CN211162892U

CN211162892U - Working table

Info

Publication number: CN211162892U
Application number: CN201922015062.0U
Authority: CN
Inventors: 刘西反
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-04
Anticipated expiration: 2029-11-20

Abstract

The utility model provides a workbench, which comprises a bracket, a guide rail and a positioning mechanism. Wherein, the guide rail is arranged on the bracket. The positioning mechanism comprises a movable piece, a driving piece and a control piece. The moving part is provided with a guide rail groove, the guide rail groove and the guide rail are correspondingly arranged and are respectively matched with the guide rail so as to allow the moving part to move relative to the bracket by means of the guide rail groove. The driving member is connected with the movable member and electrically connected with the guide rail to form a driving circuit. The control piece is electrically connected with the guide rail to control the on-off of the driving circuit so as to control the movement of the moving piece. The workbench is provided with a driving circuit formed by electrically connecting a driving piece and a guide rail, and the on-off of the driving circuit is controlled by a control piece so as to control the movement of the moving piece. Because the driving piece is not required to be powered by arranging an additional wire, the wire winding condition can not occur in the moving process of the moving piece, and the moving process of the moving piece is smooth.

Description

Working table

Technical Field

The utility model relates to a material processing technology field especially relates to a workstation.

Background

With the continuous development of science and technology, the requirements of people on the living standard are continuously improved, and the requirements are reflected in various aspects in life, such as the processing (such as cutting, punching and the like) of the specified size position of a material in the house decoration process. However, the existing work bench is only a place for providing material feeding processing, and generally comprises a bracket, a movable member for carrying the material and guiding the feeding material, and a driving member for driving the movable member to move. In the workbench, the movable piece is connected with the driving piece through a wire, and the wire is easy to wind in the process that the movable piece moves relative to the bracket to limit the material feeding size, so that the use of the workbench is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a workbench to improve the above problems.

The utility model discloses a following technical scheme realizes:

an embodiment of the utility model provides a workbench, workbench include support, guide rail and positioning mechanism. Wherein, the guide rail is arranged on the bracket. The positioning mechanism comprises a movable piece, a driving piece and a control piece. The moving part is provided with a guide rail groove, and the guide rail groove is arranged corresponding to the guide rail and is matched with the guide rail so as to allow the moving part to move relative to the bracket by means of the guide rail groove. The driving member is electrically connected with the guide rail to form a driving circuit. The control piece is electrically connected with the guide rail to control the on-off of the driving circuit so as to control the movement of the moving piece.

In some embodiments, the rail is a rail made of an electrically conductive material, the rail being electrically connected with the driver to form a driving circuit.

In some embodiments, the workbench further comprises a tape measure, the tape measure comprises a housing, a measuring tape and a pointer, the pointer is connected with the housing, the housing is fixed on the support, and the free end of the measuring tape is connected with the movable member.

In some embodiments, the bracket is provided with a receiving groove, and the guide rail is fixedly received in the receiving groove.

In some embodiments, the workbench further comprises a stopper connected to the movable member and selectively clamping the guide rail.

In some embodiments, the limiting member includes a first limiting portion, a second limiting portion, an electromagnet, and a magnetic conductive member, the first limiting portion and the second limiting portion are rotatably connected, the electromagnet is disposed on the first limiting portion, and the magnetic conductive member is disposed on the second limiting portion; the electromagnet is electrically connected with the control part, and the electromagnet can selectively adsorb the magnetic conduction part under the control of the control part.

In some embodiments, the movable member includes a movable portion and a connecting portion, the guide rail groove is disposed in the connecting portion so that the connecting portion is connected to the guide rail through the guide rail groove, and the movable portion is connected to a side of the connecting portion away from the guide rail; the movable part is provided with an installation through hole opposite to the guide rail, and the limiting part is arranged in the installation through hole in a penetrating mode.

In some embodiments, the mounting through holes are multiple, and the multiple mounting through holes are arranged at intervals; the locating parts are multiple, and a plurality of installing through holes are penetrated through by the locating parts in a one-to-one correspondence mode.

In some embodiments, the workbench further comprises a transformer electrically connected with the driving circuit, the transformer being adapted to be electrically connected with an external power source for powering the driving circuit.

In some embodiments, the workbench further comprises two connecting pieces, the connecting pieces are arranged between the two brackets, and the two brackets can rotate relatively to be folded or unfolded; when the two brackets are in the unfolding state, the guide rails corresponding to the two brackets are connected.

The embodiment of the utility model provides a workstation has and is connected in order to form drive circuit by driving piece and guide rail electricity to break-make through control drive circuit, with the motion of control moving part. Because the driving piece is not required to be supplied with power through an additional wire, the wire winding condition can not occur in the moving process of the moving piece, and the moving process of the moving piece is smooth. Meanwhile, the accommodating of the lead is not considered, so that the workbench is convenient to move and carry.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a workbench according to an embodiment of the present invention.

Fig. 2 is a schematic partial cross-sectional view of the table of fig. 1.

FIG. 3 is a perspective view of the movable member of the work table of FIG. 1.

FIG. 4 is a schematic diagram of the connection of the driving circuit of the stage shown in FIG. 1.

Fig. 5 is a perspective view of a limiting member of the workbench shown in fig. 1.

Fig. 6 is a perspective view illustrating another state of the position limiting member of the worktable of fig. 1.

Fig. 7 is a perspective view of another embodiment of the table shown in fig. 1.

Fig. 8 is an enlarged schematic view of a region VIII of fig. 7.

Detailed Description

In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. The specification and claims do not intend to distinguish between components that differ in name but not function.

In the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise explicitly stated or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through the inside of two elements, or they may be connected only through surface contact or through surface contact of an intermediate member. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Furthermore, the terms "first," "second," and the like are used merely for distinguishing between descriptions and not intended to imply or imply a particular structure.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, the present embodiment provides a workbench 100, and the workbench 100 includes a support 110, a guide rail 130, and a positioning mechanism 150. The guide rail 130 is connected to the bracket 110, and the positioning mechanism 150 is connected to the guide rail 130 and can move relative to the guide rail 130. In practice, the material may be processed on the rack 110 while, for example, the material is being fed, so that the positioning mechanism 150 is pushed to move relative to the guide rail 130 to limit the length of the material entering the rack 110.

In the present embodiment, the support 110 is an elongated support, which may be a plastic frame or a frame made of other insulating materials. The bracket 110 is further provided with a plurality of rollers 111 at intervals, and in the material feeding process, the plurality of rollers 111 rotate so as to facilitate the transportation of the material.

In the present embodiment, the guide rail 130 is provided to the bracket 110. Alternatively, the guide rail 130 may be a cylinder or a polygonal column, which is disposed along the length direction of the bracket 110.

Referring to fig. 2, in the present embodiment, the bracket 110 is provided with an accommodating groove 113, the accommodating groove 113 is provided in the bracket 110, and the guide rail 130 is fixedly accommodated in the accommodating groove 113. Optionally, there are two receiving grooves 113, the two receiving grooves 113 are respectively disposed on two sides of the bracket 110, there are two guide rails 130, and the two guide rails 130 and the two receiving grooves 113 are disposed in one-to-one correspondence.

In the embodiment, since the guide rail 130 needs to be electrically conductive, the bracket 110 is made of an insulating material, and the guide rail 130 is accommodated in the accommodating groove 113, so that a user can be prevented from touching the guide rail 130 by mistake to cause electric shock, and the safety of the workbench 100 is improved. Alternatively, the guide rail 130 may be made of a conductive material to conduct electricity by its own characteristics.

In one embodiment, the bracket 110 further includes a release preventing member (not shown), which is substantially elongated and is disposed between the guide rail 130 and the roller 111 to block the material when the material is fed along the bracket 110, thereby preventing the material from being released from the edge of the bracket 110. Optionally, the anti-falling member is made of an insulating material to form an isolation between the guide rail 130 and the material, so as to prevent the material from being affected when the guide rail 130 is electrified.

Referring to fig. 1 again, the positioning mechanism 150 includes a movable element 151, a driving element 153, and a control element 155. The movable member 151 is connected to the guide rail 130 and is movable along the guide rail 130. The driving element 153 is connected to the movable element 151 and drives the movable element 151 to move under the control of the control element 155.

In this embodiment, as shown in fig. 2, the movable member 151 is provided with a rail groove 1511, and the rail groove 1511 is disposed corresponding to the rail 130 and cooperates with the rail 130 to allow the movable member 151 to move relative to the bracket 110 via the rail groove 1511.

Further, referring to fig. 3, the movable element 151 includes a movable portion 1513 and a connection portion 1515, the connection portion 1515 is correspondingly connected to the guide rail 130, and the movable portion 1513 is connected to a side of the connection portion 1515 away from the guide rail 130. In the present embodiment, the movable portion 1513 is substantially plate-shaped, the connection portion 1515 is substantially block-shaped, and the connection portion 1515 is provided with a rail groove 1511. The connection portion 1515 is correspondingly engaged with the guide rail 130 through the guide rail groove 1511 thereon, and the connection portion 1515 drives the movable portion 1513 to move relative to the guide rail 130 when moving relative to the guide rail 130. Optionally, when the guide rail 130 is correspondingly accommodated in the accommodating groove 113, the connecting portion 1515 may also be accommodated in the accommodating groove 113 and move in the accommodating groove 113 relative to the guide rail 130.

The movable part 1513 is used for limiting the material, that is, the material can abut against the movable part 1513 in the material feeding process. In the embodiment of the present application, the movable portion 1513 is further provided with a pulley 157 connected to the bracket 110, and the pulley 157 is spaced apart from the connecting portion 1515. Specifically, when the movable portion 1513 moves relative to the guide rail 130 through the connection portion 1515, the pulley 157 connected to the bracket 110 also rotates in the moving direction of the movable portion 1513 to improve the moving fluency of the movable portion 1513 relative to the bracket 110.

In some embodiments, the connection part 1515 is plural. For example, there may be two connecting portions 1515, two connecting portions 1515 are disposed corresponding to the guide rail 130, and the two connecting portions 1515 are disposed on the same side of the movable portion 1513 at intervals.

Referring to fig. 4, the driving member 153 is electrically connected to the rail 130 to form the driving circuit 101, and is electrically connected to the driving circuit 101 through an external power source to provide the required electric power for driving the driving member 153. By arranging the driving circuit 101, the guide rail 130 can be used to replace a wire, and the wire is not wound in the moving process of the movable element 151, so that the moving process of the movable element 151 is smooth.

In one embodiment, the rail 130 is made of conductive material, and the rail 130 is electrically connected to the external power source and forms a complete power supply circuit with the driving member 153, so that the external power source can supply power to the driving member 153.

Referring to fig. 1 again, in the present embodiment, there are two guide rails 130, the two guide rails 130 are disposed at two opposite sides of the bracket 110 at intervals, and the positive and negative poles of the external power source are electrically connected to the two guide rails 130 respectively, so as to form a complete power supply loop with the driving member 153. It can be appreciated that the use of the guide 130 for conducting electricity can utilize existing components to supply electricity to the driving member 153 while saving wires, thereby simplifying the structure of the workbench 100. Alternatively, the driving member 153 may be a motor, the motor is connected to the pulley 157, and when the driving member 153 is powered on, the pulley 157 is driven to rotate, so that the movable member 151 moves relative to the guide rail 130.

In some embodiments, the working platform 100 further comprises a transformer 160, the transformer 160 is electrically connected to the driving circuit 101, and the transformer 160 is used for electrically connecting to an external power source and supplying power to the driving circuit 101. The transformer 160 is a low voltage transformer, and is used for converting external 220V alternating current into 12V, 24V, 36V, 48V and other low voltages to supply power to the driving member 153, and meanwhile, the driving circuit 101 uses the low voltage to avoid electric shock of a user, so that the safety of the workbench 100 in the using process is improved.

Referring to fig. 1 again, the control element 155 is electrically connected to the guide rail 130 to control the on/off of the driving circuit 101, so as to control the movement of the movable element 151. For example, the control member 155 controls the moving direction and the moving speed of the movable member 151 by controlling the driving member 153. Alternatively, the control member 155 is a control handle, the driving member 153 is a motor, and the control member 155 and the driving member 153 may be electrically connected through the guide rail 130. In the actual use process, the current of the driving circuit 101 is changed by toggling the control handle or the key of the control handle to change the rotation direction and the rotation speed of the motor, so as to control the movement direction and the movement speed of the movable element 151, and the movement of the movable element 151 relative to the guide rail 130 meets the actual use requirement.

Referring to fig. 3 again, the working table 100 further includes a stopper 190, and the stopper 190 is connected to the movable member 151 and selectively clamps the guide rail 130. The position limiter 190 is electrically connected to the control element 155 to control the position limiter 190 to clamp the guide rail 130, so as to limit the position of the movable element 151 relative to the guide rail 130.

Further, the movable portion 1513 is provided with a mounting through-hole 1501, and the mounting through-hole 1501 penetrates the movable portion 1513 and is disposed substantially opposite to the guide rail 130. The position limiting member 190 is connected to the movable portion 1513 and penetrates through the installation through hole 1501, so as to selectively clamp the guide rail 130, thereby limiting the position of the movable member 151.

Optionally, the movable element 151 may be provided with a plurality of installation through holes 1501 communicated with the guide rail groove 1511, the installation through holes 1501 are arranged at intervals, the position limiting members 190 are multiple, and the position limiting members 190 penetrate through the installation through holes 1501 in a one-to-one correspondence manner, so that the position limiting of the movable element 151 is more reliable. The embodiment of the present invention provides an installation through hole 1501 and connecting portion 1515 looks interval to the locating part 190 can be clamped to the guide rail 130 after penetrating through the installation through hole 1501. For example, when the two connection portions 1515 are connected to the same side of the movable portion 1513 at intervals, the mounting through hole 1501 is opened between the two connection portions 217.

Specifically, in the present embodiment, referring to fig. 5, the position-limiting member 190 includes a first position-limiting portion 191, a second position-limiting portion 193, an electromagnet 195 and a magnetic conducting member 197, the first position-limiting portion 191 and the second position-limiting portion 193 are rotatably connected, the electromagnet 195 is connected with the first position-limiting portion 191, and the magnetic conducting member 197 is connected with the second position-limiting portion 193. In the present embodiment, the first position-limiting portion 191 and the second position-limiting portion 193 are both substantially rod-shaped, and a substantially middle portion of the first position-limiting portion 191 is rotatably connected to a substantially middle portion of the second position-limiting portion 193, and a pivot (not shown) may pass between the two.

Optionally, the first limiting portion 191 forms a first mounting end 1911 and a first clamping end 1913 on two sides of the pivot respectively, the second limiting portion 193 forms a second mounting end 1931 and a second clamping end 1933 on two sides of the pivot respectively, the first mounting end 1911 is opposite to the second mounting end 1931, and the first clamping end 1913 is opposite to the second clamping end 1933. The first clamping end 1913 is an end of the first limiting portion 191 close to the guide rail 130, the first mounting end 1911 is an end of the first limiting portion 191 far from the guide rail 130, and the first clamping end 1913 is used for mounting the electromagnet 195. The second clamping end 1933 is the one end that the spacing portion 193 of second is close to the guide rail 130, and the end 1931 is installed for the one end that the spacing portion 193 of second is kept away from the guide rail 130 to the second, and second clamping end 1933 is used for installing magnetic conduction piece 197. The magnetic conductive member 197 may be an iron material (such as an iron block or an iron sheet), or may be a magnet or an electromagnet. In this embodiment, the electromagnet 195 and the magnetic conductive member 197 are separated into an initial state of the first limiting portion 191 and the second limiting portion 193, and in the initial state, the first mounting end 1911 and the second mounting end 1931 are both separated from the guide rail 130, so that the movable member 151 can move relative to the guide rail 130.

Further, referring to fig. 6, the electromagnet 195 is electrically connected to the control member 155, and the electromagnet 195 selectively adsorbs the magnetic conductive member 197 under the control of the control member 155. Specifically, the electromagnet 195 is electrically connected to the driving circuit 101, and after the driving circuit 1051 is controlled by the control unit 155 to energize the electromagnet 195 to attract the magnetic conductive member 197, the first clamping end 1913 and the second clamping end 1933 jointly clamp the guide rail 130 to define the position of the movable member 151 relative to the guide rail 130 and prevent the movable member 151 from displacing on the guide rail.

Optionally, the first clamping end 1913 and the second clamping end 1933 are provided with a notch adapted to the cross section of the guide rail 130, that is, the portions of the first limiting portion 191 and the second limiting portion 193 close to the guide rail 130 are provided with notches adapted to the cross section of the guide rail 130, for example, when the guide rail 130 is a cylinder, the notches provided by the first limiting portion 191 and the second limiting portion 193 are substantially circular arc, and when the first clamping end 1913 and the second clamping end 1933 are in the clamping state, the first clamping end 1913 and the second clamping end 1933 jointly form a notch for clamping the cylinder.

In some embodiments, the control element 155 controls the moving speed and the moving direction of the movable element 151 through the driving element 153, when the movable element 151 moves to a suitable position relative to the guide rail, the driving element 153 stops working, the control element 155 controls the electromagnet 195 to be energized to attract the magnetic conduction element 197, and at this time, the first limiting portion 191 and the second limiting portion 193 clamp the guide rail to limit the position of the movable element 151 relative to the guide rail 130 and prevent the movable element 151 from displacing on the guide rail 130, so as to avoid an operation error (such as a cutting length error) on the material. For example, the control member 155 is a control handle that can be toggled back and forth, left and right, wherein the electromagnet 195 is separated from the magnetic conductive member 197 and the driving member 153 is in a stopped state when the control handle is at the initial position (or the central position). Further, the control handle is shifted forwards and backwards to control the electromagnet 195 to be electrified to adsorb the magnetic conduction piece 197, and the control handle rotates left and right to control the motion direction of the movable piece 151. Optionally, a speed-adjusting button for adjusting the movement speed of the movable element 151 is further disposed on the control handle, and the movement speed of the movable element 151 can be controlled by the speed-adjusting button. The front, back, left, and right are illustrative of the dial direction of the control handle with respect to the initial position, and are not particularly limited.

Referring again to fig. 1, the workbench 100 further includes a tape 120, the tape 120 includes a housing 121, a tape 123 and a pointer (not shown), the pointer is connected to the housing 121, the housing 121 is fixed to one end of the bracket 110, and a free end of the tape 123 is connected to the movable member 151. Specifically, the ruler strip 123 is elongated along with the movement of the movable element 151 relative to the guide rail 130, and the pointer connected to the housing 121 can mark the scale on the ruler strip 123, so as to obtain the feeding size of the material on the bracket 110 (i.e. the size of the material fed, the moving stroke of the movable element 151), so as to facilitate the processing of the material, such as cutting, punching, and the like. In the embodiment of the present application, one side of the ruler strip 123 provided with the scales is away from the bracket 110, and meanwhile, the pointer connected to the housing 121 can mark the scales on the ruler strip 123, so as to read the measurement values of the ruler strip 123.

In some embodiments, a handling frame (not shown) may be disposed at one end of the support 110, and the handling frame is used for placing devices for performing operations, such as a cutting machine. Further, the connecting position of the operation frame and the bracket 110 is adjustable, and the relative position of the operation frame and the bracket 110 can be adjusted according to the actual use requirement, so that the operation frame can adapt to different operation tools. Alternatively, the height of the support 110 may be adjusted to make the feeding plane of the support 110 and the operation plane of the operation tool be in the same plane, so that the operation tool can operate, such as cutting, on the material fed from the support 110.

In the actual use process, the control element 155 can control the movable element 151 to reach a preset position, so as to feed the material from the bracket 110, and the material is fed through the roller 111. Wherein the preset position is determined by the length dimension of the material to be cut, which can be read by the blade 123. Further, the material is cut by a cutting machine arranged on the operation frame to obtain the material with the proper length and size. In some embodiments, when the operating device on which the operation frame is placed is a punching machine, the punching machine can punch holes at preset length positions of the materials.

Referring to fig. 7, in some embodiments, the workbench 100 further includes two connecting members 140, the number of the brackets 110 is two, the connecting members 140 are connected between the two brackets 110, and the two brackets 110 can be rotated to be folded or unfolded relatively. When the two brackets 110 are in the unfolded state, the guide rails 130 corresponding to the two brackets 110 are connected. Alternatively, the connecting member 140 may be a hinge structure, the two brackets 110 are connected by a hinge, and the two brackets 110 may be turned over by the hinge structure so as to be turned over until the two brackets 110 are folded or unfolded. The two supports 110 are turned to the folded state, which means that the two supports 110 are substantially overlapped to reduce the floor area of the workbench 100. The two supports 110 are turned to the unfolded state, which means that the two supports 110 are located on the same plane, so as to facilitate the feeding of the materials. Optionally, the hinge connected between the two brackets 110 has a positioning structure, and when one bracket 110 is turned over relative to the other bracket 110, the two brackets 110 can be maintained in the unfolded state or other connection state through the positioning structure, so that the feeding of the materials is facilitated. It should be noted that, in the embodiment of the present application, the feeding of the material refers to the portion of the material carried by the bracket 110.

In some embodiments, the connecting member 140 may be a pivot structure, and the two brackets 110 can be turned around the pivot structure and can be turned to be folded or unfolded relatively, so as to shorten the length of the workbench 100 for carrying or transportation.

Further, referring to fig. 8, the two brackets 110 are turned to the unfolded state, and the two guide rails 130 are connected. Specifically, one of the guide rails 130 is provided with a matching protrusion 131, the other guide rail 130 is provided with a matching groove 133, and the matching protrusion 131 is received in the matching groove 133 when the two guide rails 130 are connected. As shown, the fitting protrusion 131 is substantially a convex curved surface, the fitting groove 133 is also substantially a concave curved surface, and the convex curved surface of the fitting protrusion 131 is fitted with the concave curved surface of the fitting groove 133 so that the two guide rails 130 can form a continuous track. Alternatively, the fitting protrusion 131 may be a columnar protrusion or the like, and the fitting recess 133 is a columnar recess that fits with the fitting protrusion 131.

The working table 100 of the embodiment of the present invention has a driving circuit 101 formed by the driving member 153 electrically connected to the guide rail 130, and controls the on/off of the driving circuit 101 through the control member 155 to control the movement of the movable member 151. Because the driving member 153 does not need to be powered by an additional wire, the wire is not wound during the moving process of the moving member 151, so that the moving process of the moving member 151 is smooth. Meanwhile, the accommodation of the wires is not considered, and the workbench 100 is convenient to move and carry.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Claims

1. A table, characterized in that the table comprises:

a support;

the guide rail is arranged on the bracket; and

a positioning mechanism comprising:

the movable piece is provided with a guide rail groove, the guide rail groove is arranged corresponding to the guide rail and is matched with the guide rail so as to allow the movable piece to move relative to the bracket by means of the guide rail groove;

a driving member electrically connected with the guide rail to form a driving circuit; and

and the control piece is electrically connected with the guide rail so as to control the on-off of the driving circuit and further control the movement of the movable piece.

2. The table of claim 1, wherein the rail is a rail made of an electrically conductive material, the rail being electrically connected to the driving member to form the driving circuit.

3. The table of claim 1, further comprising a tape measure, the tape measure comprising a housing, a blade, and a pointer, the pointer being connected to the housing, the housing being secured to the bracket, and a free end of the blade being connected to the movable member.

4. The table of claim 1, wherein the bracket defines a receiving slot, and the rail is fixedly received in the receiving slot.

5. The table of claim 1, further comprising a retaining member coupled to the movable member and selectively retaining the rail.

6. The workbench according to claim 5, wherein the position-limiting member comprises a first position-limiting portion, a second position-limiting portion, an electromagnet and a magnetic conducting member, wherein the first position-limiting portion and the second position-limiting portion are rotatably connected, the electromagnet is disposed at the first position-limiting portion, and the magnetic conducting member is disposed at the second position-limiting portion; the electromagnet is electrically connected with the control part, and the electromagnet can selectively adsorb the magnetic conduction part under the control of the control part.

7. The workbench according to claim 5, wherein said movable member comprises a movable portion and a connecting portion, said rail groove is provided in said connecting portion such that said connecting portion is connected to said rail through said rail groove, said movable portion is connected to a side of said connecting portion away from said rail; the movable part is provided with an installation through hole opposite to the guide rail, and the limiting part is arranged in the installation through hole in a penetrating mode.

8. The workbench according to claim 7, wherein said mounting through-holes are plural, and plural said mounting through-holes are provided at intervals; the limiting parts are multiple, and the limiting parts penetrate through the installation through holes in a one-to-one correspondence mode.

9. The table of claim 1, further comprising a transformer electrically coupled to the drive circuit, the transformer for electrically coupling to an external power source to power the drive circuit.

10. The workbench according to any one of claims 1 to 9, further comprising two connecting members, wherein the two supports are arranged between the two supports, and the two supports can be relatively rotated to be folded or unfolded; when the two brackets are in the unfolding state, the guide rails corresponding to the two brackets are connected.