CN218696676U

CN218696676U - Machine tool online measuring mechanism

Info

Publication number: CN218696676U
Application number: CN202223124385.1U
Authority: CN
Inventors: 虞荣华; 陈宝华; 邱海燕
Original assignee: Beiping Machine Tool Zhejiang Co ltd
Current assignee: Beiping Machine Tool Zhejiang Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-24
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a lathe on-line measuring mechanism belongs to mechanical technical field. It has solved the complicated problem of current measuring mechanism structure. The online measuring mechanism of the machine tool comprises a bracket, wherein the bracket comprises a plate-shaped supporting part which is horizontally arranged, a positioning plate for mounting a measuring instrument is horizontally arranged above the supporting part, two connecting rods are obliquely arranged between the supporting part and the positioning plate, the supporting part, the positioning plate and the two connecting rods are distributed in a parallelogram shape, and the upper end and the lower end of each connecting rod are respectively hinged with the supporting part and the positioning plate through a first rotating shaft; the bracket is also provided with an air cylinder, the two connecting rods are positioned on one side of the air cylinder, the air cylinder comprises a cylinder body and a piston rod, the cylinder body is hinged with the supporting part through a second rotating shaft, and the piston rod is hinged with the connecting rod which is arranged close to the air cylinder through a third rotating shaft; the axes of the first rotating shaft, the second rotating shaft and the third rotating shaft extend along the width direction of the supporting part. The online measuring mechanism of the machine tool has simple structure.

Description

Machine tool online measuring mechanism

Technical Field

The utility model belongs to the technical field of machinery, a measuring mechanism, especially a lathe on-line measuring mechanism are related to.

Background

Along with the increasing requirements of the market on the precision of various precision parts, the machining means are continuously updated, the detection means are continuously improved, and the active measuring instrument is widely applied to reduce the cost and improve the efficiency.

Existing active gauges, such as mill process measurement systems, include a gauge, a gauge lift mechanism, and a gauge translation mechanism. In work piece abrasive machining, measuring device's measuring head, along with the change of work piece diameter size, and produce corresponding displacement, and through inductance or differential transformer sensor, convert the displacement volume into electric quantity transmission to control instrument and enlarge, according to the requirement, the control instrument can be on each size trigger point that presets according to the standard component, signals in proper order, the operator can control the course of working according to the signal, thereby the loaded down with trivial details operation of operator limit edging measurement has been reduced, manual measurement's measuring error has been reduced, the production of machining efficiency and reduction rejection rate has been improved greatly, the uniformity of product size has been controlled simultaneously.

In the measuring system, the measuring instrument lifting mechanism and the measuring instrument translation mechanism are structurally independent from each other, both the measuring instrument lifting mechanism and the measuring instrument translation mechanism are required to be provided with independent power sources, and meanwhile, guide mechanisms such as guide rail sliding blocks are required to be independently provided for guaranteeing the moving stability of the measuring instrument, so that the structure is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a machine tool online measuring mechanism with simple structure.

The purpose of the utility model can be realized by the following technical proposal: the machine tool online measuring mechanism comprises a bracket, wherein the bracket comprises a plate-shaped supporting part which is horizontally arranged, and a positioning plate for mounting a measuring instrument is horizontally arranged above the supporting part; the bracket is also provided with an air cylinder, the two connecting rods are positioned at one side of the air cylinder, the air cylinder comprises a cylinder body and a piston rod, the cylinder body is hinged with the supporting part through a second rotating shaft, and the piston rod is hinged with the connecting rod which is arranged close to the air cylinder through a third rotating shaft; the axes of the first rotating shaft, the second rotating shaft and the third rotating shaft extend along the width direction of the supporting part.

When the measuring instrument is used, the air cylinder operates to enable the piston rod to do telescopic motion so as to push the connecting rod to swing, so that the measuring instrument moves in a parallelogram shape, the axis of the measuring instrument is always horizontally arranged when the measuring instrument moves, and the measuring instrument can still stably and accurately work on the premise of moving.

This application only need cylinder and the link mechanism cooperation of constituteing by two connecting rods down alright realize the measuring apparatu simultaneously and go up and down and the translation, and link mechanism plays the measuring apparatu and removes the guide effect again simultaneously to effectively reduce spare part and drop into, make that overall structure becomes simpler, do benefit to design, equipment.

In the above machine tool on-line measuring mechanism, the support part is vertically penetrated with a bar-shaped abdicating groove matched with the connecting rod, the length of the abdicating groove extends along the length direction of the support part, and the lower ends of the two connecting rods extend into the abdicating groove, so that the connecting rod and the support part are partially overlapped to reduce the overall height of the measuring mechanism and reduce the space occupation.

In foretell lathe on-line measuring mechanism, the groove of stepping down is close to the one end of cylinder and is uncovered form, and cylinder body downside and pivot two all are in the groove of stepping down to further reduce each spare part distance, make whole mechanism structure more compact, further reduce the space and occupy.

In the above machine tool on-line measuring mechanism, a stopper is horizontally fixed in the abdicating groove, the stopper is positioned between the cylinder body and the connecting rod, and the connecting rod connected with the piston rod can contact with the stopper for limiting the downward moving height of the measuring instrument.

In the above machine tool on-line measuring mechanism, a limit column is horizontally fixed on the bracket, the limit column is positioned above the supporting part, the axial direction of the limit column is parallel to the length direction of the supporting part, the two connecting rods are both positioned between the limit column and the cylinder, and the connecting rod which is not connected with the piston rod can be contacted with the limit column for limiting the upward moving height of the measuring instrument.

In foretell online measurement mechanism of lathe, it has the mounting groove to run through on this connecting rod that corresponds the piston rod setting, and mounting groove length extends along connecting rod length direction, is equipped with the driving block who matches with this mounting groove in the mounting groove, and driving block one end is articulated with corresponding connecting rod through pivot three, and the driving block other end links firmly with the piston rod. By adopting the design, the device has the advantages of simple structure and convenience in installation.

In foretell lathe on-line measuring mechanism, the bracket includes vertical shaping locating piece on the supporting part, and two connecting rods are in between locating piece and the cylinder, and the level of locating piece upper end is run through has the mounting hole that matches with spacing post, and mounting hole is passed through to spacing post one end, and spacing post links firmly with the locating piece.

In the machine tool online measuring mechanism, the outer wall of the limiting column is coaxially formed with the annular convex shoulder, the outer thread of the limiting column is connected with the pressing cap in a screwed mode, the annular convex shoulder and the pressing cap are tightly pressed on two sides of the positioning block respectively, and the machine tool online measuring mechanism has the advantages of being simple in structure and convenient to install while stably positioning the limiting column.

Compared with the prior art, the on-line measuring mechanism of the machine tool has the following advantages:

1. when the measuring instrument is used, the air cylinder operates to enable the piston rod to do telescopic motion so as to push the connecting rod to swing, so that the measuring instrument moves in a parallelogram shape, the axis of the measuring instrument is always horizontally arranged when the measuring instrument moves, and the measuring instrument can still stably and accurately work on the premise of moving.

2. This application only need cylinder and the link mechanism cooperation of constituteing by two connecting rods down alright realize the measuring apparatu simultaneously and go up and down and the translation, and link mechanism plays the measuring apparatu and removes the guide effect again simultaneously to effectively reduce spare part and drop into, make that overall structure becomes simpler, do benefit to design, equipment.

Drawings

Fig. 1 is a schematic structural diagram of an on-line measuring mechanism of a machine tool.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

In the figure, 1, a bracket; 1a, a support part; 1b, an abdicating groove; 1c, positioning blocks; 2. positioning a plate; 3. a connecting rod; 3a, mounting grooves; 4. a measuring instrument; 5. a cylinder; 5a, a cylinder body; 5b, a piston rod; 6. a first rotating shaft; 7. a second rotating shaft; 8. a rotating shaft III; 9. a drive block; 10. a stopper; 11. a limiting column; 11a, an annular shoulder; 12. and (5) pressing the cap.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the on-line measuring mechanism of the machine tool comprises a bracket 1, a positioning plate 2, a connecting rod 3, a measuring instrument 4 and a cylinder 5. Wherein, the measuring instrument 4 and the cylinder 5 are the existing products, and both can be directly obtained on the market.

In particular, the present invention relates to a method for producing,

the bracket 1 includes a plate-shaped and horizontally disposed supporting portion 1a, and the positioning plate 2 is horizontally disposed above the supporting portion 1a, and the measuring instrument 4 is mounted on the positioning plate 2 in actual use.

Two links 3 are obliquely arranged between the support 1a and the positioning plate 2. Two connecting rods 3 set up side by side along supporting part 1a length direction, and at this moment, supporting part 1a, locating plate 2 and two connecting rods 3 four are the parallelogram and distribute, and connecting rod 3 upper and lower both ends all are articulated with supporting part 1a and locating plate 2 respectively through pivot 6, and the axis of pivot 6 extends along supporting part 1a width direction.

In the actual production of the product,

the cross section of the positioning plate 2 is in an inverted U shape matched with the connecting rod 3, the upper end of the connecting rod 3 extends into the positioning plate 2, two ends of the rotating shaft one 6 on the upper side are fixedly connected with two ends of the positioning plate 2 respectively, and the upper end of the connecting rod 3 is provided with a through hole one for the corresponding rotating shaft one 6 to pass through.

The vertical groove 1b that steps down that runs through on supporting part 1a be the bar and match with connecting rod 3, and the groove 1b length of stepping down extends along supporting part 1a length direction, and 3 lower extremes of two connecting rods all stretch into the groove 1b of stepping down, makes connecting rod 3 and supporting part 1a part overlap to reduce the whole height of measuring mechanism, reduce the space and occupy. The two ends of the first rotating shaft 6 at the lower side are fixedly connected with the two wide side walls of the abdicating groove 1b respectively, and a second through hole for the first rotating shaft 6 to pass through is formed in the lower side of the connecting rod 3.

As shown in fig. 1, a cylinder 5 is provided on the bracket 1, and both connecting rods 3 are located on the side of the cylinder 5. The cylinder 5 comprises a cylinder body 5a and a piston rod 5b, the cylinder body 5a is hinged with the supporting part 1a through a second rotating shaft 7, the piston rod 5b is hinged with the connecting rod 3 which is arranged close to the cylinder 5 through a third rotating shaft 8, and the axes of the second rotating shaft 7 and the third rotating shaft 8 extend along the length direction of the supporting part 1 a.

In the present embodiment of the present invention,

the connection between the piston rod 5b and the corresponding link 3 is as follows: the connecting rod 3 corresponding to the piston rod 5b is provided with a mounting groove 3a in a penetrating manner, the length of the mounting groove 3a extends along the length direction of the connecting rod 3, a driving block 9 matched with the mounting groove 3a is arranged in the mounting groove 3a, one end of the driving block 9 is hinged with the corresponding connecting rod 3 through a rotating shaft three 8, and the other end of the driving block 9 is fixedly connected with the piston rod 5 b. By adopting the design, the device has the advantages of simple structure and convenience in installation.

The cylinder 5a is mounted as follows: the one end that the groove of stepping down 1b is close to cylinder 5 is uncovered form, and cylinder body 5a downside and pivot two 7 all are in the groove of stepping down 1b to further reduce each spare part distance, make whole mechanism structure more compact, further reduce the space and occupy.

For a further explanation,

a stop block 10 is horizontally fixed in the abdicating groove 1b, the stop block 10 is positioned between the cylinder 5a and the connecting rod 3, and the connecting rod 3 connected with the piston rod 5b can contact with the stop block 10 for limiting the downward moving height of the measuring instrument 4. The bracket 1 is further horizontally fixed with a limiting column 11, the limiting column 11 is positioned above the supporting part 1a, the axial direction of the limiting column 11 is parallel to the length direction of the supporting part 1a, the two connecting rods 3 are both positioned between the limiting column 11 and the air cylinder 5, and the connecting rod 3 which is not connected with the piston rod 5b can be in contact with the limiting column 11 and is used for limiting the upward moving height of the measuring instrument 4.

Wherein, spacing post 11 mounting means is as follows: as shown in fig. 1 and 2, the bracket 1 includes a positioning block 1c vertically formed on the supporting portion 1a, two connecting rods 3 are located between the positioning block 1c and the cylinder 5, a mounting hole matched with the limiting post 11 horizontally penetrates through the upper end of the positioning block 1c, one end of the limiting post 11 penetrates through the mounting hole, and the limiting post 11 is fixedly connected with the positioning block 1c, specifically, an annular shoulder 11a is coaxially formed on the outer wall of the limiting post 11, a pressing cap 12 is externally screwed on the limiting post 11, and the annular shoulder 11a and the pressing cap 12 are respectively pressed on two sides of the positioning block 1 c.

When the device is used, the cylinder 5 operates to enable the piston rod 5b to do telescopic motion so as to push the connecting rod 3 to swing, so that the measuring instrument 4 moves in a parallelogram shape, the axis of the measuring instrument 4 is always horizontally arranged when the measuring instrument 4 moves, and the measuring instrument 4 can still stably and accurately work on the premise of avoiding interference.

This application only need cylinder 5 with by the cooperation of the connecting rod 3 mechanism that two connecting rods 3 constitute down alright realize simultaneously that measuring apparatu 4 goes up and down and the translation, connecting rod 3 mechanism plays measuring apparatu 4 removal guide effect again simultaneously to effectively reduce spare part and drop into, make that overall structure becomes simpler, do benefit to design, equipment.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The machine tool online measuring mechanism comprises a bracket (1), wherein the bracket (1) comprises a plate-shaped supporting part (1 a) which is horizontally arranged, and a positioning plate (2) for mounting a measuring instrument (4) is horizontally arranged above the supporting part (1 a), and is characterized in that two connecting rods (3) are obliquely arranged between the supporting part (1 a) and the positioning plate (2), the supporting part (1 a), the positioning plate (2) and the two connecting rods (3) are distributed in a parallelogram shape, and the upper end and the lower end of each connecting rod (3) are respectively hinged with the supporting part (1 a) and the positioning plate (2) through a first rotating shaft (6); the bracket (1) is further provided with an air cylinder (5), the two connecting rods (3) are located on one side of the air cylinder (5), the air cylinder (5) comprises a cylinder body (5 a) and a piston rod (5 b), the cylinder body (5 a) is hinged to the supporting portion (1 a) through a second rotating shaft (7), and the piston rod (5 b) is hinged to the connecting rod (3) which is arranged close to the air cylinder (5) through a third rotating shaft (8); the axes of the first rotating shaft (6), the second rotating shaft (7) and the third rotating shaft (8) extend along the width direction of the supporting part (1 a).

2. The on-line measuring mechanism of the machine tool according to claim 1, characterized in that a strip-shaped abdicating groove (1 b) matched with the connecting rod (3) vertically penetrates through the supporting portion (1 a), the length of the abdicating groove (1 b) extends along the length direction of the supporting portion (1 a), and the lower ends of the two connecting rods (3) extend into the abdicating groove (1 b).

3. The on-line measuring mechanism of the machine tool according to claim 2, characterized in that one end of the abdicating groove (1 b) close to the cylinder (5) is open, and the lower side of the cylinder body (5 a) and the second rotating shaft (7) are both in the abdicating groove (1 b).

4. The machine tool on-line measuring mechanism according to claim 3, characterized in that a stopper (10) is horizontally fixed in the relief groove (1 b), the stopper (10) is located between the cylinder (5 a) and the connecting rod (3), and the connecting rod (3) connected with the piston rod (5 b) can contact with the stopper (10).

5. The machine tool online measuring mechanism according to claim 4, characterized in that a limiting column (11) is further horizontally fixed on the bracket (1), the limiting column (11) is located above the supporting part (1 a), the axial direction of the limiting column (11) is parallel to the length direction of the supporting part (1 a), the two connecting rods (3) are both located between the limiting column (11) and the cylinder (5), and the connecting rod (3) which is not connected with the piston rod (5 b) can be in contact with the limiting column (11).

6. The machine tool online measuring mechanism according to claim 1, wherein a mounting groove (3 a) penetrates through the connecting rod (3) corresponding to the piston rod (5 b), the length of the mounting groove (3 a) extends along the length direction of the connecting rod (3), a driving block (9) matched with the mounting groove (3 a) is arranged in the mounting groove (3 a), one end of the driving block (9) is hinged with the corresponding connecting rod (3) through a third rotating shaft (8), and the other end of the driving block (9) is fixedly connected with the piston rod (5 b).

7. The machine tool online measuring mechanism according to claim 5, wherein the bracket (1) comprises a positioning block (1 c) vertically formed on the supporting portion (1 a), the two connecting rods (3) are positioned between the positioning block (1 c) and the cylinder (5), a mounting hole matched with the limiting column (11) horizontally penetrates through the upper end of the positioning block (1 c), one end of the limiting column (11) penetrates through the mounting hole, and the limiting column (11) is fixedly connected with the positioning block (1 c).

8. The machine tool online measuring mechanism according to claim 7, wherein an annular shoulder (11 a) is coaxially formed on the outer wall of the limiting column (11), a pressing cap (12) is externally screwed on the limiting column (11), and the annular shoulder (11 a) and the pressing cap (12) are respectively tightly pressed on two sides of the positioning block (1 c).