CN211954094U - A guide rail straightness calibration device - Google Patents

Abstract

The utility model discloses a guide rail straightness checking device, which comprises a frame, including a working platform; a pressing mechanism is fixed on the frame, and the pressing mechanism comprises a pressing head and a pressing driving component. The pressing head is fixed on the output end of the pressing driving assembly; the supporting mechanism is fixed on the working platform, and the supporting mechanism comprises a pressing supporting pad and a second pressing supporting pad symmetrically arranged on both sides of the pressing supporting pad. a support assembly and a second support assembly symmetrically arranged on both sides of the depression support pad, the highest points of the depression support pad, the first support assembly and the second support assembly are in the same horizontal plane; the depression displacement measurement assembly, Fixed on the frame, the measuring end of the push-down displacement measuring assembly is fixed on the output end of the push-down drive assembly, and the push-down displacement measurement assembly provides a control signal for the control of the push-down drive assembly .

Description

A guide rail straightness calibration device

technical field

The utility model belongs to the technical field of guide rail calibration equipment, in particular to a guide rail straightness calibration device.

Background technique

The straightness of the guide rail is the basic accuracy of the precision of various machine tools, and the straightness of the guide rail has a direct impact on the precision of many machine tools. Once the guide rail is subjected to uneven force during the production process or uneven heating during the heat treatment process, the guide rail will be partially bent and the straightness of the guide rail will be damaged. Therefore, there is a need for a device capable of verifying the straightness of the guide rail.

SUMMARY OF THE INVENTION

The purpose of this utility model is to provide a guide rail straightness calibration device, the transfer of which solves the technical problems existing in the background technology.

In order to solve the above-mentioned technical problem, the purpose of this utility model is achieved like this:

A guide rail straightness calibration device, comprising:

racks, including work platforms;

a pressing mechanism, which is fixed on the frame, the pressing mechanism includes a pressing head and a pressing driving assembly, and the pressing head is fixed on the output end of the pressing driving assembly;

a support mechanism, fixed on the working platform, the support mechanism includes a pressing support pad, a first support assembly symmetrically arranged on both sides of the pressing support pad, and a second support symmetrically arranged on both sides of the pressing support pad an assembly, wherein the highest points of the pressing down support block, the first support assembly and the second support assembly are in the same horizontal plane;

A push-down displacement measuring assembly is fixed on the frame, the measuring end of the push-down displacement measuring assembly is fixed at the output end of the push-down drive assembly, and the push-down displacement measurement assembly drives the push-down drive The control of the components provides control signals.

On the basis of the above solution and as a preferred solution of the above solution, the support mechanism further includes a jacking assembly, and the jacking assembly is symmetrically arranged on both sides of the pressing support block.

On the basis of the above solution and as a preferred solution of the above solution, the jacking assembly includes a jacking oil cylinder and a jacking plate, and the jacking plate is fixed on the output end of the jacking oil cylinder.

On the basis of the above scheme and as a preferred scheme of the above scheme: it also includes a zero adjustment assembly, the zero adjustment assembly includes a level adjustment plate, and the measuring end of the depression displacement measurement assembly is fixed on the level adjustment plate; One end of the horizontal adjustment plate is detachably fixed on the output end of the pressing drive assembly, and the other end is provided with an adjusting assembly, and the adjusting assembly releases the connection between the horizontal adjusting plate and the output end of the pressing drive assembly. After the connection state is fixed, the level height of the level adjustment plate can be adjusted.

On the basis of the above scheme and as a preferred scheme of the above scheme: the adjustment assembly includes a vertically arranged guide rod and an adjustment threaded rod, the guide rod and the adjustment threaded rod are arranged in parallel, and the horizontal adjustment plate is provided with There are clamping openings, guide holes and adjusting screw holes, the horizontal adjustment plate is clamped and connected to the output end of the pressing assembly through the clamping openings, and the guide rods pass through the guide from top to bottom. A connecting plate is fixed at the lower end of the guide rod, the connecting plate extends toward the adjusting threaded rod, one end of the adjusting threaded rod is screwed into the adjusting screw hole, and the other end passes through the connecting plate. A rotating part is fixed.

On the basis of the above scheme and as a preferred scheme of the above scheme: the downward pressure displacement measuring component is a pull rope displacement sensor, the pull rope displacement sensor includes a pull rope, and the free end of the pull rope is fixed on the horizontal adjustment plate.

Compared with the prior art, the present utility model has prominent and beneficial technical effects as follows: by pressing down the support pad, the first support components symmetrically arranged on both sides of the down-pressing support pad, and the second supporting components symmetrically arranged on both sides of the down-pressing support pad The support assembly aligns the guide rail to be straightened; and a push-down displacement measurement assembly is provided, and the push-down displacement measurement assembly provides a control signal for the control of the push-down drive assembly, so as to realize the downward movement of the output end of the push-down drive assembly. Therefore, it can be adjusted adaptively according to the deviation size of the straightness of the guide rail. The lower pressure drive assembly drives the lower pressure head to move down to form the lower pressure guide rail, so as to avoid the reverse bending or deformation of the guide rail due to the overpressure of the lower pressure head.

Description of drawings

Fig. 1 is the overall structure front view of the present utility model;

Fig. 2 is the overall structure top view of the present utility model;

Figure 3 is a schematic diagram of the structure of the adjustment assembly;

Figure 4 is a schematic view of the structure of the horizontal adjustment plate.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments. Obviously, the described embodiments are only a part of the present application. examples, but not all examples. Based on the given embodiments, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application.

In the description of the present application, the terms "first", "second", etc. are only used for description purposes, and cannot be understood as indicating or implying relative importance or implying the number of indicated technical features.

A guide rail straightness calibration device, comprising:

The rack 1 includes a base 13, a working platform 11 and an upper bracket 12. The working platform 11 is located on the base 12, and the upper bracket 12 is located above the working platform 11; preferably, the working platform 11 includes an installation platform 111 and a discharging platform 112. The installation platform 111 A positioning and installation groove 1111 is opened on the upper surface, and the upper end surface of the discharge platform 112 is higher than the installation platform 111 .

The pressing mechanism 2 is fixed on the frame 1. The pressing mechanism 2 includes a pressing head 22 and a pressing driving assembly 21. The pressing head 22 is fixed on the output end 211 of the pressing driving assembly.

The support mechanism 3 is fixed on the working platform 11, and the support mechanism 3 includes a pressing support pad 31, a first support assembly 32 symmetrically arranged on both sides of the pressing support pad 31, and symmetrically arranged on the pressing support pad The second support assemblies 33 on both sides of the block 31, the uppermost points of the lower pressure support pad 31, the first support assembly 32 and the second support assembly 33 are in the same horizontal plane; The highest points of the pressure support block 31 , the first support component 32 and the second support component 33 are all in contact with each other at the same time.

The push-down displacement measuring assembly 4 is fixed on the upper frame 12, the measuring end of the push-down displacement measuring assembly 4 is fixed on the output end 211 of the push-down drive assembly, and the push-down displacement measuring assembly has 4 pairs of The control of the push-down drive assembly 21 provides control signals.

The support mechanism 2 further includes a jack-up assembly 34 , and the jack-up assembly 34 is symmetrically arranged on both sides of the push-down support block 31 . preferably,

The jacking assembly 34 includes a jacking cylinder 341 and a jacking plate 342. The jacking plate 342 is fixed on the output end of the jacking cylinder 341. When the guide rail needs to be corrected, the jacking assembly 34 is controlled. The lifting cylinder 341 drives the lifting plate 342 to move up, and then first put the guide rail on the discharge platform 112, and then transfer the guide rail to the lifting plate 342. After adjusting the guide rail, control the lifting cylinder 341 to drive the lifting plate. 342 moves down, after the lift plate 342 moves down, the guide rail will fall to the pressing support block 31, the first support assembly 32 and the second support assembly 33, and the guide rail will be supported by contact with its highest point. The use of the jacking assembly 34 avoids placing the guide rail directly on the support mechanism 3, resulting in an impact on the pressing support pad 31, the first supporting assembly 32 and the second supporting assembly 33 to accelerate the pressing of the supporting pad 31, the first The surface of the first support assembly 32 and the second support assembly 33 is worn; on the other hand, due to the small contact surface between the guide rail and the pressing support pad 31, the first support assembly 32 and the second support assembly 33, excessive impact will It may cause damage to the rail surface.

It also includes a zero adjustment assembly 5, the zero adjustment assembly 5 includes a horizontal adjustment plate 51, the measuring end 41 of the downward displacement measuring assembly 4 is fixed on the horizontal adjustment plate 51; one end of the horizontal adjustment plate 51 is detachably fixed on the downward pressure The output end 211 of the drive assembly is provided with an adjustment assembly 53 at the other end. to adjust the horizontal height. Specifically, the adjustment assembly 53 includes a vertically arranged guide rod 52 and an adjustment screw rod 53 , the guide rod 52 is arranged in parallel with the adjustment screw rod 53 , and the horizontal adjustment plate 51 is provided with a clamping port 511 , a guide hole 512 and an adjustment screw hole 513 and locking port 514, the locking port 514 is communicated with the locking port 511, a locking bolt 5141 is vertically screwed into the locking port 514; By tightening the locking bolt 5141, the locking port 514 is compressed, so that the locking port 511 is deformed and reduced, so that the level adjustment plate 51 is fixedly connected to the output end 211 of the pressing drive assembly; the guide rod 52 is from the top The lower end of the guide rod 52 is fixed with a connecting plate 54. The connecting plate 54 extends toward the adjusting screw rod 531. One end of the adjusting screw rod 531 is screwed into the adjusting screw hole 513, and the other end passes through the connecting plate. A rotating part 532 is fixed at the back of 54; specifically, when the rotating part 532 is rotated in the forward or reverse direction, the adjusting screw rod 531 can be driven to rotate synchronously, then due to the adjustment of the adjusting screw rod 531 and the horizontal adjustment plate 51 The screw holes 513 are threadedly connected, and when the adjusting screw rod 531 is rotated, the horizontal adjustment plate 51 can be driven to translate horizontally along the guide rod 52 , so as to realize the adjustment of the height of the horizontal adjustment plate 51 .

Further preferably, the downward pressure displacement measuring assembly 4 is a cable displacement sensor. The cable displacement sensor includes a sensor body 41 , a fixing block 42 and a pulling cable 43 , and the free end of the pulling cable 43 is fixed on the leveling plate 51 through the fixing block 42 . . During use, by adjusting the height of the horizontal adjustment plate 51, the length of the pull-out rope 43 can be adjusted, so that the pull-rope displacement sensor can be zero-adjusted. Pull out, then the distance of the pressing head can be known by the length of the pulling rope, so that when the position of the controller is set, the pressing drive assembly can be controlled to stop the downward movement after reaching the set length. so as to avoid reverse bending or deformation of the guide rail due to the overpressure of the lower pressure head.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention shall be covered by the present invention. within the scope of protection of the utility model.

Claims (6)

1. a guide rail straightness calibration device, is characterized in that: comprising: racks, including work platforms; a pressing mechanism, which is fixed on the frame, the pressing mechanism includes a pressing head and a pressing driving assembly, and the pressing head is fixed on the output end of the pressing driving assembly; a support mechanism, fixed on the working platform, the support mechanism includes a pressing support pad, a first support assembly symmetrically arranged on both sides of the pressing support pad, and a second support symmetrically arranged on both sides of the pressing support pad an assembly, wherein the highest points of the pressing down support block, the first support assembly and the second support assembly are in the same horizontal plane; A push-down displacement measuring assembly is fixed on the frame, the measuring end of the push-down displacement measuring assembly is fixed at the output end of the push-down drive assembly, and the push-down displacement measurement assembly drives the push-down drive The control of the components provides control signals. 2 . The guide rail straightness calibration device according to claim 1 , wherein the support mechanism further comprises a jack-up assembly, and the jack-up assemblies are symmetrically arranged on both sides of the depression support pad block. 3 . 3 . A guide rail straightness calibration device according to claim 2 , wherein the jacking assembly comprises a jacking oil cylinder and a jacking plate, and the jacking plate is fixed on the top of the jacking oil cylinder. 4 . output. 4. A guide rail straightness calibration device according to claim 1, characterized in that: it further comprises a zero-adjustment component, the zero-adjustment component comprises a horizontal adjustment plate, and the measuring end of the downward displacement measuring component is fixed Set on the horizontal adjustment plate; one end of the horizontal adjustment plate is detachably fixed to the output end of the pressing drive assembly, and the other end is provided with an adjustment assembly, and the adjustment assembly is released when the horizontal adjustment plate is released from the After the fixed connection state of the output end of the drive assembly is pressed down, the level height of the level adjustment plate can be adjusted. 5. A guide rail straightness calibration device according to claim 4, wherein the adjustment assembly comprises a vertically arranged guide rod and an adjustment threaded rod, the guide rod and the adjustment threaded rod are arranged in parallel , the horizontal adjustment plate is provided with a clamping opening, a guide hole and an adjusting screw hole, the leveling adjustment plate is clamped and connected to the output end of the push-down drive assembly through the clamping opening, and the guide rod is Passing through the guide hole from top to bottom, a connecting plate is fixed at the lower end of the guide rod, the connecting plate extends toward the adjusting screw rod, and one end of the adjusting screw rod is screwed into the adjusting screw hole, The other end is fixed with a rotating part after passing through the connecting plate. 6 . A guide rail straightness calibration device according to claim 5 , wherein the downward pressure displacement measuring component is a pull-rope displacement sensor, and the pull-rope displacement sensor comprises a pull-rope; The free end is fixed on the leveling plate.

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