A tape roll mounting jig

Abstract

The application discloses a kind of adhesive tape roll mounting clamps, including rotating mechanism, telescopic mechanism and tensioning mechanism.Rotating mechanism includes fixed sleeve, and rotating sleeve is rotationally cooperated with fixed sleeve inner cavity;Telescopic mechanism includes sliding sleeve, sliding sleeve includes plunger portion, and plunger portion is slidably cooperated with rotating sleeve inner cavity, and plunger portion is used to extend the column stem portion outside rotating sleeve, rotating sleeve is equipped with the first passage that is connected with the first annular groove and the retraction pressure chamber, and the second passage that is connected with the second annular groove and the extension pressure chamber, and the end of column stem portion that extends rotating sleeve is used to package adhesive tape roll;Tensioning mechanism includes tensioning block arranged in guide groove, and sliding shaft core is arranged in sliding sleeve inner cavity and is used to drive tensioning block to move along guide groove, when sliding sleeve is in the extended state, third passage is connected with third annular groove and loosening pressure chamber, and fourth passage is connected with fourth annular groove and tensioning pressure chamber.Therefore, the present application can conveniently install and disassemble adhesive tape roll, reduce downtime, and improve production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of adhesive tape packaging, in particular to an adhesive tape roll mounting clamp. BACKGROUND

[0002] After product manufacturing is completed, the product is transported to various places for sale. In order to protect the integrity of the product during transportation and reduce wear and tear, the product needs to be packaged and protected. Adhesive tape rolls are needed for packaging. When in use, the adhesive tape roll needs to be fixed on an automatic adhesive tape winding mechanism. The adhesive tape roll is wound and fixed on the outer packaging of the product under the traction of the automatic winding mechanism. When the adhesive tape on the adhesive tape roll is used up, the adhesive tape roll needs to be replaced. The existing automatic winding mechanism has a complex fixing mode for the adhesive tape roll, is inconvenient to disassemble and assemble, and takes a long time to replace the adhesive tape roll, which seriously affects the production efficiency. SUMMARY

[0003] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides an adhesive tape roll mounting clamp which can conveniently install and disassemble the adhesive tape roll, reduce downtime, and improve production efficiency.

[0004] The technical scheme adopted by the present application to solve its technical problems is:

[0005] An adhesive tape roll mounting clamp comprises

[0006] A rotating mechanism comprising a fixed sleeve and a rotating sleeve in rotational cooperation with the inner cavity of the fixed sleeve;

[0007] A telescopic mechanism comprising a sliding sleeve, the sliding sleeve comprising a plunger portion in sliding cooperation with the inner cavity of the rotating sleeve and a columnar rod portion for extending outside the rotating sleeve, the plunger portion dividing the inner cavity of the rotating sleeve into a retracted pressure chamber on one side of the columnar rod portion and an extended pressure chamber away from the other side of the columnar rod portion, the fixed sleeve being provided with a first air inlet and a second air inlet, the inner wall of the fixed sleeve being provided with a first ring groove and a second ring groove in communication with the first air inlet and the second air inlet respectively, the rotating sleeve being provided with a first channel in communication with the first ring groove and the retracted pressure chamber and a second channel connecting the second ring groove and the extended pressure chamber, one end of the columnar rod portion extending outside the rotating sleeve being used for sleeving the adhesive tape roll, and the end portion of the columnar rod portion being provided with a plurality of guide grooves in communication with the inner cavity of the sliding sleeve;

[0008] The tightening mechanism comprises a tightening block arranged in the guide groove, a sliding shaft core arranged in the sliding sleeve inner cavity for driving the tightening block to move along the guide groove, the tightening block is provided with an inclined surface near one side of the sliding sleeve inner cavity, the inclined surface is provided with a protrusion on both sides, the end of the sliding shaft core is provided with a plurality of inclined sliding grooves which are matched with the inclined surface and the protrusion, the outer side of the sliding shaft core is provided with a piston sheet which is slidably matched with the sliding sleeve inner cavity, the piston sheet divides the sliding sleeve inner cavity into a loosening pressure chamber for pushing the sliding shaft core to move to one side to drive the tightening block to retract into the guide groove, a tightening pressure chamber for pushing the sliding shaft core to move to the other side to drive the tightening block to extend out of the guide groove, and a mounting cavity for arranging the guide groove, the fixed sleeve is provided with a third air inlet and a fourth air inlet, the inner wall of the fixed sleeve is provided with a third ring groove and a fourth ring groove which are respectively communicated with the third air inlet and the fourth air inlet, the rotating sleeve and the sliding sleeve are provided with a third channel and a fourth channel, when the sliding sleeve is in the extended state, the third channel is communicated with the third ring groove and the loosening pressure chamber, and the fourth channel is communicated with the fourth ring groove and the tightening pressure chamber.

[0009] According to the tape roll mounting clamp, when the tape roll is mounted, the second air inlet is ventilated into the extended pressure chamber through the second ring groove and the second channel, the extended pressure chamber is pushed to move the sliding sleeve to one side of the columnar rod part, the columnar rod part extends out of the rotating sleeve, then the fourth air inlet is ventilated into the tightening pressure chamber through the fourth ring groove and the fourth channel, the tightening pressure chamber is pushed to move the sliding shaft core to the other side to drive the tightening block to extend out of the guide groove, and the tape roll is tightened, when the tape roll is packaged, the sliding sleeve and the rotating sleeve can be rotated relative to the fixed sleeve under the action of external force; when the tape on the tape roll is used up, the rotation is stopped, at this time, the fourth air inlet is not ventilated, the third air inlet is ventilated into the loosening pressure chamber through the third ring groove and the third channel, the loosening pressure chamber is pushed to move the sliding shaft core to one side to drive the tightening block to retract into the guide groove, so that the tape roll is in a loosened state, then the second air inlet is not ventilated, the first air inlet is ventilated into the retraction pressure chamber through the first ring groove and the first channel, the retraction pressure chamber is pushed to move the sliding sleeve to one side of the columnar rod part to move to one side of the plunger part, the columnar rod part retracts into the rotating sleeve, so that the tape roll is dropped from the columnar rod part, and the tape roll is automatically disassembled, and then the above steps are repeated. Therefore, the tape roll can be conveniently mounted and disassembled, the downtime is reduced, and the production efficiency is improved.

[0010] According to some embodiments of the present application, the inclined surface is inwardly inclined, the inclined sliding groove is outwardly inclined, the loosening pressure chamber is arranged near one side of the mounting cavity, and the tightening pressure chamber is arranged away from one side of the mounting cavity.

[0011] Beneficially, the arrangement facilitates the cooperation of the inclined chute with the tensioning block, and facilitates the loosening and tensioning of the pressure chamber.

[0012] According to some embodiments of the present application, the inner cavity of the rotating sleeve is provided with an annular protrusion on one side close to the columnar rod part, the annular protrusion and the plunger part form the retracted pressure chamber.

[0013] Beneficially, the annular protrusion facilitates the sealing of the retracted pressure chamber.

[0014] According to some embodiments of the present application, the inner cavity of the rotating sleeve is provided with an annular step lower than the annular protrusion on one side close to the annular protrusion, the side surface of the annular step is used to abut against the side surface of the plunger part to serve as a positioning function, and the first air inlet is arranged on the annular step and communicates with the first annular groove.

[0015] Beneficially, the side surface of the annular step abuts against the side surface of the plunger part to serve as a positioning function to prevent the columnar rod part from being excessively extended, and the first air inlet is arranged on the annular step and communicates with the first annular groove, which can ensure that the retracted pressure chamber has sufficient space to maintain continuous communication with the first channel.

[0016] According to some embodiments of the present application, the rotating sleeve comprises a sleeve pipe and a rear cover, the rear cover is arranged at one end of the sleeve pipe away from the columnar rod part, and the rear cover and the plunger part form the extended pressure chamber.

[0017] Beneficially, the sleeve pipe and the rear cover are arranged in a split manner, which facilitates the machining of the channel and the subsequent communication of the third channel with the loosening pressure chamber through the rear cover.

[0018] According to some embodiments of the present application, the sliding shaft core is provided with an inner flow channel, the inner flow channel is provided with a side flow channel communicating with the loosening pressure chamber, the rear cover is provided with an air tube slidingly sleeved with the inner flow channel in the middle part, and the air tube communicates the inner flow channel and the third channel.

[0019] Beneficially, when the columnar rod part of the sliding sleeve is retracted, the third air inlet can still maintain communication with the loosening pressure chamber through the third channel, the air tube, the inner flow channel and the side flow channel, which ensures that the tensioning block is always received in the guide groove during the retraction process, and interference is avoided.

[0020] According to some embodiments of the present application, both sides of the first annular groove, the second annular groove, the third annular groove and the fourth annular groove are provided with sealing rings.

[0021] Beneficially, the sealing rings serve a good sealing function to prevent gas leakage and ensure stable operation.

[0022] According to some embodiments of the present application, the inner cavity of the fixed sleeve is provided with a bearing at each end respectively, and the bearing is connected with the rotating sleeve.

[0023] Beneficially, the fixed sleeve is connected with the rotating sleeve through the bearing, and the rotation is smooth, thereby ensuring the stability of the working process.

[0024] According to some embodiments of the present application, the brake mechanism comprises a brake disc arranged at the end of the rotating sleeve, a first clamp arranged on the fixed sleeve, and a second clamp mounted on the first clamp through a bolt, and the brake disc is accommodated between the first clamp and the second clamp to play a role of deceleration.

[0025] Beneficially, the brake mechanism adjusts the distance between the first clamp and the second clamp through the bolt, plays a role of braking the brake disc, and the tighter the brake disc is, the greater force is required to pull the adhesive tape, and the tighter the adhesive tape is pulled, which is beneficial to increase the tension of the adhesive tape during packaging.

[0026] According to some embodiments of the present application, the stop positioning mechanism comprises a positioning disc arranged at the end of the rotating sleeve, a positioning block swing-connected with the fixed sleeve, and a cylinder driving the positioning block to swing, and the positioning disc is provided with a plurality of positioning sockets corresponding to the positioning block in the circumferential direction.

[0027] Beneficially, the stop positioning mechanism drives the positioning block to swing and be clamped with the positioning socket through the cylinder when stopping, so that the rotating sleeve stops moving and remains stationary, which is beneficial to the installation and disassembly of the adhesive tape roll.

[0028] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0029] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the appended drawings.

[0030] Figure 1 It is a perspective view of the sliding sleeve in the extended state according to an embodiment of the present application.

[0031] Figure 2 It is a perspective view of the sliding sleeve in the extended state according to an embodiment of the present application. Figure 1 It is a front view according to an embodiment of the present application.

[0032] Figure 3 It is a front view according to an embodiment of the present application. Figure 2 It is an internal schematic view according to an embodiment of the present application.

[0033] Figure 4 It is a schematic view of the tensioning block in the loosened state according to an embodiment of the present application. Figure 2 It is a schematic view of the tensioning block in the loosened state according to an embodiment of the present application.

[0034] Figure 5 It is a schematic view of the tensioning block in the loosened state according to an embodiment of the present application.Figure 4 A schematic view of the sliding sleeve in the contracted state;

[0035] Figure 6 For Figure 3 A schematic view of the cooperation between the tension block and the sliding shaft core.

[0036] Reference signs: fixed sleeve 100, rotating sleeve 110, sliding sleeve 120, plunger part 130, column part 140, retraction pressure chamber 150, extension pressure chamber 160, first air inlet 170, second air inlet 180, first ring groove 190, second ring groove 200, first channel 210, second channel 220, guide groove 230, tension block 240, sliding shaft core 250, protruding block 260, inclined sliding groove 270, piston sheet 280, loosening pressure chamber 290, tensioning pressure chamber 300, installation cavity 310, third air inlet 320, fourth air inlet 330, third ring groove 340, fourth ring groove 350, third channel 360, fourth channel 370, annular protrusion 380, annular step 390, sleeve pipe 400, rear cover 410, inner flow channel 420, side flow channel 430, air pipe 440, sealing ring 450, bearing 460, brake disc 470, first clamping sheet 480, second clamping sheet 490, positioning disc 500, positioning block 510, air cylinder 520, positioning bayonet 530. DETAILED DESCRIPTION

[0037] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0038] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0039] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0040] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0041] The following is for reference. Figures 1-6 A tape roll mounting clamp is described in detail with reference to a specific embodiment. It is to be understood that the following description is merely illustrative and not intended to limit the invention.

[0042] like Figures 1-6 As shown, a tape roll mounting clamp includes a rotating mechanism, a telescopic mechanism, and a tensioning mechanism.

[0043] The rotating mechanism includes a fixed sleeve 100 and a rotating sleeve 110 that rotatably engages with the inner cavity of the fixed sleeve 100; the telescopic mechanism includes a sliding sleeve 120, which is divided into a plunger portion 130 that slidably engages with the inner cavity of the rotating sleeve 110 and a rod portion 140 that extends outward from the rotating sleeve 110. The plunger portion 130 divides the inner cavity of the rotating sleeve 110 into a retracted pressure chamber 150 located on one side of the rod portion 140 and an extended pressure chamber 160 located on the side away from the rod portion 140. The fixed sleeve 100 is provided with a first air inlet 170 and a second air inlet 160. The air inlet 180 and the inner wall of the fixed sleeve 100 are provided with a first annular groove 190 and a second annular groove 200 respectively communicating with the first air inlet 170 and the second air inlet 180. The rotating sleeve 110 is provided with a first channel 210 communicating with the first annular groove 190 and the retracted pressure chamber 150, and a second channel 220 communicating with the second annular groove 200 and the extended pressure chamber 160. One end of the column rod 140 extending out of the rotating sleeve 110 is used to mount the tape roll. The end of the column rod 140 is provided with a plurality of guide grooves 230 communicating with the inner cavity of the sliding sleeve 120.

[0044] The tensioning mechanism comprises a tensioning block 240 arranged in the guide groove 230, a sliding shaft core 250 arranged in the inner cavity of the sliding sleeve 120 and used to drive the tensioning block 240 to move along the guide groove 230, the tensioning block 240 is provided with an inclined surface close to one side of the inner cavity of the sliding sleeve 120, the two sides of the inclined surface are provided with protrusions 260, the end of the sliding shaft core 250 is provided with a plurality of inclined sliding grooves 270 which are matched with the inclined surface and the protrusions 260, the outer side of the sliding shaft core 250 is provided with a piston sheet 280 which is slidably matched with the inner cavity of the sliding sleeve 120, the piston sheet 280 divides the inner cavity of the sliding sleeve 120 into a loosening pressure chamber 290 used to push the sliding shaft core 250 to move to one side to drive the tensioning block 240 to retract into the guide groove 230, a tensioning pressure chamber 300 used to push the sliding shaft core 250 to move to the other side to drive the tensioning block 240 to extend out of the guide groove 230, and a mounting cavity 310 used to arrange the guide groove 230, the fixed sleeve 100 is provided with a third air inlet 320 and a fourth air inlet 330, the inner wall of the fixed sleeve 100 is provided with a third ring groove 340 and a fourth ring groove 350 which are respectively communicated with the third air inlet 320 and the fourth air inlet 330, the rotating sleeve 110 and the sliding sleeve 120 are provided with a third channel 360 and a fourth channel 370, when the sliding sleeve 120 is in the extended state, the third channel 360 is communicated with the third ring groove 340 and the loosening pressure chamber 290, and the fourth channel 370 is communicated with the fourth ring groove 350 and the tensioning pressure chamber 300.

[0045] When the adhesive tape roll is installed, the second air inlet 180 is ventilated into the extended pressure chamber 160 through the second ring groove 200 and the second channel 220, the extended pressure chamber 160 is pressed to push the sliding sleeve 120 to move to one side of the columnar rod part 140, so that the columnar rod part 140 extends out of the rotating sleeve 110, then the fourth air inlet 330 is ventilated into the tensioning pressure chamber 300 through the fourth ring groove 350 and the fourth channel 370, the tensioning pressure chamber 300 is pressed to push the sliding shaft core 250 to move to the other side to drive the tensioning block 240 to extend out of the guide groove 230, so as to play a role of tensioning and fixing the adhesive tape roll, as shown in FIG. 6. Figures 1-3 When the adhesive tape roll is installed, the second air inlet 180 is ventilated into the extended pressure chamber 160 through the second ring groove 200 and the second channel 220, the extended pressure chamber 160 is pressed to push the sliding sleeve 120 to move to one side of the columnar rod part 140, so that the columnar rod part 140 extends out of the rotating sleeve 110, then the fourth air inlet 330 is ventilated into the tensioning pressure chamber 300 through the fourth ring groove 350 and the fourth channel 370, the tensioning pressure chamber 300 is pressed to push the sliding shaft core 250 to move to the other side to drive the tensioning block 240 to extend out of the guide groove 230, so as to play a role of tensioning and fixing the adhesive tape roll, as shown in FIG. 6. Figure 4 When the adhesive tape roll is installed, the second air inlet 180 is ventilated into the extended pressure chamber 160 through the second ring groove 200 and the second channel 220, the extended pressure chamber 160 is pressed to push the sliding sleeve 120 to move to one side of the columnar rod part 140, so that the columnar rod part 140 extends out of the rotating sleeve 110, then the fourth air inlet 330 is ventilated into the tensioning pressure chamber 300 through the fourth ring groove 350 and the fourth channel 370, the tensioning pressure chamber 300 is pressed to push the sliding shaft core 250 to move to the other side to drive the tensioning block 240 to extend out of the guide groove 230, so as to play a role of tensioning and fixing the adhesive tape roll, as shown in FIG. 6.Figure 5 As shown, the tape roll is dropped from the column rod part 140, and the tape roll is automatically disassembled, and then the above steps are repeated. Therefore, the tape roll can be conveniently installed and disassembled, the downtime is reduced, and the production efficiency is improved. It should be noted that the clamp can be used for foam tape, stretch film, stickers and other roll-shaped materials in addition to the tape roll.

[0046] Specifically, as shown in Figure 3 and Figure 6 , the inclined surface is inclined inward, the inclined sliding groove 270 is inclined outward, the loosening pressure chamber 290 is arranged near the installation cavity 310, and the tightening pressure chamber 300 is arranged away from the installation cavity 310. Thus, it is beneficial to the cooperation of the inclined sliding groove 270 and the tightening block 240, and beneficial to the arrangement of the loosening pressure chamber 290 and the tightening pressure chamber 300.

[0047] In addition, as shown in Figure 3 , the inner cavity of the rotating sleeve 110 near the column rod part 140 is provided with an annular protrusion 380 which is in sliding cooperation with the column rod part 140, and the annular protrusion 380 and the plunger part 130 form a retraction pressure chamber 150. The annular protrusion 380 is beneficial to the sealing of the retraction pressure chamber 150.

[0048] Moreover, the inner cavity of the rotating sleeve 110 near the annular protrusion 380 is provided with an annular step 390 which is lower than the annular protrusion 380, the side surface of the annular step 390 is used to abut against the side surface of the plunger part 130 to play a positioning role, and the first air inlet 170 is arranged on the annular step 390 and communicates with the first annular groove 190. The side surface of the annular step 390 abuts against the side surface of the plunger part 130 to play a positioning role to prevent the column rod part 140 from being excessively extended, the first air inlet 170 is arranged on the annular step 390 and communicates with the first annular groove 190, and the retraction pressure chamber 150 can be ensured to have enough space to keep in communication with the first channel 210.

[0049] Further, the rotating sleeve 110 includes a sleeve pipe 400 and a rear cover 410, the rear cover 410 is arranged at one end of the sleeve pipe 400 away from the column rod part 140, and the rear cover 410 and the plunger part 130 form an extension pressure chamber 160. The rotating sleeve 110 is divided into the sleeve pipe 400 and the rear cover 410, which is beneficial to the machining of the channel and the subsequent communication of the third channel 360 with the loosening pressure chamber 290 through the rear cover 410.

[0050] It should be noted that the sliding shaft core 250 is provided with an inner flow channel 420, the inner flow channel 420 is provided with a side flow channel 430 communicated with the loosening pressure chamber 290, the middle part of the rear cover 410 is provided with a gas pipe 440 connected with the sliding sleeve 120 of the inner flow channel 420, and the gas pipe 440 is communicated with the inner flow channel 420 and the third channel 360. In this way, when the column rod part 140 of the sliding sleeve 120 is retracted, the third air inlet 320 can still be communicated with the loosening pressure chamber 290 through the third channel 360, the gas pipe 440, the inner flow channel 420 and the side flow channel 430, so that the retracting process of the tightening block 240 is always received in the guide groove 230, and interference is avoided.

[0051] It can be understood that the two sides of the first ring groove 190, the second ring groove 200, the third ring groove 340 and the fourth ring groove 350 are provided with sealing rings 450. The sealing ring 450 is arranged to have a good sealing effect, prevent gas leakage, and ensure stable work.

[0052] It is worth mentioning that the inner cavity of the fixed sleeve 100 is provided with bearings 460 connected with the rotating sleeve 110 at both ends. The fixed sleeve 100 is connected with the rotating sleeve 110 through the bearings 460 to rotate smoothly, so that the working process is stable.

[0053] In some embodiments of the present application, a brake mechanism is further included, the brake mechanism includes a brake disc 470 arranged at the end of the rotating sleeve 110, a first clamp 480 arranged on the fixed sleeve 100, a second clamp 490 mounted on the first clamp 480 through bolts, and the brake disc 470 is accommodated between the first clamp 480 and the second clamp 490 to play a role of deceleration. The brake mechanism adjusts the distance between the first clamp 480 and the second clamp 490 through bolts, plays a role of braking the brake disc 470, and the tighter the brake disc 470 pulls the adhesive tape, the greater the force required, and the tighter the adhesive tape is pulled, which is beneficial to increase the tension of the adhesive tape during packaging.

[0054] In addition, a shutdown positioning mechanism is further included, the shutdown positioning mechanism includes a positioning disc 500 arranged at the end of the rotating sleeve 110, a positioning block 510 swing connected with the fixed sleeve 100, a gas cylinder 520 driving the positioning block 510 to swing, and a plurality of positioning clamps 530 corresponding to the positioning block 510 are arranged on the positioning disc 500 in the circumferential direction. The shutdown positioning mechanism drives the positioning block 510 to swing and be clamped with the positioning clamp 530 through the gas cylinder 520 when shutdown is required, so that the rotating sleeve 110 stops moving and remains stationary, which is beneficial to the installation and disassembly of the adhesive tape roll.

[0055] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the present application.

Claims

1. A tape roll mounting clamp characterized by, The utility model relates to a kind of rotating mechanism and telescopic mechanism, including: Rotating mechanism, including fixed sleeve (100), rotating sleeve (110) with the rotating cooperation of the inner cavity of the fixed sleeve (100); Telescopic mechanism, including sliding sleeve (120), the sliding sleeve (120) includes plunger part (130) with the sliding cooperation of the inner cavity of the rotating sleeve (110), column stem part (140) for extending the outside of the rotating sleeve (110), the plunger part (130) will The inner cavity of the rotating sleeve (110) is divided into the retraction pressure chamber (150) located in the one side of the column stem part (140), the extension pressure chamber (160) away from the one side of the column stem part (140), the fixed sleeve (100) is equipped with first air inlet (170) and second air inlet (180), the inner wall of the fixed sleeve (100) is equipped with first annular groove (190) and second annular groove (200) respectively with the first air inlet (170) and the second air inlet (180) Communication, the first annular groove (190), the second annular groove (200), third annular groove (340) and fourth annular groove (350) both sides are equipped with sealing ring (450), the rotating sleeve (110) is equipped with the first channel (210) of the first annular groove (190) and the retraction pressure chamber (150) communication, the second channel (220) of the second annular groove (200) and the extension pressure chamber (160) connection, the one end of the column stem part (140) for extending the rotating sleeve (110) is used for sleeving adhesive tape roll, the end of the column stem part (140) is equipped with several guide grooves (230) with the inner cavity of the sliding sleeve (120) communication; The tightening mechanism comprises a tightening block (240) arranged in the guide groove (230), a sliding shaft core (250) arranged in the inner cavity of the sliding sleeve (120) and used to drive the tightening block (240) to move along the guide groove (230), the tightening block (240) is provided with an inclined surface near one side of the inner cavity of the sliding sleeve (120), the inclined surface is provided with a protrusion (260) on both sides, the end of the sliding shaft core (250) is provided with a plurality of inclined sliding grooves (270) which are matched with the inclined surface and the protrusion (260) in the circumferential direction, the outer side of the sliding shaft core (250) is provided with a piston sheet (280) which is slidably matched with the inner cavity of the sliding sleeve (120), the piston sheet (280) divides the inner cavity of the sliding sleeve (120) into a loosening pressure chamber (290) used to push the sliding shaft core (250) to move to one side so as to drive the tightening block (240) to retract into the guide groove (230), a tightening pressure chamber (300) used to push the sliding shaft core (250) to move to the other side so as to drive the tightening block (240) to extend out of the guide groove (230), and a mounting cavity (310) used to arrange the guide groove (230), the inclined surface inclines inwardly, the inclined sliding groove (270) inclines outwardly, the loosening pressure chamber (290) is arranged on the side close to the mounting cavity (310), the tightening pressure chamber (300) is arranged on the side away from the mounting cavity (310), the fixed sleeve (100) is provided with a third air inlet (320) and a fourth air inlet (330), the inner wall of the fixed sleeve (100) is provided with a third ring groove (340) and a fourth ring groove (350) which are respectively communicated with the third air inlet (320) and the fourth air inlet (330), the rotating sleeve (110) and the sliding sleeve (120) are provided with a third channel (360) and a fourth channel (370), when the sliding sleeve (120) is in the extended state, the third channel (360) is communicated with the third ring groove (340) and the loosening pressure chamber (290), and the fourth channel (370) is communicated with the fourth ring groove (350) and the tightening pressure chamber (300).

2. The tape roll mounting clamp of claim 1, wherein The inner cavity of the rotating sleeve (110) is provided with an annular protrusion (380) which is slidably matched with the columnar rod part (140) on the side close to the columnar rod part (140), and the annular protrusion (380) and the plunger part (130) form the retraction pressure chamber (150).

3. The tape roll mounting clamp of claim 2, wherein The inner cavity of the rotating sleeve (110) is provided with an annular step (390) which is lower than the annular protrusion (380) on the side close to the annular protrusion (380), the side surface of the annular step (390) is used to abut against the side surface of the plunger part (130) to play a positioning role, and the first air inlet (170) is arranged on the annular step (390) and communicated with the first ring groove (190).

4. The tape roll mounting clamp of claim 2, wherein The rotating sleeve (110) comprises a sleeve pipe (400) and a rear cover (410) arranged at one end of the sleeve pipe (400) away from the columnar rod (140), and the rear cover (410) and the plunger (130) form the extension pressure chamber (160).

5. The tape roll mounting clamp of claim 4, wherein The sliding shaft core (250) is provided with an inner flow channel (420) connected with a side flow channel (430) of the loosening pressure chamber (290), and the rear cover (410) is provided with an air pipe (440) in the middle part and connected with the sliding sleeve (120) of the inner flow channel (420), and the air pipe (440) is connected with the inner flow channel (420) and the third channel (360).

6. The tape roll mounting clamp of claim 1, wherein The inner cavity of the fixed sleeve (100) is respectively provided with bearings (460) at two ends and connected with the rotating sleeve (110).

7. The tape roll mounting clamp of claim 1, wherein The brake mechanism comprises a brake disc (470) arranged at the end of the rotating sleeve (110), a first clamping piece (480) arranged on the fixed sleeve (100), a second clamping piece (490) mounted on the first clamping piece (480) through bolts, and the first clamping piece (480) and the second clamping piece (490) accommodate the brake disc (470) to play a role of deceleration.

8. The tape roll mounting clamp of claim 1, wherein, The shutdown positioning mechanism comprises a positioning disc (500) arranged at the end of the rotating sleeve (110), a positioning block (510) swing-connected with the fixed sleeve (100), and an air cylinder (520) driving the positioning block (510) to swing, and the positioning disc (500) is circumferentially provided with a plurality of positioning sockets (530) corresponding to the positioning block (510).

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