Stable traction device for plastic extruder
Technical Field
The utility model relates to the technical field of plastic extruders, in particular to a stable traction device for a plastic extruder.
Background
The plastic extruder is a device for plastic processing, is mainly used for extrusion molding of plastic raw materials through a die after heating and melting, has an important role in the plastic processing industry, and can be used for molding plastic materials into required shapes such as pipelines, sectional materials, films and the like.
The reason that the plastics extruder needs to pull is in order to ensure that plastics material can evenly, stably pass through the extruder to guarantee the accuracy of size and shape of product, in prior art, the pipeline is extruding and drawing the time, need carry out centre gripping and pull to the pipeline through the clamping component, but most clamping components are when using, can't adjust the clamping dynamics, make the pipeline atress by extrusion deformation easily, reduce the qualification rate of pipeline production, the practicality is not enough, consequently need redesign a stable draw gear for plastics extruder to above-mentioned problem.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a stable traction device for a plastic extruder.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a stable draw gear for plastics extruder, includes the bottom plate, the bottom plate up end rotates through the lift frame and installs first screw rod, lift frame up end fixed mounting has the first motor of being connected with first screw rod, first screw rod outer wall passes through stop gear screw thread rotation and installs the movable plate, the movable plate up end passes through coupling mechanism fixedly connected with guide frame, guide frame inside rotation installs many deflector rolls, the equal fixed mounting of guide frame both sides outer wall has the movable frame, one of them the inside rotation of movable frame installs the second screw rod, one of them movable frame outer wall fixed mounting has the second motor of being connected with the second screw rod, second screw rod outer wall screw thread rotation install with the movable sleeve, another one the movable frame inside has the stable cover through stable mechanism slidable mounting, the stable cover is with movable sleeve up end joint frame of common fixedly connected with, joint frame both sides inner wall all is fixedly connected with mounting panel through telescopic machanism, two the equal fixed mounting of mounting panel inner wall has two spring telescopic links, two the same side spring telescopic link end have the equal fixed mounting of two clamping pads.
Preferably, the limiting mechanism comprises a limiting rod fixedly installed inside the lifting frame, and the limiting rod penetrates through the moving plate in a sliding mode.
Preferably, the connecting mechanism comprises a plurality of connecting rods fixedly arranged on the upper end face of the movable plate, and the end parts of each connecting rod are fixedly connected with the outer bottom wall of the material guiding frame.
Preferably, the stabilizing mechanism comprises a stabilizing rod fixedly mounted inside the moving frame, the stabilizing rod sliding through the stabilizing sleeve.
Preferably, the telescopic mechanism comprises an electric push rod fixedly mounted inside the connecting frame, and the telescopic end of the electric push rod is fixedly connected with the outer wall of the mounting plate.
Preferably, two locating rods are fixedly installed on the outer walls of the clamping plates, and each locating rod penetrates through the connecting frame in a sliding mode.
The utility model has the beneficial effects that:
1. through setting up components such as spring telescopic link, slipmat and locating lever, under spring telescopic link's elastic action, can carry out elastic adjustment to the centre gripping dynamics, when not influencing the centre gripping and pull the effect, still can avoid the too big damage that causes plastic pipe of centre gripping dynamics, slipmat multiplicable and plastic pipe outer wall's frictional force improves the fastness when centre gripping, stability when two grip blocks of multiplicable removal of locating lever.
2. Through setting up components such as first screw rod, fly leaf and connecting rod, the first screw rod accessible drives the fly leaf and removes with the cooperation of gag lever post when rotating, and the fly leaf is the cooperation of accessible many connecting rods when removing drives the guide frame and upwards moves, can carry out convenient adjustment to the height of many deflector rolls 9 and two grip blocks from this.
Drawings
FIG. 1 is a schematic view of a stable traction device for a plastic extruder according to the present utility model;
FIG. 2 is a schematic vertical sectional view of FIG. 1;
FIG. 3 is a schematic top cross-sectional view of a stabilizing traction device for a plastic extruder according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3.
In the figure: 1 a bottom plate, 2 lifting frames, 3 a first screw, 4 a first motor, 5 a limit rod, 6a moving plate, 7 a connecting rod, 8a material guiding frame, 9 a guide roller, 10a moving frame, 11 a second screw, 12 a second motor, 13 a moving sleeve, 14 a stabilizing rod, 15 a stabilizing sleeve, 16 a connecting frame, 17 an electric push rod, 18a mounting plate, 19 a spring telescopic rod, 20a clamping plate, 21 an anti-skid pad and 22 a positioning rod.
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.
Referring to fig. 1-5, a stable traction device for a plastic extruder comprises a bottom plate 1, wherein a first screw rod 3 is rotatably arranged on the upper end surface of the bottom plate 1 through a lifting frame 2, a first motor 4 connected with the first screw rod 3 is fixedly arranged on the upper end surface of the lifting frame 2, a movable plate 6 is rotatably arranged on the outer wall of the first screw rod 3 through a limiting mechanism in a threaded manner, the limiting mechanism comprises a limiting rod 5 fixedly arranged inside the lifting frame 2, the limiting rod 5 penetrates through the movable plate 6 in a sliding manner, the limiting rod 5 can limit the movable plate 6, the movable plate 6 can only axially move along the outer wall of the first screw rod 3, a guide frame 8 is fixedly connected to the upper end surface of the movable plate 6 through a connecting mechanism, the connecting mechanism comprises a plurality of connecting rods 7 fixedly arranged on the upper end surface of the movable plate 6, and the end part of each connecting rod 7 is fixedly connected with the outer bottom wall of the guide frame 8.
The inside rotation of guide frame 8 is installed many deflector rolls 9, guide frame 8 both sides outer wall equal fixed mounting has and removes frame 10, one of them removes the inside rotation of frame 10 and installs second screw rod 11, one of them removes the second motor 12 that frame 10 outer wall fixed mounting has and is connected with second screw rod 11, second screw rod 11 outer wall screw thread rotation install with remove cover 13, another one removes the inside stable cover 15 that has through stable mechanism slidable mounting of frame 10, stable mechanism includes fixed mounting at the inside stabilizer bar 14 of removing frame 10, stabilizer bar 14 slides and runs through stable cover 15, stable cover 15 and the common fixedly connected with of 13 up end of removal cover link up frame 16.
The inner walls of two sides of the connecting frame 16 are fixedly connected with mounting plates 18 through telescopic mechanisms, the telescopic mechanisms comprise electric push rods 17 fixedly mounted inside the connecting frame 16, telescopic ends of the electric push rods 17 are fixedly connected with outer walls of the mounting plates 18, two spring telescopic rods 19 are fixedly mounted on the inner walls of the two mounting plates 18, clamping plates 20 are fixedly connected with telescopic ends of the two spring telescopic rods 19 on the same side together, anti-slip pads 21 are fixedly mounted on the inner walls of the two clamping plates 20, two positioning rods 22 are fixedly mounted on the outer walls of the two clamping plates 20, and each positioning rod 22 penetrates through the connecting frame 16 in a sliding mode.
When the utility model is used, the first motor 4 can drive the first screw rod 3 to rotate, the first screw rod 3 can drive the moving plate 6 to move through the cooperation with the limiting rod 5 when rotating, the moving plate 6 can drive the material guiding frame 8 to move upwards through the cooperation of the plurality of connecting rods 7 when moving, so that the heights of the plurality of guide rollers 9 and the two clamping plates 20 can be conveniently adjusted, when the plastic pipeline is pulled, the electric push rods 17 on two sides can respectively drive the mounting plates 18 on the same side to move, so that the clamping plates 20 on two sides can mutually move, the plastic pipeline is clamped through the anti-skid pad 21, the friction force between the anti-skid pad 21 and the outer wall of the plastic pipeline can be increased, the firmness during clamping is improved, and in the telescopic process of the electric push rods 17, the two positioning rods 22 on the same side can be driven to slide on the inner wall of the connecting frame 16, so that the stability during the movement of the two clamping plates 20 can be increased;
In the process of clamping the plastic pipeline by the two clamping plates 20, the clamping force can be elastically adjusted through the elastic action of the two spring telescopic rods 19 at two sides, the damage of the plastic pipeline caused by overlarge clamping force can be avoided while the clamping traction effect is not affected, the second motor 12 can drive the second screw 11 to rotate, the second screw 11 can drive the connecting frame 16 to move through the cooperation of the movable sleeve 13 during rotation, the connecting frame 16 drives the stabilizing sleeve 15 to slide on the outer wall of the stabilizing rod 14, so that the stability of the connecting frame 16 during movement can be increased, the connecting frame 16 can drive the two clamping plates 20 to clamp and draw the plastic pipeline at the moment, and the plastic pipeline can be enabled to move on the outer walls of the guide rollers 9 so as to prevent the plastic pipeline from bending deformation during traction.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.