Powder return chute of packaging machine

Abstract

The powder return chute of the packaging machine comprises a base and a support fixedly installed on the right side of the top of the base, a powder return chute pipe is hinged to the top of the support, a jacking mechanism is arranged on the left side of the top of the base, and the output end of the jacking mechanism is hinged to the powder return chute pipe. The powder return chute pipe is used for replacing an original powder return reamer, the conveying energy of equipment can be improved, the working intensity of equipment maintenance of post personnel can be relieved, the effect that the collision head moves in a reciprocating mode to collide with the powder return chute pipe is achieved through matched use of the rotating mechanism and the spring, and materials can be prevented from remaining on the inner wall of the powder return chute pipe; the situation that a large number of materials are stacked to affect the conveying effect is avoided, and the material conveying effect and efficiency are effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of cement packaging, in particular to a powder return chute of a packaging machine. Background Art

[0002] Cement packaging machine is a special equipment necessary for the production of bagged cement. It is used to complete the automatic packaging of cement. It can also be used to package other powdered materials with good flowability (such as fly ash, cement additives, etc.). Therefore, it is still widely used in small and medium-sized cement plants.

[0003] The known authorized patent with application number: CN202020218025.X discloses a cement packaging machine, including a bottom plate, a bearing box, a connecting push plate, a first connecting plate and a control panel, and a spiral connecting sleeve is fixedly connected to one side of the first support rod. This solution uses an electric push rod installed on one side of the first connecting plate and a jacket and a connecting slide rod fixedly connected to one side of the second connecting plate. The electric push rod can push the second connecting plate to move according to demand, so that the jackets on both sides will slowly approach, so that the jacket can hold the middle of the cement packaging bag, and then push the sliding sleeve, and then place the opening of the packaging bag on the lower end of the fixed block. At this time, the sliding sleeve will move downward due to the elastic force of the spring, thereby driving the fixed block to stretch and fix the opening of the packaging bag, which facilitates the packaging of cement and prevents cement from spilling.

[0004] However, when implementing relevant technologies, it was found that the existing technologies had the following problems: the existing cement packaging machines would use a powder return reamer for powder return processing during use, but the workload of the powder return reamer for later maintenance was large, the labor intensity of personnel was too high, and the conveying capacity of the powder return reamer was low, the material was prone to overflow and leakage, and it was easy to become difficult to manage. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a powder return chute of a packaging machine to solve the above problems in the prior art.

[0006] To achieve the above-mentioned purpose, the powder return chute of the packaging machine provided by the utility model comprises: a base and a bracket fixedly installed on the right side of the top thereof, the top of the bracket is hinged with a powder return chute tube, a jacking mechanism is provided on the left side of the top of the base, and the output end of the jacking mechanism is hinged with the powder return chute tube;

[0007] A plurality of connection blocks are fixedly installed on one side of the powder return chute tube, a movable rod is slidably connected through the vertical section of the connection block, a rack is fixedly connected to one end of the movable rod, a spring is sleeved on the surface of the movable rod, and the two ends of the spring are respectively connected to the connection block and the rack;

[0008] The other end of the movable rod is fixedly connected with a collision head in contact with the powder return chute tube, and a support frame is fixedly installed on the top front side of the base. A rotating mechanism is provided on the inner wall of the support frame, and the output end of the rotating mechanism is meshed and connected with a rack.

[0009] A dust suction mechanism is provided on the other side of the powder return chute pipe, and a hopper is fixedly installed on the top of the powder return chute pipe.

[0010] Furthermore, the rotating mechanism includes a rotating rod rotatably connected between the two sides of the inner wall of the support frame and a plurality of half gears fixedly installed on the surface of the rotating rod and meshing with the rack, and a driving member arranged on one side of the support frame, wherein the driving member is composed of a motor 1 fixedly installed on one side of the support frame, and the output end of the motor 1 passes through the support frame and is connected to the rotating rod.

[0011] Furthermore, the lifting mechanism includes two screw sleeves symmetrically rotatably connected to the left side of the top of the base and a screw threaded in the screw sleeve, and a power component arranged on the top of the base, the screw is hinged to the powder return chute tube, and the power component includes a single-groove pulley fixedly mounted on the surfaces of the two screw sleeves, a motor 2 fixedly mounted on the top of the base, and a double-groove pulley fixedly connected to the output end of the motor 2, and the double-groove pulley is connected to the two single-groove pulleys through belt tensioning.

[0012] Furthermore, the dust suction mechanism includes a plurality of diversion pipes detachably mounted on the other side of the powder return chute pipe, a connecting pipe fixedly mounted at one end of the diversion pipe, and an air suction component arranged on the top of the base, the air suction component consists of a collecting box fixedly mounted on the rear side of the top of the base and a vacuum cleaner installed through the top of the collecting box, the input end of the vacuum cleaner is connected to the connecting pipe through a pipe, the inner bottom wall of the collecting box is slidably connected with a collecting box, the collecting box has a built-in wet sponge board, and a slot is penetrated through one side of the collecting box for facilitating the extraction of the collecting box.

[0013] Compared with the prior art, the beneficial effects of the utility model are: when in use, the return powder chute tube is used instead of the original return powder reamer, which can improve the conveying energy of the equipment and reduce the workload of equipment maintenance personnel. The rotating mechanism and the spring are used in conjunction to achieve the effect of the collision head moving back and forth to collide with the return powder chute tube, which can prevent the material from remaining on the inner wall of the return powder chute tube, avoid the accumulation of a large amount of material affecting the conveying effect, and effectively improve the effect and efficiency of material conveying.

[0014] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall side structure of the utility model;

[0017] Figure 3 This utility model Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 4 It is a partial structural schematic diagram of the base of the utility model.

[0019] In the figure: 1. base; 2. bracket; 3. powder return chute pipe; 4. connecting block; 5. movable rod; 6. rack; 7. spring; 8. collision head; 9. support frame; 10. rotating rod; 11. half gear; 12. motor one; 13. screw sleeve; 14. screw; 15. single-groove pulley; 16. motor two; 17. double-groove pulley; 18. diverter pipe; 19. connecting pipe; 20. collection box; 21. vacuum cleaner; 22. collection box; 23. wet sponge board; 24. hopper. DETAILED DESCRIPTION

[0020] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings, but the protection scope of the utility model is not limited to the following.

[0021] Reference Figure 1-4 As shown, the powder return chute of the packaging machine comprises: a base 1 and a bracket 2 fixedly mounted on the top right side thereof, characterized in that a powder return chute tube 3 is hingedly connected to the top of the bracket 2, a lifting mechanism is provided on the top left side of the base 1, and the output end of the lifting mechanism is hingedly connected to the powder return chute tube 3;

[0022] A plurality of connecting blocks 4 are fixedly installed on one side of the powder return chute pipe 3, and a movable rod 5 is slidably connected to the vertical section of the connecting block 4, and one end of the movable rod 5 is fixedly connected to a rack 6. A spring 7 is sleeved on the surface of the movable rod 5, and the two ends of the spring 7 are respectively connected to the connecting block 4 and the rack 6;

[0023] The other end of the movable rod 5 is fixedly connected with a collision head 8 in contact with the powder return chute tube 3, and a support frame 9 is fixedly installed on the top front side of the base 1. The inner wall of the support frame 9 is provided with a rotating mechanism, and the output end of the rotating mechanism is meshed and connected with the rack 6;

[0024] A dust collecting mechanism is provided on the other side of the powder return chute pipe 3 , and a hopper 24 is fixedly mounted on the top of the powder return chute pipe 3 .

[0025] The utility model provides a technical solution. When in use, cement material enters the powder return chute pipe 3 through the hopper 24 for transportation. The powder return chute pipe 3 is used to replace the original powder return reamer, which can improve the transportation energy of the equipment and reduce the work intensity of equipment maintenance personnel. In the transportation process, the rotating mechanism rotates and engages with the rack 6, driving the movable rod 5 to slide and stretch the spring 7, so that the collision head 8 is separated from the powder return chute pipe 3. After the rotating mechanism is separated from the rack 6, the spring 7 drives the movable rod 6 to reset, so that the collision head 8 collides with the powder return chute pipe 3 to generate vibration. The spring 7 and the rotating mechanism are used in combination to achieve the effect of reciprocating movement of the collision head 8 to collide with the powder return chute pipe 3, which can prevent material from remaining on the inner wall of the powder return chute pipe 3, avoid a large amount of material accumulation affecting the transportation effect, and effectively improve the material transportation effect and efficiency.

[0026] Preferably: the rotating mechanism includes a rotating rod 10 rotatably connected between the two sides of the inner wall of the support frame 9, a plurality of half gears 11 fixedly installed on the surface of the rotating rod 10 and meshingly connected with the rack 6, and a driving member arranged on one side of the support frame 9, the driving member is composed of a motor 12 fixedly installed on one side of the support frame 9, and the output end of the motor 12 passes through the support frame 9 and is connected to the rotating rod 10.

[0027] Specifically, the motor 12 drives the rotating rod 10 to rotate, so that the half gear 11 rotates and meshes with the rack 6, and the rack 6 drives the movable rod 5 to slide and stretch the spring 7. The half gear 11 cooperates with the spring 7, so that the collision head 8 can reciprocate and collide with the powder return chute tube 3 to generate vibration.

[0028] Preferably: the lifting mechanism includes two screw sleeves 13 symmetrically rotatably connected to the left side of the top of the base 1 and a screw 14 threadedly connected to the screw sleeve 13, and a power component arranged on the top of the base 1, the screw 14 is hinged to the powder return chute tube 3, the power component includes a single-groove pulley 15 fixedly mounted on the surface of the two screw sleeves 13, a motor 2 16 fixedly mounted on the top of the base 1, and a double-groove pulley 17 fixedly connected to the output end of the motor 2 16, and the double-groove pulley 17 is connected to the two single-groove pulleys 15 by belt tensioning.

[0029] Specifically, the double-groove pulley 17 is driven to rotate by the second motor 16, and the single-groove pulley 15 and the two screw sleeves 13 are synchronously driven to rotate under the action of the belt, so that the screw 14 is lifted and lowered to cooperate with the bracket 2 to drive the powder return chute pipe 3 to tilt, thereby achieving the effect of adjusting the conveying speed of the powder return chute pipe 3.

[0030] Preferably: the dust suction mechanism includes a plurality of branch pipes 18 detachably mounted on the other side of the powder return chute pipe 3, a connecting pipe 19 fixedly mounted at one end of the branch pipe 18, and an air suction component arranged on the top of the base 1, the air suction component consists of a collecting box 20 fixedly mounted on the top rear side of the base 1 and a dust collector 21 installed through the top of the collecting box 20, the input end of the dust collector 21 is connected to the connecting pipe 19 through a pipeline, a collecting box 22 is slidably connected to the inner bottom wall of the collecting box 20, a wet sponge board 23 is built into the collecting box 22, and a slot for facilitating the extraction of the collecting box 22 is opened through one side of the collecting box 20.

[0031] Specifically, during the process of conveying the material through the powder return chute pipe 3, a negative pressure is formed in the connecting pipe 19 through the vacuum cleaner 21, so that the dust generated by the conveying in the powder return chute pipe 3 is sucked into the connecting pipe 19, and conveyed to the collecting box 20 and falls on the wet sponge board 23, which can prevent the dust from floating secondary. Pulling the collecting box 22 drives the wet sponge board 23 to move out of the collecting box 20, so as to facilitate the treatment of the wet sponge board 23 and the dust;

[0032] It should be noted that the vacuum cleaner 21 is a prior art, and the collection box 20 is a collection component external to the vacuum cleaner 21 , that is, the dust extracted by the vacuum cleaner 21 can be directly collected in the collection box 20 .

Claims

1. The powder return chute of the packaging machine includes: The base (1) and a bracket (2) fixedly mounted on the right side of the top thereof are characterized in that a powder return chute tube (3) is hingedly connected to the top of the bracket (2), a jacking mechanism is provided on the left side of the top of the base (1), and the output end of the jacking mechanism is hingedly connected to the powder return chute tube (3); A plurality of connection blocks (4) are fixedly mounted on one side of the powder return chute tube (3); a movable rod (5) is slidably connected to a vertical section of the connection block (4); one end of the movable rod (5) is fixedly connected to a rack (6); a spring (7) is sleeved on the surface of the movable rod (5); and both ends of the spring (7) are respectively connected to the connection block (4) and the rack (6); The other end of the movable rod (5) is fixedly connected to a collision head (8) in contact with the powder return chute tube (3); a support frame (9) is fixedly installed on the top front side of the base (1); a rotating mechanism is provided on the inner wall of the support frame (9); and the output end of the rotating mechanism is meshedly connected to the rack (6); A dust suction mechanism is provided on the other side of the powder return chute pipe (3), and a hopper (24) is fixedly mounted on the top of the powder return chute pipe (3).

2. The powder return chute of the packaging machine according to claim 1, characterized in that: The rotating mechanism comprises a rotating rod (10) rotatably connected between two sides of the inner wall of the support frame (9), a plurality of half gears (11) fixedly mounted on the surface of the rotating rod (10) and meshingly connected to the rack (6), and a driving member arranged on one side of the support frame (9).

3. The powder return chute of the packaging machine according to claim 2, characterized in that: The driving member is composed of a motor 1 (12) fixedly mounted on one side of a support frame (9), and an output end of the motor 1 (12) passes through the support frame (9) and is connected to a rotating rod (10).

4. The powder return chute of the packaging machine according to claim 1, characterized in that: The lifting mechanism comprises two screw sleeves (13) symmetrically rotatably connected to the left side of the top of the base (1), a screw rod (14) threadedly connected in the screw sleeve (13), and a power component arranged on the top of the base (1), wherein the screw rod (14) is hingedly connected to the powder return chute pipe (3).

5. The powder return chute of the packaging machine according to claim 4, characterized in that: The power component comprises a single-groove pulley (15) fixedly mounted on the surfaces of the two screw sleeves (13), a second motor (16) fixedly mounted on the top of the base (1), and a double-groove pulley (17) fixedly connected to the output end of the second motor (16), wherein the double-groove pulley (17) is connected to the two single-groove pulleys (15) through a belt tensioning connection.

6. The powder return chute of the packaging machine according to claim 1, characterized in that: The dust suction mechanism comprises a plurality of shunt pipes (18) detachably mounted on the other side of the powder return chute pipe (3), a connecting pipe (19) fixedly mounted on one end of the shunt pipe (18), and an air suction component arranged on the top of the base (1).

7. The powder return chute of the packaging machine according to claim 6, characterized in that: The air suction component comprises a collection box (20) fixedly mounted on the rear side of the top of the base (1) and a dust collector (21) installed through the top of the collection box (20); the input end of the dust collector (21) is connected to a connecting pipe (19) via a pipeline.

8. The powder return chute of the packaging machine according to claim 7, characterized in that: The inner bottom wall of the collection box (20) is slidably connected to a collection box (22), wherein a wet sponge plate (23) is built into the collection box (22), and a slot for facilitating extraction of the collection box (22) is provided through one side of the collection box (20).

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