CN211469971U - Nickel sheet feeding machine - Google Patents

Abstract

The utility model relates to a nickel piece feed structure especially relates to a nickel piece material loading machine. The automatic nickel sheet taking and storing device comprises a workbench, wherein a picking device for transferring nickel sheets is arranged in the middle of the workbench, at least one group of storing assemblies for storing the nickel sheets is arranged on one side of the workbench, and a space to be taken for storing original nickel sheets and a storing space for storing the nickel sheets with the thickness exceeding the standard are arranged in each storing assembly; the other side of the workbench is provided with a conveying mechanism for conveying nickel sheets, the workbench is also provided with a detection mechanism for detecting the thickness of the nickel sheets, the picking device picks up the nickel sheets from the space to be picked and is placed on the detection mechanism for detecting the thickness, and when the thicknesses are in accordance, the picking device transfers the nickel sheets to the conveying mechanism; otherwise, the picking device transfers the nickel sheet to the storage space. The thickness of the nickel sheet can be measured by arranging the detection mechanism without manual identification; thereby achieving the automatic feeding of the nickel sheet and improving the feeding efficiency.

Description

Nickel Sheet Feeder

technical field

The utility model relates to a nickel sheet feeding structure, in particular to a nickel sheet feeding machine.

Background technique

At present, when the nickel sheet is being loaded, because the nickel sheet is in the form of a sheet, it is easy to bond when stacking. Therefore, the method of manual feeding is generally adopted. Manually identify whether the nickel sheet is a single sheet, and then put the nickel sheet on the conveying mechanism. , which leads to lower production efficiency.

SUMMARY OF THE INVENTION

The purpose of the utility model is to solve the deficiencies of the prior art, and to provide a nickel sheet feeding machine, which can detect the thickness of the nickel sheet and realize automatic feeding.

The technical scheme that the utility model adopts for realizing the above-mentioned purpose is:

A nickel sheet feeding machine, which includes a workbench, the middle of the workbench is provided with a pick-up device for transferring nickel sheets, one side of the workbench is provided with at least one set of storage assemblies for storing nickel sheets, and the storage assembly is provided with a In the waiting space for placing the original nickel sheet and the storage space for placing the nickel sheet with the thickness exceeding the standard; the other side of the worktable is provided with a conveying mechanism for conveying the nickel sheet, and the worktable is also provided with a detection mechanism for detecting the thickness of the nickel sheet , the pick-up device picks up the nickel sheet from the space to be picked up, and places it in the detection mechanism to detect the thickness. When the thickness matches, the pick-up device transfers the nickel sheet to the conveying mechanism; otherwise, the pick-up device transfers the nickel sheet to the storage space.

Further, the storage assembly includes a jig for storing the nickel sheet to be taken and a base, the jig is fixedly connected to the base, and the upper end of the jig is provided with an accommodating hole matched with the nickel sheet, and the accommodating hole is The interior is the space to be taken; the fixture is provided with a number of guide columns at the bottom of the accommodating hole; one side of the worktable is provided with a feeding and lifting device, the feeding and lifting device includes a lifting platform, and the lifting platform is connected with a The drive plate is connected with a plurality of push rods, the push rods are connected with a push plate for pushing the nickel sheet upwards, and the base and the fixture are provided with perforations matched with the push plates.

Further, the storage assembly further includes a storage box arranged on the workbench, the storage space is inside the storage box, and the storage box is provided with a plurality of guide rods.

Further, the pickup device includes a moving mechanism capable of horizontal, rotating, and lifting motion, and the moving mechanism is connected with a pickup assembly; the pickup assembly includes a connecting plate connected with the moving mechanism, and the connecting plate is connected with an adsorption plate through a plurality of connecting columns. The middle part of the adsorption plate is provided with a plurality of transverse air flow grooves, and the two ends of the transverse air flow grooves are respectively provided with plugs; the side of the adsorption plate is provided with a plurality of longitudinal air flow grooves, and the longitudinal air flow grooves are communicated with the transverse air flow grooves, and the longitudinal air flow grooves are connected with each other. The two ends of the air flow groove are respectively provided with plugs; the upper end of the adsorption plate is provided with a plurality of sets of upper vertical adsorption grooves, the upper vertical adsorption grooves are communicated with the horizontal air flow grooves, and the upper vertical adsorption grooves are connected with a suction pipe for connecting The lower end of the adsorption plate is provided with a plurality of sets of lower vertical adsorption grooves, the lower vertical adsorption grooves are communicated with the horizontal airflow grooves, and the lower vertical adsorption grooves are connected with suction heads.

Preferably, the moving mechanism is an ABB robot.

Further, the detection mechanism includes a support rod, the upper end of the support rod is connected with a detection base plate, and the lower end of the detection base plate is connected with several height displacement sensors for detecting the thickness of the nickel sheet, and the detection base plate is provided with a height displacement sensor. With the matching detection hole, the sensing head of the height displacement sensor extends out of the detection hole.

Preferably, as another detection method, the detection mechanism includes a support rod, the upper end of the support rod is connected with a detection base plate, the detection base plate is provided with a detection base plate, and a gravity sensor is provided between the detection base plate and the detection base plate.

Further, the conveying mechanism includes a carrier for loading nickel sheets, an upper conveying frame and a lower conveying frame, the upper conveying frame includes an upper horizontal frame arranged on both sides, and a Several upper longitudinal beams are arranged at intervals; the upper horizontal frame is provided with an upper synchronous transmission mechanism, an upper transmission shaft is arranged between the two upper synchronous transmission mechanisms, and the upper transmission shaft is connected with an upper motor; The lower horizontal frame on both sides, the lower horizontal frame is located below the upper horizontal frame, a support plate is arranged between the lower horizontal frame and the corresponding upper horizontal frame, and a number of lower vertical frames arranged at intervals are arranged between the lower horizontal frames on both sides. The lower horizontal frame is provided with a lower synchronous transmission mechanism, a lower transmission shaft is arranged between the two lower synchronous transmission mechanisms, and the lower transmission shaft is connected with a lower motor; when the carrier is located on the upper conveying frame, the two ends of the carrier are respectively connected with The two upper synchronous transmission mechanisms are connected; when the carrier is located on the lower conveying frame, the two ends of the carrier are respectively connected with the two lower synchronous transmission mechanisms.

Further, the upper synchronous transmission mechanism includes an upper driving pulley and an upper driven pulley arranged on both sides of the upper horizontal frame; the upper driving pulley is connected with the upper driven pulley through the upper synchronous belt, and the upper driving pulleys on both sides pass through. The upper transmission shaft is connected; the lower synchronous transmission mechanism includes a lower driving pulley and a lower driven pulley arranged on both sides of the lower horizontal frame; the lower driving pulley is connected with the lower driven pulley through the lower timing Lower drive shaft connection.

Further, the conveying mechanism also includes a jacking and positioning mechanism for positioning the carrier, the jacking and positioning mechanism includes a receiving plate arranged between the upper conveying frame and the lower conveying frame, and two sides of the receiving plate are respectively connected with Support legs; the receiving plate is connected with a plurality of pillars, the upper end of the pillar is connected with a middle plate, the middle plate is connected with a cylinder, the push rod of the cylinder is upward and connected with a lifting plate, the lower end of the carrier is provided with a positioning hole, The lifting plate is provided with a positioning column matched with the positioning hole.

Further, the intermediate plate is connected with a plurality of linear bearings, the linear bearings are sleeved with guide posts, and the upper ends of the guide posts are connected with the lifting plate.

The beneficial effects of the utility model are as follows: by setting the detection mechanism, the thickness of the nickel sheet can be measured without manual identification; thus the automatic feeding of the nickel sheet is achieved and the feeding efficiency is improved.

Description of drawings

Fig. 1 is a kind of working schematic diagram of the utility model.

FIG. 2 is a schematic diagram of the storage assembly of the present invention.

FIG. 3 is another schematic diagram of the storage assembly of the present invention.

FIG. 4 is a schematic diagram of the conveying mechanism of the present invention.

FIG. 5 is a schematic diagram of the jacking and positioning mechanism of the present invention.

FIG. 6 is another schematic diagram of the jacking and positioning mechanism of the present invention.

FIG. 7 is a schematic diagram of the pickup assembly of the present invention.

FIG. 8 is a schematic cross-sectional view of the adsorption plate of the present invention.

FIG. 9 is a schematic cross-sectional view of the pickup device of the present invention.

FIG. 10 is a schematic diagram of the detection mechanism of the present invention.

Reference number:

1—Conveying mechanism; 11—Lifting positioning mechanism; 12—Lower conveying frame; 13—Upper conveying frame; 14—Carrier; 111—Support leg; 112—Guide post; 113—Linear Bearing; 114 - middle plate; 115 - positioning column; 116 - lifting plate; 117 - cylinder; 118 - pillar; 119 - receiving plate;

121 - lower motor; 122 - lower transmission shaft; 123 - lower longitudinal beam; 124 - supporting plate; 125 - lower horizontal frame;

131 - upper motor; 132 - upper timing belt; 133 - upper driving pulley; 134 - upper drive shaft; 135 - upper longitudinal beam; 136 - upper horizontal frame;

2 - pick-up device;

3 - storage components; 31 - abutment; 32 - storage box; 33 - fixture; 34 - push plate; 35 - loading lifting device; 36 - push rod; 37 - drive plate; 38—Lifting platform; 39—Guide column; 310—Space to be taken; 312—Guide rod; 313—Storage space;

4 - pick-up assembly; 41 - connecting plate; 42 - connecting column; 43 - adapter; 45 - adsorption plate; 46 - suction head; 451 - horizontal airflow slot; 452 - vertical airflow slot; 453—plug; 454—upper vertical adsorption tank; 455—lower vertical adsorption tank;

5—detection mechanism; 51—support rod; 52—height displacement sensor; 53—detection bottom plate;

6—moving mechanism; 10—nickel sheet.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.

Example: See Figures 1 to 10. A nickel sheet feeding machine, which includes a workbench, the middle of the workbench is provided with a pick-up device for transferring nickel sheets, one side of the workbench is provided with at least one set of storage assemblies for storing nickel sheets, and the storage assembly is provided with a In the waiting space for placing the original nickel sheet and the storage space for placing the nickel sheet with the thickness exceeding the standard; the other side of the worktable is provided with a conveying mechanism for conveying the nickel sheet, and the worktable is also provided with a detection mechanism for detecting the thickness of the nickel sheet , the pick-up device picks up the nickel sheet from the space to be picked up, and places it in the detection mechanism to detect the thickness. When the thickness matches, the pick-up device transfers the nickel sheet to the conveying mechanism; otherwise, the pick-up device transfers the nickel sheet to the storage space.

In this technical scheme, when the nickel sheet is loaded, the nickel sheet is first detected, so as to prevent the nickel sheet from being bonded together during feeding, which affects the subsequent work; the whole process does not require manual intervention, and it can effectively Reduce labor costs and improve production efficiency.

2 and 3; further, the storage assembly includes a jig for storing the nickel sheet to be taken and a base, the jig is fixedly connected with the base, and the upper end of the jig is provided with a matching nickel sheet. an accommodating hole, and the inside of the accommodating hole is the space to be taken; the fixture is provided with a number of guide columns at the bottom of the accommodating hole; one side of the worktable is provided with a feeding and lifting device, and the feeding and lifting device includes a Lifting table, the lifting table is connected with a driving plate, the driving plate is connected with a number of push rods, and the push rod is connected with a push plate for pushing up the nickel sheet, the base table and the fixture are equipped with the push plate to match perforation.

In this technical solution, a jig is used to store nickel sheets, and the nickel sheets are stored in order in the accommodating holes; when the top nickel sheet is taken away, the feeding lifting device will drive the lifting platform and the driving plate to move upward, The push rod drives the push plate to push the nickel sheet to move up a corresponding distance to keep the top nickel sheet flush with the surface of the fixture. The feeding and lifting device can use a servo motor to drive the screw to rotate, the screw is connected with the lifting table threadedly, and the lifting table is lifted and lowered under the drive of the screw. In order to control the lifting accuracy, a displacement sensor or photoelectric switch can be set on the fixture, and the position of the top nickel sheet can be sensed by the displacement sensor and the photoelectric switch, thereby controlling the rotation of the servo motor. The feeding and lifting device can also use a linear motor or the like.

Further, the storage assembly further includes a storage box arranged on the workbench, the storage space is inside the storage box, and the storage box is provided with a plurality of guide rods.

The storage box is used to place nickel sheets with unqualified thickness. When placing, the guide rods guide the nickel sheets.

Referring to Fig. 9, further, the pickup device includes a moving mechanism capable of horizontal, rotating, and lifting motion, and the moving mechanism is connected with a pickup assembly, see Figs. 7 and 8; the pickup assembly includes a connecting plate connected with the moving mechanism, The connecting plate is connected with an adsorption plate through a plurality of connecting columns, a plurality of transverse air flow grooves are provided in the middle of the adsorption plate, and plugs are respectively provided at both ends of the transverse air flow groove; The longitudinal air flow groove is communicated with the horizontal air flow groove, and the two ends of the longitudinal air flow groove are respectively provided with plugs; the upper end of the adsorption plate is provided with a plurality of sets of upper vertical adsorption grooves, the upper vertical adsorption grooves are communicated with the horizontal air flow grooves, and the upper The vertical adsorption tank is connected with an adapter for connecting with the air suction pipe, the lower end of the adsorption plate is provided with a plurality of lower vertical adsorption tanks, the lower vertical adsorption tank is communicated with the horizontal airflow tank, and the lower vertical adsorption tank is connected with a suction head.

The moving mechanism may use a manipulator, such as a manipulator of the ABB series, an industrial robot, etc., which is the prior art and will not be repeated here. In this embodiment, the moving mechanism adopts an ABB manipulator, and the adapter is connected with the suction pipe and the suction device. A negative pressure is formed in the suction plate, and the suction head absorbs the nickel sheet. In the initial stage, the moving mechanism moves horizontally, so that the suction plate is located in the position to be taken. Above the space, the adsorption plate is lowered to the top of the nickel sheet, and the pumping action starts, so that the nickel sheet is adsorbed; then the adsorption plate is transferred to the detection mechanism, the pumping stops, and the nickel sheet falls to the detection mechanism under its own gravity. When the thickness of the nickel sheet meets the requirements, the nickel sheet is transferred to the conveying mechanism, otherwise it is transferred to the storage box.

Preferably, the moving mechanism is an ABB robot.

The moving mechanism can be an XYZ moving mechanism plus a lifting mechanism and a rotating mechanism.

10 ; further, the detection mechanism includes a support rod, the upper end of the support rod is connected with a detection bottom plate, and the lower end of the detection bottom plate is connected with several height displacement sensors for detecting the thickness of the nickel sheet, and the detection bottom plate is provided with The height displacement sensor is matched with the detection hole, and the sensing head of the height displacement sensor extends out of the detection hole.

When the nickel sheet thickness is detected, the moving mechanism transfers the nickel sheet to the detection bottom plate, and the height displacement sensor can sense the thickness of the nickel sheet; specifically: when the nickel sheet is placed, the through hole on the nickel sheet overlaps or partially overlaps with the detection hole Coincidence, so that the sensing head can extend into the inside of the nickel sheet, and then the thickness of the nickel sheet can be sensed; the height displacement sensor can be a Hall sensor, etc., the height displacement sensor is electrically connected to the detection center, and shows the thickness of the nickel sheet; If the thickness of the sheet is within the range, it is a qualified product; if it exceeds the range, the nickel sheet taken may have double sheets or more. The detection center has a processor, a display, etc.; it is the prior art.

Preferably, as another detection method, the detection mechanism includes a support rod, the upper end of the support rod is connected with a detection base plate, the detection base plate is provided with a detection base plate, and a gravity sensor is provided between the detection base plate and the detection base plate.

The gravity sensor is used to detect the weight of the nickel sheet. The number of nickel sheets can be judged by detecting the weight of the nickel sheet. For example, the weight of a single nickel sheet can be detected and recorded, and then the weight of the nickel sheet detected later is the same For comparison, when the difference is within the error range, the nickel piece taken is a single piece; when the difference is large, the nickel piece taken is a double piece or more. Similarly, in the implementation, the gravity sensor is connected with the detection center, and the number of nickel sheets is judged by the processor, and at the same time, the display shows the weight of the nickel sheets.

Referring to FIG. 4 , further, the conveying mechanism includes a carrier for loading nickel sheets, an upper conveying frame and a lower conveying frame, and the upper conveying frame includes an upper horizontal frame arranged on both sides, and an upper horizontal frame on both sides. There are several upper longitudinal beams arranged at intervals; the upper horizontal frame is provided with an upper synchronous transmission mechanism, and an upper transmission shaft is arranged between the two upper synchronous transmission mechanisms, and the upper transmission shaft is connected with the upper motor; the lower conveying mechanism The frame includes a lower horizontal frame arranged on both sides, the lower horizontal frame is located below the upper horizontal frame, a support plate is arranged between the lower horizontal frame and the corresponding upper horizontal frame, and several intervals are arranged between the lower horizontal frames on both sides The lower longitudinal beam is arranged; the lower horizontal frame is provided with a lower synchronous transmission mechanism, a lower transmission shaft is arranged between the two lower synchronous transmission mechanisms, and the lower transmission shaft is connected with a lower motor; when the carrier is located on the upper conveying frame, the The two ends are respectively connected with the two upper synchronous transmission mechanisms; when the carrier is located on the lower conveying frame, the two ends of the carrier are respectively connected with the two lower synchronous transmission mechanisms.

This technical solution adopts the carrier backflow structure to continuously transport the nickel sheets; the structure of the upper conveying frame and the lower conveying frame are basically the same. Both ends of the mechanism; of course, it can also be set at the same end. The carrier is mounted on the upper synchronous transmission mechanism or the lower synchronous transmission mechanism on both sides, and moves with the work of the upper synchronous transmission mechanism or the lower synchronous transmission mechanism; the transmission directions of the upper synchronous transmission mechanism and the lower synchronous transmission mechanism are opposite. When the carrier is transported to the end, it is transferred by a manipulator or manually; thus, the backflow of the carrier is realized, and the nickel sheets are continuously transported outward.

Further, the upper synchronous transmission mechanism includes an upper driving pulley and an upper driven pulley arranged on both sides of the upper horizontal frame; the upper driving pulley is connected with the upper driven pulley through the upper synchronous belt, and the upper driving pulleys on both sides pass through. The upper transmission shaft is connected; the lower synchronous transmission mechanism includes a lower driving pulley and a lower driven pulley arranged on both sides of the lower horizontal frame; the lower driving pulley is connected with the lower driven pulley through the lower timing Lower drive shaft connection.

The technical solution adopts a synchronous belt transmission mechanism, which transports the carrier through the synchronous belt and maintains the stability of the speed; as a structure with the same effect, the synchronous transmission mechanism can also use a chain transmission mechanism, a chain plate transmission mechanism, etc.

Further, the conveying mechanism further includes a jacking and positioning mechanism for positioning the carrier, see Fig. 5 and Fig. 6 ; the jacking and positioning mechanism Two sides of the plate are respectively connected with support legs; the receiving plate is connected with a plurality of pillars, the upper end of the pillars is connected with a middle plate, the middle plate is connected with a cylinder, the push rod of the cylinder is upward and connected with a lifting plate, the carrier The lower end of the lift plate is provided with a positioning hole, and the lifting plate is provided with a positioning column matched with the positioning hole.

After the jacking and positioning mechanism is set, when the pick-up device is about to place the nickel sheet in the carrier, the jacking and positioning mechanism can lift the carrier, that is, the cylinder action lifts the lifting plate upward, and the lifting plate cooperates with the carrier and simultaneously. The carrier is jacked up from the upper conveying frame; then the pick-up device places the nickel sheet in the carrier; when the placement is completed, the jacking mechanism lowers the carrier to the upper conveying frame and connects with the upper synchronous transmission mechanism. Therefore, it is avoided that the upper synchronous transmission mechanism needs to be suspended for placing the nickel sheet, so that the synchronous transmission mechanism does not need to stop during operation, and the work efficiency is improved.

Further, the intermediate plate is connected with a plurality of linear bearings, the linear bearings are sleeved with guide posts, and the upper ends of the guide posts are connected with the lifting plate.

In order to keep the lift plate rising steadily, the combination of linear bearing and guide post is adopted in this technical scheme.

The present invention has been described in detail, and those skilled in the art should understand that the technical solutions of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. a nickel sheet feeding machine, it comprises a workbench, it is characterized in that: the middle of the workbench is provided with a pick-up device for transferring nickel sheets, and one side of the workbench is provided with at least one group of storage assemblies for storing nickel sheets , the storage component is provided with a waiting space for placing original nickel sheets and a storage space for placing nickel sheets with excessive thickness; the other side of the worktable is provided with a conveying mechanism for conveying nickel sheets, and the worktable is also provided with a detection The detection mechanism for the thickness of the nickel sheet, the pickup device picks up the nickel sheet from the space to be taken, and places it in the detection mechanism to detect the thickness. When the thickness matches, the pickup device transfers the nickel sheet to the conveying mechanism; otherwise, the pickup device will transfer the nickel sheet Transfer to storage space. 2 . The nickel sheet feeding machine according to claim 1 , wherein the storage assembly comprises a jig for storing the nickel sheets to be taken and a base, the jig is fixedly connected to the base, and the upper end of the jig is fixedly connected to the base. 3 . There is an accommodating hole matched with the nickel sheet, and the inside of the accommodating hole is the space to be taken; the fixture is provided with a number of guide posts at the bottom of the accommodating hole; one side of the worktable is provided with a feeding lift The feeding and lifting device includes a lifting table, the lifting table is connected with a driving board, the driving board is connected with a number of push rods, and the push rods are connected with a push board for pushing the nickel sheet upwards. There are perforations matched with the push plate. 3 . The nickel sheet feeding machine according to claim 2 , wherein the storage assembly further comprises a storage box arranged on the workbench, the storage space is inside the storage box, and the storage box is provided with a plurality of guide rods. 4 . 4. The nickel sheet feeding machine according to claim 1, wherein the pick-up device comprises a moving mechanism capable of horizontal, rotating and lifting motions, the moving mechanism is connected with a picking-up assembly, and the picking-up assembly includes a moving mechanism connected to the moving mechanism. There is a connecting plate, the connecting plate is connected with an adsorption plate through a plurality of connecting columns, a plurality of transverse air flow grooves are arranged in the middle of the adsorption plate, and plugs are respectively provided at both ends of the transverse air flow groove; the side of the adsorption plate is provided with a plurality of Longitudinal air flow groove, the longitudinal air flow groove is communicated with the horizontal air flow groove, and the two ends of the longitudinal air flow groove are respectively provided with plugs; the upper end of the adsorption plate is provided with a plurality of sets of upper vertical adsorption grooves, the upper vertical adsorption groove and the horizontal air flow The upper vertical adsorption tank is connected with an adapter for connecting with the suction pipe, the lower end of the adsorption plate is provided with a plurality of lower vertical adsorption tanks, the lower vertical adsorption tank is communicated with the horizontal airflow tank, and the lower vertical adsorption tank is connected There are suction heads. 5. The nickel sheet feeding machine according to claim 1, wherein the detection mechanism comprises a support rod, the upper end of the support rod is connected with a detection bottom plate, and the lower end of the detection bottom plate is connected with several for detecting the thickness of the nickel sheet. For a height displacement sensor, the detection bottom plate is provided with a detection hole matched with the height displacement sensor, and the sensing head of the height displacement sensor extends out of the detection hole. 6. The nickel sheet feeding machine according to claim 1, wherein the detection mechanism comprises a support rod, the upper end of the support rod is connected with a detection base plate, the detection base plate is provided with a detection base plate, and a detection base plate is provided between the detection base plate and the detection base plate. Gravity sensor. 7 . The nickel sheet feeding machine according to claim 1 , wherein the conveying mechanism comprises a carrier for loading nickel sheets, an upper conveying frame and a lower conveying frame, and the upper conveying frame includes two sides arranged on both sides. 8 . There are several upper longitudinal beams arranged at intervals between the upper horizontal frames on both sides; the upper horizontal frame is provided with an upper synchronous transmission mechanism, and an upper transmission shaft is arranged between the two upper synchronous transmission mechanisms. The moving shaft is connected with an upper motor; the lower conveying frame includes a lower horizontal frame arranged on both sides, the lower horizontal frame is located below the upper horizontal frame, a support plate is arranged between the lower horizontal frame and the corresponding upper horizontal frame, and the two sides There are several lower longitudinal beams arranged at intervals between the lower horizontal frames; the lower horizontal frame is provided with a lower synchronous transmission mechanism, a lower transmission shaft is arranged between the two lower synchronous transmission mechanisms, and the lower transmission shaft is connected with a lower motor; When the carrier is located on the upper conveying frame, the two ends of the carrier are respectively connected with the two upper synchronous transmission mechanisms; when the carrier is located on the lower conveying frame, the two ends of the carrier are respectively connected with the two lower synchronous transmission mechanisms. 8. The nickel sheet feeding machine according to claim 7, wherein the upper synchronous transmission mechanism comprises an upper driving pulley and an upper driven pulley arranged on both sides of the upper horizontal frame; The upper driven pulley is connected, and the upper driving pulleys on both sides are connected through the upper transmission shaft; the lower synchronous transmission mechanism includes the lower driving pulley and the lower driven pulley arranged on both sides of the lower horizontal frame; The lower driven pulley is connected, and the lower driving pulleys on both sides are connected through the lower transmission shaft. 9 . The nickel sheet feeding machine according to claim 7 , wherein the conveying mechanism further comprises a jacking and positioning mechanism for positioning the carrier, and the jacking and positioning mechanism comprises an upper conveying frame and a lower conveying mechanism. 10 . The receiving plate between the frames, the two sides of the receiving plate are respectively connected with support legs; the receiving plate is connected with a plurality of pillars, the upper end of the pillar is connected with a middle plate, the middle plate is connected with a cylinder, and the push rod of the cylinder is upward and connected There is a lift plate, the lower end of the carrier is provided with a positioning hole, and the lift plate is provided with a positioning column matched with the positioning hole. 10 . The nickel sheet feeding machine according to claim 9 , wherein the intermediate plate is connected with a plurality of linear bearings, the linear bearings are sleeved with guide posts, and the upper ends of the guide posts are connected with the lift plate. 11 .

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