CN210059801U - Iron-based powder die for manufacturing eccentric ratchet wheel with shifting pin and metallurgical device - Google Patents
Iron-based powder die for manufacturing eccentric ratchet wheel with shifting pin and metallurgical device Download PDFInfo
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- CN210059801U CN210059801U CN201822272000.3U CN201822272000U CN210059801U CN 210059801 U CN210059801 U CN 210059801U CN 201822272000 U CN201822272000 U CN 201822272000U CN 210059801 U CN210059801 U CN 210059801U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 title claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 17
- 238000004080 punching Methods 0.000 claims description 20
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 14
- 238000007514 turning Methods 0.000 description 6
- 238000000748 compression moulding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
An iron-based powder die for manufacturing an eccentric ratchet wheel with a shifting pin and a metallurgical device comprise a female die, an upper punch, a next second punch and a mandrel, wherein a boss is arranged on the outer side surface of the female die; the lower second punch is arranged in the lower first punch in a penetrating mode, and the upper end face of the lower second punch is lower than the upper end face of the lower first punch; the core rod is arranged in the lower punch in a penetrating mode, the core rod and the lower punch are arranged in parallel, and the upper end face of the core rod is flush with the upper end face of the die hole; a through groove used for the core rod to slide is correspondingly formed in the upper punch; tooth grooves corresponding to ratchet parts of the eccentric ratchet wheel are formed in the inner wall of the die hole, and a die cavity for manufacturing the eccentric ratchet wheel is formed in the female die through the inner wall of the die hole, the upper end faces of the next punch and the outer surface of the cylinder of the core rod.
Description
Technical Field
The utility model relates to an eccentric ratchet production facility field, concretely relates to an iron-based powder mould and metallurgical installation for making take eccentric ratchet of shifting pin.
Background
At present, the manufacture of an eccentric ratchet wheel is mainly carried out by the traditional machining process manufacturing technology, and the eccentric ratchet wheel and a poking pin are separately manufactured, wherein the poking pin is made of a stainless steel bar as a raw material and is machined into the machined poking pin through a plurality of procedures of turning (turning one end surface), turning (turning and excircle), turning (turning the other end surface), surface treatment (deburring), excircle grinding and the like; the machined driver pins are then riveted, one by one, to the eccentric ratchet wheel without driver pins. The eccentric ratchet wheel with the one-way clamping function manufactured by the traditional method has more processing procedures, and the utilization rate of the stainless steel material machined by the shifting pin is 55 percent, so that a great deal of material resource waste is caused; the processing period is long, and the equipment, energy and human resources are greatly wasted; the processing quality is poor, the qualified rate is low, and the dimensional accuracy consistency is poor; the production efficiency is low, the time and labor costs are high, the material costs are high, the tool costs and the equipment costs are low, and the production cost is high. Particularly, the mechanical processing of the shift pin requires that the shift pin is riveted to the iron-based powder metallurgy eccentric ratchet without the shift pin one by one, and the manufacturing and production efficiency is extremely low. Thus, the iron-based powder metallurgy device is used for manufacturing the eccentric ratchet wheel with the pulling pin.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model discloses to prior art's not enough, provide a simple structure, convenient operation, production efficiency is high, product quality uniformity and stable high be used for making the iron-based powder mould and the metallurgical device of taking the eccentric ratchet of round pin.
Second, the concrete technical scheme
An iron-based powder die for manufacturing an eccentric ratchet wheel with a pulling pin is characterized in that: the stamping die comprises a female die, an upper punch, a next second punch and a core rod, wherein a boss is arranged on the outer side surface of the female die; the next punch penetrates through the die hole, and the upper end surface of the next punch is lower than the upper end surface of the die hole; the lower second punch is arranged in the lower first punch in a penetrating mode, and the upper end face of the lower second punch is lower than the upper end face of the lower first punch; the core rod is arranged in the lower punch in a penetrating mode, the core rod and the lower punch are arranged in parallel, and the upper end face of the core rod is flush with the upper end face of the die hole; a through groove used for the core rod to slide is correspondingly formed in the upper punch; tooth grooves corresponding to ratchet parts of the eccentric ratchet wheel are formed in the inner wall of the die hole, and a die cavity for manufacturing the eccentric ratchet wheel is formed in the female die through the inner wall of the die hole, the upper end faces of the next punch and the outer surface of the cylinder of the core rod.
A metallurgical device for manufacturing an iron-based powder die of an eccentric ratchet wheel with a pulling pin is characterized in that: the punching die comprises an upper punch fixing seat, a next punch fixing seat, a lower second punch fixing seat and a mandrel fixing seat, wherein the upper punch fixing seat is fixedly connected with the upper punch, the next punch fixing seat is fixedly connected with the next punch penetrating through the die hole, the lower second punch fixing seat is fixedly connected with the lower second punch penetrating through the next punch, and the mandrel fixing seat is fixedly connected with the mandrel penetrating through the next punch.
The working principle is as follows: before processing, the upper punch fixing seat, the next punch fixing seat, the lower second punch fixing seat and the core rod fixing seat are respectively installed corresponding to the upper punch, the next punch, the lower second punch and the core rod, before iron-based powder is placed, the upper end face of the next punch is higher than the upper end face of the lower second punch, the upper end face of the next punch is lower than the upper end opening face of the die cavity in the middle of the female die, the upper end face of the core rod is flush with the upper end opening face of the die cavity to form a cavity for containing the iron-based powder, the upper punch punches downwards, the iron-based powder is extruded on the outer circle surfaces of the upper punch, the inner wall of the die cavity, the next punch, the lower second punch and the.
Preferably, the method comprises the following steps: the next punch is arranged in the die hole in a sliding mode, when iron-based powder is filled, the upper end face of the next punch slides at a position higher than the upper end face of the next punch, and after the eccentric ratchet is pressed, the next punch slides upwards to push the formed eccentric ratchet, so that the eccentric ratchet is convenient to demould.
Preferably, the method comprises the following steps: the upper punch fixing seat comprises an upper punch seat I, an upper punch seat II, an upper punch gland and an upper punch seat gland, wherein the upper punch seat I is connected with the top of the upper punch through the upper punch gland, and the upper punch seat II is connected with the top of the upper punch seat I through the upper punch seat gland; the next punch fixing seat comprises a next punch seat and a next punch cover, and the next punch seat is connected with the bottom of the next punch through the next punch cover; the lower second punch fixing seat comprises a lower second punch seat and a lower second punch cover, and the lower second punch seat is connected with the bottom of the lower second punch through the lower second punch cover; the mandrel fixing seat comprises a mandrel seat I, a mandrel seat II and a mandrel gland, the mandrel seat II is connected to the bottom of the mandrel seat I, and the mandrel seat I is connected with the bottom of the mandrel through the mandrel gland; by adopting the structure, the device can be more conveniently connected with a press, and the punching force can be better provided when the eccentric ratchet wheel is pressed.
Preferably, the method comprises the following steps: the next punch is arranged in the die hole in a sliding manner; the size of the manufactured eccentric ratchet wheel is determined by arranging the next punching position in a sliding manner, and the next punching position slides upwards to eject the machined eccentric ratchet wheel in a sliding manner during demoulding, so that demoulding is facilitated.
Preferably, the method comprises the following steps: the lower second punch is arranged in the lower first punch in a sliding manner; the length of the manufactured shifting pin is determined by arranging the lower secondary punch position in a sliding manner, and the lower secondary punch slides upwards to eject the processed eccentric ratchet wheel during demoulding, so that demoulding is facilitated.
Preferably, the method comprises the following steps: the core rod is arranged in the next punch in a sliding mode; before pressing, the top end of the core rod extends out of the die hole, so that the formation of a main shaft hole on the eccentric ratchet wheel is facilitated, and the core rod slides downwards to be separated from the eccentric ratchet wheel during demoulding, so that demoulding is facilitated.
Preferably, the method comprises the following steps: the next punch is arranged in the die hole in a sliding manner, and a first motor for driving the next punch to slide up and down in the female die is connected to the next punch seat; the next punch seat is driven by the next punch seat to slide up and down, so that the processing and demolding are facilitated, the size precision of the processed eccentric ratchet wheel is consistent, and the production efficiency is improved.
Preferably, the method comprises the following steps: the lower second punch is arranged in the lower first punch in a sliding manner, and the lower second punch seat is connected with a second motor for driving the lower second punch to slide up and down in the lower first punch; the lower second punching seat is driven by the second motor to slide up and down, and the lower second punching seat drives the lower second punching seat to slide up and down, so that the processing and demolding are facilitated, the size precision of the processed eccentric ratchet wheel is consistent, and the production efficiency is improved.
Preferably, the method comprises the following steps: the mandrel is arranged in the next punch in a sliding manner, and a third motor for driving the mandrel to slide up and down in the next punch is connected to the mandrel seat; the first mandrel seat is driven by the third motor to slide up and down, so that the mandrel seat drives the mandrel to slide up and down, the formation and the demoulding of a spindle hole in the eccentric ratchet wheel are facilitated, the size precision of the machined eccentric ratchet wheel is consistent, and the production efficiency is improved.
The utility model has the advantages that: the eccentric ratchet wheel pressed by the utility model has good appearance, high dimensional accuracy and good consistency, and ensures the stability of mass production quality; the eccentric ratchet wheel product with the shifting pin produced by the iron-based powder metallurgy process is formed in one step, machining and riveting procedures are reduced, materials are greatly saved, equipment is saved, machining procedures are reduced, manufacturing cost is greatly reduced, and competitiveness is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the present invention;
FIG. 3 is a schematic structural view of the eccentric ratchet with a pin according to the present invention;
fig. 4 is a side view of fig. 3.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, 3 and 4: an iron-based powder die for manufacturing an eccentric ratchet wheel with a shifting pin comprises a female die 1, an upper punch 2, a lower punch 3, a lower punch 4 and a core rod 5, wherein a boss is arranged on the outer side surface of the female die 1, the middle of the female die 1 is provided with a die hole 6 penetrating through the female die 1, the upper punch 2 is arranged above the female die 1, and the output end of the upper punch 2 is arranged right above the die hole 6; the next punch 3 penetrates through the die hole 6, and the upper end surface of the next punch 3 is lower than the upper end surface of the die hole 6; the lower second punch 4 is arranged in the lower first punch 3 in a penetrating way, and the upper end surface of the lower second punch 4 is lower than the upper end surface of the lower first punch 3; the core rod 5 is arranged in the next punch 3 in a penetrating way, the core rod 5 and the next punch 4 are arranged in parallel, and the upper end surface of the core rod 5 is flush with the upper end surface of the die hole 6; a through groove 7 for the core rod 5 to slide is correspondingly formed in the upper punch 2; the inner wall of the die hole 6 is provided with a tooth socket corresponding to the ratchet part of the eccentric ratchet wheel, the inner wall of the die hole 6, the upper end surfaces of the next punch 3 and the lower punch 4 and the outer surface of the column body of the core rod 5 form a die cavity 19 for manufacturing the eccentric ratchet wheel in the female die 1, the next punch 3 is arranged in the die hole 6 in a sliding mode, the lower punch 4 is arranged in the next punch 3 in a sliding mode, and the core rod 5 is arranged in the next punch 3 in a sliding mode.
Before the compression molding, the upper end surface of the next punch 3 is higher than the upper end surface of the lower punch 4, the upper end surface of the next punch 3 is lower than the upper end opening surface of the die cavity 6 in the middle of the female die 1, the upper end surface of the core rod 5 is flush with the upper end opening surface of the die cavity 6 to form a cavity for containing iron-based powder, the upper punch 2 performs downward stamping, the iron-based powder is extruded on the outer circle surfaces of the upper punch 2, the inner wall of the die cavity 6, the next punch 3, the lower punch 4 and the core rod 5 to form an eccentric ratchet 19 with a pulling pin, after the compression molding is completed, the upper punch 2 moves upwards, the female die 1 moves downwards, after the ratchet part of the eccentric ratchet 19 which is subjected to compression molding is separated from the female die 1, the next punch 3 moves downwards, the pulling pin part of the eccentric ratchet 19 which is subjected to compression molding is separated from the next punch 3, and the upper punch.
As shown in fig. 2, in order to make the utility model capable of better connecting with a press, a metallurgical device for manufacturing an iron-based powder die with an eccentric ratchet wheel of a shifting pin, which comprises an upper punch fixing seat, a next punch fixing seat, a lower second punch fixing seat and a core rod fixing seat, wherein the upper punch fixing seat is fixedly connected with an upper punch 2, the next punch fixing seat is connected with a next punch 3 penetrating in a female die 1, the lower second punch fixing seat is connected with a lower second punch 4 penetrating in the next punch 3, the core rod fixing seat is connected with a core rod 5 penetrating in the next punch 3, the upper punch fixing seat comprises an upper punch seat I8, an upper punch seat II 9, an upper punch cover 14 and an upper punch seat cover 15, the upper punch seat I8 is connected with the top of the upper punch 2 through the upper punch cover 14, and the upper punch seat II 9 is connected with the top of the upper punch seat I8 through the upper; the next punch fixing seat comprises a next punch seat 10 and a next punch cover 16, and the next punch seat 10 is connected with the bottom of the next punch 3 through the next punch cover 16; the lower second punching fixed seat comprises a lower second punching seat 11 and a lower second punching cover 17, and the lower second punching seat 11 is connected with the bottom of the lower second punching 4 through the lower second punching cover 17; the mandrel fixing seat comprises a first mandrel seat 12, a second mandrel seat 13 and a mandrel gland 18, the second mandrel seat 13 is connected to the bottom of the first mandrel seat 12, the first mandrel seat 12 is connected with the bottom of the mandrel 5 through the mandrel gland 18, the next punch 3 is arranged in the die hole 6 in a sliding mode, the next punch seat 10 is connected with a first cylinder used for driving the next punch 3 to slide up and down in the female die 1, the next punch 4 is arranged in the next punch 3 in a sliding mode, the next punch seat 11 is connected with a second cylinder used for driving the next punch 4 to slide up and down in the next punch 3, the mandrel 5 is arranged in the next punch 3 in a sliding mode, and the first mandrel seat 12 is connected with a third cylinder used for driving the mandrel 5 to slide up and down in the next punch 3.
By adopting the structure, the device can be more conveniently connected with a press, and the punching force can be better provided when the eccentric ratchet wheel is pressed; the next punch 3 is arranged in the die hole 6 in a sliding manner; the size of the manufactured eccentric ratchet wheel is determined by arranging the position of the next punch 3 in a sliding manner, and the next punch 3 slides upwards to eject the processed eccentric ratchet wheel during demoulding, so that demoulding is facilitated; the lower second punch 4 is arranged in the lower first punch 3 in a sliding manner; the length of the manufactured shifting pin is determined by arranging the position of the lower second punch 4 in a sliding manner, and the lower second punch 4 slides upwards to eject the processed eccentric ratchet wheel during demoulding, so that demoulding is facilitated; the core rod 5 is arranged in the next punch 3 in a sliding way; before pressing, the top end of the core rod 5 extends out of the die hole 6, so that a spindle hole on the eccentric ratchet wheel is formed, and the core rod 5 slides downwards to be separated from the eccentric ratchet wheel during demoulding, so that demoulding is facilitated; the next punch 3 seat is connected with a first cylinder for driving the next punch 3 to slide up and down in the die hole 6; the first cylinder realizes up-and-down sliding of the next punch 3, and the next punch 3 drives the next punch 3 to slide up and down, so that processing and demoulding are facilitated, the size precision of the processed eccentric ratchet wheel is consistent, and the production efficiency is improved; the lower second punch 4 seat is connected with a second cylinder which is used for driving the lower second punch 4 to slide up and down in the lower first punch 3; the lower second punch 4 seat is driven by the second cylinder to slide up and down, and the lower second punch 4 seat drives the lower second punch 4 to slide up and down, so that the processing and demolding are facilitated, the dimensional accuracy of the processed eccentric ratchet wheel is consistent, and the production efficiency is improved; the mandrel 5 seat is connected with a third cylinder which is used for driving the mandrel 5 to slide up and down in the next punch 3; the first core rod 5 seat is vertically slid through the third air cylinder, and the first core rod 5 seat drives the first core rod 5 to vertically slide, so that the formation and demolding of a spindle hole in the eccentric ratchet wheel are facilitated, the dimensional accuracy of the machined eccentric ratchet wheel is consistent, and the production efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (9)
1. An iron-based powder die for manufacturing an eccentric ratchet wheel with a pulling pin, characterized in that: comprises a female die (1) with a boss on the outer side, an upper punch (2), a next punch (3), a next punch (4) and a core rod (5), wherein the middle part of the female die (1) is provided with a die hole (6) penetrating through the female die (1),
the upper punch (2) is arranged above the female die (1) and the output end of the upper punch (2) is arranged right above the die hole (6);
the next punch (3) penetrates through the die hole (6), and the upper end face of the next punch (3) is lower than the upper end face of the die hole (6);
the lower punch (4) penetrates through the lower punch (3), and the upper end surface of the lower punch (4) is lower than that of the lower punch (3);
the core rod (5) penetrates through the lower punch (3), the core rod (5) and the lower punch (4) are arranged in parallel, and the upper end surface of the core rod (5) is flush with the upper end surface of the die hole (6);
a through groove (7) used for the core rod (5) to slide is correspondingly formed in the upper punch (2);
tooth grooves corresponding to ratchet parts of the eccentric ratchet wheel are formed in the inner wall of the die hole (6), and a die cavity (19) for manufacturing the eccentric ratchet wheel is formed in the female die (1) through the inner wall of the die hole (6), the upper end faces of the next punch (3) and the next punch (4) and the outer surface of the cylinder of the core rod (5).
2. An iron-based powder die for making an eccentric ratchet with a deadbolt as claimed in claim 1, wherein: the next punch (3) is arranged in the die hole (6) in a sliding manner.
3. An iron-based powder die for making an eccentric ratchet with a deadbolt as claimed in claim 2, wherein: the lower second punch (4) is arranged in the lower first punch (3) in a sliding manner.
4. An iron-based powder die for making an eccentric ratchet with a deadbolt as claimed in claim 3, wherein: the core rod (5) is arranged in the next punch (3) in a sliding manner.
5. A metallurgical installation for installing the die of claim 1, wherein: the stamping die comprises an upper punch fixing seat, a next punch fixing seat, a lower second punch fixing seat and a mandrel fixing seat, wherein the upper punch fixing seat is fixedly connected with an upper punch (2), the next punch fixing seat is connected with a next punch (3) penetrating through the female die (1), the lower second punch fixing seat is connected with a lower second punch (4) penetrating through the next punch (3), and the mandrel fixing seat is connected with a mandrel (5) penetrating through the next punch (3).
6. Metallurgical installation according to claim 5, wherein: the upper punch fixing seat comprises a first upper punch seat (8), a second upper punch seat (9), an upper punch press cover (14) and an upper punch seat press cover (15), the first upper punch seat (8) is connected with the top of the upper punch (2) through the upper punch press cover (14), and the second upper punch seat (9) is connected with the top of the first upper punch seat (8) through the upper punch seat press cover (15); the next punch fixing seat comprises a next punch seat (10) and a next punch cover (16), and the next punch seat (10) is connected with the bottom of the next punch (3) through the next punch cover (16); the lower second punching fixing seat comprises a lower second punching seat (11) and a lower second punching cover (17), and the lower second punching seat (11) is connected with the bottom of the lower second punching (4) through the lower second punching cover (17); the mandrel fixing seat comprises a first mandrel seat (12), a second mandrel seat (13) and a mandrel gland (18), the second mandrel seat (13) is connected to the bottom of the first mandrel seat (12), and the first mandrel seat (12) is connected with the bottom of the mandrel (5) through the mandrel gland (18).
7. The metallurgical installation according to claim 6, wherein: the next punch (3) is arranged in the die hole (6) in a sliding mode, and a first cylinder used for driving the next punch (3) to slide up and down in the female die (1) is connected to the next punch seat (10).
8. Metallurgical installation according to claim 7, wherein: the lower second punch (4) is arranged in the lower punch (3) in a sliding manner, and the lower second punch seat (11) is connected with a second cylinder which is used for driving the lower second punch (4) to slide up and down in the lower punch (3).
9. Metallurgical installation according to claim 8, wherein: the core rod (5) is arranged in the next punch (3) in a sliding mode, and a third air cylinder used for driving the core rod (5) to slide up and down in the next punch (3) is connected to the core rod seat I (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272000.3U CN210059801U (en) | 2018-12-29 | 2018-12-29 | Iron-based powder die for manufacturing eccentric ratchet wheel with shifting pin and metallurgical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272000.3U CN210059801U (en) | 2018-12-29 | 2018-12-29 | Iron-based powder die for manufacturing eccentric ratchet wheel with shifting pin and metallurgical device |
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| Publication Number | Publication Date |
|---|---|
| CN210059801U true CN210059801U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822272000.3U Active CN210059801U (en) | 2018-12-29 | 2018-12-29 | Iron-based powder die for manufacturing eccentric ratchet wheel with shifting pin and metallurgical device |
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| CN (1) | CN210059801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118752840A (en) * | 2024-08-19 | 2024-10-11 | 佛山市创芯旗精密模具有限公司 | A die for pressing and forming inclined surface products |
-
2018
- 2018-12-29 CN CN201822272000.3U patent/CN210059801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118752840A (en) * | 2024-08-19 | 2024-10-11 | 佛山市创芯旗精密模具有限公司 | A die for pressing and forming inclined surface products |
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