CN112718166B - Drawer type kneader with protective structure - Google Patents
Drawer type kneader with protective structure Download PDFInfo
- Publication number
- CN112718166B CN112718166B CN202011613059.XA CN202011613059A CN112718166B CN 112718166 B CN112718166 B CN 112718166B CN 202011613059 A CN202011613059 A CN 202011613059A CN 112718166 B CN112718166 B CN 112718166B
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- paper
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- drawer
- roll shaft
- cover
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- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 239000010893 paper waste Substances 0.000 claims abstract description 41
- 238000003825 pressing Methods 0.000 claims description 53
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2225—Feed means
- B02C18/2283—Feed means using rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C2018/168—User safety devices or measures in shredders
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to a drawer type paper shredder with a protective structure, which comprises a body, a paper shredding knife, a paper feeding wheel and a protective door component, wherein a drawer which can be pulled out from the front side of the body and is used for storing waste paper is arranged on the body, a paper feeding port is formed in the bottom wall of the front part of the drawer, the paper shredding knife is arranged in the body and below the drawer and is arranged corresponding to the paper feeding port, the paper feeding wheel can be rotatably arranged at the bottom of the drawer, the upper part of the paper feeding wheel is exposed at the front edge of the paper feeding port, and the protective door component is provided with a sliding plate which is arranged above the paper shredding knife and below the drawer and can open or cover the paper feeding port. The invention provides a drawer type paper shredder, which can be used for placing a plurality of papers in a drawer at one time, so that a large amount of waste paper is continuously crushed under the condition of time and labor saving, and the drawer type paper shredder is convenient to use; the protective door component can cover the paper inlet under the non-shredding state, so that the paper shredding knife is sealed in the body, the safety protection performance is improved, the paper inlet is opened by the protective door component under the shredding state, normal shredding is realized, and the operation is convenient.
Description
Technical Field
The invention relates to the technical field of paper shredders, in particular to a drawer type paper shredder with a protection structure.
Background
Paper shredder is a common office equipment, mainly placing waste paper between paper shredder core and counter-rollers, rotating the counter-rollers to crush waste paper documents. Paper shredders can only put a small amount of paper at a paper inlet at a time, and if too much paper is put in the paper shredder, paper jam is easily caused, and even the paper shredder is damaged. Therefore, when a large amount of paper needs to be crushed, the paper can only be manually put into the paper inlet for multiple times, the operation is time-consuming and labor-consuming, and great inconvenience is brought to a user.
In order to solve the problems, chinese patent publication No. CN206868376U (application No. CN 201720812594.5) discloses a structure of an automatic paper feeding paper shredder, which comprises a paper shredder body, wherein a frame, a core pair roller and a paper shredding box are arranged in the paper shredder body, the core pair roller is positioned in the frame, the paper shredding box is positioned right below the core pair roller, a paper feeding port for feeding waste paper between the core pair roller is arranged on the frame, the paper shredder also comprises a paper feeding mechanism positioned above the core pair roller and a paper pressing mechanism positioned in the paper shredding box, the paper feeding mechanism comprises a placing groove and a motor, and a paper outlet corresponding to the paper feeding port of the frame is arranged on the placing groove; one side in the placing groove is a supporting plate which is obliquely arranged, and one side of the paper outlet is aligned with the supporting plate; a pressing plate is connected in the placing groove in a sliding way, the pressing plate is parallel to the supporting plate, and an elastic piece is arranged between the inner wall of the placing groove at one side far away from the supporting plate and the pressing plate; the support plate is provided with a plurality of through grooves, a rolling shaft is arranged outside the support plate at the through grooves, a press roller is fixed outside the rolling shaft, and the outer wall of the press roller extends into the through grooves to be aligned with the inner wall of the support plate; the motor is fixed outside the placing groove, and an output shaft of the motor is connected with the rolling shaft through a driving belt; the paper pressing mechanism comprises a piston column, a plurality of supporting rods and a plurality of pressing rods, a communicated cavity is formed in the bottom of the paper shredding box, and channels communicated with the cavity are formed in the inner wall of the paper shredding box, wherein the number of the channels is the same as that of the supporting rods; the piston column is connected in the cavity in a sealing sliding way, the supporting rod is perpendicular to the inner wall of the paper shredding box, and the lower end of the pressing rod is positioned in the cavity and hinged with the upper end of the supporting rod.
The paper shredder can place a large amount of waste paper in the placing groove at one time, and the paper is conveyed by the paper conveying mechanism to automatically shred the paper, so that time and labor are saved. However, because of its placement groove being arranged obliquely vertically, there is a tendency of sliding downward due to gravity after the used paper is placed therein, it is difficult to achieve smooth conveyance of the used paper if the pressure given to the paper by its pressing plate is too large, and if the pressure given to the paper by its pressing plate is too small, the accommodation results in a problem that a plurality of used papers fall down at the same time to clog the movement. Meanwhile, the movement is arranged below the corresponding anti-setting groove, and in a non-paper shredding state, if a hand of a person stretches into the anti-setting groove by mistake, the risk is very high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a drawer type paper shredder with a protection structure, which can cover a paper shredding knife in a non-shredding state so as to improve the safety.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a drawer type kneader with protective structure, includes body, shredding knife, feed wheel and guard gate subassembly, be provided with the drawer that is used for depositing waste paper that can take out from the body front side on the body, the feed port is seted up on the diapire of drawer front portion, shredding knife locates in the body and lie in the drawer below, correspond the feed port and arrange, feed wheel can locate drawer bottom and upper portion with rotating and expose in the front edge department of feed port, the guard gate subassembly has locates shredding knife top, drawer below and can open the feed port or cover the slide.
In the above scheme, the body is provided with the supporting plate for supporting the drawer, the supporting plate is provided with the paper passing opening which corresponds to the paper feeding opening, the bottom wall of the supporting plate is provided with the positioning plate which is close to the paper passing opening, the sliding plate can be restrained on the positioning plate in a sliding manner relative to the positioning plate, the sliding plate covers the paper passing opening and the paper feeding opening in a state of overlapping the sliding plate and the positioning plate, and the sliding plate and the positioning plate are in a dislocation state to open the paper passing opening and the paper feeding opening. The structure is convenient for open or cover the paper inlet through the sliding of the sliding plate, meets the paper shredding requirement during opening, and improves the safety during covering.
Preferably, the cross section of the locating plate is of an L-shaped structure, and a containing area for containing the sliding plate is formed between the transverse part of the L-shaped structure and the lower wall surface of the supporting plate. The vertical part of the L-shaped structure is provided with a guide hole which is penetrated from front to back, and the rear edge of the sliding plate is provided with a guide post which extends backwards and is in sliding fit with the guide hole. The structure is convenient for assemble the sliding plate and improves the stability of the sliding plate moving back and forth.
Further preferably, a spring is sleeved on the periphery of the guide post, the front end of the spring abuts against the rear end of the sliding plate, and the rear end of the spring abuts against the vertical portion of the L-shaped structure, so that the sliding plate keeps the trend of covering the paper passing opening and the paper feeding opening. By adopting the structure, the paper inlet is convenient to cover.
Preferably, a cover plate capable of covering the paper pressing mechanism is arranged at the top of the body, the rear edge of the cover plate is rotatably connected to the body, and when the number of paper feed ports arranged corresponding to the paper feed ports is small, for example, less than three paper feed ports are arranged on the cover plate, the paper feed ports can be directly used for feeding waste paper from the paper feed ports without using drawers for shredding the paper, and shredding the paper.
Preferably, an assembly opening for installing the cover plate is formed in the top wall of the body, the rear edge of the cover plate is rotatably connected to the rear edge of the assembly opening, and a transmission assembly capable of allowing the cover plate to cover the paper inlet in the cover plate opening state and enabling the cover plate to open the paper inlet in the cover plate closing state is connected between the cover plate and the cover plate. The structure is convenient for switching the opening and closing state of the paper inlet through the sliding plate in the paper shredding state or the non-paper shredding state, thereby improving the safety protection performance.
Preferably, the end of the rear edge of the cover plate is rotatably connected to the corresponding body by a rotation shaft provided with a torsion spring capable of maintaining the cover plate at an angle of 25-120 degrees, preferably 30-45 degrees, between the cover plate and the top wall of the body in the open state. When the cover plate is positioned at the angle, the paper inlet can be covered by the transmission assembly.
As one scheme of transmission assembly, transmission assembly includes extension arm and stay cord, the extension arm is located the trailing edge department of apron and is outwards extended along the apron, the first end of stay cord is connected with extension arm lower extreme, the second end of stay cord passes the layer board and is connected with the slide. When the cover plate is opened, the stay cord is in a releasing state, and at the moment, the spring drives the sliding plate to move forwards to cover the paper inlet; under the closing state of the cover plate, the pull rope is pulled backwards, so that the sliding plate overcomes the elasticity of the spring and moves back to the upper part of the positioning plate, and the paper inlet is opened, so that the operation is convenient.
As another scheme of drive assembly, drive assembly includes extension arm and first connecting rod, second connecting rod, the extension arm locates the trailing edge department of apron and outwards extends along the apron, the upper end of first connecting rod is connected with the lower extreme rotation of extension arm, it has the confession first connecting rod to pass and the opening of back-and-forth swing to open on the layer board, the first end of second connecting rod is connected with the first end rotation of first connecting rod, the second end of second connecting rod is connected with the slide. When the cover plate is turned over, the first connecting rod and the second connecting rod are matched with each other to enable the sliding plate to loosen forwards, and at the moment, the spring drives the sliding plate to move forwards to cover the paper inlet; under the closed state of the cover plate, the first connecting rod and the second connecting rod pull the sliding plate backwards under the drive of the extension arm, so that the sliding plate overcomes the elasticity of the spring to retract to the upper part of the positioning plate, and the paper inlet is opened, so that the operation is convenient.
Compared with the prior art, the invention has the advantages that: the invention provides a drawer type paper shredder, which can be used for placing a plurality of papers in a drawer at one time, so that a large amount of waste paper is continuously crushed under the condition of time and labor saving, and the drawer type paper shredder is convenient to use; the protective door component can cover the paper inlet under the non-shredding state, so that the paper shredding knife is sealed in the body, the safety protection performance is improved, and under the shredding state, the protective door component opens the paper inlet to realize normal shredding, and the operation is convenient.
Drawings
FIG. 1 is a schematic diagram of a shredder according to embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a top view of embodiment 1 of the present invention;
FIG. 4 is a schematic view of a part of the structure (non-shredded state) of embodiment 1 of the present invention;
Fig. 5 is a schematic view of a part of the structure (shredded paper state) of embodiment 1 of the present invention;
FIG. 6 is a cross-sectional view of example 1 of the present invention;
FIG. 7 is a schematic view of the fitting structure of the cover plate and the protective door assembly in FIG. 6;
Fig. 8 is a cross-sectional view of embodiment 2 of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1:
As shown in fig. 1 to 7, the present embodiment provides a drawer type automatic continuous paper shredder, which is provided with a paper pressing mechanism to maintain the stability and smoothness of continuous paper feeding.
The drawer type shredder of the embodiment comprises a body 2, a shredding knife 3, a paper feeding wheel 4, a paper pressing mechanism 1 and a protective door component 8. The body 2 is provided with a drawer 5 for storing waste paper which can be drawn out from the front side of the body 2, the front side of the drawer 5 is provided with a handle, the edge of the side part of the drawer 5 is provided with a side coaming, the inner space of the drawer 5 forms a waste paper storage area 51, and the bottom wall of the front part of the drawer 5 is provided with a paper inlet 52. The paper shredding knife 3 is arranged in the body 2 below the drawer 5 and corresponds to the paper inlet 52. The paper pressing mechanism 1 is arranged above the drawer 5, the paper feeding wheel 4 is rotatably arranged at the bottom of the drawer 5, the upper part of the paper feeding wheel is exposed at the front edge of the paper feeding port 52, and the paper feeding wheel 4 is driven by the gear set and the driving motor to rotate backwards.
In the embodiment, the paper pressing mechanism 1 comprises a front roll shaft 11, a rear roll shaft 12, a pressing plate 13 and an adjusting mechanism 14, wherein the front roll shaft 11 is rotatably arranged above the paper inlet 52 and is used for limiting the front edge of waste paper and preventing the front edge of the waste paper from floating upwards; the rear roller shaft 12 is rotatably provided at the rear side of the front roller shaft 11 and is disposed near the rear edge of the paper feed port 52 for pressing against the used paper to prevent the backward movement. The pressing plate 13 is disposed above the front roller shaft 11 and the rear roller shaft 12 and is rotatably connected with the front roller shaft 11 and the rear roller shaft 12, and at least part of the pressing plate 13 is vertically movably disposed above the used paper storage area 51 for adjusting the pressing state of the front roller shaft 11 and the rear roller shaft 12 on the used paper. The adjusting mechanism 14 is connected with the pressing plate 13 and is used for enabling the pressing plate 13 to be switched between a first state and a second state, and the front roll shaft 11 and the rear roll shaft 12 are pressed and held on waste paper when the pressing plate 13 is in the first state; in the second state of the pressing plate 13, the front roller shaft 11 and the rear roller shaft 12 are not in contact with the used paper.
Specifically, the rear portion of the platen 13 is rotatably supported above the used paper storage area 51, the front roller shaft 11 and the rear roller shaft 12 extend laterally and are arranged in parallel front and rear, and the front edge of the platen 13 is rotatably connected to the end portion of the front roller shaft 11 and the end portion of the rear roller shaft 12 by the rotation arms 131, respectively. With the structure, the platen 13 is conveniently driven to turn back and forth by taking the rear edge as a rotation axis, so that the front roll shaft 11 and the rear roll shaft 12 are driven to move up and down, and the paper pressing state is switched.
The rotating arm 131 extends back and forth, the front end of the rotating arm 131 is rotatably connected with the end of the front roll shaft 11, and the rear end of the rotating arm 131 is rotatably connected with the end of the rear roll shaft 12, so that the height of the front roll shaft 11 and the height of the rear roll shaft 12 can be automatically adjusted according to different stress. Because in the shredded paper state, the front roller 11 only presses the front edge of the waste paper, and the rear roller 12 is integrally pressed on the waste paper, when the thickness of the waste paper is large, the height of the front roller 11 may be lower than that of the rear roller 12, and the movable connecting structure is beneficial to automatically adjusting the heights of the front roller 11 and the rear roller 12 according to the thickness of the waste paper, so that the front roller 11 always abuts against the front edge of the waste paper, and the rear roller 12 always presses the waste paper, thereby always preventing the front edge of the waste paper from floating and the waste paper from backing, and being beneficial to improving the conveying stability of the paper.
For easy assembly and connection, the front edge of the pressing plate 13 is provided with a first connecting arm 132 extending downward near the end, and a second connecting arm 1311 is formed to protrude upward from the middle of the rotating arm 131, and the first connecting arm 132 and the second connecting arm 1311 are connected by shaft-hole fitting rotation.
The two sides of the waste paper storage area 51 are provided with vertically extending supporting seats 6, the supporting seats 6 are provided with shaft holes 61 which are arranged corresponding to the pressing plates 13, the side edges of the pressing plates 13 close to the rear ends are provided with connecting shafts 133 which can be rotationally connected with the shaft holes 61, and the connecting positions of the pressing plates 13 and the supporting seats 6 are higher than the connecting positions of the first connecting arms 132 and the second connecting arms 1311, so that the pressing plates 13 are gradually inclined downwards from back to front. By adopting the structure, the pressing plate 13, the front roll shaft 11 and the rear roll shaft 12 can always keep the state of downwards pressing waste paper through the self gravity, so that the paper pressing effect is maintained.
The adjusting mechanism 14 includes a limiting seat 141, a limiting block 142, and an elastic member 143, where the limiting seat 141 is disposed at a side of the waste paper storage area 51 and corresponds to a middle edge of the pressing plate 13, the middle of the limiting block 142 is rotatably connected to the limiting seat 141 through a pin 1421, an upper end of the limiting block 142 is located below the pressing plate 13, the elastic member 143 is a spring, a first end of the elastic member 143 is connected to a lower edge of the limiting block 142, a second end of the elastic member is restrained on a shredder in front of the elastic member 143, and in a first stretching state of the elastic member 143, an upper end of the limiting block 142 is turned forward to separate from a lower wall surface of the pressing plate 13, and in a second stretching state of the elastic member 143, an upper end of the limiting block 142 is turned backward to abut against the lower wall surface of the pressing plate 13 and the pressing plate 13 is turned backward to the front roller 11, and the rear roller 12 floats upward. The side coaming of the drawer 5 is provided with a bump 53 arranged corresponding to the lower end of the limiting block 142, the rear edge of the bump 53 forms a guide part 531 which gradually inclines downwards from front to back so as to prop against the lower end of the limiting block 142, and during the process of pushing the drawer 5 into a shredder, the guide part 531 is matched with the lower end of the limiting block 142 in a guiding way to continuously drive the upper end of the limiting block 142 to turn forwards. When the drawer 5 is pulled out of the body, the limiting block 142 loses the pressing force of the convex blocks 53 on the side coamings of the drawer 5, and under the action of the elastic piece 143, the upper end of the limiting block 142 is turned upwards and is propped against the bottom of the pressing plate 13, so that the pressing plate 13 is turned upwards by taking the rear edge of the pressing plate as a rotating shaft, and the front roll shaft 11 and the rear roll shaft 12 are lifted, so that paper is convenient to be added; in the process of filling waste paper in the drawer 5 and pushing the waste paper into the body, the guide part 531 at the rear edge of the protruding block 53 gradually enables the upper end of the limiting block 142 to turn forward, after the drawer 5 is completely pushed into the body, the upper end of the limiting block 142 is separated from the lower wall surface of the pressing plate 13, the front roll shaft 11 and the rear roll shaft 12 fall under the action of gravity and are pressed on the waste paper, the front roll shaft 11 presses paper at the front edge of the waste paper, and the rear roll shaft 12 presses paper at the middle part of the waste paper, so that stable paper feeding is realized.
As shown in fig. 4, the axial length of the front roller 11 and the rear roller 12 of the present embodiment is larger than the width of the drawer 5, and the side wall plate of the drawer 5 is provided with a relief opening 54 for the front roller 11 and the rear roller 12 to fall down so as to hold waste paper. Or as shown in fig. 5, the axial length of the front roller shaft 11 and the rear roller shaft 12 is smaller than the width of the drawer 5, and in the state of shredding paper, the front roller shaft 11 and the rear roller shaft 12 are positioned inside the drawer 5.
The top of the body 2 is provided with a cover plate 7 which can cover the paper pressing mechanism 1, the rear edge of the cover plate 7 is rotatably connected to the body 2, and the cover plate 7 is provided with a paper feeding port 71 which is arranged corresponding to the paper feeding port 52. When the number of sheets to be shredded is small, for example, less than three sheets, waste paper can be fed directly from the paper feed port 71 without using the drawer 5 for shredding. The cover 7 is opened to check and repair simple obstacles of the platen 1.
In a state where the drawer 5 is completely pushed into the body 2, used paper is placed in the drawer 5 and positioned at the rear side of the paper feed opening 52, the front part of the used paper is extended forward to cover part of the paper feed opening 52, the front edge of the used paper is in contact with the rear side edge of the paper feed wheel 4, the front roller shaft 11 is positioned above the paper feed wheel 4 and is slightly arranged behind the paper feed wheel 4, and the front roller shaft 11 also keeps the front edge of the used paper in contact with the paper feed wheel 4 under the condition that the front edge of the used paper can be held, so that stable transmission of the used paper is realized.
In this embodiment, the body 2 is provided with a supporting plate 21 capable of dividing the body into an upper cavity and a lower cavity, the drawer 5 is supported above the supporting plate 21, and the protective door assembly 8 is arranged below the supporting plate 21.
Specifically, the guard gate assembly 8 has a slide plate 81 provided above the paper shredding blade 3 and below the drawer 5 and capable of opening or covering the paper feed opening 52. The supporting plate 21 is provided with a paper passing port 211 corresponding to the paper feeding port 52, the bottom wall of the supporting plate 21 is provided with a positioning plate 82 arranged close to the rear edge of the paper passing port 52, a sliding plate 81 can be restrained on the positioning plate 82 in a sliding manner relative to the positioning plate 82, the paper passing port 211 and the paper feeding port 52 are covered in a state that the sliding plate 81 is overlapped with the positioning plate 82, and the paper passing port 211 and the paper feeding port 52 are opened in a dislocation state of the sliding plate 81 and the positioning plate 82. The above structure facilitates the opening or covering of the paper feed port 52 by the sliding of the sliding plate 81, satisfies the paper shredding demand when opening, and improves the safety when covering.
The positioning plate 82 has an L-shaped cross section, and a receiving area 820 for receiving the sliding plate 81 is formed between a lateral portion 821 of the L-shaped structure and a lower wall surface of the pallet 21. The vertical part 822 of the L-shaped structure is provided with a guide hole penetrating from front to back, and the rear edge of the sliding plate 81 is provided with a guide post 811 extending backwards and in sliding fit with the guide hole. This structure facilitates assembly of the sliding plate 81 and improves the stability of the forward and backward movement of the sliding plate 81. A spring 812 is fitted around the outer periphery of the guide post 811, and the front end of the spring 812 abuts against the rear end of the slide plate 81, and the rear end of the spring 812 abuts against the vertical portion 822 of the L-shaped structure, so that the slide plate 81 keeps the tendency to cover the paper passing opening 211 and the paper feeding opening 52. With the above structure, the paper feed port 52 is easily covered.
The top wall of the body 2 is provided with an assembly opening 22 for installing the cover plate 7, the rear edge of the cover plate 7 is rotatably connected with the rear edge of the assembly opening 22, and a transmission assembly 83 which can allow the slide plate 81 to cover the paper inlet 52 in the opened state of the cover plate 7 and allow the slide plate 81 to open the paper inlet 52 in the closed state of the cover plate 7 is connected between the cover plate 7 and the slide plate 81. The structure is convenient for switching the opening and closing state of the paper inlet through the sliding plate in the paper shredding state or the non-paper shredding state, thereby improving the safety protection performance.
The end of the rear edge of the cover 7 is rotatably connected to the corresponding body 2 by a rotation shaft 23, and the rotation shaft 23 is provided with a torsion spring 231, preferably 30-45 °, which can maintain the cover 7 at 25-120 ° between the cover 7 and the top wall of the body 2 in the open state. When the cover plate 7 is at the above angle, the paper inlet 52 can be covered by the transmission component 83.
Specifically, the transmission assembly 83 includes an extension arm 72 and a pull cord 831, the extension arm 72 is disposed at the rear edge of the cover 7 and extends outward along the cover 7, a first end of the pull cord 831 is connected to the lower end of the extension arm 72, and a second end of the pull cord 831 is connected to the sliding plate 81 through the supporting plate 21. When the cover plate 7 is in the opened state, the stay cord 831 is in a released state, and at this time, the spring 812 drives the sliding plate 81 to move forward to cover the paper inlet 52; in the closed state of the cover plate 7, the pull rope 831 is pulled backwards, so that the sliding plate 81 overcomes the elasticity of the spring 812 and moves back to the upper part of the positioning plate 82, and the paper inlet 52 is opened, thereby being convenient to operate.
Example 2:
This embodiment differs from embodiment 1 in that:
As shown in fig. 8, the transmission assembly 83 includes an extension arm 72, a first link 832, and a second link 833, the extension arm 72 is disposed at the rear edge of the cover 7 and extends outwards along the cover 7, the upper end of the first link 832 is rotatably connected with the lower end of the extension arm 72, the supporting plate 21 is provided with an opening 210 through which the first link 832 passes and swings back and forth, the first end of the second link 833 is rotatably connected with the first end of the first link 832, the connection between the first link 832 and the second link 833 can be realized by the cooperation of a shaft and a slot hole, so as to allow displacement within a deviation range, and the second end of the second link 833 is connected with the sliding plate 81.
In the state that the cover plate 7 is turned over, the first connecting rod 832 and the second connecting rod 833 are matched with each other to enable the sliding plate 81 to loosen forwards, and at the moment, the spring 812 drives the sliding plate 81 to move forwards to cover the paper inlet 52; in the closed state of the cover plate 7, the first connecting rod 832 and the second connecting rod 833 are driven by the extension arm 72 to pull the sliding plate 81 backwards, so that the sliding plate 81 overcomes the elastic force of the spring 812 to retract above the positioning plate 82, and the paper inlet 52 is opened, so that the operation is convenient.
In the description and claims of the present invention, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the invention may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.
Claims (10)
1. The utility model provides a drawer type kneader with protective structure, includes body (2), shredded paper sword (3), feed wheel (4) and guard gate subassembly (8), its characterized in that: the paper shredder is characterized in that a drawer (5) which can be drawn out from the front side of the body (2) and is used for storing waste paper is arranged on the body (2), a paper inlet (52) is formed in the bottom wall of the front part of the drawer (5), the paper shredding knife (3) is arranged in the body (2) and below the drawer (5) and corresponds to the paper inlet (52), the paper feeding wheel (4) can be rotatably arranged at the bottom of the drawer (5) and the upper part of the paper feeding wheel is exposed at the front edge of the paper inlet (52), and the protective door assembly (8) is provided with a sliding plate (81) which is arranged above the paper shredding knife (3) and below the drawer (5) and can open or cover the paper inlet (52);
The paper pressing mechanism comprises a front roll shaft, a rear roll shaft, a pressing plate and an adjusting mechanism, wherein the front roll shaft is rotatably arranged above the paper inlet and used for limiting the front edge of waste paper and preventing the front edge of the waste paper from floating upwards; the rear roll shaft is rotatably arranged at the rear side of the front roll shaft and is close to the rear edge of the paper inlet and used for being pressed on waste paper so as to prevent the waste paper from retreating; the pressing plate is arranged above the front roll shaft and the rear roll shaft and is rotationally connected with the front roll shaft and the rear roll shaft, at least part of the pressing plate can be vertically movably arranged above the waste paper storage area and is used for adjusting the pressing state of the front roll shaft and the rear roll shaft on waste paper; the adjusting mechanism is connected with the pressing plate and used for enabling the pressing plate to be switched between a first state and a second state, and the front roll shaft and the rear roll shaft are pressed on waste paper when the pressing plate is in the first state; and in the second state of the pressing plate, the front roll shaft and the rear roll shaft are not contacted with waste paper.
2. The drawer-type shredder with the protective structure according to claim 1, wherein: the utility model discloses a paper feeding device, including body (2), locating plate (82) that has layer board (21) that are arranged in bearing drawer (5), opens on this layer board (21) and has paper passing port (211) that corresponds paper feeding port (52) and arrange, is provided with on the diapire of this layer board (21) and is close to paper passing port (52) and arrange locating plate (82), slide (81) can be relative to the constraint that this locating plate (82) slided on this locating plate (82), slide (81) cover paper passing port (211) and paper feeding port (52) under the overlapping state of locating plate (82), slide (81) are opened paper passing port (211) and paper feeding port (52) under the dislocation state with locating plate (82).
3. The drawer-type shredder with the protective structure according to claim 2, wherein: the cross section of the positioning plate (82) is of an L-shaped structure, and a containing area (820) for containing the sliding plate (81) is formed between a transverse part (821) of the L-shaped structure and the lower wall surface of the supporting plate (21).
4. The drawer-type shredder with guard structure of claim 3, wherein: the vertical part (822) of the L-shaped structure is provided with a guide hole which penetrates through the vertical part, and the rear edge of the sliding plate (81) is provided with a guide post (811) which extends backwards and is in sliding fit with the guide hole.
5. The drawer-type shredder with guard structure of claim 4, wherein: the periphery of the guide post (811) is sleeved with a spring (812), the front end of the spring (812) is propped against the rear end of the sliding plate (81), and the rear end of the spring (812) is propped against the vertical part (822) of the L-shaped structure, so that the sliding plate (81) keeps the trend of covering the paper passing opening (211) and the paper feeding opening (52).
6. The drawer-type shredder with guard structure according to any one of claims 2-5, wherein: the top of the body (2) is provided with a cover plate (7) which can cover the paper pressing mechanism (1), and the cover plate (7) is provided with a paper feeding port (71) which is arranged corresponding to the paper feeding port (52).
7. The drawer-type shredder with guard structure of claim 6, wherein: the top wall of the body (2) is provided with an assembly opening (22) for installing the cover plate (7), the rear edge of the cover plate (7) is rotationally connected to the rear edge of the assembly opening (22), and a transmission assembly (83) which can allow the slide plate (81) to cover the paper inlet (52) in a cover plate (7) opening state and allow the slide plate (81) to open the paper inlet (52) in a cover plate (7) closing state is connected between the cover plate (7) and the slide plate (81).
8. The drawer-type shredder with guard structure of claim 7, wherein: the end part of the rear edge of the cover plate (7) is rotationally connected with the corresponding body (2) through a rotating shaft (23), and a torsion spring (231) which can enable the cover plate (7) to be 25-120 degrees between the cover plate (7) and the top wall of the body (2) in an open state is arranged on the rotating shaft (23).
9. The drawer-type shredder with guard structure of claim 7, wherein: the transmission assembly (83) comprises an extension arm (72) and a pull rope (831), the extension arm (72) is arranged at the rear edge of the cover plate (7) and extends outwards along the cover plate (72), a first end of the pull rope (831) is connected with the lower end of the extension arm (72), and a second end of the pull rope (831) penetrates through the supporting plate (21) to be connected with the sliding plate (81).
10. The drawer-type shredder with guard structure of claim 7, wherein: the transmission assembly (83) comprises an extension arm (72), a first connecting rod (832) and a second connecting rod (833), wherein the extension arm (72) is arranged at the rear edge of the cover plate (7) and extends outwards along the cover plate (7), the upper end of the first connecting rod (832) is rotationally connected with the lower end of the extension arm (72), an opening (210) for the first connecting rod (832) to penetrate through and swing forwards and backwards is formed in the supporting plate (21), the first end of the second connecting rod (833) is rotationally connected with the first end of the first connecting rod (832), and the second end of the second connecting rod (833) is connected with the sliding plate (81).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011613059.XA CN112718166B (en) | 2020-12-30 | 2020-12-30 | Drawer type kneader with protective structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011613059.XA CN112718166B (en) | 2020-12-30 | 2020-12-30 | Drawer type kneader with protective structure |
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| CN112718166A CN112718166A (en) | 2021-04-30 |
| CN112718166B true CN112718166B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011613059.XA Active CN112718166B (en) | 2020-12-30 | 2020-12-30 | Drawer type kneader with protective structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718165A (en) * | 2020-12-30 | 2021-04-30 | 得力集团有限公司 | Drawer type paper shredder |
| CN113413982A (en) * | 2021-06-21 | 2021-09-21 | 苏州柔觉纺织品有限公司 | Paper shredder with paper storage function |
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