CN215791249U

CN215791249U - Energy-absorbing protection device for hot-pressing die

Info

Publication number: CN215791249U
Application number: CN202122293739.4U
Authority: CN
Inventors: 李晓乐
Original assignee: Suzhou Kerui Precision Machinery Co ltd
Current assignee: Suzhou Kerui Precision Machinery Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-11
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses an energy-absorbing protection device for a hot-pressing die, which comprises a lower die base, wherein four end corners of the lower die base are respectively provided with a guide post, the upper end of each guide post is provided with an upper die base, a hydraulic rod is clamped inside the upper die base, the bottom end of the hydraulic rod is fixedly provided with a round-corner rectangular block, a transmission bin is arranged inside the round-corner rectangular block, a driving gear is arranged inside the transmission bin, the outer surface of the driving gear is connected with a rack in a meshing manner, and the bottom end of the inner wall of the rack is connected with a driven gear in a meshing manner. The lifting plate and the spring are arranged, so that the die can be conveniently buffered in the hot pressing process, the energy absorption effect is realized, the protection effect on equipment is realized, the service life is prolonged, and the operation difficulty is simplified.

Description

Energy-absorbing protection device for hot-pressing die

Technical Field

The utility model relates to the technical field of hot-press molding, in particular to an energy-absorbing protection device for a hot-press mold.

Background

Hot press forming is a simple and common processing method in the plastic processing industry, which mainly comprises heating a processing mold, injecting a sample, fixing a mold on a heating plate under pressure, controlling the melting temperature and time of the sample to achieve solidification and cooling after melting, and taking out the mold product. A hot-pressing die is needed in the processing process.

However, the height of the existing hot-pressing die is not convenient and fast to adjust, and the die is not buffered when being contacted with the die holder in the hot-pressing process; therefore, the existing requirements are not met, and the hot-pressing die energy-absorbing protection device is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-absorbing protection device for a hot-pressing die, which aims to solve the problems that the height of the existing hot-pressing die is not convenient to adjust, the die is not buffered when being contacted with a die holder in the hot-pressing process, and the like in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an energy-absorbing protection device for a hot-pressing die comprises a lower die holder, guide posts are arranged at four end corners of the lower die holder, an upper die holder is arranged at the upper ends of the guide posts, a hydraulic rod is clamped in the upper die holder, a round rectangular block is fixedly arranged at the bottom end of the hydraulic rod, a transmission bin is arranged in the round rectangular block, a driving gear is arranged in the transmission bin, a rack is connected to the outer surface of the driving gear in a meshed manner, a driven gear is connected to the bottom end of the inner wall of the rack in a meshed manner, threaded rods are fixedly arranged on two sides of the driven gear respectively, a fixing plate is sleeved on the outer surface of each threaded rod close to the two ends of the threaded rod, a lifting plate is fixedly arranged on the lower end face of each fixing plate, clamping strips are fixedly arranged on the inner wall of the lifting plate close to the bottom end face, a threaded hole is arranged in the middle of each fixing plate, and round rectangular through holes are arranged on two sides of the threaded hole, the lower extreme fixed mounting of fillet rectangle piece has two fillet rectangle posts, the top end face fixed mounting of lifter plate inner wall has a plurality of spring, the lower extreme of spring is provided with the mould, the surface of mould is provided with a plurality of draw-in grooves, the surface of card strip and the inner wall laminating of draw-in groove.

Preferably, the outer surface of the round-corner rectangular column is attached to the inner wall of the round-corner rectangular through hole, and the outer surface of the threaded rod is attached to the inner wall of the threaded hole.

Preferably, the threaded rod is fixedly connected with the driven gear in a welding mode, the motor is arranged inside the round-corner rectangular block, and the output end of the motor is fixedly connected with the circle center of the driving gear in a welding mode.

Preferably, the lifting plate, the fixing plate and the clamping strip are of an integrally formed structure.

Preferably, the round-corner rectangular block and the round-corner rectangular column are of an integrally formed structure, and the hydraulic rod is fixedly connected with the round-corner rectangular block through welding.

Preferably, the thread rotating directions of the outer surfaces of the two ends of the threaded rod are opposite, the top end of the spring is fixedly installed on the inner wall of the lifting plate, and the bottom end of the spring is in contact with the top end of the mold.

Compared with the prior art, the utility model has the beneficial effects that: this hot pressing die energy-absorbing protector, through being provided with rack, driving gear and driven gear, be convenient for adjust the interval of two lifter plates to can change the mould or adjust the position of mould, through setting up lifter plate and spring, be convenient for make the mould obtain the buffering at the in-process of hot pressing, the effect that plays the energy-absorbing plays the guard action to equipment, the simplified operation degree of difficulty when increase of service life.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the mold of the present invention in a disassembled state;

FIG. 3 is a schematic structural diagram of a rounded rectangular block of the present invention;

fig. 4 is a schematic diagram of the lifting plate of the present invention.

In the figure: 1. an upper die holder; 2. a guide post; 3. a lower die holder; 4. a lifting plate; 5. a hydraulic lever; 6. a mold; 7. a card slot; 8. a fixing plate; 9. a rounded rectangular block; 10. a transmission bin; 11. a rounded rectangular column; 12. a rack; 13. a driving gear; 14. a threaded rod; 15. a driven gear; 16. a threaded hole; 17. a spring; 18. clamping the strip; 19. rounded rectangular through holes.

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. 1-4, the present invention provides a technical solution: an energy-absorbing protection device for a hot-pressing die comprises a lower die base 3, guide posts 2 are arranged at four end corners of the lower die base 3, an upper die base 1 is arranged at the upper ends of the guide posts 2, a hydraulic rod 5 is clamped in the upper die base 1, a rounded rectangular block 9 is fixedly arranged at the bottom end of the hydraulic rod 5, a transmission bin 10 is arranged in the rounded rectangular block 9, a driving gear 13 is arranged in the transmission bin 10, a rack 12 is connected to the outer surface of the driving gear 13 in a meshed manner, a driven gear 15 is connected to the bottom end of the inner wall of the rack 12 in a meshed manner, threaded rods 14 are fixedly arranged on two sides of the driven gear 15, a fixed plate 8 is sleeved on the outer surface of each threaded rod 14 close to two ends, a lifting plate 4 is fixedly arranged on the lower end face of the fixed plate 8, clamping strips 18 are fixedly arranged on the inner wall of the lifting plate 4 close to the bottom end face, a threaded hole 16 is arranged in the middle of the fixed plate 8, and rounded rectangular through holes 19 are arranged on two sides of the threaded hole 16, the lower extreme fixed mounting of fillet rectangle piece 9 has two fillet rectangle posts 11, and the top end face fixed mounting of 4 inner walls of lifter plate has a plurality of spring 17, and the lower extreme of spring 17 is provided with mould 6, and the surface of mould 6 is provided with a plurality of draw-in grooves 7, and the surface of card strip 18 is laminated with the inner wall of draw-in groove 7.

In the utility model: the outer surface of the round corner rectangular column 11 is attached to the inner wall of the round corner rectangular through hole 19, the outer surface of the threaded rod 14 is attached to the inner wall of the threaded hole 16, the threaded rod 14 rotates to enable the two lifting plates 4 to be close to the middle or move towards the two ends simultaneously, and the two lifting plates are kept stable under the limitation of the round corner rectangular column 11.

In the utility model: threaded rod 14 passes through welded fastening with driven gear 15 and is connected, and the inside of fillet rectangle piece 9 is provided with the motor, and the output of motor and the centre of a circle of driving gear 13 pass through welded fastening and be connected, drives driving gear 13 through the motor and rotates, and driving gear 13 drives driven gear 15 through rack 12 and rotates to control lifter plate 4 carries out the centre gripping with mould 6 or releases.

In the utility model: the lifting plate 4, the fixing plate 8 and the clamping strip 18 are of an integrally formed structure.

In the utility model: fillet rectangle piece 9 and fillet rectangle post 11 are integrated into one piece structure, and hydraulic stem 5 passes through welded fastening with fillet rectangle piece 9 and is connected.

In the utility model: the screw thread direction of rotation of the surface of both ends of threaded rod 14 is opposite, and spring 17's top fixed mounting is on the inner wall of lifter plate 4, and spring 17's bottom and the top contact of mould 6 make spring 17 promote mould 6 downwards, and spring 17 alleviates vibrations when mould 6 card is in the inside of die holder 3, plays the guard action.

The working principle is as follows: during the use, the inside of die holder 3 is put into to the assay that will carry out the hot pressing, start hydraulic stem 5 and promote fillet rectangle piece 9 downwards, fillet rectangle piece 9 promotes downwards through fillet rectangle post 11 and fixed plate 8 mould 6 with the 4 centre grippings of lifter plate, thereby carry out hot briquetting to the assay, receive the thrust when mould 6 card is in the inside of die holder 3, alleviate through spring 17, thereby play the guard action, when the height of needs adjustment mould 6 in the inside of die holder 3, can start motor drive driving gear 13 rotate, driving gear 13 drives driven gear 15 through rack 12 and rotates, driven gear 15 drives fixed plate 8 through threaded rod 14 and removes to both sides, thereby make lifter plate 4 relieve the centre gripping of mould 6, with the inside of lifter plate 4 card at different draw-in grooves 7, thereby the position of adjustment die holder 3.

In summary, the following steps: through being provided with rack 12, driving gear 13 and driven gear 15, be convenient for adjust the interval of two lifter plates 4 to can change mould 6 or adjust the position of mould 6, through setting up lifter plate 4 and spring 17, be convenient for make mould 6 obtain the buffering at the in-process of hot pressing, play the effect of energy-absorbing and play the guard action to equipment, the simplified operation degree of difficulty when increase of service life.

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.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hot pressing mold energy-absorbing protector, includes die holder (3), its characterized in that: four end corners of the lower die holder (3) are provided with guide columns (2), the upper end of each guide column (2) is provided with an upper die holder (1), a hydraulic rod (5) is clamped inside the upper die holder (1), a round-corner rectangular block (9) is fixedly installed at the bottom end of the hydraulic rod (5), a transmission bin (10) is arranged inside the round-corner rectangular block (9), a driving gear (13) is arranged inside the transmission bin (10), a rack (12) is connected to the outer surface of the driving gear (13) in a meshed manner, a driven gear (15) is connected to the bottom end of the inner wall of the rack (12) in a meshed manner, threaded rods (14) are fixedly installed on two sides of the driven gear (15), a fixing plate (8) is sleeved on the outer surface of each threaded rod (14) close to two ends, and a lifting plate (4) is fixedly installed on the lower end face of each fixing plate (8), inner wall fixed mounting that lifter plate (4) are close to the bottom face has card strip (18), the centre of fixed plate (8) is provided with screw hole (16), the both sides of screw hole (16) all are provided with fillet rectangle through-hole (19), the lower extreme fixed mounting of fillet rectangle piece (9) has two fillet rectangle posts (11), the top face fixed mounting of lifter plate (4) inner wall has a plurality of spring (17), the lower extreme of spring (17) is provided with mould (6), the surface of mould (6) is provided with a plurality of draw-in grooves (7), the surface of card strip (18) and the inner wall laminating of draw-in groove (7).

2. The energy-absorbing protection device for the hot-pressing die according to claim 1, wherein: the outer surface of the round corner rectangular column (11) is attached to the inner wall of the round corner rectangular through hole (19), and the outer surface of the threaded rod (14) is attached to the inner wall of the threaded hole (16).

3. The energy-absorbing protection device for the hot-pressing die according to claim 1, wherein: the threaded rod (14) is fixedly connected with the driven gear (15) through welding, a motor is arranged inside the round-corner rectangular block (9), and the output end of the motor is fixedly connected with the circle center of the driving gear (13) through welding.

4. The energy-absorbing protection device for the hot-pressing die according to claim 1, wherein: the lifting plate (4), the fixing plate (8) and the clamping strip (18) are of an integrally formed structure.

5. The energy-absorbing protection device for the hot-pressing die according to claim 1, wherein: fillet rectangle piece (9) and fillet rectangle post (11) are integrated into one piece structure, hydraulic stem (5) pass through welded fastening with fillet rectangle piece (9) and are connected.

6. The energy-absorbing protection device for the hot-pressing die according to claim 1, wherein: the thread rotating directions of the outer surfaces of the two ends of the threaded rod (14) are opposite, the top end of the spring (17) is fixedly installed on the inner wall of the lifting plate (4), and the bottom end of the spring (17) is in contact with the top end of the mold (6).