EVA foam sheet raw material mixing machine

By introducing a crushing blade and a discharge assembly controlled by a return spring into the EVA foam sheet mixer, the problems of uneven mixing and overflow were solved, thereby improving the production quality and stability of EVA foam sheets.

CN223904388UActive Publication Date: 2026-02-13JIANGMEN WEIJIALI SHOES MATERIAL CO LTD
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Patent Information

Application Number
CN202423127120.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2026-02-13
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing EVA foam sheet raw material mixers are unable to effectively crush large-volume raw materials, resulting in uneven mixing. At the same time, the raw material in the receiving cylinder is prone to overflow or insufficient, affecting production quality and efficiency.

Method used

The design incorporates a mixing assembly consisting of a crushing blade and a discharge assembly. The crushing blade drives the crushing of large pieces of raw material via a driven shaft, while the discharge assembly controls the opening and closing of the receiving cylinder via a return spring, ensuring uniform mixing of the raw material and preventing overflow.

Benefits of technology

This process achieves uniform mixing of EVA foam sheet raw materials, improves production quality, prevents overflow or insufficient raw materials in the receiving cylinder, and enhances production stability and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an EVA (Ethylene Vinyl Acetate) foam sheet raw material mixing machine and relates to the technical field of material mixing. The device comprises a mixing frame, a mixing assembly is arranged in the mixing frame, the mixing assembly comprises a crushing cutter connected to the peripheral side wall of a driven shaft, the two ends of the driven shaft are rotationally connected with the side wall of the mixing frame, and the driven shaft is parallel to the mixing frame; a discharging assembly is arranged below the mixing frame, the discharging assembly comprises a rotating plate arranged above a base plate, the base plate is arranged below the side of the mixing frame, a material receiving barrel is arranged in a positioning hole formed in the upper surface of the rotating plate in a sleeved mode, and lifting handles are symmetrically connected to the peripheral side wall of the material receiving barrel. According to the device, the mixing assembly is arranged to crush large-size EVA foam sheet raw materials, so that the EVA foam sheet raw materials are better stirred and mixed uniformly, and the discharging assembly is arranged, so that an EVA foam sheet mixture is conveniently and quantitatively guided into the material receiving barrel, and the EVA foam sheet mixture in the material receiving barrel is prevented from overflowing.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to material mixing technical field, especially, relate to a kind of EVA bubble cotton sheet raw material mixing machine. BACKGROUND

[0002] EVA bubble cotton sheet is made of soft foam material of ethylene-vinyl acetate copolymer, and the main raw materials of EVA bubble cotton sheet include ethylene-vinyl acetate copolymer, polyethylene, foaming agent, filler, bridging agent and lubricant, and EVA bubble cotton sheet raw material mixing machine needs to be controlled to stir evenly EVA bubble cotton sheet raw materials.

[0003] EVA bubble cotton sheet raw material mixing machine is mainly composed of mixing frame, rack, stirring motor, stirring shaft, stirring rod, material guiding motor, material guiding cylinder, hopper, base plate, material collecting cylinder, rotating motor, rotating shaft and rotating plate.

[0004] However, it still has the following disadvantages in practical use:

[0005] 1. The existing EVA bubble cotton sheet raw material mixing machine can mix the EVA bubble cotton sheet raw materials in the mixing frame by starting the stirring motor and rotating the stirring shaft and stirring rod. However, it is inconvenient to crush the large-volume EVA bubble cotton sheet raw materials entering the mixing frame, which may adversely affect the uniform mixing of the EVA bubble cotton sheet raw materials, and even damage the stirring rod.

[0006] 2. The existing EVA bubble cotton sheet raw material mixing machine can guide the EVA bubble cotton sheet mixture in the mixing frame into the hopper by starting the material guiding motor, and the EVA bubble cotton sheet mixture in the hopper can fall into the material collecting cylinder due to its own gravity, thereby realizing the discharge and packaging of the EVA bubble cotton sheet mixture. However, it is inconvenient to turn off the material guiding motor in time, which may cause the EVA bubble cotton sheet mixture in the material collecting cylinder to overflow or be insufficient.

[0007] Therefore, we provide an EVA bubble cotton sheet raw material mixing machine to solve the above problems. INVENTION CONTENTS

[0008] The utility model aims at providing an EVA bubble cotton sheet raw material mixing machine, which can conveniently crush large-volume EVA bubble cotton sheet raw materials while stirring and mixing the EVA bubble cotton sheet, thereby better stirring and mixing the EVA bubble cotton sheet raw materials and improving the quality of EVA bubble cotton sheet processing. In addition, the utility model sets an outlet assembly to effectively prevent the EVA bubble cotton sheet mixture in the material collecting cylinder from overflowing, thereby solving the technical problems raised in the background art.

[0009] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0010] The utility model discloses a kind of EVA bubble cotton sheet raw material mixing machines, including mixing frame, the inside of the mixing frame is provided with mixing assembly, the mixing assembly includes the broken knife connected on the peripheral side wall of driven shaft, the both ends of driven shaft are rotatably connected with the side wall of mixing frame, and driven shaft is parallel with mixing frame;Discharge assembly is provided below the mixing frame, the discharge assembly includes the rotating plate set above base plate, the base plate is set below the side of mixing frame, the inside of the positioning hole opened on the upper surface of rotating plate is equipped with collecting cylinder, the peripheral side wall of collecting cylinder is connected with handle symmetrically, the sleeve plate of the peripheral side wall of collecting cylinder is connected below handle, the lower surface of sleeve plate is penetrated and is arranged with guide rod in annular array, the connecting seat connected on the lower end surface of guide rod is connected on the upper surface of rotating plate, the connecting seat is connected on the upper surface of guide rod The peripheral side wall of reset spring is sleeved on the peripheral side wall of guide rod, the upper end of reset spring is connected with movable seat, which is sleeved on the peripheral side wall of guide rod, the upper surface of movable seat is in contact with the lower surface of sleeve plate, the upper surface of base plate is provided with connecting hole, and the upper end of screw is connected with switch in the inside of connecting hole and is screwed.

[0011] The utility model is further provided, the sleeve plate on the outer side wall of the mixing frame is in the shape of a Chinese character, the lower surface of the sleeve plate is connected with a support, and the lower surface of the sleeve plate is connected with a support.

[0012] The utility model is further provided, the both ends of driving shaft, which is provided below the driven shaft, are rotatably connected with the side wall of the mixing frame, the peripheral side wall of the driving shaft is connected with a stirring rod, and the mounting seat rotatably connected on the peripheral side wall of the driving shaft is connected on the outer side wall of the mixing frame.

[0013] The utility model is further provided, the end of the driving shaft is connected with a stirring motor, the peripheral side wall of the driving shaft is sleeved with a driving wheel, the peripheral side wall of the driven shaft is sleeved with a driven wheel, and the driving wheel and the driven wheel are drivingly connected through a transmission belt.

[0014] The utility model is further provided, the lower end of the discharge pipe is communicated with the inside of the material guiding cylinder, the inside of the material guiding cylinder is rotatably connected with an auger, the end of the auger is connected with a material guiding motor, which is connected on the sealing end of the material guiding cylinder, and the hopper, which is communicated with the opening end of the material guiding cylinder, is located above the rotating plate.

[0015] The utility model is further provided, the lower end of the rotating shaft, which is connected in the middle of the lower surface of the rotating plate, is connected with a rotating motor, and the lower end surface of the rotating motor is connected on the upper surface of the base plate.

[0016] The utility model further sets up, the lower surface of rotation board presents the connection of support pole of annular array, the upper surface of base plate is set with the chute, the lower end of support pole is set and the inside of chute is set up with the rolling ball.

[0017] The utility model further sets up, the upper surface of base plate is set with the screw hole, the upper end of convex pole is connected with the scale ruler that the inside screw thread of screw hole connects, the lower surface of base plate presents the connection of support foot of annular array, the length size of support foot is greater than the length size of screw rod.

[0018] The utility model has the following beneficial effects:

[0019] 1, the utility model discloses a mixing assembly is set up, and the stirring motor is started, and the driving shaft rotates, and the stirring rod rotates, and the EVA bubble cotton sheet raw material in the mixing frame is stirred and mixes, and at the same time, the driven shaft rotates, and the crushing knife rotates, and the EVA bubble cotton sheet raw material of big volume is crushed, and then the EVA bubble cotton sheet raw material in the mixing frame is stirred evenly better, and then it is favorable to improve the quality when EVA bubble cotton sheet production.

[0020] 2, the utility model discloses a discharge assembly is set up, and the EVA bubble cotton sheet mixture in the mixing frame falls into the inside of the material receiving cylinder through the hopper, and along with the increase of EVA bubble cotton sheet mixture in the material receiving cylinder, the return spring contracts, and the material receiving cylinder moves down, when the material receiving cylinder touches the switch, the material guiding motor is closed, and the EVA bubble cotton sheet mixture is stopped to the inside of the material receiving cylinder, and then effectively prevent the EVA bubble cotton sheet mixture in the material receiving cylinder from overflowing, and the EVA bubble cotton sheet mixture is introduced into the inside of the material receiving cylinder in equal amounts. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduces.

[0022] Figure 1 It is a kind of EVA bubble cotton sheet raw material mixing machine's three-dimensional schematic view;

[0023] Figure 2 It is the structural schematic view of mixing assembly;

[0024] Figure 3 It is the connection schematic view of mixing frame and material guiding cylinder;

[0025] Figure 4 It is Figure 1 It is the structure enlarged schematic view of A in middle;

[0026] Figure 5Schematic diagram of the connection of the template, guide rod, movable seat, return spring and connecting seat;

[0027] Figure 6 Exploded view of the substrate, screw, switch and scale;

[0028] Figure 7 Exploded view of the rotating plate, rotating motor and substrate.

[0029] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0030] 1 - mixing box, 101 - ear plate, 101a - bracket, 102 - discharge pipe, 2 - mixing component, 201 - driven shaft, 201a - crushing knife, 202 - transmission belt, 202a - driven pulley, 202b - driving pulley, 203 - stirring motor, 203a - driving shaft, 203b - stirring rod, 203c - mounting seat, 3 - discharge component, 301 - material guiding cylinder, 301a - hopper, 301b - auger, 301c - material guiding motor, 302 - rotating plate, 302a - positioning hole, 302b - support rod, 302c - ball, 303 - material receiving cylinder, 303a - handle, 303b - template, 304 - substrate, 304a - support leg, 304b - connecting hole, 304c - screw hole, 304d - chute, 305 - guide rod, 305a - return spring, 305b - connecting seat, 305c - movable seat, 306 - screw, 306a - switch, 307 - scale, 307a - convex rod, 308 - rotating motor, 308a - rotating shaft. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0032] Embodiment 1

[0033] Please refer to Figure 1 and Figure 3 , the present invention is an EVA foam sheet material mixer, including a mixing box 1, an ear plate 101, a bracket 101a and a discharge pipe 102. The cooperation of the ear plate 101 and the bracket 101a supports the mixing box 1, so that there is a distance between the lower surface of the mixing box 1 and the ground, which facilitates the discharge of the EVA foam sheet material inside the mixing box 1 through the discharge pipe 102;

[0034] Specifically, an ear plate 10l is sleeved on the outer wall of the mixing box 1, a bracket 101a is connected to the lower surface of the ear plate 101, and the discharge pipe 102 is communicated with the lower surface of the mixing box 1;

[0035] Furthermore, the ear plate 101 is in a shape of a double - square frame;

[0036] The operation process of this embodiment is as follows: the staff places the support 101a on the ground, so that the mixing frame 1 is stably erected on the ground, and introduces the EVA foam sheet raw material into the mixing frame 1 for stirring and mixing. The mixed EVA foam sheet raw material is discharged through the discharge pipe 102.

[0037] Example 2

[0038] Please see Figure 1 and Figure 2 Based on the first specific embodiment, a mixing component 2 is provided. The mixing component 2 includes a driven shaft 201, a crushing blade 201a, a transmission belt 202, a driven wheel 202a, a driving wheel 202b, a stirring motor 203, a driving shaft 203a, a stirring rod 203b, and a mounting base 203c. The stirring motor 203 is controlled to rotate the stirring rod 203b to stir and mix the EVA foam sheet material inside the mixing frame 1. The rotating crushing blade 201a crushes the large volume of EVA foam sheet material, which is more conducive to the uniform mixing of the EVA foam sheet material.

[0039] Specifically, the driven shaft 201 and the driving shaft 203a are arranged sequentially from top to bottom inside the mixing frame 1. The two ends of the driven shaft 201 are rotatably connected to the side wall of the mixing frame 1, and the two ends of the driving shaft 203a are rotatably connected to the side wall of the mixing frame 1. The crushing blade 201a connected to the peripheral side wall of the driven shaft 201 is located inside the mixing frame 1. The stirring rod 203b connected to the peripheral side wall of the driving shaft 203a is located inside the mixing frame 1. The driving wheel 202b is sleeved on the peripheral side wall of the driving shaft 203a, and the driven wheel 202a is sleeved on the peripheral side wall of the driven shaft 201. The driving wheel 202b and the driven wheel 202a are connected by a transmission belt 202. A mounting seat 203c is sleeved on the peripheral side wall of the driving shaft 203a and connected to the outer side wall of the mixing frame 1.

[0040] Furthermore, the two mounting seats 203c are arranged symmetrically;

[0041] The operation process of this embodiment is as follows: Start the stirring motor 203, the drive shaft 203a rotates, the stirring rod 203b rotates, and the EVA foam sheet material entering the mixing frame 1 is stirred and mixed. At the same time, the rotating drive shaft 203a drives the drive wheel 202b to rotate, which causes the transmission belt 202 to drive the driven wheel 202a to rotate. The driven shaft 201 rotates, which drives the crushing blade 201a to rotate, and crushes the large volume EVA foam sheet material entering the mixing frame 1.

[0042] Example 3

[0043] Please see Figure 1 , Figure 3 ,Figure 4 、 Figure 5 、 Figure 6 and Figure 7 On the basis of embodiment one and embodiment two, the discharge assembly 3 is provided with a guide cylinder 301, a hopper 301a, an auger 301b, a guide motor 301c, a rotating plate 302, a supporting rod 302b, a rolling ball 302c, a receiving cylinder 303, a handle 303a, a cover plate 303b, a base plate 304, a supporting leg 304a, a guide rod 305, a return spring 305a, a connecting seat 305b, a movable seat 305c, a screw rod 306, a switch 306a, a scale 307, a convex rod 307a, a rotating motor 308, and a rotating shaft 308a. The screw rod 306 is rotated to adjust the distance between the switch 306a and the bottom of the receiving cylinder 303. The distance between the switch 306a and the receiving cylinder 303 is known through the scale 307. As the EVA foam sheet mixture in the receiving cylinder 303 increases, the return spring 305a is contracted, the receiving cylinder 303 touches the switch 306a, and the EVA foam sheet mixture is stopped from being introduced into the receiving cylinder 303 in time, thereby avoiding the overflow of the EVA foam sheet mixture in the receiving cylinder 303 and facilitating the introduction of an equal amount of EVA foam sheet mixture into the receiving cylinder 303;

[0044] Specific, guide material cylinder 301 is obliquely arranged below the mixing frame 1, and the inside of the guide material cylinder 301 is communicated with the lower end of the discharge pipe 102, the auger 301b is rotatably connected in the inside of the guide material cylinder 301, and the end of the auger 301b is connected with the guide motor 301c, the guide motor 301c is connected with the closed end of the guide material cylinder 301, and the open end of the guide material cylinder 301 is communicated with the hopper 301a, the base plate 304 is arranged below the mixing frame 1, and the lower surface of the base plate 304 is connected with the supporting leg 304a, the upper surface of the base plate 304 is provided with connecting hole 304b, screw hole 304c and chute 304d, the inside of the connecting hole 304b is connected with the screw rod 306, the upper end of the screw rod 306 is connected with the switch 306a, the inside of the screw hole 304c is screwed with the convex rod 307a, the upper end of the convex rod 307a is connected with the scale 307, the upper surface of the base plate 304 is connected with the rotating motor 308, the upper end surface of the rotating motor 308 is connected with the rotating shaft 308a, the upper end of the rotating shaft 308a is connected with the rotating plate 302, the lower surface of the rotating plate 302 is connected with the supporting rod 302b, the lower end of the supporting rod 302b is provided with the rolling ball 302c, the rolling ball 302c is movably arranged in the inside of the chute 304d, and the upper surface of the rotating plate 302 is provided with the positioning hole 302a, the lower end of the collecting cylinder 303 is inserted into the inside of the positioning hole 302a, and the circumferential side wall of the collecting cylinder 303 is connected with the handle 303a, the sleeve plate 303b is sleeved on the circumferential side wall of the collecting cylinder 303, and the sleeve plate 303b is located below the handle 303a, the lower surface of the sleeve plate 303b is provided with the guide rod 305, the lower end of the guide rod 305 is connected with the connecting seat 305b, the lower surface of the connecting seat 305b is connected on the upper surface of the base plate 304, the upper surface of the connecting seat 305b is connected with the reset spring 305a, the reset spring 305a is sleeved on the circumferential side wall of the guide rod 305, and the upper end of the reset spring 305a is connected with the movable seat 305c, the movable seat 305c is sleeved on the circumferential side wall of the guide rod 305, and the movable seat 305c is located below the sleeve plate 303b;

[0045] Further, the positioning hole 302a is annularly arranged, the supporting rod 302b is annularly arranged, the sleeve plate 303b is annular, the guide rod 305 is annularly arranged, and the supporting leg 304a is annularly arranged;

[0046] The operation process of the embodiment is as follows: when the worker rotates the screw rod 306 clockwise, the screw rod 306 moves clockwise and upward, the switch 306a moves upward, when the worker rotates the screw rod 306 counterclockwise, the screw rod 306 rotates counterclockwise and moves downward, the switch 306a moves downward, and the worker cooperates with the scale 307 to observe the distance between the switch 306a and the lower surface of the receiving cylinder 303; the switch 306a is controlled to start the material guiding motor 301c, the auger 301b rotates, the EVA foam sheet mixture in the mixing frame 1 enters the inside of the hopper 301a, the EVA foam sheet mixture in the inside of the hopper 301a falls downward into the inside of the receiving cylinder 303, and as the EVA foam sheet mixture in the inside of the receiving cylinder 303 increases, the return spring 305a contracts, the movable seat 305c moves downward along the guide rod 305, the cover plate 303b moves downward, the receiving cylinder 303 moves downward, until the receiving cylinder 303 touches the position of the switch 306a, the material guiding motor 301c is turned off, the EVA foam sheet mixture in the inside of the mixing frame 1 stops entering the inside of the hopper 301a, the rotating motor 308 is started, the rotating shaft 308a rotates, the rolling ball 302c moves in the inside of the chute 304d, the supporting rod 302b rotates, the rotating plate 302 rotates, the next receiving cylinder 303 is adjusted to be below the hopper 301a, the material guiding motor 301c is started to guide the EVA foam sheet mixture into the inside of the hopper 301a, and the worker applies an upward external force to the handle 303a to take out the receiving cylinder 303 containing the EVA foam sheet mixture from the rotating plate 302, insert a new receiving cylinder 303 into the inside of the positioning hole 302a, and repeat the above operation to realize the discharge of the EVA foam sheet mixture in the inside of the mixing frame 1.

[0047] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. An EVA foam sheet raw material mixing machine comprising a mixing frame (1), characterized in that: The inside of the mixing frame (1) is provided with a mixing assembly (2), which comprises a crushing knife (201a) connected to the peripheral wall of a driven shaft (201), both ends of the driven shaft (201) are rotatably connected with the side wall of the mixing frame (1), and the driven shaft (201) is parallel to the mixing frame (1); The lower part of the mixing frame (1) is provided with a discharging assembly (3), which comprises a rotating plate (302) arranged above a base plate (304), the base plate (304) is arranged below the side of the mixing frame (1), a positioning hole (302a) is arranged on the upper surface of the rotating plate (302), a receiving cylinder (303) is arranged in the positioning hole (302a), the peripheral wall of the receiving cylinder (303) is symmetrically connected with a handle (303a), a sleeve plate (303b) is arranged on the peripheral wall of the receiving cylinder (303) and located below the handle (303a), a guide rod (305) is arranged on the lower surface of the sleeve plate (303b) in a ring array, a connecting seat (305b) is connected to the upper surface of the rotating plate (302) and connected to the lower end surface of the guide rod (305), a reset spring (305a) is arranged on the peripheral wall of the guide rod (305) and connected to the upper surface of the connecting seat (305b), a movable seat (305c) is arranged on the peripheral wall of the guide rod (305) and connected to the upper end of the reset spring (305a), the upper surface of the movable seat (305c) is in contact with the lower surface of the sleeve plate (303b), a connecting hole (304b) is arranged on the upper surface of the base plate (304), and a switch (306a) is connected to the upper end of a screw rod (306) which is screwed in the connecting hole (304b).

2. The EVA foam sheet raw material mixing machine according to claim 1, characterized in that: The ear plate (101) arranged on the outer side wall of the mixing frame (1) is in the shape of a back, the lower surface of the ear plate (101) is connected with a support (101a), and the lower surface of the mixing frame (1) is communicated with a discharging pipe (102).

3. The EVA foam sheet raw material mixing machine according to claim 1, characterized in that: Both ends of a driving shaft (203a) arranged below the driven shaft (201) are rotatably connected with the side wall of the mixing frame (1), a stirring rod (203b) is connected to the peripheral wall of the driving shaft (203a), and a mounting seat (203c) rotatably connected to the peripheral wall of the driving shaft (203a) is connected to the outer side wall of the mixing frame (1).

4. The EVA foam sheet raw material mixing machine according to claim 3, characterized in that: The end of the driving shaft (203a) is connected with a stirring motor (203), the peripheral wall of the driving shaft (203a) is sleeved with a driving wheel (202b), the peripheral wall of the driven shaft (201) is sleeved with a driven wheel (202a), and the driven wheel (202a) and the driving wheel (202b) are drivingly connected through a transmission belt (202).

5. The EVA foam sheet raw material mixing machine according to claim 2, characterized in that: The lower inclined setting of the mixing frame (1) is provided with a material guide cylinder (301), the lower end of the discharge pipe (102) communicates with the inside of the material guide cylinder (301), the inside of the material guide cylinder (301) is rotatably connected with an auger (301b), the end of the auger (301b) is connected with a material guide motor (301c) connected at the closed end of the material guide cylinder (301), the open end of the material guide cylinder (301) communicates with a hopper (301a) located above the rotating plate (302).

6. The EVA foam sheet raw material mixing machine according to claim 5, characterized in that: The lower end of the rotating shaft (308a) connected in the middle of the lower surface of the rotating plate (302) is connected with a rotating motor (308), and the lower end surface of the rotating motor (308) is connected on the upper surface of the base plate (304).

7. The EVA foam sheet raw material mixing machine according to claim 6, characterized in that: The lower surface of the rotating plate (302) is connected with a support rod (302b) in a ring array, a sliding groove (304d) is formed on the upper surface of the base plate (304), and the lower end of the support rod (302b) is provided with a rolling ball (302c) movably arranged in the inside of the sliding groove (304d).

8. The EVA foam sheet raw material mixing machine according to claim 7, characterized in that: A screw hole (304c) is formed on the upper surface of the base plate (304), the upper end of a convex rod (307a) threadedly connected in the inside of the screw hole (304c) is connected with a scale (307), and the lower surface of the base plate (304) is connected with a support leg (304a) in a ring array, the length of the support leg (304a) is greater than the length of the screw rod (306).