CN218394219U

CN218394219U - Water pump front pump casing surface paint spraying apparatus

Info

Publication number: CN218394219U
Application number: CN202221826360.3U
Authority: CN
Inventors: 杨成武
Original assignee: Jingmen Zhongjin Aluminium Industry Casting Co ltd
Current assignee: Jingmen Zhongjin Aluminium Industry Casting Co ltd
Priority date: 2022-07-16
Filing date: 2022-07-16
Publication date: 2023-01-31
Anticipated expiration: 2032-07-16

Abstract

The utility model discloses a pump casing surface paint spraying apparatus before water pump belongs to water pump processing technology field, comprises a workbench, fixed mounting has two fixed plates in the workstation, rotate between two fixed plates and install same installation section of thick bamboo, fixed mounting has two atomizer and the outer fixed surface of installation section of thick bamboo on the inner wall of installation section of thick bamboo and installs outer ring gear, be provided with the tooth dental lamina that meshes with outer ring gear between two fixed plates, the side fixed mounting of tooth dental lamina has the connecting block, connecting block slidable mounting is in the bar slide of seting up on the workstation, through setting up the atomizer, an installation section of thick bamboo, outer ring gear, tooth dental lamina, connecting block and seesaw mechanism, utilize seesaw mechanism to drive the connecting block seesaw, drive tooth dental lamina synchronous motion in the connecting block motion process, it rotates repeatedly to drive outer ring gear in the tooth dental lamina motion process, further outer ring gear rotates and drives shower nozzle synchronous motion, the wholeness of spraying paint is improved.

Description

Water pump front pump shell surface paint spraying device

Technical Field

The utility model relates to a water pump processing technology field especially relates to a pump case surface paint spraying apparatus before water pump.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, and it can transfer the mechanical energy of prime mover or other external energy to the liquid to increase the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc. the surface of front pump shell is required to be spray-painted and rust-proof in the course of processing.

The pump case sprays paint before current pump needs the handheld spray gun of staff to spray paint the pump case before spraying paint the in-process, and needs the pump case position before the incessant adjustment of staff to carry out comprehensive spraying paint to preceding pump case surface simultaneously, and work is comparatively troublesome and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of pump case surface paint spraying apparatus before water pump has solved the pump case before current water pump and need the handheld spray gun of staff to spray paint to preceding pump case at the in-process that sprays paint, and need the pump case position to carry out comprehensive spraying paint to preceding pump case surface before the staff incessantly adjusts simultaneously, and work is comparatively troublesome and the inconvenient problem of operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pump housing surface paint spraying apparatus before water pump, comprises a workbench, fixed mounting has two fixed plates, two in the workstation rotate between the fixed plate and install same installation section of thick bamboo, fixed mounting has two atomizer and the outer fixed surface of installation section of thick bamboo on the inner wall of installation section of thick bamboo and installs outer ring gear, be provided with the tooth dental lamina that meshes with outer ring gear mutually between two fixed plates, the side fixed mounting of tooth dental lamina has the connecting block, connecting block slidable mounting is in the bar slide of seting up on the workstation, the side of workstation is provided with the seesaw mechanism who is used for ordering about connecting block seesaw, be provided with the up-and-down motion mechanism who is used for ordering about the mounting bracket up-and-down motion in the workstation on mounting bracket and the workstation, the upper and lower both sides of installation section of thick bamboo all are provided with places the board, be provided with on the mounting bracket and be used for two to place board relative motion and press from both sides the fixed clamping mechanism of tight preceding pump case, the side fixed mounting of workstation has the paint box, the upper surface of paint box is provided with the feeder hopper, the side fixed mounting of workstation has the paint pump, two is connected with the bi-pass through paint box and two bi-pass water pipe fixed surface and install two atomizer and the bi-pass water pipe respectively the two bi-pass hose and be connected with the two atomizer on the two bi-pass hose.

By adopting the scheme, the atomizing spray head, the mounting cylinder, the outer toothed ring, the toothed plate, the connecting block and the forward and backward movement mechanism are arranged, the forward and backward movement mechanism is utilized to drive the connecting block to move forward and backward, the connecting block moves to drive the toothed plate to move synchronously, the toothed plate moves to drive the outer toothed ring to rotate repeatedly, the outer toothed ring further rotates to drive the spray head to move synchronously, the comprehensiveness of spray paint is improved, meanwhile, workers are prevented from manually adjusting the position of the front pump shell to spray paint, and the simplicity and convenience of simultaneous use are realized, the up and down movement mechanism, the clamping mechanism, the mounting frame and the placing plate are arranged, the clamping mechanism is utilized to drive the two placing plates to move relatively, so that the front pump shell is clamped and fixed, avoid the condition that displacement takes place to rock before the pump case among the motion process, further utilize upper and lower motion to drive the mounting bracket motion, the board simultaneous movement is placed in the mounting bracket motion drive, so that cooperation atomizing nozzle sprays paint to preceding pump case surface, so that carry out all-round spraying paint to preceding pump case, further improve the comprehensiveness of spraying paint, through setting up the paint pump, the bi-pass water pipe, hose and atomizer, utilize the paint pump to take out the paint of paint incasement, make paint pass through the bi-pass water pipe and get into in the hose, and then spray through the atomizer, thereby realize the work of spraying paint to preceding pump case, avoid the handheld spray gun of staff to spray paint, and work efficiency is improved.

In the above scheme, it should be noted that the paint pump is electrically connected to an external power supply.

As a preferred scheme of the utility model, the seesaw mechanism includes the U type frame of fixed mounting in the workstation side, the side fixed mounting of U type frame has the motor, the output shaft of motor runs through U type frame and fixed mounting has the bull stick, the tip fixed mounting of bull stick has the slide bar, the side fixed mounting of connecting block has the support frame, slide bar slidable mounting is in the support frame.

Adopt above-mentioned scheme, through setting up the motor, the bull stick, slide bar and support frame, utilize the motor to drive the bull stick and rotate, the bull stick rotates the in-process and drives the slide bar and slide in the support frame, thereby order about the support frame and drive connecting block reciprocating motion front and back, drive tooth dental lamina synchronous motion in the connecting block motion process, in order to realize the rotation work repeatedly of outer ring gear, further make outer ring gear drive atomizer through an installation section of thick bamboo and rotate and spray paint, in order to improve the comprehensive nature of spraying paint.

In the above scheme, it should be noted that the motor is electrically connected to an external power supply.

As a preferred scheme of the utility model, the up-and-down motion includes the movable block of fixed mounting in the mounting bracket side, set up flutedly on the workstation inner wall, reciprocal lead screw is installed to the recess internal rotation, movable block screw thread is installed and is laminated with the recess inner wall at the surface and the movable block of reciprocal lead screw mutually.

Adopt above-mentioned scheme, through setting up reciprocal lead screw and movable block, utilize reciprocal lead screw to drive the movable block and reciprocate, the movable block motion drives mounting bracket synchronous motion, and then makes the mounting bracket drive and places the synchronous up-and-down motion of board to the pump case surface sprays paint before the cooperation atomizing nozzle, improves the simplicity and convenience of using.

As a preferred scheme of the utility model, clamping mechanism installs the handle, two including rotating the top of installing two-way threaded rod and the two-way threaded rod in the mounting bracket place the equal fixed mounting in one side that the board is opposite has a backup pad, two the backup pad is respectively threaded mounting on two sections screw threads of two-way threaded rod and two backup pads all laminate mutually with the mounting bracket inner wall.

By adopting the scheme, the bidirectional threaded rod and the supporting plate are arranged, the handle is utilized to rotate the bidirectional threaded rod, the bidirectional threaded rod rotates to drive the two supporting plates to move relatively, the two supporting plates move relatively to drive the two placing plates to move synchronously and relatively to each other, so that the front pump shell is clamped and fixed, the condition that the front pump shell is displaced in the moving process is avoided, and the use stability is improved.

As an optimized scheme of the utility model, the puddler is installed to the paint incasement rotation, connect through the drive mechanism transmission between motor, reciprocal lead screw and the puddler.

Adopt above-mentioned scheme, through setting up puddler and drive mechanism, utilize the puddler to stir the paint in the paint box to make paint more even, avoid paint pigment deposit to influence the condition of the effect of spraying paint.

As an optimized scheme of the utility model, drive mechanism installs the pivot of workstation lower surface including rotating, the equal fixed mounting in bottom of pivot one end and puddler has bevel gear and two bevel gear to mesh mutually, the other end of pivot and the equal fixed mounting in surface of motor output shaft have belt pulley one, two through belt transmission connection between the belt pulley one, the top of puddler and the equal fixed mounting in top of reciprocating screw have belt pulley two, two connect through the transmission of belt two between the belt pulley two.

Adopt above-mentioned scheme, through setting up the pivot, bevel gear, belt pulley one, belt pulley two and belt two, the motor rotates and drives the synchronous rotation of pivot through belt pulley one and belt, and the pivot rotates and drives the puddler through bevel gear and rotate, and the puddler rotates and drives reciprocal lead screw through belt pulley two and belt two and rotates to realize the simultaneous movement of up-and-down motion mechanism, seesaw mechanism and puddler, and then improve work efficiency, need not to use a plurality of motors to drive simultaneously, reduce the cost of using.

The utility model discloses in:

according to the paint spraying device for the surface of the front pump shell of the water pump, the paint pump, the two-way water pipe, the hose and the atomizing nozzle are arranged, the paint in the paint box is pumped out by the paint pump, so that the paint enters the hose through the two-way water pipe and is sprayed out through the atomizing nozzle, the paint spraying work of the front pump shell is realized, workers are prevented from spraying paint by holding a spray gun, and the work efficiency is improved;

according to the paint spraying device for the surface of the front pump shell of the water pump, the atomizing spray head, the mounting cylinder, the outer toothed ring, the toothed plate, the connecting block and the forward and backward movement mechanism are arranged, the forward and backward movement mechanism is used for driving the connecting block to move forward and backward, the connecting block moves to drive the toothed plate to move synchronously, the toothed plate moves to drive the outer toothed ring to rotate repeatedly, the outer toothed ring further rotates to drive the spray head to move synchronously, the comprehensiveness of paint spraying is improved, meanwhile, workers are prevented from manually adjusting the position of the front pump shell to spray paint, and therefore the paint spraying device is simple and convenient to use;

this pump case surface paint spraying apparatus before water pump is through setting up the up-and-down motion, clamping mechanism, the mounting bracket with place the board, utilize clamping mechanism to order about two and place board relative motion, thereby realize the tight fixed of clamp of preceding pump case, avoid the condition that the displacement takes place to rock in the preceding pump case of motion process, further utilize up-and-down motion to drive the mounting bracket motion, the board synchronous motion is placed in the mounting bracket motion drive, so that the cooperation atomizing nozzle sprays paint to preceding pump case surface, so that carry out all-round spraying paint to preceding pump case, further improve the comprehensive of spraying paint.

Drawings

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

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a schematic view of the outer ring gear of the present invention;

FIG. 4 is a schematic sectional view of the worktable of the present invention;

fig. 5 is a schematic sectional view of the paint tank of the present invention.

In the figure: 1. a work table; 2. placing a plate; 3. a bidirectional threaded rod; 4. a support plate; 5. a U-shaped frame; 6. a motor; 7. a rotating rod; 8. a support frame; 9. a tooth plate; 10. an outer ring gear; 11. mounting the cylinder; 12. an atomizing spray head; 13. a first belt pulley; 14. a first belt; 15. a rotating shaft; 16. a bevel gear; 17. a stirring rod; 18. a paint box; 19. a feed hopper; 20. a slide bar; 21. a second belt pulley; 22. a second belt; 23. a reciprocating screw; 24. a moving block; 25. a mounting frame; 26. a paint pump; 27. a double water pipe; 28. a hose; 29. mounting a plate; 30. a fixing plate; 31. and (7) connecting the block.

Detailed Description

Examples

Referring to fig. 1-5, the utility model provides a water pump front pump shell surface paint spraying apparatus, including workstation 1, two fixed plates 30 are fixedly installed in workstation 1, the same installation cylinder 11 is installed to rotate between two fixed plates 30, fixedly installed two atomizer 12 on the inner wall of installation cylinder 11 and the outer fixed surface of installation cylinder 11 installs outer ring gear 10, be provided with the tooth board 9 that meshes with outer ring gear 10 between two fixed plates 30, the side fixed mounting of tooth board 9 has connecting block 31, connecting block 31 is slidably mounted in the bar slide of seting up on workstation 1, the side of workstation 1 is provided with the fore-and-aft movement mechanism that is used for driving connecting block 31 fore-and-aft movement, the fore-and-aft movement mechanism includes the U type frame 5 of fixed mounting in workstation 1 side, the side fixed mounting of U type frame 5 has motor 6, the output shaft of motor 6 runs through U type frame 5 and fixed mounting has bull stick 7, the tip fixed mounting of bull stick 7 has slide bar 20, the side fixed mounting of connecting block 31 has support frame 8, slide bar 20 is slidably mounted in support frame 8, through setting up motor 6, through the rotation rack 7, the outer ring gear drives the outer ring gear 10 to drive the reciprocating movement of rotating link 31, thereby drive the outer ring 10 to drive the reciprocating motion of rotating rack 10 and drive the rotating rack 10 to drive the outer rack 10 to drive the reciprocating motion of rotating rack 10 to drive the rotating rack to improve the spray painting process;

the mounting frame 25 is arranged in the workbench 1, the workbench 1 is provided with an up-and-down movement mechanism for driving the mounting frame 25 to move up and down, the up-and-down movement mechanism comprises a moving block 24 fixedly mounted on the side surface of the mounting frame 25, the inner wall of the workbench 1 is provided with a groove, a reciprocating lead screw 23 is rotatably mounted in the groove, the moving block 24 is mounted on the outer surface of the reciprocating lead screw 23 in a threaded manner, the moving block 24 is attached to the inner wall of the groove, the reciprocating lead screw 23 is used for driving the moving block 24 to move up and down through the arrangement of the reciprocating lead screw 23 and the moving block 24, the mounting frame 25 is driven by the moving block 24 to move synchronously, so that the mounting frame 25 drives the placing plate 2 to move synchronously up and down, the surface of the front pump shell is sprayed with the atomization spray nozzle 12, and the use convenience is improved;

the upper side and the lower side of the mounting barrel 11 are both provided with placing plates 2, the mounting rack 25 is provided with a clamping mechanism for driving the two placing plates 2 to move relatively to clamp and fix a front pump shell, the clamping mechanism comprises a bidirectional threaded rod 3 rotatably mounted in the mounting rack 25, the top end of the bidirectional threaded rod 3 is provided with a handle, one opposite side of the two placing plates 2 is fixedly provided with a support plate 4, the two support plates 4 are respectively and threadedly mounted on two sections of threads of the bidirectional threaded rod 3, the two support plates 4 are attached to the inner wall of the mounting rack 25, the bidirectional threaded rod 3 is rotated by the handle, the two support plates 4 are driven to move relatively by the bidirectional threaded rod 3, the two placing plates 2 are driven to move synchronously and relatively by the relative movement of the two support plates 4, so that the front pump shell is clamped and fixed, the displacement of the front pump shell in the movement process is avoided, and the use stability is improved;

a paint box 18 is fixedly installed on the side face of the workbench 1, a feed hopper 19 is arranged on the upper surface of the paint box 18, a stirring rod 17 is rotatably installed in the paint box 18, the motor 6, the reciprocating lead screw 23 and the stirring rod 17 are in transmission connection through a transmission mechanism, and by arranging the stirring rod 17 and the transmission mechanism, the paint in the paint box 18 is stirred by the stirring rod 17, so that the paint is more uniform, and the condition that the paint spraying effect is influenced by paint pigment precipitation is avoided;

the transmission mechanism comprises a rotating shaft 15 which is rotatably provided with the lower surface of the workbench 1, one end of the rotating shaft 15 and the bottom end of the stirring rod 17 are both fixedly provided with bevel gears 16, the two bevel gears 16 are meshed, the other end of the rotating shaft 15 and the outer surface of the output shaft of the motor 6 are both fixedly provided with belt pulleys 13, the two belt pulleys 13 are in transmission connection through a belt pulley 14, the top end of the stirring rod 17 and the top end of the reciprocating screw 23 are both fixedly provided with a belt pulley 21, the two belt pulleys 21 are in transmission connection through a belt pulley 22, the motor 6 rotates to drive the rotating shaft 15 to synchronously rotate through the belt pulley 13 and the belt pulley 14, the rotating shaft 15 rotates to drive the stirring rod 17 to rotate through the bevel gears 16, the stirring rod 17 rotates to drive the reciprocating screw 23 to rotate through the belt pulleys 21 and the belt pulley 22, so as to realize the synchronous motion of the up-and-down movement mechanism, the back-and-forth movement mechanism and the stirring rod 17, and further improve the working efficiency, meanwhile, a plurality of motors 6 are not needed to drive, and the use cost is reduced;

a paint pump 26 is fixedly arranged on the side surface of the workbench 1, a water inlet pipe of the paint pump 26 penetrates through the upper surface of the paint box 18 and extends to the position below the water surface in the paint box 18, two mounting plates 29 are fixedly arranged on the upper surface of the workbench 1, the two mounting plates 29 and the workbench 1 are fixedly provided with the same double-pass water pipe 27, a water outlet pipe of the paint pump 26 is communicated with the double-pass water pipe 27, two water outlet pipes of the double-pass water pipe 27 are respectively and fixedly provided with a hose 28, the two hoses 28 are respectively connected with the two atomizing nozzles 12, the connecting block 31 is driven by the back-and-forth movement mechanism through the arrangement of the atomizing nozzles 12, the mounting cylinder 11, the outer toothed ring 10, the toothed plate 9, the connecting block 31 and the back-and-forth movement mechanism, the toothed plate 9 is driven by the movement of the connecting block 31 to move synchronously, the toothed plate 9 drives the outer toothed ring 10 to rotate repeatedly, the outer toothed ring 10 further drives the nozzles to move synchronously, so as to improve the overall paint spraying performance, meanwhile, the condition that the front pump shell shakes and displaces in the movement process is avoided by arranging the up-and-down movement mechanism, the clamping mechanism, the mounting frame 25 and the placing plates 2 and driving the two placing plates 2 to move relatively by utilizing the clamping mechanism, so that the clamping and fixing of the front pump shell are realized, the condition that the front pump shell shakes and displaces in the movement process is further avoided, the up-and-down movement mechanism is further utilized to drive the mounting frame 25 to move, the mounting frame 25 moves to drive the placing plates 2 to move synchronously, so that the surface of the front pump shell is sprayed with paint by matching with the atomizing nozzle 12, the front pump shell is sprayed with all-round paint, the comprehensiveness of the paint spraying is further improved, the paint in the paint box 18 is pumped out by utilizing the paint pump 26 through the bi-pass water pipe 27 by arranging the paint pump 26, the hose 28 and the atomizing nozzle 12, so that the paint enters the hose 28 through the bi-pass water pipe 27, and then spout through atomizer 12 to the realization is to the work of spraying paint of preceding pump case, avoids the handheld spray gun of staff to spray paint, improves work efficiency.

The working principle is as follows: when the paint spraying device is used, firstly, a front pump shell is placed on a placing plate 2 below, then the handle is rotated to drive the handle to drive a bidirectional threaded rod 3 to rotate, the bidirectional threaded rod 3 rotates to drive two placing plates 2 to move relatively through a supporting plate 4 so as to realize clamping and fixing work on the front pump shell, then paint is poured into a feeding hopper 19, then a paint pump 26 and a motor 6 are turned on, the paint in a paint box 18 is pumped out by the paint pump 26, the paint enters a hose 28 through a two-way water pipe 27 and is sprayed out from an atomizing spray head 12, meanwhile, the motor 6 drives a rotating rod 7 to rotate, the rotating rod 7 drives a sliding rod 20 to slide in a supporting frame 8 in the rotating process so as to drive the supporting frame 8 to drive a connecting block 31 to reciprocate back and forth, the connecting block 31 drives a toothed plate 9 to move synchronously in the moving process so as to realize repeated rotating work of an outer toothed ring 10, further, the outer toothed ring 10 drives the atomizing spray head 12 to rotate for spraying paint through an installation barrel 11, meanwhile, the motor 6 rotates to drive a rotating shaft 15 to drive a rotating shaft to synchronously rotate through a bevel gear 16 and a bevel gear 17 to drive a stirring rod 21 and a two belt pulley 21 and a reciprocating belt pulley 23 to drive a front screw rod 24 to move up and down so as to realize synchronous moving motion of the reciprocating spray paint, and reciprocating motion of the front screw rod 2, and up and down movement of the installation rack for realizing synchronous movement of the reciprocating spray paint spraying work, and reciprocating spray painting spray head 23, and reciprocating motion of the reciprocating lead screw rod 24.

Claims

1. The utility model provides a pump casing surface paint spraying apparatus before water pump, its characterized in that, includes workstation (1), fixed mounting has two fixed plates (30) in workstation (1), two rotate between fixed plate (30) and install same installation section of thick bamboo (11), the fixed surface fixed mounting who has two atomizer (12) and installation section of thick bamboo (11) on the inner wall of installation section of thick bamboo (11) has outer ring gear (10), be provided with toothed bar (9) with outer ring gear (10) engaged with between two fixed plates (30), the side fixed mounting of toothed bar (9) has connecting block (31), connecting block (31) slidable mounting is in the bar slide of seting up on workstation (1), the side of workstation (1) is provided with the seesaw mechanism that is used for ordering about connecting block (31) seesaw, be provided with the up-and-down motion mechanism that is used for ordering about mounting block (25) up-and on workstation (1) in workstation (1), the upper and lower motion mechanism that is used for ordering about mounting block (25) up-down motion is provided with on the upper mounting bracket (18), the upper and the upper surface of the oil case (18) is pressed from both sides to the fixed mounting bracket (18) of clamping to the installation of the pump case (18) of the installation of the pump case (18) is provided with the fixed mounting bracket (18), the side fixed mounting of workstation (1) has paint pump (26), the inlet tube of paint pump (26) runs through paint box (18) upper surface and extends to below the water level in paint box (18), fixed surface installs two mounting panel (29) and workstation (1) on fixed mounting have same bi-pass water pipe (27), the outlet pipe and bi-pass water pipe (27) of paint pump (26) are linked together, two equal fixed mounting of drain pipe department of bi-pass water pipe (27) have hose (28), two hose (28) are connected with two atomizer (12) respectively.

2. The paint spraying device for the surface of the front pump casing of the water pump as claimed in claim 1, wherein the front-back movement mechanism comprises a U-shaped frame (5) fixedly mounted on the side surface of the workbench (1), a motor (6) is fixedly mounted on the side surface of the U-shaped frame (5), an output shaft of the motor (6) penetrates through the U-shaped frame (5) and is fixedly mounted with a rotating rod (7), a sliding rod (20) is fixedly mounted at the end part of the rotating rod (7), a supporting frame (8) is fixedly mounted on the side surface of the connecting block (31), and the sliding rod (20) is slidably mounted in the supporting frame (8).

3. The paint spraying device for the surface of the front pump casing of the water pump as claimed in claim 2, wherein the up-and-down movement mechanism comprises a moving block (24) fixedly mounted on the side surface of the mounting frame (25), a groove is formed in the inner wall of the workbench (1), a reciprocating lead screw (23) is rotatably mounted in the groove, the moving block (24) is mounted on the outer surface of the reciprocating lead screw (23) in a threaded manner, and the moving block (24) is attached to the inner wall of the groove.

4. The device for spraying paint on the surface of the front pump casing of the water pump as claimed in claim 3, wherein the clamping mechanism comprises a bidirectional threaded rod (3) rotatably mounted in the mounting frame (25), a handle is mounted at the top end of the bidirectional threaded rod (3), the two opposite surfaces of the placing plates (2) are fixedly provided with the supporting plates (4), the two supporting plates (4) are respectively mounted on two sections of threads of the bidirectional threaded rod (3) in a threaded manner, and the two supporting plates (4) are attached to the inner wall of the mounting frame (25).

5. The paint spraying device for the surface of the pump casing before the water pump is characterized in that a stirring rod (17) is rotatably mounted in the paint box (18), and the motor (6), the reciprocating lead screw (23) and the stirring rod (17) are in transmission connection through a transmission mechanism.

6. The device for spraying paint on the surface of the front pump casing of the water pump according to claim 5, wherein the transmission mechanism comprises a rotating shaft (15) rotatably mounted with the lower surface of the workbench (1), one end of the rotating shaft (15) is fixedly mounted with a bevel gear (16) at the bottom end of the stirring rod (17) and is meshed with the two bevel gears (16), the other end of the rotating shaft (15) is fixedly mounted with a first belt pulley (13) at the outer surface of the output shaft of the motor (6), the two first belt pulleys (13) are in transmission connection with each other through a first belt (14), the top end of the stirring rod (17) is fixedly mounted with a second belt pulley (21) at the top end of the reciprocating lead screw (23), and the two second belt pulleys (21) are in transmission connection with each other through a second belt (22).