CN212126923U

CN212126923U - Butt joint type double-station bottom rubber rolling machine

Info

Publication number: CN212126923U
Application number: CN202020484267.3U
Authority: CN
Inventors: 汤天文; 汤天宝
Original assignee: Zhejiang Baihua Bubber Belt Co ltd
Current assignee: Zhejiang Baihua Bubber Belt Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-11
Anticipated expiration: 2030-04-03

Abstract

The utility model provides a butt joint formula duplex position book end machine of gluing belongs to conveyer belt production facility technical field. The roller solves the problems that the existing base rubber rolling device is a roller, so that the roller needs to be transferred once when being rolled every time, and time is wasted. The utility model discloses a base and setting removal frame and butt joint unit head on the base are equipped with a butt joint track that supplies to remove a business turn over base on the base, remove and still be equipped with on the frame and roll up the primer and put, and it is including two rollers that set gradually with one heart, and two rollers are used for the butt joint with above-mentioned butt joint unit head of drive roller pivoted along the one end that direction x extends, and the base slides and sets up on a base and the slip direction is unanimous with the roller axial. The utility model has the advantages of two sets of rollers on rolling the end mucilage binding and putting can both rotate alone, and the butt joint unit head can dock and drive with two sets of rollers respectively and correspond the roller and rotate, rolls end mucilage binding and puts up the removal of removal, improves work efficiency.

Description

Butt joint type double-station bottom rubber rolling machine

Technical Field

The utility model belongs to the technical field of conveyer belt production facility, a butt joint formula duplex position book end machine of gluing is related to.

Background

In the prior art, the production process of the V-belt generally comprises a series of steps of plasticating and mixing raw rubber, pressing the mixed rubber into a base rubber sheet with a certain shape and a certain size through a calender, coiling the base rubber sheet, bonding the coiled base rubber with a cloth coating layer, cutting the bonded adhesive tape, vulcanizing and the like.

In coiling the base film this step, most mills are all fix the base film on empty roller through the workman earlier, the manual roller that rotates again, thereby coil the base film to the roller in, need the manual antiport roller of workman to put the area after that, will roll up the base film and bond and cut, this in-process roller pivoted speed needs the cooperation bonding speed, this kind is not only long consuming time through the artifical mode of rolling up the base film, and is inefficient, the operation requirement is high, and because the base film is very heavy itself, consequently, need many workers to roll up the system simultaneously, working strength is big and there is the potential safety hazard.

At present, the automatic base rubber device of rolling up of some factory productions drives a roller through a power unit and rotates, though to a great extent has replaced the manual work, efficiency has been improved, but all be a roller basically, in actual production, must wait this roller and roll up the base rubber earlier after, will roll up this roller of base rubber again and remove to next station and carry out viscose and cutting, this kind of production mode makes every roll of good roller and all will carry out once the transfer, very waste time, inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that exists in the V-belt production technology now, and has provided one kind and has two rolls up the primer roller and can the moving as a whole butt joint, two rolls up the primer roller and can both be through butt joint drive independent operation, and two rolls up the primer station and can move the book primer machine of switching.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a butt joint formula duplex position book end machine of gluing, includes the base and sets up removal frame and the butt joint unit head on the base, be equipped with a butt joint track that supplies to remove a business turn over base on the base, still be equipped with a book end mucilage binding on the removal frame, roll up end mucilage binding and put including two rollers that set gradually with one heart, wherein expose after roller one end passes another roller with one heart along direction x, this end that two rollers extend along direction x is used for and drives roller pivoted above-mentioned butt joint unit head butt joint, the base slides and sets up on a base and the slip direction is unanimous with the roller axial.

In foretell butt joint formula duplex position book end machine of gluing, two rollers divide into first roller and second roller, first roller links firmly with a first pivot, and the second roller links firmly with a second pivot, and first pivot and second pivot rotate and set up on above-mentioned removal frame, and the second pivot is worn to establish in first pivot with one heart, above-mentioned butt joint unit head can dock with first pivot, second pivot alone.

In the butt joint type double-station bottom rubber rolling machine, the first rotating shaft, the first roller and the second roller are sequentially arranged along the axial direction of the first rotating shaft, the first roller and the butt joint power head are respectively arranged at two ends of the first rotating shaft, and one end of the second rotating shaft sequentially penetrates through the second roller, the first roller and the first rotating shaft.

In the butt joint type double-station bottom rubber rolling machine, the first rotating shaft is detachably and fixedly connected with the first roller, the outer end face of the first roller is provided with a positioning groove, and the first rotating shaft is arranged in the positioning groove through a fastener.

In the butt joint type double-station bottom rubber rolling machine, the second rotating shaft is fixedly connected with the first rotating shaft in a welding mode, penetrates through the second roller and is fixedly welded with the second rotating shaft at two ends of the second roller.

In foretell end machine of gluing is rolled up to butt joint formula duplex position, be equipped with the bearing group in the second pivot, the bearing group includes the bearing of a plurality of concentric settings, and the bearing group is located the junction of first pivot and first roller, has seted up mounting groove on the first roller medial surface, has seted up the mounting hole corresponding with above-mentioned mounting groove on the lateral surface of first roller, and mounting groove and mounting hole enclose to close and form the spacing space that is used for spacing bearing group. Can dismantle with first roller through first pivot and link firmly to in putting into first roller with two bearings, make things convenient for dismouting bearing.

In the butt joint type double-station bottom rubber rolling machine, the moving frame is symmetrically provided with two bearing seats, the first rotating shaft is rotatably arranged in one of the bearing seats, and one end of the second rotating shaft sequentially penetrates through the first rotating shaft, the first roller and the second roller and then is rotatably arranged in the other bearing seat.

In the butt joint type double-station bottom rubber rolling machine, the first roller and the second roller comprise an empty pipe and end covers on two sides, welding positioning grooves are respectively formed in two ends of the empty pipe, and the end covers are arranged in the welding positioning grooves and are welded and fixed with the empty pipe. The roller made by the mode of welding and fixing the hollow pipe and the two end covers is light in weight, reduces the rotation inertia, and reduces the part cost and the processing cost compared with the processing of a whole solid bar.

In the above butt joint type double-station bottom rubber rolling machine, the bottom rubber rolling device further comprises two butt joint pieces, each of the two butt joint pieces is divided into a first butt joint piece and a second butt joint piece, the first butt joint piece is fixedly connected with one end of the first rotating shaft extending along the direction x, the second butt joint piece is fixedly connected with one end of the second rotating shaft extending along the direction x, and the first butt joint piece, the second butt joint piece and the first rotating shaft are sequentially and concentrically arranged along the axial direction of the first rotating shaft.

In foretell butt joint formula duplex position book end gum machine, the butt joint unit head including the butt joint base and be used for the first butt joint piece of centre gripping or the chuck of second butt joint piece, the chuck rotates under a driving motor's drive, driving motor sets up at the butt joint base, the butt joint base slides and sets up on above-mentioned base, and the slip direction of butt joint base is unanimous with above-mentioned first roller axial, still be equipped with the docking mechanism that is used for the drive butt joint base to remove on the base, can switch the centre gripping with two butt joint pieces respectively when the chuck on the butt joint base removes.

In foretell butt joint formula duplex position book end gum machine, the chuck fixed set up on a chuck fixed plate, chuck fixed plate and a rotation axis welded fastening, the rotation axis is connected with above-mentioned driving motor. The driving motor drives the chuck to rotate through the rotating shaft.

In foretell butt joint formula duplex position book end gum machine, docking mechanism include two sets of slide rails that set up from top to bottom, divide into slide rail and lower slide rail, go up the slider and the butt joint base fixed connection of slide rail, go up the guide rail and a sliding bottom plate fixed connection of slide rail, sliding bottom plate is last to be provided with one and to go up the translation cylinder and be used for driving butt joint base along roller axial displacement, and the slider of lower slide rail is fixed to be set up in sliding bottom plate's bottom, the guide rail and the base fixed connection of lower slide rail, be provided with translation cylinder on the base and be used for driving sliding bottom plate along first roller axial displacement.

In foretell butt joint formula duplex position book end gum machine, the guide rail of going up the slide rail has two and parallel interval to set up on sliding bottom, is provided with two sliders on every linear guide, the guide rail of slide rail also has two and parallel interval to set up on the base down, is provided with two sliders on every linear guide.

In foretell butt joint formula duplex position book end machine of gluing, the butt joint track form by two sets of relative support roller groups that set up, support the roller group and include a plurality of support rollers that are used for supporting above-mentioned removal frame bottom, a plurality of support rollers set gradually along removing frame advancing direction, the butt joint track still includes the guide roller group of two sets of relative settings, and the guide roller group includes a plurality of guide rollers that are used for removing the frame side direction, and a plurality of guide rollers set gradually along removing frame advancing direction.

In foretell butt joint formula duplex position book end machine of gluing, the supporting roller include support bearing and back shaft, the back shaft fixed set up on the base, support bearing rotates with the back shaft to be connected, the bottom of removing the frame supports and leans on support bearing.

The guide roller comprises a guide bearing and a guide shaft, the guide shaft is fixedly arranged on the base, the guide bearing is rotatably connected with the guide shaft, and the outer side of the moving frame is abutted against the guide bearing.

In the butt joint type double-station bottom rubber rolling machine, the base is provided with two guide inclined planes, the two guide inclined planes are positioned at the inlet end of the butt joint track, and the two guide inclined planes gradually approach to each other along the advancing direction of the movable frame. The guide inclined plane is convenient for pushing the movable frame to enter the base.

In the butt joint type double-station bottom rubber rolling machine, the front end of the movable frame is provided with the guide part, the guide part is trapezoidal, and the width of the guide part is gradually reduced along the advancing direction of the movable frame. The guide part is convenient for push the movable frame to enter the base.

In the butt joint type double-station bottom rubber rolling machine, four groups of universal casters are uniformly distributed at the bottom of the movable frame.

In the butt joint type double-station bottom rubber rolling machine, the rear end of the movable frame is provided with the handle. When the movable frame moves integrally, the pushing is facilitated.

In the butt joint type double-station bottom rubber rolling machine, a plurality of groups of slide rails are arranged between the base and the base, and a sliding cylinder is arranged on the base and used for driving the base to move along the axial direction of the roller relative to the base.

In foretell butt joint formula duplex position book end gum machine, the bottom welded fastening of base has the shrouding, the slide rail of total three groups, every slide rail of group has two parallel arrangement's guide rail, is provided with two sliders on every linear guide, guide rail and above-mentioned shrouding fixed connection, the slider is fixed to be set up on the base.

The utility model discloses there is following beneficial effect:

1. when the bottom rubber rolling device is arranged in the butt joint track through the movable frame, the butt joint power head can be respectively in butt joint with the two groups of rollers on the bottom rubber rolling device and drives the corresponding rollers to rotate, so that the manual work is replaced, and the rotating process is continuous, stable and efficient;

2. roll up end mucilage binding and put accessible and remove a whole removal, after rolling up the system sticky tape on the roller, will roll up end mucilage binding and put whole removal to next station through removing the frame and process, can continue to roll up the system on the base with the removal frame dress that has empty roller simultaneously, improved work efficiency greatly.

3. Can carry out the station through actuating mechanism to two sets of rollers and shift, after one of them roller has been rolled up, roll up the base gum device global shifting through the drive, make another empty roller move and roll up the base gum work of going on rolling up the base gum station, realize seamless station switching, improve work efficiency greatly.

Drawings

Fig. 1 is a front view of the overall structure of the present invention;

fig. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the first roller of the present invention;

FIG. 4 is a schematic view of the connection structure of the second roller of the present invention;

FIG. 5 is a schematic view of the connection structure of the docking piece of the present invention;

fig. 6 is a schematic structural view of the docking power head of the present invention;

fig. 7 is a schematic mechanism diagram of the docking track of the present invention;

in the figure, 1, a base; 101. a guide slope; 2. a first roller; 201. a first rotating shaft; 202. a bearing set; 203. a first butt piece; 3. a second roller; 301. a second rotating shaft; 302. empty pipe; 303. an end cap; 304. a second docking piece; 4. a bearing seat; 5. a movable frame; 501. a guide portion; 502. a universal caster; 6. butting the power heads; 601. butting a base; 602. a chuck; 603. a chuck fixing plate; 604. a drive motor; 605. a rotating shaft; 606. an upper slide rail; 607. a lower slide rail; 608. a sliding bottom plate; 7. butt-jointing the rails; 701. supporting the rollers; 702. a guide roller; 8. a base; 9. and (7) closing the plate.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the utility model discloses a base 1 and the removal frame 5 and the butt joint unit head 6 of setting on base 1, be equipped with a butt joint track 7 that supplies to remove frame 5 business turn over base 1 on the base 1, still be equipped with on the removal frame 5 and roll up the primer device, roll up the primer device and include two rollers that set gradually with one heart, wherein expose after roller one end passes another roller with one heart along direction x, this end that two rollers extend along direction x is used for docking alone with the above-mentioned butt joint unit head 6 axial of drive roller pivoted, butt joint unit head 6 slides and sets up on above-mentioned base 1 and the slip direction is unanimous with the roller axial, butt joint unit head 6 switches the independent butt joint with each roller through sliding, base 1 slides and sets up on a base 8 and the slip direction is unanimous with the roller axial.

Be provided with the multiunit slide rail between base 1 and the base 5, a sliding cylinder sets up and is used for driving base 1 relative base 8 on base 8 along the axial displacement of roller, base 1's bottom welded fastening has shrouding 9, the total three groups of slide rail, every group slide rail has two parallel arrangement's guide rail 606, is provided with two sliders 607 on every linear guide 606, guide rail 606 and the 0 fixed connection of above-mentioned shrouding, the fixed setting of slider 607 is on base 5.

Two rollers divide into first roller 2 and second roller 3, and first roller 2 links firmly with a first pivot 201, and second roller 3 links firmly with a second pivot 301, and first pivot 201 and second pivot 301 rotate to set up on above-mentioned removal frame 5, and second pivot 301 wears to establish in first pivot 201 with one heart, and above-mentioned butt joint unit head 6 can dock with first pivot 201, second pivot 301 alone, first pivot 201, first roller 2, second roller 3 set gradually along the axial of first pivot 201, first roller 2 and above-mentioned butt joint unit head 6 divide the both ends of establishing at first pivot 201, second pivot 301 one end passes second roller 3, first roller 2, first pivot 201 in proper order.

Two bearing blocks 4 are symmetrically arranged on the moving frame 5, the first rotating shaft 201 is rotatably arranged in one of the bearing blocks 4, and one end of the second rotating shaft 301 sequentially penetrates through the first rotating shaft 201, the first roller 2 and the second roller 3 and then is rotatably arranged in the other bearing block 4.

As shown in fig. 3 and 4, the first rotating shaft 201 is detachably and fixedly connected with the first roller 2, a positioning groove is formed in the outer end face of the first roller 2, the first rotating shaft 201 is arranged in the positioning groove through a fastener, a bearing group 202 is arranged in the first roller 2, the bearing group 202 comprises a plurality of bearings concentrically arranged, the bearing group 202 is located at the joint of the first rotating shaft 201 and the first roller 2, an installation clamping groove is formed in the inner side face of the first roller 2, an installation hole corresponding to the installation clamping groove is formed in the outer side face of the first roller 2, and the installation clamping groove and the installation hole enclose a limiting space for limiting the bearing group 202. Can dismantle with first roller 2 through first pivot 201 and link firmly to put into first roller 2 with two bearings, make things convenient for dismouting bearing, second pivot 301 links firmly with 3 welding of second roller, second pivot 301 pass second roller 3 and at the both ends of second roller 3 and second pivot 301 welded fastening.

The first roller 2 and the second roller 3 comprise an empty pipe 302 and end covers 303 at two sides, welding positioning grooves are respectively formed in two ends of the empty pipe 302, and the end covers 303 are arranged in the welding positioning grooves and are welded and fixed with the empty pipe 302. The roller made by the mode that the hollow pipe 302 and the two end covers 303 are welded and fixed is light in weight, the rotation inertia is reduced, and compared with the mode that the whole solid bar is used for processing, the part cost and the processing cost are reduced.

As shown in fig. 5, the primer rolling device further includes two butt-joint pieces, each of the two butt-joint pieces is divided into a first butt-joint piece 203 and a second butt-joint piece 304, the first butt-joint piece 203 is fixedly connected with one end of the first rotating shaft 201 extending along the direction x, the second butt-joint piece 304 is fixedly connected with one end of the second rotating shaft 301 extending along the direction x, and the first butt-joint piece 203, the second butt-joint piece 304 and the first rotating shaft 201 are sequentially and concentrically arranged along the axial direction of the first rotating shaft 201.

As shown in fig. 6, the docking power head 6 includes a docking base 601 and a chuck 602 for clamping the first docking member 203 and the second docking member 304, the chuck 602 is fixedly disposed on a chuck fixing plate 603, the chuck fixing plate 603 is welded and fixed with a rotating shaft 605, the rotating shaft 605 is connected with a driving motor 604, the chuck 602 rotates under the driving of the driving motor 604, the driving motor 604 is disposed on the docking base 601, the docking base 601 is slidably disposed on the base 1, the sliding direction of the docking base 601 is axially consistent with the axial direction of the first roller 2, the base 1 is further provided with a docking mechanism for driving the docking base 601 to move, and the chuck 602 on the docking base can respectively switch clamping with the two docking members when moving.

Docking mechanism includes the slide rail that two sets of upper and lower settings, divide into slide rail 606 and lower slide rail 607, goes up slide block and the butt joint base 601 fixed connection of slide rail 606, goes up slide rail 606's guide rail and a sliding bottom plate 608 fixed connection, sliding bottom plate 608 is last to be provided with one and to go up the translation cylinder and be used for driving butt joint base 601 along roller axial displacement, and the fixed bottom that sets up at sliding bottom plate 608 of slide rail 607's slider is down, the guide rail and the base 1 fixed connection of lower slide rail 607, be provided with translation cylinder on the base 1 and be used for driving sliding bottom plate 608 along first roller 2 axial displacement.

The upper slide rail 606 has two guide rails arranged on the sliding bottom plate 608 at intervals in parallel, two sliding blocks are arranged on each linear guide rail, the lower slide rail 607 also has two guide rails arranged on the base 1 at intervals in parallel, and two sliding blocks are arranged on each linear guide rail.

As shown in fig. 7, the docking track 7 is formed by two sets of supporting roller sets which are oppositely arranged, each supporting roller set includes a plurality of supporting rollers 701 for supporting the bottom of the movable frame 5, the plurality of supporting rollers 701 are sequentially arranged along the traveling direction of the movable frame 5, the docking track 7 further includes two sets of guiding roller sets which are oppositely arranged, each guiding roller set includes a plurality of guiding rollers 702 for guiding the side surface of the movable frame 5, and the plurality of guiding rollers 702 are sequentially arranged along the traveling direction of the movable frame 5.

The supporting roller 701 comprises a supporting bearing and a supporting shaft, the supporting shaft is fixedly arranged on the base 1, the supporting bearing is rotatably connected with the supporting shaft, the bottom of the moving frame 5 is abutted against the supporting bearing, the guiding roller 702 comprises a guiding bearing and a guiding shaft, the guiding shaft is fixedly arranged on the base 1, the guiding bearing is rotatably connected with the guiding shaft, and the outer side of the moving frame 5 is abutted against the guiding bearing.

Two direction inclined planes 101 have been seted up on base 1, and two direction inclined planes 101 are located the entering end of butt joint track 7, and two direction inclined planes 101 are close to along removing 5 advancing direction gradually, the front end that removes frame 5 is provided with guide 501, guide 501 be trapezoidal, guide 501's width reduces along the advancing direction that removes frame 5 gradually, and direction inclined planes 101 and guide 501 are convenient for promote on removing frame 5 gets into base 1, and the bottom evenly distributed that removes frame 5 is provided with four group's universal castor 502, the rear end that removes frame 5 is provided with the handle, does benefit to the promotion when removing frame 5 and carrying out the bulk movement.

The utility model discloses the theory of operation as follows:

1. before the bottom rubber rolling operation, a moving frame 5 provided with two groups of hole rollers is firstly installed on a base 1 along a butt joint rail 7, so that a calender is in butt joint with a second roller 3, and at the moment, when piston rods of a sliding cylinder, an upper translation cylinder and a lower translation cylinder are in a retraction state, a chuck 602 is positioned on the outer side of the bottom rubber rolling device;

2. after the primer is started to be rolled, a piston rod of the upper translation cylinder extends outwards to drive the docking power head 6 to move forwards integrally, so that the chuck 602 is positioned on the periphery of the second docking piece 304, the drive motor 604 drives the chuck 602 to rotate, the chuck 602 clamps the second docking piece 304 and drives the second rotating shaft 301 to rotate, and the second roller 3 is driven to rotate to start to roll the primer;

3. after the adhesive tape is wound on the second roller 3, the chuck 602 releases the second butt joint member 304, the second roller 3 stops rotating, and at the moment, the piston rod of the sliding cylinder extends outwards to drive the base 1 to move forwards integrally, so that the calender is butted with the first roller 2;

4. a piston rod of the lower translation cylinder is pushed out outwards to drive the docking power head 6 to move forwards integrally, so that the chuck 602 is positioned on the periphery of the first docking piece 203, the chuck 602 clamps the first docking piece 203 and drives the first rotating shaft 201 to rotate, and the first roller 2 is driven to rotate to start to roll the base rubber;

5. after the first roller 2 is wound with the adhesive tape, the chuck 602 releases the first butt joint piece 203, the first roller 2 stops rotating, the piston rods of the sliding cylinder, the upper translation cylinder and the lower translation cylinder all return to the original positions inwards, at the moment, the chuck 602 returns to the outer side of the primer winding device, the movable frame 5 is moved out of the butt joint rail 7, and the roller provided with two groups of wound adhesive tapes is moved to the next station.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A butt joint type double-station bottom rubber rolling machine is characterized by comprising a base (1), a movable frame (5) and a butt joint power head (6) which are arranged on the base (1), the base (1) is provided with a butt joint rail (7) for the movable frame (5) to enter and exit the base (1), the moving frame (5) is also provided with a bottom rubber rolling device which comprises two rollers which are concentrically and sequentially arranged, wherein one end of each roller concentrically penetrates through the other roller along the direction x and then is exposed, the ends of the two rollers extending along the direction x are used for being axially and independently butted with the butting power head (6) for driving the rollers to rotate, the butt joint power head (6) is arranged on the base (1) in a sliding mode, the sliding direction of the butt joint power head is consistent with the axial direction of the roller, the butt joint power head (6) is in butt joint with each roller independently through sliding switching, the base (1) is arranged on a base (8) in a sliding mode, and the sliding direction is consistent with the axial direction of the rollers.

2. The butt joint type double-station bottom rubber rolling machine according to claim 1, wherein the two rollers are divided into a first roller (2) and a second roller (3), the first roller (2) is fixedly connected with a first rotating shaft (201), the second roller (3) is fixedly connected with a second rotating shaft (301), the first rotating shaft (201) and the second rotating shaft (301) are rotatably arranged on the moving frame (5), the second rotating shaft (301) is concentrically arranged in the first rotating shaft (201) in a penetrating mode, and the butt joint power head (6) can be singly in butt joint with the first rotating shaft (201) and the second rotating shaft (301).

3. The butt joint type double-station bottom rubber rolling machine according to claim 2, wherein the first rotating shaft (201), the first roller (2) and the second roller (3) are sequentially arranged along the axial direction of the first rotating shaft (201), the first roller (2) and the butt joint power head (6) are respectively arranged at two ends of the first rotating shaft (201), and one end of the second rotating shaft (301) sequentially penetrates through the second roller (3), the first roller (2) and the first rotating shaft (201).

4. The butt-joint type double-station bottom-rolling machine according to claim 2, wherein the first rotating shaft (201) is detachably and fixedly connected with the first roller (2), a positioning groove is formed in the outer end face of the first roller (2), and the first rotating shaft (201) is arranged in the positioning groove through a fastener.

5. The butt joint type double-station bottom rubber rolling machine according to claim 2 is characterized in that two bearing seats (4) are symmetrically arranged on the moving frame (5), the first rotating shaft (201) is rotatably arranged in one bearing seat (4), and one end of the second rotating shaft (301) sequentially penetrates through the first rotating shaft (201), the first roller (2) and the second roller (3) and then is rotatably arranged in the other bearing seat (4).

6. The butt joint type double-station bottom rubber rolling machine according to claim 2, wherein the bottom rubber rolling device further comprises two butt joint pieces, the two butt joint pieces are divided into a first butt joint piece (203) and a second butt joint piece (304), the first butt joint piece (203) is fixedly connected with one end of the first rotating shaft (201) extending along the direction x, the second butt joint piece (304) is fixedly connected with one end of the second rotating shaft (301) extending along the direction x, and the first butt joint piece (203), the second butt joint piece (304) and the first rotating shaft (201) are sequentially and concentrically arranged along the axial direction of the first rotating shaft (201).

7. The butt joint type double-station bottom rubber rolling machine according to claim 6, wherein the butt joint power head (6) comprises a butt joint base (601) and a chuck (602) used for clamping the first butt joint piece (203) or the second butt joint piece (304), the chuck (602) rotates under the driving of a driving motor (604), the driving motor (604) is arranged on the butt joint base (601), the butt joint base (601) is arranged on the base (1) in a sliding mode, the sliding direction of the butt joint base (601) is axially consistent with that of the first roller (2), a butt joint mechanism used for driving the butt joint base (601) to move is further arranged on the base (1), and the chuck (602) on the butt joint base can be respectively switched with the two butt joint pieces to clamp when moving.

8. The butt-joint type double-station bottom rubber rolling machine according to claim 7, wherein the butt-joint mechanism comprises two sets of slide rails arranged up and down, the two sets of slide rails are divided into an upper slide rail (606) and a lower slide rail (607), a slide block of the upper slide rail (606) is fixedly connected with the butt-joint base (601), a guide rail of the upper slide rail (606) is fixedly connected with a slide base plate (608), an upper translation cylinder is arranged on the slide base plate (608) and used for driving the butt-joint base (601) to axially move along the rollers, a slide block of the lower slide rail (607) is fixedly arranged at the bottom of the slide base plate (608), a guide rail of the lower slide rail (607) is fixedly connected with the base (1), and a lower translation cylinder is arranged on the base (1) and used for driving the slide base plate (608) to axially move along the first.

9. The butt joint type double-station bottom rolling machine according to claim 1, wherein the butt joint rail (7) is formed by two sets of oppositely arranged supporting roller groups, each supporting roller group comprises a plurality of supporting rollers (701) used for supporting the bottom of the movable frame (5), the supporting rollers (701) are sequentially arranged along the traveling direction of the movable frame (5), the butt joint rail (7) further comprises two sets of oppositely arranged guiding roller groups, each guiding roller group comprises a plurality of guiding rollers (702) used for guiding the side surface of the movable frame (5), and the guiding rollers (702) are sequentially arranged along the traveling direction of the movable frame (5).

10. The butt-joint type double-station bottom rolling machine according to claim 1, wherein a plurality of sets of slide rails are arranged between the base (1) and the base (8), and a slide cylinder is arranged on the base (8) and used for driving the base (1) to move along the axial direction of the roller relative to the base (8).