CN217752613U

CN217752613U - Screw rod that injection molding machine easy to assemble was used

Info

Publication number: CN217752613U
Application number: CN202221187643.8U
Authority: CN
Inventors: 包岳伟
Original assignee: Zhoushan Dexinke Machinery Co ltd
Current assignee: Zhoushan Dexinke Machinery Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-11-08
Anticipated expiration: 2032-05-18

Abstract

The utility model relates to a screw rod for injection molding machine easy to assemble that screw rod is convenient for install technical field, including the axis of rotation, the front surface of axis of rotation is inserted and is equipped with the screw rod, the surface cover of axis of rotation is equipped with the swivel nut, metal locating plate has first arc piece in the face of a side top fixed mounting of axis of rotation, the inner wall of mounting hole has the spacing subassembly that is used for positioning screw through dead lever swing joint, and spacing subassembly activity is between mounting hole and locating hole, the surface threaded connection of swivel nut has the position sleeve that is used for promoting first arc piece. The threaded sleeve is sleeved on the outer surface of the rotating shaft, the positioning sleeve can be conveniently installed to fasten the threaded sleeve in a screwing mode, the positioning sleeve and the threaded sleeve can be pushed to push the metal positioning plate which inclines outwards to be close to the center of the rotating shaft when being screwed, and therefore the first arc block on the outer surface of the metal positioning plate abuts against the limiting assembly to limit the positioning hole, the effect of the fixing screw rod is achieved, and direct disassembly is convenient.

Description

Screw rod that injection molding machine easy to assemble was used

Technical Field

The utility model relates to a screw rod is convenient for install technical field, especially relates to a screw rod that injection molding machine that easy to assemble used.

Background

The screw of the injection molding machine is an important part of the injection molding machine and is mainly used for conveying, compacting, melting, stirring and pressing the plastic, all of which are completed by the rotation of the screw in a charging barrel, and when the screw rotates, the plastic generates friction and mutual movement on the inner wall of a machine barrel, the bottom surface of a screw groove, a screw ridge propelling surface and the plastic.

For example, the granted publication No. CN105328862B2 discloses a screw mounting structure of an injection molding machine, which solves the problems that the screw always fails in different degrees during the processes of melting and injecting the glue, and on the other hand, the replacement of the screw with the replacement of the mold is increasingly frequent, and the convenient disassembly and assembly of the screw also becomes a necessary condition for designing a screw mounting and fixing structure.

Disclosure of Invention

To the above problem, the utility model provides a screw rod that injection molding machine easy to assemble used has the effect of the installation location of being convenient for.

The technical scheme of the utility model is that:

the utility model provides a screw rod that injection molding machine of easy to assemble, includes the axis of rotation, the front surface of axis of rotation is inserted and is equipped with the screw rod, the surface cover of axis of rotation is equipped with the swivel nut, the one end fixed mounting that the swivel nut is close to the screw rod has the metal locating plate that leans out, metal locating plate has first arc piece in the face of a side top fixed mounting of axis of rotation, the mounting hole corresponding with first arc piece is seted up to the surface of axis of rotation, the screw rod is located the inside one end surface of axis of rotation and sets up the locating hole relative with the mounting hole, the inner wall of mounting hole has the spacing subassembly that is used for positioning screw through dead lever swing joint, and spacing subassembly activity is between mounting hole and locating hole, the surface threaded connection of swivel nut has the position sleeve that is used for promoting first arc piece.

In a further technical scheme, spacing subassembly includes and fixes the collar at the mounting hole opening part through the dead lever, the inside sliding connection of collar has the connecting rod, the top fixed mounting of connecting rod has the second arc piece that uses with first arc piece cooperation, the bottom of connecting rod has the stopper through gim peg fixed mounting, and the stopper is connected with the inner wall looks joint of locating hole.

In a further technical scheme, the metal positioning plate, the first arc block and the limiting assembly are all provided with six metal positioning plates, and are all distributed circumferentially.

In a further technical scheme, the diameter of the connecting rod is smaller than that of the fixing bolt, the diameter of the fixing bolt is the same as that of the mounting ring, and an extension spring is fixedly mounted between the outer surface of the mounting ring and the top end of the fixing bolt.

In a further technical scheme, the number of the fixed rods is six, and the fixed rods are radially arranged from the outer surface of the mounting ring to the inner wall of the mounting hole.

In a further technical scheme, the threaded sleeve and the positioning sleeve are both cylindrical with a large end and a small end.

The utility model has the advantages that:

1. the threaded sleeve sleeved on the outer surface of the rotating shaft is convenient for installing the positioning sleeve to screw and fasten the threaded sleeve, and the outward inclined metal positioning plate can be pushed to approach to the center of the rotating shaft while the positioning sleeve and the threaded sleeve are screwed, so that the first arc block on the outer surface of the metal positioning plate supports against the limiting assembly to limit the positioning hole, the effect of fixing the screw rod is achieved, and direct disassembly is convenient;

2. through setting up the collar of fixing at the mounting hole opening part by the dead lever, can make the connecting rod insert the inner wall of establishing the collar to when the second arc piece receives the top of first arc piece to move, have gliding effect, at the below installation stopper of connecting rod, can be when the second arc piece pushes up down, inject the inside of locating hole with the stopper, along with the thread tightening of swivel nut and position sleeve and carry out the locking state to the screw.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of an assembly structure of the embodiment of the present invention;

FIG. 3 is a schematic structural view of the embodiment of the present invention;

fig. 4 is a schematic side view of a cross-sectional structure of an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a limiting assembly according to an embodiment of the present invention.

Description of reference numerals:

1. a rotating shaft; 2. a screw; 3. a threaded sleeve; 4. a metal positioning plate; 5. a first arc block; 6. a positioning sleeve; 7. mounting holes; 8. positioning holes; 9. a limiting component; 901. a mounting ring; 902. an extension spring; 903. a second arc block; 904. a connecting rod; 905. a fixing bolt; 906. a limiting block; 10. and (5) fixing the rod.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-5, a screw rod for injection molding machine easy to assemble, including axis of rotation 1, the front surface of axis of rotation 1 is inserted and is equipped with screw rod 2, the surface cover of axis of rotation 1 is equipped with swivel nut 3, one end fixed mounting that swivel nut 3 is close to screw rod 2 has metal locating plate 4 that leans out, metal locating plate 4 has first arc piece 5 towards a side top fixed mounting of axis of rotation 1, the surface of axis of rotation 1 is seted up with first arc piece 5 corresponding mounting hole 7, screw rod 2 is located the inside one end surface of axis of rotation 1 and has seted up the locating hole 8 relative with mounting hole 7, the inner wall of mounting hole 7 has spacing subassembly 9 that is used for positioning screw 2 through dead lever 10 swing joint, and spacing subassembly 9 is movable between mounting hole 7 and locating hole 8, the surface threaded connection of swivel nut 3 has the position sleeve 6 that is used for promoting first arc piece 5.

The working principle of the above technical scheme is as follows:

firstly, the screw rod 2 is inserted into the opening of the rotating shaft 1, the opening of the positioning hole 8 is opposite to and communicated with the mounting hole 7, then the positioning sleeve 6 is sleeved on the outer surface of the screw sleeve 3 and rotates along the direction from the rotating shaft 1 to the screw rod 2, at the moment, the metal positioning plate 4 inclined at the top end of the screw sleeve 3 can be folded towards the middle along with the continuous push-type rotation of the positioning sleeve 6, so that the first arc block 5 is also folded, at the moment, the first arc block 5 can be seen to be folded to enable the limiting component 9 to be pushed into the groove of the mounting hole 7, then the bottom end is clamped into the positioning hole 8, the screw rod 2 is locked and fixed, when the screw rod 2 needs to be disassembled and replaced, the positioning sleeve 6 is reversely rotated, the metal positioning plate 4 is enabled to be in an inclined state, at the moment, the first arc block 5 also leaves the contact surface of the limiting component 9, and at the moment, the screw rod 2 is pulled out of the rotating shaft 1.

In another embodiment, as shown in fig. 1, fig. 4 and fig. 5, the limiting component 9 includes a mounting ring 901 fixed at the opening of the mounting hole 7 through a fixing rod 10, a connecting rod 904 is slidably connected inside the mounting ring 901, a second arc block 903 used in cooperation with the first arc block 5 is fixedly mounted at the top end of the connecting rod 904, a limiting block 906 is fixedly mounted at the bottom end of the connecting rod 904 through a fixing bolt 905, and the limiting block 906 is clamped with the inner wall of the positioning hole 8.

When the first arc block 5 is pressed towards the opening of the mounting hole 7 due to the gathering of the metal positioning plate 4, the first arc block 5 is preferentially connected with the second arc block 903, the first arc block 5 can be continuously pushed towards the second arc block 903 along with the fixation of the positioning sleeve 6 and the screw sleeve 3, and when the second arc block 903 is pushed into the mounting hole 7, the connecting rod 904 can slide at the central opening of the mounting ring 901, so that the connecting rod 904 can be stably kept, and meanwhile, the limiting block 906 on the bottom surface of the connecting rod 904 can be inserted into the positioning hole 8.

In another embodiment, as shown in fig. 1 and 2, six metal positioning plates 4, six first arc blocks 5, and six limiting assemblies 9 are provided and are circumferentially distributed.

Six evenly distributed states provide stability to the screw 2 when it is secured.

In another embodiment, as shown in fig. 5, the diameter of the connecting rod 904 is smaller than the diameter of the fixing bolt 905, the diameter of the fixing bolt 905 is the same as the diameter of the mounting ring 901, and the extension spring 902 is fixedly mounted between the outer surface of the mounting ring 901 and the top end of the fixing bolt 905.

When connecting rod 904 slides in the inner wall of collar 901, can make extension spring 902 stretched along with the distance that stretches out, have the ability of reseing, when position sleeve 6 is fixed on the screw shell 3 surface constantly, stopper 906 is located the inside of locating hole 8 always, in case when position sleeve 6 antiport keeps away from metal locating plate 4, first arc piece 5 leaves the surface of second arc piece 903 along with the state that metal locating plate 4 leaned out, then stopper 906 no longer receives pressure, extension spring 902 at this moment is also no longer stretched, make stopper 906 leave the inside of locating hole 8 through reseing, the setting of the device can be convenient for relieve the spacing of screw rod 2 fast.

In another embodiment, as shown in fig. 5, the number of the fixing rods 10 is six, and each fixing rod is installed radially from the outer surface of the installation ring 901 to the inner wall of the installation hole 7.

The mounting ring 901 can be mounted with stability.

In another embodiment, as shown in fig. 1, the threaded sleeve 3 and the positioning sleeve 6 are both cylindrical with a large end and a small end.

When the positioning sleeve 6 is movably screwed towards one end of the screw sleeve 3, the smaller end of the positioning sleeve is in contact with the metal positioning plate 4, so that the metal positioning plate 4 can be in a continuously folded state, and the cylindrical positioning sleeve is also held by a hand to be convenient to rotate.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a screw rod that injection molding machine that easy to assemble was used, includes axis of rotation (1), its characterized in that: the utility model discloses a positioning device for positioning screw rod, including axis of rotation (1), the front surface of axis of rotation (1) is inserted and is equipped with screw rod (2), the surface cover of axis of rotation (1) is equipped with swivel nut (3), one end fixed mounting that swivel nut (3) are close to screw rod (2) has metal locating plate (4) that leans out, metal locating plate (4) have first arc piece (5) in the face of a side top fixed mounting of axis of rotation (1), mounting hole (7) corresponding with first arc piece (5) are seted up to the surface of axis of rotation (1), screw rod (2) are located the inside one end surface of axis of rotation (1) and seted up locating hole (8) relative with mounting hole (7), the inner wall of mounting hole (7) has spacing subassembly (9) that are used for positioning screw rod (2) through dead lever (10) swing joint, and spacing subassembly (9) activity is between mounting hole (7) and locating hole (8), the surface threaded connection of swivel nut (3) has positioning sleeve (6) that are used for promoting first arc piece (5).

2. The screw for an injection molding machine easy to install according to claim 1, wherein: spacing subassembly (9) include and fix collar (901) at mounting hole (7) opening part through dead lever (10), the inside sliding connection of collar (901) has connecting rod (904), the top fixed mounting of connecting rod (904) has second arc piece (903) that use with first arc piece (5) cooperation, there is stopper (906) bottom of connecting rod (904) through gim peg (905) fixed mounting, and stopper (906) and the inner wall looks joint of locating hole (8).

3. The screw for injection molding machine easy to assemble of claim 1, wherein: six metal positioning plates (4), six first arc blocks (5) and six limiting assemblies (9) are arranged and are distributed circumferentially.

4. A screw for an injection molding machine easy to install according to claim 2, wherein: the diameter of the connecting rod (904) is smaller than that of the fixing bolt (905), the diameter of the fixing bolt (905) is the same as that of the mounting ring (901), and an extension spring (902) is fixedly mounted between the outer surface of the mounting ring (901) and the top end of the fixing bolt (905).

5. The screw for injection molding machine easy to assemble of claim 1, wherein: the number of the fixed rods (10) is six, and the fixed rods are radially arranged from the outer surface of the mounting ring (901) to the inner wall of the mounting hole (7).

6. The screw for injection molding machine easy to assemble of claim 1, wherein: the threaded sleeve (3) and the positioning sleeve (6) are both cylindrical with a large end and a small end.