An electrically powered radial wall thickness adjusting device

Abstract

The application discloses a radial wall thickness adjusting device of an electric type, which comprises a wall thickness adjusting frame, an annular spring sheet, a die nozzle group core and two first adjusting frames, the annular spring sheet is installed on the inner side of the wall thickness adjusting frame, a gap exists between the lower end of the die nozzle group core and the inner side wall of the annular spring sheet, the first adjusting frame is provided with a first motor, the first motor is connected with a first worm, the first adjusting frame is rotationally connected with a first connecting seat, the first connecting seat is provided with a first worm wheel on the upper side, the first worm is in mesh transmission with the first worm wheel, the first connecting seat is connected with a first lead screw, the first lead screw is connected with a first joint rod, and the first joint rod is connected with the outer side wall of the annular spring sheet. The radial wall thickness adjusting device of the electric type is controlled by the motor to rotate the connecting seat, so that the joint rod deforms the internal annular spring sheet, and then the gap size between the annular spring sheet and the die nozzle group core is changed, and when the rubber material falls and forms, the wall thickness can meet the requirements of different sizes.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of blow molding, in particular to an electric radial wall thickness adjusting device. BACKGROUND

[0002] The blow molding machine is a plastic processing machine. After the liquid plastic is sprayed out, the wind power blown out by the machine is used to blow the plastic body to the mold cavity of a certain shape to make products, and this machine is called a blow molding machine. The size of the gap between the die nozzle and the die core affects the wall thickness of the blow molding part after the hot melt glue is extruded. The current blow molding equipment does not have the function of adjusting the wall thickness, resulting in the single wall thickness of the blow molding part. SUMMARY

[0003] One object of the present application is to provide an electric radial wall thickness adjusting device to solve the problems existing in the prior art.

[0004] To achieve this object, the present application adopts the following technical scheme:

[0005] An electric radial wall thickness adjusting device, comprising a wall thickness adjusting frame, an annular spring sheet, a die nozzle core and two first adjusting frames, the annular spring sheet is installed on the inner side of the wall thickness adjusting frame, the lower end of the die nozzle core is located at the center position of the annular spring sheet, the lower end of the die nozzle core expands outward, there is a gap between the lower end of the die nozzle core and the inner side wall of the annular spring sheet, two first adjusting frames are symmetrically installed on both sides of the wall thickness adjusting frame, a first motor is fixed on the first adjusting frame, a first worm is connected to the driving end of the first motor, a first connecting seat is rotatably connected inside the first adjusting frame, a first worm wheel is installed on the first connecting seat, the first worm and the first worm wheel are in meshing transmission, a first lead screw is movably connected to the middle part of the first connecting seat along the horizontal direction, a first joint rod is connected to one end of the first lead screw, and the end of the first joint rod away from the first lead screw is connected with the outer side wall of the annular spring sheet after penetrating through the wall thickness adjusting frame.

[0006] As a preferred technical scheme, it further comprises two second adjusting frames, two first adjusting frames and two second adjusting frames are distributed in four directions of the wall thickness adjusting frame in a spaced manner.

[0007] As a preferred technical scheme, the second adjusting frame is fixed with a second motor, the driving end of the second motor is connected with a second worm, the inside of the second adjusting frame is rotatably connected with a second connecting seat, the middle part of the second connecting seat is movably connected with a second lead screw in the horizontal direction, one end of the second lead screw is connected with a second joint rod, and the end of the second joint rod away from the second lead screw is connected with the outside wall of the annular spring sheet after penetrating through the wall thickness adjusting frame.

[0008] As a preferred technical scheme, the first adjusting frame and the second adjusting frame are both provided with movable bearings, the two ends of the first connecting seat both penetrate through the movable bearings on the first adjusting frame, and the two ends of the second connecting seat both penetrate through the movable bearings on the second adjusting frame.

[0009] As a preferred technical scheme, the first adjusting frame is provided above with a first speed reducer, the first motor is connected to the first speed reducer, the second adjusting frame is provided above with a second speed reducer, and the second motor is connected to the second speed reducer.

[0010] As a preferred technical scheme, the upper end of the wall thickness adjusting frame is provided with a die nozzle assembly lower shell, the lower end of the die nozzle assembly lower shell is pressed on the annular spring sheet, and the upper end of the die nozzle assembly lower shell is further connected with a die nozzle assembly upper shell.

[0011] As a preferred technical scheme, the inside of the wall thickness adjusting frame is provided with a pressing block between the outside of the annular spring sheet.

[0012] As a preferred technical scheme, the lower end of the die nozzle assembly core is provided with a fixed adjusting seat, the side of the fixed adjusting seat is provided around with a plurality of adjusting screws, and the adjusting screws are penetrated through the fixed adjusting seat and are pressed on the inside wall of the die nozzle assembly core.

[0013] The beneficial effect of the present application is to provide an electric radial wall thickness adjusting device, which is controlled by a motor to rotate the connecting seat, so that the joint rod deforms the annular spring sheet inside, and then changes the gap size between the annular spring sheet and the die nozzle assembly core, and when the rubber material falls and forms, the wall thickness can meet the requirements of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described in detail below according to the drawings and examples.

[0015] Fig. 1 A perspective structural schematic view of an electric radial wall thickness adjusting device according to the examples;

[0016] Fig. 2A sectional view of an embodiment of an electric radial wall thickness adjusting device;

[0017] Fig. 3 A first partial structure schematic view of an embodiment of an electric radial wall thickness adjusting device;

[0018] Fig. 4 A second partial structure schematic view of an embodiment of an electric radial wall thickness adjusting device.

[0019] Figs. 1 to 4 In:

[0020] 1, wall thickness adjusting frame; 2, annular spring sheet; 3, nozzle assembly core; 4, first adjusting frame; 5, gap; 6, first motor; 7, first worm; 8, first connecting seat; 9, first worm wheel; 10, first screw rod; 11, first joint rod; 12, second adjusting frame; 13, second motor; 14, second screw rod; 15, second joint rod; 16, movable bearing; 17, first speed reducer; 18, second speed reducer; 19, nozzle assembly lower shell; 20, nozzle assembly upper shell; 21, pressing block; 22, fixed adjusting seat; 23, adjusting screw. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be further described below in combination with the drawings and through specific embodiments.

[0022] As Figs. 1 to 4 shown in the present embodiment, an electric radial wall thickness adjusting device includes a wall thickness adjusting frame 1, an annular spring sheet 2, a nozzle assembly core 3, and two first adjusting frames 4. The annular spring sheet 2 is installed on the inner side of the wall thickness adjusting frame 1. The lower end of the nozzle assembly core 3 is located at the center position of the annular spring sheet 2. The lower end of the nozzle assembly core 3 expands outward. There is a gap 5 between the lower end of the nozzle assembly core 3 and the inner side wall of the annular spring sheet 2. The two first adjusting frames 4 are symmetrically installed on the two sides of the wall thickness adjusting frame 1. The first adjusting frame 4 is fixed with a first motor 6. The driving end of the first motor 6 is connected with a first worm 7. The first adjusting frame 4 is rotationally connected with a first connecting seat 8 inside. The first connecting seat 8 is installed with a first worm wheel 9 on top. The first worm 7 and the first worm wheel 9 are in meshing transmission. The middle part of the first connecting seat 8 is movably connected with a first screw rod 10 along the horizontal direction. One end of the first screw rod 10 is connected with a first joint rod 11. The end of the first joint rod 11 away from the first screw rod 10 is connected with the outer side wall of the annular spring sheet 2 after passing through the wall thickness adjusting frame 1.

[0023] The two first adjusting frames 4 are used to adjust the wall thickness, the driving end of the first motor 6 rotates in the working process, the first worm 7 rotates under the control of the first motor 6, the first connecting seat 8 rotates along the horizontal direction under the meshing action, the first screw rod 10 inside the first connecting seat 8 moves in the horizontal direction under the action of the screw thread, so that the front end of the first joint rod 11 deforms the annular spring sheet 2 in the wall thickness adjusting frame 1, the gap 5 between the annular spring sheet 2 and the die nozzle group core 3 changes, and the rubber material falling from top to bottom forms different wall thickness products under the change of the gap 5, so that different product requirements are met.

[0024] The electric radial wall thickness adjusting device further comprises two second adjusting frames 12, the two adjusting frames are symmetrically installed on the two sides of the wall thickness adjusting frame 1, and the two first adjusting frames 4 and the two second adjusting frames 12 are distributed in four directions of the wall thickness adjusting frame 1 in a spaced manner.

[0025] Moreover, the second adjusting frame 12 is fixed with the second motor 13, the second worm is connected to the driving end of the second motor 13, the second connecting seat is rotatably connected to the inside of the second adjusting frame 12, the second screw rod 14 is movably connected to the middle part of the second connecting seat along the horizontal direction, the second joint rod 15 is connected to one end of the second screw rod 14, and the end, away from the second screw rod 14, of the second joint rod 15 is connected to the outside wall of the annular spring sheet 2 after penetrating through the wall thickness adjusting frame 1.

[0026] The two second adjusting frames 12 are added, and the driving control is improved from two to four, so that the two first motors 6 are matched with the two second motors 13 to realize control in four directions, and the wall thickness adjustment is more precise.

[0027] The first adjusting frame 4 and the second adjusting frame 12 are both provided with movable bearings 16, the two ends of the first connecting seat 8 penetrate through the movable bearings 16 on the first adjusting frame 4, and the two ends of the second connecting seat penetrate through the movable bearings 16 on the second adjusting frame 12, so that the first connecting seat 8 is relatively stationary with the position of the first adjusting frame 4 when rotating, and the second connecting seat is relatively stationary with the position of the second adjusting frame 12 when rotating under the action of the movable bearings 16.

[0028] The first adjusting frame 4 is provided with the first speed reducer 17, and the first motor 6 is connected to the first speed reducer 17, the second adjusting frame 12 is provided with the second speed reducer 18, and the second motor 13 is connected to the second speed reducer 18, so as to better adjust the size in details, the rotating speed of the motor is reduced through the first speed reducer 17 and the second speed reducer 18, and the movement of the first joint rod 11 and the second joint rod 15 is more precise.

[0029] And, the upper end of the wall thickness adjusting frame 1 is mounted with a die nozzle assembly lower shell 19, the lower end of the die nozzle assembly lower shell 19 is pressed on the annular spring sheet 2, and the upper end of the die nozzle assembly lower shell 19 is also connected with a die nozzle assembly upper shell 20.

[0030] The inner side of the wall thickness adjusting frame 1 is provided with a pressing block 21 between the outer side of the annular spring sheet 2.

[0031] The lower end of the die nozzle assembly core 3 is mounted with a fixed adjusting seat 22, the side of the fixed adjusting seat 22 is provided with a plurality of adjusting screws 23, the adjusting screws 23 are pressed on the inner side wall of the die nozzle assembly core 3 after passing through the fixed adjusting seat 22, and the lower end position of the die nozzle assembly core 3 can be effectively locked under the action of the adjusting screws 23, the inner wall position of the product is controlled, and the discharging condition of the rubber material is locked.

[0032] It should be noted that the above specific embodiments are only the preferred embodiments of the present application and the applied technical principles, and any changes or replacements that can be easily thought by those skilled in the art within the technical range disclosed by the present application should be covered in the protection scope of the present application.

Claims

1. An electric radial wall thickness adjustment device, characterized in that: The cam is connected with the first adjusting frame by the upper end of the lower end of the mould nozzle, and the lower end of the mould nozzle is connected with the inner wall of the mould spring sheet by the lower end of the mould nozzle.

2. The electric radial wall thickness adjustment device according to claim 1, characterized in that: It also includes two second adjustment frames, which are symmetrically installed on both sides of the wall thickness adjustment frame. The two first adjustment frames and the two second adjustment frames are distributed in four directions of the wall thickness adjustment frame in an interval manner.

3. The electric radial wall thickness adjustment device according to claim 2, characterized in that: A second motor is fixed on the second adjusting frame, a second worm is connected to the driving end of the second motor, the second adjusting frame is internally rotatably connected to the second connecting seat, the middle part of the second connecting seat is movably connected to the second lead screw along the horizontal direction, one end of the second lead screw is connected to the second connecting rod, and the end of the second connecting rod away from the second lead screw passes through the wall thickness adjustment frame and is connected to the outer wall of the annular spring sheet.

4. The electric radial wall thickness adjustment device according to claim 3, characterized in that: Both the first adjustment frame and the second adjustment frame are provided with movable bearings, both ends of the first connecting seat pass through the movable bearings on the first adjustment frame, and both ends of the second connecting seat pass through the movable bearings on the second adjustment frame.

5. The electric radial wall thickness adjustment device according to claim 3, characterized in that: A first reducer is installed above the first adjustment frame, and the first motor is connected to the first reducer. A second reducer is installed above the second adjustment frame, and the second motor is connected to the second reducer.

6. The electric radial wall thickness adjustment device according to claim 1, characterized in that: The upper end of the wall thickness adjustment frame is equipped with a die nozzle assembly lower shell, the lower end of the die nozzle assembly lower shell is pressed on the annular spring sheet, and the upper end of the die nozzle assembly lower shell is also connected to the die nozzle assembly upper shell.

7. The electric radial wall thickness adjustment device according to claim 1, characterized in that: A pressing block is provided between the inner side of the wall thickness adjustment frame and the outer side of the annular spring sheet.

8. The electric radial wall thickness adjustment device according to claim 1, characterized in that: A fixed adjustment seat is installed at the lower end of the die nozzle core assembly, and a plurality of adjustment screws are arranged around the side of the fixed adjustment seat. The adjustment screws pass through the fixed adjustment seat and press against the inner side wall of the die nozzle core assembly.

Images