CN222971817U - Follow-up bracket and machine tool - Google Patents

Abstract

The application relates to the technical field of machining, in particular to a follow-up bracket and a machine tool. The follow-up bracket comprises a bracket body, a guide rail base, a guide rail sliding block and a linear driving mechanism, wherein the bracket body is provided with a supporting groove which can slide relative to a workpiece to realize sliding support of the bracket body on different positions of the workpiece, the guide rail base is provided with a sliding guide rail, the guide rail sliding block is connected with the sliding guide rail in a sliding manner, the bracket body is connected with the guide rail sliding block and slides under the driving of the guide rail sliding block, and the linear driving mechanism is fixed on the guide rail base and used for driving the guide rail sliding block to slide along the sliding guide rail. The follow-up bracket provided by the application can be arranged on a machine tool and can carry out sliding support on a workpiece, and when the position of the workpiece driven by the machine tool changes relative to a grinding wheel, namely a grinding point, the bracket body can be driven to move, so that the supporting position changes along with the change of the grinding point, and the interference between the grinding wheel and the bracket body is avoided.

Description

Follow-up bracket and machine tool

Technical Field

The application relates to the technical field of machining, in particular to a follow-up bracket and a machine tool.

Background

There is an increasing demand for deep hole drilling in industrial production. The tool grinder is used as a machine tool for processing the deep hole drill bit, has the problem that a workpiece is suspended, and causes the problem that the processed long workpiece is easy to deform. The tool grinder therefore requires the addition of a workpiece carrier as an additional support structure for the long workpiece when machining the long workpiece.

However, existing workpiece holders are generally of a fixed construction relative to the workpiece, i.e., adjustable support at a fixed location on the workpiece. After the workpiece is supported and fixed, the workpiece precision is inconvenient to adjust, and when a long workpiece groove is machined, the grinding point is moved to a position where the bracket supports the workpiece along with the feeding of the workpiece and the change of the grinding point, so that the interference problem of the bracket and the grinding wheel exists.

Disclosure of utility model

The application provides a follow-up bracket and a machine tool, wherein the follow-up bracket can realize that a bracket body moves along with a grinding point, and interference between the bracket body and a grinding wheel is avoided.

In a first aspect, the present application provides a follower bracket comprising:

The bracket body is provided with a supporting groove for supporting the workpiece;

a guide rail base provided with a sliding guide rail;

the guide rail sliding block is connected to the sliding guide rail in a sliding way, the bracket body is connected with the guide rail sliding block, and the extending direction of the supporting groove is consistent with the sliding direction of the guide rail sliding block;

The linear driving mechanism is arranged on the guide rail base and is in driving connection with the guide rail sliding block.

In some embodiments, the rail base comprises:

The first base is provided with an installation groove, and the side wall of the installation groove is provided with a plurality of top thread holes in a penetrating way;

The second base is arranged in the mounting groove and in clearance fit with the mounting groove, mounting flanges are arranged on two sides, close to the side wall of the mounting groove, of the second base, and the guide rail sliding block is arranged on the second base;

And the adjusting jackscrew is arranged in the jackscrew hole and is abutted against the installation flange.

In some embodiments, the linear drive mechanism comprises:

the screw rod motor is fixed on the guide rail base;

the first screw rod is connected with the output shaft of the screw rod motor and the guide rail sliding block.

In some embodiments, the guide rail comprises a bracket body, a guide rail motor, a guide rail seat, a guide rail motor and a guide rail motor, wherein the guide rail motor is arranged on one side of the guide rail seat, which is away from the bracket body, and the guide rail motor is arranged on one end of the guide rail seat and connected with the first guide screw through the guide rail motor.

In some embodiments, an adjusting mechanism for adjusting the position of the bracket body is arranged between the bracket body and the guide rail sliding block, and the adjusting mechanism comprises:

The bracket body is connected with the first lifting plate;

the first guide shaft is connected with the guide rail sliding block and is used for sliding connection of the first jacking plate;

And the jacking cylinder is connected with the guide rail sliding block and used for driving the first jacking plate to slide along the first guide shaft.

In some embodiments, the adjustment mechanism comprises:

The second jacking plate is arranged between the first jacking plate and the bracket body, and the second jacking plate and the first jacking plate are arranged in parallel;

The second screw rod is connected between the first lifting plate and the second lifting plate and used for driving the second lifting plate to lift relative to the first lifting plate, and the second screw rod is provided with a screw rod handle;

The second guide shaft is fixed on the second lifting plate and extends towards the first lifting plate;

And the locking mechanism is fixed on the first lifting plate and matched with the second guide shaft, and is used for locking or unlocking the second guide shaft.

In some embodiments, the adjustment mechanism comprises:

The transverse adjusting seat is connected with the second lifting plate and is provided with a transverse adjusting groove;

The transverse adjusting guide rod is arranged in the transverse adjusting groove, and the bracket body sliding block is connected with the transverse adjusting guide rod;

the micrometer cylinder vertically penetrates into the transverse adjusting groove and is connected with the bracket body.

In some embodiments, the adjusting mechanism further comprises a lateral adjusting slider slidably connected to the lateral adjusting guide bar, the micrometer cylinder is connected to the lateral adjusting slider, and the bracket body is detachably mounted to the lateral adjusting slider.

In a second aspect, the application provides a machine tool, employing a follower cradle of any one of the preceding claims, the machine tool further comprising:

lifting the mobile platform;

the first horizontal moving platform is connected with the lifting moving platform and driven by the lifting moving platform to move up and down;

The second horizontal moving platform is vertically connected with the first horizontal moving platform and driven by the first horizontal moving platform to reciprocate along a first direction;

The workpiece clamping part is used for clamping and fixing a workpiece, and the workpiece clamping part and the guide rail base are connected with the second horizontal moving platform and driven by the second horizontal moving platform to reciprocate along a second direction.

In some embodiments, a rotating platform is further arranged between the second horizontal moving platform and the workpiece clamping part, and the rotation axis of the rotating platform coincides with the first direction.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the advantages that the follow-up bracket can be arranged on a machine tool to support a workpiece with a larger length, the workpiece is prevented from being suspended, the guide rail base is arranged on the workpiece shaft, the workpiece is clamped on the workpiece shaft, when the workpiece shaft drives the workpiece to feed towards the cutter, the guide rail base synchronously moves and keeps relatively motionless with the workpiece, when the cutter is processed from the end part of the workpiece to the root part of the workpiece, the guide rail slider is driven by the linear driving mechanism to slide along the sliding guide rail at the moment, the bracket body and the supporting groove thereof are driven to slide relative to the workpiece, the supporting position of the bracket body on the workpiece is changed, the superposition of the supporting position and the processing position is avoided, and the interference between the bracket body and the cutter is effectively prevented.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

FIG. 1 is a schematic view of a follower bracket according to an embodiment of the present application;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a schematic view of an assembly of the rail base and rail blocks of FIG. 1;

FIG. 4 is a block diagram of the track base of FIG. 1;

FIG. 5 is a schematic view of the assembly of the adjustment structure and bracket body of FIG. 1;

Fig. 6 is a schematic diagram of a machine tool employing the follower carriage of fig. 1.

Wherein:

100-follow-up carriage;

101-bracket mounting plate, 102-guide rail base, 1021-first base, 1022-second base, 10221-mounting flange, 1023-top wire hole, 103-screw motor, 104-transmission mechanism, 105-first screw, 106-guide rail slide block, 107-cylinder mounting frame, 108-lifting cylinder, 109-first lifting plate, 110-first guide shaft, 111-second screw, 1111-screw handle, 112-second lifting plate, 113-locking mechanism, 1131-locking handle, 114-transverse adjusting seat, 115-transverse adjusting guide rod, 116-bracket body, 117-thousandth cylinder and 118-transverse adjusting slide block.

200-Rotating a platform;

300-a first horizontal movement platform;

400-a second horizontal movement platform;

500-workpiece clamping portion.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "upper," "above," "front," "rear," and the like, may be used herein to describe one element's or feature's relative positional relationship or movement to another element's or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures experiences a positional reversal or a change in attitude or a change in state of motion, then the indications of these directives will also correspondingly change, e.g., an element described as "under" or "under" another element or feature will then be oriented "over" or "over" the other element or feature. Thus, the example term "below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

In order to solve the technical problem that a bracket interferes with a grinding wheel when a machine tool grinds a workpiece in the prior art, the application provides a follow-up bracket 100 and the machine tool, which can adjust the supporting position of a bracket body 116 on the workpiece when the grinding point of the workpiece is changed, so that the supporting position and the grinding point are different, and the interference of the bracket body 116 with cutters such as the grinding wheel is avoided.

References herein to a connection include both direct contact connection and indirect connection through other structural members. The principle that the grinding wheel is used for grinding the workpiece and the bracket body 116 is not interfered with the grinding wheel is described, and in actual implementation, the grinding wheel can be replaced by a cutter of other types, namely, the interference between the cutter and the bracket body 116 is effectively avoided.

The embodiment of the present application provides a follower bracket 100, as shown in fig. 1 to 3, the follower bracket 100 includes a bracket body 116, a rail base 102, a rail slider 106, and a linear driving mechanism. The bracket body 116 is provided with a support groove, and the support groove can slide relative to the workpiece to realize sliding support of the bracket body 116 to different positions of the workpiece. The guide rail base 102 is provided with a sliding guide rail, the guide rail sliding block 106 is connected with the sliding guide rail in a sliding manner, and the bracket body 116 is connected with the guide rail sliding block 106 and slides under the driving of the guide rail sliding block 106.

The linear driving mechanism is fixed on the rail base 102 and used for driving the rail sliding block 106 to slide along the sliding rail, and the form of the linear driving mechanism is not limited herein, and may be a linear motor, a servo motor matched with a screw rod for driving, or a driving cylinder or an oil cylinder. The follow-up bracket 100 provided by the application can be arranged on a machine tool and can slidingly support a workpiece, and when the machine tool drives the workpiece to move relative to a grinding wheel, namely, the grinding point is changed, the bracket body 116 can be driven to move, so that the supporting position of the bracket body 116 to the workpiece is changed along with the change of the grinding point, and the interference between the grinding wheel and the bracket body 116 is effectively avoided.

Referring to fig. 2 and 6 in combination, the follower bracket 100 can be used to mount and fix the guide rail base 102 to a set of driving units of a machine tool by means of a bracket mounting plate 101. The machine tool shown in fig. 6 includes a first horizontal movement stage 300, i.e., an X-axis movement stage, a second horizontal movement stage 400, i.e., a Z-axis movement stage, and a rotation stage 200 (the rotation axis of the rotation stage 200 coincides with the X-axis, which is called a C-axis rotation stage for a non-standard machine tool, and an a-axis rotation stage for a standard machine tool), and also includes a lifting movement stage, i.e., a Y-axis movement stage, which is not shown.

The second horizontal moving platform 400 is connected to the first horizontal moving platform 300, the rotating platform 200 is connected to the second horizontal moving platform 400, the workpiece clamping part 500 is fixed to the rotating platform 200, and the rail base 102 is fixed to the shaft seat of the rotating platform 200 through the bracket mounting plate 101. When the workpiece is processed, the position of the grinding wheel, namely the cutter, is fixed, the first horizontal moving platform 300 drives the workpiece to feed towards the grinding wheel along the first direction, namely the X-axis direction through the second horizontal moving platform 400 and the rotating platform 200, the grinding position of the workpiece changes, the guide rail base 102 moves synchronously, the guide rail sliding block 106 is driven by the linear driving mechanism fixed on the guide rail base 102 to move along the sliding guide rail, the bracket body 116 connected with the guide rail sliding block 106 is driven to move, the bracket body 116 slides relative to the workpiece through the supporting groove, the supporting position of the bracket body 116 on the workpiece is changed, and the supporting position of the bracket body 116 on the workpiece and the grinding position of the grinding wheel on the workpiece are different, so that interference between the bracket body 116 and the grinding wheel is effectively prevented.

In some embodiments, the linear driving mechanism may specifically take the form of a lead screw motor 103 matched with a first lead screw 105, the lead screw motor 103 is fixed on the guide rail base 102 and is coaxially connected with the input end of the first lead screw 105, and a lead screw nut of the first lead screw 105 is fixedly connected with the guide rail sliding block 106, so that the guide rail sliding block 106 is driven to reciprocate along the sliding guide rail through forward and reverse rotation of the lead screw motor 103.

Preferably, in order to reduce the length of the follower bracket 100, the screw motor 103 and the first screw 105 may also be disposed at both sides of the rail base 102, respectively, and the screw motor 103 and the first screw 105 are connected through the transmission mechanism 104. Illustratively, the lead screw motor 103 is fixed to a first side surface of the rail base 102, the first lead screw 105 is disposed on a second side surface of the rail base 102, the first side surface and the second side surface are disposed on two sides of the rail base 102 facing away from each other, and the sliding rail and the rail slider 106 are disposed on the second side surface of the rail base 102. The screw motor 103 and the first screw 105 are connected by a transmission 104, which transmission 104 may be a set of gear boxes. The input end of the gear reduction box is connected with the output shaft of the screw motor 103, and the output end of the gear reduction box is connected with the input end of the first screw 105. By providing the speed reducing transmission mechanism 104, the length of the follow-up bracket 100 can be reduced, the follow-up bracket 100 is convenient to mount on a machine tool, and the sliding speed of the guide rail sliding block 106, namely the bracket body 116, relative to a workpiece can be accurately controlled.

In some embodiments, as shown in fig. 4, the guide rail base 102 includes a first base 1021, a second base 1022 and an adjusting top screw, a second side surface of the first base 1021 is provided with a mounting groove, a plurality of groups of top screw holes 1023 are provided through on a side wall of the mounting groove, and the plurality of groups of top screw holes 1023 are provided along a length direction of the mounting groove. The second base 1022 is connected to the second side of the first base 1021 through a mounting groove, and the second base 1022 and the mounting groove of the first base 1021 are clearance fit. The sliding guide rail is mounted and fixed on the side of the second base 1022 facing away from the first base 1021. The second base 1022 is provided with a mounting flange 10221 on both sides facing the inner wall of the mounting groove, i.e., on both sides in the width direction, and the adjusting screw is screwed to the screw hole 1023 and abuts against the mounting flange 10221. The adjusting jackscrews at the positions of different jackscrew holes 1023 are screwed to carry out abutting limiting on the installation flange 10221 of the second base 1022, so that the levelness of the second base 1022, the sliding guide rail and the bracket body 116 along the first direction (X-axis direction) is adjusted, the supporting grooves of the sliding guide rail and the bracket body 116 are ensured to be parallel to the X-axis direction, and the supporting precision of a workpiece is improved.

Referring to fig. 2 and 5 in combination, the follower bracket 100 according to the embodiment of the present application further includes an adjusting mechanism connected between the rail slider 106 and the bracket body 116 for adjusting the position of the bracket body 116 relative to the rail slider 106. Illustratively, an adjustment mechanism may be used to adjust the height position of the carriage body 116, and an adjustment mechanism may also be used to adjust the position of the carriage body 116 in the direction of the vertical sliding rail.

In some embodiments, the adjustment mechanism includes at least a first jacking plate 109, a first guide shaft 110, a jacking cylinder 108, and a cylinder mounting frame 107. The cylinder mounting frame 107 is fixed on the guide rail slider 106, the jacking cylinder 108 and the first guide shaft 110 are vertically fixed on the cylinder mounting frame 107, the first jacking plate 109 is connected with the first guide shaft 110 in a lifting and sliding manner, and the bracket body 116 is arranged above the first jacking plate 109. The output end of the jacking cylinder 108 may be fixedly connected to the first jacking plate 109, or may be provided in a non-fixed manner. When the output end of the jacking cylinder 108 is fixedly connected with the first jacking plate 109, the jacking cylinder 108 drives the first jacking plate 109 to lift along the first guide shaft 110 through expansion and contraction. When the output end of the jacking cylinder 108 is not fixed with the first jacking plate 109, the jacking cylinder 108 extends to drive the first jacking plate 109 to ascend along the first guide shaft 110, the jacking cylinder 108 contracts to not drive the first jacking plate 109 to descend, and the first jacking plate 109 descends along the first guide shaft 110 under the action of gravity or external force of the first jacking plate 109 and the bracket body 116.

In order to improve the stability of the lifting movement of the first lift plate 109, the first guide shafts 110 may be provided in a plurality of groups, for example, two groups of the first guide shafts 110 are provided, and the two groups of the first guide shafts 110 are provided in parallel to each other at both sides of the lift cylinder 108.

Further, the adjusting mechanism further includes a second lift plate 112, a second screw 111, a second guide shaft, and a locking mechanism 113. Wherein the second jacking plate 112 is arranged in parallel above the first jacking plate 109, i.e. on the side remote from the jacking cylinder 108. The second guide shaft is fixed on the second lifting plate 112, the locking mechanism 113 is fixed on the first lifting plate 109, the first lifting plate 109 and the second lifting plate 112 are in lifting sliding connection through the second guide shaft, the second guide shaft (not shown in the drawing) is simultaneously arranged on the locking mechanism 113 in a penetrating mode, the locking mechanism 113 is used for clamping and locking the second guide shaft, accordingly the second lifting plate 112 is fixed relative to the first lifting plate 109, the locking mechanism 113 is provided with a locking handle 1131, and locking and unlocking of the second guide shaft are achieved through pulling the locking handle 1131 to move in a locking position and an unlocking position. When the second guide shaft is in the unlocked state, the second guide shaft can be lifted and lowered relative to the lock mechanism 113 and the first lift plate 109, and the height positions of the second lift plate 112 and the bracket body 116 can be adjusted.

The second screw rod 111 can adopt a trapezoidal screw rod, the second screw rod 111 is further provided with a screw rod handle 1111, when the locking mechanism 113 unlocks the second guide shaft, the trapezoidal screw rod is driven to rotate by twisting the screw rod handle 1111, so that the adjustment of the distance between the first lifting plate 109 and the second lifting plate 112 is realized, and after the adjustment is in place, the locking handle 1131 is pulled again to lock the second guide shaft.

As shown in fig. 5, on the basis of the above embodiment, the following bracket 100 provided in an embodiment of the present application further includes a lateral adjustment seat 114, a lateral adjustment guide rod 115, and a micrometer cylinder 117. The transverse adjusting seat 114 is fixed above the second jacking plate 112, the upper end surface of the transverse adjusting seat 114 is provided with a transverse adjusting groove, a transverse adjusting guide rod 115 is connected in the transverse adjusting groove, the extending direction of the transverse adjusting guide rod 115 is mutually perpendicular to the extending direction of the sliding guide rail and the first guide shaft 110, the bracket body 116 is connected with the transverse adjusting guide rod 115 in a sliding manner, the micrometer tube 117 penetrates through the side wall of the transverse adjusting groove from the outer side of the transverse adjusting seat 114 to extend into the transverse adjusting groove and is connected with the bracket body 116, and the transverse position (namely the position in the Z-axis direction) of the bracket body 116 can be adjusted by twisting the micrometer tube 117.

In some embodiments, the bracket body 116 is slidably connected with the transverse adjusting guide rod 115 through the transverse adjusting slide block 118, the micrometer cylinder 117 is connected with the transverse adjusting slide block 118, and the bracket body 116 is driven to move along the transverse adjusting guide rod 115 by driving the transverse adjusting slide block 118 to be detachably connected with the bracket body 116, so that the bracket body 116 with different types can be replaced according to different workpieces.

As shown in fig. 6, an embodiment of the present application further provides a machine tool, which at least includes a lifting platform, i.e., a Y-axis moving platform, a first horizontal moving platform 300, i.e., an X-axis moving platform, a second horizontal moving platform 400, i.e., a Z-axis moving platform, and a workpiece clamping portion 500, using the follower bracket 100 provided in the above embodiment. The first horizontal moving platform 300 is connected to the lifting moving platform and driven by the lifting moving platform to move up and down along the Y-axis direction, the second horizontal moving platform 400 is connected to the first horizontal moving platform 300 and driven by the first horizontal moving platform 300 to reciprocate along the X-axis direction, and the workpiece clamping part 500 is connected to the second horizontal moving platform 400 and can be driven by the second horizontal moving platform 400 to reciprocate along the Z-axis direction. That is, the workpiece can be driven to move along the corresponding direction by lifting the moving platform, the first horizontal moving platform 300 and the second horizontal moving platform 400. The follower bracket 100 is connected to the second horizontal moving platform 400 through the bracket mounting plate 101.

Further, the machine tool is a five-axis mechanism and further comprises at least one group of rotary platforms 200, that is, the five-axis machine tool can comprise two groups of rotary platforms 200 or one group of rotary platforms 200 plus one group of swinging driving parts. When the five-axis machine tool includes a set of rotary platforms 200, the rotary platforms 200 may be C-axis rotary platforms connected to the second horizontal moving platform 400, the rotation axes of the C-axis rotary platforms coincide with the first direction, that is, the X-axis direction (for non-national machine tools, the rotary platforms 200 are referred to as C-axis rotary platforms, for national machine tools, the rotary platforms 200 are referred to as a-axis rotary platforms), the workpiece clamping portion 500 is mounted on the output shaft of the C-axis rotary platforms, and the bracket mounting plates 101 are all fixed on the shaft seats of the C-axis rotary platforms.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A follower bracket, comprising:

The bracket body is provided with a supporting groove for supporting the workpiece;

a guide rail base provided with a sliding guide rail;

the guide rail sliding block is connected to the sliding guide rail in a sliding way, the bracket body is connected with the guide rail sliding block, and the extending direction of the supporting groove is consistent with the sliding direction of the guide rail sliding block;

The linear driving mechanism is arranged on the guide rail base and is in driving connection with the guide rail sliding block.

2. The follower bracket of claim 1, wherein the track base comprises:

The first base is provided with an installation groove, and the side wall of the installation groove is provided with a plurality of top thread holes in a penetrating way;

The second base is arranged in the mounting groove and in clearance fit with the mounting groove, mounting flanges are arranged on two sides, close to the side wall of the mounting groove, of the second base, and the guide rail sliding block is arranged on the second base;

And the adjusting jackscrew is arranged in the jackscrew hole and is abutted against the installation flange.

3. A follower bracket according to claim 1 or 2, wherein the linear drive mechanism comprises:

the screw rod motor is fixed on the guide rail base;

the first screw rod is connected with the output shaft of the screw rod motor and the guide rail sliding block.

4. A follower bracket according to claim 3, further comprising a transmission mechanism, wherein the screw motor is provided on a side of the rail base facing away from the bracket body, the transmission mechanism is provided on an end of the rail base, and the screw motor is connected to the first screw through the transmission mechanism.

5. A follower bracket according to claim 1 or 2, wherein an adjustment mechanism for adjusting the position of the bracket body is provided between the bracket body and the rail slider, the adjustment mechanism comprising:

The bracket body is connected with the first lifting plate;

the first guide shaft is connected with the guide rail sliding block and is used for sliding connection of the first jacking plate;

And the jacking cylinder is connected with the guide rail sliding block and used for driving the first jacking plate to slide along the first guide shaft.

6. The follower bracket of claim 5, wherein the adjustment mechanism comprises:

The second jacking plate is arranged between the first jacking plate and the bracket body, and the second jacking plate and the first jacking plate are arranged in parallel;

The second screw rod is connected between the first lifting plate and the second lifting plate and used for driving the second lifting plate to lift relative to the first lifting plate, and the second screw rod is provided with a screw rod handle;

The second guide shaft is fixed on the second lifting plate and extends towards the first lifting plate;

And the locking mechanism is fixed on the first lifting plate and matched with the second guide shaft, and is used for locking or unlocking the second guide shaft.

7. The follower bracket of claim 6, wherein the adjustment mechanism comprises:

The transverse adjusting seat is connected with the second lifting plate and is provided with a transverse adjusting groove;

The transverse adjusting guide rod is arranged in the transverse adjusting groove, and the bracket body sliding block is connected with the transverse adjusting guide rod;

the micrometer cylinder vertically penetrates into the transverse adjusting groove and is connected with the bracket body.

8. The follower bracket of claim 7, wherein the adjustment mechanism further comprises a lateral adjustment slider slidably coupled to the lateral adjustment guide, the dial indicator is coupled to the lateral adjustment slider, and the bracket body is removably mounted to the lateral adjustment slider.

9. A machine tool, characterized in that a follower bracket according to any one of claims 1-8 is applied, the machine tool further comprising:

lifting the mobile platform;

the first horizontal moving platform is connected with the lifting moving platform and driven by the lifting moving platform to move up and down;

The second horizontal moving platform is vertically connected with the first horizontal moving platform and driven by the first horizontal moving platform to reciprocate along a first direction;

The workpiece clamping part is used for clamping and fixing a workpiece, and the workpiece clamping part and the guide rail base are connected with the second horizontal moving platform and driven by the second horizontal moving platform to reciprocate along a second direction.

10. The machine tool according to claim 9, wherein a rotary table is further provided between the second horizontal movement table and the workpiece holding portion, and a rotation axis of the rotary table coincides with the first direction.