Color matching device for advertisement design

Abstract

The utility model relates to the technical field of advertisement design, and discloses a color matching device for advertisement design, which comprises a bottom plate, and further comprises a material injection component, a color matching box body, a color matching box body and a color matching box body, and a temperature control assembly capable of keeping the temperature of the coating in the color matching box body constant is arranged in the heat preservation jacket. According to the utility model, the output quantity of paint in each paint storage tank can be controlled according to actual advertisement design drawing requirements through the material injection assembly, so that required colors can be conveniently obtained through subsequent preparation; coatings in the color matching box body can be fully mixed through the stirring assembly, the phenomenon of raw material precipitation caused by standing of the coatings can be avoided, and color matching work is facilitated; through the temperature control assembly and the heating assembly, the temperature of the coating in the color matching box body can be kept in a constant state, the phenomenon that the thickness of the coating is increased due to too low temperature is avoided, and control over the coating temperature is achieved.

Description

Technical Field

[0001] This utility model relates to the field of advertising design technology, specifically to a color matching device for advertising design. Background Technology

[0002] Advertising design is a combination of five elements: theme, creativity, language, image, and contrast. Its main purpose is to meet a specific need and to inform or promote something to the public through media platforms. Color matching devices are needed in the process of advertising design. By accurately mixing and efficiently utilizing paint, they can help reduce material waste and quickly and accurately mix colors that match the user's needs.

[0003] When using existing color matching devices for advertising design, staff pour various paints required for color matching into a container and then use a motor to drive a stirrer to mix the paints thoroughly. However, since most paints used for painting are made of acrylic paint, acrylic paint will gradually become viscous or even solidify when placed in a low-temperature environment for a long time. This is not conducive to the thorough mixing of paints and makes it difficult to control the paint temperature, which greatly affects the color matching process. Utility Model Content

[0004] The purpose of this invention is to provide a color matching device for advertising design to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a color matching device for advertising design, comprising a base plate, a color matching box on top of the base plate, an insulation jacket fixedly installed on the outside of the color matching box, side plates fixedly connected to both ends of the insulation jacket, the bottom of the side plates connected to the base plate, an electrical control box fixedly connected to one side of one side plate, a controller installed inside the electrical control box, the controller being a PLC controller or an integrated motherboard, a liquid storage tank fixedly installed below one side of the color matching box, the liquid storage tank being fixedly installed on the base plate, a second drive shaft on the top of one side of the color matching box, the second drive shaft being rotatably connected to both side plates, a sealing cover plate fixedly installed on the outside of the second drive shaft, a first support plate above the sealing cover plate, the first support plate being connected to both side plates, and multiple paint storage tanks symmetrically installed on the top of the first support plate, further comprising:

[0006] An injection assembly is installed above the color mixing box to control the output of paint from the paint storage tank. The paint storage tank is connected to a feed pipe at the top. The color mixing box is equipped with a stirring assembly that can mix multiple paints evenly. A discharge port is provided at the bottom of one side of the color mixing box. The injection assembly and the stirring assembly are both connected to the controller terminal via data cables.

[0007] A temperature control component is installed inside the insulation jacket to keep the paint temperature inside the color matching box constant. A heating component is installed inside the liquid storage tank to raise the temperature of the heat transfer fluid. A transmission component is installed on one side of the side plate to quickly adjust the opening and closing state of the sealing cover plate on the top of the color matching box. The temperature control component, heating component, and transmission component are all connected to the controller terminal via data cables.

[0008] Preferably, the injection assembly includes a second support plate disposed above the color matching box, the second support plate being connected to the two end side plates respectively, a discharge pipe being connected to the bottom end of the paint storage tank, a flow control valve being installed inside the top end of the discharge pipe, a spray head being disposed below the discharge pipe, the spray head being fixedly mounted on the second support plate, the bottom end of the discharge pipe being connected to the inlet of the spray head, the outlet of the spray head extending through to the outside of the second support plate, and the flow control valve being connected to the controller terminal via a data cable.

[0009] Preferably, the stirring assembly includes a first drive shaft disposed inside the color matching box. The first drive shaft is rotatably connected to both sides of the inner wall of the color matching box. Multiple stirring blades are symmetrically installed on the outer side of the first drive shaft. A drive motor is fixedly installed on one side of one of the side plates. One end of the first drive shaft passes through the side plate and is connected to the output end of the drive motor. The drive motor is connected to the controller terminal via a data cable.

[0010] Preferably, the temperature control component includes a heat spreader plate fixed to the outer wall of the color matching box, a circulation bend pipe is provided around the heat spreader plate, and multiple heat-conducting fins are symmetrically installed on the outer side of the circulation bend pipe. One side of the heat-conducting fins is connected to the heat spreader plate. One end of the liquid storage tank is connected to an inlet pipe, one end of which passes through an insulation jacket and is connected to the outlet of the circulation bend pipe. A liquid pump is fixedly installed at the other end of the liquid storage tank. The inlet of the liquid pump is connected to the inside of the liquid storage tank, and the outlet of the liquid pump is connected to an outlet pipe, one end of which passes through an insulation jacket and is connected to the inlet of the circulation bend pipe. A liquid temperature sensor is fixedly installed on the inner wall of the color matching box. The liquid temperature sensor and the liquid pump are both connected to the controller terminal via data cables.

[0011] Preferably, the outer side of the circulating bend is provided with a heat insulation layer, and the outer side of the heat insulation layer is provided with a heat insulation layer. The heat insulation layer is made of glass fiber material, and the heat insulation layer is made of polyurethane material.

[0012] Preferably, the heating assembly includes a spiral heating wire fixed inside the liquid storage tank. The liquid storage tank has a liquid guide port on one side at the top and one side at the bottom. Solenoid valves are installed inside the liquid guide ports and the discharge ports. A temperature controller is fixedly installed on the other side of the liquid storage tank. The spiral heating wire is connected in series with the temperature controller via a wire. A suitable maintenance cover is installed at the top opening of the liquid storage tank. The temperature controller and the solenoid valves are both connected to the controller terminal via data cables.

[0013] Preferably, the transmission assembly includes an L-shaped plate fixed to one side of the side plate, a rack on the top of the L-shaped plate, a slider fixedly connected to the bottom of the rack, a groove corresponding to the slider on the top of the L-shaped plate, the slider being located inside the groove, one end of the second transmission shaft passing through to the outside of the side plate and fixedly connected to a gear, the bottom of the gear meshing with the rack, a strip plate vertically mounted on the bottom of one end of the rack, a push-pull cylinder fixedly mounted on the bottom of the L-shaped plate, one end of the push-pull cylinder passing through the L-shaped plate and connected to the strip plate, and the push-pull cylinder being connected to the controller terminal via a data cable.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention uses an injection component to control the amount of paint output from each paint tank according to the actual advertising design and painting requirements, facilitating the subsequent preparation of the desired color; a stirring component ensures thorough mixing of the paints within the color mixing chamber and prevents sedimentation due to static setting, thus promoting color mixing; and a temperature control and heating component maintains a constant paint temperature within the color mixing chamber, preventing increased paint viscosity due to excessively low temperatures, thereby achieving temperature control of the paint. Attached Figure Description

[0016] Figure 1 A schematic diagram of the color matching device for advertising design provided by this utility model;

[0017] Figure 2 A schematic diagram of the rear view structure provided for this utility model;

[0018] Figure 3 A schematic diagram of the stirring assembly structure provided by this utility model;

[0019] Figure 4 A schematic diagram of the heating component structure provided by this utility model;

[0020] Figure 5 A schematic diagram of the temperature control component provided by this utility model;

[0021] Figure 6 A schematic diagram of the transmission component structure provided by this utility model.

[0022] In the diagram: 1. Base plate; 2. Side plate; 3. Color-coated housing; 4. Insulation jacket; 5. Temperature control assembly; 51. Heat spreader plate; 52. Heat-conducting fins; 53. Circulation bend; 54. Inlet pipe; 55. Outlet pipe; 56. Pump; 57. Liquid temperature sensor; 6. Insulation layer; 7. Heat insulation layer; 8. Stirring assembly; 81. Drive motor; 82. First drive shaft; 83. Stirring paddle; 9. Second drive shaft; 10. Sealing cover plate; 11. Transmission assembly; 111. L-shaped plate; 112. Push-pull hydraulic cylinder ; 113. Rack; 114. Strip plate; 115. Gear; 116. Slide groove; 117. Slider; 12. Electrical control box; 13. Liquid storage tank; 14. Heating assembly; 141. Spiral heating wire; 142. Liquid guide port; 143. Inspection cover plate; 144. Temperature controller; 15. First support plate; 16. Paint storage tank; 17. Feed pipe; 18. Injection assembly; 181. Flow control valve; 182. Discharge pipe; 183. Spray head; 184. Second support plate; 19. Discharge port. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-6As shown, a color matching device for advertising design includes a base plate 1, a color matching box 3 on top of the base plate 1, an insulation jacket 4 fixedly installed on the outside of the color matching box 3, and side plates 2 fixedly connected to both ends of the insulation jacket 4. The bottom of the side plates 2 is connected to the base plate 1. An electrical control box 12 is fixedly connected to one side of one of the side plates 2. A controller, which is a PLC controller or an integrated motherboard, is installed inside the electrical control box 12. By setting up the electrical control box 12, it is convenient to centrally manage other electronic components, facilitate the coordination of various electronic components, and improve the level of automation and intelligence. A liquid storage tank 13 is provided below one side of the color matching box 3, and the liquid storage tank 13 is fixedly installed on the base plate 1. 3. A second drive shaft 9 is provided on the top of one side, and the second drive shaft 9 is rotatably connected to the two end side plates 2 respectively. A sealing cover plate 10 is fixedly installed on the outside of the second drive shaft 9. A first support plate 15 is provided above the sealing cover plate 10. The first support plate 15 is connected to the two end side plates 2 respectively. Multiple paint storage tanks 16 are symmetrically installed on the top of the first support plate 15. It also includes: a filling component 18 set above the color mixing box 3 to control the paint output of the paint storage tank 16. By setting the filling component 18, it is convenient for the staff to control the paint output of each paint storage tank 16, so as to prepare the required color according to the actual advertising design and painting needs; the top of the paint storage tank 16 The mixing chamber 3 is connected to a feed pipe 17. Inside the mixing chamber 3, there is a stirring component 8 that can evenly mix various paints. By setting the stirring component 8, the paints can be fully mixed, and the sedimentation of raw materials due to standing can be avoided, which is beneficial to the color matching process. A discharge port 19 is set at the bottom of one side of the mixing chamber 3. The feeding component 18 and the stirring component 8 are connected to the controller terminal via a data cable. Inside the insulation jacket 4, there is a temperature control component 5 that can keep the paint temperature inside the mixing chamber 3 constant. By setting the temperature control component 5, the paint temperature inside the mixing chamber 3 can be kept constant, thus avoiding the increase in paint viscosity due to excessively low temperature. The liquid storage tank 13 is equipped with a heating component 14 that can raise the temperature of the heat transfer fluid. By setting the heating component 14, the heat transfer fluid inside the liquid storage tank 13 can be heated. In conjunction with the temperature control component 5, the heated heat transfer fluid is released from the outside of the color matching box 3, thus keeping the temperature of the paint inside the color matching box 3 constant. A transmission component 11 is provided on one side of the side plate 2, which can quickly adjust the opening and closing state of the top sealing cover 10 of the color matching box 3. By setting the transmission component 11, the top sealing cover 10 of the color matching box 3 can be opened or closed, thus facilitating the loading and unloading of materials. The temperature control component 5, the heating component 14, and the transmission component 11 are all connected to the controller terminal via data cables.

[0025] The filling assembly 18 includes a second support plate 184 positioned above the color matching box 3. The second support plate 184 is connected to the two end side plates 2. A discharge pipe 182 is connected to the bottom of the paint storage tank 16. A flow control valve 181 is installed inside the top of the discharge pipe 182. A spray head 183 is located below the discharge pipe 182 and is fixedly mounted on the second support plate 184. The bottom of the discharge pipe 182 is connected to the inlet of the spray head 183, and the outlet of the spray head 183 extends through to the outside of the second support plate 184. The flow control valve 181 is connected to the controller terminal via a data cable. Figure 1 , Figure 3 As shown, by using the discharge pipe 182 and spray head 183 connected to the bottom of the paint storage tank 16, paints of various colors can be easily input into the color mixing box 3. Then, by setting the flow control valve 181, the paint output can be controlled according to the actual advertising design and painting needs, so as to obtain the required color.

[0026] The mixing assembly 8 includes a first drive shaft 82 disposed inside the color mixing box 3. The first drive shaft 82 is rotatably connected to both sides of the inner wall of the color mixing box 3. Multiple mixing blades 83 are symmetrically mounted on the outer side of the first drive shaft 82. A drive motor 81 is fixedly mounted on one side of one of the side plates 2. One end of the first drive shaft 82 passes through the side plate 2 and is connected to the output end of the drive motor 81. The drive motor 81 is connected to the controller terminal via a data cable. Figure 1 , Figure 3 As shown, the first drive shaft 82 is driven to rotate by the drive motor 81. The first drive shaft 82, through multiple stirring paddles 83 on its outer side, can fully mix the paints inside the color matching box 3. Stirring can also prevent the paints from settling due to standing, which is beneficial to the color matching work.

[0027] Temperature control component 5 includes a heat spreader 51 fixed to the outer wall of color matching box 3. A circulation bend 53 is provided around the heat spreader 51, and multiple heat-conducting fins 52 are symmetrically installed on the outer side of the circulation bend 53. One side of each heat-conducting fin is connected to the heat spreader 51. Figure 5As shown, by setting up the heat spreader 51, the color matching box 3 can be heated more evenly, thus maintaining heat balance in all parts of the color matching box 3. Furthermore, the heat-conducting fins 52 increase the contact area between the circulating bend 53 and the heat spreader 51, which is beneficial for better heat dissipation from the circulating bend 53. Simultaneously, the heat-conducting fins 52 also act as reinforcing ribs, increasing the strength of the color matching box 3 and improving the installation stability of the circulating bend 53. A liquid inlet pipe 54 is connected to one end of the liquid storage tank 13. One end of the pump 54 passes through the insulation jacket 4 and connects to the outlet of the circulation bend 53. A pump 56 is fixedly installed at the other end of the storage tank 13. The inlet of the pump 56 is connected to the inside of the storage tank 13, and the outlet of the pump 56 is connected to an outlet pipe 55. One end of the outlet pipe 55 passes through the insulation jacket 4 and connects to the inlet of the circulation bend 53. A liquid temperature sensor 57 is fixedly installed on the inner wall of the color matching box 3. Both the liquid temperature sensor 57 and the pump 56 are connected to the controller terminal via data cables. Figure 3 , Figure 5 As shown, by setting up a liquid pump 56, a liquid outlet pipe 55, and a liquid inlet pipe 54, the heat transfer liquid can circulate between the circulation bend pipe 53 and the liquid storage tank 13. The circulation bend pipe 53, together with the heat spreader plate 51 and the heat transfer fin plate 52, releases heat from the outside of the color matching box 3, thus keeping the paint temperature constant and avoiding the increase in paint viscosity due to excessively low temperature.

[0028] The outer side of the circulating bend 53 is provided with an insulation layer 6, and the outer side of the insulation layer 6 is provided with a heat insulation layer 7. The heat insulation layer 7 is made of fiberglass material, and the insulation layer 6 is made of polyurethane material. Figure 5 As shown, by setting the insulation layer 6 and the heat insulation layer 7, the heat exchange rate between the circulating bend 53 and the external environment of the insulation jacket 4 can be reduced, thus slowing down heat loss and resource waste.

[0029] The heating assembly 14 includes a spiral heating wire 141 fixed inside the liquid storage tank 13. Liquid guide ports 142 are provided on both the top and bottom of one side of the liquid storage tank 13. Solenoid valves are installed inside the liquid guide ports 142 and the discharge port 19. A temperature controller 144 is fixedly installed on the other side of the liquid storage tank 13. The spiral heating wire 141 is connected in series with the temperature controller 144 via a wire. A suitable maintenance cover 143 is installed at the top opening of the liquid storage tank 13. The temperature controller 144 and the solenoid valves are all connected to the controller terminal via data cables. Figure 2 , Figure 4 As shown, the heating power of the spiral heating wire 141 can be adjusted by the temperature controller 144. Then, the heat-conducting liquid inside the liquid storage tank 13 can be heated by the spiral heating wire 141. With the help of the temperature control component 5, the heated heat-conducting liquid can release heat from the outside of the color matching box 3, thus achieving the temperature control effect.

[0030] The transmission assembly 11 includes an L-shaped plate 111 fixed to one side of the side plate 2. A rack 113 is provided on the top of the L-shaped plate 111, and a slider 117 is fixedly connected to the bottom of the rack 113. A groove 116 corresponding to the slider 117 is opened on the top of the L-shaped plate 111, and the slider 117 is located inside the groove 116. One end of the second transmission shaft 9 extends through to the outside of the side plate 2 and is fixedly connected to a gear 115. The bottom of the gear 115 meshes with the rack 113. A strip plate 114 is vertically installed at the bottom of one end of the rack 113. A push-pull cylinder 112 is fixedly installed at the bottom of the L-shaped plate 111. One end of the push-pull cylinder 112 passes through the L-shaped plate 111 and connects to the strip plate 114. The push-pull cylinder 112 is connected to the controller terminal via a data cable. Figure 2 , Figure 6 As shown, the push-pull cylinder 112 drives the rack 113 to slide back and forth along the length of the L-shaped plate 111. The rack 113 then drives the outer sealing cover 10 of the second transmission shaft 9 to rotate through the gear 115. After the filling assembly 18 has finished working, the sealing cover 10 can prevent heat from being dissipated from the inside of the color matching box 3. This allows for quick adjustment of the opening and closing state of the sealing cover 10 on the top of the color matching box 3, which is convenient for the staff to load and unload materials.

[0031] Working principle: First, the staff can control the output of paint in each paint tank 16 according to the actual advertising design and painting requirements through the injection component 18, which is convenient for subsequent preparation of the required color. Then, the stirring component 8 can make the paints in the color mixing box 3 fully mixed and avoid the phenomenon of raw material sedimentation due to the paint standing, which is conducive to the color matching work. During this process, the temperature control component 5 and the heating component 14 can keep the paint temperature in the color mixing box 3 at a constant state, avoiding the increase of paint viscosity due to excessively low temperature, thus realizing the control of paint temperature.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A color matching device for advertising design, comprising a base plate (1), characterized in that, A color matching box (3) is provided above the base plate (1). An insulation jacket (4) is fixedly installed on the outside of the color matching box (3). Side plates (2) are fixedly connected to both ends of the insulation jacket (4). The bottom of the side plates (2) is connected to the base plate (1). An electrical control box (12) is fixedly connected to one side of one of the side plates (2). A controller is installed inside the electrical control box (12). The controller is a PLC controller or an integrated motherboard. A liquid storage tank (13) is provided below one side of the color matching box (3). The box body (13) is fixedly installed on the base plate (1). A second drive shaft (9) is provided on the top of one side of the color matching box body (3). The second drive shaft (9) is rotatably connected to the two end side plates (2). A sealing cover plate (10) is fixedly installed on the outside of the second drive shaft (9). A first support plate (15) is provided above the sealing cover plate (10). The first support plate (15) is connected to the two end side plates (2). Multiple paint storage tanks (16) are symmetrically installed on the top of the first support plate (15). It also includes: An injection assembly (18) is installed above the color matching box (3) to control the amount of paint output inside the paint storage tank (16). The paint storage tank (16) is connected to the top of the inlet pipe (17). The color matching box (3) is equipped with a stirring assembly (8) that can mix multiple paints evenly. The bottom of one side of the color matching box (3) is provided with a discharge port (19). The injection assembly (18) and the stirring assembly (8) are both connected to the controller terminal via a data cable. A temperature control component (5) is installed inside the insulation jacket (4) to keep the paint temperature inside the color matching box (3) constant. A heating component (14) is installed inside the liquid storage tank (13) to raise the temperature of the heat transfer liquid. A transmission component (11) is installed on one side of the side plate (2) to quickly adjust the opening and closing state of the sealing cover (10) on the top of the color matching box (3). The temperature control component (5), the heating component (14), and the transmission component (11) are all connected to the controller terminal via a data cable.

2. The color matching device for advertising design according to claim 1, characterized in that: The injection assembly (18) includes a second support plate (184) disposed above the color matching box (3). The second support plate (184) is connected to the two end side plates (2) respectively. The bottom end of the paint storage tank (16) is connected to a discharge pipe (182). A flow control valve (181) is installed inside the top end of the discharge pipe (182). A spray head (183) is provided below the discharge pipe (182). The spray head (183) is fixedly installed on the second support plate (184). The bottom end of the discharge pipe (182) is connected to the inlet of the spray head (183). The outlet of the spray head (183) extends through to the outside of the second support plate (184). The flow control valve (181) is connected to the controller terminal via a data cable.

3. The color matching device for advertising design according to claim 1, characterized in that: The stirring assembly (8) includes a first drive shaft (82) disposed inside the color matching box (3). The first drive shaft (82) is rotatably connected to both sides of the inner wall of the color matching box (3). Multiple stirring paddles (83) are symmetrically installed on the outer side of the first drive shaft (82). A drive motor (81) is fixedly installed on one side of one of the side plates (2). One end of the first drive shaft (82) passes through the side plate (2) and is connected to the output end of the drive motor (81). The drive motor (81) is connected to the controller terminal via a data cable.

4. The color matching device for advertising design according to claim 1, characterized in that: The temperature control component (5) includes a heat spreader (51) fixed to the outer wall of the color matching box (3). A circulation bend (53) is provided around the heat spreader (51). Multiple heat-conducting fins (52) are symmetrically installed on the outer side of the circulation bend (53). One side of the heat-conducting fins (52) is connected to the heat spreader (51). One end of the liquid storage tank (13) is connected to an inlet pipe (54). One end of the inlet pipe (54) passes through the insulation jacket (4) and is connected to the outlet of the circulation bend (53). A liquid pump (56) is fixedly installed at the other end of the housing (13). The inlet of the liquid pump (56) is connected to the inside of the storage tank (13). The outlet of the liquid pump (56) is connected to an outlet pipe (55). One end of the outlet pipe (55) passes through the insulation jacket (4) and is connected to the inlet of the circulation bend pipe (53). A liquid temperature sensor (57) is fixedly installed on the inner wall of the color matching housing (3). The liquid temperature sensor (57) and the liquid pump (56) are both connected to the controller terminal via a data cable.

5. The color matching device for advertising design according to claim 4, characterized in that: The circulating bend (53) is provided with an insulation layer (6) on the outside, and a heat insulation layer (7) is provided on the outside of the insulation layer (6). The heat insulation layer (7) is made of glass fiber material, and the insulation layer (6) is made of polyurethane material.

6. The color matching device for advertising design according to claim 1, characterized in that: The heating assembly (14) includes a spiral heating wire (141) fixed inside the liquid storage tank (13). The liquid storage tank (13) has a liquid guide port (142) on one side top and one side bottom. Solenoid valves are installed inside the liquid guide port (142) and the discharge port (19). A temperature controller (144) is fixedly installed on the other side of the liquid storage tank (13). The spiral heating wire (141) is connected in series with the temperature controller (144) through a wire. A maintenance cover plate (143) is installed at the top opening of the liquid storage tank (13). The temperature controller (144) and the solenoid valve are connected to the controller terminal through a data cable.

7. The color matching device for advertising design according to claim 1, characterized in that: The transmission assembly (11) includes an L-shaped plate (111) fixed to one side of the side plate (2). A rack (113) is provided on the top of the L-shaped plate (111). A slider (117) is fixedly connected to the bottom of the rack (113). A groove (116) corresponding to the slider (117) is opened on the top of the L-shaped plate (111). The slider (117) is located inside the groove (116). One end of the second transmission shaft (9) extends through to the outside of the side plate (2). A gear (115) is fixedly connected to the part, and the bottom of the gear (115) meshes with the rack (113). A strip plate (114) is vertically installed at the bottom of one end of the rack (113). A push-pull cylinder (112) is fixedly installed at the bottom of the L-shaped plate (111). One end of the push-pull cylinder (112) passes through the L-shaped plate (111) and is connected to the strip plate (114). The push-pull cylinder (112) is connected to the controller terminal through a data cable.

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