Automatic adjusting device for cutting shaft of splitting machine

By employing an automatic adjustment device in the slitting machine, which utilizes a lifting motor to drive the worm gear mechanism and fixing components, the ring cutter can be automatically adjusted, thus solving the cutting accuracy problem caused by lead screw wear and improving cutting accuracy.

CN223704703UActive Publication Date: 2025-12-23开普洛克(东莞)新材料科技有限公司
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Patent Information

Application Number
CN202520153815.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-23
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In existing slitting machines, the accuracy of the cutting axis adjustment method driven by manual or electric lead screws is limited by the machining accuracy and wear of the lead screws, which leads to a decrease in cutting accuracy after long-term use.

Method used

An automatic adjustment device is adopted, which uses a lifting motor to drive a worm gear mechanism, in conjunction with a fixing component and a spacer sleeve, to achieve automatic adjustment of the ring cutter and reduce the impact of lead screw wear.

Benefits of technology

The adjustment accuracy of the cutting shaft has been improved, the decrease in cutting accuracy caused by lead screw wear has been reduced, and the cutting quality of the slitting machine has been improved.

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Abstract

The utility model discloses an automatic adjusting device for a cutting shaft of a splitting machine, and relates to the field of splitting machines, the automatic adjusting device comprises a supporting frame I, a feeding roller is rotationally connected to the supporting frame I, a winding roller is rotationally connected to a supporting frame II, and a plurality of annular cutters are arranged on the side, close to a tensioning roller set, of the winding roller; adjusting mechanisms are arranged between the multiple annular cutters and the second supporting frame, and abutting supporting mechanisms corresponding to the annular cutters are arranged on the second supporting frame. In the material moving process, the annular cutters cut the materials, when the intervals of the annular cutters need to be adjusted, the multiple annular cutters are taken down through the adjusting mechanism, then the intervals are adjusted through the adjusting mechanism, and then the annular cutters are sequentially installed on the adjusting mechanism; therefore, the situation that when a traditional manual or electric lead screw is used for adjustment, the lead screw is abraded after being used for a long time, and the cutting precision of the annular cutter is affected can be reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of slitting machine, in particular to a cutting shaft automatic adjusting device of slitting machine. BACKGROUND

[0002] The slitting machine is a device for cutting and dividing the wide roll material according to the specific size, which is widely used in papermaking, printing, plastic film, non-woven fabric, metal foil and other industries. During work, the roll material is released from the unwinding mechanism, passes through the tension control and deviation correction device, and enters the slitting cutter area. The cutter rotates at a certain speed to accurately cut the roll material into strips of the required width.

[0003] The current market widely used slitting machine cutting shaft adjusting mode is mainly manual or electric screw drive, which drives the cutting shaft to move along the track by rotating the screw, changes the distance of the cutter for cutting, and thus adjusts the cutting width.

[0004] However, the precision of the manual or electric screw drive adjusting mode is limited by the machining precision and wear degree of the screw. The screw will be worn out after long-term use, resulting in deviation of the cutter driven by the screw during displacement, which affects the subsequent cutting precision. Invention content

[0005] The present application aims to solve the problem of the manual or electric screw drive adjusting mode whose precision is limited by the machining precision and wear degree of the screw, and the screw is worn out after long-term use, resulting in deviation of the cutter driven by the screw during displacement, which affects the subsequent cutting precision. The present application provides a cutting shaft automatic adjusting device of slitting machine.

[0006] In order to achieve the above purpose, the present application specifically adopts the following technical scheme:

[0007] A cutting shaft automatic adjusting device of slitting machine, comprising a support frame one, an upper feeding roller is rotatably connected to the support frame one, a stretching roller group is installed on the support frame one, a support frame two is arranged on one side of the support frame one, a winding roller is rotatably connected to the support frame two, a tensioning roller group is arranged on the support frame two, a plurality of annular knives are arranged on the side of the winding roller close to the tensioning roller group, an adjusting mechanism is arranged between the plurality of annular knives and the support frame two, and a contact supporting mechanism corresponding to the annular knife is arranged on the support frame two.

[0008] By adopting the above technical scheme, in the process of material movement, the annular knife cuts the material, when it is necessary to adjust the interval of the annular knife, the adjusting mechanism is used to take out a plurality of annular knives, then the adjusting mechanism is used to adjust the interval, and then the annular knives are sequentially installed on the adjusting mechanism, so that the wear of the screw rod after long-time use in the traditional manual or electric screw rod adjustment can be reduced, and the cutting precision of the annular knife is affected.

[0009] Further, the adjusting mechanism comprises a supporting rod arranged on the second supporting frame, a plurality of interval sleeves with different lengths are sleeved on the supporting rod, the annular knives are located between adjacent interval sleeves, lifting assemblies are arranged between the two ends of the supporting rod and the second supporting frame, and fixing assemblies are arranged between the lifting assemblies and the supporting rod.

[0010] By adopting the above technical scheme, the combination of interval sleeves with different lengths between adjacent annular knives on the supporting rod can reduce the wear of the screw rod after long-time use in the traditional manual or electric screw rod adjustment, and affect the cutting precision of the annular knife.

[0011] Further, the fixing assembly comprises two fixing blocks symmetrically arranged at the two ends of the supporting rod, a first fixing buckle is fixed on the fixing block, a second fixing buckle is arranged on the first fixing buckle, the first fixing buckle and the second fixing buckle are connected by bolts, and the two ends of the supporting rod are located between the first fixing buckle and the second fixing buckle and resist rotation.

[0012] By adopting the above technical scheme, the two ends of the supporting rod are located between the first fixing buckle and the second fixing buckle respectively, and then the second fixing buckle is disassembled by bolts, so that the supporting rod can be conveniently taken out and fixed.

[0013] Further, the lifting assembly comprises a lifting rod rotatably connected to the second supporting frame, the two fixing blocks are fixedly connected to the lifting rod, and one end of the lifting rod is provided with a lifting motor.

[0014] By adopting the above technical scheme, the lifting motor drives the lifting rod to rotate, and the lifting rod drives the fixing block, so that the supporting rod can be conveniently lifted, and the supporting rod can be conveniently disassembled and assembled.

[0015] Further, one end of the lifting rod is fixedly provided with a worm wheel, a worm is rotatably connected to the second supporting frame, the worm wheel and the worm are engaged, and the output end of the lifting motor is fixedly connected to the worm.

[0016] By adopting the above technical scheme, the lifting motor drives the worm, and the worm drives the worm wheel, so that the worm wheel can conveniently drive the lifting rod to rotate.

[0017] Further, a protective cover is fixed between the two fixing blocks, and the protective cover corresponds to the supporting rod.

[0018] By adopting the technical scheme, the protection cover covers most of the annular cutter on the supporting rod, thereby reducing the contact of the annular cutter with other foreign matters during use or movement.

[0019] Further, the abutting supporting mechanism comprises an abutting rod arranged on one side of the supporting rod, a plurality of abutting rings corresponding to the annular cutter are arranged on the abutting rod, a spacer sleeve with different lengths is arranged between adjacent abutting rings, and a supporting assembly is arranged between the abutting rod and the second supporting frame.

[0020] By adopting the technical scheme, the distance between the abutting rings is adjusted according to the distance between the annular cutters, and the abutting rings are corresponded to the annular cutters, thereby conveniently adjusting the positions of the abutting rings and conveniently supporting the annular cutters by the abutting rings.

[0021] Further, the supporting assembly comprises two supporting blocks symmetrically fixed on the second supporting frame, a supporting seat is fixed on the supporting block, a limiting buckle is arranged on the supporting seat, the supporting seat and the limiting buckle are connected by bolts, and the two ends of the abutting rod are located between the supporting seat and the limiting buckle and abut against rotation.

[0022] By adopting the technical scheme, the bolt on the limiting buckle is screwed, the limiting buckle is separated from the supporting seat, and then the abutting rod is taken off from the supporting seat, thereby conveniently taking off the abutting rod.

[0023] In summary, the present application has at least one of the following beneficial effects.

[0024] 1. According to the present application, the lifting motor drives the worm, the worm drives the worm gear, the worm gear drives the lifting rod, the lifting rod drives the fixed block, the fixed block drives the fixed buckle one and the fixed buckle two, the supporting rod moves with the fixed buckle one and the fixed buckle two, after the annular cutter is lifted by the supporting rod, the bolt on the fixed buckle two is directly screwed, the fixed buckle two is separated from the fixed buckle one, then the supporting rod is taken off from the fixed buckle one, then the spacer sleeve and the annular cutter are taken off from the supporting rod, then the distance between the annular cutters is adjusted, the spacer sleeves with different lengths are arranged between adjacent annular cutters, the distance between the annular cutters is changed with the length of the spacer sleeves, after the distance between the annular cutters is adjusted, the supporting rod is placed on the two fixed buckles one, the fixed buckle two is buckled on the supporting rod, the fixed buckle one and the fixed buckle two are connected by the bolt, then the lifting motor drives the lifting rod to rotate in the opposite direction, the annular cutter on the supporting rod is reset, thereby reducing the wear of the screw rod after long time use in the traditional manual or electric screw rod adjustment, and the cutting precision of the annular cutter is affected.

[0025] 2, the application, when pressing the material under the ring knife, the contact ring on the contact rod supports the material, so that the ring knife can evenly cut the material, after the distance adjustment of the ring knife is completed, the bolt on the limiting buckle is twisted, the limiting buckle is separated from the supporting seat, then the contact rod is taken off from the supporting seat, then according to the adjusted distance of the ring knife, the distance of the contact ring is adjusted by using the spacer sleeve, so that the contact ring corresponds to the ring knife, which can support the material for cutting, and can adjust the ring knife. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the first three-dimensional structure schematic diagram of the cutting shaft automatic adjusting device of the slitting machine in the application;

[0027] Figure 2 is the cross-sectional structure schematic diagram of the cutting shaft automatic adjusting device of the slitting machine in the application;

[0028] Figure 3 is the application Figure 2 enlarged schematic diagram of A;

[0029] Figure 4 is the application Figure 2 enlarged schematic diagram of B.

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 1, support frame one; 2, support frame two; 3, feeding roller; 4, winding roller; 5, tensioning roller group; 6, stretching roller group; 7, ring knife; 8, adjusting mechanism; 81, supporting rod; 82, spacer sleeve; 83, fixed assembly; 831, fixed block; 832, fixed buckle one; 833, fixed buckle two; 84, lifting assembly; 841, lifting rod; 842, lifting motor; 843, worm gear; 844, worm; 85, protective cover; 9, contact supporting mechanism; 91, contact rod; 92, contact ring; 93, supporting assembly; 931, supporting block; 932, supporting seat; 933, limiting buckle. DETAILED DESCRIPTION

[0032] The application will be further described in detail below in combination with the accompanying drawings. Figure 1 —4.

[0033] The application embodiment discloses a cutting shaft automatic adjusting device of a slitting machine.

[0034] Refer to Figure 1 , Figure 2 and Figure 3The utility model provides a kind of cutting shaft automatic adjusting device of slitting machine, including support frame one 1, upper roller 3 is rotatably connected on support frame one 1, support frame one 1 is equipped with stretch roller group 6, one side of support frame one 1 is provided with support frame two 2, winding roller 4 is rotatably connected on support frame two 2, tension roller group 5 is provided on support frame two 2, a plurality of annular knives 7 are provided on the side of winding roller 4 close to tension roller group 5, adjusting mechanism 8 is provided between a plurality of annular knives 7 and support frame two 2, support frame two 2 is provided with the corresponding abutting support mechanism 9 of annular knife 7.In the material slitting of using the slitting machine, directly material roll is installed to upper roller 3, then let material pass through stretch roller group 6 on support frame one 1, then from stretch roller group 6 pass through tension roller group 5 on support frame two 2, finally let material pass through from the annular knife 7 of adjusting mechanism 8, then is wound on upper roller 3, when starting slitting, let adjusting mechanism 8 drive annular knife 7 to press down, let annular knife 7 abut on the material supported by abutting support mechanism 9, in the process of material movement, annular knife 7 cuts material, when needing to adjust the interval of annular knife 7, a plurality of annular knives 7 are removed using adjusting mechanism 8, then interval is adjusted using adjusting mechanism 8, then in sequence annular knife 7 is installed on adjusting mechanism 8, complete the adjustment of annular knife 7, by using let annular knife 7 be installed on adjusting mechanism 8, interval adjustment is carried out to a plurality of annular knives 7 using adjusting mechanism 8, to be able to reduce the wear of screw rod after long time use when using traditional manual or electric screw rod adjustment, affect the precision of annular knife 7 cutting.

[0035] Referring to Figure 1 、 Figure 2 and Figure 3 , adjusting mechanism 8 includes support rod 81 provided on support frame two 2, a plurality of long-short interval sleeve pipes 82 are sleeved on support rod 81, annular knife 7 is located between adjacent interval sleeve pipes 82, lifting assembly 84 is provided between the both ends of support rod 81 and support frame two 2, fixed assembly 83 is provided between lifting assembly 84 and support rod 81.

[0036] In addition, fixed assembly 83 includes two fixed blocks 831 symmetrically provided at the both ends of support rod 81, fixed block 831 is fixed with fixed buckle one 832, fixed buckle one 832 is provided with fixed buckle two 833, fixed buckle one 832 and fixed buckle two 833 are connected by bolt, the both ends of support rod 81 are located between fixed buckle one 832 and fixed buckle two 833 and abut rotation.

[0037] And, lifting assembly 84 includes lifting rod 841 rotatably connected on support frame two 2, two fixed blocks 831 are fixedly connected with lifting rod 841, one end of lifting rod 841 is provided with lifting motor 842.

[0038] One end of the lifting rod 841 is fixed with a worm wheel 843, the support frame two 2 is rotationally connected with a worm 844, the worm wheel 843 and the worm 844 are engaged, and the output end of the lifting motor 842 is fixedly connected with the worm 844.

[0039] When it is necessary to adjust the distance of the annular knives 7, first, the lifting motor 842 drives the worm 844, the worm 844 drives the worm wheel 843, the worm wheel 843 drives the lifting rod 841, the lifting rod 841 drives the fixed block 831, the fixed block 831 drives the fixed buckle one 832 and the fixed buckle two 833, the support rod 81 moves along with the fixed buckle one 832 and the fixed buckle two 833, after the support rod 81 drives the annular knives 7 to be lifted, the bolts on the fixed buckle two 833 are directly screwed, the fixed buckle two 833 is separated from the fixed buckle one 832, then the support rod 81 is taken off from the fixed buckle one 832, then the interval sleeve 82 and the annular knives 7 are taken off from the support rod 81, then according to the interval of the annular knives 7, different lengths of interval sleeves 82 are sleeved between the adjacent annular knives 7, so that the interval of the annular knives 7 is changed along with the length of the interval sleeve 82, after the interval of the annular knives 7 is adjusted, the support rod 81 is placed on the two fixed buckle one 832, then the fixed buckle two 833 is buckled on the support rod 81, and the fixed buckle one 832 and the fixed buckle two 833 are connected together through the bolts, then the lifting motor 842 drives the lifting rod 841 to rotate reversely, so that the annular knives 7 on the support rod 81 are reset, by adding interval sleeves 82 with different lengths between the adjacent annular knives 7 on the support rod 81, the distance between the adjacent annular knives 7 is adjusted through the length of the interval sleeve 82, so that the wear of the screw rod after long time use is reduced, and the cutting precision of the annular knives 7 is affected.

[0040] Referring to Figure 1 and Figure 2 , the two fixed blocks 831 are fixed with a protective cover 85 corresponding to the support rod 81. The protective cover 85 is fixed between the two fixed blocks 831, and the protective cover 85 covers most of the annular knives 7 on the support rod 81. By covering the annular knives 7 with the protective cover 85, it can be avoided that the annular knives 7 touch other foreign matters during use or movement.

[0041] Referring to Figure 1 , Figure 2 and Figure 4 , the abutting support mechanism 9 comprises an abutting rod 91 arranged on one side of the support rod 81, a plurality of abutting rings 92 corresponding to the annular knives 7 are arranged on the abutting rod 91, interval sleeves 82 with different lengths are arranged between adjacent abutting rings 92, and a support assembly 93 is arranged between the abutting rod 91 and the support frame two 2.

[0042] In addition, the support assembly 93 comprises two symmetrical support blocks 931 fixed on the support frame 2, the support blocks 931 are fixed with support seats 932, the support seats 932 are provided with limiting buckles 933, the support seats 932 and the limiting buckles 933 are connected by bolts, and the two ends of the abutting rod 91 are located between the support seats 932 and the limiting buckles 933 to abut and rotate.

[0043] When the annular cutter 7 presses the material, the abutting ring 92 on the abutting rod 91 supports the material, so that the annular cutter 7 can evenly cut the material. After the distance adjustment of the annular cutter 7 is completed, the bolt on the limiting buckle 933 is directly screwed, the limiting buckle 933 is separated from the support seat 932, then the abutting rod 91 is taken off from the support seat 932, then the distance of the abutting ring 92 is adjusted according to the adjusted distance of the annular cutter 7, the abutting ring 92 corresponds to the annular cutter 7, the abutting ring 92 supports the annular cutter 7, and the distance of the abutting ring 92 can also be adjusted by the spacer sleeve 82, so that the material can be supported for convenient cutting, and the annular cutter 7 can be adjusted.

[0044] Working principle: when using the slitting machine for material slitting, directly install the material roller on the feeding roller 3, then let the material pass through the stretching roller group 6 on the support frame one 1, then pass through the tensioning roller group 5 on the support frame two 2 from the stretching roller group 6, finally let the material pass through the ring knife 7, then wind on the feeding roller 3, in the process of material movement, the ring knife 7 cuts the material, when the interval of the ring knife 7 needs to be adjusted, first use the lifting motor 842 to drive the worm 844, the worm 844 drives the worm gear 843, the worm gear 843 drives the lifting rod 841, the lifting rod 841 drives the fixed block 831, the fixed block 831 drives the fixed buckle one 832 and the fixed buckle two 833, the support rod 81 moves with the fixed buckle one 832 and the fixed buckle two 833, after the support rod 81 drives the ring knife 7 to lift, directly twist the bolt on the fixed buckle two 833, let the fixed buckle two 833 separate from the fixed buckle one 832, then take off the support rod 81 from the fixed buckle one 832, then take off the interval sleeve 82 and the ring knife 7 from the support rod 81, then according to the interval of the ring knife 7, sleeve different length interval sleeve 82 between adjacent ring knife 7, let the interval of the ring knife 7 change with the length of the interval sleeve 82, after the interval of the ring knife 7 is adjusted, put the support rod 81 on the two fixed buckle one 832, then use the fixed buckle two 833 to buckle on the support rod 81, and use the bolt to connect the fixed buckle one 832 and the fixed buckle two 833 together, then use the lifting motor 842 to drive the lifting rod 841 to reverse rotation, let the ring knife 7 on the support rod 81 reset, then twist the bolt on the limiting buckle 933, let the limiting buckle 933 separate from the support seat 932, then take off the abutting rod 91 from the support seat 932, then according to the adjusted interval of the ring knife 7, then use the interval sleeve 82 to adjust the interval of the abutting ring 92, let the abutting ring 92 correspond to the ring knife 7, complete the adjustment of the ring knife 7 and the abutting ring 92.

Claims

1. An automatic adjustment device for the cutting shaft of a slitting machine, comprising a support frame (1), characterized in that: A feeding roller (3) is rotatably connected to the first support frame (1). A stretching roller group (6) is installed on the first support frame (1). A second support frame (2) is provided on one side of the first support frame (1). A take-up roller (4) is rotatably connected to the second support frame (2). A tension roller group (5) is provided on the second support frame (2). Several annular blades (7) are provided on the side of the take-up roller (4) near the tension roller group (5). An adjustment mechanism (8) is provided between the several annular blades (7) and the second support frame (2). A contact support mechanism (9) corresponding to the annular blades (7) is provided on the second support frame (2).

2. The automatic adjustment device for the cutting shaft of a slitting machine according to claim 1, characterized in that: The adjustment mechanism (8) includes a support rod (81) mounted on the support frame (2). Several spaced sleeves (82) of different lengths are sleeved on the support rod (81). The annular blade (7) is located between adjacent spaced sleeves (82). Lifting components (84) are provided between the two ends of the support rod (81) and the support frame (2). A fixing component (83) is provided between the lifting component (84) and the support rod (81).

3. The automatic adjustment device for the cutting shaft of a slitting machine according to claim 2, characterized in that: The fixing component (83) includes two fixing blocks (831) symmetrically arranged at both ends of the support rod (81). Fixing buckle one (832) is fixed on the fixing block (831), and fixing buckle two (833) is provided on the fixing buckle one (832). The fixing buckle one (832) and fixing buckle two (833) are connected by bolts. Both ends of the support rod (81) are located between fixing buckle one (832) and fixing buckle two (833) and rotate against each other.

4. The automatic adjustment device for the cutting shaft of a slitting machine according to claim 3, characterized in that: The lifting assembly (84) includes a lifting rod (841) rotatably connected to the support frame (2), two fixing blocks (831) are fixedly connected to the lifting rod (841), and a lifting motor (842) is provided at one end of the lifting rod (841).

5. The automatic adjustment device for the cutting shaft of a slitting machine according to claim 4, characterized in that: One end of the lifting rod (841) is fixed with a worm gear (843), and a worm (844) is rotatably connected to the second support frame (2). The worm gear (843) and the worm (844) mesh with each other, and the output end of the lifting motor (842) is fixedly connected to the worm (844).

6. The automatic adjustment device for the cutting shaft of a slitting machine according to claim 3, characterized in that: A protective cover (85) is fixed between the two fixing blocks (831), and the protective cover (85) corresponds to the support rod (81).

7. The automatic adjustment device for the cutting shaft of a slitting machine according to claim 2, characterized in that: The abutment support mechanism (9) includes an abutment rod (91) disposed on one side of the support rod (81), and a plurality of abutment rings (92) corresponding to the annular blade (7) are disposed on the abutment rod (91). Interval sleeves (82) of different lengths are disposed between adjacent abutment rings (92), and a support assembly (93) is disposed between the abutment rod (91) and the support frame (2).

8. The automatic adjustment device for the cutting shaft of a slitting machine according to claim 7, characterized in that: The support assembly (93) includes two support blocks (931) symmetrically fixed on the support frame (2). A support seat (932) is fixed on the support block (931). A limit buckle (933) is provided on the support seat (932). The support seat (932) and the limit buckle (933) are connected by bolts. Both ends of the abutment rod (91) are located between the support seat (932) and the limit buckle (933) and rotate in abutment.