Double-end knife sharpening equipment

Abstract

The utility model belongs to the technical field of knife sharpening equipment, and particularly relates to double-head knife sharpening equipment which comprises a rack and a bidirectional output shaft motor arranged on the rack, one output end of the bidirectional output shaft motor is sleeved with a grinding wheel, the other output end of the bidirectional output shaft motor is sleeved with a driving wheel, the rack is rotationally connected with a driven wheel and a tensioning wheel, and the driven wheel and the tensioning wheel are arranged on the rack. The tensioning wheel can move relative to the machine frame, and an abrasive belt is arranged among the driving wheel, the driven wheel and the tensioning wheel in a sleeved mode. The two-way sharpening machine is simple in structure, reasonable in design and wide in applicability, the two-way output shaft motor is adopted as a power source to drive the grinding wheel and the abrasive belt to conduct sharpening operation, the two sharpening functions are integrated, the equipment cost is effectively reduced, and the occupied space is small.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of knife sharpening equipment, and particularly relates to a double-head knife sharpening equipment. BACKGROUND

[0002] In the field of tool machining and maintenance, grinding is a key process for restoring the sharpness and geometric accuracy of tools. Among them, the grinding wheel (such as an aluminum oxide or silicon carbide grinding wheel) is suitable for precision grinding of white steel knives, hard alloy tools and other materials due to its high hardness characteristics; and the abrasive belt grinding is more suitable for medium and high efficiency rough grinding and fine grinding of ordinary carbon steel blades, kitchen knives and the like due to its flexible contact and fast heat dissipation characteristics.

[0003] However, the existing knife sharpening machine has a single function, and two sets of equipment, i.e., a grinding wheel grinding machine and an abrasive belt grinding machine, need to be purchased when different tools are processed, which is high in equipment cost and large in space occupation. SUMMARY

[0004] The utility model aims at providing a double-head knife sharpening equipment, which adopts a bidirectional output shaft motor as a power source to drive a grinding wheel and an abrasive belt to perform knife sharpening operation, integrates two knife sharpening functions, and effectively reduces equipment cost and occupies small space.

[0005] The utility model is implemented as follows:

[0006] A double-head knife sharpening equipment comprises a rack and a bidirectional output shaft motor arranged on the rack, one output end of the bidirectional output shaft motor is sleeved with a grinding wheel, the other output end is sleeved with a driving wheel, a driven wheel and a tension pulley are rotationally connected to the rack, the tension pulley can displace relative to the rack, and the driving wheel, the driven wheel and the tension pulley are sleeved with an abrasive belt.

[0007] In the double-head knife sharpening equipment, an adjusting slot is vertically arranged on the rack, the tension pulley is rotationally connected to one end of an adjusting shaft, the other end of the adjusting shaft is slidingly fitted in the adjusting slot, and the adjusting shaft is fixed relative to the adjusting slot through a locking assembly.

[0008] In the double-head knife sharpening equipment, the locking assembly comprises a locking nut screwed on the corresponding end of the adjusting shaft, the adjusting shaft is a stepped shaft and comprises a large ring part and a small ring part, a positioning step is formed between the large ring part and the small ring part, the small ring part penetrates through the adjusting slot and is screw-fitted with the locking nut, and a locking distance for clamping the racks on both sides of the adjusting slot is formed between the locking nut and the positioning step.

[0009] In the double-head knife sharpening equipment, a knife sharpening table plate is arranged on the rack, a connecting end of the knife sharpening table plate is connected to the rack, the other end is a free end and is located on the inner ring side of the abrasive belt, and the inner ring wall of the abrasive belt and the free end of the knife sharpening table plate are in dynamic friction fit.

[0010] In the double-head knife sharpening device, the connecting end of the sharpening platform has a folded plate part arranged along the axial direction perpendicular to the bidirectional output shaft motor, and an open through slot is formed in one side of the folded plate part, and the tail end of the assembly bolt penetrates through the open through slot and the rack and is screwed with the assembly nut.

[0011] In the double-head knife sharpening device, the left and right ends of the driving wheel and the driven wheel extend outward along the radial direction to form limiting protrusions, and the abrasive belt is located between the two limiting protrusions of the same driving wheel.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses simple structure, reasonable in design and wide suitability, adopt bidirectional output shaft motor as power source, to drive abrasive wheel and abrasive belt respectively and carry out knife sharpening operation, two kinds of knife sharpening functions are integrated, effectively reduce equipment cost and small occupied space. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole machine perspective drawing of the utility model.

[0015] In the drawing: 1, rack;2, bidirectional output shaft motor;3, abrasive wheel;4, driving wheel;5, driven wheel;6, tension pulley;7, abrasive belt;8, adjusting strip hole;9, adjusting shaft;10, sharpening platform;11, folded plate part;12, assembly bolt;13, limiting protrusion. CONCRETE IMPLEMENTATION

[0016] The utility model will be further described in the specific embodiment, refer to Figure 1 :

[0017] A double-head knife sharpening device, including rack 1 and setting up bidirectional output shaft motor 2 on rack 1, one output end of bidirectional output shaft motor 2 is equipped with abrasive wheel 3, and another output end is equipped with driving wheel 4, and driving wheel 4 is equipped with driven wheel 5 and tension pulley 6 on rack 1, and tension pulley 6 can displace relative to rack 1, and driving wheel 4, driven wheel 5 and tension pulley 6 are equipped with abrasive belt 7.

[0018] The utility model discloses simple structure, reasonable in design and wide suitability, adopt bidirectional output shaft motor 2 as power source, to drive abrasive wheel 3 and abrasive belt 7 respectively and carry out knife sharpening operation, two kinds of knife sharpening functions are integrated, effectively reduce equipment cost and small occupied space.

[0019] In order to adjust the position of the tensioning wheel 6, the tensioning wheel 6 can be driven by a motor and a screw rod to adjust the position electrically, and in the embodiment, the specific mechanism of the tensioning wheel 6 is that the rack 1 is provided with an adjusting slot 8 in the vertical direction, the tensioning wheel 6 is rotatably connected to one end of an adjusting shaft 9, the other end of the adjusting shaft 9 is slidably fitted in the adjusting slot 8, and the adjusting shaft 9 is fixed relative to the adjusting slot 8 by a locking assembly.

[0020] In addition, the locking assembly can be a screw rod rotatably fitted on the rack 1 along the length direction of the adjusting slot 8, the tail of the screw rod is screw-fitted with the adjusting shaft 9, and the position of the adjusting shaft 9 is adjusted by screwing the screw rod. In the embodiment, the locking assembly includes a locking nut screw-fitted on the corresponding end of the adjusting shaft 9, the adjusting shaft 9 is a stepped shaft and includes a large ring part and a small ring part, the positioning step is formed between the large ring part and the small ring part, the small ring part penetrates the adjusting slot 8 and is screw-fitted with the locking nut, and the locking nut and the positioning step form a locking distance for clamping the rack 1 on both sides of the adjusting slot 8.

[0021] Furthermore, in order to facilitate the grinding of the blade on the abrasive belt 7, the rack 1 is provided with a grinding table 10, the connecting end of the grinding table 10 is connected to the rack 1, the other end is a free end and is located on the inner ring side of the abrasive belt 7, and the inner ring wall of the abrasive belt 7 and the free end of the grinding table 10 are dynamically frictionally fitted.

[0022] At the same time, in order to adjust the position of the grinding table 10 relative to the abrasive belt 7, the connecting end of the grinding table 10 is provided with a folding plate part 11 arranged in the axial direction perpendicular to the double-output shaft motor 2, one side of the folding plate part 11 is provided with an open through slot, the tail end of the assembly bolt 12 penetrates the open through slot, the rack 1 and is screw-fitted with the assembly nut.

[0023] In addition, in order to ensure that the abrasive belt 7 can be stably sleeved on the driving wheel 4 and the driven wheel 5, the left and right ends of the driving wheel 4 and the driven wheel 5 are extended outward along the radial direction to form limiting protrusions 13, and the abrasive belt 7 is located between the two limiting protrusions 13 of the same driving wheel.

[0024] The above embodiment is only one of the preferred embodiments of the present application, and does not limit the scope of the present application, so that: any equivalent changes made according to the shape, structure and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A double-ended knife-sharpening apparatus, characterized by: The utility model provides a kind of double-sided abrasive belt grinding machine, including organic frame (1), and the biaxial output shaft motor (2) of being arranged on frame (1), one output end of the biaxial output shaft motor (2) is equipped with grinding wheel (3), another output end is equipped with driving wheel (4), the frame (1) is rotatably connected with driven wheel (5) and tension pulley (6) on, and tension pulley (6) can be displaced relative to frame (1), driving wheel (4), driven wheel (5) and tension pulley (6) are equipped with abrasive belt (7) between.

2. A double-ended knife-sharpening apparatus as defined in claim 1, wherein: The frame (1) is provided with an adjusting strip hole (8) vertically, the tension pulley (6) is rotatably connected to one end of the adjusting shaft (9), the other end of the adjusting shaft (9) is slidably fitted in the adjusting strip hole (8), and the adjusting shaft (9) is fixed relative to the adjusting strip hole (8) by the locking assembly.

3. A double-ended knife-sharpening apparatus as defined in claim 2, wherein: The locking assembly includes a locking nut threaded on the corresponding end of the adjusting shaft (9), the adjusting shaft (9) is a stepped shaft and includes a large ring portion and a small ring portion, a positioning step is formed between the large ring portion and the small ring portion, the small ring portion penetrates the adjusting strip hole (8) and is screwed with the locking nut, and a locking distance is formed between the locking nut and the positioning step to clamp the frame (1) on both sides of the adjusting strip hole (8).

4. A double-ended knife-sharpening apparatus as defined in claim 1, wherein: The frame (1) is provided with a knife sharpening platform (10), the connecting end of the knife sharpening platform (10) is connected to the frame (1), the other end is free and located on the inner ring side of the abrasive belt (7), and the inner ring wall of the abrasive belt (7) and the free end of the knife sharpening platform (10) are dynamically frictionally connected.

5. A double-ended knife-sharpening apparatus as defined in claim 4, wherein: The connecting end of the knife sharpening platform (10) has a folding plate portion (11) arranged perpendicular to the axial direction of the biaxial output shaft motor (2), an open slot is formed on one side of the folding plate portion (11), the tail end of the assembly bolt (12) penetrates the open slot, the frame (1), and is screwed with the assembly nut.

6. A double-ended knife-sharpening apparatus as defined in claim 1, wherein: The left and right ends of the driving wheel (4) and the driven wheel (5) extend radially outward to form limiting protrusions (13), and the abrasive belt (7) is located between the two limiting protrusions (13) of the same driving wheel.

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