Safety locking device for cutter head protective cover of cigarette making machine

By designing the safety locking device of the cigarette machine knife head protective cover, and using the clamping mechanism between the locking buckle and the fixing part, the problem of the protective cover popping out by itself is solved, the safety and equipment stability are improved, and mechanical damage is reduced. Operational risk.

CN222322824UActive Publication Date: 2025-01-10CHINA TOBACCO HENAN IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420669273.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2025-01-10
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

After long-term use of the existing cigarette machine tool head protective cover, due to the attenuation of spring stiffness and strength, and the wear of the connecting rod and support hole, the protective cover is prone to pop open on its own, which poses a major safety hazard.

Method used

A safety locking device for the cigarette machine knife head protective cover is designed, including a fixing member, a locking assembly and a rotating handle. The protective cover is locked on the cigarette machine through a locking snap. It uses 40cr alloy steel Material to improve deformation resistance.

Benefits of technology

It effectively prevents the protective cover from bounces off on its own when the equipment is running, improves the safety of operators, reduces damage to the equipment and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222322824U_ABST
    Figure CN222322824U_ABST
Patent Text Reader

Abstract

The utility model discloses a safe locking device for a cutter head protective cover of a cigarette making machine, which is arranged on the cigarette making machine and comprises a fixing piece, a locking piece and a locking piece, the locking assembly comprises a locking buckle, a connecting rod and a rotating handle, the rotating handle is connected with the first end of the connecting rod, the connecting rod penetrates through the protective cover, the second end of the connecting rod is connected with the locking buckle, and the locking buckle is connected with the fixing piece in a clamped mode so that the protective cover can be locked on the cigarette making machine. When the protective cover needs to be locked, an operator acts on the rotating handle, the rotating handle rotates to drive the connecting rod to rotate, the connecting rod rotates to drive the locking buckle to rotate, the locking buckle is connected with the fixing piece in a clamped mode, and then the protective cover is locked on the cigarette making machine. The problem that the protective cover bounces off automatically due to vibration generated during running of the cigarette making machine is solved, and personal safety of operators is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette machinery and equipment, and more specifically to a safety locking device for a cutter head protective cover of a cigarette making machine. Background Art

[0002] In the existing technical field of tobacco rolling and connecting machine equipment, the YJ19 cigarette making machine is usually used to produce cigarettes, which is widely used in domestic cigarette factories. The rolling and connecting machine is mainly composed of a feeding part, a rolling and forming machine part and a filter cigarette connecting part. When the YJ19 cigarette making machine is in operation, the cutter head protection device of the cigarette making machine must be closed, otherwise the equipment will not be able to operate normally. At present, the cutter head protection device is usually locked by a stretching embedded locking method, which specifically includes a handle, a spring, a connecting rod and a support. Before the equipment is operated, press down the cutter head protection cover of the cigarette making machine, pull the handle, so that the end of the connecting rod is embedded in the support, and the cutter head protection device of the cigarette making machine is closed. When opening the cutter head protection device of the cigarette making machine, pull the handle, the spring is compressed and exerts force backward, the connecting rod moves backward from the support hole, and the cutter head protection cover is pulled upward to open normally.

[0003] However, due to long-term use, the stiffness and strength of the spring will decay and continue to decrease, affecting the working performance and failing to bear the force normally. The connecting rod and the support hole will wear and deform due to long-term contact. The end of the connecting rod will wear and become thinner, and the support hole will become larger and cannot be tightly embedded and locked. This will cause the blade guard to pop open automatically when vibration occurs during the operation of the equipment, which poses a great safety hazard and endangers the personal safety of the operator.

[0004] Therefore, how to provide a safety locking device for the cutter head protective cover of a cigarette making machine has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] One purpose of the utility model is to provide a new technical solution for a safety locking device of a cutter head protective cover of a cigarette making machine.

[0006] According to a first aspect of the utility model, a safety locking device for a cutter head protective cover of a cigarette making machine is provided, wherein the safety locking device is arranged on the cigarette making machine, and the safety locking device comprises: a fixing member, wherein the fixing member is fixed on the cigarette making machine;

[0007] A locking assembly, the locking assembly includes a locking buckle, a connecting rod and a rotating handle, the rotating handle is connected to the first end of the connecting rod, the connecting rod passes through the protective cover, and the second end of the connecting rod is connected to the locking buckle, the locking buckle is engaged with the fixing member to lock the protective cover on the cigarette making machine.

[0008] Optionally, the fixing member includes a connecting bracket and a locking block, the first end of the connecting bracket is connected to the cigarette making machine, the second end of the connecting bracket is connected to the locking block, and the locking buckle is clamped with the locking block.

[0009] Optionally, the locking block has a V-shaped notch, and the locking buckle is inserted into the V-shaped notch.

[0010] Optionally, a first fixing hole is provided on the connecting bracket, and a second fixing hole is correspondingly provided on the cigarette making machine, and the connecting bracket is fixed to the cigarette making machine by installing fastening bolts in the first fixing hole and the second fixing hole.

[0011] Optionally, the locking buckle includes a connecting plate and a snap-on plate, the width of the snap-on plate is greater than the width of the connecting plate, the first end of the connecting plate is connected to the second end of the connecting rod, and the second end of the connecting plate is connected to the snap-on plate.

[0012] Optionally, the connecting plate has a threaded hole, the second end of the connecting rod is provided with an external thread, and the second end of the connecting rod is threadedly connected to the threaded hole.

[0013] Optionally, the rotating handle includes a fixed block and a rotating plate, the first end of the fixed block is connected to the first end of the connecting rod, and the second end of the fixed block is connected to the middle position of the rotating plate.

[0014] Optionally, the fixing part, locking buckle and rotating handle are made of 40cr alloy steel.

[0015] The beneficial effects of the utility model are:

[0016] The utility model fixes the fixing part on the cigarette making machine, connects the rotating handle with the first end of the connecting rod, the connecting rod penetrates the protective cover, and the second end of the connecting rod is connected with the locking buckle, and the locking buckle is engaged with the fixing part to lock the protective cover on the cigarette making machine. When the protective cover needs to be locked, the operator acts on the rotating handle, and the rotating handle rotates to drive the connecting rod to rotate, and the connecting rod rotates to drive the locking buckle to rotate, so that the locking buckle is engaged with the fixing part, and then the protective cover is locked on the cigarette making machine, which solves the problem that the protective cover automatically pops open due to vibration generated during the operation of the cigarette making machine, and provides protection for the personal safety of the operator.

[0017] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0019] Figure 1 This is a structural diagram of the safety locking device for the cutter head protective cover of a cigarette making machine of the utility model;

[0020] Figure 2 This is a structural diagram of the safety locking device of the cutter head protective cover of the cigarette making machine of the utility model from another angle;

[0021] Figure 3 This is a structural diagram of the fixing member of the utility model;

[0022] Figure 4 This is a structural diagram of the rotating handle of the utility model;

[0023] Figure 5 It is a structural diagram of the locking buckle of the utility model.

[0024] The markings in the figure are as follows: 1. Fixing piece; 11. Connecting bracket; 12. Locking block; 13. V-shaped notch; 14. First fixing hole; 2. Locking assembly; 21. Locking buckle; 211. Connecting plate; 212. Snap-on plate; 213. Threaded hole; 22. Connecting rod; 23. Rotating handle; 231. Fixing block; 232. Rotating plate; 3. Cigarette making machine; 4. Protective cover. DETAILED DESCRIPTION

[0025] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0026] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0027] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0028] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0029] like Figures 1 to 5 As shown, an embodiment of the utility model provides a safety locking device for a cutter head protective cover of a cigarette making machine. The safety locking device is arranged on a cigarette making machine 3 , and the safety locking device comprises: a fixing member 1 and a locking assembly 2 .

[0030] The fixing member 1 is fixed on the cigarette making machine 3, and the fixing member 1 is used to cooperate with the locking assembly 2 to fix the protective cover 4 on the cigarette making machine 3. It should be noted that when the cigarette making machine 3 starts to work, the protective cover 4 needs to be locked to avoid the problem that the cutter head of the cigarette making machine 3 is exposed in the working state and easily causes injuries to the operator. When the cutter head of the cigarette making machine 3 needs to be cleaned or repaired, the protective cover 4 is separated from the cigarette making machine 3, and then the operator opens the protective cover 4.

[0031] The locking assembly 2 includes a locking buckle 21, a connecting rod 22 and a rotating handle 23. The rotating handle 23 is connected to the first end of the connecting rod 22. The connecting rod 22 passes through the protective cover 4. The second end of the connecting rod 22 is connected to the locking buckle 21. The locking buckle 21 is clamped with the fixing member 1 to lock the protective cover 4 on the cigarette making machine 3.

[0032] When the protective cover 4 needs to be locked, the operator acts on the rotating handle 23 to press the protective cover 4 downward (toward the direction of the cigarette making machine), and at the same time, the connecting rod 22 is driven to rotate by rotating the rotating handle 23 in the forward direction. The rotation of the connecting rod 22 drives the locking buckle 21 to rotate, so that the locking buckle 21 is engaged with the fixing part 1, and then the protective cover 4 is locked on the cigarette making machine 3. Then, the operator controls the cigarette making machine 3 to start working.

[0033] When it is necessary to open the protective cover 4, the operator controls the handle 23 to rotate in the opposite direction to rotate the connecting rod 22. The rotation of the connecting rod 22 drives the locking buckle 21 to rotate and disengage from the fixing member 1. Then the operator lifts the protective cover 4 to open the protective cover 4 of the cigarette making machine 3.

[0034] It should be noted that the above-mentioned "forward rotation" and "reverse rotation" are only based on Figure 1 The description of the position of the safety locking device of the cutter head protective cover of the cigarette making machine is not intended to limit the utility model and its application or use. In addition, the clamping method of the locking buckle 21 and the fixing member 1 is not limited here.

[0035] The utility model fixes the fixing member 1 on the cigarette making machine 3, the rotating handle 23 is connected to the first end of the connecting rod 22, the connecting rod 22 penetrates the protective cover 4, and the second end of the connecting rod 22 is connected to the locking buckle 21, and the locking buckle 21 is engaged with the fixing member 1, so as to lock the protective cover 4 on the cigarette making machine 3. When the protective cover 4 needs to be locked, the operator acts on the rotating handle 23, and the rotating handle 23 rotates to drive the connecting rod 22 to rotate, and the connecting rod 22 rotates to drive the locking buckle 21 to rotate, so that the locking buckle 21 is engaged with the fixing member 1, and then the protective cover 4 is locked on the cigarette making machine 3, which solves the problem that the protective cover 4 automatically pops open due to vibration generated during the operation of the cigarette making machine 3, and provides protection for the personal safety of the operator.

[0036] Further, such as Figure 1 , Figure 2 and Figure 4 As shown, the rotating handle 23 includes a fixed block 231 and a rotating plate 232. The first end of the fixed block 231 is connected to the first end of the connecting rod 22, and the second end of the fixed block 231 is connected to the middle position of the rotating plate 232. By rotating the rotating plate 232, the fixed block 231 is driven to rotate, thereby rotating the connecting rod 22 and the locking buckle 21, so that the locking buckle 21 is engaged with the fixing member 1.

[0037] Specifically, the rotating plate 232 is arranged in parallel with the locking buckle 21 , and the projection of the rotating plate 232 falls on the locking buckle 21 , and the projection of the rotating plate 232 is parallel with the locking buckle 21 .

[0038] When the protective cover 4 needs to be locked, the operator acts on the rotating handle 23 to press the protective cover 4 downward (toward the direction of cigarette feeding), and at the same time rotates the rotating plate 232 to keep the rotating plate 232 parallel to the fixed block 231. At this time, the locking buckle 21 rotates and engages with the fixing part 1, thereby locking the protective cover 4 on the cigarette making machine 3.

[0039] In one embodiment of the safety locking device for the cutter head protective cover of a cigarette making machine of the utility model, as Figures 1 to 3 As shown, the fixing member 1 includes a connecting bracket 11 and a locking block 12 . The first end of the connecting bracket 11 is connected to the cigarette making machine 3 , the second end of the connecting bracket 11 is connected to the locking block 12 , and the locking buckle 21 is engaged with the locking block 12 .

[0040] The utility model increases the stability of fixing the fixing member 1 on the cigarette making machine 3, and also ensures the stability of the connection between the fixing block 231 and the locking buckle 21, thereby further improving the locking effect of the protective cover 4, by connecting the first end of the connecting bracket 11 to the cigarette making machine 3, connecting the second end of the connecting bracket 11 to the locking block 12, and locking the locking buckle 21 to the locking block 12.

[0041] In one embodiment of the safety locking device for the cutter head protective cover of a cigarette making machine of the utility model, a V-shaped notch 13 is provided on the locking block 12 , and a locking buckle 21 is inserted into the V-shaped notch 13 .

[0042] In this embodiment, the height of the V-shaped notch 13 is greater than the thickness of the locking buckle 21, so that the locking buckle 21 can be smoothly inserted into the V-shaped notch 13. It should be noted that when the locking buckle 21 is inserted into the V-shaped notch 13, the locking buckle 21 can move up and down and left and right in the V-shaped notch 13.

[0043] In one embodiment of the safety locking device for the cutter head protective cover of a cigarette making machine of the utility model, as Figures 1 to 5 As shown, the connecting bracket 11 is provided with a first fixing hole 14, and the cigarette making machine 3 is correspondingly provided with a second fixing hole (not shown in the figure). The connecting bracket 11 is fixed to the cigarette making machine 3 by installing fastening bolts in the first fixing hole 14 and the second fixing hole.

[0044] The utility model provides a first fixing hole 14 on the connecting bracket 11 and a corresponding second fixing hole on the cigarette making machine 3, and fixes the connecting bracket 11 on the cigarette making machine 3 by installing fastening bolts in the first fixing hole 14 and the second fixing hole, thereby further increasing the stability of the connecting bracket 11 fixed to the cigarette making machine 3.

[0045] In one embodiment of the safety locking device for the cutter head protective cover of a cigarette making machine of the utility model, as Figure 1 , Figure 2 and Figure 5 As shown, the locking buckle 21 includes a connecting plate 211 and a snap-on plate 212 , the width of the snap-on plate 212 is greater than the width of the connecting plate 211 , the first end of the connecting plate 211 is connected to the second end of the connecting rod 22 , and the second end of the connecting plate 211 is connected to the snap-on plate 212 .

[0046] In this embodiment, the width of the clamping plate 212 is smaller than the width of the V-shaped notch 13 , and the length of the clamping plate 212 is smaller than the length of the V-shaped notch 13 .

[0047] The utility model sets the width of the clamping plate 212 to be greater than the width of the connecting plate 211, the first end of the connecting plate 211 is connected to the second end of the connecting rod 22, and the second end of the connecting plate 211 is connected to the clamping plate 212, so that the anti-slip performance is strong, the connecting plate 211 and the V-shaped notch 13 are in a fitting state, the fitting area is large, the stability of the clamping plate 212 inserted into the V-shaped notch 13 is increased, and the personal safety of the operator is guaranteed.

[0048] In one embodiment of the safety locking device for the cutter head protective cover of a cigarette making machine of the utility model, as Figure 1 , Figure 2 and Figure 5 As shown, a threaded hole 213 is provided on the connecting plate 211 , an external thread is provided on the second end of the connecting rod 22 , and the second end of the connecting rod 22 is threadedly connected to the threaded hole 213 .

[0049] In this embodiment, both ends of the connecting plate 211 can be fastened with fixing nuts to avoid the problem of direct relative movement between the connecting rod 22 and the connecting plate 211 when the connecting rod 22 drives the connecting plate 211 to rotate after the connecting plate 211 is installed on the connecting rod 22.

[0050] The utility model provides a threaded hole 213 on the connecting plate 211 and an external thread on the second end of the connecting rod 22, so that the second end of the connecting rod 22 is threadedly connected to the threaded hole 213, further ensuring the stability of the connection between the connecting plate 211 and the connecting rod 22.

[0051] In one embodiment of the safety locking device for the cutter head protective cover of the cigarette making machine of the utility model, the fixing part 1, the locking buckle 21 and the rotating handle 23 are made of 40cr alloy steel. By making the fixing part 1, the locking buckle 21 and the rotating handle 23 all made of 40cr alloy steel, the deformation resistance of the fixing part 1, the locking buckle 21 and the rotating handle 23 is increased, ensuring that the fixing part 1, the locking buckle 21 and the rotating handle 23 do not deform during use, thereby making the fixing part 1 and the locking buckle 21 always vertical and firmly connected, eliminating the possibility of the fixing part 1 and the locking buckle 21 slipping off.

[0052] The utility model of the cigarette making machine cutter head protective cover safety locking device has a simple structure, low manufacturing cost and stable use effect. After the protective cover 4 is locked on the cigarette making machine 3 by the locking device, the occurrence of personal injury accidents is eliminated, the occurrence of damage accidents to the mechanical components of the equipment is reduced, the operator can operate the equipment with peace of mind, and the work efficiency is further improved, which has high practical value.

[0053] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A safety locking device for a cutter head protective cover of a cigarette making machine, characterized in that: The safety locking device is arranged on the cigarette making machine, and the safety locking device comprises: a fixing member, and the fixing member is fixed on the cigarette making machine; A locking assembly, the locking assembly includes a locking buckle, a connecting rod and a rotating handle, the rotating handle is connected to the first end of the connecting rod, the connecting rod passes through the protective cover, and the second end of the connecting rod is connected to the locking buckle, the locking buckle is engaged with the fixing member to lock the protective cover on the cigarette making machine.

2. The cigarette making machine cutter head protective cover safety locking device according to claim 1, characterized in that: The fixing member comprises a connecting bracket and a locking block, the first end of the connecting bracket is connected to the cigarette making machine, the second end of the connecting bracket is connected to the locking block, and the locking buckle is clamped with the locking block.

3. The cigarette making machine cutter head protective cover safety locking device according to claim 2, characterized in that: The locking block is provided with a V-shaped notch, and the locking buckle is inserted into the V-shaped notch.

4. The safety locking device for the cutter head protective cover of a cigarette making machine according to claim 2, characterized in that: The connecting bracket is provided with a first fixing hole, and the cigarette making machine is correspondingly provided with a second fixing hole. The connecting bracket is fixed to the cigarette making machine by installing fastening bolts in the first fixing hole and the second fixing hole.

5. The cigarette making machine cutter head protective cover safety locking device according to claim 1, characterized in that: The locking buckle includes a connecting plate and a clamping plate, the width of the clamping plate is greater than the width of the connecting plate, the first end of the connecting plate is connected to the second end of the connecting rod, and the second end of the connecting plate is connected to the clamping plate.

6. The cigarette making machine cutter head protective cover safety locking device according to claim 5, characterized in that: The connecting plate is provided with a threaded hole, the second end of the connecting rod is provided with an external thread, and the second end of the connecting rod is threadedly connected to the threaded hole.

7. The cigarette making machine cutter head protective cover safety locking device according to claim 1, characterized in that: The rotating handle comprises a fixed block and a rotating plate, wherein a first end of the fixed block is connected to a first end of the connecting rod, and a second end of the fixed block is connected to a middle position of the rotating plate.

8. The cigarette making machine cutter head protective cover safety locking device according to claim 1, characterized in that: The fixing part, locking buckle and rotating handle are made of 40cr alloy steel.