CN108406596A - A kind of fixture of circular shear blade blade - Google Patents

Abstract

The present invention relates to a kind of processing unit (plant)s of blade, solve the problems, such as that difficulty of processing is big, have the effect of that difficulty of processing is low.In order to solve the above problem, the invention discloses a kind of fixtures of circular shear blade blade, including pedestal, be vertically arranged on the pedestal can rotation supporting rod, it is provided with positioning plate on the supporting rod, it is vertically installed with rotation axis on the positioning plate, the clamping piece for fixing circular shear blade is arranged in the rotation axis；The clamping piece is coaxially fixedly installed ratchet, and the ratchet is identical with the number of teeth of circular shear blade, and the pawl coordinated with ratchet is rotatably connected on the positioning plate.By the cooperation of ratchet and pawl, the identical of each rotational angle of circular shear blade is realized, reduces difficulty of processing.

Description

A fixture for a circular blade edge

technical field

The invention relates to a processing device for a blade, more specifically, it relates to a clamp for a circular blade edge.

Background technique

The circular blade is mainly used for cutting cakes, paper, film, gold, silver foil, aluminum foil, copper foil and other items. It is required that the blade has the least cutting resistance and the highest wear resistance. Some circular blades have a circle of arc-shaped teeth arrayed on the outer circumference. After the circular blade is manufactured, the arc-shaped teeth of the circular blade need to be polished.

However, due to the large number of arc-shaped teeth on the circular blade, the staff needs to grind them one by one at the same time. At this time, it is necessary to control the positions of the grinder and the arc-shaped teeth so that the grinder can just grind one arc-shaped tooth every time to avoid wearing other There is a problem that the processing is difficult.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a clamp for a circular blade edge, which has the effect of low processing difficulty.

In order to achieve the above technical purpose, the present invention provides the following technical solution: a clamp for a circular blade blade, including a base, a support rod that can rotate on itself is vertically arranged on the base, a positioning plate is arranged on the support rod, A rotating shaft is vertically arranged on the positioning plate, and a clamping piece for fixing a circular blade is sleeved on the rotating shaft;

One end of the clamping member close to the positioning plate is coaxially fixed with a ratchet, the number of teeth of the ratchet and the circular blade is the same, and the positioning plate is rotatably connected with a pawl that cooperates with the ratchet. When cutting the blade, the pawl prevents the holder from rotating with the grinding wheel.

By adopting the above-mentioned technical solution, the circular blade is fixed on the holder, and the support rod is rotated, so that the circular blade is close to and attached to the grinding wheel, the support rod is fixed, and the motor of the grinding machine drives the grinding wheel to rotate. After the grinding wheel grinds one tooth of the circular blade, turn the clamping part so that the pawl catches the next tooth of the ratchet wheel. At this time, start the grinding wheel again to grind the next tooth of the circular blade without the need for staff By looking at the positions of the arc-shaped teeth of the circular blade and the grinding wheel, the arc-shaped teeth can be ground one by one, which has the beneficial effect of reducing the difficulty of processing.

Preferably, the base is fixedly provided with a support column for supporting the support rod, and the lower surface of the support rod is provided with a slot for the support column to fit and insert. The fastening stud of the card slot is threadedly connected with the support rod.

By adopting the above technical scheme, after turning the support bar to the working position, tighten the fastening stud, the top of the fastening stud is close to the support post, and the support bar and the base are kept relatively fixed to prevent the circular blade from shaking, achieving It has the beneficial effect of improving the convenience of operation.

As a preference, a limiting block extending through the positioning plate is provided on the support rod, and a limiting groove for fitting and sliding of the limiting block is opened on the positioning plate, the limiting block is a cuboid, and the positioning The end of the plate away from the rotating shaft is threaded with an adjustment stud, the end of the adjustment stud is inserted into the limit block, the end of the adjustment stud is fixed with a limit plate, and the limit block is provided with a limit plate The disc fits against the limit ring for rotation.

By adopting the above technical scheme, according to the degree of grinding of different circular blades, the adjusting stud is rotated, and the adjusting stud rotates relative to the positioning plate, thereby driving the limit plate to slide relative to the support rod, and adjusting the distance between the clamping part and the support rod. When adjusting the distance between the circular blade and the grinding wheel, the angle between the grinding wheel and the circular blade has the beneficial effect of improving the working range.

Preferably, a handle for staff to hold is extended on the positioning plate.

By adopting the above technical solution, the staff can drive the support rod to rotate through the handle, which improves the convenience of operation.

In summary, the present invention has achieved the following effects:

1. With the cooperation of the ratchet wheel and the pawl, the rotation angle of the circular blade is the same every time, which reduces the difficulty of processing;

2. With the cooperation of the positioning plate and the support rod, the applicable range of the processing device is improved.

Description of drawings

Fig. 1 is a schematic diagram for representing the overall structure in the present embodiment;

Fig. 2 is a partial schematic diagram for showing the connection relationship between the support rod and the base in this embodiment;

Fig. 3 is a partial schematic diagram for showing the cooperation relationship between the positioning plate and the support rod in this embodiment.

In the figure, 1. base; 2. support rod; 21. support column; 22. slot; 23. fastening stud; 3. positioning plate; 31. rotating shaft; 32. clamping piece; 33. ratchet; 34 , pawl; 35, limit block; 36, limit groove; 37, adjusting stud; 38, limit plate; 39, limit ring; 40, handle.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

Embodiment: a kind of fixture of circular blade blade, as shown in Figure 1, comprises square base 1, and the support bar 2 that can rotate is vertically arranged on the base 1, and the support bar 2 is provided with the positioning plate 3, and the positioning plate 3 is vertically provided with a rotating shaft 31, and the rotating shaft 31 is sleeved with a clamping member 32 for fixing the circular blade. A ratchet 33 is coaxially fixed on one end of the clamping member 32 near the positioning plate 3. The ratchet 33 has the same number of teeth as the circular blade. The positioning plate 3 is rotatably connected with a pawl 34 that matches the ratchet 33. , the ratchet 34 prevents the holder 32 from following the rotation of the grinding wheel.

The circular blade is fixed on the holder 32, and the support bar 2 is rotated, so that the circular blade is close to and attached to the grinding wheel, the support bar 2 is fixed, and the motor of the grinding machine drives the grinding wheel to rotate. After the emery wheel has polished a tooth of the circular blade, the clamping part 32 is rotated so that the ratchet 34 blocks the next tooth of the ratchet wheel 33, and then the emery wheel is started again to grind the next tooth of the circular blade without The staff needs to see the arc-shaped teeth of the circular blade and the position of the grinding wheel, so that the arc-shaped teeth can be polished one by one.

As shown in Figure 2, the support column 21 for supporting the support rod 2 is fixedly arranged on the base 1, and the lower surface of the support rod 2 is provided with a card slot 22 for the support column 21 to fit and insert. The support rod 2 is inserted into the fastening stud 23 of the slot 22, and the fastening stud 23 and the support rod 2 are screwed together. After the support rod 2 is rotated to the working position, the fastening stud 23 is tightened, and the top of the fastening stud 23 is close to the support column 21, and the support rod 2 and the base 1 are relatively fixed to avoid the circular blade from shaking.

As shown in Figure 3, a limit block 35 extending through the positioning plate 3 is extended on the support rod 2, and a limit groove 36 for the limit block 35 to fit and slide is opened on the position plate 3, and the limit block 35 is a cuboid One end of the positioning plate 3 away from the rotating shaft 31 is threadedly connected with an adjustment stud 37, the end of the adjustment stud 37 is inserted into the limit block 35, the end of the adjustment stud 37 is fixedly provided with a limit plate 38, and the limit block 35 is set There is a limit ring 39 for the limit plate 38 to fit and rotate. Rotate the adjusting stud 37 according to the degree of grinding of different circular blades, and the adjusting stud 37 rotates relative to the positioning plate 3, thereby driving the limit plate to slide relative to the support rod 2, and adjusting the distance between the clamping member 32 and the support rod 2 The distance between them is used to adjust the angle between the grinding wheel and the circular blade when the circular blade fits the grinding wheel.

As shown in FIG. 1 , there is a handle 40 extended on the positioning plate 3 for the staff to hold. The staff can drive the support rod 2 to rotate through the handle 40, which improves the convenience of operation.

A method for using a clamp for a circular blade blade, the specific steps are as follows:

S1: First fix the round blade to be processed on the clamping piece 32, turn the support rod 2 to make the round blade fit the surface of the grinding wheel, and observe whether the angle between the round blade and the grinding wheel is correct according to the angle to be ground. correct;

S2: If the angle is wrong, rotate the adjustment stud 37 to control the gap between the circular blade and the grinding wheel, turn the support rod 2 again to adjust the angle of the circular blade and the grinding wheel to the correct angle, and tighten the fastening stud 23;

S3: Start the drive motor 12, the grinding wheel will grind an arc-shaped tooth of the circular blade, stop the drive motor 12, and rotate and clamp;

S4: Repeat S3 until the arc-shaped teeth of the entire circular blade are processed, then unscrew the fastening stud 23, turn the support rod 2, take off the circular blade, and replace the next processed circular blade.

Claims (4)

1. a kind of fixture of circular shear blade blade, including pedestal (1), it is characterised in that：Being vertically arranged on the pedestal (1) can The supporting rod (2) of rotation is provided with positioning plate (3) on the supporting rod (2), rotation is vertically installed on the positioning plate (3) Axis (31) is arranged with the clamping piece (32) for fixing circular shear blade on the rotation axis (31)；

The clamping piece (32) is coaxially fixedly installed ratchet (33), the ratchet (33) and circle close to one end of positioning plate (3) The number of teeth of shape blade is identical, the pawl (34) with ratchet (33) cooperation is rotatably connected on the positioning plate (3), when the grinding wheel (13) when polishing circular shear blade, the pawl (34) prevents clamping piece (32) that grinding wheel (13) is followed to rotate.

2. a kind of fixture of circular shear blade blade according to claim 1, it is characterised in that：It is fixed on the pedestal (1) It is provided with the support column (21) for being used to support supporting rod (2), the lower surface of the supporting rod (2) is offered pastes for support column (21) The card slot (22) being inserted into is closed, the supporting rod (2) is provided with the fastening stud for being horizontally through supporting rod (2) and being inserted into card slot (22) (23), the fastening stud (23) and supporting rod (2) are threadedly coupled.

3. a kind of fixture of circular shear blade blade according to claim 2, it is characterised in that：Prolong on the supporting rod (2) The limited block (35) having across positioning plate (3) is stretched, the limit for limited block (35) fitting sliding is offered on the positioning plate (3) Slot (36), the limited block (35) are cuboid, and threaded one end of the positioning plate (3) far from rotation axis (31) is connected with adjusting The end of stud (37), the regulation stud (37) is inserted into limited block (35), and the end of the regulation stud (37), which is fixed, to be set It is equipped with position-arresting disk (38), the spacing ring (39) for position-arresting disk (38) fitting rotation is provided in the limited block (35).

4. a kind of fixture of circular shear blade blade according to claim 3, it is characterised in that：Prolong on the positioning plate (3) Stretch the handle (40) for having and being held for staff.