CN115090766A - Mould stamping device convenient to drawing of patterns - Google Patents

Mould stamping device convenient to drawing of patterns Download PDF

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Publication number
CN115090766A
CN115090766A CN202210850656.7A CN202210850656A CN115090766A CN 115090766 A CN115090766 A CN 115090766A CN 202210850656 A CN202210850656 A CN 202210850656A CN 115090766 A CN115090766 A CN 115090766A
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CN
China
Prior art keywords
groove
fixedly connected
wall
die
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210850656.7A
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Chinese (zh)
Inventor
张忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Hengyi Electronics Co ltd
Original Assignee
Nantong Hengyi Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Hengyi Electronics Co ltd filed Critical Nantong Hengyi Electronics Co ltd
Priority to CN202210850656.7A priority Critical patent/CN115090766A/en
Publication of CN115090766A publication Critical patent/CN115090766A/en
Pending legal-status Critical Current

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    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02—Ejecting devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention discloses a die stamping device convenient for demoulding, which comprises a working frame, wherein the top of the working frame is fixedly connected with an electric push rod, the output end of the electric push rod penetrates through the working frame and extends into the working frame, the output end of the electric push rod is fixedly connected with a transverse plate, the bottom of the transverse plate is fixedly connected with an upper die, the left end and the right end of the inner wall of the working frame are fixedly connected with vertical plates, the bottom of the inner wall of the working frame is fixedly connected with the lower die, when the electric push rod punches a workpiece through the transverse plate and the upper die, the workpiece extrudes the arc-shaped plate along with the deformation of the lower die, the rolling ball is extruded after the arc-shaped plate moves downwards, the rolling ball rolls along the limiting plate through the four grooves arranged on the rolling ball, therefore, the rolling ball can roll along the limiting plate and then extrude the connecting frame until the arc-shaped plate is completely extruded into the groove, and the rolling ball type connecting device has the characteristic of high practicability.

Description

Mould stamping device convenient to drawing of patterns
Technical Field
The invention relates to the technical field of die stamping, in particular to a die stamping device convenient for demolding.
Background
The punching is a forming method which applies external force to plates, strips, pipes, profiles and the like by a press and a die to cause the plates, strips, pipes, profiles and the like to generate plastic deformation or separation so as to obtain workpieces with required shapes and sizes.
After the stamping is completed, the workpiece is extruded and stuck in the die, and the workpiece needs to be manually removed from the interior of the die, so that the efficiency of bending stamping is reduced, and therefore, a die stamping device convenient for demolding is provided.
Disclosure of Invention
The invention aims to provide a die stamping device convenient for demoulding, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a mould stamping device convenient to drawing of patterns, includes the workstation, workstation top fixedly connected with electric putter, the electric putter output runs through the workstation and extends to inside the workstation, electric putter output fixedly connected with diaphragm, diaphragm bottom fixedly connected with goes up the mould, the equal fixedly connected with riser in both ends about the workstation inner wall, workstation inner wall bottom fixedly connected with bed die.
According to the technical scheme, two first placing grooves are formed in the lower die, two second placing grooves are formed in the surfaces of the two first placing grooves, a first groove is formed in the middle of the lower die, and the first groove is communicated with the insides of the two first placing grooves;
the first placing groove is internally provided with a supporting mechanism, the outer surface of the supporting mechanism is provided with a moving mechanism, and the first groove is internally provided with an elastic mechanism.
According to the technical scheme, the supporting mechanism comprises a partition plate, a connecting block is fixedly connected to the middle of the surface of the partition plate, a sliding groove is formed in the connecting block, a fixing rod is arranged in the sliding groove, two ends of the fixing rod are fixedly connected with an inner wall of the placing groove, two fixing blocks are arranged at the lower end of the partition plate, and the two fixing blocks are fixedly connected with a groove wall of the placing groove.
According to the technical scheme, the partition plate is arranged in the first placing groove, and the outer surface of the partition plate and the bending surface of the inner wall of the lower die are located on the same horizontal plane.
According to the technical scheme, the outer surface of the fixing rod is in contact with the inner wall of the sliding groove, and the height of the sliding groove is larger than the diameter of the fixing rod.
According to the technical scheme, the moving mechanism comprises a fixing frame, the fixing frame penetrates through the second placing groove and extends to the outside of the second placing groove, the second groove is formed in the right end of the fixing frame, the elastic band is arranged inside the second groove, two ends of the elastic band are fixedly connected with the first groove wall of the placing groove, a clamping block is fixedly connected to the top of the fixing frame, the top of the clamping block is in contact with the second groove wall of the placing groove, a pull rope is fixedly connected to the surface of the clamping block, and one end, away from the clamping block, of the pull rope is fixedly connected with the surface of the fixing frame.
According to the technical scheme, the elastic mechanism comprises an arc-shaped plate, two grooves III are formed in the surface of the arc-shaped plate, two rolling balls are arranged at the lower end of the arc-shaped plate, a groove IV is formed in the middle of each rolling ball, two limiting plates are arranged at the lower end of the arc-shaped plate, the two limiting plates are fixedly connected with the first groove walls of the two placing grooves respectively, the tops of the two limiting plates are fixedly connected with connecting frames, and the two connecting frames are inclined upwards.
According to the technical scheme, the width of the third groove is smaller than the diameter of the rolling ball, and the outer surfaces of the two limiting plates and the connecting frame are respectively contacted with the groove walls of the two fourth grooves.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the first placing groove is formed in the lower die, the partition plate is arranged on the inner wall of the first placing groove, and the partition plate is supported by the fixing block under the limitation of the connecting block and the fixing rod which are arranged on the back surface of the partition plate, so that the normal punching effect can not be influenced by the partition plate in a shifting manner when a workpiece is punched.
2. According to the invention, when the electric push rod punches the workpiece through the transverse plate and the upper die, the workpiece extrudes the arc-shaped plate along with the deformation of the lower die, the rolling ball is extruded after the arc-shaped plate moves downwards, and the rolling ball rolls along the limiting plate through the notch four arranged on the rolling ball, so that the rolling ball can extrude the connecting frame after rolling along the limiting plate until the arc-shaped plate is completely extruded into the notch one.
3. According to the invention, after the upper die is driven to reset by the electric push rod, the connecting frame stops being extruded so as to reset, the rolling ball rolls outwards along the connecting frame, and the rolling ball drives the arc-shaped plate to move upwards along with the resetting of the connecting frame, so that the demolding treatment of a workpiece can be assisted, and the workpiece is prevented from being clamped in the lower die.
4. According to the invention, after the upper die is driven by the electric push rod to reset, the fixture block is moved out of the second placing groove, so that the fixture frame can be moved upwards to drive the partition plate to move upwards through the connecting block, and the partition plate can be assisted in the process of moving upwards to demould the workpiece.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is a schematic view of the construction of the lower mold of the present invention;
FIG. 3 is a cross-sectional view of the lower mold of the present invention;
FIG. 4 is a perspective view of the support mechanism, the movement mechanism and the spring mechanism of the present invention;
FIG. 5 is a schematic view of the support mechanism of the present invention;
FIG. 6 is a schematic view of the moving mechanism of the present invention;
fig. 7 is a schematic structural view of the elastic mechanism of the invention.
In the figure: the device comprises a working frame 1, a transverse plate 2, an electric push rod 3, an upper die 4, a vertical plate 5, a lower die 6, a first placing groove 61, a second placing groove 62, a first groove 63, a supporting mechanism 7, a partition plate 71, a fixing block 72, a connecting block 73, a sliding groove 74, a fixing rod 75, a moving mechanism 8, a fixing frame 81, a second groove 82, an elastic band 83, a clamping block 84, a pull rope 85, an elastic mechanism 9, an arc-shaped plate 91, a third groove 92, a limiting plate 93, a connecting frame 94, a rolling ball 95 and a fourth groove 96.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a mould stamping device convenient to drawing of patterns, includes the workstation 1, and 1 top fixedly connected with electric putter 3 of workstation, 3 outputs of electric putter run through the workstation 1 and extend to the workstation 1 inside, and 3 output fixedly connected with diaphragms 2 of electric putter, 2 bottom fixedly connected with of diaphragms go up mould 4, and the equal fixedly connected with riser 5 in both ends about 1 inner wall of workstation, 1 inner wall bottom fixedly connected with bed die 6 of workstation.
Two first placing grooves 61 are formed in the lower die 6, a second placing groove 62 is formed in the surfaces of the two first placing grooves 61, a first groove 63 is formed in the middle of the lower die 6, and the first groove 63 is communicated with the insides of the two first placing grooves 61;
the first placing groove 61 is internally provided with a supporting mechanism 7, the outer surface of the supporting mechanism 7 is provided with a moving mechanism 8, and the first slotting groove 63 is internally provided with an elastic mechanism 9.
The supporting mechanism 7 comprises a partition plate 71, the partition plate 71 is arranged inside the first placing groove 61, the outer surface of the partition plate 71 and the bending surface of the inner wall of the lower die 6 are located on the same horizontal plane, a connecting block 73 is fixedly connected to the middle of the surface of the partition plate 71, a sliding groove 74 is formed inside the connecting block 73, a fixing rod 75 is arranged inside the sliding groove 74, the first placing groove 61 is formed inside the lower die, the partition plate 71 is installed on the inner wall of the first placing groove 61, and the partition plate 71 is supported by the fixing block 72 under the limitation of the connecting block 73 and the fixing rod 75 which are arranged on the back of the partition plate 71, so that the partition plate 71 cannot deviate to influence the normal punching effect when a workpiece is punched;
the outer surface of dead lever 75 and the inner wall contact of spout 74, and the highly diameter that is greater than dead lever 75 of spout 74, dead lever 75 both ends all with a standing groove 61 inner wall fixed connection, baffle 71 lower extreme is provided with two fixed blocks 72, two fixed blocks 72 all with a standing groove 61 cell wall fixed connection.
The moving mechanism 8 comprises a fixing frame 81, the fixing frame 81 penetrates through the second placing groove 62 and extends to the outside of the second placing groove 62, a second groove 82 is formed in the right end of the fixing frame 81, through the arrangement of the fixing frame 81, two ends, extending into the first placing groove 61, of the fixing frame 81 are respectively in contact with the partition plate 71 and the connecting block 73, the stability of the partition plate 71 during normal stamping of a workpiece is further guaranteed, an elastic belt 83 is arranged inside the second groove 82, two ends of the elastic belt 83 are fixedly connected with the groove wall of the first placing groove 61, a fixture block 84 is fixedly connected to the top of the fixing frame 81, the top of the fixture block 84 is in contact with the groove wall of the second placing groove 62, a pull rope 85 is fixedly connected to the surface of the fixture block 84, and one end, far away from the fixture block 84, of the pull rope 85 is fixedly connected to the surface of the fixing frame 81;
after the upper die 4 is driven by the electric push rod 3 to reset, the fixture block 84 is moved out of the second placing groove 62, so that the fixture 81 can be moved upwards to drive the partition plate 71 to move upwards through the connecting block 73, and the advance demoulding treatment of the workpiece can be assisted in the process that the partition plate 71 moves upwards;
under the restriction of the sliding groove 74 formed in the connecting block 73, and the fixing rod 75 is arranged in the sliding groove 74, so that the fixing frame 81 can drive the connecting blocks 73 and 71 to deflect under the restriction of the fixing rod 75 in the process of moving the fixing frame 81 upwards, and the demoulding effect of the workpiece can be better.
The elastic mechanism 9 comprises an arc-shaped plate 91, two three grooves 92 are formed in the surface of the arc-shaped plate 91, two rolling balls 95 are arranged at the lower end of the arc-shaped plate 91, a four groove 96 is formed in the middle of each rolling ball 95, two limiting plates 93 are arranged at the lower end of the arc-shaped plate 91, the two limiting plates 93 are respectively and fixedly connected with the groove walls of the two first groove 61, connecting frames 94 are respectively and fixedly connected to the tops of the two limiting plates 93, the two connecting frames 94 are respectively and obliquely arranged upwards, the width of the three grooves 92 is smaller than the diameter of each rolling ball 95, the outer surfaces of the two limiting plates 93 and the connecting frames 94 are respectively contacted with the groove walls of the two four groove 96, when the electric push rod 3 punches the workpiece through the transverse plate 2 and the upper die 4, the workpiece extrudes the arc-shaped plate 91 along with deformation of the lower die, the rolling balls 95 are extruded after the arc-shaped plate 91 moves downwards, so that the rolling balls 95 roll along the limiting plates 93 through the four groove 96 formed in the self-shaped plate 91, therefore, the rolling ball 95 rolls along the limiting plate 93 and then extrudes the connecting frame 94 until the arc-shaped plate 91 is completely extruded into the first open groove 63;
after the upper die 4 is driven to reset by the electric push rod 3, the connecting frame 94 stops being extruded to reset so that the rolling ball 95 rolls along the connecting frame 94 to the outer side, and the rolling ball 95 drives the arc-shaped plate 91 to move upwards along with the resetting process of the connecting frame 94, so that the workpiece can be subjected to demolding treatment in an auxiliary manner, and the workpiece is prevented from being clamped in the lower die 6.
The working principle is as follows: when the stamping die is used, the first placing groove 61 is formed in the lower die, the partition plate 71 is arranged on the inner wall of the first placing groove 61, the partition plate 71 is limited by the connecting block 73 and the fixing rod 75 which are arranged on the back of the partition plate, and the fixing block 72 is used for supporting the partition plate, so that the partition plate 71 cannot deviate to influence the normal stamping effect when a workpiece is stamped;
meanwhile, by arranging the fixing frame 81, two ends of the fixing frame 81 extending into the first placing groove 61 are respectively contacted with the partition plate 71 and the connecting block 73, so that the stability of the partition plate 71 during normal stamping of a workpiece is further ensured;
when the electric push rod 3 punches a workpiece through the transverse plate 2 and the upper die 4, the workpiece extrudes the arc-shaped plate 91 along with the deformation of the lower die, the arc-shaped plate 91 extrudes the rolling ball 95 after moving downwards, and the rolling ball 95 rolls along the limiting plate 93 through the four grooves 96 arranged on the rolling ball 95, so that the rolling ball 95 rolls along the limiting plate 93 and then extrudes the connecting frame 94 until the arc-shaped plate 91 is completely extruded into the first groove 63;
after the upper die 4 is driven to reset by the electric push rod 3, the connecting frame 94 stops being extruded so as to reset, the rolling ball 95 rolls to the outer side along the connecting frame 94, and the rolling ball 95 drives the arc-shaped plate 91 to move upwards along with the resetting process of the connecting frame 94, so that the demoulding treatment of the workpiece can be assisted, and the workpiece is prevented from being clamped in the lower die 6;
after the upper die 4 is driven by the electric push rod 3 to reset, the fixture block 84 is moved out of the second placing groove 62, so that the fixture 81 can be moved upwards to drive the partition plate 71 to move upwards through the connecting block 73, and the advance demoulding treatment of the workpiece can be assisted in the process that the partition plate 71 moves upwards;
under the restriction of the sliding groove 74 formed in the connecting block 73, and the fixing rod 75 is arranged in the sliding groove 74, so that the fixing frame 81 can drive the connecting blocks 73 and 71 to deflect under the restriction of the fixing rod 75 in the process of moving the fixing frame 81 upwards, and the demoulding effect of the workpiece can be better.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a mould stamping device convenient to drawing of patterns, includes work frame (1), its characterized in that: the improved electric drill is characterized in that an electric push rod (3) is fixedly connected to the top of the working frame (1), the output end of the electric push rod (3) penetrates through the working frame (1) and extends to the inside of the working frame (1), a transverse plate (2) is fixedly connected to the output end of the electric push rod (3), an upper die (4) is fixedly connected to the bottom of the transverse plate (2), a vertical plate (5) is fixedly connected to the left end and the right end of the inner wall of the working frame (1), and a lower die (6) is fixedly connected to the bottom of the inner wall of the working frame (1).
2. The die stamping apparatus for facilitating ejection as claimed in claim 1, wherein: two first placing grooves (61) are formed in the lower die (6), second placing grooves (62) are formed in the surfaces of the first placing grooves (61), a first groove (63) is formed in the middle of the lower die (6), and the first groove (63) is communicated with the insides of the first placing grooves (61);
the supporting mechanism (7) is arranged inside the first placing groove (61), the moving mechanism (8) is arranged on the outer surface of the supporting mechanism (7), and the elastic mechanism (9) is arranged inside the first slotting (63).
3. The die stamping apparatus for facilitating ejection as claimed in claim 2, wherein: the supporting mechanism (7) comprises a partition board (71), a connecting block (73) is fixedly connected to the middle of the surface of the partition board (71), a sliding groove (74) is formed in the connecting block (73), a fixing rod (75) is arranged in the sliding groove (74), two ends of the fixing rod (75) are fixedly connected with the inner wall of the first placing groove (61), two fixing blocks (72) are arranged at the lower end of the partition board (71), and the two fixing blocks (72) are fixedly connected with the groove wall of the first placing groove (61).
4. A die stamping apparatus for facilitating stripping as claimed in claim 3, wherein: the partition plate (71) is arranged inside the first placing groove (61), and the outer surface of the partition plate (71) and the bending surface of the inner wall of the lower die (6) are located on the same horizontal plane.
5. The die stamping apparatus for facilitating ejection as claimed in claim 4, wherein: the outer surface of the fixing rod (75) is in contact with the inner wall of the sliding groove (74), and the height of the sliding groove (74) is larger than the diameter of the fixing rod (75).
6. A die stamping apparatus for facilitating stripping as claimed in claim 3, wherein: the moving mechanism (8) comprises a fixing frame (81), the fixing frame (81) penetrates through the second placing groove (62) and extends to the outside of the second placing groove (62), a second groove (82) is formed in the right end of the fixing frame (81), an elastic band (83) is arranged inside the second groove (82), two ends of the elastic band (83) are fixedly connected with the groove wall of the first placing groove (61), a clamping block (84) is fixedly connected to the top of the fixing frame (81), the top of the clamping block (84) is in contact with the groove wall of the second placing groove (62), a pull rope (85) is fixedly connected to the surface of the clamping block (84), and one end, far away from the clamping block (84), of the pull rope (85) is fixedly connected with the surface of the fixing frame (81).
7. The die stamping device facilitating demolding of claim 2, wherein: elasticity mechanism (9) include arc (91), two fluting three (92) have been seted up on arc (91) surface, arc (91) lower extreme is provided with two spin (95), two fluting four (96) have all been seted up in the middle of spin (95), arc (91) lower extreme is provided with two limiting plate (93), two limiting plate (93) respectively with two standing groove (61) cell wall fixed connection, two the equal fixedly connected with link (94) in limiting plate (93) top, and two link (94) are ascending slope setting.
8. The die stamping apparatus for facilitating ejection as claimed in claim 7, wherein: the width of the third slot (92) is smaller than the diameter of the rolling ball (95), and the outer surfaces of the two limiting plates (93) and the connecting frame (94) are respectively contacted with the groove walls of the two fourth slots (96).
CN202210850656.7A 2022-07-19 2022-07-19 Mould stamping device convenient to drawing of patterns Pending CN115090766A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210850656.7A CN115090766A (en) 2022-07-19 2022-07-19 Mould stamping device convenient to drawing of patterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210850656.7A CN115090766A (en) 2022-07-19 2022-07-19 Mould stamping device convenient to drawing of patterns

Publications (1)

Publication Number Publication Date
CN115090766A true CN115090766A (en) 2022-09-23

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Application Number Title Priority Date Filing Date
CN202210850656.7A Pending CN115090766A (en) 2022-07-19 2022-07-19 Mould stamping device convenient to drawing of patterns

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116021018A (en) * 2023-02-01 2023-04-28 河北亚都管道装备集团有限公司 Steel reducing elbow hot-press forming die
CN116117054A (en) * 2022-11-18 2023-05-16 江苏倍嘉力机械科技有限公司 Forging device for automobile aluminum alloy fittings

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116117054A (en) * 2022-11-18 2023-05-16 江苏倍嘉力机械科技有限公司 Forging device for automobile aluminum alloy fittings
CN116117054B (en) * 2022-11-18 2024-01-30 江苏倍嘉力机械科技有限公司 Forging device for automobile aluminum alloy fittings
CN116021018A (en) * 2023-02-01 2023-04-28 河北亚都管道装备集团有限公司 Steel reducing elbow hot-press forming die
CN116021018B (en) * 2023-02-01 2023-07-04 河北亚都管道装备集团有限公司 Steel reducing elbow hot-press forming die

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