CN213004160U

CN213004160U - Linear grating ruler mounting structure

Info

Publication number: CN213004160U
Application number: CN202022065854.1U
Authority: CN
Inventors: 张萍; 颜廷付
Original assignee: Wuxi Haiwei Hydraulic Technology Co ltd
Current assignee: Wuxi Haiwei Hydraulic Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-04-20
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a linear grating chi mounting structure relates to grating chi technical field. This grating ruler's chi internal installation cavity that is equipped with, the mounting hole has been seted up on the lathe, be equipped with on the chi body bottom surface be used for with the installed part of mounting hole adaptation connection, the installed part includes the installation pole with mounting hole adaptation and hollow setting, be equipped with a plurality of connecting blocks that encircle the installation pole central line and set up in the installation pole, the installation pole side sets up the opening, the connecting hole of adaptation connecting block is seted up to the corresponding opening of mounting hole lateral wall, can trompil in advance on the lathe, avoid when the installation to punch temporarily, the installation accuracy is higher simultaneously, prevent to punch and appear size deviation, and simultaneously grating ruler of various sizes can install fixedly through same mounting hole, grating ruler's installation and use have been made things convenient for in the very big degree, and simplified the installation and.

Description

Linear grating ruler mounting structure

Technical Field

The utility model relates to a grating chi technical field especially relates to a linear grating chi mounting structure.

Background

A grating scale, also called a grating scale displacement sensor (grating scale sensor), is a measurement feedback device that operates using the optical principle of a grating. Grating scales are often applied to closed-loop servo systems of numerically controlled machine tools and can be used for detecting linear displacement or angular displacement. The signal output by the sensor is digital pulse, and the sensor has the characteristics of large detection range, high detection precision and high response speed.

In a numerically controlled machine tool, it is often used to detect the coordinates of the tool and the workpiece to observe and track the feed error, so as to compensate the motion error of the tool. The grating scale is divided into a transmission grating and a reflection grating according to different manufacturing methods and optical principles.

The key part of the grating detection device is a grating reading head which comprises a light source, a convergent lens, an indication grating, a photoelectric element, an adjusting mechanism and the like.

At present, chinese patent that the publication number is CN210588444U discloses a digit control machine tool linear grating chi, and it includes the bottom plate, the last fixed surface of bottom plate is connected with the fixing base, first mounting groove has been seted up to one side that the fixing base is close to the bottom plate, the quantity of first mounting groove is two, two the second mounting groove has been seted up to one side that the bottom plate was kept away from to first mounting groove inner wall, the spacing groove has all been seted up to the both sides of fixing base inner wall, the quantity of spacing groove is two, two the equal overlap joint of inner wall of spacing groove has the gyro wheel that can rotate, the quantity of gyro wheel is four.

This kind of grating chi passes through the gyro wheel and makes the more smooth and easy steady removal of mount pad to reduce the error of reader reading, reached the purpose of convenient to use, but because this kind of straight line grating chi is on the lathe through screw snap-on, need directly beat the screw hole on the lathe during installation, the difficult assurance of the accuracy of punching, holistic installation degree of difficulty has been promoted, the lathe probably needs the not grating chi of equidimension to measure simultaneously, need punch again after changing the grating chi, great inconvenience has been brought for installation and use.

SUMMERY OF THE UTILITY MODEL

The utility model provides an above-mentioned technical problem, overcome prior art's shortcoming, provide a linear grating chi mounting structure.

In order to solve the technical problem, the utility model provides a linear grating chi mounting structure.

The technical effects are as follows: can trompil in advance on the lathe, avoid when the installation to punch temporarily, the installation accuracy is higher simultaneously, prevents to punch and the size deviation appears, and the grating chi of various sizes can be installed fixedly through same mounting hole simultaneously, has made things convenient for grating chi's installation and use to a very big degree to the installation is simplified and the installation degree of difficulty has been reduced.

The utility model discloses the technical scheme who further injects is: the utility model provides a linear grating chi mounting structure, including the chi body, slide and connect the reading ware on the chi body and locate the driving piece that the chi internal is used for driving the reading ware and slides, the internal installation cavity that is equipped with of chi, the mounting hole has been seted up on the lathe, be equipped with the installed part that is used for with mounting hole adaptation connection on the chi body bottom surface, the installed part includes the installation pole with mounting hole adaptation and hollow setting, be equipped with a plurality of connecting blocks that encircle the installation pole central line and set up in the installation pole, installation pole side sets up the opening, the connecting hole of adaptation connecting block is seted up to the corresponding opening of mounting hole lateral wall, be equipped with in the chi body and.

Further, the retaining member includes the driving-disc of rotation connection in the installation pole, and the integrative ratchet that is equipped with quantity and connecting block and corresponds that encircles around the driving-disc, ratchet and the mutual butt of connecting block side.

A preceding linear grating chi mounting structure, be equipped with drive plate and roof on the both sides face about the connecting block respectively, the mutual butt of drive plate and ratchet is equipped with driving spring between roof and the installation pole medial surface for promote the connecting block and slide towards drive-disc one side.

A linear grating chi mounting structure, driving-disc rotate through the pivot to be connected in the installation pole, is equipped with the drive worm wheel with the axle center in the pivot, be equipped with in the installation cavity with the drive worm wheel intermeshing adaptation drive worm, still be equipped with driving motor in the installation cavity for it is rotatory to drive the drive worm.

A preceding linear grating chi mounting structure, the connecting block encircles the axis of installation pole and is equipped with four groups, and installation pole and retaining member are equipped with two sets ofly about the central line of chi body, and chi body bottom still is equipped with the stopper, sets up the spacing hole with the mutual adaptation of stopper on the lathe, and the transversal setting of personally submitting "ten" font of stopper.

The linear grating ruler mounting structure comprises a driving piece, wherein the driving piece comprises a driving motor arranged on one side face of a ruler body, a driving lead screw connected with the ruler body in a rotating mode is arranged in the ruler body, the driving lead screw is driven to rotate through the driving motor, and the driving lead screw penetrates through the bottom of a reader and is in threaded connection with the bottom of the reader.

The utility model has the advantages that:

(1) in the utility model, when the linear grating ruler needs to be installed, an operator can open a hole on the machine tool according to the position of the installation rod, so that the operator is prevented from directly punching during installation, the accuracy of the hole opening is ensured, the connection accuracy and firmness are ensured simultaneously, and the same installation hole can be used for connection when different grating rulers are replaced, so that the connection uniformity of the grating rulers is ensured, meanwhile, the installation part and the locking part are simpler and more convenient to operate, the installation can be carried out without paying more manpower, the manpower requirement is reduced, and the installation efficiency and the use effect are improved;

(2) in the utility model, when the linear grating is installed, an operator only needs to insert the installation rod into the corresponding installation hole, starts the driving motor, drives the driving worm wheel and the rotating shaft to rotate through the rotation of the driving worm, and the driving disc with the ratchet can push the connecting block into the connecting hole in the installation hole through the ratchet, so that the installation rod and the machine tool are fixed, the installation is very convenient, the whole body can be locked through the self-locking property of the worm and gear, and the installation and the locking are firmer;

(3) in the utility model, the drive spring can drive the connecting block to slide towards the drive disc, so that the connecting block can be pushed back by only rotating the drive motor when the grating ruler is disassembled to separate the ratchet of the drive disc from the connecting block, thereby realizing the disassembly of the grating ruler, and the assembly and disassembly are convenient, and the arrangement of the limit block and the limit hole further improves the accuracy of the assembly and increases the accuracy of the use of the grating ruler;

(4) the utility model discloses in, can trompil in advance on the lathe, avoid punching when the installation temporarily, the installation accuracy is higher simultaneously, prevents to punch and the size deviation appears, and the grating chi of various sizes can be installed fixedly through same mounting hole simultaneously, has made things convenient for grating chi's installation and use in the very big degree to simplify the installation and reduced the installation degree of difficulty.

Drawings

FIG. 1 is a schematic view of the installation of embodiment 1;

FIG. 2 is a structural view of embodiment 1;

FIG. 3 is a bottom view of embodiment 1;

fig. 4 is a schematic view of the display mount of embodiment 1.

Wherein: 1. a ruler body; 11. a reader; 12. a mounting cavity; 13. mounting holes; 14. connecting holes; 2. a mounting member; 21. mounting a rod; 22. connecting blocks; 221. a drive plate; 222. a top plate; 223. a drive spring; 23. an opening; 3. a locking member; 31. a drive disc; 32. a ratchet; 33. a rotating shaft; 34. a drive worm gear; 35. a drive worm; 36. a drive motor; 4. a drive member; 41. an active motor; 42. driving a lead screw; 5. a limiting block; 51. and a limiting hole.

Detailed Description

The linear grating ruler mounting structure provided by the embodiment has a structure shown in fig. 1-3, and comprises a ruler body 1, a reader 11 connected to the ruler body 1 in a sliding manner, and a driving member 4 arranged in the ruler body 1 and used for driving the reader 11 to slide, wherein a mounting cavity 12 is arranged in the ruler body 1, a mounting hole 13 is formed in a machine tool, and a mounting member 2 used for being connected with the mounting hole 13 in an adaptive manner is arranged on the bottom surface of the ruler body 1.

As shown in fig. 2-4, the mounting member 2 includes a mounting rod 21 which is adapted to the mounting hole 13 and is arranged in a hollow manner, a plurality of connecting blocks 22 which are arranged around the central line of the mounting rod 21 are arranged in the mounting rod 21, an opening 23 is arranged on the side surface of the mounting rod 21, a connecting hole 14 which is adapted to the connecting block 22 is arranged on the side wall of the mounting hole 13 corresponding to the opening 23, and a locking member 3 which is used for driving the connecting block 22 to slide into the connecting hole 14 is arranged in the ruler.

As shown in fig. 2-4, the locking member 3 includes a driving disk 31 rotatably connected in the mounting rod 21, a number of ratchets 32 corresponding to the number of the connecting block 22 are integrally provided around the driving disk 31, and the ratchets 32 abut against the side surfaces of the connecting block 22. The upper side surface and the lower side surface of the connecting block 22 are respectively provided with a driving plate 221 and a top plate 222, the driving plate 221 is abutted against the ratchet 32, and a driving spring 223 is arranged between the top plate 222 and the inner side surface of the mounting rod 21 and used for pushing the connecting block 22 to slide towards one side of the driving plate 31.

As shown in fig. 2-4, the driving disc 31 is rotatably connected in the mounting rod 21 through a rotating shaft 33, a driving worm wheel 34 is coaxially arranged on the rotating shaft 33, a driving worm 35 engaged with the driving worm wheel 34 is arranged in the mounting cavity 12, and a driving motor 36 is further arranged in the mounting cavity 12 for driving the driving worm 35 to rotate.

As shown in fig. 2-4, the connecting block 22 is provided with four sets around the central axis of the mounting rod 21, the mounting rod 21 and the locking member 3 are provided with two sets about the central line of the ruler body 1, the bottom of the ruler body 1 is further provided with a limiting block 5, a limiting hole 51 matched with the limiting block 5 is formed in the machine tool, and the cross section of the limiting block 5 is arranged in a cross shape. The driving part 4 comprises a driving motor 41 arranged on one side surface of the ruler body 1, a driving lead screw 42 connected with the ruler body 1 in a rotating mode is arranged in the ruler body 1, the driving lead screw 42 is driven to rotate through the driving motor 41, and the driving lead screw 42 penetrates through the bottom of the reader 11 and is in threaded connection with the reader.

The utility model discloses can trompil in advance on the lathe, avoid when the installation to punch temporarily, the installation accuracy is higher simultaneously, prevents to punch and the size deviation appears, and the grating chi of various sizes can be installed fixedly through same mounting hole 13 simultaneously, has made things convenient for grating chi's installation and use in the very big degree to simplify the installation and reduced the installation degree of difficulty.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1. The utility model provides a linear grating chi mounting structure, includes the chi body (1), slides and connects reading ware (11) on the chi body (1) and locate driving piece (4) that are used for driving reading ware (11) and slide in the chi body (1), its characterized in that: be equipped with installation cavity (12) in the chi body (1), mounting hole (13) have been seted up on the lathe, be equipped with on the chi body (1) bottom surface and be used for installing piece (2) of being connected with mounting hole (13) adaptation, installing piece (2) include with mounting hole (13) adaptation and hollow installation pole (21) that set up, be equipped with connecting block (22) that a plurality of roots encircleed installation pole (21) central line and set up in installation pole (21), installation pole (21) side sets up opening (23), connecting hole (14) of adapter connecting block (22) are seted up in corresponding opening (23) of mounting hole (13) lateral wall, be equipped with in the chi body (1) and be used for driving retaining member (3) that connecting block (22) slided to connecting hole (14.

2. The linear grating scale mounting structure of claim 1, wherein: retaining member (3) are including rotating driving-disc (31) of connecting in installation pole (21), and driving-disc (31) are around integrative circling around being equipped with ratchet (32) that quantity and connecting block (22) correspond, and ratchet (32) and connecting block (22) side butt each other.

3. A linear grating scale mounting structure according to claim 2, wherein: the upper side face and the lower side face of the connecting block (22) are respectively provided with a driving plate (221) and a top plate (222), the driving plate (221) is abutted to the ratchet (32), and a driving spring (223) is arranged between the inner side faces of the top plate (222) and the mounting rod (21) and used for pushing the connecting block (22) to slide towards one side of the driving plate (31).

4. A linear grating scale mounting structure according to claim 3, wherein: the driving disc (31) is rotatably connected into the mounting rod (21) through a rotating shaft (33), a driving worm wheel (34) is coaxially arranged on the rotating shaft (33), a driving worm (35) which is meshed with the driving worm wheel (34) in a matched mode is arranged in the mounting cavity (12), and a driving motor (36) is further arranged in the mounting cavity (12) and used for driving the driving worm (35) to rotate.

5. The linear grating scale mounting structure of claim 1, wherein: connecting block (22) encircle the axis of installation pole (21) and are equipped with four groups, and installation pole (21) and retaining member (3) are equipped with two sets ofly about the central line of chi body (1), and chi body (1) bottom still is equipped with stopper (5), sets up spacing hole (51) with stopper (5) mutual adaptation on the lathe, and the transversal setting of personally submitting of stopper (5) is "ten" font.

6. The linear grating scale mounting structure of claim 1, wherein: the driving piece (4) comprises a driving motor (41) arranged on one side face of the ruler body (1), a driving lead screw (42) connected with the ruler body in a rotating mode is arranged in the ruler body (1), the driving lead screw (42) is driven to rotate through the driving motor (41), and the driving lead screw (42) penetrates through the bottom of the reader (11) and is in threaded connection with the bottom.