CN210146780U - Die opening and closing device of stamping die - Google Patents
Die opening and closing device of stamping die Download PDFInfo
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- CN210146780U CN210146780U CN201920493545.9U CN201920493545U CN210146780U CN 210146780 U CN210146780 U CN 210146780U CN 201920493545 U CN201920493545 U CN 201920493545U CN 210146780 U CN210146780 U CN 210146780U
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Abstract
The utility model provides a stamping die mold opening and closing device, include: the device comprises an upper die base, a lower die base, a positioning guide base, a lifting hook, an outer guide sleeve, an outer guide pillar, a positioning guide head assembly and a hydraulic jack; outer guide sleeves are arranged at two ends of the bottom of the upper die base, and positioning guide seats are symmetrically arranged between the outer guide sleeves; the lifting hook is fixedly arranged at the side positions of the upper die base and the lower die base through screws, the other end of the lifting hook is connected with a lifting chain, and the upper die base and the lower die base are lifted through a traveling crane; the upper die base is provided with a screw hole for fixedly connecting the lifting hook and the positioning guide seat; the die comprises an upper die base and a lower die base, wherein the upper die base is provided with an upper guide sleeve, the lower guide sleeve is arranged on the upper die base, the upper guide sleeve is arranged on the lower die base, and the lower guide sleeve is arranged on the upper die base. The utility model discloses simple structure, cost are low, the commonality is strong, portable operation, repeatability are high, the usage is extensive and the convenient implementation is standardized.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a die opening and closing device of a stamping die.
Background
In the process of manufacturing and maintaining the die, the upper die and the lower die of the die are assembled or disassembled frequently, when the upper die and the lower die of the die are opened and closed by a traditional small and medium-sized die mechanism, only a traveling crane lifting crane is used for processing, but the lifting crane processing is uneven, particularly, a guide pillar of a precise die is often blocked, a die mechanic needs to process by knocking so as to damage the die, the operation not only causes the precision of the die to be reduced, but also causes the die to have small service life due to serious heat and abrasion generated when the guide pillar and the guide sleeve are used, but most electromagnetic flat plate die spotting machines are used in the market at present, but the electromagnetic flat plate die spotting machines are not applied to the upper die and the lower die assembling or disassembling operation of the stamping die above the large size due to the limitations of tonnage of the traveling crane due to the use of the punching machine, even if the large-, in the die assembly hoisting process, the port guide fillet of the precise outer guide pillar and the outer guide sleeve is small, the port guide fillet is not in the visual angle range of people, the centering is difficult to realize precisely, the die sinking can be realized well by using the existing jack to solve the problem of the parallel of the upper die holder and the lower die holder, but the relative movement of the upper die holder and the lower die holder fails due to the large friction force generated between the upper die holder and the lower die holder and the jack, and the outer guide pillar and the outer guide sleeve are also easy to be clamped.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and an apparatus for opening and closing a stamping die, so as to solve the problems in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme: a press die opening and closing apparatus comprising: the device comprises an upper die base, a lower die base, a positioning guide base, a lifting hook, an outer guide sleeve, an outer guide pillar, a positioning guide head assembly and a hydraulic jack; the upper die base comprises an upper die base die-closing safety area and a lower die base die-closing safety area, wherein the upper die base die-closing safety area is provided with a positioning guide base and comprises an outer guide sleeve and a lifting hook which are configured according to the classified weights of oversize, large, medium and small stamping dies, 4 or 2 die-closing safety areas are symmetrically arranged according to the sizes of the dies, and 4 screw holes are distributed in each safety area so as to realize the assembly with the guide positioning base.
Preferably, the positioning guide seat comprises: the guide sleeve and the base are formed by press fitting in an interference fit mode, and the base is fixedly arranged on the upper die base through the inner hexagonal screw.
Preferably, the inner chamfer of the front end of the guide sleeve is a 15-20-degree chamfer horn mouth, the fillet of the horn mouth guide structure is transited to the rear end vertical lifting position, and the vertical lifting position between the guide sleeve and the positioning guide head is in clearance fit.
Preferably, the lifting hook is fixedly installed on the side positions of the upper die base and the lower die base through screws respectively, the other end of the lifting hook is connected with a lifting chain, the upper die base and the lower die base are lifted through the traveling crane, the connecting structure of the lifting hook and the upper die base is a detachable connecting structure, and the lifting hook is used for lifting the upper die base and horizontally placing the upper die base on the positioning guide head assembly through a traveling crane.
Preferably, the positioning guide head assembly is composed of an adjusting cushion block, a positioning guide head and an inner hexagonal screw, the adjusting cushion block is arranged below the positioning guide head, the adjusting cushion block adjusts the starting and stopping distance of the opening and closing die, the positioning guide head and a guide sleeve of the positioning guide seat play an automatic guiding role, the positioning guide head assembly is fixedly arranged at the top end of a piston rod of a hydraulic jack placed on a positioning pin of a lower die seat through the inner hexagonal screw, the positioning guide head is hardened and tempered 45# steel or subjected to surface quenching treatment on Cr12 materials, the front end is in fillet transition to a rear end straight lifting position, and the straight lifting position is in clearance fit with the guide sleeve. The adjusting cushion blocks are configured according to the die assembly height of the die, and finally grinding adjustment is carried out according to the parallel precision of the upper die base and the lower die base which are debugged by the die opening and closing system of the four-point variable frequency synchronous hydraulic machine.
Preferably, the hydraulic jack consists of a piston rod, a cylinder body, a high-pressure joint and a cylinder cover, the piston rod is made of 42CrMo forged steel material, a threaded hole is formed in the top end of the piston rod, and an overflow hole and a sealing groove are formed in the bottom end of the piston rod; the bottom end is provided with a sealing ring and is in precise sliding fit with the inner cavity of the cylinder body. The cylinder body is cast steel material, and the accurate grinding of inner chamber, nearly bottom trompil of lateral wall are connected with high-pressure joint, and axle center bottom surface is equipped with the locating hole and realizes the location to hydraulic jack with the non-annular knurl hexagon socket screw head clearance fit who installs on the die holder. The cylinder cover is provided with a sealing groove for assembling a sealing ring, and the sealing ring is packaged with the end of the cylinder body and forms precise sliding fit with the inner cavity of the piston rod together with the cylinder body in a coaxial manner. One end of the high-pressure joint is fixedly connected with the cylinder body, and the other end of the high-pressure joint is connected with the four-point variable-frequency synchronous hydraulic machine.
Preferably, the adjusting cushion block is configured according to the die assembly height of the die, and can be polished and adjusted according to the parallel precision of the upper die holder and the lower die holder.
Preferably, the lower die base consists of an outer guide pillar, a limiting pillar, a positioning inner hexagonal screw and the like, and is firstly hung and placed on the die carrier; usually, the acting point of the die carrier is positioned in the safe area marked at the two ends of the lower die holder.
Preferably, the upper die holder and the lower die holder are directly assembled on the die holder, and are provided with an outer guide sleeve, an outer guide pillar, a limiting block, a buffering gas cap, an inner guide pillar and an inner guide sleeve which are assembled on the template, and the lower die holder is marked with a safety area and can be used for placing a hydraulic jack capable of horizontally supporting the upper die holder.
Preferably, the operation method of the opening and closing die of the stamping die comprises the following steps: in the closed state of the die, firstly, the outer guide sleeve and the outer guide pillar are stably jacked open by a hydraulic jack, and then the upper die base is hoisted by hoisting equipment; under the opening state of the die, the lower die base is firstly placed stably through the traveling crane, then the upper die base is hoisted to the positioning guide head of the positioning guide head assembly on the lifted hydraulic jack installed on the positioning screw of the lower die base, then the upper die base moves downwards along with the traveling crane, the upper die base is automatically positioned through the positioning guide head and the positioning guide base, then the positioning guide head surface is stably contacted with the upper die base surface, then the hydraulic jack is used for releasing pressure, the upper die base with the collar falls stably, and then the outer guide sleeve is contacted with the outer guide pillar, so that the die assembly of the upper die base and the lower die base is automatically and accurately realized.
Compared with the prior art, the invention has the beneficial effects that: the invention is convenient to operate, time-saving and labor-saving; through the initial positioning adjustment of the hydraulic jack, the damage to the die and the reduction of the die precision caused by the fact that the outer guide pillar is clamped in the outer guide sleeve due to the inclination of the upper die base when the upper die base and the lower die base are directly assembled are avoided; meanwhile, the invention has the advantages of simple structure, low cost, strong universality, movable operation, high repetition precision, wide application and convenient standardization. According to the die holder, the hydraulic jack, the positioning guide head assembly and other components are connected with the die holder through the bolts, so that the die holder can be conveniently replaced and moved according to the weight of the die holder, inconvenience in use in a fixed mode is avoided, the labor intensity is reduced, the die opening and closing efficiency is improved, damage to the die holder caused by manual striking under the condition that the traditional die closing outer guide pillar and the outer guide sleeve are clamped is avoided, the die stability is further improved, the service life of the die is prolonged, and the production operation cost is reduced.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the upper and lower molds of the present invention;
FIG. 2 is a schematic view of the mold clamping structure of the upper and lower molds according to the present invention;
FIG. 3 is a schematic view of the upper and lower dies of the present invention in a separated front view;
FIG. 4 is a schematic view of the structure of FIG. 3 along line B-B according to the present invention;
FIG. 5 is an enlarged partial schematic view of FIG. 4 of the present invention;
fig. 6 is a schematic view of the positioning guide shaft of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the die comprises an upper die base, 11-a lifting hook, 12-an outer guide sleeve, 13-a screw hole, 2-a lower die base, 21-an outer guide column, 22-an inner hexagonal screw, 3-a hydraulic jack, 31-a piston rod, 32-a cylinder body, 33-a high-pressure joint, 34-a cylinder cover, 4-a positioning guide base, 41-a guide sleeve, 42-a base, 43-an inner hexagonal screw, 5-a positioning guide head component, 51-an adjusting cushion block, 52-a positioning guide head and 53-an inner hexagonal screw.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining the specific drawings.
As shown in fig. 1 to 6, a mold opening and closing apparatus for a press mold includes: a method and a device for opening and closing a die of a stamping die comprise the following steps: the device comprises an upper die holder 1, a lower die holder 2, a positioning guide holder 4, a lifting hook 11, an outer guide sleeve 12, an outer guide pillar 21, a positioning guide head assembly 5 and a hydraulic jack 3; the upper die holder 1 comprises an upper die holder and a lower die holder die assembly safety area installation positioning guide seat 4, and comprises an outer guide sleeve 12 and a lifting hook 11 which are configured according to the classification weight of oversize, large, medium and small stamping dies, the die assembly safety area of the upper die holder 1 is symmetrically provided with 4 or 2 dies according to the size of the dies, and 4 screw holes are distributed in each safety area to realize the assembly with the guiding positioning seat 4; the inner hexagonal screw can be flush with the bottom of the positioning guide seat 4, so that the protrusion of the screw is prevented from influencing subsequent installation; the positioning guide 4 includes: the guide sleeve 41 and the base 42 are formed by press fitting in an interference fit mode, and the base 42 is fixedly mounted 43 on the upper die base 1 through the inner hexagonal screw; the inner chamfer of the front end of the guide sleeve 41 is a 15-20-degree chamfer horn mouth, the fillet of the horn mouth guide structure is transited to the rear end vertical lifting position, and the vertical lifting positions between the guide sleeve 41 and the positioning guide head 52 are in clearance fit, so that the exhaust of the guide sleeve is facilitated, and the initial positioning effect of die assembly guide can be realized; the lifting hook 11 is fixedly mounted on the side positions of the upper die base 1 and the lower die base 2 through screws respectively, the other end of the lifting hook 11 is connected with a lifting chain, the upper die base 1 and the lower die base 2 are lifted through the traveling crane, the lifting hook 11 is detachably connected with the upper die base 1, and the lifting hook 11 is used for traveling a vehicle to hoist the upper die base 1 and keep flat on the positioning guide head assembly 5.
The positioning guide head assembly 5 is composed of an adjusting cushion block 51, a positioning guide head 52 and an inner hexagonal screw 53, the adjusting cushion block 51 is arranged below the positioning guide head 52, the adjusting cushion block 51 adjusts the opening and closing die start-stop distance, the positioning guide head 52 and a guide sleeve 41 of the positioning guide seat 4 play a role in automatic guiding, the positioning guide head assembly 5 is fixedly arranged at the top end of a hydraulic jack piston rod 31 placed on a positioning pin of the lower die seat 2 through the inner hexagonal screw 53, the positioning guide head 52 is processed by 45# steel quenching and tempering or Cr12 material surface quenching, the front end is in fillet transition to a rear end vertical lifting position, and the vertical lifting position is in clearance fit with the guide sleeve 41; the adjusting cushion block 51 is configured according to the die closing height of the die, and finally grinding adjustment is carried out according to the parallel precision of the upper die base and the lower die base which are debugged by the die opening and closing system of the four-point variable frequency synchronous hydraulic machine.
The hydraulic jack 3 is composed of a piston rod 31, a cylinder body 32, a high-pressure joint 33 and a cylinder cover 34, wherein the piston rod 31 is made of 42CrMo forged steel material, a threaded hole is formed in the top end of the piston rod 31, and an overflow hole and a sealing groove are formed in the bottom end of the piston rod; the bottom end is provided with a sealing ring and is in precise sliding fit with the inner cavity of the cylinder body 32. The cylinder body 32 is made of cast steel materials, an inner cavity is precisely ground, an opening on the side wall close to the bottom end is connected with the high-pressure joint 33, and a positioning hole is formed in the bottom surface of the axis and is in clearance fit with a knurled socket head cap screw installed on the lower die base to position the hydraulic jack; the cylinder cover 34 is provided with a sealing groove for assembling a sealing ring, and is packaged with the end of the cylinder body 32, coaxial with the cylinder body 32 and forms precise sliding fit with the inner cavity of the piston rod 31. One end of the high-pressure joint 33 is fixedly fastened with the cylinder body 32, and the other end of the high-pressure joint is connected with the four-point variable-frequency synchronous hydraulic machine; the adjusting cushion block 51 is configured according to the die assembly height of the die and can be polished and adjusted according to the parallel precision of the upper die holder and the lower die holder.
Preferably, the lower die holder 2 consists of an outer guide pillar 21, a limiting pillar, a positioning inner hexagonal screw 22 and the like, and is firstly hung and placed on the die carrier; the acting point of the mould frame is usually positioned in the safe area marked at the two ends of the lower mould base 2.
Preferably, the upper die holder and the lower die holder are directly assembled on the die holder, and are provided with an outer guide sleeve 12, an outer guide pillar 21, a limiting block, a buffer gas cap, an inner guide pillar and an inner guide sleeve which are assembled on the template, and the lower die holder is marked with a safety area and can be used for placing a hydraulic jack 3 capable of horizontally supporting the upper die holder 1.
Preferably, the operation method of the opening and closing die of the stamping die comprises the following steps: in the mold closing state, the outer guide sleeve 12 and the outer guide pillar 21 are firstly jacked open stably by the hydraulic jack 3, and then the upper mold base 1 is hoisted by the hoisting equipment; in the mold opening state, the lower mold base 2 is firstly placed stably through a traveling crane, then the upper mold base 1 is hoisted to a positioning guide head 52 of a positioning guide head assembly 5 on a raised hydraulic jack 3 installed on a positioning screw of the lower mold base 2, then the upper mold base 1 moves downwards along with the traveling crane, automatic positioning is carried out through the positioning guide head 52 and the positioning guide base 4, then the head surface of the positioning guide head 52 is in stable contact with the surface of the upper mold base 1, then the hydraulic jack 3 releases pressure, the upper mold base 1 is led to fall stably, and then the outer guide sleeve 12 is in contact with the outer guide post 21, so that the mold closing of the upper mold base 1 and the lower mold base 2 is automatically and accurately realized.
In summary, the principle of the present embodiment is: the upper die holder 1 is lifted to the lower die holder 2 through external lifting equipment, the height of the piston rod 21 of the hydraulic jack 3 in a safety area of the lower die holder 2 is increased to be larger than that of the outer guide pillar 21, the guide sleeve 41 with two sides in clearance fit with the positioning guide head 52 is clamped on the positioning guide head 52 through downward placing the upper die holder 1, the upper die holder 1 is prevented from being clamped under the condition of certain inclination in the lifting process through clearance fit, initial positioning is carried out, the outer guide sleeve 12 on the upper die holder 1 is perpendicular to the outer guide pillar 21 on the lower die holder 2 through adjustment of the hydraulic jack 3 and adjustment of the adjusting cushion block 51 according to actual conditions to achieve required precision, and then the piston rod 21 is lowered to enable the upper die holder 1 to be perpendicular to the lower die holder 2 to finish precise die assembly.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a stamping die mould closing and opening device which characterized in that: the method comprises the following steps: the die comprises an upper die holder, a lower die holder, a positioning guide seat, a lifting hook, an outer guide sleeve, an outer guide pillar, a positioning guide head assembly and a hydraulic jack, wherein the upper die holder comprises the positioning guide seat arranged in a die assembly safety area of the upper die holder and the lower die holder and comprises the outer guide sleeve and the lifting hook which are configured according to the classified weight of super-huge, large, medium and small stamping dies, 4 or 2 die assembly safety areas of the upper die holder are symmetrically arranged according to the size of the dies, and 4 screw holes are distributed in each safety area so as to realize the assembly with the guiding positioning seat.
2. The die opening and closing device for the stamping die as claimed in claim 1, wherein: the location guide holder includes: the guide sleeve and the base are formed by press fitting in an interference fit mode, and the base is fixedly arranged on the upper die base through the inner hexagonal screw.
3. The die opening and closing device for the stamping die as claimed in claim 2, wherein: the inner chamfer of the front end of the guide sleeve is a 15-20-degree chamfer horn mouth, the fillet of the horn mouth guide structure is transited to the rear end vertical lifting position, and the vertical lifting position between the guide sleeve and the positioning guide head is in clearance fit.
4. The die opening and closing device for the stamping die as claimed in claim 1, wherein: the lifting hook is fixedly installed on the side positions of the upper die base and the lower die base through screws respectively, the other end of the lifting hook is connected with a lifting chain, the upper die base and the lower die base are lifted through the traveling crane, the lifting hook is detachably connected with the connecting structure of the upper die base, and the lifting hook is used for lifting the upper die base and horizontally placing the upper die base on the positioning guide head assembly through a traveling crane.
5. The die opening and closing device for the stamping die as claimed in claim 1, wherein: the positioning guide head assembly is composed of an adjusting cushion block, a positioning guide head and an inner hexagonal screw, the adjusting cushion block is arranged below the positioning guide head, the adjusting cushion block adjusts the starting and stopping distance of the opening and closing die, the positioning guide head and a guide sleeve of the positioning guide seat play an automatic guiding role, the positioning guide head assembly is fixedly arranged at the top end of a piston rod of a hydraulic jack placed on a positioning pin of a lower die seat through the inner hexagonal screw, the positioning guide head is processed by hardening and tempering 45# steel or surface quenching of Cr12 material, the front end is in fillet transition to a straight lifting position at the rear end and is in clearance fit with the straight lifting position between the guide sleeves, the adjusting cushion block is configured according to the die closing height of the die, and finally the polishing adjustment is carried out according to the parallel precision of an upper die seat and a lower die seat debugged by.
6. The die opening and closing device for the stamping die as claimed in claim 1, wherein: the hydraulic jack is composed of a piston rod, a cylinder body, a high-pressure joint and a cylinder cover, the piston rod is made of 42CrMo forged steel material, a threaded hole is formed in the top end of the piston rod, and an overflow hole and a sealing groove are formed in the bottom end of the piston rod; the bottom end is provided with a sealing ring and is in precise sliding fit with an inner cavity of the cylinder body, the cylinder body is made of cast steel materials, the inner cavity is precisely ground, an opening in the side wall close to the bottom end is connected with a high-pressure joint, a positioning hole is formed in the bottom surface of the axis of the cylinder body and is in clearance fit with a knurled socket head screw installed on a lower die base to position the hydraulic jack, the cylinder cover is provided with a sealing groove for assembling the sealing ring, the sealing ring is packaged with the end of the cylinder body and is in precise sliding fit with the inner cavity of the piston rod together with the cylinder body in a coaxial mode.
7. The die opening and closing device for the stamping die as claimed in claim 5, wherein: the adjusting cushion block is configured according to the die assembly height of the die, and can be polished and adjusted according to the parallel precision of the upper die holder and the lower die holder.
8. The die opening and closing device for the stamping die as claimed in claim 1, wherein: the lower die base consists of an outer guide pillar, a limiting pillar, a positioning inner hexagonal screw and the like, and is firstly hung and placed on the die carrier; the acting point of the die carrier is positioned in the safe area marked at the two ends of the lower die holder.
9. The die opening and closing device for the stamping die as claimed in claim 1, wherein: the upper die base and the lower die base are directly assembled on the die base and provided with an outer guide sleeve, an outer guide pillar, a limiting block, a buffering gas cap, an inner guide pillar and an inner guide sleeve which are assembled on the die plate, and the lower die base is marked with a safety area and can be used for placing a hydraulic jack capable of horizontally supporting the upper die base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493545.9U CN210146780U (en) | 2019-04-12 | 2019-04-12 | Die opening and closing device of stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493545.9U CN210146780U (en) | 2019-04-12 | 2019-04-12 | Die opening and closing device of stamping die |
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| Publication Number | Publication Date |
|---|---|
| CN210146780U true CN210146780U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920493545.9U Active CN210146780U (en) | 2019-04-12 | 2019-04-12 | Die opening and closing device of stamping die |
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| CN (1) | CN210146780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116140478A (en) * | 2023-04-21 | 2023-05-23 | 昆明锐敏科技有限公司 | Split type formed hardware mold and forming process thereof |
-
2019
- 2019-04-12 CN CN201920493545.9U patent/CN210146780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116140478A (en) * | 2023-04-21 | 2023-05-23 | 昆明锐敏科技有限公司 | Split type formed hardware mold and forming process thereof |
| CN116140478B (en) * | 2023-04-21 | 2023-09-15 | 昆明锐敏科技有限公司 | Split type formed hardware mold and forming process thereof |
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