阅读说明：本技术 一种自动取章盖章设备 (Automatic seal taking and sealing equipment ) 是由 岑皓明 于 2019-11-18 设计创作，主要内容包括：本发明公开了一种自动取章盖章设备,包括盖章机,所述盖章机内设有贯穿所述盖章机的下压杆,所述下压杆内设有可夹紧移动待盖章文件的传送机构,所述下压杆上端壁内设有前后贯穿所述盖章机的存放腔,所述存放腔右端壁内设有下端壁连通所述下压杆且左端壁连通所述存放腔的升降腔,所述升降腔内设有用于盖章的印章机构,所述印章机构包括平移块,所述平移块内包括卷绕腔,所述卷绕腔内设有贯穿所述卷绕腔左右端壁的驱动轴,该装置结构简单,操作便捷,可实现自动化盖章,且可根据使用者的需求调整盖章的位置,通过使用者的要求,自动完成对印章的更换,不需要人工换章,提高了盖章效率。(The invention discloses an automatic stamp taking and stamping device, which comprises a stamping machine, wherein a lower pressing rod penetrating through the stamping machine is arranged in the stamping machine, a conveying mechanism capable of clamping and moving a to-be-stamped file is arranged in the lower pressing rod, a storage cavity penetrating through the stamping machine from front to back is arranged in the upper end wall of the lower pressing rod, a lifting cavity is arranged in the right end wall of the storage cavity, the lower end wall of the lifting cavity is communicated with the lower pressing rod, the left end wall of the lifting cavity is communicated with the storage cavity, a stamp mechanism for stamping is arranged in the lifting cavity, the stamp mechanism comprises a translation block, a winding cavity is arranged in the translation block, a driving shaft penetrating through the left end wall and the right end wall of the winding cavity is arranged in the winding cavity, the device has a simple structure and is convenient and fast to operate, automatic stamping can be realized, the stamping position can be adjusted according to the requirements of a user, the replacement of a stamp, the stamping efficiency is improved.)

1. The utility model provides an automatic get equipment of stamping, includes the machine of stamping, its characterized in that: be equipped with in the stamping machine and run through the pushing rod down of stamping machine, be equipped with the transport mechanism that can press from both sides tight removal and treat the file of stamping in the pushing rod down, run through around being equipped with in the pushing rod upper end wall the chamber of depositing of stamping machine, it is equipped with down the end wall intercommunication to deposit in the chamber right-hand member wall depression bar and left end wall intercommunication deposit the lift chamber in chamber, the lift intracavity is equipped with the seal mechanism that is used for stamping, seal mechanism includes the translation piece, including coiling the chamber in the translation piece, it runs through to coil the intracavity be equipped with the drive shaft of end wall about the coiling chamber, is located threaded connection has the winding wheel in the drive shaft of coiling the intracavity, it has the rope to be fixed with the ring gear on the winding wheel, be equipped with the ascending roof pressure chamber of opening in the lower end wall of coiling chamber, be equipped with the ascending groove of pressing of opening in the coiling chamber upper end wall, be equipped with the upper end in the roof pressure chamber with ring gear meshing The upper end of the limiting plate is fixed with a lower pressing rod of which the upper end is positioned in the pressing groove, a connecting cavity with a downward opening is arranged in the front end wall of the winding cavity, a connecting column with a lower end positioned in the lifting cavity is arranged in the connecting cavity, the lower end of the connecting column is provided with a clamping block for fixing a stamp, a spring cavity with an upward opening is arranged in the connecting column, a spring rod and a connecting spring for connecting the spring rod with the lower end wall of the spring cavity are arranged in the spring cavity, the upper end of the connecting cavity is fixed with the spring rod of which the lower end is connected with the upper end of the spring rod, the upper end of the rope penetrates through the upper end wall of the winding cavity and the upper end wall of the connecting cavity and is fixedly connected with the spring rod, a clamping cavity with a downward opening is arranged in the clamping block, a sucking disc is arranged in the clamping cavity, and the upper end, the automatic stamping device is characterized in that an electromagnetic switch is arranged in the ventilation pipeline, a driven block is fixedly connected to the right end of the clamping block, a lifting mechanism for controlling the limiting plate to lift is arranged in the lifting cavity, a driving mechanism for driving the driving device to run is arranged in the upper end wall of the storage cavity, and the automatic stamping process is achieved through the matching of the driving mechanism and the stamping mechanism and the lifting mechanism, so that a user can stamp conveniently.

2. The automatic seal taking and sealing device according to claim 1, wherein: the conveying mechanism comprises a stamping table fixedly connected to the lower end wall of the lower pressing rod, a rotating cavity is arranged in the rear end wall of the lower pressing rod, four rolling shafts with front ends positioned in the lower pressing rod are arranged in the rotating cavity, a first belt pulley and a third belt pulley are fixed at the rear ends of the two rolling shafts on the upper side, a second belt pulley is fixedly connected at the rear end of the rolling shaft on the lower side, a rotating motor in power connection with the rear end of the rolling shaft on the upper right side is fixedly connected to the rear end wall of the rotating cavity, the first belt pulley and the second belt pulley as well as the two third belt pulleys are connected through belts, a roller for conveying and clamping files is fixed at the front end of the rolling shaft, a bearing table for supporting paper is fixed on the left end wall of the stamping machine, a moving cavity with the right end wall communicated with the external space is arranged in the upper end wall of the lower pressing rod, and two moving blocks, the right end of the moving block is fixedly connected with a moving rod, the right end of the moving rod is located in an external space, the lower end of the moving rod is fixedly provided with a connecting rod, and a placing plate inclining to the right is fixedly connected between the lower ends of the two lower pressing rods.

3. The automatic seal taking and sealing device according to claim 1, wherein: elevating system is including fixing the electronic guide rail of lift chamber right-hand member wall, electronic guide rail left end wall fixedly connected with transmission piece, transmission piece lower extreme be fixed with the lower extreme can with the lifter that the driven piece offseted, be equipped with the transmission chamber that the opening is decurrent in the lift chamber upper end wall, it is connected with the rotation axis to rotate between the end wall around the transmission chamber, fixedly connected with swing gear on the rotation axis, transmission piece upper end fixedly connected with upper end with the meshing transfer line of swing gear right-hand member, the transmission intracavity still is equipped with the lower extreme and is located the lift intracavity and with the spring block and the connection of holding down lever contact the spring block with the reset spring of transmission chamber upper end wall, spring block upper end still fixedly connected with upper end runs through twice transmission chamber upper end wall and winding are in the epaxial chain of rotation.

4. The automatic seal taking and sealing device according to claim 1, wherein: the driving mechanism comprises a driving cavity with a right opening and a lower end wall communicated with the storage cavity, the left end wall of the driving cavity is fixedly connected with a driving motor in power connection with the left end of the driving shaft, three pressing cavities with upward openings are arranged in the upper end wall of the driving cavity, a communicating cavity with a lower end wall communicated with the driving cavity is arranged in the lower end wall of the pressing cavity, a pressing plate and two supporting springs for supporting the pressing plate are arranged in the communicating cavity, a lifting block with the lower end positioned in the communicating cavity is fixed at the lower end of the pressing plate, a spring groove with a downward opening is arranged in the lifting block, a trapezoidal block with the lower end positioned in the communicating cavity and a telescopic spring for connecting the trapezoidal block and the upper end wall of the spring groove are arranged in the spring groove, four limiting rods are fixed on the lower end wall of the storage cavity, a seal is stored between the two limiting rods, and an operation screen is arranged in the right end face of the stamping machine.

5. The automatic seal taking and sealing device according to claim 4, wherein: the friction force between the connecting column and the end wall of the pressing cavity is slightly smaller than the elastic force of the two supporting springs, the elastic force of the reset spring is far larger than that of the vent pipe, and the elastic force of the expansion spring is far larger than that of the top pressure spring.

Technical Field

The invention relates to the field of printing and stamping, in particular to automatic stamping and stamping equipment.

Background

In the society developing at a rapid pace, along with the enhancement of legal consciousness, various organizations can handle things in order to enhance persuasion by means conforming to the laws, such as stamping;

at the present stage, when needing to seal, most still adopt the form of manual seal to go on, when meetting the file that needs the seal of major share, still manually seal, and the power is consumed in time, and inefficiency, and some automatic seal equipment of current, though in order to realize automatic seal, because the difference of every seal, need the ring seal that does not stop at the in-process of stamping, the manual work is traded the seal and is still very troublesome.

Disclosure of Invention

The invention aims to solve the technical problem of providing automatic seal taking and sealing equipment, and solves the problems of sealing efficiency and the like, so that the working efficiency is improved.

The invention is realized by the following technical scheme.

The invention relates to an automatic stamp taking and stamping device, which comprises a stamping machine, wherein a lower pressing rod penetrating through the stamping machine is arranged in the stamping machine, a conveying mechanism capable of clamping and moving a document to be stamped is arranged in the lower pressing rod, a storage cavity penetrating through the stamping machine from front to back is arranged in the upper end wall of the lower pressing rod, a lifting cavity is arranged in the right end wall of the storage cavity, the lower end wall of the lifting cavity is communicated with the lower pressing rod, the left end wall of the lifting cavity is communicated with the storage cavity, a stamp mechanism for stamping is arranged in the lifting cavity, the stamp mechanism comprises a translation block, a winding cavity is arranged in the translation block, a driving shaft penetrating through the left end wall and the right end wall of the winding cavity is arranged in the winding cavity, a winding wheel is connected on the driving shaft in the winding cavity in a threaded manner, a gear ring is fixed on the winding wheel and a rope is wound on the winding wheel, a top pressing cavity with an upward opening is arranged in the lower, the upper end of the top pressure cavity is meshed with the gear ring and limits the gear ring rotating limiting plate and a top pressure spring for supporting the limiting plate, the upper end of the limiting plate is fixedly provided with a lower pressure rod, the upper end of the lower pressure rod is positioned in the pressure groove, the front end wall of the winding cavity is internally provided with a connecting cavity with a downward opening, the connecting cavity is internally provided with a connecting column, the lower end of the connecting column is positioned in the lifting cavity, the lower end of the connecting column is provided with a clamping block for fixing a seal, the connecting column is internally provided with a spring cavity with an upward opening, the spring cavity is internally provided with a spring rod and a connecting spring for connecting the spring rod with the lower end wall of the spring cavity, the upper end of the connecting cavity is fixedly provided with a spring rod, the lower end of the spring rod is connected with the upper end of the spring rod, the upper end of the rope, the utility model discloses a seal machine, including the tight chamber of clamp, the tight chamber of clamp upper end wall is equipped with the intercommunication the lift chamber with the vent pipe who presss from both sides the tight chamber of clamp, be equipped with electromagnetic switch in the vent pipe, press from both sides tight piece right-hand member fixedly connected with driven piece, the lift intracavity is equipped with control the elevating system that the limiting plate goes up and down, deposit the actuating mechanism that is equipped with drive arrangement operation in the chamber upper end wall, through actuating mechanism seal mechanism with elevating system's cooperation realizes getting the process of stamping automatically, and convenient to use person stamps.

Furthermore, the conveying mechanism comprises a stamping table fixedly connected to the lower end wall of the lower pressing rod, a rotating cavity is arranged in the rear end wall of the lower pressing rod, four rolling shafts with front ends positioned in the lower pressing rod are arranged in the rotating cavity, the rear ends of the two rolling shafts on the upper side are fixedly provided with a first belt pulley and a third belt pulley, the rear end of the rolling shaft on the lower side is fixedly connected with a second belt pulley, the rear end wall of the rotating cavity is fixedly connected with a rotating motor in power connection with the rear end of the rolling shaft on the upper right side, the first belt pulley and the second belt pulley as well as the two third belt pulleys are connected through belts, the front ends of the rolling shafts are fixedly provided with rollers for conveying and clamping files, the left end wall of the stamping machine is fixedly provided with a bearing table for supporting paper, and the upper end wall of the lower pressing rod is internally provided with a moving cavity with a right end wall, the movable cavity is internally and slidably connected with two movable blocks, the right end of each movable block is fixedly connected with a movable rod, the right end of each movable rod is located in an external space, the lower end of each movable rod is fixedly provided with a connecting rod, and a placing plate which inclines rightwards and upwards is fixedly connected between the lower ends of the two lower pressing rods.

Furthermore, the lifting mechanism comprises an electric guide rail fixed on the right end wall of the lifting cavity, the left end wall of the electric guide rail is fixedly connected with a transmission block, a lifting rod with the lower end capable of abutting against the driven block is fixed at the lower end of the transmission block, a transmission cavity with a downward opening is arranged in the upper end wall of the lifting cavity, a rotating shaft is rotatably connected between the front end wall and the rear end wall of the transmission cavity, a rotating gear is fixedly connected on the rotating shaft, the upper end of the transmission block is fixedly connected with a transmission rod, the upper end of the transmission rod is meshed with the right end of the rotating gear, a spring block and a return spring are arranged in the transmission cavity, the lower end of the spring block is positioned in the lifting cavity and is in contact with the lower pressing rod, the return spring is connected with the upper end wall of the transmission cavity, the upper end of the spring block is fixedly connected with a chain, the upper end of the chain penetrates through the upper end wall of the transmission cavity twice and is wound on the rotating shaft.

Furthermore, the driving mechanism comprises a driving cavity with a right opening and a lower end wall communicated with the storage cavity, the left end wall of the driving cavity is fixedly connected with a driving motor in power connection with the left end of the driving shaft, the upper end wall of the driving cavity is internally provided with three pressing cavities with upward openings, the lower end wall of the pressing cavity is internally provided with a communicating cavity with a lower end wall communicated with the driving cavity, the communicating cavity is internally provided with a pressing plate and two supporting springs for supporting the pressing plate, the lower end of the pressing plate is fixedly provided with a lifting block with a lower end positioned in the communicating cavity, the lifting block is internally provided with a spring groove with a downward opening, the spring groove is internally provided with a trapezoidal block with a lower end positioned in the communicating cavity and a telescopic spring for connecting the trapezoidal block with the upper end wall of the spring groove, the lower end wall of the storage cavity is fixedly provided with four limiting rods, and a seal, an operation screen is arranged in the right end face of the stamping machine.

Furthermore, the friction force between the connecting column and the end wall of the pressing cavity is slightly smaller than the elastic force of the two supporting springs, the elastic force of the return spring is far greater than that of the vent pipe, and the elastic force of the extension spring is far greater than that of the top pressure spring.

The invention has the beneficial effects that: the device simple structure, the simple operation can realize automatic stamping, and can adjust the position of stamping according to user's demand, through user's requirement, accomplishes the change to the seal automatically, does not need the manual work to change the seal, has improved the efficiency of stamping.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure B-B in FIG. 1 according to an embodiment of the present invention;

fig. 4 is a front view enlarged schematic diagram of the structure at C in fig. 1 according to the embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-4, the automatic seal taking and stamping apparatus includes a stamping machine 10, a lower pressing rod 36 penetrating through the stamping machine 10 is provided in the stamping machine 10, a conveying mechanism 70 capable of clamping and moving a to-be-stamped document is provided in the lower pressing rod 36, a storage cavity 16 penetrating through the stamping machine 10 from front to back is provided in an upper end wall of the lower pressing rod 36, a lower end wall communicated with the lower pressing rod 36 and a left end wall communicated with a lifting cavity 28 of the storage cavity 16 are provided in a right end wall of the storage cavity 16, a seal mechanism 71 for stamping is provided in the lifting cavity 28, the seal mechanism 71 includes a translation block 61, a winding cavity 37 is provided in the translation block 61, a driving shaft 19 penetrating through left and right end walls of the winding cavity 37 is provided in the winding cavity 37, a winding wheel 39 is connected to the driving shaft 19 in the winding cavity 37 in a threaded manner, a gear ring 38 and a rope 54 are fixed on the winding wheel 39, be equipped with the ascending roof pressure chamber 41 of opening in the wall of coiling chamber 37 lower extreme, be equipped with the ascending groove 55 of pressing of opening in the wall of coiling chamber 37 upper extreme, be equipped with the upper end in the roof pressure chamber 41 with ring gear 38 meshing and restriction ring gear 38 pivoted limiting plate 40 and support the roof pressure spring 42 of limiting plate 40, limiting plate 40 upper end is fixed with the upper end and is located press the depression bar 36 in the groove 55, be equipped with the decurrent connection chamber 53 of opening in the wall of coiling chamber 37 front end, be equipped with the lower extreme in the connection chamber 53 and be located the spliced pole 51 in lift chamber 28, spliced pole 51 lower extreme is equipped with the clamp block 45 that is used for fixed seal, be equipped with the ascending spring chamber 50 of opening in the spliced pole 51, be equipped with spring lever 49 and connect in the spring chamber 50 spring lever 49 with the connecting spring 48 of spring chamber 50 lower extreme wall, connecting chamber 53 upper end is fixed with the lower extreme and the spring lever 49 that spring lever 49 upper end is connected, rope 54 upper end runs through wind chamber 37 upper end wall with connect chamber 53 upper end wall and with spring beam 49 fixed connection, it presss from both sides tight chamber 47 to be equipped with the opening decurrent in the tight piece 45 of clamp, it is equipped with sucking disc 46 in the tight chamber 47 to press from both sides, it is equipped with the intercommunication to press from both sides tight chamber 47 upper end wall lift chamber 28 with press from both sides the vent pipe 43 in tight chamber 47, be equipped with electromagnetic switch 44 in the vent pipe 43, press from both sides tight piece 45 right-hand member fixedly connected with driven piece 76, be equipped with control in the lift chamber 28 the elevating system 73 that limiting plate 40 goes up and down, it is equipped with the actuating mechanism 72 of drive arrangement operation in the chamber 16 upper end wall to deposit, through actuating mechanism 72 seal mechanism 71 with elevating system 73's cooperation realizes the automatic process of getting the seal and stamping, convenient to.

Advantageously, the conveying mechanism 70 comprises a stamping table 11 fixedly connected to the lower end wall of the lower pressing rod 36, a rotating cavity 74 is arranged in the rear end wall of the lower pressing rod 36, four rolling shafts 14 with front ends positioned in the lower pressing rod 36 are arranged in the rotating cavity 74, a first belt pulley 58 and a third belt pulley 59 are fixed at the rear ends of the two upper rolling shafts 14, a second belt pulley 56 is fixedly connected at the rear end of the lower rolling shaft 14, a rotating motor 57 in power connection with the rear end of the upper right rolling shaft 14 is fixedly connected at the rear end wall of the rotating cavity 74, the first belt pulley 58 and the second belt pulley 56 and the two third belt pulleys 59 are connected through a belt 75, a roller 13 for conveying and clamping documents is fixed at the front end of the rolling shaft 14, a receiving table 12 for supporting paper is fixed at the left end wall of the stamping machine 10, the upper end wall of the lower pressing rod 36 is internally provided with a moving cavity 31 with a right end wall communicated with an external space, the moving cavity 31 is internally and slidably connected with two moving blocks 32, the right end of each moving block 32 is fixedly connected with a moving rod 33 with a right end positioned in the external space, the lower end of each moving rod 33 is fixedly provided with a connecting rod 34, and a right-inclined upward placing plate 35 is fixedly connected between the lower ends of the two lower pressing rods 36.

Advantageously, said lifting means 73 comprise a motorized guide 30 fixed to the right end wall of said lifting chamber 28, the left end wall of the electric guide rail 30 is fixedly connected with a transmission block 69, the lower end of the transmission block 69 is fixedly provided with a lifting rod 60 the lower end of which can be abutted against the driven block 76, a transmission cavity 67 with a downward opening is arranged in the upper end wall of the lifting cavity 28, a rotating shaft 65 is rotatably connected between the front end wall and the rear end wall of the transmission cavity 67, a rotating gear 66 is fixedly connected to the rotating shaft 65, a transmission rod 68 with the upper end engaged with the right end of the rotating gear 66 is fixedly connected to the upper end of the transmission block 69, a spring block 62 with the lower end positioned in the lifting cavity 28 and contacted with the lower pressure rod 36 and a return spring 63 connecting the spring block 62 and the upper end wall of the transmission cavity 67 are also arranged in the transmission cavity 67, the upper end of the spring block 62 is also fixedly connected with a chain 64, the upper end of which penetrates through the upper end wall of the transmission cavity 67 twice and is wound on the rotating shaft 65.

Beneficially, the driving mechanism 72 includes a driving chamber 18 with a right opening and a lower end wall communicated with the storage chamber 16, the left end wall of the driving chamber 18 is fixedly connected with a driving motor 17 which is in power connection with the left end of the driving shaft 19, the upper end wall of the driving chamber 18 is provided with three pressing chambers 22 with upward openings, the lower end wall of the pressing chamber 22 is provided with a communicating chamber 26 with a lower end wall communicated with the driving chamber 18, the communicating chamber 26 is provided with a pressing plate 21 and two supporting springs 20 supporting the pressing plate 21, the lower end of the pressing plate 21 is fixed with a lifting block 23 with a lower end located in the communicating chamber 26, the lifting block 23 is provided with a spring groove 24 with a downward opening, the spring groove 24 is provided with a trapezoidal block 27 with a lower end located in the communicating chamber 26 and a telescopic spring 25 connecting the trapezoidal block 27 with the upper end wall of the spring groove 24, the lower end wall of the storage chamber 16 is fixed with four limiting rods 15, and a seal is stored between the two limiting rods 15, and an operation screen 29 is arranged in the right end face of the stamping machine 10.

Advantageously, the friction between the connecting rod 51 and the end wall of the pressing chamber 22 is slightly less than the elastic force of the two support springs 20, the elastic force of the return spring 63 is much greater than the elastic force of the vent pipe 43, and the elastic force of the extension spring 25 is much greater than the elastic force of the top pressure spring 42.

In the initial state, the return spring 63 is in a compressed state.

When stamping is needed, pressing the needed pressing plate 21 as required to drive the lifting block 23 and the trapezoidal block 27 to descend and enable the lower end of the trapezoidal block 27 to be positioned in the driving cavity 18, at the moment, the driving motor 17 works to drive the driving shaft 19 to rotate, the limiting plate 40 limits the rotation of the gear ring 38, so that the driving shaft 19 drives the winding wheel 39 and the translation block 61 to move leftwards when rotating, so as to drive the clamping block 45 to move leftwards, so that the lower ends of the translation block 61 and the clamping block 45 enter the storage cavity 16 and the upper end of the translation block 61 enters the driving cavity 18, when the translation block 61 moves leftwards and contacts with the lower end of the trapezoidal block 27, the trapezoidal block 27 is firstly driven to move upwards and compress the telescopic spring 25, when the trapezoidal block 27 is positioned on the upper side of the pressing groove 55, the telescopic spring 25 resets to drive the trapezoidal block 27 to descend, so as to drive the lower pressing rod 36 to descend, so as to enable the, therefore, the limiting plate 40 does not limit the rotation of the gear ring 38 any more, at the moment, the rotation of the driving shaft 19 drives the winding wheel 39 to rotate, so that the rope 54 is loosened, the clamping block 45 and the connecting column 51 descend, the compression spring 52 is stretched, and when the clamping block 45 descends to enable the upper end of the stamp to enter the clamping cavity 47, the clamping block 45 continues to descend, so that the sucker 46 is adsorbed at the upper end of the stamp;

then the driving motor 17 works to drive the driving shaft 19 to rotate reversely, so that the winding wheel 39 rotates reversely, the rope 54 is tensioned, the clamping block 45 and the connecting column 51 are lifted and reset, the stamp is clamped, when the spring cavity 50 slowly drives the pressing plate 21 to reset, the lifting block 23 is driven to lift and reset, the trapezoidal block 27 is driven to lift and return to the communicating cavity 26, the pressing spring 42 is reset to drive the limiting plate 40 to move upwards and limit the gear ring 38 again, at the moment, the driving shaft 19 rotates reversely to drive the winding wheel 39 to move rightwards, the translation block 61 and the clamping block 45 are driven to move rightwards and reset, and when the lower 36 is located at the lower side of the spring block 62 again, the driving motor 17 stops working;

according to the position of stamping, the placing plate 35 is moved back and forth manually, then a document to be stamped is placed on the placing plate 35, the left end of the document slides downwards to a position between the two rollers 13 on the right side, at the moment, the rotating motor 57 works to drive the rolling shaft 14 on the upper right side to rotate, so that the first belt pulley 58 and the third belt pulley 59 on the upper right side are driven to rotate, the third belt pulley 59 rotates to drive the third belt pulley 59 on the upper left side and the rolling shaft 14 to rotate, so that the first belt pulley 58 on the upper left side rotates, the second belt pulley 56 rotates, so that the second belt pulley 56 and the rolling shaft 14 on the lower side are driven to rotate, so that the four rollers 13 rotate, the two rollers 13 on the right side rotate to drive the document to move leftwards, when the document is moved to the position needing stamping, the rotating motor 57 stops moving, and the two rollers 13;

the electric guide 30 operates to drive the transmission block 69 to descend, so as to drive the transmission rod 68 and the lifting rod 60 to descend, when the lifting rod 60 is not in contact with the driven block 76, the transmission rod 68 descends to drive the rotating gear 66 and the rotating shaft 65 to rotate, so as to loosen the chain 64, so that the return spring 63 is reset to drive the spring block 62 to descend, so as to lower the pressing rod 36, so as to lower the limit plate 40, and the limit plate 40 does not limit the rotation of the gear ring 38 again, at this time, the driving motor 17 operates to drive the driving shaft 19 to rotate, so as to enable the winding wheel 39 to loosen the rope 54, simultaneously, the lifting rod 60 descends to be in contact with the driven block 76, when the rope 54 is completely loosened, the lifting rod 60 continues to drive the driven block 76 to descend, so as to stretch the connecting spring 48, so as to continue to descend the clamping block 45, when the seal is in contact with the, thereby resetting the connecting spring 48 to drive the clamping block 45 to rise, separating the seal from the file and finishing the seal;

when the seal needs to be replaced again, when the lifting mechanism 73 resets, the limiting plate 40 resets to limit the winding wheel 39 again, then the driving mechanism 72 works to drive the seal mechanism 71 to move to the original position for clamping the seal, then the electromagnetic switch 44 works to enable the suction cup 46 not to adsorb the seal any more, so that the seal returns to the original position, then the driving mechanism 72 drives the seal mechanism 71 to move again to press the pressing plate 21, and then a new seal is clamped.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.