Thin blade taking protection device

Abstract

The utility model provides a thin blade taking protection device which comprises a baffle, a pressing clamping plate and a protection plate. The protection plate is detachably arranged at the bottom of the baffle, and a receding groove allowing a blade to be inserted therein is formed between the protection plate and the baffle. The pressing and clamping plate is elastically connected and hinged to the interior of the baffle, and a boss used for pressing the blade into the receding groove is arranged on the face, corresponding to the receding groove, of the pressing and clamping plate. According to the thin blade taking protection device, the blade clamping force is improved, the blade can be preliminarily positioned, and the scratching accident caused by blade replacement is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco machinery field, specifically speaking, relate to a thin knife piece take knife protection device. BACKGROUND

[0002] On the tobacco machinery equipment such as cigarette making machine, filter stick forming machine, composite filter stick forming machine, install a variety of different size blades, utilize the cutting edge of blade sharp to carry out high speed cutting cigarette or filter stick. Because of wear, broken blade, etc., the blade on the cutter head needs timely replacement within fixed time. But because the blade cutting edge is the part that is easy to scratch, in the process of dismounting and installing, although the operator wears gloves, but the accident of sharp blade cutting finger often occurs.

[0003] The utility model of a kind of hard alloy blade production is disclosed in the utility model announcement No.CN207932633U, and it is clamped and taken device, including fixed rod, the top of fixed rod is equipped with first installation slot, first installation slot is movably connected with battery, the side of first installation slot is equipped with control switch, control switch is embedded in the top of fixed rod, the bottom of the end of fixed rod away from first installation slot is equipped with second installation slot, the inner wall top of second installation slot is fixed with iron bar, the outside of iron bar is wound with wire, wire is adhered to the inner wall of second installation slot, the outer wall of the end of fixed rod close to iron bar is equipped with two symmetrical setting load plate, the end of load plate close to first installation slot is equipped with storage passage, the outer wall of fixed rod is slidably connected in storage passage, the side wall of load plate close to iron bar is equipped with storage slot.The hard alloy blade production clamped and taken device is designed by fixed rod, first installation slot, control switch, iron bar and wire, so that magnetic field is generated around wire and iron bar, which is convenient for the adsorption and fixation of blade, and the clamping of blade, which protects the staff from being scratched by the blade, especially suitable for clamping circular blade. However, the device relies on magnetic force for adsorption, and the clamping force is small and the blade cannot be preliminarily positioned during clamping. UTILITY MODEL CONTENT

[0004] In order to improve the clamping force of the blade and preliminarily position the blade during clamping, to avoid scratching during replacing the blade, the technical scheme adopted by the utility model is: a thin knife piece take knife protection device, including a baffle, a pressing clamping plate and a protective plate.

[0005] The protective plate is detachably arranged at the bottom of the baffle, and a gap slot for inserting the blade is formed between the protective plate and the baffle.

[0006] The pressing clamping plate is elastically connected and hinged in the interior of the baffle, and one side of the pressing clamping plate corresponding to the gap slot is provided with a boss for pressing the blade in the gap slot.

[0007] Based on the above, in order to facilitate the operation, the baffle is provided with a U-shaped installation cavity for installing the pressing and clamping plate, and the outer end of the pressing and clamping plate is rotatably connected to the baffle through a cylindrical pin.

[0008] Based on the above, in order to facilitate the insertion of the blade, one end of the guard plate and one end of the baffle are respectively provided with a notch, and the notches on the guard plate and the baffle form the accommodation groove.

[0009] Based on the above, in order to facilitate the insertion of the blade and enable the blade to be positioned, a backing plate is further arranged between the baffle and the guard plate, and the outer end of the backing plate is provided with a blade pressing and positioning groove for positioning the blade.

[0010] Based on the above, in order to facilitate the insertion of the blade, the outer end of the baffle and the outer end of the guard plate are respectively provided with a circular arc-shaped edge.

[0011] Based on the above, in order to facilitate the pressing of the pressing and clamping plate, the inner end of the pressing and clamping plate is provided with a pressing groove on the upper surface.

[0012] Based on the above, the lower surface of the pressing and clamping plate and the upper surface of the guard plate are respectively provided with a spring installation groove for installing the compression spring.

[0013] The thin-blade taking protection device has substantial features and progress compared with the prior art, and specifically, the thin-blade taking protection device integrates the pressing and clamping plate and the baffle into a lever mechanism through the compression spring and the cylindrical pin, and the baffle is provided with a boss on the bottom surface and the guard plate is arranged below the boss, so that the blade can be clamped between the boss and the guard plate by the pressing force of the lever mechanism, thereby improving the force during clamping of the blade and avoiding scratching of the blade.

[0014] Further, the side close to the blade of the baffle and the guard plate is provided with a circular arc, and the curvature of the circular arc is designed to be consistent with the outer circular arc of the thin-blade clamping frame, so that the thin-blade clamping frame can be attached during clamping of the blade, and the blade can be inserted as far as possible below the boss.

[0015] Further, the backing plate is arranged between the baffle and the guard plate, and the blade pressing and positioning groove is arranged on the backing plate, and the accommodation groove is arranged on the opposite surfaces of the baffle and the guard plate, so that a gap larger than the thickness of the blade can be formed between the baffle and the guard plate to facilitate insertion of the blade. Meanwhile, the blade can be preliminarily positioned by the blade pressing and positioning groove during clamping of the blade, so that the blade can be accurately located directly below the boss, thereby facilitating subsequent pulling operation. Meanwhile, the blade pressing and positioning groove can also preliminarily position the blade during installation of the blade, so that the blade can be easily installed on the thin-blade clamping frame.

[0016] Further, by selecting transparent organic glass to make the protection plate, whether the thin blade is in place when being inserted can be observed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the thin-blade taking protection device provided by the present application.

[0018] Figure 2 is a schematic diagram of the split structure of the thin-blade taking protection device provided by the present application.

[0019] Figure 3 is a schematic diagram of the pressing and clamping plate structure in the thin-blade taking protection device provided by the present application.

[0020] Figure 4 is a schematic diagram of the cross-sectional structure of the thin-blade taking protection device provided by the present application.

[0021] In the figure: 1, baffle; 2, pressing and clamping plate; 3, pressing groove; 4, first pin hole; 5, backing plate; 6, protection plate; 7, U-shaped installation cavity; 8, accommodation groove; 9, compression spring; 10, cylindrical pin; 11, blade pressing and positioning groove; 12, spring installation groove; 13, through hole; 14, boss; 15, second pin hole. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described in further detail below through specific embodiments.

[0023] Embodiment 1

[0024] The present embodiment provides a thin-blade taking protection device, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , which comprises a baffle 1, a pressing and clamping plate 2, and a protection plate 6. The protection plate 6 is detachably arranged at the bottom of the baffle 1. The protection plate 6 and the baffle 1 form an accommodation groove 8 for inserting a blade. The pressing and clamping plate 2 is elastically connected and hinged inside the baffle 1. One side of the pressing and clamping plate 2 corresponding to the accommodation groove 8 is provided with a boss 14 for pressing the blade in the accommodation groove 8.

[0025] In this embodiment, in order to facilitate operation, the baffle 1 is provided with a U-shaped mounting cavity 7 for mounting the pressing and clamping plate 2. The outer end of the pressing and clamping plate 2 is rotatably connected with the baffle 1 through a cylindrical pin 10. A compression spring 9 for resetting the pressing and clamping plate 2 is arranged between the pressing and clamping plate 2 and the protective plate 6. The U-shaped mounting cavity 7 is provided with a first pin hole 4 for mounting the cylindrical pin 10. The boss 14 is provided with a second pin hole 15 for the cylindrical pin 10.

[0026] The lower surface of the pressing and clamping plate 2 and the upper surface of the protective plate 6 are respectively provided with a spring mounting groove 12 for mounting the compression spring 9.

[0027] Embodiment 2

[0028] The main difference between the thin-blade taking protection device and the embodiment 1 is that, in this embodiment, in order to facilitate the insertion of the blade, one end of the protective plate 6 and one end of the baffle 1 are respectively provided with a notch, and the notch on the protective plate 6 and the notch on the baffle 1 form the accommodation groove 8.

[0029] Embodiment 3

[0030] The main difference between the thin-blade taking protection device and the embodiment 1 is that, in this embodiment, in order to facilitate the insertion of the blade and to be able to position the blade, a backing plate 5 is further arranged between the baffle 1 and the protective plate 6. The outer end of the backing plate 5 is provided with a blade clamping positioning groove 11 for positioning the blade. The backing plate 5 is provided with a through hole 13 for the compression spring.

[0031] Embodiment 4

[0032] The main difference between the thin-blade taking protection device and the embodiment 1 is that, in this embodiment, in order to facilitate the insertion of the blade, the outer end of the baffle 1 and the outer end of the protective plate 6 are respectively provided with a circular-arc-shaped edge.

[0033] Embodiment 5

[0034] The main difference between the thin-blade taking protection device and the embodiment 1 is that, in this embodiment, in order to facilitate the pressing of the pressing and clamping plate, the inner end of the pressing and clamping plate 2 is provided with a pressing groove 3 on the upper surface.

[0035] Specifically, the specific operation steps of the thin-blade taking protection device are as follows:

[0036] First, when disassembling the blade on the cutter head, the thin blade taking protection device is pushed to the worn blade, the blade is inserted into the gap between the baffle and the clamping frame on the cutter head body and positioned accurately, and the clamping pin on the cutter head body is pressed down with a screwdriver. At the same time, the pressing clamping plate in the thin blade taking protection device is pressed, at this time the pressing clamping plate will rotate around the cylindrical pin, and the blade is clamped by the boss on the pressing clamping plate. Finally, the thin blade taking protection device is pulled out together with the worn blade, the pressing clamping plate is loosened, and the worn blade is disassembled from the device.

[0037] When installing the blade, first, the new blade is inserted into the blade top clamping positioning groove on the pad and clamped tightly, and the pressing clamping plate is pressed to clamp the new blade. Then, the clamping pin on the cutter head is pressed down with a screwdriver, and the new blade is pushed into the blade installation position on the cutter head together with the thin blade taking protection device as far as possible to ensure the distance of the blade extending out of the cutter head. Finally, the pressing clamping plate is loosened, the thin blade taking protection device is removed, and the installation of the new blade is completed.

[0038] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application and not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.

Claims

1. A thin blade take-off guard characterized by: The baffle, the pressing clamping plate and the protection plate are included. The protection plate is detachably arranged at the bottom of the baffle, and a gap slot for inserting a blade is formed between the protection plate and the baffle. The pressing clamping plate is elastically connected and hinged in the inside of the baffle, and a convex platform for pressing the blade in the gap slot is arranged on one side of the pressing clamping plate corresponding to the gap slot.

2. The thin blade take down protection device of claim 1, wherein: A U-shaped installation cavity for installing the pressing clamping plate is arranged on the baffle, the outer end of the pressing clamping plate is rotatably connected with the baffle through a cylindrical pin, and a compression spring for resetting the pressing clamping plate is arranged between the pressing clamping plate and the protection plate.

3. The thin blade take down protection device of claim 1 or 2, wherein: A notch is arranged on one end of the protection plate and one end of the baffle respectively, and the notches on the protection plate and the baffle jointly form the gap slot.

4. The thin blade take down protection device of claim 1 or 2, wherein: A backing plate is further arranged between the baffle and the protection plate, and a blade pressing positioning slot for positioning the blade is arranged on the outer end of the backing plate.

5. The thin blade take down protection device of claim 1, wherein: The outer end of the baffle and the outer end of the protection plate are respectively provided with a circular arc-shaped edge.

6. The thin blade take down protection device of claim 1 or 2 or 5, wherein: A pressing groove is arranged on the upper surface of the inner end of the pressing clamping plate.

7. The thin insert tool protection device of claim 2, wherein: Spring installation grooves for installing the compression spring are respectively arranged on the lower surface of the pressing clamping plate and the upper surface of the protection plate.

Images