CN213618264U

CN213618264U - Rubber preforming machine

Info

Publication number: CN213618264U
Application number: CN202022160004.XU
Authority: CN
Inventors: 童航锋
Original assignee: Hangzhou Canyao Rubber Products Co ltd
Current assignee: Hangzhou Canyao Rubber Products Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-06
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to the technical field of rubber processing, and a rubber preforming machine is disclosed, solved the problem that the inside bubble is difficult to eliminate and influences the quality when present rubber extrusion preforming to and the material unloading is easy to be stopped up and is caused the discontinuous phenomenon of ejection of compact, it includes the machine case, machine case upper end one side is installed first motor, and first motor output end rotates and is connected with the speed reducer, and speed reducer one side is connected with the barrel, the utility model discloses, because the extrusion axle is along extruding direction diameter crescent, make the extrusion atress of rubber increase gradually, and then can reduce the production of bubble in the rubber, thereby improved the quality of product; through the rotation of second motor drive sprocket, under the transmission of chain, driven sprocket drives one of them pivot and rotates, and then two gear intermeshing for two squeeze rolls rotate in opposite directions, stir down at the gear cutting plate, and it is smooth and easy to go into the inside material of hopper and slide down, thereby has guaranteed that the material can not break off, causes the inside material intermittent type phenomenon of barrel.

Description

Rubber preforming machine

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of rubber processing, specifically be a rubber preforming machine.

[ background of the invention ]

The rubber preforming machine is a high-precision high-efficiency rubber blank making device, and can produce various rubber blanks with medium and high hardness and various shapes.

The internal spiral structure of the existing rubber preforming machine is generally in the shape of equal diameter and equal pitch, and when the rubber is extruded to be preformed, the extrusion force applied to the rubber cannot be changed, so that air bubbles between the rubbers are not easily eliminated, the product quality is reduced, and in addition, materials are easily blocked when the hopper is used for blanking, and the phenomenon that the materials inside the extruding cylinder are interrupted is easily caused.

[ Utility model ] content

To the above situation, for overcoming prior art's defect, the utility model provides a rubber preforming machine, effectual inside bubble is difficult for eliminating when having solved present rubber extrusion preforming influences the quality to and the material unloading easily blocks up the problem that causes the discontinuous phenomenon of ejection of compact.

In order to achieve the above object, the utility model provides a following technical scheme: a rubber preforming machine comprises a machine case, wherein a first motor is installed on one side of the upper end of the machine case, the output end of the first motor is rotatably connected with a speed reducer, one side of the speed reducer is connected with a cylinder body, two sides of the lower end of the cylinder body are respectively connected with a supporting block, the supporting blocks are fixedly connected with the machine case, the interior of the cylinder body is rotatably connected with an extrusion shaft, one end of the extrusion shaft extends to the exterior of the cylinder body to be rotatably connected with the speed reducer, the outer end of the extrusion shaft is connected with a spiral blade, one side of the upper end of the cylinder body is connected with a feeding hopper, the lower side of the feeding hopper is symmetrically and rotatably connected with extrusion rollers, the two extrusion rollers are respectively rotatably connected with the inner wall of the feeding hopper through two rotating shafts, the exterior of the two extrusion rollers, the second motor is installed to the layer board upper end, and the second motor output is connected with drive sprocket, passes through chain drive between drive sprocket and the driven sprocket and connects.

Preferably, the lower end of the first motor is connected with a cushion block, the upper end of the cushion block is connected with a cushion pad, and the first motor is located on the cushion pad.

Preferably, the first motor is connected with the speed reducer through a first coupling, and the speed reducer is connected with the extrusion shaft through a second coupling.

Preferably, the extrusion shaft has a diameter gradually increasing in the extrusion direction.

Preferably, the lower part of the feeding hopper is arranged in an arc structure corresponding to the two extrusion rollers.

Preferably, the middle part of the upper end of the supporting block is provided with a groove, and the groove is matched with the lower end of the cylinder body.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses, drive the speed reducer through first motor and rotate, make the extrusion shaft drive the spiral leaf and rotate and carry out the screw extrusion with the material, because the extrusion shaft is along extruding direction diameter increase gradually, make the extrusion atress of rubber increase gradually, and then can reduce the production of bubble in the rubber, thereby improved the quality of product;

(2) through the rotation of second motor drive sprocket, under the transmission of chain, driven sprocket drives one of them pivot and rotates, and then two gear intermeshing for two squeeze rolls rotate in opposite directions, stir down at the gear cutting plate, and it is smooth and easy to go into the inside material lapse of hopper, thereby has guaranteed that the material can not break off, causes the inside material intermittent type phenomenon of barrel.

[ description of the drawings ]

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation structure of the extruding shaft of the present invention;

fig. 3 is a top view of the feeding hopper of the present invention;

fig. 4 is a schematic view of the installation structure of the tooth cutting plate of the present invention;

in the figure: 1. a chassis; 2. a first motor; 3. a speed reducer; 4. a barrel; 5. a support block; 6. an extrusion shaft; 7. helical leaves; 8. feeding into a hopper; 9. a squeeze roll; 10. a rotating shaft; 11. a toothed cutting plate; 12. a gear; 13. a driven sprocket; 14. a support plate; 15. a second motor; 16. a drive sprocket; 17. a chain; 18. cushion blocks; 19. a first coupling; 20. a second coupling.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-4, the utility model comprises a machine case 1, a first motor 2 is installed on one side of the upper end of the machine case 1 for driving an extruding shaft 6 to drive a spiral blade 7 to rotate for extruding rubber spiral, an output end of the first motor 2 is rotatably connected with a speed reducer 3, one side of the speed reducer 3 is connected with a cylinder 4, two sides of the lower end of the cylinder 4 are both connected with supporting blocks 5 for supporting the cylinder 4, the supporting blocks 5 are fixedly connected with the machine case 1, the extruding shaft 6 is rotatably connected inside the cylinder 4, one end of the extruding shaft 6 extends to the outside of the cylinder 4 to be rotatably connected with the speed reducer 3, the spiral blade 7 is connected to the outer end of the extruding shaft 6, one side of the upper end of the cylinder 4 is connected with a feeding hopper 8, extruding rollers 9 are symmetrically and rotatably connected to the lower side inside the feeding hopper 8 for facilitating smooth, two equal circumferential connection in extrusion roller 9 outsides has the eager pinion plate 11, can rotate the interior material of going into hopper 8 and stir downwards, two 10 one ends of pivot all extend into 8 external connections of hopper and have gear 12, two gear 12 intermeshing, one of them 10 one end of pivot is connected with driven sprocket 13, it is connected with layer board 14 to go into 8 lower part one sides of hopper, second motor 15 is installed to layer board 14 upper end, the 15 output of second motor is connected with drive sprocket 16, connect through the transmission of chain 17 between drive sprocket 16 and the driven sprocket 13.

Second embodiment, on the basis of first embodiment, 2 lower extremes of first motor are connected with

cushion

18, and 18 upper ends of cushion are connected with the blotter, and first motor 2 is located the blotter, can support the bed hedgehopping with second motor 15 through cushion 18, and the blotter can reduce and rock in the operation.

In the third embodiment, on the basis of the first embodiment, the first motor 2 is connected with the speed reducer 3 through the first coupling 19, and the speed reducer 3 is connected with the extrusion shaft 6 through the second coupling 20, so that the overload protection effect is achieved, and the overlarge load can be conveniently borne.

In the fourth embodiment, on the basis of the first embodiment, the diameter of the extrusion shaft 6 is gradually increased along the extrusion direction, so that the stress is gradually increased during rubber extrusion, and the generation of bubbles is reduced.

Fifth, on the basis of the first embodiment, the lower portion of the feeding hopper 8 is arranged in an arc structure corresponding to the two squeezing rollers 9, so that the two squeezing rollers 9 can be conveniently installed.

In the sixth embodiment, on the basis of the first embodiment, the middle part of the upper end of the supporting block 5 is provided with a groove, and the groove is matched with the lower end of the cylinder 4, so that the cylinder 4 is supported stably.

The working principle is as follows: when using, the material is leading-in into hopper 8, rotate through second motor 15 drive sprocket 16, under the transmission of chain 17, driven sprocket 13 drives one of them pivot 10 and rotates, and then two gear 12 intermeshing, make two squeeze rolls 9 rotate in opposite directions, stir down at the tangent tooth board 11, it is smooth and easy to go into the inside material lapse of hopper 8, with the leading-in barrel 4 of material, and simultaneously, first motor 2 drives speed reducer 3 and rotates, and then it is rotatory that extrusion shaft 6 drives spiral leaf 7, it is rotatory along with spiral leaf 7, thereby extrude the formation rubber strip to the discharge end with the material, thereby reach the purpose of preforming.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rubber preforming machine comprises a machine case (1), and is characterized in that: the automatic feeding machine is characterized in that a first motor (2) is installed on one side of the upper end of a case (1), the output end of the first motor (2) is rotatably connected with a speed reducer (3), a barrel (4) is connected to one side of the speed reducer (3), supporting blocks (5) are connected to two sides of the lower end of the barrel (4), the supporting blocks (5) are fixedly connected with the case (1), an extruding shaft (6) is rotatably connected to the inside of the barrel (4), one end of the extruding shaft (6) extends to the outside of the barrel (4) to be rotatably connected with the speed reducer (3), spiral blades (7) are connected to the outer end of the extruding shaft (6), a feeding hopper (8) is connected to one side of the upper end of the barrel (4), extruding rollers (9) are symmetrically and rotatably connected to the lower side of the inside of the feeding hopper (8), the two extruding rollers (9) are rotatably connected with the inner, two pivot (10) one end all extend to go into hopper (8) external connection and have gear (12), two gear (12) intermeshing, one of them pivot (10) one end is connected with driven sprocket (13), it is connected with layer board (14) to go into hopper (8) lower part one side, second motor (15) are installed to layer board (14) upper end, second motor (15) output is connected with drive sprocket (16), connect through chain (17) transmission between drive sprocket (16) and driven sprocket (13).

2. A rubber preforming machine as claimed in claim 1, wherein: the lower end of the first motor (2) is connected with a cushion block (18), the upper end of the cushion block (18) is connected with a cushion pad, and the first motor (2) is located on the cushion pad.

3. A rubber preforming machine as claimed in claim 1, wherein: the first motor (2) is connected with the speed reducer (3) through a first coupler (19), and the speed reducer (3) is connected with the extrusion shaft (6) through a second coupler (20).

4. A rubber preforming machine as claimed in claim 1, wherein: the diameter of the extrusion shaft (6) is gradually increased along the extrusion direction.

5. A rubber preforming machine as claimed in claim 1, wherein: the lower part of the feeding hopper (8) is arranged in an arc structure corresponding to the two extrusion rollers (9).

6. A rubber preforming machine as claimed in claim 1, wherein: the middle part of the upper end of the supporting block (5) is provided with a groove, and the groove is matched with the lower end of the cylinder body (4).