Powder adding device of selenium drum

Abstract

The utility model belongs to the technical field of printers, particularly relates to a toner cartridge powder adding device, and aims to solve the problem of low working efficiency caused by the fact that the conventional powder adding device cannot effectively dredge carbon powder blocked in an extrusion container, and adopts the following scheme that the toner cartridge powder adding device comprises an extrusion device arranged on the extrusion container; the first springback device is arranged on the extrusion device, and the first springback device is used for driving the extrusion device and the lifting device to move upwards; the lifting device is arranged on the extrusion device; the protection device is arranged at the bottom of the extrusion cylinder; the second springback device is arranged on the protection device, and the second springback device is used for driving the rubber protection cover to reset; the buckling device is arranged at the bottom of the extrusion cylinder; according to the utility model, carbon powder blocked in the extrusion cylinder can be effectively dredged, so that the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printers, in particular to a powder adding device of a selenium drum. BACKGROUND

[0002] The selenium drum is a core component of a laser printer. Nowadays, more and more individuals and enterprises purchase carbon powder to add to old selenium drums through powder adding devices. The powder adding device can quickly guide the carbon powder into the selenium drum, thereby improving the powder adding efficiency.

[0003] The patent document with the publication number CN221977270U discloses a powder adding device of a selenium drum, which comprises a feeding pipe. The upper part of the feeding pipe is connected with a guide hopper. The inside of the guide hopper is connected with a mounting bracket. The inside of the mounting bracket is provided with a mounting hole. The inside of the feeding pipe and the guide hopper and the outside of the guide hopper are provided with dredging mechanisms. The powder adding device of the selenium drum has the advantages of convenient operation. The operator holds the guide hopper with the right hand, dredges the carbon powder with the right thumb, and pours the carbon powder into the guide hopper with the left hand. When the operator presses the driving rod with the thumb of the hand holding the guide hopper, the dredging rod and the fork rod move downward. When the operator loses the force on the driving rod, the spring can make the dredging rod move upward to the initial position. Repeatedly moving the dredging rod upward and downward can dredge the carbon powder. The above-mentioned arrangement solves the problem of inconvenient operation.

[0004] However, the existing powder adding device cannot effectively dredge the carbon powder blocked in the extrusion cylinder, thereby causing the problem of low work efficiency. Therefore, a powder adding device of a selenium drum is proposed. Content of the utility model

[0005] In order to improve the problem that the existing powder adding device cannot effectively dredge the carbon powder blocked in the extrusion cylinder, thereby causing the problem of low work efficiency, the present application provides a powder adding device of a selenium drum.

[0006] The powder adding device of the selenium drum provided by the present application adopts the following technical scheme:

[0007] A powder adding device of a selenium drum comprises:

[0008] An extrusion cylinder;

[0009] An extrusion device, which is arranged on the extrusion cylinder;

[0010] A first rebound device, which is arranged on the extrusion device;

[0011] A lifting device, which is arranged on the extrusion device;

[0012] A protection device, which is arranged at the bottom of the extrusion cylinder;

[0013] A second rebounding device is arranged on the protective device;

[0014] A buckling device is arranged at the bottom of the extrusion cylinder.

[0015] Further, the extrusion device comprises a push rod, an extrusion plate, a fixed plate and four supporting rods, an opening is arranged on the extrusion cylinder, the push rod is in sliding connection with the opening, the push rod is fixedly connected with the fixed plate, and the two ends of the four supporting rods are fixedly connected with the fixed plate and the extrusion plate respectively.

[0016] Further, the first rebounding device comprises a first spring, a round rod and a cylinder, the two ends of the first spring are fixedly connected with the round rod and the cylinder respectively, the extrusion plate is fixedly connected with the cylinder, the inner wall of the extrusion cylinder is fixedly connected with the round rod, and the round rod is in sliding connection with the cylinder, and the first rebounding device is used to drive the upward movement of the extrusion device and the lifting device.

[0017] Further, the lifting device comprises two lifting rods, a plurality of stirring blades, a sliding block, a first limiting block and a second limiting block, the two lifting rods are fixedly connected with the extrusion cylinder, two rubber sealing members are embedded on the extrusion plate, the two lifting rods are in sliding connection with the two rubber sealing members respectively, the first limiting block is fixedly connected with the fixed plate, the second limiting block is fixedly connected with the extrusion plate, the sliding block is located on the second limiting block, a lifting block is fixedly connected with the sliding block, and the plurality of stirring blades are fixedly connected with the lifting block.

[0018] Further, the protective device comprises a guide pipe and a rubber protective cover, a hole is arranged on the extrusion cylinder, the hole is fixedly connected with the guide pipe, and the extrusion cylinder is fixedly connected with the rubber protective cover.

[0019] Further, the second rebounding device comprises a second spring and an extension rod, the two ends of the second spring and the extension rod are fixedly connected with the bottom of the extrusion cylinder and the rubber protective cover respectively, and the second rebounding device is used to drive the resetting work of the rubber protective cover.

[0020] Further, the buckling device comprises two buckles, two clamping grooves are arranged on the rubber protective cover, and the two buckles are matched with the two clamping grooves respectively.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] 1. By pressing the extrusion cylinder, the extrusion cylinder drives the movement of the two second springs, the rubber protective cover, the two extension rods and the two buckles, and under the action of pressure, a negative pressure is formed in the rubber protective cover, so that a protective range is formed on the surface of the selenium drum, and the overflow of powder is avoided.

[0023] 2, by pressing the push rod, the push rod will drive the fixed plate, four support rods, the first spring, the cylinder, the extrusion plate and the lifting device to move down, the extrusion plate will push the powder out of the catheter, add selenium drum inside, at the same time, the sliding block will be in the groove under the second limiting block under the action of gravity, when the extrusion plate is pressed, the lifting block will be driven by the sliding block to move upward, when the sliding block moves upward, it will be blocked by the wavy surface of the second limiting block, so that the lifting block can rotate to the left to loosen the carbon powder. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the overall structure schematic diagram of embodiment one of the present application;

[0025] Figure 2 is the internal structure schematic diagram of embodiment one of the present application;

[0026] Figure 3 is the first rebound device structure schematic diagram of embodiment one of the present application;

[0027] Figure 4 is the lifting device structure schematic diagram of embodiment one of the present application.

[0028] Reference signs: 1, push rod; 2, opening; 3, extrusion cylinder; 4, buckle; 5, clamping groove; 6, rubber protective cover; 7, catheter; 8, lifting rod; 9, extrusion plate; 10, rubber sealing element; 11, hole; 12, round rod; 13, first spring; 14, cylinder; 15, fixed plate; 16, sliding block; 17, stirring blade; 18, lifting block; 19, first limiting block; 20, second limiting block; 21, second spring; 22, telescopic rod; 23, support rod. DETAILED DESCRIPTION Embodiment one

[0029] The following will be combined with the Figures 1-4 The embodiment one in the present application will be further described in detail.

[0030] The installation method of the powder adding device of a selenium drum refers to Figure 1 , comprising:

[0031] extrusion cylinder 3;

[0032] extrusion device, the extrusion device is arranged on the extrusion cylinder 3;

[0033] first rebound device, the first rebound device is arranged on the extrusion device;

[0034] lifting device, the lifting device is arranged on the extrusion device;

[0035] protective device, the protective device is arranged at the bottom of the extrusion cylinder 3;

[0036] The second rebound device is arranged on the protection device.

[0037] The buckle device is arranged at the bottom of the extrusion cylinder 3.

[0038] Referring to Figures 2-4 The extrusion device comprises a push rod 1, an extrusion plate 9, a fixed plate 15 and four supporting rods 23. An opening 2 is formed in the extrusion cylinder 3. The push rod 1 is in sliding connection with the opening 2. The push rod 1 is fixedly connected with the fixed plate 15. The two ends of the four supporting rods 23 are fixedly connected with the fixed plate 15 and the extrusion plate 9 respectively.

[0039] The first rebound device comprises a first spring 13, a round rod 12 and a cylinder 14. The two ends of the first spring 13 are fixedly connected with the round rod 12 and the cylinder 14 respectively. The extrusion plate 9 is fixedly connected with the cylinder 14. The inner wall of the extrusion cylinder 3 is fixedly connected with the round rod 12. The round rod 12 is in sliding connection with the cylinder 14. The first rebound device is used to drive the upward movement of the extrusion device and the lifting device.

[0040] The lifting device comprises two lifting rods 8, a plurality of stirring blades 17, a sliding block 16, a first limiting block 19 and a second limiting block 20. The two lifting rods 8 are fixedly connected with the extrusion cylinder 3. The extrusion plate 9 is embedded with two rubber sealing members 10. The two lifting rods 8 are in sliding connection with the two rubber sealing members 10 respectively. The first limiting block 19 is fixedly connected with the fixed plate 15. The second limiting block 20 is fixedly connected with the extrusion plate 9. The sliding block 16 is located on the second limiting block 20. The sliding block 16 is fixedly connected with a lifting block 18. The plurality of stirring blades 17 are fixedly connected with the lifting block 18.

[0041] The protection device comprises a guide pipe 7 and a rubber protection cover 6. A hole 11 is formed in the extrusion cylinder 3. The hole 11 is fixedly connected with the guide pipe 7. The extrusion cylinder 3 is fixedly connected with the rubber protection cover 6.

[0042] The second rebound device comprises a second spring 21 and an extension rod 22. The two ends of the second spring 21 and the extension rod 22 are fixedly connected with the bottom of the extrusion cylinder 3 and the rubber protection cover 6 respectively. The second rebound device is used to drive the resetting work of the rubber protection cover 6.

[0043] The buckle device comprises two buckles 4. Two clamping grooves 5 are formed in the rubber protection cover 6. The two buckles 4 are matched with the two clamping grooves 5 respectively.

[0044] The implementation principle of the powder adding device of the selenium drum is as follows: in use, the conduit 7 is inserted into the powder adding hole of the selenium drum, the pressing cylinder 3 is pressed, the pressing cylinder 3 drives the two second springs 21, the rubber protective cover 6, the two telescopic rods 22 and the two buckles 4 to move, under the action of the pressure, a negative pressure is formed in the rubber protective cover 6, so that the surface of the selenium drum is adhered, a protective range is formed, and overflow of the powder is avoided (at the same time, under the cooperation of the two buckles 4 and the two clamping grooves 5, the two second springs 21 are in the extrusion state, in the subsequent process of taking down the pressing cylinder 3, the two buckles 4 are separated from the two clamping grooves 5, so that the two second springs 21 release the pressure, and the rubber protective cover 6 is conveniently taken down from the selenium drum), then the push rod 1 is pressed, the push rod 1 drives the fixed plate 15, the four supporting rods 23, the first spring 13, the cylinder 14, the pressing plate 9 and the lifting device to move downwards, the pressing plate 9 pushes the powder out of the conduit 7 and into the selenium drum, and at the same time, under the action of the gravity, the sliding block 16 moves in the groove below the second limiting block 20, when the pressing plate 9 is pressed, the lifting block 18 is driven to move upwards by the resistance of the second limiting block 19, when the sliding block 16 moves upwards, the lifting block 18 can rotate to the left to loosen the carbon powder. Embodiment two

[0045] The difference between the embodiment and the embodiment one is that the pressing cylinder 3 is provided with a glass observation plate, the amount of the carbon powder in the pressing cylinder 3 can be observed, and the operator can conveniently add the carbon powder into the pressing cylinder 3 in time.

[0046] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: all equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A toner filling device of a selenium drum, characterized by: The utility model relates to an extrusion device for the production of food, which comprises: an extrusion cylinder (3); an extrusion device arranged on the extrusion cylinder (3); a first elastic device arranged on the extrusion device; a lifting device arranged on the extrusion device; a protective device arranged at the bottom of the extrusion cylinder (3); a second elastic device arranged on the protective device; a buckle device arranged at the bottom of the extrusion cylinder (3).

2. The powder adding device of a toner cartridge according to claim 1, wherein: The extrusion device comprises a push rod (1), an extrusion plate (9), a fixed plate (15) and four supporting rods (23), the extrusion cylinder (3) is provided with an opening (2), the push rod (1) is in sliding connection with the opening (2), the push rod (1) is fixedly connected with the fixed plate (15), and the two ends of the four supporting rods (23) are fixedly connected with the fixed plate (15) and the extrusion plate (9) respectively.

3. The powder adding device of a toner cartridge according to claim 2, wherein: The first elastic device comprises a first spring (13), a round rod (12) and a cylinder (14), the two ends of the first spring (13) are fixedly connected with the round rod (12) and the cylinder (14) respectively, the extrusion plate (9) is fixedly connected with the cylinder (14), the inner wall of the extrusion cylinder (3) is fixedly connected with the round rod (12), the round rod (12) is in sliding connection with the cylinder (14), and the first elastic device is used for driving the extrusion device and the lifting device to move upwards.

4. The powder adding device of a toner cartridge according to claim 3, wherein: The lifting device comprises two lifting rods (8), a plurality of stirring blades (17), a sliding block (16), a first limiting block (19) and a second limiting block (20), the two lifting rods (8) are fixedly connected with the extrusion cylinder (3), the extrusion plate (9) is embedded with two rubber sealing elements (10), the two lifting rods (8) are in sliding connection with the two rubber sealing elements (10) respectively, the first limiting block (19) is fixedly connected with the fixed plate (15), the second limiting block (20) is fixedly connected with the extrusion plate (9), the sliding block (16) is located on the second limiting block (20), the lifting block (18) is fixedly connected with the sliding block (16), and the plurality of stirring blades (17) are fixedly connected with the lifting block (18).

5. The powder adding device of a toner cartridge according to claim 4, wherein: The protective device comprises a guide pipe (7) and a rubber protective cover (6), the extrusion cylinder (3) is provided with a hole (11), the hole (11) is fixedly connected with the guide pipe (7), and the extrusion cylinder (3) is fixedly connected with the rubber protective cover (6).

6. The powder adding device of a toner cartridge according to claim 5, wherein: The second elastic device comprises a second spring (21) and a telescopic rod (22), the two ends of the second spring (21) and the telescopic rod (22) are fixedly connected with the bottom of the extrusion cylinder (3) and the rubber protective cover (6) respectively, and the second elastic device is used for driving the rubber protective cover (6) to reset.

7. The powder adding device of a toner cartridge according to claim 6, wherein: The buckle device comprises two buckles (4), the rubber protective cover (6) is provided with two clamping grooves (5), and the two buckles (4) are matched with the two clamping grooves (5) respectively.

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