CN220464462U - Demolding ejection mechanism for glass fiber reinforced plastic grille production - Google Patents

Abstract

The utility model relates to a demolding ejection mechanism for producing a glass fiber reinforced plastic grille, which comprises a mold, wherein a forming chamber is arranged on the mold, a driving chamber is arranged in the mold, a double-shaft motor is arranged in the driving chamber, two driving ends of the double-shaft motor are respectively provided with a double-shaft screw rod, each double-shaft screw rod is respectively connected with two movable seats in a threaded manner, each movable seat is in sliding connection with the driving chamber through a track structure, the upper ends of the movable seats are connected with supporting rods in a connecting manner, the upper ends of the supporting rods are hinged with ejector blocks, the ejector blocks are in sliding connection with a supporting plate through the track structure, the lower ends of the supporting plates are provided with four limit posts, the two supporting rods are in rotary connection, a top plate is movably arranged in the forming chamber, two mounting seats are respectively arranged on one side adjacent to the top plate and one side adjacent to the supporting plate, an ejector rod is arranged between the two mounting seats corresponding to each other, the four ejector blocks can push the supporting plates upwards, the stability is improved, the ejector rods are convenient to replace, and meanwhile, the air pressure between the top plate and the mold can be kept balanced with the air pressure outside.

Description

Demolding ejection mechanism for glass fiber reinforced plastic grille production

Technical Field

The utility model relates to the technical field of glass fiber reinforced plastic grid production, in particular to a demolding ejection mechanism for glass fiber reinforced plastic grid production.

Background

The glass fiber reinforced plastic grille, also called glass fiber reinforced plastic grille board, is a plate material with many blank spaces, which is made up by using glass fiber as reinforcing material and unsaturated polyester resin as matrix and making them pass through a special processing and compounding process. In the production process of the glass fiber reinforced plastic grating, the raw materials are required to be placed into a mold, and after the raw materials are cooled and solidified, the demolding ejection mechanism ejects the molded glass fiber reinforced plastic grating from the mold.

When the existing demoulding ejection mechanism for producing the glass fiber reinforced plastic grids operates, an air cylinder or a hydraulic column is often used for driving a supporting plate and a plurality of ejector rods to move upwards, so that the formed glass fiber reinforced plastic grids are ejected and demoulded, but when the air cylinder or the hydraulic column is used for ejecting and demoulded, the stability of the air cylinder or the hydraulic column is poor, the phenomenon that one side of the supporting plate is higher and the other side is lower frequently occurs in actual use, so that the heights of the plurality of ejector rods are different, and the demoulding failure of the glass fiber reinforced plastic grids is caused; secondly, because the stroke of the supporting plate is longer in the ejection and demolding process of the glass fiber reinforced plastic grating, the supporting plate is overlong, the supporting plate is easy to deform in the long-time use process, and the supporting plate are required to be replaced together when the supporting plate is deformed and damaged due to the fact that the supporting plate is usually fixedly connected with the supporting plate in the existing ejection and demolding ejection mechanism for producing the glass fiber reinforced plastic grating, so that resources are wasted and the investment of cost is increased; in addition, in the use of the existing demoulding ejection mechanism for glass fiber reinforced plastic grille production, as the formed glass fiber reinforced plastic grille is tightly attached to the inner wall of the mould, a vacuum cavity is formed between the formed glass fiber reinforced plastic grille and the inner wall of the mould when the formed glass fiber reinforced plastic grille is ejected out, and the ejector mechanism is difficult to eject the formed glass fiber reinforced plastic grille under the action of external atmospheric pressure, so that the working efficiency of ejecting and demoulding of the formed glass fiber reinforced plastic grille is reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a demoulding ejection mechanism for glass fiber reinforced plastic grid production, which solves the problem that when the existing demoulding ejection mechanism for glass fiber reinforced plastic grid production operates, a cylinder or a hydraulic column is often used for driving a supporting plate and a plurality of ejector rods to move upwards, and in actual use, one side of the supporting plate is always higher, the other side is lower, so that the heights of the plurality of ejector rods are different, and the demoulding of the glass fiber reinforced plastic grid fails.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a glass steel grid production is with drawing of patterns ejection mechanism, includes the mould, be equipped with the shaping room on the mould, be equipped with the drive chamber in the mould, be equipped with the biax motor in the drive chamber, two drive ends of biax motor are equipped with two bi-directional screw respectively, two bi-directional screw rotates with the drive chamber respectively to be connected, every respectively threaded connection has two movable seats on the bi-directional screw, every movable seat passes through track structure and drive chamber sliding connection, movable seat upper end cross connection has the bracing piece, bracing piece upper end hinge connection has the kicking block, the kicking block has the backup pad through track structure sliding connection, the backup pad lower extreme is equipped with four spacing posts, every spacing post is taken out with the mould and is inserted and is connected, the activity is equipped with the roof between two adjacent one side of roof and backup pad is equipped with two mount pads respectively, installs the ejector pin between the mount pad, the ejector pin both ends are equipped with the installation component respectively, and four kicking blocks of accessible biax motor drive upwards to promote simultaneously for the backup pad can be stable upward removal, the backup pad has been equipped with four spacing posts, has avoided the high side of the glass steel grid of the same drawing of patterns to take out effect simultaneously, has avoided the high side of the glass steel grid to take out the drawing of patterns simultaneously.

In a further preferred aspect, a placement hole matched with the mounting seat is formed at the lower end of the forming chamber, so that the mounting seat can be placed conveniently.

In a further preferred embodiment, the mounting assembly includes a fixing chamber disposed in the ejector rod, a limiting rod is disposed in the fixing chamber, and two moving plates are movably disposed on the limiting rod, so that the moving plates can move conveniently.

In a further preferred embodiment, a spring is disposed between the two moving plates, and the spring is movably sleeved on the outer side of the limiting rod, so as to facilitate pushing of the moving plates.

In a further preferred embodiment, the two moving plates are respectively provided with a fixing rod and a pressing rod on a far side, one end of each fixing rod penetrates through the fixing chamber to be connected with the mounting seat in a drawing and inserting mode, and one end of each pressing rod penetrates through the fixing chamber and extends to the outside of the fixing chamber, so that the fixing rods are connected with the mounting seat conveniently.

In a further preferred embodiment, the lower end of the top plate is movably provided with a lifting block, the top plate is provided with an opening matched with the lifting block, the lower end of the lifting block is provided with a lifting rod, the lower end of the lifting rod penetrates through the forming chamber and the supporting plate to be connected with a lifting plate, and the lower end of the forming chamber is provided with a through hole matched with the opening and the lifting rod so that the lifting block can conveniently move downwards.

In a further preferred embodiment, two electric push rods are disposed at the lower end of the lifting plate, and the two electric push rods are disposed in the driving chamber, so as to facilitate driving the lifting plate to move downwards.

In a further preferred embodiment, the two sides of the driving chamber are respectively provided with an air inlet, one side of the driving chamber is hinged with an access door, so that outside air is convenient to enter the driving chamber, and meanwhile, the ejector rod is convenient to overhaul and replace.

(III) beneficial effects

Compared with the prior art, the utility model provides a demolding ejection mechanism for producing glass fiber reinforced plastic grids, which has the following beneficial effects:

1. according to the utility model, through the cooperation of the mould, the forming chamber, the driving chamber, the double-shaft motor, the bidirectional screw, the moving seat, the supporting rods, the ejector blocks, the supporting plates, the limiting columns, the top plates, the mounting seats and the ejector rods, the four ejector blocks can be driven by one double-shaft motor to push the supporting plates upwards at the same time, so that the supporting plates can stably move upwards under the limit of the limiting columns, the phenomenon that one side is lower than the other side is avoided, the stability is improved, and the upward moving heights of the ejector rods are the same, so that the formed glass fiber reinforced plastic grating is demolded, the demolding effect is ensured, the working efficiency of the glass fiber reinforced plastic grating is improved, the impact force of the ejector rods on the formed glass fiber reinforced plastic grating can be reduced by the top plates arranged at the upper ends of the ejector rods, and the formed glass fiber reinforced plastic grating is prevented from being damaged in the demolding and ejection process.

2. According to the utility model, the mounting seat, the ejector rod, the fixing chamber, the limiting rod, the moving plate, the spring, the fixing rod and the pressing rod are matched, so that when the ejector rod is deformed and damaged, the ejector rod can be independently and quickly replaced without replacing the supporting plate, resources are saved, the maintenance cost is saved, and meanwhile, the replacement method is simple and quick, and the working efficiency of the ejector rod maintenance is improved.

3. According to the utility model, the top plate, the lifting block, the opening, the lifting rod, the lifting plate, the through hole, the electric push rod, the air inlet and the access door are matched, so that the opening can be opened when the glass fiber reinforced plastic grille is ejected, the air pressure between the top plate and the die is balanced with the air pressure of the outside, a vacuum cavity is prevented from being formed between the formed glass fiber reinforced plastic grille and the inner wall of the die, the whole ejection mechanism is convenient for ejecting the formed glass fiber reinforced plastic grille, and the ejection and ejection working efficiency of the formed glass fiber reinforced plastic grille is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a demolding and ejection mechanism for producing a glass fiber reinforced plastic grille;

FIG. 2 is a schematic view of a cross-sectional structure of a driving chamber and a connecting part thereof according to the present utility model;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of a section of a mold and its connecting parts in the present utility model;

fig. 5 is a schematic sectional view of a part of a mounting base and a connecting part thereof according to the present utility model.

In the figure: 1. a mold; 2. a forming chamber; 3. a driving chamber; 4. a biaxial motor; 5. a bidirectional screw; 6. a movable seat; 7. a support rod; 8. a top block; 9. a support plate; 10. a limit column; 11. a top plate; 12. a mounting base; 13. a push rod; 14. placing the hole; 15. a stationary chamber; 16. a limit rod; 17. a moving plate; 18. a spring; 19. a fixed rod; 20. pressing a pressing rod; 21. a lifting block; 22. opening holes; 23. a lifting rod; 24. a lifting plate; 25. a through hole; 26. an electric push rod; 27. an air inlet hole; 28. an access door.

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.

Embodiment one:

referring to fig. 1-5, a demolding ejection mechanism for producing a glass fiber reinforced plastic grille comprises a mold 1, wherein a forming chamber 2 is arranged on the mold 1, a driving chamber 3 is arranged in the mold 1, a double-shaft motor 4 is arranged in the driving chamber 3, two driving ends of the double-shaft motor 4 are respectively provided with two bidirectional screws 5, the two bidirectional screws 5 are respectively connected with the driving chamber 3 in a rotating manner, each bidirectional screw 5 is respectively connected with two movable seats 6 in a threaded manner, each movable seat 6 is in sliding connection with the driving chamber 3 through a track structure, the upper ends of the movable seats 6 are connected with a supporting rod 7 in a connecting manner, the upper ends of the supporting rods 7 are hinged with a top block 8, the top block 8 is connected with a supporting plate 9 in a sliding manner through the track structure, four limiting columns 10 are arranged at the lower ends of the supporting plate 9, each limiting column 10 is connected with the mold 1 in a pulling manner, two adjacent supporting rods 7 are connected in a rotating manner, a top plate 11 is movably arranged in the forming chamber 2, two mounting seats 12 are respectively arranged on adjacent sides of the top plate 11 and the supporting plate 9, a top rod 13 is respectively arranged between the two mounting seats 12 corresponding up and down.

In this embodiment, the lower end of the forming chamber 2 is provided with a placement hole 14 matched with the mounting seat 12, and when the mounting seat 12 moves upwards from the placement hole 14 to the forming chamber 2, the mounting seat 12 drives the top plate 11 to move upwards.

In this embodiment, the installation component includes a fixed chamber 15 disposed in the ejector rod 13, a limiting rod 16 is disposed in the fixed chamber 15, two moving plates 17 are movably disposed on the limiting rod 16, and the two moving plates 17 can move along the limiting rod 16.

In this embodiment, a spring 18 is provided between the two moving plates 17, the spring 18 is movably sleeved outside the limit lever 16, and when the distance between the two moving plates 17 is shortened, the spring 18 is compressed.

In this embodiment, the two moving plates 17 are respectively provided with a fixing rod 19 and a pressing rod 20 on the far side, one end of the fixing rod 19 passes through the fixing chamber 15 and is connected with the mounting seat 12 in a drawing and inserting manner, one end of the pressing rod 20 passes through the fixing chamber 15 and extends to the outside of the fixing chamber 15, and meanwhile, the two pressing rods 20 are pressed, and the two pressing rods 20 respectively drive the two moving plates 17 and the two fixing rods 19 to move towards adjacent directions.

In this embodiment, the lower end of the top plate 11 is movably provided with a lifting block 21, the top plate 11 is provided with an opening 22 matched with the lifting block 21, the lower end of the lifting block 21 is provided with a lifting rod 23, the lower end of the lifting rod 23 passes through the forming chamber 2 and the supporting plate 9 to be connected with a lifting plate 24, the lower end of the forming chamber 2 is provided with a through hole 25 matched with the opening 22 and the lifting rod 23, and when the lifting rod 23 moves downwards, the lifting rod 23 drives the lifting block 21 to move downwards and move out of the opening 22.

In this embodiment, two electric push rods 26 are disposed at the lower end of the lifting plate 24, the two electric push rods 26 are disposed in the driving chamber 3, and the two electric push rods 26 are started at the same time, and the two electric push rods 26 drive the lifting plate 24 to move downwards.

In this embodiment, the two sides of the driving chamber 3 are respectively provided with an air inlet 27, one side of the driving chamber 3 is hinged with an access door 28, the interior of the driving chamber 3 is communicated with the outside through the two air inlet 27, and the access door 28 is opened to overhaul and replace the ejector rod 13.

Embodiment two:

in summary, when the glass fiber reinforced plastic grille is produced, raw materials are put into the forming chamber 2 of the die 1, at the moment, the lifting block 21 is arranged in the opening 22, the upper end of the lifting block 21 and the upper end of the top plate 11 are on the same horizontal line, the raw materials entering the forming chamber 2 can be cooled and formed at the upper end of the top plate 11, after forming, two electric push rods 26 are started simultaneously, the two electric push rods 26 drive the lifting plate 24 to move downwards, the lifting plate 24 drives the lifting rod 23 and the lifting block 21 to move downwards, so that the lifting block 21 moves out of the opening 22, at the moment, the top plate 11 and the die 1 are communicated with the outside through the opening 22, the through hole 25 and the air inlet 27, so that the air pressure between the top plate 11 and the die 1 is balanced with the air pressure of the outside, the double-shaft motor 4 is started, the double-shaft motor 4 drives the two double-shaft screws 5 to rotate simultaneously, the two-way screw 5 is provided with two thread areas in opposite directions, the rotation of each two-way screw 5 drives two movable seats 6 to move along the direction adjacent to the sliding connection position of the driving chamber 3, the movable seats 6 drive one end of each supporting rod 7 to rotate around the hinged connection position of the movable seat 6, the other end of each supporting rod rotates around the hinged connection position of the corresponding supporting rod 8, the supporting rods 7 drive the corresponding supporting rods 8 to move along the sliding connection position of the corresponding supporting rods 9, the supporting rods 7 push the corresponding supporting rods 8 upwards while rotating, the supporting rods 8 push the corresponding supporting plates 9 upwards, the supporting plates 9 drive four limiting columns 10 to move upwards along the drawing and inserting connection position of the corresponding mold 1, the limiting columns 10 limit the supporting plates 9, and the supporting plates 9 drive the supporting rods 13, the mounting seats 12 at the upper ends of the supporting rods 13 and the top plates 11 to move upwards through the mounting seats 12, so that the top plates 11 eject the formed glass fiber reinforced plastic grating out of the forming chamber 2.

Embodiment III:

in sum, when the ejector pin 13 is used for a long time, when deformation damage occurs, the access door 28 is opened, two hands simultaneously press two pressing rods 20 at the upper ends of the two ejector pins 13 respectively, the two pressing rods 20 respectively drive two moving plates 17 and two fixing rods 19 to move towards adjacent directions, the two fixing rods 19 are separated from the mounting seat 12, the spring 18 is compressed, the double-shaft motor 4 is started, the supporting plate 9 is driven to move downwards through the bidirectional screw 5, the mounting seat 12 and the ejector block 8, the limiting column 10 limits the supporting plate 9, the supporting plate 9 drives the mounting seat 12 at the lower end of the ejector pin 13 and the ejector pin 13 to move downwards, the upper end of the ejector pin 13 is moved out of the mounting seat 12, the two pressing rods 20 at the lower end of the ejector pin 13 are pressed equally, the two fixing rods 19 are separated from the mounting seat 12, the ejector pin 13 is pulled upwards, the ejector pin 13 is moved out of the mounting seat 12, and accordingly the ejector pin 13 is detached, the replaced ejector pin 13 is subjected to the reverse operation, and the device can be installed.

In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.

Claims (8)

1. The utility model provides a demolding ejection mechanism for glass steel grid production, includes mould (1), be equipped with shaping room (2) on mould (1), its characterized in that, be equipped with driving chamber (3) in mould (1), be equipped with biax motor (4) in driving chamber (3), two drive ends of biax motor (4) are equipped with bi-directional screw rod (5) respectively, two bi-directional screw rod (5) are connected with driving chamber (3) rotation respectively, every respectively threaded connection has two movable seat (6) on bi-directional screw rod (5), every movable seat (6) pass through track structure and driving chamber (3) sliding connection, movable seat (6) upper end cross connection has bracing piece (7), bracing piece (7) upper end hinge connection has kicking block (8), kicking block (8) are equipped with backup pad (9) through track structure sliding connection, backup pad (9) lower extreme is equipped with four spacing post (10), every spacing post (10) are connected with mould (1) take out, and are connected between two adjacent bracing pieces (7) rotation, chamber (3) upper end cross connection has bracing piece (8) to be equipped with roof (11) respectively, an ejector rod (13) is arranged between the two mounting seats (12) which are vertically corresponding, and mounting assemblies are respectively arranged at two ends of the ejector rod (13).

2. The demolding ejection mechanism for glass fiber reinforced plastic grille production as claimed in claim 1, wherein: the lower end of the forming chamber (2) is provided with a placement hole (14) matched with the mounting seat (12).

3. The demolding ejection mechanism for glass fiber reinforced plastic grille production as claimed in claim 1, wherein: the mounting assembly comprises a fixed chamber (15) arranged in the ejector rod (13), a limiting rod (16) is arranged in the fixed chamber (15), and two movable plates (17) are movably arranged on the limiting rod (16).

4. A release ejection mechanism for glass fiber reinforced plastic grille production according to claim 3, wherein: a spring (18) is arranged between the two moving plates (17), and the spring (18) is movably sleeved on the outer side of the limiting rod (16).

5. The demolding ejection mechanism for glass fiber reinforced plastic grille production as claimed in claim 4, wherein: two movable plates (17) are respectively provided with a fixed rod (19) and a pressing rod (20) on one far side, one end of the fixed rod (19) penetrates through the fixed chamber (15) to be connected with the mounting seat (12) in a drawing and inserting mode, and one end of the pressing rod (20) penetrates through the fixed chamber (15) and extends to the outside of the fixed chamber (15).

6. The demolding ejection mechanism for glass fiber reinforced plastic grille production as claimed in claim 1, wherein: lifting blocks (21) are movably arranged at the lower ends of the top plates (11), holes (22) matched with the lifting blocks (21) are formed in the top plates (11), lifting rods (23) are arranged at the lower ends of the lifting blocks (21), lifting plates (24) are connected with the lower ends of the lifting rods (23) through forming chambers (2) and supporting plates (9), and through holes (25) matched with the holes (22) and the lifting rods (23) are formed in the lower ends of the forming chambers (2).

7. The demolding ejection mechanism for glass fiber reinforced plastic grille production as claimed in claim 6, wherein: two electric push rods (26) are arranged at the lower end of the lifting plate (24), and the two electric push rods (26) are arranged in the driving chamber (3).

8. The demolding ejection mechanism for glass fiber reinforced plastic grille production as claimed in claim 1, wherein: air inlets (27) are respectively formed in two sides of the driving chamber (3), and an access door (28) is hinged to one side of the driving chamber (3).