Adjusting mechanism and method for optimal position of carbon dioxide injection

Abstract

The invention relates to the technical field of carbon dioxide injection, and provides an optimal carbon dioxide injection position adjusting mechanism and method.The mechanism comprises a rack, a trapezoidal lead screw, a lifting module, a translation module, a fine adjustment mechanism, a rotating mechanism and an injection mechanism, and the method comprises the following steps that S1, preliminary positioning is conducted; s2, preliminary adjustment; a handle is shaken to drive a trapezoidal lead screw, a transmission plate is controlled to drive a translation module to ascend and descend, the height of the spraying mechanism is preliminarily positioned conveniently, the trapezoidal lead screw has a self-locking function due to trapezoidal threads between a screw rod and a nut of the trapezoidal lead screw, the nut is not prone to automatically sliding, and therefore the spraying mechanism is not prone to shaking up and down; and through the arrangement of a first knob, a second knob and a third knob, the fine adjustment mechanism and the rotating mechanism are controlled to conduct secondary adjustment on the position of the spraying mechanism after preliminary positioning, the spraying head can spray liquid carbon dioxide at the accurate position, and the solution is saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of carbon dioxide spraying, and particularly relates to a carbon dioxide spraying optimal position adjusting mechanism and method. BACKGROUND

[0002] In the current production process, a fixed frame built by profiles is used to support and position the carbon dioxide spraying mechanism. In actual operation, it is found that when the module moves along the production line, the fixed frame will produce obvious vibration and shaking due to insufficient rigidity of the profile structure, gaps in the connecting parts or low overall natural frequency. This shaking directly leads to the position deviation of the carbon dioxide spray head installed on the fixed frame, and the nozzles on the spray head cannot continuously and accurately aim at the preset cleaning area on the product surface. After the spray head deviates, the carbon dioxide jet cannot effectively cover the surface to be cleaned, which will cause the residual of pollutants and the waste of solution. In addition, the existing module lacks further adjustment means for the spray head after positioning the spraying mechanism, and the spraying accuracy needs to be improved.

[0003] Therefore, for the spraying of liquid carbon dioxide, how to design a position adjusting scheme to improve the shaking problem of the spray head and improve the accuracy of carbon dioxide spraying is a technical problem that needs to be solved by those skilled in the art. SUMMARY

[0004] The technical problem to be solved by the present application is how to overcome the shortcomings of the prior art, provide a carbon dioxide spraying optimal position adjusting mechanism and method, improve the shaking problem of the nozzle, and improve the accuracy of carbon dioxide spraying.

[0005] To solve the above technical problems, the present application provides a carbon dioxide injection optimal position adjusting mechanism, comprising: a rack comprising an upper crossbeam, a lower crossbeam and two columns, the top ends of the two columns being connected by the upper crossbeam and the middle parts being connected by the lower crossbeam; an upper bearing being fixed on the front side of the upper crossbeam, a lower bearing being fixed on the front side of the lower crossbeam, the transmission ends of the upper bearing and the lower bearing being arranged oppositely; an electromagnetic valve being arranged at the top end of the lower crossbeam; a trapezoidal screw rod being installed on the front side of the rack through the upper bearing and the lower bearing; a lifting module being symmetrically arranged on the front side of the two columns; a transmission plate being arranged at the transmission end of the lifting module, the transmission plate being connected with the trapezoidal screw rod through a transmission member fixed on the back side of the transmission plate and moving on the lifting module under the transmission of the trapezoidal screw rod; a dust-free drag chain being fixed on the transmission plate through a partition plate at the top end of the transmission plate; a translation module being connected with the lifting module through the transmission plate and moving synchronously with the transmission plate; a translation motor being arranged at one end of the translation module; a fine adjustment mechanism being arranged at the transmission end of the translation module and moving on the translation module under the drive of the translation motor; a rotating mechanism being fixed on the front side of the fine adjustment mechanism and moving synchronously with the fine adjustment mechanism; and an injection mechanism being movably connected with the rotating adjustment mechanism, translating under the transmission of the fine adjustment mechanism and rotating under the transmission of the rotating mechanism.

[0006] Optionally, the trapezoidal screw rod comprises: a screw rod being sequentially connected with the transmission ends of the upper bearing and the lower bearing from top to bottom; a wheel disc being installed on the top of the screw rod and arranged above the upper bearing through a limiting member; a handle being arranged on the wheel disc, the handle being used to drive the screw rod to rotate through the wheel disc under the transmission of the upper bearing and the lower bearing; a nut being arranged on the screw rod and sleeved in the transmission member; the top end of the nut being arranged between the transmission member and the upper bearing and abutting against the top end of the transmission member; the nut being used to move on the screw rod when the screw rod rotates and drive the transmission plate to move on the lifting module through the transmission member.

[0007] Optionally, the fine adjustment mechanism comprises a fine adjustment platform, a first knob and a second knob; the back side of the fine adjustment platform being fixed on the transmission end of the translation module; the first knob being arranged on the top of the fine adjustment platform and being used to control the forward and backward movement of the fine adjustment mechanism; the second knob being arranged on the left side or the right side of the fine adjustment platform and being used to control the upward and downward movement of the fine adjustment mechanism.

[0008] Optionally, the rotating mechanism comprises a first connecting plate, a rotating platform and a third knob; the first connecting plate is of an L-shaped structure, one end of which is fixed to the front side of the fine adjustment mechanism, and the other end of which is connected with the rotating platform; the first connecting plate is used to drive the rotating platform to move synchronously with the fine adjustment mechanism; and the third knob is arranged on the front side of the rotating platform and is used to control the rotation of the rotating mechanism.

[0009] Optionally, the spraying mechanism comprises a second connecting plate and a spray head; the second connecting plate is of an L-shaped structure, one end of which is fixed to the rotating mechanism, and the other end of which is connected with the spray head; the second connecting plate is used to drive the spray head to rotate with the rotating mechanism.

[0010] Optionally, the spray head comprises a liquid inlet pipe and a nozzle, which are arranged on the two sides of one end of the second connecting plate respectively, and the liquid inlet end of the liquid inlet pipe is opposite to the spraying end of the nozzle.

[0011] Optionally, the partition plate is arranged above the translation module and does not contact the translation module, one end of the partition plate is fixed to the transmission plate, and the other end of the partition plate is upwardly curved to separate the dust-free drag chain from the fine adjustment mechanism.

[0012] Optionally, the left and right ends of the lifting module are both provided with plug holes arranged at equal distances; the left and right ends of the transmission plate are both provided with positioning plates, one end of each of the positioning plates is fixed to the transmission plate, and the other end of each of the positioning plates extends towards the lifting module; the extension part of each of the positioning plates is provided with a positioning groove; and the positioning plates are used to align the positioning grooves with the plug holes when the transmission plate moves on the lifting module.

[0013] Optionally, the length of the positioning groove is not less than the length at which the plug holes are arranged.

[0014] The application also provides a method for adjusting the optimal position of carbon dioxide spraying, which comprises the following steps: S1. preliminary positioning: shake the handle, drive the translation module on the lifting module to move through the trapezoidal screw, until the spraying mechanism moves to the vicinity of the target spraying height, then fix the translation module on the lifting module through the positioning plate, and then drive the fine adjustment mechanism on the translation module to move through the translation motor, until the spraying mechanism moves to the vicinity of the target spraying position; and S2. accurate adjustment: rotate the first knob and the second knob, drive the spraying mechanism to translate through the fine adjustment mechanism, until the spray head moves to the accurate spraying position, then rotate the third knob, drive the spraying mechanism to rotate through the rotating mechanism, until the nozzle is aligned with the target spraying area.

[0015] Compared with the prior art, the application has the following technical effects:

[0016] (1) Through the setting of the partition plate and the dust-free module, the liquid carbon dioxide conveying pipeline is prevented from moving along with the equipment and rubbing to generate dust when the fine adjustment mechanism moves on the translation module, so as to avoid dust pollution to the sprayed product;

[0017] (2) The height of the spraying mechanism is preliminarily positioned by driving the trapezoidal screw through the shaking handle, driving the transmission plate to drive the translation module to ascend and descend, the trapezoidal screw has a self-locking function due to the trapezoidal thread between the screw rod and the nut, and the nut is not easy to slide, so the spraying mechanism is not easy to shake up and down;

[0018] (3) The spraying mechanism can be fixed near the target spraying height during preliminary positioning through the setting of the positioning plate and the jack, so as to avoid up and down deviation due to subsequent position adjustment operation, and improve stability;

[0019] (4) The position of the spraying mechanism after preliminary positioning is secondarily adjusted by the fine adjustment mechanism and the rotating mechanism through the setting of the first knob, the second knob and the third knob, so that the spray head can spray liquid carbon dioxide at an accurate position, and the solution is saved. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in combination with the drawings and examples.

[0021] Figure 1 is a schematic view of the best position adjustment mechanism of carbon dioxide spraying in the application;

[0022] Figure 2 is Figure 1 is a schematic view after removing the partition plate, the dust-free drag chain, the translation module, the fine adjustment mechanism and the rotating mechanism;

[0023] Figure 3 is Figure 2 is a schematic view after removing the transmission plate and the positioning plate;

[0024] Figure 4 is Figure 3 is an enlarged view of part A in the application;

[0025] Figure 5 is a schematic view of the installation of the trapezoidal screw and the transmission part in the application;

[0026] Figure 6 is a schematic view of the positioning plate in the application;

[0027] Figure 7 is Figure 6 is an enlarged view of part B in the application;

[0028] Figure 8 is a schematic view of the fine adjustment mechanism, the rotating mechanism and the spraying mechanism in the application;

[0029] Figure 9This is a schematic diagram of the injection mechanism in this invention.

[0030] The annotations in the attached figures are explained as follows:

[0031] 100. Frame; 110. Upper crossbeam; 120. Lower crossbeam; 130. Column; 140. Upper bearing; 150. Lower bearing; 160. Solenoid valve; 170. Limiting component;

[0032] 200. Trapezoidal lead screw; 210. Screw; 220. Wheel; 221. Handle; 230. Nut;

[0033] 300, Lifting module; 301, Insertion hole; 310, Transmission plate; 320, Transmission component; 330, Partition plate; 340, Cleanroom cable chain; 350, Positioning plate; 351, Positioning groove;

[0034] 400. Translation module; 410. Translation motor;

[0035] 500. Fine-tuning mechanism; 510. Fine-tuning platform; 520. First knob; 530. Second knob;

[0036] 600. Rotating mechanism; 610. First connecting plate; 620. Rotating platform; 630. Third knob;

[0037] 700. Spraying mechanism; 710. Second connecting plate; 720. Nozzle; 721. Liquid inlet pipe; 722. Nozzle. Detailed Implementation

[0038] The present invention will now be further described in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0039] Example 1

[0040] like Figures 1-5 As shown, this embodiment provides a carbon dioxide injection optimal position adjustment mechanism, including a frame 100, a trapezoidal lead screw 200, a lifting module 300, a translation module 400, a fine-tuning mechanism 500, a rotating mechanism 600, and an injection mechanism 700.

[0041] The rack 100 comprises an upper crossbeam 110, a lower crossbeam 120 and two upright columns 130, the top ends of the two upright columns 130 are connected by the upper crossbeam 110, and the middle parts are connected by the lower crossbeam 120, and the upper crossbeam 110 and the lower crossbeam 120 can be fixed as a whole with the two upright columns 130 by welding. The upper crossbeam 110 is fixed with an upper bearing 140 at the front side, and the lower crossbeam 120 is fixed with a lower bearing 150 at the front side. The upper bearing 140 and the lower bearing 150 are both seat bearings, and the transmission ends are oppositely arranged. The top end of the lower crossbeam 120 is provided with a solenoid valve 160, which is used to be connected with the first end of the liquid carbon dioxide conveying pipeline and control the start and stop of the liquid carbon dioxide conveying. The trapezoidal screw rod 200 is installed on the front side of the rack 100 through the upper bearing 140 and the lower bearing 150, and is in transmission cooperation with the upper bearing 140 and the lower bearing 150. The lifting module 300 is symmetrically arranged on the front side of the two upright columns 130. The transmission end of the lifting module 300 is provided with a transmission plate 310, which is connected with the trapezoidal screw rod 200 through the transmission member 320 fixed on the back side of the transmission plate 310, and moves on the lifting module 300 under the transmission of the trapezoidal screw rod 200. The top end of the transmission plate 310 is fixed with a dust-free drag chain 340 through a partition plate 330. The dust-free drag chain 340 is used to place the liquid carbon dioxide conveying pipeline, and guide the end of the liquid carbon dioxide conveying pipeline to the spraying mechanism 700. The translation module 400 is connected with the lifting module 300 through the transmission plate 310 and moves synchronously with the transmission plate 310, and one end of the translation module 400 is provided with a translation motor 410. The fine adjustment mechanism 500 is arranged at the transmission end of the translation module 400 and moves on the translation module 400 under the drive of the translation motor 410. The rotating mechanism 600 is fixed on the front side of the fine adjustment mechanism 500 and moves synchronously with the fine adjustment mechanism 500. The spraying mechanism 700 is movably connected with the rotating adjustment mechanism 600, moves under the transmission of the fine adjustment mechanism 500, and rotates under the transmission of the rotating mechanism 600.

[0042] As shown in Figures 1-2 The partition plate 330 is arranged above the translation module 400 and does not contact the translation module 400, one end of the partition plate 330 is fixed on the transmission plate 310, and the other end is upwardly curved, which separates the dust-free drag chain 340 from the fine adjustment mechanism 500. Through the arrangement of the partition plate 330 and the dust-free module 340, when the fine adjustment mechanism 500 moves on the translation module 400, the liquid carbon dioxide conveying pipeline moves with the fine adjustment mechanism 500 and rubs with the equipment to generate dust, thereby avoiding dust pollution to the sprayed product.

[0043] As shown in Figures 2-5As shown, the trapezoidal screw 200 includes a screw rod 210, a wheel disc 220 and a nut 230. The screw rod 210 is connected with the driving end of the upper bearing 140 and the lower bearing 150 in sequence from top to bottom. The wheel disc 220 is installed on the top of the screw rod 210 and is arranged above the upper bearing 140 through the limiting piece 170. The wheel disc 220 is provided with a handle 221, which is used to drive the screw rod 210 to rotate through the wheel disc 220 under the driving of the upper bearing 140 and the lower bearing 150. The nut 230 is arranged on the screw rod 210 and is sleeved in the driving piece 320. The top end of the nut 230 is arranged between the driving piece 320 and the upper bearing 140 and abuts against the top end of the driving piece 320. The nut 230 is used to move on the screw rod 210 when the screw rod 210 rotates and drive the driving plate 310 to move on the lifting module 300 through the driving piece 320. The trapezoidal screw 200 is driven by shaking the handle 211, the translation module 400 is controlled to lift and lower by the driving plate 310, the height of the spraying mechanism 700 is preliminarily positioned, the trapezoidal screw 200 has a self-locking function due to the trapezoidal thread between the screw rod 210 and the nut 230, and the nut 230 is not easy to slide by itself, so the spraying mechanism 700 is not easy to shake up and down.

[0044] As shown in Figure 1 , Figure 6 and Figure 7 , the lifting module 300 is provided with a plurality of insertion holes 301 arranged at equal intervals at the left and right ends thereof, and the driving plate 310 is provided with a positioning plate 350 at the left and right ends thereof. One end of the positioning plate 350 is fixed to the driving plate 310, and the other end extends towards the lifting module 300. The extending portion of the positioning plate 350 is provided with a positioning groove 351, and the positioning plate 350 is used to align the positioning groove 351 with the insertion hole 301 when the driving plate 310 moves on the lifting module 300.

[0045] The length of the positioning groove 351 is not less than the length of at least two insertion holes 301. When preliminarily positioned, the fixing device is inserted into the insertion hole 301 through the positioning groove 351, so that the positioning plate 350 can be fixed to the lifting module 300, and then the translation module 400 is fixed. Through the arrangement of the positioning plate 350 and the insertion hole 301, the spraying mechanism 700 can be fixed near the target spraying height during the preliminary positioning, so as to avoid the upward and downward deviation caused by the subsequent position adjustment operation, and improve the stability.

[0046] As shown in Figure 1 and Figure 8 , the fine adjustment mechanism 500 includes a fine adjustment platform 510, a first knob 520 and a second knob 530. The fine adjustment platform 510 is fixed to the driving end of the translation module 400 at the rear side. The first knob 520 is arranged on the top of the fine adjustment platform 510 and is used to control the forward and backward movement of the fine adjustment mechanism 500. The second knob 530 is arranged on the left side or the right side of the fine adjustment platform 520 and is used to control the upward and downward movement of the fine adjustment mechanism 500.

[0047] As shown in Figure 1 and Figure 8 , the rotating mechanism 600 includes a first connecting plate 610, a rotating platform 620 and a third knob 630. The first connecting plate 610 is an "L" type structure, one end of which is fixed to the front side of the fine adjustment mechanism 500, and the other end is connected with the rotating platform 620. The first connecting plate 610 is used to drive the rotating platform 620 to move synchronously with the fine adjustment mechanism 500. The third knob 630 is arranged on the front side of the rotating platform 620 and is used to control the rotation of the rotating mechanism 600.

[0048] As shown in Figure 1 and Figure 8 , the spraying mechanism 700 includes a second connecting plate 710 and a spray head 720. The second connecting plate 710 is an "L" type structure, one end of which is fixed to the rotating mechanism 600, and the other end is connected with the spray head 720. The second connecting plate 720 is used to drive the spray head 720 to rotate with the rotating mechanism 600.

[0049] Through the setting of the first knob 520, the second knob 530 and the third knob 630, the position of the spray head 720 after the preliminary positioning of the fine adjustment mechanism 500 and the rotating mechanism 600 to the spraying mechanism 700 is adjusted twice, so that the spray head 720 can spray liquid carbon dioxide at an accurate position, saving the solution.

[0050] As shown in Figures 8-9 , the spray head 720 includes a liquid inlet pipe 721 and a nozzle 722. The liquid inlet pipe 721 is used to be connected with the end of the liquid carbon dioxide delivery pipeline, and under the input control of the electromagnetic valve 160, the liquid carbon dioxide is output to the nozzle 722. The liquid inlet pipe 721 and the nozzle 722 are arranged on both sides of one end of the second connecting plate 720 respectively, and the liquid inlet end of the liquid inlet pipe 721 is opposite to the spraying end of the nozzle 722.

[0051] Embodiment 2

[0052] The embodiment provides a carbon dioxide spraying optimal position adjusting method, which comprises the following steps:

[0053] S1. Preliminary positioning: shake the handle 221, the trapezoidal screw rod 200 drives the translation module 400 to move on the lifting module 300 until the spraying mechanism 700 moves to the vicinity of the target spraying height, then the translation motor 410 drives the fine adjustment mechanism 500 to move on the translation module 400 until the spraying mechanism 700 moves to the vicinity of the target spraying position;

[0054] S2. Fine adjustment: turn the first knob 520 and the second knob 530, the fine adjustment mechanism 500 drives the spraying mechanism 700 to translate, until the nozzle 720 moves to the accurate spraying position, then turn the third knob 530, the rotating mechanism 600 drives the spraying mechanism 700 to rotate, until the nozzle 722 is aligned with the target spraying area.

[0055] In the step S1, the translation module 400 is fixed to the lifting module 300 by the positioning plate 350, which is described in the above embodiment 1 and will not be repeated here.

[0056] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable the person skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A carbon dioxide injection optimal position adjustment mechanism, characterized in that, The utility model relates to a kind of automatic spraying machine, including: Rack (100), including upper crossbeam (110), lower crossbeam (120) and two columns (130), two the top of the column (130) is connected by the upper crossbeam (110), and middle part is connected by the lower crossbeam (120);Upper bearing (140) is fixed on the front side of the upper crossbeam (110), lower bearing (150) is fixed on the front side of the lower crossbeam (120), and the transmission end of the upper bearing (140) and the lower bearing (150) is arranged oppositely up and down;Electromagnetic valve (160) is provided at the top of the lower crossbeam (120); Trapezoidal screw rod (200) is installed on the front side of the rack (100) by the upper bearing (140) and the lower bearing (150); Lifting module (300) is symmetrically arranged on the front side of two columns (130);The transmission end of the lifting module (300) is provided with transmission plate (310), and the transmission plate (310) is connected with the trapezoidal screw rod (200) by transmission member (320) fixed on the rear side thereof, and moves on the lifting module (300) under the transmission of the trapezoidal screw rod (200);The top of the transmission plate (310) is fixed with dust-free drag chain (340) through partition (330); Translation module (400) is connected with the lifting module (300) by the transmission plate (310) and moves synchronously with the transmission plate (310);One end of the translation module (400) is provided with translation motor (410); Fine adjustment mechanism (500) is arranged on the transmission end of the translation module (400) and moves on the translation module (400) under the drive of the translation motor (410); Rotary mechanism (600) is fixed on the front side of the fine adjustment mechanism (500) and moves synchronously with the fine adjustment mechanism (500); Spraying mechanism (700) is movably connected with the rotary adjustment mechanism (600), translates under the transmission of the fine adjustment mechanism (500) and rotates under the transmission of the rotary mechanism (600).

2. The carbon dioxide injection optimal position adjusting mechanism according to claim 1, characterized by, The trapezoidal screw rod (200) includes: Screw rod (210) is sequentially connected with the transmission end of the upper bearing (140) and the lower bearing (150) from top to bottom; Wheel disc (220) is installed on the top of the screw rod (210) and is arranged above the upper bearing (140) by limiting member (170);Handle (221) is arranged on the wheel disc (220), and the handle (221) is used to rotate the screw rod (210) by the wheel disc (220) under the transmission of the upper bearing (140) and the lower bearing (150); A nut (230) is arranged on the screw rod (210) and sleeved in the transmission member (320). The top end of the nut (230) is arranged between the transmission member (320) and the upper bearing (140) and abuts against the top end of the transmission member (320). The nut (230) is used to move on the screw rod (210) when the screw rod (210) rotates and drive the transmission plate (310) to move on the lifting module (300) through the transmission member (320).

3. The carbon dioxide injection optimal position adjusting mechanism according to claim 1, characterized by, The fine adjustment mechanism (500) comprises a fine adjustment platform (510), a first knob (520) and a second knob (530). The rear side of the fine adjustment platform (510) is fixed to the transmission end of the translation module (400). The first knob (520) is arranged on the top of the fine adjustment platform (510) and is used to control the forward and backward movement of the fine adjustment mechanism (500). The second knob (530) is arranged on the left side or the right side of the fine adjustment platform (520) and is used to control the upward and downward movement of the fine adjustment mechanism (500).

4. The carbon dioxide injection optimal position adjusting mechanism according to claim 1, wherein The rotation mechanism (600) comprises a first connecting plate (610), a rotation platform (620) and a third knob (630). The first connecting plate (610) is in an "L" shape structure, one end of which is fixed to the front side of the fine adjustment mechanism (500) and the other end of which is connected with the rotation platform (620). The first connecting plate (610) is used to drive the rotation platform (620) to move synchronously with the fine adjustment mechanism (500). The third knob (630) is arranged on the front side of the rotation platform (620) and is used to control the rotation of the rotation mechanism (600).

5. The carbon dioxide injection optimal position adjusting mechanism according to claim 1, wherein The injection mechanism (700) comprises a second connecting plate (710) and a spray head (720). The second connecting plate (710) is in an "L" shape structure, one end of which is fixed to the rotation mechanism (600) and the other end of which is connected with the spray head (720). The second connecting plate (720) is used to drive the spray head (720) to rotate with the rotation mechanism (600).

6. The carbon dioxide injection optimal position adjusting mechanism according to claim 5, wherein The spray head (720) comprises a liquid inlet pipe (721) and a nozzle (722), which are arranged on the two sides of one end of the second connecting plate (720) respectively, and the liquid inlet end of the liquid inlet pipe (721) is opposite to the injection end of the nozzle (722).

7. The carbon dioxide injection optimal position adjusting mechanism according to claim 1, wherein The partition plate (330) is arranged above the translation module (400) and does not contact the translation module (400), one end of which is fixed to the transmission plate (310) and the other end of which is upwardly curved to separate the dust-free drag chain (340) from the fine adjustment mechanism (500).

8. The carbon dioxide injection optimal position adjusting mechanism according to claim 1, wherein The left and right ends of the lifting module (300) are provided with plug holes (301) arranged at equal intervals; the left and right ends of the transmission plate (310) are provided with positioning plates (350), one end of the positioning plate (350) is fixed to the transmission plate (310), and the other end extends towards the lifting module (300); a positioning groove (351) is formed in the extension of the positioning plate (350), and the positioning plate (350) is used to align the positioning groove (351) with the plug hole (301) when the transmission plate (310) moves on the lifting module (300).

9. The carbon dioxide injection optimal position adjusting mechanism according to claim 8, wherein The length of the positioning groove (351) is not less than the length of at least two plug holes (301).

10. A method of adjusting the optimal position of carbon dioxide injection, characterized by, The method comprises the following steps: S1. Preliminary positioning: shake the handle (221), the trapezoidal lead screw (200) drives the translation module (400) to move on the lifting module (300) until the spraying mechanism (700) moves to the vicinity of the target spraying height, then fix the translation module (400) on the lifting module (300) through the positioning plate (350), and then drive the fine adjustment mechanism (500) to move on the translation module (400) through the translation motor (410) until the spraying mechanism (700) moves to the vicinity of the target spraying position; S2. Precise adjustment: rotate the first knob (520) and the second knob (530), drive the spraying mechanism (700) to translate through the fine adjustment mechanism (500) until the nozzle (720) moves to the precise spraying position, and then rotate the third knob (530), drive the spraying mechanism (700) to rotate through the rotating mechanism (600) until the nozzle (722) is aligned with the target spraying area.

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