CN221161403U

CN221161403U - Injection mold locking device

Info

Publication number: CN221161403U
Application number: CN202322941154.8U
Authority: CN
Inventors: 娄海松
Original assignee: Ninghai Ruiou Mold Co ltd
Current assignee: Ninghai Ruiou Mold Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-06-18
Anticipated expiration: 2033-10-31

Abstract

The utility model belongs to the technical field of molds, in particular to an injection mold locking device, which comprises a bottom plate; the bottom plate topside is provided with locking mechanism, bottom plate topside one end is provided with elevating system, the elevating system bottom is provided with stop gear, locking mechanism includes the bed die, the fixed slide rail that is provided with in bed die both sides, the inboard slidable mounting of slide rail has the second rack, second rack one end is fixed with the inserted bar, the bed die both sides are fixed with the fixing base, the gear is installed in the rotation of bed die both sides, go up mould both sides bottom fixed with the engaging lug, the mobile station both sides are fixed with the round platform, the round platform bottom side is fixed with first rack, and when the mould was consolidated, the engaging lug moved to fixing base one side, first rack and gear contact to promote its rotation, under the cooperation of second rack, promote the inserted bar to insert the fixing base inboard, solved its magnetic path of current locking device and demagnetized easily under high temperature, cause the problem that manufacturing cost improves.

Description

Injection mold locking device

Technical Field

The utility model relates to the technical field of molds, in particular to an injection mold locking device.

Background

The injection mold can be used for producing workpieces with complex shapes, the workpieces are melted by heating plastic, then the molten plastic is injected into a mold cavity, and a finished product is obtained after cooling and solidifying.

The utility model provides an injection mold locking device of bulletin number CN218749127U, regard bottom plate as the main part, the bottom plate top side is provided with mould and bed die respectively, it is equipped with elevating system to go up mould top side, bottom plate top side both ends are fixed with bracing piece and fixed plate respectively, the bracing piece top is connected with the axle sleeve, the inboard rotation of axle sleeve is interlude has the axis of rotation, and the cover is fixed with the gear in the axis of rotation, it is fixed with the rack to go up mould one side, and the rack meshes with the gear, install the lead screw to rotate on the fixed plate, be fixed with driven gear on the lead screw, axis of rotation one end is fixed with the driving gear, and the driving gear meshes with driven gear, drive the mould through elevating system during the use and descend, make the locating bolt run through the installation piece, drive gear rotation through the rack, make the lead screw rotatory, make movable block and magnetic path contact bed die and contact with the locating bolt, mutual absorption, thereby realize the function of automatic locking.

The above injection mold locking device has the problems that the magnetic blocks are in contact with the lower mold and the positioning bolts, and are in a locking state by mutual adsorption, and in the use process, the magnetic blocks are easy to demagnetize and need to be replaced regularly due to higher mold temperature, so that the production cost is improved, and the injection mold locking device is further provided.

Disclosure of utility model

In order to make up for the defects of the prior art, the locking device on the market has the advantages that the magnetic block is easy to demagnetize due to higher temperature of the die, and the magnetic block needs to be replaced regularly, so that the production cost is increased.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an injection mold locking device, which comprises a bottom plate; the bottom plate top side is provided with locking mechanism, bottom plate top side one end is provided with elevating system, the elevating system bottom is provided with stop gear, the bottom plate top side is fixed with the bed die.

Preferably, the locking mechanism comprises a lower die, the fixed slide rail that is provided with in lower die both sides, slide rail inboard slidable mounting has the second rack, second rack one end is fixed with the inserted bar, the lower die both sides are fixed with the fixing base, and the inboard slidable interlude of fixing base has the inserted bar, the gear is installed in the rotation of lower die both sides, and the gear meshes with the second rack, go up mould both sides bottom fixed with the engaging lug, the mobile station both sides are fixed with the round platform, the round platform downside is fixed with first rack, bottom plate topside one end is fixed with the backup pad, through gear and rack cooperation, realizes automatic locking and unblock's ability, and rack and gear can be used to high temperature environment, and is less fragile.

Preferably, the elevating system includes the backup pad, the backup pad top is fixed with the roof, the roof top is fixed with the pneumatic cylinder, the pneumatic cylinder inboard is through piston cooperation slidable mounting has the hydraulic stem, hydraulic stem one end is passed the roof and is fixed with the mobile station, and hydraulic stem and roof sliding connection, uses the pneumatic cylinder, can bear great load, and the noise is low during operation, can be used to complicated operational environment.

Preferably, the stop gear includes the mobile station, mobile station bottom mounting has the mount, the inboard slidable mounting of mount has the mould, it is fixed with the stopper to go up the mould side and be located the mount both sides, it is fixed with the locating lever to go up mould bottom side four corners, the locating hole has been seted up in lower mould top side four corners, through stopper and mount cooperation, makes the mould can be at the in-process of lift removal, and the position can not squint to guarantee that production quality will not decline.

The utility model has the advantages that:

1. according to the structure design of the injection mold locking device, the locking mechanism is arranged, when the molds at two sides are combined, the connecting lug moves to one side of the fixed seat, at the moment, the first rack continuously moves downwards to be in contact with the gear and push the gear to rotate, so that under the cooperation of the second rack, the inserted link is pushed to be inserted into the inner side of the fixed seat and the connecting lug, the automatic locking function is realized, when the mold is opened, the movable table moves upwards to one side of the limiting block, the first rack drives the gear to rotate, the inserted link is pulled out from the inner side of the connecting lug, the automatic unlocking function is realized, and the problems that the existing locking device uses a magnetic block, is easy to demagnetize in a high-temperature environment, and the production cost is increased are solved.

2. According to the structural design of the injection mold locking device, the limiting mechanism is arranged, when the movable table drives the upper mold to move, the fixing frame is in contact with the top side limiting block, the upper mold is driven to move up and down under the cooperation of the limiting block, and when the upper mold is closed, the locating rod at the bottom side of the upper mold is inserted into the inner side of the locating hole at the top side of the lower mold, so that the position of the mold is prevented from being deviated in the injection molding process, and the injection molding quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic overall front perspective view;

FIG. 2 is a cross-sectional view of an overall side-view three-dimensional structure;

FIG. 3 is a schematic top perspective view of the positioning mechanism;

FIG. 4 is a schematic side perspective view of the locking mechanism;

fig. 5 is a schematic view of an overall rear perspective structure.

In the figure: 1. a bottom plate; 2. a support plate; 3. a top plate; 4. a lower die; 5. positioning holes; 6. a hydraulic cylinder; 7. a piston; 8. a hydraulic rod; 9. a mobile station; 10. a fixing frame; 11. an upper die; 12. a positioning rod; 13. a limiting block; 14. a connecting lug; 15. round bench; 16. a first rack; 17. a slide rail; 18. a second rack; 19. a rod; 20. a fixing seat; 21. a gear; 22. and a protective shell.

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 to 4, an injection mold locking device includes a base plate 1; the top side of the bottom plate 1 is provided with a locking mechanism, one end of the top side of the bottom plate 1 is provided with a lifting mechanism, the bottom end of the lifting mechanism is provided with a limiting mechanism, and the top side of the bottom plate 1 is fixedly provided with a lower die 4;

Referring to fig. 4, the locking mechanism includes a lower mold 4, sliding rails 17 are fixedly disposed on two sides of the lower mold 4, a second rack 18 is slidably mounted on an inner side of the sliding rails 17, an insert rod 19 is fixed at one end of the second rack 18, fixing bases 20 are fixedly disposed on two sides of the lower mold 4, insert rods 19 are slidably inserted into the inner sides of the fixing bases 20, gears 21 are rotatably mounted on two sides of the lower mold 4, the gears 21 are meshed with the second rack 18, connecting lugs 14 are fixed at two bottom ends of two sides of the upper mold 11, round tables 15 are fixed on two sides of the moving table 9, a first rack 16 is fixed on a bottom side of the round table 15, and a supporting plate 2 is fixed at one end of a top side of the bottom plate 1; during operation, when encountering the current locking device and locking through the cooperation of magnetic blocks, easy demagnetization is carried out under high temperature environment, the problem of production cost improvement is caused by the need to be changed regularly, through the structure of locking mechanism, when combining the both sides mould, the engaging lug 14 moves to fixing base 20 one side, first rack 16 continues to move downwards at this moment, contact with gear 21, and promote it and rotate, thereby under the cooperation of second rack 18, promote inserted bar 19 to insert fixing base 20 and engaging lug 14 inboard, realize the function of automatic locking, when opening the mould, mobile station 9 upwards moves to stopper 13 one side, and likewise drives gear 21 rotation through first rack 16, take out inserted bar 19 from engaging lug 14 inboard, realize the function of automatic unblock.

Referring to fig. 2, the lifting mechanism includes a support plate 2, a top plate 3 is fixed at the top end of the support plate 2, a hydraulic cylinder 6 is fixed at the top end of the top plate 3, a hydraulic rod 8 is slidably mounted on the inner side of the hydraulic cylinder 6 through a piston 7 in a matching manner, one end of the hydraulic rod 8 penetrates through the top plate 3 to be fixed with a moving table 9, and the hydraulic rod 8 is slidably connected with the top plate 3; when the hydraulic cylinder is in operation, when the problem that the mould is made of metal and is large in mass and inconvenient to move is solved, the hydraulic cylinder 6 is started through the structure of the lifting mechanism, and the hydraulic rod 8 is pushed to extend or shorten under the cooperation of the piston 7, so that the hydraulic rod drives the mobile station 9 at one end to lift and move, and the moulds at two sides are driven to be combined or separated.

Referring to fig. 3, the limiting mechanism includes a moving table 9, a fixing frame 10 is fixed at the bottom end of the moving table 9, an upper mold 11 is slidably mounted inside the fixing frame 10, limiting blocks 13 are fixed on two sides of the fixing frame 10 on the side surface of the upper mold 11, positioning rods 12 are fixed on four corners of the bottom side of the upper mold 11, and positioning holes 5 are formed in four corners of the top side of the lower mold 4; during operation, when encountering the mould position skew, when leading to the problem of production quality decline, through stop gear's structure, when moving platform 9 drives upper die 11 and removes, mount 10 and the contact of topside limit piece 13, under the cooperation of stopper 13, drive upper die 11 and go up and down to remove, and when carrying out the compound die, the locating lever 12 of upper die 11 downside can alternate the locating hole 5 inboard of lower die 4 topside, guarantees injection molding in-process, and the mould position can not skew, improves the quality of injection molding.

Referring to fig. 5, a protective shell 22 is fastened on one side of the gear 21, and the protective shell 22 is fixed at the top end of the side surface of the lower mold 4, when the gear 21 is easily involved in clothes during operation, an operator cannot contact the gear 21 during injection molding processing through the structure of the protective shell 22 during the use process, so that the safety of the equipment during use is improved.

The working principle is that the injection mold can be used for producing a machined part with a complex shape, the plastic is heated to melt, then the plastic in a molten state is injected into a mold cavity, a finished product is obtained after cooling and solidification, in order to prevent the mold from being forced to move in the cooling process, a locking device is needed to fix the mold, the existing locking device is contacted with a positioning bolt through a magnetic block and is in a locking state through mutual adsorption, in the use process, the magnetic block is easy to demagnetize and needs to be replaced regularly due to higher mold temperature, the production cost is increased, in order to solve the problem, when the injection molding is carried out, a hydraulic cylinder 6 is started, a hydraulic rod 8 is pushed to stretch under the cooperation of a piston 7, a moving table 9 at one end is driven to move downwards, and thus an upper mold 11 is driven to be combined with a lower mold 4, the positioning rod 12 is inserted into the inner side of the positioning hole 5, the connecting lug 14 moves to one side of the fixed seat 20, at this time, the hydraulic rod 8 continuously pushes the fixed frame 10 to move downwards through the moving table 9, under the cooperation of the round table 15, the first rack 16 is pushed to move downwards to contact with the gear 21 and push the gear to rotate, so that under the cooperation of the second rack 18, the inserting rod 19 is pushed to be inserted into the inner sides of the fixed seat 20 and the connecting lug 14 to realize the function of automatic locking, after the injection molding is finished, when the mold is required to be opened, the hydraulic cylinder 6 is controlled to drive the moving table 9 to move upwards to one side of the limiting block 13, and the gear 21 is driven to rotate through the first rack 16, the inserting rod 19 is pulled out from the inner side of the connecting lug 14 to realize the function of automatic unlocking, then the fixed frame 10 contacts with the top limiting block 13, under the cooperation of the limiting block 13, the upper mold 11 is driven to rise, and the injection molding processing is finished, the problem of current locking device use the magnetic path, easy degaussing under high temperature environment, cause manufacturing cost to improve is solved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. An injection mold locking device, characterized in that: comprises a bottom plate (1); the top side of the bottom plate (1) is provided with a locking mechanism, one end of the top side of the bottom plate (1) is provided with a lifting mechanism, the bottom end of the lifting mechanism is provided with a limiting mechanism, and the top side of the bottom plate (1) is fixedly provided with a lower die (4);

The locking mechanism comprises a lower die (4), sliding rails (17) are fixedly arranged on two sides of the lower die (4), a second rack (18) is slidably arranged in the sliding rails (17), a plug rod (19) is fixed at one end of the second rack (18), fixing seats (20) are fixed on two sides of the lower die (4), plug rods (19) are slidably inserted into the inner sides of the fixing seats (20), gears (21) are rotatably arranged on two sides of the lower die (4), the gears (21) are meshed with the second rack (18), and a supporting plate (2) is fixed at one end of the top side of the bottom plate (1).

2. An injection mold locking apparatus as claimed in claim 1, wherein: the lifting mechanism comprises a supporting plate (2), a top plate (3) is fixed at the top end of the supporting plate (2), and a hydraulic cylinder (6) is fixed at the top end of the top plate (3).

3. An injection mold locking apparatus as claimed in claim 2, wherein: the inside of the hydraulic cylinder (6) is provided with a hydraulic rod (8) in a matched sliding manner through a piston (7), one end of the hydraulic rod (8) penetrates through the top plate (3) to be fixed with a movable table (9), and the hydraulic rod (8) is in sliding connection with the top plate (3).

4. An injection mold locking apparatus as claimed in claim 3, wherein: the limiting mechanism comprises a moving table (9), a fixing frame (10) is fixed at the bottom end of the moving table (9), an upper die (11) is slidably mounted on the inner side of the fixing frame (10), and limiting blocks (13) are fixed on the side faces of the upper die (11) located on two sides of the fixing frame (10).

5. The injection mold locking device of claim 4, wherein: the bottom ends of two sides of the upper die (11) are fixedly provided with connecting lugs (14), two sides of the mobile station (9) are fixedly provided with round tables (15), and the bottom sides of the round tables (15) are fixedly provided with first racks (16).

6. The injection mold locking device of claim 5, wherein: positioning rods (12) are fixed at four corners of the bottom side of the upper die (11), and positioning holes (5) are formed in four corners of the top side of the lower die (4).