CN114273594A - Cold heading machine main die box locking structure - Google Patents
Cold heading machine main die box locking structure Download PDFInfo
- Publication number
- CN114273594A CN114273594A CN202111352811.4A CN202111352811A CN114273594A CN 114273594 A CN114273594 A CN 114273594A CN 202111352811 A CN202111352811 A CN 202111352811A CN 114273594 A CN114273594 A CN 114273594A
- Authority
- CN
- China
- Prior art keywords
- die box
- main
- main die
- cold header
- box
- 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
Links
- 238000003825 pressing Methods 0.000 claims description 44
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 210000003734 kidney Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Forging (AREA)
Abstract
The invention discloses a locking structure of a main die box of a cold header, which comprises a cold header body and the main die box, wherein a stepped die box fixing groove is formed in the cold header body, the main die box is installed in the die box fixing groove, and the main die box is positioned and locked through a side positioning base plate, a first clamping assembly, a lower positioning base plate and a second clamping assembly. This cold heading machine owner's mould case locking structure, the installation step is simple, need not artifically pass through bolt locking owner's mould case, and it is more convenient to operate, does not do benefit to and improves work efficiency, simultaneously, need not dismantle locking structure when dismantling owner's mould case, once installs repeatedly usable.
Description
Technical Field
The invention relates to the technical field of cold headers, in particular to a locking structure of a main die box of a cold header.
Background
The multi-station cold header is special equipment which takes a pier as a main part and is specially used for producing fasteners such as nuts and bolts in batches. The cold header equipment is internally provided with a main die box for installing a cold header main die and matching with a die to cold extrude a product. Because the cold heading machine will change new and old mould or change different product model moulds in process of production, so the change frequency of main mould case is very high.
The main mould box of the cold header in the prior art is installed in a screw fixing mode, after the position of the mould box is well positioned, the main mould box is locked to a host machine through screws, the steps of installing and disassembling the mould box are complex, the precision is poor, the equipment is long in downtime, and the production efficiency is influenced. In addition, the mode not only needs to process a large number of screw holes on the main body, which consumes a large number of working hours, but also the screw holes are difficult to process, which also has bad influence on the strength of the main body, and the mould box is inconvenient to replace later.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a locking structure of a main die box of a cold header.
The invention provides a locking structure of a main die box of a cold header, which comprises a cold header body and the main die box; further comprising:
the side positioning base plate is fixedly arranged on the surface of the cold header body matched with one side surface of the main die box and used for positioning one side surface of the main die box;
the first clamping assembly is arranged on the cold header body and positioned on the other side face of the main die box, the first clamping assembly comprises a transverse inclined pressing block, a guide rod, a pull rod and a first locking hydraulic rod, the guide rod is fixedly arranged on the cold header body and is perpendicular to the front face of the main die box, the transverse inclined pressing block is slidably arranged on the guide rod and is connected with the first locking hydraulic rod through the pull rod, the first locking hydraulic rod can drive the transverse inclined pressing block to slide along the guide rod through the pull rod, and when the transverse inclined pressing block slides backwards from the front face of the main die box, the transverse inclined pressing block is matched with the side face of the main die box through an inclined plane to lock the main die box backwards and to lock one side of the main die box;
the lower positioning base plate is fixedly arranged on the surface of the cold header body matched with the bottom surface of the main mold box and used for positioning the bottom surface of the main mold box;
the second clamping assembly is arranged in the mounting groove between the bottom of the main die box and the cold header body and comprises a fixed seat, a guide screw rod, a vertical inclined pressing block, a positioning inclined block and a second locking hydraulic rod, the guide screw rod penetrates through the main die box from the front side of the main die box to the back and is fixed on the cold header body, the fixed seat, the vertical inclined pressing block and the positioning inclined block are sequentially sleeved on the guide screw rod from the front end of the guide screw rod to the back, and the front end of the guide screw is provided with a positioning nut, the vertical inclined pressing block is fixedly connected with the second locking hydraulic rod, and the second locking hydraulic rod is fixedly arranged on the machine body, the vertical inclined pressing block is provided with a waist-shaped hole which can be movably matched with the guide screw rod, the second locking hydraulic rod can drive the vertical inclined pressing block to move up and down, when the vertical inclined pressing block moves downwards, the vertical inclined pressing block and the positioning inclined block are matched through the inclined plane to enable the positioning inclined block to slide backwards to lock the main mold box.
Preferably, the second guide rod is further sleeved with a return spring, and the return spring is located between the rear end of the positioning inclined block and the cold header body.
Preferably, the bottom of the rear end of the positioning inclined block is a right-angle surface, the bottom of the main mold box is provided with a step part, and the step part can be matched with the right-angle surface of the rear end of the positioning inclined block when the positioning inclined block locks the main mold box backwards.
Preferably, the fixing seat is fixedly connected with the cold header body through a bolt.
Preferably, the second clamping assemblies are spaced apart along the length of the front face of the main mould box.
Preferably, the first locking hydraulic rod is fixed at the rear part of the cold header body, and the pull rod is perpendicular to the front surface of the main mold box and penetrates through the cold header body to be connected with the first locking hydraulic rod.
Preferably, the bottom of the main mold box is provided with a notch groove matched with the guide screw.
Has the advantages that:
according to the locking structure of the main die box of the cold header, the bottom surface and one side surface of the main die box are positioned through the lower positioning base plate and the side positioning base plate, and the main die box is locked in the horizontal direction and the vertical direction through the first clamping assembly and the second clamping assembly. This locking structure installation step is simple, need not artifically pass through main moulding box of bolt locking, and it is more convenient to operate, does benefit to and improves work efficiency, simultaneously, need not dismantle locking structure when dismantling main moulding box, once installs repeatedly usable.
Drawings
FIG. 1 is a perspective view from above of the main mold box of the cold header in the embodiment;
FIG. 2 is a perspective view from the front view of the main mold box of the cold header in the embodiment;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
fig. 4 is a partial side sectional view of the main die box of the cold header in the embodiment.
Detailed Description
Referring to fig. 1-4, fig. 1 is a perspective view of a main mold box of a cold header of the present embodiment from a top view, fig. 2 is a perspective view of a main mold box of the cold header of the present embodiment from a front view, fig. 3 is a cross-sectional view taken at a-a in fig. 2, and fig. 4 is a partial cross-sectional view of the main mold box of the cold header of the present embodiment from a side view. The locking structure of the main die box of the cold header comprises a cold header body 1 and the main die box 2, wherein a stepped die box fixing groove 11 is formed in the cold header body 1, the main die box 2 is installed in the die box fixing groove 11, and the main die box 2 is positioned and locked through a side positioning base plate 3, a first clamping assembly 4, a lower positioning base plate 5 and a second clamping assembly 6.
Referring to fig. 2, the side positioning pad plate 3 is fixedly installed on the left sidewall of the mold box fixing groove 11, that is, the side positioning pad plate 3 is fixedly installed on the surface of the cold heading machine body 1, which is matched with one side surface of the main mold box 2. The side positioning backing plate 3 is used for positioning one side surface of the main mould box 2, and the thickness of the side positioning backing plate 3 can be specifically designed according to the installation position of the main mould box 2. The first clamping assembly 4 is installed on the cold header body 1 and is positioned at the other side surface of the main mold box 2, namely the first clamping assembly 4 is positioned at the other side surface of the main mold box 2.
As shown in fig. 1 to 3, specifically, the first clamping assembly 4 includes a lateral ramp block 41, a guide rod 42, a pull rod 43, and a first locking hydraulic rod 44. Two guide rods 42 are fixedly arranged on the cold header body 1 and are perpendicular to the front surface of the main die box 2, the transverse inclined pressing block 41 is slidably arranged on the guide rods 42, and the two guide rods 42 are respectively positioned at the upper end and the lower end of the transverse inclined pressing block 41. The transverse inclined pressing block 41 is connected with a first locking hydraulic rod 44 through a pull rod 43, specifically, the first locking hydraulic rod 44 is fixed at the rear part of the cold header body 1, the pull rod 43 is perpendicular to the front surface of the main mold box 2 and penetrates through the cold header body 1 to be connected with the first locking hydraulic rod 44, and the first locking hydraulic rod 44 can drive the transverse inclined pressing block 41 to slide forwards or backwards along the guide rod 42 through the pull rod 43. When the transverse inclined pressing block 41 slides backwards from the front of the main mould box 2, the transverse inclined pressing block 41 is matched with the side surface of the main mould box 2 through an inclined surface to lock the main mould box 2 backwards and to lock one side of the main mould box 2.
According to the side positioning backing plate 3 and the first clamping component 4, when the main mould box 2 is installed, one side surface of the main mould box 2 is attached to the side positioning backing plate 3, and one side positioning of the main mould box 2 is completed. Subsequently, the first locking hydraulic rod 44 of the first clamping assembly 4 is actuated, so that the first locking hydraulic rod 44 pulls the transverse ramp block 41 to move backwards through the pull rod 43, and the inclined surface of the transverse ramp block 41 applies a backward and one-side locking pressure to the main mold box 2, so that the side surface and the back surface of the main mold box 2 can be simultaneously positioned and locked.
As shown in fig. 2 and 4, the bottom surface of the mold box fixing groove 11 in this embodiment is further provided with a lower positioning shim plate 5, that is, the lower positioning shim plate 5 is fixedly provided on the surface of the cold heading machine body 1, which is matched with the bottom surface of the main mold box 2. The lower positioning base plate 5 is used for positioning the bottom surface of the main mould box 2, the thickness of the lower positioning base plate 5 can be designed according to the installation position of the main mould box 2, the main mould box 2 is placed on the lower positioning base plate 5, and the position level of the main mould box 2 can be guaranteed. Still be equipped with mounting groove 12 between master die case 2 bottom and cold heading machine fuselage 1, mounting groove 12 can be formed at master die case 2 bottom surface and die case fixed slot 11 bottom surface cutting process through the milling cutter, installs second clamping component 6 in mounting groove 12. It will be appreciated by those skilled in the art that the second clamping assembly 6 is used to clamp the main mould box 2 so that the rear of the mounting slot 12 in the bottom of the main mould box 2 cannot be milled through and a portion needs to be left for the second clamping assembly 6 to grip. In addition, in order to ensure a good clamping effect, the second clamping components 6 are distributed at intervals along the length direction of the front surface of the main mold box 2, namely, the mounting grooves 12 are also arranged at intervals.
Referring to fig. 4, in particular, the second clamping assembly 6 includes a fixing base 61, a lead screw 62, a vertical inclined pressing block 63, a positioning inclined block 64, and a second locking hydraulic rod 65. The guide screw 62 passes through the main mold box 2 from the front to the back of the main mold box 2 and is fixed to the cold heading machine body 1, and in order to prevent the main mold box 2 from interfering with the guide screw 62 when the main mold box 2 is disassembled and assembled, a notch 21 which is matched with the guide screw 62 is further provided at the bottom of the main mold box 2. The fixed seat 61, the vertical inclined pressing block 63 and the positioning inclined block 64 are sequentially sleeved on the guide screw 62 from the front end of the guide screw 62 to the back, so that the fixed seat 61, the vertical inclined pressing block 63 and the positioning inclined block 64 are positioned on the front face of the bottom of the main mold box 2. A positioning nut 66 is also mounted at the front end of the guide screw 62, and in addition, the fixed seat 61 is fixedly connected with the cold header body 1 through a bolt. The vertical inclined pressing block 63 is fixedly connected with the second locking hydraulic rod 65, the second locking hydraulic rod 65 is fixedly installed on the machine body, a waist-shaped hole which can be movably matched with the guide screw rod 62 is formed in the vertical inclined pressing block 63, and the second locking hydraulic rod 65 can drive the vertical inclined pressing block 63 to move upwards or downwards. When the vertical inclined pressing block 63 moves downwards, the vertical inclined pressing block 63 and the positioning inclined block 64 are matched through an inclined plane, so that the positioning inclined block 64 slides backwards to lock the main mold box 2.
According to the lower positioning mat 5 and the second clamping assembly 6, when the main mold box 2 is installed, the main mold box 2 is placed on the lower positioning mat 5 with the bottom of the main mold box 2 located behind the positioning swash block 64. Then, the second locking hydraulic rod 65 is started to pull the vertical inclined pressing block 63 downwards to move downwards, in the downwards moving process of the vertical inclined pressing block 63, the front end face of the vertical inclined pressing block 63 is attached to the fixing seat 61, the fixing seat 61 and the positioning nut 66 play a role in limiting the vertical inclined pressing block 63, meanwhile, the rear end face of the vertical inclined pressing block 63 is matched with the positioning inclined block 64 through an inclined plane, the inclined plane provides downward and backward thrust, and the positioning inclined block 64 moves backwards to lock the main mold box 2.
In a further embodiment, the second guide rod 42 is further sleeved with a return spring 67, and the return spring 67 is located between the rear end of the positioning sloping block 64 and the cold header body 1. Reset spring 67 is pressure spring, when dismantling main mould case 2, need relieve the locking with second clamping component 6, at this moment, promotes vertical sloping block 63 through second locking hydraulic stem 65 and shifts up, and location sloping block 64 loses the pressure of vertical sloping block 63, under reset spring 67's elastic force effect, can promote the synchronous forward movement of location sloping block 64 to unclamp main mould case 2, make main mould case 2 be convenient for pull down, simultaneously, also conveniently install main mould case 2 once more.
In a further embodiment, the bottom of the rear end of the positioning swash block 64 is a right-angled surface, the bottom of the main mold box 2 is provided with a step 22, and the step 22 can be matched with the right-angled surface of the rear end of the positioning swash block 64 when the positioning swash block 64 locks the main mold box 2 backwards. The locking effect of the positioning inclined block 64 can be enhanced through the matching of the step part 22 and the positioning inclined block 64, and the main mould box 2 can be further prevented from tilting upwards.
In conclusion, according to the locking structure of the main die box of the cold header, the locking and the unlocking of the main die box 2 can be conveniently and rapidly realized, the operation is simple, the locking and positioning precision is high, and the improvement of the working efficiency is facilitated. Meanwhile, the locking structure is simple to install, more threaded holes do not need to be processed on the cold header body 1, the locking structure does not need to be disassembled when the main die box 2 is disassembled, and the locking structure can be repeatedly used in one-time installation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A locking structure of a main die box of a cold header comprises a cold header body (1) and a main die box (2); it is characterized by also comprising:
the side positioning base plate (3) is fixedly arranged on the surface of the cold header body (1) matched with one side surface of the main die box (2) and is used for positioning one side surface of the main die box (2);
the first clamping assembly (4) is installed on the cold header body (1) and located on the other side face of the main die box (2), the first clamping assembly (4) comprises a transverse inclined pressing block (41), a guide rod (42), a pull rod (43) and a first locking hydraulic rod (44), the guide rod (42) is fixedly installed on the cold header body (1) and perpendicular to the front face of the main die box (2), the transverse inclined pressing block (41) is installed on the guide rod (42) in a sliding mode, the transverse inclined pressing block (41) is connected with the first locking hydraulic rod (44) through the pull rod (43), the first locking hydraulic rod (44) can drive the transverse inclined pressing block (41) to slide along the guide rod (42) through the pull rod (43), when the transverse inclined pressing block (41) slides backwards from the front surface of the main mould box (2), the transverse inclined pressing block (41) is matched with the side surface of the main mould box (2) through an inclined plane to lock the main mould box (2) backwards and at one side;
the lower positioning base plate (5) is fixedly arranged on the surface of the cold header body (1) matched with the bottom surface of the main die box (2) and is used for positioning the bottom surface of the main die box (2);
the second clamping assembly (6) is arranged in a mounting groove (12) between the bottom of the main die box (2) and the cold header body (1), the second clamping assembly (6) comprises a fixed seat (61), a guide screw rod (62), a vertical inclined pressing block (63), a positioning inclined block (64) and a second locking hydraulic rod (65), the guide screw rod (62) penetrates through the main die box (2) from the front side of the main die box (2) to the back side and is fixed on the cold header body (1), the fixed seat (61), the vertical inclined pressing block (63) and the positioning inclined block (64) are sequentially sleeved on the guide screw rod (62) from the front end of the guide screw rod (62) to the back side, a positioning nut (66) is arranged at the front end of the guide screw rod (62), the vertical inclined pressing block (63) is fixedly connected with the second locking hydraulic rod (65), the second locking hydraulic rod (65) is fixedly arranged on the main die body, a kidney hole capable of being movably matched with the guide screw rod (62) is arranged on the vertical inclined pressing block (63), the second locking hydraulic rod (65) can drive the vertical inclined pressing block (63) to move up and down, and when the vertical inclined pressing block (63) moves down, the vertical inclined pressing block (63) and the positioning inclined block (64) are matched through an inclined plane to enable the positioning inclined block (64) to slide backwards to lock the main mold box (2).
2. The locking structure of the main die box of the cold header as claimed in claim 1, wherein the second guide rod (42) is further sleeved with a return spring (67), and the return spring (67) is located between the rear end of the positioning sloping block (64) and the cold header body (1).
3. The locking structure of the main die box of the cold header as claimed in claim 2, wherein the bottom of the rear end of the positioning inclined block (64) is a right-angled surface, the bottom of the main die box (2) is provided with a step part (22), and the step part (22) can be matched with the right-angled surface of the rear end of the positioning inclined block (64) when the positioning inclined block (64) locks the main die box (2) backwards.
4. The locking structure of the main die box of the cold header as claimed in claim 1, wherein the fixed seat (61) is fixedly connected with the cold header body (1) through bolts.
5. The main mold box locking structure of a cold header as claimed in claim 1, wherein the second clamping assemblies (6) are spaced apart along the length direction of the front surface of the main mold box (2).
6. The locking structure of the main die box of the cold header as claimed in claim 1, wherein the first locking hydraulic rod (44) is fixed at the rear part of the cold header body (1), and the pull rod (43) is perpendicular to the front surface of the main die box (2) and passes through the cold header body (1) to be connected with the first locking hydraulic rod (44).
7. A main housing locking structure of a cold heading machine according to claim 1, wherein the bottom of the main housing (2) is provided with a notch groove (21) for engaging with the lead screw (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111352811.4A CN114273594A (en) | 2021-11-16 | 2021-11-16 | Cold heading machine main die box locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111352811.4A CN114273594A (en) | 2021-11-16 | 2021-11-16 | Cold heading machine main die box locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114273594A true CN114273594A (en) | 2022-04-05 |
Family
ID=80869173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111352811.4A Pending CN114273594A (en) | 2021-11-16 | 2021-11-16 | Cold heading machine main die box locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114273594A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081555U (en) * | 1992-12-24 | 1996-11-05 | 愛知製鋼株式会社 | Mold changer |
| JP2004098330A (en) * | 2002-09-05 | 2004-04-02 | Incs Inc | Mold attachment mechanism |
| CN201257490Y (en) * | 2008-08-22 | 2009-06-17 | 常州精棱铸锻有限公司 | Mould location structure of hot mould forging machine |
| CN103447449A (en) * | 2013-09-11 | 2013-12-18 | 郑州机械研究所 | Mechanism suitable for off-line quick die change of multistage cold former |
| CN203751215U (en) * | 2014-01-06 | 2014-08-06 | 宁波腾工精密机械制造有限公司 | Split fixed die body structure of cold heading machine |
| CN204093924U (en) * | 2014-09-10 | 2015-01-14 | 台州市良曜成套设备有限公司 | The fixing and locking structure of mould is blocked in a kind of bar material cutter |
| CN209502869U (en) * | 2019-01-21 | 2019-10-18 | 济南顺达钢球设备有限公司 | A kind of cold headers punch die adjustment assembly |
| CN210792225U (en) * | 2019-08-07 | 2020-06-19 | 武汉重工铸锻有限责任公司 | Pull-down wedge type hydraulic clamping device of die |
| CN112139425A (en) * | 2020-09-11 | 2020-12-29 | 嘉兴博睿创业服务有限公司 | Cold heading forming machine with screw automatic adjustment locking mechanical system |
| CN216680036U (en) * | 2021-11-16 | 2022-06-07 | 安徽阳天机械工业有限公司 | Main die box locking structure of multi-station cold header |
-
2021
- 2021-11-16 CN CN202111352811.4A patent/CN114273594A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081555U (en) * | 1992-12-24 | 1996-11-05 | 愛知製鋼株式会社 | Mold changer |
| JP2004098330A (en) * | 2002-09-05 | 2004-04-02 | Incs Inc | Mold attachment mechanism |
| CN201257490Y (en) * | 2008-08-22 | 2009-06-17 | 常州精棱铸锻有限公司 | Mould location structure of hot mould forging machine |
| CN103447449A (en) * | 2013-09-11 | 2013-12-18 | 郑州机械研究所 | Mechanism suitable for off-line quick die change of multistage cold former |
| CN203751215U (en) * | 2014-01-06 | 2014-08-06 | 宁波腾工精密机械制造有限公司 | Split fixed die body structure of cold heading machine |
| CN204093924U (en) * | 2014-09-10 | 2015-01-14 | 台州市良曜成套设备有限公司 | The fixing and locking structure of mould is blocked in a kind of bar material cutter |
| CN209502869U (en) * | 2019-01-21 | 2019-10-18 | 济南顺达钢球设备有限公司 | A kind of cold headers punch die adjustment assembly |
| CN210792225U (en) * | 2019-08-07 | 2020-06-19 | 武汉重工铸锻有限责任公司 | Pull-down wedge type hydraulic clamping device of die |
| CN112139425A (en) * | 2020-09-11 | 2020-12-29 | 嘉兴博睿创业服务有限公司 | Cold heading forming machine with screw automatic adjustment locking mechanical system |
| CN216680036U (en) * | 2021-11-16 | 2022-06-07 | 安徽阳天机械工业有限公司 | Main die box locking structure of multi-station cold header |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103480734B (en) | Flattening table die for steel pipe surface flattening platform | |
| CN110216192B (en) | Stamping device capable of quickly replacing dies | |
| CN216680036U (en) | Main die box locking structure of multi-station cold header | |
| CN203448547U (en) | Platform stamping die for platform stamping on surface of steel tube | |
| CN112893580A (en) | Stamping device for machining convenient to change mould | |
| CN114273594A (en) | Cold heading machine main die box locking structure | |
| CN110039724B (en) | Injection mold for wiring terminal | |
| CN213856568U (en) | Quick and efficient edge trimmer with positioning structure | |
| CN111633172B (en) | Forging forming die for frame type metal forging and forging forming method | |
| CN111283924B (en) | Demoulding tool and demoulding method for multi-wall box section structure composite part | |
| CN212285493U (en) | Automobile skylight guide rail reverse-drawing trimming die | |
| CN212370989U (en) | Quick-dismantling stamping die | |
| CN212168712U (en) | Fast switching mold | |
| CN210617051U (en) | Mounting structure of plastic mould | |
| CN210817314U (en) | Casting mould with thimble drive mechanism | |
| CN209969328U (en) | High-precision long circular hole punching die for supporting cross beam | |
| CN211991273U (en) | Through hole burr removing device for pull-off block production | |
| CN220883216U (en) | Height-adjustable rapid prototyping die | |
| CN111571942A (en) | Mold structure capable of quickly replacing insert | |
| CN221269431U (en) | Aluminum product cut-out press | |
| CN217889299U (en) | Die positioning tool for metal product | |
| CN219505329U (en) | Forming die for preassembled threaded hardware | |
| CN214056144U (en) | Middle die mounting structure applied to four-column hot press | |
| CN221019845U (en) | Truss type special-shaped piece clamping device | |
| CN220387656U (en) | Stamping die convenient and fast mounting and dismounting structure for ironwork production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |