CN222039301U

CN222039301U - Mould clamping device

Info

Publication number: CN222039301U
Application number: CN202420493535.6U
Authority: CN
Inventors: 于延明; 李永琼
Original assignee: Dongguan Minghong Precision Mold Co ltd
Current assignee: Dongguan Minghong Precision Mold Co ltd
Priority date: 2024-03-14
Filing date: 2024-03-14
Publication date: 2024-11-22
Anticipated expiration: 2034-03-14

Abstract

The utility model discloses a mold clamping device, including a bottom plate, the upper surface of the bottom plate is fixedly connected to a support plate, the top of the support plate is fixedly connected to a top plate, an upper mounting plate is arranged on the top plate, the bottom surface of the upper mounting plate is fixedly connected to an upper mold, a mounting assembly is arranged on the top plate, the upper surface of the top plate is fixedly connected to a positioning column, a positioning hole is provided on the upper mounting plate, the upper surface of the bottom plate is fixedly connected to two symmetrical guide rods, and a hydraulic cylinder is fixedly installed on the upper surface of the bottom plate. The utility model reduces the difficulty of disassembling the upper mold and the lower mold through the mounting assembly, solves the problem that the mold replacement and disassembly are time-consuming and labor-intensive, enhances the applicability of the mold device, and completes the demoulding of the parts in the process of the lower mold moving downward through the lower mold, the ejector pin, the sleeve, the spring and the ejector frame, and solves the problem that the parts attached to the inner wall of the molding cavity after processing are difficult to be removed.

Description

Die closing device

Technical Field

The utility model relates to the technical field of dies, in particular to a die clamping device for a die.

Background

The die is a variety of tools used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods to obtain the required products in industrial production. In short, a mold is a tool used to make a molded article, and different molds can make different parts. The mold comprises a male mold and a female mold, and the mold is assembled through the cooperation of the column guide sleeve.

In actual use, the mold is worn in the long-time mold closing process, the mold needs to be disassembled and replaced, and meanwhile, the corresponding mold also needs to be replaced when different parts are manufactured, however, most of the current molds are fixed through bolts, so that a great amount of time is consumed for disassembling the molds; in addition, after the mold is closed, the parts are easily attached in the molding cavity of the mold, so that the parts are inconvenient to take out, and the use working efficiency is affected.

Disclosure of utility model

The present utility model is directed to a mold clamping device, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mould closing device, includes the bottom plate, bottom plate upper surface and backup pad fixed connection, backup pad top and roof fixed connection, be provided with the mounting panel on the roof, go up mounting panel bottom surface and last mould fixed connection, be provided with the installation component on the roof, roof upper surface and reference column fixed connection, set up the locating hole on the mounting panel, bottom plate upper surface and two symmetrical guide arm fixed connection, bottom plate upper surface fixed mounting has the pneumatic cylinder, the output and the lifter plate fixed connection of pneumatic cylinder, the lifter plate upper surface is provided with the mounting panel down, mounting panel upper surface and lower mould fixed connection down, the inside mating hole of seting up of lower mould, the inside thimble that is provided with of mating hole, thimble bottom and sleeve threaded connection, the spring is established to thimble outside cover, bottom plate upper surface and roof-rack fixed connection.

Preferably, a rectangular through hole for placing an upper die is formed in the top of the top plate, and the upper die is located between two symmetrical guide rods.

Preferably, the installation component includes rectangular channel, two-way threaded rod, hand wheel, drive belt and L type cardboard, set up two symmetrical rectangular channels on the roof, rectangular channel inner wall rotates with two-way threaded rod outside to be connected, two-way threaded rod one end extends to the roof outside and hand wheel fixed connection, two-way threaded rod other end extends to the roof outside and drive wheel fixed connection, the drive wheel outside is provided with the drive belt, two-way threaded rod outside is provided with L type cardboard.

Preferably, the number of the bidirectional threaded rods and the number of the driving wheels are two, the driving belt connects the two driving wheels, opposite threads are arranged on two sides of the bidirectional threaded rods, the L-shaped clamping plates are respectively located on two sides of the bidirectional threaded rods and are symmetrically distributed, and the side faces of the L-shaped clamping plates are in threaded connection with the bidirectional threaded rods through threaded holes.

Preferably, the upper surfaces of the top plate and the lifting plate are fixedly connected with four mutually symmetrical positioning columns, the upper mounting plate and the lower mounting plate are provided with four positioning holes, the positioning holes are movably inserted with the positioning columns, and the lifting plate is also provided with a mounting assembly.

Preferably, the circular through hole for thimble sliding is arranged on the upper surface of the lower mounting plate, the inner diameter size of the matching hole is larger than that of the circular through hole, the thimble is composed of two cylinders with different sizes, and the bottom of the thimble extends to the lower part of the lifting plate to be in threaded connection with the threaded hole in the sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the difficulty in disassembling the upper die and the lower die is effectively reduced by arranging the mounting assembly, the time for disassembling by a worker is reduced, the efficiency of the worker is improved, meanwhile, the die is mounted with good stability by utilizing the matching of the bidirectional threaded rod and the L-shaped clamping plate with the positioning column and the positioning hole, the problems of time and labor waste in die replacement and disassembly are avoided, and the applicability of the die device is enhanced.

2. The utility model simultaneously ensures that the lower die simultaneously completes demoulding of the part in the forming cavity in the process of downward movement after die assembly processing is completed by arranging the lower mounting plate, the lower die, the ejector pin, the sleeve, the spring and the ejector frame, solves the problem that the part is difficult to take out after processing and is adhered to the inner wall of the forming cavity, and improves the working efficiency of operators.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a disassembly assembly according to the present utility model;

FIG. 3 is a schematic view of the upper mold structure of the present utility model;

FIG. 4 is a partial cross-sectional view of the structure of the present utility model;

fig. 5 is a cross-sectional view of the lower die structure of the present utility model.

In the figure: 1. a bottom plate; 2. a support plate; 3. a top plate; 4. an upper mounting plate; 5. an upper die; 6. a mounting assembly; 61. rectangular grooves; 62. a two-way threaded rod; 63. a hand wheel; 64. a driving wheel; 65. a transmission belt; 66. an L-shaped clamping plate; 7. positioning columns; 8. positioning holes; 9. a guide rod; 10. a hydraulic cylinder; 11. a lifting plate; 12. a lower mounting plate; 13. a lower die; 14. a mating hole; 15. a thimble; 16. a sleeve; 17. a spring; 18. and a top frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a mould closing device, including bottom plate 1, bottom plate 1 upper surface and four symmetrical backup pad 2 welded fastening, backup pad 2 top and roof 3 welded fastening, roof 3 surface and last mounting panel 4 butt, go up mounting panel 4 bottom surface and last mould 5 welded fastening, set up mounting assembly 6 on the roof 3, top plate 3 upper surface and four symmetrical reference column 7 welded fastening, set up locating hole 8 on the last mounting panel 4, locating hole 8 and reference column 7 activity grafting, bottom plate 1 upper surface and two symmetrical guide arm 9 welded fastening, bottom plate 1 upper surface and pneumatic cylinder 10 bottom surface fixed connection, the output and the lifter plate 11 welded fastening of pneumatic cylinder 10, lifter plate 11 passes through circular through hole and guide arm 9 sliding connection, lifter plate 11 upper surface and lower mounting panel 12 butt, lower mounting panel 12 upper surface and lower mould 13 welded fastening, set up mating hole 14 inside lower mould 13, the inside setting and thimble 15 sliding connection of mating hole 14, thimble 15 bottom and sleeve 16 threaded connection, spring 17 is established to the outside the cover, bottom plate 1 upper surface and roof 18 welded fastening.

The mounting assembly 6 comprises a rectangular groove 61, a bidirectional threaded rod 62, a hand wheel 63, a driving wheel 64, a driving belt 65 and an L-shaped clamping plate 66, wherein two symmetrical rectangular grooves 61 are formed in the top plate 3, the inner wall of each rectangular groove 61 is rotationally connected with the outer side of the bidirectional threaded rod 62, one end of each bidirectional threaded rod 62 extends to the outer side of the top plate 3 and is fixedly connected with the hand wheel 63, the other end of each bidirectional threaded rod 62 extends to the outer side of the top plate 3 and is fixedly connected with the driving wheel 64, the driving belt 65 is arranged on the outer side of the driving wheel 64, and the L-shaped clamping plate 66 is arranged on the outer side of each bidirectional threaded rod 62. The number of the two-way threaded rods 62 and the number of the driving wheels 64 are two, the driving belt 65 connects the two driving wheels 64, opposite threads are arranged on two sides of the two-way threaded rods 62, L-shaped clamping plates 66 are respectively located on two sides of the two-way threaded rods 62 and are symmetrically distributed, and the side faces of the L-shaped clamping plates 66 are in threaded connection with the two-way threaded rods 62 through threaded holes.

In this embodiment, the hand wheel 63 is rotated to rotate the bidirectional threaded rod 62, so that the L-shaped clamping plates 66 on two sides further move from two ends of the rectangular groove 61 to the middle, and since the L-shaped clamping plates 66 are L-shaped, the upper mounting plate 4 can be fixed on the upper surface of the top plate 3, the positioning holes 8 on the upper mounting plate 4 are inserted into the outer sides of the positioning columns 7, and the upper mounting plate 4 is further positioned, so that the upper die 5 can be conveniently and fixedly installed, and if the upper die is required to be disassembled, the upper die is otherwise identical.

The top of the top plate 3 is provided with a rectangular through hole for placing the upper die 5, and the upper die 5 is positioned between two symmetrical guide rods 9. The upper surfaces of the top plate 3 and the lifting plate 11 are fixedly connected with four mutually symmetrical positioning columns 7, four positioning holes 8 are formed in the upper mounting plate 4 and the lower mounting plate 12, the positioning holes 8 are movably inserted into the positioning columns 7, and the lifting plate 11 is also provided with a mounting assembly 6. The upper surface of the lower mounting plate 12 is provided with a circular through hole for sliding the thimble 15, the inner diameter size of the matching hole 14 is larger than that of the circular through hole, the thimble 15 consists of two cylinders with different sizes, and the bottom of the thimble 15 extends to the lower part of the lifting plate 11 to be in threaded connection with a threaded hole in the sleeve 16.

In this embodiment, the lifting plate 11 is lifted by driving the hydraulic cylinder 10, lifting of the lifting plate 11 is limited by the guide rod 9, accurate die assembly of the upper die 5 and the lower die 13 is ensured, after die assembly of the lower die 13 is completed, the hydraulic cylinder 10 is driven to move downwards until the bottom of the sleeve 16 contacts with the top surface of the top frame 18, and then the lower die 13 moves downwards further, so that upward thrust is generated to enable the ejector pins 15 to move upwards, parts inside the lower die 13 are ejected out, and the situation that the parts are difficult to take out after being attached to the inside of the lower die 13 is avoided.

Working principle: when a worker uses the die, the hydraulic cylinder 10 is driven to push the lifting plate 11 to move upwards until the lower die 13 and the upper die 5 are clamped, and then the die 13 is reset through the hydraulic cylinder 10 after the die is finished, the ejector pins 15 are driven to synchronously descend in the descending process of the lower die 13, upward thrust is generated when the bottoms of the ejector pins 15 are contacted with the top frame 18, the springs 17 are further compressed and simultaneously push the ejector pins 15 to move upwards, so that parts in the molding cavity of the lower die 13 are ejected out, the worker can conveniently take the parts, and when the lower die 13 moves upwards, the ejector pins 15 are fixed in the matched holes 14 by using the downward elasticity of the springs 17, so that the die clamping process is prevented from being influenced by the ejector pins 15; when the upper die 5 or the lower die 13 needs to be replaced, the hand wheel 63 is rotated to enable the L-shaped clamping plates 66 on two sides to synchronously move outwards until the L-shaped clamping plates 66 are separated from the upper mounting plate 4 or the lifting plate 11, and the upper die 5 or the lower die 13 can be taken out.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Mould closing device, including bottom plate (1), its characterized in that: bottom plate (1) upper surface and backup pad (2) fixed connection, backup pad (2) top and roof (3) fixed connection, be provided with mounting panel (4) on roof (3), go up mounting panel (4) bottom surface and last mould (5) fixed connection, be provided with installation component (6) on roof (3), roof (3) upper surface and reference column (7) fixed connection, set up locating hole (8) on last mounting panel (4), bottom plate (1) upper surface and guide arm (9) fixed connection of two symmetries, bottom plate (1) upper surface fixed mounting has pneumatic cylinder (10), the output and lifter plate (11) fixed connection of pneumatic cylinder (10), lifter plate (11) upper surface is provided with mounting panel (12) down, mounting panel (12) upper surface and lower mould (13) fixed connection, inside mating holes (14) of seting up of lower mould (13), mating holes (14) inside are provided with thimble (15), thimble (15) bottom and sleeve (16) are connected with top plate (17), top plate (17) outside screw thread (18) are established.

2. A mold clamping apparatus according to claim 1, wherein: rectangular through holes for placing the upper die (5) are formed in the top of the top plate (3), and the upper die (5) is located between two symmetrical guide rods (9).

3. A mold clamping apparatus according to claim 1, wherein: the mounting assembly (6) comprises a rectangular groove (61), a bidirectional threaded rod (62), a hand wheel (63), a driving wheel (64), a driving belt (65) and an L-shaped clamping plate (66), wherein two symmetrical rectangular grooves (61) are formed in the top plate (3), the inner wall of the rectangular groove (61) is rotationally connected with the outer side of the bidirectional threaded rod (62), one end of the bidirectional threaded rod (62) extends to the outer side of the top plate (3) to be fixedly connected with the hand wheel (63), the other end of the bidirectional threaded rod (62) extends to the outer side of the top plate (3) to be fixedly connected with the driving wheel (64), the driving belt (65) is arranged on the outer side of the driving wheel (64), and the L-shaped clamping plate (66) is arranged on the outer side of the bidirectional threaded rod (62).

4. A mold clamping apparatus according to claim 3, wherein: the two-way threaded rod (62) and the two driving wheels (64) are two in number, the driving belt (65) is used for connecting the two driving wheels (64), opposite threads are arranged on two sides of the two-way threaded rod (62), L-shaped clamping plates (66) are respectively located on two sides of the two-way threaded rod (62) and symmetrically distributed, and the side faces of the L-shaped clamping plates (66) are in threaded connection with the two-way threaded rod (62) through threaded holes.

5. A mold clamping apparatus according to claim 1, wherein: the lifting device is characterized in that the upper surfaces of the top plate (3) and the lifting plate (11) are fixedly connected with four mutually symmetrical positioning columns (7), four positioning holes (8) are formed in the upper mounting plate (4) and the lower mounting plate (12), the positioning holes (8) are movably inserted into the positioning columns (7), and the lifting plate (11) is also provided with a mounting assembly (6).

6. A mold clamping apparatus according to claim 1, wherein: the circular through hole for sliding the thimble (15) is formed in the upper surface of the lower mounting plate (12), the inner diameter size of the matching hole (14) is larger than that of the circular through hole, the thimble (15) is composed of two cylinders with different sizes, and the bottom of the thimble (15) extends to the lower portion of the lifting plate (11) to be in threaded connection with a threaded hole in the sleeve (16).