CN214078521U

CN214078521U - Cold extrusion forming device for contact finger parts of high-voltage electrical appliances

Info

Publication number: CN214078521U
Application number: CN202022605933.7U
Authority: CN
Inventors: 周榆淘; 周超; 管俊放
Original assignee: Yuhuan Dongnan Plastic Electromechanical Co ltd
Current assignee: Yuhuan Dongnan Plastic Electromechanical Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-08-31
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a high-voltage apparatus touches cold extrusion forming device of finger part, the on-line screen storage device comprises a base, the column bottom is stabilized to base top four corners fixedly connected with, stabilize column top fixedly connected with fixing base bottom, fixing base middle part fixedly connected with hydraulic telescoping cylinder middle part, hydraulic telescoping cylinder bottom fixedly connected with lifter plate top, lifter plate four corners sliding connection has the column of stabilizing, the base top is provided with the lower mould. The utility model discloses high-voltage apparatus touches and indicates part cold extrusion forming device, when fixing and change last mould and lower mould, directly make the fastening strip of last mould and lower mould slide into the fastening inslot, it rises to go up the mould threaded rod through tightening the nut, the lower mould threaded rod descends, thereby the threaded rod passes through the fastening strip and drives the last mould and the lower mould of rubber strip in the fastening inslot tightly to effectual last mould and the lower mould of having solved current cold extrusion forming machine can not conveniently be changed, thereby make the problem that the product kind of cold extrusion is few.

Description

Cold extrusion forming device for contact finger parts of high-voltage electrical appliances

Technical Field

The utility model relates to a high-voltage apparatus touches finger part cold extrusion forming technical field specifically is a high-voltage apparatus touches finger part cold extrusion forming device.

Background

Cold extrusion is an important component of precision plastic volume forming technology. Cold extrusion means that a metal blank is placed into a die cavity of a die in a cold state, and metal is forced to be extruded out of the die cavity under the action of strong pressure and a certain speed, so that an extrusion piece with a required shape, size and certain mechanical property is obtained. It is clear that cold extrusion processes rely on dies to control metal flow and on the bulk transfer of metal volume to form parts. The cold extrusion technology is an advanced production technology with high precision, high efficiency, high quality and low consumption, and is more applied to the large-scale production of small and medium-sized forgings. Compared with the hot forging and warm forging process, the method can save 30-50% of materials and 40-80% of energy, and can improve the quality of the forged piece and improve the operating environment.

The upper die and the lower die of the existing cold extrusion forming machine can not be conveniently replaced, so that the types of cold extruded products are few, a large extrusion force can be generated in the extrusion forming process, irreparable damage can be caused to a human body, but the existing cold extrusion forming machine does not have a corresponding protection facility, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-tension apparatus touches and indicates part cold extrusion forming device to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a cold extrusion forming device for a high-voltage electrical appliance contact finger part comprises a base, wherein four corners of the top of the base are fixedly connected with a bottom end of a stabilizing column, the top end of the stabilizing column is fixedly connected with the bottom of a fixing base, the middle of the fixing base is fixedly connected with the middle of a hydraulic telescopic cylinder, the bottom end of the hydraulic telescopic cylinder is fixedly connected with the top of a lifting plate, four corners of the lifting plate are slidably connected with stabilizing columns, the top of the base is provided with a lower die, the left side and the right side of the lower die are provided with fastening grooves, fastening strips are arranged in the fastening grooves, the bottom of the fastening strips is fixedly connected with the bottom ends of threaded rods, the bottoms of the fastening strips are fixedly connected with the tops of rubber strips on two sides of the threaded rods, the base is provided with a first elastic opening corresponding to the threaded rod, the base is provided with a pressure spring chamber at the top of the first elastic opening, the base is provided with a fixing hole at the top of the pressure spring chamber, and the fixing hole is sleeved with the threaded rod, the threaded rod is at the indoor top fixedly connected with preforming middle part of pressure spring, the threaded rod has cup jointed the pressure spring in the preforming bottom, the base corresponds the threaded rod fixedly connected with spacing ring top in first elasticity mouth top, the threaded rod has been cup jointed at the spacing ring middle part, threaded rod bottom fixedly connected with nut, base left side top fixedly connected with bottom fixed block right side, bottom fixed block top fixedly connected with rail guard bottom, rail guard top fixedly connected with top fixed block bottom, top fixed block top fixedly connected with couple bottom, the fixing base left side corresponds couple fixedly connected with peg right-hand member, the peg left end joint couple.

Furthermore, the four corners of the lifting plate correspond to the middle parts of the sliding sleeves fixedly connected with the stabilizing columns, and the lifting plate is connected with the stabilizing columns through the sliding sleeves in a sliding mode, so that the lifting plate can be lifted stably.

Furthermore, the threaded rods are three and are distributed at the front, middle and rear positions of the bottom of the fastening strip.

Further, the lifter plate bottom is provided with the mould, the lifter plate is close to the top and corresponds and go up mould left side and right side and has seted up the second elasticity mouth, be provided with intraoral spacing ring of first elasticity and threaded rod in the second elasticity mouth, it is provided with holding strip, fastening groove and the rubber strip of lower mould to go up mould left side and right side and correspond the threaded rod for go up the change that mould and lower mould homoenergetic can be convenient.

Furthermore, the number of the guard rails is three, and the three guard rails are respectively distributed on the left side, the back side and the right side of the fixed seat and the base, so that the fastening strips can be in contact with the upper die and the lower die with larger contact surfaces, and the fastening effect of the upper die and the lower die is improved.

Further, the bottom of the bottom fixing block is provided with a mounting hole, the base is provided with a threaded hole corresponding to the mounting hole, a bolt is arranged in the threaded hole, and the bottom fixing block is fixedly connected with the base through the bolt and the threaded hole in a matched mode, so that the guard rail is convenient to fix and detach.

Furthermore, the two fixing blocks and the two top fixing blocks are arranged on the two sides of the protective guard respectively, so that the tightness of the protective guard is guaranteed, and a good protection effect is achieved.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses high-voltage apparatus touches and indicates part cold extrusion forming device, through the fastening strip that sets up, when fixing and change last mould and lower mould, directly make the fastening strip of last mould and lower mould slide into the fastening inslot, it rises to go up the threaded rod through tightening the nut, the lower mould threaded rod descends, thereby the threaded rod passes through the fastening strip and drives the rubber strip and tightly laminate on the last mould and the lower mould of fastening inslot, thereby effectual last mould and the lower mould of having solved current cold extrusion forming machine can not conveniently be changed, thereby make the few problem of cold extruded product kind.

2. The utility model discloses high-voltage apparatus touches and indicates part cold extrusion forming device, through the rail guard that sets up, in cold extrusion forming device working process, can keep apart the people except that the operator through the rail guard to the effectual extrusion in-process of having solved can produce very big extrusion force, can cause the problem of irreparable injury to other personnel.

Drawings

The accompanying drawings 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 invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic front sectional structure of the present invention;

FIG. 3 is a schematic sectional view of the fastening strip, the fastening groove, the threaded rod and the like;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the left side of the fastener strip and threaded rod engaged;

fig. 6 is a schematic view of the left side structure of the guard rail.

In the figure: 1. a fixed seat; 2. protecting the fence; 3. a stabilization post; 4. a bottom fixing block; 5. a first elastic opening; 6. a base; 7. a hydraulic telescopic cylinder; 8. a lifting plate; 9. hooking; 10. mounting holes; 11. a top fixing block; 12. a second elastic opening; 13. an upper die; 14. a lower die; 15. a sliding sleeve; 16. a hanging rod; 17. a threaded rod; 18. a pressure spring; 19. a nut; 20. a limiting ring; 21. a pressure spring chamber; 22. tabletting; 23. a fixing hole; 24. a rubber strip; 25. fastening strips; 26. and (5) fastening the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-6, the present invention provides a technical solution: a cold extrusion forming device for a high-voltage electrical appliance contact finger part comprises a base 6, four corners of the top of the base 6 are fixedly connected with the bottom ends of stabilizing columns 3, the top ends of the stabilizing columns 3 are fixedly connected with the bottom of a fixed seat 1, the middle of the fixed seat 1 is fixedly connected with the middle of a hydraulic telescopic cylinder 7, the bottom end of the hydraulic telescopic cylinder 7 is fixedly connected with the top of a lifting plate 8, four corners of the lifting plate 8 are slidably connected with the stabilizing columns 3, the four corners of the lifting plate 8 correspond to the middle of a sliding sleeve 15, the lifting plate 8 is slidably connected with the stabilizing columns 3 through the sliding sleeve 15, the top of the base 6 is provided with a lower die 14, the left side and the right side of the lower die 14 are provided with fastening grooves 26, fastening strips 25 are arranged in the fastening grooves 26, the bottoms of the fastening strips 25 are fixedly connected with the bottom ends of threaded rods 17, the threaded rods 17 are provided with three threaded rods 17, the three threaded rods 17 are distributed at the front, middle and rear positions of the bottoms of the fastening strips 25, the tops of rubber strips 24 are fixedly connected with the two sides of the threaded rods 17, the base 6 is provided with a first elastic opening 5 corresponding to a threaded rod 17, the base 6 is provided with a pressure spring chamber 21 at the top of the first elastic opening 5, the base 6 is provided with a fixed hole 23 at the top of the pressure spring chamber 21, the fixed hole 23 and the pressure spring chamber 21 are sleeved with a threaded rod 17, the threaded rod 17 is fixedly connected with the middle part of a pressing sheet 22 at the top in the pressure spring chamber 21, the threaded rod 17 is sleeved with a pressure spring 18 at the bottom of the pressing sheet 22, the pressure spring 18 is convenient to slightly jack up a fastening strip 25 when a nut 19 is unscrewed, so that a gap is formed between the fastening strip 25 and the base 6, the fastening strip 25 is convenient to be put into a fastening groove 26 at the later stage, the top of the base 6 is fixedly connected with the top of a limiting ring 20 corresponding to the threaded rod 17 in the first elastic opening 5, the threaded rod 17 is sleeved at the middle part of the limiting ring 20, the bottom end of the threaded rod 17 is fixedly connected with the nut 19, the bottom of the lifting plate 8 is provided with an upper die 13, the lifting plate 8 is provided with a second elastic opening 12 close to the left side and the right side of the lifting plate 13 corresponding to the top, the second elastic opening 12 is internally provided with a limit ring 20 and a threaded rod 17 in the first elastic opening 5, the left side and the right side of the upper die 13 are provided with a fastening strip 25, a fastening groove 26 and a rubber strip 24 which have the same specification as the lower die 14 corresponding to the threaded rod 17, through the arranged fastening strip 25, when the upper die 13 and the lower die 14 are fixed and replaced, the fastening strips 25 of the upper die 13 and the lower die 14 are directly slid into the fastening grooves 26, the threaded rod 17 of the lower die 14 ascends by screwing the nut 19, and the threaded rod 17 of the lower die 14 descends, so that the threaded rod 17 drives the rubber strip 24 to be tightly attached to the upper die 13 and the lower die 14 in the fastening groove 26 through the fastening strip 25, thereby effectively solving the problem that the upper die 13 and the lower die 14 of the existing cold extrusion forming machine cannot be conveniently replaced, and the types of cold extruded products are few, the lifting plate 8 of the upper die 13 is provided with a fixing hole 23 corresponding to the threaded rod 17, but the upper die 13 is not provided with a pressure spring chamber 21 and a pressure spring 18, the top of the left side of a base 6 is fixedly connected with the right side of a bottom fixed block 4, the bottom of the bottom fixed block 4 is provided with a mounting hole 10, the base 6 is provided with a threaded hole corresponding to the mounting hole 10, a bolt is arranged in the threaded hole, the bottom fixed block 4 is fixedly connected with the base 6 through the matching of the bolt and the threaded hole, the top of the bottom fixed block 4 is fixedly connected with the bottom of a protective guard 2, the top of the protective guard 2 is fixedly connected with the bottom of a top fixed block 11, the top of the top fixed block 11 is fixedly connected with the bottom of a hook 9, the left side of a fixed seat 1 is fixedly connected with the right end of a hanging rod 16, the left end of the hanging rod 16 is clamped with the hook 9, the protective guard 2 is provided with three protective guards, three protective guards 2 are respectively distributed at the left side, the back side and the right side of the fixed seat 1 and the base 6, two bottom fixed blocks 4 and two top fixed blocks 11 are respectively arranged at two sides of the protective guards 2, through the guard rail 2, in the working process of the cold extrusion forming device, people except an operator can be isolated through the guard rail 2, so that the problem that a large extrusion force is generated in the extrusion forming process, and irreparable damage is caused to other people is effectively solved.

When using, through the fastening strip 25 that sets up, when fixing and change and go up mould 13 and lower mould 14, directly make the fastening strip 25 of mould 13 and lower mould 14 slide into fastening groove 26, mould 13 threaded rod 17 rises through screwing up nut 19, lower mould 14 threaded rod 17 descends, thereby threaded rod 17 passes through fastening strip 25 and drives rubber strip 24 and tightly laminate on last mould 13 and lower mould 14 in fastening groove 26, rail guard 2 is in cold extrusion forming device working process, can keep apart the people except that the operator through rail guard 2, thereby the effectual extrusion forming in-process that has avoided can produce very big extrusion force, can cause irreparable injury to other personnel.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a high-voltage apparatus touches cold extrusion forming device of finger part, includes base (6), its characterized in that: the base is characterized in that four corners of the top of the base (6) are fixedly connected with the bottom of a stabilizing column (3), the top of the stabilizing column (3) is fixedly connected with the bottom of a fixing seat (1), the middle of the fixing seat (1) is fixedly connected with the middle of a hydraulic telescopic cylinder (7), the bottom of the hydraulic telescopic cylinder (7) is fixedly connected with the top of a lifting plate (8), the four corners of the lifting plate (8) are slidably connected with the stabilizing column (3), the top of the base (6) is provided with a lower die (14), the left side and the right side of the lower die (14) are provided with fastening grooves (26), fastening strips (25) are arranged in the fastening grooves (26), the bottom of each fastening strip (25) is fixedly connected with the bottom of a threaded rod (17), the bottoms of the fastening strips (25) are fixedly connected with the tops of rubber strips (24) on two sides of the threaded rod (17), and the base (6) is provided with a first loosening port (5) corresponding to the threaded rod (17), the base (6) is provided with a pressure spring chamber (21) at the top of the first elastic opening (5), the base (6) is provided with a fixed hole (23) at the top of the pressure spring chamber (21), the fixed hole (23) and the pressure spring chamber (21) are sleeved with a threaded rod (17), the threaded rod (17) is fixedly connected with the middle part of a pressing sheet (22) at the top in the pressure spring chamber (21), the threaded rod (17) is sleeved with a pressure spring (18) at the bottom of the pressing sheet (22), the top of the base (6) in the first elastic opening (5) corresponds to the top of a limiting ring (20) fixedly connected with the threaded rod (17), the middle part of the limiting ring (20) is sleeved with the threaded rod (17), the bottom of the threaded rod (17) is fixedly connected with a nut (19), the top of the left side of the base (6) is fixedly connected with the right side of a bottom fixing block (4), the top of the bottom fixing block (4) is fixedly connected with the bottom of a guard rail (2), guard rail (2) top fixedly connected with top fixed block (11) bottom, top fixed block (11) top fixedly connected with couple (9) bottom, fixing base (1) left side corresponds couple (9) fixedly connected with peg (16) right-hand member, peg (16) left end joint couple (9).

2. The cold extrusion forming device for the contact finger parts of the high-voltage electric appliances, according to claim 1, is characterized in that: the four corners of the lifting plate (8) correspond to the middle parts of the stabilizing columns (3) and are fixedly connected with sliding sleeves (15), and the lifting plate (8) is connected with the stabilizing columns (3) through the sliding sleeves (15) in a sliding mode.

3. The cold extrusion forming device for the contact finger parts of the high-voltage electric appliances, according to claim 1, is characterized in that: the threaded rods (17) are arranged in three numbers, and the three threaded rods (17) are distributed at the front, middle and rear positions of the bottom of the fastening strip (25).

4. The cold extrusion forming device for the contact finger parts of the high-voltage electric appliances, according to claim 1, is characterized in that: lifter plate (8) bottom is provided with mould (13), lifter plate (8) are close to the top and correspond mould (13) left side and right side and have seted up second elasticity mouth (12), be provided with spacing ring (20) and threaded rod (17) in first elasticity mouth (5) in second elasticity mouth (12), go up mould (13) left side and right side and correspond threaded rod (17) and be provided with holding strip (25), fastening groove (26) and rubber strip (24) of lower mould (14).

5. The cold extrusion forming device for the contact finger parts of the high-voltage electric appliances, according to claim 1, is characterized in that: the number of the guard rails (2) is three, and the three guard rails (2) are respectively distributed on the left side, the back side and the right side of the fixed base (1) and the base (6).

6. The cold extrusion forming device for the contact finger parts of the high-voltage electric appliances, according to claim 1, is characterized in that: mounting hole (10) have been seted up to bottom fixed block (4) bottom, base (6) correspond mounting hole (10) and set up threaded hole, threaded hole is provided with the bolt, bottom fixed block (4) are through bolt and threaded hole cooperation fixedly connected with base (6).

7. The cold extrusion forming device for the contact finger parts of the high-voltage electric appliances, according to claim 1, is characterized in that: the two bottom fixing blocks (4) and the two top fixing blocks (11) are arranged on the two sides of the protective guard (2) respectively, and the two bottom fixing blocks (4) and the two top fixing blocks (11) are arranged on the two sides of the protective guard respectively.