CN220920562U - Cover body edging processingequipment - Google Patents

Abstract

The utility model provides a cover body edging processing device which comprises a fixed seat, and an edging component and a material bearing component which are connected to the fixed seat, wherein the edging component consists of an edging punch and a cylinder which are arranged on the fixed seat, the cylinder is fixedly connected with the fixed seat, the edging punch is arranged below the cylinder, the cylinder is fixedly connected with the edging punch, the material bearing component is arranged below the edging punch, the material bearing is provided with a material bearing disc, the surface of the material bearing disc is provided with a groove, the bottom of the groove is provided with a negative pressure hole, one side of the material bearing disc is provided with a material discharging component, and the other side of the material bearing disc is provided with a material feeding component.

Description

Cover body edging processingequipment

Technical Field

The utility model relates to the field of cover body processing, in particular to a cover body edging processing device.

Background

The cover body edging processing is a process link of cover body manufacture, and the cover body edging processing is to enable the edge of the metal cover body to form a curled edge through a stamping mode, so that the cover body edging can increase the strength of the cover body, and meanwhile, the attractiveness of the cover body can be improved. The cover body edging processing comprises three steps of cover body feeding, cover body edging stamping and cover body blanking. In the stamping forming process of the cover body edging processing, the cover body is required to be manually placed into stamping equipment and then subjected to edging stamping, and the stamped cover body is required to be manually taken out after stamping is finished, so that the processing process is discontinuous, and the edging efficiency is low. The patent of publication number CN201900199U discloses a hemming system in bottle lid production facility, and this scheme adopts the form of spinning to carry out the edging operation, through setting up a plurality of bottle lid axle cores at bottle lid axle core fixed plate surface border, bottle lid axle core top is equipped with the push rod pressure head, during the edging operation, need detain the lid on the bottle lid axle core, drive bottle lid and bottle lid axle core through the push rod pressure head and rotate together to be close to the turn-up crossbeam simultaneously, realize a lid edging, rotate the bottle lid axle core fixed plate and continue to carry out next lid edging operation afterwards. The continuous problem of the edging punching operation of bottle lid edging in-process has been solved to this patent, but still need the manual work to detain this lid and take off the lid, and edging efficiency remains to improve.

As an improved directional hint, in the prior art, the patent of publication No. CN211990664U discloses a bottle cap hemming machine, which has the scheme that a plurality of processing seats are arranged on a main rotary table, the processing seats can rotate along with the main rotary table, a feeding guide rail is arranged on one side of the main rotary table, a stop block driven by a rotary cylinder is arranged on the feeding guide rail, the stop block can cooperate with the rotation of the main rotary table and the cooperation of a controller, so that the automatic falling of a cap body onto the processing seats is realized, the automatic feeding of the cap body is realized, a magnet is arranged at a discharge hole, the bottle cap can be attracted and separated from the processing seats, and is transferred onto a conveying disc, and the high-pressure gas sprayed by a jet pipe transfers a cup cap cover on the conveying disc to a conveying device of the next procedure. The automatic flanging of the bottle cap can be realized, the manpower consumption in the bottle cap flanging process is reduced, the multi-station alternate working can be realized by the design of a plurality of processing shafts on the main rotary table, and the processing efficiency can be improved.

The prior art mentioned above has some areas to be improved in combination with the actual situation: 1. the equipment cannot perform edge rolling processing on a plurality of cover bodies at the same time, and the edge rolling efficiency needs to be improved; 2. the device is only suitable for curling iron bottle caps, and cannot be well applied to other bottle caps made of metal materials which cannot attract the magnet.

Disclosure of utility model

Aiming at the technical defects in the background art, the utility model provides cover body edging processing equipment which can realize stable feeding and discharging operation of a cover body and simultaneous edging processing of a plurality of cover bodies in the cover body edging processing process. Solves the technical problems and meets the actual demands, and the specific technical scheme is as follows:

A cover body edging device comprises a fixed seat, a edging component and a material bearing component, wherein the edging component and the material bearing component are connected to the fixed seat;

A support column perpendicular to the ground is arranged at the position close to the edge of the top of the fixing seat, one end of the support column is fixedly connected with the top of the fixing seat, and the other end of the support column is close to the material bearing part;

The binding component consists of a binding punch and a cylinder which are arranged on the fixed seat, the cylinder is fixedly connected with the fixed seat, the binding punch is arranged below the cylinder, the cylinder is fixedly connected with the binding punch, and the material bearing component is arranged below the binding punch;

The material bearing component consists of a material bearing device and a rotating shaft, a stepping motor is arranged at the bottom of the fixed seat, one end of the rotating shaft is fixedly connected with the material bearing device, the other end of the rotating shaft is connected with the stepping motor, the material bearing device is provided with a material bearing disc, grooves which are equidistant along the edge of the material bearing disc and are symmetrically distributed in a rotating way are arranged on the upper surface of the material bearing disc, and negative pressure holes are arranged at the bottom of the grooves;

The feeding device comprises a feeding plate, a feeding assembly is arranged on one side of the feeding plate, a discharging assembly is arranged on the other side of the feeding plate, the feeding assembly comprises a feeding guide groove, a baffle and a pneumatic push plate, the feeding guide groove is arranged at the edge of the feeding plate, an opening is arranged at the end part of a discharging end of the feeding guide groove towards a discharging hole of a supporting column, the baffle is arranged on the opposite side of the discharging hole, the pneumatic push plate is movably connected with the end part of the discharging end of the feeding guide groove, the discharging assembly comprises a collecting pipe and an air ejector pipe, the collecting pipe is arranged at the edge of the feeding plate, the air ejector pipe is arranged on the opposite side of the collecting pipe, and a collecting port is arranged at the end part of the feeding end of the collecting pipe.

Further, the binding punch comprises ejector pin, binder base and die shank, the inside cavity that is equipped with of binder, the inside powerful spring that is equipped with of cavity, binder one end links to each other with binder base is fixed, binder other end tip internal surface is equipped with annular stopper, ejector pin one end is arranged in the cavity inside and with powerful spring's one end movable contact, the ejector pin other end is arranged in the binder outside, binder's one end links to each other with binder base lower extreme is fixed, binder base's upper end links to each other with the die shank.

Further, the die shank is provided with an arc-shaped base, the upper surface of the arc-shaped base is provided with a connecting shank fixedly connected with the die shank, and the upper end of the binder base is fixedly connected with the arc-shaped base.

Furthermore, the whole edge rolling device is a cylinder and is formed by axially and fixedly connecting two cylinders with different diameters and lengths, the outer surface of the connecting position of the two cylinders of the edge rolling device is provided with a guide groove, and the section of the guide groove is semicircular.

Further, the material bearing disc is provided with a feeding guide groove at the edge position, the discharging end of the feeding guide groove and the material bearing disc are positioned at the same horizontal height, the discharging end of the feeding guide groove is provided with a pneumatic push plate, one end of the pneumatic push plate is arranged inside the discharging end of the feeding guide groove, the feeding guide groove is provided with a discharging hole, a baffle is arranged on one side opposite to the opening of the discharging hole, the transverse section of the baffle is arc-shaped, the height from the bottom surface of the baffle to the horizontal ground is greater than the height from the upper surface of the material bearing disc to the horizontal ground, a fixing rod is arranged on one side of the baffle, and the baffle is fixedly connected with the support column through the fixing rod.

Furthermore, an air pump is arranged below the discharge end of the feeding guide groove, a negative pressure pipeline connected with the air pump is arranged at the position close to the bottom of the negative pressure hole, and an air inlet of the negative pressure pipeline is close to the bottom of the negative pressure hole.

Further, the collecting pipe is provided with a collecting port, the lower surface of the collecting port and the material bearing plate are positioned at the same horizontal height, the collecting port is close to the edge of the material bearing plate, the collecting pipe is provided with an air jet pipe opposite to the opening direction of the collecting port by the side of the supporting column, and the air jet pipe is connected with an air compressor arranged at the top of the fixing seat through an air compressor pipeline.

The utility model has the beneficial effects that:

The trimming punch of the trimming part can punch a plurality of covers at one time, so that the processing efficiency of the covers can be increased, the feeding component and the discharging component of the equipment are matched with the trimming part, the equipment can feed and discharge stably, the trimming processing of the covers which are stable continuously is realized, and the trimming punching efficiency can be improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an enlarged view of fig. 1 at a in accordance with the present utility model.

Fig. 3 is an enlarged view of the utility model at B in fig. 1.

Fig. 4 is a cross-sectional view of a material bearing component of the present utility model.

Fig. 5 is a schematic view of the binding punch of the present utility model.

Fig. 6 is a cross-sectional view taken along the direction C-C in fig. 5 in accordance with the present utility model.

Fig. 7 is an enlarged view of fig. 6 at D in accordance with the present utility model.

Reference numerals: the device comprises a fixing seat 1, a support column 11, a binding part 2, an air cylinder 21, a binding punch 22, a material ejection rod 221, a binding machine 222, a guide groove 2221, a limiting block 2222, a cavity 2223, a binding machine base 223, a die shank 224, an arc-shaped base 2241, a connecting handle 2242, a strong spring 225, a material bearing part 3, a material bearing 31, a rotating shaft 32, a stepping motor 33, a groove 311, a negative pressure hole 312, a material bearing disc 313, a material feeding assembly 4, a material feeding guide groove 41, a material discharging opening 411, a baffle plate 42, a pneumatic push plate 43, a negative pressure pipeline 44, an air pump 45, a fixing rod 46, a material discharging assembly 5, a collecting pipe 51, a collecting opening 511, an air injection pipe 52, an air compressor 53 and an air compressor pipeline 54.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings and examples, but the embodiments of the present utility model are not limited to the following examples, and the present utility model relates to the relevant essential parts in the art, and should be regarded as known and understood by those skilled in the art.

As shown in fig. 1-7, the present utility model provides a technical solution: the utility model provides a lid binding processingequipment, includes fixing base 1 and connects binding part 2 and the material part 3 that holds on fixing base 1, fixing base 1 top is close to the border position and is equipped with perpendicular to ground's support column 11, and support column 11 one end links to each other with fixing base 1 top is fixed, and the support column 11 other end is close to the material part 3.

The binding component 2 comprises a binding punch 22 and a cylinder 21 which are arranged on the fixing seat 1, the cylinder 21 is fixedly connected with the fixing seat 1, the binding punch 22 is arranged below the cylinder 21, the cylinder 21 and the binding punch 22 are fixedly connected, the material bearing component 3 is arranged below the binding punch 22, the material bearing component 3 comprises a material bearing 31 and a rotating shaft 32, a stepping motor 33 is arranged at the bottom of the fixing seat 1, one end of the rotating shaft 32 is fixedly connected with the material bearing 31, the other end of the rotating shaft is connected with the stepping motor 33, the material bearing 31 is provided with a material bearing disc 313, grooves 311 which are distributed in an equidistant and rotationally symmetrical manner along the edge of the material bearing disc 313 are arranged on the upper surface of the material bearing disc 313, and negative pressure holes 312 are formed in the bottom of the grooves 311.

The feeding device is characterized in that a feeding component 4 is arranged on one side of the material bearing disc 313, a discharging component 5 is arranged on the other side of the material bearing disc 313, the feeding component 4 comprises a feeding guide groove 41, a baffle plate 42 and a pneumatic push plate 43, the feeding guide groove 41 is arranged on the edge of the material bearing disc 313, a discharging hole 411 with an opening facing the supporting column 11 is formed in the end portion of the discharging end of the feeding guide groove 41, the baffle plate 42 is arranged on the opposite side of the discharging hole 411, the pneumatic push plate 43 is movably connected with the end portion of the discharging end of the feeding guide groove 41, the discharging component 5 comprises a collecting pipe 51 and an air spraying pipe 52, a collecting pipe 51 is arranged on the edge of the material bearing disc 313, an air spraying pipe 52 is arranged on the opposite side of the collecting pipe 51, and a collecting hole 511 is formed in the end portion of the feeding end of the collecting pipe 51.

The trimming part 2 is provided with a plurality of punching heads 2 consisting of a material ejection rod 221, a trimming device 222 and a trimming device base 223, so that the trimming part 2 can process a plurality of covers at one time, the feeding assembly 4 comprises a feeding guide groove 41, a baffle 42 and a pneumatic push plate 43, an air inlet of a negative pressure pipeline (44) is close to the bottom of a negative pressure hole (312), the pneumatic push plate 43 can push the covers out of a discharge hole 411, an interception cover of the baffle 42 falls into a groove 311, the negative pressure hole 312 at the bottom of the groove 311 can suck the bottoms of the covers, the covers vertically fall into the groove 311, the guide groove 41, the baffle 42 and the pneumatic push plate 43 are matched with a material bearing disc 313, continuous feeding of the covers can be realized, the discharging assembly 5 comprises a collecting pipe 51 and an air injection pipe 52, the end part of the feeding end of the collecting pipe 51 is provided with a collecting port 511, the air injection pipe 53 arranged right opposite to the collecting pipe 51 continuously ejects high-pressure air flow, and the covers are blown out of the groove 311 and fall into the collecting pipe 51, and the collecting pipe 51 is completed. The trimming part 2 can simultaneously trim a plurality of cover bodies through one-time stamping, and the feeding component 4, the discharging component 5 and the material bearing part 3 are matched with each other, so that stable feeding and discharging of equipment can be realized, continuous and stable trimming processing is realized on the cover bodies, and the trimming stamping efficiency can be improved.

As shown in fig. 5, as a preferred embodiment of the present utility model, the hemming punch 22 is composed of a liftout bar 221, a hemming device 222, a hemming device base 223 and a die shank 224, and the hemming punch 22 is provided with a plurality of parts groups composed of the liftout bar 221, the hemming device 222 and the hemming device base 223 according to actual use conditions; the cavity 2223 of the binder 222 is internally provided with the powerful spring 225, the powerful spring 225 plays a buffering role in the cover body hemming process, the cover body breakage caused by the too high pressing speed of the binder punch 22 can be avoided, one end of the binder 222 is fixedly connected with the binder base 223, the binder base 223 and the binder 222 are of detachable structures, replacement of the powerful spring 225 in the binder 222 is facilitated, and the binder base 223 and the binder 222 can be connected through threads, so that replacement or maintenance after the binder 222 is used can be facilitated.

As another preferred embodiment of the present utility model, as shown in FIG. 5, the die shank 224 is provided with an arc-shaped base 2241, the upper surface of the arc-shaped base 2241 is provided with a connecting handle 2242 fixedly connected with the arc-shaped base 2241, the upper end of the binder base 223 is fixedly connected with the arc-shaped base 2241, the binder base 223 and the arc-shaped base 2241 of the die shank 224 can be connected by threads, and the threads are convenient for the disassembly and replacement of the binder base 223 compared with the fixed connection modes such as welding, riveting and the like.

As shown in fig. 5 and 6, as another preferred embodiment of the present utility model, the hemming punch 22 is provided with 3 sets of parts consisting of a liftout bar 221, a hemming machine 222 and a hemming machine base 223, so that the apparatus can perform hemming stamping processing on 3 caps at a time, the surface of the material-receiving plate 313 is provided with 12 grooves 311, the grooves 311 are equidistantly and rotationally symmetrically distributed along the edge of the surface of the material-receiving plate 313, the stepper motor 33 is externally connected with a driver, the driver is connected with the controller, and when the apparatus is operated, the controller sends a pulse signal to the driver, the driver receives the signal and drives the stepper motor 33 to rotate 90 ° each time in the same direction, and 3 grooves 311 for completing the feeding of caps are rotated to the position right under the hemming punch each time.

As shown in fig. 6, as another preferred embodiment of the present utility model, the cross section of the guide groove 2221 is semicircular, the guide path length of the semicircular structure is moderate, and the forming rate of the trimming stamping can be ensured; if the guide path of the guide groove 2221 is a minor arc, the edge rolling guide of the cover is insufficient, so that the curl degree of the cover edge is insufficient; if the guiding path of the guiding groove 2221 is a major arc, the trimming protrusion of the edge of the cover body is clamped in the guiding groove 2221 after trimming and stamping.

As shown in fig. 2, as another preferred embodiment of the present utility model, the feeding end of the feeding guide slot 41 may be connected to a vibration plate feeder suitable for feeding the cover, and the cover opening of the cover after being sorted by the vibration plate feeder is upward, and may directly enter the feeding guide slot 41 to perform the feeding operation of the cover edge rolling process; baffle 42 can set up in the 1cm department of holding disk 31 top, if set up baffle 42 height and be less than 1cm, can make the lid behind falling into recess 311, the lid surpasses the height of recess 31 part and is greater than baffle 42 lower surface to holding disk 31 surface, the lid can not pass through the space of baffle 42 below, cause the lid to draw together the condition of separating recess 31 by baffle 42, if set up baffle 42 height and be greater than 1cm, when the lid is pushed out the discharge end of feeding guide groove 41 by pneumatic push pedal 43, baffle 42 can not intercept the lid and fall into recess 31.

As shown in fig. 4, as another preferred embodiment of the present utility model, the depth of the groove 31 may be set to 1/3 of the height of the cover body, so that the cover body can be fixed by the groove 31 after falling into the groove 31, the cover body is prevented from falling down, the diameter of the groove 31 is larger than the diameter of the cover body by 1mm, and the cover body can be smoothly fallen into the groove 31.

As shown in fig. 2, as another preferred embodiment of the present utility model, the bottom of the negative pressure hole 312 is provided with the negative pressure pipeline 44 connected with the air pump 45, the air inlet of the negative pressure pipeline 44 is close to the bottom of the negative pressure hole 312, and the cross section diameter of the air inlet of the negative pressure pipeline 44 exceeds the cross section diameter of the negative pressure hole by 1mm, so that the air inlet of the negative pressure pipeline 44 can cover the negative pressure hole 312 and the negative pressure hole 312 can generate larger negative pressure, the adsorption hole 312 guides the cover body to quickly fall into the groove 31 in a vertical state with an upward opening in a negative pressure suction manner, and the adsorption hole 312 is matched with the negative pressure pipeline 44, the baffle plate 42 and the pneumatic push plate 42, so that the cover body feeding operation can be stably and accurately performed.

According to the working principle of the utility model, 3 groups of parts consisting of a jacking rod 221, a binding machine 222 and a binding machine base 223 are arranged on the binding punch 22 of the stamping part 2, and 12 grooves 311 which are symmetrically distributed in a rotating way are arranged on the edge of the surface of a material bearing disc 313. The cover body is arranged by a vibration disc feeder, the uniform opening of the cover body faces upwards, the vibration disc feeder is directly connected with the feeding guide groove 41, and the cover body slides to the discharging hole 411 along the feeding guide groove 41. The external driver controls the stepper motor 33 to rotate 90 degrees towards the direction of the edge rolling punch 22, the material bearing disc 313 is driven by the stepper motor 33 to rotate 90 degrees, and the pneumatic push plate 43 continuously performs 3 times of cover body feeding while the material bearing disc 313 rotates, and pushes 1 cover body to 1 groove 311 each time. The pneumatic push plate 43 pushes the cover body out of the discharge hole 411, the cover body reaches the upper part of the opening of the groove 311 under the pushing of the pneumatic push plate 43, at the moment, the pneumatic push plate 43 returns to the discharge end of the feeding guide groove 41, the cover body continuously moves towards the pushing direction of the pneumatic push plate 43 under the interception of the baffle plate 42 and falls into the groove 311, and meanwhile, the negative pressure generated by the negative pressure hole 312 at the bottom of the groove 311 can adsorb the bottom of the cover body, so that the cover body vertically falls into the groove 311, and the feeding work of the cover body is completed. After the 3 caps are sequentially put into the grooves 311, the material-receiving plate 313 is driven by the stepping motor 33 to rotate by 90 degrees in the same direction and rotate the 3 caps right below the trimming punch 22, at this time, the axis of the material-pushing rod 211 and the axis of the caps are on the same straight line, the pneumatic push plate 43 continuously feeds the caps for 3 times again while the material-receiving plate 33 rotates, and after the material-receiving plate 33 stops rotating, the trimming punch 22 is pressed down for 1 time to trim the edges of the 3 caps right below the trimming punch. After the edge rolling is completed, the material bearing plate 313 rotates 90 degrees again in the same direction under the drive of the stepping motor 33, the cover body in the groove 311 rotates along with the material bearing plate 313 to reach the collecting port 511 of the collecting pipe 51, the air ejector 53 arranged on the right opposite side of the collecting pipe 51 continuously ejects high-pressure air flow for 3 times, and the cover body is blown out of the groove 311 and falls into the collecting pipe 51 in sequence to complete the collection.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (7)

1. The utility model provides a lid edging processingequipment, includes fixing base (1) and connects edging part (2) and holding material part (3) on fixing base (1), its characterized in that:

A support column (11) perpendicular to the ground is arranged at the top of the fixed seat (1) close to the edge, one end of the support column (11) is fixedly connected with the top of the fixed seat (1), and the other end of the support column (11) is close to the material bearing component (3);

The binding component (2) consists of a binding punch (22) and a cylinder (21) which are arranged on the fixing seat (1), the cylinder (21) is fixedly connected with the fixing seat (1), the binding punch (22) is arranged below the cylinder (21), the cylinder (21) is fixedly connected with the binding punch (22), and the material bearing component (3) is arranged below the binding punch (22);

The material bearing component (3) consists of a material bearing device (31) and a rotating shaft (32), a stepping motor (33) is arranged at the bottom of the fixed seat (1), one end of the rotating shaft (32) is fixedly connected with the material bearing device (31), the other end of the rotating shaft is connected with the stepping motor (33), the material bearing device (31) is provided with a material bearing disc (313), grooves (311) which are equidistant and rotationally symmetrically distributed along the edge of the material bearing disc (313) are arranged on the upper surface of the material bearing disc (313), and negative pressure holes (312) are formed in the bottom of the grooves (311);

The feeding device is characterized in that a feeding assembly (4) is arranged on one side of the material carrying disc (313), a discharging assembly (5) is arranged on the other side of the material carrying disc (313), the feeding assembly (4) comprises a feeding guide groove (41), a baffle plate (42) and a pneumatic pushing plate (43), the feeding guide groove (41) is arranged on the edge of the material carrying disc (313), an opening is formed in the end part of a discharging end of the feeding guide groove (41) towards a discharging hole (411) of the supporting column (11), the baffle plate (42) is arranged on the opposite side of the discharging hole (411), the pneumatic pushing plate (43) is movably connected with the end part of the discharging end of the feeding guide groove (41), the discharging assembly (5) comprises a collecting pipe (51) and a jet pipe (52), a collecting pipe (51) is arranged at the edge position of the collecting pipe (51), the jet pipe (52) is arranged on the opposite side of the collecting pipe, and a collecting hole (511) is formed in the end part of the feeding end of the collecting pipe.

2. The cover hemming working apparatus of claim 1 wherein: the utility model provides a binding punch (22) comprises liftout pole (221), binding ware (222), binding ware base (223) and die shank (224), inside cavity (2223) that is equipped with of binding ware (222), inside powerful spring (225) that is equipped with of cavity (2223), binding ware (222) one end links to each other with binding ware base (223) is fixed, binding ware (222) other end tip internal surface is equipped with annular stopper (2222), liftout pole (221) one end is arranged in cavity (2223) inside and with the one end movable contact of powerful spring (225), liftout pole (221) other end is arranged in binding ware (222) outside, the one end and the binding ware base (223) lower extreme fixedly link to each other of binding ware base (223), the upper end and the die shank (224) of binding ware base (223) link to each other.

3. The cover hemming working apparatus of claim 2 wherein: the die shank (224) is provided with an arc-shaped base (2241), the upper surface of the arc-shaped base (2241) is provided with a connecting shank (2242) fixedly connected with the arc-shaped base, and the upper end of the binder base (223) is fixedly connected with the arc-shaped base (2241).

4. The cover hemming working apparatus of claim 2 wherein: the edge rolling device (222) is integrally cylindrical and is formed by axially and fixedly connecting two cylinders with different diameters and lengths, the outer surface of the connecting position of the two cylinders of the edge rolling device (222) is provided with a guide groove (2221), and the section of the guide groove (2221) is semicircular.

5. The cover hemming working apparatus of claim 1 wherein: the feeding device is characterized in that a feeding guide groove (41) is formed in the edge position of the material carrying disc (313), the discharging end of the feeding guide groove (41) and the material carrying disc (313) are located at the same horizontal height, a pneumatic pushing plate (43) is arranged at the discharging end of the feeding guide groove (41), one end of the pneumatic pushing plate (43) is arranged inside the discharging end of the feeding guide groove (41), a discharging hole (411) is formed in the feeding guide groove (41), a baffle (42) is arranged on the opposite side of the opening of the discharging hole (411), the transverse section of the baffle (42) is arc-shaped, the height from the bottom surface of the baffle (42) to the horizontal ground is greater than the height from the upper surface of the material carrying disc (313) to the horizontal ground, a fixing rod (46) is arranged on one side of the baffle (42) close to a supporting column (11), and the baffle (42) is fixedly connected with the supporting column (11) through the fixing rod (46).

6. A cover hemming working apparatus according to claim 1 or claim 5 wherein: the feeding guide groove (41) discharge end below is equipped with aspiration pump (45), negative pressure hole (312) are equipped with negative pressure pipeline (44) that link to each other with aspiration pump (45) in the position of leaning on the bottom, the air inlet of negative pressure pipeline (44) is close to negative pressure hole (312) bottom.

7. The cover hemming working apparatus of claim 1 wherein: the collecting pipe (51) is provided with a collecting port (511), the lower surface of the collecting port (511) and the material bearing plate (313) are located at the same horizontal height, the collecting port (511) is close to the edge of the material bearing plate (313), the collecting pipe (51) is provided with an air jet pipe (52) opposite to the opening direction of the collecting port (511) by the side of a supporting column (11), and the air jet pipe (52) is connected with an air compressor (53) arranged at the top of the fixing seat (1) through an air compressor pipeline (54).