CN218024497U - Large card feeding and cutting mechanism for assembling card shell - Google Patents

Abstract

The utility model provides a big card feed cutting mechanism for equipment of card shell belongs to plastics cutting technical field. The large card cutting machine solves the problem that when an existing large plastic card is cut off, the large cards on two sides of a cutting point are prone to tilting. This a big card feed cutting mechanism for card shell equipment, comprises an operation platform, the conveyer trough has been seted up at the middle part of operation platform, still the parallel is provided with the clamp plate directly over the operation platform, the upper surface of operation platform still is connected with the contact piece, form one between contact piece and the conveyer trough and close assorted cavity with big slide caliper, the lower surface of clamp plate still is connected with the mount pad, the contact piece is located the left side of mount pad, still install the die-cutting sword in the mount pad, the clamp plate, the mount pad, the die-cutting sword can displacement downwards and cut off the big card of conveyer trough through drive assembly, still inlay in the right side conveyer trough of operation platform and be equipped with the stopper, the stopper is located the right side of mount pad. The effectual big card that makes die-cut both sides because of under die-cut effort of avoiding sticks up, increases die-cut stability.

Description

Large card feeding and cutting mechanism for assembling card shell

Technical Field

The utility model belongs to the technical field of the plastics cutting, a big card feed cutting mechanism for blocking shell equipment is related to.

Background

The detection reagent strip is a novel in vitro diagnosis technology developed on the basis of colloidal gold immunochromatographic materials in the 90 s of the 20 th century, is developed rapidly in recent years, and is widely applied to the field of biomedicine, particularly medical examination. The technology is mainly characterized in that specific antigen or antibody is fixed on an NC membrane (nitrocellulose membrane) in a strip shape, a colloidal gold labeled reagent is adsorbed on a colloidal gold pad, when a sample to be detected is added on the sample pad at one end of a test strip, the sample moves forwards through capillary action, the colloidal gold labeled reagent on the colloidal gold pad is dissolved and then reacts with each other, and when the sample moves to a fixed antigen or antibody area, a gold labeled reagent compound of an object to be detected is specifically combined with the sample pad and is intercepted, the colloidal gold label is gathered on a detection strip, and an intuitive color development result can be obtained through visual inspection. The free marker exceeds the detection band, and the purpose of automatic separation from the detection object is achieved.

The detection reagent strip is generally formed by buckling a plastic upper cover on a plastic lower cover so as to form a plastic strip-shaped detection reagent strip. The plastics upper cover is made through mould production such as injection molding machine, what often produce is that to be long banding big card, then need cut off big card, and then cut off the plastics upper cover on the detection reagent strip, because big card is rectangular, and the big card of plastics has certain toughness, because big card directly places on the workstation when cutting, and directly cut off it, make the both sides of cutting department cause sunken deformation easily, the cutter is when cutting downwards, make the big card perk of parallel placement on the operation platform easily, influence the stability of cutting, lead to the upper cover rejection rate that the cutting came high.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a compact structure and high big card feed cutting mechanism who is used for the equipment of card shell of stability, big card is carried to die-cut sword under the back, and one side of big card is fixed by the stopper, and the opposite side is fixed by the contact piece, and die-cut knife carries out die-cut between stopper and contact piece, can all fix the both sides of big card when die-cut, improves die-cut stability.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a big card feed cutting mechanism for calorie of shell equipment, a serial communication port, including the operation panel, the conveyer trough has been seted up at the middle part of operation panel, still the parallel is provided with the clamp plate directly over the operation panel, the upper surface of operation panel still is connected with the contact piece, form between contact piece and the conveyer trough one with big slide caliper rule cun assorted cavity, the lower surface of clamp plate still is connected with the mount pad, the contact piece is located the left side of mount pad, still install die-cutting sword in the mount pad, clamp plate, mount pad, die-cutting sword can displacement downwards and cut off the big card in the conveyer trough through drive assembly, still inlay in the right side conveyer trough of operation panel and be equipped with the stopper, the stopper is located the right side of mount pad.

The big card that is rectangular form is placed in the conveyer trough, the width size of long banding big card and the size phase-match of conveyer trough, because it is higher than the conveyer trough to treat die-cut big card, the lower part of big card is located the conveyer trough, the upper portion of big card all exposes the conveyer trough upper surface, put into big card along the conveyer trough, and through the cavity between conveyer trough and the contact piece, the size of big card and the size phase-match of cavity, the big card that is located die-cutting knife is spacing fixed by the contact piece, the big card that is located die-cutting knife's right side is spacing fixed by the stopper, the stopper can carry out spacing fixed to big card tip, drive assembly drives the clamp and the mount pad displacement downwards at the clamp plate lower surface, the die-cutting knife that is located on the mount pad can die-cut the big card between contact piece and the stopper, just can cover down required big card, increase die-cut stability, effectually avoid making the big card of die-cut both sides stick up because of die-cut effort down because of die-cut, the conveyer trough simultaneously, contact piece all matches with the size of big card, can be better fixed, the improvement of big card, further.

In foretell a big card feed cutting mechanism for card shell equipment, the left side of stopper still has the spacing edge of outside stretching out, the middle part on spacing edge still blocks and is equipped with spacing notch, the width dimension of spacing notch and the width dimension phase-match of conveyer trough, the lower surface on spacing edge supports and leans on the upper surface at the operation platform, cavity between spacing notch and the conveyer trough and the size phase-match of big card.

The size and the big slide caliper size phase-match of spacing notch, the conveyer trough is passed through to the big card, can be with the spacing fixing of tip at the left spacing notch of stopper of big card, cavity between spacing notch and the conveyer trough and the size phase-match of big card, the lower part of big card is located the conveyer trough, the part that the conveyer trough was exposed to the big card is lived by spacing notch inlay card, make like this that the big card can be more stable by the spacing fixing of stopper and conveyer trough, improve contact stability.

In the big card feeding and cutting mechanism for assembling the card shell, the middle part of the contact block is further provided with a groove, the size of the groove is matched with the width of the big card exposed out of the conveying groove, and the contact block and the mounting seat are fixed on the operation table and the pressing plate through bolts respectively.

Bolt holes are all formed in four corners of the contact block, bolt holes corresponding to the four bolt holes in the contact block are formed in the upper portion of the operation platform, the bolt holes in the contact block are aligned with the bolt holes in the lower portion of the operation platform, screwing bolts are arranged in the two aligned bolt holes in a penetrating mode, the contact block is fixedly connected to the upper surface of the operation platform, the width of the groove is matched with the width of the large clamp, the height of the groove is matched with the height of the large clamp of the exposed conveying groove, and therefore the size of a cavity between the groove and the conveying groove is matched with the size of the large clamp, and the large clamp can be limited in the contact block and the conveying groove.

In foretell a big card feed cutting mechanism for calorie shell equipment, drive assembly includes mounting bracket, hydraulic drive ware, pneumatic drive ware, guide post, mounting bracket fixed connection is on the operation panel, and the upper portion of mounting bracket is located the upper portion of clamp plate, hydraulic drive ware's output links firmly on the clamp plate, the output of pneumatic drive ware passes clamp plate and mount pad to be connected with die-cut sword, the guide post links firmly on the surface of operation panel, and the clamp plate is run through on the upper portion of guide post, still the cover is equipped with the elasticity piece that resets on the guide post, and the both ends that the elasticity resets support respectively at the lower surface of clamp plate and the upper surface of operation panel.

The guide post is provided with four, and four direction difference bisymmetry settings are in the both sides of conveyer trough, the lower extreme fixed connection of guide post is on the surface of operation platform, the clamp plate is passed on the upper portion of guide post, all the cover is equipped with the elasticity piece that resets on four guide posts, the both ends that the elasticity resets support the lower surface that leans on operation platform upper surface and clamp plate respectively, hydraulic drive's output links firmly on the clamp plate, pneumatic drive's output links together with die-cut sword, through hydraulic drive clamp plate downstream, make die-cut sword all with the synchronous downward displacement of clamp plate with the mount pad, reach the stroke after, pneumatic drive die-cut sword carries out cutting off to big card downwards, cut off the completion after, under the elastic action of the piece that resets with hydraulic drive's effect, can make the clamp plate upwards reset, and accomplish the die-cut to big card in proper order.

In foretell a big card feed cutting mechanism for card shell equipment, the right side of stopper still is provided with adjustment mechanism, adjustment mechanism includes supporting shoe, adjusting screw, guide bar, fixation nut, the supporting shoe passes through bolted connection on the operation panel, and the lower part of supporting shoe inlays in the conveyer trough, adjusting screw and guide bar all run through the supporting shoe, and adjusting screw and the one end of guide bar all connect the right side surface at the stopper, and the supporting shoe is all stretched out to one end in addition, stretches out the conveyer trough adjusting screw tip still installs and twists the twist handle, the fixation nut cover is established at adjusting screw tip to fixation nut supports the surface that leans on the supporting shoe, the guide bar is parallel arrangement with adjusting screw.

Set up the through-hole that supplies adjusting screw to pass on the supporting shoe, still set up in the through-hole with adjusting screw assorted internal thread, external screw thread on the adjusting screw meshes with the inside internal thread of supporting shoe mutually, the round hole that supplies the guide bar to run through is still seted up in the both sides of through-hole simultaneously, two guide bars symmetry respectively set up in the adjusting screw both sides, and the guide bar is worn to establish on the round hole, simultaneously can twist adjusting screw through twisting the handle soon, and then adjust the position of stopper in the conveyer trough, can adjust the interval between cut off point and the stopper, and then can adjust the length of being cut off the big card, after adjusting the completion, can fix adjusting screw through fixation nut, be convenient for like this adjust, improve the suitability, the guide bar can improve the mobility stability of stopper at the conveyer trough.

In foretell a big card feed cutting mechanism for card shell equipment, the left side of operation panel still is provided with conveying mechanism, conveying mechanism includes cylinder, support, motor, contact roller, the support symmetry sets up at the conveyer trough, the cylinder is installed between two supports, contact roller cover is established on the cylinder, and contacts the roller just to below conveyer trough, contact roller's lower surface contacts with the big card surface in the conveyer trough, the lateral part at the support is installed to the motor, and the output of motor is connected with the cylinder.

The large card is higher than the surface of the conveying groove, so that the upper portion of the large card extends out of the surface of the conveying groove, the lowest point of the contact roller is in contact with the surface of the large card, the motor can drive the roller and the contact roller which is sleeved on the roller, then the contact roller and the surface of the large card are rubbed under the continuous rotation of the contact roller, the large card in the conveying groove can be slowly conveyed from left to right, the contact roller is in surface contact with the upper surface of the large card, and the contact stability is improved.

In foretell a big card feed cutting mechanism for calorie of shell equipment, the displacement groove has still been seted up in the mount pad, the die-cutting sword is installed at the displacement inslot, and the cross-section of die-cutting sword is T word form, the displacement inslot still installs the spring, the upper end of spring supports and leans on the upper portion at the die-cutting sword, and the lower extreme of spring supports and leans on the bottom at the displacement groove, the opening that supplies the die-cutting sword to stretch out is seted up to the bottom in displacement groove, the open-ended size and the size phase-match of die-cutting sword.

The die-cut sword is installed at the displacement inslot, and the die-cut sword is T word form, and the top at the die-cut sword is connected to pneumatic driver's output, and the spring is still installed to the displacement inslot, and the upper end of spring supports and leans on the upper portion at the die-cut sword, and the lower extreme of spring supports and leans on the bottom at the displacement groove, and the size phase-match of die-cut sword's size and opening part can make the downward extension that the die-cut sword can be more stable, and the die-cut sword both ends of T word form are supported respectively and are leaned on at the displacement inslot wall.

In the big card feed cutting mechanism for assembling the card shell, a feed opening is further formed in the conveying groove right below the punching cutter, and the feed opening is obliquely arranged.

The feed opening can provide the effect of stepping down for die-cut sword, and the effectual die-cut sword that avoids moves down die-cut back die-cut knife bottom and contacts with the operation panel, and the lower part of big card supports and leans on in the bottom of conveyer trough, and the big card tip of treating die-cut is fixed by spacing notch, and the big card of opposite side is fixed by the contact piece, by die-cut back, because the feed opening is the slope form, and die-cut department is located feed opening department, and the big card that die-cuts down can be discharged through the feed opening of slope.

Compared with the prior art, the large card feeding and cutting mechanism for assembling the card shell is used for placing the large card in a long strip shape in the conveying groove, because the width size of the large card is matched with the width size of the conveying groove, the lower part of the large card is positioned in the output groove, the upper part of the large card extends out of the conveying groove, the contact roller of the conveying mechanism can be contacted with the surface of the large card extending out of the conveying groove, the large card can be conveyed from left to right along the conveying groove, the middle part of the large card penetrates through the cavity formed by the contact block and the conveying groove, the end part of the large card is propped against the position of the limit block on the left side of the conveying groove, after the right end part of the large card is fastened by the cavity formed between the limit notch of the limit block and the conveying groove, the left side of the large card is positioned in the cavity formed by the contact block and the conveying groove, the upper surface of the large card is propped against the contact block and the limit notch, the large card positioned on the left side of the punching cutter is limited and fixed by the contact block, the big card positioned on the right side of the punching cutter is limited and fixed by the limiting notch, the driving component drives the pressing plate and the mounting seat connected to the lower surface of the pressing plate to move downwards, the punching cutter can punch the big card between the contact block and the limiting block, so that the required big card upper cover can be punched, the punching stability is improved, the big cards on the two sides of the punching position are limited and fixed, the big cards on the two sides of the punching position are effectively prevented from being warped under the action force of punching, meanwhile, the conveying groove, the contact block and the limiting block are matched with the size of the big card, the fixing of the big card can be better realized, the stability is further improved, the size of the limiting notch is matched with the size of the big caliper, the big card passes through the conveying groove, the end part of the big card can be limited and fixed in the limiting notch on the left side of the limiting block, the cavity between the limiting notch and the conveying groove is matched with the size of the big card, the lower part of big card is located the conveyer trough, and the part that big card exposes the conveyer trough is lived by spacing notch inlay card, makes big card can be more stable like this by spacing the fixing of stopper and conveyer trough, increases simultaneously that the contact is stable, improves the security.

Drawings

FIG. 1 is a schematic structural view of the present large card feed cutting mechanism for card housing assembly.

Fig. 2 is a schematic structural diagram of a position limiting block and a contact block in the large card feeding and cutting mechanism for assembling the card shell.

Fig. 3 is a schematic structural diagram of a conveying mechanism in the large card feeding and cutting mechanism for assembling the card shell.

Fig. 4 is a schematic structural diagram of a mounting seat and a punching blade in the large card feeding and cutting mechanism for assembling the card shell.

Fig. 5 is a schematic structural diagram of an adjusting mechanism in the large card feeding and cutting mechanism for assembling the card shell.

In the figure, 1, a workbench; 2. a conveying trough; 3. a contact block; 4. pressing a plate; 5. a mounting seat; 6. punching and cutting the knife; 7. a limiting block; 8. a limiting edge; 9. a limiting notch; 10. a groove; 11. a hydraulic drive; 12. a pneumatic driver; 13. a guide post; 14. an elastic reset member; 15. a mounting frame; 16. a support block; 17. adjusting the screw rod; 18. a guide bar; 19. fixing a nut; 20. screwing the handle; 21. a drum; 22. a support; 23. a contact roller; 24. a motor; 25. a displacement slot; 26. a spring; 27. and (4) a feed opening.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, this a big card feed cutting mechanism for card shell equipment, including operation panel 1, conveyer trough 2 has been seted up at the middle part of operation panel 1, still parallel arrangement has clamp plate 4 directly over operation panel 1, the upper surface of operation panel 1 still is connected with contact block 3, form one between contact block 3 and the conveyer trough 2 with big slide caliper cun assorted cavity, the lower surface of clamp plate 4 still is connected with mount pad 5, contact block 3 is located the left side of mount pad 5, still install die-cutting sword 6 in the mount pad 5, clamp plate 4, mount pad 5, die-cutting sword 6 can displacement down and cut off the big card in conveyer trough 2 through drive assembly, still inlay in the right side conveyer trough 2 of operation panel 1 and be equipped with stopper 7, stopper 7 is located the right side of mount pad 5.

The left side of stopper 7 still has the spacing edge 8 that outwards stretches out, spacing middle part along 8 still blocks and is equipped with spacing notch 9, the width size of spacing notch 9 and the width size phase-match of conveyer trough 2, the lower surface of spacing edge 8 supports and leans on the upper surface at operation platform 1, the size phase-match of cavity and big card between spacing notch 9 and the conveyer trough 2.

The middle part of the contact block 3 is also provided with a groove 10, the size of the groove 10 is matched with the width of a large clamp exposed out of the conveying groove 2, and the contact block 3 and the mounting seat 5 are respectively fixed on the operation platform 1 and the pressing plate 4 through bolts.

Drive assembly includes mounting bracket 15, hydraulic drive 11, pneumatic drive 12, guide post 13, 15 fixed connection of mounting bracket is on operation platform 1, and the upper portion of mounting bracket 15 is located the upper portion of clamp plate 4, the output of hydraulic drive 11 links firmly on clamp plate 4, the output of pneumatic drive 12 passes clamp plate 4 and mount pad 5 to be connected with die-cut sword 6, guide post 13 links firmly on the surface of operation platform 1, and clamp plate 4 is run through on the upper portion of guide post 13, it resets 14 still to overlap on the guide post 13 to be equipped with elasticity, and elasticity resets 14 both ends and support respectively at the lower surface of clamp plate 4 and the upper surface of operation platform 1.

The right side of stopper 7 still is provided with adjustment mechanism, adjustment mechanism includes supporting shoe 16, adjusting screw 17, guide bar 18, fixation nut 19, supporting shoe 16 passes through bolted connection on operation panel 1, and the lower part of supporting shoe 16 inlays in conveyer trough 2, adjusting screw 17 all runs through supporting shoe 16 with guide bar 18, and adjusting screw 17 all connects the right side surface at stopper 7 with the one end of guide bar 18, and supporting shoe 16 is all stretched out to one end in addition, stretches out conveyer trough 2 adjusting screw 17 tip still installs and twists wrong handle 20, fixation nut 19 cover is established at adjusting screw 17 tip to fixation nut 19 supports and leans on the surface at supporting shoe 16, guide bar 18 and adjusting screw 17 are parallel arrangement.

The left side of operation panel 1 still is provided with conveying mechanism, conveying mechanism includes cylinder 21, support 22, motor 24, contact roller 23, support 22 symmetry sets up at conveyer trough 2, cylinder 21 is installed between two supports 22, contact roller 23 cover is established on cylinder 21, and contact roller 23 is just to below conveyer trough 2, the lower surface of contact roller 23 contacts with the big card surface in the conveyer trough 2, motor 24 installs the lateral part at support 22, and motor 24's output is connected with cylinder 21.

Still set up displacement groove 25 in the mount pad 5, die-cut sword 6 is installed in displacement groove 25, and the cross-section of die-cut sword 6 is the T word form, still install spring 26 in the displacement groove 25, the upper end of spring 26 supports and leans on the upper portion at die-cut sword 6, and the lower extreme of spring 26 supports and leans on the bottom at displacement groove 25, the opening that supplies die-cut sword 6 to stretch out is seted up to the bottom at displacement groove 25, the open-ended size and the size phase-match of die-cut sword 6.

Feed opening 27 has still been seted up to conveyer trough 2 department under die-cutting sword 6, feed opening 27 is the slope setting.

The strip-shaped big card is placed in the conveying groove 2, the width of the strip-shaped big card is matched with the size of the conveying groove 2, the lower part of the big card to be punched is embedded in the conveying groove 2, meanwhile, the upper part of the big card is exposed out of the upper surface of the conveying groove 2, the lower surface of the contact roller 23 is contacted with the surface of the big card, the motor 24 can drive the roller 21 and the contact roller 23 sleeved on the roller 21, the contact roller 23 is rubbed with the surface of the big card under the continuous rotation of the contact roller 23, the big card in the conveying groove 2 can be slowly conveyed from left to right, finally the big card in the conveying groove 2 passes through a cavity formed between the conveying groove 2 and the contact block 3, the end part of the big card abuts against the limiting block 7 on the right side of the conveying groove 2, the adjusting screw 17 can be screwed through the screwing handle 20, the position of the limiting block 7 in the conveying groove 2 is adjusted, the distance between the cutting point and the limiting block 7 is adjusted, the distance between the cutting point and the limiting block 7 is the length of an upper cover of a large card to be punched, after the adjustment is completed, the adjusting screw 17 can be fixed through the fixing nut 19, after the adjustment is completed, and when the large card is conveyed to the limiting block 7 along the conveying groove 2, the end part of the large card is limited in a cavity between the limiting notch 9 and the conveying groove 2, the large card on the right side of the punching cutter 6 is limited and fixed by the limiting block 7, the limiting block 7 can limit and fix the end part of the large card, the press plate 4 is driven by the hydraulic driver 11 to move downwards along the four guide posts 13, so that the punching cutter 6 and the mounting seat 5 are both synchronously displaced downwards along the guide posts 13 with the press plate 4, after the stroke is reached, the pneumatic driver 12 drives the punching cutter 6 to downwards cut the large card, after the completion of cutting off, under the elastic force effect of elasticity piece 14 that resets and under the effect of hydraulic drive 11, can make clamp plate 4 upwards reset, and then accomplish die-cut to big card in proper order, be provided with feed opening 27 under die-cut sword 6, can be providing a effect of stepping down for die-cut sword 6, effectual die-cut 6 bottom of sword of avoiding die-cut 6 to move down and contact with operation platform 1, because feed opening 27 is the slope form, and die-cut department is located feed opening 27, die-cut big card that gets off, can be discharged through the feed opening 27 of slope, increase die-cut stability, the big card of die-cut department both sides is all by spacing fixed, effectual avoid making the big card of die-cut both sides stick up because of under die-cut effort, conveyer trough 2 simultaneously, contact block 3 and stopper 7 all with the size phase-match of big card, can be better play the fixing to big card, further improvement stability, the size and the big cun phase-to-match of spacing notch 9, big card passes through conveyer trough 2, can fix the tip of big card in 7 in the left side in 7, the stable slide caliper rule and the size of the big card is increased by the stable notch of stopper 2, the stable stability of stopper 2, the contact of stopper 2, the big card is located the big card in the stable notch of stopper 2, the stable stability of stopper 2, the contact.

Claims (8)

1. The utility model provides a big card feed cutting mechanism for calorie shell equipment, a serial communication port, including the operation panel, the conveyer trough has been seted up at the middle part of operation panel, still the parallel is provided with the clamp plate directly over the operation panel, the upper surface of operation panel still is connected with the contact piece, form one between contact piece and the conveyer trough and close assorted cavity with big slide caliper rule, the lower surface of clamp plate still is connected with the mount pad, the contact piece is located the left side of mount pad, still install the die-cutting sword in the mount pad, clamp plate, mount pad, die-cutting sword can displacement downwards and cut off the big card of conveyer trough in through drive assembly, still inlay in the right side conveyer trough of operation panel and be equipped with the stopper, the stopper is located the right side of mount pad.

2. The big card feeding and cutting mechanism for assembling the card shell as claimed in claim 1, wherein the left side of the limiting block is further provided with a limiting edge extending outwards, the middle part of the limiting edge is further provided with a limiting notch, the width dimension of the limiting notch is matched with the width dimension of the conveying groove, the lower surface of the limiting edge is abutted against the upper surface of the workbench, and the cavity between the limiting notch and the conveying groove is matched with the size of the big card.

3. The big card feeding and cutting mechanism for assembling the card shell as claimed in claim 1, wherein the middle of the contact block is further provided with a groove, the size of the groove is matched with the width of the big card exposed out of the conveying groove, and the contact block and the mounting seat are respectively fixed on the operation platform and the pressing plate through bolts.

4. The big card feed cutting mechanism for assembling the card shell according to claim 1, wherein the driving assembly comprises a mounting rack, a hydraulic driver, a pneumatic driver and a guide post, the mounting rack is fixedly connected to the workbench, the upper part of the mounting rack is located on the upper part of the pressing plate, the output end of the hydraulic driver is fixedly connected to the pressing plate, the output end of the pneumatic driver penetrates through the pressing plate and the mounting seat and is connected with the punching knife, the guide post is fixedly connected to the surface of the workbench, the pressing plate is penetrated through the upper part of the guide post, an elastic reset piece is further sleeved on the guide post, and two ends of the elastic reset piece respectively abut against the lower surface of the pressing plate and the upper surface of the workbench.

5. The big card feeding and cutting mechanism for assembling of the card shell as claimed in claim 2, wherein the right side of the limiting block is further provided with an adjusting mechanism, the adjusting mechanism comprises a supporting block, an adjusting screw, a guiding rod and a fixing nut, the supporting block is connected to the operation platform through a bolt, the lower portion of the supporting block is embedded in the conveying trough, the adjusting screw and the guiding rod both penetrate through the supporting block, one end of the adjusting screw and one end of the guiding rod are both connected to the right side surface of the limiting block, the other end of the adjusting screw and the other end of the guiding rod both extend out of the supporting block, the end portion of the adjusting screw extending out of the conveying trough is further provided with a screwing handle, the fixing nut is sleeved on the end portion of the adjusting screw, the fixing nut abuts against the surface of the supporting block, and the guiding rod and the adjusting screw are arranged in parallel.

6. The big card feeding and cutting mechanism for assembling the card shell as claimed in claim 1, wherein a conveying mechanism is further provided on the left side of the working platform, the conveying mechanism comprises a roller, supports, a motor and a contact roller, the supports are symmetrically arranged on the conveying trough, the roller is installed between the two supports, the contact roller is sleeved on the roller, the contact roller is just opposite to the conveying trough below, the lower surface of the contact roller is in contact with the surface of the big card in the conveying trough, the motor is installed on the side portion of the supports, and the output end of the motor is connected with the roller.

7. The big card feeding and cutting mechanism for assembling the card shell as claimed in claim 1, wherein the mounting seat is further provided with a displacement slot, the punching knife is installed in the displacement slot, the cross section of the punching knife is T-shaped, the displacement slot is further provided with a spring, the upper end of the spring abuts against the upper part of the punching knife, the lower end of the spring abuts against the bottom of the displacement slot, the bottom of the displacement slot is provided with an opening for the punching knife to extend out, and the size of the opening is matched with that of the punching knife.

8. The big card feeding and cutting mechanism for assembling the card shell as claimed in claim 7, wherein a feed opening is further opened at the conveying groove right below the punching knife, and the feed opening is inclined.

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