Half shaft seat and self-aligning ball bearing pulling tool for cutter head of cigarette making machine
By designing a cigarette machine cutter head extraction fixture with adjustable spacing extraction claws and screw lifting mechanism, the problems of difficult disassembly and high risk of damage were solved, enabling rapid disassembly of the half-shaft seat and self-aligning ball bearing, improving maintenance efficiency and reducing labor intensity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-10
AI Technical Summary
Existing technologies present challenges in disassembling cigarette machine cutter disc half-shaft seats and self-aligning ball bearings, including difficulties in disassembly, high risk of damage, and high labor intensity, making it difficult to meet the needs for efficient and low-damage maintenance.
Design a tooling for removing the half-shaft seat and self-aligning ball bearing of a cigarette machine cutter disc. It adopts an adjustable-pitch extraction claw and screw lifting mechanism, combined with a buffer pad design, to achieve quick removal of the half-shaft seat and self-aligning ball bearing from the cutter disc without disassembly.
It significantly improves maintenance efficiency, reduces the risk of equipment damage and labor intensity, and ensures equipment integrity while adapting to multiple specifications of parts.
Smart Images

Figure CN224102860U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical maintenance tool technical field especially, relates to a kind of half shaft seat and self-aligning ball bearing extraction tool of cigarette machine cutter head. BACKGROUND
[0002] In the production process of ZJ17 cigarette machine, the automatic feeding system of cutter disc cutting blade occasional fault can cause the quality problems such as stubble on cigarette cutting surface. For example, the cutter disc cannot be raised, and the reasons can be insufficient air pressure, damage of sealing ring in half shaft seat, bearing damage, damage of top rod inaction, damage of cutter disc internal tool-approach mechanism, etc. Regardless of any reason, cutter disc and half shaft seat need to be disassembled and repaired. However, the existing maintenance operation has significant defects:
[0003] Difficult to disassemble: half shaft seat and self-aligning ball bearing are prone to dirt accumulation or bearing jamming due to long-term operation, and conventional manpower or tools (such as crowbar and puller) cannot directly separate them from the cutter disc. The cutter disc and half shaft seat need to be disassembled as a whole to the operation table for processing. The whole disassembly process takes a long time and greatly increases the disassembly complexity.
[0004] High risk of damage: the existing tool has poor adaptability and cannot flexibly adjust the grabbing range. Forced operation can cause scratches on the surface of half shaft seat, deformation of self-aligning ball bearing, and even damage to the precise structure of cutter disc.
[0005] High labor intensity: manual hammering and repeated attempts are required for extraction, which consumes a lot of physical strength of operators and has safety hazards.
[0006] The above problems make it difficult for the existing maintenance method to meet the efficient and low-loss maintenance requirements. There is an urgent need for a disassembly tool specially used for half shaft seat and self-aligning ball bearing to improve maintenance efficiency and ensure equipment integrity. INVENTION CONTENTS
[0007] The utility model aims at the deficiency of prior art and develops a half shaft seat and self-aligning ball bearing extraction tool for cigarette machine cutter disc. The utility model realizes quick extraction of half shaft seat and self-aligning ball bearing without disassembling cutter disc through precise cooperation of adjustable spacing pull piece claw and screw lifting mechanism, significantly improves maintenance efficiency and reduces manual strength.
[0008] The technical solution of the utility model to solve the technical problem is:
[0009] The application provides a half shaft seat and self-aligning ball bearing extraction tool for cigarette machine cutter disc, which includes a support frame and a lifting assembly. A hole is formed in the top surface of the support frame. The lifting assembly is installed in the middle space of the support frame through the hole.
[0010] The lifting assembly comprises a lifting screw rod, a lifting nut and a pulling claw, the lifting screw rod is arranged in the hole, the lifting nut is threadedly connected on the lifting screw rod, the lifting nut is located above the hole, the bottom end of the lifting screw rod is connected with a pulling cross rod, the pulling claws are movably connected below the two ends of the pulling cross rod respectively, the pulling claw is pulled by rotating the lifting nut to move the lifting screw rod upward, thereby pulling the half shaft seat or the aligning ball bearing.
[0011] As an improvement of the above scheme, the support frame comprises a horizontal support rod, vertical support rods are movably connected below the two ends of the horizontal support rod respectively, the hole is arranged on the horizontal support rod, the lifting nut is located above the horizontal support rod, and the pulling cross rod is arranged in parallel with the horizontal support rod.
[0012] As an improvement of the above scheme, adjusting holes are arranged in the two ends of the pulling cross rod respectively, the top end of the pulling claw is connected to the pulling cross rod through the adjusting hole, the pulling claw can move in and out of the adjusting hole to adjust the distance between the two pulling claws, the distance between the two pulling claws is quickly adjusted to adapt to workpieces of different sizes through the adjusting hole, and the universality is improved.
[0013] As an improvement of the above scheme, the adjusting hole is a waist-shaped hole or a rectangular hole.
[0014] As an improvement of the above scheme, the bottom end of the vertical support rod is fixedly connected with an elastic pad made of nylon or rubber, so that the support frame is prevented from directly contacting the cutter disc and the cutter disc is prevented from being damaged.
[0015] Compared with the prior art, the above scheme has the following advantages or beneficial effects:
[0016] The adjustable distance pulling claw and the screw lifting mechanism are accurately matched, the buffer pad protection design is combined, the half shaft seat and the aligning ball bearing are quickly pulled out without disassembling the cutter disc, the damage risk of the equipment is completely eliminated while adapting to components of different specifications, the maintenance efficiency is significantly improved, and the manual strength is reduced. DRAWINGS
[0017] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation on the utility model.
[0018] Figure 1 It is a structure schematic view of a pulling tool for a half shaft seat and an aligning ball bearing of a cigarette machine cutter disc.
[0019] Figure 2 It is a structure schematic view of the pulling tool in the process of pulling a half shaft seat of a cigarette machine cutter disc.
[0020] Figure 3 Fig. 1 is a schematic view of the structure of the pulling tool of the present embodiment when pulling the self-aligning ball bearing of the cutter disc of the cigarette making machine.
[0021] In the figure, 1 is a lifting screw, 2 is a pulling piece cross bar, 21 is an adjusting hole, 3 is a pulling piece claw, 31 is a locking bolt, 4 is an elastic pad, 5 is a lifting nut, 6 is a cross support bar, 7 is a vertical support bar, 8 is a half shaft seat, 9 is a cutter disc, and 10 is a self-aligning ball bearing. DETAILED DESCRIPTION
[0022] In order to clearly illustrate the technical features of the present scheme, the present utility model will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples to implement different structures of the present utility model. In order to simplify the disclosure of the present utility model, the components and settings of specific examples are described below. In addition, the present utility model can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings being discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present utility model omits the description of known components and processing techniques and processes to avoid unnecessary limitations on the present utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be a fixed connection, or it can be a detachable connection, or it can be integrally connected; it can be a mechanical connection, or it can be an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present utility model can be understood according to the specific circumstances.
[0023] Referring to Figure 1 The present embodiment provides a half shaft seat and a self-aligning ball bearing pulling tool for a cutter disc of a cigarette making machine, which comprises a support frame and a lifting assembly. The lifting assembly is installed on the support frame, and the half shaft seat 8 or the self-aligning ball bearing 10 is pulled up by the upward lifting of the lifting assembly.
[0024] The support frame comprises a horizontal support rod 6 and two vertical support rods 7, the two vertical support rods 7 are fixedly connected at two ends of the horizontal support rod 6 and are located below the horizontal support rod 6. A hole is formed at the center of the horizontal support rod 6.
[0025] The lifting assembly comprises a lifting screw rod 1, a lifting nut 5 and two puller claws 3. The lifting screw rod 1 passes through the hole, the lifting nut 5 is threadedly connected on the lifting screw rod 1 and is located above the horizontal support rod 6. The bottom end of the lifting screw rod 1 is fixedly connected with a puller horizontal rod 2 which is arranged in parallel with the horizontal support rod 6, the two ends of the puller horizontal rod 2 are movably connected with the puller claws 3 and the puller claws 3 are located below the puller horizontal rod 2. Further, adjusting holes 21 are formed at the two ends of the puller horizontal rod 2 respectively, the top ends of the puller claws 3 are connected with the puller horizontal rod 2 through the adjusting holes 21 and locking bolts 31, the puller claws 3 can move in and out of the adjusting holes 21 to adjust the distance between the two puller claws 3. The adjusting holes 21 can be waist-shaped holes or rectangular holes.
[0026] The bottom end of the vertical support rod 7 is fixedly connected with an elastic pad 4 which is preferably made of nylon or rubber. The bottom end of the vertical support rod 7 abuts against the cutter head 9 through the elastic pad 4, so as to avoid damage to the cutter head 9 caused by hard contact between the bottom end of the vertical support rod 7 and the cutter head 9.
[0027] Referring to Figure 2 When the half shaft seat 8 needs to be pulled out, the support frame is placed above the cutter head 9, so that the two vertical support rods 7 are tightly attached to the edges of the cutter head 9 through the elastic pads 4, the distance between the two puller claws 3 is adjusted through the adjusting holes 21, the locking bolts 31 are tightened to make the puller claws 3 tightly hold the half shaft seat 8, the lifting nut 5 is rotated to make the lifting screw rod 1 lift upward and drive the puller claws 3 and the half shaft seat 8 to move upward, so as to take out the half shaft seat 8.
[0028] Referring to Figure 3 After the half shaft seat 8 is taken out, the aligning ball bearing 10 on the half shaft can also be taken out through the above steps.
[0029] The above describes the specific embodiments of the utility model in combination with the drawings, but is not a limitation on the protection scope of the utility model. Various modifications or changes made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.
Claims
1. A tooling for removing the half-shaft seat and self-aligning ball bearing of a cigarette rolling machine cutter disc, characterized in that: The utility model provides a lifting device for semi-axle seat and aligning ball bearing, which comprises a support frame and a lifting assembly, a hole is formed in the top surface of the support frame, and the lifting assembly is installed in the middle space of the support frame through the hole. The lifting assembly comprises a lifting screw (1), a lifting nut (5) and a pulling piece claw (3), the lifting screw (1) is arranged in the hole, the lifting nut (5) is threadedly connected to the lifting screw (1), the lifting nut (5) is located above the hole, the bottom end of the lifting screw (1) is connected with a pulling piece cross rod (2), the pulling piece claws (3) are movably connected to the lower portions of the two ends of the pulling piece cross rod (2), respectively, the pulling piece claws (3) are pulled out of the semi-axle seat (8) or the aligning ball bearing (10) by rotating the lifting nut (5) to move the lifting screw (1) upward.
2. The semi-axle seat and self-aligning ball bearing pulling tool of cigarette maker cutter disc according to claim 1, characterized in that: The support frame comprises a horizontal support rod (6), the two ends of the horizontal support rod (6) are respectively connected with vertical support rods (7) located below the horizontal support rod (6), the hole is formed in the horizontal support rod (6), the lifting nut (5) is located above the horizontal support rod (6), and the pulling piece cross rod (2) is arranged in parallel with the horizontal support rod (6).
3. The semi-axle seat and self-aligning ball bearing pulling tool of cigarette maker cutter disc according to claim 1, characterized in that: The two ends of the pulling piece cross rod (2) are respectively provided with adjusting holes (21), the top ends of the pulling piece claws (3) are connected to the pulling piece cross rod (2) through the adjusting holes (21), and the pulling piece claws (3) can move in and out of the adjusting holes (21) to adjust the distance between the two pulling piece claws (3).
4. The semi-axle seat and self-aligning ball bearing pulling tool of cigarette maker cutter disc according to claim 3, characterized in that: The adjusting holes (21) are waist-shaped holes or rectangular holes.
5. The semi-axle seat and self-aligning ball bearing pulling tool of cigarette maker cutter disc according to claim 2, characterized in that: The bottom end of the vertical support rod (7) is fixedly connected with an elastic pad (4).
6. The semi-axle seat and self-aligning ball bearing pulling tool of a cigarette maker cutter disc according to claim 5, characterized in that: The elastic pad (4) is made of nylon or rubber.