CN211847084U - Novel bottle cap reverse rotation device - Google Patents

Abstract

The utility model relates to a novel bottle lid derotation device, including parallel arrangement in two tight belts of clamp of conveyor top, arrange the multiunit corotation device and the derotation device of tight belt top of clamp in, form the bottle passageway between two tight belts of clamp, each group's corotation device all includes 2 but syntropy pivoted spiral cover wheels, the derotation device includes 2 can syntropy pivoted spiral cover wheels, two bisymmetry settings of spiral cover wheel are in order to form the lid passageway in the both sides of crossing bottle passageway top, the direction of rotation of the spiral cover wheel of derotation device is opposite with the direction of rotation of the spiral cover wheel of the corotation device, the revolving force that the spiral cover wheel of derotation device provided is less than the bottle lid and screws out required dynamics once more after screwing.

Description

Novel bottle cap reverse rotation device

Technical Field

The utility model relates to a packaging is auxiliary assembly technical field for the trade, especially a novel bottle lid derotation device.

Background

The cap screwing equipment is important equipment in the production and packaging of bottled products, and performs cap screwing action on bottles in production. The condition that the cap is loosened can appear to certain probability after traditional equipment carries out the spiral cover operation, and current detection mechanism can't accomplish the not hard up detection of very slight bottle lid.

The effect that follow-up aluminium foil was sealed can direct influence to the degree of screwing of bottle lid, if not hard up condition appears in the bottle lid, the aluminium foil in the bottle lid can't inseparable with the bottleneck laminating, when leading to follow-up electromagnetic induction heating aluminium foil piece to seal the operation, the sealed not firm condition of bottleneck can appear, above-mentioned bottle lid is only failed to screw, but the bottle lid position has target in place basically, consequently, the bottle lid height that does not screw differs less with the bottle lid height of screwing, current bottle lid check out test set that utilizes the bottle lid height to monitor can't detect out it and does not screw, this problem can't be avoided. The problem of poor sealing of most food and medicine in the production link can directly influence the quality of products.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a novel bottle lid derotation device that simple structure, degree of automation are high.

In order to solve the technical problem, the novel bottle cap reverse rotation device provided by the utility model comprises two clamping belts arranged above a conveying belt in parallel, a plurality of groups of forward rotation devices and reverse rotation devices which are arranged above the clamping belts, a bottle passage is formed between the two clamping belts, each group of forward rotation devices comprises 2 rotating cap wheels which can rotate in the same direction, the reverse rotation device comprises 2 rotating cap wheels which can rotate in the same direction, the two rotating cap wheels are symmetrically arranged on two sides above the bottle passage in pairs to form a cap passage, the rotating direction of the cap wheel of the reverse rotation device is opposite to that of the cap wheel of the forward rotation device, the rotating force provided by the cap wheel of the reverse rotation device is smaller than the force required by unscrewing the bottle cap again after screwing, when in use, the bottle covered with the bottle cap is conveyed to the bottle passage by the conveying belt, the bottle cap at the top of the bottle cap enters the cap passage, the cap is driven by the rotating cap wheel which rotates in the same direction of the forward rotation device to screw the bottle opening, when the bottle body moves through the reverse rotation device, the cap screwing wheel of the reverse rotation device is used for reversely unscrewing, and because the rotating force provided by the cap screwing wheel of the reverse rotation device is smaller than the force required by unscrewing the bottle cap again after screwing, the screwed bottle cap still keeps the screwing state, and the bottle cap which is not screwed is unscrewed under the action of the reverse rotation device, so that the bottle cap is convenient to distinguish subsequently.

Further, novel bottle lid derotation device is still including being used for detecting the bottle lid check out test set that the bottle lid was located, bottle lid check out test set arranges in the rear side of derotation device to make the bottle detect the height that the bottle lid was located by bottle lid check out test set when the bottle lid process bottle lid check out test set, the bottle lid height of not screwing is improved under the effect of derotation device, is detected by bottle lid check out test set.

Further, but the device is rotated in positive rotation, the contra-rotation device still includes the regulation seat, but adjust the seat including relative movement's left side regulation seat and right side regulation seat, the left side is adjusted seat, right side and is adjusted the seat and arrange the both sides of crossing bottle passageway top in, adjust on the seat, the right side of adjusting on a left side respectively set up with spiral cover wheel transmission complex driving motor, so that driving motor can drive the rotation of spiral cover wheel.

Further, adjust the seat and still include adjusting screw, the fixed setting on the seat of adjusting on a left side with adjusting screw thread fit's positive rotation bolt, the fixed setting on the seat of adjusting on the right side with adjusting screw thread fit's negative rotation bolt, so that adjusting screw drives the seat of adjusting on a left side and the seat of adjusting on the right side when rotating and is close to or keeps away from each other to adjust the interval between the cover wheel to revolving through removing seat of adjusting on a left side or adjusting the seat on the right side.

Further, novel bottle lid derotation device still includes the motor, the both ends of pressing from both sides tight belt are cup jointed respectively on the synchronizing wheel, motor and synchronizing wheel transmission cooperation, so that the motor can drive to press from both sides tight belt and rotate around the synchronizing wheel.

Furthermore, novel bottle lid derotation device still includes first adjustment cylinder, second adjustment cylinder, first adjustment cylinder and the synchronizing wheel transmission cooperation of one of them tight belt front end of clamp, the synchronizing wheel transmission cooperation of second adjustment cylinder and this tight belt rear end of clamp to make first adjustment cylinder, second adjustment cylinder can drive and control about the synchronizing wheel of this tight belt of clamp, be used for adjusting the interval between this tight belt of clamp and another tight belt of clamp, with the bottle of adaptation different dimensions.

Furthermore, novel bottle lid derotation device still includes first belt adjusting screw, second belt adjusting screw, set up on two synchronizing wheels of the tight belt front end respectively with first belt adjusting screw thread fit's positive adjusting bolt and derotation adjusting bolt, set up respectively on two synchronizing wheels of the tight belt tail end with second belt adjusting screw thread fit's positive adjusting bolt and derotation adjusting bolt, so that first belt adjusting screw, the synchronizing wheel that can drive same end when second belt adjusting screw rotates can be close to each other or keep away from, in order to adjust the interval between two tight belts of clamp, adapt to the bottle of different size specifications.

Further, the circumferential surface of the cap screwing wheel is provided with a friction groove so as to increase the friction between the cap screwing wheel and the bottle cap.

Furthermore, the cover rotating wheel of the reverse rotation device is a sun wheel, and a plurality of spiral hollow grooves are formed in the sun wheel to reduce the strength of the sun wheel.

Further, the positive rotation devices are 3 groups and are respectively a first positive rotation device, a second positive rotation device and a third positive rotation device which are sequentially arranged, and the bottle body covered with the bottle cap sequentially passes through the first positive rotation device, the second positive rotation device and the third positive rotation device to perform three times of positive rotation so as to screw the bottle cap.

Furthermore, driving motor liftable sets up on adjusting the seat to drive the wheel of revolving the lid and go up and down when making driving motor go up and down, realize revolving the regulation of lid wheel height, revolve to twist with the bottle lid that adapts to different sizes.

Further, novel bottle lid derotation device still includes the liftable and sets up in the derotation installing support of conveyer belt top, the top of adjusting the seat links to each other with the middle part of derotation installing support is fixed, first adjust cylinder, second adjust cylinder are fixed to be set up at the front and back both ends of derotation installing support to can drive when making the derotation installing support go up and down and press from both sides tight belt, forward rotation device, derotation device and go up and down, be used for adjusting the height of spiral cover wheel, in order to adapt to the spiral cover demand of not unidimensional bottle.

The technical effects of the utility model are that: (1) compared with the prior art, the novel bottle cap reverse rotation device has the advantages that the group of reverse rotation devices are arranged on the rear side of the forward rotation device, the rotation force of the reverse rotation devices is set to be smaller than the force required by unscrewing the bottle cap after screwing, so that the bottle cap cannot be unscrewed after screwing, and the bottle cap can be unscrewed by reverse rotation for the bottle cap without screwing, so that the height of the bottle cap is obviously different from the height of the screwed bottle cap, and the novel bottle cap reverse rotation device is combined with subsequent bottle cap detection equipment, so that the bottle body without screwing the bottle cap can be picked out in time; (2) the cap screwing wheel is driven by a driving motor, and the rotation direction can be adjusted to adapt to the bottle caps in different screwing directions; (3) the adjusting seat is provided with a left adjusting seat and a right adjusting seat which can move relatively, and the distance between the cap screwing wheels in the same group can be adjusted to adapt to screwing of bottle caps with different sizes; (4) the arrangement of the adjusting cylinder can conveniently adjust the distance between the clamping belts so as to adapt to the bottle bodies with different sizes; (5) the driving motor can be arranged in a lifting way or the reverse-rotation mounting bracket can be arranged in a lifting way, so that the height of the rotary cover wheel can be adjusted to adapt to bottles with different sizes.

Drawings

The invention will be described in further detail with reference to the accompanying drawings:

fig. 1 is a schematic structural view of the novel bottle cap derotation device of the present invention;

fig. 2 is a schematic diagram of the distribution structure of the clockwise rotation cover wheel and the anticlockwise rotation cover wheel of the present invention.

In the figure: the bottle cap detection device comprises a reverse rotation mounting bracket 50, a bottle cap 501, a bottle cap detection device 502, a first forward rotation device 51, a first cap rotation wheel 511, a second cap rotation wheel 512, a first adjusting seat 513, a second forward rotation device 52, a third cap rotation wheel 521, a fourth cap rotation wheel 522, a second adjusting seat 523, a third forward rotation device 53, a fifth cap rotation wheel 531, a sixth cap rotation wheel 532, a third adjusting seat 533, a reverse rotation device 54, a seventh cap rotation wheel 541, an eighth cap rotation wheel 542, a reverse rotation adjusting seat 543, an adjusting screw 544, a clamping belt 55, a motor 56, a first adjusting cylinder 57, a second adjusting cylinder 58 and a synchronizing wheel 59.

Detailed Description

Embodiment 1 as shown in fig. 1 to 2, the novel bottle cap derotation device of this embodiment includes a derotation mounting bracket 50, two clamping belts 55 disposed in parallel above a conveying belt (not shown in the figure), a first derotation device 51, a second derotation device 52, a third derotation device 53 and a derotation device 54 disposed above the clamping belts 55, a bottle passing channel formed between the two clamping belts 55, two ends of the two clamping belts 55 respectively sleeved on a synchronizing wheel 59, and a motor 56 in transmission fit with the synchronizing wheel 59 through a reduction gear and a belt, so that the motor 56 can drive the clamping belts 55 to rotate around the synchronizing wheel 59, and a bottle passing channel capable of clamping a bottle is formed above the conveying belt.

For adjusting the distance between two clamping belts 55, the novel bottle cap reverse rotation device further comprises a first adjusting cylinder 57 and a second adjusting cylinder 58, the first adjusting cylinder 57 is in transmission fit with a synchronizing wheel at the rear end of one of the clamping belts 55, the second adjusting cylinder 58 is in transmission fit with the synchronizing wheel at the front end of the clamping belt 55, so that the first adjusting cylinder 57 and the second adjusting cylinder 58 can drive the synchronizing wheel 56 of the clamping belt 55 to move left and right, and the novel bottle cap reverse rotation device is used for adjusting the distance between the clamping belt and the other clamping belt to adapt to bottles with different sizes.

The middle part of the back-rotation mounting bracket 50 is sequentially provided with 4 adjusting seats, namely a first adjusting seat 513, a second adjusting seat 523, a third adjusting seat 533 and a fourth adjusting seat 543 which are respectively used for mounting a first back-rotation device 51, a second back-rotation device 52, a third back-rotation device 53 and a back-rotation device 54, the first adjusting seat 513, the second adjusting seat 523, the third adjusting seat 533 and the fourth adjusting seat 543 have the same structure and respectively comprise a left adjusting seat and a right adjusting seat which can move relatively, the left adjusting seat and the right adjusting seat are respectively arranged at two sides above the bottle passage, the first back-rotation device 51 further comprises a first cover-rotation wheel 511 and a second cover-rotation wheel 512 which are rotatably arranged, the second back-rotation device 52 comprises a third cover-rotation wheel 521 and a fourth cover-rotation wheel 522 which are rotatably arranged, the third back-rotation device 53 comprises a fifth cover-rotation wheel 531 and a sixth cover-rotation wheel 532 which are rotatably arranged, and the back-rotation device 54 comprises a seventh cover-rotation wheel which is rotatably arranged, An eighth cover rotating wheel 542, wherein the left adjusting seat and the right adjusting seat of the first adjusting seat 513, the second adjusting seat 523, the third adjusting seat 533 and the fourth adjusting seat 543 are respectively provided with a driving motor, the first cover rotating wheel 511 is arranged on the left adjusting seat of the first adjusting seat 513 and is in transmission fit with the driving motor, the second cover rotating wheel 512 is arranged on the right adjusting seat of the first adjusting seat 513 and is in transmission fit with the driving motor, the third cover rotating wheel 521 is arranged on the left adjusting seat of the second adjusting seat 523 and is in transmission fit with the driving motor, the fourth cover rotating wheel 522 is arranged on the right adjusting seat of the second adjusting seat 523 and is in transmission fit with the driving motor, the fifth cover rotating wheel 531 is arranged on the left adjusting seat of the third adjusting seat 533 and is in transmission fit with the driving motor, the sixth cover rotating wheel 532 is arranged on the right adjusting seat of the third adjusting seat 533 and is in transmission fit with the driving motor, the seventh cover rotating wheel 541 is arranged on the left adjusting seat of the fourth adjusting seat 543 and is in transmission fit with the driving motor, eighth spiral cover wheel 542 sets up on the right side of fourth regulation seat 543 adjusts the seat and with driving motor transmission cooperation to make two bisymmetry settings of spiral cover wheel in order to form the lid passageway of crossing the both sides of bottle passageway top, and driving motor can drive each and revolve the lid wheel and rotate, can adjust the interval between the lid wheel soon through removing left side regulation seat, or the right side regulation seat realization, with the bottle lid that adapts to not unidimensional. The first cap screwing wheel 511, the second cap screwing wheel 512, the third cap screwing wheel 521, the fourth cap screwing wheel 522 and the fifth cap screwing wheel 531, the sixth cap screwing wheel 532, the seventh cap screwing wheel 541 and the eighth cap screwing wheel 542 are plastic wheels, the materials are soft, the bottle caps are prevented from being damaged, friction grooves are formed in the circumferential surfaces of the first cap screwing wheel 511, the second cap screwing wheel 512, the third cap screwing wheel 521, the fourth cap screwing wheel 522 and the fifth cap screwing wheel 531, and the circumferential surfaces of the sixth cap screwing wheel 532, the seventh cap screwing wheel 541 and the eighth cap screwing wheel 542, so that friction between each cap screwing wheel and the bottle caps 501 is increased; and the seventh cover rotating wheel 541 and the eighth cover rotating wheel 542 of the derotation device are sun wheels, and the surfaces thereof are provided with a plurality of spiral hollow grooves so as to reduce the strength of the sun wheels and reduce the force during derotation.

The seventh cap rotating wheel 541 of the derotation device 54 rotates in the opposite direction to the first cap rotating wheel 511, the third cap rotating wheel 521 and the fifth cap rotating wheel 531, and the eighth cap rotating wheel 542 of the derotation device 54 rotates in the opposite direction to the second cap rotating wheel 512, the fourth cap rotating wheel 522 and the sixth cap rotating wheel 532, so that the derotation device 54 rotates in the opposite direction to the first rotation device 51, the second rotation device 52 and the third rotation device 53; and the rotating force provided by the seventh cap screwing wheel 541 and the eighth cap screwing wheel 542 of the reverse rotation device 54 is smaller than the force required by unscrewing the bottle cap 501 again after screwing, when in use, the distance between the first cap screwing wheel 511 and the second cap screwing wheel 512, the distance between the third cap screwing wheel 521 and the fourth cap screwing wheel 522, the distance between the fifth cap screwing wheel 531 and the sixth cap screwing wheel 532, and the distance between the seventh cap screwing wheel 541 and the eighth cap screwing wheel 542 are adjusted to be the same as the diameter of the bottle cap 501 to be screwed, the bottle body covered with the bottle cap 501 is conveyed to the bottle passing channel by the conveying belt, the bottle cap 501 arranged at the top end of the bottle body enters the cap passing channel, the first cap screwing wheel 511 and the second cap screwing wheel 512 rotating in the same direction by the first forward rotation device 51 are in friction contact with the bottle cap 501 to drive the bottle cap 501 to rotate so as to screw the bottle cap 501 for the first time, the bottle body is conveyed to the forward rotation device 52, and the third cap screwing wheel 521 and the second forward rotation device 52 rotate in the same direction, The fourth cap rotating wheel 522 is in frictional contact with the bottle cap 501 to drive the bottle cap 501 to rotate so that the bottle cap 501 is screwed for the second time, the bottle body is continuously conveyed forwards to the third forward rotating device 53, the fifth cap rotating wheel 531 and the sixth cap rotating wheel 532 which rotate in the same direction by the third forward rotating device 53 are in frictional contact with the bottle cap 501 to drive the bottle cap 501 to rotate so that the bottle cap 501 is screwed for three times, most of the bottle cap can be screwed for three times, the bottle body is continuously conveyed forwards to the reverse rotating device 54, the seventh cap rotating wheel 541 and the eighth cap rotating wheel 542 of the reverse rotating device 54 are in frictional contact with the bottle cap 502 to be unscrewed in the reverse direction, the rotating force provided by the seventh cap rotating wheel 541 and the eighth cap rotating wheel 542 of the reverse rotating device 54 is smaller than the force required by unscrewing the bottle cap 501 again, so that the screwed bottle cap 501 is still kept in a screwed state even if being screwed by the reverse rotating device 54, the bottle cap 501 is screwed through the first forward rotating, The bottle caps 501 which are not screwed by the second forward-rotation device 52 and the third forward-rotation device 53 are unscrewed by the reverse-rotation device 54, and the bottle caps are obviously protruded in height, so that the bottle caps are convenient to distinguish subsequently.

The novel bottle cap reverse rotation device further comprises bottle cap detection equipment 502 used for detecting the height of the bottle cap 501, the bottle cap detection equipment 502 is arranged on the rear side of the reverse rotation device 54, so that the bottle cap 501 is detected by the bottle cap detection equipment 502 when the bottle body passes through the bottle cap detection equipment 502, the height of the bottle cap 501 which is not screwed is increased under the action of the reverse rotation device 54, and the bottle cap 501 can be easily detected by the bottle cap detection equipment 502. Novel bottle lid derotation device can carry out the derotation with the pine lid that detection mechanism can't discern, and the bottle lid after the derotation directly turns into the high lid type that detection mechanism can discern, and the pine that produces when novel derotation device can effectively prevent the spiral cover covers and the follow-up link of product inflow, the assurance of very big degree production quality.

In order to adjust the height of each capping wheel to adapt to bottles of different specifications, the anti-rotation mounting bracket 50 is arranged in a lifting manner, lifting cylinders (not shown) are arranged at two ends of the anti-rotation mounting bracket 50, and the anti-rotation mounting bracket 50 is driven by the lifting cylinders to lift above the conveying belt to drive the clamping belt 55, the first forward rotation device 51, the second forward rotation device 52, the third forward rotation device 53 and the anti-rotation device 54 to lift integrally, so that the purpose of adjusting the height of the capping wheels is achieved.

In another embodiment, the anti-rotation mounting bracket 50 is designed to be fixed, each driving motor is arranged to be capable of lifting, for example, a cylinder is arranged on each adjusting seat, and each driving motor is in transmission fit with the cylinder, so that the cylinder can drive the driving motor to lift, and further drive the capping wheel to lift, and the purpose of adjusting the height of the capping wheel is also achieved.

Example 2

On the basis of embodiment 1, the novel bottle cap derotation device of the embodiment has the following modifications: in order to adjust the distance between the left adjusting seat and the right adjusting seat of each of the first adjusting seat 513, the second adjusting seat 523, the third adjusting seat 533 and the fourth adjusting seat 543, each adjusting seat further comprises an adjusting screw 544, a forward bolt in threaded fit with the adjusting screw 544 is fixedly arranged on each left adjusting seat, and a reverse bolt in threaded fit with the adjusting screw 544 is fixedly arranged on each right adjusting seat, because the forward bolt on the left adjusting seat and the reverse bolt on the right adjusting seat have opposite spiral directions, the adjusting screw 544 drives the left adjusting seat and the right adjusting seat to approach or separate from each other when rotating, that is, the distance between the capping wheels can be adjusted by moving the left adjusting seat or the right adjusting seat to adapt to bottle caps with different sizes.

Example 3

On the basis of embodiment 1, the novel bottle cap derotation device of the embodiment has the following modifications: the first adjusting cylinder 57 and the second adjusting cylinder 58 are replaced by a first belt adjusting screw and a second belt adjusting screw, a forward adjusting bolt and a backward adjusting bolt which are in threaded fit with the first belt adjusting screw are respectively arranged on two synchronizing wheels on two sides of the front end of the clamping belt 55, and a forward adjusting bolt and a backward adjusting bolt which are in threaded fit with the second belt adjusting screw are respectively arranged on two synchronizing wheels on two sides of the tail end of the clamping belt 55, so that the synchronizing wheels on the same end can be driven to be close to or far away from each other when the first belt adjusting screw and the second belt adjusting screw rotate, the distance between the two clamping belts can be adjusted, and bottles with different sizes and specifications can be adapted.

It should be understood that the above examples are only for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And that obvious changes and modifications may be made without departing from the spirit of the invention.

Claims (10)

1. The utility model provides a novel bottle lid derotation device, its characterized in that, including parallel arrangement in two tight belts of clamp of conveyor belt top, arrange multiunit positive rotation device and the derotation device of tight belt top in, form the bottle passageway between two tight belts of clamp, but every group positive rotation device all includes 2 syntropy pivoted spiral cover wheels, and the derotation device includes 2 syntropy pivoted spiral cover wheels, two bisymmetry settings of spiral cover wheel are in order to form the lid passageway of crossing the both sides of bottle passageway top, and the direction of rotation of the spiral cover wheel of derotation device is opposite with the direction of rotation of the spiral cover wheel of positive rotation device, the revolving force that the spiral cover wheel of derotation device provided is less than the required dynamics of unscrewing once more after the bottle lid is screwed.

2. The novel bottle cap reverse rotation device according to claim 1, wherein the forward rotation device and the reverse rotation device further comprise an adjusting seat, the adjusting seat comprises a left adjusting seat and a right adjusting seat which can move relatively, the left adjusting seat and the right adjusting seat are arranged on two sides above the bottle passage, and driving motors in transmission fit with the cap screwing wheels are respectively arranged on the left adjusting seat and the right adjusting seat, so that the driving motors can drive the cap screwing wheels to rotate.

3. The novel bottle cap derotation device according to claim 2, wherein the adjusting seat further comprises an adjusting screw, a forward rotation bolt in threaded fit with the adjusting screw is fixedly arranged on the left adjusting seat, and a derotation bolt in threaded fit with the adjusting screw is fixedly arranged on the right adjusting seat, so that the adjusting screw drives the left adjusting seat and the right adjusting seat to approach or separate from each other when rotating.

4. The novel bottle cap derotation device as claimed in claim 3 further comprising a motor, wherein both ends of the clamping belt are respectively sleeved on the synchronizing wheel, and the motor is in transmission fit with the synchronizing wheel so that the motor can drive the clamping belt to rotate around the synchronizing wheel.

5. The novel bottle cap derotation device according to claim 4, further comprising a first adjusting cylinder and a second adjusting cylinder, wherein the first adjusting cylinder is in transmission fit with a synchronizing wheel at the front end of one of the clamping belts, and the second adjusting cylinder is in transmission fit with a synchronizing wheel at the rear end of the clamping belt, so that the first adjusting cylinder and the second adjusting cylinder can drive the synchronizing wheel of the clamping belt to move left and right.

6. The novel bottle cap derotation device according to claim 4, further comprising a first belt adjusting screw and a second belt adjusting screw, wherein a forward rotating adjusting bolt and a backward rotating adjusting bolt which are in threaded fit with the first belt adjusting screw are respectively arranged on two synchronizing wheels at the front end of the clamping belt, and a forward rotating adjusting bolt and a backward rotating adjusting bolt which are in threaded fit with the second belt adjusting screw are respectively arranged on two synchronizing wheels at the tail end of the clamping belt, so that the synchronizing wheels at the same end can be driven to be close to or far away from each other when the first belt adjusting screw and the second belt adjusting screw rotate, thereby adjusting the distance between the two clamping belts.

7. Novel bottle cap derotation device according to claim 5 or 6 characterized in that the circumferential surface of the cap wheel is provided with friction grooves.

8. The novel bottle cap derotation device according to claim 7 is characterized in that the cap wheel of the derotation device is a sun wheel, and a plurality of spiral hollowed-out grooves are arranged on the sun wheel.

9. The novel bottle cap derotation device as claimed in claim 8 wherein the drive motor is elevatably disposed on the adjustment base to drive the cap rotating wheel to ascend and descend when the drive motor ascends and descends.

10. The novel bottle cap derotation device according to claim 8, further comprising a derotation mounting bracket arranged above the conveying belt in a liftable manner, wherein the top end of the adjusting seat is fixedly connected with the middle part of the derotation mounting bracket, and the first adjusting cylinder and the second adjusting cylinder are fixedly arranged at the front end and the rear end of the derotation mounting bracket, so that the lifting of the derotation mounting bracket can drive the clamping belt, the forward rotation device and the derotation device.

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