CN215512227U

CN215512227U - Injection formula feed arrangement for blowing machine

Info

Publication number: CN215512227U
Application number: CN202120700190.3U
Authority: CN
Inventors: 闾庄峰
Original assignee: Suzhou Huayue Xinghan Machinery Co ltd
Current assignee: Suzhou Huayue Xinghan Machinery Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2022-01-14
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses an injection type feeding device for a blow molding machine, which comprises an injection machine barrel, an injection screw, a transmission seat and a reduction gearbox which are sequentially connected from left to right, wherein the injection screw is arranged in the injection machine barrel in a penetrating way, the end of the injection machine barrel, which is close to the transmission seat, is provided with a machine barrel fixing seat, two injection oil cylinders are fixed on the machine barrel fixing seat, a discharging pull plate is arranged above the machine barrel fixing seat, the injection molding machine is characterized in that a hopper seat is slidably connected onto the injection molding machine, a hopper is fixed on the hopper seat, a mold moving oil cylinder is arranged below a machine barrel fixing seat, a plurality of machine barrel heaters are arranged in the axial direction of an injection machine barrel, a reduction gearbox fixing seat is sleeved on a transmission seat, a pull rod is connected between the injection oil cylinder and the reduction gearbox fixing seat, linear guide rails are connected below the machine barrel fixing seat and the reduction gearbox fixing seat, a motor mounting plate is arranged above the reduction gearbox, a servo twisting motor is fixed on the motor mounting plate, and a reduction gearbox fixing plate is arranged below the reduction gearbox. The utility model has the beneficial effects that: small volume, simple structure, convenient assembly, maintenance and disassembly.

Description

Injection formula feed arrangement for blowing machine

Technical Field

The utility model relates to the technical field of blow molding machines, in particular to an injection type feeding device for a blow molding machine.

Background

Blow molding, also known as blow molding, is a rapidly developing plastic processing method. The thermoplastic resin is extruded or injection molded to obtain tubular plastic parison, which is hot or heated to soften and set inside a split mold, and after the mold is closed, compressed air is introduced into the parison to expand the parison to cling to the inner wall of the mold. Blow molding can be divided into extrusion blow molding and injection blow molding, and a blow molding machine is a plastic processing machine and can be divided into three major categories, namely an extrusion blow molding machine, an injection blow molding machine and a special structure blow molding machine. The extrusion blow molding machine is a combination of the extruder, the blow molding machine and a mold clamping mechanism, and consists of an extruder, a parison die head, a blowing device, a mold clamping mechanism, a parison thickness control system and a transmission mechanism, wherein the parison die head is one of important parts for determining the quality of a blow molded product. Most of blow molding machines on the market today extrude materials through the injection pressure given by the injection oil cylinder on the die head, so that the overall structure of the die head is complex, the size is large and heavy, and the assembly, maintenance and disassembly of the die head are affected.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an injection type feeding device for a blow molding machine, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: an injection type feeding device for a blow molding machine comprises an injection machine barrel, an injection screw, a transmission seat and a reduction gearbox which are sequentially connected from left to right, wherein the injection screw penetrates through the injection machine barrel, a barrel fixing seat is arranged at the end, close to the transmission seat, of the injection machine barrel, two injection oil cylinders are fixed on the barrel fixing seat, a discharging pull plate is arranged above the barrel fixing seat, a hopper seat is connected on the barrel fixing seat in a sliding manner, a hopper is fixed on the hopper seat, a mold moving oil cylinder is arranged below the barrel fixing seat, a plurality of barrel heaters are arranged along the axial direction of the injection machine barrel, the transmission seat is sleeved with the reduction gearbox fixing seat, a pull rod is connected between the injection oil cylinders and the reduction gearbox fixing seat, linear guide rails are respectively connected below the barrel fixing seat and the reduction gearbox fixing seat, a motor mounting plate is arranged above the reduction gearbox, and a servo material twisting motor is fixed on the motor, and a reduction gearbox fixing plate is arranged below the reduction gearbox and fixed on the linear guide rail.

Preferably, the two injection oil cylinders are symmetrically arranged on the front side and the rear side of the injection machine barrel, and the injection machine barrel, the injection screw and the transmission seat are designed in a coaxial manner.

Preferably, the feeding pulling plate is provided with a rectangular groove, the left side edge and the right side edge of the feeding pulling plate are provided with hopper seat pressing strips, and the hopper seats are clamped in the groove of the feeding pulling plate.

Further preferably, a waste discharge pipe is arranged on the rear side of the discharging pull plate, and handles are arranged on the front side and the rear side of the hopper seat.

Preferably, a barrel support is arranged at the end, far away from the transmission seat, of the injection barrel, and a first locking nut is arranged between the injection barrel and the barrel fixing seat.

Further preferably, a cushion block is arranged between the injection screw and the transmission seat, a bearing cover is arranged at the end, close to the injection screw, of the transmission seat, and a gland is arranged on the side edge, far away from the transmission seat, of the bearing cover.

Further preferably, a cylindrical roller bearing is arranged in the bearing cover and sleeved on the transmission seat.

Preferably, a thrust ball bearing is arranged between the transmission seat and the reduction gearbox fixing seat, a tapered roller bearing is arranged at the end, close to the reduction gearbox, of the transmission seat, and a second locking nut is arranged on the side, close to the reduction gearbox, of the tapered roller bearing.

Preferably, the reduction gearbox is in key connection with the transmission seat through a flat key, a flange is arranged between the reduction gearbox and the transmission seat, and a reduction gearbox fixing plate is arranged below the reduction gearbox and fixed on the linear guide rail.

Has the advantages that: the injection type feeding device for the blow molding machine has the advantages of small volume, simple structure, low manufacturing cost, low operation cost, convenience in assembly, maintenance and disassembly, convenience in controlling the extrusion pressure of the die head of the blow molding machine, realization of material twisting and extrusion through the injection screw, guarantee of uniform material stirring and further simplification of the feeding device.

Drawings

Fig. 1 is a schematic axial side structure diagram of an injection type feeding device for a blow molding machine according to an embodiment of the present invention;

fig. 2 is a schematic front view of an injection type feeding device for a blow molding machine according to an embodiment of the present invention;

FIG. 3 is a schematic top view of an injection feeding device for a blow molding machine according to an embodiment of the present invention;

fig. 4 is a front cross-sectional structural schematic view of an injection feeding device for a blow molding machine according to an embodiment of the present invention.

Reference numerals: 1-injection machine barrel, 2-injection screw, 3-transmission seat, 4-reduction gearbox, 5-machine barrel fixing seat, 6-injection oil cylinder, 7-mould moving oil cylinder, 8-discharging pull plate, 9-hopper seat pressing strip, 10-hopper seat, 11-hopper, 12-handle, 13-waste discharge pipe, 14-first locking nut, 15-machine barrel support, 16-machine barrel heater, 17-reduction gearbox fixing seat, 18-pull rod, 19-linear guide rail, 20-bearing cover, 21-pressing cover, 22-reduction gearbox fixing plate, 23-motor mounting plate, 24-servo twisting motor, 25-cushion block, 26-cylindrical roller bearing, 27-thrust ball bearing, 28-conical roller bearing and 29-second locking nut.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Examples

As shown in fig. 1-4, an injection type feeding device for a blow molding machine comprises an injection cylinder 1, an injection screw 2, a transmission seat 3 and a reduction gearbox 4 which are sequentially connected from left to right, wherein the injection screw 2 is arranged in the injection cylinder 1 in a penetrating manner, a cylinder fixing seat 5 is arranged at the end of the injection cylinder 1 close to the transmission seat 3, two injection cylinders 6 are fixed on the cylinder fixing seat 5, a discharging pull plate 8 is arranged above the cylinder fixing seat 5, a hopper seat 10 is connected on the discharging pull plate in a sliding manner, a hopper 11 is fixed on the hopper seat 10, a mould moving cylinder 7 is arranged below the cylinder fixing seat 5, a plurality of cylinder heaters 16 are arranged along the axial direction of the injection cylinder 1, the transmission seat 3 is sleeved with the reduction gearbox fixing seat 17, a pull rod 18 is connected between the injection cylinder 6 and the reduction gearbox fixing seat 17, linear guide rails 19 are connected below the cylinder fixing seat 5 and the reduction gearbox fixing seat 17, a motor mounting plate 23 is arranged above the reduction gearbox 4, a servo material twisting motor 24 is fixed on the motor mounting plate, and a reduction gearbox fixing plate 22 is arranged below the reduction gearbox 4 and fixed on the linear guide rail 19.

In the present application, the injection barrel 1 melts the material by means of a barrel heater 16; the injection screw 2 is used for uniformly stirring the molten materials and extruding the molten materials out of the injection machine barrel 1; the transmission seat 3 is used for connecting the injection screw 2 with the reduction gearbox 4; the reduction gearbox 4 is used for adjusting the output rotating speed of the servo material twisting motor 24, has a speed reduction effect on the transmission seat 3, and drives the transmission seat 3 to rotate through the rotation of the servo material twisting motor 24 so as to drive the injection screw 2 to rotate, so that the molten material in the injection machine barrel 1 is stirred; the injection oil cylinder 6 pulls the reduction gearbox fixing seat 17 to move left and right through the pull rod 18, so that the transmission seat 3 and the reduction gearbox 4 are driven to move left and right synchronously, the injection screw 2 is driven to move left and right, and the uniformly stirred materials are extruded out of the injection machine barrel 1; the hopper 11 is used for discharging, the discharging pull plate 8 is used for placing the hopper 11 and is used as a moving platform of the hopper 11, and the mold moving oil cylinder 7 is used for adjusting and fixing the position of the machine barrel fixing seat 5. Utilize injection cylinder 6 to replace traditional penetrating material hydro-cylinder for whole injection formula feed arrangement's volume diminishes, and simple structure is lightened, and the assembly and the maintenance of being convenient for are dismantled, conveniently control blowing machine die head extrusion pressure, realize the hank material and crowded material through injection screw 2, further simplify feed arrangement.

Preferably, the two injection oil cylinders 6 are symmetrically arranged on the front side and the rear side of the injection machine barrel 1, so that the injection machine barrel 1 and the injection oil cylinders 6 on the two sides are ensured to be in the same parallelism, the reduction gearbox fixing seat 17 is ensured to be subjected to the same pulling force provided by the injection oil cylinders 6, and the transmission seat 3 and the reduction gearbox 4 are ensured to move stably; the injection machine barrel 1, the injection screw 2 and the transmission seat 3 are designed in a coaxial manner, so that the injection screw 2 is ensured to move smoothly left and right.

Preferably, the discharging pull plate 8 is provided with a rectangular groove, the left side edge and the right side edge of the discharging pull plate are provided with hopper seat pressing strips 9, and the hopper seat 10 is clamped in the groove of the discharging pull plate 8. In this application, hopper seat 10 is used for the support of hopper 11, hopper seat 10 slides in the recess of blowing arm-tie 8, hopper seat layering 9 is used for hopper seat 10 fixed and as the direction of removal, through hopper seat 10's removal, realizes opening and shutting of the feed inlet of hopper 11.

Preferably, a waste discharge pipe 13 is arranged at the rear side of the discharging pull plate 8 and is used for cleaning and discharging materials overflowing from the hopper 11 when the hopper moves; handles 12 are arranged on the front side and the rear side of the hopper seat 10, so that the hopper seat 10 can be pulled manually, and the position of the hopper 11 can be adjusted.

Preferably, a barrel support 15 is arranged at the end of the injection barrel 1 far away from the transmission seat 3, and is used for supporting the injection barrel 1, so that the stability of the injection barrel 1 is ensured; a first locking nut 14 is arranged between the injection machine barrel 1 and the machine barrel fixing seat 5, the machine barrel fixing seat 5 is axially fixed, and the fixing of the machine barrel fixing seat 5 and the injection machine barrel 1 is guaranteed to be firm.

Preferably, a cushion block 25 is arranged between the injection screw 2 and the transmission seat 3, so that the injection screw 2 and the transmission seat 3 are firmly connected; the end of the transmission seat 3 close to the injection screw 2 is provided with a bearing cover 20, the injection screw 2 is axially positioned, and the connecting end of the injection screw 2 and the transmission seat 3 is sealed and dustproof; the side of bearing cap 20, far away from transmission seat 3, is equipped with gland 21, plays axial positioning to transmission seat 3, and the effect of fixed bearing cap 20.

Preferably, the bearing cap 20 is provided with a cylindrical roller bearing 26, which is sleeved on the transmission seat 3 and can bear a large radial load to protect the injection screw 2.

Preferably, a thrust ball bearing 27 is arranged between the transmission seat 3 and the reduction gearbox fixing seat 17 and is used for bearing axial load; the end of the transmission seat 3 close to the reduction gearbox 4 is provided with a tapered roller bearing 28 which bears radial and axial combined loads mainly in the radial direction to protect the transmission seat 3; and a second locking nut 29 is arranged on the side edge of the tapered roller bearing 28 close to the reduction gearbox 4 and used for axially fixing the tapered roller bearing 28.

Preferably, the reduction gearbox 4 is in key connection with the transmission seat 3 through a flat key pin, and the transmission seat 3 is axially fixed; and a flange is arranged between the reduction gearbox 4 and the transmission seat 3 to play a role in buffering.

In this application, injection formula feed arrangement's work flow does: the method comprises the steps of putting raw materials into a hopper 11, electrifying a barrel heater 16, heating an injection barrel 1, heating the materials entering the injection barrel to melt the materials, driving a transmission seat 3 to rotate through a reduction gearbox 4 by the action of a servo material twisting motor 24, driving an injection screw 2 to rotate, stirring the melted materials to be uniform, driving a reduction gearbox fixing seat 17 and the transmission seat 3 and the reduction gearbox 4 connected with the reduction gearbox fixing seat to move leftwards by the action of an injection oil cylinder 6, pushing the injection screw 2 connected with the transmission seat 3 to move leftwards, and extruding and injecting the uniformly stirred materials. The reduction gearbox fixing plate 22, the motor mounting plate 23 and the servo material twisting motor 24 move synchronously with the reduction gearbox 4.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the contents of the present invention within the scope of the protection of the present invention.

Claims

1. The utility model provides an injection formula feed arrangement for blow molding machine, includes from left to right injection barrel (1), injection screw (2), driving seat (3) and reducing gear box (4) that connect gradually, its characterized in that: the injection screw (2) is arranged in the injection machine barrel (1) in a penetrating manner, a barrel fixing seat (5) is arranged at the end, close to a transmission seat (3), of the injection machine barrel (1), two injection oil cylinders (6) are fixed on the barrel fixing seat (5), a discharging pull plate (8) is arranged above the barrel fixing seat (5), a hopper seat (10) is connected onto the barrel fixing seat in a sliding manner, a hopper (11) is fixed on the hopper seat (10), a mold moving oil cylinder (7) is arranged below the barrel fixing seat (5), a plurality of barrel heaters (16) are arranged along the axial direction of the injection machine barrel (1), a reduction box fixing seat (17) is sleeved on the transmission seat (3), a pull rod (18) is connected between the injection oil cylinder (6) and the reduction box fixing seat (17), and linear guide rails (19) are connected below the barrel fixing seat (5) and the reduction box fixing seat (17), a motor mounting plate (23) is arranged above the reduction gearbox (4), a servo material twisting motor (24) is fixed on the motor mounting plate, and a reduction gearbox fixing plate (22) is arranged below the reduction gearbox (4) and fixed on the linear guide rail (19).

2. The injection molding machine according to claim 1, wherein: the two injection oil cylinders (6) are symmetrically arranged on the front side and the rear side of the injection machine barrel (1), and the injection machine barrel (1), the injection screw (2) and the transmission seat (3) are designed in a coaxial manner.

3. The injection molding machine according to claim 1, wherein: the feeding pull plate (8) is provided with a rectangular groove, the left side edge and the right side edge of the feeding pull plate are both provided with hopper seat pressing strips (9), and the hopper seats (10) are clamped in the groove of the feeding pull plate (8).

4. The injection molding machine according to claim 1, wherein: the rear side of blowing arm-tie (8) is equipped with row waste pipe (13), both sides all are equipped with handle (12) around hopper seat (10).

5. The injection molding machine according to claim 1, wherein: a machine barrel support (15) is arranged at the end, far away from the transmission seat (3), of the injection machine barrel (1), and a first locking nut (14) is arranged between the injection machine barrel (1) and the machine barrel fixing seat (5).

6. The injection molding machine according to claim 1, wherein: be equipped with cushion (25) between injection screw rod (2) and transmission seat (3), the end of being close to injection screw rod (2) of transmission seat (3) is equipped with bearing cap (20), the side of keeping away from transmission seat (3) of bearing cap (20) is equipped with gland (21).

7. The injection molding machine according to claim 6, wherein: a cylindrical roller bearing (26) is arranged in the bearing cover (20) and sleeved on the transmission seat (3).

8. The injection molding machine according to claim 1, wherein: a thrust ball bearing (27) is arranged between the transmission seat (3) and the reduction gearbox fixing seat (17), a tapered roller bearing (28) is arranged at the end, close to the reduction gearbox (4), of the transmission seat (3), and a second locking nut (29) is arranged on the side, close to the reduction gearbox (4), of the tapered roller bearing (28).

9. The injection molding machine according to claim 1, wherein: the reduction gearbox (4) is in key connection with the transmission seat (3) through a flat key pin, and a flange is arranged between the reduction gearbox (4) and the transmission seat (3).