CN215942329U - Grating ruler reading head mounting structure and machine tool - Google Patents
Grating ruler reading head mounting structure and machine tool Download PDFInfo
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- CN215942329U CN215942329U CN202120402650.4U CN202120402650U CN215942329U CN 215942329 U CN215942329 U CN 215942329U CN 202120402650 U CN202120402650 U CN 202120402650U CN 215942329 U CN215942329 U CN 215942329U
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Abstract
The utility model discloses a reading head mounting structure of a grating ruler and a machine tool, wherein the reading head mounting structure comprises a reading head mounting seat and a reading head seat, the reading head mounting seat is used for being fixed to an external moving part and moving along with the external moving part, the reading head seat is used for mounting a reading head, the reading head mounting seat is provided with a first mounting hole, the reading head seat is correspondingly provided with a second mounting hole, the reading head mounting seat and the reading head seat are connected through a fastener inserted into the first mounting hole and the second mounting hole, the first mounting hole and/or the second mounting hole are/is a waist-shaped hole, and the length direction of the waist-shaped hole is perpendicular to the moving direction of the reading head mounting seat. The reading head mounting structure can change the connecting position of the reading head seat and the reading head mounting seat by utilizing the waist-shaped hole, thereby reserving a preset space for mounting the grating ruler, offsetting the influence caused by the size error of the reading head seat or the reading head mounting seat, being flexible and convenient to assemble, and reducing the size requirement on parts.
Description
Technical Field
The utility model relates to the technical field of machine tools, in particular to a reading head mounting structure of a grating ruler and a machine tool.
Background
In the production and processing process of mechanical parts, it is very necessary to equip a grating ruler for key moving part accessories on a machine tool, the grating ruler comprises a ruler grating and a reading head, and the reading head can read the ruler grating so as to ensure the moving precision of the moving part accessories. In the assembling process of the machine tool, if the size of a part for installing the grating ruler deviates, the distance between the part and the machine tool is too small or too large, so that the grating ruler cannot be installed at a preset position, and the corresponding part needs to be matched and ground to install the grating ruler at the preset position. Therefore, the existing machine tool has high requirements on the size of parts and is not flexible to assemble.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a reading head mounting structure of a grating ruler, which is convenient to assemble.
The utility model also provides a machine tool using the reading head mounting structure of the grating ruler.
The utility model provides a reading head mounting structure of grating chi, reading head is used for right grating ruler's scale grating reads, reading head mounting structure is including being used for fixing to outside moving part and following the reading head mount pad of outside moving part motion with be used for supplying the reading headstock of reading head installation, reading head mount pad is equipped with first mounting hole, reading headstock correspondence is equipped with the second mounting hole, reading head mount pad with the reading headstock is through inserting first mounting hole with the fastener of second mounting hole is connected, first mounting hole and/or the second mounting hole is waist shape hole, just the length direction in waist shape hole with the direction of motion of reading head mount pad is mutually perpendicular.
In some embodiments, the reading head mounting seat includes a first main body portion and a first connecting portion formed at one end of the first main body portion in a bent manner, and the first mounting hole penetrates through the first connecting portion.
In some embodiments, the reading head base includes a second main body portion and a second connecting portion formed at one end of the second main body portion in a bent manner, the first connecting portion and the second connecting portion are stacked, and the second mounting hole is formed in the second connecting portion.
In some embodiments, the second connection portion is located above the first connection portion, a top surface of the first connection portion is recessed to form a groove, and the second connection portion is inserted into the groove.
In some embodiments, an end of the first main body portion, which is away from the first connection portion, is provided with a first extension portion for connecting with the external moving component, and the first extension portion and the first connection portion extend in opposite directions.
In some embodiments, one end of the second main body portion, which is far away from the second connecting portion, is provided with a second extending portion for connecting with the reading head, and the second extending portion and the second connecting portion extend in the same direction.
The present invention also provides a machine tool comprising:
a bed body;
the workbench is arranged on the lathe bed and can move relative to the lathe bed;
the protective cover is arranged on the outer sides of the lathe bed and the workbench;
the grating ruler comprises a scale grating fixed on the lathe bed and a reading head in sliding connection with the scale grating;
reading head mounting structure is connected to the workstation can follow the motion of workstation and move, reading head mounting structure's one end with the workstation is connected and is located in the protection casing, the other end extends to outside the protection casing, the reading head install in reading head mounting structure is located outside the protection casing.
In some embodiments, the reading head mounting structure includes a reading head mounting seat and a reading head seat, one end of the reading head mounting seat is fixedly connected with the workbench and located between the workbench and the protective cover, the other end of the reading head mounting seat extends out of the protective cover and is detachably connected with the reading head seat, and the reading head is fixed on one side of the reading head seat facing the bed.
In some embodiments, the reading head mounting seat includes a first main body portion, and a first connecting portion and a first extending portion respectively disposed at two ends of the first main body portion, the first connecting portion extends in a direction away from the bed, the first extending portion extends toward the workbench and is fixedly connected to the workbench, the reading head seat includes a second main body portion, and a second connecting portion and a second extending portion respectively disposed at two ends of the second main body portion, the second connecting portion and the second extending portion both extend toward the bed, the reading head is fixed to the second extending portion, and the second connecting portion is detachably connected to the first connecting portion.
In some embodiments, the first connecting portion has a first mounting hole, the second connecting portion has a second mounting hole, the first mounting hole and/or the second mounting hole are/is a waist-shaped hole, the reading head mounting seat and the reading head seat are connected by a fastener inserted into the first mounting hole and the second mounting hole, and a length direction of the waist-shaped hole is perpendicular to a moving direction of the reading head mounting structure.
According to the scheme provided by the utility model, the connecting position of the reading head seat and the reading head mounting seat can be changed by utilizing the waist-shaped hole, so that a preset space for mounting the grating ruler is reserved, the influence caused by the size error of the reading head seat or the reading head mounting seat is counteracted, the assembly is flexible and convenient, and the size requirement on parts is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a machine tool according to an embodiment of the present invention;
FIG. 2 is an assembly view of the reading head mounting structure and the grating ruler shown in FIG. 1;
FIG. 3 is a schematic structural view of the readhead mount shown in FIG. 2;
fig. 4 is a schematic structural diagram of the reading head seat shown in fig. 2.
In the figure: 1. a machine tool; 10. a bed body; 20. a work table; 30. a grating scale; 40. a reading head mounting structure; 31. a scale grating; 32. a reading head; 50. a protective cover; 41. a reading head mounting base; 42. a reading head seat; 411. a first main body portion; 412. a first connection portion; 413. a first extension portion; 4131. a first connection hole; 421. a second main body portion; 422. a second connecting portion; 423. a second extension portion; 4231. a second connection hole; 4121. a first mounting hole; 4221. a second mounting hole; 4122. and (4) a groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
It should be noted that all directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 1 to 4, a machine tool 1 according to an embodiment of the present invention includes a machine bed 10, a table 20, a grating ruler 30, and a reading head mounting structure 40, wherein the table 20 is mounted on a top of the machine bed 10 and can perform a reciprocating linear motion with respect to the machine bed 10, and the reading head mounting structure 40 is fixedly connected to the table 20 and can move along with the movement of the table 20. Grating scale 30 includes scale grating 31 and slidable mounting in scale grating 31's reading head 32, wherein, reading head 32 fixed connection to reading head mounting structure 40, can follow reading head mounting structure 40 and move, and scale grating 31 is then fixed to lathe bed 10, can not remove, consequently, when workstation 20 moves relatively lathe bed 10, just can drive the relative scale grating 31 motion of reading head 32 through reading head mounting structure 40, reading head 32 can read scale grating 31, thereby the amount of exercise of accurate control workstation 20.
It will be appreciated that the readhead 32 may be slidably mounted on the bottom of the scale grating 31, or on the side of the scale grating 31 remote from the bed 10.
The way of the table 20 performing the reciprocating linear motion with respect to the bed 10 is not limited, and for example, a screw transmission pair may be provided, or a slide rail may be provided.
In the illustrated embodiment, the machine tool 1 further includes a shield 50, and a connection portion between the bed 10 and the table 20 is located in the shield 50 to prevent water, debris, or the like during machining from entering between the bed 10 and the table 20 and damaging the connection portion.
One end of the reading head mounting structure 40 is fixedly connected with the workbench 20 and is located between the protective cover 50 and the workbench 20, the other end extends downwards to the outside of the protective cover 50, the grating ruler 30 is located outside the protective cover 50, and the reading head 32 of the grating ruler 30 is fixedly connected with one end of the reading head mounting structure 40, which is located outside the protective cover 50. One end of the reading head mounting structure 40 extends to the outside of the protective cover 50 to be provided for the reading head 32 to be mounted, so that the protective cover 50 can be avoided, and the grating ruler 30 is located outside the protective cover 50, therefore, when the grating ruler 30 needs to be maintained or replaced, the grating ruler 30 can be directly detached from the reading head mounting structure 40 and the lathe bed 10, the influence of the protective cover 50 can not be caused, the protective cover 50 does not need to be detached, the grating ruler 30 is convenient to disassemble and assemble, and the work load is reduced.
The reading head mounting structure 40 comprises a reading head mounting seat 41 and a reading head seat 42, one end of the reading head mounting seat 41 is used for being fixedly connected with an external moving part, namely the workbench 20, the other end of the reading head mounting seat extends out of the protective cover 50, the reading head seat 42 is located outside the protective cover 50 and is detachably connected with one end of the reading head mounting seat 41 located outside the protective cover 50, and the reading head 32 is fixedly connected to the reading head seat 42.
The reading head mounting base 41 includes a first main body 411, a first connecting portion 412 and a first extending portion 413, wherein the first connecting portion 412 and the first extending portion 413 are respectively located on two opposite sides of the first main body 411 and extend in opposite directions. Specifically, the first connecting portion 412 and the first extending portion 413 are respectively located at both ends of the first main body 411, so that the readhead mounting base 41 has a substantially zigzag shape. The first extension 413 is located in the protective cover 50 and extends towards the workbench 20, the first extension 413 is provided with a plurality of first connection holes 4131 in a penetrating manner, and the connection pieces penetrate through the corresponding first connections and then are fixedly connected with the workbench 20, so that the reading head mounting base 41 is fixed on the workbench 20, and the reading head mounting base 41 can move along with the movement of the workbench 20.
The reading head seat 42 includes a second main body 421, a second connecting portion 422, and a second extending portion 423, where the second connecting portion 422 and the second extending portion 423 are spaced from each other up and down and are located on one side of the second main body 421 facing the bed 10. Specifically, the second connecting portion 422 and the second extending portion 423 are respectively located at two ends of the second main body portion 421, the second connecting portion 422 is hung on the first connecting portion 412, the second extending portion 423 is provided with a plurality of second connecting holes 4231 in a penetrating manner, and the connecting member is fixedly connected with the reading head 32 after passing through the corresponding second connecting holes 4231.
The first connecting portion 412 of the reading head mounting base 41 is provided with a first mounting hole 4121, the second connecting portion 422 of the reading head base 42 is correspondingly provided with a second mounting hole 4221, and a fastener such as a bolt is inserted into the first mounting hole 4121 and the second mounting hole 4221, so that the reading head mounting base 41 and the reading head base 42 are fixed. At least one of the first mounting hole 4121 and the second mounting hole 4221 is a slotted hole, and the length direction of the slotted hole is perpendicular to the moving direction of the reading head mounting seat 41. During assembly, the reading head mounting base 41 may be fixed to the worktable 20 by using the first extending portion 413, then the reading head 32 is fixed to the second extending portion 423, then the second connecting portion 422 is hung on the first connecting portion 412, the reading head base 42 is pushed toward the bed 10, so as to push the grating scale 30 to a predetermined mounting position, and finally the scale grating 31 and the bed 10 are fixed, and the first connecting portion 412 and the second connecting portion 422 are fixed, so that the assembly can be completed. Due to the waist-shaped hole, even if the size of the reading head seat 42 or the reading head mounting seat 41 has errors, the distance for pushing the reading head seat 42 towards the lathe bed 10 can be controlled by the waist-shaped hole, namely, the specific connecting position of the reading head seat 42 and the reading head mounting seat 41 is changed, so that the influence caused by the size errors is counteracted, the assembly is flexible and convenient, and the size requirement on parts is reduced.
In the illustrated embodiment, the first mounting hole 4121 is a circular hole and the second mounting hole 4221 is a kidney-shaped hole.
The top of the first connecting part 412 is recessed to form a groove 4122, the groove 4122 is located at the middle of the first connecting part 412, and the second connecting part 422 is slidably inserted into the groove 4122. When the reading head base 42 is pushed, the groove wall of the groove 4122 can limit the reading head base 42, so that the reading head base 42 is prevented from deviating, the first mounting hole 4121 is aligned with the second mounting hole 4221, and the operation of workers is facilitated.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a reading head mounting structure of grating chi, reading head are used for right the scale grating of grating chi reads, its characterized in that, reading head mounting structure is including being used for fixing to outside moving part and following the reading head mount pad of outside moving part motion with be used for supplying the reading headstock of reading head installation, reading head mount pad is equipped with first mounting hole, reading headstock correspondence is equipped with the second mounting hole, reading head mount pad with the reading headstock is through inserting first mounting hole with the fastener of second mounting hole is connected, first mounting hole and/or the second mounting hole is waist shape hole, just the length direction of waist shape hole with the direction of motion of reading head mount pad is mutually perpendicular.
2. The reading head mounting structure according to claim 1, wherein the reading head mounting base includes a first main body portion and a first connecting portion formed at one end of the first main body portion in a bent manner, and the first mounting hole penetrates through the first connecting portion.
3. The reading head mounting structure according to claim 2, wherein the reading head base includes a second main body portion and a second connecting portion formed by bending at one end of the second main body portion, the first connecting portion and the second connecting portion are stacked, and the second mounting hole is formed in the second connecting portion.
4. The reading head mounting structure according to claim 3, wherein the second connecting portion is located above the first connecting portion, a top surface of the first connecting portion is recessed to form a groove, and the second connecting portion is inserted into the groove.
5. The readhead mounting structure of claim 2, wherein an end of the first main body portion remote from the first connection portion is provided with a first extension portion for connection with the external moving part, the first extension portion extending in an opposite direction from the first connection portion.
6. The readhead mounting structure of claim 3, wherein an end of the second body portion remote from the second connecting portion is provided with a second extending portion for connecting with the readhead, and the second extending portion and the second connecting portion extend in the same direction.
7. A machine tool, comprising:
a bed body;
the workbench is arranged on the lathe bed and can move relative to the lathe bed;
the protective cover is arranged on the outer sides of the lathe bed and the workbench;
the grating ruler comprises a scale grating fixed on the lathe bed and a reading head in sliding connection with the scale grating;
reading head mounting structure is connected to the workstation can follow the motion of workstation and move, reading head mounting structure's one end with the workstation is connected and is located in the protection casing, the other end extends to outside the protection casing, the reading head install in reading head mounting structure is located outside the protection casing.
8. The machine tool of claim 7, wherein the reading head mounting structure comprises a reading head mounting seat and a reading head seat, one end of the reading head mounting seat is fixedly connected with the workbench and positioned between the workbench and the protective cover, the other end of the reading head mounting seat extends out of the protective cover and is detachably connected with the reading head seat, and the reading head is fixed on one side of the reading head seat facing the machine tool body.
9. The machine tool according to claim 8, wherein the reading head mounting base comprises a first main body part, and a first connecting part and a first extending part which are respectively arranged at two ends of the first main body part, the first connecting part extends towards the direction away from the machine tool body, the first extending part extends towards the workbench and is fixedly connected with the workbench, the reading head base comprises a second main body part, and a second connecting part and a second extending part which are respectively arranged at two ends of the second main body part, the second connecting part and the second extending part both extend towards the machine tool body, the reading head is fixed on the second extending part, and the second connecting part is detachably connected with the first connecting part.
10. The machine tool according to claim 9, wherein a first mounting hole is formed through the first connecting part, a second mounting hole is correspondingly formed in the second connecting part, the first mounting hole and/or the second mounting hole are/is a waist-shaped hole, the reading head mounting seat and the reading head seat are connected through a fastener inserted into the first mounting hole and the second mounting hole, and the length direction of the waist-shaped hole is perpendicular to the moving direction of the reading head mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120402650.4U CN215942329U (en) | 2021-02-25 | 2021-02-25 | Grating ruler reading head mounting structure and machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120402650.4U CN215942329U (en) | 2021-02-25 | 2021-02-25 | Grating ruler reading head mounting structure and machine tool |
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| CN215942329U true CN215942329U (en) | 2022-03-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117968536A (en) * | 2024-03-29 | 2024-05-03 | 珠海格力智能装备技术研究院有限公司 | Measuring device |
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2021
- 2021-02-25 CN CN202120402650.4U patent/CN215942329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117968536A (en) * | 2024-03-29 | 2024-05-03 | 珠海格力智能装备技术研究院有限公司 | Measuring device |
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