CN211867488U

CN211867488U - Internal grinding machine positioning tool

Info

Publication number: CN211867488U
Application number: CN202020383425.6U
Authority: CN
Inventors: 宋征; 张天一
Original assignee: Laiwu Tailong Gear Co ltd
Current assignee: Laiwu Tailong Gear Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-06
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to an internal grinding machine location frock belongs to the technical field of grinding machine, it includes the base of fixed connection in lathe bed up end, the base up end is provided with elevating system, elevating system includes the brace table of vertical sliding connection on the base, brace table up end fixedly connected with supporting mechanism, the brace table up end has telescopic machanism along grinding machine main shaft axial sliding connection, the telescopic machanism both ends are provided with positioning mechanism, positioning mechanism is including setting up in the first locating component of telescopic machanism towards emery wheel workstation one end and setting up in the second locating component of telescopic machanism towards main shaft workstation one end, the coaxial setting of first locating component and second locating component. The utility model discloses thereby have and regard as the reference with the emery wheel main axis, once only confirm the work piece mid point position and carry out centering operation to the work piece and practice thrift work piece centre gripping adjustment time, improve work efficiency's effect.

Description

Internal grinding machine positioning tool

Technical Field

The utility model belongs to the technical field of the technique of grinding machine and specifically relates to a positioning tool of internal grinding machine is related to.

Background

At present, a grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool, and a general grinding machine realizes grinding operation on the workpiece by using a grinding wheel rotating at a high speed, wherein an internal grinding machine is mainly used for grinding the surface of an inner hole and the end surface of the inner hole formed by cylindrical, conical or other shape plain lines.

The utility model discloses a special use of current chinese utility model that authorizes bulletin number is CN205465503U does benefit to 2016 year 8 month 17 and discloses an internal grinder, including the lathe bed, fixedly connected with spindle workbench on the lathe bed, fixedly connected with work piece axle anchor clamps on the spindle workbench, and work piece axle anchor clamps one side fixedly connected with work piece axle driving motor is connected with the emery wheel workstation along spindle axial sliding on the lathe bed, rotates on the emery wheel workstation and is connected with the emery wheel, fixedly connected with emery wheel work motor on the emery wheel workstation. Clamping one end of a workpiece on a main shaft workbench by using a workpiece shaft clamp, observing the main axis position of a grinding wheel, then loosening the workpiece, clamping the workpiece after adjusting the position of the workpiece, observing whether the main axis of the workpiece is aligned with the main axis of the grinding wheel, repeatedly adjusting the position of the workpiece if the main axis of the workpiece is not aligned, aligning the main axis of the workpiece with a main shaft box of the grinding wheel, driving the workpiece to rotate by using a workpiece shaft driving motor, driving the grinding wheel to rotate by using a grinding wheel driving motor, and driving the grinding wheel to approach the workpiece by using a grinding wheel workbench so.

The above prior art solutions have the following drawbacks: the workpiece is clamped on the workpiece fixture before being machined, the position of the workpiece is repeatedly adjusted according to the grinding wheel spindle line, and a large amount of time is wasted by adjusting the position of the workpiece for multiple times in the process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an internal grinding machine location frock to the not enough of prior art existence. The main axis of the grinding wheel is used as a reference, the position of the middle point of the workpiece is determined at one time, and the workpiece is centered, so that the workpiece clamping and adjusting time is saved, and the working efficiency is improved.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an internal grinding machine location frock, includes the base of fixed connection in lathe bed up end, the base up end is provided with elevating system, elevating system includes the brace table of vertical sliding connection on the base, brace table up end fixedly connected with supporting mechanism, the brace table up end has telescopic machanism along grinding machine main shaft axial sliding connection, the telescopic machanism both ends are provided with positioning mechanism, positioning mechanism is including setting up in the first locating component of telescopic machanism towards emery wheel workstation one end and setting up in the second locating component of telescopic machanism towards main shaft workstation one end, first locating component and the coaxial setting of second locating component.

Through adopting above-mentioned technical scheme, fix the frock base at the lathe bed up end, the telescopic machanism that slides makes first locating component be close to the emery wheel workstation, and second locating component is close to the main shaft workstation, and elevating system adjustment positioning mechanism position makes first locating component coaxial with the emery wheel, according to second locating component adjustment work piece position, easy operation is convenient.

The present invention may be further configured in a preferred embodiment as: the base comprises a first supporting rod fixedly connected to the upper end face of the lathe bed, the central axis of the first supporting rod is parallel to the main axis of the grinding machine, the plane where the central axis of the first supporting rod and the main axis of the grinding machine are located is perpendicular to the lathe bed, second supporting rods are fixedly connected to two sides of the first supporting rod, and the first supporting rod is fixedly connected to the upper end face of the lathe bed.

Through adopting above-mentioned technical scheme, the second bracing piece increases the connection stability of processing dress on the grinding machine.

The present invention may be further configured in a preferred embodiment as: the lathe bed is characterized in that a first groove is formed in the upper end face of the lathe bed, the first supporting rod is fixedly connected into the first groove through a bolt, a second groove is formed in the upper end face of the lathe bed, the second supporting rod is fixedly connected into the second groove through a bolt, and the second groove is communicated with the first groove.

Through adopting above-mentioned technical scheme, place first bracing piece in first recess, the second bracing piece is placed in the second recess, and the rethread bolt is fixed first bracing piece and second bracing piece, easy to assemble.

The present invention may be further configured in a preferred embodiment as: the lifting mechanism comprises a supporting table which is vertically connected into a first supporting rod in a sliding mode, a rotating rod is connected to the first supporting rod in a rotating mode, the axis of the rotating rod is parallel to the main axis of the grinding machine, a driving worm wheel is coaxially and fixedly connected to the rotating rod, a driving worm is connected to the first supporting rod in a rotating mode and meshed with the driving worm wheel, a driving rack is fixedly connected to the lower end face of the supporting table, and the driving rack is meshed with the driving worm wheel.

By adopting the technical scheme, the driving worm rotates to drive the driving worm wheel to rotate, and the driving rack pushes the supporting table to slide, so that the axial height of the positioning mechanism is adjusted, and the operation is simple and convenient.

The present invention may be further configured in a preferred embodiment as: a first sliding groove is vertically formed in the upper end face of the first supporting rod, and the supporting table is connected in the first sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, first spout slides for a supporting bench and plays the guide effect.

The present invention may be further configured in a preferred embodiment as: the supporting mechanism comprises a first connecting rod which is vertically and fixedly connected to the upper end face of the first supporting rod, a third supporting rod is fixedly connected to the upper end face of the first connecting rod, and the axis of the third supporting rod is perpendicular to the axis of the first connecting rod.

Through adopting above-mentioned technical scheme, utilize head rod and third bracing piece to provide the support for telescopic machanism and positioning mechanism, effectively increase frock stability.

The present invention may be further configured in a preferred embodiment as: the telescopic mechanism comprises a second connecting rod and a third connecting rod which are connected to the upper end face of the first supporting rod in a sliding mode along the main axis of the grinding wheel, the second connecting rod is located on one side, close to the spindle workbench, of the first connecting rod, the third connecting rod is located on one side, close to the grinding wheel workbench, of the first connecting rod, the third supporting rod is a hollow rod, a fourth supporting rod and a fifth supporting rod are coaxially and axially connected in the third supporting rod in a sliding mode, the fourth supporting rod is a hollow rod, one end of the fifth supporting rod slides into the fourth supporting rod, the fourth supporting rod is fixedly connected to the upper end face of the second connecting rod, and the fifth supporting rod is fixedly connected to the upper end face of.

Through adopting above-mentioned technical scheme, second connecting rod and third connecting rod slide and drive fourth bracing piece and fifth bracing piece and slide, conveniently adjust first locating component and second locating component position, satisfy the demand of different axial length work pieces, easy operation is convenient.

The present invention may be further configured in a preferred embodiment as: the first positioning component comprises a first supporting plate fixedly connected to one end, close to the grinding wheel workbench, of a fifth supporting rod, the first supporting plate is horizontally connected with two positioning plates towards one side of the grinding wheel workbench in a sliding mode, and the two positioning plates are located on two sides of the grinding wheel respectively and abut against the grinding wheel.

By adopting the technical scheme, the lifting mechanism is lifted, the fifth supporting rod is lifted, when the two positioning plates are abutted against the grinding wheel and the distance between the two positioning plates is the largest, the axis of the fifth supporting rod is collinear with the main axis of the grinding wheel, and the position of the middle point of the workpiece can be determined by utilizing the second positioning assembly.

The present invention may be further configured in a preferred embodiment as: the second positioning assembly comprises a circular second supporting plate fixedly connected to one end, close to the spindle workbench, of a fourth supporting rod, four second sliding grooves are radially formed in the second supporting plate, the second sliding grooves are circumferentially arranged by taking the axis of the second supporting plate as the circle center, and four measuring scales are slidably connected in the second sliding grooves.

By adopting the technical scheme, how the workpiece should be adjusted can be determined according to the readings of the excircle of the workpiece on the four measuring scales, so that the workpiece is adjusted, and the operation is simple and convenient.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the tool base is fixed on the upper end face of the machine tool, the sliding telescopic mechanism enables the first positioning component to be close to the grinding wheel workbench, the second positioning component is close to the spindle workbench, the lifting mechanism adjusts the position of the positioning mechanism to enable the first positioning component to be coaxial with the grinding wheel, and the position of the workpiece is adjusted according to the second positioning component, so that the operation is simple and convenient;

2. the driving worm rotates to drive the driving worm wheel to rotate, and the driving rack pushes the supporting table to slide, so that the axial height of the positioning mechanism is adjusted, and the operation is simple and convenient;

3. and the lifting mechanism is lifted, the fifth supporting rod is lifted, when the two positioning plates are abutted against the grinding wheel and the distance between the two positioning plates is the largest, the axis of the fifth supporting rod is collinear with the main axis of the grinding wheel, and the position of the middle point of the workpiece can be determined by utilizing the second positioning assembly.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic sectional view of the telescopic mechanism of the present embodiment;

FIG. 3 is a schematic sectional view of the elevating mechanism of the embodiment;

fig. 4 is a schematic structural diagram of the positioning mechanism of the present embodiment.

Reference numerals: 100. a base; 110. a first support bar; 120. a second support bar; 130. a first chute; 200. a lifting mechanism; 210. a support table; 220. rotating the rod; 230. a drive worm gear; 240. a drive worm; 250. a drive rack; 300. a support mechanism; 310. a first connecting rod; 320. a third support bar; 330. a first limit ring; 340. a third limit ring; 400. a telescoping mechanism; 410. a second connecting rod; 420. a third connecting rod; 430. a fourth support bar; 440. a fifth support bar; 450. a second stop collar; 460. a fourth limit ring; 500. a positioning mechanism; 510. a first positioning assembly; 511. a first support plate; 512. positioning a plate; 513. positioning a groove; 520. a second positioning assembly; 521. a second support plate; 522. measuring a scale; 523. a second chute; 524. positioning holes; 525. an auxiliary hole; 526. positioning a rod; 610. a first groove; 620. a second groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an internal grinding machine location frock, including the base 100 of fixed connection in lathe bed up end, the base 100 up end is provided with elevating system 200, and elevating system 200 up end fixedly connected with supporting mechanism 300, elevating system 200 up end have telescopic machanism 400 along grinding machine main shaft endwise slip connection, and telescopic machanism 400 both ends are provided with positioning mechanism 500.

Referring to fig. 1, the base 100 includes a first supporting rod 110 fixedly connected to the upper end surface of the machine body, a central axis of the first supporting rod 110 is parallel to the main axis of the grinding machine, a plane where the central axis of the first supporting rod 110 and the main axis of the grinding machine are located is perpendicular to the machine body, second supporting rods 120 are fixedly connected to two sides of the first supporting rod 110, and the first supporting rod 110 is fixedly connected to the upper end surface of the machine body.

Referring to fig. 1, a first groove 610 is formed in the upper end surface of the bed, the first support rod 110 is fixedly connected in the first groove 610 through a bolt, a second groove 620 is formed in the upper end surface of the bed, the second support rod 120 is fixedly connected in the second groove 620 through a bolt, and the second groove 620 is communicated with the first groove 610.

Referring to fig. 1, the supporting mechanism 300 includes a first connecting rod 310 vertically and fixedly connected to an upper end surface of the first supporting rod 110, a third supporting rod 320 is fixedly connected to an upper end surface of the first connecting rod 310, and an axis of the third supporting rod 320 is perpendicular to an axis of the first connecting rod 310.

Referring to fig. 2, the telescoping mechanism 400 includes a second connecting rod 410 and a third connecting rod 420 slidably connected to the upper end surface of the first support rod 110 along the main axis of the grinding wheel, the second connecting rod 410 being located on the side of the first connecting rod 310 close to the spindle table, and the third connecting rod 420 being located on the side of the first connecting rod 310 close to the grinding wheel table; the third support bar 320 is a hollow bar, a fourth support bar 430 and a fifth support bar 440 are coaxially and axially slidably connected in the third support bar 320, the fourth support bar 430 is a hollow bar, and one end of the fifth support bar 440 slides into the fourth support bar 430. The fourth supporting rod 430 is fixedly connected to the upper end surface of the second connecting rod 410, and the fifth supporting rod 440 is fixedly connected to the upper end surface of the third connecting rod 420.

Referring to fig. 2, a first limiting ring 330 is fixedly connected to the inner wall of the third supporting rod 320 facing the end of the spindle table, the first limiting ring 330 abuts against the side wall of the fourth supporting rod 430, a second limiting ring 450 is fixedly connected to the side wall of the fourth supporting rod 430 facing away from the end of the spindle table, and the second limiting ring 450 abuts against the inner wall of the third supporting rod 320.

Referring to fig. 2, the third support rod 320 is fixedly connected with a third limit ring 340 facing the inner wall of one end of the grinding wheel workbench, the third limit ring 340 abuts against the side wall of the fifth support rod 440, the end of the fifth support rod 440 far away from the grinding wheel workbench is fixedly connected with a fourth limit ring 460, and the outer diameter of the fourth limit ring 460 is equal to the inner diameter of the fourth support rod 430.

Referring to fig. 3, the lifting mechanism 200 includes a supporting table 210 vertically and slidably connected in the first supporting rod 110, a rotating rod 220 is rotatably connected in the first supporting rod 110, the axis of the rotating rod 220 is parallel to the main axis of the grinding machine, a driving worm wheel 230 is coaxially and fixedly connected to the rotating rod 220, a driving worm 240 is rotatably connected to the first supporting rod 110, the driving worm 240 is engaged with the driving worm wheel 230, a driving rack 250 is fixedly connected to the lower end surface of the supporting table 210, and the driving rack 250 is engaged with the driving worm wheel 230.

Referring to fig. 3, the first sliding groove 130 is vertically formed on the upper end surface of the first supporting rod 110, and the supporting platform 210 is slidably connected in the first sliding groove 130.

Referring to fig. 4, the positioning mechanism 500 includes a first positioning assembly 510 fixedly connected to one end of the fifth support rod 440 close to the grinding wheel table, a second positioning assembly 520 fixedly connected to one end of the fourth support rod 430 close to the spindle table, and the first positioning assembly 510 and the second positioning assembly 520 are located on the same horizontal plane. The first positioning assembly 510 determines the center position of the workpiece based on the center of the grinding wheel, thereby facilitating adjustment of the workpiece.

Referring to fig. 4, the first positioning assembly 510 includes a first supporting plate 511 fixedly connected to one end of the fifth supporting rod 440 close to the grinding wheel table, the first supporting plate 511 is horizontally slidably connected with two positioning plates 512 towards one side of the grinding wheel table, and the two positioning plates 512 are respectively located at two sides of the grinding wheel and abut against the grinding wheel. When the two positioning plates 512 abut against the grinding wheel and the distance between the two positioning plates is the largest, the axis of the fifth support rod 440 is collinear with the main axis of the grinding wheel, and the second positioning assembly 520 can determine the position of the middle point of the workpiece.

Referring to fig. 4, the positioning plate 512 has a positioning groove 513 along the axial direction of the grinding wheel toward one side of the grinding wheel, and when the sidewall of the positioning groove 513 abuts against the sidewall of the grinding wheel, the axis of the fifth support rod 440 is collinear with the main axis of the grinding wheel, so that the operation is simple and convenient.

Referring to fig. 4, the second positioning assembly 520 includes a circular second support plate 521 fixedly connected to one end of the fourth support rod 430 close to the spindle table, four second sliding grooves 523 are radially formed in the second support plate 521, the second sliding grooves 523 are circumferentially arranged with an axis of the second support plate 521 as a circle center, and four measuring scales 522 are slidably connected to the second sliding grooves 523.

Referring to fig. 4, two positioning holes 524 are formed in two sides of the measuring ruler 522, which are parallel to the grinding machine spindle, the two positioning holes 524 are respectively located at two ends of the measuring ruler 522, a positioning rod 526 is inserted into the positioning hole 524, an auxiliary hole 525 is formed in a side wall of the second support plate 521, and the auxiliary hole 525 and the positioning hole 524 are coaxially disposed. When the diameter of the workpiece is larger than the measuring range of the measuring ruler 522, the sliding measuring ruler 522 slides towards the direction away from the center of the circle of the second support plate 521, and the positioning rod 526 is inserted into the positioning hole 524 of the measuring ruler 522 close to one end of the center of the circle of the second support plate 521 from the auxiliary hole 525, so that the measuring ruler 522 can be prevented from sliding into the second sliding chute 523.

The implementation manner of the embodiment is as follows: firstly, the tool is installed on a lathe bed, the first support rod 110 is fixedly connected in the first groove 610 through a bolt, and the second support rod 120 is fixedly connected in the second groove 620 through a bolt. The first positioning assembly 510 is now adjacent the wheel table and the second positioning assembly 520 is adjacent the spindle table.

The driving worm 240 rotates, the driving worm wheel 230 rotates under the driving of the driving worm 240, and the driving rack 250 pushes the support platform 210 to slide in the direction away from the bed body. When the upper end surface of the first supporting plate 511 is higher than the lowest end of the grinding wheel, the sliding third connecting rod 420 drives the fifth supporting rod 440 and the first supporting plate 511 to slide, when the first supporting plate 511 abuts against the grinding wheel, the sliding positioning plate 512 abuts against the grinding wheel, and the height of the first supporting plate 511 is adjusted by the lifting mechanism 200, so that the positioning groove 513 abuts against the side wall of the grinding wheel.

The measuring scale 522 slides out of the second sliding groove 523, the positioning rod 526 is inserted into the positioning hole 524, the measuring scale 522 is prevented from sliding into the second sliding groove 523, and the position of the workpiece is adjusted according to the reading of the outer circular edge of the workpiece on the measuring scale 522.

After the workpiece position is adjusted, the tool can be taken down from the lathe bed only by screwing out the bolts on the first supporting rod 110 and the second supporting rod 120, and the operation is simple.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an internal grinding machine location frock which characterized in that: including base (100) of fixed connection in lathe upper end face, base (100) up end is provided with elevating system (200), elevating system (200) include supporting bench (210) of vertical sliding connection on base (100), supporting bench (210) up end fixedly connected with supporting mechanism (300), supporting bench (210) up end is connected with telescopic machanism (400) along grinding machine main shaft axial sliding, telescopic machanism (400) both ends are provided with positioning mechanism (500), positioning mechanism (500) including set up in telescopic machanism (400) towards first locating component (510) of emery wheel workstation one end and set up in telescopic machanism (400) towards second locating component (520) of main shaft workstation one end, first locating component (510) and second locating component (520) coaxial setting.

2. The internal grinding machine positioning tool according to claim 1, characterized in that: the base (100) comprises a first supporting rod (110) fixedly connected to the upper end face of the lathe bed, the central axis of the first supporting rod (110) is parallel to the main axis of the grinding machine, the central axis of the first supporting rod (110) is perpendicular to the plane of the main axis of the grinding machine, second supporting rods (120) are fixedly connected to two sides of the first supporting rod (110), and the first supporting rod (110) is fixedly connected to the upper end face of the lathe bed.

3. The internal grinding machine positioning tool according to claim 2, characterized in that: first recess (610) have been seted up to lathe bed up end, first bracing piece (110) pass through bolt fixed connection in first recess (610), second recess (620) have been seted up to lathe bed up end, second bracing piece (120) pass through bolt fixed connection in second recess (620), second recess (620) and first recess (610) intercommunication.

4. The internal grinding machine positioning tool according to claim 3, characterized in that: elevating system (200) include brace table (210) of vertical sliding connection in first bracing piece (110), first bracing piece (110) internal rotation is connected with dwang (220), dwang (220) axis is parallel with the grinding machine main axis, coaxial fixedly connected with drive worm wheel (230) on dwang (220), it is connected with drive worm (240) to rotate on first bracing piece (110), drive worm (240) and drive worm wheel (230) meshing, terminal surface fixedly connected with drive rack (250) under brace table (210), drive rack (250) and drive worm wheel (230) meshing.

5. The internal grinding machine positioning tool according to claim 4, characterized in that: a first sliding groove (130) is vertically formed in the upper end face of the first supporting rod (110), and the supporting table (210) is connected into the first sliding groove (130) in a sliding mode.

6. The internal grinding machine positioning tool according to claim 5, characterized in that: the supporting mechanism (300) comprises a first connecting rod (310) which is vertically and fixedly connected to the upper end face of the first supporting rod (110), a third supporting rod (320) is fixedly connected to the upper end face of the first connecting rod (310), and the axis of the third supporting rod (320) is perpendicular to the axis of the first connecting rod (310).

7. The internal grinding machine positioning tool according to claim 6, characterized in that: the telescopic mechanism (400) comprises a second connecting rod (410) and a third connecting rod (420) which are connected with the upper end surface of the first supporting rod (110) in a sliding way along the main axis of the grinding wheel, the second connecting rod (410) is positioned at one side of the first connecting rod (310) close to the main shaft workbench, the third connecting rod (420) is positioned at one side of the first connecting rod (310) close to the grinding wheel workbench, the third supporting rod (320) is a hollow rod, a fourth supporting rod (430) and a fifth supporting rod (440) are coaxially and axially connected in the third supporting rod (320) in a sliding manner, the fourth supporting rod (430) is a hollow rod, one end of the fifth supporting rod (440) slides into the fourth supporting rod (430), the fourth supporting rod (430) is fixedly connected with the upper end surface of the second connecting rod (410), the fifth support rod (440) is fixedly connected to the upper end surface of the third connecting rod (420).

8. The internal grinding machine positioning tool according to claim 7, characterized in that: first locating component (510) are close to the first backup pad (511) of emery wheel workstation one end including fixed connection in fifth bracing piece (440), first backup pad (511) are connected with two locating plates (512) towards emery wheel workstation one side horizontal sliding, two locating plates (512) are located emery wheel both sides respectively and are contradicted in the emery wheel.

9. The internal grinding machine positioning tool according to claim 8, characterized in that: the second positioning assembly (520) comprises a circular second supporting plate (521) fixedly connected to one end, close to the spindle workbench, of a fourth supporting rod (430), four second sliding grooves (523) are radially formed in the second supporting plate (521), the second sliding grooves (523) are circumferentially arranged by taking the axis of the second supporting plate (521) as the circle center, and four measuring scales (522) are slidably connected in the second sliding grooves (523).