阅读说明：本技术 一种胎体鼓柔性套开孔装置及其方法 (Hole opening device and method for flexible sleeve of carcass drum ) 是由 罗赤峰 张晓辰 于 2021-09-24 设计创作，主要内容包括：本发明涉及一种胎体鼓柔性套开孔装置及其方法,该装置包括主轴、支撑板、驱动组件和扩张连接组件,所述支撑板有若干个且以主轴为圆心呈圆周状围设在主轴四周,任意两个相互对称的所述支撑板上开设有若干定位孔,所述扩张连接组件接设在支撑板和主轴之间,所述扩张连接组件能够在驱动组件的作用下带动支撑板相对于主轴进行扩张。基于该装置的开孔方法,是在打孔之前事先将柔性套扩张到与胎体鼓适配的程度,随后再进行开孔作业,能够避免柔性套套设在鼓体上之后吸盘孔发生错位变形的状况,同时在支撑板上开设有定位孔,能够便于后续的开孔操作,提高了作业效率。(The invention relates to a tire body drum flexible sleeve hole opening device and a tire body drum flexible sleeve hole opening method. According to the hole forming method based on the device, the flexible sleeve is expanded to the degree matched with the tire body drum in advance before hole forming, then hole forming operation is carried out, the situation that the sucker holes are dislocated and deformed after the flexible sleeve is arranged on the drum body can be avoided, meanwhile, the positioning holes are formed in the supporting plate, subsequent hole forming operation can be facilitated, and operation efficiency is improved.)

1. The utility model provides a flexible cover trompil device of matrix drum which characterized in that: comprises a main shaft, a plurality of supporting plates, a driving assembly and an expansion connecting assembly, wherein the supporting plates are circumferentially arranged around the main shaft by taking the main shaft as a circle center, a plurality of positioning holes are formed in any two supporting plates which are oppositely arranged by taking the main shaft as a center along the axial direction of the main shaft, the expansion connecting assembly comprises a long connecting rod, a short connecting rod, a fixed seat and a sliding seat, the fixed seat is fixed on the main shaft, the main shaft is provided with a hole, the sliding seat is arranged in the hole in a sliding way, the long connecting rod is hinged on the sliding seat, one end of the short connecting rod is hinged on the fixed seat, the other end of the short connecting rod is hinged on the long connecting rod, the supporting plate is provided with a sliding groove, the long connecting rod is rotatably embedded in the sliding groove and can slide in the sliding groove, and the driving assembly is used for driving the sliding seat to move in the opening so as to enable the supporting plate to expand outwards relative to the main shaft.

2. A carcass drum sleeve opening device as claimed in claim 1, characterized in that: the driving assembly comprises a driving screw and a sliding sleeve, the driving screw is rotatably installed in the main shaft, the sliding sleeve is sleeved on the driving screw through thread matching, and the sliding seat is fixedly connected with the sliding sleeve.

3. A carcass drum sleeve opening device as claimed in claim 2, characterized in that: one end of the driving screw is provided with a butt joint, and an external device can be connected with the butt joint to drive the driving screw to rotate in the main shaft.

4. A carcass drum sleeve opening device as claimed in claim 3, characterized in that: the end face, close to the butt joint, of the main shaft is provided with scales, and the driving screw is provided with a pointer.

5. A carcass drum sleeve opening device as claimed in claim 1, characterized in that: the hole opening device for the flexible sleeve of the carcass drum further comprises a base, and the main shaft is installed on the base.

6. A method for opening a carcass drum sleeve, characterized in that it is carried out by a carcass drum sleeve opening device according to any one of claims 1 to 5, comprising the steps of:

(a) the main shaft is driven to rotate through an external device, so that the supporting plate is folded towards the main shaft, and then the flexible sleeve is sleeved on the supporting plate;

(b) then, the main shaft is driven to rotate reversely through an external device, so that the supporting plate is expanded relative to the main shaft, and the flexible sleeve is expanded until the diameter of the flexible sleeve can be matched with the tire body drum;

(c) punching the flexible sleeve by using the hole digger corresponding to the positioning hole on the supporting plate;

(d) after the punching is finished, the main shaft is rotated again through the external device, so that the supporting plate is folded, and then the flexible sleeve is taken down.

7. A carcass drum sleeve opening method as claimed in claim 6, characterized in that: the external device is a wrench.

8. A carcass drum sleeve opening method as claimed in claim 7, characterized in that: the hole digger is an electric drill provided with a hole saw.

Technical Field

The invention belongs to the technical field of flexible sleeve hole opening, and particularly relates to a hole opening device and method for a flexible sleeve of a carcass drum.

Background

The matrix drum that a large amount of demands have the flexible cover in the existing market, need produce sucking disc hole in advance before the flexible cover is installed on the drum body so that later stage installation sucking disc device, but the diameter can change around the installation for the flexible cover, sets up sucking disc hole position on the flexible cover in advance this moment and can take place skew, size and shape also can change to the problem on the drum body can't be installed to the sucking disc device appears.

Disclosure of Invention

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

a hole opening device for a flexible sleeve of a tire body drum comprises a main shaft, a supporting plate, a driving assembly and an expansion connecting assembly, the supporting plates are provided with a plurality of positioning holes which are circumferentially arranged around the main shaft by taking the main shaft as the circle center, a plurality of positioning holes are arranged on any two supporting plates which are oppositely arranged by taking the main shaft as the center along the axial direction of the main shaft, the expansion connecting assembly comprises a long connecting rod, a short connecting rod, a fixed seat and a sliding seat, the fixed seat is fixed on the main shaft, the main shaft is provided with a hole, the sliding seat is arranged in the hole in a sliding way, the long connecting rod is hinged on the sliding seat, one end of the short connecting rod is hinged on the fixed seat, the other end of the short connecting rod is hinged on the long connecting rod, the supporting plate is provided with a sliding groove, the long connecting rod is rotatably embedded in the sliding groove and can slide in the sliding groove, and the driving assembly is used for driving the sliding seat to move in the opening so as to enable the supporting plate to expand outwards relative to the main shaft.

The driving assembly comprises a driving screw and a sliding sleeve, the driving screw is rotatably installed in the main shaft, the sliding sleeve is sleeved on the driving screw through thread matching, and the sliding seat is fixedly connected with the sliding sleeve.

One end of the driving screw is provided with a butt joint, and an external device can be connected with the butt joint to drive the driving screw to rotate in the main shaft.

The end face, close to the butt joint, of the main shaft is provided with scales, and the driving screw is provided with a pointer.

The hole opening device for the flexible sleeve of the carcass drum further comprises a base, and the main shaft is installed on the base.

A method for perforating a flexible sleeve of a carcass drum, comprising the steps of:

(a) the main shaft is driven to rotate through an external device, so that the supporting plate is folded towards the main shaft, and then the flexible sleeve is sleeved on the supporting plate;

(b) then, the main shaft is driven to rotate reversely through an external device, so that the supporting plate is expanded relative to the main shaft, and the flexible sleeve is expanded until the diameter of the flexible sleeve can be matched with the tire body drum;

(c) punching the flexible sleeve by using the hole digger corresponding to the positioning hole on the supporting plate;

(d) after the punching is finished, the main shaft is rotated again through the external device, so that the supporting plate is folded, and then the flexible sleeve is taken down.

The external device is a wrench.

The hole digger is an electric drill provided with a hole saw.

The invention has the advantages and positive effects that:

1. the flexible sleeve is expanded to the degree of being matched with the tire body drum in advance before punching, and then the hole opening operation is carried out, so that the situation that the sucking disc holes are dislocated and deformed after the flexible sleeve is sleeved on the drum body can be avoided;

2. the locating hole has been seted up in the backup pad, can be convenient for subsequent trompil operation, improved the operating efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the tapping device;

FIG. 2 is an enlarged view of the structure of FIG. 1 taken at circle A;

FIG. 3 is a schematic view of the location of the positioning holes on the support plate;

figure 4 is a schematic view of a flexible sleeve.

Wherein, 1, a main shaft; 2. a support plate; 3. positioning holes; 4. a long connecting rod; 5. a short connecting rod; 6. a fixed seat; 7. a sliding seat; 8. opening a hole; 9. a chute; 10. a drive screw; 11. a sliding sleeve; 12. a butt joint; 13. calibration; 14. a pointer; 15. a base; 16. a flexible sleeve; 17. and (4) sucking disc holes.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

as shown in fig. 1, 2, 3 and 4, the invention provides a tire body drum flexible sleeve hole opening device, which comprises a main shaft 1, support plates 2, a driving assembly and an expansion connecting assembly, wherein the support plates 2 are provided with a plurality of support plates and are circumferentially arranged around the main shaft 1 by taking the main shaft 1 as a circle center, a plurality of positioning holes 3 are formed in any two support plates 2 which are oppositely arranged by taking the main shaft 1 as a center along the axis direction of the main shaft 1, the expansion connecting assembly is connected between the support plates 2 and the main shaft 1, and the expansion connecting assembly can drive the support plates 2 to expand relative to the main shaft 1 under the action of the driving assembly.

According to the hole drilling device for the flexible sleeve of the carcass drum, disclosed by the invention, the flexible sleeve 16 can be expanded, the flexible sleeve 16 is kept in an expanded state and then the hole is drilled, and the sucker hole 17 in the flexible sleeve 16 can be always matched with the carcass drum. On the whole the device includes main shaft 1, backup pad 2, drive assembly and expansion coupling assembling, wherein backup pad 2 has a plurality of, and use main shaft 1 to be the circumference form as the centre of a circle and encircle around main shaft 1, make the flexible cover 16 can the suit on backup pad 2, the expansion coupling assembling connects and establishes between backup pad 2 and main shaft 1, can be under drive assembly's drive, prop backup pad 2 towards the direction of keeping away from main shaft 1 and open, thereby expand the diameter to flexible cover 16, meanwhile, a plurality of locating holes 3 have been seted up on backup pad 2 that arbitrary two mutual symmetries set up, backup pad 2 props flexible cover 16 open the back, the operator alright carry out the trompil operation on flexible cover 16 with locating hole 3 through backup pad 2.

Because support and expansion to the flexible sleeve 16 through backup pad 2, therefore preferred, the face that backup pad 2 and flexible sleeve 16 contacted is the arc, can agree with mutually with flexible sleeve 16, be favorable to evenly strutting flexible sleeve 16, the quantity of backup pad 2 is preferred simultaneously can make these backup pads 2 splice and form a continuous circle of accomplishing after getting up, when guaranteeing backup pad 2 expansion, can drive each position on the flexible sleeve 16 and all expand, thereby further assurance is to the effect that flexible sleeve 16 propped open, also be favorable to subsequent trompil operation.

Further, expansion coupling assembling includes long connecting rod 4, short connecting rod 5, fixing base 6, sliding seat 7, fixing base 6 is fixed on main shaft 1, trompil 8 and sliding seat 7 slidable mounting have been seted up on main shaft 1 in trompil 8, long connecting rod 4 articulates on sliding seat 7, the one end of short connecting rod 5 articulates on fixing base 6 and its other end articulates on long connecting rod 4, spout 9 has been seted up on backup pad 2, long connecting rod 4 rotates to inlay and establishes in spout 9 and can slide in spout 9.

Specifically, in the present invention, the expansion connection assembly includes a long connecting rod 4, a short connecting rod 5, a fixed seat 6, and a sliding seat 7, wherein the sliding seat 7 is slidably installed in an opening 8 formed in the main shaft 1, one end of the long connecting rod 4 is hinged to the sliding seat 7 by a pin, the other end of the long connecting rod 4 is rotatably embedded in a sliding groove 9 formed in the support plate 2 and can slide in the sliding groove 9, the fixed seat 6 is fixed to the main shaft 1, one end of the corresponding short connecting rod 5 is also hinged to the fixed seat 6 by a pin, and the other end of the short connecting rod 5 is hinged to the middle of the long connecting rod 4 by a pin.

The effect of drive assembly can drive sliding seat 7 and slide in trompil 8 on main shaft 1 for the one end that long connecting rod 4 and backup pad 2 met is kept away from main shaft 1 gradually, thereby drives backup pad 2 and expands towards the direction of keeping away from main shaft 1, consequently for the stability of assurance structure, preferably, each backup pad 2 meets with main shaft 1 through two sets of expansion coupling assembling, and the preferred symmetrical formula of these two sets of expansion coupling assembling sets up.

Further, drive assembly includes drive screw 10 and sliding sleeve 11, drive screw 10 rotates and installs in main shaft 1, sliding sleeve 11 overlaps through the screw-thread fit cover and is established on drive screw 10, sliding seat 7 and sliding sleeve 11 fixed connection.

Specifically, in the present invention, the driving assembly includes a driving screw 10 and a sliding sleeve 11, the driving screw 10 is rotatably installed inside the main shaft 1 through bearings at two ends, the sliding sleeve 11 is sleeved on the driving screw 10 through a screw-thread fit, and meanwhile, the sliding seat 7 is fixedly connected with the sliding sleeve 11, so that when the driving screw 10 rotates, because the sliding sleeve 11 is fixed with the sliding seat 7, and the sliding seat 7 is slidably installed in the opening 8 formed in the main shaft 1, the sliding sleeve 11 can only slide relative to the main shaft 1 but cannot rotate, and therefore, the sliding sleeve 11 drives the sliding seat 7 to slide in the opening 8 under the push of the driving screw 10, so as to drive the long connecting rod 4 to move, and the flexible sleeve 16 is expanded through the supporting plate 2.

Further, one end of the driving screw 10 is provided with a butt joint 12, an external device can be connected with the butt joint 12 to drive the driving screw 10 to rotate in the main shaft 1, a scale 13 is arranged on the end surface of the main shaft 1 close to the butt joint 12, and a pointer 14 is arranged on the driving screw 10.

Specifically, in the present invention, an end of the driving screw 10 is provided with a butt joint 12, the end of the main shaft 1 is provided with a scale 13, the driving screw 10 is provided with a pointer 14 matched with the scale 13, the butt joint 12 can be connected with an external device, such as but not limited to a wrench, a user can fasten the wrench on the butt joint 12, so that the driving screw 10 is driven to rotate by the wrench, the pointer 14 and the scale 13 on the main shaft 1 can be reached by the driving screw 10, the user can be assisted in judging the expansion degree of the flexible sleeve 16 on the support plate 2, and the driving screw 10 can be stopped from rotating until the flexible sleeve 16 is expanded to fit with the carcass drum.

Specifically, the method for judging the expansion degree of the supporting plate 2 by the scale 13 may be: before using, can rotate drive screw 10 earlier and drive backup pad 2 and expand to preset each diameter to record corresponding number of turns and the angle that drive screw 10 rotated in this in-process, in the actual operation afterwards, the user can learn number of turns and the angle that drive screw 10 rotated through pointer 14 corresponding scale 13, compares with the record in advance, just can learn whether backup pad 2 expands to suitable diameter.

Of course, the use of the wrench belongs to manual operation, and the device can also completely respond to the situation that in an automatic production line, other driving pieces are controlled by a program to drive the driving screw 10 to rotate within a preset range, and then the flexible sleeve 16 is automatically punched through punching equipment after being expanded, so that automatic punching operation is performed.

Further, the hole opening device for the flexible sleeve of the carcass drum further comprises a base 15, and the spindle 1 is installed on the base 15.

Specifically, the invention further comprises a base 15, a bearing seat is arranged on the corresponding base 15, the main shaft 1 is erected on the supporting seat, and when the spindle is used, the base 15 is fixed on the bottom surface.

A method for perforating a flexible sleeve of a carcass drum, comprising the steps of:

(a) the main shaft 1 is driven to rotate through an external device, so that the supporting plate 2 is folded towards the main shaft 1, and then the flexible sleeve 16 is entirely sleeved on the supporting plate 2;

(b) then, the main shaft 1 is driven to rotate reversely through an external device, so that the supporting plate 2 is expanded relative to the main shaft 1, and the flexible sleeve 16 is expanded until the diameter of the flexible sleeve 16 can be matched with the tire body drum;

(c) punching a hole on the flexible sleeve 16 corresponding to the positioning hole 3 on the supporting plate 2 by using a hole puncher;

(d) after the punching is finished, the main shaft 1 is rotated again through the external device, so that the supporting plate 2 is folded, and then the flexible sleeve 16 is taken down.

The external device is a wrench, and the hole digger is an electric drill provided with a hole saw.

The invention also provides a hole opening method of the carcass drum flexible sleeve, which is different from the current hole opening method of directly opening the hole on the flexible sleeve 16 in that: the method comprises the following steps of firstly expanding the diameter of a flexible sleeve 16 to enable the flexible sleeve 16 to be expanded to a state that the flexible sleeve can be sleeved on a tire body drum, then forming a hole in the flexible sleeve 16, and avoiding dislocation or deformation of a sucker hole 17 in the flexible sleeve 16 after the flexible sleeve 16 is sleeved on the tire body drum, wherein the specific method comprises the following steps:

specifically, at first, it makes backup pad 2 draw in for main shaft 1 to drive screw 10 through the spanner and rotate, it can to paste each other between the backup pad 2 or flexible cover 16 can overlap and establish in backup pad 2, it establishes flexible cover 16 cover in backup pad 2 afterwards, anticlockwise rotation spanner makes drive screw 10 anticlockwise rotation, it expands to drive the support, need the user to pay close attention to scale 13 on the main shaft 1 at this in-process and judge whether flexible cover 16 expands to target in place, after flexible cover 16 expands to suitable position, carry out the trompil through the electric drill that has the hole saw on flexible cover 16 with backup pad 2 on the position department that locating hole 3 corresponds, it makes backup pad 2 draw in once more to rotate the spanner after the trompil is accomplished, it can to take off flexible cover 16 afterwards.

According to the flexible sleeve perforating device and the flexible sleeve perforating method, the flexible sleeve is expanded to the degree of being matched with the tire body drum in advance before perforation, then perforating operation is performed, the situation that the sucker holes are dislocated and deformed after the flexible sleeve is sleeved on the drum body can be avoided, meanwhile, the positioning holes are formed in the supporting plate, subsequent perforating operation can be facilitated, and the operation efficiency is improved.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also includes other embodiments that can be derived from the technical solutions of the present invention by those skilled in the art.