Special knife sharpening machine for slitting circular knife

Abstract

The utility model provides a special knife sharpening machine for a slitting circular knife, which relates to the technical field of knife sharpening machines and comprises a supporting plate, a working part is arranged above the supporting plate and comprises a moving disc, a first rotating motor, a pushing shell and a placing shell, the top end of the moving disc is connected with the bottom of the first rotating motor, and the top end of the moving disc is connected with the bottom of the first rotating motor. A second rotating motor fixed to the side wall of a supporting plate drives a threaded shaft to rotate, a moving disc moves along with rotation of the threaded shaft to drive a first rotating motor and a pushing shell to be close to or away from a containing shell, and when the first rotating motor and the pushing shell are close to or away from the containing shell, a to-be-machined circular knife can be locked to the outer wall of the containing shell; then a spring provides elastic force to eject a pushing column out of a groove of a fixing block, a grinding stone is attached to the outer wall of a knife edge of the to-be-machined circular knife, finally, a first rotating motor drives a pushing shell to drive a containing shell to rotate, rotation of the to-be-machined circular knife is achieved, the to-be-machined circular knife is continuously subjected to friction machining on the grinding stone, and the sharpness of the to-be-machined circular knife is adjusted; and materials can be conveniently cut.

Description

TECHNICAL FIELD

[0001] The utility model relates to a knife grinding machine technical field especially relates to a kind of longitudinal shear round knife grinding machine. BACKGROUND

[0002] Round knife refers to the blade mouth arc, more for circular and round concave mark, round knife transverse knife is more labor-saving, to the big fluctuation, small change can be adapted.

[0003] Such as the announcement No. CN215700233U a kind of round knife grinder, including rack, rack upper end fixed installation has platform, platform is provided with polishing mechanism, polishing mechanism includes drive assembly and grinding stone assembly, drive assembly can drive external round blade rotation, grinding stone assembly can be polished to external round blade.Polishing mechanism includes motor, motor is fixedly installed at the top of platform, the output shaft of motor is fixedly connected with connecting shaft, connecting shaft is fixedly installed with first disc, connecting shaft one end is sleeved with second disc, second disc is threadedly connected on connecting shaft, rotate the shaft and U-shaped frame on round knife disc, pull out grinding stone to the outside, make the gap between two grinding stones enough for round knife disc insertion, then release grinding stone, grinding stone is clamped round knife disc under the elastic force of spring, then start motor can drive connecting shaft rotation, to drive round knife disc and two grinding stones between friction, after polishing, the knife and new knife are identical, solve the problem of original use once and change.

[0004] But the existing round knife grinder in the round knife friction processing, need staff to twist round disc and lock round knife, not high in safety, round knife is put into the processing by the grinding block of two sides when, but the thickness of round knife is different, when fixing round knife, it cannot be ensured that round knife is in the grinding block between two sides, easy to cause the shift of round knife edge, affect the cutting quality of round knife, and the grinding stone of two sides is used for a long time, elastic element is inconsistent, cause the different pressure of round knife two sides, also can intensify the unevenness of round knife edge, for this, a kind of longitudinal shear round knife grinding machine is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of longitudinal shear round knife grinding machine, solve the staff of prior art need to twist round disc and lock round knife, not high in safety, round knife is put into the processing by the grinding block of two sides when, but the thickness of round knife is different, when fixing round knife, it cannot be ensured that round knife is in the grinding block between two sides, easy to cause the shift of round knife edge, affect the cutting quality of round knife, and the grinding stone of two sides is used for a long time, elastic element is inconsistent, cause the different pressure of round knife two sides, also can intensify the unevenness of round knife edge problem.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of special machine of longitudinal shear round knife grinding, including support plate, the top of support plate is provided with working part, and the working part includes moving disc, first rotating motor, push shell and placing shell, the top of moving disc is connected with the bottom of first rotating motor, and one end of first rotating motor is connected with push shell, and the inner wall of push shell is connected with the outer wall of placing shell.

[0007] Preferably, the working part further includes a threaded shaft and a stabilizing strip, the threaded shaft is connected with the support plate through the bottom of the moving disc, and the outer wall of the stabilizing strip is slidingly connected with the bottom of the moving disc.

[0008] Preferably, the stabilizing strips are symmetrically distributed on the surface of the support plate with respect to the axis direction of the threaded shaft.

[0009] Preferably, the placing shell is rotatably connected with a support rod on one side, and the appearance of the support rod is in the shape of "L".

[0010] Preferably, the top of the support plate is connected with the bottom of a protective cover, and the inner wall of the protective cover is fixedly connected with a grinding block component above.

[0011] Preferably, the grinding block component includes a fixed block, a spring, a push column, a connecting plate and a grinding stone, one end of the spring is connected with the push column, the other end is connected with the fixed block, and the connecting plate is fixedly connected with the push column on the inner side of the grinding stone.

[0012] Preferably, a groove is formed in the fixed block and is in abutment with the push column.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The second rotating motor fixed on the side wall of the support plate drives the threaded shaft to rotate, the moving disc moves along with the rotation of the threaded shaft, the first rotating motor and the push shell are driven to move close to or away from the placing shell, when moving close, the round knife to be processed can be locked on the outer wall of the placing shell, the spring provides elastic force to push the push column out of the groove in the fixed block, so that the grinding stone abuts against the outer wall of the cutting edge of the round knife to be processed, finally, the first rotating motor drives the push shell to rotate the placing shell, the rotation of the round knife to be processed is realized, the round knife to be processed is continuously ground and processed on the grinding stone, the sharpness of the round knife to be processed is adjusted, and the material is conveniently cut. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first perspective view of the overall structure of the special machine of longitudinal shear round knife grinding according to the utility model;

[0016] Figure 2 It is a second perspective view of the overall structure of the special machine of longitudinal shear round knife grinding according to the utility model;

[0017] Figure 3 A longitudinal shear round knife grinding special machine working component structure schematic view is provided for the utility model.

[0018] Figure 4 A longitudinal shear round knife grinding special machine grinding block component structure schematic view is provided for the utility model.

[0019] In the figure: 1, support plate; 2, working component; 21, moving disc; 22, threaded shaft; 23, second rotary motor; 24, first rotary motor; 25, push shell; 26, placing shell; 27, support rod; 28, stabilizing strip; 3, shield; 4, grinding block component; 41, fixed block; 42, spring; 43, push column; 44, connecting plate; 45, grinding stone; 5, round knife to be processed. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] As Figures 1-4 A longitudinal shear round knife grinding special machine is shown in the utility model, which comprises a support plate 1, a working component 2 is arranged above the support plate 1, the working component 2 comprises a moving disc 21, a threaded groove that is consistent with a threaded shaft 22 is formed in the bottom of the moving disc 21, the threaded shaft 22 penetrates through the inside of the support plate 1 and is fixedly connected with the output shaft of a second rotary motor 23, the end of the second rotary motor 23 is fixedly connected with the side wall of the support plate 1, and the threaded shaft 22 and the moving disc 21 constitute a spiral structure through the second rotary motor 23.

[0022] Among them, as Figure 3As shown, when the second rotary motor 23 drives the threaded shaft 22 to rotate, the movable disk 21 moves along the outer wall of the threaded shaft 22 in the groove of the support plate 1, which can push the circular knife. The top of the movable disk 21 is fixedly connected to the bottom of the first rotary motor 24, and the output shaft of the first rotary motor 24 extends into the interior of the pushing shell 25 and is fixedly connected to the pushing shell 25. The inner wall of the pushing shell 25 is provided with a groove that matches the placement shell 26. When the placement shell 26 is inserted into the groove of the pushing shell 25, the circular knife can be pushed to the side of the outer wall of the placement shell 26 to fix the circular knife, thereby reducing the space for staff to contact and placing The end of the placement shell 26 is rotatably connected to the support rod 27. When the first rotating motor 24 drives the pushing shell 25 to drive the placement shell 26 to rotate, the circular knife is driven to rotate to perform repair processing. The bottom end of the support rod 27 is fixedly connected to the surface of the support plate 1. The surface of the support plate 1 is fixedly connected to the stabilizing bar 28. The bottom of the movable disk 21 is provided with a sliding groove that matches the stabilizing bar 28, which is used to stabilize the moving direction of the movable disk 21 and reduce the phenomenon of movement shaking. The top of the support plate 1 is fixedly connected with a shield 3 to block the waste chips that are rubbed off and prevent them from splashing. A grinding block component 4 is provided above the inner wall of the shield 3.

[0023] Among them, such as Figure 4 As shown, the grinding block component 4 includes a fixed block 41, the top of the fixed block 41 is fixedly connected to the upper inner wall of the shield 3, the inner wall of the fixed block 41 is provided with a groove for accommodating a spring 42, one end of the spring 42 is fixedly connected to the inner wall of the fixed block 41, and the other end is fixedly connected to one end of a push column 43, the push column 43 is elastically connected to the fixed block 41 through the spring 42, and is used to provide a buffering force, and can be tightly attached to the cutting edge of the circular knife according to the thickness of the circular knife, the other end of the push column 43 is fixedly connected to the outer wall of the connecting plate 44, the outer wall of the connecting plate 44 is fixedly connected with a grindstone 45, and the grindstone 45 is connected to the push column 43 through the connecting plate 44.

[0024] Among them, such as Figure 1 As shown, the outer wall of the placement shell 26 is provided with a circular knife 5 to be processed, and the placement shell 26 is adapted to the size and dimension of the circular knife 5 to be processed.

[0025] During specific use: the threaded shaft 22 is driven to rotate by the second rotating motor 23 fixed to the side wall of the support plate 1, and the movable disk 21 moves with the rotation of the threaded shaft 22, driving the first rotating motor 24 and the pushing shell 25 to approach or move away from the placement shell 26. When approaching, the circular knife 5 to be processed can be locked on the outer wall of the placement shell 26, and then the spring 42 provides elastic force to push the pushing column 43 out of the groove of the fixed block 41, so that the grindstone 45 fits the outer wall of the blade of the circular knife 5 to be processed. Finally, the first rotating motor 24 drives the pushing shell 25 to drive the placement shell 26 to rotate, realizing the rotation of the circular knife 5 to be processed, so that the circular knife 5 to be processed is continuously rubbed on the grindstone 45, and the sharpness of the circular knife 5 to be processed is adjusted, which is convenient for cutting materials.

[0026] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A slitting circular knife sharpening machine, comprising a support plate (1), characterized in that: A working component (2) is provided above the support plate (1), and the working component (2) comprises a moving disk (21), a first rotating motor (24), a pushing shell (25) and a placing shell (26); the top of the moving disk (21) is connected to the bottom of the first rotating motor (24), one end of the first rotating motor (24) is connected to the pushing shell (25), and the inner wall of the pushing shell (25) is in contact with the outer wall of the placing shell (26).

2. The slitting circular knife sharpening machine according to claim 1, characterized in that: The working component (2) further comprises a threaded shaft (22) and a stabilizing bar (28); the threaded shaft (22) passes through the bottom of the movable disk (21) and is connected to the support plate (1); and the outer wall of the stabilizing bar (28) is slidably connected to the bottom of the movable disk (21).

3. The slitting circular knife sharpening machine according to claim 2, characterized in that: The stabilizing strips (28) are symmetrically distributed on the surface of the support plate (1) relative to the axial direction of the threaded shaft (22).

4. The slitting circular knife sharpening machine according to claim 3, characterized in that: One side of the placement shell (26) is rotatably connected to a support rod (27), and the support rod (27) has an "L" shape.

5. The slitting circular knife sharpening machine according to claim 1, characterized in that: The top of the support plate (1) is connected to the bottom of the shield (3), and a grinding block component (4) is fixedly connected above the inner wall of the shield (3).

6. The slitting circular knife sharpening machine according to claim 5, characterized in that: The grinding block component (4) comprises a fixed block (41), a spring (42), a push column (43), a connecting plate (44) and a grinding stone (45); one end of the spring (42) is connected to the push column (43), and the other end is connected to the fixed block (41); the connecting plate (44) is fixed on the inner side of the grinding stone (45) and connected to the push column (43).

7. The slitting circular knife sharpening machine according to claim 6, characterized in that: The interior of the fixing block (41) is provided with a groove which fits with the pushing column (43).

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