CN209523995U

CN209523995U - A kind of rubber roller mandrel

Info

Publication number: CN209523995U
Application number: CN201821858119.2U
Authority: CN
Inventors: 高泉攀; 高飞华
Original assignee: Moutheng (xiamen) Electronic Technology Co Ltd
Current assignee: Moutheng (xiamen) Electronic Technology Co Ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2019-10-22
Anticipated expiration: 2028-11-13

Abstract

The utility model provides a kind of rubber roller mandrel, the connecting shaft is welded at left and right sides of the inner core, the spindle nose is fixed and welded together with connecting shaft described in both ends, the axle housing is set on the inner core, the inner core side offers first through hole, the second through-hole identical with the first through hole aperture is offered on the outside of the axle housing, the first through hole is connect in the same horizontal line and by the elastic with second through-hole, and the axle housing inner wall is also provided with the sliding slot mobile for the elastic；The utility model is by being arranged dismountable axle housing and inner core, inner core may be reused, it economizes on resources, the use of inner core will not be influenced having slight crack when axle housing is in production, top plate is connected with bottom plate by several support columns simultaneously, support column surface is arranged at intervals with annular tight loop and can increase roller anti-pressure ability simultaneously, the slight crack for preventing roller from generating due to unbalance stress or fracture.

Description

A kind of rubber roller mandrel

Technical field

The utility model relates to rubber roller technical field more particularly to a kind of rubber roller mandrels.

Background technique

Rubber roller is overcoating rubber manufactured integrally formed roll system through vulcanization using metal or other materials as inner core Product；Can be divided by configuration of surface: plain-barreled roll and decorative pattern rubber roller can be divided into: butyl rubber roller, butyronitrile rubber roller, polyurethane adhesive again by material Roller and silicone rubber roll etc., rubber roller are generally made of outer layer glue, hard glue-line, metal core, roll neck and venthole, and processing includes The processes such as roller core sandblasting, bonding processing, rubberizing molding, infantees, iron wire winding, sulfurizing pot vulcanization and surface processing.

Existing mandrel be all it is integrally formed by casting, its surface of integrally formed mandrel is easy stomata or to split Line, because metal mold itself is without deformability, cooling velocity is fast, and casting internal stress is be easy to cause to increase, open form too early or too late, It is poured angle too small or excessive, dope layer too thin wait all easily causes casting to crack, and mold cavity itself is also easy to lead when having crackle Fracturing line.

Summary of the invention

In order to solve the above technical problems, the utility model provides a kind of rubber roller mandrel, skill provided by the utility model Art scheme is as follows:

A kind of rubber roller mandrel, including inner core, axle housing, connecting shaft, spindle nose, elastic, the connecting shaft are welded in described At left and right sides of inner core, the spindle nose is fixed and welded together with connecting shaft described in both ends, and the axle housing is set on the inner core, The inner core side offers first through hole, and it is logical that identical with the first through hole aperture second is offered on the outside of the axle housing Hole, the first through hole are connect in the same horizontal line and by the elastic with second through-hole, the axle housing inner wall It is also provided with the sliding slot mobile for the elastic.

Further, the inner core includes top plate and bottom plate, and the top plate is connected with the bottom plate by several support columns, Several support columns pass through annular tight loop connection.

Further, it is provided with external screw thread with the plate outer side on the outside of the top plate, the axle housing is provided with and institute State the internal screw thread that external screw thread matches.

Further, the length of the elastic is equal with the internal diameter of the axle housing, and the sliding slot is along the axle housing length Direction extends at the 5cm of axle housing bottom.

Further, the connecting shaft includes the first connecting shaft, the second connecting shaft, first connecting shaft and described second Connecting shaft is located at same horizontal line and is parallel to each other.

Further, the spindle nose includes the first spindle nose, the second spindle nose, and first spindle nose connects the first connecting shaft, institute It states the second spindle nose and connects the second connecting shaft.

The utility model may be reused inner core, economize on resources, simultaneously by the way that dismountable axle housing and inner core is arranged Top plate is connected with bottom plate by several support columns, and several support columns pass through annular tight loop connection, between support column and support column There is the presence in gap, stress can be discharged, while support column surface is arranged at intervals with annular tight loop can increase roller resistance to compression Ability, the slight crack for preventing roller from generating due to unbalance stress or fracture.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 is the model core arrangement schematic diagram of the utility model embodiment；

Fig. 2 is the model core arrangement schematic diagram of another embodiment of the utility model；

Fig. 3 is the axle housing structural schematic diagram of the utility model；

Fig. 4 is the elastic structural schematic diagram of the utility model；

In the figure, it is marked as

1, inner core, the 11, first connecting shaft, the 111, first spindle nose, the 121, second spindle nose, 13, support column, 14, annular fastening Circle, 15, top plate, 16, bottom plate, 17, first through hole, 2, elastic, 21, fixing end, 22, spring, 23, rubber, 3, axle housing, 31, Sliding slot, the 32, second through-hole.

Specific embodiment

In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The application protection all should belong in technical staff's every other embodiment obtained without making creative work Range.

Fig. 1, Fig. 2, a kind of rubber roller mandrel, including inner core 1, axle housing 3, connecting shaft, spindle nose, elastic 2 are please referred to, is connected Axis is welded in 1 left and right sides of inner core, and spindle nose is fixed and welded together with both ends connecting shaft, and axle housing 3 is set on inner core 1, inner core 1 Side offers first through hole 17, and the second through-hole 32 identical with 17 aperture of first through hole, first through hole are offered on the outside of axle housing 3 17 connect in the same horizontal line and by elastic 2 with the second through-hole 32, and 3 inner wall of axle housing is also provided with mobile for elastic 2 Sliding slot 31.

In use, being covered with one layer of rubber 23, as rubber roller on 3 surface of axle housing, when if desired replacing axle housing 3, can first tear open Falling rubber 23, presses one end of elastic 2, elastic 2 is reduced to inside inner shaft, and the other end of elastic 2 is moved along sliding slot 31, Axle housing 3 is separated with inner core 1, can be taken out axle housing 3 on the outside of inner core 1, the axle housing 3 more renewed, toward axle housing 3 on be covered with one layer of rubber 23, and inner core 1 may be reused, and economize on resources.It should be noted that elastic 2 in the absence of external forces its Length is identical as 3 internal diameter of axle housing, it is avoided to protrude axle housing 3；Multiple through-holes can be set, and multiple elastics 2 are installed, make axle housing 3 with the closer connection of inner core 1.

The present embodiment is the further supplement to a upper embodiment, and refering to Fig. 3, inner core 1 includes top plate 15 and bottom plate 16, top Plate 15 and bottom plate 16 are connected by several support columns 13, and several support columns 13 pass through annular tight loop 14 and connect；Existing mandrel It is all to be integrally formed by casting, this structure can produce in rubber roller when mandrel length is too long or when rubber roller discontinuity Raw crackle or fracture, the present embodiment is using 14 structure of support column 13 and annular tight loop, between support column 13 and support column 13 There is the presence in gap, stress can be discharged, while being arranged at intervals with annular tight loop 14 on 13 surface of support column to increase roller Take turns anti-pressure ability.

The present embodiment is the further supplement to a upper embodiment, is provided with outer spiral shell on the outside of 15 outside of top plate and bottom plate 16 Line, axle housing 3 are provided with the internal screw thread to match with external screw thread；It can make inner core 1 and the closer company of axle housing 3 using being threadedly coupled It connects.Refering to Fig. 4, elastic 2 includes a fixing end 21, and fixing end 21 is fixedly connected with a spring 22, and 22 outer surface of spring is coated with One layer of rubber 23, fixing end 21 are metal materials, can be iron, while spring 22 should select the bullet of enough compressive resistances Spring 22 can guarantee that inner core 1 can closely be connect with axle housing 3.

The present embodiment is the further supplement to a upper embodiment, and the length of elastic 2 is equal with the internal diameter of axle housing 3, sliding Slot 31 extends at 3 bottom 5cm of axle housing along 3 length direction of axle housing；Connecting shaft is connected including the first connecting shaft 11, second Axis, the first connecting shaft 11 are located at same horizontal line with the second connecting shaft and are parallel to each other；Spindle nose includes the first spindle nose 111, second Spindle nose 121, the first spindle nose 111 connect the first connecting shaft 11, and the second spindle nose 121 connects the second connecting shaft.

To sum up, the utility model may be reused inner core, save money by the way that dismountable axle housing and inner core is arranged Source will not influence the use of inner core having slight crack when axle housing is in production, while top plate and bottom plate are connected by several support columns It connecing, several support columns pass through annular tight loop connection, and there is the presence in gap between support column and support column, stress can be discharged, Support column surface, which is arranged at intervals with annular tight loop, simultaneously can increase roller anti-pressure ability, prevent roller from producing due to unbalance stress Raw slight crack or fracture.

The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by The limitation of aforesaid way, as long as the various unsubstantialities carried out using the method concept and technical solution of the utility model change Into, or it is not improved the conception and technical scheme of the utility model are directly applied into other occasions, in the utility model Protection scope within.

Claims

1. a kind of rubber roller mandrel, which is characterized in that including inner core, axle housing, connecting shaft, spindle nose, elastic, the connecting shaft weldering It is connected at left and right sides of the inner core, the spindle nose is fixed and welded together with connecting shaft described in both ends, and the axle housing is set in institute It states on inner core, the inner core side offers first through hole, offers on the outside of the axle housing identical as the first through hole aperture The second through-hole, the first through hole is connect in the same horizontal line and by the elastic with second through-hole, described Axle housing inner wall is also provided with the sliding slot mobile for the elastic.

2. a kind of rubber roller mandrel according to claim 1, which is characterized in that the inner core includes top plate and bottom plate, institute It states top plate and is connected with the bottom plate by several support columns, several support columns pass through annular tight loop connection.

3. a kind of rubber roller mandrel according to claim 2, which is characterized in that the top plate outside and the plate outer side It is provided with external screw thread, the axle housing is provided with the internal screw thread to match with the external screw thread.

4. a kind of rubber roller mandrel according to claim 3, which is characterized in that the length of the elastic and the axle housing Internal diameter it is equal, the sliding slot extends at the 5cm of axle housing bottom along the axle housing length direction.

5. a kind of rubber roller mandrel according to claim 4, which is characterized in that the connecting shaft include the first connecting shaft, Second connecting shaft, first connecting shaft are located at same horizontal line with second connecting shaft and are parallel to each other.

6. a kind of rubber roller mandrel according to claim 5, which is characterized in that the spindle nose includes the first spindle nose, second Spindle nose, first spindle nose connect the first connecting shaft, and second spindle nose connects the second connecting shaft.