Universal clamp for multi-machine blade grinding

Abstract

The utility model relates to a universal fixture for multi-machine blade coping, which comprises a universal base, a special-shaped tool bit and a blade pressing plate, the universal base comprises a base main body, a rectangular groove body and a base end part, and the base end part comprises a square base end part and a cylindrical base end part; the special-shaped tool bit comprises a tool bit main body and a rectangular connecting block, and a tool bit cavity for mounting a blade is formed in the tool bit main body; the blade pressing plate comprises a first pressing part, a second pressing part and a pressing plate main body, at least one screw hole is formed in the pressing plate main body, and a screw penetrates through the screw hole to fix and lock the blade. The problem that various types of blades cannot be clamped and ground on a machine tool is effectively solved, the use cost of a cutter is greatly reduced, the flexibility of clamp design is improved, the clamp is easy to maintain and upgrade, the manufacturing cost of the clamp is reduced, the operation efficiency is improved, and the optimal production grinding effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of mechanical processing technology and tool grinding fixtures, in particular to a universal fixture used for grinding blades of multiple machines. Background Art

[0002] At present, the blades used in machine tools in the automotive, aerospace and other industries are designed with different shapes, materials and parameters due to the different processing parts, materials and cutting conditions. After a certain life cycle, the blades will wear out, thus affecting the use effect of the blades. If they are scrapped and replaced with new blades, the cost will increase significantly and form invisible waste.

[0003] Since there are great differences in the appearance and grinding direction of blade tools and drill tools, and the existing fixing fixtures are too specific and have low flexibility, there will be a risk of replacement as the equipment is upgraded, and the design and manufacturing costs of special fixtures are usually high. Forced replacement and grinding may easily result in low clamping strength, making it difficult to install and fix grinding on various tool grinding equipment in the department, and it is also easy to cause production safety hazards.

[0004] In view of the problem that various types of blades cannot be clamped and sharpened on machine tools, the purpose of the utility model is to provide a universal fixture for sharpening blades of multiple machines, which can be used on a variety of machine tools and has strong fixation, improves the flexibility of fixture design, facilitates maintenance and upgrading, reduces fixture manufacturing costs and improves operating efficiency, so as to achieve the best production sharpening effect. Utility Model Content

[0005] The technical problem to be solved by the utility model is: in view of the problem that various types of blades cannot be clamped and sharpened on machine tools, the purpose of the utility model is to provide a universal fixture for sharpening blades of multiple machines, which can be used on a variety of machine tools and has strong fixation, improves the flexibility of fixture design, is easy to maintain and upgrade, reduces fixture manufacturing costs and improves operating efficiency, so as to achieve the best production sharpening effect.

[0006] The utility model solves the technical problem by adopting a technical solution: a universal fixture for grinding blades of multiple machines; comprising:

[0007] A universal base, comprising a base body, a rectangular slot body and a base end, wherein the base body is a block structure, the rectangular slot body is arranged at the end of the base body, the base body is provided with at least one screw hole, and the base end includes a square base end and a columnar base end;

[0008] The special-shaped cutter head comprises a cutter head body and a rectangular connecting block, wherein the rectangular connecting block is inserted into the rectangular slot body, and a screw is fixed in the screw hole to connect the special-shaped cutter head with the universal base; the cutter head body is provided with a cutter head cavity for installing a blade;

[0009] The blade pressing plate includes a first pressing part, a second pressing part and a pressing plate body. The first pressing part and the second pressing part are respectively arranged at two ends of the pressing plate body. The first pressing part is used to press the blade, and the second pressing part is used to press the universal base. At least one screw hole is provided on the pressing plate body, and a screw is passed through the screw hole to fix and lock the blade.

[0010] Preferably, two screw holes are provided on the base body.

[0011] Preferably, the bottom edge of the rectangular trough body is provided with a 2-degree reverse inclined surface to prevent the special-shaped cutter head from tilting upward when locked.

[0012] Preferably, the tool head cavity is a rectangular block, a diamond block or an irregular block, and the shape of the tool head is adapted to the tool head cavity.

[0013] Preferably, a screw hole for fixing the blade is provided in the cutter head cavity.

[0014] Preferably, the cavity side wall of the tool head cavity comprises an upper side wall and a lower side wall, the lower side wall is perpendicular to the bottom of the tool head cavity, and the upper side wall is an inclined surface with a preset angle.

[0015] Preferably, a screw hole is provided on the pressing plate body.

[0016] Preferably, the first pressing portion and the second pressing portion are both block-shaped structures.

[0017] The beneficial effects of the utility model are:

[0018] 1. The utility model designs a universal base for the square base end and the cylindrical base end, which is convenient for installation on various machine tools and expands the application breadth of the fixture;

[0019] 2. The utility model can design different profiled special-shaped cutter heads according to the material and shape of the blade, and the grinding blade is fixed in the cutter head cavity. At the same time, the blade cavity design has sufficient fitting reference and clamping strength during the grinding process, thereby ensuring high-precision grinding of the blade;

[0020] 3. The utility model can select a special-shaped cutter head, install the blade in the matching cutter head cavity, and use the vertical semi-reference surface design in the cavity to make the blade highly fit the cavity and maintain a stable high clamping strength. The blade pressure plate and the blade matching screws play a locking role. The special-shaped cutter head is embedded in the universal base for installation. The axes of the machine tool drive the grinding wheel and the universal base to fit the arc surface and multi-end edges of the grinding blade.

[0021] 4. The utility model effectively solves the problem that various types of blades cannot be clamped and sharpened on machine tools, greatly reduces the cost of tool use, improves the flexibility of fixture design, facilitates maintenance and upgrading, reduces fixture manufacturing costs, and improves operating efficiency to achieve the best production and sharpening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is a structural schematic diagram of a universal clamp with a square base end in the utility model;

[0024] Figure 2 It is a structural schematic diagram of a universal clamp with a cylindrical base end in the utility model;

[0025] Figure 3 It is a structural schematic diagram of a universal base with a square base end in the utility model;

[0026] Figure 4 It is a structural schematic diagram of a universal base with a cylindrical base end in the utility model;

[0027] Figure 5 It is a structural schematic diagram of the blade pressing plate in the utility model;

[0028] Figure 6 It is a schematic diagram of the structure of a special-shaped cutter head with a diamond-shaped cutter head cavity;

[0029] Figure 7 It is a schematic diagram of the structure of a special-shaped cutter head with an irregular block cutter head cavity;

[0030] Figure 8 It is a schematic diagram of the structure of a special-shaped cutter head with a rectangular cutter head cavity.

[0031] Reference numerals in the figures:

[0032] 100, universal base; 110, base body; 120, rectangular trough; 130, base end; 140, reverse inclined surface;

[0033] 200, special-shaped cutter head; 210, cutter head body; 220, rectangular connecting block; 230, cutter head cavity; 231, upper side wall; 232, lower side wall;

[0034] 300, blade pressing plate; 310, first pressing portion; 320, second pressing portion; 330, pressing plate body;

[0035] 400. Blade. DETAILED DESCRIPTION

[0036] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0037] like Figure 1-2 As shown, the utility model provides a universal fixture for multi-machine blade grinding; it includes a universal base 100, a special-shaped cutter head 200 and a blade pressing plate 300, and a blade 400 is installed on the special-shaped cutter head 200.

[0038] like Figure 3-4 As shown, the universal base 100 includes a base body 110, a rectangular trough 120 and a base end 130, and the base end 130 includes a square base end and a columnar base end; the base body 110 is a block structure, and the rectangular trough 120 is arranged at the end of the base body 110. The base body 110 is provided with at least one screw hole, preferably two screw holes. The utility model designs a universal base with a square base end and a columnar base end, which is convenient for installation on various machine tools and expands the application breadth of the clamp.

[0039] Specifically, the bottom edge of the rectangular trough body 120 is provided with a 2-degree reverse inclined surface 140 to prevent the special-shaped cutter head 200 from warping up during locking, ensuring that the special-shaped cutter head 200 will not overflow upward or warp up during the thread locking process, while also ensuring the overall reference accuracy of the fixture to a certain extent.

[0040] like Figure 5 As shown, the blade pressing plate 300 includes a first pressing portion 310, a second pressing portion 320 and a pressing plate body 330. The first pressing portion 310 and the second pressing portion 320 are respectively arranged at two ends of the pressing plate body 330. The first pressing portion 310 is used to press the blade 400, and the second pressing portion 320 is used to press the universal base 100. The pressing plate body 330 is provided with at least one screw hole, preferably one screw hole, through which a screw passes to fix and lock the blade 400. The first pressing portion 310 and the second pressing portion 320 are both block-shaped structures.

[0041] like Figure 6-8As shown, the special-shaped cutter head 200 includes a cutter head body 210 and a rectangular connecting block 220. The rectangular connecting block 220 is inserted into the rectangular slot 120, and the screws are fixed in the screw holes to connect the special-shaped cutter head 200 to the universal base 100. The cutter head body 210 is provided with a cutter head cavity 230 for installing the blade; and the cutter head cavity 230 is provided with a screw hole for fixing the blade 400.

[0042] In addition, the cavity side wall of the cutter head cavity 230 includes an upper side wall 231 and a lower side wall 232, the lower side wall 232 is perpendicular to the bottom of the cutter head cavity 230, and the upper side wall 231 is an inclined surface with a preset angle. The utility model improves the design of the cutter head cavity 230, designs the lower side wall 232 of the cutter head cavity 230 as a 90-degree vertical surface, and the upper side wall 231 is an inclined surface with a corresponding backward angle that fits the base surface, thereby eliminating the residual interference caused by contour milling and leaving enough space for the bottom of the cavity to fit, while ensuring the fit and matching of the reference angle surface of the upper half.

[0043] like Figure 6-8 As shown, the cutter head cavity 230 can be a rectangular block, a diamond block or an irregular block, and the shape of the blade 400 is adapted to the cutter head cavity 230, and the required shape can be set according to actual needs. The utility model has unlimited expansibility, and different profiled cutter heads can be designed according to the material and shape of the blade. The grinding blade is fixed in the cutter head cavity. At the same time, the blade cavity design has sufficient fitting reference and clamping strength during the grinding process, thereby ensuring high-precision grinding of the blade.

[0044] The utility model can select a special-shaped cutter head, install the blade in a matching cutter head cavity, and use the vertical semi-reference surface design in the cavity to make the blade highly fit the cavity and maintain a stable high clamping strength. The blade pressure plate and the blade matching screws play a locking role. The special-shaped cutter head is embedded in the universal base for installation, and the various axes of the machine tool drive the grinding wheel and the universal base to fit the arc surface and multiple end edges of the blade.

[0045] The working principle of the utility model is as follows: the user installs the square base end or the cylindrical base end of the universal base 100 on the CNC automatic equipment / manual grinding equipment, selects the appropriate special-shaped cutter head 200, and the blade 400 is installed in the cutter head cavity 230. The blade pressing plate 300 is used as a clamping block to lock the blade 400. The inner wall of the cavity and the outer embedded surface of the cutter head are used as the inner and outer reference surfaces for blade grinding. The axes of the machine tool drive the grinding wheel and the base to fit the arc surface of the blade and the multiple edge sections for grinding.

[0046] In summary, the utility model effectively solves the problem that various types of blades cannot be clamped and sharpened on machine tools, greatly reduces the cost of tool use, improves the flexibility of fixture design, facilitates maintenance and upgrading, reduces fixture manufacturing costs, and improves operating efficiency to achieve the best production and sharpening effect.

[0047] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A universal fixture for grinding blades of multiple machines, characterized in that: include: A universal base, comprising a base body, a rectangular slot body and a base end, wherein the base body is a block structure, the rectangular slot body is arranged at the end of the base body, the base body is provided with at least one screw hole, and the base end includes a square base end and a columnar base end; The special-shaped cutter head comprises a cutter head body and a rectangular connecting block, wherein the rectangular connecting block is inserted into the rectangular slot body, and a screw is fixed in the screw hole to connect the special-shaped cutter head with the universal base; the cutter head body is provided with a cutter head cavity for installing a blade; The blade pressing plate includes a first pressing part, a second pressing part and a pressing plate body. The first pressing part and the second pressing part are respectively arranged at two ends of the pressing plate body. The first pressing part is used to press the blade, and the second pressing part is used to press the universal base. At least one screw hole is provided on the pressing plate body, and a screw is passed through the screw hole to fix and lock the blade.

2. A universal fixture for multi-machine blade grinding as claimed in claim 1, characterized in that: The base body is provided with two screw holes.

3. A universal fixture for multi-machine blade grinding as claimed in claim 1, characterized in that: The bottom edge of the rectangular trough body is provided with a 2-degree reverse inclined surface to prevent the special-shaped cutter head from tilting up when locked.

4. A universal fixture for multi-machine blade grinding as claimed in claim 1, characterized in that: The cutter head cavity is a rectangular parallelepiped, a diamond block or an irregular block, and the shape of the cutter head is adapted to the cutter head cavity.

5. The universal fixture for multi-machine blade grinding according to claim 1, characterized in that: The cutter head cavity is provided with a screw hole for fixing the blade.

6. A universal fixture for multi-machine blade grinding as claimed in claim 1, characterized in that: The cavity side wall of the tool head cavity comprises an upper side wall and a lower side wall, the lower side wall is perpendicular to the bottom of the tool head cavity, and the upper side wall is an inclined surface with a preset angle.

7. A universal fixture for multi-machine blade grinding as claimed in claim 1, characterized in that: A screw hole is provided on the pressing plate body.

8. The universal fixture for multi-machine blade grinding according to claim 1, characterized in that: The first pressing portion and the second pressing portion are both block-shaped structures.

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