CN214979703U

CN214979703U - Processing device for grinding scissors

Info

Publication number: CN214979703U
Application number: CN202120839588.5U
Authority: CN
Inventors: 郭洪涛; 吴晓明
Original assignee: Zhangxiaoquan Co ltd
Current assignee: Zhangxiaoquan Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-03
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a processing device for grinding scissors, which relates to the technical field of scissors production and comprises a base, a grinding wheel and a clamp, wherein the base comprises a cambered surface, and the cambered surface has the same curvature as the surface of the scissors to be ground; the grinding wheel is used for grinding the scissors, and the grinding wheel is in point contact with the surface of the scissors to be ground; the clamp is used for fixing the scissors and is provided with a roller, the roller rolls on the cambered surface, the clamp reciprocates along the cambered surface, and the motion track of the clamp is the same as the curvature of the cambered surface. Has the following beneficial effects: (1) the shearing quality and the production efficiency of the scissors are improved; (2) the grinding track and the geometric shape of the inner opening surface of the scissors are determined, so that the subsequent processing is facilitated; (3) the device has fixed processing tracks and geometric shapes, and facilitates automatic upgrading of subsequent equipment; (4) the processed scissors have beautiful appearance; (5) wide application, good consistency and stability.

Description

Processing device for grinding scissors

Technical Field

The utility model relates to a scissors production technical field, concretely relates to processingequipment of scissors grinding.

Background

The sharpness and durability of the scissors is determined by how well the scissors grind during the production process, and the scissors grind is divided into several surface grindings. The grinding of the first outer opening of the scissors is carried out manually or by a machine, the cutting edge is linear, or the cutting edge is ground by a numerical control device, the manual grinding efficiency is low, the grinding quality is poor, the efficiency is low, the shape of the cutting edge is limited, and the cost of the numerical control device is too high. The grinding of the inner opening surface of the scissors is adjusted by experience, the specific track of the grinding of the inner opening surface is not clear, the specific geometric figure of the inner opening surface is not clear, the production stability is poor, and the production efficiency is not high. Therefore, a high-efficiency high-quality processing device with lower cost and definite grinding track is needed.

The existing scissors grinding device is provided with a guide mechanism capable of guiding the motion track of a grinding wheel between a connecting frame and a main frame, so that the grinding wheel is attached to the grinding track of scissors, the self-rotating grinding wheel is unstable in motion, the outline of the grinding wheel is uncertain after the grinding wheel rotates, and the consistency of the grinding surface formed by grinding scissors is not good.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

To above traditional scissors grinding inefficiency, the quality is not good, blade shape is restricted, the expense is too high, stability and the poor technical problem of uniformity, the utility model provides a processingequipment of scissors grinding, it utilizes the frock to form convex grinding orbit, makes the grinding orbit clear and definite to make the efficiency of grinding face grinding higher, the quality is better, and the blade shape accords with the point contact needs of scissors, makes the scissors sharper, and the cost is lower, and the uniformity is better more stable.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the processing device for grinding scissors is characterized by comprising a base, a grinding wheel and a clamp,

the base comprises an arc surface, and the curvature of the arc surface is the same as that of the surface of the scissors to be ground;

the grinding wheel is used for grinding the scissors, and the grinding wheel is in point contact with the surface of the scissors to be ground;

the clamp is used for fixing the scissors and is provided with a roller, the roller rolls on the cambered surface, the clamp reciprocates along the cambered surface, and the motion track of the clamp is the same as the curvature of the cambered surface.

Optionally, a support is arranged below the arc surface, and the support is used for supporting the arc surface.

Optionally, the bracket is provided with a reinforcing rib.

Optionally, the number of the cambered surfaces is one or more, and the moving track of the surfaces to be ground of the scissors due to the movement of the roller is the same as the curvature of the cambered surfaces.

Optionally, the fixture is connected with a connecting seat, the connecting seat is connected with an arc moving device, and the moving track of the arc moving device is the same as the curvature of the arc surface.

Optionally, a hinge structure of the clamp for circumferentially rotating the scissors is arranged in the connecting seat of the clamp, and the hinge structure of the clamp connects the connecting seat with the clamp.

Optionally, the clamp comprises an inner opening surface grinding clamp and a first outer opening grinding clamp, and the inner opening surface grinding clamp is used for grinding an inner opening surface; the first outer port grinding clamp is used for grinding the first outer port.

Optionally, the first outer opening grinding clamp and the grinding wheel form a preset angle through a hinge structure of the clamp, the preset angle is an angle between the first outer opening and the side face of the shear, and the arc surface in the first outer opening grinding clamp and the first outer opening are inclined by the same angle.

Optionally, the grinding wheel is connected with a moving device, the moving device pulls the grinding wheel to be attached to the surface of the scissors to be ground, and the grinding wheel rotates to grind the scissors.

Optionally, the clamp is provided with a protrusion, and the protrusion is matched with the outer contour of the scissors.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the processing device of scissors grinding that this application embodiment provided improves the shearing quality and the production efficiency of scissors.

(2) The processing device for grinding the scissors provided by the embodiment of the application defines the grinding track and the geometric shape of the inner opening surface of the scissors, and facilitates subsequent processing.

(3) The processing device for grinding the scissors provided by the embodiment of the application has a fixed processing track and a geometric shape, and facilitates automatic upgrading of subsequent equipment.

(4) The processing device for grinding the scissors provided by the embodiment of the application has the advantage that the processed scissors are attractive in appearance.

(5) The processing device for grinding the scissors provided by the embodiment of the application has the advantages of wide application range and good consistency and stability.

Drawings

Fig. 1 is a schematic structural view of an inner surface grinding of a scissors grinding processing device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pair of scissors according to an embodiment of the present invention;

fig. 3 is a front view of an inner surface grinding of the scissors-ground machining apparatus according to the embodiment of the present invention;

fig. 4 is a plan view of a first outer grinding of the scissors-ground machining apparatus according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first outer mouth grinding of the processing device for scissors grinding according to an embodiment of the present invention.

1. A base; 101. a cambered surface; 102. a support; 2. a connecting seat; 3. a grinding wheel; 4. a clamp; 401. a roller; 5. scissors; 501. a knife root; 502. a first outer port; 503. a knife tip; 504. a second outer port; 505. and grinding the starting point.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, and does not have specific limiting action, is general finger, right the technical scheme of the utility model does not constitute limiting action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.

Example 1

With reference to the attached figures 1-3, the processing device for grinding scissors comprises a base 1, a connecting seat 2, a grinding wheel 3 and a clamp 4,

the scissors 5 to be ground are provided with surfaces to be ground, and the surfaces to be ground are in contact with the grinding wheel 3. In this embodiment, the back surface is ground. Scissors 5 comprise a blade root 501, a first outer mouth 502, a blade tip 503, a second outer mouth 504 and a grinding initiation point 505, the inner mouth being the reverse of the outer mouth, both the inner and outer mouth being the sides of the scissors 5. In a good pair of scissors, two blades need to be in point contact during shearing, and grinding of the inner opening surface is important for achieving the point contact. The best way to achieve point contact between the two blades during shearing is to have the points on the blade edge line: firstly, from a knife root 501 part to a knife edge 503 part, the point on the cutting edge line, the back point, can not be lower than the front point; and secondly, on each section, the point on the cutting edge line is a high point on the inner opening surface. When the inner opening surface of the scissors 5 is ground, the clamp 4 for fixing the blades is connected with the blades: the cutting edge of the blade has the same curvature with the profile plate of the clamp 4. After grinding, the point on the cutting edge line meets the requirement of the two points, and the shearing effect is improved. In grinding, the root of the blade first comes into contact with the grinding wheel 3, and the blade is ground from the root to the edge 503.

The base 1 comprises an arc surface 101 and a bracket 102, wherein the curvature of the arc surface 101 is the same as that of the surface to be ground of the scissors 5; the number of the cambered surfaces 101 is one or more, and the moving track of the surfaces to be ground of the scissors 5 due to the movement of the roller 401 is the same as the curvature of the cambered surfaces 101. The cambered surface 101 is the key for determining the grinding track of the grinding surface, and the cambered surface 101 is made of hard materials, so that the deformation is reduced as much as possible, and the curvature of the cambered surface 101 is ensured to be unchanged.

The bracket 102 is positioned below the cambered surface 101 and used for supporting the cambered surface 101; reinforcing ribs are arranged in the bracket 102. The reinforcing ribs can improve the structural strength of the base 1.

The connecting seat 2 is used for connecting the clamp 4; the connecting seat 2 is connected with an arc moving device, and the moving track of the arc moving device is the same as the curvature of the cambered surface 101. Connecting seat 2 is kept away from emery wheel 3 one end and is equipped with gyro wheel 401, and gyro wheel 401 is spacing with connecting seat 2, and the axial of this gyro wheel 401 is perpendicular with the upper surface of connecting seat 2, and connecting seat 2 is through this gyro wheel 401 roll connection and fixed frock.

The grinding wheel 3 is used for grinding the scissors 5, the grinding wheel 3 and the surface of the scissors 5 to be ground are in point contact, and the track of the point contact is the same as the curvature of the cambered surface 101; the grinding wheel 3 is connected with a moving device, and the grinding wheel 3 rotates and grinds. The moving device is used for moving away or positioning the grinding wheel 3, so that the scissors 5 can be conveniently assembled and disassembled.

The clamp 4 is used for fixing the scissors 5, a roller 401 is arranged below the clamp 4, the roller 401 rolls on the cambered surface 101, and the clamp 4 reciprocates along the cambered surface 101; the inner opening surface grinding clamp is used for grinding the inner opening surface. The roller 401 is also made of hard materials, so that the motion track of the clamp 4 is stable during rolling. The design of the clamp 4 is matched with the surface of the scissors 5 to be ground, so that the surface to be ground faces the grinding wheel 3. The clamp 4 is provided with a bulge, and the bulge is matched with the outer contour of the scissors 5.

The working principle is as follows:

install scissors 5 on anchor clamps 4 according to the grinding posture of back of the mouth face, laminate anchor clamps 4's gyro wheel 401 and cambered surface 101, emery wheel 3 does not fall the position this moment, operation that can be convenient, then fall the position emery wheel 3, with the grinding face contact, start emery wheel 3 and connecting seat 2, connecting seat 2 drives anchor clamps 4 and scissors 5 reciprocating motion, emery wheel 3 grinds. After grinding, the grinding wheel 3 is transferred, and then the scissors 5 are dismounted for subsequent processes.

Example 2

With reference to fig. 4-5, the processing apparatus for grinding by scissors 5 of the present embodiment can be improved as follows compared with the technical solution of embodiment 1: the connecting seat 2 is internally provided with a hinge structure of a clamp with 5 circumferential scissors, and the hinge structure of the clamp is connected with the connecting seat 2 and the inner opening surface grinding clamp for turning over the clamp 4 to form a required angle. The hinge structure of anchor clamps is traditional pivot structure, the anchor clamps angle of adjustment of being convenient for.

The connecting seat 2 the first outer mouth grinding clamp is used for grinding a first outer mouth 502, the first outer mouth grinding clamp and the grinding wheel 3 form a certain angle through a hinge structure of the clamp, the angle is equal to the angle between the first outer mouth 502 and the side face of the scissors 5, and the cambered surface 101 and the first outer mouth 502 in the first outer mouth grinding clamp incline at the same angle.

The arc surface 101 of the base 1 is also inclined at the same angle, and the first outer mouth grinding jig reciprocates on the arc surface 101 and is ground by the grinding wheel 3.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The processing device for grinding scissors is characterized by comprising a base, a grinding wheel and a clamp,

2. The scissors-ground processing apparatus according to claim 1, wherein a support is provided below the arc surface, the support being configured to support the arc surface.

3. The scissors-ground working apparatus of claim 2 wherein the holder has reinforcing ribs disposed therein.

4. The scissors-ground processing apparatus according to claim 1, wherein the number of the arc surfaces is one or more, and a trajectory of the surfaces to be ground of the scissors moving due to the movement of the roller is the same as a curvature of the arc surfaces.

5. The scissors-ground processing apparatus according to claim 1, wherein the jig is connected with a connecting base to which an arc moving device is connected, and a moving trajectory of the arc moving device is the same as a curvature of the arc surface.

6. The scissors-ground working device of claim 5, wherein the connecting base of the clamp is provided with a hinge structure for circumferentially rotating the clamp of the scissors, the hinge structure of the clamp connecting the connecting base and the clamp.

7. The scissors-ground working apparatus according to claim 1, wherein the jig includes an inner-cut surface grinding jig for grinding the inner-cut surface and a first outer-cut surface grinding jig; the first outer port grinding clamp is used for grinding the first outer port.

8. The scissors-ground processing apparatus according to claim 6 or 7, wherein the first outer mouth grinding jig and the grinding wheel form a predetermined angle by a hinge structure of the jig, the predetermined angle is an angle of the first outer mouth and the side of the scissors, and the arc surface in the first outer mouth grinding jig and the first outer mouth are inclined at the same angle.

9. The scissors-grinding processing apparatus of claim 1 wherein the grinding wheel is connected to a moving device, the moving device draws the grinding wheel into engagement with a surface of the scissors to be ground, and the grinding wheel rotates to grind the scissors.

10. The scissors-ground working apparatus of claim 1, wherein the holder is provided with protrusions, and the protrusions are adapted to the outer contour of the scissors.