CN212446223U

CN212446223U - Base for medical equipment production extruder

Info

Publication number: CN212446223U
Application number: CN202020331293.2U
Authority: CN
Inventors: 任振芳
Original assignee: Individual
Current assignee: Wuhan Jingzhicheng Technology Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2021-02-02
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a base for a medical equipment production extruder, which comprises a damping base and an extruder base in a shape like a Chinese character 'tu', wherein a groove is formed in the upper end of the damping base, a damping groove is formed in the bottom end of the groove, a sliding plate is fixedly connected with the lower end of the extruder base, a sliding groove which is vertically and slidably connected with the sliding plate is formed in the inner wall of the groove, a compression spring is symmetrically and fixedly connected with the lower end of the sliding plate relative to the damping groove, and the lower end of the compression spring is fixedly connected with the bottom end of the groove; the inner wall of the damping groove is rotatably connected with a mandrel, and a gear and a turntable are fixedly sleeved on the mandrel from back to front. The utility model discloses when the extruder base takes place vibrations, rotate through last rack belt driven gear, dabber and carousel, and then make square bar and square groove, piston plate and piston chamber produce sliding friction, can turn into internal energy gradually with a large amount of vibrations under sliding friction, have the effect of restraining vibrations, strengthen the stability of extruder in the course of the work.

Description

Base for medical equipment production extruder

Technical Field

The utility model relates to a base technical field for the extruder especially relates to a base for medical equipment production extruder.

Background

The extruder belongs to one of the types of plastic machinery, and can divide a machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of a screw.

The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

The existing base for the extruder is mostly of a fixed structure, and is driven by a motor, so that vibration is inevitably generated, and the stability of the base is general.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a base for a medical equipment production extruder.

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

a base for an extruder for medical equipment production comprises a damping base and a convex extruder base, wherein a groove is formed in the upper end of the damping base, a damping groove is formed in the bottom end of the groove, a sliding plate is fixedly connected to the lower end of the extruder base, a sliding groove which is vertically and slidably connected with the sliding plate is formed in the inner wall of the groove, compression springs are symmetrically and fixedly connected to the lower end of the sliding plate relative to the damping groove, and the lower ends of the compression springs are fixedly connected to the bottom end of the groove; the damping groove inner wall rotates and is connected with the dabber, fixed cover has connect gear and carousel after to before the dabber, slide lower extreme fixedly connected with and gear engagement's last toothed plate, the meshing of gear left side has lower toothed plate, lower extreme of lower toothed plate is equipped with damping device, the carousel is kept away from gear one side and is had the connecting rod at eccentric department symmetry pin joint, damping base has seted up two piston chambers about the damping groove symmetry, piston intracavity level has piston plate, two to airtight sliding connection in the piston chamber equal coaxial fixedly connected with piston rod in the relative one side of piston plate, the piston plate is kept away from to the piston rod one end run through the piston chamber and with the connecting rod pin joint, is located the piston intracavity the activity has cup jointed the second extension spring on the piston rod, and the both ends of second extension spring respectively with piston plate, piston chamber inner wall fixed connection.

Preferably, damping device is including fixing the square bar at lower toothed plate lower extreme, the square groove with square bar sliding connection is seted up to the bottom in the damping groove, the common fixedly connected with first extension spring of square bar lower extreme and square groove bottom.

Preferably, the inner wall of the piston cavity is provided with a sliding hole which is communicated with the damping groove and is in sliding fit with the piston rod.

Preferably, the mandrel, the gear and the turntable are coaxially arranged.

Preferably, the shock absorbing base is spaced from the extruder base.

Compared with the prior art, the base for the medical equipment production extruder has the advantages that:

the utility model discloses when the extruder base takes place vibrations, rotate through last rack belt driven gear, dabber and carousel, and then make square bar and square groove, piston plate and piston chamber produce sliding friction, can turn into internal energy gradually with a large amount of vibrations under sliding friction, have the effect of restraining vibrations, strengthen the stability of extruder in the course of the work.

Drawings

Fig. 1 is a three-dimensional structure schematic diagram of a base for a medical equipment production extruder provided by the utility model;

fig. 2 is a front perspective view of a base for a medical equipment production extruder according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1 vibration damping mount, 2 extruder base, 3 recesses, 4 damping grooves, 5 slides, 6 spouts, 7 compression spring, 8 dabbers, 9 carousels, 10 upper tooth plates, 11 lower tooth plates, 12 square bars, 13 square grooves, 14 first extension springs, 15 connecting rods, 16 piston chamber, 17 piston plates, 18 piston rods, 19 second extension springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a base for a medical equipment production extruder comprises a damping base 1 and an extruder base 2 in a shape of a Chinese character 'tu', wherein a gap exists between the damping base 1 and the extruder base 2, a vibration space of the extruder base 2 is reserved, a groove 3 is formed in the upper end of the damping base 1, a damping groove 4 is formed in the inner bottom end of the groove 3, a sliding plate 5 is fixedly connected to the lower end of the extruder base 2, a sliding groove 6 which is vertically and slidably connected with the sliding plate 5 is formed in the inner wall of the groove 3, compression springs 7 are symmetrically and fixedly connected to the lower end of the sliding plate 5 and are symmetrically connected with the damping groove 4, and the lower end of each compression spring 7 is fixedly connected with the inner bottom end of the groove 3, referring to fig;

the inner wall of the damping groove 4 is rotatably connected with a mandrel 8, the mandrel 8 is fixedly sleeved with a gear and a turntable 9 from back to front, the mandrel 8, the gear and the turntable 9 are coaxially arranged, the lower end of a sliding plate 5 is fixedly connected with an upper toothed plate 10 engaged with the gear, the left side of the gear is engaged with a lower toothed plate 11, the lower end of the lower toothed plate 11 is provided with a damping device, one side of the turntable 9, which is far away from the gear, is symmetrically pinned with a connecting rod 15 at an eccentric position, the damping base 1 is symmetrically provided with two piston cavities 16 about the damping groove 4, the piston cavities 16 are horizontally and hermetically connected with piston plates 17 in a sliding manner, one sides of the two piston plates 17, which are opposite to each other, are coaxially and fixedly connected with piston rods 18, one ends of the piston rods 18, which are far away from the piston plates 17, penetrate, and two ends of the second tension spring 19 are respectively fixedly connected with the piston plate 17 and the inner wall of the piston cavity 16.

It should be noted that, the two connecting rods 15 are in a horizontal state under normal conditions, and the amplitude of rotation of the end of the connecting rod 15 on the turntable 9 is not large because the amplitude of vibration is not large.

Damping device is including fixing square bar 12 at pinion rack 11 lower extreme down, and the square groove 13 with square bar 12 sliding connection is seted up to the bottom end in shock attenuation groove 4, and the first extension spring 14 of the common fixedly connected with of bottom end in square bar 12 lower extreme and the square groove 13 utilizes the spacing of square bar 12 and square groove 13 and the elastic tension of first extension spring 14 to make pinion rack 11 move in the vertical direction all the time down.

The inner wall of the piston cavity 16 is provided with a sliding hole which is communicated with the damping groove 4 and is in sliding fit with the piston rod 18, so that the sliding direction of the piston rod 18 is limited and the piston rod can only slide in the horizontal direction.

The utility model discloses in, in case when producing vibrations because of extruder work, extruder base 2 passes through slide 5 and drives pinion rack 10 and moves in the vertical direction, take the drive pinion rack 10 to move down as an example, go up pinion rack 10 meshing gear revolve, and drive the dabber 8 with the coaxial setting of gear, carousel 9 rotates, pinion rack 11 also moves up under the meshing condition down on the one hand, first extension spring 14 produces the stay cord, and square bar 12 and square groove 13 are because of the sliding friction thermogenesis, on the other hand carousel 8 drives the one end rotation of connecting rod 15, drive piston rod 18 through connecting rod 15 and move towards 4 directions of damping groove, and then second extension spring 19 produces the compression, piston plate 17 and piston chamber 16 are because of the sliding friction thermogenesis, and be confined space between piston plate 17 and the piston chamber 16, consequently, form air spring, it rises with reason to drive pinion rack 10. In conclusion, a large amount of vibration energy is gradually converted into internal energy under the sliding friction, so that the vibration suppression effect is achieved, and the stability of the extruder in the working process is enhanced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A base for a medical equipment production extruder comprises a damping base (1) and a convex extruder base (2), and is characterized in that a groove (3) is formed in the upper end of the damping base (1), a damping groove (4) is formed in the inner bottom end of the groove (3), a sliding plate (5) is fixedly connected to the lower end of the extruder base (2), a sliding groove (6) which is vertically and slidably connected with the sliding plate (5) is formed in the inner wall of the groove (3), compression springs (7) are symmetrically and fixedly connected to the lower end of the sliding plate (5) and the damping groove (4), and the lower ends of the compression springs (7) are fixedly connected with the inner bottom end of the groove (3);

the damping groove (4) is rotatably connected with a mandrel (8) on the inner wall, a gear and a turntable (9) are fixedly sleeved on the mandrel (8) from back to front, the lower end of a sliding plate (5) is fixedly connected with an upper toothed plate (10) meshed with the gear, the left side of the gear is meshed with a lower toothed plate (11), a damping device is arranged at the lower end of the lower toothed plate (11), the turntable (9) is far away from one side of the gear and is symmetrically pinned with a connecting rod (15) at an eccentric position, the damping base (1) is symmetrically provided with two piston cavities (16) relative to the damping groove (4), a piston plate (17) is horizontally and hermetically connected in the piston cavity (16) in a sliding manner, piston rods (18) are coaxially and fixedly connected with one opposite sides of the piston plates (17), one ends, far away from the piston plates (17), of the piston rods (18) penetrate through the piston cavities (16) and, and a second tension spring (19) is movably sleeved on the piston rod (18) positioned in the piston cavity (16), and two ends of the second tension spring (19) are respectively fixedly connected with the piston plate (17) and the inner wall of the piston cavity (16).

2. The base for the medical equipment production extruder of claim 1, wherein the damping device comprises a square rod (12) fixed at the lower end of the lower toothed plate (11), a square groove (13) connected with the square rod (12) in a sliding manner is formed at the inner bottom end of the damping groove (4), and a first tension spring (14) is fixedly connected to the lower end of the square rod (12) and the inner bottom end of the square groove (13) together.

3. The base for the medical equipment production extruder as claimed in claim 1, wherein the inner wall of the piston cavity (16) is provided with a sliding hole which is communicated with the damping groove (4) and is in sliding fit with the piston rod (18).

4. The base for the medical equipment production extruder of claim 1, wherein the mandrel (8), the gear and the turntable (9) are coaxially arranged.

5. Base for a medical equipment production extruder according to claim 1, characterised in that there is a gap between the shock absorbing base (1) and the extruder base (2).