CN222135776U

CN222135776U - Mould forming structure of PET product

Info

Publication number: CN222135776U
Application number: CN202420665467.7U
Authority: CN
Inventors: 张跃宏
Original assignee: Tianhao New Materials Technology Huizhou Co ltd
Current assignee: Tianhao New Materials Technology Huizhou Co ltd
Priority date: 2024-04-02
Filing date: 2024-04-02
Publication date: 2024-12-10
Anticipated expiration: 2034-04-02

Abstract

The utility model relates to the field of mold technology, in particular to a mold forming structure for a PET product, comprising a workbench, wherein the upper end of the workbench is provided with two support frames, an upper mold and a lower mold are slidably connected on the two support frames, a demoulding mechanism and a material discharge mechanism are provided on the lower mold, and the upper mold and the lower mold are moved by a driving mechanism; in the utility model, when the lower mold moves downward, roller one conflicts with wedge block two, pushes the connecting block to move, and drives wedge block one to move, and at the same time, roller two conflicts with wedge block one, moves through wedge block one, and drives the connecting plate to move upward, and then drives the top plate to demould the plate; secondly, in the utility model, when the lower mold descends, gear two is meshed and connected with rack two, drives the rotating shaft to rotate, and then drives gear one to rotate, and drives rack one to move, and the movement of rack one drives the push plate to move, thereby pushing the plate for material discharge.

Description

Mould forming structure of PET product

Technical Field

The utility model relates to the technical field of dies, in particular to a die forming structure of a PET product.

Background

PET, which is known as polyethylene terephthalate, is a thermoplastic polyester material having various advantages such as high strength, high rigidity, good abrasion resistance, high transparency, good chemical stability, air tightness and easy processability, which have led to the wide application of PET in the fields of packaging, fibers, films, engineering plastics, etc.

During processing, the PET panel is used the mould to carry out injection molding processing generally, like chinese patent publication No. "CN219543885U" discloses a PET decoration panel mould, relates to mould technical field, including cope match-plate pattern and lower bolster, the outside of lower bolster is provided with two corresponding support columns, the front end of support column is provided with the water pump, the inside of lower bolster has been seted up and has been held the chamber, the inside that holds the chamber is provided with cooling demoulding mechanism, the top of lower bolster is provided with the joint groove, the bottom fixedly connected with joint piece of cope match-plate pattern, and joint piece and joint groove looks adaptation, the opposite side swing joint of support column has actuating mechanism.

PET panel is usually through last mould and bed die centre gripping processing of moulding plastics, however, because current most mould can't realize automatic unloading, needs the manual work to get the board in the production process, has increased the human cost, has influenced production efficiency.

Disclosure of utility model

The utility model aims to solve the problem that automatic blanking cannot be realized in the prior art, and provides a die forming structure of a PET product.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a mould shaping structure of PET product, includes the workstation, the upper end of workstation is provided with two support frames, two sliding connection has last mould and bed die on the support frame, be provided with demoulding mechanism and unloading mechanism on the bed die, it removes through actuating mechanism to go up mould and bed die, be provided with on the workstation and dodge the groove, the lower extreme of workstation is provided with four landing legs at least;

The demoulding mechanism comprises a top plate, the top plate is in sliding connection with the lower mould, two connecting rods are arranged at the lower end of the top plate, the connecting rods penetrate through the lower mould and are provided with connecting plates at the end parts, and reset springs are arranged on the surfaces of the connecting rods.

Further, the lower extreme of bed die is provided with the fixing base, sliding connection has the connecting block on the fixing base, the both ends of connecting block are provided with gyro wheel one and wedge one respectively, the upper end of workstation is provided with wedge two, wedge two is inconsistent with gyro wheel one, be provided with gyro wheel two on the connecting plate, gyro wheel two is inconsistent with wedge one.

Further, the blanking mechanism comprises a mounting seat, a first rack is connected to the mounting seat in a sliding mode, a support is further arranged on the mounting seat, a rotating shaft is connected to the support in a rotating mode, a first gear and a second gear are respectively arranged at two ends of the rotating shaft, and the first gear is connected with the first rack in a meshed mode.

Further, one end of the first rack is provided with a push plate, the lower end of the workbench is provided with a second rack, a through hole is formed in the mounting seat, a guide rod is connected in the through hole in a sliding mode, and one end of the guide rod is fixedly connected with the push plate.

Further, a spring is arranged at one end of the push plate, a fixed block is arranged at the upper end of the mounting seat, and one end of the spring is fixedly connected with the fixed block.

Further, the driving mechanism comprises a sliding rod and a positive and negative screw rod, the positive and negative screw rod is rotationally connected with the supporting frame, one end of the positive and negative screw rod penetrates through the supporting frame and is provided with a driving motor at the end part, the upper die and the lower die are in threaded connection with the positive and negative screw rod, and the sliding rod is in sliding connection with the upper die and the lower die.

The die forming structure of the PET product has the beneficial effects that when the lower die moves downwards, the first roller is abutted against the wedge block to push the connecting block to move and drive the first wedge block to move, and meanwhile, the second roller is abutted against the first wedge block to move and drive the connecting plate to move upwards through the first wedge block so as to drive the top plate to demould the plate;

secondly, in the utility model, when the lower die descends, the second gear is meshed with the second rack to drive the rotating shaft to rotate, so that the first gear is driven to rotate, the first rack is driven to move to push the push plate to move, and the plate is pushed to carry out blanking.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the area A of FIG. 1 according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the stripping mechanism of the present utility model.

In the drawing, 1, a workbench, 11, a support frame, 12, an upper die, 13, a lower die, 14, an avoidance groove, 15, a supporting leg, 2, a demoulding mechanism, 21, a top plate, 22, a connecting rod, 23, a connecting plate, 24, a reset spring, 25, a fixed seat, 26, a connecting block, 261, a roller I, 262, a wedge I, 263, a wedge II, 264, a roller II, 3, a blanking mechanism, 31, a mounting seat, 32, a rack I, a bracket, 331, a rotating shaft, 332, a gear I, 333, a gear II, 34, a push plate, 35, a rack II, 36, a guide rod, 37, a spring, 38, a fixed block, 4, a driving mechanism, 41, a slide bar, 42, a positive and negative screw rod, 43 and a driving motor.

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.

Referring to fig. 1-3, a mold forming structure of a PET product comprises a workbench 1, wherein two supporting frames 11 are arranged at the upper end of the workbench 1, an upper mold 12 and a lower mold 13 are connected to the two supporting frames 11 in a sliding manner, a demolding mechanism 2 and a blanking mechanism 3 are arranged on the lower mold 13, the upper mold 12 and the lower mold 13 move through a driving mechanism 4, an avoidance groove 14 is arranged on the workbench 1, and at least four supporting legs 15 are arranged at the lower end of the workbench 1, and the upper mold 12 and the lower mold 13 are driven to move in opposite directions through the driving mechanism 4. When injection molding is completed, the lower die 13 moves downwards, and drives the demolding mechanism 2 to demold the plate, and then the demolded plate is subjected to blanking through the blanking mechanism 3, and the extrusion of the demolding mechanism 2 when the lower die 13 descends can be prevented through the avoiding groove 14, so that damage is avoided;

The demolding mechanism 2 comprises a top plate 21, the top plate 21 is slidably connected with the lower mold 13, two connecting rods 22 are arranged at the lower end of the top plate 21, the connecting rods 22 penetrate through the lower mold 13 and are provided with connecting plates 23 at the end parts, and return springs 24 are arranged on the surfaces of the connecting rods 22.

Further, a fixed seat 25 is provided at the lower end of the lower die 13, a connecting block 26 is slidably connected to the fixed seat 25, a roller one 261 and a wedge one 262 are provided at two ends of the connecting block 26, a wedge two 263 is provided at the upper end of the workbench 1, the wedge two 263 is abutted against the roller one 261, a roller two 264 is provided on the connecting plate 23, the roller two 264 is abutted against the wedge one 262, when the lower die 13 moves downwards, the roller one 261 is abutted against the wedge two 263, the connecting block 26 is pushed to move and the wedge one 262 is driven to move, meanwhile, the roller two 264 is abutted against the wedge one 262, the connecting plate 23 is driven to move upwards, and the top plate 21 is driven to demold the plate.

Still further, the discharging mechanism 3 includes a mounting seat 31, a rack one 32 is slidably connected to the mounting seat 31, a support 33 is further provided on the mounting seat 31, a rotating shaft 331 is rotatably connected to the support 33, two ends of the rotating shaft 331 are respectively provided with a gear one 332 and a gear two 333, and the gear one 332 is engaged with the rack one 32.

The first rack 32 has a push plate 34 at one end, the second rack 35 is disposed at the lower end of the table 1, a through hole is disposed in the mounting seat 31, a guide rod 36 is slidably connected in the through hole, and the push plate 34 is fixedly connected at one end of the guide rod 36.

In addition, a spring 37 is disposed at one end of the push plate 34, a fixed block 38 is disposed at the upper end of the mounting seat 31, one end of the spring 37 is fixedly connected with the fixed block 38, and when the lower die 13 rises, the elastic force of the spring 37 will pull the push plate 34 to reset, so as to prevent the upper die 12 from extruding to the blanking mechanism 3, thereby avoiding damaging the blanking mechanism.

The driving mechanism 4 includes a slide bar 41 and a positive and negative screw 42, the positive and negative screw 42 is rotatably connected with the support frame 11, one end of the positive and negative screw 42 passes through the support frame 11 and is provided with a driving motor 43 at the end, the upper die 12 and the lower die 13 are in threaded connection with the positive and negative screw 42, the slide bar 41 is in sliding connection with the upper die 12 and the lower die 13 is in sliding connection with the positive and negative screw 42, and the positive and negative screw 42 is driven to rotate by the driving motor 43 so as to drive the upper die 12 and the lower die 13 to move in opposite directions.

In operation, the driving motor 43 drives the positive and negative screw rod 42 to rotate, so as to drive the upper die 12 and the lower die 13 to move in opposite directions, after pouring is completed, when the lower die 13 moves downwards, the roller I261 is abutted against the wedge II 263, the connecting block 26 is pushed to move, the wedge I262 is driven to move, meanwhile, the roller II 264 is abutted against the wedge I262, the connecting plate 23 is driven to move upwards, the top plate 21 is driven to demold the plate, meanwhile, the gear II 333 is meshed with the rack II 35, the rotating shaft 331 is driven to rotate, the gear I332 is driven to rotate, the rack I32 is driven to move, the pushing plate 34 is driven to move, the plate is pushed to perform blanking, and the demolding mechanism 2 can be prevented from being extruded when the lower die 13 descends through the avoidance groove 14, so that damage is avoided.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a mould shaping structure of PET product, includes workstation (1), wherein the upper end of workstation (1) is provided with two support frames (11), two sliding connection has last mould (12) and bed die (13) on support frame (11), be provided with demoulding mechanism (2) and unloading mechanism (3) on bed die (13), go up mould (12) and bed die (13) and pass through actuating mechanism (4) and remove, be provided with on workstation (1) and dodge groove (14), the lower extreme of workstation (1) is provided with four landing legs (15) at least;

The demolding mechanism (2) comprises a top plate (21), the top plate (21) is slidably connected with the lower mold (13), two connecting rods (22) are arranged at the lower end of the top plate (21), the connecting rods (22) penetrate through the lower mold (13) and are provided with connecting plates (23) at the end parts, and reset springs (24) are arranged on the surfaces of the connecting rods (22).

2. The structure for forming the PET product mold according to claim 1, wherein a fixed seat (25) is arranged at the lower end of the lower mold (13), a connecting block (26) is connected to the fixed seat (25) in a sliding manner, a first roller (261) and a first wedge (262) are respectively arranged at two ends of the connecting block (26), a second wedge (263) is arranged at the upper end of the workbench (1), the second wedge (263) is in contact with the first roller (261), a second roller (264) is arranged on the connecting plate (23), and the second roller (264) is in contact with the first wedge (262).

3. The structure for molding a PET product mold according to claim 1, wherein the blanking mechanism (3) comprises a mounting seat (31), a first rack (32) is slidably connected to the mounting seat (31), a support (33) is further arranged on the mounting seat (31), a rotating shaft (331) is rotatably connected to the support (33), a first gear (332) and a second gear (333) are respectively arranged at two ends of the rotating shaft (331), and the first gear (332) is in meshed connection with the first rack (32).

4. The structure for molding a PET product mold according to claim 3, wherein a push plate (34) is disposed at one end of the first rack (32), a second rack (35) is disposed at the lower end of the working table (1), a through hole is disposed in the mounting seat (31), a guide rod (36) is slidably connected in the through hole, and the push plate (34) is fixedly connected at one end of the guide rod (36).

5. The structure for molding a PET product according to claim 4, wherein a spring (37) is provided at one end of the push plate (34), a fixing block (38) is provided at the upper end of the mounting base (31), and one end of the spring (37) is fixedly connected with the fixing block (38).

6. The structure for molding a PET product mold according to claim 1, wherein the driving mechanism (4) comprises a slide bar (41) and a positive and negative screw rod (42), the positive and negative screw rod (42) is rotationally connected with the support frame (11), one end of the positive and negative screw rod (42) passes through the support frame (11) and is provided with a driving motor (43) at the end, the upper mold (12) and the lower mold (13) are in threaded connection with the positive and negative screw rod (42), and the slide bar (41) is in sliding connection with the upper mold (12) and the lower mold (13) is in sliding connection with the positive and negative screw rod (42).