Cover plate feeding device

Abstract

The utility model provides a cover plate feeding device which comprises a machine base, and the machine base comprises a first end and a second end which are far away from each other; the first stock bin is arranged at the first end of the machine base, and the first stock bin is used for placing a cover plate; the second stock bin is arranged at the second end of the machine base, and the second stock bin is used for placing a cover plate; and the conveying mechanism is arranged between the first stock bin and the second stock bin and used for conveying the supporting plate between the first stock bin and the second stock bin. According to the cover plate feeding device, through combination of the first stock bin, the conveying mechanism and the second stock bin, automatic conveying operation of the cover plate is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automation equipment, in particular to a device for conveying and feeding cover plates used in a coating process. BACKGROUND

[0002] In the process of coating small workpieces, small coating workpieces need to be assembled on jigs for coating treatment. In some jigs, the jigs are composed of a bottom plate and a cover plate. Since each workpiece uses a separate jig, the number of cover plates required is large. Currently, a plurality of cover plates are arranged on a tray, and the tray is manually carried and transferred, and the cover plates on the tray are taken, which results in low efficiency and yield.

[0003] Therefore, it is an urgent problem for those skilled in the art to study a device for conveniently and efficiently conveying cover plates. CONTENT OF THE INVENTION

[0004] In order to overcome the defects of the prior art, the present application provides a cover plate feeding device which can conveniently accommodate and transport a tray on which cover plates are arranged.

[0005] Specifically, the present application provides a cover plate feeding device for storing and conveying a tray on which cover plates are arranged. The cover plate feeding device comprises: a machine base comprising a first end and a second end which are far apart; a first warehouse provided at the first end of the machine base, the first warehouse being used for placing the tray; a second warehouse provided at the second end of the machine base, the second warehouse being used for placing the tray; and a conveying mechanism provided between the first warehouse and the second warehouse, the conveying mechanism being used for conveying the tray between the first warehouse and the second warehouse.

[0006] The first warehouse is provided with a first plate lifting mechanism, a first clamping plate mechanism and a plate carrying mechanism. The first plate lifting mechanism is provided at the bottom of the first warehouse and is used for lifting the tray placed in the first warehouse in the vertical direction. The first clamping plate mechanism is provided at the side of the first warehouse and is used for clamping the part of the tray lifted by the first plate lifting mechanism. The plate carrying mechanism is provided at the bottom of the first warehouse and is adapted to the conveying mechanism and is used for interfacing the conveying mechanism.

[0007] The second warehouse is provided with a second plate lifting mechanism and a second clamping plate mechanism. The second plate lifting mechanism is provided at the bottom of the second warehouse and is used for lifting the tray placed in the second warehouse in the vertical direction. The second clamping plate mechanism is provided at the side of the second warehouse and is used for clamping the tray lifted by the second plate lifting mechanism.

[0008] In an alternative implementation, the conveying mechanism comprises a conveying motor, a transmission wheel, a conveying driving roller, a conveying belt and a conveying driven wheel. The conveying motor is fixedly arranged on the base. The transmission wheel is in transmission connection with the conveying motor. The transmission wheel is in transmission connection with the conveying driving roller. The conveying belt is connected between the conveying driving roller and the conveying driven wheel.

[0009] In an alternative implementation, the first lifting plate mechanism comprises a first lifting cylinder and a first lifting plate. The first lifting cylinder is fixedly arranged on the upper surface of the first end of the base. The first lifting plate is arranged on the upper end of the telescopic rod of the first lifting cylinder.

[0010] In an alternative implementation, the carrier plate mechanism comprises a carrier plate cylinder, a carrier bottom plate, a carrier driving plate, a carrier plate motor, a carrier plate driven wheel and a carrier plate belt. The carrier plate motor is fixedly arranged on the upper surface of the base away from the first hopper. The carrier plate driven wheel is arranged on the first end of the base. The carrier plate belt is connected between the transmission end of the carrier plate motor and the carrier plate driven wheel. The carrier bottom plate is fixedly connected with the carrier plate belt to move synchronously with the carrier plate belt. The carrier plate cylinder is fixedly arranged on the carrier bottom plate. The carrier driving plate is above the carrier bottom plate and is fixedly connected with the telescopic end of the carrier plate cylinder.

[0011] In an alternative implementation, the first clamping plate mechanism comprises a first vertical plate, a first telescopic cylinder, a first connecting plate, a first guide rail and a first insertion plate. The first vertical plate is vertically fixed on the base. The first telescopic cylinder is fixedly arranged on the first vertical plate. The telescopic end of the first telescopic cylinder is fixedly connected with the first connecting plate. The first insertion plate is fixedly arranged on the first connecting plate in transverse direction. The first guide rail is fixed on the first vertical plate and is in sliding fit with the first connecting plate.

[0012] In an alternative implementation, the second lifting plate mechanism comprises a second lifting cylinder and a second lifting plate. The second lifting cylinder is fixedly arranged on the upper surface of the second end of the base. The second lifting plate is arranged on the upper end of the telescopic rod of the second lifting cylinder.

[0013] In an alternative implementation, the second clamping plate mechanism comprises a second vertical plate, a second telescopic cylinder, a second connecting plate, a second guide rail and a second insertion plate. The second vertical plate is vertically fixed on the base. The second telescopic cylinder is fixedly arranged on the second vertical plate. The telescopic end of the second telescopic cylinder is fixedly connected with the second connecting plate. The second insertion plate is fixedly arranged on the second connecting plate in transverse direction. The second guide rail is fixed on the second vertical plate and is in sliding fit with the second connecting plate.

[0014] According to the cover plate feeding device provided by the foregoing implementation, at least the following beneficial effects are achieved relative to the prior art:

[0015] (1) Through the cooperation of the first hopper, the conveying mechanism and the second hopper, the automatic conveying operation of the carrier plate is realized. The components are compact in structure and the work flow is coherent, so that the conveying operation of the carrier plate can be stably and efficiently completed, and the production efficiency is significantly improved.

[0016] (2) The lifting plate mechanism and the clamping plate mechanism are precisely controlled by air cylinders, guide rails and other accessories, so as to realize the precise lifting and stable clamping of the supporting plate, realize the mutual cooperation between the stacking of multiple supporting plates and the moving and taking of a single supporting plate, and ensure the accuracy and stability in the conveying process.

[0017] (3) The full-automatic operation of the supporting plate is realized, the frequency of manual intervention is reduced, the labor intensity is greatly reduced, and the errors caused by manual operation are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 A schematic diagram of the cover plate feeding device provided by an embodiment of the present application.

[0020] Figure 2 A partial structure schematic diagram of one side of the cover plate feeding device provided by an embodiment of the present application, showing the structure schematic of the first lifting plate mechanism, the first clamping plate mechanism and the supporting plate mechanism.

[0021] Figure 3 Another angle partial structure schematic diagram of the cover plate feeding device provided by an embodiment of the present application, showing the structure schematic of the first lifting plate mechanism, the first clamping plate mechanism and the supporting plate mechanism.

[0022] Figure 4 Another angle schematic diagram of the cover plate feeding device provided by an embodiment of the present application.

[0023] Figure 5 A Figure 4 enlarged view of part A, showing a schematic diagram of the first clamping plate mechanism.

[0024] Figure 6 A structure schematic diagram of the other side of the cover plate feeding device provided by an embodiment of the present application.

[0025] Figure 7 A Figure 6 enlarged view of part B, showing a schematic diagram of the second clamping plate mechanism.

[0026] Figure 8 A use state diagram of the cover plate feeding device provided by an embodiment of the present application.

[0027] Figure 9 A Figure 8Enlarged view of middle C portion.

[0028] Explanation of reference numerals:

[0029] 1, first hopper; 2, second hopper; 3, conveying mechanism; 4, base; 5, support plate; 6, cover plate;

[0030] 101, front hopper vertical plate; 11, first lifting plate mechanism; 111, first lifting cylinder; 112, first lifting plate; 12, first clamping plate mechanism; 121, first vertical plate; 122, first telescopic cylinder; 123, first connecting plate; 124, first guide rail; 125, first insertion plate; 13, load plate mechanism; 131, load plate cylinder; 132, load bearing bottom plate; 133, load bearing moving plate; 1331, positioning pin; 1332, load plate guide rod; 134, load plate motor; 135, load plate driven wheel; 136, load plate belt; 137, load plate slide rail; 138, sliding block; 139, limiting piece; 14, lifting side cylinder; 141, buffer pad; 15, first sensor; 201, rear hopper vertical plate; 21, second lifting plate mechanism; 211, second lifting cylinder; 212, second lifting plate; 22, second clamping plate mechanism; 221, second vertical plate; 222, second telescopic cylinder; 223, second connecting plate; 224, second guide rail; 225, second insertion plate; 23, second sensor; 31, conveying motor; 32, transmission wheel; 33, conveying driving roller; 34, conveying belt; 35, conveying driven wheel; 51, clamping groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] Herein, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0033] In addition, herein, the orientation terms such as "upper", "lower", and the like are defined with respect to the orientation of the structure shown in the drawing, and it should be understood that these directional terms are relative concepts, which are used for relative description and clarification, and can be changed accordingly according to the change of the orientation of the structure placed.

[0034] Please refer toFigures 1 to 9 The embodiment of the present application provides a cover plate feeding device for storing and transmitting a supporting plate 5 on which a cover plate 6 is placed.

[0035] Specifically, as shown in Figure 1 The cover plate feeding device comprises:

[0036] A machine base 4, the machine base 4 comprises a first end and a second end away from each other;

[0037] A first bin 1, the first bin 1 is arranged at the first end of the machine base 4, and the first bin 1 is used for placing the supporting plate 5;

[0038] A second bin 2, the second bin 2 is arranged at the second end of the machine base 4, and the second bin 2 is used for placing the supporting plate 5;

[0039] A conveying mechanism 3, the conveying mechanism 3 is arranged between the first bin 1 and the second bin 2, and the conveying mechanism 3 is used for conveying the supporting plate 5 between the first bin 1 and the second bin 2.

[0040] The first bin 1 is provided with a first lifting plate mechanism 11, a first clamping plate mechanism 12 and a supporting plate mechanism 13; the first lifting plate mechanism 11 is arranged at the bottom of the first bin 1 and is used for lifting the supporting plate 5 placed in the first bin 1 in the vertical direction; the first clamping plate mechanism 12 is arranged at the side of the first bin 1 and is used for clamping part of the supporting plate 5 lifted by the first lifting plate mechanism 11; and the supporting plate mechanism 13 is arranged at the bottom of the first bin 1 and is matched with the conveying mechanism 3 and is used for connecting the conveying mechanism 3.

[0041] The second bin 2 is provided with a second lifting plate mechanism 21 and a second clamping plate mechanism 22; the second lifting plate mechanism 21 is arranged at the bottom of the second bin 2 and is used for lifting the supporting plate 5 placed in the second bin 2 in the vertical direction; and the second clamping plate mechanism 22 is arranged at the side of the second bin 2 and is used for clamping the supporting plate 5 lifted by the second lifting plate mechanism 21.

[0042] As shown in Figure 1 and Figure 4 In the embodiment, the first bin 1 comprises four front bin vertical plates 101 to form a containing space, and the second bin 2 comprises four rear bin vertical plates 201 to form a containing space.

[0043] As shown in Figure 1 In the present application, the conveying mechanism 3 comprises a conveying motor 31, a transmission wheel 32, a conveying driving roller 33, a conveying belt 34 and a conveying driven wheel 35; the conveying motor 31 is fixedly arranged on the machine base 4; the transmission wheel 32 is in transmission connection with the conveying motor 31; the transmission wheel 32 is in transmission connection with the conveying driving roller 33; and the conveying belt 34 is connected between the conveying driving roller 33 and the conveying driven wheel 35.

[0044] In order to improve the stability of the conveying pallet 5, in the embodiment, the conveying driven wheels 35 and the conveying belts 34 are both provided with two, and the two conveying driven wheels 35 and the two conveying belts 34 are arranged on the upper surface of the base 4 on both sides to bear the conveying pallet 5.

[0045] In combination Figure 2 As shown in the figure, in the embodiment, the first lifting plate mechanism 11 includes a first lifting cylinder 111 and a first lifting plate 112, the first lifting cylinder 111 is fixedly arranged on the upper surface of the first end of the base 4, and the first lifting plate 112 is arranged on the upper end of the telescopic rod of the first lifting cylinder 111.

[0046] Specifically, the first lifting cylinder 111 can adopt a gas cylinder to realize controllable telescopic control.

[0047] In combination Figures 2 to 4 As shown in the figure, in order to improve the lifting force and adapt to the large weight caused by more pallets 5, the first silo 1 further includes a lifting side cylinder 14, which is arranged on the side of the first lifting plate mechanism 11, and the telescopic end of the lifting side cylinder 14 is arranged upward.

[0048] In the embodiment, the lifting side cylinder 14 is provided with two and symmetrically arranged on both sides of the first lifting plate mechanism 11. The lifting side cylinder 14 can adopt a gas cylinder.

[0049] In combination Figure 3 As shown in the figure, in order to avoid large vibration during lifting and cause the cover plate 6 to be loose and displaced from the pallet 5, the telescopic end of the lifting side cylinder 14 can be provided with a buffer pad 141.

[0050] In combination Figure 2 As shown in the figure, in order to sense the descending position of the pallet 5, a first sensor 15 is arranged on the first silo 1 to sense the descending position of the pallet 5.

[0051] In combination Figures 2 to 4 As shown in the figure, in the embodiment, the carrier plate mechanism 13 includes a carrier plate cylinder 131, a carrier plate bottom 132, a carrier plate moving plate 133, a carrier plate motor 134, a carrier plate driven wheel 135 and a carrier plate belt 136, the carrier plate motor 134 is fixedly arranged on the upper surface of the base 4 away from the first silo 1, the carrier plate driven wheel 135 is arranged on the first end of the base 4, the carrier plate belt 136 is connected between the transmission end of the carrier plate motor 134 and the carrier plate driven wheel 135, the carrier plate bottom 132 is fixedly connected with the carrier plate belt 136 to move synchronously with the carrier plate belt 136, the carrier plate cylinder 131 is fixedly arranged on the carrier plate bottom 132, and the carrier plate moving plate 133 is located above the carrier plate bottom 132 and is fixedly connected with the telescopic end of the carrier plate cylinder 131.

[0052] In combination Figures 2 to 4As shown, in order to make the carrier plate mechanism 13 move stably along the predetermined path, the base 4 is provided with a carrier plate slide rail 137, the lower surface of the carrier bottom plate 132 is provided with a sliding block 138 which is in sliding connection with the carrier plate slide rail 137; the lower surface of the carrier moving plate 133 is provided with a carrier plate guide rod 1332 which is in sliding cooperation with the carrier bottom plate 132.

[0053] Specifically, the carrier plate slide rail 137 is provided with two, which are respectively arranged on the upper surface of the base 4.

[0054] In combination Figure 2 As shown, in order to avoid the carrier plate mechanism 13 moving out of limits, in the embodiment, the end of the carrier plate slide rail 137 is provided with a limiting piece 139 to limit the end moving position of the carrier plate mechanism 13.

[0055] In combination Figure 2 As shown, in order to make the carrier plate 5 be positioned and placed on the carrier moving plate 133 and avoid sliding when moving, the surface of the carrier moving plate 133 is provided with a positioning pin 1331 which is matched with the bottom plate hole of the carrier plate 5.

[0056] In combination Figure 4 And Figure 5 As shown, in the embodiment, the first clamping plate mechanism 12 includes a first vertical plate 121, a first telescopic cylinder 122, a first connecting plate 123, a first guide rail 124 and a first insertion plate 125, the first vertical plate 121 is vertically fixed on the base 4, the first telescopic cylinder 122 is fixedly arranged on the first vertical plate 121, the telescopic end of the first telescopic cylinder 122 is fixedly connected with the first connecting plate 123, the first insertion plate 125 is transversely fixedly arranged on the first connecting plate 123, and the first guide rail 124 is fixed on the first vertical plate 121 and is in sliding cooperation with the first connecting plate 123.

[0057] Among them, the first insertion plate 125 can be inserted between the carrier plates 5 under the drive of the first telescopic cylinder 122, so as to support part of the carrier plates 5 above the first clamping plate mechanism 12.

[0058] In the embodiment, the first clamping plate mechanism 12 is provided with two and is symmetrically arranged on both sides of the base 4.

[0059] In combination Figure 4 And Figure 6 As shown, in the embodiment, the second lifting plate mechanism 21 includes a second jacking cylinder 211 and a second jacking plate 212, the second jacking cylinder 211 is fixedly arranged on the upper surface of the second end of the base 4, and the second jacking plate 212 is arranged on the upper end of the telescopic rod of the second jacking cylinder 211.

[0060] In combination Figure 6 As shown, in order to sense the descending position of the carrier plate 5, the second sensor 23 is arranged on the second material bin 2 to sense the descending position of the carrier plate 5.

[0061] In combination Figure 7 As shown in the drawings, in this embodiment, the second clamping plate mechanism 22 comprises a second vertical plate 221, a second telescopic cylinder 222, a second connecting plate 223, a second guide rail 224 and a second insertion plate 225. The second vertical plate 221 is vertically fixed to the machine base 4. The second telescopic cylinder 222 is fixedly arranged on the second vertical plate 221. The telescopic end of the second telescopic cylinder 222 is fixedly connected with the second connecting plate 223. The second insertion plate 225 is transversely fixedly arranged on the second connecting plate 223. The second guide rail 224 is fixed to the second vertical plate 221 and slidingly matched with the second connecting plate 223.

[0062] In this embodiment, the second clamping plate mechanism 22 is provided with two, which are symmetrically arranged on both sides of the machine base 4.

[0063] In combination Figure 8 and Figure 9 As shown in the drawings, the use state of the cover plate feeding device is shown.

[0064] Among them, in order to facilitate the first clamping plate mechanism 12 and the second clamping plate mechanism 22 to hold the supporting plate 5, the side edge of the supporting plate 5 is provided with a clamping groove 51 matched with the first insertion plate 125 and the second insertion plate 225.

[0065] One of the use modes of the cover plate feeding device is as follows:

[0066] The second material bin 2 vertically stacks a plurality of supporting plates 5 containing cover plates 6;

[0067] When the cover plate 6 of the supporting plate 5 needs to be taken, the second telescopic cylinder 222 of the second clamping plate mechanism 22 drives the second insertion plate 225 to insert into the clamping groove 51 of the supporting plate 5 at the bottom end, the second jacking cylinder 211 drives the second jacking plate 212 to move upwards, so that the supporting plates 5 except the supporting plate 5 at the bottom end move upwards, and the conveying motor 31 drives the conveying belt 34 to move, so that the supporting plate 5 at the bottom of the second material bin 2 is moved out of the second material bin 2;

[0068] After the conveying belt 34 stops moving when the supporting plate 5 is moved to the position where the cover plate 6 can be taken, the conveying belt 34 continues to move to move the supporting plate 5 towards the first material bin 1;

[0069] The conveying belt 34 moves the supporting plate 5 to the position close to the first material bin 1. The carrier motor 134 drives the conveying belt 34, and then drives the carrier bottom plate 132 and the carrier moving plate 133 to move towards the conveying belt 34, so that the carrier moving plate 133 is located below the supporting plate 5. The carrier cylinder 131 drives the carrier moving plate 133 to rise and abut against the supporting plate 5, so that the supporting plate 5 is separated from the surface of the conveying belt 34;

[0070] If the first bin 1 has placed the pallet 5, the first retractable cylinder 122 of the first clamping plate mechanism 12 drives the first inserting plate 125 to insert into the clamping slot 51 of the bottommost pallet 5 in the first bin 1, so that all the pallets 5 are supported on the first clamping plate mechanism 12, and then the first lifting plate mechanism 11 lifts the stored pallets 5 in the first bin 1 upward;

[0071] The carrier plate motor 134 drives the conveying belt 34 to move the carrier moving plate 133 towards the first bin 1, so that the pallet 5 on the carrier moving plate 133 is located at the bottommost position of the first bin 1;

[0072] The first lifting plate mechanism 11 lowers the lifted pallet 5 to the newly moved-in pallet 5, and the carrier moving plate 133 moves to drop all the pallets 5 in the first bin 1 into the first bin 1.

[0073] At this time, the single-pallet 5 conveying is completed, and the above-mentioned actions can be repeated to realize continuous conveying of multiple pallets 5.

[0074] The above describes the cover plate feeding device provided by the embodiment of the present application in detail, the principle and implementation manner of the present application are explained by applying the specific examples, and the above description is only used to help understand the method of the present application and its core mechanism; meanwhile, for the general skilled in the art, according to the idea of the present application, the specific examples and application range will be changed, and the above description should not be understood as the limitation of the present application.

Claims

1. A cover plate loading device for storing and transporting pallets with cover plates, characterized in that, The cover plate feeding device comprises: a machine base comprising a first end and a second end; a first hopper provided at the first end of the machine base, for placing the pallets; a second hopper provided at the second end of the machine base, for placing the pallets; a conveying mechanism provided between the first hopper and the second hopper, for conveying the pallets between the first hopper and the second hopper; the first hopper is provided with a first lifting mechanism, a first clamping mechanism and a loading mechanism; the first lifting mechanism is provided at the bottom of the first hopper, for lifting the pallets placed in the first hopper in the vertical direction; the first clamping mechanism is provided at the side of the first hopper, for clamping the pallets lifted by the first lifting mechanism; the loading mechanism is provided at the bottom of the first hopper and is matched with the conveying mechanism, for interfacing with the conveying mechanism; the second hopper is provided with a second lifting mechanism and a second clamping mechanism; the second lifting mechanism is provided at the bottom of the second hopper, for lifting the pallets placed in the second hopper in the vertical direction; the second clamping mechanism is provided at the side of the second hopper, for clamping the pallets lifted by the second lifting mechanism.

2. The cover sheet feeding device of claim 1, wherein: The conveying mechanism comprises a conveying motor, a transmission wheel, a conveying driving roller, a conveying belt and a conveying driven wheel; the conveying motor is fixedly provided on the machine base; the transmission wheel is in transmission connection with the conveying motor; the transmission wheel is in transmission connection with the conveying driving roller; the conveying belt is connected between the conveying driving roller and the conveying driven wheel.

3. The cover sheet feeding device of claim 2, wherein: The conveying driven wheel and the conveying belt are both provided in two; the two conveying driven wheels and the two conveying belts are provided on the upper surface of the machine base on both sides, for carrying and conveying the pallets.

4. The cover sheet feeding device of claim 1, wherein: The first lifting mechanism comprises a first lifting cylinder and a first lifting plate; the first lifting cylinder is fixedly provided on the upper surface of the first end of the machine base; the first lifting plate is provided on the upper end of the telescopic rod of the first lifting cylinder.

5. The cover sheet feeding device of claim 4, wherein: The first hopper further comprises a lifting side cylinder; the lifting side cylinder is provided at the side of the first lifting mechanism; the telescopic end of the lifting side cylinder is upwardly provided.

6. The cover sheet feeding device of claim 1, wherein: The loading mechanism comprises a loading cylinder, a loading bottom plate, a loading dynamic plate, a loading motor, a loading driven wheel and a loading belt; the loading motor is fixedly provided on the upper surface of the machine base away from the first hopper; the loading driven wheel is provided at the first end of the machine base; the loading belt is connected between the transmission end of the loading motor and the loading driven wheel; the loading bottom plate is fixedly connected with the loading belt to move synchronously with the loading belt; the loading cylinder is fixedly provided on the loading bottom plate; the loading dynamic plate is located above the loading bottom plate and is fixedly connected with the telescopic end of the loading cylinder.

7. The cover sheet feeding device of claim 6, wherein: The base is provided with a carrier plate sliding rail, a lower surface of the carrier plate is provided with a sliding block, and the sliding block is in sliding connection with the carrier plate sliding rail; a lower surface of the carrier moving plate is provided with a carrier plate guide rod, and the carrier plate guide rod is in sliding fit with the carrier plate.

8. The cover sheet feeding device of claim 1, wherein: The first clamping plate mechanism comprises a first vertical plate, a first telescopic cylinder, a first connecting plate, a first guide rail and a first insertion plate, the first vertical plate is vertically fixed to the base, the first telescopic cylinder is fixedly arranged on the first vertical plate, the telescopic end of the first telescopic cylinder is fixedly connected with the first connecting plate, the first insertion plate is transversely fixedly arranged on the first connecting plate, and the first guide rail is fixed to the first vertical plate and in sliding fit with the first connecting plate.

9. The cover sheet feeding device of claim 1, wherein: The second lifting plate mechanism comprises a second jacking cylinder and a second jacking plate, the second jacking cylinder is fixedly arranged on the upper surface of the second end of the base, and the second jacking plate is arranged on the upper end of the telescopic rod of the second jacking cylinder.

10. The cover sheet feeding device of claim 1, wherein: The second clamping plate mechanism comprises a second vertical plate, a second telescopic cylinder, a second connecting plate, a second guide rail and a second insertion plate, the second vertical plate is vertically fixed to the base, the second telescopic cylinder is fixedly arranged on the second vertical plate, the telescopic end of the second telescopic cylinder is fixedly connected with the second connecting plate, the second insertion plate is transversely fixedly arranged on the second connecting plate, and the second guide rail is fixed to the second vertical plate and in sliding fit with the second connecting plate.

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