Slitting device capable of automatically arranging cutters
By combining an automatic blade arrangement mechanism and a fine-tuning component, the problems of low blade position adjustment efficiency and large error in existing film slitting devices are solved, achieving efficient and precise slitting results and improving slitting quality and stability.
Patent Information
- Application Number
- CN202522122624.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-09
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-10-09
AI Technical Summary
Existing film slitting devices suffer from significant errors in blade position adjustment, resulting in low efficiency, poor slitting quality, and instability. Furthermore, the large positional error during blade adjustment negatively impacts slitting quality.
An automatic blade arrangement mechanism is adopted, which combines airbags, keyways and fine-tuning components to achieve automatic adjustment and fixation of the slitting blades, ensuring the accuracy and stability of the blade position.
It improves the efficiency and accuracy of tool position adjustment, ensures the stability of slitting quality, reduces processing errors and tool oscillation, and enhances the automation level of the slitting device.
Smart Images
Figure CN223749795U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of slitting equipment, and particularly relates to a slitting device capable of automatically arranging cutters. BACKGROUND
[0002] At present, in the process of processing sheet materials such as films, the films usually need to be slit, that is, a wide film needs to be slit into multiple narrow films, and each narrow film after being slit also needs to be wound, so a special slitting device needs to be used.
[0003] The existing film slitting device slits the film by arranging multiple groups of cutters in parallel. However, when the number of slits and the width of slits need to be changed, the positions of the cutters need to be adjusted. The existing adjustment operation is to manually adjust the positions of the cutters, which is low in efficiency and has a large position error in adjusting the cutters, which can easily lead to a large error between the width of the film after being slit and the actual required width.
[0004] In addition, since there is a certain machining error in machining the cutter shaft and multiple groups of cutters, after the cutters are arranged, the multiple groups of cutters still have a certain positioning error due to the machining error, and even problems such as swinging and shifting can occur during the slitting process, which affects the stability and quality of slitting. SUMMARY
[0005] In view of this, to solve the problems in the background art, the purpose of the utility model is to provide a slitting device capable of automatically arranging cutters.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a slitting device capable of automatically arranging cutters, comprising a cutter roll, multiple slitting cutters, an automatic cutter arranging mechanism, and a cutter groove roll; the cutter roll is used to support and install the multiple slitting cutters, and a limiting member and a fine adjustment member are arranged between the cutter roll and the slitting cutters; the limiting member has an unlocking mode and a cutter locking mode; in the unlocking mode, the limiting member is configured to enable the multiple slitting cutters to move axially relative to the cutter roll; in the cutter locking mode, the limiting member is configured to fix the multiple slitting cutters relative to the cutter roll; the fine adjustment member is configured to finely adjust the relative positions of the slitting cutters and the cutter roll, so that the cutting edges of the multiple slitting cutters are flush; the cutter groove roll is arranged relative to the cutter roll to form a slitting channel between the cutter roll and the cutter groove roll, in which at least part of the slitting cutters can be placed; the automatic cutter arranging mechanism is configured to drive the slitting cutters to move on the cutter roll when the limiting member remains in the unlocking mode.
[0007] Preferably, the slitting cutter comprises a cutter seat having a sliding ring and a slitting cutter body fixed to the cutter seat by bolts.
[0008] Preferably, the limiting member comprises an air bag, a key and a keyway; the air bag is arranged inside the knife roll, the keyway is arranged on the peripheral wall of the knife roll, the key is connected with the air bag, and the key is configured to be completely accommodated in the keyway before the air bag is inflated and to protrude out of the knife roll to abut against the sliding ring after the air bag is inflated.
[0009] Preferably, the fine adjustment member comprises an adapter hole arranged on the sliding ring, and the adapter hole is provided with a ball, a spring and a fine adjustment bolt matched from inside to outside; the ball is configured to abut against the knife roll under the extrusion of the fine adjustment bolt and the spring.
[0010] Preferably, the fine adjustment member further comprises a lock nut nested outside the fine adjustment bolt.
[0011] Preferably, the peripheral wall of the knife roll is provided with a guide groove, and the guide groove is configured to enable the ball to move along the axial direction of the guide groove on the surface of the knife roll.
[0012] Preferably, the automatic knife arranging mechanism comprises a moving driving member, a position sensor and a pneumatic clamping member; the moving driving member is used to drive the position sensor and the pneumatic clamping member to move along the axial direction of the knife roll, and the pneumatic clamping member comprises a clamping jaw capable of abutting against the sliding ring on both sides.
[0013] Preferably, the peripheral wall of the sliding ring is provided with a groove, and the inner side of the clamping jaw is provided with a boss matched with the groove; when the clamping jaw abuts against and clamps the sliding ring, the boss is inserted into the groove in a tangent manner.
[0014] Preferably, the slitting device further comprises a swing driving mechanism, and the swing driving mechanism is configured to drive the plurality of slitting cutters to swing around the central axis of the knife roll together with the knife roll when the limiting member keeps the knife locking mode, so that the cutting edges of the slitting cutters move between the knife arranging position and the slitting position.
[0015] Preferably, the swing driving mechanism comprises a swing frame, a driving cylinder and a mounting seat; the swing frame is fixed at the end of the knife roll, and the driving cylinder is rotationally connected between the swing frame and the mounting seat.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] (1) The utility model discloses, through setting up automatic arrangement knife mechanism makes multiple slitting cutters can move to the designated position along the cutter roll axis direction, and then automatically adjust the distance between adjacent slitting cutters on the cutter roll, to be suitable for the demand of different slitting width flexibly, the efficiency of adjustment is high, and the control precision of cutter position is higher. In addition, by setting up the limiting component locking and fixing slitting cutter and cutter roll, by setting up the fine adjustment component fine adjustment slitting cutter and the relative position of cutter roll, the stability and slitting quality of slitting cutter in the slitting process are improved in this way;
[0018] (2) The utility model discloses, fine adjustment component includes the structure such as adaptation hole, ball, spring, fine adjustment bolt and lock nut, specifically through adjusting the size of fine adjustment bolt insertion to adaptation hole, can be based on the extrusion of spring, ball and cutter roll abutment correction slitting cutter and the relative position of cutter roll, simple structure, convenient operation, and through lock nut can guarantee the stability of whole fine adjustment component, through ball can guarantee the flexibility of slitting cutter movement;
[0019] (3) The utility model discloses, set up the groove on the sliding ring of slitting cutter, set up the boss on the automatic arrangement knife mechanism's jaw and groove is adapted, thereby, when jaw abutment holds sliding ring, boss can be inserted groove in the tangential mode, to ensure that the stability of automatic arrangement knife mechanism to slitting cutter holds. DRAWINGS
[0020] Figure 1 It is the perspective view of the utility model;
[0021] Figure 2 It is the local structure schematic view of the utility model in showing cutter roll, slitting cutter, automatic arrangement knife mechanism, swing drive mechanism and knife groove roll;
[0022] Figure 3 It is the local structure schematic view of the utility model in showing cutter roll, slitting cutter, automatic arrangement knife mechanism and knife groove roll one;
[0023] Figure 4 It is the local structure schematic view of the utility model in showing cutter roll, slitting cutter, automatic arrangement knife mechanism and knife groove roll two;
[0024] Figure 5 It is the local structure schematic view of the utility model in showing cutter roll, slitting cutter and knife groove roll;
[0025] Figure 6 It is the sectional view of the utility model in showing cutter roll;
[0026] Figure 7 It is the local structure schematic view of the utility model in showing slitting cutter;
[0027] Figure 8The utility model discloses an explosion map of the display slitting cutter.
[0028] Figure 9 The utility model discloses a partial structure schematic diagram of the display pneumatic clamping member.
[0029] Figure 10 The utility model discloses a partial structure schematic diagram of the display swing drive mechanism.
[0030] In the drawing: cutter roll -100, air bag -101, key -102, keyway -103, adaptive hole -104, ball -105, spring -106, fine adjustment bolt -107, locknut -108, guide groove -109, slitting cutter -200, slip ring -201, cutter seat -202, slitting cutter body -203, recess -204, automatic knife arranging mechanism -300, movement drive component -301, position sensor -302, pneumatic clamping member -303, clamping jaw -304, boss -305, swing drive mechanism -400, swing frame -401, drive cylinder -402, mounting seat -403, cutter groove roll -500. DETAILED DESCRIPTION
[0031] For further understanding the content of the utility model, combining with the drawings and embodiment, the utility model is described in detail. The structure, ratio, size etc. that the drawing of the present specification draws shows, all only use to cooperate the content that the present specification disclosed, to supply the person who understands this technology to understand and read, and not use to define the limited condition that the utility model can implement, so not have the substantial meaning of technology, any structure's modification, the change of proportional relationship or the adjustment of size, under not influence the effect that the utility model can produce and the purpose that can be achieved, all should still fall in the range that the technology content that the utility model disclosed can cover. Meanwhile, the terms such as " upper ", " lower ", " left ", " right ", " middle " in the present specification, only be convenient for the clear of the narrative, and not use to define the range that can implement, the change or adjustment of its relative relationship, when also regard as the scope that the utility model can implement under no substantial change technology content. It is necessary to explain that the term " first " " second " etc. in the specification and the claims of the present application and the above-mentioned drawing are used to distinguish similar objects, and not necessarily used to describe specific order or previous and subsequent order. It should be understood that such use of data can be interchanged under appropriate circumstances, so that the embodiment of the present application described here.
[0032] As Figure 1The utility model provides a kind of slitting device of automatic knife arrangement, including rack and the knife roll 100 being installed on the rack, multiple slitting cutters 200, automatic knife arrangement mechanism 300 and knife groove roll 500. Specifically, the knife groove roll 500 is arranged relative to the knife roll 100, to make the knife roll 100 and knife groove roll 500 between the slitting channel that can be inserted at least part of the slitting cutter 200, and knife groove roll 500 surface is equipped with multiple axial arrangement and corresponding slitting cutter 200 of knife groove.The rack is also rotatably installed with unwinding roller, upstream guide roller, downstream guide roller and winding roller, the upstream guide roller is configured to guide the slitting object released by the unwinding roller to be transported into the slitting channel formed between the knife roll 100 and the knife groove roll 500, and the downstream guide roller is configured to guide the slitting object passing through the slitting channel to be transported to the winding roller and be wound by the winding roller.
[0033] In a specific example, with reference to Figures 2-6 As shown, the knife roll 100 includes for supporting installation the multiple slitting cutters 200, and the knife roll 100 includes body, air bag 101, key 102 and keyway 103.The air bag 101 is arranged inside the knife roll 100 body, the keyway 103 is arranged on the peripheral wall of the knife roll 100 body, the key 102 is connected with the air bag 101, and the key 102 is configured to be completely accommodated in the keyway 103 before the air bag 101 is inflated, and to be convex to the outside of the knife roll 100 after the air bag 101 is inflated.
[0034] In a specific example, with reference to Figure 7 As shown, the slitting cutter 200 includes the cutter holder 202 with the slip ring 201 and the slitting cutter body 203 fixed on the cutter holder 202 by bolt.
[0035] In this example, the slip ring 201 is slidably sleeved outside the body of the knife roll 100, so that the slitting cutter 200 can move along the axial direction of the knife roll 100. The combination of air bag 101, key 102 and keyway 103 constitutes a limiting member: before the air bag 101 is inflated, the key 102 is completely accommodated in the keyway 103, so that the overall limiting member is in the unlocking mode, at this time, it is ensured that the multiple slitting cutters 200 can move axially on the knife roll 100; after the air bag 101 is inflated, the air bag 101 expands and makes the key 102 convex to the outside of the knife roll 100, abutting against the slip ring 201, so that the overall limiting member is in the lock mode, at this time, it is ensured that the multiple slitting cutters 200 are relatively fixed with the knife roll 100.
[0036] It is worth mentioning that the abutting surface of the key 102 and the sliding ring 201 is configured as an arc surface with anti-skid lines, so as to improve the stability of the abutting fixation of the key 102 to the sliding ring 201.
[0037] In a specific example, continuing to refer to Figure 8 As shown, the sliding ring 201 is provided with an adapter hole 104 extending radially, and the adapter hole 104 is provided with a ball 105, a spring 106 and a fine adjustment bolt 107 matched from inside to outside, and the outer end of the fine adjustment bolt 107 is nested with a lock nut 108, thereby forming a fine adjustment member. Specifically, the ball 105 is accommodated in the adapter hole 104 and abuts on the cutter roll 100, so that the relative position of the sliding ring 201 and the cutter roll 100 can be corrected by pushing the ball 105 in the axial direction of the adapter hole 104, thereby ensuring that the cutting edges of the plurality of slitting cutters 200 are flush. The pushing of the ball 105 is realized by rotating the fine adjustment bolt 107, and the fine adjustment bolt 107 is screwed with the adapter hole 104, so that when the fine adjustment bolt 107 is rotated, the size of the fine adjustment bolt 107 extending into the adapter hole 104 can be changed, thereby the ball 105 can be pushed by the spring 106. In addition, according to the different compression degrees of the spring 106 between the ball 105 and the fine adjustment bolt 107, the abutting pressure of the ball 105 to the cutter roll 100 is also different, based on which, the deformation elastic force of the spring 106 can be adjusted by rotating the fine adjustment bolt 107, thereby changing the moving friction force between the sliding ring 201 and the cutter roll 100, and ensuring that the sliding ring 201 can move flexibly along the cutter roll 100 to avoid the cutter being stuck. After the adjustment of the fine adjustment bolt 107 is completed, the fine adjustment bolt 107 is further fastened by cooperating with the lock nut 108, thereby ensuring the stability after fine positioning.
[0038] It is worth mentioning that the circumferential wall of the cutter roll 100 is provided with an axially extending guide groove 109, and the guide groove 109 is configured to enable the ball 105 to move axially on the surface of the cutter roll 100, that is, to ensure that the ball 105 and the sliding ring 201 can realize accurate axial movement, and under the cooperation of the ball 105 and the spring 106, the positioning accuracy of the sliding ring 201 can always be ensured, thereby avoiding the adverse effects of the unevenness formed in the guide groove 109 due to machining errors on the positioning of the sliding ring 201.
[0039] In a specific example, continuing to refer to Figure 4As shown, the automatic knife arrangement mechanism 300 comprises a movement driving member 301, a position sensor 302 and a pneumatic clamping member 303. Specifically, the movement driving member 301 adopts any one of a linear motor structure, a motor screw structure, a movement cylinder structure and the like, which is not specifically limited here, as long as the movement driving member 301 can drive the position sensor 302 and the pneumatic clamping member 303 to move axially along the knife roller 100; the pneumatic clamping member 303 comprises clamping jaws 304 capable of abutting and clamping on both sides of the slip ring 201, and the clamping jaws 304 on both sides are driven to move by a bidirectional cylinder. Based on this, by clamping of the pneumatic clamping member 303 and driving of the movement driving member 301, the slitting cutter 200 can be driven to move axially on the knife roller 100 when the limiting member remains in the unlocking mode, and the movement position of the slitting cutter 200 is detected by the position sensor 302 during the movement, thereby ensuring that the slitting cutter 200 can be accurately moved to a specified position, and ensuring the accuracy of the cutter position during the knife arrangement process.
[0040] It is worth noting that the circumferential wall of the slip ring 201 is provided with a groove 204 as shown in Figure 7 and Figure 8 The inner side of the clamping jaw 304 is provided with a boss 305 (as shown in Figure 9 ) matched with the groove 204, and when the clamping jaw 304 abuts and clamps the slip ring 201, the boss 305 can be inserted into the groove 204 in a tangent manner, thereby realizing stable assembly of the clamping jaw 304 and the slip ring 201, and effectively avoiding the phenomenon of structural slipping of the clamping jaw 304 during movement of the slip ring 201.
[0041] In a specific example, continuing to refer to Figure 10 As shown, the swing driving mechanism 400 comprises a swing frame 401, a driving cylinder 402 and a mounting seat 403, the swing frame 401 is fixed at the end of the knife roller 100, and the driving cylinder 402 is rotationally connected between the swing frame 401 and the mounting seat 403. Based on this, by using the extension and retraction driving of the driving cylinder 402, it can be known that the swing driving mechanism 400 is configured to drive the plurality of slitting cutters 200 and the knife roller 100 to swing around the center axis of the knife roller 100 when the limiting member remains in the locked knife mode, so that the cutting edge of the slitting cutter 200 moves between the knife arrangement position and the slitting position.
[0042] Specifically: when the cutting edge of the slitting cutter 200 moves to the knife removal position, the cutting edge of the slitting cutter 200 is separated from the knife groove roller 500 (the cutting edge is separated from the knife groove); when the cutting edge of the slitting cutter 200 moves to the slitting position, the cutting edge of the slitting cutter 200 cooperates with the knife groove roller 500 (the cutting edge is inserted into the knife groove). It is worth noting that when the automatic knife removal mechanism 300 is started to perform knife removal, the cutting edge of the slitting cutter 200 should be moved to the knife removal position by the swing driving mechanism 400, so as to avoid the interference of the knife groove roller 500 to the movement of the slitting cutter 200.
[0043] In summary, the slitting method comprises: moving the plurality of slitting cutters 200 and the knife roller 100 together around the central axis of the knife roller 100 by the swing driving mechanism 400, so that the cutting edge of the slitting cutter 200 moves to the knife removal position; before the knife removal, the air bag 101 is first deflated, so that the limiting member is in the unlocking mode, at this time, it is ensured that the plurality of slitting cutters 200 can move axially on the knife roller 100; the automatic knife removal mechanism 300 is started to perform the automatic knife removal of the plurality of slitting cutters 200 on the knife roller 100; after the knife removal is completed, the air bag 101 is inflated, so that the limiting member is in the knife locking mode, at this time, it is ensured that the plurality of slitting cutters 200 are relatively fixed with the knife roller 100; finally, the plurality of slitting cutters 200 and the knife roller 100 are moved together around the central axis of the knife roller 100 by the swing driving mechanism 400, so that the cutting edge of the slitting cutter 200 moves to the slitting position, so as to perform slitting.
[0044] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0045] Note that the above is only the preferred embodiment of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, readjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims
1. A slitting device capable of automatically ejecting knives, characterized by: The application relates to a knife roll (100), a plurality of slitting cutters (200), an automatic cutter arrangement mechanism (300) and a knife groove roll (500); the knife roll (100) is used for supporting and mounting the plurality of slitting cutters (200), and a limiting member and a fine adjustment member are arranged between the knife roll (100) and the slitting cutters (200); the limiting member has an unlocking mode and a cutter locking mode; in the unlocking mode, the limiting member is configured to enable the plurality of slitting cutters (200) to move axially relative to the knife roll (100); in the cutter locking mode, the limiting member is configured to fix the plurality of slitting cutters (200) relative to the knife roll (100); the fine adjustment member is configured to fine adjust the relative positions of the slitting cutters (200) and the knife roll (100) so that the cutting edges of the plurality of slitting cutters (200) are flush; the knife groove roll (500) is arranged relative to the knife roll (100) so that a slitting channel capable of accommodating at least part of the slitting cutters (200) is formed between the knife roll (100) and the knife groove roll (500); the automatic cutter arrangement mechanism (300) is configured to drive the slitting cutters (200) to move on the knife roll (100) when the limiting member remains in the unlocking mode.
2. The slitting device of claim 1, wherein: The slitting cutter (200) comprises a cutter seat (202) with a sliding ring (201) and a slitting cutter body (203) fixed on the cutter seat (202) by bolts.
3. The slitter device of claim 2, wherein: The limiting member comprises an air bag (101), a key (102) and a key groove (103); the air bag (101) is arranged inside the knife roll (100), the key groove (103) is arranged on the peripheral wall of the knife roll (100), the key (102) is connected with the air bag (101), and the key (102) is configured to be completely accommodated in the key groove (103) before the air bag (101) is inflated and to protrude outward of the knife roll (100) to abut against the sliding ring (201) after the air bag (101) is inflated.
4. The slitter device of claim 2, wherein: The fine adjustment member comprises an adapter hole (104) arranged on the sliding ring (201), and the adapter hole (104) is provided with a ball (105), a spring (106) and a fine adjustment bolt (107) matched from inside to outside; the ball (105) is configured to abut against the knife roll (100) under the extrusion of the fine adjustment bolt (107) and the spring (106).
5. The slitter device of claim 4, wherein: The fine adjustment member further comprises a lock nut (108) nested outside the fine adjustment bolt (107).
6. The slitter device of claim 4, wherein: The peripheral wall of the knife roll (100) is provided with a guide groove (109), and the guide groove (109) is configured to enable the ball (105) to move axially on the surface of the knife roll (100) along the guide groove (109).
7. The slitter device of claim 2, wherein: The automatic knife arranging mechanism (300) comprises a moving driving member (301), a position sensor (302) and a pneumatic clamping member (303); the moving driving member (301) is used for driving the position sensor (302) and the pneumatic clamping member (303) to move axially along the knife roller (100), and the pneumatic clamping member (303) comprises a clamping jaw (304) capable of being abutted and clamped on both sides of the slip ring (201).
8. The slitter device of claim 7, wherein: A groove (204) is arranged on the peripheral wall of the slip ring (201), and the inner side of the clamping jaw (304) is provided with a boss (305) matched with the groove (204); when the clamping jaw (304) abuts and clamps the slip ring (201), the boss (305) is inserted into the groove (204) in a tangent manner.
9. The slitter device of claim 1, wherein: Further comprising a swing driving mechanism (400) configured to drive the plurality of slitting cutters (200) to swing around the center axis of the knife roller (100) together with the knife roller (100) when the limiting member keeps the knife locking mode, so that the cutting edges of the slitting cutters (200) move between the knife arranging position and the slitting position.
10. The slitter device of claim 9, wherein: The swing driving mechanism (400) comprises a swing frame (401), a driving cylinder (402) and a mounting seat (403), the swing frame (401) is fixed on the end of the knife roller (100), and the driving cylinder (402) is rotationally connected between the swing frame (401) and the mounting seat (403).