Assembling equipment for cylindrical pin

Abstract

The utility model discloses assembling equipment for a cylindrical pin, which comprises a machine body platform, a circulation synchronous belt assembly is arranged on the machine body platform, the circulation synchronous belt assembly comprises a circulation transfer tool, and a pin pressing assembly and a steel sheet feeding assembly are further arranged on the machine body platform; the pin pressing assembly comprises a pin pressing air cylinder, a pin pressing head and an ejector pin. The ejector pin is controlled to penetrate into the pin pressing head when the pin pressing air cylinder works. The steel sheet feeding assembly comprises a feeding rail, a vibrator, a steel sheet rail, a lifting air cylinder, a pushing air cylinder and a limiting air cylinder. A steel sheet track is arranged on a piston shaft of the lifting air cylinder, and the pushing air cylinder pushes steel sheets into the steel sheet track when working; a limiting air cylinder is arranged at the end, away from the vibrator, of the steel sheet rail, a limiting push block is arranged on a piston shaft of the limiting air cylinder, and a pressing block is arranged over the limiting push block. A cylindrical pin is pre-pressed into an iron core body through the pin pressing air cylinder, then accurate positioning is conducted through the steel sheet track, a steel sheet is pressed into the iron core body through the pushing air cylinder, the automation degree is high, and assembling is reliable.

Description

Technical Field

[0001] The utility model belongs to the technical field of core fittings assembly, and in particular relates to an assembly device for cylindrical pins. Background Art

[0002] The core assembly is a commonly used accessory in solenoid valves. The core assembly generally includes a core body, a cylindrical pin and a steel sheet; the steel sheet is installed at the end of the core body and fixed by a cylindrical pin. Generally, the assembly of existing core assemblies is semi-automatic, requiring manual insertion of the steel sheet into the core body, and then the cylindrical pin is pressed into the hole of the core body by a press. Since the steel sheet needs to be placed manually and then the cylindrical pin is installed by a press, the degree of automation is low and the assembly efficiency is not high. At the same time, the steel sheet is easily swayed and poorly positioned during the placement process, which makes it impossible for the cylindrical pin to be reliably pressed into the core body, and the qualified rate of the product will decrease. Therefore, it is necessary to design an assembly device for cylindrical pins to overcome the above difficulties. Summary of the invention

[0003] In view of the problems existing in the prior art, the utility model designs an assembly device for cylindrical pins. The utility model pre-presses the cylindrical pins into the iron core body through a pin pressing cylinder, then accurately positions them through a steel sheet track, presses the steel sheet into the steel sheet through a pushing cylinder, and finally presses the cylindrical pins through a steel sheet feeding assembly. The utility model has a high degree of automation and reliable assembly.

[0004] The invention objective of the utility model is achieved through the following technical solutions: an assembly device for cylindrical pins, comprising a fuselage platform, a circulation synchronous belt assembly is arranged on the fuselage platform, the circulation synchronous belt assembly comprises a circulation conveyor, and a pressing pin assembly and a steel sheet feeding assembly are arranged in sequence on the fuselage platform along the axial direction of the circulation synchronous belt assembly; the pressing pin assembly comprises a pressing pin cylinder, a pressing pin head and an ejector pin, and when the pressing pin cylinder is working, the ejector pin is controlled to penetrate into the pressing pin head and extend into the core body of the circulation conveyor; the steel sheet feeding assembly comprises a feeding track, a vibrator, a steel sheet track, a lifting cylinder, a pushing cylinder and a limiting cylinder; a steel sheet track is arranged on the piston shaft of the lifting cylinder, and when the pushing cylinder is working, the steel sheet is pushed into the steel sheet track; a limiting cylinder is arranged at the end of the steel sheet track away from the vibrator, a limiting push block is arranged on the piston shaft of the limiting cylinder, and a pressing block is arranged directly above the limiting push block.

[0005] Preferably, the circulation synchronous belt assembly includes a mounting bracket, a conveyor belt, a driving motor and a transmission pin shaft; the mounting bracket is fixedly mounted on the fuselage platform, and the transmission pin shaft is mounted on the mounting bracket through a bearing; the outer sleeve of the transmission pin shaft is mounted with a pulley that rotates synchronously with it, and the outer sleeve of the pulley is mounted with a conveyor belt; the end of the mounting bracket is provided with a driving motor fixedly connected to it, and a coupling connecting the driving motor and the transmission pin shaft is provided between the two; the conveyor belt is provided with a number of circulation carriers for transporting the iron core body, and a pressing pin assembly and a steel sheet feeding assembly are provided above the conveyor belt.

[0006] When the driving motor is working, it drives the transmission pin shaft to rotate. When the transmission pin shaft rotates, the pulley rotates synchronously, thereby driving the conveyor belt to move relative to the mounting bracket. A pressing pin assembly and a steel sheet feeding assembly are provided above the conveyor belt to facilitate the subsequent pressing of cylindrical pins and installation of steel sheets.

[0007] Preferably, a first cylinder is provided on the mounting bracket, and the first cylinder is arranged opposite to the pin assembly; a first pressure rod is provided on the piston shaft of the first cylinder, and the first pressure rod is coaxially arranged with the iron core body on the flow conveyor; a second cylinder is also provided on the mounting bracket, and the second cylinder is arranged opposite to the steel sheet track on the steel sheet feeding assembly; a second pressure rod is provided on the piston shaft of the second cylinder, and the second pressure rod is coaxially arranged with the iron core body on the flow conveyor.

[0008] When the cylindrical pin is pressed by the pressing pin assembly, the first cylinder pushes the first pressing rod close to the end of the core body, thereby fixing the core body in the flow body, so that the hole position of the core body is aligned with the top pin on the pressing pin assembly, so that the cylindrical pin can be pressed more accurately. When installing the steel sheet, the second cylinder pushes the second pressing rod to position the core body, so that the steel sheet can be smoothly pushed into the notch of the core body.

[0009] Preferably, a lifting cylinder is provided at the end of the mounting bracket close to the pin assembly, a support block is provided on the piston shaft of the lifting cylinder, and a vertically arranged push rod is provided on the support block; a first through hole for inserting the push rod is provided on the flow carrier, and the push rod is coaxially arranged with the first through hole.

[0010] Before the cylindrical pin is pressed by the pin pressing assembly, the push rod is first inserted into the first through hole of the flow carrier by the lifting cylinder, so as to limit the installation depth of the cylindrical pin and prevent the cylindrical pin from being pressed too deep, resulting in the inability to install the subsequent steel sheet. By setting the push rod, it is convenient to pre-press the cylindrical pin, and the pressing depth can be controlled.

[0011] Preferably, the pin pressing assembly also includes a first bracket, a first slide rail, a first adjusting screw, a second adjusting screw, a first slider and a second slider; the first bracket is provided with a vertically arranged first slide rail, and the first slide rail is provided with a first slider and a second slider; the first slider and the second slider are arranged side by side up and down, and the second slider is arranged below the first slider; the pin pressing cylinder is installed on the top of the first bracket, and the piston shaft of the pin pressing cylinder is connected to the first slider, and the lower end surface of the first slider is provided with a ejector pin; the first adjusting screw is threadedly connected to the first bracket, and the first adjusting screw is installed below the first slider; the second slider is provided with a pin pressing head fixedly connected thereto, and the second adjusting screw is threadedly connected to the first bracket, and the second adjusting screw is arranged below the second slider; the pin pressing head is provided with a feed channel for placing cylindrical pins, and a partition cylinder is provided between the feed channel and the pin pressing head.

[0012] Before punching the cylindrical pin, the vertical height of the pin head needs to be adjusted in advance; the vertical height of the second slider can be adjusted by turning the second adjusting screw, so that the pin head is set close to the core body on the circulation carrier, so that the pin head can better guide the cylindrical pin and the cylindrical pin crimping is smoother. By setting the first adjusting screw, it is convenient to adjust the height of the first slider to prevent the ejector from being pressed too deep. When the pin cylinder is working, it will push the first slider down, so that the ejector will extend into the pin head, so that the cylindrical pin in the pin head is pre-pressed into the core body; at this time, the cylindrical pin is not fully inserted into the hole of the core body, leaving space for the steel sheet to be installed later. By setting a separation cylinder, it is possible to prevent the new cylindrical pin from sliding into the pin head from the feed channel during crimping, so that the cylindrical pins can be continuously crimped in sequence.

[0013] Preferably, the pin head is hollow, and the piston shaft of the separation cylinder extends into the pin head; a positioning block is provided at the end of the pin head, and the positioning block is arranged adjacent to the core body on the flow carrier; when the pin cylinder pushes the first slider, the lower end face of the positioning block fits with the surface of the core body; an elastic buffer is provided at the end of the second adjusting screw, and the elastic buffer is arranged on the lower end face of the second slider.

[0014] By setting a positioning block, the cylindrical pin coming out of the pin head is further guided to ensure that the cylindrical pin can be pre-pressed into the hole of the core body. By adjusting the first adjusting screw, the descending height of the first slider can be limited; thereby accurately adjusting the depth of the ejector pin inserted into the pin head, the depth of the cylindrical pin pressed into the core body can be accurately controlled, which is convenient for the later assembly of the steel sheet. By setting an elastic buffer at the end of the second adjusting screw, it is convenient to reset the second slider to avoid interference between the pin head on the second slider and the core body.

[0015] Preferably, a guide rod is disposed on the lower end surface of the first sliding block, and the guide rod and the ejector pin are arranged side by side and parallel to each other; the guide rod passes through the second sliding block.

[0016] The guide rod is provided to guide the second slide block, so that the movement process of the second slide block is more stable.

[0017] Preferably, the steel sheet feeding assembly also includes a second bracket, a third bracket, a first push block, a second push block and a positioning cylinder; a feeding track is provided on the vibrator, and a cover plate is provided on the feeding track; a second bracket is provided directly above the feeding track, and a pushing cylinder is provided on the second bracket, and a first push block is provided on the piston shaft of the pushing cylinder; a third bracket is provided between the second bracket and the flow synchronous belt assembly, and a lifting cylinder is provided on the third bracket, and a steel sheet track is provided on the piston shaft of the lifting cylinder; the positioning cylinder is arranged on both sides of the steel sheet track, and a second push block is provided on the piston shaft of the positioning cylinder; the limiting cylinder is arranged at the end of the steel sheet track and away from the pushing cylinder, and a limiting push block is provided on the piston shaft of the limiting cylinder.

[0018] When the steel sheet moves on the feeding track, the lifting cylinder is in a retracted state, so that the feeding track and the steel sheet track are at the same horizontal height, and the steel sheet will move into the groove of the steel sheet track under the action of the vibrator; when the steel sheet is completely on the steel sheet track, the steel sheet cannot continue to move forward due to the limit push block on the steel sheet track; at this time, the lifting cylinder controls the steel sheet track to rise, so that the steel sheet track and the feeding track are misaligned up and down, and new steel sheets cannot be fed. Then the limit cylinder controls the limit push block to move, so that the end of the steel sheet will lose the limit; then the push cylinder works, and the steel sheet is pushed into the gap of the core body through the first push block. While the push cylinder is working, the positioning cylinder works to control the second push block to approach the steel sheet, thereby radially limiting the steel sheet, so that the steel sheet can be smoothly installed in the core body.

[0019] Preferably, the groove on the feeding track and the groove on the steel sheet track are arranged on the same axis, and when the steel sheet track rises, the bottom of the first push block and the groove on the steel sheet track are arranged on the same horizontal plane; a first limiting groove is provided at the bottom of the first push block, and the outer contour of the first limiting groove matches the outer contour of the steel sheet; a clearance groove is provided on the limiting push block, and the width of the clearance groove matches the width of the steel sheet; a pressure block is provided at the end of the steel sheet track, and the lower end face of the pressure block is arranged to fit together with the upper end face of the limiting push block; a third cylinder is also provided on the side of the steel sheet track, and a limiting pressure plate is provided on the piston shaft of the third cylinder, and the limiting pressure plate is arranged near the end of the steel sheet track; a fourth bracket is also provided above the circulation synchronous belt assembly, and a fourth cylinder for crimping cylindrical pins is provided on the fourth bracket, and the fourth cylinder is arranged directly opposite to the hole position of the core body.

[0020] By setting the first limiting groove, the first push block will not interfere with the steel sheet; when the first push block moves, the end of the steel sheet is stuck in the first limiting groove, so the first push block can push the steel sheet to move; a clearance groove is set on the limiting push block, so that when the limiting push block moves, the clearance groove is aligned with the steel sheet, and the steel sheet can move forward; by setting a limiting pressure plate, the upper end surface of the steel sheet is limited to prevent the steel sheet from tilting relative to the steel sheet track when it just enters the core body. When the steel sheet is installed, the fourth cylinder works, and the piston shaft of the fourth cylinder will push the cylindrical pin completely into the hole of the core body, and the core assembly is assembled.

[0021] Compared with the prior art, the utility model has the following beneficial effects: the utility model can pre-press the cylindrical pin through the pressing pin head on the pressing pin assembly, and isolate the cylindrical pin through the separation cylinder, so that the cylindrical pin can be pressed in one after another continuously; by adjusting the pressing depth of the ejector pin, the cylindrical pin can be accurately pressed into the core body, which is convenient for the subsequent assembly of the steel sheet. The core body is transported to the adjustment station through the circulating synchronous belt assembly, and then the steel sheet is installed through the steel sheet feeding assembly; the lifting cylinder and the limit cylinder are used to limit the position, so that a single steel sheet can be smoothly moved to the steel sheet track, and then pushed into the steel sheet body by the pushing cylinder; the steel sheet installation process is automatically carried out, and a single steel sheet can be continuously pressed into the core body one after another each time, and the installation is reliable and efficient. After the steel sheet is installed, the cylindrical pin is pressed again, and the overall assembly efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the utility model;

[0023] Figure 2 A three-dimensional diagram of another viewing angle of the present invention;

[0024] Figure 3 is a three-dimensional diagram of a press pin assembly;

[0025] Figure 4 The exploded view of the press pin assembly;

[0026] Figure 5 This is the internal structure diagram of the press pin assembly;

[0027] Figure 6 It is a three-dimensional diagram of the steel sheet feeding assembly;

[0028] Figure 7 This is an exploded view of the steel sheet feeding assembly;

[0029] Figure 8 A three-dimensional diagram of a circulating synchronous belt assembly;

[0030] Fig. 9 This is an exploded view of the flow timing belt assembly;

[0031] Fig.10 for Fig. 9 A partial enlarged view of position A in the middle.

[0032] Markings in the figure: 1, fuselage platform; 2, circulation synchronous belt assembly; 21, circulation conveyor; 22, mounting bracket; 23, conveyor belt; 24, driving motor; 25, transmission pin shaft; 26, pulley; 27, coupling; 28, first through hole; 3, pressing pin assembly; 31, pressing pin cylinder; 32, pressing pin head; 33, ejector pin; 34, first bracket; 35, first slide rail; 36, first adjusting screw; 37, second adjusting screw; 38, first slider; 39, second slider; 310, feeding channel; 311, separation cylinder; 312, positioning block; 313, elastic buffer; 314, guide rod; 4, steel sheet feeding group Parts; 41, feeding track; 42, vibrator; 43, steel sheet track; 44, lifting cylinder; 45, pushing cylinder; 46, limiting cylinder; 47, limiting push block; 48, pressing block; 49, second bracket; 410, third bracket; 411, first push block; 412, second push block; 413, positioning cylinder; 414, cover plate; 415, first limiting groove; 416, giving way groove; 417, third cylinder; 418, limiting pressure plate; 5, first cylinder; 6, first pressure rod; 7, second cylinder; 8, second pressure rod; 9, lifting cylinder; 10, support block; 11, push rod; 12, fourth bracket; 13, fourth cylinder. DETAILED DESCRIPTION

[0033] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:

[0034] like Figures 1 to 10 As shown, the present embodiment discloses an assembly device for cylindrical pins, including a fuselage platform 1, a flow synchronous belt assembly 2 is provided on the fuselage platform 1, and the flow synchronous belt assembly 2 includes a flow conveyor 21. A pressing pin assembly 3 and a steel sheet feeding assembly 4 are sequentially provided on the fuselage platform 1 along the axial direction of the flow synchronous belt assembly 2; the pressing pin assembly 3 includes a pressing pin cylinder 31, a pressing pin head 32 and an ejector pin 33. When the pressing pin cylinder 31 is working, the ejector pin 33 is controlled to penetrate into the pressing pin head 32 and extend to the iron of the flow conveyor 21. The steel sheet feeding assembly 4 comprises a feeding track 41, a vibrator 42, a steel sheet track 43, a lifting cylinder 44, a pushing cylinder 45 and a limiting cylinder 46; a steel sheet track 43 is arranged on the piston shaft of the lifting cylinder 44, and the pushing cylinder 45 pushes the steel sheet into the steel sheet track 43 when working; a limiting cylinder 46 is arranged at the end of the steel sheet track 43 away from the vibrator 42, a limiting push block 47 is arranged on the piston shaft of the limiting cylinder 46, and a pressure block 48 is arranged directly above the limiting push block 47.

[0035] The circulation synchronous belt assembly 2 includes a mounting bracket 22, a conveyor belt 23, a driving motor 24 and a transmission pin 25; the mounting bracket 22 is fixedly mounted on the fuselage platform 1, and the transmission pin 25 is mounted on the mounting bracket 22 through a bearing; the outer sleeve of the transmission pin 25 is mounted with a pulley 26 that rotates synchronously with it, and the outer sleeve of the pulley 26 is mounted with a conveyor belt 23; the end of the mounting bracket 22 is provided with a driving motor 24 fixedly connected to it, and a coupling 27 connecting the driving motor 24 and the transmission pin 25 is provided between the two; the conveyor belt 23 is provided with a plurality of circulation carriers 21 for transporting the core body, and a pressing pin assembly 3 and a steel sheet feeding assembly 4 are provided above the conveyor belt 23. The mounting bracket 22 is provided with a first cylinder 5, and the first cylinder 5 is arranged opposite to the pressing pin assembly 3; the first pressing rod 6 is arranged on the piston shaft of the first cylinder 5, and the first pressing rod 6 is arranged coaxially with the iron core body on the flow conveyor 21; the mounting bracket 22 is also provided with a second cylinder 7, and the second cylinder 7 is arranged opposite to the steel sheet track 43 on the steel sheet feeding assembly 4; the second pressing rod 8 is arranged on the piston shaft of the second cylinder 7, and the second pressing rod 8 is arranged coaxially with the iron core body on the flow conveyor 21. The end of the mounting bracket 22 close to the pressing pin assembly 3 is provided with a jacking cylinder 9, and a support block 10 is provided on the piston shaft of the jacking cylinder 9, and a vertically arranged push rod 11 is provided on the support block 10; the flow conveyor 21 is provided with a first through hole 28 for inserting the push rod 11, and the push rod 11 is arranged coaxially with the first through hole 28.

[0036] The pin pressing assembly 3 further includes a first bracket 34, a first slide rail 35, a first adjusting screw 36, a second adjusting screw 37, a first slider 38 and a second slider 39; the first bracket 34 is provided with a vertically arranged first slide rail 35, and the first slide rail 35 is provided with a first slider 38 and a second slider 39; the first slider 38 and the second slider 39 are arranged side by side up and down, and the second slider 39 is arranged below the first slider 38; the pin pressing cylinder 31 is installed on the top of the first bracket 34, and the piston shaft of the pin pressing cylinder 31 is connected to the first slide rail 35. Block 38, a pin 33 is provided on the lower end surface of the first slider 38; the first adjusting screw 36 is threadedly connected to the first bracket 34, and the first adjusting screw 36 is installed below the first slider 38; the second slider 39 is provided with a pressing pin head 32 fixedly connected thereto, the second adjusting screw 37 is threadedly connected to the first bracket 34, and the second adjusting screw 37 is arranged below the second slider 39; the pressing pin head 32 is provided with a feed channel 310 for placing a cylindrical pin, and a separating cylinder 311 is provided between the feed channel 310 and the pressing pin head 32. The pressing pin head 32 is hollow, and the piston shaft of the separation cylinder 311 extends into the pressing pin head 32; a positioning block 312 is provided at the end of the pressing pin head 32, and the positioning block 312 is arranged adjacent to the core body on the flow carrier 21; when the pressing pin cylinder 31 pushes the first slider 38, the lower end surface of the positioning block 312 and the surface of the core body are in contact with each other; an elastic buffer 313 is provided at the end of the second adjusting screw 37, and the elastic buffer 313 is arranged on the lower end surface of the second slider 39. A guide rod 314 is provided on the lower end surface of the first slider 38, and the guide rod 314 is arranged side by side and parallel to the ejector pin 33; the guide rod 314 is arranged through the second slider 39.

[0037] The steel sheet feeding assembly 4 also includes a second bracket 49, a third bracket 410, a first push block 411, a second push block 412 and a positioning cylinder 413; a feeding track 41 is provided on the vibrator 42, and a cover plate 414 is provided on the feeding track 41; a second bracket 49 is provided directly above the feeding track 41, and a push cylinder 45 is provided on the second bracket 49, and a first push block 411 is provided on the piston shaft of the push cylinder 45; a third bracket 410 is provided between the second bracket 49 and the flow synchronous belt assembly 2, and a lifting cylinder 44 is provided on the third bracket 410, and a steel sheet track 43 is provided on the piston shaft of the lifting cylinder 44; the positioning cylinder 413 is arranged on both sides of the steel sheet track 43, and a second push block 412 is provided on the piston shaft of the positioning cylinder 413; the limiting cylinder 46 is arranged at the end of the steel sheet track 43 and away from the pushing cylinder 45, and a limiting push block 47 is provided on the piston shaft of the limiting cylinder 46. The groove on the feeding track 41 and the groove on the steel sheet track 43 are arranged on the same axis. When the steel sheet track 43 rises, the bottom of the first push block 411 and the groove on the steel sheet track 43 are arranged on the same horizontal plane; the bottom of the first push block 411 is provided with a first limiting groove 415, and the outer contour of the first limiting groove 415 matches the outer contour of the steel sheet; the limiting push block 47 is provided with a clearance groove 416, and the width of the clearance groove 416 matches the width of the steel sheet; the steel sheet track 43 A pressure block 48 is provided at the end, and the lower end surface of the pressure block 48 is arranged in contact with the upper end surface of the limiting push block 47; a third cylinder 417 is also provided on the side of the steel sheet track 43, and a limiting pressure plate 418 is provided on the piston shaft of the third cylinder 417, and the limiting pressure plate 418 is arranged near the end of the steel sheet track 43; a fourth bracket 12 is also provided above the circulation synchronous belt assembly 2, and a fourth cylinder 13 for crimping a cylindrical pin is provided on the fourth bracket 12, and the fourth cylinder 13 is arranged opposite to the hole position of the iron core body.

[0038] The specific operation process of this embodiment is as follows: when the core body to be assembled is transported to the bottom of the pressing pin assembly 3 through the circulation conveyor 21, the first cylinder 5 works to control the first pressing rod 6 to support the end of the core body, and then the pressing pin assembly 3 starts to work. Before pressing the cylindrical pin through the pressing pin assembly 3, the push rod 11 is first inserted into the first through hole 28 of the circulation conveyor 21 through the lifting cylinder 9, so as to limit the installation depth of the cylindrical pin to prevent the cylindrical pin from being pressed too deep, resulting in the inability to install the subsequent steel sheet. Before punching the cylindrical pin, the vertical height of the pressing pin head 32 needs to be adjusted in advance; the vertical height of the second slider 39 can be adjusted by turning the second adjusting screw 37, so that the pressing pin head 32 is set close to the core body on the circulation conveyor 21, so that the pressing pin head 32 can better guide the cylindrical pin, and the cylindrical pin crimping is smoother. By setting the first adjusting screw 36, it is convenient to adjust the height of the first slider 38 to prevent the ejector 33 from being pressed too deep. When the pinning cylinder 31 is working, it will push the first slider 38 down, and then the ejector pin 33 will extend into the pinning head, so that the cylindrical pin in the pinning head 32 is pre-pressed into the core body; at this time, the cylindrical pin is not completely inserted into the hole of the core body, leaving space for the steel sheet to be installed later. By setting the separation cylinder 311, it is possible to prevent a new cylindrical pin from sliding into the pinning head 32 from the feed channel 310 during crimping, so that the cylindrical pins can be crimped in sequence.

[0039] After the pre-stressing of the cylindrical pin is completed, the circulation carrier 21 transports the core body to the station where the steel sheet feeding assembly 4 is located. When the steel sheet moves on the feeding track 41, the lifting cylinder 44 is in a retracted state, so that the feeding track 41 and the steel sheet track 43 are at the same horizontal height, and the steel sheet will move into the groove of the steel sheet track 43 under the action of the vibrator 42; when the steel sheet is completely on the steel sheet track 43, the steel sheet cannot continue to move forward due to the limit push block 47 provided on the steel sheet track 43; at this time, the lifting cylinder 44 controls the steel sheet track 43 to rise, so that the steel sheet track 43 and the feeding track 41 are misaligned up and down, and new steel sheets cannot be fed. Then the limit cylinder 46 controls the limit push block 47 to move, so that the end of the steel sheet will lose the limit; then the push cylinder 45 works, and the steel sheet is pushed into the gap of the core body through the first push block 411. While the push cylinder 45 is working, the positioning cylinder 413 works to control the second push block 412 to approach the steel sheet, thereby radially limiting the steel sheet so that the steel sheet can be smoothly installed in the core body. A clearance groove 416 is set on the limit push block 47, so that the limit push block 47 moves, the clearance groove 416 is aligned with the steel sheet, and the steel sheet can move forward; the upper end surface of the steel sheet is limited by setting a limit pressure plate 418 to prevent the steel sheet from tilting relative to the steel sheet track 43 when it just enters the core body. When the steel sheet is installed, the fourth cylinder 13 works, and the piston shaft of the fourth cylinder 13 will push the cylindrical pin completely into the hole of the core body, and the core assembly is assembled.

[0040] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. An assembly device for cylindrical pins, comprising a fuselage platform (1), on which a circulating synchronous belt assembly (2) is arranged, characterized in that: The circulating synchronous belt assembly (2) comprises a circulating conveyor (21), and a pressing pin assembly (3) and a steel sheet feeding assembly (4) are sequentially arranged on the fuselage platform (1) along the axial direction of the circulating synchronous belt assembly (2); the pressing pin assembly (3) comprises a pressing pin cylinder (31), a pressing pin head (32) and an ejector pin (33); when the pressing pin cylinder (31) is in operation, the ejector pin (33) is controlled to penetrate into the pressing pin head (32) and extend into the iron core body of the circulating conveyor (21); the steel sheet feeding assembly (4) comprises a feeding track (41), a vibration A vibrator (42), a steel sheet track (43), a lifting cylinder (44), a pushing cylinder (45) and a limiting cylinder (46); the steel sheet track (43) is arranged on the piston shaft of the lifting cylinder (44); the pushing cylinder (45) pushes the steel sheet into the steel sheet track (43) when working; the limiting cylinder (46) is arranged at the end of the steel sheet track (43) away from the vibrator (42); a limiting push block (47) is arranged on the piston shaft of the limiting cylinder (46); and a pressing block (48) is arranged just above the limiting push block (47).

2. The assembly device for cylindrical pins according to claim 1, characterized in that: The circulating synchronous belt assembly (2) comprises a mounting bracket (22), a conveyor belt (23), a driving motor (24) and a driving pin shaft (25); the mounting bracket (22) is fixedly mounted on the fuselage platform (1), and the driving pin shaft (25) is mounted on the mounting bracket (22) via a bearing; the outer layer of the driving pin shaft (25) is sleeved with a pulley (26) that rotates synchronously with the driving pin shaft (25), and the outer layer of the pulley (26) is sleeved with a conveyor belt (23); the end of the mounting bracket (22) is provided with a driving motor (24) that is fixedly connected to the driving motor (24) and the driving pin shaft (25), and a coupling (27) that connects the two is provided between the driving motor (24) and the driving pin shaft (25); the conveyor belt (23) is provided with a plurality of circulating carriers (21) for transporting the core body, and a pressing pin assembly (3) and a steel sheet feeding assembly (4) are provided above the conveyor belt (23).

3. The assembly device for cylindrical pins according to claim 2, characterized in that: The mounting bracket (22) is provided with a first cylinder (5), and the first cylinder (5) is arranged opposite to the pin assembly (3); a first pressure rod (6) is provided on the piston shaft of the first cylinder (5), and the first pressure rod (6) is coaxially arranged with the iron core body on the flow conveyor (21); a second cylinder (7) is also provided on the mounting bracket (22), and the second cylinder (7) is arranged opposite to the steel sheet track (43) on the steel sheet feeding assembly (4); a second pressure rod (8) is provided on the piston shaft of the second cylinder (7), and the second pressure rod (8) is coaxially arranged with the iron core body on the flow conveyor (21).

4. The assembly device for cylindrical pins according to claim 2, characterized in that: A lifting cylinder (9) is provided at the end of the mounting bracket (22) close to the pin assembly (3); a support block (10) is provided on the piston shaft of the lifting cylinder (9); and a vertically arranged push rod (11) is provided on the support block (10); a first through hole (28) for inserting the push rod (11) is provided on the flow carrier (21); the push rod (11) and the first through hole (28) are arranged coaxially.

5. The assembly device for cylindrical pins according to claim 1, characterized in that: The pin pressing assembly (3) further comprises a first bracket (34), a first slide rail (35), a first adjusting screw (36), a second adjusting screw (37), a first slider (38) and a second slider (39); the first bracket (34) is provided with a vertically arranged first slide rail (35), the first slider (38) and the second slider (39) are provided on the first slide rail (35); the first slider (38) and the second slider (39) are arranged side by side up and down, and the second slider (39) is arranged below the first slider (38); the pin pressing cylinder (31) is mounted on the top of the first bracket (34), and the piston shaft of the pin pressing cylinder (31) is connected to the first A slider (38), wherein a first slider (38) has a pin (33) on its lower end surface; the first adjusting screw (36) is threadedly connected to the first bracket (34), and the first adjusting screw (36) is installed below the first slider (38); the second slider (39) is provided with a pressing pin head (32) fixedly connected thereto, the second adjusting screw (37) is threadedly connected to the first bracket (34), and the second adjusting screw (37) is arranged below the second slider (39); the pressing pin head (32) is provided with a feed channel (310) for placing a cylindrical pin, and a separation cylinder (311) is provided between the feed channel (310) and the pressing pin head (32).

6. The assembly device for cylindrical pins according to claim 5, characterized in that: The pressing pin head (32) is hollow, and the piston shaft of the separation cylinder (311) extends into the pressing pin head (32); a positioning block (312) is provided at the end of the pressing pin head (32), and the positioning block (312) is arranged adjacent to the iron core body on the flow carrier (21); when the pressing pin cylinder (31) pushes the first slider (38), the lower end surface of the positioning block (312) and the surface of the iron core body are in contact with each other; an elastic buffer (313) is provided at the end of the second adjusting screw (37), and the elastic buffer (313) is arranged on the lower end surface of the second slider (39).

7. The assembly device for cylindrical pins according to claim 5, characterized in that: A guide rod (314) is provided on the lower end surface of the first sliding block (38), and the guide rod (314) and the ejector pin (33) are arranged side by side and parallel to each other; the guide rod (314) passes through the second sliding block (39).

8. The assembly device for cylindrical pins according to claim 1, characterized in that: The steel sheet feeding assembly (4) further comprises a second bracket (49), a third bracket (410), a first push block (411), a second push block (412) and a positioning cylinder (413); a feeding track (41) is provided on the vibrator (42), and a cover plate (414) is provided on the feeding track (41); a second bracket (49) is provided directly above the feeding track (41), a push cylinder (45) is provided on the second bracket (49), and a first push block (411) is provided on the piston shaft of the push cylinder (45); the second bracket (49) is connected to the flow A third bracket (410) is provided between the synchronous belt assembly (2), a lifting cylinder (44) is provided on the third bracket (410), and a steel sheet track (43) is provided on the piston shaft of the lifting cylinder (44); the positioning cylinder (413) is provided on both sides of the steel sheet track (43), and a second push block (412) is provided on the piston shaft of the positioning cylinder (413); the limiting cylinder (46) is provided at the end of the steel sheet track (43) and away from the pushing cylinder (45), and a limiting push block (47) is provided on the piston shaft of the limiting cylinder (46).

9. The assembly device for cylindrical pins according to claim 8, characterized in that: The groove on the feeding track (41) and the groove on the steel sheet track (43) are arranged on the same axis, and when the steel sheet track (43) rises, the bottom of the first push block (411) and the groove on the steel sheet track (43) are arranged on the same horizontal plane; the bottom of the first push block (411) is provided with a first limiting groove (415), and the outer contour of the first limiting groove (415) matches the outer contour of the steel sheet; the limiting push block (47) is provided with a clearance groove (416), and the width of the clearance groove (416) matches the width of the steel sheet; the end of the steel sheet track (43) is provided with a first limiting groove (415) and a first limiting groove (416) and a first limiting groove (416) and a first limiting groove (416) and a first limiting groove (416) and a first limiting groove (416) and a first limiting groove (416) are provided with a first limiting groove (416) and ... and a first limiting groove (416) and a first limiting groove (416) and a first limiting A pressure block (48) is provided at the end, and the lower end surface of the pressure block (48) and the upper end surface of the limit push block (47) are arranged to fit each other; a third cylinder (417) is also provided on the side of the steel sheet track (43), and a limit pressure plate (418) is provided on the piston shaft of the third cylinder (417), and the limit pressure plate (418) is arranged near the end of the steel sheet track (43); a fourth bracket (12) is also provided above the circulating synchronous belt assembly (2), and a fourth cylinder (13) for crimping a cylindrical pin is provided on the fourth bracket (12), and the fourth cylinder (13) is arranged opposite to the hole position of the iron core body.

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