CN215845696U - Floating magnetic field press - Google Patents
Floating magnetic field press Download PDFInfo
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- CN215845696U CN215845696U CN202122278443.5U CN202122278443U CN215845696U CN 215845696 U CN215845696 U CN 215845696U CN 202122278443 U CN202122278443 U CN 202122278443U CN 215845696 U CN215845696 U CN 215845696U
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- electric cylinder
- die holder
- die
- magnetic field
- frame
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- 238000007667 floating Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 17
- 239000006247 magnetic powder Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 230000005347 demagnetization Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a floating magnetic field press machine which comprises a base (13), wherein a lower beam (10) is fixedly arranged on the base (13), two opposite side plates (4) are symmetrically and fixedly arranged on the lower beam (10), an upper beam (3) is arranged between the tops of the two side plates (4), a pair of polar posts (5) are symmetrically arranged on the two side plates (4), and coil packages (9) are arranged on the polar posts (5); the die holder is characterized in that a die holder cushion block (15) is arranged on the upper bottom surface of the lower beam (10), a die holder bottom plate (16) is arranged on the die holder cushion block (15), a lower die holder (17) is arranged on the die holder bottom plate (16), and a lower punch (19) is arranged on the lower die holder (17). The utility model has reasonable design, is the best substitute of a hydraulic system press and has good practical application value.
Description
Technical Field
The utility model relates to the technical field of magnetic powder forming equipment, in particular to a floating magnetic field press which is formed by pressing through an electric cylinder control system and belongs to high-precision and high-quality rare earth permanent magnet machine, electricity and instrument integrated processing equipment.
Background
The existing magnetic powder press is mostly a hydraulic drive press, and has the defects of high cost, low efficiency, difficult maintenance and the like, the precision and the density of a product pressed by rare earth magnetic powder are low, and a pressed product needs to be subjected to a secondary isostatic press pressing procedure, so that the realization of forming automation is not facilitated.
Disclosure of Invention
Based on the above problems of the existing magnetic powder press, the utility model aims to provide a novel floating magnetic field press.
The utility model is realized by adopting the following technical scheme:
the utility model provides a magnetic field press floats, includes the base, fixed mounting has the underbeam on the base, symmetry fixed mounting has just right two curb plates on the underbeam, installs the roof beam between two curb plate tops, and a pair of utmost point post of symmetry installation on two curb plates, be equipped with the solenoid on the utmost point post. A die holder cushion block is arranged on the upper bottom surface of the lower beam, a die holder bottom plate is arranged on the die holder cushion block, a lower die holder is arranged on the die holder bottom plate, and a lower punch is arranged on the lower die holder; a lower electric cylinder is installed on the lower bottom surface of the lower beam, a lower electric cylinder piston rod of the lower electric cylinder penetrates through the lower beam and then extends into a reserved stroke space of a die holder cushion block, the end part of the lower electric cylinder piston rod is connected with an underframe of a movable die holder, a die holder is installed in the middle of a top frame of the movable die holder, a female die is fixedly installed on the die holder and located between a pair of polar posts, and a lower die penetrates through the die holder and then is matched with and extends into the female die; the upper bottom surface of the upper beam is provided with an upper electric cylinder, an upper die frame is arranged after an upper electric cylinder piston rod of the upper electric cylinder penetrates through the upper beam, an upper punch is arranged on the bottom surface of the upper die frame, and the lower end of the upper punch is matched with and extends into the female die.
When the floating magnetic field press works specifically, unidirectional pressing and floating pressing can be realized when the press is used for manufacturing products.
When unidirectional pressing is adopted, the lower electric cylinder acts, and the piston rod of the lower electric cylinder moves upwards to drive the movable die frame to drive the die holder and the female die to a proper position (at the moment, the upper part of the lower die punch is positioned in the female die and is used as the bottom of the female die, and the lower part is the same). And then adjusting the distance between the pole and the female die, clamping the die (female die), filling magnetic powder, magnetizing and orienting, then moving the upper cylinder, moving a piston rod of the upper cylinder downwards, driving the upper punch to extend into the female die through the upper die frame, compressing the magnetic powder downwards, maintaining the pressure for a period of time, demagnetizing, moving the upper cylinder upwards, resetting the upper die, taking out the workpiece, and finishing a pressing process.
When floating pressing is adopted, the distance between the pole and the female die is adjusted, the distance between the pole and the female die is ensured to be unchanged, the lower electric cylinder acts, a piston rod of the lower electric cylinder moves upwards to be positioned at a specified position through a movable die frame, a die holder and the female die are driven by the movable die frame, magnetic powder is filled in the die holder, the piston rod of the upper electric cylinder moves downwards after the upper electric cylinder acts, the upper die is driven by an upper die frame to be punched to an upper opening of the female die, the upper electric cylinder and the lower electric cylinder move downwards simultaneously after magnetization and orientation, and the piston rod of the lower electric cylinder drives the die holder and the female die to move downwards at a slow speed through the movable die frame; the upper electric cylinder piston rod drives the upper punch to move downwards quickly through the upper die frame to form floating differential pressure, demagnetization is carried out after press forming, the upper electric cylinder moves upwards to reset, the lower electric cylinder moves downwards to reset, the workpiece is taken out, and a pressing process is completed.
Preferably, in order to increase the motion stability of the movable mould frame, four guide pillars are arranged between the upper beam and the lower beam, and the movable mould frame is formed by connecting a top frame and a bottom frame through four sleeves sleeved outside the guide pillars; the movable mould frame moves along the four guide posts under the driving of the lower electric cylinder. The guide posts are fixed on the upper beam and the lower beam through guide post adjusting nuts respectively.
Preferably, the upper electric cylinder and the lower electric cylinder are positioned on the same axis, an upper electric cylinder supporting plate is arranged at the bottom of the upper electric cylinder, and the upper electric cylinder supporting plate is fastened and installed at the bottom of the upper electric cylinder through a guide pillar by a nut; the bottom of the lower electric cylinder is provided with a lower electric cylinder supporting plate, and the lower electric cylinder supporting plate is tightly mounted at the bottom of the lower electric cylinder through a guide pillar and a nut; the four guide posts further form a stable combined structure with the frame (formed by the upper beam, the lower beam and the side plate) and the upper electric cylinder and the lower electric cylinder.
Preferably, a nut seat is fixedly installed on the side plate, a lead screw is installed in the nut seat, a hand wheel is installed at the outer end of the lead screw, and the inner end of the lead screw is connected with the pole; the distance between the two polar columns can be conveniently adjusted by adjusting the polar columns to horizontally move through the hand wheel.
Compared with the prior art, the utility model has the following advantages:
(1) the frame structure of the floating magnetic field press machine adopts a mixed structure of a combined frame structure and a four-column structure which are mutually connected, and the base supports the frame structure, so that the frame structure is stable in overall structure, high in strength, rigidity and precision, convenient to seal during working, high in deformation resistance after bearing pressure and high in finished product qualification rate.
(2) The pressure part of the floating magnetic field press adopts an electric cylinder press molding technology, a closed-loop servo control system, and a modularized product which integrally designs a servo motor, a lead screw, a control instrument and other parts is easily connected with control systems such as a PLC (programmable logic controller), and has the best advantages that: the precision speed control and the precision position control are carried out, and the control precision reaches 0.01 mm; the thrust is precisely controlled, and the control precision can reach 1%; the device realizes high-precision motion control, high rigidity, impact resistance and super long service life, can work for a long time without failure in severe environment, and is environment-friendly and energy-saving.
(3) The floating magnetic field press machine has the advantages that the pressing density can reach the pressing density of an isostatic press due to the improvement of rigidity, strength and precision, products pressed by the press machine can directly enter a sintering process, the pressing link of the isostatic press in the existing magnetic powder forming process can be reduced, and the road is paved for realizing automatic continuous operation.
(4) The floating magnetic field press machine has the advantages of simple operation, stable movement, low noise, low maintenance cost and the like, only needs to be lubricated by injecting grease regularly, has no wearing parts and needs to be maintained and replaced, and reduces a large amount of after-sale service cost compared with a hydraulic system press machine.
The utility model has reasonable design, is the best substitute of a hydraulic system press and has good practical application value.
Drawings
Fig. 1 shows a front cross-sectional view of the floating magnetic field press.
Fig. 2 shows a side cross-sectional view of the present floating magnetic field press (i.e., view B-B of fig. 1).
Fig. 3 is a front view of the floating magnetic field press.
Fig. 4 is a side view of the floating magnetic field press.
In the figure: 1-upper cylinder support plate, 2-upper electric cylinder, 3-upper beam, 4-side plate, 5-pole, 6-nut seat, 7-handwheel, 8-lead screw, 9-coil, 10-lower beam, 11-lower electric cylinder, 12-lower electric cylinder supporting plate, 13-base, 14-lower electric cylinder piston rod, 15-die holder cushion block (sizing block), 16-die holder bottom plate, 17-lower die holder, 18-die holder, 19-lower die punch, 20-female die, 21-workpiece, 22-upper die punch, 23-upper die holder, 24-upper cylinder piston rod, 25-nut, 26-guide column, 27-guide column adjusting nut and 28-movable die holder.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
The utility model provides a magnetic field press floats, as shown in figure 1, 2, including base 13, fixed mounting has underbeam 10 on the base 13, symmetrical fixed mounting has just right two curb plates 4 on the underbeam 10, install roof beam 3 between 4 tops of two curb plates, a pair of utmost point post 5 of symmetry installation on two curb plates 4, specifically be fixed mounting screw seat 6 on the curb plate 4, install lead screw 8 in the screw seat 6, 8 outer end installation hand wheels 7 of lead screw, 8 the inner and utmost point post 5 of lead screw are connected, for example 8 the inner can be installed in the reservation mounting groove of utmost point post 4 through the bearing of lead screw, the rotary motion of hand wheel passes through the lead screw and changes the horizontal linear motion of utmost point post into like this. A coil 9 is arranged outside the pole 5.
As shown in fig. 1 and 2, four guide posts 26 are disposed between the upper beam 3 and the lower beam 10, and the four guide posts 26 are respectively fixed to the upper beam 3 and the lower beam 10 by guide post adjusting nuts 27.
As shown in fig. 1 and 2, a die holder cushion block 15 is mounted on the upper bottom surface of the lower beam 10, a die holder bottom plate 16 is mounted on the die holder cushion block 15, a lower die base 17 is mounted on the die holder bottom plate 16, a lower punch 19 is mounted on the lower die base 17, and the die holder cushion block 15, the die holder bottom plate 16, the lower die base 17 and the lower punch 19 are fixed.
As shown in fig. 1 and 2, a lower electric cylinder 11 is mounted on the lower bottom surface of the lower beam 10, a lower electric cylinder support plate 12 is provided at the bottom of the lower electric cylinder 11, and the lower electric cylinder support plate 12 is fastened to the bottom of the lower electric cylinder 11 by a nut 25 through a guide post.
As shown in fig. 2, the movable mold frame 28 is formed by connecting a top frame and a bottom frame through four sleeves sleeved outside the guide posts 26. The lower cylinder piston rod 14 drives the moving die carrier 28 to move up and down along the guide post 26.
As shown in fig. 1 and 2, the lower electric cylinder piston rod 14 of the lower electric cylinder 11 passes through the lower beam 10 and then extends into the reserved stroke space of the die holder cushion block 15, specifically, the die holder cushion block 15 may be composed of two blocks, the middle part is the reserved stroke space, the end part of the lower electric cylinder piston rod 14 is just located in the stroke space, and the end part of the lower electric cylinder piston rod 14 is connected with the bottom frame of the movable die carrier 28, that is, the bottom frame of the movable die carrier 28 moves up and down in the reserved stroke space under the driving of the lower electric cylinder piston rod 14. The movable mould frame 28, the mould base bottom plate 16 and the mould base sizing block 15 form a cross layout structure.
As shown in fig. 1 and 2, a die holder 18 is installed in the middle of the top frame of the movable die holder 28, a female die 20 is fixedly installed on the die holder 18, the female die 20 is located between the pair of poles 5, the lower punch 19 penetrates through the die holder 18 and then is inserted into the female die 20 in a matched manner, that is, the lower punch 19 is used as the bottom surface of the female die 20, and magnetic powder is loaded into the female die 20 and then is located on the lower punch 19.
As shown in fig. 1 and 2, an upper electric cylinder 2 is mounted on the upper bottom surface of the upper beam 3, an upper cylinder support plate 1 is arranged at the bottom of the upper electric cylinder 2, and the upper cylinder support plate 1 is fastened and mounted at the bottom of the upper electric cylinder 2 through a guide pillar and a nut 25. An upper cylinder piston rod 24 of the upper electric cylinder 2 penetrates through the upper beam 3 and then is provided with an upper die frame 23, the upper die frame 23 penetrates through the four guide posts 16, the upper die frame 23 moves along the guide posts 26 to ensure the stability during movement, an upper punch 22 is arranged on the bottom surface of the upper die frame 23, the lower end of the upper punch 22 is matched and extends into the female die 20, and the upper punch 22 and the lower punch 19 work on a workpiece 21 through the female die 20.
The assembly and the work are as follows in specific implementation:
firstly, a frame structure adopts a mixed structure of a combined frame structure and a four-column structure which are mutually connected, and a base supports the frame structure.
The frame is formed by connecting an upper beam 3, a lower beam 10, a left side plate and a right side plate 4, four guide pillars 26 are respectively arranged on the upper beam 3 and the lower beam 10 of the frame by guide pillar adjusting nuts 27 and are integrally fixed on a base 13, and a rack system is formed.
The upper electric cylinder 2 is fixed on the upper beam 3, and the upper cylinder support plate 1 is tightly installed at the bottom of the upper electric cylinder 2 through a guide post 26 by a nut 25 to form an upper electric cylinder part.
The lower electric cylinder 11 is fixed on the lower beam 10, and the lower electric cylinder supporting plate 12 is tightly installed at the bottom of the lower electric cylinder 11 through a guide post 26 by a nut 25 to form a lower electric cylinder part.
The upper electric cylinder 2, the lower electric cylinder 11, the upper beam 3, the lower beam 10 and the side plate 4 of the frame are organically connected into a whole through the guide pillar 26, the integral rigidity and the strength are very strong, the structure is very stable, the installation precision of the electric cylinders is high, and the adjustment is convenient.
Secondly, the pressure part adopts an electric cylinder compression molding technology, a closed-loop servo control system, and a modular product which is designed by integrally integrating a servo motor, a lead screw, a control instrument and other parts is easily connected with a control system such as a PLC (programmable logic controller), so that the speed and the position are accurately controlled, and the control precision reaches 0.01 mm; the thrust is precisely controlled, and the control precision can reach 1%.
The upper surface of the upper die carrier 23 is connected with an upper cylinder piston rod 24, the lower surface is connected with an upper punch 22, and the upper die carrier is connected with the upper cylinder piston rod 24 and slides up and down along a guide post 26 to form an upper die carrier part.
The lower punch 19 is fixed on the lower die base 17, the upper surface of the die base bottom plate 16 is connected with the lower die base 17, the lower surface of the die base bottom plate is connected with the finished product of the two die base sizing blocks 15 in a shape of Chinese character 'tu', and the lower die base bottom plate is fixed on the lower beam 10 to form a lower die base part.
The upper surface of the die holder 18 is connected with the female die 20, the lower surface of the die holder is connected with the top plate of the movable die carrier 28, and the bottom plate of the movable die carrier 28 is connected with the lower electric cylinder piston rod 14 and slides up and down along the guide post 26 to form a movable die carrier part.
The movable die frame 28, the die holder bottom plate 16 and the die holder sizing iron 15 form a cross layout structure, and the upper punch 22 and the lower punch 19 work on the workpiece 21 through the female die 20.
And thirdly, the pole part, the gap between the two poles is adjustable, and the female die and the pole can work in the gap.
Two groups of coils 9 are fixed on the side plates 4 and respectively coated with corresponding poles 5, the poles 5 are connected with a screw 8 and installed in the coils 9, the coils are positioned by a screw seat 6, a hand wheel 7 is connected with the screw 8 to form a pole part, and the distance between the poles can be adjusted left and right by rotating the hand wheel 7.
The coil 9 is provided with a specified cooling system, so that the coil is ensured to work at a constant temperature all the time, the power consumption cost is reduced, and the magnetic field intensity is ensured.
Fourth, the working process
When the floating magnetic field press is used for manufacturing products, unidirectional pressing and floating pressing can be realized.
When the unidirectional pressing is adopted, the lower electric cylinder 11 acts, and the piston rod 14 of the lower electric cylinder moves upwards to drive the movable die carrier to drive the die holder 18 and the female die 20 to a proper position (the upper part of the lower punch 19 is positioned in the female die 20). Then the hand wheel 7 is rotated to adjust the distance between the pole 5 and the female die 20, the die (female die) is clamped, magnetic powder is filled, after magnetizing and orientation, the upper electric cylinder 2 acts, the upper electric cylinder piston rod 24 moves downwards and drives the upper punch 22 to extend into the female die 20 through the upper die frame 23, magnetic powder is compressed downwards, pressure is maintained for a period of time, after demagnetization, the upper electric cylinder 2 moves upwards, the upper die resets, the workpiece is taken out, and a pressing process is completed.
When floating pressing is adopted, a hand wheel 7 is rotated to adjust the distance between a pole and a female die 20, a lead screw 8 is locked, the distance between the pole 5 and the female die 20 is ensured to be unchanged, a lower electric cylinder 11 acts, a piston rod 14 of the lower electric cylinder moves upwards and is positioned to a specified position through a die holder 18 of a movable die frame and the female die 20, magnetic powder is filled, after an upper electric cylinder 2 acts, an upper electric cylinder piston rod 24 moves downwards, an upper punch 22 is driven to an upper opening of the female die 20 through an upper die holder 23, after magnetization orientation, the upper electric cylinder and the lower electric cylinder move downwards simultaneously, and the piston rod 14 of the lower electric cylinder drives the die holder 18 and the female die 20 to move downwards at a slow speed through a movable die holder 28; an upper cylinder piston rod 24 drives an upper punch 22 to move downwards quickly through an upper die frame 23 to form floating differential pressure, demagnetization is carried out after press forming, the upper cylinder moves upwards to reset, the lower cylinder moves downwards to reset, a workpiece is taken out, and a pressing process is completed.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the detailed description is made with reference to the embodiments of the present invention, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which shall be covered by the claims of the present invention.
Claims (6)
1. A floating magnetic field press machine comprises a base (13), wherein a lower beam (10) is fixedly installed on the base (13), two opposite side plates (4) are symmetrically and fixedly installed on the lower beam (10), an upper beam (3) is installed between the tops of the two side plates (4), a pair of polar posts (5) are symmetrically installed on the two side plates (4), and coil packages (9) are arranged on the polar posts (5);
the method is characterized in that: a die holder cushion block (15) is arranged on the upper bottom surface of the lower beam (10), a die holder bottom plate (16) is arranged on the die holder cushion block (15), a lower die holder (17) is arranged on the die holder bottom plate (16), and a lower punch (19) is arranged on the lower die holder (17);
a lower electric cylinder (11) is installed on the lower bottom surface of the lower beam (10), a lower electric cylinder piston rod (14) of the lower electric cylinder (11) penetrates through the lower beam (10) and then extends into a reserved stroke space of a die holder cushion block (15), the end part of the lower electric cylinder piston rod (14) is connected with an underframe of a movable die holder (28), a die holder (18) is installed in the middle of a top frame of the movable die holder (28), a female die (20) is fixedly installed on the die holder (18), the female die (20) is located between a pair of polar posts (5), and a lower punch (19) penetrates through the die holder (18) and then is matched with and extends into the female die (20);
the electric cylinder (2) is installed on the upper bottom surface of the upper beam (3), an upper cylinder piston rod (24) of the upper electric cylinder (2) penetrates through the upper beam (3) and then is installed on an upper die frame (23), an upper punch (22) is installed on the bottom surface of the upper die frame (23), and the lower end of the upper punch (22) is matched with and extends into the female die (20).
2. A floating magnetic field press as claimed in claim 1, wherein: four guide posts (26) are arranged between the upper beam (3) and the lower beam (10), and the movable mould frame (28) is formed by connecting a top frame and a bottom frame through four sleeves sleeved outside the guide posts (26).
3. A floating magnetic field press as claimed in claim 2, wherein: the guide post (26) is fixed on the upper beam (3) and the lower beam (10) through a guide post adjusting nut (27).
4. A floating magnetic field press as claimed in claim 3, wherein: an upper electric cylinder support plate (1) is arranged at the bottom of the upper electric cylinder (2), and the upper electric cylinder support plate (1) is fixedly arranged at the bottom of the upper electric cylinder (2) through a guide pillar and a nut (25); the bottom of the lower electric cylinder (11) is provided with a lower electric cylinder supporting plate (12), and the lower electric cylinder supporting plate (12) is tightly mounted at the bottom of the lower electric cylinder (11) through a guide post and a nut (25).
5. A floating magnetic field press as claimed in claim 4, wherein: the improved electric connector is characterized in that a nut seat (6) is fixedly installed on the side plate (4), a lead screw (8) is installed in the nut seat (6), a hand wheel (7) is installed at the outer end of the lead screw (8), and the inner end of the lead screw (8) is connected with the pole (5).
6. A floating magnetic field press as claimed in claim 2, wherein: the upper die frame (23) penetrates through the four guide posts (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122278443.5U CN215845696U (en) | 2021-09-18 | 2021-09-18 | Floating magnetic field press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122278443.5U CN215845696U (en) | 2021-09-18 | 2021-09-18 | Floating magnetic field press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845696U true CN215845696U (en) | 2022-02-18 |
Family
ID=80255047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122278443.5U Active CN215845696U (en) | 2021-09-18 | 2021-09-18 | Floating magnetic field press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215845696U (en) |
-
2021
- 2021-09-18 CN CN202122278443.5U patent/CN215845696U/en active Active
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Address after: 030013 Xiangyang Town Xiangyang Village, Jiancaoping District, Taiyuan City, Shanxi Province Patentee after: Shanxi Hongyi Machinery Equipment Co.,Ltd. Address before: 030013 Xiangyang Town Xiangyang Village, Jiancaoping District, Taiyuan City, Shanxi Province Patentee before: TAIYUAN HONGHUO MACHINERY EQUIPMENT Co.,Ltd. |