CN211869927U - Round bottle rotating mechanism of round bottle labeling machine - Google Patents

Abstract

The utility model discloses a round bottle rotating mechanism of a round bottle labeling machine, which comprises a frame, one side of the frame is provided with a cylinder, a pair of parallel clamping rollers along the vertical direction is arranged on a piston rod of the cylinder, one side of the frame, which is far away from the cylinder, of the clamping rollers is provided with a driving component for driving a bottle to rotate, the cylinder is connected with the two clamping rollers through a mounting plate, the mounting plate is provided with two mounting seats in a sliding way, and the two clamping rollers are respectively and rotatably arranged on the two mounting seats; the two installation seats slide along the directions close to and far away from each other, and positioning pieces for releasing and fixing the installation seats are arranged on the installation plates. Through sliding the mount pad and setting up at the mounting panel, through releasing the setting element, two mount pads of slip for distance between two mount pads reduces, thereby can prevent that the less bottle of diameter from passing between two pinch rolls, makes the pinch roll can support the bottle tightly, thereby can make the application scope increase of labeller.

Description

A round bottle rotating mechanism of a round bottle labeling machine

technical field

The utility model relates to the technical field of labeling machines, in particular to a round bottle rotating mechanism of a round bottle labeling machine.

Background technique

The labeling machine is a device that sticks paper or metal foil labels on the specified packaging containers with adhesives. Labeling machine is divided into plane labeling machine, round bottle labeling machine and side labeling machine. The round bottle labeling machine is to realize labeling or filming on the circumferential surface of cylindrical and conical products, such as glass bottles. , plastic bottles, etc., can realize the functions of circumference, semi-circle, double-sided circumference, circumference positioning and labeling.

For example, the Chinese patent with the authorization announcement number CN203512183U discloses a round bottle mechanism of a labeling machine, which includes a pinch roller and a rubber roller arranged oppositely. The rubber roller is fixed on the rubber roller mounting bracket, and the rubber roller mounting bracket passes through the rubber roller at the top. The fixing knob is fixed on the rubber roller motor fixing plate, the bottom end of the fixing plate is fixed with the rubber roller motor, the rubber roller mounting bracket is fixed with a horizontal support rod at the left end, the horizontal support rod is provided with a vertical support rod, and the vertical support rod is fixed on There is a pinch roller cylinder, the pinch roller is arranged on the right end of the pinch roller cylinder, the left end of the horizontal strut is provided with a horizontal adjustment knob for adjusting the horizontal position of the pinch roller, and the top of the vertical strut is provided with a vertical adjustment for adjusting the vertical height of the pinch roller knob.

The pinch roller cylinder is connected with a pair of pinch rollers. When the labeling machine is working, the pinch roller cylinder drives the two pinch rollers to move towards the direction of the rubber roller to press the bottle to be labeled with the pinch roller, and make the bottle between the two clamps. between the rolls. Then, the rubber roller rotates, so as to drive the bottle to rotate, so that the label can be attached to the bottle body during the rotation of the bottle. However, when it is necessary to label a bottle with a smaller diameter, since the diameter of the bottle to be labelled is small, and the distance between the two clamping rollers is fixed, the bottle will pass directly between the two clamping rollers, so that the clamping roller The rollers cannot hold the bottles to be labelled tightly, resulting in a narrower application range of the labeling machine.

Utility model content

In view of the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a round bottle rotating mechanism of a round bottle labeling machine, which can adjust the distance between the two clamping rollers, and slide the two installations by releasing the positioning member. The distance between the two mounting seats is reduced, so that the bottle with a smaller diameter can be prevented from passing between the two pinch rollers, so that the pinch roller can press the bottle tightly, so that the application range of the labeling machine can be increased. .

The above-mentioned purpose of the present invention is achieved through the following technical solutions:

A round bottle rotating mechanism of a round bottle labeling machine includes a frame, a cylinder is arranged on one side of the frame, and a pair of parallel and vertical clamping rollers are arranged on the piston rod of the air cylinder. The frame is provided with a drive assembly for driving the bottle to rotate on the side of the clamping roller away from the cylinder, the cylinder is connected with the two clamping rollers through a mounting plate, and two mounting plates are slidingly arranged on the mounting plate. The two clamping rollers are respectively rotatably arranged on the two mounting seats; the two mounting seats slide in the directions of approaching and moving away from each other, and the mounting plate is provided with a device for releasing and fixing the mounting seats locator.

By adopting the above technical solution, when the distance between the two clamping rollers needs to be adjusted during work, the worker opens the positioning member, so that the mounting seat can be pushed to slide on the mounting plate, and the mounting seat slides, thereby It can drive the pinch roller to slide on the mounting plate. When a bottle with a smaller diameter needs to be pressed against the label, the positioning member can be released, so that the two mounting seats can be slid, so that the distance between the two mounting seats is reduced, preventing the bottle from passing between the two clamping rollers. Passing through it can make the nip roller press the bottle tightly, so that the labeling machine can be used in a wider range.

The utility model is further configured as follows: the mounting plate is provided with a waist-shaped hole along the horizontal direction, the positioning member comprises a positioning bolt threadedly connected to the mounting seat; the rod portion of the positioning bolt passes through the waist A shaped hole, and the head abuts against the side wall of the mounting plate close to the cylinder.

By adopting the above technical solution, when the distance between the two mounting seats needs to be adjusted, the positioning bolt is rotated so that the head of the positioning bolt is disengaged from the mounting plate. At this time, the friction between the head of the positioning bolt and the mounting plate The force disappears, so that the mounting seat can drive the positioning bolt to slide on the mounting plate, so that the distance between the two clamping rollers can be changed. After the distance between the two rollers is adjusted, the staff turns the positioning bolts to make the heads of the positioning bolts abut against the mounting plate, so that the mounting seat can be fixed on the mounting plate, with simple structure and convenient operation.

The utility model is further configured as follows: an adjusting screw is rotatably arranged on the mounting plate, a left-handed thread and a right-handed thread are symmetrically arranged on the surface of the adjusting screw from the center to both sides, and two mounting seats are provided with mounting The two mounting blocks are respectively screwed to the left and right threads on both sides of the adjusting screw; the axial direction of the adjusting screw is consistent with the sliding direction of the mounting seat.

By adopting the above technical solution, when it is necessary to adjust the distance between the two mounting seats, the staff first turns the positioning bolts to separate the heads of the positioning bolts from the mounting plate, and then the staff rotates the adjusting screw, so as to drive the The two mounting blocks move toward or away from each other synchronously. After the distance between the two mounting seats is adjusted, the staff turns the positioning bolts to make the heads of the positioning bolts abut against the mounting plate. By setting the adjusting screw, and setting the thread of the adjusting screw to be symmetrical on the left and right, when the adjusting screw is rotated, the two mounting seats can be synchronously moved toward each other or opposite to each other, so that the two clamping rollers During the sliding process, the position of the center line can be kept unchanged, so that the position where the two nip rollers press against the bottle does not shift. At the same time, it is convenient for the staff to drive the mounting seat to slide, and the adjusting lead screw has the function of self-locking and can also play the role of positioning the mounting seat. The double-threaded adjusting screw is used, the structure is relatively simple, and at the same time, the functions that can be achieved are not single, so that the adjustment of the two mounting seats can be more convenient.

The utility model is further provided that: the mounting block is detachably connected to the mounting plate, and the mounting seat is provided with a fixing piece for fixing the mounting block on the mounting seat.

By adopting the above technical solution, when the pinch roller is worn for a long time, the fixing piece is opened, and then the positioning bolt is unscrewed from the mounting seat, so that the mounting seat can be removed from the mounting plate, and the mounting seat and the pinch roller can be removed. Replace or repair.

The utility model is further configured as follows: the fixing piece includes a fixing block fixedly arranged on the mounting seat and a fixing rod slidingly arranged on the fixing block, and the fixing block is provided with a hole for the fixing rod to be inserted into. The fixing hole is connected; the fixing block is provided with an elastic piece to prevent the fixing rod from disengaging from the fixing hole.

By adopting the above technical solution, when it is necessary to disassemble the mounting seat and the mounting block, the staff overcomes the elastic force of the elastic member, thereby sliding the fixing rod, so that the fixing rod is separated from the fixing hole, so that the mounting seat can be removed from the mounting block. The utility model has the advantages of simple structure and convenient operation.

The utility model is further provided as follows: a reset cavity is opened in the fixed block, the fixed rod penetrates through the fixed block and through the reset cavity, and a pressing piece is fixed on the fixed rod, and the pressing The sheet is slidably arranged in the reset cavity; the elastic member is a reset spring, and the reset spring is sleeved on the fixing rod; one end of the reset spring is connected with the abutting piece away from the fixing hole. The side wall is pressed tightly, the other end is pressed against the inner cavity wall of the reset cavity away from the fixing hole, the reset spring is always in a compressed state, and the abutting piece and the reset cavity are close to the fixing hole The fixing rod is inserted into the fixing hole when the inner cavity wall is abutted tightly.

By adopting the above technical solution, when it is necessary to separate the mounting seat from the mounting block, the staff overcomes the elastic force of the return spring, pulls the fixing rod toward the direction away from the fixing hole, and drives the abutting piece to slide in the reset cavity, thereby enabling the The abutting piece compresses the return spring, and the fixing rod is continuously pulled, so that the fixing rod is disengaged from the fixing hole. When the mounting base needs to be fixed on the mounting block, the staff aligns the fixing rod with the fixing hole, then releases the fixing rod, and the abutting piece slides towards the direction close to the fixing hole under the elastic force of the return spring, so that the The fixing rod is driven to be inserted into the fixing hole. By arranging the return spring on the fixing rod and setting the abutting piece, a force in the direction of the fixing hole can be applied to the fixing rod, so as to prevent the fixing rod from being separated from the fixing hole during the working process. At the same time, the fixing rod has a reset function.

The utility model is further provided as follows: a star-shaped handle is fixedly arranged at one end of the adjusting screw.

By adopting the above technical solution, by arranging a star-shaped handle on the adjusting lead screw, it is convenient for the staff to rotate the adjusting lead screw with bare hands, and it is convenient for the staff to rotate the adjusting lead screw.

The utility model is further configured as follows: the installation seat is provided with an oblong hole perpendicular to the waist-shaped hole, a buffer tube is slidably arranged in the oblong hole, a rotating shaft is rotatably connected in the buffer tube, and the clamping roller It is fixedly arranged on the rotating shaft; a buffer spring is arranged between the rotating shaft and the inner wall of the oblong hole close to the mounting plate.

By adopting the above technical solution, by sliding the buffer tube on the mounting seat and setting the buffer spring, the nip roller can become flexible contact when it contacts the bottle. Before the buffer spring is added, when the position of the pinch roller is adjusted, the bottle of the same specification can be pressed tightly. The diameter of the bottle body of the same specification bottle is the same within the tolerance range, but there are still subtle dimensions. By setting the buffer spring, the elasticity of the buffer spring can be adapted to press against the bottle body, reducing the possibility of damage to the bottle body and the label on the bottle body, and at the same time ensuring that the bottle body is pressed tightly.

The utility model is further provided as follows: a first guide rod is fixedly arranged on the buffer tube, a second guide rod is arranged on the inner wall of the oblong hole close to the installation plate; the buffer spring is at one end away from the installation plate It is sleeved on the first guide rod, and the other end is sleeved on the second guide rod.

By adopting the above technical solution, by arranging the first guide rod and the second guide rod, the buffer spring can be prevented from being bent when the buffer spring is bent.

To sum up, the beneficial technical effects of the present utility model are:

1. By releasing the positioning piece, the two mounting seats can be slid, so that the distance between the two mounting seats is reduced, the bottle can be prevented from passing through between the two clamping rollers, and the clamping roller can press the bottle tightly, so that the The use of the standard machine is wider;

2. By setting the adjusting screw, and setting the thread of the adjusting screw to be symmetrical on the left and right, so that when the adjusting screw is rotated, the two mounting seats can be synchronously moved toward or away from each other, so that the two During the sliding process of the nip rollers, the position of the center line can remain unchanged, so that the position where the two nip rollers press against the bottle does not shift. At the same time, it is convenient for the staff to drive the mounting seat to slide, and the adjusting lead screw has the function of self-locking and can also play the role of positioning the mounting seat. The double-threaded adjusting screw is used, the structure is relatively simple, and the functions that can be achieved are not single, so that the adjustment of the two mounting seats can be more convenient;

3. By arranging a return spring on the fixing rod and setting a pressing piece, a force in the direction of the fixing hole can be applied to the fixing rod, so as to prevent the fixing rod from disengaging from the fixing hole during the working process. At the same time, it also makes the fixing rod have a reset function;

4. By setting the buffer spring, the elasticity of the buffer spring can be adapted to hold the bottle body tightly, so as to reduce the possibility of damage to the bottle body and the label on the bottle body, and at the same time, it can also ensure that the bottle body is pressed tightly.

Description of drawings

Fig. 1 is the structural representation of the round bottle rotating mechanism of a kind of round bottle labeling machine of the present utility model;

Fig. 2 is the partial enlarged schematic diagram of A part in Fig. 1, is used for representing the structure of the mounting seat;

FIG. 3 is a schematic cross-sectional structural diagram of the fixing block along the axial direction of the fixing rod, which is used to illustrate the structure of the fixing piece.

Reference numerals: 1, frame; 2, conveyor belt; 3, bottle; 4, first connecting plate; 5, first polished rod; 6, vertical screw; 7, drive assembly; 71, drive motor; 72, active Shaft; 73, passive shaft; 74, drive belt; 8, mounting seat; 81, first fixing plate; 82, second fixing plate; 9, fixing part; 91, fixing block; 92, fixing rod; 10, horizontal wire Lever; 11, the third connecting plate; 12, the second polished rod; 13, the fourth connecting plate; 14, the second hand wheel; 15, the cylinder; 16, the mounting plate; 17, the first hand wheel; 18, the positioning bolt; 19, waist hole; 20, adjusting screw; 21, mounting block; 22, star handle; 23, fixing hole; 24, reset cavity; 25, abutting piece; 26, reset spring; 27, pinch roller; 28 , oblong hole; 29, buffer tube; 30, shaft; 31, first guide rod; 32, second guide rod; 33, buffer spring; 34, second connecting plate; 35, supporting plate; 36, connecting plate; 37 , Pull sheet.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 , the present utility model discloses a round bottle rotating mechanism of a round bottle labeling machine, including a frame 1 , on which a conveyor belt 2 is arranged, and the conveyor belt 2 is used for conveying cylindrical bottles 3 . A first connecting plate 4 is fixedly arranged on the side wall of the rack 1, and two first polished rods 5 parallel to each other are fixedly connected on the first connecting plate 4 along the vertical direction. A vertical lead screw 6 parallel to the first polished rod 5 is threadedly connected to the connecting plate 4 , and a second connecting plate 34 is rotatably connected to the top of the vertical lead screw 6 . The second connecting plate 34 is provided with two through holes in the vertical direction, the two first polished rods 5 are respectively inserted into the two through holes, and the first polished rods 5 are slidably connected to the second connecting plate 34 . The end of the vertical screw 6 away from the second connecting plate 34 is fixedly provided with a first hand wheel 17 . By turning the first hand wheel 17, the vertical screw 6 is threadedly connected to the first connecting plate 4, so the vertical screw 6 moves relative to the first connecting plate 4 along the axial direction of the first polished rod 5, thereby The second connecting plate 34 is driven to move together.

Referring to FIG. 1 , a horizontal screw 10 is threadedly connected to the side wall of the second connecting plate 34 away from the frame 1 , the horizontal screw 10 and the vertical screw 6 are perpendicular to each other, and at the same time, the horizontal screw 10 and the conveyor belt 2 are perpendicular to each other. . The horizontal screw 10 penetrates through the second connecting plate 34 , and one end of the horizontal screw 10 close to the conveyor belt 2 is rotatably connected with the third connecting plate 11 . The second connecting plate 34 is provided with two through holes, and the two through holes are distributed on both sides of the horizontal screw rod. Two second polished rods 12 are fixedly connected to the side wall of the third connecting plate 11 away from the conveyor belt 2 . The second polished rod 12 passes through the through hole on the second connecting plate 34 , and the second polished rod 12 is slidably connected to the second connecting plate 34 , and at the same time, the second polished rod 12 and the horizontal screw 10 are parallel to each other. A fourth connecting plate 13 is fixedly connected to one end of the second polished rod 12 away from the third connecting plate 11 , and the horizontal screw 10 passes through the fourth connecting plate 13 and is slidably connected to the fourth connecting plate 13 . The end of the horizontal screw 10 away from the third connecting plate 11 is fixedly provided with a second hand wheel 14 . The worker drives the horizontal screw 10 to rotate by turning the second hand wheel 14 . Since the horizontal screw 10 is threadedly connected to the second connecting plate 34 , the horizontal screw 10 moves relative to the second connecting plate 34 along its axial direction. , thereby driving the third connecting plate 11 to move together.

Referring to FIGS. 1 and 2 , a cylinder 15 is fixedly connected to the third connecting plate 11 , and the cylinder 15 is a double-acting cylinder 15 . The piston rod of the air cylinder 15 is oriented close to the conveyor belt 2 , and the axial direction of the piston rod is perpendicular to the direction of the conveyor belt 2 . The end of the piston rod of the cylinder 15 is fixedly provided with a mounting plate 16 , and the mounting plate 16 is connected with the mounting seat 8 through a positioning member, and the positioning member is a positioning bolt 18 . The mounting seat 8 includes a first fixing plate 81 and a second fixing plate 82 arranged in the vertical direction, the second fixing plate 82 has two identical pieces, and the two second fixing plates 82 are integrally arranged with the first fixing plate 81; The two second fixing plates 82 are both located on the side wall of the first fixing plate 81 away from the mounting base 8 . The two second fixing plates 82 are distributed on both sides of the first fixing plate 81 along the vertical direction. The mounting plate 16 is provided with a waist-shaped hole 19 , and the longitudinal direction of the waist-shaped hole 19 is consistent with the direction of the conveyor belt 2 . The rod portion of the positioning bolt 18 passes through the end of the mounting plate 16 close to the cylinder 15, and is threadedly connected to the side wall of the first fixing plate 81 away from the second fixing plate 82, while the head of the positioning bolt 18 and the mounting plate 16 are close to the cylinder. 15 the side walls are pressed tightly. There are two identical mounting seats 8 , and the two mounting seats 8 are distributed on the mounting plate 16 along the direction of the conveyor belt 2 . The two mounting bases 8 are connected to the mounting plate 16 in the same manner.

1 and 2 , the upper end surface of the mounting plate 16 away from the conveyor belt 2 is rotatably connected with an adjusting screw 20 through a bearing. A mounting block 21 is threadedly connected to the left-hand thread and the right-hand thread of the lever 20 respectively, and a star-shaped handle 22 is fixedly connected to one end of the adjusting screw 20 .

2 and 3 , the first fixing plate 81 is provided with a fixing member 9 , and the fixing member 9 includes a fixing block 91 and a fixing rod 92 . The fixing block 91 is fixedly mounted on the side wall of the first fixing plate 81 close to the cylinder 15 , and the fixing block 91 is located directly above the mounting block 21 . A fixing hole 23 is formed on the upper end surface of the mounting block 21 close to the fixing block 91 . A reset cavity 24 is opened in the fixed block 91 , the fixed rod 92 penetrates the fixed block 91 in the vertical direction, and the fixed rod 92 passes through the reset cavity 24 . A pressing piece 25 is fixedly connected to the fixing rod 92 , and the pressing piece 25 is slidably arranged in the reset cavity 24 . An elastic member is provided on the fixing rod 92 , and the elastic member is the return spring 26 . The return spring 26 is sleeved on the fixed rod 92 and is located in the return cavity 24 . One end of the return spring 26 is pressed against the side wall of the abutting piece 25 away from the mounting block 21 , and the other end is pressed against the inner cavity wall of the reset cavity 24 away from the mounting block 21 . When the pressing piece 25 abuts against the inner cavity wall of the reset cavity 24 close to the mounting block 21 , the end of the fixing rod 92 close to the mounting block 21 is inserted into the fixing hole 23 , and the end of the fixing rod 92 away from the fixing hole 23 is fixed. A pulling piece 37 is provided to facilitate the staff to pull the fixing rod 92 .

Referring to FIG. 2 , a pinch roller 27 is provided between the two second fixing plates 82 , and an oblong hole 28 is opened on the two second fixing plates 82 . A buffer tube 29 is slidably arranged in the two oblong holes 28, and both ends of the clamping roller 27 are fixedly connected with a rotating shaft 30, the two rotating shafts 30 are respectively inserted into the two buffer tubes 29, and the rotating shaft 30 is connected with the buffer tube 29 in rotation. . A first guide rod 31 is fixed on the outer side wall of the buffer tube 29 facing the cylinder 15 , and a second guide rod 32 is fixed on the inner wall of the oblong hole 28 close to the cylinder 15 . The first guide rod 31 is coaxial with the second guide rod 32 set up. A buffer spring 33 is sleeved on the first guide rod 31, and one end of the buffer spring 33 away from the first guide rod 31 is sleeved on the second guide rod 32; Abut against the inner wall of the cylinder 15 near the oblong hole 28 .

Referring to FIG. 1 , a drive assembly 7 is provided on the frame 1 , and the drive assembly 7 includes a drive motor 71 , a driving shaft 72 , a driven shaft 73 and a driving belt 74 . A support plate 35 is fixedly connected to the side of the frame 1 away from the cylinder 15 , and the support plate 35 is located on the opposite side of the mounting plate 16 . The driving shaft 72 and the driven shaft 73 are both rotatably connected to the upper end surface of the support plate 35 through bearings, and the driving shaft 72 and the driven shaft 73 are arranged parallel to each other and spaced apart. One end of the driving shaft 72 away from the supporting plate 35 is provided with a connecting plate 36 . The connecting plate 36 and the supporting plate 35 are parallel to each other, and both the driving shaft 72 and the passive shaft 73 are rotatably connected to the connecting plate 36 through bearings. The driving motor 71 is fixedly mounted on the connecting plate 36, and the output shaft of the driving motor 71 is keyed to the driving shaft 72 so that the driving motor 71 drives the driving shaft 72 to rotate when it is started. The driving belt 74 is sleeved on the driving shaft 72 and the driven shaft 73 , and is tensioned with the driving shaft 72 and the driven shaft 73 . The driving motor 71 is activated to drive the driving shaft 72 to rotate, thereby driving the driving belt 74 to rotate on the driving shaft 72 , thereby driving the driven shaft 73 to rotate.

Implementation principle:

During operation, the conveyor belt 2 drives the bottle 3 to the drive belt 74, and then the worker activates the cylinder 15, and the piston rod of the cylinder 15 drives the mounting plate 16 to move toward the drive belt 74, and drives the two mounting seats 8 toward the drive belt 74. The two pinch rollers 27 move in the direction close to the driving belt 74, so that the two pinch rollers 27 press the bottle 3 against the driving belt 74; , so that the frictional force between the driving belt 74 and the bottle 3 can be increased. Then, the drive motor 71 is started to drive the drive belt 74 to rotate. At the same time, the conveyor belt 2 still drives the bottles 3 to move relative to the driving belt 74 . With the movement of the driving belt 74 , the bottle 3 can be driven to rotate. Since the nip roller 27 is rotatably connected to the mounting seat 8 , the nip roller 27 and the bottle 3 rotate relative to each other.

When it is necessary to adjust the distance between the two pinch rollers 27, the worker firstly turns the positioning bolt 18 so that the head of the positioning bolt 18 is separated from the mounting plate 16, and then rotates the star handle 22, so as to drive the adjusting screw 20 By rotating, the two mounting blocks 21 can be driven to slide relative or opposite to each other on the adjusting screw 20 , so that the distance between the two clamping rollers 27 can be changed. After the distance between the two pinch rollers 27 is adjusted, the worker twists the positioning bolts 18 to make the heads of the positioning bolts 18 abut against the mounting plate 16 , so that the mounting seat 8 can be fixed on the mounting plate 16 . By pressing the positioning bolts 18 against the mounting plate 16, when the first fixing plate 81 generates a force along the axial direction of the adjusting screw 20, the acting force of the mounting block 21 on the adjusting screw 20 is reduced, so that the adjusting screw The service life of the lever 20 is extended.

When it is necessary to separate the fixing block 91 from the mounting block 21 , the worker firstly turns the positioning bolt 18 to disengage the positioning bolt 18 from the mounting plate 16 , and then the worker overcomes the force of the return spring 26 and moves toward the position away from the mounting block 21 . By pulling the fixing rod 92 in the direction, the fixing rod 92 can be disengaged from the fixing hole 23 , so that the first fixing plate 81 can be disengaged from the mounting block 21 .

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (9)

1. A round bottle rotating mechanism of a round bottle labeling machine, comprising a frame (1), one side of the frame (1) is provided with a cylinder (15), and a piston rod of the cylinder (15) is provided with There is a pair of parallel and vertical nip rollers (27), and a drive bottle (3) is provided on the frame (1) on the side of the nip roller (27) away from the air cylinder (15) to rotate The driving assembly (7) is characterized in that: the cylinder (15) is connected with the two clamping rollers (27) through a mounting plate (16), and two mounting seats (27) are slidably arranged on the mounting plate (16). 8), the two clamping rollers (27) are respectively rotatably arranged on the two mounting seats (8); the two mounting seats (8) slide in the directions of approaching and moving away from each other, and the mounting plate (16) A positioning member for releasing and fixing the mounting seat (8) is provided on it. 2. The round bottle rotation mechanism of a round bottle labeling machine according to claim 1, wherein the mounting plate (16) is provided with a waist-shaped hole (19) along the horizontal direction, and the positioning member It comprises a positioning bolt (18) threadedly connected to the mounting seat (8); the stem of the positioning bolt (18) passes through the waist-shaped hole (19), and the head is connected to the mounting plate (16) The side walls close to the cylinder (15) are pressed against each other. 3. The round bottle rotating mechanism of a round bottle labeling machine according to claim 2, characterized in that: an adjusting screw (20) is rotatably provided on the mounting plate (16), and the adjusting screw ( 20) The surface is symmetrically provided with left-handed threads and right-handed threads from the center to both sides, two mounting blocks (8) are provided with mounting blocks (21), and the two mounting blocks (21) are respectively threadedly connected to the The left and right screw threads on both sides of the adjusting screw (20) are provided; the axial direction of the adjusting screw (20) is consistent with the sliding direction of the mounting seat (8). 4. The round bottle rotating mechanism of a round bottle labeling machine according to claim 3, characterized in that: the mounting block (21) is detachably connected to the mounting plate (16), and the mounting seat ( 8) A fixing piece (9) for fixing the mounting block (21) on the mounting seat (8) is provided. 5. The round bottle rotation mechanism of a round bottle labeling machine according to claim 4, wherein the fixing member (9) comprises a fixing block (91) fixedly arranged on the mounting seat (8) ) and a fixing rod (92) slidably arranged on the fixing block (91), and the fixing block (21) is provided with a fixing hole (23) for the fixing rod (92) to be inserted into; the An elastic member is provided on the fixing block (91) to prevent the fixing rod (92) from being detached from the fixing hole (23). 6. The round bottle rotating mechanism of a round bottle labeling machine according to claim 5, characterized in that: a reset cavity (24) is opened in the fixing block (91), and the fixing rod (92) penetrates through The fixing block (91) passes through the reset cavity (24), the fixing rod (92) is fixedly provided with a pressing piece (25), and the pressing piece (25) is slidably arranged on the inside the reset cavity (24); the elastic member is a reset spring (26), and the reset spring (26) is sleeved on the fixing rod (92); one end of the reset spring (26) is in contact with the The tightening piece (25) is pressed against the side wall away from the fixing hole (23), and the other end is pressed against the inner cavity wall of the reset cavity (24) away from the fixing hole (23). The return spring (26) ) is always in a compressed state, and the fixing rod (92) is inserted into the fixing rod (92) when the pressing piece (25) is abutting against the inner cavity wall of the reset cavity (24) close to the fixing hole (23). inside the fixing hole (23). 7 . The round bottle rotating mechanism of a round bottle labeling machine according to claim 3 , wherein a star-shaped handle ( 22 ) is fixedly provided at one end of the adjusting screw ( 20 ). 8 . 8. The round bottle rotating mechanism of a round bottle labeling machine according to claim 2, wherein the mounting seat (8) is provided with an oblong hole ( 28), a buffer tube (29) is slidably arranged in the oblong hole (28), a rotating shaft (30) is rotatably connected in the buffer tube (29), and the clamping roller (27) is fixedly arranged on the rotating shaft (30); a buffer spring (33) is arranged between the rotating shaft (30) and the inner wall of the oblong hole (28) close to the mounting plate (16). 9. The round bottle rotating mechanism of a round bottle labeling machine according to claim 8, wherein the buffer tube (29) is fixedly provided with a first guide rod (31), and the oblong hole ( 28) A second guide rod (32) is provided on the inner wall close to the mounting plate (16); one end of the buffer spring (33) away from the mounting plate (16) is sleeved on the first guide rod ( 31), the other end is sleeved on the second guide rod (32).

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