CN115921755A - Feeding mechanism for press riveting of Chinese-character-shaped fasteners in new energy automobile - Google Patents

Abstract

The application discloses a feeding mechanism that style of calligraphy fastener was pressed and is riveted among new energy automobile, including the material feeding unit who communicates in outside conveyor and connect in material feeding unit's ejecting device, ejecting device connects in outside pressure device, material feeding unit is including the storage tube, the steering joint and the pay-off piece that set gradually, the concave pay-off passageway that is equipped with in bottom surface of pay-off piece, the bottom surface of pay-off passageway is provided with the bottom plate of encapsulation, one side that the pay-off piece is close to the elbow is provided with the feed inlet that communicates steering joint and pay-off passageway, the both ends of pay-off passageway set up respectively pay-off cylinder and the discharge head that corresponds with ejecting device, be provided with discharging channel in the discharge head, be provided with anti-falling device between discharge head and the ejecting device. This application compact structure for the autoloading of style of calligraphy fastener riveting production in the new energy automobile improves work efficiency.

Description

Feeding mechanism for press riveting of Chinese-character-shaped fasteners in new energy automobile

Technical Field

The application relates to the technical field of new energy automobile production, in particular to a feeding mechanism for riveting a Chinese-character-shaped fastener in a new energy automobile.

Background

The fastener is a mechanical part which is used for fastening connection and has wide application, and the fastener has wide application industry and is a mechanical basic part which has the widest application. The riveting fastener is used as a common fastener for the existing new energy automobile, and the connection principle is that a punch presses the riveting fastener downwards to pierce into a preset hole and open towards the wall direction of the preset hole to form a riveting buckle, and a permanent fastening structure is formed in plates such as a frame and the like, so that the plates are tightly connected together. With the development of the technology, the structural form and the function of the nut are more and more diversified; the medium-type fastener is developed on the basis of the conventional T-shaped fastener, one end of the medium-type fastener is punched and riveted without punching in advance, the accuracy requirements of the process and riveting are reduced, and due to the fact that the structure of the fastener is changed, the feeding mechanism corresponding to riveting cannot be applied to automatic production of the medium-type fastener.

Disclosure of Invention

The invention aims to provide a feeding mechanism for riveting a Chinese-character-shaped fastener in a new energy automobile, which meets the requirement of automatic feeding of the Chinese-character-shaped fastener and overcomes the defects in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the embodiment of the application discloses a feeding mechanism that style of calligraphy fastener was pressed and is riveted among new energy automobile, including the material feeding unit who communicates in outside conveyor and connect in material feeding unit's ejecting device, ejecting device connects in outside pressure device, material feeding unit is including the storage tube, steering joint and the pay-off piece that set gradually, the concave pay-off passageway that is equipped with in bottom surface of pay-off piece, the bottom surface of pay-off passageway is provided with the bottom plate of encapsulation, one side that the pay-off piece is close to the elbow is provided with the feed inlet that the intercommunication turned to joint and pay-off passageway, the both ends of pay-off passageway set up respectively pay-off cylinder and the discharge head that corresponds with ejecting device, be provided with discharging channel in the discharge head, be provided with anti-falling device between discharge head and the ejecting device.

Further, in the feeding mechanism for riveting the Chinese character 'ji' type fastener in the new energy automobile, the ejection device comprises a connecting seat connected to an external pressure device, and an ejector rod and a prepressing device which are arranged on one side, close to the feeding block, of the connecting seat, the prepressing device comprises a prepressing seat fixed on the connecting seat and a guide post slidably penetrating through the prepressing seat, one end of the guide post is connected to the feeding mechanism, a prepressing spring is arranged between the other end of the guide post and the connecting seat, and the ejector rod is slidably connected to the guide post through an ejector rod seat.

Furthermore, in the feeding mechanism for riveting the new energy automobile medium-sized character-shaped fastener, a guide column seat is arranged at one end, close to the feeding block, of the guide column, the guide column seat and the guide column are integrally formed and connected to the feeding block and the anti-falling device, and the ejector rod sequentially penetrates through the guide column seat, the anti-falling device and the discharge head in a sliding mode.

Further, in the feeding mechanism for riveting the Chinese-character-shaped fastener in the new energy automobile, an impact block is arranged on one side, close to the ejector rod, of the top surface of the guide post seat, and an avoidance groove corresponding to the ejector rod is formed in the impact block.

Furthermore, in the feeding mechanism for riveting the Chinese character 'ji' type fastener in the new energy automobile, the ejector rod is of a cylindrical structure, an installation boss protrudes from one end of the ejector rod, which is close to the prepressing seat, a T-shaped installation hole corresponding to the ejector rod is formed in the ejector rod seat, the ejector rod is packaged in the ejector rod seat through a bearing plate, a guide groove is formed in the side surface of the guide column, and a guide pin sliding in the guide groove is arranged on the ejector rod seat.

Further, in the feeding mechanism for the riveting of the Chinese-character-shaped fastener of the new energy automobile, a positioning hole corresponding to the top end of the Chinese-character-shaped fastener is concavely formed in one end, deviating from the connecting seat, of the ejector rod, and a magnet is arranged in the positioning hole.

Further, in foretell a feeding mechanism that style of calligraphy fastener was pressed and is riveted among being used for new energy automobile, anti-falling device sets up in the double-layered material device of mount pad including the mount pad that is fixed in ejecting device and slip, be provided with in the mount pad and feed through in the pay-off passageway push away the material passageway, push away the material passageway and extend to under the ejector pin to feed through in discharging channel, it sets up the clamp material piece that pushes away the material passageway both sides including relative to press from both sides the material device, the inboard of clamp material piece is provided with the double-layered silo that corresponds with well style of calligraphy fastener, and the top of feed trough is the inclined plane structure.

Further, in foretell a feeding mechanism for new energy automobile medium style of calligraphy fastener is pressed and is riveted, mount pad and discharge head are formed with the step groove in adjacent the both sides face of ejector pin respectively, press from both sides the material piece and slide through spacing and set up in the step groove, press from both sides the protruding spacing boss that corresponds with the step groove that stretches of one end side that the material piece is close to spacing, be provided with the material clamping spring between material piece and the spacing.

Further, in the feeding mechanism for riveting the medium-sized and square-shaped fasteners of the new energy automobile, the side surfaces of the ejector rods are respectively provided with a contact plane corresponding to the clamping block.

Further, in the feeding mechanism for riveting the new energy automobile medium-sized character-shaped fastener, a lining tile is arranged at the top end of the discharging channel, the top end of the lining tile is provided with a yielding groove corresponding to the material clamping block respectively, and a cushion block corresponding to the feeding channel is arranged on one side, close to the feeding block, of the lining tile.

Compared with the prior art, the invention has the advantages that: the feeding mechanism for the press riveting of the Chinese-character-shaped fastener in the new energy automobile is compact in structure, is used for automatic feeding in the press riveting production of the Chinese-character-shaped fastener in the new energy automobile, and improves the working efficiency.

Drawings

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

Fig. 1 is a schematic structural diagram of a Chinese-character-shaped fastener of a new energy automobile.

Fig. 2 is a schematic structural view of a feeding mechanism for clinching a square fastener in a new energy automobile according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a feedblock and an ejection device in an embodiment of the present invention.

Figure 4 shows a schematic cross-sectional view of a storage tube and a steering joint in an embodiment of the invention.

Fig. 5 is a schematic view showing the installation of the feeding cylinder and the discharging head in the embodiment of the present invention.

FIG. 6 is a schematic view of the fall arrest device according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an ejection device according to an embodiment of the present invention.

Figure 8 is a schematic view of the installation of the lining tiles and the spacer block in a specific embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, a feeding mechanism for riveting a Chinese character-shaped fastener in a new energy automobile comprises a feeding device for conveying a Chinese character-shaped fastener 10 and an ejection device connected to the feeding device, the ejection device is connected to an external pressure device (not shown), the feeding device comprises a storage pipe 1, a steering joint 2 and a feeding block 3 which are sequentially arranged, a feeding channel is concavely arranged on the bottom surface of the feeding block 3, a packaged bottom plate is arranged on the bottom surface of the feeding channel, a feeding port communicated with the steering joint 2 and the feeding channel is arranged on one side, close to an elbow, of the feeding block 3, feeding cylinders 4 and discharging heads 6 corresponding to the ejection device 5 are respectively arranged at two ends of the feeding channel, discharging channels are arranged in the discharging heads 6, and an anti-falling device 7 is arranged between the discharging heads 6 and the ejection device 5.

According to the technical scheme, an external pressure device is a conventional pressure device such as a servo cylinder, a piston rod of the external pressure device acts on the top end of an ejection device directly or through a connecting plate, a feeding mechanism directly utilizes a control device of riveting equipment, a storage pipe is connected to a vibrating disc and the like through a conventional blowing device, a middle-shaped channel corresponding to a middle-shaped fastener is arranged in the storage pipe, the storage pipe is vertically arranged, namely the middle-shaped fastener is in a state required by vertical riveting in the storage pipe, and before riveting, the middle-shaped fastener is turned for 90 degrees through a steering joint; an arc-shaped groove for accommodating a Chinese character 'zhong' type fastener to pass through is processed in the steering joint and is packaged through a side plate, a connecting boss convexly extends from the top end of one side, close to the feeding block, of the steering joint, the feeding block is fixed, the arc-shaped groove is communicated with the feeding hole, the top end of the steering joint is inserted into the connecting head and is fixed through a bolt, and seamless butt joint with the connecting head is achieved; a piston rod of the feeding cylinder is connected with a feeding block through a floating connector, the pushing block is equivalent to a sliding block sliding along a feeding channel and moves back and forth under the driving of the feeding cylinder to sequentially push the Chinese character type fasteners to the anti-falling device, a feeding groove corresponding to the Chinese character type fasteners is arranged at the front end of the pushing block, the feeding groove comprises arc grooves corresponding to the tail section and the middle section of each Chinese character type fastener respectively, the feeding stability is improved, the feeding device is also suitable for feeding of T-shaped nuts, a first inductor is arranged on one side, opposite to a feeding port, of the feeding channel and used for sensing whether the Chinese character type fasteners completely enter the feeding channel, a housing for protecting the first inductor is arranged, a limiting pin protrudes from one side, close to the pushing block, of a bottom plate, and the bottom surface of the pushing block is concavely provided with a limiting groove corresponding to the limiting pin so as to limit the stroke of the pushing block and avoid extrusion; the middle-shaped fasteners sequentially enter the material storage pipe and enter the feeding channel, then the middle-shaped fasteners are pushed to the position under the ejector rod by the feeding cylinder and are clamped by the anti-falling device, the middle-shaped fasteners are ejected out by the ejection device under the action of the pressure device and are riveted, the feeding cylinder is controlled by the control device of the pressure device in cooperation with the electromagnetic valve and the inductor, the specific pipeline and line connection belong to the conventional technology, and the detailed description is omitted; the feeding mechanism for the Chinese-character-shaped fasteners is compact in structure, can automatically convey the Chinese-character-shaped fasteners, and improves production efficiency; the feeding air cylinder which is arranged independently improves feeding stability, and the anti-falling device which is arranged by matching with the ejection device improves positioning precision of the fastener shaped like a Chinese character 'zhong', so that riveting precision is improved.

Illustratively, referring to fig. 3 and 7, the ejector device 5 includes a connecting seat 51 connected to an external pressure device, and an ejector rod 52 and a pre-pressing device disposed on one side of the connecting seat 51 close to the feeding block 3, the pre-pressing device includes a pre-pressing seat 53 fixed to the connecting seat 51 and a guide post 54 slidably penetrating through the pre-pressing seat 53, one end of the guide post 54 is connected to the feeding device, a pre-pressing spring 55 is disposed between the other end of the guide post 54 and the connecting seat 51, and the ejector rod 52 is slidably connected to the guide post 54 through an ejector rod seat 56.

According to the technical scheme, after a middle-shaped fastener is fed in place, a pressure device integrally pushes a feeding mechanism to integrally move downwards, a discharging head firstly contacts a fixed workpiece to be riveted, an ejection device continuously moves downwards, a prepressing spring is continuously compressed to completely press the workpiece to be riveted, the displacement and the like in the riveting process are avoided, the riveting precision is improved, and an ejection rod continuously ejects the middle-shaped fastener until the middle-shaped fastener is stamped and riveted to the corresponding workpiece to be riveted; the prepressing seat and the ejector rod seat are arranged along the guide column in a sliding mode, and the moving stability and precision of the ejector rod are improved.

Illustratively, referring to fig. 3 and 7, one end of the guide post 54 close to the feeding block 3 is provided with a guide post seat 541, the guide post seat 541 is integrally formed with the guide post 54 and is connected to the feeding block 3 and the anti-falling device 7, and the ejector rod 52 sequentially and slidably penetrates through the guide post seat 541, the anti-falling device 7 and the discharge head 6.

According to the technical scheme, the guide pillar seat is used for installing the anti-falling device and the discharging block, the positioning strip is convexly arranged on the bottom surface of the guide pillar seat, the grooves corresponding to the positioning strip are concavely formed in the top ends of the anti-falling device and the discharging block, the anti-falling device and the discharging block can be conveniently and quickly positioned and installed, the guide pillar seat and the guide pillar are integrally formed, the verticality between the guide pillar and the guide pillar seat is guaranteed by machining precision, a plurality of oil grooves are machined in the surface of the guide pillar and used for storing lubricating oil/grease, locking and the like between the ejector rod seat and the pre-pressing seat and between the guide pillar are avoided, a protective shell is further arranged on the outer side of the guide pillar seat and used for preventing hands from mistakenly entering the pre-pressing seat and the guide pillar seat, and the like, and the inner wall of the protective shell and the outer sides of the pre-pressing seat, the connecting seat and the ejector rod seat are arranged at intervals, so that the operation of the ejection device is avoided being interfered.

Illustratively, referring to fig. 7, the top surface of the guide post holder is provided with an impact block 57 on a side close to the push rod 52, and the impact block is provided with an avoidance groove corresponding to the push rod 52.

Among this technical scheme, the striking piece is close to the concave U type groove that is equipped with of a side end face of ejector pin, does not interfere the normal operating of ejector pin, and the striking piece is L type structure, and the one end of bending is passed through the bolt fastening in the side of guide post seat, avoids the ejector pin seat directly to strike the guide post seat.

Illustratively, referring to fig. 7, the ejector rod 52 is a cylindrical structure, and a mounting boss protrudes from one end of the ejector rod 52 close to the pre-press seat 53, a T-shaped mounting hole corresponding to the ejector rod 52 is formed in the ejector rod seat 56, the ejector rod 52 is enclosed in the ejector rod seat 56 through the pressure-bearing plate 58, a guide groove 542 is formed in a side surface of the guide column 54, and a guide pin 561 sliding in the guide groove is formed on the ejector rod seat 56.

Among this technical scheme, T type mounting hole one side of ejector pin seat is provided with the locating pin, the installation boss side processing of ejector pin has the location plane that corresponds with the locating pin, avoid ejector pin self to rotate, the top of ejector pin is through the bearing plate axial fixity, the required power is riveted in the loading board transmission pressure, bear the reaction force of ejector pin when riveting simultaneously, the guide pin is at the sliding stroke of guide way, the extreme position of restriction ejector pin, leave sufficient space and hold between the chinese character type fastener gets into the anti-falling device and avoid the ejector pin excessively to stretch out.

Illustratively, referring to fig. 3, one end of the top rod 52 facing away from the connecting seat 51 is concavely provided with a positioning hole corresponding to the top end of the fastener shaped like a Chinese character 'zhong', and a magnet 59 is arranged in the positioning hole.

Among this technical scheme, when the ejector pin was ejecting with well style of calligraphy fastener, style of calligraphy fastener in the magnet holding avoided it to freely drop, and the bottom surface of ejector pin laminates in the top surface in well style of calligraphy fastener middle section, and at this moment, the interval sets up between the top surface of magnet and well style of calligraphy fastener top segment, and when avoiding pressing the rivet, the extrusion caused magnet to damage.

Illustratively, as shown in fig. 5 and 6, the anti-falling device 7 includes a mounting seat 71 fixed to the ejection device 5 and a material clamping device slidably disposed on the mounting seat 71, a material pushing channel communicated with the material feeding channel is disposed in the mounting seat 71, the material pushing channel extends to a position right below the ejector rod 52 and is communicated with the material discharging channel, the material clamping device includes material clamping blocks 72 disposed on two sides of the material pushing channel, material clamping grooves corresponding to the fastener shaped like a Chinese character 'zhong' are disposed on inner sides of the material clamping blocks 72, and top ends of the material feeding grooves are inclined.

Among this technical scheme, mount pad snap-on in guide post seat to and through bolted connection between the pay-off piece, the discharge head is fixed in under the mount pad, and the one end that pushes away the material passageway and deviates from the pay-off passageway is processed there is the through-hole, holds the ejector pin and slides and pass through, and two reinforced pieces set up in the both sides of through-hole relatively, and one side that the through-hole deviates from the pay-off passageway is provided with the second inductor, is used for confirming whether the centre gripping has well style of calligraphy fastener between the clamp piece.

Illustratively, as shown in fig. 2 and 6, stepped grooves are respectively formed in two side surfaces of the mounting seat 71 and the discharge head 6 adjacent to the ejector rod 52, the clamping block 72 is slidably disposed in the stepped grooves through a limiting strip 73, a limiting boss corresponding to the stepped groove is convexly extended on one side surface of the clamping block 72 close to the limiting strip 73, and a clamping spring 74 is disposed between the clamping block 72 and the limiting strip.

In the technical scheme, the clamping block slides along the inner side of the step groove, the outer side of the clamping block and the outer side of the step groove are limited, the space between the clamping grooves can be ensured to contain the middle section of the Chinese character type fastener, the ejector rod can push out the Chinese character type fastener and then reset, the clamping block resets under the action of the clamping spring, the next Chinese character type fastener enters the clamping groove again, the limiting strip limits the clamping block to be separated from the mounting seat, the clamping spring is compressed all the time, the clamping spring acts on the clamping block, a T-shaped structure is arranged on the inner side of the limiting strip and provided with a guide pillar, the large-diameter end is supported on the limiting strip and radially limited through a shaft hole structure, the small-diameter end slides to penetrate through the clamping block, the moving direction of the clamping block is limited by the step groove, the stability of the clamping block is ensured, the clamping spring is sleeved on the guide pillar, the deformation of the clamping spring is ensured to be along the axis direction, the service life is prolonged, and the clamping block cannot reset caused by the inclination of the clamping spring is avoided.

Illustratively, as shown in fig. 2 and 7, the side surfaces of the carrier rods 52 are respectively provided with a contact plane corresponding to the material clamping block 72.

In the technical scheme, the ejector rod needs to extrude the clamping block in the ejection process of the Chinese character 'zhong' type fastener, the clamping block is in sliding contact with the ejector rod, the contact area between the clamping block and the ejector rod can be increased due to the arrangement of the contact plane, the possibility of surface damage of the ejector rod is reduced, the side face, close to the second inductor, of the ejector rod is further provided with the reference plane, and the two contact planes are processed by the reference plane at the same time, so that the processing precision is improved.

Illustratively, as shown in fig. 8, the top end of the discharging channel is provided with a lining tile 8, the top end of the lining tile 8 is provided with a pair of receding grooves respectively corresponding to the material clamping blocks 72, and one side of the lining tile 8 close to the feeding block 3 is provided with a cushion block 9 corresponding to the feeding channel.

Among this technical scheme, the wearing resistance of stub bar is improved to the lining tile, increase of service life, its top both sides are the groove of stepping down respectively, avoid interfering the motion of pressing from both sides the material piece, and the lining tile deviates from the one end and the key cooperation location of cushion, is convenient for install fast, and the top surface of cushion is provided with the aqueduct, and crosses the both sides of aqueduct and all extend to the top of lining tile for dock the pay-off passageway to pressing from both sides the silo, simultaneously, press from both sides the axial displacement that material piece and cushion can avoid the lining tile.

To sum up, this a feeding mechanism for type fastener pressure riveting in new energy automobile compact structure for the autoloading of type fastener pressure riveting production in new energy automobile improves work efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims (10)

1. The utility model provides a feeding mechanism that style of calligraphy fastener pressure was riveted in being used for new energy automobile, a serial communication is including the material feeding unit who communicates in outside conveyor and connecting in material feeding unit's ejecting device, ejecting device connects in outside pressure device, material feeding unit is including the storage tube, steering joint and the pay-off piece that set gradually, the concave pay-off passageway that is equipped with in bottom surface of pay-off piece, the bottom surface of pay-off passageway is provided with the bottom plate of encapsulation, one side that the pay-off piece is close to the elbow is provided with the feed inlet that communicates steering joint and pay-off passageway, the both ends of pay-off passageway set up respectively pay-off cylinder and the discharge head that corresponds with ejecting device, be provided with discharging channel in the discharge head, be provided with anti-falling device between discharge head and the ejecting device.

2. The feeding mechanism for riveting the Chinese-character-shaped fastener in the new energy automobile according to claim 1, characterized in that: the ejection device comprises a connecting seat connected to an external pressure device, and an ejector rod and a prepressing device which are arranged on one side, close to the feeding block, of the connecting seat, the prepressing device comprises a prepressing seat fixed on the connecting seat and a guide post which penetrates through the prepressing seat in a sliding mode, one end of the guide post is connected to the feeding device, a prepressing spring is arranged between the other end of the guide post and the connecting seat, and the ejector rod is connected to the guide post in a sliding mode through an ejector rod seat.

3. The feeding mechanism for riveting the Chinese-character-shaped fastener in the new energy automobile according to claim 2, characterized in that: the guide post seat is arranged at one end, close to the feeding block, of the guide post, the guide post seat and the guide post are integrally formed and connected to the feeding block and the anti-falling device, and the ejector rod sequentially penetrates through the guide post seat, the anti-falling device and the discharging head in a sliding mode.

4. The feeding mechanism for clinching the H-shaped fastener in the new energy automobile as claimed in claim 3, wherein: and one side, close to the ejector rod, of the top surface of the guide post seat is provided with an impact block, and an avoidance groove corresponding to the ejector rod is arranged in the impact block.

5. The feeding mechanism for riveting the new energy automobile medium-sized character-shaped fasteners as claimed in claim 2, characterized in that: the ejector rod is of a cylindrical structure, a mounting boss protrudes from one end, close to the prepressing seat, of the ejector rod, a T-shaped mounting hole corresponding to the ejector rod is formed in the ejector rod seat, the ejector rod is packaged in the ejector rod seat through a bearing plate, a guide groove is formed in the side face of the guide column, and a guide pin sliding in the guide groove is arranged on the ejector rod seat.

6. The feeding mechanism for riveting the Chinese-character-shaped fastener in the new energy automobile according to claim 2, characterized in that: one end of the ejector rod, which is far away from the connecting seat, is concavely provided with a positioning hole corresponding to the top end of the Chinese-character-shaped fastener, and a magnet is arranged in the positioning hole.

7. The feeding mechanism for riveting the Chinese-character-shaped fastener in the new energy automobile according to claim 2, characterized in that: the anti-falling device is arranged in the material clamping device of the mounting seat in a sliding mode and comprises a mounting seat fixed on the ejection device, a material pushing channel communicated with a material feeding channel is arranged in the mounting seat, the material pushing channel extends to the position under the ejector rod and is communicated with a material discharging channel, the material clamping device comprises material clamping blocks arranged on two sides of the material pushing channel relatively, material clamping grooves corresponding to the middle-style of calligraphy fasteners are arranged on the inner sides of the material clamping blocks, and the top end of each material feeding groove is of an inclined plane structure.

8. The feeding mechanism for clinching the H-shaped fastener in the new energy automobile as claimed in claim 7, wherein: step grooves are formed in two side faces, adjacent to the ejector rod, of the mounting seat and the discharging head respectively, the material clamping block is arranged in the step grooves in a sliding mode through limiting strips, limiting bosses corresponding to the step grooves are convexly extended on the side face of one end, close to the limiting strips, of the material clamping block, and material clamping springs are arranged between the material clamping block and the limiting strips.

9. The feeding mechanism for clinching the H-shaped fastener in the new energy automobile as claimed in claim 7, wherein: and the side surfaces of the ejector rods are respectively provided with a contact plane corresponding to the material clamping blocks.

10. The feeding mechanism for clinching the H-shaped fastener in the new energy automobile as claimed in claim 7, wherein: the top of discharging channel is provided with the lining tile, the top of lining tile is provided with the groove of stepping down that corresponds with the clamp material piece respectively, one side that the lining tile is close to the pay-off piece sets up the cushion that corresponds with the pay-off channel.

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