CN219901127U - Spring sheet type tool holder - Google Patents
Spring sheet type tool holder Download PDFInfo
- Publication number
- CN219901127U CN219901127U CN202321726921.7U CN202321726921U CN219901127U CN 219901127 U CN219901127 U CN 219901127U CN 202321726921 U CN202321726921 U CN 202321726921U CN 219901127 U CN219901127 U CN 219901127U
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- cutter
- positioning block
- holder base
- positioning
- cutter holder
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- 238000003754 machining Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The utility model provides a spring sheet type cutter holder, which relates to the field of automatic numerical control machining and comprises a cutter holder base body, a spring sheet, a first positioning block and a second positioning block, wherein the cutter holder base body is positioned above the spring sheet, one end of the cutter holder base body is connected with one end of the spring sheet, the first positioning block and the second positioning block are arranged on the spring sheet, an arc-shaped groove is formed in the cutter holder base body, and a cutter holder base body bulge is arranged in the arc-shaped groove; the cutter holder has simple structure and low cost, and is realized by directly pressing down the positioning block by adopting the movement of the main shaft when the cutter is loosened; when the main shaft is used for returning a cutter, the main shaft only needs to press down the first positioning block and the second positioning block, the spring piece is elastically deformed, the cutter is placed in the cutter holder base body, the trapezoid groove on the cutter is matched with the protrusion of the cutter holder base body, then the main shaft loosens the cutter to move upwards, the spring piece resets, the positioning key is inserted into the positioning key groove, the cutter can be accurately positioned and prevented from moving, rotating and falling off, the reliability is high, and the cutter changing can be rapidly completed in a short time.
Description
Technical Field
The utility model belongs to the field of automatic numerical control machining, and particularly relates to a spring sheet type tool holder.
Background
The tool holder is a part of an automatic tool changing system, has various forms and types, is used for clamping and fixing tools in a tool magazine, and can also be used for fixing tools on a tool changer.
The cutter is a standard component, the structure of the cutter is shown in figure 1, and a trapezoid groove 0-1 and two positioning key grooves 0-2 are formed in the side face of the cutter.
The existing tool holders have the following disadvantages:
1. the tool holder is usually used for fixing the tool in the tool magazine by using the tool sleeve, and when the tool changing action is executed, the tool is required to be taken out from the tool magazine by using the tool changer and then is arranged on the main shaft, so that the time is wasted;
2. a plurality of spring structures are used, and the loosening knife needs to use execution structures such as a cylinder to loosen the spring;
3. the cost is higher, the structure is complex, and a cylinder or other power elements are required for loosening the cutter of the cutter holder.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the spring sheet type tool holder which has the advantages of simple structure, low cost, and quick and efficient tool replacement, and can effectively fix a tool.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a spring sheet formula cutter holder, includes cutter holder base member, spring leaf, first locating piece and second locating piece, the cutter holder base member is located the top of spring leaf, the shape of spring leaf is the U type, the one end of cutter holder base member with the spring leaf is kept away from U type open-ended one end and is connected, first locating piece with the second locating piece is installed respectively the top of the U type open-ended both ends of spring leaf, an arc recess has been seted up to the other end of cutter holder base member, is equipped with the cutter holder base member arch in the arc recess.
Further, the first locating block comprises a first body, a first locating key and a first limiting block, the first locating key is installed on the lateral surface of the lower portion of the first body, the first limiting block is installed below the first body, the second locating block comprises a second body, a second locating key and a second limiting block, the second locating key is installed on the lateral surface of the lower portion of the second body, and the second limiting block is installed below the second body.
Further, two limiting grooves are respectively formed in two ends of the U-shaped opening of the spring piece, and the first limiting block and the second limiting block are inserted into the limiting grooves to position the first positioning block and the second positioning block.
Further, the first locating key and the second locating key face into the arc-shaped groove of the tool holder base body.
Further, the first positioning key and the second positioning key are both shaped as a part remaining after one triangular prism is cut along one corner of the triangular prism.
Further, the lengths of the first positioning key and the second positioning key are smaller than the length of the positioning key groove on the cutter.
Further, the first body and the second body are both shaped as a part remaining after one triangular prism is cut along a corner of the triangular prism.
The beneficial effects are that:
the utility model provides a spring sheet type cutter holder, which comprises a cutter holder base body, a spring piece, a first positioning block and a second positioning block, wherein the cutter holder base body is positioned above the spring piece; the cutter holder is simple in structure and low in cost, and is realized by directly pressing down the positioning block by adopting the movement of the main shaft when the cutter is loosened, and the spring is not required to be loosened by using executing structures such as a cylinder and the like; when the main shaft is used for returning a cutter, the main shaft only needs to press down the first positioning block and the second positioning block, the spring piece is elastically deformed, the cutter is placed in the cutter holder base body, the trapezoid groove on the cutter is matched with the protrusion of the cutter holder base body, then the main shaft loosens the cutter to move upwards, the spring piece resets, the positioning key is inserted into the positioning key groove, the cutter can be accurately positioned and prevented from moving, rotating and falling off, the reliability is high, and the cutter changing can be rapidly completed in a short time.
The conception, specific structure, and technical effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.
Drawings
FIG. 1 is a schematic diagram of a standard tool;
FIG. 2 is a schematic view of a spring plate type toolholder;
FIG. 3 is a schematic view of the structure of a toolholder body;
FIG. 4 is a schematic view of a spring plate;
FIG. 5 is a schematic view of a first positioning block;
FIG. 6 is a schematic structural view of a second positioning block;
FIG. 7 is a schematic view of a spring plate without deformation;
FIG. 8 is a schematic view of a spring plate deformed;
FIG. 9 is a schematic view of a first positioning key inserted into a positioning key slot;
FIG. 10 is a schematic view of the structure of the main shaft tool;
reference numerals: 0. a cutter; 0-1, trapezoid groove; 0-2, positioning key grooves; 1. a holder base; 1-1, a tool holder base body bulge; 2. a spring piece; 2-1, a limit groove; 3. a first positioning block; 3-1, a first body; 3-2, a first positioning key; 3-3, a first limiting block; 4. a second positioning block; 4-1, a second body; 4-2, a second positioning key; 4-3, a second limiting block; 5. a main shaft.
Detailed Description
The utility model is further described below in conjunction with the detailed description. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.
In the drawings, like structural elements are referred to by like reference numerals and components having similar structure or function are referred to by like reference numerals. The dimensions and thickness of each component shown in the drawings are arbitrarily shown, and the present utility model is not limited to the dimensions and thickness of each component. The thickness of the components is exaggerated in some places in the drawings for clarity of illustration.
As shown in fig. 2-10, the utility model provides a spring sheet type tool holder, which comprises a tool holder base body 1, a spring piece 2, a first positioning block 3 and a second positioning block 4, wherein the tool holder base body 1 is positioned above the spring piece 2, the spring piece 2 is in a U shape, one end of the tool holder base body 1 is connected with one end of the spring piece 2 far away from a U-shaped opening, the first positioning block 3 and the second positioning block 4 are respectively arranged above two ends of the U-shaped opening of the spring piece 2, an arc-shaped groove is formed in the other end of the tool holder base body 1, a tool holder base body bulge 1-1 is arranged in the arc-shaped groove, the section of the tool holder base body bulge 1-1 is trapezoid, and the tool holder base body bulge 1-1 is matched with a trapezoid groove 0-1 on a tool 0.
The first positioning block 3 comprises a first body 3-1, a first positioning key 3-2 and a first limiting block 3-3, the first positioning key 3-2 is arranged on the side face of the lower portion of the first body 3-1, the first limiting block 3-3 is arranged below the first body 3-1, the second positioning block 4 comprises a second body 4-1, a second positioning key 4-2 and a second limiting block 4-3, the second positioning key 4-2 is arranged on the side face of the lower portion of the second body 4-1, and the second limiting block 4-3 is arranged below the second body 4-1.
Two limit grooves 2-1 are respectively formed in two end parts of the U-shaped opening of the spring piece 2, and the first limit block 3-3 and the second limit block 4-3 are inserted into the limit grooves 2-1 to position the first positioning block 3 and the second positioning block 4.
The first detent key 3-2 and the second detent key 4-2 are both directed into the arcuate recess of the holder body 1.
The first positioning key 3-2 and the second positioning key 4-2 are each shaped such that a part of the triangular prism remains after one is cut along a corner of the triangular prism.
The first body 3-1 and the second body 4-1 are formed by cutting a triangular prism along a corner of the triangular prism and then carrying out smooth rounding treatment on the upper parts of the first body 3-1 and the second body 4-1.
The length of the first positioning key 3-2 and the second positioning key 4-2 is smaller than the length of the positioning key groove 0-2 on the cutter 0.
The process for replacing the cutter by adopting the spring sheet type cutter holder provided by the utility model is as follows:
1. when the tool holder is empty, the first positioning block 3 and the second positioning block 4 can be pressed down by manual or other mechanical structures to further enable the spring piece 2 to elastically deform, the first positioning block 3, the second positioning block 4 and the spring piece 2 can be displaced downwards to a certain extent, at this time, the tool 0 can be easily placed into the tool holder base 1, the tool 0 is a standard tool, such as an HSK or BT tool holder, and a trapezoid groove 0-1 on the tool 0 is matched with a tool holder base bulge 1-1 with a trapezoid cross section in an arc groove of the tool holder base 1; the first positioning block 3 and the second positioning block 4 which are pressed down are loosened, and in the process of resetting the spring piece 2, the first positioning key 3-2 on the first positioning block 3 and the second positioning key 4-2 on the second positioning block 4 are inserted into the two positioning key grooves 0-2 on the cutter 0 to fix the cutter 0;
2. when the spindle 5 is used for taking a knife, the spindle 5 moves downwards from the position right above the cutter 0, a structure capable of being pressed above the first positioning block 3 and the second positioning block 4 is designed on the spindle 5, in the process of downwards moving the spindle 5, the spindle 5 is connected with the cutter 0, meanwhile, the first positioning block 3 and the second positioning block 4 are pressed downwards to cause the spring piece 2 to deform, further, the first positioning key 3-2 on the first positioning block 3 and the second positioning key 4-2 on the second positioning block 4 are separated from two positioning key grooves 0-2 on the cutter 0, the cutter 0 can be taken out after the spindle 5 moves in parallel, and when the spindle 5 leaves a certain distance, the first positioning block 3 and the second positioning block 4 are not pressed downwards any more, and the spring piece 2, the first positioning block 3 and the second positioning block 4 are reset;
3. when the spindle 5 returns to the tool, the spindle 5 moves along the horizontal direction of the tool 0, the structure on the spindle 5 can be contacted with the chamfer upper inclined surface formed after one triangular prism is cut off by one corner of the triangular prism on the first positioning block 3 and the second positioning block 4, (the chamfer design on the first positioning block 3 and the second positioning block 4 is convenient for guiding the spindle 5 to press down the first positioning block 3 and the second positioning block 4 along the chamfer), along with the horizontal displacement of the spindle 5, the first positioning block 3 and the second positioning block 4 gradually press down, so that the spring piece 2 is elastically deformed, the tool 0 is placed in the tool holder base 1, the trapezoid groove 0-1 on the tool 0 is matched with the tool holder base bulge 1-1 with the trapezoid cross section in the arc groove of the tool holder base 1, at this time, the spindle 5 is released from being connected with the tool 0, the upward displacement occurs, meanwhile, the first positioning key 3-2 on the first positioning block 3 and the second positioning block 4 are also displaced upward under the spring force of the spring piece 2, the second positioning key 4-2 on the first positioning block 3 and the second positioning key 4 are inserted into the two key grooves 0-2 on the tool holder base 0, and the tool 0 is accurately positioned and prevented from falling off and moving.
In the process of replacing a tool by using the spring plate type tool holder, when the spring piece 2 is deformed, the first positioning block 3 and the second positioning block 4 do not move in the vertical direction, but rotate, horizontally displace and vertically displace at the same time, and chamfering designs on the first positioning key 3-2 and the second positioning key 4-2 are convenient for preventing the first positioning key 3-2 and the second positioning key 4-2 from interfering with the positioning key groove 0-2 on the tool 0 when the spring piece 2 is deformed.
Finally, it should be noted that: the present utility model is not limited to the above embodiments, and all equivalent structures or equivalent processes using the contents of the specification and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a spring sheet formula cutter holder, its characterized in that, includes cutter holder base member (1), spring leaf (2), first locating piece (3) and second locating piece (4), cutter holder base member (1) are located the top of spring leaf (2), the shape of spring leaf (2) is the U type, the one end of cutter holder base member (1) with U type open-ended one end is kept away from to spring leaf (2) is connected, first locating piece (3) with second locating piece (4) are installed respectively the top of the U type open-ended both ends of spring leaf (2), an arc recess has been seted up to the other end of cutter holder base member (1), is equipped with cutter holder base member arch (1-1) in the arc recess.
2. The spring sheet type tool holder according to claim 1, wherein the first positioning block (3) includes a first body (3-1), a first positioning key (3-2) and a first stopper (3-3), the first positioning key (3-2) is installed at a lower side of the first body (3-1), the first stopper (3-3) is installed below the first body (3-1), the second positioning block (4) includes a second body (4-1), a second positioning key (4-2) and a second stopper (4-3), the second positioning key (4-2) is installed at a lower side of the second body (4-1), and the second stopper (4-3) is installed below the second body (4-1).
3. The spring sheet type tool holder according to claim 2, wherein two limiting grooves (2-1) are respectively formed at two ends of the U-shaped opening of the spring sheet (2), and the first limiting block (3-3) and the second limiting block (4-3) are inserted into the limiting grooves (2-1) to position the first positioning block (3) and the second positioning block (4).
4. A spring sheet type tool holder according to claim 3, characterized in that the first detent key (3-2) and the second detent key (4-2) are both directed into an arc-shaped recess of the tool holder base body (1).
5. The spring sheet type holder according to claim 4, wherein the first detent key (3-2) and the second detent key (4-2) are each shaped such that a remaining portion after cutting one triangular prism along a corner of the triangular prism.
6. The spring plate type tool holder according to claim 4, wherein the length of the first positioning key (3-2) and the second positioning key (4-2) is smaller than the length of the positioning key groove (0-2) on the tool (0).
7. The spring sheet type holder according to claim 2, wherein the first body (3-1) and the second body (4-1) are each shaped such that a remaining portion after cutting one triangular prism along a corner of the triangular prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321726921.7U CN219901127U (en) | 2023-07-03 | 2023-07-03 | Spring sheet type tool holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321726921.7U CN219901127U (en) | 2023-07-03 | 2023-07-03 | Spring sheet type tool holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219901127U true CN219901127U (en) | 2023-10-27 |
Family
ID=88465772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321726921.7U Active CN219901127U (en) | 2023-07-03 | 2023-07-03 | Spring sheet type tool holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219901127U (en) |
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2023
- 2023-07-03 CN CN202321726921.7U patent/CN219901127U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |