Adjustable workbench

Abstract

The utility model relates to the technical field of workbenches, in particular to an adjustable workbench which comprises a platen assembly used for operation, a clamping assembly arranged on the surface, close to the bottom, of the platen assembly and a supporting assembly arranged below the platen assembly, and the platen assembly comprises a U-shaped plate and an illuminating lamp arranged on the top of the U-shaped plate. The clamping assembly comprises a rotating motor and symmetrical V-shaped hands in linkage fit with an output shaft of the rotating motor, the supporting assembly comprises a bottom plate and outer columns symmetrically arranged on the bottom plate, inner columns are arranged in the outer columns, and nuts and threaded rings are arranged at the joints of the outer columns and the inner columns; the height of the whole workbench is adjusted by arranging the supporting assembly, the hydraulic cylinder is started to drive the height of the U-shaped plate to rise and fall, the outer columns and the inner columns are symmetrically arranged between the U-shaped plate and the bottom plate so that the overall structural stability can be conveniently improved, and the nuts are in threaded connection with the threaded rings so that the inner columns can be conveniently moved to the designated positions in the outer columns to be fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of workbenches, in particular to an adjustable workbench. Background Technique

[0002] In the modern manufacturing production mode, the adjustable workbench is gradually changing towards multi-variety and small-batch production. The diversity and complexity of products require the workbench to be quickly adjusted to adapt to the processing conditions of different products;

[0003] The utility model with the publication number of CN208231731U discloses an adjustable bench vice workbench, including a tabletop. A fixed adjustment device is installed inside the tabletop, and one side of the tabletop is movably connected to a baffle. The upper part of the tabletop is fixedly connected to a support frame, and a lighting lamp is installed inside the support frame. A protective net is installed on one side of the support frame. One side inside the tabletop is connected to a scale, and the right side below the tabletop is movably connected to a storage box. One side below the tabletop is fixedly connected to a support, and one side of the support is connected to a driving motor. The fixed adjustment device includes a heat insulation plate. A spring is installed inside the heat insulation plate, and one side of the heat insulation plate is connected to a rubber pad. A roller is installed on one side of the rubber pad;

[0004] In the above technical solution, through the tabletop fixed adjustment device and the setting of the lighting lamp and the scale, it is beneficial to be simple and practical in structure, convenient for measurement, effectively prevent parts from sliding during work, and improve work efficiency. However, the workbench is inconvenient to adjust the height according to the heights of different workers, and the spring in the tabletop fixed adjustment device is easy to loosen and weaken the fixing effect. It is inconvenient to replace after loosening. The position of the lighting lamp is fixed and cannot adjust the direction, and it is easy to block the light source of the processing element by the position of the hand during work, thereby affecting the processing effect. Content of the Utility Model

[0005] The purpose of the utility model is to provide an adjustable workbench to solve the problems raised in the above background technique that the workbench is inconvenient to adjust the height according to the heights of different workers, the spring in the tabletop fixed adjustment device is easy to loosen and weaken the fixing effect, it is inconvenient to replace after loosening, the position of the lighting lamp is fixed and cannot adjust the direction, and it is easy to block the light source of the processing element by the position of the hand during work, thereby affecting the processing effect.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] An adjustable workbench comprises a table assembly for operation and a clamping assembly provided near the bottom surface of the table assembly, and a supporting assembly provided below the table assembly, wherein the table assembly comprises a U-shaped plate and a lighting lamp provided on the top of the U-shaped plate, and a perspective window provided in the middle of the U-shaped plate, the clamping assembly comprises a rotating motor and a V-shaped hand symmetrically coordinated with the output shaft of the rotating motor, a first clamp handle is provided at the middle turning point of the V-shaped hand, a second clamp handle is provided at the end of the V-shaped hand, and a half gear is provided at the end of the second clamp handle, the supporting assembly comprises a bottom plate and outer columns symmetrically provided on the bottom plate, an inner column is provided inside the outer column, and a nut and a threaded ring are provided at the connection between the outer column and the inner column, the outer ends of the inner column and the outer column are provided with fixing blocks, a hydraulic cylinder and a base at the bottom of the hydraulic cylinder are provided in the middle of the two outer columns, and a rectangular block is provided in the middle of the bottom of the U-shaped plate.

[0008] Preferably, the lighting lamp comprises a U-shaped seat and a lamp body rotatably connected to the U-shaped seat, the top of the U-shaped seat is fixedly connected to the U-shaped plate by screws, and the perspective window is bonded and fixed to the corresponding middle of the U-shaped plate.

[0009] In the utility model, the screw fixing connection increases the overall structural stability of the U-shaped seat and the U-shaped plate, the rotating connection realizes the angle adjustment of the lamp body on the U-shaped seat, which helps the user to quickly adjust according to different processing positions, and the bonding fixation increases the overall structural strength of the top of the U-shaped seat and the lamp body. Two lamps are installed on the top of the U-shaped plate. The left lamp can be swung left and right to adjust the position, and the right lamp can be adjusted front and back.

[0010] Preferably, the two half gears are meshed with each other, the output shaft of the rotating motor is coaxially connected to the circular axis of one of the half gears, the half gear is welded and fixed to the right end of the second clamp handle, and an L-shaped plate is provided at the bottom of the half gear.

[0011] The L-shaped plate is fixed with the U-shaped plate at the bottom, and the L-shaped plate is fixed with the U-shaped plate at the bottom, so that the whole clamping assembly can be disassembled and repaired conveniently. The coaxial connection realizes that the rotating motor drives the second clamping handle on one side to rotate. A circular shaft is provided in the middle of the half gears that mesh with each other, and the middle of the second clamping handle is welded and fixed with the circular shaft. The welding fixation increases the stability of the overall structure. The two half gears mesh with each other and respectively drive the second clamping handles connected thereto to rotate and cooperate. A first bearing is provided at the corresponding positions of the L-shaped plate and the bottom of the circular shaft. The circular shaft is rotatably connected to the L-shaped plate through the first bearing. The inner ring of the first bearing is bonded and fixed to the circular shaft, and the outer ring of the first bearing is bonded and fixed to the L-shaped plate. The rotatable connection realizes that the rotating motor drives the half gear to rotate smoothly on the L-shaped plate. The bonding fixation increases the structural tightness of the inner ring of the first bearing and the circular shaft, and flexible rotation cooperation between the circular shaft and the L-shaped plate is realized with the cooperation of the first bearing.

[0012] Preferably, one end of the second pliers handle is rotatably connected to the V-shaped hand through a pin shaft, one end of each of the two first pliers handles is rotatably connected to the middle inflection point of the V-shaped hand through a pin shaft, and the other end of each of the two first pliers handles is rotatably connected to the L-shaped plate through a pin shaft.

[0013] In the present utility model, a pin shaft is provided to realize the coaxial connection between the second pliers handle and the end of the V-shaped hand. The rotational connection helps to realize the flexible rotational cooperation between the second pliers handle and the V-shaped hand. The pin shaft is provided to facilitate the disassembly and maintenance of the connection part between the first pliers handle and the middle inflection point of the V-shaped hand. The rotational connection helps to realize the flexible rotational cooperation between the first pliers handle and the middle inflection point of the V-shaped hand. A pin shaft is provided to realize the coaxial connection between the right end of the first pliers handle and the corresponding part at the bottom of the L-shaped plate. The rotational connection helps to realize the flexible rotational cooperation between the first pliers handle and the corresponding part at the bottom of the L-shaped plate. Second bearings are provided at the corresponding parts of the L-shaped plate and the bottoms of the symmetrically arranged pin shafts. Both pin shafts are rotatably connected to the second bearings on the L-shaped plate. The provision of the second bearings helps the pin shafts to rotate smoothly. The adhesive fixation increases the structural tightness between the inner ring of the second bearing and the pin shaft. With the cooperation of the second bearings, the flexible rotational cooperation between the pin shaft and the corresponding part at the bottom of the L-shaped plate is realized. The rotary motor is adhesively fixed to the L-shaped plate. The adhesive fixation increases the overall structural stability of the rotary motor and the L-shaped plate. The rotation of the first pliers handle and the second pliers handle drives the V-shaped hand to clamp accessories of different sizes.

[0014] Preferably, grooves are equidistantly formed on the surface of the nut. The inner diameter of the nut is adapted to the outer diameter of the thread ring. The fixing block is welded and fixed to the outer ends of the inner column and the outer column.

[0015] In the present utility model, the outer diameter of the inner column is adapted to the inner diameter of the outer column. The bottom plate is fixedly connected to the screw hole on the fixing block through screws. The adaptation of the outer diameter to the inner diameter facilitates the reciprocating movement of the inner column inside the outer column. The nut is threadedly connected to the thread ring. The threaded connection facilitates the fixation of the inner column at a specified position inside the outer column after movement. The formation of equidistant grooves helps to evenly increase the friction force, realizing the labor-saving operation cooperation for the user to rotate the nut. The adhesive fixation between the inner ring of the thread ring and the outer ring of the outer column increases the overall structural stability. The welding fixation increases the overall structural strength of the fixing block, the inner column and the outer column. The screw fixed connection increases the overall structural strength of the fixing block and the bottom plate, and at the same time realizes the quick fixation and disassembly of the inner column and the outer column with the bottom of the U-shaped plate and the bottom plate respectively.

[0016] Preferably, both ends of the bottom of the hydraulic cylinder respectively pass through the side wall of the base and are threadedly connected to bolts. The top of the hydraulic cylinder is welded and fixed to one side of the rectangular block.

[0017] In the present utility model, a base is provided to help provide stable support for the hydraulic cylinder. The base is fixedly welded to the bottom plate, and the welded fixation increases the structural stability of the bottom of the hydraulic cylinder. The two ends of the bottom of the hydraulic cylinder are threadedly connected to bolts, which facilitates the quick disassembly and maintenance of the bottom of the hydraulic cylinder. The top of the rectangular block is fixedly welded to the U-shaped plate, and the welded fixation increases the overall structural strength. The top of the hydraulic cylinder is fixedly welded to the rectangular block to start the hydraulic cylinder to drive the U-shaped plate connected to the rectangular block to change its position. Rotate the nut away from the thread ring, start the hydraulic cylinder, and the elongation or shortening of the top of the hydraulic cylinder drives the height of the U-shaped plate to rise or fall. After the U-shaped plate is lifted or lowered to the specified position, the inner column is driven by the rising U-shaped plate to change its position. After reaching the specified position, close the hydraulic cylinder and at the same time rotate the nut to closely fit with the thread ring.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] 1. In the present utility model, by setting a support component to adjust the height of the entire workbench, starting the hydraulic cylinder to drive the height of the U-shaped plate to rise and fall, symmetrically arranging an outer column and an inner column between the U-shaped plate and the bottom plate helps to increase the overall structural stability. The threaded connection between the nut and the thread ring facilitates fixing the inner column at a specified position after moving it inside the outer column. The evenly spaced grooves are helpful for uniformly increasing the friction force, realizing the labor-saving operation cooperation for the user to rotate the nut;

[0020] 2. In the present utility model, by setting a clamping component to clamp the processing element, the rotating motor drives two half-gears to rotate, and the two half-gears respectively drive the first clamping handle and the second clamping handle connected to them to rotate. The rotation of the first clamping handle and the second clamping handle enables the V-shaped hand to clamp accessories of different sizes. A lighting lamp is provided to adjust the lighting angle according to the processing elements at different positions. With the cooperation of the U-shaped seat and the lamp body, the left and right lighting lamps can adjust the angles in the left-right and front-back directions, and the user can quickly adjust the direction according to the positions of different processing elements. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the front view of the workbench of the present utility model;

[0022] Figure 2 is the schematic diagram of the height-increasing structure of the workbench of the present utility model;

[0023] Figure 3 is the schematic diagram of the overall structure of the workbench of the present utility model;

[0024] Figure 4 is the schematic diagram of the lighting lamp structure of the present utility model;

[0025] Figure 5 is the schematic diagram of the inner column and outer column structure of the present utility model.

[0026] The meanings of the various reference numerals in the figures are as follows:

[0027] 1. Table assembly; 10. U-shaped plate; 100. Perspective window; 11. Illuminating lamp; 110. U-shaped seat; 111. Lamp body;

[0028] 2. Clamping assembly; 20. V-shaped hand; 200. First clamp handle; 201. Second clamp handle; 21. Half gear; 22. Rotating motor; 23. L-shaped plate;

[0029] 3. Support assembly; 30. Base plate; 31. Fixing block; 310. Screw hole; 32. Inner column; 320. Nut; 321. Threaded ring; 33. Outer column; 34. Hydraulic cylinder; 340. Bolt; 341. Base; 35. Rectangular block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figures 1-5 , this embodiment provides a technical solution:

[0032] An adjustable workbench includes a table assembly 1 for working and a clamping assembly 2 provided near the bottom surface of the table assembly 1, and a supporting assembly 3 provided below the table assembly 1. The clamping assembly 2 includes a rotating motor 22 and a V-shaped hand 20 symmetrically linked with the output shaft of the rotating motor 22. A first clamp handle 200 is provided at the middle turning point of the V-shaped hand 20, a second clamp handle 201 is provided at the end of the V-shaped hand 20, and a half gear 21 is provided at the end of the second clamp handle 201. The two half gears 21 are meshed with each other, the output shaft of the rotating motor 22 is coaxially connected to one of the half gears 21, the half gear 21 is welded and fixed to the right end of the second clamp handle 201, and an L-shaped plate 23 is provided at the bottom of the half gear 21.

[0033] In the present utility model, welding and fixing increases the structural strength of the half gear 21 and the second pliers handle 201. The L-shaped plate 23 is provided to stably support the clamping assembly 2. The L-shaped plate 23 is fixedly connected to the bottom of the U-shaped plate 10 by screws. The screw fixed connection facilitates the disassembly and maintenance of the entire clamping assembly 2. Coaxial connection enables the rotating motor 22 to drive one side of the second pliers handle 201 to rotate. A round shaft is provided in the middle of each of the mutually meshing half gears 21. The middle of the second pliers handle 201 is welded and fixed to the round shaft. The welding and fixing increases the overall structural stability. The two half gears 21 mesh with each other and respectively drive the second pliers handle 201 connected thereto to rotate and cooperate. First bearings are provided at the corresponding positions of the L-shaped plate 23 and the bottom of the round shaft. The round shaft is rotationally connected to the L-shaped plate 23 through the first bearing. The inner ring of the first bearing is adhesively fixed to the round shaft, and the outer ring of the first bearing is adhesively fixed to the L-shaped plate 23. The rotational connection enables the rotating motor 22 to drive the half gear 21 to rotate smoothly on the L-shaped plate 23. The adhesive fixing increases the structural tightness between the inner ring of the first bearing and the round shaft. With the cooperation of the first bearing, flexible rotational cooperation between the round shaft and the L-shaped plate 23 is achieved.

[0034] One end of the second pliers handle 201 is rotationally connected to the V-shaped handle 20 through a pin shaft. One end of each of the two first pliers handles 200 is rotationally connected to the middle inflection point of the V-shaped handle 20 through a pin shaft. The other ends of the two first pliers handles 200 are both rotationally connected to the L-shaped plate 23 through a pin shaft.

[0035] In the present utility model, a pin shaft is provided to achieve coaxial connection between the second pliers handle 201 and the end of the V-shaped handle 20. The rotational connection helps to achieve flexible rotational cooperation between the second pliers handle 201 and the V-shaped handle 20. The pin shaft is provided to facilitate the disassembly and maintenance of the connection part at the middle inflection point between the first pliers handle 200 and the V-shaped handle 20. The rotational connection helps to achieve flexible rotational cooperation at the middle inflection point between the first pliers handle 200 and the V-shaped handle 20. A pin shaft is provided to achieve coaxial connection between the right end of the first pliers handle 200 and the corresponding position at the bottom of the L-shaped plate 23. The rotational connection helps to achieve flexible rotational cooperation between the first pliers handle 200 and the corresponding position at the bottom of the L-shaped plate 23. Second bearings are provided at the corresponding positions of the L-shaped plate 23 and the bottom of the symmetrically arranged pin shafts. The two pin shafts are rotationally connected to the second bearings on the L-shaped plate 23. The provision of the second bearings helps the pin shafts to rotate smoothly. The adhesive fixing increases the structural tightness between the inner ring of the second bearing and the pin shaft. With the cooperation of the second bearing, flexible rotational cooperation between the pin shaft and the corresponding position at the bottom of the L-shaped plate 23 is achieved. The rotating motor 22 is adhesively fixed to the L-shaped plate 23. The adhesive fixing increases the overall structural stability of the rotating motor 22 and the L-shaped plate 23. The rotation of the first pliers handle 200 and the second pliers handle 201 drives the V-shaped handle 20 to clamp accessories of different sizes.

[0036] In addition, the platen assembly 1 includes a U-shaped plate 10, a lighting lamp 11 provided at the top of the U-shaped plate 10, and a perspective window 100 provided in the middle of the U-shaped plate 10. The lighting lamp 11 includes a U-shaped seat 110 and a lamp body 111 rotatably connected to the U-shaped seat 110. The top of the U-shaped seat 110 is fixedly connected to the U-shaped plate 10 by screws, and the perspective window 100 is adhesively fixed to the corresponding position in the middle of the U-shaped plate 10.

[0037] In the present utility model, the screw fixed connection increases the overall structural stability of the U-shaped seat 110 and the U-shaped plate 10. The rotational connection enables the lamp body 111 to adjust the angle on the U-shaped seat 110, which helps the user to quickly adjust according to different processing positions. The adhesive fixed connection increases the overall structural strength of the top of the U-shaped seat 110 and the lamp body 111. Two lighting lamps 11 are installed on the top of the U-shaped plate 10. The left lighting lamp 11 realizes the left and right swing to adjust the position, and the right lighting lamp 11 realizes the front and back adjustment of the position.

[0038] Specifically, the support assembly 3 includes a bottom plate 30 and outer columns 33 symmetrically provided on the bottom plate 30. An inner column 32 is provided inside the outer column 33, and a nut 320 and a thread ring 321 are provided at the connection between the outer column 33 and the inner column 32. Fixed blocks 31 are provided at the outer ends of both the inner column 32 and the outer column 33. A number of screw holes 310 are equally spaced on the fixed block 31. A hydraulic cylinder 34 and a base 341 provided at the bottom of the hydraulic cylinder 34 are provided between the two outer columns 33. A rectangular block 35 is provided at the middle of the bottom of the U-shaped plate 10. Grooves are equally spaced on the surface of the nut 320. The inner diameter of the nut 320 is adapted to the outer diameter of the thread ring 321. The fixed block 31 is fixedly welded to the outer ends of the inner column 32 and the outer column 33.

[0039] In the present utility model, the outer diameter of the inner column 32 is adapted to the inner diameter of the outer column 33. The screw holes 310 on the bottom plate 30 and the fixed block 31 are fixedly connected by screws. The adaptation of the outer diameter to the inner diameter facilitates the reciprocating movement of the inner column 32 inside the outer column 33. The nut 320 is threadedly connected to the thread ring 321. The threaded connection facilitates fixing the inner column 32 at a specified position after moving it inside the outer column 33. The equally spaced grooves help to evenly increase the friction force, realizing the labor-saving operation cooperation for the user to rotate the nut 320. The inner ring of the thread ring 321 is adhesively fixed to the outer ring of the outer column 33 to increase the overall structural stability. The welded fixation increases the overall structural strength of the fixed block 31 with the inner column 32 and the outer column 33. The screw fixed connection increases the overall structural strength of the fixed block 31 and the bottom plate 30, and at the same time realizes the quick fixation and disassembly of the inner column 32 and the outer column 33 with the bottom of the U-shaped plate 10 and the bottom plate 30 respectively.

[0040] It is worth adding that both ends of the bottom of the hydraulic cylinder 34 respectively pass through the side wall of the base 341 and are threadedly connected to bolts 340. The top of the hydraulic cylinder 34 is fixedly welded to one side of the rectangular block 35.

[0041] In the present utility model, the provision of the base 341 helps to provide stable support for the hydraulic cylinder 34. The base 341 is fixedly welded to the bottom plate 30, and the welded fixation increases the structural stability of the bottom of the hydraulic cylinder 34. The two ends of the bottom of the hydraulic cylinder 34 are threadedly connected to the bolts 340, which facilitates the quick disassembly and maintenance of the bottom of the hydraulic cylinder 34. The top of the rectangular block 35 is fixedly welded to the U-shaped plate 10, and the welded fixation increases the overall structural strength. The top of the hydraulic cylinder 34 is fixedly welded to the rectangular block 35 to start the hydraulic cylinder 34 to drive the U-shaped plate 10 connected to the rectangular block 35 to change its position. Rotate the nut 320 away from the thread ring 321, start the hydraulic cylinder 34, and the top of the hydraulic cylinder 34 extends or shortens to drive the height of the U-shaped plate 10 to rise or fall. After the U-shaped plate 10 is lifted or lowered to the specified position, the inner column 32 is driven by the rising U-shaped plate 10 to change its position. After reaching the specified position, close the hydraulic cylinder 34 and at the same time rotate the nut 320 to closely fit with the thread ring 321.

[0042] When the adjustable workbench of this embodiment is in use, the staff first fixedly welds the base 341 to the bottom of the U-shaped plate 10 and the surface of the bottom plate 30. The two ends of the bottom of the hydraulic cylinder 34 are respectively connected and fixed to the bolts 340. The top of the hydraulic cylinder 34 is fixedly welded to one side of the rectangular block 35, and the hydraulic cylinder 34 is started to drive the rectangular block 35 to move to realize the height adjustment of the U-shaped plate 10.

[0043] The outer column 33 is sleeved on the outer circumference of the inner column 32, and the thread ring 321 is bonded to the outer circumference of the top of the outer column 33. Rotate the nut 320 to closely fit with the thread ring 321. The bottom end of the outer column 33 and the top end of the inner column 32 are respectively bonded and fixed to the fixing blocks 31. The fixing blocks 31 at the outer ends of the outer column 33 and the inner column 32 are respectively connected and fixed to the threaded holes on the U-shaped plate 10 and the bottom plate 30. The threaded connection between the nut 320 and the thread ring 321 facilitates the fixing of the inner column 32 at the specified position after moving inside the outer column 33. The perspective window 100 is bonded to the middle of the U-shaped plate 10. The top of the U-shaped seat 110 is connected and fixed to the top of the U-shaped plate 10 by screws. Then the lamp body 111 is coaxially connected to the U-shaped seat 110. Rotate the lamp body 111 left and right according to the positions of different processing components, so as to realize the adjustment of the angle of the illuminating lamp 11. After the adjustment is fixed, turn on the illuminating lamp 11.

[0044] Fix the L-shaped plate 23 on the surface of the U-shaped plate 10 by screws. The screw connection enables the convenient disassembly of the L-shaped plate 23. Mesh the two half gears 21 with each other. Bond and fix the two round shafts to the middle of one end of the second pliers handle 201 respectively. Bond and fix the outer ring of one end of the second pliers handle 201 to the half gear 21. Connect the other end of the second pliers handle 201 and one end of the V-shaped handle 20 by a pin for rotational connection. Bond and fix the bottom of the round shaft to the inner ring of the bearing provided on the L-shaped plate 23. Connect the two ends of the first pliers handle 200 to the corresponding positions on the L-shaped plate 23 and the middle inflection point of the V-shaped handle 20 by pins for rotational connection respectively. Bond and fix the output shaft of the rotary motor 22 to the middle of the half gear 21. Bond and fix one side of the rotary motor 22 to the side wall of the L-shaped plate 23. The user first starts the rotary motor 22 to adjust the V-shaped handle 20 to the width of the processing element. At this time, the V-shaped handle 20 clamps the processing element, and cooperates with other processing devices for operation. The cooperation of the clamping assembly 2 enables the clamping of processing elements of different sizes.

Claims

1. An adjustable workbench, comprising a tabletop assembly (1) for operation, a clamping assembly (2) provided near the bottom surface of the tabletop assembly (1), and a support assembly (3) provided below the tabletop assembly (1), characterized in that: The table assembly (1) comprises a U-shaped plate (10) and a lighting lamp (11) provided on the top of the U-shaped plate (10), and a perspective window (100) provided in the middle of the U-shaped plate (10); the clamping assembly (2) comprises a rotating motor (22) and a V-shaped hand (20) symmetrically linked with the output shaft of the rotating motor (22); a first clamp handle (200) is provided at the middle turning point of the V-shaped hand (20); a second clamp handle (201) is provided at the end of the V-shaped hand (20); and a half gear (21) is provided at the end of the second clamp handle (201); the supporting assembly (3) comprises a bottom plate (30 ) and an outer column (33) symmetrically arranged on the bottom plate (30), an inner column (32) is arranged inside the outer column (33), and a nut (320) and a threaded ring (321) are arranged at the connection between the outer column (33) and the inner column (32), a fixing block (31) is arranged at the outer ends of the inner column (32) and the outer column (33), a plurality of screw holes (310) are arranged at equal intervals on the fixing block (31), a hydraulic cylinder (34) and a base (341) are arranged at the bottom of the hydraulic cylinder (34) are arranged between the two outer columns (33), and a rectangular block (35) is arranged in the middle of the bottom of the U-shaped plate (10).

2. The adjustable workbench according to claim 1, wherein: The lighting lamp (11) comprises a U-shaped seat (110) and a lamp body (111) rotatably connected to the U-shaped seat (110); the top of the U-shaped seat (110) is fixedly connected to the U-shaped plate (10) by screws; and the perspective window (100) is bonded and fixed to the corresponding middle of the U-shaped plate (10).

3. The adjustable workbench according to claim 1, wherein: The two half gears (21) are meshed with each other, the output shaft of the rotating motor (22) is coaxially connected to the circular axis of one of the half gears (21), the half gear (21) is welded and fixed to the right end of the second clamp handle (201), and an L-shaped plate (23) is provided at the bottom of the half gear (21).

4. The adjustable workbench according to claim 1, wherein: One end of the second clamp handle (201) is rotatably connected to the V-shaped hand (20) via a pin, one end of the two first clamp handles (200) are rotatably connected to the middle turning point of the V-shaped hand (20) via a pin, and the other ends of the two first clamp handles (200) are rotatably connected to the L-shaped plate (23) via a pin.

5. The adjustable workbench according to claim 1, wherein: The surface of the nut (320) is provided with grooves at equal intervals. The inner diameter of the nut (320) is matched with the outer diameter of the thread ring (321). The fixing block (31) is respectively welded and fixed to the outer ends of the inner column (32) and the outer column (33).

6. The adjustable workbench according to claim 1, wherein: The two ends of the bottom of the hydraulic cylinder (34) respectively pass through the side walls of the base (341) and are threadedly connected to the bolts (340), and the top of the hydraulic cylinder (34) is welded and fixed to one side of the rectangular block (35).

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