Engine cylinder body blow-drying device

Abstract

The utility model belongs to the technical field of cylinder cover grinding, and discloses an engine cylinder block blow-drying device which comprises a working platform, an air outlet assembly and a wiping assembly. The air outlet assembly comprises a fan, an interlayer shell and a plurality of air pipes, the fan is arranged on the supporting frame, the interlayer shell is arranged on the working platform, and the air pipes are connected with the fan and symmetrically distributed in the interlayer shell at equal intervals; the wiping assembly comprises a driving part, a first wiping wheel set, a second wiping wheel set and a third wiping wheel set, one end of the driving part penetrates through the interlayer shell to be connected with the supporting frame, the other end of the driving part is connected with the third wiping wheel set, and the third wiping wheel set can be driven to ascend, descend and rotate; the first wiping wheel set and the second wiping wheel set are rotationally connected to the inner wall of the interlayer shell. The surface and the holes are wiped, so that no water stain exists in the surface and the holes, and then the surface and the holes are dried through wind, and the problems that due to the fact that liquid in the holes is difficult to dry, part of water remains in the cylinder cover, and the cylinder cover is prone to corrosion during storage are solved.

Description

Technical Field

[0001] This utility model belongs to the field of cylinder head drying technology, specifically relating to an engine cylinder block drying device. Background Technology

[0002] During the machining of engine blocks and cylinder heads, specialized cleaning equipment is required to remove chips, burrs, and flash from their internal cavities, while also removing residual cutting fluid to ensure cleanliness. This type of cleaning equipment typically includes two main processes: cleaning and drying. The drying process usually involves using compressed air in a blower to remove cleaning fluid and foreign matter from the workpiece. During the blowing process, it is crucial to ensure both sufficient blowing time and adequate space for movement and rotation of the cylinder block and cylinder head.

[0003] Among existing devices, for example, Chinese invention patent CN107843087A discloses a drying device for engine cylinder heads. This device can blow air onto the engine cylinder head while it is rotating, achieving multi-directional drying and improving work efficiency. Its structure includes a drying chamber with a storage tank. The left end of the storage tank is rotatably connected to the side wall of the drying chamber via a first rotating shaft, and the right end is fixedly connected to the motor shaft of a motor reducer via a second rotating shaft. A blower is located at the top of the drying chamber, with its air duct extending into the chamber. An air inlet is located at the upper end of the blower. A steel wire rope is attached to the storage tank.

[0004] However, engine cylinder heads have several air intake and exhaust holes. During the drying process, it is difficult to completely dry the liquid inside these holes, leaving some moisture inside the cylinder head. This moisture can easily cause corrosion during storage, affecting performance and reducing lifespan. Thorough drying requires extended drying time, reducing labor efficiency and wasting energy. Summary of the Invention

[0005] Based on this, this application provides an engine cylinder block drying device to solve the problem that it is difficult to dry the liquid in the holes, resulting in some moisture remaining in the cylinder head, which can easily cause cylinder head corrosion during storage, affecting performance and reducing service life, and that it is necessary to extend the drying time when thoroughly drying, thus reducing labor efficiency.

[0006] The technical solution to the above-mentioned technical problems in this application is as follows:

[0007] An engine block drying device, comprising:

[0008] The system comprises a working platform, an air outlet assembly, and a wiping assembly. The working platform is equipped with a support frame. The air outlet assembly includes a fan, a sandwich shell, and several air ducts. The fan is mounted on the support frame, and the sandwich shell is mounted on the working platform. The air inlets of the several air ducts are all connected to the air outlets of the fan. The air outlets of the several air ducts are symmetrically and equidistantly distributed within the sandwich shell and penetrate its inner wall. The wiping assembly includes a drive component, a first wiping wheel assembly, a second wiping wheel assembly, and at least one third wiping wheel assembly. One end of the drive component penetrates the sandwich shell and connects to the support frame, while the other end connects to the third wiping wheel assembly, enabling it to drive the third wiping wheel assembly to rise, fall, and rotate. The first and second wiping wheel assemblies are rotatably connected to the inner wall of the sandwich shell and can slide vertically up and down. The first and second wiping wheel assemblies are symmetrically arranged on both sides of the drive component.

[0009] Preferably, the driving component includes a rotating rod and a telescopic rod. One end of the rotating rod is rotatably connected to the support frame, and the other end is sleeved on one end of the telescopic rod. The telescopic rod is in a limiting fit with the rotating rod, and the telescopic rod can slide up and down in the vertical direction. The other end of the telescopic rod is connected to the third wiping wheel assembly.

[0010] Preferably, the third wiping wheel assembly includes a base and rollers. The base is disposed at one end of the telescopic rod, the rollers are eccentrically disposed on the base, and the outer side of the rollers is wrapped with a water-absorbing sleeve.

[0011] Preferably, a push rod is provided on the base, one end of the push rod is fixedly connected to the base, and the other end of the push rod is rotatably connected to the roller. The push rod can reciprocate in the horizontal direction, and the roller is in sliding engagement with the base.

[0012] Preferably, at least one sliding block is provided at both ends of the first wiping wheel group and the second wiping wheel group, and a sliding groove is provided on the sandwich shell, the sliding block extends into the sliding groove and can slide up and down along the sliding groove.

[0013] Preferably, the sliding block extends out of the groove, and a cylinder is provided on the sliding block. The other end of the cylinder is connected to the sandwich shell and can drive the sliding block to slide up and down in the vertical direction.

[0014] Preferably, a spring is provided on the upper end face of the sliding block, and the other end of the spring is connected to one end of the slide groove; flexible triangular sleeves are provided at both ends of the sliding block, and the flexible triangular sleeves are used to push the sliding block to move up and down along the slide groove.

[0015] Preferably, the air outlet of the fan is provided with a gas splitter, and the air outlet of the gas splitter is connected to the air inlet of the air duct.

[0016] Preferably, a temperature control box is provided between the fan and the gas distributor, and the temperature control box is used to adjust the temperature of the air at the fan outlet.

[0017] Preferably, the base is provided with a plurality of through holes, and the through holes are connected to the air outlet pipe of the fan.

[0018] The technical solution adopted in this application can achieve the following beneficial effects:

[0019] 1. By wiping the surface and holes to ensure no water stains remain, and then drying with air, the problem of residual moisture inside the cylinder head, which is difficult to dry completely, is solved. This prevents the cylinder head from rusting during storage, affecting performance and reducing service life. Thorough drying requires extended drying time, reducing labor efficiency and wasting energy.

[0020] 2. By wiping first and then blowing dry, the drying process is made more convenient and faster. At the same time, the surface and the holes are dried in the same way, thus ensuring that the surface and the holes have the same moisture content after drying.

[0021] 3. By drying the engine cylinder head, the first, second, and third wiping roller sets are also dried, thus solving the problem of poor wiping effect caused by excessive wiping of the first, second, and third wiping roller sets. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the engine block drying device of this application.

[0023] Figure 2 This is a schematic diagram of another embodiment of the engine block drying device of this application.

[0024] Figure 3 This is a partial schematic diagram of the engine block drying device of this application. Figure 1 .

[0025] Figure 4 This is a partial schematic diagram of the engine block drying device of this application. Figure 2 .

[0026] Figure 5 This is a partial exploded view of the engine block drying device of this application.

[0027] Figure 6 for Figure 5 A bottom view.

[0028] In the figure: working platform 100, support frame 110, air outlet assembly 200, fan 210, temperature control box 212, sandwich shell 220, slide 221, air duct 230, wiping assembly 300, driving component 310, rotating rod 311, telescopic rod 312, first wiping wheel group 320, second wiping wheel group 330, sliding block 331, cylinder 332, spring 333, flexible triangular protective sleeve 334, third wiping wheel group 340, base 341, roller 342, water suction sleeve 343, push rod 344. Detailed Implementation

[0029] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application.

[0030] It should be noted that when an element is referred to as being "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "end," "top," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] Please see Figures 1 to 6This application provides an engine block drying device including a working platform 100, an air outlet assembly 200, and a wiping assembly 300. A support frame 110 is mounted on the working platform 100. The air outlet assembly 200 includes a fan 210, a sandwich shell 220, and several air ducts 230. The fan 210 is mounted on the support frame 110, and the sandwich shell 220 is mounted on the working platform 100. The air inlets of the several air ducts 230 are all connected to the air outlets of the fan 210, and the air outlets of the several air ducts 230 are symmetrically and equidistantly distributed within the sandwich shell 220 and penetrate the inner wall of the sandwich shell 220. The wiping assembly 300 includes a driving component. 310. A first wiping wheel assembly 320, a second wiping wheel assembly 330, and at least one third wiping wheel assembly 340. One end of the driving member 310 passes through the sandwich shell 220 and is connected to the support frame 110, and the other end is connected to the third wiping wheel assembly 340, which can drive the third wiping wheel assembly 340 to rise, fall, and rotate. The first wiping wheel assembly 320 and the second wiping wheel assembly 330 are both rotatably connected to the inner wall of the sandwich shell 220. The first wiping wheel assembly 320 and the second wiping wheel assembly 330 can slide up and down in the vertical direction, and the first wiping wheel assembly 320 and the second wiping wheel assembly 330 are symmetrically arranged on both sides of the driving member 310.

[0033] Specifically, the work platform 100 adopts, but is not limited to, a roller-type transport mechanism. The opposite sides of the work platform 100 use support frames 110 made of steel pipes, plates, etc. The sandwich shell 220 is n-shaped and can be detachably connected to the opposite sides of the work platform 100 by bolts or other means. The fan 210 adopts existing or commercially available blowers, air boxes, etc., and is bolted to the top or one side of the support frame 110. The air duct 230 is a round pipe and is connected to the fan 210. The air duct 230 is arranged in an even number of rows. Taking six rows as an example, two rows are symmetrically arranged on the top of the sandwich shell 220, and two rows are also symmetrically arranged on both sides of the sandwich shell 220. The air duct 230 is arranged in the sandwich of the sandwich shell 220, and the air outlet of the air duct 230 extends out of the inner wall of the sandwich shell 220.

[0034] The drive unit 310 employs devices such as telescopic hydraulic cylinders, telescopic air cylinders, and rotary motors. The telescopic hydraulic cylinders enable vertical sliding, while the rotary motors enable rotation. Both the first wiping wheel group 320 and the second wiping wheel group 330 include several rollers covered with flexible materials such as sponge or cotton cloth that have good water absorption. The rollers are rotatably connected to the frame via bearings, shafts, etc. The frame is connected to the opposite sidewalls of the sandwich shell 220 via springs, push rods, etc., thereby enabling the first wiping wheel group 320 and the second wiping wheel group 330 to slide vertically. The first wiping wheel group 320 is positioned on one side of the third wiping wheel group 340, while the second wiping wheel group 330 is positioned on the side of the third wiping wheel group 340 away from the first wiping wheel group 320. Furthermore, the arrangement directions of both the first wiping wheel group 320 and the second wiping wheel group 330 are perpendicular to the length direction of the sandwich shell 220.

[0035] The third wiping wheel assembly 340 uses, but is not limited to, brush wheels, sponge strips, etc., which slide up and down under the drive of the drive component 310 and rotate along the inner wall of the hole in the engine cylinder head to wipe. Similarly, if there are many holes on the engine cylinder head, a corresponding number of drive components 310 and third wiping wheel assemblies 340 can be set to achieve simultaneous wiping of multiple holes.

[0036] Furthermore, the cleaned engine cylinder head is placed on the work platform 100. Through the transport of the work platform 100, the engine cylinder head enters the sandwich shell 220. The first wiping wheel set 320 wipes its surface. When the engine cylinder head reaches below the third wiping wheel set 340, the drive member 310 drives the third wiping wheel set 340 to descend and extend into the hole. Then, the drive member 310 rotates to drive the third wiping wheel set 340 to rotate and wipe the inner wall of the hole. After wiping, the engine cylinder head continues to move and the second wiping wheel set 330 performs a second surface wiping. During the wiping process, the fan 210 continuously blows it dry through the air duct 230.

[0037] The technical solution of the engine block drying device adopted in this application can achieve the following beneficial effects:

[0038] 1. By wiping the surface and holes to ensure no water stains remain, and then drying with air, the problem of residual moisture inside the cylinder head, which is difficult to dry completely, is solved. This prevents the cylinder head from rusting during storage, affecting performance and reducing service life. Thorough drying requires extended drying time, reducing labor efficiency and wasting energy.

[0039] 2. By wiping first and then blowing dry, the drying process is made more convenient and faster. At the same time, the surface and the holes are dried in the same way, thus ensuring that the surface and the holes have the same moisture content after drying.

[0040] 3. By drying the engine cylinder head, the first wiping wheel assembly 320, the second wiping wheel assembly 330, and the third wiping wheel assembly 340 are also dried, thus solving the problem of poor wiping effect caused by excessive wiping of the first wiping wheel assembly 320, the second wiping wheel assembly 330, and the third wiping wheel assembly 340.

[0041] Based on the above solution, in order to solve the problems of rotation and extension, the driving component 310 includes a rotating rod 311 and a telescopic rod 312. One end of the rotating rod 311 is rotatably connected to the support frame 110, and the other end is sleeved on one end of the telescopic rod 312. The telescopic rod 312 is in a limiting fit with the rotating rod 311, and the telescopic rod 312 can slide up and down in the vertical direction. The other end of the telescopic rod 312 is connected to the third wiping wheel assembly 340.

[0042] Specifically, one end of the rotating rod 311 is rotatably connected to the support frame 110 via a bearing. A gear plate is mounted on the rotating rod 311, and a first motor is mounted on the support frame 110. The first motor meshes with the gear plate, and the rotation of the rotating rod 311 is achieved by activating the first motor. A groove is provided on the inner wall of the rotating rod 311, and a protrusion is provided on the outer wall of the telescopic rod 312. The protrusion and the groove are mutually restrictive, and the telescopic rod 312 can slide vertically by means of a cylinder 332 or a hydraulic cylinder. The rotation of the rotating rod 311 is achieved by the meshing of the first motor with the gear plate, making it simpler and more convenient. By means of a cylinder 332 or a hydraulic cylinder and the cooperation between the groove and the protrusion, the rotation of the rotating rod 311 can drive the rotation of the telescopic rod 312, making the operation simpler and more convenient.

[0043] In one embodiment of this application, the third wiping wheel assembly 340 includes a base 341 and a roller 342. The base 341 is disposed at one end of the telescopic rod 312, the roller 342 is eccentrically disposed on the base 341, and the outer side of the roller 342 is wrapped with a water-absorbing sleeve 343.

[0044] Specifically, the base 341 is disc-shaped or cylindrical, and the roller 342 is mounted on the base 341 and is eccentrically positioned. It can be fixed to the base 341 by bolts through threaded holes evenly spaced on the radius of the base 341. The roller 342 is fixed by bearings and can rotate. A water-absorbing sleeve 343 made of absorbent sponge, cotton cloth, etc., is wrapped around the roller 342, and part of the circumference of the water-absorbing sleeve 343 extends beyond the circumference of the base 341. The position of the roller 342 is adjusted so that the outer wall of the water-absorbing sleeve 343 fits against the inner wall of the hole. The base 341 slides into the hole under the action of the telescopic rod 312. The rotating rod 311 rotates, causing the water-absorbing sleeve 343 to rotate along the inner wall of the hole, thereby wiping the inner wall of the hole. The applicability is improved by adjusting the position of the roller 342 by setting the base 341; the operation is simpler and more convenient by wiping the inner wall of the hole by using the water-absorbing sleeve 343; and the drying efficiency is improved by blowing the inner wall of the hole after wiping by the air duct 230.

[0045] In the preferred scheme based on the above scheme, in order to improve the convenience of operation, a push rod 344 is provided on the base 341. One end of the push rod 344 is fixedly connected to the base 341, and the other end of the push rod 344 is rotatably connected to the roller 342. The push rod 344 can reciprocate in the horizontal direction, and the roller 342 is in sliding cooperation with the base 341.

[0046] A frustum is positioned at the center of the lower end face of the base 341. One end of the push rod 344 is positioned on the periphery of the frustum. The push rod 344 uses pneumatic, hydraulic, or electric power. A long, narrow groove is provided on the lower end face of the base 341, and the groove coincides with one radius of the base 341. A cylindrical boss is provided at one end of the roller 342, and the boss is matched with the groove for limiting. The other end of the push rod 344 is connected to the roller 342 via a bearing or sleeve. Similarly, an absorbent sleeve 343 made of sponge or cotton cloth is provided on the roller 342 (the lengths of the roller 342 and the absorbent sleeve 343 are the same and both are larger than the length of the push rod 344). The depth of the hole in the engine cylinder head); the telescopic rod 312 (the control switches for the telescopic rod 312, the rotating rod 311 and the push rod 344 can all be set on one side of the support frame 110, and the start and stop can be controlled by the operator's observation) moves downward into the hole, and the push rod 344 drives the roller 342 to slide from the center of the base 341 to the direction away from the center of the base 341 until it is in close contact with the inner wall of the hole. The rotating rod 311 is turned on to make the base 341 and the roller 342 rotate, thereby wiping the inner wall of the hole. The operation is simpler and more convenient, solving the problem of inconsistent hole diameter and difficulty in replacing the roller 342.

[0047] In another embodiment of this application, at least one sliding block 331 is provided at both ends of the first wiping wheel group 320 and the second wiping wheel group 330, and a sliding groove 221 is provided on the sandwich shell 220. The sliding block 331 extends into the sliding groove 221 and can slide up and down along the sliding groove 221.

[0048] Specifically, both the first wiping wheel assembly 320 and the second wiping wheel assembly 330 are composed of several wiping wheels arranged together. The two ends of the several wiping wheels are rotatably connected together by means of a fixed frame and bearings, so as to form a whole. The sliding block 331 includes a fixed frame and a locking block protruding from the fixed frame. Three locking blocks are provided and evenly distributed on the fixed frame. Similarly, three sliding grooves 221 with the same number and corresponding positions as the locking blocks are provided on the side wall of the sandwich shell 220. By setting one of the following methods, such as a cylinder 332, a pull rope, or a spring 333, at the top of the sliding groove 221, and connecting the other end to the upper end face of the locking block, the entire sliding block 331 can move up and down. By moving the locking block up and down, the first wiping wheel assembly 320 and the second wiping wheel assembly 330 can be moved, solving the problem of different wiping positions due to different cylinder head heights of different engines.

[0049] Please see Figure 2 In one embodiment of the above embodiments, the sliding block 331 extends out of the sliding groove 221, and a cylinder 332 is provided on the sliding block 331. The other end of the cylinder 332 is connected to the sandwich shell 220 and can drive the sliding block 331 to slide up and down in the vertical direction.

[0050] By extending the locking blocks in the sliding block 331 out of the sliding groove 221, and setting a cylinder 332 on each locking block, with the other end of the cylinder 332 set on the sandwich shell 220, the locking blocks are driven to move up and down by the cylinder 332. Preferably, the locking blocks extending out of the sliding groove 221 in the sliding block 331 are connected by a connecting rod, and the connecting rod is connected into a whole by an n-shaped frame. A cylinder 332 is set on the top of the sandwich shell 220, and the other end of the cylinder 332 is connected to the middle of the n-shaped frame. The n-shaped frame is driven to move up and down by the cylinder 332, thereby driving the sliding block 331 to move up and down. The operation is simple and convenient, and solves the problem of inconsistent lifting caused by too many cylinders 332.

[0051] In the above embodiments, a preferred implementation is that a spring 333 is provided on the upper end face of the sliding block 331, and the other end of the spring 333 is connected to one end of the slide groove 221; flexible triangular sleeves 334 are provided at both ends of the sliding block 331, and the flexible triangular sleeves 334 are used to push the sliding block 331 to move up and down along the slide groove 221.

[0052] The fixing frame in the sliding block 331 is a rectangular plate, with both ends of the fixing frame extending beyond the ends of the first wiping wheel assembly 320 or the second wiping wheel assembly 330. The bottom of the fixing frame is higher than the lowest point of the first wiping wheel assembly 320 or the second wiping wheel assembly 330. The width of the sandwich shell 220 is greater than the width of the largest engine cylinder head. Flexible triangular sleeves 334 are fitted at both ends of the fixing frame, with two opposing flexible triangular sleeves 334 arranged in an inverted V-shape. The flexible triangular sleeves 334 are made of materials such as rubber and silicone, and their arrangement direction is parallel to that of the first wiping wheel assembly 320 or the second wiping wheel assembly 330. A spring 333 is provided on each snap-fit ​​block in the sliding block 331. The other end of the spring 333... The end is connected to the top of the slide groove 221. When the engine cylinder head moves on the working platform 100, the front end of the engine cylinder head contacts the flexible triangular sleeve 334 located at the front end of the first wiping wheel group 320 or the second wiping wheel group 330. The engine cylinder head advances along the slope of the flexible triangular sleeve 334 and pushes the flexible triangular sleeve 334 upward, thereby compressing the spring 333 and driving the entire sliding block 331 and the first wiping wheel group 320 or the second wiping wheel group 330 to move upward. When the engine cylinder head is fully within the wiping range of the first wiping wheel group 320 or the second wiping wheel group 330, the spring 333 partially returns to its original position and makes the wiping wheel contact the engine cylinder head, wiping it. When the engine cylinder head is wiped, the spring 333 fully returns to its original position and returns to its initial state. By pushing the flexible triangular sleeve 334 by the engine cylinder head, the problem of insufficient wiping due to the large influence of human operation is solved, and the labor is reduced, making the operation simpler and more convenient.

[0053] Based on the above scheme, a gas distributor is provided at the air outlet of the fan 210, and the air outlet of the gas distributor is connected to the air inlet of the air duct 230. A temperature control box 212 is provided between the fan 210 and the gas distributor, and the temperature control box 212 is used to regulate the temperature of the air at the air outlet of the fan 210. The temperature control box 212 adopts, but is not limited to, a heater, a heating grid, or other heating equipment. The fan 210 blows air through the temperature control box 212 to heat the air before it is distributed to each air duct 230 by the gas distributor. By setting up the gas distributor, the number of fans 210 is reduced, and the air is heated to improve the drying efficiency.

[0054] In another embodiment of this application, the base 341 is provided with several through holes, and the through holes are connected to the air outlet pipe of the fan 210. A recess is provided at the center of the base 341, and the through holes communicate with the recess. Ventilation holes are provided inside the rotating rod 311 and the telescopic rod 312, and pipes are provided in the ventilation holes. The pipes pass through the top of the support frame 110 and are connected to the gas distributor. Air is blown out from the gas distributor, enters the recess of the base 341 along the pipe, and is blown out from the through holes. When the base 341 rotates to wipe the inner wall of the hole, the air blown out from the through holes dries the inner wall of the hole, thereby improving the drying efficiency.

[0055] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An engine block drying device, characterized in that, include: A work platform, wherein a support frame is provided on the work platform; An air outlet assembly includes a fan, a sandwich shell, and several air ducts. The fan is mounted on the support frame, the sandwich shell is mounted on the working platform, and the air inlets of the several air ducts are all connected to the air outlets of the fan. The air outlets of the several air ducts are symmetrically and equidistantly distributed within the sandwich shell and penetrate the inner wall of the sandwich shell. as well as The wiping assembly includes a drive unit, a first wiping wheel group, a second wiping wheel group, and at least one third wiping wheel group. One end of the drive unit passes through the sandwich shell and is connected to the support frame, while the other end is connected to the third wiping wheel group, enabling the third wiping wheel group to move up and down and rotate. The first wiping wheel group and the second wiping wheel group are both rotatably connected to the inner wall of the sandwich shell. Both the first wiping wheel group and the second wiping wheel group can slide up and down in the vertical direction, and the first wiping wheel group and the second wiping wheel group are symmetrically arranged on both sides of the drive unit.

2. The engine block drying device according to claim 1, characterized in that, The driving component includes a rotating rod and a telescopic rod. One end of the rotating rod is rotatably connected to the support frame, and the other end is sleeved on one end of the telescopic rod. The telescopic rod is in a limiting fit with the rotating rod, and the telescopic rod can slide up and down in the vertical direction. The other end of the telescopic rod is connected to the third wiping wheel assembly.

3. The engine block drying device according to claim 2, characterized in that, The third wiping wheel assembly includes a base and rollers. The base is located at one end of the telescopic rod, the rollers are eccentrically located on the base, and the outer side of the rollers is wrapped with a water-absorbing sleeve.

4. The engine block drying device according to claim 3, characterized in that, A push rod is provided on the base. One end of the push rod is fixedly connected to the base, and the other end of the push rod is rotatably connected to the roller. The push rod can reciprocate in the horizontal direction, and the roller is in sliding engagement with the base.

5. The engine block drying device according to claim 1, characterized in that, At least one sliding block is provided at both ends of the first wiping wheel group and the second wiping wheel group. A sliding groove is provided on the sandwich shell. The sliding block extends into the sliding groove and can slide up and down along the sliding groove.

6. The engine block drying device according to claim 5, characterized in that, The sliding block extends out of the groove, and a cylinder is provided on the sliding block. The other end of the cylinder is connected to the sandwich shell and can drive the sliding block to slide up and down in the vertical direction.

7. The engine block drying device according to claim 5, characterized in that, A spring is provided on the upper end face of the sliding block, and the other end of the spring is connected to one end of the slide groove; flexible triangular sleeves are provided at both ends of the sliding block, and the flexible triangular sleeves are used to push the sliding block to move up and down along the slide groove.

8. The engine block drying device according to claim 1, characterized in that, The fan outlet is equipped with a gas splitter, and the outlet of the gas splitter is connected to the inlet of the air duct.

9. The engine block drying device according to claim 8, characterized in that, A temperature control box is provided between the fan and the gas distributor, and the temperature control box is used to adjust the temperature of the air at the fan outlet.

10. The engine block drying device according to claim 3, characterized in that, The base is provided with several through holes, and the through holes are connected to the air outlet pipe of the fan.

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