Grinding wheel tooth pressing die

Abstract

The utility model provides a grinding wheel tooth pressing die, which relates to the technical field of pressing dies, and comprises a die frame, a pressing block, a pressing block and a pressing block, the mold core is arranged in an inner cavity of the mold frame and tightly attached to the mold frame, the mold core comprises a first mold core block, a second mold core block and a third mold core block, and the first mold core block and the second mold core block are symmetrically arranged in the inner cavity of the mold frame; and the third mold core block is arranged between the first mold core block and the second mold core block. The pressing die for the grinding wheel teeth has the advantages that all the components are convenient to disassemble and assemble, the formed grinding wheel teeth are convenient to demould, and the die is convenient to clean and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to a press mould technical field, concretely relates to a press mould of grinding wheel tooth. BACKGROUND

[0002] The grinding wheel used for grinding chips is usually called a thinning grinding wheel, which is not only applied in the LED industry, but also can be applied in other industries such as glass, mainly aiming at plane workpieces, removing material from the surface to achieve the purpose of thinning. In the processing process, while ensuring that the surface of the processed workpiece has no deep scratches and no obvious processing defects, the grinding load of the grinding wheel tooth is also considered to ensure the service life of the grinding wheel tooth and the drainage condition in the processing process.

[0003] At present, the press mould for thinning grinding wheel tooth in the prior art is difficult to demould after pressing due to the fixed structure, and the mould structure is inconvenient to disassemble and assemble, which is not conducive to cleaning and maintenance. Therefore, it is necessary to provide a press mould for thinning grinding wheel tooth to solve the above technical problems. SUMMARY

[0004] The utility model discloses a press mould for thinning grinding wheel tooth, which overcomes the defects of the prior art, such as fixed structure, difficulty in demoulding after pressing, inconvenience in disassembling and assembling, and poor cleaning and maintenance, and facilitates the disassembly and assembly of components, thereby solving the problems of the prior art.

[0005] In order to achieve the above and other purposes, the utility model is realized by including the following technical solutions: the utility model provides a press mould for grinding wheel tooth, which comprises:

[0006] A mould frame is provided with an inner cavity.

[0007] A mould core is arranged in the inner cavity of the mould frame and closely adheres to the mould frame, and the mould core comprises a first mould core block, a second mould core block and a third mould core block.

[0008] In some embodiments, the mould frame is a hollow cylinder, and the inner cavity of the mould frame has a circular truncated cone structure.

[0009] In some embodiments, the first mould core block and the second mould core block are symmetrically provided with positioning convex strips on the opposite surfaces, and the cross section of the positioning convex strip is isosceles trapezoidal.

[0010] In some embodiments, the third mold core block includes a first extrusion block, a second extrusion block, an upper pressure block, and a support pad block, wherein the upper pressure block is located above the support pad block, and the first extrusion block and the second extrusion block are located on both sides of the upper pressure block and the support pad block.

[0011] In some embodiments, the bottom of the upper pressure block and the top of the support pad block have an arc-shaped structure.

[0012] In some embodiments, a pressing cavity is provided between the upper pressing block and the support pad block.

[0013] In some embodiments, positioning grooves are provided on the two surfaces of the first extrusion block and the second extrusion block that are in contact with the first mold core block and the second mold core block.

[0014] In some embodiments, the positioning groove and the positioning protrusion can engage.

[0015] This utility model provides a pressing mold for grinding wheel teeth. Compared with the prior art, this utility model has the following advantages: the first mold core block, the second mold core block, the third mold core block, the upper pressing block, and the support pad block are spliced ​​together by positioning protrusions and positioning grooves and then inserted into the inside of the mold frame, which facilitates the disassembly and assembly of each component, and facilitates the demolding of the main body of the grinding wheel teeth and the cleaning and maintenance of the mold. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 The diagram shows the overall structure of the pressing mold for the grinding wheel teeth of this utility model.

[0018] Figure 2 The diagram shows the first and second core blocks of the pressing mold for the grinding wheel teeth of this utility model.

[0019] Figure 3 The diagram shows the third core block of the pressing mold for the grinding wheel teeth of this utility model.

[0020] Figure 4 The image shown is a cross-sectional view of the pressing mold for the grinding wheel teeth of this utility model.

[0021] Figure 5 The diagram shows the pressing cavity of the pressing mold for the grinding wheel teeth of this utility model.

[0022] The components represented by the numbers in the drawings are listed as follows:

[0023] 1, mold frame; 2, mold core; 21, first mold core block; 22, second mold core block; 23, third mold core block; 231, first extrusion block; 232, second extrusion block; 233, upper extrusion block; 234, support pad block; 24, positioning convex strip; 25, positioning groove; 26, pressing cavity; 3, shaped sand wheel tooth. DETAILED DESCRIPTION

[0024] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] As Figure 1 shown, the utility model provides a kind of sand wheel tooth's pressing mould, the sand wheel tooth's pressing mould includes mold frame 1, the mold frame 1 is a hollow cylinder, the mold frame 1 is provided with inner cavity, the inner cavity of the mold frame 1 is round table type structure.

[0026] As Figures 1 to 5As shown, the pressing die of the grinding wheel tooth comprises a mold core 2 arranged in the inner cavity of the mold frame 1 and closely combined with the mold frame 1. The mold core 2 comprises a first mold core block 21, a second mold core block 22 and a third mold core block 23, the first mold core block 21 and the second mold core block 22 are symmetrically arranged in the inner cavity of the mold frame 1, and the third mold core block 23 is arranged between the first mold core block 21 and the second mold core block 22. The opposite surfaces of the first mold core block 21 and the second mold core block 22 are symmetrically provided with positioning protrusions 24, the cross section of the positioning protrusion 24 is isosceles trapezoidal, and two positioning protrusions 24 are arranged on each of the opposite surfaces. The third mold core block 23 comprises a first extrusion block 231, a second extrusion block 232, an upper pressing block 233 and a supporting pad block 234, the upper pressing block 233 and the supporting pad block 234 are arranged between the first extrusion block 231 and the second extrusion block 232, the upper pressing block 233 is located above the supporting pad block 234, and the first extrusion block 231 and the second extrusion block 232 are located on the two sides of the upper pressing block 233 and the supporting pad block 234. The bottom of the upper pressing block 233 and the top of the supporting pad block 234 are arc-shaped structures, a pressing cavity 26 is left between the upper pressing block 233 and the supporting pad block 234, and the pressing cavity 26 can be filled with materials to form a shaped grinding wheel tooth 3. Positioning grooves 25 are arranged on the two surfaces of the first extrusion block 231 and the second extrusion block 232 in contact with the first mold core block 21 and the second mold core block 22, and the positioning grooves 25 and the positioning protrusions 24 can be clamped. The first extrusion block 231, the second extrusion block 232, the upper pressing block 233 and the supporting pad block 234 are combined into the third mold core block 23, the third mold core block 23, the first mold core block 21 and the second mold core block 22 are combined into the mold core 2, and the disassembly and assembly of each component are facilitated.

[0027] The working principle of the utility model:

[0028] 1. Filling materials in the pressing cavity 26 for forming a shaped grinding wheel tooth 3.

[0029] 2. The first extrusion block 231, the second extrusion block 232, the upper pressing block 233 and the supporting pad block 234 are combined into the third mold core block 23.

[0030] 3. After the third mold core block 23, the first mold core block 21 and the second mold core block 22 are combined into the mold core 2 through the cooperation of the positioning protrusions 24 and the positioning grooves 25, the mold core 2 is inserted into the inside of the mold frame 1.

[0031] 4. After the pressing is completed, the mold frame 1 is first taken off from the outside of the mold core 2, then the first mold core block 21 is separated from the second mold core block 22, the positioning convex strip 24 connected therewith is separated from the inside of the positioning groove 25, finally the first extrusion block 231, the second extrusion block 232, the upper pressing block 233 and the supporting pad block 234 are separated, and the formed sand wheel tooth 3 is taken out.

[0032] In the description of the present application, it should be explained that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or indirectly disposed on another element; when an element is referred to as "connected to" another element, it can be directly connected to another element or indirectly connected to another element.

[0033] It should be understood that the terms "height", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0034] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0035] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In the present application, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] It is to be understood that the structures, proportions, sizes, etc. shown in the drawings for the embodiments disclosed are to be considered merely for purposes of illustrative understanding and are not intended to limit the application to the specific embodiments illustrated. Any modification, change, or variation that is not deemed to affect the essential characteristics of the application is to be considered within the scope of the application.

[0037] The above description of disclosed embodiments enables one skilled in the art to make or use the application. Numerous modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not to be limited to the embodiments described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed.

Claims

1. A press die for a grinding wheel tooth, characterized by: The pressing die comprises: a die frame provided with an inner cavity; a die core arranged in the inner cavity of the die frame and closely fitted with the die frame, the die core comprising a first die core block, a second die core block and a third die core block, the first die core block and the second die core block being symmetrically arranged in the inner cavity of the die frame, and the third die core block being arranged between the first die core block and the second die core block.

2. The press die for a grinding wheel tooth according to claim 1, characterized in that: The die frame is a hollow cylinder, and the inner cavity of the die frame is in a circular truncated cone structure.

3. The press die for a grinding wheel tooth according to claim 1, wherein: The opposite surfaces of the first die core block and the second die core block are symmetrically provided with positioning protrusions, and the cross section of the positioning protrusion is in an isosceles trapezoidal shape.

4. The press die for a grinding wheel tooth according to claim 3, wherein: The third die core block comprises a first extrusion block, a second extrusion block, an upper pressing block and a supporting pad block, the upper pressing block is above the supporting pad block, and the first extrusion block and the second extrusion block are on the two sides of the upper pressing block and the supporting pad block.

5. The press die for a grinding wheel tooth according to claim 4, wherein: The bottom of the upper pressing block and the top of the supporting pad block are in an arc structure.

6. The press die for grinding wheel teeth according to claim 4, wherein: A pressing cavity is left between the upper pressing block and the supporting pad block.

7. The press die for a grinding wheel tooth according to claim 4, wherein: The first extrusion block and the second extrusion block are provided with positioning recesses on the two surfaces in contact with the first die core block and the second die core block.

8. The press die for a grinding wheel tooth according to claim 7, wherein: The positioning recesses and the positioning protrusions are engaged.

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