Vacuum feeding machine facilitating discharging

Abstract

A vibration mechanism further comprises a supporting frame, an annular rack is movably installed on the top face of the supporting frame in a limiting mode, a moving block is fixedly installed at one end of the bottom of the annular rack, and the whole moving block is located below the supporting frame. Limiting sleeves are symmetrically and fixedly mounted on one side of the moving block, telescopic rods are slidably connected to the interiors of the two limiting sleeves, springs are fixedly connected to the ends, located in the limiting sleeves, of the telescopic rods, and the other ends of the springs are fixedly connected with the inner walls of the limiting sleeves; the ends, away from the springs, of the telescopic rods extend out of the limiting sleeves, the ends of the two telescopic rods are jointly and fixedly provided with a knocking plate, a moving sleeve is fixedly connected to the position, located between the two telescopic rods, of the outer wall of the knocking plate, and the moving sleeve is driven by a second motor in the vibration mechanism. Therefore, the knocking plate can repeatedly knock the outer wall of the hopper, and the inner wall of the hopper vibrates to shake off attachments.

Description

Technical Field

[0001] The utility model relates to the technical field of material feeding equipment, in particular to a vacuum feeder which is convenient for unloading materials. Background Art

[0002] Vacuum feeder, also known as vacuum conveyor, is an advanced dust-free and closed pipeline conveying equipment. It uses the negative pressure principle generated by the vacuum pump to suck and convey powdered, granular or small block materials to the designated location through the pipeline. This equipment is widely used in many industries such as chemical, pharmaceutical, food, metallurgy, building materials, etc., especially suitable for occasions where materials need to be conveyed in a closed and dust-free environment.

[0003] When the vacuum loader in the prior art is in use, the material is usually extracted into the hopper for temporary storage. After the discharge valve is opened, the material is discharged through the discharge bin. However, during the discharge process, some powder or particles will adhere to the inner wall of the hopper, which may cause blockage and affect the discharge of the material. Therefore, a vacuum loader that is convenient for discharge of the material is proposed to solve the above problem. Utility Model Content

[0004] The technical problem to be solved by the utility model is as follows: During the material feeding process, part of the powder or particles usually adheres to the inner wall of the hopper, thus affecting the material feeding.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A vacuum loading machine for facilitating unloading of materials comprises a vacuum loading machine body, a vibration mechanism is arranged above the vacuum loading machine body, the vacuum loading machine body comprises a suction pump and an electric cylinder, the vibration mechanism comprises motor one and motor two; the vibration mechanism also comprises a support frame, the top surface of the support frame is limited and movably mounted with an annular rack, one end of the bottom of the annular rack is fixedly mounted with a moving block, and the moving block is located as a whole below the support frame; wherein, a limiting sleeve is symmetrically fixedly mounted on one side of the moving block, and two telescopic rods are slidably connected to the inside of the limiting sleeves, and one end of each telescopic rod located inside the limiting sleeve is fixedly connected with a spring, and the other end of the spring is fixedly connected to the inner wall of the limiting sleeve; wherein, the telescopic rod is located at an end away from the spring and extends to the outside of the limiting sleeve, and the ends of the two telescopic rods are also jointly fixedly mounted with a knocking plate, and the outer wall of the knocking plate and the moving sleeve are fixedly connected between the two telescopic rods.

[0007] As a further solution of the utility model: a cam is rotatably connected to the inner middle part of the moving block, and the side of the moving block is also fixedly installed with the second motor, and the output shaft of the second motor is fixedly connected to the cam shaft.

[0008] As a further solution of the utility model: the protruding part on the side of the cam is rotatably connected to a connecting rod, the connecting rod is rotatably connected to a clamping piece at one end away from the cam, a moving rod is fixedly connected to the middle part of the other side of the clamping piece, and the moving rod is slidably connected along the middle inner wall of the moving sleeve.

[0009] As a further solution of the utility model: both sides of the outer wall of the support frame are fixedly connected with a lifting sleeve, and the upper end of the outer wall of one side of the lifting sleeve is fixedly installed with motor 1, the output shaft of motor 1 faces downward, and the output shaft of motor 1 is also fixedly connected with a gear, and the side of the gear is meshingly connected with the annular rack.

[0010] As a further solution of the utility model: the main body of the vacuum loader includes a lower material bin, both sides of the bottom surface of the lower material bin are fixedly connected with support feet, one side of the outer wall of the lower material bin is fixedly installed with the electric cylinder, the extension end of the electric cylinder faces upward, and the top of the extension end of the electric cylinder is fixedly connected to one of the lifting sleeves.

[0011] As a further solution of the utility model: guide rods are symmetrically fixedly installed on both sides of the top of the lower material bin, and the outer surfaces of the two guide rods are slidably mounted on the respective lifting sleeves.

[0012] As a further solution of the utility model: a hopper is fixedly installed on the top surface of the lower silo and between the two guide rods, the top of the hopper is fixedly connected to a suction pump, a suction pipe is installed at the input end of the suction pump, and the output end of the suction pump is connected to the inside of the hopper, a discharge valve is arranged at the lower end of the inner wall of the hopper, and the outer surface of the hopper is in movably contact with the knocking plate.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model installs a vibration mechanism on the outer side of the hopper of the main body of the vacuum feeder. Under the drive of the motor 2 in the vibration mechanism, the knocking plate is driven to move back and forth quickly, so that the knocking plate can repeatedly knock on the outer wall of the hopper, so that the inner wall of the hopper vibrates and the attached materials are shaken off, thereby reducing the attachment of materials to the hopper and facilitating the unloading effect of the vacuum feeder;

[0015] (2) The vibration mechanism can be raised and lowered along the height direction of the hopper. In addition, driven by motor 1, the knocking plate that knocks the hopper can rotate around the hopper. By changing the knocking position, the vibration effect of different parts of the hopper can be changed, which helps to clear blockages in different situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the top view of the support frame in the utility model;

[0019] Figure 3 It is a schematic diagram of the overall structure of the moving block in the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the moving block in the utility model;

[0021] Figure 5 It is a side structural schematic diagram of the cam in the utility model.

[0022] In the figure: 1. Vacuum loader body; 101. Feed bin; 102. Support foot; 103. Hopper; 104. Suction pump; 105. Suction pipe; 106. Guide rod; 107. Electric cylinder; 2. Vibration mechanism; 201. Support frame; 202. Lifting sleeve; 203. Motor 1; 204. Gear; 205. Ring rack; 206. Moving block; 207. Motor 2; 208. Cam; 209. Connecting rod; 210. Clamp; 211. Moving rod; 212. Moving sleeve; 213. Knocking plate; 214. Telescopic rod; 215. Limiting sleeve; 216. Spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-5As shown, a vacuum feeder for easy unloading includes a vacuum feeder main body 1, a vibration mechanism 2 is arranged above the vacuum feeder main body 1, the vacuum feeder main body 1 includes a suction pump 104 and an electric cylinder 107, and the vibration mechanism 2 includes a motor 1 203 and a motor 2 207; the vibration mechanism 2 also includes a support frame 201, and the top surface of the support frame 201 is limited and movably installed with an annular rack 205, and a moving block 206 is fixedly installed at one end of the bottom of the annular rack 205, and the moving block 206 is located below the support frame 201 as a whole; wherein one side of the moving block 206 is opposite to the A limit sleeve 215 is fixedly installed, and the interiors of the two limit sleeves 215 are slidably connected with telescopic rods 214, and one end of each telescopic rod 214 located inside the limit sleeve 215 is fixedly connected with a spring 216, and the other end of the spring 216 is fixedly connected to the inner wall of the limit sleeve 215; wherein, the end of the telescopic rod 214 located away from the spring 216 extends to the outside of the limit sleeve 215, and the ends of the two telescopic rods 214 are also fixedly installed with a knocking plate 213, and the outer wall of the knocking plate 213 and located between the two telescopic rods 214 is fixedly connected with a moving sleeve 212, such as Figure 3-Figure 4 As shown, the springs 216 in the figure are all in a stretched state. After the moving rod 211 in the figure cancels the support for the inner wall of the moving sleeve 212, the spring 216 pulls the knocking plate 213 to move in the direction of the moving rod 211, and then the knocking plate 213 cancels the contact with the surface of the hopper 103;

[0025] The middle part of the inner side of the moving block 206 is rotatably connected with a cam 208, and the side of the moving block 206 is also fixedly installed with the motor 207. The output shaft of the motor 207 is fixedly connected with the rotating shaft of the cam 208. The protruding part of the side of the cam 208 is rotatably connected with a connecting rod 209. The connecting rod 209 is located at one end away from the cam 208 and is rotatably connected with a clamping member 210. The middle part of the other side of the clamping member 210 is fixedly connected with a moving rod 211. The moving rod 211 is slidably connected along the middle inner wall of the moving sleeve 212. Figure 4 As shown, when the cam 208 continues to rotate, it drives the connecting rod 209 to move up and down in the longitudinal direction;

[0026] The outer wall of the support frame 201 is fixedly connected with a lifting sleeve 202 on both sides, and the upper end of the outer wall of the lifting sleeve 202 on one side is fixedly installed with a motor 203, the output shaft of the motor 203 faces downward, and the output shaft of the motor 203 is also fixedly connected with a gear 204, and the side of the gear 204 is meshed with the annular rack 205. Figure 1-Figure 2 As shown, the motor 1 203 drives the gear 204 to rotate, and then the gear 204 drives the annular rack 205 to rotate;

[0027] The main body 1 of the vacuum loader includes a lower material bin 101, both sides of the bottom surface of the lower material bin 101 are fixedly connected with support feet 102, one side of the outer wall of the lower material bin 101 is fixedly installed with an electric cylinder 107, the extended end of the electric cylinder 107 faces upward, and the top of the extended end of the electric cylinder 107 is fixedly connected to one of the lifting sleeves 202, guide rods 106 are symmetrically fixedly installed on both sides of the top of the lower material bin 101, and the outer surfaces of the two guide rods 106 are respectively slidably sleeved with each lifting sleeve 202, and a hopper 103 is fixedly installed on the top surface of the lower material bin 101 and located between the two guide rods 106, the top of the hopper 103 is fixedly connected with a suction pump 104, a suction pipe 105 is installed at the input end of the suction pump 104, and the output end of the suction pump 104 is connected to the inside of the hopper 103, a discharge valve is arranged at the lower end of the inner wall of the hopper 103, and the outer surface of the hopper 103 is in active contact with the knocking plate 213, such as Figure 1 As shown, the suction pump 104 introduces the material into the hopper 103 through the suction pipe 105.

[0028] The working principle of this utility model:

[0029] When the device is in use, the second motor 207 is started to drive the cam 208 to rotate continuously, so that the side of the cam 208 drives one end of the connecting rod 209 to move, and the other end of the connecting rod 209 continues to swing inside the clamp 210, and at the same time drives the moving rod 211 to move back and forth along the inside of the moving sleeve 212, and the moving rod 211 can push the moving sleeve 212, so that the knocking plate 213 knocks on the surface of the hopper 103, and the spring 216 pulls the telescopic rod 214 to move and reset inside the limiting sleeve 215, thereby preventing the moving rod 211 from detaching from the inside of the moving sleeve 212, and the knocking plate 213 can continuously knock on the hopper 103;

[0030] Secondly, the extended end of the electric cylinder 107 contracts, thereby driving the support frame 201 to descend through the lifting sleeve 202, thereby changing the relative position of the hopper 103 and the knocking plate 213 in the vertical direction, and the motor 203 drives the gear 204 to rotate, so that the gear 204 pushes the annular rack 205 to rotate on the support frame 201, thereby driving the knocking plate 213 to rotate around the hopper 103.

[0031] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A vacuum loader for easy material unloading, comprising a vacuum loader body (1), a vibration mechanism (2) being arranged above the vacuum loader body (1), the vacuum loader body (1) comprising a suction pump (104) and an electric cylinder (107), and the vibration mechanism (2) comprising a first motor (203) and a second motor (207); It is characterized in that The vibration mechanism (2) further comprises a support frame (201), the top surface of the support frame (201) being limited and movably mounted with an annular rack (205), a bottom end of the annular rack (205) being fixedly mounted with a moving block (206), and the moving block (206) being located as a whole below the support frame (201); A limiting sleeve (215) is symmetrically fixedly installed on one side of the moving block (206); the interiors of the two limiting sleeves (215) are slidably connected to telescopic rods (214); one end of each telescopic rod (214) located inside the limiting sleeve (215) is fixedly connected to a spring (216); the other end of the spring (216) is fixedly connected to the inner wall of the limiting sleeve (215); The telescopic rod (214) is located at one end away from the spring (216) and extends to the outside of the limiting sleeve (215), and the ends of the two telescopic rods (214) are also fixedly mounted with a knocking plate (213), and the outer wall of the knocking plate (213) is fixedly connected with a moving sleeve (212) located between the two telescopic rods (214).

2. A vacuum loading machine for easy unloading according to claim 1, characterized in that: A cam (208) is rotatably connected to the inner middle portion of the moving block (206), and the side of the moving block (206) is also fixedly mounted to the second motor (207), and the output shaft of the second motor (207) is fixedly connected to the rotating shaft of the cam (208).

3. A vacuum loading machine for easy unloading according to claim 2, characterized in that: A protruding portion on the side of the cam (208) is rotatably connected to a connecting rod (209); an end of the connecting rod (209) located away from the cam (208) is rotatably connected to a clamping member (210); a moving rod (211) is fixedly connected to the middle of the other side of the clamping member (210); and the moving rod (211) is slidably connected along the middle inner wall of the moving sleeve (212).

4. A vacuum loading machine for easy unloading according to claim 3, characterized in that: Both sides of the outer wall of the support frame (201) are fixedly connected with a lifting sleeve (202), and the upper end of the outer wall of the lifting sleeve (202) on one side is fixedly installed with the motor 1 (203), the output shaft of the motor 1 (203) faces downward, and the output shaft of the motor 1 (203) is also fixedly connected with a gear (204), and the side of the gear (204) is meshed with the annular rack (205).

5. A vacuum loading machine for easy unloading according to claim 4, characterized in that: The vacuum loader body (1) comprises a material lowering bin (101), both sides of the bottom surface of the material lowering bin (101) are fixedly connected with support legs (102), one side of the outer wall of the material lowering bin (101) is fixedly mounted with an electric cylinder (107), the extension end of the electric cylinder (107) faces upward, and the top of the extension end of the electric cylinder (107) is fixedly connected to one of the lifting sleeves (202).

6. A vacuum loading machine for easy unloading according to claim 5, characterized in that: Guide rods (106) are symmetrically fixedly mounted on both sides of the top of the lower material bin (101), and the outer surfaces of the two guide rods (106) are slidably mounted on the respective lifting sleeves (202).

7. A vacuum loading machine for easy unloading according to claim 6, characterized in that: A hopper (103) is fixedly installed on the top surface of the lower material bin (101) and located between the two guide rods (106); the top of the hopper (103) is fixedly connected to a suction pump (104); a suction pipe (105) is installed at the input end of the suction pump (104); and the output end of the suction pump (104) is connected to the inside of the hopper (103); a discharge valve is provided at the lower end of the inner wall of the hopper (103), and the outer surface of the hopper (103) is in active contact with a knocking plate (213).

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