CN217803148U

CN217803148U - Synchronous band-type brake mechanism and two-plate injection molding machine

Info

Publication number: CN217803148U
Application number: CN202221433541.XU
Authority: CN
Inventors: 吴尚义; 刘平定; 孙晓波; 吴小廷; 袁中华; 杜呈表; 周清华; 郭保福
Original assignee: Borch Machinery Co Ltd
Current assignee: Borch Machinery Co Ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-15
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a synchronous contracting brake mechanism, which comprises a supporting plate, a top plate, a contracting brake driving device, a driving contracting brake plate, a driven contracting brake plate and at least one synchronous component, wherein the top plate is positioned above the supporting plate, and the top plate and the driven contracting brake plate are both fixed on a movable template; the driving holding gate plate and the driven holding gate plate are positioned between the supporting plate and the top plate, the driving holding gate plate and the driven holding gate plate are arranged oppositely and can move on the supporting plate, and the holding gate driving device can drive the driving holding gate plate to move towards the direction close to or away from the driven holding gate plate; along with the movement of the driving gate holding plate, each synchronous component can drive the driven gate holding plate to move in the direction opposite to the moving direction of the driving gate holding plate. The utility model also discloses a two board injection molding machines. The utility model discloses enable initiative embrace flashboard and driven contracting brake plate synchronous motion to prevent to produce striking and abnormal sound and avoid breaking down.

Description

Synchronous band-type brake mechanism and two-plate injection molding machine

Technical Field

The utility model relates to an injection moulding technique especially relates to a synchronous band-type brake mechanism and two board injection molding machines.

Background

The two-plate injection molding machine comprises a frame, a fixed template, a pull rod, a movable template, a mold locking driving device and a band-type brake mechanism, wherein the pull rod is arranged on the fixed template, a movable through hole is formed in the movable template, the pull rod penetrates through the movable through hole, the mold locking driving device is used for driving the movable template to move towards the direction close to or far away from the fixed template, the band-type brake mechanism is a nut for fixing the pull rod and the movable template, and the band-type brake mechanism needs to be switched on and off to enable the pull rod to be fixedly connected with and separated from the movable template due to the fact that mold opening and mold closing are needed. The contracting brake mechanism can lead to two contracting brake plates to move one first and then move because the friction force that two contracting brake plates that set up in opposite directions receive is inconsistent at the floodgate in-process that opens and shuts, thereby this can make two contracting brake plates uncontrollable produce striking and abnormal sound, makes contracting brake mechanism break down.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a synchronous band-type brake mechanism, which can make two band-type brake plates synchronously move and prevent the generation of impact and abnormal sound, and is beneficial to avoiding the occurrence of faults.

A second object of the utility model is to provide a two board injection molding machines that contain synchronous band-type brake mechanism.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a synchronous band-type brake mechanism comprising:

the top plate is positioned above the supporting plate, and the supporting plate and the top plate are both used for being connected with the movable template;

the driving holding gate plate and the driven holding gate plate are arranged between the supporting plate and the top plate, the driving holding gate plate and the driven holding gate plate are arranged oppositely and can move on the supporting plate, and the holding gate driving device is used for driving the driving holding gate plate to move towards the direction close to or away from the driven holding gate plate;

and each synchronizing component can drive the driven gate holding plate to move towards the direction opposite to the moving direction of the driving gate holding plate along with the movement of the driving gate holding plate.

Further, each synchronizing assembly all includes gear, initiative rack and driven rack embrace the flashboard with the initiative respectively, driven contracting brake plate is connected, the rotatable setting of gear is on layer board and/or roof and is connected with initiative rack, driven rack meshing respectively, along with the removal of flashboard is embraced in the initiative, the gear can rotate so that the driven flashboard of embracing can toward embracing the direction removal opposite with the initiative between initiative rack and the driven rack.

Further, still include fixed plate and guide bar, the fixed plate is used for fixed band-type brake drive arrangement, the guide bar is connected with the fixed plate and arranges along the initiative and embrace the moving direction of flashboard and driven flashboard, the driving is embraced the flashboard and is all slided on the guide bar with driven band-type flashboard.

Further, the quantity of guide bar is two, two the guide bar is parallel to each other and respectively with initiative embrace the top, the bottom sliding connection of flashboard and driven flashboard of embracing.

Further, be provided with the guide way that the moving direction of embracing the flashboard with driven along initiative on layer board and/or the roof arranged, the flashboard is embraced with the driven flashboard to initiative and driven flashboard can slide in the guide way.

Furtherly, be provided with the bolster on layer board and/or the roof, it all corresponds on the flashboard and the driven flashboard of embracing to embrace the floodgate initiatively is provided with the dashpot, works as when the flashboard was embraced in the initiative and the driven flashboard of embracing removes in opposite directions, the dashpot that the bolster can embrace the flashboard with the initiative and cooperate with from the dashpot on the floodgate board.

Furthermore, all be provided with the limiting plate on the both sides of layer board and/or roof, work as when initiatively embrace flashboard and driven band-type flashboard and separate, two the limiting plate can embrace flashboard, driven band-type flashboard looks butt respectively with initiatively.

The second purpose of the utility model is realized by adopting the following technical scheme:

the two-plate injection molding machine comprises the synchronous contracting brake mechanism.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the contracting brake driving device can drive the driving contracting brake plate to move towards the direction close to or far away from the driven contracting brake plate, so that effective closing and opening can be realized, and the pull rod is fixedly connected with and separated from the movable template. Through setting up at least one synchronizing assembly, like this, along with the removal of initiatively embracing the flashboard, synchronizing assembly can order about driven embracing the flashboard and toward embracing the direction removal opposite direction with the initiative to can realize effectual combined floodgate and break brake and make pull rod and movable mould board link firmly and separate, and under synchronizing assembly's effect, initiatively embrace the flashboard and follow and embrace the flashboard and can synchronous motion and prevent to produce striking and abnormal sound, be favorable to avoiding the emergence of trouble.

Drawings

FIG. 1 is a schematic structural view of a two-plate injection molding machine according to the present invention;

FIG. 2 is a schematic structural diagram of the synchronous brake mechanism in FIG. 1;

FIG. 3 is a partial schematic view of an angle of FIG. 2;

FIG. 4 is a partial schematic view of another angle of FIG. 2;

fig. 5 is a schematic structural diagram of the synchronization module in fig. 2.

In the figure: 1. a pallet; 2. a top plate; 3. a brake driving device; 4. actively holding the gate plate; 5. a driven gate holding plate; 6. a gear; 7. a driving rack; 8. a driven rack; 9. a fixing plate; 10. a guide rod; 11. a buffer member; 12. a limiting plate; 13. fixing a template; 14. a pull rod; 15. moving the template; 16. a mold locking driving device; 17. a synchronous band-type brake mechanism; 18. a connecting plate; 19. a guide groove.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means is one or a plurality of means, a plurality of means is two or more, and the terms greater than, less than, exceeding, and the like are understood as excluding the number, and the terms greater than, less than, within, and the like are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 5, a preferred embodiment of the present invention provides a two-plate injection molding machine, which includes a frame, a fixed mold plate 13, a pull rod 14, a movable mold plate 15, a mold locking driving device 16 and a synchronous contracting brake mechanism 17 for tightly contracting the pull rod 14, wherein the fixed mold plate 13 is fixed on the frame, the pull rod 14 is arranged on the fixed mold plate 13, the movable mold plate 15 is provided with a movable through hole, the pull rod 14 penetrates through the movable through hole, and the mold locking driving device 16 is used for driving the movable mold plate 15 to move toward or away from the fixed mold plate 13.

In this embodiment, the mold locking driving device 16 is a high pressure cylinder for providing a mold locking force, and when hydraulic oil is filled into the high pressure cylinder, the mold locking force is established to make the movable mold plate 15 press the fixed mold plate 13 forward to realize mold locking, which is beneficial to the stable movement of the movable mold plate 15 on the frame.

In other embodiments, the mold clamping driving device 16 is a driving member such as a cylinder, a motor, or the like.

The synchronous band-type brake mechanism 17 comprises a supporting plate 1, a top plate 2, a band-type brake driving device 3, a driving band-type brake plate 4, a driven band-type brake plate 5 and a synchronous component, wherein the top plate 2 is positioned above the supporting plate 1, the supporting plate 1 and the top plate 2 are both used for being connected with a movable template 15, and specifically, the supporting plate 1 and the top plate 2 are connected with the movable template 15 through a mold locking driving device 16; the driving holding gate plate 4 and the driven holding gate plate 5 are located between the supporting plate 1 and the top plate 2, the driving holding gate plate 4 and the driven holding gate plate 5 are arranged oppositely and can move on the supporting plate 1, and semicircular gate openings are formed in the driving holding gate plate 4 and the driven holding gate plate 5 so as to be beneficial to the entering of the pull rod 14 and the clinging to the outer wall of the pull rod 14. The contracting brake driving device 3 is used for generating a closing force and an opening force, and can drive the driving contracting brake plate 4 to move towards the direction close to or far away from the driven contracting brake plate 5 so as to realize closing and opening. Along with the movement of the driving gate holding plate 4, each synchronizing component can drive the driven gate holding plate 5 to move in the direction opposite to the moving direction of the driving gate holding plate 4.

On the basis of above-mentioned structure, band-type brake drive arrangement 3 can order about initiative and embrace flashboard 4 and move toward being close to or keeping away from driven flashboard 5's direction on layer board 1, through setting up synchronizing assembly, make when initiatively embracing flashboard 4 and moving, synchronizing assembly can order about driven flashboard 5 and toward embracing flashboard 4 opposite direction of movement with the initiative and moving, thereby can realize effectual combined floodgate and break-brake and make pull rod 14 and movable mould board 15 link firmly and separate, and under synchronizing assembly's effect, initiatively embracing flashboard 4 and driven flashboard 5 and embracing synchronous movement and preventing to produce striking and abnormal sound, be favorable to avoiding the emergence of trouble.

In this embodiment, the band-type brake driving device 3 is an oil cylinder, which is beneficial to the stable movement of the active band-type brake plate 4 on the supporting plate 1.

In other embodiments, the band-type brake driving device 3 is a driving component such as a cylinder, a motor and the like.

In this embodiment, the synchronizing assembly is disposed above the driving gate-holding plate 4 and the driven gate-holding plate 5 and is used for synchronously opening and closing the driving gate-holding plate 4 and the driven gate-holding plate 5. This synchronizing assembly includes gear 6, drive rack 7 and driven rack 8 embrace flashboard 4 with the initiative respectively, driven flashboard 5 of embracing is connected, the rotatable setting of gear 6 is on roof 2, and tooth on the gear 6 respectively with drive rack 7, the tooth meshing of driven rack 8 is connected, along with the removal of initiatively embracing flashboard 4, gear 6 can rotate so that driven flashboard 5 of embracing can toward embracing the opposite direction removal of flashboard 4 with the initiative between drive rack 7 and the driven rack 8. Like this, band-type brake drive arrangement 3 can order about initiative and embrace flashboard 4 and toward being close to or keeping away from driven flashboard 5's direction removal on layer board 1, through embracing flashboard 4 and driven flashboard 5's top at the initiative and setting up synchronizing assembly, make when initiatively embracing flashboard 4 and removing, initiative rack 7 can embrace flashboard 4 synchronous motion and drive gear 6 along with the initiative and rotate, and then make gear 6 drive driven rack 8 and move toward the direction opposite with initiative rack 7 moving direction, even driven rack 8 drives driven flashboard 5 and moves toward the direction opposite with initiative and embrace flashboard 4 moving direction, thereby can realize effectual combined floodgate and break floodgate and make pull rod 14 and movable mould board 15 solid link and separate, and under synchronizing assembly's effect, initiatively embracing flashboard 4 and driven flashboard 5 and can synchronous motion and prevent to produce striking and abnormal sound, be favorable to avoiding the emergence of trouble.

Specifically, the driving rack 7 and the driven rack 8 are respectively arranged on the tops of the driving holding gate plate 4 and the driven holding gate plate 5.

In other embodiments, the synchronizing assembly is disposed below the driving gate-holding plate 4 and the driven gate-holding plate 5, the driving rack 7 and the driven rack 8 are disposed on the bottom of the driving gate-holding plate 4 and the driven gate-holding plate 5, respectively, and the gear 6 is rotatably disposed on the supporting plate 1. Or, the quantity of synchronizing assembly is two, and two synchronizing assembly set up respectively in the initiative and embrace flashboard 4 and driven top, the below of embracing flashboard 5, even all be provided with initiative rack 7, driven rack 8 on the top, the bottom of embracing flashboard 4 and driven the flashboard 5 initiatively, two gears 6 are rotatable setting respectively on roof 2 and layer board 1, like this, can do benefit to further to improve the synchronism that the flashboard 4 was embraced in the initiative and driven flashboard 5 removed of embracing.

In other embodiments, the synchronizing assembly includes a sensor and a driven brake holding driving device 3, the sensor monitors the driving brake holding plate 4 and sends a signal, and the driven brake holding driving device 3 is configured to receive the signal and drive the driven brake holding plate 5 to move in a direction opposite to a moving direction of the driving brake holding plate 4, so as to improve the synchronism of the movement of the driving brake holding plate 4 and the driven brake holding plate 5. Specifically, the sensor is a force sensor, and the driven band-type brake driving device 3 is a driving component such as an oil cylinder, an air cylinder, a motor and the like.

In this embodiment, the synchronous brake mechanism 17 further includes a fixing plate 9 and a guide rod 10, the fixing plate 9 is used for being connected with the frame and fixing the brake driving device 3, the guide rod 10 is connected with the fixing plate 9 and arranged along the moving direction of the driving brake-holding plate 4 and the driven brake-holding plate 5, and both the driving brake-holding plate 4 and the driven brake-holding plate 5 can slide on the guide rod 10. Like this, through the fixed band-type brake drive arrangement 3 of fixed plate 9, can play effective fixed effect to band-type brake drive arrangement 3 to do benefit to the initiative and embrace the effective removal of flashboard 4 on layer board 1, through be provided with guide bar 10 on fixed plate 9, can do benefit to and embrace the flashboard 4 and follow the direction effect that removes to playing the preferred to embracing in the opposite directions or moving away from between the flashboard 5 to the initiative.

In this embodiment, the number of the guide rods 10 is two, and the two guide rods 10 are parallel to each other and are slidably connected to the top and the bottom of the driving gate-holding plate 4 and the driven gate-holding plate 5, respectively. So, can further improve and embrace the flashboard 4 and follow the guiding action that moves away from in opposite directions or remove and play of taking between the flashboard 5 to the initiative, be favorable to initiatively embracing flashboard 4 and follow the steady movement of embracing flashboard 5 on layer board 1.

In this embodiment, the supporting plate 1 and the top plate 2 are both provided with a guide groove 19 arranged along the moving direction of the driving gate-holding plate 4 and the driven gate-holding plate 5, and the driving gate-holding plate 4 and the driven gate-holding plate 5 can slide in the guide groove 19. Therefore, the driving holding gate plate 4 and the driven holding gate plate 5 can smoothly slide between the supporting plate 1 and the top plate 2, and a better guiding effect is provided.

In other embodiments, the guide grooves 19 are provided only on the pallet 1 or the top plate 2.

Specifically, the gear 6 in the present embodiment is connected to the top plate 2 through the connecting plate 18, so that the gear 6 can be rotatably mounted on the side of the supporting plate 1 away from the movable die plate 15 through the connecting plate 18 to facilitate the effective rotation of the gear 6.

In this embodiment, all be provided with bolster 11 on layer board 1 and the roof 2, initiatively embrace all to be provided with the dashpot on flashboard 4 and the driven flashboard 5 of embracing, when initiatively embracing flashboard 4 and driven flashboard 5 when moving in opposite directions, bolster 11 can embrace the dashpot that flashboard 4 and driven embraced on the flashboard 5 with the initiative and cooperate to can do benefit to and reduce initiatively embracing the impact force that flashboard 4 and driven flashboard 5 collision produced, play buffering and braking action. Specifically, the buffer 11 is disposed in the guide groove 19 on the pallet 1 and the top plate 2.

In other embodiments, the buffer member 11 is disposed only on the pallet 1 or the top plate 2, and the buffer groove is disposed only on the pallet 1 or the top plate 2, respectively.

In this embodiment, all be provided with limiting plate 12 on the both sides of layer board 1 and roof 2, limiting plate 12 protrusion in layer board 1 and roof 2's surface, when initiatively embracing flashboard 4 and driven flashboard 5 when leaving mutually, two limiting plates 12 can embrace flashboard 4, driven flashboard 5 looks butt with initiatively embracing to can do benefit to the restriction initiatively to embrace flashboard 4, driven movement of embracing flashboard 5 between layer board 1 and roof 2.

In other embodiments, the limit plates 12 are provided only on both sides of the pallet 1 or the top plate 2.

In this embodiment, the number of the pull rods 14 is four, the number of the movable through holes on the movable template 15 is the same as that of the pull rods 14 and is set correspondingly, and the number of the synchronous band-type brake mechanisms 17 is the same as that of the pull rods 14 and is set correspondingly. Therefore, the guiding effect and the stable movement of the movable template 15 can be improved, the stable die opening and die closing can be realized, the synchronous contracting brake mechanism 17 is correspondingly arranged on each connecting rod, the closing and opening efficiency can be improved, and the effective fixed connection and separation of the pull rod 14 and the movable template 15 can be realized.

In other embodiments, the number of tie rods 14 is two, three, or more than four.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims

1. A synchronous band-type brake mechanism, its characterized in that includes:

the supporting plate (1) and the top plate (2), wherein the top plate (2) is positioned above the supporting plate (1), and the supporting plate (1) and the top plate (2) are both used for being connected with a movable template (15);

the brake clamping device comprises a brake clamping driving device (3), a driving brake clamping plate (4) and a driven brake clamping plate (5), wherein the driving brake clamping plate (4) and the driven brake clamping plate (5) are located between a supporting plate (1) and a top plate (2), the driving brake clamping plate (4) and the driven brake clamping plate (5) are arranged oppositely and can move on the supporting plate (1), and the brake clamping driving device (3) is used for driving the driving brake clamping plate (4) to move towards the direction close to or far away from the driven brake clamping plate (5);

and the synchronous components can drive the driven gate holding plate (5) to move in the direction opposite to the moving direction of the driving gate holding plate (4) along with the movement of the driving gate holding plate (4).

2. The synchronous band-type brake mechanism according to claim 1, wherein each of the synchronizing assemblies comprises a gear (6), a driving rack (7) and a driven rack (8), the driving rack (7) and the driven rack (8) are respectively connected with the driving band-type brake plate (4) and the driven band-type brake plate (5), the gear (6) is rotatably arranged on the supporting plate (1) and/or the top plate (2) and is respectively meshed with the driving rack (7) and the driven rack (8), and along with the movement of the driving band-type brake plate (4), the gear (6) can rotate between the driving rack (7) and the driven rack (8) so that the driven band-type brake plate (5) can move in a direction opposite to the moving direction of the driving band-type brake plate (4).

3. The synchronous brake mechanism according to claim 1, further comprising a fixing plate (9) and a guide rod (10), wherein the fixing plate (9) is used for fixing the brake driving device (3), the guide rod (10) is connected with the fixing plate (9) and is arranged along the moving direction of the driving brake holding plate (4) and the driven brake holding plate (5), and both the driving brake holding plate (4) and the driven brake holding plate (5) can slide on the guide rod (10).

4. The synchronous band-type brake mechanism according to claim 3, characterized in that the number of the guide rods (10) is two, and the two guide rods (10) are parallel to each other and are respectively connected with the top and the bottom of the driving brake-holding plate (4) and the driven brake-holding plate (5) in a sliding manner.

5. The synchronous band-type brake mechanism according to claim 1, characterized in that the supporting plate (1) and/or the top plate (2) are provided with guide grooves (19) arranged along the moving direction of the driving band-type brake plate (4) and the driven band-type brake plate (5), and the driving band-type brake plate (4) and the driven band-type brake plate (5) can slide in the guide grooves (19).

6. The synchronous band-type brake mechanism according to claim 1, characterized in that a buffer member (11) is arranged on the supporting plate (1) and/or the top plate (2), buffer grooves are correspondingly arranged on the driving band-type brake plate (4) and the driven band-type brake plate (5), and when the driving band-type brake plate (4) and the driven band-type brake plate (5) move towards each other, the buffer member (11) can be matched with the buffer grooves on the driving band-type brake plate (4) and the driven band-type brake plate (5).

7. The synchronous band-type brake mechanism according to claim 1, characterized in that limiting plates (12) are disposed on both sides of the supporting plate (1) and/or the top plate (2), and when the driving band-type brake plate (4) and the driven band-type brake plate (5) are separated from each other, the two limiting plates (12) can respectively abut against the driving band-type brake plate (4) and the driven band-type brake plate (5).

8. A two-plate injection molding machine, comprising a synchronous brake mechanism (17) according to any one of claims 1 to 7.