CN211262144U

CN211262144U - Laser straightening machine

Info

Publication number: CN211262144U
Application number: CN202020122487.1U
Authority: CN
Inventors: 张玉静; 张阳华; 刘洋
Original assignee: Qingdao Chengtai Civil Air Defense Equipment Co ltd
Current assignee: Qingdao Chengtai Civil Air Defense Equipment Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-08-14
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a laser straightener, belong to straightness accuracy detection technical field, its technical scheme main points are including the frame, frame length direction's both sides fixedly connected with support column, support column top surface fixedly connected with cantilever, fixedly connected with laser rangefinder on the cantilever, the frame top surface slides and is connected with the workstation, the glide direction of workstation is parallel with the length direction of frame, the workstation top surface is provided with the centre gripping subassembly that is used for fixed work piece, the centre gripping subassembly includes first gripper jaw and second gripper jaw, first gripper jaw uses with the cooperation of second gripper jaw, first gripper jaw is grabbed with the second centre gripping all and is connected with the workstation slides, still be provided with adjusting part between centre gripping subassembly and the workstation, reach the effect that prevents the section bar and take place to rock at the measurand in-process.

Description

Laser straightening machine

Technical Field

The utility model relates to a straightness accuracy check out test set field, in particular to laser straightener.

Background

The straightness reflects a parameter of the straightness of the long strip-shaped object and is also an important engineering parameter in the process of processing the section bar. During the processing of the section bar, a straightening machine is often used for measuring and calibrating the straightness of the section bar.

A current straightener includes the base that the level set up, and it is connected with the objective table to slide on the base, and one side fixedly connected with vertical stand of objective table length direction, the top fixedly connected with of stand support the cantilever, and the one end fixedly connected with range sensor that the stand was kept away from to the support cantilever, and range sensor is located directly over the objective table. When the straightener is used for detecting the straightness of the section bar, the section bar is firstly placed on the objective table, the section bar is positioned under the ranging sensor, the length direction of the section bar is parallel to the sliding direction of the objective table, then the ranging sensor is started, the objective table slides on the top of the base, the ranging sensor scans the side faces of the section bar and the ranging sensor, and the change of the distance between the ranging sensor and the side face can reflect the straightness of the section bar to be detected.

However, the structure of the straightening machine still has the defect that when the straightening machine measures the profile, a connecting piece for fixing the profile is not used between the profile and the workbench, so that the profile can shake during moving along with the workbench, and the accuracy of the measuring result of the straightening machine is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a laser straightener, reach the effect that prevents the section bar and take place to rock at the measurand in-process to the not enough of prior art existence.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a laser straightening machine, the test platform comprises a support, frame length direction's both sides fixed stay post, support column top surface fixedly connected with cantilever, fixedly connected with laser rangefinder on the cantilever, the frame top surface slides and is connected with the workstation, the direction of sliding of workstation is parallel with the length direction of frame, the workstation top surface is provided with the centre gripping subassembly that is used for fixed work piece, the centre gripping subassembly includes first gripper jaw and second gripper jaw, first gripper jaw uses with the cooperation of second gripper jaw, first gripper jaw is grabbed with the second centre gripping and all is slided with the workstation and is connected, still be provided with adjusting part between centre gripping subassembly and the workstation.

Through adopting above-mentioned technical scheme, when using this laser straightener to straighten the shaped steel, place the surface at the workstation with shaped steel earlier to make first centre gripping subassembly and second centre gripping subassembly centre gripping in shaped steel length direction's both sides through adjusting part, thereby make shaped steel and workstation fixed connection be in the same place, thereby avoid shaped steel to take place to rock at the in-process that removes along with the workstation, thereby improve the degree of accuracy of this laser straightener's measuring result.

The utility model discloses further set up to, the adjusting part includes the adjustment tank, first regulation lead screw, the second is adjusted the lead screw, first adjusting hand wheel and second adjusting hand wheel, the top surface at the workstation is seted up to the adjustment tank, the length direction of adjustment tank is perpendicular with the length direction of workstation, the adjustment tank uses with first gripper jaw, the cooperation of second gripper jaw, first regulation lead screw all sets up in the adjustment tank with the second is adjusted the lead screw, and first regulation lead screw all rotates with the workstation with the second and is connected, first regulation lead screw pass behind the first gripper jaw with first gripper jaw threaded connection, the second is adjusted the lead screw and is passed behind the second gripper jaw with second gripper jaw threaded connection, first adjusting hand wheel and second adjusting hand wheel difference fixed connection are served at the one that first regulation lead screw and second were kept away from each other.

Through adopting above-mentioned technical scheme, pressing from both sides the in-process of fixing shaped steel on the workstation surface, rotate first adjusting hand wheel and second and transfer the hand wheel, make first gripper jaw and second gripper jaw alternate segregation, place shaped steel on the top surface of workstation afterwards, and make the top surface butt of shaped steel and workstation, continue to rotate first adjusting hand wheel afterwards and second adjusting hand wheel and make first gripper jaw and second gripper jaw be close to each other, until first gripper jaw and second gripper jaw all with the shaped steel butt, thereby accomplish the centre gripping to shaped steel, it is fixed.

The utility model discloses further set up to, the centre gripping subassembly all is provided with a plurality of groups with adjusting part, and a plurality of groups centre gripping subassemblies are used with the cooperation of a plurality of groups adjusting part one-to-one, and the length direction of workstation is all followed to a plurality of groups centre gripping subassemblies and a plurality of groups adjusting part is arranged.

By adopting the technical scheme, in the process of fixing the section steel, two groups of clamping assemblies close to the two ends of the section steel are respectively abutted against the two ends of the section steel, and a connecting line between two first clamping claws abutted against the section steel is parallel to the length direction of the workbench, and the section steel is fixed in such a way, so that on one hand, two clamped points of the section steel are close to the two ends of the section steel as far as possible, the section steel is more stably fixed on the top surface of the workbench, the section steel is prevented from shaking in the measuring process, and the measuring precision is improved; on the other hand, only carry out the centre gripping to the both ends of shaped steel length direction and fix, can prevent to cause shaped steel to take place little deformation because of carrying out the multiple spot centre gripping to the shaped steel to guarantee that the measuring result is more close to the actual conditions of shaped steel, thereby improve the rate of accuracy of this laser straightening machine's measuring result.

The utility model discloses further set up to, be provided with the subassembly that slides between workstation and the frame, the subassembly that slides includes the sliding block and slides the groove, the bottom surface fixed connection of sliding block and workstation, the groove of sliding is seted up at the frame top surface, the sliding block uses with the groove cooperation of sliding, the length direction in groove of sliding is parallel with the length direction of frame.

Through adopting above-mentioned technical scheme, the groove that slides uses with the cooperation of sliding block, can play the effect of direction to sliding of sliding block for the shaped steel of centre gripping on the workstation top surface can be followed the slip direction removal in groove that slides, thereby makes laser rangefinder can measure the full length of shaped steel, guarantees measured data's integrality.

This utility further sets up as, the longitudinal section of sliding block is isosceles trapezoid.

Through adopting above-mentioned technical scheme, the longitudinal section is isosceles trapezoid's sliding block and the cooperation of groove of sliding use, can make the in-process that prevents the sliding block and the frame phase separation that slides to guarantee that the sliding block can steadily slide on the frame surface, and then guarantee laser rangefinder's measurement accuracy.

The utility model discloses further set up to, the sliding block with last be provided with and be used for driving the drive assembly that the sliding block slided at the inslot that slides, drive assembly includes drive lead screw, guide bar and driving piece, drive lead screw pass the sliding block and with sliding block threaded connection, drive lead screw length direction's both ends and frame fixed connection, the guide bar pass the sliding block and slide with the sliding block and be connected, the both ends and the frame fixed connection of guide bar.

Through adopting above-mentioned technical scheme, driving motor drives the drive lead screw and rotates to make the sliding block with drive lead screw threaded connection remove along the axis direction of drive lead screw, and then the workstation drives the length direction of shaped steel along the workstation and slides.

The utility model discloses further set up to, the drive lead screw is located the middle part of sliding block length direction one end, and the guide bar is provided with two, and two guide bars are located the both sides of drive lead screw respectively.

Through adopting above-mentioned technical scheme, the guide bar that distributes in drive lead screw both sides can carry out the effect of leading to the removal of sliding block on the one hand, makes sliding block drive the workstation and slides along the length direction of workstation, and on the other hand can prevent that the friction between sliding block and the drive lead screw from causing sliding block to take place slight shake to avoid the measuring error who causes because of the workstation shake.

To sum up, the utility model discloses following beneficial effect has:

1. the first clamping jaw and the second clamping jaw are matched for use, so that the section steel and the workbench can be fixedly connected together, the section steel is prevented from shaking in the process of moving along with the workbench, and the accuracy of the measuring result of the laser straightening machine is improved;

2. the multiple groups of adjusting assemblies are matched with the clamping assembly for use, so that only two ends of the section steel in the length direction can be clamped and fixed, and the section steel can be prevented from being slightly deformed due to multi-point clamping, and therefore, the measured result is closer to the actual condition of the section steel, and the accuracy of the measured result of the laser straightening machine is improved;

3. the guide rods are symmetrically distributed on two sides of the axis direction of the driving screw rod, so that slight shaking of the sliding block caused by friction between the sliding block and the driving screw rod can be prevented, and measuring errors caused by shaking of the workbench are avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a sectional view intended to show the adjustment assembly.

Reference numerals: 1. a machine base; 2. a support pillar; 21. a cantilever; 22. a laser ranging device; 3. a work table; 4. a clamping assembly; 41. a first gripper jaw; 42. a second gripper jaw; 5. an adjustment assembly; 51. an adjustment groove; 52. a first adjusting screw; 53. a second adjusting screw; 54. a first adjusting hand wheel; 55. a second adjusting hand wheel; 6. a slipping component; 61. a sliding block; 62. a sliding groove; 7. a drive assembly; 71. driving a lead screw; 72. a guide bar; 73. the motor is driven.

Detailed Description

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

A laser straightening machine, referring to fig. 1, comprises a machine base 1, wherein the machine base 1 is of a horizontally arranged cubic structure, the top surface of the machine base 1 is connected with a workbench 3 in a sliding manner, the sliding direction of the workbench 3 is parallel to the length direction of the machine base 1, the top surface of the workbench 3 is connected with a clamping component 4 in a sliding manner, and an adjusting component 5 for adjusting the position of the clamping component 4 is arranged between the workbench 3 and the clamping component 4; the both sides fixedly connected with vertical support column 2 of 1 length direction of frame, the top surface fixedly connected with cantilever 21 of support column 2, the cantilever 21 level sets up, the bottom surface fixedly connected with laser rangefinder 22 of cantilever 21, and laser rangefinder 22 is located workstation 3 directly over.

When using this laser straightener to straighten the shaped steel, place the surface at workstation 3 with shaped steel earlier, and press from both sides the shaped steel tightly through centre gripping subassembly 4, fixed, thereby make shaped steel and workstation 3 relatively fixed, open laser range unit 22 afterwards, and make workstation 3 slide at frame 1 top surface, at the in-process that slides, the laser range finder can be measured the by measuring the straight-line distance between plane to the gauge head of shaped steel, thereby judge whether the straightness accuracy of shaped steel meets the requirements.

Referring to fig. 1, the table 3 is a cube, the longitudinal direction of the table 3 is parallel to the longitudinal direction of the base 1, and the table 3 is horizontally disposed on the top surface of the base 1. The clamping assembly 4 comprises a first clamping jaw 41 and a second clamping jaw 42, the first clamping jaw 41 and the second clamping jaw 42 are connected with the workbench 3 in a sliding mode, the sliding direction of the first clamping jaw 41 and the second clamping jaw 42 is perpendicular to the length direction of the workbench 3, the first clamping jaw 41 and the second clamping jaw 42 are of block-shaped structures with L-shaped longitudinal sections, the first clamping jaw 41 and the second clamping jaw 42 are symmetrically arranged on two sides of a symmetrical shaft of the workbench 3 in the width direction, and the free end of the horizontal section of the first clamping jaw 41 and the free end of the horizontal section of the second clamping jaw 42 are arranged close to each other.

Referring to fig. 2, the adjusting assembly 5 includes two adjusting grooves 51, a first adjusting screw 52, a second adjusting screw 53, a first adjusting handwheel 54 and a second adjusting handwheel 55, the two adjusting grooves 51 in one group of adjusting assemblies 5 are provided, the two adjusting grooves 51 are both provided on the top surface of the workbench 3, the two adjusting grooves 51 are symmetrical about the symmetry axis of the workbench 3 in the width direction, and the first clamping claw 41, the second clamping claw 42 and the two adjusting grooves 51 are used in a one-to-one corresponding fit; the first adjusting screw 52 is horizontally arranged and is rotatably connected with the workbench 3, the first adjusting screw 52 penetrates through the free end of the vertical section of the first clamping jaw 41 and is in threaded connection with the first clamping jaw 41, and one end of the first adjusting screw 52 close to the side wall of the workbench 3 is fixedly connected with a first adjusting hand wheel 54; the second adjusting screw 53 is horizontally arranged and rotatably connected with the workbench 3, the second adjusting screw 53 penetrates through the free end of the vertical section of the second clamping jaw 42 and is in threaded connection with the second clamping jaw 42, and one end, close to the side wall of the workbench 3, of the second adjusting screw 53 is fixedly connected with the second adjusting hand wheel 55.

In the process of clamping and fixing the section steel on the surface of the workbench 3, the first adjusting hand wheel 54 and the second adjusting hand wheel are rotated, so that the first clamping jaw 41 and the second clamping jaw 42 are separated from each other, then the section steel is placed on the top surface of the workbench 3, the section steel is abutted to the top surface of the workbench 3, then the first adjusting hand wheel 54 and the second adjusting hand wheel 55 are continuously rotated to enable the first clamping jaw 41 and the second clamping jaw 42 to be close to each other until the first clamping jaw 41 and the second clamping jaw 42 are abutted to the section steel, and therefore the section steel is clamped and fixed.

Referring to fig. 1, the adjusting components 5 and the clamping components 4 are all provided with a plurality of groups, the adjusting components 5 and the clamping components 4 are matched in a one-to-one correspondence manner, and the adjusting components 5 and the clamping components 4 are arranged at equal intervals along the length direction of the workbench 3.

In the process of fixing the section steel, two groups of clamping assemblies 4 close to the two ends of the section steel are respectively abutted against the two ends of the section steel, and a connecting line between two first clamping claws 41 abutted against the section steel is parallel to the length direction of the workbench 3, so that the section steel is fixed in such a way, on one hand, two clamped points of the section steel can be close to the two ends of the section steel as far as possible, the section steel is more stably fixed on the top surface of the workbench 3, the section steel is prevented from shaking in the measuring process, and the measuring precision is improved; on the other hand, only carry out the centre gripping to the both ends of shaped steel length direction and fix, can prevent to cause shaped steel to take place little deformation because of carrying out the multiple spot centre gripping to the shaped steel to guarantee that the measuring result is more close to the actual conditions of shaped steel, thereby improve the rate of accuracy of this laser straightening machine's measuring result.

Referring to fig. 1, be provided with between workstation 3 and the base and slide assembly 6, slide assembly 6 includes sliding block 61 and sliding groove 62, sliding block 61 fixed connection is on the bottom surface of workstation 3, and sliding block 61's length direction is parallel with workstation 3's length direction, and sliding block 61's longitudinal section is isosceles trapezoid, and sliding groove 62 sets up the top surface at frame 1, and sliding groove 62 uses with sliding block 61 cooperation.

The sliding groove 62 is matched with the sliding block 61 for use, the sliding of the sliding block 61 can be guided, the profile steel clamped on the top surface of the workbench 3 can move along the sliding direction of the sliding groove 62, the laser ranging device 22 can measure the full length of the profile steel, and the integrity of the measured data is guaranteed.

Referring to fig. 1, a driving assembly 7 is further disposed between the sliding block 61 and the base 1, the driving assembly 7 includes a driving screw 71, two guide rods 72 and a driving member, an axial direction of the driving screw 71 is parallel to a length direction of the sliding groove 62, the driving screw 71 passes through a central position of the sliding block 61 and is in threaded connection with the sliding block 61, two ends of the driving screw 71 in the length direction are rotatably connected with the base 1, the two guide rods 72 are symmetrically distributed on two sides of the driving screw 71 in the length direction, the axial direction of the guide rods 72 is parallel to the axial direction of the driving screw 71, the guide rods 72 pass through the sliding block 61 and are in sliding connection with the sliding block 61, two ends of the guide rods 72 in the axial direction are fixedly connected with the base 1, the driving member is a driving motor 73, and an output shaft of the driving motor 73 is fixedly connected with one end of the driving screw.

The driving motor 73 drives the driving screw rod 71 to rotate, so that the sliding block 61 in threaded connection with the driving screw rod 71 moves along the axial direction of the driving screw rod 71, and the workbench 3 drives the section steel to slide along the length direction of the workbench 3; the guide rods 72 distributed on two sides of the driving screw 71 can guide the movement of the sliding block 61, so that the sliding block 61 drives the workbench 3 to slide along the length direction of the workbench 3, and can prevent the sliding block 61 from slightly shaking due to the friction between the sliding block 61 and the driving screw 71, thereby avoiding the measurement error caused by the shaking of the workbench 3.

The utility model discloses a use as follows:

when the laser straightening machine is used for straightening section steel, a first adjusting hand wheel 54 and a second adjusting hand wheel are rotated to separate a first clamping claw 41 and a second clamping claw 42 from each other, then the section steel is placed on the top surface of a workbench 3 and is abutted against the top surface of the workbench 3, then the first adjusting hand wheel 54 and the second adjusting hand wheel 55 are continuously rotated to enable the first clamping claw 41 and the second clamping claw 42 to approach each other until the first clamping claw 41 and the second clamping claw 42 are both abutted against the section steel, so that one end of the section steel is clamped and fixed, then the other end of the section steel is fixedly connected with the workbench 3 in the same way, so that the section steel is clamped, then a driving motor 73 and a laser distance measuring device 22 are started, the driving motor 73 drives a driving lead screw 71 to rotate, so that a sliding block 61 in threaded connection with the driving lead screw 71 moves along the axial direction of the driving lead screw 71, and then make workstation 3 drive shaped steel along the length direction slippage of workstation 3, at the in-process that slides, laser range finder can measure the straight line distance between the measured plane of shaped steel to the gauge head to judge whether the straightness accuracy of shaped steel meets the requirements.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A laser straightening machine is characterized in that: including frame (1), frame (1) length direction's both sides fixedly connected with support column (2), support column (2) top surface fixedly connected with cantilever (21), fixedly connected with laser rangefinder (22) on cantilever (21), frame (1) top surface slides and is connected with workstation (3), the direction of sliding of workstation (3) is parallel with the length direction of frame (1), workstation (3) top surface is provided with centre gripping subassembly (4) that are used for fixed work piece, centre gripping subassembly (4) are including first gripper jaw (41) and second gripper jaw (42), first gripper jaw (41) are used with second gripper jaw (42) cooperation, first gripper jaw (41) are grabbed with the second centre gripping and are all slided with workstation (3) and be connected, still be provided with adjusting part (5) between gripper jaw (4) and workstation (3).

2. A laser straightener as claimed in claim 1, wherein: the adjusting assembly (5) comprises an adjusting groove (51), a first adjusting lead screw (52), a second adjusting lead screw (53), a first adjusting hand wheel (54) and a second adjusting hand wheel (55), the adjusting groove (51) is arranged on the top surface of the workbench (3), the length direction of the adjusting groove (51) is perpendicular to the length direction of the workbench (3), the adjusting groove (51) is matched with the first clamping jaw (41) and the second clamping jaw (42) for use, the first adjusting lead screw (52) and the second adjusting lead screw (53) are both arranged in the adjusting groove (51), the first adjusting lead screw (52) and the second adjusting lead screw (53) are both rotatably connected with the workbench (3), the first adjusting lead screw (52) penetrates through the first clamping jaw (41) and then is in threaded connection with the first clamping jaw (41), the second adjusting lead screw (53) penetrates through the second clamping jaw (42) and then is in threaded connection with the second clamping jaw (42), the first adjusting hand wheel (54) and the second adjusting hand wheel (55) are respectively and fixedly connected to one ends of the first adjusting screw rod (52) and the second adjusting screw rod (53) which are far away from each other.

3. A laser straightener as claimed in claim 1, wherein: the clamping assembly (4) and the adjusting assembly (5) are provided with a plurality of groups, the clamping assembly (4) and the adjusting assembly (5) are matched in a one-to-one correspondence mode, and the clamping assembly (4) and the adjusting assembly (5) are arranged along the length direction of the workbench (3).

4. A laser straightener as claimed in claim 1, wherein: be provided with between workstation (3) and frame (1) subassembly (6) that slides, subassembly (6) that slides includes sliding block (61) and groove (62) that slides, and sliding block (61) and the bottom surface fixed connection of workstation (3), the groove (62) of sliding are seted up at frame (1) top surface, and sliding block (61) and the cooperation of groove (62) of sliding use, and the length direction of groove (62) of sliding is parallel with the length direction of frame (1).

5. A laser straightener as claimed in claim 4, wherein: the sliding block (61) is in an isosceles trapezoid shape.

6. A laser straightener as claimed in claim 4, wherein: the utility model discloses a sliding block (61) and last be provided with drive assembly (7) that are used for driving sliding block (61) and slide in sliding groove (62), drive assembly (7) are including drive lead screw (71), guide bar (72) and driving piece, drive lead screw (71) pass sliding block (61) and with sliding block (61) threaded connection, drive lead screw (71) length direction's both ends and frame (1) fixed connection, guide bar (72) pass sliding block (61) and with sliding block (61) sliding connection, the both ends and frame (1) fixed connection of guide bar (72).

7. A laser straightener as claimed in claim 6, wherein: the driving screw rod (71) is located in the middle of one end of the sliding block (61) in the length direction, two guide rods (72) are arranged, and the two guide rods (72) are located on two sides of the driving screw rod (71) respectively.