CN104759541A - Agricultural tool shouldering and embossing mould and manufacturing method thereof - Google Patents
Agricultural tool shouldering and embossing mould and manufacturing method thereof Download PDFInfo
- Publication number
- CN104759541A CN104759541A CN201510169986.XA CN201510169986A CN104759541A CN 104759541 A CN104759541 A CN 104759541A CN 201510169986 A CN201510169986 A CN 201510169986A CN 104759541 A CN104759541 A CN 104759541A
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- Prior art keywords
- mould
- die
- connecting rod
- bottom plate
- base
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- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 238000004049 embossing Methods 0.000 title abstract description 6
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 3
- 240000001624 Espostoa lanata Species 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract 3
- 230000006378 damage Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/20—Making tools by operations not covered by a single other subclass
Abstract
The invention discloses an agricultural tool shouldering and embossing mould and a manufacturing method thereof. The mould is an integrally bracket structure, the upper mould comprises a punch; the lower mould comprises a mould bottom plate, a concave mould, a convex mould, a concave mould base, a convex mould base, a mould rear base, a spring guide column, a guide sleeve base, and a connecting rod which is in contact fit with the punch; the mould rear base, the spring guide column, the guide sleeve base, the concave mould base and the convex mould base are mounted on the mould bottom plate in sequence; the convex mould is mounted on the convex mould base; the concave mould is fixed on the concave mould base; the guide sleeve is embedded into the guide sleeve base; a rolling ball guide column is embedded into a rolling ball guide sleeve; the rolling ball guide column is connected with a connecting rod; the other end of the connecting rod is connected with the mould rear base; an operation hole is formed in the middle of the mould bottom plate; the lower surface of the mould bottom plate is fixed by a fastener. The mould is simple in manufacturing method, scientific to assembly, capable of ensuring the product embossing consistency while being applied to a production line, the rejection rate is reduced, the mould loading time is shortened, the danger coefficient when the worker operates is reduced, and the production efficiency and the application benefits are greatly improved.
Description
Technical field
The present invention relates to a kind of mould, relate to specifically a kind of step on shoulder knurling mould with agricultural tool after stepping on the agricultural tool formed product such as shoulder such as square spade, sharp spade, coal spade and make method.
Background technology
Agricultural tool shaping post legged shoulder knurling mould conventional is at present simple concave-convex mold, die is integrated, punch is integrated, molds is embedded on the left and right platform of horizontal punching machine, all need before every subjob to carry out manually mould, due to manual operation, the situation having mould unavoidably not in place to mould occurs, carry out will repeatedly testing with sheet stock mould, waste time and cost, the product of each production can not ensure uniformity, the concave-convex mold of conventional mould is left and right mould, during operation, mould directly collides mutually, very easily wearing and tearing or damage, all need change this mould once damage, namely cost is added, again reduce operating efficiency simultaneously, moreover conventional mould can only use on horizontal punching machine, can not use on vertical punch press, use equipment has significant limitation.In addition, conventional mold stroke is 0-130mm, because stroke is large, uses horizontal punching machine work, easily injures operator, dangerous large.
Summary of the invention
Goal of the invention of the present invention is respectively to be integrated for prior art concave-convex mold, molds is embedded on the left and right platform of horizontal punching machine, all need before every subjob to carry out manually mould,, inefficiency, production cost high deficiency low to mould accuracy, one be to provide a kind of easy to use, efficiency is high, danger coefficient is low, percent defective is low, have need not to mould, effect easy for installation simultaneously, be no matter band trousers or the agricultural tool product not with trousers, shapingly all spendablely step on shoulder knurling mould afterwards; And be to provide simple, the easy-operating preparation method of stepping on shoulder knurling mould of a kind of preparation method.
Realize foregoing invention object by the following technical solutions:
A kind of agricultural tool steps on shoulder knurling mould, comprise upper die and lower die, it is characterized in that, described mold integral is supporting structure, its patrix comprises the drift of welding die shank, and counterdie comprises die bottom plate, die, punch, die socket, convex mould base, mould back seat, spring guide pillar, guide pin bushing seat, the connecting rod that coordinates with punch. contact; Mould back seat, spring guide pillar, guide pin bushing seat, die socket, convex mould base are arranged on die bottom plate respectively according to the order of sequence, and wherein, punch is arranged on convex mould base, and die is fixed on die socket, and guide pin bushing is embedded on guide pin bushing seat, and ball guide pillar is embedded in ball bearing guide bushing; Ball guide pillar is connected with connecting rod, and the other end of connecting rod is connected with mould back seat, and there is handle hole the centre of die bottom plate, fixes below die bottom plate with securing member.
Further
,described die bottom plate is provided with hole, securing member from aerial through being fastened and fixed.
Further
,described spring guide pillar, guide pin bushing seat, die socket, convex mould base are connected and fixed respectively by securing member and die bottom plate, and wherein the stroke of die socket is 0-10mm.
Further
,described connecting rod is two joints
,two joint connecting rod pins connect, and the two ends of connecting rod are embedded with jump ring, are connected with pin with the junction of mould back seat, needle roller guide pillar.
Further
,described spring guide pillar is outside equipped with spring.
Further
,handle hole in the middle of described counterdie die bottom plate is rectangle.
Further
,described punch and matrix is respectively insert structure, and wherein die plate insert is rectangular structure, and diagonal bolted is on die socket, and punch is irregularly shaped, to angular direction bolted on convex mould base.
Agricultural tool steps on a preparation method for shoulder knurling mould, and it is characterized in that, this preparation method is carried out in the steps below:
A. being arranged on by mould back seat is provided with on the die bottom plate of handle hole, fixes with securing member;
B. spring guide pillar is arranged on die bottom plate, fixes with securing member;
C. ball bearing guide bushing is embedded on guide pin bushing seat, ball guide pillar is embedded in guide pin bushing;
D. guide pin bushing seat is arranged on die bottom plate, fixes with securing member below die bottom plate;
E. assemble connecting rod, connected with pin by connecting rod identical for two joint specifications, the two ends of connecting rod embed jump ring respectively, one of connecting rod is connected with needle roller guide pillar respectively with two ends, the other end is connected with the right-hand member of mould back seat, and connecting rod is connected with pin with the junction of mould back seat right-hand member, and two ends embed jump ring;
F. the left end of needle roller guide pillar is connected with die socket, fixes with securing member;
G. die is fixed on die socket, fixes with securing member;
H. press in the middle part of connecting rod, check die stroke, after qualified, punch is arranged on convex mould base, fixes with securing member;
I. last convex mould base is arranged on die bottom plate, is fastened and fixed with securing member, debug intact after, mould is arranged on punch press;
J. assemble patrix: patrix is made up of drift, drift is inverted T-shaped structure.
Further, described securing member is bolt, pin.
Further, during work, in the middle part of the connecting rod of ram impacts counterdie.
Compared with prior art, the invention has the beneficial effects as follows:
Because concave-convex mold of the present invention have employed insert design, each operation does not need mould, direct installation just can use afterwards, shortens the patrix time, does not need test piece, add the uniformity of product, decrease percent defective, if concave-convex mold damages, only need change the insert of concave-convex mold, without integral replacing, reduce cost.Instant invention overcomes the defect of prior art upper and lower mould direct collision, but by the middle part of the connecting rod of patrix drift aligning counterdie, direct and connecting rod bumps against, and has spring supporting under connecting rod, owing to clashing into, connecting rod extends and promotes guide pillar, pushes guide pillar to die socket, moves forward and bump against with punch, and the stroke of die socket is 0-10mm, spacing is shorter, and not easily meet accident during manual operation injury, reduces danger coefficient.
Mould of the present invention is supporting structure, it is the placement space of spade trousers between two connecting rods, be placed on completely on mould to enable spade trousers, be provided with rectangular hole in the middle of the counterdie die bottom plate, this scheme breaches the spade of band trousers cannot the present situation of embossing after shaping, is a huge breakthrough in agricultural tool industry, and this mould is of wide application general, can be applied to various steel shovel, no matter sharp spade, or square spade, coal spade all can use.This mould is used production line, decreases percent defective, guarantee the uniformity of product, shorten the patrix time, reduce danger coefficient during operative, drastically increase production efficiency and application benefit.The preparation method of this mould is simple, and easy to operate, labour intensity is low.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of counterdie of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is upper die structure schematic diagram of the present invention.
Fig. 4 is patrix of the present invention (drift) structural representation.
Mark in figure: die bottom plate 1, pin 2, jump ring 3, back seat 4, spring guide pillar 5, spring 6, connecting rod 7, ball guide pillar 8, ball bearing guide bushing 9, guide pin bushing seat 10, die socket 11, die 12, punch 13, spade 14, convex mould base 15, handle hole 16, alignment pin 17, bolt 18, drift 19.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention will be further described:
A kind of agricultural tool shaping post legged shoulder knurling mould, mold integral is supporting structure, comprises patrix and counterdie.Patrix forms primarily of the drift 19 of welding die shank.Counterdie is made up of die 12, punch 13, die socket 11, convex mould base 15, die bottom plate 1, back seat 4, connecting rod 7, ball guide pillar 8, ball bearing guide bushing 9, guide pin bushing seat 10, spring guide pillar 5 etc.Specific embodiment is shown in Fig. 1-Fig. 4.
embodiment 1 patrix
See Fig. 4, patrix of the present invention is drift 19, and this drift 19 is inverted T-shaped structure, and it is horizontal, longitudinal component is cuboid respectively, and longitudinal component is welded on the middle part of lateral part.
embodiment 2 counterdie
The middle part of the die bottom plate 1 of counterdie is provided with rectangular handle hole 16, die bottom plate 1 is laid and has multiple installing hole, mould back seat 4, spring guide pillar 5, guide pin bushing seat 10, die socket 11, convex mould base 15 are arranged on die bottom plate 1 sequenced through installing hole respectively, and mould back seat 4, spring guide pillar 5, guide pin bushing seat 10, die socket 11, convex mould base 15 are fastened on die bottom plate 1 through installing hole by bolt 18 successively.Die 12, punch 13 are respectively insert structure, and wherein the insert of die 12 is rectangular structure, and its diagonal bolted is on die socket 11, and the stroke of die socket 11 is 0-10mm.Punch 13 is irregularly shaped, its to angular direction bolted on convex mould base 15.Guide pin bushing seat 10 bolt 18 is fastened on die bottom plate 1, and ball bearing guide bushing 9 is embedded in guide pin bushing seat 10, and ball guide pillar 8 is embedded in ball bearing guide bushing 9, and connecting rod 7 is between ball guide pillar 8 and mould back seat 4, and connecting rod 7 is two joints
,connect with pin between two joint connecting rods, the two ends of connecting rod 7 are embedded with jump ring 3 respectively, and one end of connecting rod 7 is connected with ball guide pillar 8, and the other end is connected with mould back seat 4, and the junction of connecting rod 7 and needle roller guide pillar 8, mould back seat 4 is connected with pin 3 respectively.Spring guide pillar 5 is positioned at the below in the middle part of connecting rod 7, and spring guide pillar 5 is outside equipped with spring 6.The middle part of connecting rod 7 is contact positions of patrix drift 19.Patrix and counterdie are combined into the shaping post legged of agricultural tool and take on knurling mould.Be placed between concave-convex mold as agricultural tool spade 14, spade handle is placed in handle hole 16.
Embodiment 3 steps on the preparation method of shoulder knurling mould
making step is as follows
1, be first arranged on die bottom plate 1 by mould back seat 4, bolt 18 passes from the installing hole of die bottom plate 1, fixes below die bottom plate 1 with bolt, embeds alignment pin 17, last fastening bolt 18.
2, spring guide pillar 5 is arranged on die bottom plate 1, fixes with bolt 18 below die bottom plate 1, embed alignment pin 17, last fastening bolt 18;
3, ball bearing guide bushing 9 is embedded on guide pin bushing seat 10, ball guide pillar 8 is embedded in ball bearing guide bushing 9;
4, guide pin bushing seat 10 is arranged on die bottom plate 1, fixes with bolt 18 below die bottom plate 1, embed alignment pin 17, last fastening bolt 18;
5, connecting rod 7 is assembled, the identical bar pin of two joint specifications is connected as one composition connecting rod 7, the two ends of connecting rod 7 embed jump ring 3 respectively, one end is connected with the right-hand member of needle roller guide pillar 8, the other end is connected with the left end of mould back seat 4, connecting rod 7 is connected with pin 2 with the junction of needle roller guide pillar 8, mould back seat 4, embeds jump ring 3;
6, the left end of needle roller guide pillar 8 is connected with die socket 11, fixes with bolt, embed alignment pin, last fastening bolt;
7, die 12 is fixed on die socket 11, fixes with bolt, embed alignment pin, last fastening bolt;
8, press in the middle part of connecting rod 7, check die 12 stroke, after qualified, punch 13 is arranged on convex mould base 15, fixes with bolt, embed alignment pin, last fastening bolt;
9, finally convex mould base 15 is arranged on die bottom plate 1, fixes with bolt below die bottom plate 1, embed alignment pin, last fastening bolt, debug intact rear just mould can being arranged on punch press and worked.
the present invention steps on the course of work of shoulder knurling mould:
The drift 19 of patrix impacts in the middle part of the connecting rod 7 of counterdie, and connecting rod has for 7 times spring 6 to support, and has ball guide pillar 8 in spring 6, connecting rod 7 extends after being subject to surge, promotes ball guide pillar 8 to left movement, promotes die socket 11 immediately to left movement, collide with punch 13, complete embossing operation.Along with patrix drift 19 lifts, spring 6 support link 7 moves upward, and ball guide pillar 8 moves right, and pulls die socket 11 to move right, and die socket 11 encounters guide pin bushing seat 10 stop motion, just completes a whole set of embossing action to this.After this repeat this continuously to move.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, modifications or improvements on the basis of not departing from invention thought of the present invention, all belong to the scope of protection of present invention.
Claims (10)
1. an agricultural tool steps on shoulder knurling mould, comprise upper die and lower die, it is characterized in that, described mold integral is supporting structure, its patrix comprises the drift of welding die shank, and counterdie comprises die bottom plate, die, punch, die socket, convex mould base, mould back seat, spring guide pillar, guide pin bushing seat, the connecting rod that coordinates with punch. contact; Mould back seat, spring guide pillar, guide pin bushing seat, die socket, convex mould base are arranged on die bottom plate respectively according to the order of sequence, and wherein, punch is arranged on convex mould base, and die is fixed on die socket, and guide pin bushing is embedded on guide pin bushing seat, and ball guide pillar is embedded in ball bearing guide bushing; Ball guide pillar is connected with connecting rod, and the other end of connecting rod is connected with mould back seat, and there is handle hole the centre of die bottom plate, fixes below die bottom plate with securing member.
2. agricultural tool according to claim 1 steps on shoulder knurling mould, it is characterized in that, described die bottom plate is provided with hole, securing member from aerial through being fastened and fixed.
3. agricultural tool according to claim 1 steps on shoulder knurling mould, it is characterized in that, described spring guide pillar, guide pin bushing seat, die socket, convex mould base are connected and fixed respectively by securing member and die bottom plate, and wherein the stroke of die socket is 0-10mm.
4. agricultural tool according to claim 1 steps on shoulder knurling mould, it is characterized in that, described connecting rod is two joints, and two joint connecting rod pins connect, and the two ends of connecting rod are embedded with jump ring, are connected with pin with the junction of mould back seat, needle roller guide pillar.
5. agricultural tool according to claim 1 steps on shoulder knurling mould, it is characterized in that, described spring guide pillar is outside equipped with spring.
6. agricultural tool according to claim 1 steps on shoulder knurling mould, it is characterized in that, the handle hole in the middle of described counterdie die bottom plate is rectangle.
7. agricultural tool according to claim 1 steps on shoulder knurling mould, it is characterized in that, described punch and matrix is respectively insert structure, wherein die plate insert is rectangular structure, diagonal bolted is on die socket, punch is irregularly shaped, to angular direction bolted on convex mould base.
8. agricultural tool as claimed in claim 1 steps on a preparation method for shoulder knurling mould, and it is characterized in that, this preparation method is carried out in the steps below:
A. being arranged on by mould back seat is provided with on the die bottom plate of handle hole, fixes with securing member;
B. spring guide pillar is arranged on die bottom plate, fixes with securing member;
C. ball bearing guide bushing is embedded on guide pin bushing seat, ball guide pillar is embedded in guide pin bushing;
D. guide pin bushing seat is arranged on die bottom plate, fixes with securing member below die bottom plate;
E. assemble connecting rod, connected with pin by connecting rod identical for two joint specifications, the two ends of connecting rod embed jump ring respectively, one of connecting rod is connected with needle roller guide pillar respectively with two ends, the other end is connected with the right-hand member of mould back seat, and connecting rod is connected with pin with the junction of mould back seat right-hand member, and two ends embed jump ring;
F. the left end of needle roller guide pillar is connected with die socket, fixes with securing member;
G. die is fixed on die socket, fixes with securing member;
H. press in the middle part of connecting rod, check die stroke, after qualified, punch is arranged on convex mould base, fixes with securing member;
I. last convex mould base is arranged on die bottom plate, is fastened and fixed with securing member, debug intact after, mould is arranged on punch press;
J. assemble patrix: patrix is made up of drift, drift is inverted T-shaped structure.
9. agricultural tool according to claim 8 steps on the preparation method of shoulder knurling mould, and it is characterized in that, described securing member is bolt, pin.
10. agricultural tool according to claim 8 steps on the preparation method of shoulder knurling mould, it is characterized in that, during work, in the middle part of the connecting rod of ram impacts counterdie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169986.XA CN104759541B (en) | 2015-04-13 | 2015-04-13 | Agricultural tool shouldering and embossing mould and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169986.XA CN104759541B (en) | 2015-04-13 | 2015-04-13 | Agricultural tool shouldering and embossing mould and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759541A true CN104759541A (en) | 2015-07-08 |
| CN104759541B CN104759541B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510169986.XA Active CN104759541B (en) | 2015-04-13 | 2015-04-13 | Agricultural tool shouldering and embossing mould and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN104759541B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945121A (en) * | 2017-03-29 | 2017-07-14 | 河南师范大学 | A kind of cut-flower cutting die device |
| CN106956327A (en) * | 2017-03-29 | 2017-07-18 | 河南师范大学 | A kind of autobalance cut-flower cutting die |
| CN110920306A (en) * | 2019-12-06 | 2020-03-27 | 深圳市合力士机电设备有限公司 | Pneumatic element combines link assembly's knurling mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB136593A (en) * | 1918-11-14 | 1919-12-15 | Robert Abbott Hadfield | Improvements in or relating to the Manufacture of Shovels, and other Articles used for Shovelling and Digging Purposes. |
| US4916984A (en) * | 1988-03-17 | 1990-04-17 | Albert Barry R | Shovel blade and method of manufacture |
| CN201493376U (en) * | 2009-08-05 | 2010-06-02 | 吴远东 | Novel portable pneumatic punching machine |
| CN103121061A (en) * | 2011-11-18 | 2013-05-29 | 北汽福田汽车股份有限公司 | Die of stamping die and stamping die |
| CN204545147U (en) * | 2015-04-13 | 2015-08-12 | 唐山市燕南制锹有限公司 | Agricultural tool steps on shoulder knurling mould |
-
2015
- 2015-04-13 CN CN201510169986.XA patent/CN104759541B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB136593A (en) * | 1918-11-14 | 1919-12-15 | Robert Abbott Hadfield | Improvements in or relating to the Manufacture of Shovels, and other Articles used for Shovelling and Digging Purposes. |
| US4916984A (en) * | 1988-03-17 | 1990-04-17 | Albert Barry R | Shovel blade and method of manufacture |
| CN201493376U (en) * | 2009-08-05 | 2010-06-02 | 吴远东 | Novel portable pneumatic punching machine |
| CN103121061A (en) * | 2011-11-18 | 2013-05-29 | 北汽福田汽车股份有限公司 | Die of stamping die and stamping die |
| CN204545147U (en) * | 2015-04-13 | 2015-08-12 | 唐山市燕南制锹有限公司 | Agricultural tool steps on shoulder knurling mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945121A (en) * | 2017-03-29 | 2017-07-14 | 河南师范大学 | A kind of cut-flower cutting die device |
| CN106956327A (en) * | 2017-03-29 | 2017-07-18 | 河南师范大学 | A kind of autobalance cut-flower cutting die |
| CN110920306A (en) * | 2019-12-06 | 2020-03-27 | 深圳市合力士机电设备有限公司 | Pneumatic element combines link assembly's knurling mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104759541B (en) | 2017-01-18 |
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Denomination of invention: Embossing mould for agricultural tool tread shoulder and its manufacturing method Effective date of registration: 20200825 Granted publication date: 20170118 Pledgee: Bank of Cangzhou Limited by Share Ltd. Tangshan branch Pledgor: TANGSHAN YANNAN SHOVEL-MAKING Co.,Ltd. Registration number: Y2020980005322 |
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Date of cancellation: 20210826 Granted publication date: 20170118 Pledgee: Bank of Cangzhou Limited by Share Ltd. Tangshan branch Pledgor: TANGSHAN YANNAN SHOVEL-MAKING Co.,Ltd. Registration number: Y2020980005322 |
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Denomination of invention: Agricultural tool shoulder embossing mold and its production method Effective date of registration: 20231218 Granted publication date: 20170118 Pledgee: Bank of Cangzhou Limited by Share Ltd. Tangshan branch Pledgor: TANGSHAN YANNAN SHOVEL-MAKING Co.,Ltd. Registration number: Y2023980072392 |