TWM628094U - Socket member of cutting tool grinder - Google Patents

Abstract

The new model is a kit of a tool grinding machine, comprising: a tool grinding machine, which has a grinding part; the grinding part has a grinding space; a grinding wheel is arranged in the grinding space; a through hole; a plurality of sets, each set respectively has a ring part and a frame part connected, the ring part and the frame part are annular, so that each set respectively has an axis with the center of the frame part as the center and each of the sets has an eccentric hole that penetrates the ring portion and the frame portion and is a circular hole, the eccentric hole has an eccentric shaft centered on the center of the circle, the eccentric shaft is offset from the shaft center, and each The distances from the eccentric shaft of the kit from the shaft center are all different. In this way, the user can replace the corresponding set according to the tool to be ground, which solves the problem of high cost caused by the need to prepare a large number of grinding wheels of different sizes in general grinding tools.

Description

Knife Grinder Kit

The new model relates to the technical field of grinding machines, and particularly refers to a set of tool grinding machines.

In order to prolong the service life of the tool, the damaged tool is ground with a tool grinder. The tool grinder has a base, and a motor is arranged on the top of the base. The motor is connected with a grinding wheel to drive the The grinding wheel rotates, and a grinding seat is arranged on the top side of the base adjacent to the grinding wheel. The grinding seat is provided with a through hole facing the grinding wheel. When the user wants to grind the tool, the tool can be clamped by a fixture. After fixing, and then placing the fixture into the hole, the motor can be activated to drive the grinding wheel to rotate, thereby completing the grinding of the tool and prolonging the service life of the tool.

In order to make the tool grind smoothly, the position and angle of the blade must be exactly against the grinding wheel after the tool is placed in the perforation, so that the tool can be ground. Generally, tools with various sizes and different diameters are inserted into the perforation. After that, the position of the blade is also very different. In order to make the grinding wheel accurately abut against the blade, the general operator will replace the grinding wheel of different size according to the different size of the tool. For example, the tool with a larger diameter and a thinner thickness is used The grinding wheel of the smaller diameter is used with the thicker grinding wheel.

However, the method of replacing the grinding wheel according to the size of the tool, not only the process of replacing the grinding wheel needs to disassemble the casing of the tool grinder, which is troublesome, but also the cost of the grinding wheel is expensive, and the availability of grinding wheels of various sizes increases the overall cost. In view of this, it is indeed necessary to propose a technical solution to solve the aforementioned problems.

The purpose of the new model is to solve the problem that the tool grinder must have different sizes of grinding wheels according to different sizes of knives, which not only causes difficulty in replacement, but also increases the cost.

In order to solve the aforementioned problems, the present invention is a kit for a tool grinder, including:

a tool grinder, having a grinding part, a grinding space is arranged in the grinding part, a grinding wheel is arranged in the grinding space, and the grinding part is further provided with a through hole communicating with the grinding space;

Plural sets of sets, each set of sets respectively has a ring part and a frame part which are connected, the ring part and the frame part are annular, so that each set of sets respectively has an axis with the center of the frame part as the center, and Each of the sleeves has an eccentric hole that penetrates the ring portion and the frame portion and is a circular hole, the eccentric hole has an eccentric shaft with the center of the circle as the center, the eccentric shaft is deviated from the shaft center, and each of the sleeves has an eccentric shaft. The distances of the eccentric shaft from the shaft center are all different.

In a preferred embodiment, the through hole has a first section and a second section connected, the first section is farther from the grinding space than the second section, and the hole diameter of the first section is larger than that of the second section. Aperture, so that the grinding part has an abutting surface opposite to the grinding space and located in the first section of the through hole, and the abutting surface is provided with a positioning pin, and the frame part of each set is recessed with a The positioning groove is used to cover the positioning bolt.

In a preferred embodiment, the number of the positioning grooves of each of the sets is two, and the two positioning grooves are respectively disposed on the frame portion at opposite ends of the same diameter.

In a preferred embodiment, the number of the positioning grooves of each of the sets is plural.

In a preferred embodiment, the frame portion has an outer edge, and the eccentric hole has a hole edge, and the distance between the hole edge of the eccentric hole and the outer edge is inconsistent, wherein the hole edge is away from the outer edge The maximum distance is a first dimension, the minimum distance from the hole edge to the outer edge is a second dimension, one of the positioning grooves is recessed from the outer edge and is located at the position of the first dimension, and the other is the positioning groove The groove is recessed from the outer edge and located at the position of the second dimension.

Through the aforementioned structure, the new model does solve the problem that the tool grinder must have different sizes of grinding wheels according to different sizes of knives, not only does it not need to replace the grinding wheel during the grinding process, but also improves the grinding speed and convenience, and also solves the problem of general grinding tools. The high cost of having to prepare a large number of different sizes of grinding wheels.

Please refer to FIG. 1 to FIG. 3 , the present invention is a kit for a tool grinder, which mainly includes a tool grinder 10 and a plurality of kits 20, wherein:

The tool grinder 10 has a grinding portion 11, and the grinding portion 11 has a grinding space 12 therein, a grinding wheel 13 is arranged in the grinding space 12, and the grinding portion 11 is further provided with a through hole 14 communicating with the grinding space 12; In this embodiment, the through hole 14 has a first section 141 and a second section 142 connected to each other, the first section 141 is farther from the grinding space 12 than the second section 142 , and the diameter of the first section 141 is larger than The aperture of the second section 142 enables the grinding portion 11 to have an abutting surface 143 located in the first section 141 of the through hole 14 opposite to the grinding space 12 , and a positioning pin is provided on the abutting surface 143 15.

Each of the sleeves 20 has a ring portion 21 and a frame portion 22 connected respectively. The ring portion 21 and the frame portion 22 are annular, so that each of the sleeves 20 respectively has an axis with the center of the frame portion 22 as the center. The center 221, and each of the sleeves 20 respectively has an eccentric hole 23 that penetrates the ring portion 21 and the frame portion 22 and is a circular hole. The eccentric hole 23 has an eccentric shaft 231 centered on the center of the circle. The eccentric shaft 231 The distance from the eccentric shaft 231 of each sleeve 20 away from the axial center 221 is different; in this embodiment, the frame portion 22 of each sleeve 20 is respectively recessed with a positioning groove 24 , the positioning groove 24 is used to cover the positioning bolt 15 to prevent the sleeve 20 from rotating in the through hole 14 .

In this embodiment, the number of the positioning grooves 24 of each of the sleeves 20 is two, and the two positioning grooves 24 are respectively disposed on the frame portion 22 at opposite ends of the same diameter.

Secondly, the number of the positioning grooves 24 of each of the sets 20 is not limited to one or two, of course, it can also be more than two.

Moreover, the frame portion 22 has an outer edge 222, and the eccentric hole 23 has a hole edge 232. Since the eccentric shaft 231 of the eccentric hole 23 is offset from the axis 221 of the frame portion 22, the hole of the eccentric hole 23 is The distance between the edge 232 and the outer edge 222 is inconsistent, wherein the maximum distance between the hole edge 232 and the outer edge 222 is a first dimension H1, and the minimum distance between the hole edge 232 and the outer edge 222 is a second dimension H1. dimension H2, one of the positioning grooves 24 is recessed from the outer edge 222 and located at the position of the first dimension H1, and the other positioning groove 24 is recessed from the outer edge 222 and located at the position of the second dimension H2, By setting the two positioning grooves 24 in the set 20 , one set of the set 20 can be adapted to two different sizes of knives.

The above is the structure configuration of the new model and its connection relationship. The use of the new model and its effects are as follows:

The usage method of using the same set 20 and applied to different sizes of knives is as follows, please refer to the set 20 proposed in FIGS. 2 and 3 as an example. When grinding a tool with a size of 22.0mm, the user firstly faces the positioning pin 15 with the position of the first size H1 of the kit 20 and fastens the positioning groove 24 on the first size H1 to the positioning At this time, the tool is fixed on the set 20 with the barrel clamp. At this time, the matching state between the tool and the grinding wheel 13 is limited by the distance of the first dimension H1, so that the tool can against the grinding wheel 13, whereby the tool can be ground directly.

Please refer to Figures 4 and 5. When the user wants to grind a tool with a size of 20.1mm, the positioning groove 24 located on the second dimension H2 is fastened on the positioning bolt 15, and then the tool is fixed with the bucket clamp. On the sleeve 20 , at this time, the distance between the second dimension H2 defines the matching state between the tool and the grinding wheel 13 , so that the tool can just abut against the grinding wheel 13 .

By rotating the set 20 , the positioning grooves 24 at two different positions of the set 20 can be matched with the positioning pins 15 at fixed positions, so that the same set 20 can grind two different sizes of tools. Of course, since the number of sets 20 is plural, and the distances from the eccentric shaft 231 of each set 20 away from the axis 221 are different, the sizes of the knives that can be matched with each set 20 are different, so that the The user can replace the corresponding set 20 according to the tool to be ground. More preferably, the same set 20 can be used for two or more tool sizes, which greatly reduces the number of sets 20 that need to be used.

Through the aforementioned structure, the present invention solves the problem that the tool grinder 10 must have different sizes of grinding wheels 13 according to different sizes of knives, not only does the grinding wheel 13 need not be replaced during the grinding process, but also improves the grinding speed and convenience, and also solves the problem. Generally, a grinding tool needs to prepare a large number of grinding wheels 13 of different sizes, which causes a problem of high cost.

10: Tool Grinder

11: Grinding Department

12: Grinding space

13: Grinding wheel

14: Perforation

141: First paragraph

142: Second paragraph

143: Against the surface

15: Positioning bolt

20: Kit

21: Ring Department

22: Frame part

221: Axis

222: Outer Rim

23: Eccentric hole

231: Eccentric shaft

232: Hole edge

24: Positioning slot

H1: first size

H2: Second size

FIG. 1 is an exploded perspective view of the novel in a preferred embodiment; FIG. 2 is a top view of fixing the positioning groove and the positioning bolt on the first dimension of the kit; Fig. 3 is a sectional view based on the 3-3 section line in Fig. 2; 4 is a top view of fixing the positioning groove and the positioning bolt on the second dimension of the kit; FIG. 5 is a cross-sectional view based on the line 5-5 in FIG. 4 .

10: Tool Grinder

11: Grinding Department

14: Perforation

141: First paragraph

142: Second paragraph

143: Against the surface

15: Positioning bolt

20: Kit

21: Ring Department

22: Frame part

23: Eccentric hole

24: Positioning slot

Claims (5)

A tool grinder kit, comprising: a tool grinder with a grinding part, a grinding space is arranged in the grinding part, a grinding wheel is arranged in the grinding space, and the grinding part is further provided with a perforation communicating with the grinding space; A plurality of sets are used to be fixed at the position of the through hole, and each set has a connected ring portion and a frame portion respectively, and the ring portion and the frame portion are annular, so that each set respectively has a The center of the circle is an axis, and each of the sets has an eccentric hole that penetrates the ring portion and the frame portion and is a circular hole, the eccentric hole has an eccentric shaft with the center of the circle as the center, and the eccentric shaft and the distance from the eccentric shaft of each of the kits away from the axis is different. The kit of the tool grinding machine according to claim 1, wherein the through hole has a first section and a second section connected, the first section is farther from the grinding space than the second section, and the first section is The hole diameter is larger than the hole diameter of the second section, so that the grinding part has an abutting surface opposite to the grinding space and located in the first section of the perforation, and a positioning pin is arranged on the abutting surface. Each of the frame parts is recessed with a positioning groove, and the positioning groove is used to cover the positioning bolt. The set of tool grinding machines according to claim 2, wherein the number of positioning grooves of each set is two, and the two positioning grooves are respectively arranged on the frame portion at opposite ends of the same diameter. . The set of tool grinding machines according to claim 1, wherein the number of positioning grooves of each set is plural. The kit for a tool grinder according to any one of claims 3 or 4, wherein the frame portion has an outer edge, the eccentric hole has a hole edge, and the hole edge of the eccentric hole and the outer edge are The distances between the holes are inconsistent, wherein the maximum distance between the hole edge and the outer edge is a first dimension, the minimum distance between the hole edge and the outer edge is a second dimension, and one of the positioning grooves is recessed from the outer edge. and is located at the position of the first size, and another positioning groove is recessed from the outer edge and located at the position of the second size.

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