Copying machine carbon powder crushing device with screening function

Abstract

The utility model discloses a copier carbon powder crushing device with a screening function, which comprises a box body, a feeding hole is connected to the top of the box body in a penetrating manner, two groups of supporting legs are symmetrically mounted at the bottom of the box body, and crushing roll shafts are symmetrically and rotatably connected to the upper part of the interior of the box body through bearings; a material guide plate is fixedly mounted in the box body and located below the crushing roller shaft, a screening assembly is arranged in the box body and comprises fixed plates symmetrically mounted on one side in the box body, a rotating shaft is rotationally connected between the fixed plates through a bearing, and movable plates are arranged on one sides of the two fixed plates; a fixed rod is fixedly installed between the movable plates, and a first offset gear is fixedly installed in the center of the outer portion of the rotating shaft; and the carbon powder can be screened after being crushed, so that the situation that the crushed carbon powder is not thoroughly crushed can be avoided, the production quality of the carbon powder is not influenced, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon powder production, in particular to a carbon powder crushing device for a copier with a screening function. Background Art

[0002] Carbon powder, also known as toner, is mainly used in laser printers in printing machinery. Carbon powder is composed of resin and carbon black, charging agent and magnetic powder. A crushing device is used in the production process of carbon powder to crush the toner raw materials for subsequent processing. The crushing is mainly carried out using an ultra-fine crushing and grading system.

[0003] Publication No. CN208727705U discloses a pulverizing device for producing printer toner. The patent provides a curved opening on the front of the shell to allow the round roller to rotate inside the curved opening and a clamping ring to be clamped into the inside of the concave block through a clamping block, so that the round roller can be effectively rotated inside the curved opening, and the stability of the round roller during rotation is also increased. An inner opening is provided on the curved opening, and a filter is provided on the inner opening, so that the toner in the shell can be effectively squeezed and crushed through the filter, and the efficiency of impact grinding of the toner is increased. At the same time, the use effect of the printer toner pulverizing device is greatly enhanced, and the use needs of users are met. However, the patent still has the following problems in actual use:

[0004] By opening an inner opening on the bend and setting a filter on the inner opening, the carbon powder in the outer shell can be effectively squeezed and crushed through the filter, thereby increasing the efficiency of impact grinding of the carbon powder. However, in actual use, the carbon powder cannot be screened after crushing, and the carbon powder cannot be completely crushed after crushing. It is easy for particles of different sizes to occur in the carbon powder, which will affect the production quality of the carbon powder.

[0005] A toner pulverizing device for a copying machine with a screening function is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a toner pulverizing device for a copier with a screening function, so as to solve the problem proposed in the above-mentioned background technology that an inner opening is currently opened on the curved opening, and a filter is arranged on the inner opening, so that the toner in the outer shell can be effectively squeezed and pulverized through the filter, thereby increasing the efficiency of impact grinding of the toner. However, in actual use, the toner cannot be sieved after being pulverized, the toner cannot be completely pulverized after being pulverized, and particles of different sizes are easily present in the toner, thereby affecting the production quality of the toner.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a toner pulverizing device for a copier with a screening function, comprising a box;

[0008] The top of the box body is connected through a feed port, and the bottom of the box body is symmetrically installed with two sets of supporting feet;

[0009] Also includes:

[0010] The upper part of the box is symmetrically rotatably connected with a crushing roller through a bearing, and a material guide plate is fixedly installed below the crushing roller inside the box, and a screening assembly is arranged inside the box;

[0011] The screening assembly comprises fixed plates symmetrically mounted on one side of the box body, and a rotating shaft is rotatably connected between the fixed plates through a bearing, and a movable plate is arranged on one side of the two fixed plates, and a fixing rod is fixedly mounted between the movable plates;

[0012] Wherein, a first offset gear is fixedly installed at the outer center of the rotating shaft, and a second offset gear is rotatably connected to the outer center of the fixed rod through a bearing, and the first offset gear is meshedly connected with the second offset gear.

[0013] Preferably, two groups of turntables are symmetrically installed on the outside of the rotating shaft, and a circular disc is symmetrically installed on the outside of the fixed rod, and an annular groove is opened on one side of the two groups of turntables, and column blocks are symmetrically installed on both sides of the circular disc, and the column blocks are slidably connected to the annular groove.

[0014] Preferably, a plurality of discharge hoppers are fixedly mounted on one side of the fixed rod, and a plurality of through holes are penetrated through the tops of the two upper discharge hoppers, and a plurality of through slots are opened on the outside of the side of the box body away from the fixed rod, and a limiting block is fixedly mounted on one side of the bottom of the plurality of discharge hoppers, and the limiting block is slidably connected to the through slot.

[0015] Preferably, a mounting plate is fixedly installed on the other side of the box, and a driving motor is fixedly installed on the top of the mounting plate, and a connecting groove is penetrated through the top of the mounting plate close to the side of the box, and a first pulley is fixedly installed on the outside of the output end of the driving motor, and the output end of the driving motor passes through the box and is fixedly connected to the crushing roller shaft on one side, and the ends of the two crushing roller shafts away from the driving motor pass through the box and are fixedly installed with rotating gears, and the two rotating gears are meshed and connected with each other.

[0016] Preferably, a side of the box body close to the first offset gear is rotatably connected to a rotating rod through a bearing engagement, and one end of the rotating rod is fixedly installed with the first bevel gear, and a second bevel gear is fixedly installed on the side of the outside of the rotating shaft close to the first offset gear, and the second bevel gear is meshingly connected to the first bevel gear, and the outer side of the rotating rod close to the first bevel gear and the outer side of the rotating shaft close to the second bevel gear are both rotatably connected to a limiting frame through bearing engagement, and the other end of the rotating rod is fixedly installed with a second pulley, and the second pulley is rotatably connected to the first pulley through a belt.

[0017] Preferably, a fixing frame is symmetrically engaged and rotatably connected to the outer side of the rotating shaft near the fixing plate through a bearing, and the fixing frame is fixedly connected to the box body.

[0018] Preferably, the two fixed plates are each provided with an installation groove, and the installation rods are symmetrically installed inside the installation grooves, and the two installation rods are each provided with a sliding sleeve outside, and the sliding sleeve is slidably connected to the installation rods, and a connecting rod is fixedly installed between the two sliding sleeves, and the connecting rod is slidably connected to the fixed plate, and the connecting rod is fixedly connected to the movable plate.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the toner pulverizing device for a copier with a sieving function is provided with a sieving assembly inside the box, so that the toner can be sifted after pulverizing, which can avoid incomplete pulverization of the toner after pulverizing, avoid affecting the production quality of the toner, and improve the practicality. The specific contents are as follows:

[0020] 1. A screening assembly is provided inside the box. When the carbon powder is crushed, the raw material is put into the box through the feed port, and the driving motor on the mounting plate is started to drive the crushing roller shaft on one side to rotate. The meshing of the two rotating gears can drive the two crushing roller shafts to rotate simultaneously to crush the carbon powder. The crushed carbon powder falls on the uppermost discharge hopper through the guide plate. The rotation of the rotating shaft can make the first offset gear mesh with the second offset gear, and the rotating shaft can drive the turntable to rotate while rotating. After the turntable rotates, the annular groove can slide on the column block on the disc, thereby pushing the fixed rod to move. The movement of the fixed rod drives the connecting rod to slide on the fixed plate while moving. , and can drive the sliding sleeve to slide on the mounting rod, so that the movement of the movable plate is limited, and then a plurality of discharge hoppers can be driven to move back and forth, so that the carbon powder can be screened, and the larger ones can be discharged through the two upper discharge hoppers, and the carbon powder that meets the demand is discharged from the lowermost discharge hopper, and the limit block slides on the through slot while the discharge hopper moves, and the movement of the discharge hopper is limited, so as to complete the screening of the carbon powder after crushing, and the screened larger carbon powder can be poured back into the box for crushing, and the carbon powder can be screened after crushing through the screening component, which can avoid incomplete crushing of the carbon powder after crushing, avoid affecting the production quality of the carbon powder, and improve practicality;

[0021] 2. The driving motor can drive the first pulley to rotate while running, and the first pulley can drive the second pulley to rotate through the belt, so that the rotating rod rotates on the box body, and then the rotating shaft can be driven to rotate through the meshing of the first bevel gear and the second bevel gear. The first bevel gear and the second bevel gear are limited by a limit frame to avoid tooth disengagement between the first bevel gear and the second bevel gear. The rotating shaft is supported and limited by a fixed frame to improve the stability of the rotation of the rotating shaft, so that the driving motor can synchronously drive the rotating rod and the crushing roller shaft to rotate, so that the overall operation is driven by only one driving motor, saving manufacturing cost and use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 3 This is a partial upward sectional structural diagram of the screening assembly of the utility model;

[0025] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure of the middle B area;

[0026] Figure 5It is a schematic diagram of the side structure of the utility model.

[0027] In the figure: 1, box body; 101, feed inlet; 102, support foot; 103, guide plate; 104, crushing roller shaft; 105, rotating gear; 2, screening assembly; 201, fixed plate; 202, rotating shaft; 203, movable plate; 204, fixed rod; 205, first offset gear; 206, second offset gear; 207, disc; 208, rotating disc; 209, column block; 210, annular groove; 211, discharge hopper; 212, through hole; 213, through slot; 214, limit block; 215, mounting plate; 216, drive motor; 217, first pulley; 218, rotating rod; 219, first bevel gear; 220, second bevel gear; 221, limit frame; 222, second pulley; 223, fixed frame; 224, mounting slot; 225, mounting rod; 226, sliding sleeve; 227, connecting rod. DETAILED DESCRIPTION

[0028] 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 implementation regulations described 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.

[0029] See also Figure 1-5 The utility model provides a technical solution: a toner pulverizing device for a copier with a screening function, comprising a box body 1, a feed inlet 101 is connected through the top of the box body 1, and two sets of supporting feet 102 are symmetrically installed at the bottom of the box body 1, and also comprising: a pulverizing roller shaft 104 is symmetrically rotatably connected to the upper part of the box body 1 through a bearing, and a guide plate 103 is fixedly installed below the pulverizing roller shaft 104 in the box body 1, and a screening component 2 is arranged inside the box body 1, wherein the screening component 2 includes a fixed plate 201 symmetrically installed on one side of the inside of the box body 1, and the fixed plates 201 are rotatably connected to each other through a bearing. A rotating shaft 202 is connected, and a movable plate 203 is provided on one side of the two fixed plates 201, and a fixed rod 204 is fixedly installed between the movable plates 203, wherein a first offset gear 205 is fixedly installed at the outer center of the rotating shaft 202, and a second offset gear 206 is rotatably connected to the outer center of the fixed rod 204 through a bearing, and the first offset gear 205 is meshingly connected with the second offset gear 206. The screening component 2 allows the carbon powder to be screened after being crushed, which can avoid incomplete crushing of the carbon powder after crushing, avoid affecting the production quality of the carbon powder, and improve practicality.

[0030] Two sets of rotating disks 208 are symmetrically installed on the outside of the rotating shaft 202, and a disc 207 is symmetrically installed on the outside of the fixed rod 204, and an annular groove 210 is opened on one side of the two sets of rotating disks 208, and column blocks 209 are symmetrically installed on both sides of the disc 207, and the column blocks 209 are slidably connected with the annular groove 210, so that the fixed rod 204 can be driven to reciprocate, and a plurality of discharge hoppers 211 are fixedly installed on one side of the fixed rod 204, and a plurality of through holes 212 are penetrated through the tops of the two upper discharge hoppers 211, and a plurality of through grooves 213 are opened on the outside of the side of the box body 1 away from the fixed rod 204, and a limiting block 214 is fixedly installed on one side of the bottom of the plurality of discharge hoppers 211. , and the limit block 214 is slidably connected with the through groove 213, so that the carbon powder can be screened. A mounting plate 215 is fixedly installed on the other side of the box body 1, and a driving motor 216 is fixedly installed on the top of the mounting plate 215, and a connecting groove is penetrated through the top of the mounting plate 215 close to the side of the box body 1, and a first pulley 217 is fixedly installed on the outside of the output end of the driving motor 216, and the output end of the driving motor 216 passes through the box body 1 and is fixedly connected to the crushing roller shaft 104 on one side, and the ends of the two crushing roller shafts 104 away from the driving motor 216 both pass through the box body 1 and are fixedly installed with a rotating gear 105, and the two rotating gears 105 are meshed and connected with each other, so that the carbon powder can be crushed.

[0031] A side of the housing 1 close to the first offset gear 205 is rotatably connected with a rotating rod 218 through a bearing engagement, and one end of the rotating rod 218 is fixedly installed with a first bevel gear 219, and a second bevel gear 220 is fixedly installed on the side of the outer side of the rotating shaft 202 close to the first offset gear 205, and the second bevel gear 220 is meshed with the first bevel gear 219, and the outer side of the rotating rod 218 close to the first bevel gear 219 and the outer side of the rotating shaft 202 close to the second bevel gear 220 are both rotatably connected to a limiting frame 221 through a bearing engagement, and the other end of the rotating rod 218 is fixedly installed with a second pulley 222, and the second pulley 222 is rotatably connected to the first pulley 217 through a belt, so that the driving motor 216 can To drive the rotating shaft 202 to rotate, the outer side of the rotating shaft 202 close to the fixed plate 201 is symmetrically engaged and rotatably connected with a fixing frame 223 through a bearing, and the fixing frame 223 is fixedly connected to the box body 1 to support the rotation of the rotating shaft 202. The insides of the two fixed plates 201 are each provided with a mounting groove 224, and the insides of the mounting grooves 224 are symmetrically installed with mounting rods 225, and the outsides of the two mounting rods 225 are each sleeved with a sliding sleeve 226, and the sliding sleeve 226 is slidably connected to the mounting rod 225, and a connecting rod 227 is fixedly installed between the two sliding sleeves 226, and the connecting rod 227 is slidably connected to the fixed plate 201, and the connecting rod 227 is fixedly connected to the movable plate 203 to limit the movement of the movable plate 203.

[0032] Working principle: Before using this copier toner pulverizing device with screening function, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, a screening assembly 2 is arranged inside the box body 1. When the carbon powder is crushed, the raw material is put into the box body 1 through the feed port 101, and the driving motor 216 on the mounting plate 215 is started to drive the crushing roller shaft 104 on one side to rotate. The meshing of the two rotating gears 105 can drive the two crushing roller shafts 104 to rotate simultaneously to crush the carbon powder. The crushed carbon powder falls onto the uppermost discharge hopper 211 through the guide plate 103. The rotation of the rotating shaft 202 can make the first offset gear 205 mesh with the second offset gear 206, and the rotating shaft 202 can drive the turntable 208 to rotate while rotating. After the turntable 208 rotates, the annular groove 210 can slide on the column block 209 on the disc 207, thereby pushing the fixed rod 204 to move. The fixed rod 204 moves while bringing The movable connecting rod 227 slides on the fixed plate 201 and can drive the sliding sleeve 226 to slide on the mounting rod 225, so as to limit the movement of the movable plate 203, and then drive the plurality of discharge hoppers 211 to move back and forth, so that the carbon powder can be screened, and the larger ones can be discharged through the two upper discharge hoppers 211, and the carbon powder that meets the demand is discharged from the lowermost discharge hopper 211, and while the discharge hopper 211 is moving, the limit block 214 slides on the through groove 213 to limit the movement of the discharge hopper 211, so as to complete the screening of the carbon powder after crushing, and the screened larger carbon powder can be poured back into the box 1 for crushing, and the carbon powder can be screened after crushing through the screening component 2, which can avoid the incomplete crushing of the carbon powder after crushing, avoid affecting the production quality of the carbon powder, and improve the practicality;

[0033] The driving motor 216 can drive the first pulley 217 to rotate while running, and the first pulley 217 can drive the second pulley 222 to rotate through a belt, so that the rotating rod 218 can rotate on the box body 1, and then the rotating shaft 202 can be driven to rotate through the engagement of the first bevel gear 219 and the second bevel gear 220. The first bevel gear 219 and the second bevel gear 220 are limited by the limiting frame 221, which can avoid the first bevel gear 219 and the second bevel gear 220 from disengaging, and the rotating shaft 202 is supported and limited by the fixing frame 223, which can improve the stability of the rotation of the rotating shaft 202, so that the driving motor 216 can synchronously drive the rotating rod 218 and the crushing roller shaft 104 to rotate, so that the overall operation is driven by only one driving motor 216, saving manufacturing cost and use cost.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A toner pulverizing device for a copier with a screening function, comprising a housing (1); The top of the box body (1) is connected through a feed port (101), and the bottom of the box body (1) is symmetrically provided with two sets of supporting legs (102); It is characterized in that Also includes: A crushing roller (104) is symmetrically rotatably connected to the upper part of the box (1) via a bearing, and a material guide plate (103) is fixedly installed below the crushing roller (104) in the box (1), and a screening assembly (2) is arranged in the box (1); The screening assembly (2) comprises fixed plates (201) symmetrically mounted on one side of the interior of the box (1), and a rotating shaft (202) is rotatably connected between the fixed plates (201) via a bearing, and a movable plate (203) is disposed on one side of the two fixed plates (201), and a fixed rod (204) is fixedly mounted between the movable plates (203); The first offset gear (205) is fixedly mounted at the outer center of the rotating shaft (202), and the second offset gear (206) is rotatably connected to the outer center of the fixed rod (204) via a bearing, and the first offset gear (205) is meshedly connected with the second offset gear (206).

2. A toner pulverizing device for a copier with a screening function according to claim 1, characterized in that: Two groups of rotating disks (208) are symmetrically mounted on the outside of the rotating shaft (202), and a circular disk (207) is symmetrically mounted on the outside of the fixing rod (204), and an annular groove (210) is provided on one side of the two groups of rotating disks (208), and column blocks (209) are symmetrically mounted on both sides of the circular disk (207), and the column blocks (209) are slidably connected to the annular groove (210).

3. The toner pulverizing device for a copier with a screening function according to claim 1, characterized in that: A plurality of discharge hoppers (211) are fixedly mounted on one side of the fixed rod (204), and a plurality of through holes (212) are provided through the tops of the two upper discharge hoppers (211), and a plurality of through slots (213) are provided on the outside of the box body (1) away from the fixed rod (204), and a limiting block (214) is fixedly mounted on one side of the bottom of the plurality of discharge hoppers (211), and the limiting block (214) is slidably connected to the through slot (213).

4. The toner pulverizing device for a copier with a screening function according to claim 1, characterized in that: A mounting plate (215) is fixedly mounted on the other side of the housing (1), and a driving motor (216) is fixedly mounted on the top of the mounting plate (215), and a connecting groove is provided through the top of the mounting plate (215) on the side close to the housing (1), and a first pulley (217) is fixedly mounted on the outside of the output end of the driving motor (216), and the output end of the driving motor (216) passes through the housing (1) and is fixedly connected to a crushing roller shaft (104) on one side, and the ends of the two crushing roller shafts (104) away from the driving motor (216) both pass through the housing (1) and are fixedly mounted with a rotating gear (105), and the two rotating gears (105) are meshed and connected with each other.

5. The toner pulverizing device for a copier with a screening function according to claim 1, characterized in that: A rotating rod (218) is rotatably connected to a side of the housing (1) close to the first offset gear (205) through a bearing engagement, and a first bevel gear (219) is fixedly mounted on one end of the rotating rod (218), and a second bevel gear (220) is fixedly mounted on a side of the rotating shaft (202) close to the first offset gear (205), and the second bevel gear (220) is meshingly connected to the first bevel gear (219), and an outer side of the rotating rod (218) close to the first bevel gear (219) and an outer side of the rotating shaft (202) close to the second bevel gear (220) are both rotatably connected to a limiting frame (221) through a bearing engagement, and a second pulley (222) is fixedly mounted on the other end of the rotating rod (218), and the second pulley (222) is rotatably connected to the first pulley (217) through a belt.

6. The toner pulverizing device for a copier with a screening function according to claim 1, characterized in that: The outer side of the rotating shaft (202) close to the fixed plate (201) is symmetrically engaged and rotatably connected to a fixing frame (223) via a bearing, and the fixing frame (223) is fixedly connected to the box body (1).

7. The toner pulverizing device for a copier with a screening function according to claim 1, characterized in that: The two fixed plates (201) are each provided with a mounting groove (224) inside, and mounting rods (225) are symmetrically installed inside the mounting groove (224), and the two mounting rods (225) are each sleeved with a sliding sleeve (226) outside, and the sliding sleeve (226) is slidably connected to the mounting rod (225), and a connecting rod (227) is fixedly installed between the two sliding sleeves (226), and the connecting rod (227) is slidably connected to the fixed plate (201), and the connecting rod (227) is fixedly connected to the movable plate (203).

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