CN114334552A - Square fuse automatic assembly machine and square fuse automatic assembly method - Google Patents

Abstract

The invention discloses an automatic square fuse assembling machine and an automatic square fuse assembling method, wherein the automatic square fuse assembling machine comprises a machine table, the machine table is provided with a first conveying device, a second conveying device, a copper strip processing device, a single sheet conveying device, a single sheet bending device, an assembling lower seat device, a conveying track, a hole expanding device, a detection device, an assembling upper cover device and a finished product conveying device, wherein the copper strip processing device processes a copper strip into a single copper sheet, the single sheet conveying device conveys the single copper sheet processed by the copper strip processing device to the single sheet bending device to bend the single copper sheet into a U shape at two sides of the middle part, so as to obtain a bent copper sheet, assembling a lower seat device to mount the bent copper sheet on the lower seat so as to obtain a semi-finished product, and respectively finishing the processes of reaming, detecting and assembling an upper cover on the semi-finished product which is pushed forwards by the second conveying device along the conveying track in a stepping manner; the front end of the finished product conveying device is connected with the tail end of the conveying track in a bearing mode so as to output finished products. The invention has high assembly efficiency and low labor cost.

Description

Square fuse automatic assembly machine and square fuse automatic assembly method

technical field

The invention relates to the technical field of fuse assembly, in particular to an automatic assembly machine of a square fuse and an automatic assembly method of a square fuse.

Background technique

A fuse is a protective device that can protect electronic equipment from overcurrent damage, and can also avoid serious damage caused by internal faults in electronic equipment. It is an electrical component installed in the circuit to ensure the safe operation of the circuit. Now as products become smaller and more integrated, the shape and size of fuses are also very different from traditional fuses. According to the structure classification, it can be divided into flat fuse, insert fuse, square fuse, chip fuse, etc. The square fuse includes a copper sheet as a melt, a lower seat and an upper cover. The inner copper sheet has two terminals, which correspond to the two holes at the bottom of the lower seat. When installing, the copper sheet is installed on the lower seat. Each terminal is correspondingly inserted into the two holes of the lower seat, the copper sheet and the lower seat are fixed by a buckle structure, and then the upper cover is installed on the top of the lower seat.

At present, the assembly process of the square fuse involves multiple processes, and the multiple processes cannot be automatically and continuously coordinated, and some processes need to be processed by manual operation of equipment. This assembly method not only leads to high labor intensity, but also causes the square fuse assembly efficiency. low quality and unstable quality, resulting in high costs and reduced competitiveness.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies existing in the prior art, and to provide a square fuse automatic assembly machine and a square fuse automatic assembly method.

In order to achieve the above purpose, the technical scheme of the present invention is:

An automatic assembling machine for square fuses, comprising a machine table, which is equipped with a first conveying device, a second conveying device, a copper tape processing device, a single-piece feeding device, a single-piece bending device, an assembly lower seat device, and a conveying track , hole reaming device, detection device, assembling cover device and finished product conveying device, the copper strip processing device processes the copper strip into a single copper sheet, and the single sheet feeding device transports the single copper sheet processed by the copper strip processing device to the The single-piece bending device bends a single copper sheet into a U shape on both sides of the middle part to obtain a bent copper sheet, and the lower seat device is assembled to install the bent copper sheet on the lower seat to obtain a semi-finished product. The reaming device , detection device, and cover assembly device are arranged in sequence along the conveying track, and respectively complete the corresponding process for the semi-finished product pushed forward by the second conveying device along the conveying track; the front end of the finished product conveying device receives the end of the conveying track , to output the finished product.

In some embodiments, the single-piece bending device includes a pressing cylinder, a support rod and a pressing piece, a groove is provided in the middle of the pressing rod, the support rod fixes the middle part of the single copper sheet, and the pressing The cylinder drives the pressing piece to move, and the two sides of the middle part of the single copper sheet on the support rod are respectively bent downward to form two opposite terminals.

In some embodiments, the device for assembling the lower seat includes a first vibrating plate for conveying the lower seat, a lower seat rail connecting the output end of the first vibrating plate, a device for lifting the lower seat, a U-shaped claw, a first tablet pressing cylinder, Limiting cylinder, press-in cylinder, second sheet-pressing cylinder and copper sheet carrier; the seat-lifting device lifts the lower seat transmitted from the first vibrating plate and the lower-seat rail, and the piston rod of the first sheet-pressing cylinder downward, and is connected with the first pressing seat; the copper sheet carrier is used to receive the bent copper sheet conveyed from the support rod. When the copper sheet carrier is located directly below the first pressing seat, the The U-shaped claw clamps the lower seat from the lifting and lowering seat device and transfers it to the bottom of the copper sheet carrier and fixes it, and the first pressing cylinder drives the first pressing seat to press half of the terminal of the bent copper sheet into In the lower seat, the limit cylinder shrinks to separate the copper sheet carrier from the bent copper sheet, and the press-in cylinder extends to completely press the bent copper sheet into the lower seat; the piston rod of the second sheet-pressing cylinder faces down, and A second tablet pressing seat is connected, and the second tablet pressing cylinder drives the second tablet pressing seat to completely press the bent copper sheet into the lower seat to obtain a semi-finished product.

In some embodiments, the reaming device includes a primary reaming device and a secondary reaming device installed in sequence along the conveying direction of the second conveying device, and both the primary reaming device and the secondary reaming device include a first reaming device and a secondary reaming device. A fixing seat, a reaming piece and a reaming cylinder, the first fixing seat fixes the mounting end of the bent copper sheet in the semi-finished product, and the reaming cylinder drives the reaming piece to insert the opposite bending copper sheet from the two holes at the bottom of the lower seat of the semi-finished product The terminals are reamed.

In some embodiments, the detection device includes a loosening detection mechanism, a defective product sorting mechanism, a power-on detection mechanism, a power-on defective product sorting mechanism, and a first visual detection mechanism, which are sequentially installed along the conveying direction of the second conveying device. mechanism and a first appearance defective product sorting mechanism, the loosening detection mechanism includes a second fixed seat, two first probes and a first detection cylinder, the second fixed seat fixes the installation end of the bent copper sheet in the semi-finished product, and the first A detection cylinder drives two first probes into the two holes at the bottom of the lower seat of the semi-finished product to detect the tightness of the bent copper sheet and the lower seat. The power-on detection mechanism includes a third fixed seat, two second probes and a second detection cylinder, the third fixed seat fixes the installation end of the bent copper sheet in the semi-finished product, and the second detection cylinder drives the two second probes Insert the two holes at the bottom of the lower seat of the semi-finished product to check whether it can be electrically connected. Semi-finished products are selected.

In some embodiments, a cover feeding device is also included, and the upper cover assembling device includes a moving cylinder, an upper cover assembling cylinder and a negative pressure suction block, the moving cylinder is arranged on one side of the upper cover feeding device, and the upper cover is assembled The piston rod of the cylinder faces downwards and is connected to the negative pressure suction block. The upper cover assembly cylinder is driven by the moving cylinder, so that the negative pressure suction block sucks the upper cover from the upper cover feeding device and transports it to the corresponding semi-finished product. At the upper cover assembly station, the upper cover assembly cylinder presses down, and the upper cover sucked by the negative pressure suction block is inserted into the lower seat of the semi-finished product.

In some embodiments, after the upper cover device is assembled, a second visual inspection mechanism and a second appearance defective product sorting mechanism are further provided, and the second appearance defective product sorting mechanism selects the semi-finished products that are poorly detected by the second visual inspection mechanism. out.

In some embodiments, the finished product conveying device includes a laser coding device and a finished product counting and blanking device, and the laser coding device is arranged on the conveying track to receive and mark the qualified products detected by the second visual inspection mechanism and mark them. It is pushed to the finished product counting and blanking device. The front end of the finished product counting and blanking device receives the conveying track and is provided with a counter.

In some embodiments, the second conveying device includes a first conveying assembly, a second conveying assembly and a third conveying assembly, the first conveying assembly conveys the semi-finished product to the upper cover assembly station, and the second conveying assembly The assembly is located at the rear side of the first conveying assembly, the second conveying assembly is used to convert the semi-finished products with the upper cover from the one-by-one push mode to several together in a batch mode, and the third conveying assembly is located in the first conveying assembly. The rear side of the second conveying assembly is used to push the semi-finished products with the upper cover in batches to the second visual inspection and subsequent work stations.

In some embodiments, the copper strip processing device includes a tin spotting device, a spot tin visual inspection mechanism, a cleaning device, a drying device, a copper sheet cutting device, a tin spotting device, a spot tin visual inspection mechanism, a cleaning device, a drying device The device and the copper sheet cutting device are arranged in sequence along the conveying direction of the first conveying device, and respectively complete the corresponding process for the copper tape conveyed by the first conveying device.

In some embodiments, the first conveying device includes a carousel-feeding continuous belt device, a shaping device and a positioning needle feeding copper belt device, and the carousel feeding continuous belt device, the shaping device and the positioning needle feeding copper belt device are sequentially distributed along the conveying direction, The positioning needle feeding copper belt device is located between the tin spotting device and the spot tin visual inspection mechanism; the shaping device is located between the tin spotting device and the turntable feeding continuous belt device, and the continuous belt feeding device to the turntable The conveyed copper belt is shaped.

An automatic assembly method for a square fuse, using the above-mentioned automatic assembly machine for a square fuse, comprising the following steps:

1) The first conveying device transports the copper strip to the copper strip processing device for processing to obtain a single copper sheet;

2) The single-piece sending device transports the copper sheet to the single-piece bending device, and the single-piece bending device bends the copper sheet into a U shape on both sides of the middle part to obtain a bent copper sheet;

3) Install the bent copper sheet on the lower seat where the lower seat device is assembled to obtain a semi-finished product, which is pushed forward by the second conveying device along the conveying track to the reaming device and the detection device for reaming and detection;

4) The second conveying device pushes the reamed and qualified semi-finished products to the upper cover assembly station, and the upper cover assembly device inserts the upper cover on the lower seat of the semi-finished product;

5) The finished product conveying device outputs the assembled finished product.

In some embodiments, in the step 2, the single-piece bending device first presses half of the terminal of the bent copper sheet into the lower seat, and then performs secondary pressing to completely press the bent copper sheet into the lower seat.

In some embodiments, the reaming in step 3 uses a primary reaming device and a secondary reaming device to ream the semi-finished product twice, and the detection in step 3 uses a loosening detection mechanism, a power-on detection mechanism and The first visual inspection mechanism performs loosening inspection, power-on inspection and visual inspection on the semi-finished product respectively.

In some embodiments, the step 1 further includes: using a spot tin device to perform spot tin treatment on the copper tape, and visually inspect the copper tape treated by the spot tin device with a spot tin visual inspection device; The copper strip after tin spotting is cleaned by a cleaning device and dried by a drying device; the step 3 further includes: using a sorting mechanism for defective products in sheet loading to sort out the semi-finished products that are not detected by the loosening detection mechanism, and use electricity The defective product sorting mechanism sorts out the semi-finished products that are poorly detected by the power-on detection mechanism, and uses the first appearance defective product sorting mechanism to sort out the semi-finished products that are poorly detected by the first visual inspection mechanism; the step 4 also includes: using a second The visual inspection mechanism inspects the semi-finished products with the upper cover, and the second visual inspection defective product sorting mechanism is used to sort out the semi-finished products with poorly assembled upper covers.

In some embodiments, the second conveying device pushes the semi-finished products one by one to the upper cover assembly station, and pushes the semi-finished products with the upper cover to the second visual inspection and subsequent stations in batches.

Compared with the prior art, the beneficial effects of the present invention are:

(1) The square fuse automatic assembly machine provided by the present invention can realize the automatic production of each processing procedure of the square fuse, thereby greatly reducing the labor intensity, improving the assembly efficiency, and ensuring the assembly quality of the square fuse.

(2) The present invention further sorts the defective products generated in the assembly process through devices such as loosening detection mechanism, power-on detection mechanism and visual detection mechanism to ensure that the finished products output by the finished product conveying device are qualified products.

(3) The present invention uses a single-piece bending device to bend a single copper sheet into a U shape on both sides of the middle part to obtain a bent copper sheet, and presses half of the terminals of the bent copper sheet by assembling the lower seat device Put the bent copper sheet into the lower seat, and press it again to make the bent copper sheet completely fit into the lower seat.

(4) The second conveying device in the present invention can not only realize the step-by-step push of the semi-finished products, which facilitates the completion of the corresponding processing procedures, but also enables the semi-finished products equipped with the upper cover to be converted from the one-by-one push mode to the batch push mode, which is convenient for subsequent loading and unloading. Semi-finished products with upper covers are pushed to subsequent stations in batches, thereby further improving work efficiency.

Description of drawings

1 is a schematic structural diagram of a square fuse automatic assembly machine according to an embodiment of the present invention;

Fig. 2 is the structural representation of the turntable feeding continuous belt device of the square fuse automatic assembly machine of the embodiment of the present invention;

3 is a schematic structural diagram of a positioning pin feeding device for copper tape of a square fuse automatic assembly machine according to an embodiment of the present invention;

4 is a schematic structural diagram of a shaping device of a square fuse automatic assembly machine according to an embodiment of the present invention;

5 is a schematic structural diagram of a spot tin device of a square fuse automatic assembly machine according to an embodiment of the present invention;

6 is a schematic structural diagram of a spot tin visual detection mechanism of a square fuse automatic assembly machine according to an embodiment of the present invention;

7 is a schematic structural diagram of a cleaning device of a square fuse automatic assembly machine according to an embodiment of the present invention;

8 is a schematic structural diagram of a drying device of a square fuse automatic assembly machine according to an embodiment of the present invention;

9 is a schematic structural diagram of a copper tape cutting device of a square fuse automatic assembly machine according to an embodiment of the present invention;

10 is a schematic structural diagram of a single-piece feeding device of a square fuse automatic assembly machine according to an embodiment of the present invention;

11 is a schematic structural diagram of a single-piece bending device of a square fuse automatic assembly machine according to an embodiment of the present invention;

FIG. 12 is a schematic structural diagram I of an assembling lower seat device of a square fuse automatic assembling machine according to an embodiment of the present invention;

FIG. 13 is a schematic structural diagram II of the assembly lower seat device of the square fuse automatic assembly machine according to the embodiment of the present invention;

14 is a schematic structural diagram III of the assembling lower seat device of the square fuse automatic assembling machine according to the embodiment of the present invention;

15 is a schematic structural diagram IV of an assembling lower seat device of a square fuse automatic assembling machine according to an embodiment of the present invention;

16 is a schematic structural diagram of a hole reaming device of a square fuse automatic assembly machine according to an embodiment of the present invention;

17 is a schematic structural diagram of a loosening detection mechanism of a square fuse automatic assembly machine according to an embodiment of the present invention;

18 is a schematic structural diagram of a sorting mechanism for defective chip loading of a square fuse automatic assembly machine according to an embodiment of the present invention;

19 is a schematic structural diagram of a power-on detection mechanism of a square fuse automatic assembly machine according to an embodiment of the present invention;

20 is a schematic structural diagram of a first visual detection mechanism of a square fuse automatic assembly machine according to an embodiment of the present invention;

21 is a schematic structural diagram of a cover feeding device and an assembling cover device of a square fuse automatic assembling machine according to an embodiment of the present invention;

22 is a schematic structural diagram of a second visual inspection mechanism of a square fuse automatic assembly machine according to an embodiment of the present invention;

23 is a schematic structural diagram of the second appearance defective product sorting mechanism of the square fuse automatic assembly machine according to the embodiment of the present invention;

24 is a schematic structural diagram of a laser coding device of a square fuse automatic assembly machine according to an embodiment of the present invention;

25 is a schematic structural diagram of a finished product counting and blanking device of a square fuse automatic assembly machine according to an embodiment of the present invention;

26 is a schematic structural diagram of a second conveying device of a square fuse automatic assembly machine according to an embodiment of the present invention;

FIG. 27 is a schematic structural diagram of a first conveying assembly of a square fuse automatic assembly machine according to an embodiment of the present invention;

28 is a schematic structural diagram of the second conveying assembly of the square fuse automatic assembly machine according to the embodiment of the present invention;

FIG. 29 is a schematic structural diagram of the third conveying assembly of the square fuse automatic assembly machine according to the embodiment of the present invention.

Detailed ways

The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. The accompanying drawings of the present invention are only schematic diagrams to facilitate the understanding of the present invention, and the specific proportions thereof can be adjusted according to design requirements. Those skilled in the art should understand that the upper and lower relationship of the relative elements in the graphics described in the text and the definition of the front/back side refer to the relative positions of the components, so they can all be turned over to present the same components, which shall belong to the same category. the scope disclosed in the specification.

1-29, a square fuse automatic assembly machine of the present invention includes a machine table 30, and the machine table 30 is equipped with a first conveying device, a second conveying device 28, a copper tape processing device, a single-piece feeding device 09, The single-piece bending device 10, the assembly lower seat device, the conveying track 40, the reaming device, the detection device, the assembly upper cover device and the finished product conveying device, the copper strip processing device processes the copper strip into a single copper sheet, and the feeding The single-piece device 09 transports the single copper sheet processed by the copper strip processing device to the single-piece bending device 10 to bend the single copper sheet into a U shape on both sides of the middle part to obtain the bent copper sheet, and the lower seat device is assembled to fold the sheet. The bent copper sheet is installed on the lower seat to obtain a semi-finished product. The reaming device, the detection device, and the upper cover assembly device are arranged in sequence along the conveying track, and are respectively aligned with the second conveying device 28 along the conveying track 40. The semi-finished products pushed forward step by step to complete the corresponding process; the front end of the finished product conveying device undertakes the end of the transmission track to output the finished product.

In a specific embodiment, the copper strip processing device includes a spot tin device 04, a spot tin visual inspection mechanism 05, a cleaning device 06, a drying device 07, a copper sheet cutting device 08, a spot tin device 04, and a spot tin visual inspection device. The mechanism 05, the cleaning device 06, the drying device 07, and the copper sheet cutting device 08 are arranged in sequence along the conveying direction of the first conveying device, and respectively complete the corresponding process for the copper tape conveyed by the first conveying device. The present invention also includes a controller (not shown in the figure), which is specifically a PLC controller for controlling coordinated actions of various devices.

In a specific embodiment, the first conveying device includes a turntable feeding continuous belt device 01, a shaping device 02 and a positioning needle feeding copper belt device 03, a rotary continuous belt feeding device 01, a shaping device 02 and a positioning needle feeding copper belt device 03 are distributed in turn along the conveying direction, and the positioning needle feeding copper belt device 03 is located between the spot tin device 04 and the spot tin visual inspection mechanism 05; the shaping device 02 is located between the spot tin device 04 and the turntable to send continuous Between the belt devices 03, the copper belt conveyed by the turntable continuous belt device 03 is shaped. Specifically, the positioning needle copper tape feeding device 03 sequentially transports the copper tape to the shaping station, the spot tin station, the spot tin visual inspection station, and the cleaning station.

In a specific embodiment, as shown in FIG. 2 , the continuous belt feeding device 01 from the turntable includes a first bracket 011, a turntable 012, a motor 013 and a clamping roller assembly 014, and the turntable 012 and the motor 013 are both arranged on the first bracket 011, and the turntable 012 is driven by the motor 013, and the clamping roller assembly 014 is located on the front side of the turntable 012. The clamping roller assembly 014 includes two parallel distributed clamping rollers. There is a gap between the two clamping rollers to facilitate the turntable. The copper tape output on the 012 goes through.

In a specific embodiment, as shown in FIG. 3 , the shaping device 02 includes a shaping cylinder 021 and a shaping block 022. The piston rod of the shaping cylinder 021 faces vertically downward, and is connected to the shaping block 022. The middle position of the copper strip 50 is pressed and shaped, so as to avoid the unevenness of the middle of the copper strip 50 from affecting the quality.

In a specific embodiment, as shown in FIG. 4 , the positioning needle copper belt feeding device 03 includes a copper belt support rail 031, a plurality of positioning needle assemblies 032, a conveying cylinder 034 and a thimble cylinder 035, and the plurality of positioning needle assemblies 032 are arranged on the A fixed plate 033, distributed along the conveying direction and matched under the copper belt support rail 031; the conveying cylinder 034 is connected to the fixed plate 033, and the conveying cylinder 034 drives the fixed plate 033 to telescopically move along the length direction of the support rail; the ejector pin cylinder 035 is connected to The conveying cylinder 034, the thimble cylinder 035 drives the conveying cylinder 034 and the fixing plate 033 to telescopically move in the up-down direction. The number of the positioning needle assemblies 032 is specifically two, and each positioning needle assembly 032 includes a needle plate 0321 and two rows of positioning needles arranged on the top surface of the needle plate 0321 respectively. The two rows of positioning needles are distributed left and right, and each row includes several Several positioning pins 0322 are distributed in the conveying direction of the first conveying device, and the spacing between adjacent positioning pins is appropriate to the spacing between adjacent small holes on both sides of the copper tape 50, so that each positioning pin 0322 can pass through the corresponding position on the copper tape 50. The top of the positioning pin 0322 is tapered, so that it can quickly pass through the corresponding small hole on the copper tape 50. During operation, the ejector pin cylinder 035 first lifts up the conveying cylinder 034, the fixing plate 033 and each positioning pin assembly 032, so that the tops of the positioning pins 0322 of the two positioning pin assemblies 032 respectively pass through the corresponding small holes on the edge of the copper tape 50, The copper strip 50 is jacked up, and then, the piston rod of the conveying cylinder 034 extends forward, pushing the fixing plate 033 and each positioning pin assembly 032 to move forward, thereby moving the copper strip 50 forward by a certain displacement; then, the ejector pin cylinder 035 The piston rod of the conveying cylinder 034 shrinks, so that each positioning needle 0322 moves downward and is separated from the copper belt 50. Then, the piston rod of the conveying cylinder 034 shrinks, which drives the fixing plate 033 and each positioning needle assembly 032 to reset. In this way, by repeating the above-mentioned actions, the positioning needle feeding copper tape device 03 can realize the step-by-step pushing process of the copper tape 50 .

In a specific embodiment, as shown in FIG. 5 , the tin spotting device 04 includes an electric soldering iron 041, a tin feeding component (not shown in the figure), a tin spotting cylinder 042, a translational cylinder (not shown in the figure), a set of On the second support 043 on the machine table 30, the translation cylinder (not shown in the figure) is horizontally arranged on the second support 043, and its piston rod is connected to the point tin cylinder 042 to move horizontally with the driving point tin suction cylinder; The tin piston rod faces down and is connected to the electric soldering iron 041. The electric soldering iron 041 is arranged vertically with its soldering iron tip facing down;

In a specific embodiment, as shown in FIG. 6 , the spot tin visual inspection device 05 includes a first optical component 051 and a first support bracket 052 , the first support bracket 052 supports the first optical component 051 , and the first optical component The output of 501 is connected to the controller. During operation, the spot tin visual inspection device 05 continuously obtains the image of the copper strip after the spot tin, and transmits it to the back-end controller for processing. In the case of tin, the controller controls the entire assembly machine to stop the operation, and issues an alarm, and the staff handles the fault.

In a specific embodiment, as shown in FIG. 7 , the cleaning device 06 includes an ultrasonic cleaning box 061 and a box cover (not shown in the figure) connected to the top of the ultrasonic cleaning box 061. The opposite sides of the ultrasonic cleaning box 061 The walls are respectively provided with a through opening 062 for the copper strip 50 to pass through. As shown in FIG. 8 , the drying device 07 includes a hot air blower 071 and a support table 072. The hot air blower 071 is arranged on the support table 072, and the air outlet of the hot air blower 071 faces the support table 072, so as to prevent the air from the support table. The copper strip 50 passed on the 072 is dried by hot air.

In a specific embodiment, as shown in FIG. 9 , the cutting device 08 includes a cutting cylinder 081 and two cutting knives (not shown in the figure). , and the piston rod of the cutting cylinder 081 faces, and connects two cutting knives, through which the two cutting knives cut the connected parts of the left and right ends of each copper sheet on the copper tape to obtain a single copper sheet. As shown in Figure 10, the single-piece feeding device 09 includes two ejectors (not shown in the figure), a first single-piece feeding cylinder 091 and a second single-piece feeding cylinder 092, the first single-piece feeding cylinder 091 is vertically arranged, The piston rod faces upwards and connects with two ejectors. The second single-piece feeding cylinder 092 is horizontally arranged and connected with the first single-piece feeding cylinder 091 to drive the first single-piece feeding cylinder 091 and the two thimbles to move. When working, the piston rod of the first single-piece feeding cylinder 091 extends upwards, so that the tops of the two thimbles pass through the copper sheet 60 at the cutting station respectively, and the copper sheet 60 is lifted up. Then, the second single-piece feeding cylinder 092 moves to move the two thimbles to the single-piece bending station (that is, the following support rod), and at the station where the lower seat is assembled, the piston rod of the first single-piece air cylinder 091 shrinks downward, making the two thimbles down Copper sheet, leave the copper sheet 60 on the station where the lower seat is assembled, and the second single sheet feeding cylinder 092 drives the first single sheet feeding cylinder 091 and the two thimbles to reset to carry out the next copper sheet delivery.

In a specific embodiment, as shown in FIG. 11 , the single-piece bending device 10 includes a pressing cylinder 101 , a support rod 102 and a pressing part 103 , a groove is provided in the middle of the pressing rod 103 , and the groove is opened Matching with the bend of a single copper sheet, the support rod 102 fixes the middle part of the single copper sheet, and the pressing cylinder 101 drives the pressing piece 103 to move downward to move the single copper sheet 70 on the support rod 102 The two sides of the middle part of the copper plate are respectively bent to form two opposite terminals, and the bent copper sheet 70 is obtained. As shown in Figures 12 and 13, the lower seat assembly device includes a first vibrating plate 11 for conveying the lower seat, a lower seat rail 111 connecting the output end of the first vibrating plate, a lower seat lifting device 112, and a U-shaped claw (Fig. (not shown in), the first sheet-pressing cylinder 13, the limit cylinder 12, the press-in cylinder 113, the second sheet-pressing cylinder 14 and the copper sheet carrier 114; The lower seat conveyed by the lower seat rail 12 is lifted and fixed, the piston rod 131 of the first tablet pressing cylinder 13 faces downward, and is connected with the first tablet pressing seat 132; the copper sheet carrier 114 is used to receive the support rod 102 The conveyed bent copper sheet 70, when the copper sheet carrier 114 is located directly under the first sheet pressing seat 132, the U-shaped claw clamps the lower seat 80 from the lower seat lifting device 112 and transfers it to the copper sheet The first tablet pressing cylinder 13 drives the first pressing seat 132 to press the half of the terminal of the bent copper sheet 70 into the lower seat 80 , as shown in FIG. 14 . When the limiting cylinder 12 contracts, the copper sheet carrier 114 is separated from the bending copper sheet 70, and the pressing cylinder 113 extends to completely press the bending copper sheet 70 into the lower seat 80; as shown in FIG. 15, the second sheet pressing cylinder The piston rod 141 of 14 faces downward and is connected with a second tablet pressing seat 142. The second tablet pressing cylinder 14 drives the second tablet pressing seat 142 to completely press the bent copper sheet 70 into the lower seat 80 to obtain a semi-finished product.

In a specific embodiment, as shown in FIG. 16 , the hole reaming device includes a primary hole reaming device 15 and a secondary hole reaming device 16 sequentially installed along the conveying direction of the second conveying device. The primary hole reaming device 15 The structure of the secondary hole reaming device 16 is the same, both of which include a first fixing seat 151, a hole reaming member 152 and a hole reaming cylinder 153. The first fixing seat 151 fixes the mounting end of the bent copper sheet in the semi-finished product, and the hole is enlarged. The cylinder 153 drives the reaming member to be inserted into the two holes at the bottom of the lower seat of the semi-finished product to ream the terminals of the bent copper sheet.

In a specific embodiment, the detection device includes a loosening detection mechanism 17 , a defective product sorting mechanism 18 , a power-on detection mechanism 19 , and a power-on defective product sorting mechanism 20 , which are sequentially installed along the conveying direction of the second conveying device. , a first visual inspection mechanism 21 and a first appearance defective product sorting mechanism 22 . As shown in FIG. 17 , the loosening detection mechanism 17 includes a second fixing seat 171 , two first probes 172 and a first detecting cylinder 173 . The second fixing seat 171 fixes the installation end of the bent copper sheet in the semi-finished product. A detection cylinder 173 drives two first probes 172 to be inserted into the two holes at the bottom of the lower seat of the semi-finished product to detect the tightness of the bent copper sheet and the lower seat. Defective semi-finished products are selected. As shown in FIG. 18 , the defective product sorting mechanism 18 includes a first horizontal cylinder 181 , a first vertical cylinder 182 , a first clamping cylinder 183 and a first clamping jaw 184 , and the first vertical cylinder 182 is connected to The first clamping jaw 184 drives the first clamping jaw 184 to move up and down, and the first horizontal cylinder 181 is connected to the first vertical cylinder 182 to drive the first vertical cylinder 182 and the first clamping jaw 184 to move horizontally. When the loosening detection mechanism 17 detects that the bent copper sheet and the lower seat are poorly assembled, the assembly lower seat defective product sorting device 18 is activated to clamp the lower seat assembly defective products. As shown in FIG. 19, the power-on detection mechanism 19 includes a third fixed seat 191, two second probes 192 and a second detection cylinder 193. The third fixed seat 191 fixes the installation end of the bent copper sheet in the semi-finished product, and the second The detection cylinder 193 drives the two second probes to be inserted into the two holes at the bottom of the lower seat of the semi-finished product to detect whether it can be electrically connected. The sorting mechanism 22 selects the semi-finished products that are not detected by the first visual inspection mechanism 21 . The principle and structure of the first appearance defective product sorting mechanism 22 and the electrified defective product sorting mechanism 20 are similar to those of the film-loaded defective product sorting device 18 , which will not be repeated here. As shown in FIG. 20 , the first visual inspection mechanism 21 includes a second optical assembly 211 and a second support bracket 212 , the first support bracket 211 supports the first optical assembly 212 , and the output of the first optical assembly 212 is connected to the controller . During operation, the first visual inspection mechanism 21 continuously acquires images of semi-finished products, transmits them to the back-end controller for processing, and sorts out the semi-finished products with poor appearance inspection through the first defective appearance sorting mechanism 22 .

In a specific embodiment, as shown in FIG. 21 , a cap feeding device 23 is further included, and the cap feeding device 23 includes a second vibrating disc 231 for conveying the cap, a vibrating disc 231 connected to the output end of the second vibrating disc 231 . The upper cover rail 232 and the receiving table 233 ; the end of the upper cover rail 232 is connected to the receiving table 233 to transfer the upper cover to the receiving table 233 . The upper cover assembling device 24 includes a moving cylinder 241, an upper cover assembling cylinder 242 and a negative pressure suction block 243. The moving cylinder 241 is arranged on one side of the upper cover feeding device 23, and the piston rod of the upper cover assembling cylinder 242 faces downwards. , and connect the negative pressure suction block 243, the upper cover assembly cylinder 242 is driven by the moving cylinder 241, so that the negative pressure suction block 243 sucks the upper cover from the upper cover feeding device 23, and transports it to the corresponding semi-finished product At the upper cover assembly station, at the upper cover assembly station, the upper cover assembly cylinder 242 is pressed down, and the upper cover sucked by the negative pressure suction block 243 is inserted into the lower seat of the semi-finished product. After the upper cover device 24 is assembled, a second visual inspection mechanism 25 and a second appearance defective product sorting mechanism 26 are also provided. . Specifically, as shown in FIG. 22 , the second visual detection mechanism 25 includes a third optical assembly 251 and a third support bracket 252 , and the third optical assembly 251 is disposed on the third support bracket 252 . As shown in FIG. 23 , the second defective appearance sorting mechanism 26 includes a second horizontal cylinder 261 , a second vertical cylinder 262 and a clamping assembly composed of a plurality of first clamping cylinders 263 and first clamping jaws 264 265, the second vertical cylinder 262 is connected to the clamping assembly 265 to drive the first clamping jaw 264 to move up and down, and the second horizontal cylinder 261 is connected to the second vertical cylinder 262 to drive the second vertical cylinder 262 and the clamping assembly 265 Move horizontally. When the second visual detection mechanism 25 detects that the upper cover is not assembled properly, the second visual detection mechanism 25 is activated, and the second visual detection mechanism 25 picks up the defective upper lid assembled products and puts them into the collection box 164 of the defective upper lid assembled products.

In a specific embodiment, as shown in FIGS. 24 and 25 , the finished product conveying device includes a laser coding device 27 and a finished product counting and blanking device 29 , and the laser coding device 27 is arranged on the conveying track 40 to receive The qualified products detected by the second visual inspection mechanism 25 are marked and pushed to the finished product counting and blanking device 29. The laser marking device 27 includes a laser 271 and a bracket 272. The front end of the finished product counting and blanking device 29 receives the conveying track 40 and is set There is a counter 291, a lower hopper 292 is arranged at the rear end of the finished product counting and blanking device 29, and a finished product collection box 293 is arranged below the lower hopper.

In a specific embodiment, as shown in FIG. 26 , the second conveying device 28 includes a first conveying component 281 for pushing the semi-finished products step by step, and for pushing the semi-finished products with the upper cover from the one-by-one pushing mode Converted into several second conveying components 282 in a batch push mode together, used to push the semi-finished products with the upper cover to the second visual inspection station in batches and the products after the visual inspection to step forward to the first step. The three conveying assemblies 283 are sequentially distributed along the length direction of the conveying track 40 . The first conveying assembly 281 transports the semi-finished products to the reaming station, the loosening detection station, the power-on detection station, the first visual detection station, and the upper cover assembly station in sequence. The second conveying assembly 282 converts the semi-finished products with the upper cover from the one-by-one push mode to the four together batch push mode. The third conveying assembly 283 pushes the semi-finished products equipped with the upper cover in batches (four in one batch) to the second visual inspection station, and pushes the products that pass the visual inspection to the laser coders in batches in turn. bit, and finally output to the finished product counting blanking device 29. The first conveying assembly 281 conveys the semi-finished product to the upper cover assembly station, the second conveying assembly 282 is located at the rear side of the first conveying assembly 281, and the second conveying assembly 282 is used to The semi-finished products are transformed from the one-by-one push mode to several together in a batch mode. The third conveying assembly 283 is located at the rear of the second conveying assembly 282 and is used to push the semi-finished products with the upper cover to the back in batches. process.

In a specific embodiment, as shown in FIG. 27 , the first conveying assembly 281 includes a plurality of first U-shaped claws 2811 for pushing semi-finished products step by step, a first support plate 2812 , a first air cylinder 2813 and a first U-shaped jaw 2811 . Two air cylinders 2814, a plurality of first U-shaped jaws 2811 are arranged on the first support plate 2812 at intervals along the length direction of the conveying track 40, and fit on the conveying surface of the conveying track 40; the first air cylinder 2813 is connected to the first supporting plate 2812. The support plate 2812, the first air cylinder 2813 drives the first support plate 2812 and the first U-shaped jaws 2811 to telescopically move along the width direction of the transmission track 40; the second air cylinder 2814 is connected to the first air cylinder 2813, the second air cylinder 2814 2814 drives the first cylinder 2813 and the first support plate 2812 to telescopically move along the length direction of the conveying track 40 . During operation, the piston rod of the first air cylinder 2813 extends out, which drives each of the first U-shaped jaws 2811 to extend, and clamps the semi-finished products arranged on the conveying track 40. Then, the piston rod of the second air cylinder 2814 extends forward. , drive the first cylinder 2813 and the second U-shaped jaws to move the preset displacement, so that the semi-finished products arranged on the transmission track 40 move forward one step respectively; then, the piston rod of the first cylinder 2813 retracts, driving the first The U-shaped jaws 2811 are retracted to release the semi-finished product. Then, the piston rod of the second cylinder 2814 is retracted to drive the first cylinder 2813 and each of the second U-shaped jaws to reset, and the above actions are repeated. This cycle is repeated, and the semi-finished products can be pushed forward one by one. During the initial feeding, the first U-shaped jaw 2811 near the lower assembly station picks up the semi-finished product from the lower assembly station and pushes it forward. Semi-finished products, the plurality of semi-finished products are pushed forward one by one by the first conveying component 281 .

In a specific embodiment, as shown in FIG. 28 , the second conveying assembly 282 includes a first clamping plate 2822 , a third air cylinder 2821 and a fourth air cylinder 2823 , and the first clamping plate 2822 is provided with a number of steps for pushing The first U-shaped card slot of the semi-finished product equipped with the upper cover, the plurality of first U-shaped card grooves are distributed along the length direction of the conveying track 40 and fit on the conveying surface of the conveying track 40; the third cylinder 2821 Connected to the first clamping plate 2822, the third air cylinder 2821 drives the first clamping plate 2822 to telescopically move along the width direction of the conveying track 40, and the fourth air cylinder 2823 is connected to the third air cylinder 2821, and the fourth air cylinder 2823 drives the third air cylinder 2821 And the first card board 2822 is telescopically moved along the length direction of the conveying track 40 . During operation, the piston rod of the third air cylinder 2821 stretches out, driving the first U-shaped groove on the far right of the first clamping plate 2822 to clamp the first semi-finished product delivered by the first conveying assembly 281, and then the fourth cylinder 2823 The piston rod retracts, driving the third cylinder 2821 and the first card plate 2822 to move forward one step, and the first semi-finished product is moved to the position where the second first U-shaped card groove on the right side of the first card plate 2822 is clamped, and then the first The third air cylinder 2821 and the fourth air cylinder 2823 are reset, and the above actions are repeated, so that the first U-shaped groove on the far right of the first clamping plate 2822 is once again stuck to the second semi-finished product conveyed by the first conveying assembly 281, and moves forward One step of conveying is to move the second semi-finished product to the position where the second first U-shaped slot on the right side of the first card board 2822 is clamped. At this time, the first semi-finished product has been moved to the right side of the first card board 2822. The third and first U-shaped card slot is clamped at the position. In this way, after several repetitions, each first-type card slot of the first card plate 2822 holds a semi-finished product, and with the action of the fourth air cylinder 2823, the semi-finished product is pushed forward in batches.

In a specific embodiment, as shown in FIG. 29 , the third conveying assembly 283 includes a plurality of second clamping plates 2831 , a second supporting plate 2832 , a fifth air cylinder 2833 and a sixth air cylinder 2834 , and each second clamping plate 2831 The structure is consistent with the structure of the first card board 2822 (that is, the second card board 2831 is respectively provided with a number of third U-shaped card slots), the plurality of second card boards 2831 are arranged on the second support plate 2832, and along the conveying The length direction of the rail 40 is distributed and matched on the conveying surface of the conveying rail 40; the fifth cylinder 2833 is connected to the second supporting plate 2832, and the fifth cylinder 2833 drives the second supporting plate 2832 and each second clamping plate 2831 along the The conveying rail 40 is telescopic in the width direction; the sixth air cylinder 2834 is connected to the fifth air cylinder 2833 , and the sixth air cylinder 2834 drives the fifth air cylinder 2833 and the second supporting plate 2832 to telescopically move along the length of the conveying rail 40 . During operation, the piston rod of the fifth cylinder 2833 extends, driving the second clamping plates 2831 to extend, and jams the semi-finished products arranged on the conveying track 40. Then, the piston rod of the sixth cylinder 2834 contracts, driving the fifth cylinder 2834. The air cylinder 2833 and each second clamping plate 2831 move by a preset displacement, so that each second clamping plate 2831 respectively moves a plurality of semi-finished products with upper covers or products obtained by welding on the conveying track 40 forward in batches by one step; then, the first The piston rods of the fifth cylinders 2833 retract, driving the second clamping plates 2831 to retract; then, the piston rods of the sixth cylinder 2834 extend, driving the fifth cylinder 2833 and the second clamping plates 2831 to reset, and the above actions are repeated. This cycle is repeated, and the semi-finished products with the upper cover can be pushed to the second visual inspection station in batches (a batch of four), and the products that pass the visual inspection can be pushed forward in batches.

A kind of square fuse automatic assembly machine of the present invention, its working process is as follows:

The motor 013 starts to drive the turntable 012 and the copper tape roll on it to rotate. The copper tape 50 passes through the two clamping rollers, and is transported forward by the two positioning needle feeding copper tape device 03. The processes of tin, spot tin detection, cleaning, drying and cutting are performed to obtain a copper sheet 60 with spot tin in the middle. The copper sheet 60 is lifted by the two thimbles 091 of the single-piece feeding device 09 and conveyed to the single-piece bending device 10 for bending to obtain the bent copper sheet 70. The bent copper sheet is transferred by the support rod 102 to the lower seat device. On the copper sheet carrier 114, the lower seat is outputted by the first vibrating plate 11, and then cooperates with the lower seat lifting device 112, the U-shaped claw, the first sheet pressing cylinder 13, the limiting cylinder 12, and the pressing cylinder 113. The bent copper sheet 70 on the copper sheet carrier 110 is assembled with the lower seat 80 to obtain a semi-finished product. Next, the first conveying component 281 of the second conveying device 28 pushes the semi-finished product forward along the conveying track 40 step by step, and sequentially performs two rounds of hole reaming, loosening detection, sorting of defective products, power-on detection, and power-on defective products. After sorting, first visual inspection, and first appearance defective products are sorted, they arrive at the upper cover assembly station. The negative pressure suction block 243 sucks up the upper cover by negative pressure, and moves the upper cover to the upper cover assembly station by moving the cylinder 241. At the upper cover assembly station, the upper cover assembly cylinder 242 of the upper cover device 24 is assembled. Press down the suction block 243 and its adsorbed upper cover to complete the assembly of the upper cover. Then, the negative pressure suction block 243 releases the upper cover, the upper cover is assembled with the cylinder 242 and the moving cylinder 241 is reset, and the first conveying assembly 281 continues to move forward. The semi-finished product with the upper cover is pushed, so that the second visual inspection and the second appearance defective product sorting process are completed in sequence. The semi-finished products that have been assembled on the upper cover reach the second conveying assembly 282, are arranged and integrated by the second conveying assembly 282, converted into a batch (four in one batch) step-by-step push mode, and continue to move forward by the third conveying assembly 283 Step by step, so as to complete the second visual inspection, the second appearance of defective product sorting, and laser coding in sequence. Finally, the laser-coded product is the finished product, which is pushed forward by the feeder of the finished product counting and blanking device 29 after passing through the counter 291 until it falls into the finished product collection box 293 through the lowering hopper 292 .

A square fuse automatic assembling method of the present invention adopts the above-mentioned square fuse automatic assembling machine, comprising the following steps:

1) The first conveying device transports the copper strip to the copper strip processing device for processing to obtain a single copper sheet;

2) The single-piece sending device transports the copper sheet to the single-piece bending device, and the single-piece bending device bends the copper sheet into a U shape on both sides of the middle part to obtain a bent copper sheet;

3) Install the bent copper sheet on the lower seat where the lower seat device is assembled to obtain a semi-finished product, which is pushed forward by the second conveying device along the conveying track to the reaming device and the detection device for reaming and detection;

4) The second conveying device pushes the reamed and qualified semi-finished products to the upper cover assembly station, and the upper cover assembly device inserts the upper cover on the lower seat of the semi-finished product;

5) The finished product conveying device outputs the assembled finished product.

In a specific embodiment, in the step 2, the single-piece bending device first presses half of the terminal of the bent copper sheet into the lower seat, and then performs secondary pressing to completely press the bent copper sheet into the lower seat.

In a specific embodiment, the reaming in step 3 uses a primary reaming device and a secondary reaming device to ream the semi-finished product twice, and the detection in step 3 uses a loosening detection mechanism and a power-on detection mechanism With the first visual inspection mechanism, the semi-finished products are inspected for loosening, power-on inspection and visual inspection respectively.

In a specific embodiment, the step 1 further includes: using a tin spotting device to perform spot tin treatment on the copper tape, and visually inspecting the copper tape treated by the spot tin device with a spot tin visual inspection device; The copper strip after spot tin is cleaned by a cleaning device and dried by a drying device; the step 3 further includes: using a sorting mechanism for defective products in sheet loading to sort out the semi-finished products that are not detected by the loosening detection mechanism, and use The electrification defective product sorting mechanism sorts out the semi-finished products that are not detected by the electrification detection mechanism, and uses the first appearance defective product sorting mechanism to sort out the semi-finished products that are poorly detected by the first visual inspection mechanism; the step 4 further includes: using the first appearance defective product sorting mechanism. The second visual inspection mechanism inspects the semi-finished products with the upper cover, and the second visual inspection defective product sorting mechanism is used to sort out the semi-finished products with poor upper cover assembly.

In a specific embodiment, the second conveying device pushes the semi-finished products one by one to the upper cover assembly station, and pushes the semi-finished products with the upper cover to the second visual inspection and subsequent stations in batches.

The above-mentioned embodiments are only used to further illustrate a square fuse automatic assembling machine and square fuse automatic assembling method of the present invention, but the present invention is not limited to the embodiments, and any simple operation of the above embodiments according to the technical essence of the present invention Modifications, equivalent changes and modifications all fall within the protection scope of the technical solutions of the present invention.

Claims (16)

1. A square fuse automatic assembling machine, it is characterized in that: comprise machine platform, this machine platform is equipped with the first conveying device, the second conveying device, the copper strip processing device, the single-piece feeding device, the single-piece bending device, the assembly The lower seat device, the conveying track, the reaming device, the detection device, the upper cover assembly device and the finished product conveying device, the copper strip processing device processes the copper strip into a single copper sheet, and the single sheet feeding device processes the copper strip processing device The single copper sheet is transported to the single-piece bending device, and the single copper sheet is bent into a U shape on both sides of the middle part to obtain the bent copper sheet, and the lower seat device is assembled to install the bent copper sheet on the lower seat to obtain a semi-finished product , the hole reaming device, the detection device, and the assembling cover device are arranged in sequence along the conveying track, and respectively complete the corresponding process for the semi-finished product pushed forward by the second conveying device along the conveying track; the finished product is conveyed The front end of the device accepts the end of the conveying track to output the finished product. 2. The square fuse automatic assembly machine according to claim 1, characterized in that: the single-piece bending device comprises a pressing cylinder, a support rod and a pressing part, and a groove is provided in the middle of the pressing rod, and the support The rod fixes the middle part of the single copper sheet, and the pressing cylinder drives the pressing piece to move to bend the two sides of the middle part of the single copper sheet on the support rod downward respectively to form two opposite terminals. 3. The square fuse automatic assembling machine according to claim 2, characterized in that: the device for assembling the lower seat comprises a first vibrating plate for conveying the lower seat, a lower seat rail connecting the output end of the first vibrating plate, and lifting the lower seat. The seat device, the U-shaped jaw, the first sheet pressing cylinder, the limit cylinder, the pressing cylinder, the second sheet pressing cylinder and the copper sheet carrier; The lower seat is lifted up, the piston rod of the first pressing cylinder faces downward, and is connected with the first pressing seat; the copper sheet carrier is used to receive the bent copper sheet conveyed from the support rod. Located just below the first tablet pressing seat, the U-shaped claw clamps the lower seat from the lower seat lifting device and transfers it to the bottom of the copper sheet carrier and fixes it, and the first tablet pressing cylinder drives the first tablet pressing seat. Press half of the terminal of the bent copper sheet into the lower seat, the limit cylinder shrinks to separate the copper sheet carrier from the bent copper sheet, and the press-in cylinder extends to completely press the bent copper sheet into the lower seat The piston rod of the second tablet pressing cylinder faces downwards and is connected with a second tablet pressing seat. The second tablet pressing cylinder drives the second tablet pressing seat to completely press the bent copper sheet into the lower seat to obtain a semi-finished product. 4. The square fuse automatic assembling machine according to claim 2, wherein the hole reaming device comprises a primary hole reaming device and a secondary hole reaming device installed in sequence along the conveying direction of the second conveying device, the primary hole reaming device The hole reaming device and the secondary hole reaming device both include a first fixing seat, a hole reaming piece and a hole reaming cylinder. Insert the two holes at the bottom of the lower seat to ream the terminals of the bent copper sheet. 5. The square fuse automatic assembly machine according to claim 1, characterized in that: the detection device comprises a loosening detection mechanism, a sorting mechanism for defective product loading, a power-on detection mechanism, which are sequentially installed along the conveying direction of the second conveying device. mechanism, electrified defective product sorting mechanism, first visual inspection mechanism and first appearance defective product sorting mechanism, and loosening detection mechanism includes a second fixed seat, two first probes and a first detection cylinder, and the second fixed seat Fix the installation end of the bent copper sheet in the semi-finished product, and the first detection cylinder drives the two first probes to insert into the two holes at the bottom of the lower seat of the semi-finished product to detect the tightness of the bent copper sheet and the lower seat, and install defective products. The sorting mechanism selects the semi-finished products that are not detected by the loosening detection mechanism; the power-on detection mechanism includes a third fixed seat, two second probes and a second detection cylinder, and the third fixed seat fixes the installation end of the bent copper sheet in the semi-finished product. Hold, the second detection cylinder drives the two second probes to be inserted into the two holes at the bottom of the lower seat of the semi-finished product to detect whether it can be electrically connected. The good product sorting mechanism selects the semi-finished products that are not detected by the first visual inspection mechanism. 6. The square fuse automatic assembling machine according to claim 1, characterized in that: it also comprises a device for feeding the upper cover, and the device for assembling the upper cover comprises a moving cylinder, an upper cover assembling cylinder and a negative pressure suction block, and the moving cylinder is provided with On the side of the upper cover feeding device, the piston rod of the upper cover assembly cylinder faces downwards and is connected to the negative pressure suction block. The upper cover assembly cylinder is driven by the moving cylinder, so that the negative pressure suction block is fed from the upper cover The upper cover is sucked from the device and transported to the upper cover assembly station corresponding to the semi-finished product. At the upper cover assembly station, the upper cover assembly cylinder is pressed down, and the upper cover sucked by the negative pressure suction block is inserted into the upper cover. The lower seat of the semi-finished product. 7. The square fuse automatic assembly machine according to claim 1, characterized in that: after the upper cover device is assembled, a second visual inspection mechanism and a second appearance defective product sorting mechanism are also provided, and the second appearance defective products are classified into The selection mechanism selects the semi-finished products that are poorly detected by the second visual inspection mechanism. 8. The square fuse automatic assembly machine according to claim 7, wherein the finished product conveying device comprises a laser coding device and a finished product counting and blanking device, and the laser coding device is arranged on the conveying track to receive The qualified products detected by the second visual inspection mechanism are marked and pushed to the finished product counting and blanking device. The front end of the finished product counting and blanking device undertakes the conveying track and is provided with a counter. The rear end of the finished product counting and blanking device is provided with a lower hopper. A finished product collection box is set under the hopper. 9 . The square fuse automatic assembly machine according to claim 7 , wherein the second conveying device comprises a first conveying assembly, a second conveying assembly and a third conveying assembly, and the first conveying assembly transfers the The semi-finished products are transported to the upper cover assembly station, and the second conveying assembly is located at the rear side of the first conveying assembly, and the second conveying assembly is used to convert the semi-finished products with the upper cover from the push mode one by one to several batches together In the push mode, the third conveying assembly is located at the rear side of the second conveying assembly and is used to push the semi-finished products with the upper cover in batches to the second visual inspection and subsequent stations. 10. The square fuse automatic assembly machine according to claim 1, wherein the copper strip processing device comprises a spot tin device, a spot tin visual inspection mechanism, a cleaning device, a drying device, a copper sheet cutting device, a spot tin device The device, spot tin visual inspection mechanism, cleaning device, drying device, and copper sheet cutting device are arranged in sequence along the conveying direction of the first conveying device, and respectively complete the corresponding process for the copper tape conveyed by the first conveying device. 11. The square fuse automatic assembling machine according to claim 10, characterized in that: the first conveying device comprises a rotary table feeding continuous belt device, a shaping device and a positioning needle feeding copper belt device, a rotary table feeding continuous belt device, a shaping device And the positioning needle copper belt feeding device is distributed in turn along the conveying direction, the positioning needle copper belt feeding device is located between the spot tin device and the spot tin visual detection mechanism; the shaping device is located between the spot tin device and the turntable feeder Between the continuous belt devices, and shape the copper belt conveyed by the turntable to the continuous belt device. 12. A square fuse automatic assembling method, characterized in that: adopting the square fuse automatic assembling machine as described in any one of claims 1-11, comprising the following steps: 1) The first conveying device transports the copper strip to the copper strip processing device for processing to obtain a single copper sheet; 2) The single-piece sending device transports the copper sheet to the single-piece bending device, and the single-piece bending device bends the copper sheet into a U shape on both sides of the middle part to obtain a bent copper sheet; 3) Install the bent copper sheet on the lower seat where the lower seat device is assembled to obtain a semi-finished product, which is pushed forward by the second conveying device along the conveying track to the reaming device and the detection device for reaming and detection; 4) The second conveying device pushes the reamed and qualified semi-finished products to the upper cover assembly station, and the upper cover assembly device inserts the upper cover on the lower seat of the semi-finished product; 5) The finished product conveying device outputs the assembled finished product. 13 . The method for automatically assembling a square fuse according to claim 12 , wherein in the step 2, the single-piece bending device first presses half of the terminal of the bent copper sheet into the lower seat, and then performs secondary sheet pressing. 14 . Fully press the bent copper sheet into the lower seat. 14. The method for automatically assembling a square fuse according to claim 12, wherein the reaming in step 3 uses a primary reaming device and a secondary reaming device to ream the semi-finished product twice, and the step 3 In the detection, the loosening detection mechanism, the power-on detection mechanism and the first visual detection mechanism are used to perform loosening detection, power-on detection and visual detection on the semi-finished product respectively. 15. The method for automatically assembling a square fuse according to claim 14, wherein the step 1 further comprises: using a spot tin device to spot tin process the copper tape, and to spot tin through the spot tin visual inspection device. The tin-spotted copper strips are visually inspected; the tin-spotted copper strips are cleaned by a cleaning device and dried by a drying device; the step 3 further includes: using a sorting mechanism for loading defective products to The semi-finished products that are not detected by the loose inspection mechanism are sorted out, and the defective product sorting mechanism is used to sort out the semi-finished products that are not detected by the power-on detection mechanism. The step 4 further includes: using a second visual inspection mechanism to detect the semi-finished product with the upper cover, and using a second visual inspection defective product sorting mechanism to sort out the semi-finished product with a poorly assembled upper cover. 16 . The automatic assembling method for a square fuse according to claim 15 , wherein the second conveying device pushes the semi-finished products to the upper cover assembly station step by step, and the semi-finished products equipped with the upper covers are stepped in batches. 17 . Push to the second visual inspection and subsequent stations.

Images