, and on second hanging feet 41, be processed with one the 4th inclined-plane 411, the 4th inclined-plane 411 is opposite with the incline direction on aforesaid the 3rd inclined-plane 21121, constitute complementation each other, the angle of inclination on the 3rd, the 4th inclined-plane 21121,411 is 45 °.Middle part at the length direction of the second quiet clamping plate 211 offers a pair of the 3rd fixing hole 2113, and on second ambulatory splint 22, offer a pair of the 4th fixing hole 221, penetrate the 4th, the 3rd fixing hole 221,2113 successively and fix with the 6th bolt 221, thereby second ambulatory splint 22 is fixed on the second quiet clamping plate 211 with nut.Shown in figure, the degree that upper guide plate 3 is presented between the first quiet clamping plate 11 and first ambulatory splint 12 only is about 1/3rd of the short transverse of upper guide plate 3, more particularly, be the degree of the height of the first milling flat groove 111 only, be not presented to the base portion that global shape is the cavity of π shape as shown in Figure 3 and do not resemble prior art; The degree that bottom guide 4 is presented between the second quiet clamping plate 211 and second ambulatory splint 22 is routine together, therefore provides convenience for the upper and lower guide plate 3,4 of dismounting.The function on aforesaid the first, the 3rd inclined-plane 1121,21121 is spacing.
See also Fig. 2 and continuation in conjunction with Fig. 1, the ball forming mechanism of the bar ball rolling machine that widely uses in the prior art has been shown among Fig. 2, this mechanism comprises a pair of ball roller 71 that rolls that is installed on the roll shaft seat 7, the pedestal 21 of bottom guide seat 2 shown in Figure 1 is fixing with the base 6 of ball forming mechanism by screw 212, and aforesaid roll shaft seat 7 is located on the base 6.When wanting rolled metal ball 8, as long as bar is fed into a pair of rolling between the ball roller 71, and by 3,4 pairs of Metal Ball 8 control of upper and lower guide plate.Because after use after a while, wearing and tearing can appear in the end face that upper and lower guide plate 3,4 contact with Metal Ball 8, thus need in time replace with, bottom guide 3,4.To replace with guide plate 3 is example, as long as the derotation the 5th bolt 1211, make first ambulatory splint 12 discharge clamping to upper guide plate 3, then by operating personnel with upper guide plate 3 follow slightly apply the power of upwards lifting in from extracting out between the first quiet clamping plate 11 and first ambulatory splint 12; The mode of installing guide plate 3 is with example, treat that upper guide plate 3 inserts after, screw the 5th bolt 1211 again.The replacing of bottom guide 4 is with the description to upper guide plate 3.
Clearly, when replacing with guide plate 3, neither need to employ the first quiet clamping plate 11, also need not first ambulatory splint 12 is moved apart, as long as pine is opened the 5th bolt 1211, thereby operating efficiency is very good, change bottom guide 4 and equally neither need to employ pedestal 21, also need not second ambulatory splint 22 is moved away from, and, make second ambulatory splint 22 unclamp (release) compeling to hold and bottom guide 4 can be detached between the second quiet clamping plate 211 and second ambulatory splint 22 bottom guide 4 as long as pine is opened the 6th bolt 2211. Bottom guide 3,4 all need not to rely on other auxiliary mechanical facility in the loading, unloading.
The applicant is applied to the utility model scheme on the ball forming mechanism of the employed bar ball rolling machine of applicant, and the fit structure and the structure shown in Figure 3 of this guide plate and guide plate seat have been carried out the simulation contrast, adopt the utility model scheme, replace with, 3,4 time spents of bottom guide are 4min, and structure shown in Figure 3 is 110min.So the technical scheme that the utility model provides is ultimate attainment.
Claims (10)
1, a kind of guide plate of ball forming mechanism of bar ball rolling machine and the fit structure of guide plate seat, comprise, bottom guide seat (1,2), be used to be installed to the upper guide plate (3) on the upper guide plate seat (1) and be used to be installed to bottom guide (4) on the bottom guide seat (2), it is characterized in that described upper guide plate seat (1) comprises first quiet clamping plate (11) that connect firmly with last frame plate (5) and the first unsteady clamping plate (12) that match with the first quiet clamping plate (11), and constitute one first milling flat groove (111) in the bottom of the length direction of the first quiet clamping plate (11) and have one first hanging feet chamber (112) at an end of the length direction of the first quiet clamping plate (11), the first milling flat groove (111) is towards first ambulatory splint (12), described bottom guide seat (2) comprises a pedestal (21) and one second ambulatory splint (22), and a side or middle part at the length direction of pedestal (21) constitute one second quiet clamping plate (211), side at the length direction of these second quiet clamping plate (211) constitutes one second milling flat groove (2111), and has one second hanging feet chamber (2112) at an end of the length direction of the second quiet clamping plate (211), wherein, described second ambulatory splint (22) matches with the second quiet clamping plate (211), and the second milling flat groove (2111) is towards second ambulatory splint (22); Described upper guide plate (3) is engaged on the described first milling flat groove (111), and has one first hanging feet (31) on the top of an end of upper guide plate (3), and this first hanging feet (31) matches with the described first hanging feet chamber (112); Described bottom guide (4) is engaged on the described second milling flat groove (2111), and has one second hanging feet (41) in the bottom of an end of bottom guide (4), and this second hanging feet (41) matches with the described second hanging feet chamber (2112).
2, the fit structure of the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 1 and guide plate seat, the degree of depth that it is characterized in that the described first milling flat groove (111) are corresponding to the thickness of upper guide plate (3).
3, the fit structure of the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 1 and guide plate seat, the degree of depth that it is characterized in that the described second milling flat groove (2111) are suitable with the thickness of bottom guide (4).
4, the fit structure of the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 1 and guide plate seat, the bottom, chamber that it is characterized in that the described first hanging feet chamber (112) has one first inclined-plane (1121), and described first hanging feet (31) has one second inclined-plane (311), and this second inclined-plane (311) matches with described first inclined-plane (1121).
5, the fit structure of the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 4 and guide plate seat it is characterized in that the incline direction on described first, second inclined-plane (1121,311) is opposite, and the angle of inclination is 45 °.
6, the fit structure of the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 1 and guide plate seat, the top of chamber that it is characterized in that the described second hanging feet chamber (2112) has one the 3rd inclined-plane (21121), and described second hanging feet (41) has one the 4th inclined-plane (411), and match with described the 3rd inclined-plane (21121) the 4th inclined-plane (411).
7, the fit structure of the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 6 and guide plate seat is characterized in that the opposite and angle of inclination of the incline direction on described the 3rd, the 4th inclined-plane (21121,411) is 45 °.
8, the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 1 and the fit structure of guide plate seat, it is characterized in that the described first quiet clamping plate (115) offer at least one pair of first fixing hole (113), and offer on described first portable plate (12) equate with the quantity of described first fixing hole (113) and corresponding second fixing hole in position (121), penetrate second successively by the 5th bolt (1211), first fixing hole (121,113) first ambulatory splint (12) and the described first quiet clamping plate (11) are fixing, and it is first moving that the top of the length direction of described upper guide plate (3) is positioned at, quiet clamping plate (12,11) between.
9, the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 1 and the fit structure of guide plate seat, it is characterized in that offering on the described second quiet clamping plate (211) at least one pair of the 3rd fixing hole (2113), equate and corresponding the 4th fixing hole in position (221) and offer on described second ambulatory splint (22) with the quantity of the 3rd fixing hole (2113), penetrate the 4th successively by the 6th bolt (2211), the 3rd fixing hole (221,2113) second ambulatory splint (22) and the described second quiet clamping plate (211) are fixing, and it is second moving that the bottom of the length direction of described bottom guide (4) is positioned at, quiet clamping plate (22,211) between.
10, the fit structure of the guide plate of the ball forming mechanism of bar ball rolling machine according to claim 1 and guide plate seat is characterized in that the described second quiet clamping plate (211) are formed in the middle part of the length direction of described pedestal (21), and perpendicular to pedestal (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200428894U CN201427140Y (en) | 2009-06-08 | 2009-06-08 | Matching structure for guide plate and guide plate seat of balling mechanism of ball rolling machine for rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200428894U CN201427140Y (en) | 2009-06-08 | 2009-06-08 | Matching structure for guide plate and guide plate seat of balling mechanism of ball rolling machine for rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201427140Y true CN201427140Y (en) | 2010-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200428894U Expired - Lifetime CN201427140Y (en) | 2009-06-08 | 2009-06-08 | Matching structure for guide plate and guide plate seat of balling mechanism of ball rolling machine for rods |
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| Country | Link |
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| CN (1) | CN201427140Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590509B (en) * | 2009-06-08 | 2010-11-24 | 常熟市非凡金属制品有限公司 | Matched structure for guide plate and guide plate seat of ball forming mechanism of bar ball rolling machine |
| CN104550269A (en) * | 2015-01-21 | 2015-04-29 | 侯宇岷 | Rolling guide and guard device for steel ball rotary cutter and roll forging machine |
| CN105013992A (en) * | 2015-07-31 | 2015-11-04 | 江阴东邦钢球机械有限公司 | Steel ball rotary cutter |
-
2009
- 2009-06-08 CN CN2009200428894U patent/CN201427140Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590509B (en) * | 2009-06-08 | 2010-11-24 | 常熟市非凡金属制品有限公司 | Matched structure for guide plate and guide plate seat of ball forming mechanism of bar ball rolling machine |
| CN104550269A (en) * | 2015-01-21 | 2015-04-29 | 侯宇岷 | Rolling guide and guard device for steel ball rotary cutter and roll forging machine |
| CN105013992A (en) * | 2015-07-31 | 2015-11-04 | 江阴东邦钢球机械有限公司 | Steel ball rotary cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100324 Effective date of abandoning: 20090608 |