Material collecting and discharging device capable of automatically clamping paper core
By using components such as sliding sleeves, limit rings and self-swelling keys in the automatic clamping and releasing device of paper core, the problem of unstable fixation of the longer core cylinder in the existing technology is solved, and the problem of automatic clamping device of paper core is realized. More flexible and stable fixing effects.
Patent Information
- Application Number
- CN202420991326.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-05-09
AI Technical Summary
When the existing paper core automatic clamping and material retracting device fixes the longer core cylinder, the self-swelling key is fixed at the edge of the core cylinder, and the core cylinder is easily fallen off when the movable shaft rotates, and the stability is poor.
A device including paper core pushing parts and paper core tightening parts is designed, and the sliding sleeve and limit ring are used to slide the sliding connection between the limit ring through the sliding sleeve and limit ring. Cooperation with positioning components enables flexible adjustment and fixation of self-swelling keys to ensure uniform fixation of the core cylinder at different lengths.
Through the coordination of the limit ring and the sliding sleeve, the self-swelling key can adjust the tightening position according to the length of the reel, which improves the fixing stability of the core barrel, avoids the risk of falling off, and enhances the flexibility and stability of the device.
Smart Images
Figure CN222138198U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of paper processing, in particular to a paper core automatic clamping material collecting and releasing device. Background Art
[0002] At present, when processing paper rolls, the paper core needs to be fixed. There are many ways to clamp the paper roll core shaft, including manual clamping, pneumatic or airbag automatic clamping. The so-called manual clamping method refers to manually driving the mechanical clamping mechanism to lock the inner core of the paper roll; the so-called pneumatic or airbag method is to use an air expansion shaft, which is essentially to drive the clamping part to move along the core radial direction through compressed air to clamp the paper roll on the core shaft.
[0003] The common pneumatic shaft type clamping and releasing material structure mainly consists of two parts: the tensioning part and the pushing part. The tensioning part includes the movable shaft and the outer sleeve. The outer side of the outer sleeve is provided with a self-expansion key. When the outer baffle of the outer sleeve is pushed by the core barrel, the self-expansion key will pop out. Since the position of the outer baffle of the outer sleeve is fixed, the position of the self-expansion key on the inner side of the core barrel will also be fixed when it pops out. Since the lengths of different types of core barrels are different, when the longer core barrel is fixed and the self-expansion key is fixed on the edge of the core barrel, when the movable shaft rotates, the core barrel will be at risk of falling off, and the stability is poor. Utility Model Content
[0004] In view of the above problems, the utility model proposes a paper core automatic clamping material collecting and unloading device, which is used to solve the shortcomings of the existing material collecting and unloading device that when a longer core tube is fixed, the self-expanding key is fixed to the edge of the core tube, and when the movable shaft rotates, there is a risk of the core tube falling off, resulting in poor stability.
[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a paper core automatic clamping material collection and unwinding device, including a paper core pushing member and a paper core tensioning member arranged at both ends of a reel;
[0006] The paper core tensioner comprises a sliding sleeve, the diameter of the sliding sleeve is smaller than the diameter of the inner ring of the reel, a limiting ring is provided on the outer side of the sliding sleeve, the limiting ring is slidably connected with the sliding sleeve, and a positioning component is provided at the connection between the limiting ring and the sliding sleeve;
[0007] There are multiple key slots on the outside of the sliding sleeve, and each key slot is equipped with a self-expanding key. The self-expanding key is slidably connected to the key slot. A rotating shaft structure is provided at the end of the sliding sleeve away from the reel. The rotating shaft structure is inserted into the sliding sleeve and cooperates with the self-expanding key wedge to push each self-expanding key to expand after the reel contacts the limit ring.
[0008] A further improvement is that the paper core pushing member comprises a cylinder, a conical plug is provided at the output end of the cylinder, and the conical plug abuts against the end of the reel away from the sliding sleeve.
[0009] Further improvements are: the rotating shaft structure includes a driving shaft, one end of the driving shaft is inserted into the sliding sleeve and is slidably connected to the sliding sleeve, a guide structure for limiting the horizontal sliding of the driving shaft is provided at the connection between the sliding sleeve and the driving shaft, one end of the driving shaft inserted into the sliding sleeve is in contact with the lower end of the self-expanding key, the contacting surfaces of the driving shaft and the self-expanding key are both tapered, and a first spring member for supporting the reset of the sliding sleeve and a second spring member for supporting the reset of the self-expanding key are provided on the inner side of the sliding sleeve.
[0010] A further improvement is that the guide structure comprises a plurality of guide grooves provided on the outer wall of the driving shaft, each guide groove surrounds the axis of the driving shaft, and the guide groove is slidably connected to a limiting edge provided on the inner side of the sliding sleeve.
[0011] A further improvement is that the first spring member includes a first spring, a retaining ring and a spring seat, the retaining ring and the spring seat are respectively fixedly connected to the two ends of the first spring, the retaining ring is inserted into a slide groove opened at the top of the driving shaft and is slidably connected to the slide groove, and the spring seat is fixedly connected to the inner wall of the sliding sleeve.
[0012] A further improvement is that the second spring member includes a second spring fixed to the lower end of the self-expanding key, each second spring surrounds the spring seat, and one end of the second spring is fixedly connected to the spring seat.
[0013] A further improvement is that the positioning assembly includes a positioning ring that is sleeved on the outside of the sleeve, the positioning ring is fixedly connected to the side of the limit ring away from the reel, a positioning bolt is installed on the outside of the positioning ring, the positioning bolt passes through the positioning ring and is threadedly connected to a thread groove opened on the outside of the sleeve, and the outside of the sleeve has multiple thread grooves, and the thread grooves are evenly arranged along the length of the sleeve.
[0014] The beneficial effects of the utility model are as follows: when the reel pushes the limit ring, the sliding sleeve will also move, and each self-expanding key will open from the key slot to fix the reel from the inside of the reel. Since the limit ring is slidably connected with the sliding sleeve, after the lock between the limit ring and the sliding sleeve is released by the positioning assembly, the position of the limit ring is adjusted, so that the self-expanding key can adjust the tensioning position according to the length of the reel, with strong flexibility. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural diagram of a paper core pushing member and a paper core tensioning member in the utility model.
[0016] Figure 2 It is a structural diagram of the interior of the sliding sleeve in the utility model.
[0017] Figure 3 This utility model Figure 2 A magnified view of the structure at center.
[0018] Figure 4It is a structural diagram of the limiting ring in the utility model.
[0019] Among them: 1. Cylinder; 2. Conical plug; 3. Sliding sleeve; 31. Limiting edge; 32. Thread groove; 33. Keyway; 34. Self-expanding key; 4. Driving shaft; 41. Guide groove; 5. Limiting ring; 51. Positioning ring; 52. Positioning bolt; 6. First spring; 61. Retaining ring; 62. Spring seat; 63. Second spring. DETAILED DESCRIPTION
[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.
[0021] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment provides a paper core automatic clamping material collection and unwinding device, including a paper core pushing member and a paper core tensioning member arranged at both ends of the reel.
[0022] The paper core tensioning member includes a sliding sleeve 3, the diameter of the sliding sleeve 3 is smaller than the diameter of the inner ring of the reel, a limiting ring 5 is sleeved on the outer side of the sliding sleeve 3, the limiting ring 5 is slidably connected to the sliding sleeve 3, and a positioning component is provided at the connection between the limiting ring 5 and the sliding sleeve 3; the paper core pushing member and the paper core tensioning member are arranged at both ends of the reel, one is used to push the reel onto the sliding sleeve 3 of the paper core tensioning member, and the other is used to fix the reel from the inside of the reel.
[0023] A plurality of key slots 33 are provided on the outside of the sleeve 3, and a self-expanding key 34 is provided in each key slot 33. The self-expanding key 34 is slidably connected with the key slot 33. A rotating shaft structure is provided at the end of the sleeve 3 away from the reel. The rotating shaft structure is inserted into the sleeve 3 and cooperates with the self-expanding key 34 with an oblique wedge, and is used to push each self-expanding key 34 to expand after the reel contacts the limit ring 5. Under the push of the paper core pusher, the reel sleeved on the outside of the sleeve 3 will contact the limit ring 5. When the reel pushes the limit ring 5, the sleeve 3 will also move. At this time, the rotating shaft structure inserted into the sleeve 3 cooperates with each self-expanding key 34 with an oblique wedge, so that each self-expanding key 34 is opened from the key slot 33, and the reel is fixed from the inside of the reel.
[0024] The diameter of the limit ring 5 is larger than the inner ring diameter of the reel. Since the limit ring 5 is slidably connected to the sleeve 3, the position of the limit ring 5 can be adjusted after the lock between the limit ring 5 and the sleeve 3 is released by the positioning assembly, so that the self-expansion key 34 can adjust the tensioning position according to the length of the reel, with strong flexibility.
[0025] About the paper core pusher: The paper core pusher includes a cylinder 1, and a conical plug 2 is provided at the output end of the cylinder 1, and the conical plug 2 is against the end of the roll away from the sliding sleeve 3. When loading, the roll is placed between the paper core pusher and the paper core tensioner, and the cylinder 1 pushes the conical plug 2 to make the roll sleeve on the outside of the sliding sleeve 3, and the roll is continuously pushed, and the roll pushes the sliding sleeve 3 to move toward the rotating shaft structure through the limit ring 5.
[0026] Regarding the rotating shaft structure: the rotating shaft structure includes a driving shaft 4, one end of which is inserted into the sliding sleeve 3 and slidably connected to the sliding sleeve 3. The connection between the sliding sleeve 3 and the driving shaft 4 is provided with a guide structure for limiting the horizontal sliding of the driving shaft 4. One end of the driving shaft 4 inserted into the sliding sleeve 3 contacts the lower end of the self-expanding key 34. The contacting sides of the driving shaft 4 and the self-expanding key 34 are both tapered. The inner side of the sliding sleeve 3 is provided with a first spring member for supporting the reset of the sliding sleeve 3 and a second spring member for supporting the reset of the self-expanding key 34. When the sliding sleeve 3 slides along the axis of the driving shaft 4 toward the tail end of the driving shaft 4 under the drive of the limiting ring 5, the driving shaft 4 will push the self-expanding key 34 along the inclined surface at the lower end of the self-expanding key 34, so that the self-expanding key 34 slides upward along the key slot 33 until it contacts the inner wall of the reel, and the reel is fixed. When the thrust exerted on the sliding sleeve 3 and the limiting ring 5 disappears, the first spring member will push the sliding sleeve 3 to return to its position, and the second spring member will pull the self-expanding key 34 to return to its position.
[0027] Specifically, the guide structure includes a plurality of guide grooves 41 provided on the outer wall of the driving shaft 4, each guide groove 41 surrounds the axis of the driving shaft 4, and the guide groove 41 is slidably connected with the limiting rib 31 provided on the inner side of the sliding sleeve 3. The tail end of the driving shaft 4 is connected with a synchronous pulley, and when the driving shaft 4 is inserted into the sliding sleeve 3, the limiting rib 31 on the inner side of the sliding sleeve 3 is also inserted into the guide groove 41 and cooperates with the guide groove 41. Under the cooperation of the guide groove 41 and the limiting rib 31, the driving shaft 4 can make axial movement, and the sliding sleeve 3 is driven to rotate by the driving shaft 4, so as to control the overall rotation of the reel.
[0028] Regarding the first spring member and the second spring member: the first spring member includes a first spring 6, a retaining ring 61 and a spring seat 62, the retaining ring 61 and the spring seat 62 are respectively fixedly connected to the two ends of the first spring 6, the retaining ring 61 is inserted into the slide groove opened at the top of the driving shaft 4 and is slidably connected with the slide groove, and the spring seat 62 is fixedly connected to the inner wall of the sliding sleeve 3. The sliding sleeve 3 moves toward the driving shaft 4, the driving shaft 4 pushes the retaining ring 61, and the first spring 6 between the retaining ring 61 and the spring seat 62 contracts. When the thrust on the sliding sleeve 3 disappears, the retaining ring 61 pushes 3 to reset through the spring seat 62.
[0029] The second spring member includes a second spring 63 fixed to the lower end of the self-expanding key 34, each second spring 63 surrounds the spring seat 62, and the second spring 63 is fixedly connected to the spring seat 62. When the self-expanding key 34 slides upward along the key slot 33, the second spring 63 will be pulled to expand, and when the thrust on the self-expanding key 34 disappears, the second spring 63 will pull the self-expanding key 34 to reset.
[0030] The positioning assembly is used to lock the position of the limit ring 5. The positioning assembly includes a positioning ring 51 sleeved on the outside of the sliding sleeve 3. The positioning ring 51 is fixedly connected to the side of the limit ring 5 away from the reel. A positioning bolt 52 is installed on the outside of the positioning ring 51. The positioning bolt 52 passes through the positioning ring 51 and is threadedly connected with the thread groove 32 provided on the outside of the sliding sleeve 3. The outside of the sliding sleeve 3 has a plurality of thread grooves 32, and each thread groove 32 is evenly arranged along the length direction of the sliding sleeve 3. When locking the position of the limit ring 5, after moving the positioning ring 51 to a suitable position, the positioning bolt 52 is screwed into the corresponding thread groove 32.
[0031] Working principle: When loading, place the reel between the paper core pusher and the paper core tensioner, and the cylinder 1 pushes the conical plug 2. After the reel is sleeved on the outside of the sleeve 3, it continues to push the reel, and the sleeve 3 is pushed to move in the direction of the rotating shaft structure through the limit ring 5. When the sleeve 3 slides along the axis of the driving shaft 4 toward the tail end of the driving shaft 4 under the drive of the limit ring 5, the driving shaft 4 will push the self-expanding key 34 along the inclined surface at the lower end of the self-expanding key 34, so that the self-expanding key 34 slides upward along the key slot 33 until it contacts the inner wall of the reel, and fixes the reel from the inside of the reel. When the thrust on the sleeve 3 and the limit ring 5 disappears, the first spring member will push the sleeve 3 back to its original position, and the second spring member will pull the self-expanding key 34 back to its original position, releasing the tension state.
[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above implementation book only describes the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A paper core automatic clamping material collection and unwinding device, comprising a paper core pushing member and a paper core tensioning member arranged at both ends of a reel, characterized in that: The paper core tensioning member comprises a sliding sleeve (3), the diameter of the sliding sleeve (3) is smaller than the diameter of the inner ring of the winding drum, a limiting ring (5) is sleeved on the outer side of the sliding sleeve (3), the limiting ring (5) is slidably connected to the sliding sleeve (3), and a positioning component is provided at the connection between the limiting ring (5) and the sliding sleeve (3); A plurality of key slots (33) are provided on the outer side of the sliding sleeve (3), and a self-expanding key (34) is provided in each of the key slots (33). The self-expanding key (34) is slidably connected to the key slot (33). A rotating shaft structure is provided at one end of the sliding sleeve (3) away from the reel. The rotating shaft structure is inserted into the sliding sleeve (3) and is wedge-matched with the self-expanding key (34) to push each of the self-expanding keys (34) to expand after the reel contacts the limiting ring (5).
2. The paper core automatic clamping and unwinding device according to claim 1 is characterized in that: The paper core pushing member comprises a cylinder (1), the output end of the cylinder (1) is provided with a conical plug (2), and the conical plug (2) abuts against an end of the reel away from the sliding sleeve (3).
3. The paper core automatic clamping and unwinding device according to claim 1, characterized in that: The rotating shaft structure comprises a driving shaft (4), one end of the driving shaft (4) is inserted into the sliding sleeve (3) and is slidably connected with the sliding sleeve (3), a guide structure for limiting the horizontal sliding of the driving shaft (4) is provided at the connection between the sliding sleeve (3) and the driving shaft (4), one end of the driving shaft (4) inserted into the sliding sleeve (3) contacts the lower end of the self-expanding key (34), the contacting surfaces of the driving shaft (4) and the self-expanding key (34) are both tapered, and a first spring member for supporting the reset of the sliding sleeve (3) and a second spring member for supporting the reset of the self-expanding key (34) are provided on the inner side of the sliding sleeve (3).
4. The paper core automatic clamping and unwinding device according to claim 3 is characterized in that: The guide structure comprises a plurality of guide grooves (41) formed on the outer wall of the driving shaft (4), each of the guide grooves (41) surrounding the axis of the driving shaft (4), and the guide grooves (41) are slidably connected to a limiting edge (31) provided on the inner side of the sliding sleeve (3).
5. The paper core automatic clamping and unwinding device according to claim 3 is characterized in that: The first spring member comprises a first spring (6), a retaining ring (61) and a spring seat (62); the retaining ring (61) and the spring seat (62) are respectively fixedly connected to two ends of the first spring (6); the retaining ring (61) is inserted into a slide groove provided at the top of the driving shaft (4) and is slidably connected to the slide groove; the spring seat (62) is fixedly connected to the inner wall of the sliding sleeve (3).
6. The paper core automatic clamping and unwinding device according to claim 5, characterized in that: The second spring member comprises a second spring (63) fixed to the lower end of the self-expanding key (34), each of the second springs (63) surrounds the spring seat (62), and one end of the second spring (63) is fixedly connected to the spring seat (62).
7. The paper core automatic clamping and unwinding device according to claim 1, characterized in that: The positioning assembly comprises a positioning ring (51) sleeved on the outside of the sliding sleeve (3); the positioning ring (51) is fixedly connected to the side of the limiting ring (5) away from the reel; a positioning bolt (52) is mounted on the outside of the positioning ring (51); the positioning bolt (52) passes through the positioning ring (51) and is threadedly connected to a thread groove (32) provided on the outside of the sliding sleeve (3); the outside of the sliding sleeve (3) has a plurality of thread grooves (32), and each of the thread grooves (32) is evenly arranged along the length direction of the sliding sleeve (3).