Feeding platform on dustproof blow molding packaging production line for high-precision valve castings

Abstract

The invention relates to the technical field of valve casting feeding, and discloses a feeding platform on a high-precision valve casting dustproof blow molding packaging production line, the feeding platform comprises a feeding frame, a feeding mechanism is arranged in the feeding frame, and a dustproof conveying mechanism is arranged in the feeding frame; the feeding mechanism comprises two rotating discs, the bottom face of each rotating disc is rotationally connected with the inner bottom wall of the feeding frame, two first stepping motors are fixedly installed on the inner side wall of the feeding frame, the power output end of each first stepping motor is fixedly connected with the bottom face of the corresponding rotating disc, and a fixing frame is fixedly installed on the upper surface of each rotating disc. And a first electric telescopic rod is fixedly mounted on the inner bottom wall of each fixing frame. According to the feeding platform on the dustproof blow molding packaging production line for the high-precision valve castings, the phenomena that the high-precision valve castings collide with one another and are in contact with the feeding platform to be scratched can be prevented through the feeding mechanism, and therefore the high-precision valve castings are prevented from being damaged or scratched.

Description

Technical Field

[0001] The invention relates to the technical field of valve casting feeding, in particular to a feeding platform on a high-precision valve casting dust-proof blow molding packaging production line. Background Art

[0002] Blow molding is a molding process mainly used for plastic products. It expands and forms plastic materials by heating and blowing. In the manufacturing process of high-precision valves, blow molding technology is used to manufacture certain plastic parts, which are then combined with metal castings to form high-precision valve components made of composite materials. After blow molding, the plastic parts need a feeding platform to transport them to the packaging production line.

[0003] According to announcement number CN111347653B, a feeding platform on a dust-proof blow molding packaging production line for high-precision valve castings is disclosed, comprising a platform body; a receiving platform is fixedly installed on the right side of the front end of the platform body; a conversion mechanism is fixedly installed on the left side of the rear end of the top plane of the platform body; a dust-proof mechanism is fixedly installed vertically to the right on the upper end of the conversion mechanism; a driving mechanism is horizontally installed on the platform body in front of the conversion mechanism; a pushing mechanism is fixedly installed on the right end of the driving mechanism; a belt adjustment mechanism is longitudinally installed in the middle of the dust-proof mechanism; and a guide platform is fixedly installed at the right corner of the rear end of the top plane of the platform body.

[0004] By adopting the above technical scheme, a material guide groove inclined backward and downward is opened at the upper end bend of the receiving tray, which can facilitate the timely downward conveying and discharge of high-precision valve castings after the blow molding is completed. However, in the above technical scheme, when feeding the high-precision valve castings, the high-precision castings will contact and slide with the surface of the feeding platform, making it easy for the high-precision castings to collide with each other and be scratched by contact with the feeding platform during feeding, thereby causing damage or scratches to the high-precision valve castings, and the high-precision castings are only dust-proofed during feeding, so that the dust-proof effect is poor. Summary of the invention

[0005] The object of the present invention is to provide a feeding platform on a high-precision valve casting dust-proof blow molding packaging production line to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a feeding platform on a high-precision valve casting dust-proof blow molding packaging production line, comprising a feeding rack, a feeding mechanism is arranged inside the feeding rack, and a dust-proof conveying mechanism is arranged inside the feeding rack;

[0007] The feeding mechanism comprises two rotating disks, the bottom surface of each rotating disk is rotatably connected with the inner bottom wall of the feeding rack, two first stepper motors are fixedly installed on the inner side wall of the feeding rack, the output end of each first stepper motor power is fixedly connected with the bottom surface of the rotating disk, a fixed frame is fixedly installed on the upper surface of each rotating disk, a first electric telescopic rod is fixedly installed on the inner bottom wall of each fixed frame, a movable frame is fixedly installed on the telescopic end of each first electric telescopic rod, the outer surface of each movable frame is slidably connected with the inner wall of the fixed frame, a second electric telescopic rod is fixedly installed on the inner side wall of each movable frame, a supporting frame is fixedly installed on the telescopic end of each second electric telescopic rod, a second stepper motor is arranged on the outer side of each supporting frame, the output end of each second stepper motor power penetrates the supporting frame and is fixedly installed with a threaded rod, the outer surface of each threaded rod is threadedly connected with a clamping frame, and a rubber pad is fixedly installed on a side surface of each group of clamping frames close to each other;

[0008] The dust-proof conveying mechanism includes a rotating frame, an upper surface of which is fixedly mounted with placement plates arranged at equal distances, a bidirectional motor is arranged above the rotating frame, an output end of the bidirectional motor power is fixedly connected to the upper surface of the rotating frame, a limiting frame is fixedly mounted on the inner wall of the feeding frame, a fan blade is arranged inside the limiting frame, a bottom end of the fan blade is fixedly connected to the output end of the bidirectional motor power, a filter plate is slidably connected to the inner wall of the limiting frame, a three-way air supply pipe is fixedly mounted on the back side of the limiting frame, an end of the three-way air supply pipe away from the limiting frame passes through the feeding frame and is fixedly connected to two suction hoods.

[0009] Preferably, four support rods are fixedly mounted on the bottom surface of the feeding rack, and a universal wheel is fixedly mounted on the bottom surface of each support rod.

[0010] Preferably, four support cylinders are fixedly mounted on the bottom surface of the feed rack, a grounding plate is provided below each of the support cylinders, and the upper surface of each of the grounding plates is in contact with the bottom surface of the support cylinder.

[0011] Preferably, a third electric telescopic rod is fixedly mounted on the inner top wall of each of the support tubes, and a telescopic end of each of the third electric telescopic rods is fixedly connected to the upper surface of the grounding plate.

[0012] Preferably, a protection box is fixedly mounted on the bottom surface of each of the second stepper motors, and a side surface of each of the protection boxes close to the support frame is fixedly connected to a side surface of the support frame close to the protection box.

[0013] Preferably, a support plate is fixedly mounted on the back of the bidirectional motor, and the back of the support plate is fixedly connected to the inner wall of the feeding rack.

[0014] Preferably, four limiting bolts are arranged on the outer side of the support plate, and one end of each limiting bolt close to the bidirectional motor passes through the bidirectional motor and extends to the inside of the support plate, and each limiting bolt is threadedly connected to the support plate.

[0015] Preferably, the front side of the filter plate is fixedly mounted on a pull block, and a rectangular hole is formed on the upper surface of the pull block.

[0016] Preferably, a bearing is fixedly mounted on the outer surface of the rotating frame, and the outer surface of the bearing is fixedly connected to the inner wall of the feeding rack.

[0017] Preferably, a glass door is movably hinged on the inner wall of the feeding rack, and a handle is fixedly installed on the front of the glass door.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0019] First, the present invention is provided with a second stepper motor to provide power to drive the threaded rod to rotate, so that the threaded rod can drive the clamping frame to clamp and limit the high-precision valve casting, the rubber pad can protect the surface of the clamped high-precision valve casting, thereby preventing damage to the high-precision valve casting during clamping, the second electric telescopic rod can drive the support frame to move left and right, and the first electric telescopic rod can drive the movable frame to move up and down, so as to facilitate the clamping of high-precision valve castings at different positions, and the power provided by the first stepper motor can drive the fixed frame to rotate, so that the fixed frame can feed the high-precision valve casting.

[0020] Second, the present invention can place high-precision valve castings by providing a placement plate, and the power provided by the bidirectional motor can drive the rotating frame to rotate, so that the rotating frame can drive the placement plate on which the high-precision valve castings are placed to move to the loading position, and the power provided by the bidirectional motor can drive the fan blades to rotate, so that the fan blades can draw air from the limit frame, and the drawn wind can blow on the surface of the high-precision valve casting, thereby preventing dust from adhering to the surface of the high-precision valve casting. After the fan blades draw air from the limit frame, there is a certain pressure inside the limit frame, so that air can enter from the suction hood, so that the suction hood can absorb the blown dust into the three-way pipe, and the dust is directly transported to the limit frame through the guidance of the three-way pipe. The dust can be blocked by the filter plate, thereby preventing the dust from flying around at will, so that when feeding the high-precision valve castings, it can prevent the high-precision valve castings from colliding with each other and being scratched by contact with the feeding platform, and at the same time, it can continue to prevent the high-precision castings from dust, so that the dust prevention effect is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the feeding rack of the present invention;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the rotating disk of the present invention;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the rotating frame of the present invention;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixing frame of the present invention;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the limit frame of the present invention in cross section;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the bearing of the present invention when viewed from above;

[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of the cross-section of the support tube of the present invention.

[0028] Among them: 1. feeding rack; 2. feeding mechanism; 201. rotating disk; 202. first stepper motor; 203. fixed frame; 204. first electric telescopic rod; 205. movable frame; 206. second electric telescopic rod; 207. supporting frame; 208. second stepper motor; 209. threaded rod; 210. clamping frame; 211. rubber pad; 3. dust-proof conveying mechanism; 301. rotating frame; 302. placing plate; 303. two-way motor; 304. fan blade; 305. limiting frame; 306. filter plate; 307. three-way air pipe; 308. suction hood; 4. supporting rod; 5. universal wheel; 6. supporting cylinder; 7. grounding plate; 8. third electric telescopic rod; 9. protective box; 10. supporting plate; 11. limiting bolt; 12. pull block; 13. rectangular hole; 14. bearing; 15. glass door; 16. handle. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1

[0031] See also Figure 1-7 A feeding platform on a high-precision valve casting dust-proof blow molding packaging production line comprises a feeding rack 1, a feeding mechanism 2 is arranged inside the feeding rack 1, and a dust-proof conveying mechanism 3 is arranged inside the feeding rack 1;

[0032] The feeding mechanism 2 includes two rotating disks 201, the bottom surface of each rotating disk 201 is rotatably connected to the inner bottom wall of the feeding rack 1, and two first stepper motors 202 are fixedly installed on the inner side wall of the feeding rack 1. The output end of the power of each first stepper motor 202 is fixedly connected to the bottom surface of the rotating disk 201, and a fixed frame 203 is fixedly installed on the upper surface of each rotating disk 201. The inner bottom wall of each fixed frame 203 is fixedly installed with a first electric telescopic rod 204, and the telescopic end of each first electric telescopic rod 204 is fixedly installed with a movable frame 205. The outer side of each movable frame 205 The surfaces are slidably connected to the inner wall of the fixed frame 203, the inner wall of each movable frame 205 is fixedly installed with a second electric telescopic rod 206, the telescopic end of each second electric telescopic rod 206 is fixedly installed with a support frame 207, and a second stepping motor 208 is arranged on the outer side of each support frame 207. The output end of the power of each second stepping motor 208 passes through the support frame 207 and is fixedly installed with a threaded rod 209, and the outer surface of each threaded rod 209 is threadedly connected with a clamping frame 210, and a rubber pad 211 is fixedly installed on the side close to each other of each group of clamping frames 210.

[0033] Four support rods 4 are fixedly installed on the bottom surface of the feeding rack 1, and a universal wheel 5 is fixedly installed on the bottom surface of each support rod 4. The universal wheel 5 can be limited and supported by the support rods 4, so that the device can be moved conveniently through the universal wheel 5, so that the device can feed high-precision valve castings at different positions, thereby increasing the convenience of the device.

[0034] Four support tubes 6 are fixedly installed on the bottom surface of the feeding rack 1, and a grounding plate 7 is arranged under each support tube 6. The upper surface of each grounding plate 7 is in contact with the bottom surface of the support tube 6. The feeding rack 1 can be supported by the support tube 6. The grounding plate 7 can increase the contact surface between the support tube 6 and the ground, thereby increasing the friction between the support tube 6 and the ground and increasing the stability of the device.

[0035] A third electric telescopic rod 8 is fixedly mounted on the inner top wall of each support tube 6, and the telescopic end of each third electric telescopic rod 8 is fixedly connected to the upper surface of the ground plate 7. The telescopicity provided by the third electric telescopic rod 8 can drive the ground plate 7 to move, thereby facilitating the adjustment of the height of the device so that the device can be used in different positions.

[0036] A protective box 9 is fixedly installed on the bottom surface of each second stepper motor 208, and a side surface of each protective box 9 close to the support frame 207 is fixedly connected to a side surface of the support frame 207 close to the protective box 9. The protective box 9 can support and protect the second stepper motor 208, thereby preventing the second stepper motor 208 from being damaged by external force and preventing the second stepper motor 208 from shaking or deviating during operation, thereby increasing the stability of the second stepper motor 208 during operation.

[0037] The specific implementation of this embodiment is as follows: first, the first stepper motor 202, the first electric telescopic rod 204, the second electric telescopic rod 206, the second stepper motor 208 and the third electric telescopic rod 8 are powered on, and the universal wheel 5 can facilitate the movement of the device so that the device can be moved to the feeding place. When moving to the feeding place, the elasticity provided by the third electric telescopic rod 8 can drive the grounding plate 7 to move downward, so that the grounding plate 7 can contact the ground, and the height of the device can be adjusted as needed. When it is necessary to feed high-precision valve castings, the second stepper motor 208 provides power to drive the threaded rod 209 to Rotation enables the threaded rod 209 to drive the clamping frame 210 to clamp and limit the high-precision valve casting, the rubber pad 211 can protect the surface of the clamped high-precision valve casting, thereby preventing damage to the high-precision valve casting during clamping, the second electric telescopic rod 206 can drive the support frame 207 to move left and right, the first electric telescopic rod 204 can drive the movable frame 205 to move up and down, thereby facilitating the clamping of high-precision valve castings at different positions, and the power provided by the first stepper motor 202 can drive the fixed frame 203 to rotate, so that the fixed frame 203 can feed the high-precision valve casting.

[0038] Embodiment 2

[0039] See also Figure 1-7 The dust-proof conveying mechanism 3 includes a rotating frame 301, on the upper surface of which placement plates 302 are fixedly installed at equal distances, a bidirectional motor 303 is arranged above the rotating frame 301, and the output end of the power of the bidirectional motor 303 is fixedly connected to the upper surface of the rotating frame 301, a limiting frame 305 is fixedly installed on the inner wall of the feeding frame 1, and a fan blade 304 is arranged inside the limiting frame 305, and the bottom end of the fan blade 304 is fixedly connected to the output end of the power of the bidirectional motor 303, and a filter plate 306 is slidably connected to the inner wall of the limiting frame 305, and a three-way air supply pipe 307 is fixedly installed on the back of the limiting frame 305, and one end of the three-way air supply pipe 307 away from the limiting frame 305 passes through the feeding frame 1 and is fixedly connected to two suction hoods 308.

[0040] A support plate 10 is fixedly installed on the back of the bidirectional motor 303, and the back of the support plate 10 is fixedly connected to the inner wall of the feeding rack 1. The support plate 10 can support and limit the bidirectional motor 303, thereby preventing the bidirectional motor 303 from falling when working, thereby increasing the stability of the bidirectional motor 303 when working.

[0041] Four limiting bolts 11 are arranged on the outer side of the support plate 10, and one end of each limiting bolt 11 close to the bidirectional motor 303 passes through the bidirectional motor 303 and extends to the inside of the support plate 10, and each limiting bolt 11 is threadedly connected to the support plate 10. The limiting bolts 11 can increase the stability of the bidirectional motor 303, thereby preventing the bidirectional motor 303 from shaking and deviating during operation, thereby further increasing the stability of the bidirectional motor 303 during operation.

[0042] The front side of the filter plate 306 is fixedly installed with a pull block 12, and a rectangular hole 13 is provided on the upper surface of the pull block 12. The filter plate 306 can be manually pulled out through the pull block 12, thereby facilitating the disassembly of the filter plate 306, making it convenient to clean or replace the filter plate 306, thereby increasing the convenience of cleaning or replacing the filter plate 306.

[0043] A bearing 14 is fixedly installed on the outer surface of the rotating frame 301, and the outer surface of the bearing 14 is fixedly connected to the inner wall of the feeding frame 1. The bearing 14 can support and limit the rotating frame 301, thereby preventing the rotating frame 301 from shifting when feeding high-precision valve castings, thereby increasing the stability of the rotating frame 301 during rotation.

[0044] A glass door 15 is movably hinged on the inner wall of the feeding rack 1, and a handle 16 is fixedly installed on the front of the glass door 15. The glass door 15 can be used to conveniently check the feeding situation inside the feeding rack 1, and the handle 16 can be used to conveniently open the glass door 15 manually, thereby facilitating the staff to tidy up the interior and increasing the convenience of the device.

[0045] The specific implementation of this embodiment is as follows: first, the bidirectional motor 303 is powered on, and the high-precision valve casting can be placed through the placement plate 302, and the power provided by the bidirectional motor 303 can drive the rotating frame 301 to rotate, and the bearing 14 can support and limit the rotating frame 301, so as to prevent the rotating frame 301 from deviating when feeding the high-precision valve casting, so that the rotating frame 301 can drive the placement plate 302 for placing the high-precision valve casting to move to the loading position, and the power provided by the bidirectional motor 303 can drive the fan blade 304 to rotate, so that the fan blade 304 can draw air from the limit frame 305, and the drawn air can blow on the surface of the high-precision valve casting, thereby preventing dust from adhering to the surface of the high-precision valve casting. After the blade 304 draws air from the limit frame 305, there is a certain pressure inside the limit frame 305, so that air can enter from the suction hood 308, so that the suction hood 308 can absorb the blown dust into the three-way pipe, and the dust is guided by the three-way pipe and directly transported to the limit frame 305. The dust can be blocked by the filter plate 306 to prevent the dust from flying around at will, so that when feeding the high-precision valve casting, it can prevent the high-precision castings from colliding with each other and being scratched by the feeding platform, and at the same time, the high-precision castings can be continuously dust-proof, so that the dust-proof effect is stronger, and the filter plate 306 can be manually pulled out by the pull block 12, so that the filter plate 306 can be disassembled conveniently, so that the filter plate 306 can be cleaned or replaced conveniently.

[0046] The working principle of the present invention is as follows: firstly, the first stepper motor 202, the first electric telescopic rod 204, the second electric telescopic rod 206, the second stepper motor 208, the third electric telescopic rod 8 and the bidirectional motor 303 are powered on, and the universal wheel 5 can facilitate the movement of the device so that the device can be moved to the feeding place. When it moves to the feeding place, the elasticity provided by the third electric telescopic rod 8 can drive the grounding plate 7 to move downward, so that the grounding plate 7 can contact the ground, and the height of the device can be adjusted as needed. When it is necessary to feed high-precision valve castings, the second stepper motor 208 provides power to drive the threaded rod 209 to rotate, so that The threaded rod 209 can drive the clamping frame 210 to clamp and limit the high-precision valve casting, the rubber pad 211 can protect the surface of the clamped high-precision valve casting, thereby preventing damage to the high-precision valve casting during clamping, the second electric telescopic rod 206 can drive the support frame 207 to move left and right, the first electric telescopic rod 204 can drive the movable frame 205 to move up and down, so as to facilitate the clamping of high-precision valve castings at different positions, the power provided by the first stepper motor 202 can drive the fixed frame 203 to rotate, so that the fixed frame 203 can place the high-precision valve casting on the placement plate 302, and the bidirectional motor 303 The power provided can drive the rotating frame 301 to rotate, and the bearing 14 can support and limit the rotating frame 301, so as to prevent the rotating frame 301 from deviating when feeding the high-precision valve casting, so that the rotating frame 301 can drive the placement plate 302 on which the high-precision valve casting is placed to move to the loading position, and the power provided by the bidirectional motor 303 can drive the fan blade 304 to rotate, so that the fan blade 304 can draw air from the limit frame 305, and the drawn air can blow on the surface of the high-precision valve casting, so as to prevent dust from adhering to the surface of the high-precision valve casting. After the fan blade 304 draws air from the limit frame 305, there is a certain pressure inside the limit frame 305. The force allows air to enter from the suction hood 308, so that the suction hood 308 can absorb the blown dust into the three-way pipe, and the dust is guided by the three-way pipe and directly transported to the limit frame 305. The dust can be blocked by the filter plate 306 to prevent the dust from flying around at will, so that when the high-precision valve castings are fed, it can prevent the high-precision castings from colliding with each other and being scratched by the feeding platform, and at the same time, the high-precision castings can be continuously protected from dust, so that the dust-proof effect is stronger, and the filter plate 306 can be manually pulled out by the pull block 12, so that the filter plate 306 is convenient to disassemble, so that the filter plate 306 is convenient to clean or replace.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0048] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A feeding platform on a high-precision valve casting dust-proof blow molding packaging production line, comprising a feeding rack (1), characterized in that: A feeding mechanism (2) is arranged inside the feeding rack (1), and a dust-proof conveying mechanism (3) is arranged inside the feeding rack (1); The feeding mechanism (2) comprises two rotating disks (201), the bottom surface of each rotating disk (201) is rotatably connected to the inner bottom wall of the feeding rack (1), two first stepper motors (202) are fixedly mounted on the inner side wall of the feeding rack (1), the output end of the power of each first stepper motor (202) is fixedly connected to the bottom surface of the rotating disk (201), a fixed frame (203) is fixedly mounted on the upper surface of each rotating disk (201), a first electric telescopic rod (204) is fixedly mounted on the inner bottom wall of each fixed frame (203), a movable frame (205) is fixedly mounted on the telescopic end of each first electric telescopic rod (204), and each movable frame (205) is fixedly mounted on the upper surface of each rotating disk (201). ) are slidably connected to the inner wall of the fixed frame (203), the inner wall of each movable frame (205) is fixedly mounted with a second electric telescopic rod (206), the telescopic end of each second electric telescopic rod (206) is fixedly mounted with a support frame (207), the outer side of each support frame (207) is provided with a second stepping motor (208), the output end of the power of each second stepping motor (208) passes through the support frame (207) and is fixedly mounted with a threaded rod (209), the outer surface of each threaded rod (209) is threadedly connected with a clamping frame (210), and a rubber pad (211) is fixedly mounted on a side surface of each group of clamping frames (210) close to each other; The dust-proof conveying mechanism (3) comprises a rotating frame (301), the upper surface of which is fixedly mounted with placement plates (302) arranged at equal distances, a bidirectional motor (303) is arranged above the rotating frame (301), the output end of the power of the bidirectional motor (303) is fixedly connected to the upper surface of the rotating frame (301), a limiting frame (305) is fixedly mounted on the inner wall of the feeding frame (1), a fan blade (304) is arranged inside the limiting frame (305), the bottom end of the fan blade (304) is fixedly connected to the output end of the power of the bidirectional motor (303), a filter plate (306) is slidably connected to the inner wall of the limiting frame (305), a three-way air supply pipe (307) is fixedly mounted on the back of the limiting frame (305), and one end of the three-way air supply pipe (307) away from the limiting frame (305) passes through the feeding frame (1) and is fixedly connected to two suction hoods (308).

2. According to claim 1, a feeding platform on a high-precision valve casting dust-proof blow molding packaging production line is characterized by: Four support rods (4) are fixedly mounted on the bottom surface of the feeding rack (1), and a universal wheel (5) is fixedly mounted on the bottom surface of each support rod (4).

3. The feeding platform on the dust-proof blow molding packaging production line of high-precision valve castings according to claim 1 is characterized by: Four support cylinders (6) are fixedly mounted on the bottom surface of the feed rack (1), a grounding plate (7) is arranged below each of the support cylinders (6), and the upper surface of each of the grounding plates (7) is in contact with the bottom surface of the support cylinder (6).

4. The feeding platform on the dust-proof blow molding packaging production line of high-precision valve castings according to claim 3 is characterized by: A third electric telescopic rod (8) is fixedly mounted on the inner top wall of each of the support tubes (6), and the telescopic end of each of the third electric telescopic rods (8) is fixedly connected to the upper surface of the grounding plate (7).

5. The feeding platform on the dust-proof blow molding packaging production line of high-precision valve castings according to claim 1 is characterized by: A protection box (9) is fixedly mounted on the bottom surface of each of the second stepper motors (208), and a side surface of each of the protection boxes (9) close to the support frame (207) is fixedly connected to a side surface of the support frame (207) close to the protection box (9).

6. The feeding platform on the dust-proof blow molding packaging production line of high-precision valve castings according to claim 1 is characterized by: A support plate (10) is fixedly mounted on the back of the bidirectional motor (303), and the back of the support plate (10) is fixedly connected to the inner wall of the feeding rack (1).

7. The feeding platform on the dust-proof blow molding packaging production line of high-precision valve castings according to claim 6 is characterized by: Four limiting bolts (11) are arranged on the outer side of the support plate (10), and one end of each limiting bolt (11) close to the bidirectional motor (303) passes through the bidirectional motor (303) and extends to the inside of the support plate (10), and each limiting bolt (11) is threadedly connected to the support plate (10).

8. The feeding platform on the dust-proof blow molding packaging production line of high-precision valve castings according to claim 1 is characterized by: The front side of the filter plate (306) is fixedly mounted on a pull block (12), and a rectangular hole (13) is provided on the upper surface of the pull block (12).

9. The feeding platform on the dust-proof blow molding packaging production line of high-precision valve castings according to claim 1 is characterized by: A bearing (14) is fixedly mounted on the outer surface of the rotating frame (301), and the outer surface of the bearing (14) is fixedly connected to the inner wall of the feeding frame (1).

10. The feeding platform on the dust-proof blow molding packaging production line of high-precision valve castings according to claim 1 is characterized by: A glass door (15) is movably hinged on the inner wall of the feeding rack (1), and a handle (16) is fixedly mounted on the front of the glass door (15).

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