A packaging blown film winding device
By setting up an automated roll clamping assembly and conducting mechanism on the blown film winding equipment, the automatic loading and unloading of the roll is achieved, solving the problem that existing equipment needs to manually replace the roll, and improving production efficiency and applicability.
Patent Information
- Application Number
- CN202411281152.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2044-09-13
AI Technical Summary
The existing blown film winding equipment still needs to manually replace the roll after full roll, which cannot be fully automated, resulting in a large amount of manpower consumed in large-scale production and reduced production efficiency.
Design a blow-molded film winding equipment for packaging. By setting up a roll clamping assembly on the turntable, the elastic unlocking key and clamping seat are used to realize automatic roll replacement, combining the roll conduction mechanism and the loading rack and the loading rack. , realize automatic loading and unloading of the reel, saving manpower.
实现了吹塑薄膜收卷设备的自动化换卷和上下料,减少了人工操作,适合大规模生产使用,提高了生产效率。
Smart Images
Figure CN118771046B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of winding equipment, in particular to a blowing film winding equipment for packaging. Background Art
[0002] Blown film is one of the plastic film forming methods. The process is to melt and plasticize the resin using an extruder to extrude it into a thin-walled tube, and then, under the action of a traction device, the polymer has a better flow state at this time, and it is blown into the required thickness using compressed air, and becomes a film after cooling and finalization. Compared with other plastic film production methods, extrusion blown film has the advantages of simple equipment, low investment, high machine utilization, simple operation, no waste edges, low cost, and easy to start up by local methods. In addition, the film is pulled and blown, and the mechanical properties are improved. The finished product is cylindrical, and the welding process can be omitted for packaging.
[0003] After the production of blown film is completed, it needs to be wound up. After the traditional winding equipment is full, the winding equipment needs to be stopped, and the film is cut manually and the reel is replaced. After the end of the film is fixed on the new reel, the winding equipment is started again to wind the film. This method wastes production time, increases workload, and reduces production efficiency. Therefore, a winder that can automatically change rolls has appeared on the market, such as a winding device with automatic roll change disclosed in Chinese patent CN204474035U, which arranges two winding tubes on the loading plate and arranges an automatic cutting and winding structure. First, one of the winding tubes is driven to wind the object to be wound up. After it is full, the turntable is driven to rotate, and the positions of the two winding tubes are interchanged. The object to be wound up is cut off by the automatic cutting and winding structure and wound on the other winding tube, and the winding work is continued, thereby realizing automatic roll change and improving production efficiency.
[0004] However, the automatic roll-changing winding device still needs to manually replace the full roll, and cannot fully realize the automation of film winding. In large-scale production, it needs to consume a lot of manpower, which is not conducive to production. Summary of the invention
[0005] The purpose of the present application is to provide a packaging blown film winding device, by arranging a roll clamping assembly on a turntable, an unlocking key is elastically installed at one end of its shell, and a clamping seat is elastically installed at the other end of the shell. Under normal circumstances, the clamping seat is in a locked state, and the two corresponding clamping seats can clamp the roll, and pushing the unlocking key can release the locked state of the clamping seat. One end of the unloading rack is arranged on the rotation path of the roll clamping assembly, and the unloading rack can first contact the unlocking key and then contact the roll. The roll transmission mechanism can transport the roll on the loading rack to the rotation path of the roll clamping assembly, and the roll transmission mechanism can first contact the unlocking key and then make the roll contact the clamping seat. When unloading, The reel stops moving under the action of the unloading rack, and the clamping seat continues to rotate with the turntable. The reel pushes the clamping seat to retract into the first cavity until the clamping seat is separated from the reel, and the unloading of the full reel is completed. When loading, the reel transmission mechanism contacts the unlocking key to release the locking state of the clamping seat. Then the reel on the reel transmission mechanism contacts the clamping seat, and the end of the reel pushes the clamping seat to retract into the first cavity. When the clamping seat reaches the core position of the reel, the clamping seat pops outward and clamps the reel. The reel rotates with the clamping seat to complete the loading of the reel. Through the above-mentioned structural arrangement, the present invention can automatically complete the reel change, save manpower, and is suitable for large-scale production.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a packaging blow film winding device, comprising a base plate and a double-station winding mechanism, the double-station winding mechanism comprising two frames and two turntables, the two frames are fixedly mounted on the upper end of the base plate, and each of the turntables is rotatably mounted on the corresponding frame, the double-station winding mechanism can drive the two turntables to rotate synchronously, and also comprises a roll conduction mechanism, a lower material rack and an upper material rack, a roll clamping assembly is installed on both sides of the two turntables, the roll clamping assembly comprises a shell, a clamping seat, a first spring, an unlocking key and a second spring, the shell is rotatably mounted on the turntable, one end of the shell is provided with a first cavity, one end of the clamping seat is slidably mounted in the first cavity, one end of the first spring is in the first cavity The cam is fixedly connected to the inner wall of the housing, the other end of the first spring is fixedly connected to one end of the clamping seat, the other end of the housing is provided with a second cavity, one end of the unlocking key is slidably installed in the second cavity, one end of the second spring is fixedly connected to the inner wall of the second cavity, the other end of the second spring is fixedly connected to one end of the unlocking key, pushing the unlocking key can release the locking state of the clamping seat, and the two corresponding clamping seats on the two turntables can clamp the reel; one end of the unloading rack is arranged on the rotation path of the reel clamping assembly, the unloading rack can first contact the unlocking key and then contact the reel, the reel transmission mechanism can transport the reel on the loading rack to the rotation path of the reel clamping assembly, and the reel transmission mechanism can first contact the unlocking key and then make the reel contact the clamping seat.
[0007] Preferably, the reel clamping assembly also includes a gear, a first rack and a second rack, the gear is rotatably installed inside the outer shell, the first rack and the second rack are slidably installed inside the outer shell, and the first rack and the second rack are respectively engaged with both sides of the gear, one end of the first rack is inserted into the second cavity, a first inclined surface is provided on the side of one end of the first rack close to the unlocking key, one end of the second rack is inserted into the first cavity, and one end of the clamping seat is provided with a locking groove corresponding to the position of the second rack; the outward end of the clamping seat and the outward end of the unlocking key are both truncated cone-shaped.
[0008] Preferably, a first pulley is fixedly installed on the outer wall of the outer shell, and second pulleys are symmetrically rotatably installed on both sides of one of the turntables, each of the first pulleys is connected to the corresponding second pulley through a belt, and motors are symmetrically fixedly installed on both sides of the turntable, and the output end of each motor is fixedly connected to the corresponding second pulley.
[0009] Preferably, the unloading rack includes two support plates, an unloading frame and an unloading plate, the two support plates are fixedly installed in parallel on the bottom plate, the unloading frame is fixedly installed on the upper ends of the two support plates, the unloading plate is fixedly installed inside the unloading frame, the unloading frame and the unloading plate are both inclined, the higher end of the unloading frame and the higher end of the unloading plate are both arranged on the rotation path of the reel clamping assembly, notches are symmetrically provided on both sides of the unloading plate, the positions of the two notches respectively correspond to the positions of the reel clamping assemblies on the two turntables, and the positions on both sides of the unloading frame respectively correspond to the positions of unlocking keys on the corresponding two reel clamping assemblies.
[0010] Preferably, the loading rack includes a loading frame and a loading plate, the loading frame is fixedly installed on the upper end of the base plate, the loading plate is fixedly installed inside the loading frame, the loading plate is inclined, and blocking claws are symmetrically provided on both sides of the lower end of the loading plate.
[0011] Preferably, the roll conduction mechanism includes two mounting plates, a round rod and a conduction frame, the two mounting plates are fixedly mounted in parallel on the upper end of the bottom plate, the two ends of the round rod are respectively fixedly connected to the two mounting plates, the conduction frame is rotatably mounted on the round rod, a plurality of conduction plates are fixedly mounted on the conduction frame in a circular array, a roll groove is provided on the outer side surface of the conduction plate, a roll support plate is fixedly mounted on the outer side surface of the conduction plate, the roll support plate is arranged on one side of the roll groove, the position of the roll support plate corresponds to the position of the gap between the two material blocking claws, and one of the roll grooves is arranged on the rotation path of the connecting line of the two corresponding clamping seats.
[0012] Preferably, the reel transmission mechanism further comprises a fixed ring, a third spring and a movable ring, the fixed ring, the third spring and the movable ring are all sleeved on the round rod, the fixed ring is fixedly connected to the round rod, the movable ring is slidably connected to the round rod, both ends of the third spring are respectively fixedly connected to the fixed ring and the movable ring, a plurality of positioning rods are fixedly installed on the movable ring in an annular array, one end of the positioning rod is provided with a second inclined surface, a positioning tooth ring is fixedly installed on one end of the transmission frame, a plurality of positioning teeth are fixedly installed on the positioning tooth ring in an annular array, and one side of each positioning tooth is in contact with the corresponding second inclined surface.
[0013] Preferably, a trigger plate is fixedly mounted on one side of the two mounting plates, and the two trigger plates are arranged on the rotation path of the corresponding side reel clamping assembly.
[0014] Preferably, the spring constant of the third spring is greater than the spring constant of the first spring.
[0015] Preferably, the number of the reel support plates, positioning rods and positioning teeth is the same.
[0016] In summary, the technical effects and advantages of the present invention are as follows:
[0017] 1. In the present invention, a reel clamping assembly is arranged on the turntable, an unlocking key is elastically installed at one end of the shell, and a clamping seat is elastically installed at the other end of the shell. Under normal circumstances, the clamping seat is in a locked state, and the two corresponding clamping seats can clamp the reel. Pushing the unlocking key can release the locked state of the clamping seat. One end of the unloading rack is arranged on the rotation path of the reel clamping assembly. The unloading rack can first contact the unlocking key and then contact the reel. The reel transmission mechanism can transport the reel on the loading rack to the rotation path of the reel clamping assembly. The reel transmission mechanism can first contact the unlocking key and then make the reel contact the clamping seat. When unloading, the reel is in the action of the unloading rack. When the reel is loaded, the clamping seat stops moving and continues to rotate with the turntable. The reel pushes the clamping seat to retract into the first cavity until the clamping seat is separated from the reel, completing the unloading of the full reel. When loading, the reel transmission mechanism contacts the unlocking key to release the locking state of the clamping seat. Subsequently, the reel on the reel transmission mechanism contacts the clamping seat, and the end of the reel pushes the clamping seat to retract into the first cavity. When the clamping seat reaches the core position of the reel, the clamping seat pops outward and clamps the reel. The reel rotates with the clamping seat to complete the loading of the reel. Through the above-mentioned structural arrangement, the present invention can automatically complete the reel change, save manpower, and is suitable for large-scale production.
[0018] 2. In the present invention, in the reel conduction mechanism, the conduction frame is rotatably mounted on the round rod, and a plurality of conduction plates are fixedly mounted on the conduction frame in a circular array, and a reel groove and a reel support plate are arranged on the outer side of the conduction plate, and the reel support plate is arranged on one side of the reel groove, and the position of the reel support plate corresponds to the position of the gap between the two material blocking claws, and one of the reel grooves is arranged on the rotation path of the connecting line of the two corresponding clamping seats, and the conduction frame is rotated, and the reel support plate passes through between the two material blocking claws, lifts the reel on the material blocking claws and drops it into the reel groove, and is transported to the rotation path of the connecting line of the two corresponding clamping seats, so as to facilitate the loading of the reel.
[0019] 3. In the present invention, the fixed ring, the third spring and the movable ring are all sleeved on the round rod, the fixed ring is fixedly connected to the round rod, the movable ring is slidably connected to the round rod, the two ends of the third spring are fixedly connected to the fixed ring and the movable ring respectively, a plurality of positioning rods are fixedly installed in an annular array on the movable ring, one end of the positioning rod is provided with a second inclined surface, a positioning tooth ring is fixedly installed at one end of the conductive frame, a plurality of positioning teeth are fixedly installed in an annular array on the positioning tooth ring, one side of each positioning tooth is in contact with the corresponding second inclined surface, after a reel is loaded, it will push the conductive frame to rotate a certain angle, the positioning tooth ring rotates with the conductive frame, the positioning teeth act on the second inclined surface, push the positioning rod to move in the direction of the fixed ring, and compress the third spring, because the positioning tooth ring rotates during the process, and the positioning rod does not rotate When the reel leaves the reel groove, the positioning rod leaves one side of the positioning tooth and contacts the other side of the positioning tooth. The positioning rod is reset under the action of the third spring, pushing the other side of the positioning tooth to make it continue to rotate. The positioning tooth drives the conductive frame to continue to rotate until the second inclined surface fits one side of the next positioning tooth, and the conductive frame stops rotating. The above method rotates once, and the rotation angle is 360° / the number of positioning teeth. Since the number of conductive plates, positioning rods and positioning teeth is the same, the rotation angle is 360° / the number of conductive plates, which is the angle between two adjacent reel support plates. Therefore, each time the conductive plate rotates to the position of the conductive plate adjacent to it, the reels can be transported to a specific position one by one and continuously to complete the loading, thereby realizing the automatic loading of the reel. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;
[0022] Figure 2 It is a structural schematic diagram of the double-station winding mechanism of the present invention;
[0023] Figure 3 It is a schematic diagram of the cross-section structure of the roll clamping assembly of the present invention;
[0024] Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle;
[0025] Figure 5 It is a structural schematic diagram of the material unloading rack of the present invention;
[0026] Figure 6 It is a structural schematic diagram of the feeding rack of the present invention;
[0027] Figure 7 It is a schematic diagram of the cross-section structure of the reel support plate of the present invention;
[0028] Figure 8 For the present invention Figure 7 Enlarged view of point B in the middle.
[0029] In the figure: 1, bottom plate; 2, double-station winding mechanism; 201, frame; 202, turntable; 203, reel clamping assembly; 2031, housing; 2032, clamping seat; 2033, first spring; 2034, unlocking key; 2035, second spring; 2036, gear; 2037, first rack; 2038, second rack; 2039, locking groove; 204, first pulley; 205, second pulley; 206, motor; 3, reel conduction mechanism Structure; 301, mounting plate; 302, round rod; 303, conduction frame; 3031, reel groove; 3032, reel support plate; 304, fixed ring; 305, third spring; 306, moving ring; 307, positioning rod; 308, positioning gear ring; 309, trigger plate; 4, unloading rack; 401, support plate; 402, unloading frame; 403, unloading plate; 404, notch; 5, loading rack; 501, loading frame; 502, loading plate; 503, blocking claw. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0031] Example: Reference Figure 1 - Figure 3The packaging blown film winding device shown in the figure comprises a bottom plate 1 and a double-station winding mechanism 2, wherein the double-station winding mechanism 2 comprises two frames 201 and two turntables 202, wherein the two frames 201 are fixedly mounted on the upper end of the bottom plate 1, and each turntable 202 is rotatably mounted on the corresponding frame 201, and the double-station winding mechanism 2 can drive the two turntables 202 to rotate synchronously, and further comprises a roll conducting mechanism 3, a lower material rack 4 and an upper material rack 5, and roll clamping assemblies 203 are mounted on both sides of the two turntables 202, and the roll clamping assembly 203 comprises a shell 2031, a clamping seat 2032, a first spring 2033, an unlocking key 2034 and a second spring 2035, and the shell 2031 is rotatably mounted on the turntable 202, and one end of the shell 2031 is provided with The first cavity, one end of the clamping seat 2032 is slidably installed in the first cavity, one end of the first spring 2033 is fixedly connected to the inner wall of the first cavity, the other end of the first spring 2033 is fixedly connected to one end of the clamping seat 2032, the other end of the shell 2031 is provided with a second cavity, one end of the unlocking key 2034 is slidably installed in the second cavity, one end of the second spring 2035 is fixedly connected to the inner wall of the second cavity, the other end of the second spring 2035 is fixedly connected to one end of the unlocking key 2034, under normal conditions, the reel transmission mechanism 3 locks the clamping seat 2032, the two corresponding clamping seats 2032 on the two rotating disks 202 can clamp the reel, and pushing the unlocking key 2034 can release the locking state of the clamping seat 2032;
[0032] One end of the unloading rack 4 is arranged on the rotation path of the roll clamping assembly 203, and the unloading rack 4 can first contact the unlocking key 2034 and then contact the roll, driving the turntable 202 to rotate, and the unloading rack 4 contacts the unlocking key 2034 and pushes it, and the locking state of the clamping seat 2032 is released, and the unloading rack 4 contacts the full roll again, and the roll stops moving under the action of the unloading rack 4, and the clamping seat 2032 continues to rotate with the turntable 202, and the roll pushes the clamping seat 2032 to retract into the first cavity until the clamping seat 2032 is separated from the roll, that is, the unloading of the full roll is completed, and the roll transmission mechanism 3 can transport the roll on the loading rack 5 to the roll clamping assembly 20 3, the reel transmission mechanism 3 can first contact the unlocking key 2034 and then make the reel contact the clamping seat 2032. The reel transmission mechanism 3 contacting the unlocking key 2034 can release the locking state of the clamping seat 2032. Then the reel on the reel transmission mechanism 3 contacts the clamping seat 2032, and the end of the reel pushes the clamping seat 2032 to retract into the first cavity. When the clamping seat 2032 reaches the core position of the reel, the clamping seat 2032 pops out and clamps the reel. The reel rotates with the clamping seat 2032 to complete the loading of the reel. Through the above-mentioned structural arrangement, the present invention can automatically complete the reel change, save manpower, and is suitable for large-scale production.
[0033] Embodiment 2 is different from the above embodiment in that Figure 4 As shown, the reel clamping assembly 203 also includes a gear 2036, a first rack 2037 and a second rack 2038. The gear 2036 is rotatably installed inside the housing 2031. The first rack 2037 and the second rack 2038 are both slidably installed inside the housing 2031. The first rack 2037 and the second rack 2038 are respectively meshed with two sides of the gear 2036. One end of the first rack 2037 is inserted into the second cavity. A first inclined surface is provided on one end of the first rack 2037 close to the unlocking key 2034. One end of the second rack 2038 is inserted into the first cavity, and one end of the clamping seat 2032 is provided with a locking groove 2039 corresponding to the position of the second rack 2038. The unlocking key 2034 is pushed into the second cavity. The unlocking key 2034 acts on the first inclined surface to push the first rack 2037 to move. The first rack 2037 drives the gear 2036 to rotate. The gear 2036 drives the second rack 2038 to move in the opposite direction of the first rack 2037. The second rack 2038 exits the locking groove 2039, and the clamping seat 2032 can slide to release the locked state.
[0034] The outward end of the clamping seat 2032 and the outward end of the unlocking key 2034 are both truncated cone-shaped. By pushing the unlocking key 2034 or the clamping seat 2032 from the side, the unlocking key 2034 or the clamping seat 2032 can be pushed back into the shell 2031, which is convenient for cooperating with other structures to complete the release of the locking state of the clamping seat 2032 and loading and unloading of materials.
[0035] A first pulley 204 is fixedly installed on the outer wall of the shell 2031, and a second pulley 205 is symmetrically rotatably installed on both sides of one of the turntables 202. Each of the first pulleys 204 is connected to the corresponding second pulley 205 through a belt. Motors 206 are symmetrically fixedly installed on both sides of the turntable 202, and the output end of each motor 206 is fixedly connected to the corresponding second pulley 205. The driving motor 206 drives the second pulley 205 to rotate, and the second pulley 205 drives the first pulley 204 to rotate through the belt, thereby driving the roll clamping assembly 203 to rotate. The roll clamping assembly 203 can drive the roll to rotate to wind the blown film.
[0036] Embodiment 3 is different from the above embodiment in that Figure 5As shown, the unloading rack 4 includes two support plates 401, an unloading frame 402 and an unloading plate 403. The two support plates 401 are fixedly installed on the bottom plate 1 in parallel, the unloading frame 402 is fixedly installed on the upper ends of the two support plates 401, and the unloading plate 403 is fixedly installed inside the unloading frame 402. The unloading frame 402 and the unloading plate 403 are both inclined. The higher end of the unloading frame 402 and the higher end of the unloading plate 403 are both arranged on the rotation path of the reel clamping assembly 203. Notches 404 are symmetrically provided on both sides of the unloading plate 403. The two notches The positions of 404 correspond to the positions of the roll clamping assemblies 203 on the two turntables 202, and the positions on both sides of the unloading frame 402 correspond to the positions of the unlocking keys 2034 on the corresponding two roll clamping assemblies 203. When the turntable 202 rotates, the two sides of the unloading frame 402 first contact the unlocking keys 2034 to release the locking state of the corresponding clamping seat 2032. The fully rolled roll is blocked by the unloading plate 403, and the turntable 202 and the roll clamping assembly 203 pass through the notch 404 and continue to rotate. The roll is separated from the clamping seat 2032 and rolls to the lower end of the unloading plate 403 to complete the unloading.
[0037] Embodiment 4 is different from the above embodiment in that Figure 6 - Figure 8 As shown, the loading rack 5 includes a loading frame 501 and a loading plate 502. The loading frame 501 is fixedly installed on the upper end of the base plate 1, and the loading plate 502 is fixedly installed inside the loading frame 501. The loading plate 502 is tilted, and blocking claws 503 are symmetrically provided on both sides of the lower end of the loading plate 502. The unwound roll is placed flat on the loading plate 502, and the lowest roll rolls onto the blocking claws 503. After the roll on the blocking claws 503 is removed, the roll above it is automatically replenished, so that the rolls are convenient to obtain one by one.
[0038] Embodiment 5 is different from the above embodiments in that the reel conducting mechanism 3 comprises two mounting plates 301, a round rod 302 and a conducting frame 303. The two mounting plates 301 are fixedly mounted on the upper end of the bottom plate 1 in parallel, and the two ends of the round rod 302 are respectively fixedly connected to the two mounting plates 301. The conducting frame 303 is rotatably mounted on the round rod 302. A plurality of conducting plates are fixedly mounted on the conducting frame 303 in an annular array. The outer side of the conducting plate is provided with a reel groove 3031. The outer side of the conducting plate is fixedly mounted with a reel support plate 303. 2. The roll support plate 3032 is arranged on one side of the roll groove 3031, and the position of the roll support plate 3032 corresponds to the position of the gap between the two material blocking claws 503. One of the roll grooves 3031 is arranged on the rotation path of the connection line of the two corresponding clamping seats 2032. The conductive frame 303 is rotated, and the roll support plate 3032 passes through the two material blocking claws 503, lifts the roll on the material blocking claws 503 and drops it into the roll groove 3031, and transports it to the rotation path of the connection line of the two corresponding clamping seats 2032, which is convenient for loading the roll.
[0039] The reel transmission mechanism 3 further includes a fixed ring 304, a third spring 305 and a moving ring 306, wherein the fixed ring 304, the third spring 305 and the moving ring 306 are all sleeved on the round rod 302, the fixed ring 304 is fixedly connected to the round rod 302, the moving ring 306 is slidably connected to the round rod 302, the two ends of the third spring 305 are respectively fixedly connected to the fixed ring 304 and the moving ring 306, a plurality of positioning rods 307 are fixedly installed in an annular array on the moving ring 306, one end of the positioning rod 307 is provided with a second inclined surface, a positioning toothed ring 308 is fixedly installed at one end of the transmission frame 303, a plurality of positioning toothed rings 308 are fixedly installed in an annular array on the positioning toothed ring 308 The first and second cams 306 are connected to the reel 203 by the locking cam 2034. The locking cam 2034 is connected to the reel 2036 by the locking cam 2034. The locking cam 2034 is connected to the reel 2036 by the locking cam 2034. The locking cam 2034 is connected to the reel 2036 by the locking cam 2034. The locking cam 2034 is connected to the reel 2036 by the locking cam 2034. When the reel is in the locked state, the clamping seat 2032 is ejected under the action of the first spring 2033 and inserted into the core of the reel to clamp the reel. At the same time, the unlocking key 2034 moves out of the range of the trigger plate 309, and the clamping seat 2032 is locked. Then the turntable 202 continues to rotate, and the clamping seat 2032 drives the reel to rotate. The reel pushes the conductive frame 303 to rotate, and the positioning tooth ring 308 rotates with the conductive frame 303. The positioning teeth act on the second inclined surface to push the positioning rod 307 to move toward the fixing ring 304 and compress the third spring 305. Since the positioning tooth ring 308 rotates during the process, and the positioning rod 307 does not rotate, when the reel is separated from the reel groove 3031, the positioning rod 307 is separated from one side of the positioning teeth and connected with the other side of the positioning teeth. The positioning rod 307 is reset under the action of the third spring 305, pushing the other side of the positioning tooth to make it continue to rotate, and the positioning tooth drives the conductive frame 303 to continue to rotate until the second inclined surface fits with one side of the next positioning tooth, and the conductive frame 303 stops rotating. It rotates once in the above manner, and the rotation angle is 360° / the number of positioning teeth. Since the number of conductive plates, positioning rods 307 and positioning teeth is the same, the rotation angle is 360° / the number of conductive plates, that is, the angle between two adjacent roll supporting plates 3032. Therefore, each time the conductive plate rotates to the position of the conductive plate adjacent to it, the rolls can be transported to a specific position one by one and continuously, and the loading is completed, thereby realizing the automatic loading of the rolls.
[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A packaging blown film winding device, comprising a bottom plate and a double-station winding mechanism, wherein the double-station winding mechanism comprises two frames and two turntables, wherein the two frames are fixedly mounted on the upper end of the bottom plate, and each turntable is rotatably mounted on the corresponding frame, and the double-station winding mechanism can drive the two turntables to rotate synchronously, and is characterized in that: The cam is secured to the chassis and has a first end for camming the first and second ends of the first spring when the cam is in a position to move relative to the first end of the chassis. One end of the unloading rack is arranged on the rotation path of the roll clamping assembly, the unloading rack can contact the unlocking key first and then contact the roll, the roll transmission mechanism can transport the roll on the loading rack to the rotation path of the roll clamping assembly, and the roll transmission mechanism can contact the unlocking key first and then make the roll contact the clamping seat; The reel clamping assembly also includes a gear, a first rack and a second rack, the gear is rotatably mounted inside the housing, the first rack and the second rack are slidably mounted inside the housing, and the first rack and the second rack are respectively meshed with two sides of the gear, one end of the first rack is inserted into the second cavity, a first inclined surface is provided on one end of the first rack close to the unlocking key, one end of the second rack is inserted into the first cavity, and one end of the clamping seat is provided with a locking groove corresponding to the position of the second rack; The outward end of the clamping seat and the outward end of the unlocking key are both arranged in a truncated cone shape; The unloading frame comprises two supporting plates, an unloading frame and an unloading plate, the two supporting plates are fixedly mounted on the bottom plate in parallel, the unloading frame is fixedly mounted on the upper ends of the two supporting plates, the unloading plate is fixedly mounted inside the unloading frame, the unloading frame and the unloading plate are both arranged obliquely, the higher end of the unloading frame and the higher end of the unloading plate are both arranged on the rotation path of the roll clamping assembly, notches are symmetrically arranged on both sides of the unloading plate, the positions of the two notches correspond to the positions of the roll clamping assemblies on the two turntables respectively, and the positions on both sides of the unloading frame correspond to the positions of the unlocking keys on the corresponding two roll clamping assemblies respectively; The loading rack includes a loading frame and a loading plate, wherein the loading frame is fixedly mounted on the upper end of the bottom plate, and the loading plate is fixedly mounted inside the loading frame, the loading plate is tilted, and blocking claws are symmetrically arranged on both sides of the lower end of the loading plate; The roll transmission mechanism comprises two mounting plates, a round rod and a transmission frame, the two mounting plates are fixedly mounted on the upper end of the bottom plate in parallel, the two ends of the round rod are fixedly connected to the two mounting plates respectively, the transmission frame is rotatably mounted on the round rod, a plurality of transmission plates are fixedly mounted on the transmission frame in a ring array, a roll groove is provided on the outer side of the transmission plate, a roll supporting plate is fixedly mounted on the outer side of the transmission plate, the roll supporting plate is arranged on one side of the roll groove, the position of the roll supporting plate corresponds to the position of the gap between the two material blocking claws, and one of the roll grooves is arranged on the rotation path of the connection line of the two corresponding clamping seats; The reel transmission mechanism also includes a fixed ring, a third spring and a movable ring, wherein the fixed ring, the third spring and the movable ring are all sleeved on the round rod, the fixed ring is fixedly connected to the round rod, the movable ring is slidably connected to the round rod, the two ends of the third spring are respectively fixedly connected to the fixed ring and the movable ring, a plurality of positioning rods are fixedly installed on the movable ring in an annular array, one end of the positioning rod is provided with a second inclined surface, a positioning tooth ring is fixedly installed on one end of the transmission frame, a plurality of positioning teeth are fixedly installed on the positioning tooth ring in an annular array, and one side of each positioning tooth is in contact with the corresponding second inclined surface.
2. The packaging blown film winding device according to claim 1, characterized in that: A first pulley is fixedly installed on the outer wall of the shell, and second pulleys are symmetrically rotatably installed on both sides of one of the turntables, each of the first pulleys is connected to the corresponding second pulley through a belt, and motors are symmetrically fixedly installed on both sides of the turntable, and the output end of each motor is fixedly connected to the corresponding second pulley.
3. The packaging blown film winding device according to claim 2, characterized in that: A trigger plate is fixedly mounted on one side of the two mounting plates, and the two trigger plates are arranged on the rotation path of the corresponding side reel clamping assembly.
4. The packaging blown film winding device according to claim 3, characterized in that: The third spring has a spring constant greater than that of the first spring.
5. The packaging blown film winding device according to claim 4, characterized in that: The number of the reel support plate, the positioning rod and the positioning teeth is the same.