Disassembling and assembling tool for cam disc bearing

Abstract

The utility model relates to the technical field of packaging machines, in particular to a dismounting tool for a cam disc bearing, a mounting hole for mounting the bearing is formed in a cam disc, the bearing comprises a bearing entity and a shaft hole, the dismounting tool is characterized by comprising a dismounting rod and a nut in threaded connection with the dismounting rod, and the dismounting rod penetrates through the mounting hole and the shaft hole; the nut is arranged to rotate to enable the dismounting rod to move axially; the device further comprises an abutting piece which abuts against the bearing and is connected with the disassembling and assembling rod. The abutting piece comprises a first abutting part abutting against the inner wall of the shaft hole and a second abutting part abutting against the side wall of the bearing entity. Under the condition that the cam disc and the bearing are not damaged, the bearing of the cam disc can be disassembled and assembled, the effective speed increasing effect on equipment maintenance is achieved, and meanwhile the service life of the cam disc is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machines, in particular to a disassembly and assembly tool for a cam plate bearing. Background Art

[0002] The GDX6 hard box packaging unit is a packaging equipment widely used in domestic cigarette packaging. The entire production line of this unit is mainly composed of GD X6 small box packaging machine, C800 small box transparent paper packaging machine, BV strip box and strip box transparent paper packaging machine.

[0003] Among them, the GDX6 small box packaging machine realizes the small box transparent paper packaging action through five rotating wheels: the No. 1 wheel has 4 workstations, which is responsible for the handover of cigarette groups; the No. 2 wheel, the No. 3 wheel, and the No. 4 wheel all have 8 workstations, and the No. 2 wheel completes the wrapping of the liner paper, the No. 3 wheel completes the positioning of the inner frame paper, and the No. 4 wheel completes the transportation of the cigarette pack; the No. 5 wheel has 12 workstations to complete the folding and forming of the trademark paper.

[0004] However, since the cam discs of each wheel need to ensure continuous rotation for a long time, the bearings installed on the cam discs are most susceptible to damage, so the bearings on the cam discs need to be frequently disassembled and assembled to repair and maintain the cam discs and their bearings.

[0005] Existing patent applications have disclosed many bearing disassembly and assembly tools. For example, the utility model patent with authorization announcement number CN219925934U discloses a sliding bearing disassembly tool, including: multiple support rods; a pulling rod, one end of the pulling rod is provided with a limit seat that can abut against the sliding bearing, and the other end is threaded with an adjusting nut; a cylinder seat, having a connecting side that is detachably connected to the second end, and the cylinder seat has a through hole for the pulling rod to pass through; a cylinder, installed on a side of the cylinder seat away from the connecting side, and when the pulling rod passes through the cylinder seat, the telescopic end of the cylinder can abut against the adjusting nut, and the cylinder can drive the adjusting nut to move toward the side away from the cylinder seat.

[0006] However, such a device still has its limitations. Since the cam plate bearing has a relatively large shaft hole diameter and a relatively narrow bearing body, similar disassembly and assembly tools suitable for the above bearings are difficult to apply force when in use. The difficulty in disassembling and assembling the bearings on the cam plate hinders the improvement of maintenance efficiency and reduces the service life of the bearings. Utility Model Content

[0007] In order to solve the problems existing in the prior art, the utility model provides a disassembly and assembly tool for a cam plate bearing, which can disassemble and assemble the cam plate bearing without damaging the cam plate and the bearing, effectively speeding up equipment maintenance and also increasing the service life of the cam plate.

[0008] The technical solution to the problem solved by the utility model is to provide a disassembly and assembly tool for a cam plate bearing, wherein the cam plate is provided with a mounting hole for mounting the bearing, and the bearing comprises a bearing entity and an axial hole, and is characterized in that it comprises a disassembly and assembly rod and a nut threadedly connected to the disassembly and assembly rod, and the disassembly and assembly rod passes through the mounting hole and the axial hole; the nut is arranged so that the disassembly and assembly rod can move axially when the nut is rotated; it also comprises an abutment member, which abuts against the bearing and is connected to the disassembly and assembly rod; the abutment member comprises a first abutment portion abutting against the inner wall of the axial hole, and a second abutment portion abutting against the side wall of the bearing entity.

[0009] Furthermore, the disassembly and assembly tool for the cam plate bearing provided by the utility model may also have the following characteristics: it also includes a support member, and the support member is arranged between the nut and the cam plate.

[0010] Furthermore, the disassembly and assembly tool for the cam disc bearing provided by the utility model may also have the following characteristics: the support member includes a top plate and a side plate; the top plate abuts against the nut and is provided with a first through hole for the disassembly and assembly rod to pass through, and the side plate abuts against the cam disc.

[0011] Furthermore, the disassembly and assembly tool for the cam plate bearing provided by the utility model may also have the following feature: the axis of the disassembly and assembly rod and the axis of the mounting hole are located on the same straight line.

[0012] Furthermore, the disassembly and assembly tool for the cam plate bearing provided by the utility model may also have the following feature: the diameter of the abutment piece is not larger than the inner diameter of the mounting hole.

[0013] Furthermore, the disassembly and assembly tool for the cam plate bearing provided by the utility model may also have the following characteristics: it also includes a fixing seat, a second through hole for the disassembly and assembly rod to pass through is provided in the middle of the fixing seat, and the fixing seat is connected to the abutment member.

[0014] Furthermore, the disassembly and assembly tool for the cam plate bearing provided by the utility model may also have the following characteristics: the nut and the fixing seat are respectively arranged at the two ends of the disassembly and assembly rod.

[0015] Furthermore, the disassembly and assembly tool for the cam plate bearing provided by the utility model may also have the following feature: the fixing seat and the abutment member are connected by a hole pin structure.

[0016] Furthermore, the disassembly and assembly tool for the cam plate bearing provided by the utility model may also have the following characteristics: the hole pin structure includes at least one pin head provided on the fixing seat, and at least one pin hole correspondingly provided on the abutment member.

[0017] Furthermore, the disassembly and assembly tool for the cam plate bearing provided by the utility model may also have the following feature: an anti-slip layer is provided on the outside of the disassembly and assembly rod.

[0018] The beneficial effects of the utility model are:

[0019] 1. In the present application, the axial movement of the disassembly rod is controlled by the nut, so that the disassembly rod drives the abutment connected thereto to move axially, thereby applying thrust to the bearing abutted by the abutment, pushing the bearing into or out of the mounting hole, and thus completing the disassembly and assembly of the bearing on the cam disc. Since the axial hole diameter of the cam disc bearing is relatively large and the bearing entity is relatively narrow, the abutment is configured as a structure composed of a first abutment portion and a second abutment portion. While the second abutment portion pushes the bearing entity, the first abutment portion provides support for the bearing entity from the inner wall of the axial hole, preventing the bearing from being subjected to unnecessary lateral force during the disassembly and assembly process, thereby ensuring the safety of disassembly and assembly and the integrity of the bearing.

[0020] 2. In the present application, a support member is further provided to limit the axial displacement of the nut when the nut is rotated, and to protect the cam disc to prevent the nut from directly abutting against the cam disc and causing damage to the cam disc.

[0021] 3. In the present application, a fixing seat with a hole-pin structure is provided to protect the cam disc, and at the same time, the fixing effect of the hole-pin structure is used to prevent the tooling as a whole from circumferential movement during the disassembly and assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings, which are incorporated into the specification and constitute a part of the specification, illustrate embodiments of the utility model and are used together with the description to explain the principles of the utility model. In these drawings, similar reference numerals are used to represent similar elements. The drawings described below are some embodiments of the utility model, rather than all embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A schematic diagram of installing a bearing according to an embodiment of the utility model;

[0024] Figure 2 This is a schematic diagram of disassembling a bearing according to an embodiment of the utility model.

[0025] In the figure:

[0026] 1. Nut; 2. Disassembly and assembly rod; 3. Support member; 41. Bearing entity; 42. Shaft hole; 5. Cam plate; 6. Hole pin structure; 7. Abutment member; 71. First abutment portion; 72. Second abutment portion; 8. Fixed seat. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The partial structure of the cam plate 5 is as follows Figure 1 As shown, it includes a cam plate 5 and a bearing, and a mounting hole for mounting the bearing is provided on the cam plate 5, and the bearing includes a bearing entity 41 and an axial hole 42. During disassembly, since the axial hole 42 has a larger aperture and the bearing entity 41 is narrower, it is difficult for conventional bearing disassembly and assembly tools to apply force to such bearings.

[0029] In order to solve the above problems, this embodiment provides a disassembly and assembly tool for the cam plate 5 bearing, see Figure 1 and Figure 2 The disassembly and assembly tool includes a disassembly and assembly rod 2 and a nut 1 threadedly connected to the disassembly and assembly rod 2, the disassembly and assembly rod 2 passes through the mounting hole and the shaft hole 42; the nut 1 is configured to rotate so that the disassembly and assembly rod 2 can move axially, specifically: one side of the nut 1 is directly abutted against the cam disc 5 or indirectly through other components, when the nut 1 is tightened toward the cam disc 5, the nut 1 is abutted against the stopper and cannot be displaced, and the disassembly and assembly rod 2 threadedly connected thereto will be exerted a force in the opposite direction by the threaded inclined surface, thereby causing axial displacement.

[0030] It also includes an abutment 7, which abuts against the bearing and is connected to the disassembly rod 2. When the disassembly rod 2 is axially displaced, it drives the abutment 7 to push the bearing into or out of the mounting hole to complete the disassembly of the bearing. To ensure the safety of disassembly and the integrity of the bearing, the abutment 7 includes a first abutment portion 71 abutting against the inner wall of the shaft hole 42 and a second abutment portion 72 abutting against the side wall of the bearing entity 41. Thus, while the second abutment portion 72 pushes the bearing entity 41 in the axial direction, the first abutment portion 71 provides support for the bearing entity 41 from the inner wall of the shaft hole 42 to prevent the bearing from being subjected to unnecessary lateral force during the disassembly process. In addition, to ensure that the disassembly rod 2 does not affect other components of the cam disc 5 when disassembling the bearing, it is preferred that the disassembly rod 2 and the axis of the mounting hole are located on the same straight line.

[0031] In some embodiments, Figure 1 As shown, the diameter of the abutment member 7 is preferably not larger than the inner diameter of the mounting hole, so as to ensure that the abutment member 7 can push the bearing out of the mounting hole of the cam plate 5 with a larger inner diameter.

[0032] In some embodiments, a support member 3 is further included, and the support member 3 is disposed between the nut 1 and the cam disc 5. As a further improvement of this embodiment, the support member 3 includes a top plate and a side plate; the top plate abuts against the nut 1 and is provided with a first through hole for the disassembly rod 2 to pass through, and the side plate abuts against the cam disc 5 to limit the axial displacement of the nut 1 when the nut 1 is rotated, and to protect the cam disc 5 to prevent the nut 1 from directly abutting against the cam disc 5 and causing damage to the cam disc 5.

[0033] In some embodiments, a fixing seat 8 is further included, a second through hole is provided in the middle of the fixing seat 8 for the disassembly rod 2 to pass through, and the fixing seat 8 is connected to the abutment member 7. As a further improvement of this embodiment, the nut 1 and the fixing seat 8 are respectively provided at both ends of the disassembly rod 2. While protecting the cam plate 5, the fixing effect of the fixing seat 8 keeps the disassembly tool from circumferential movement during the disassembly process.

[0034] To ensure that the fixing seat 8 and the abutment 7 are firmly and detachably connected, the fixing seat 8 and the abutment 7 are preferably connected via a pin-hole structure 6. In some specific embodiments, the pin-hole structure 6 includes at least one pin head provided on the fixing seat 8 and at least one pin hole provided on the abutment 7 accordingly.

[0035] In some embodiments, in order to make the disassembly rod 2 and the nut 1 fit more tightly and save more effort during use, the outside of the disassembly rod 2 is preferably provided with an anti-slip layer, which can be a surface-coated anti-slip material.

[0036] In some specific embodiments, the installation process of the cam plate 5 bearing disassembly and assembly tool for the bearing is as follows:

[0037] like Figure 1 As shown, when the bearing needs to be installed, firstly, the first abutting portion 71 is abutted against the inner wall of the shaft hole 42, and the second abutting portion 72 is abutted against the side wall of the bearing entity 41. Then, the disassembly rod 2 fixedly connected to the fixing seat 8 passes through the fixing seat 8 from right to left in sequence. Figure 1 The abutment 7, bearing, cam plate 5, and holes set on the support member 3 are arranged in the direction shown, and finally the nut 1 is screwed on. In this process, the pin head on the fixing seat 8 will be inserted into the pin hole on the abutment 7 for fixing. After completing the above steps, tighten the nut 1 with a wrench. Due to the existence of the support member 3, the nut 1 will not move to the right along the axial direction of the disassembly rod 2. The disassembly rod 2 obtains a leftward force from the threaded inclined surface, driving the abutment 7 to apply a leftward thrust to the bearing to push it into the installation hole. When the bearing is installed, remove the nut 1, and pass the disassembly rod 2 out to remove the entire disassembly tool.

[0038] In some specific embodiments, the disassembly process of the bearing by the disassembly and assembly tool for the cam plate 5 bearing is as follows:

[0039] like Figure 2 As shown in the figure, when the bearing needs to be disassembled, firstly, the first abutting portion 71 is abutted against the inner wall of the shaft hole 42, and the second abutting portion 72 is abutted against the side wall of the bearing entity 41. Then, the disassembly rod 2 fixedly connected to the fixing seat 8 passes through the fixing seat 8 from left to right in sequence. Figure 2 The abutment 7, cam plate 5, bearing, and support member 3 arranged in the direction shown are provided with holes thereon, and finally the nut 1 is screwed on. In this process, the pin head on the fixing seat 8 will be inserted into the pin hole on the abutment 7 for fixing. After completing the above steps, tighten the nut 1 with a wrench. Due to the existence of the support member 3, the nut 1 will not move to the left along the axial direction of the disassembly rod 2. The disassembly rod 2 will obtain a rightward force from the inclined surface of the nut 1, driving the abutment 7 to exert a rightward thrust on the bearing to push it out of the installation hole. When the bearing is completely disassembled, the nut 1 is removed, and the disassembly rod 2 is passed through to remove the entire disassembly tool.

[0040] The contents described above can be implemented individually or in combination in various ways, and these variations are all within the protection scope of the present utility model.

[0041] In the description of the invention, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.

[0042] In the description of the invention, it is also necessary to explain that the terms "center", "upper", "lower", "front", "back", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the invention. In the description of the invention, unless otherwise specified, "several" means two or more.

[0043] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementation methods, and the specific embodiments of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A disassembly and assembly tool for a cam plate (5) bearing, wherein the cam plate (5) is provided with a mounting hole for mounting the bearing, the bearing comprising a bearing body (41) and an axial hole (42), characterized in that: The invention comprises a disassembly rod (2) and a nut (1) threadedly connected to the disassembly rod (2), wherein the disassembly rod (2) passes through the mounting hole and the shaft hole (42); the nut (1) is arranged such that the rotation of the nut (1) can cause the disassembly rod (2) to move axially; and further comprises an abutment member (7), wherein the abutment member (7) abuts against the bearing and is connected to the disassembly rod (2); the abutment member (7) comprises a first abutment portion (71) abutting against the inner wall of the shaft hole (42) and a second abutment portion (72) abutting against the side wall of the bearing entity (41).

2. The disassembly and assembly tool for the cam plate (5) bearing according to claim 1, characterized in that: It also comprises a support member (3), wherein the support member (3) is arranged between the nut (1) and the cam plate (5).

3. The disassembly and assembly tool for the cam plate (5) bearing according to claim 2, characterized in that: The support member (3) comprises a top plate and a side plate; the top plate abuts against the nut (1) and is provided with a first through hole for the disassembly rod (2) to pass through; and the side plate abuts against the cam disc (5).

4. The disassembly and assembly tool for the cam plate (5) bearing according to claim 1, characterized in that: The disassembly rod (2) and the axis of the installation hole are located on the same straight line.

5. The disassembly and assembly tool for the cam plate (5) bearing according to claim 1, characterized in that: The diameter of the abutment member (7) is no greater than the inner diameter of the mounting hole.

6. The disassembly and assembly tool for the cam plate (5) bearing according to claim 1, characterized in that: It also comprises a fixing seat (8), a second through hole for the disassembly rod (2) to pass through is provided in the middle of the fixing seat (8), and the fixing seat (8) is connected to the abutment member (7).

7. The disassembly and assembly tool for the cam plate (5) bearing according to claim 6, characterized in that: The nut (1) and the fixing seat (8) are respectively arranged at two ends of the disassembly rod (2).

8. The disassembly and assembly tool for the cam plate (5) bearing according to claim 6, characterized in that: The fixing seat (8) and the abutment member (7) are connected via a hole pin structure (6).

9. The disassembly and assembly tool for the cam plate (5) bearing according to claim 8, characterized in that: The pin-hole structure (6) comprises at least one pin head provided on the fixing seat (8), and at least one pin hole correspondingly provided on the abutment member (7).

10. The disassembly and assembly tool for the cam plate (5) bearing according to any one of claims 1 to 9, characterized in that: The outside of the disassembly and assembly rod (2) is provided with an anti-slip layer.

Images