CN211101502U

CN211101502U - Pressurizing mechanism

Info

Publication number: CN211101502U
Application number: CN201922226811.4U
Authority: CN
Inventors: 陈汉宜; 刘小杰; 孔冬萍; 丘丽霞
Original assignee: Fujian Derui New Material Co ltd
Current assignee: Fujian Derui New Material Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-28
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a loading system, including the die casting machine body, the top of die casting machine body is provided with the workstation, the top of workstation is provided with the mount, be provided with the pneumatic cylinder on the mount, the output of pneumatic cylinder is provided with the hydraulic stem, the end of hydraulic stem is provided with the movable plate, and lies in the corresponding department of hydraulic stem on the movable plate and be provided with pressurization structure and die-casting piece, the both sides of movable plate are located the crossing department of movable plate and mount and are provided with the chucking structure. A loading system, worm gear through chucking device can effectually prevent that the movable plate from taking place reverse movement or not hard up, guarantees the machining precision of die casting, can pressurize the finished piece through the pressurization structure, the contact piece further pressurizes the finished piece, guarantees the finished piece and contacts the piece and contact all the time for the finished piece accords with final dimensional requirement, improves the machining precision.

Description

Pressurizing mechanism

Technical Field

The utility model relates to a die casting machine field, in particular to loading mechanism.

Background

The die casting machine is a machine for pressure casting, including hot-pressing room and cold-pressing room two kinds, all divide into straight type and horizontal two kinds again afterwards, the die casting machine is the molten metal hydraulic pressure shooting mould under the pressure effect and is cooled the shaping in, can obtain the solid metal foundry goods after the die sinking, the die-casting technique has obtained extremely rapid development, the die-casting is by the extensive fields of industry such as car, motorcycle and domestic appliance of being applied to, the die casting machine requires more and more high to the pressure capacity, the enterprise makes and more attaches attention to the loading mechanism also. But the loading system of current die casting machine has certain drawback, when holding to inject hydraulic oil into, the movable plate can take place reverse movement for there is the error in the die-casting shape, and the precision is lower, and the melt can expend with heat and contract with cold when the die-casting in addition, does not have the finished piece size that the pressurization structure can make in the die cavity to be not conform to the requirement, and the finished piece precision is lower, for this reason we provide a loading system.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a pressurizing mechanism, which can effectively solve the problems of the background art.

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

the utility model provides a loading system, includes the die casting machine body, the top of die casting machine body is provided with the workstation, the top of workstation is provided with the mount, be provided with the pneumatic cylinder on the mount, the output of pneumatic cylinder is provided with the hydraulic stem, the end of hydraulic stem is provided with the movable plate, and lies in the corresponding department of hydraulic stem on the movable plate and be provided with pressurization structure and die-casting piece, the both sides of movable plate are located the crossing department of movable plate and mount and are provided with the chucking structure, the below that lies in the die-casting piece on the workstation is provided with the casting chamber.

Preferably, the clamping structure comprises a motor, a first worm, a worm wheel, a second worm and a rotating shaft, the motors are arranged on two sides of the moving plate, the first worm is arranged at the output end of the motor, the worm wheel is arranged at the position, meshed with the first worm, of the inner portion of the moving plate, the worm wheel is movably fixed with the moving plate through the rotating shaft, the second worm is arranged on two sides of the moving plate on the fixing frame, the second worm is meshed with the worm wheel, and the second worm is fixed in the fixing frame.

Preferably, the pressurizing structure comprises a first fixed block, a fixed bolt, a movable groove, a fixed rod, a first telescopic spring, a connecting block, a second telescopic spring, a connecting rod and a contact block, wherein a die-casting block and a contact block are fixedly mounted below the movable plate through the fixed bolt, the tail end of the hydraulic rod is located below the movable plate and is provided with the first fixed block, the second telescopic spring is arranged between the first fixed block and the contact block, the connecting rod is arranged between the first fixed block and the contact block, the connecting block is arranged between the connecting rods, the fixed rod is welded on the connecting block, the first telescopic spring is arranged on the fixed rod, the movable groove is formed in the die-casting block, and the fixed rod is located in the movable groove.

Preferably, guide rods are arranged at four corners of the moving plate in the fixed frame.

Preferably, the hydraulic rod is a secondary hydraulic rod, and two sleeves of the hydraulic rod are respectively fixed with the movable plate and the pressurizing structure.

Preferably, the cooperating diameters of the press structure, the die-cast block and the casting cavity are the same.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with chucking device, the worm gear through chucking device can effectually prevent that the movable plate from taking place reverse movement or not hard up, guarantees the machining precision of die casting, is provided with the pressurization structure, can pressurize the finished piece through the pressurization structure, and the contact block further pressurizes the finished piece, guarantees finished piece and contact block and contacts all the time for the finished piece accords with final dimensional requirement, improves the machining precision.

Drawings

Fig. 1 is a schematic view of the overall structure of a pressurizing mechanism of the present invention;

fig. 2 is a schematic view of a clamping structure of a pressurizing mechanism according to the present invention;

fig. 3 is a schematic view of a pressurizing structure of a pressurizing mechanism of the present invention.

In the figure: 1. a die casting machine body; 2. a work table; 3. a guide bar; 4. moving the plate; 5. a hydraulic lever; 6. a fixed mount; 7. a hydraulic cylinder; 8. a clamping structure; 801. a motor; 802. a first worm; 803. a worm gear; 804. a second worm; 805. a rotating shaft; 9. a pressurizing structure; 901. a first fixed block; 902. fixing the bolt; 903. a moving groove; 904. fixing the rod; 905. a first extension spring; 906. connecting blocks; 907. a second extension spring; 908. a connecting rod; 909. a contact block; 10. die casting a block; 11. and (5) casting a cavity.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a pressurizing mechanism comprises a die casting machine body 1, a workbench 2 is arranged above the die casting machine body 1, a fixed frame 6 is arranged above the workbench 2, a hydraulic cylinder 7 is arranged on the fixed frame 6, a hydraulic rod 5 is arranged at the output end of the hydraulic cylinder 7, a movable plate 4 is arranged at the tail end of the hydraulic rod 5, a pressurizing structure 9 and a die-casting block 10 are arranged on the movable plate 4 at the position corresponding to the hydraulic rod 5, clamping structures 8 are arranged at the intersection of the movable plate 4 and the fixed frame 6 at the two sides of the movable plate 4, and a casting cavity 11 is arranged below the die-casting block 10 on the workbench 2;

the clamping structure 8 comprises a motor 801, a first worm 802, a worm wheel 803, a second worm 804 and a rotating shaft 805, the motor 801 is arranged on two sides of the moving plate 4, the first worm 802 is arranged at the output end of the motor 801, the worm wheel 803 is arranged at the position, meshed with the first worm 802, inside the moving plate 4, the worm wheel 803 is movably fixed with the moving plate 4 through the rotating shaft 805, the second worm 804 is arranged on two sides of the moving plate 4 on the fixing frame 6, the second worm 804 is meshed with the worm wheel 803, and the second worm 804 is fixed in the fixing frame 6; the pressurizing structure 9 comprises a first fixed block 901, a fixed bolt 902, a moving groove 903, a fixed rod 904, a first telescopic spring 905, a connecting block 906, a second telescopic spring 907, a connecting rod 908 and a contact block 909, wherein a casting block 10 and the contact block 909 are fixedly installed below the moving plate 4 through the fixed bolt 902, the first fixed block 901 is arranged at the tail end of the hydraulic rod 5 below the moving plate 4, the second telescopic spring 907 is arranged between the first fixed block 901 and the contact block 909, the connecting rod 908 is arranged between the first fixed block 901 and the contact block 909, the connecting block 906 is arranged between the connecting rods 908, the fixed rod 904 is welded on the connecting block 906, the first telescopic spring 905 is arranged on the fixed rod 904, the moving groove 903 is formed in the casting block 10, and the fixed rod 904 is located in the moving groove 903; guide rods 3 are arranged at four corners of the movable plate 4 in the fixed frame 6; the hydraulic rod 5 is a secondary hydraulic rod, and two sleeves of the hydraulic rod 5 are respectively fixed with the movable plate 4 and the pressurizing structure 9; the cooperating diameters of the pressure structure 9, the die-cast block 10 and the casting cavity 11 are the same.

It should be noted that, the utility model relates to a pressurizing mechanism, when in use, the melt is injected into the casting cavity 11 of the die casting machine body 1, then the hydraulic rod 5 of the hydraulic cylinder 7 is driven, so that the outer sleeve of the hydraulic rod 5 drives the movable plate 4 to move along the guide rod 3 on the fixed frame 6, and the motor 801 of the clamping structure 8 is started, so that the motor 801 drives the first worm 802 to rotate, so that the first worm 802, the worm wheel 803 and the second worm 804 are engaged with each other, so that the worm wheel 803 on the rotating shaft 805 drives the movable plate 4 to move along the second worm 804 on the fixed frame 6, at this time, when the outer sleeve of the hydraulic rod 5 moves, the movable plate 4 can be prevented from moving backwards, at this time, the movable plate 4 is in contact with the casting cavity 11 on the working table 2, at this time, the solution is primarily pressurized, so that the melt is solidified according to the shape of the casting, the inner sleeve of the hydraulic rod 5 pushes the first fixed block 901 to move downwards and pushes the connecting rod 908 to pressurize the contact block 909 and the molten metal, during which the connecting blocks 906 on both sides of the connecting rod 908 are under the action of the first extension spring 905 on the fixed rod 904 and the action of the second extension spring 907 to increase the pressure of the contact block 909, and the pressing structure 9 ensures that the contact block 909 and the molten metal are pressed into a required size, after the manufacturing of the product is completed, the moving plate 4 on the hydraulic rod 5 is moved in the reverse direction, and simultaneously the motor 801 of the clamping structure 8 is rotated in the reverse direction to move the moving plate 4 away, and then the inner sleeve of the hydraulic rod 5 is shortened to move the first fixed block 901 to the original position, so that the contact block 909 and the die-casting block 10 are attached to the moving plate 4 along the fixed bolt 902, and at this time, the product in the casting cavity.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pressing mechanism characterized in that: including die casting machine body (1), the top of die casting machine body (1) is provided with workstation (2), the top of workstation (2) is provided with mount (6), be provided with pneumatic cylinder (7) on mount (6), the output of pneumatic cylinder (7) is provided with hydraulic stem (5), the end of hydraulic stem (5) is provided with movable plate (4), and lies in the corresponding department of hydraulic stem (5) on movable plate (4) and be provided with pressurization structure (9) and die-casting piece (10), the both sides of movable plate (4) are located movable plate (4) and are provided with chucking structure (8) with mount (6) crossing department, the below that lies in die-casting piece (10) on workstation (2) is provided with casting chamber (11).

2. A pressing mechanism according to claim 1, wherein: chucking structure (8) include motor (801), first worm (802), worm wheel (803), second worm (804) and axis of rotation (805), the both sides of moving plate (4) are provided with motor (801), the output of motor (801) is provided with first worm (802), the inside of moving plate (4) is located and is provided with worm wheel (803) with first worm (802) department of meshing mutually, and worm wheel (803) are fixed with moving plate (4) activity through axis of rotation (805), the both sides that lie in moving plate (4) on mount (6) are provided with second worm (804), and second worm (804) mesh with worm wheel (803) mutually, and second worm (804) are fixed in mount (6).

3. A pressing mechanism according to claim 1, wherein: the pressurizing structure (9) comprises a first fixed block (901), a fixed bolt (902), a moving groove (903), a fixed rod (904), a first telescopic spring (905), a connecting block (906), a second telescopic spring (907), a connecting rod (908) and a contact block (909), wherein a die-casting block (10) and the contact block (909) are fixedly arranged below the moving plate (4) through the fixed bolt (902), the first fixed block (901) is arranged at the tail end of a hydraulic rod (5) below the moving plate (4), the second telescopic spring (907) is arranged between the first fixed block (901) and the contact block (909), the connecting rod (908) is arranged between the first fixed block (901) and the contact block (909), the connecting block (906) is arranged between the connecting rods (908), the fixed rod (904) is welded on the connecting block (906), and the first telescopic spring (905) is arranged on the fixed rod (904), a movable groove (903) is formed in the die casting block (10), and the fixing rod (904) is located in the movable groove (903).

4. A pressing mechanism according to claim 1, wherein: guide rods (3) are arranged at four corners of the movable plate (4) in the fixed frame (6).

5. A pressing mechanism according to claim 1, wherein: the hydraulic rod (5) is a secondary hydraulic rod, and two sleeves of the hydraulic rod (5) are respectively fixed with the movable plate (4) and the pressurizing structure (9).

6. A pressing mechanism according to claim 1, wherein: the matching diameters of the pressurizing structure (9), the die-casting block (10) and the casting cavity (11) are the same.