Presser foot mechanism of relay assembling machine

Abstract

The utility model relates to the technical field of relay production, in particular to a presser foot mechanism of a relay assembling machine, which comprises an end foot feeding device, and the end foot feeding device comprises a vibration feeding disc, a straight vibrator, a rotator and a feeding manipulator. A conveying device is arranged at the output end of the feeding mechanical arm, a plurality of tool bases distributed at equal intervals are arranged on the conveying device, a pressing-in assembly and a material pressing assembly which are sequentially distributed are arranged on a material conveying path of the conveying device, and the pressing-in assembly and the material pressing assembly are each provided with a pressing block capable of conducting longitudinal stamping. A visual detection device and a discharging manipulator which are distributed front and back are arranged at the position, located at the rear end of the pressing assembly, of the feeding path of the conveying device. The utility model is beneficial for solving the problems of low processing efficiency, high cost and high reject ratio caused by the fact that some relay pins and bodies are still assembled by manual operation, defective products are easily obtained by stamping and bending due to deviation of placement angles of the pins during pre-installation, and manual quality inspection is needed after materials are taken one by one.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay production technical field, especially a presser foot mechanism of relay assembly machine. BACKGROUND

[0002] Relay is an electronic control device, usually applied to automatic control circuit, it is actually a "automatic switch" with smaller current to control larger current, plays automatic regulation, safety protection, conversion circuit etc.

[0003] In the production manufacturing process, the various components of the relay need to be assembled one by one, especially the assembly of the relay end foot and the relay body, because the relay end foot is a small metal sheet, and it is difficult to position when inserting the relay end foot into the relay body. At present, many assembly machines can only assemble semi-finished products, and the assembly of the relay end foot and the body still needs to be carried out in a semi-automatic assembly mode. The relay main body and the end foot are pre-installed manually, and then the semi-finished product is taken out after being pressed and solidified by a semi-automatic stamping machine. This method involves high labor intensity, and the pressing is usually carried out by one-time positioning stamping operation, which easily leads to defective products due to the deviation of the placement angle of the end foot during pre-installation. The defective products need to be checked one by one, which leads to low processing efficiency, high cost and high defective rate. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a presser foot mechanism of relay assembly machine, which is beneficial to solve the problem that the assembly of the relay end foot and the body still relies on manual operation, which easily leads to defective products due to the deviation of the placement angle of the end foot during pre-installation. The defective products need to be checked one by one, which leads to low processing efficiency, high cost and high defective rate.

[0005] The utility model is implemented as follows:

[0006] The pressure foot mechanism of a relay assembly machine comprises an end foot feeding device, the end foot feeding device comprises a vibration feeding disc, a straight vibrator, a rotator, and a feeding manipulator, the straight vibrator is connected to the output end of the vibration feeding disc, the rotator is arranged between the output end of the straight vibrator and the feeding manipulator, the rotator is provided with a pneumatic clamp jaw, and the pneumatic clamp jaw is connected with a rotary driving part; the output end of the feeding manipulator is provided with a conveying device, a plurality of tool holders are arranged on the conveying device at equal intervals, the conveying device is provided with a limit stopper capable of being opened and closed, the limit stopper is used for controlling the feeding start-stop state of the tool holder at a threshold position, a pressing device is arranged on the feeding path of the conveying device, the pressing device comprises a pressing-in assembly and a pressing assembly arranged in sequence, the pressing-in assembly and the pressing assembly are respectively provided with a pressing block capable of being longitudinally punched, the pressing block of the pressing-in assembly is a first pressing block used for pressing the end foot in the pre-insertion state into the end foot mounting position of the relay main body, and the pressing block of the pressing assembly is a second pressing block used for pressing the end foot into place, and the feeding path of the conveying device is provided with visual detection devices and a discharging manipulator arranged in front and back at the rear end of the pressing assembly.

[0007] On the basis of the above technical scheme, the vibration feeding disc is provided with a material bin on one side.

[0008] On the basis of the above technical scheme, the rotator comprises a mounting seat, the rotator is arranged on the mounting seat, the pneumatic clamp jaw is arranged on the rotary movable end of the rotator, and an angle limit part is arranged between the rotary movable end of the rotator and the mounting seat.

[0009] On the basis of the above technical scheme, the angle limit part comprises a fixed block arranged on the mounting seat and a movable block arranged on the rotary movable end of the rotator, the movable block can be attached to the fixed block after rotating a threshold angle, thereby forming a rotary stroke limiting structure.

[0010] On the basis of the above technical scheme, the limit stopper is a plug rod arranged on one side of the conveying device, a limit cylinder is transmissionally connected to the outside end of the plug rod, the limit cylinder can drive the plug rod to move close to or away from the tool holder on the conveying belt feeding path, and the limit locking structure is formed after the plug rod is moved close.

[0011] On the basis of the above technical scheme, the pressing-in assembly comprises a first support, a first cylinder is arranged on the top of the first support, the telescopic end of the first cylinder is vertically downward and connected with a lifting plate, a first mounting block is arranged on the bottom of the lifting plate, the first pressing block is detachably arranged on the bottom of the first mounting block, and the first pressing block is provided with a pressing groove structure matched with the top local contour of the end foot.

[0012] On the basis of the above technical scheme, the first mounting block is provided with a detachable false pressing block on one side of the first pressing block.

[0013] On the basis of the above technical scheme, the lifting plate and the first support are provided with a guide structure and a stroke limiting structure matching the lifting plate movement path, and the bottom of the first mounting block is further provided with a springing rod.

[0014] On the basis of the above technical scheme, the pressing assembly comprises a second support, the second support is provided with a sliding module, the sliding module is provided with a slider capable of vertically moving up and down, the bottom of the slider is provided with a second mounting block, and the second pressing block is detachably arranged at the bottom of the second mounting block, and the second pressing block is provided with a pressing groove structure matching the overall contour of the end foot top.

[0015] On the basis of the above technical scheme, the first mounting block and the second mounting block are identical in structure, and the connection contour of the second pressing block and the second mounting block is equal to the combined connection contour of the first pressing block, the dummy pressing block and the first mounting block.

[0016] Compared with the prior art, the utility model at least has the following advantages:

[0017] 1. The end foot feeding device, the conveying device, the pressing-in assembly, the pressing assembly, the visual detection device and the discharging manipulator work cooperatively to realize automatic assembly of the relay end foot and the body, greatly reduce the labor participation degree and improve the production efficiency.

[0018] 2. The introduction of the rotator and the visual detection device ensures accurate adjustment of the end foot direction and real-time monitoring of the assembly quality, effectively reducing the defective product rate.

[0019] 3. The detachable design of the pressing block and the addition of the dummy pressing block in the utility model make the equipment adapt to different models of relay end feet, improve the versatility and flexibility of the equipment.

[0020] 4. The introduction of the automatic assembly line reduces the demand for manual quality inspection, reduces the quality inspection cost, improves the production efficiency and further reduces the overall production cost.

[0021] 5. The utility model distributes the pressing-in assembly and the pressing assembly to perform the pressing operation of the end foot in stages, which is beneficial to fine control of the stamping action, improves the pressing stability and completion degree and further reduces the defective product rate. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment;

[0024] Figure 2 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment; Figure 1 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment;

[0025] Figure 3 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment; Figure 1 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment;

[0026] Figure 4 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment; Figure 3 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment;

[0027] Figure 5 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment; Figure 1 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment;

[0028] Figure 6 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment;

[0029] Figure 7 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment; Figure 6 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment;

[0030] Figure 8 Structure diagram of the foot mechanism of the relay assembly machine in an embodiment.

[0031] In the figure: 100, foot feeding device; 110, hopper; 120, vibrating feeding disc; 130, straight vibrator; 140, rotary device; 141, pneumatic clamping jaw; 142, rotary driving part; 143, mounting seat; 144, angle limiting part; 150, feeding manipulator; 200, conveying device; 210, limiting part; 300, pressing device; 310, pressing assembly; 311, first support; 312, first cylinder; 313, lifting plate; 314, first mounting block; 315, first pressing block; 316, elastic pressing rod; 317, stroke limiting block; 318, dummy pressing block; 320, pressing assembly; 321, second support; 322, sliding module; 323, sliding block; 324, second mounting block; 325, second pressing block; 400, visual detection device; 500, discharging manipulator. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0033] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to one element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration, and do not represent the only embodiments.

[0035] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0036] In conjunction with Figures 1-8 The present embodiment discloses a presser foot mechanism of a relay assembly machine, aiming to realize automatic operation of installation of relay end feet and relay main bodies through mechanical structure design, i.e. to provide a presser foot mechanism for automatic operation of the relay assembly machine.

[0037] The presser foot mechanism specifically comprises an end foot feeding device 100, in conjunction with Figures 1-3The end foot feeding device 100 comprises a stock bin 110, a vibrating feeding disc 120, a linear vibrator 130, a rotator 140 and a feeding manipulator 150. The stock bin 110 is located at one side of the vibrating feeding disc 120 and is used for regularly feeding the vibrating feeding disc 120 so that the number of end feet in the vibrating feeding disc 120 is in the expected range, thereby reducing the situation that the vibrating feeding cannot be carried out due to overstocking or lack of stock.

[0038] Further, as shown in Figure 4 The rotator 140 comprises a mounting seat 143, the rotator 140 is arranged on the mounting seat 143, the pneumatic clamping jaw 141 is arranged on the rotating movable end of the rotator 140, and the rotating movable end of the rotator 140 and the mounting seat 143 are provided with an angle limiting piece 144. The angle limiting piece 144 comprises a fixed block arranged on the mounting seat 143 and a movable block arranged on the rotating movable end of the rotator 140, the movable block can be attached to the fixed block after rotating a threshold angle, thereby forming a rotating stroke limiting structure. It should be noted that one side of the rotator 140 is provided with a pneumatic cylinder, the telescopic rod of the pneumatic cylinder is connected with a rack inside the rotator 140, the rack is drivingly connected with a gear, and the gear is synchronously connected with the rotating movable end. This is prior art, and the specific structure and working principle will not be described here. Those skilled in the art can select and implement according to the actual working condition.

[0039] The output end of the feeding manipulator 150 is provided with a conveying device 200, which is combined with Figure 5As shown, the conveying device 200 is provided with a plurality of equidistantly distributed tool seats, configured by a pushing device, capable of pushing the tool seats to move along the threshold path one by one, the conveying device 200 is provided with a limit stop 210 capable of being opened and closed, the limit stop 210 is used to control the material feeding start-stop state of the tool seat at the threshold position, the limit stop 210 is a plug rod arranged on one side of the conveying device 200, the outer side end of the plug rod is drivingly connected with a limit cylinder, the limit cylinder can drive the plug rod to approach or move away from the tool seat located on the conveying belt material feeding path, and after approaching, the limit stop structure is formed by abutting. It should be noted that the conveying device 200 is prior art, and its specific structure and working principle can be referred to the related contents in the patents such as CN106206160B and CN219329219U, which will not be repeated here, and the person skilled in the art can select and implement from the prior art according to the actual working condition.

[0040] The material feeding path of the conveying device 200 is provided with a pressing device 300, the pressing device 300 includes a pressing assembly 310 and a pressing assembly 320 arranged in sequence, the pressing assembly 310 and the pressing assembly 320 are respectively provided with a pressing block capable of longitudinal stamping, the pressing block of the pressing assembly 310 is a first pressing block 315 for pressing the end foot in the pre-insertion state into the relay main body end foot mounting position, and the pressing block of the pressing assembly 320 is a second pressing block 325 for pressing the end foot into position, the material feeding path of the conveying device 200 is provided with a visual detection device 400 and a discharging manipulator 500 arranged in front and back at the rear end of the conveying device 200, the visual detection device 400 is used to detect the assembly quality of the end foot, which is prior art, and its specific structure and working principle will not be repeated here, and the person skilled in the art can select and implement from the prior art according to the actual working condition. The discharging manipulator 500 is used to transfer the product at the rear end of the conveying device 200, and a discharging conveying device 200 can be configured.

[0041] Specifically, as shown in Figure 6 The pressing assembly 310 includes a first support 311, the top of the first support 311 is provided with a first cylinder 312, the extension end of the first cylinder 312 is vertically downward and connected with a lifting plate 313, the bottom of the lifting plate 313 is provided with a first mounting block 314, and the first pressing block 315 is detachably mounted at the bottom of the first mounting block 314, specifically, the top of the first pressing block 315 is inserted into the slot at the bottom of the first pressing block 315, and is locked and fixed by bolts, and the first pressing block 315 is provided with a pressing groove structure matched with the top local contour of the end foot.

[0042] Further, as shown in Figure 7 The first mounting block 314 is provided with a detachable false pressing block 318 on one side of the first pressing block 315, and the false pressing block 318 is used to fill the empty gap of the slot at the bottom of the first pressing block 315 completely.

[0043] The lifting plate 313 is provided with a guide structure (guide rail) and a stroke limiting structure (stroke limiting block 317) matching the activity path of the lifting plate 313 between the first support 311, and the bottom of the first mounting block 314 is further provided with a springing rod 316 for preventing the first pressing block 315 from excessively rigidly extruding the relay during the pressing process.

[0044] In combination Figure 8 As shown, the pressing assembly 320 comprises a second support 321, and the second support 321 is provided with a sliding module 322, and the sliding module 322 is provided with a sliding block 323 capable of vertically moving up and down, and the bottom of the sliding block 323 is provided with a second mounting block 324, and the second pressing block 325 is detachably arranged at the bottom of the second mounting block 324, and the second pressing block 325 is provided with a pressing groove structure matching the overall contour of the end foot top. The connection contour of the second pressing block 325 and the second mounting block 324 is equal to the combined connection contour of the first pressing block 315, the false pressing block 318 and the first mounting block 314. It should be noted that the structure of the second mounting block 324 is consistent with the structure of the first mounting block 314, and the difference lies in that the second mounting hole is not provided with the false pressing block 318, but another supplementary pressing block is replaced with the false pressing block 318, thereby forming the complete structure of the second pressing block 325, which can press and hold the whole end foot, so that it is assembled in place. This structure is beneficial to the structure unification of parts, improves the replaceability, and thus reduces the cost of replacing parts during maintenance.

[0045] In the specific implementation process, the end foot feeding device 100 sends the end foot into the conveying device 200 one by one, and the relay body originally placed in the tool seat by means of the external transfer device is preliminarily inserted, then moves to the first pressing station below the pressing assembly 310, the first pressing block 315 descends to press the end foot for the first time, so that the end foot is stably and reliably partially inserted into the mounting position, then the tool seat drives the workpiece to move to the second pressing station below the pressing assembly 320, the second pressing block 325 descends to press the end foot for the second time, so that the end foot is assembled in place relative to the relay body, then enters the station below the visual inspection device 400, and performs quality inspection, and the system determines whether it is qualified and sends corresponding instructions to the discharging manipulator 500, and the discharging operation of the product is completed.

[0046] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A presser foot mechanism of a relay assembly machine, characterized by, The application relates to an end foot feeding device (100), which comprises a vibrating feeding tray (120), a straight vibrator (130), a rotator (140) and a feeding manipulator (150), the straight vibrator (130) is connected to the output end of the vibrating feeding tray (120), the rotator (140) is arranged between the output end of the straight vibrator (130) and the feeding manipulator (150), the rotator (140) is provided with a pneumatic clamping jaw (141), the pneumatic clamping jaw (141) is connected with a rotating driving element (142), the output end of the feeding manipulator (150) is provided with a conveying device, a plurality of tool holders are arranged on the conveying device at equal intervals, the conveying device is provided with a limiting device (210) capable of being opened and closed, the limiting device (210) is used for controlling the feeding start-stop state of the tool holders at a threshold position, a pressing device (300) is arranged on the feeding path of the conveying device, the pressing device (300) comprises a pressing-in assembly (310) and a pressing assembly (320) arranged in sequence, the pressing-in assembly (310) and the pressing assembly (320) are respectively provided with pressing blocks capable of being longitudinally punched, the pressing block of the pressing-in assembly (310) is a first pressing block (315) used for pressing an end foot in a pre-insertion state into a relay main body end foot mounting position, the pressing block of the pressing assembly (320) is a second pressing block (325) used for pressing the end foot into position, and the feeding path of the conveying device is provided with vision detection devices (400) and a discharging manipulator (500) arranged in front and back of the rear end of the pressing assembly (320).

2. The presser foot mechanism of a sewing machine according to claim 1, wherein The vibrating feeding tray (120) is provided with a material bin (110) on one side.

3. The presser foot mechanism of a sewing machine according to claim 1, wherein The rotator (140) comprises a mounting seat (143), the rotator (140) is arranged on the mounting seat (143), the pneumatic clamping jaw (141) is arranged on the rotating movable end of the rotator (140), and an angle limiting element (144) is arranged between the rotating movable end of the rotator (140) and the mounting seat (143).

4. The presser foot mechanism of a sewing machine according to claim 3, wherein The angle limiting element (144) comprises a fixed block arranged on the mounting seat (143) and a movable block arranged on the rotating movable end of the rotator (140), the movable block can be attached to the fixed block after rotating a threshold angle, and a rotating stroke limiting structure is formed.

5. The presser foot mechanism of a sewing machine according to claim 1, wherein The limiting device (210) is a plug rod arranged on one side of the conveying device, a limiting cylinder is transmissionally connected to the outside end of the plug rod, the limiting cylinder can drive the plug rod to approach or move away from the tool holder located on the transmission belt feeding path, and a limiting locking structure is formed after the plug rod approaches.

6. The presser foot mechanism of a sewing machine according to claim 1, wherein The pressing-in assembly (310) comprises a first support (311), the first support (311) is provided with a first cylinder (312) at the top, the telescopic end of the first cylinder (312) vertically faces downward and is connected with a lifting plate (313), the lifting plate (313) is provided with a first mounting block (314) at the bottom, the first pressing block (315) is detachably mounted at the bottom of the first mounting block (314), and the first pressing block (315) is provided with a pressing groove structure matched with the top local contour of the end foot.

7. The presser foot mechanism of a sewing machine according to claim 6, wherein The first mounting block (314) is provided with a detachable false pressing block (318) on one side of the first pressing block (315).

8. The presser foot mechanism of a sewing machine according to claim 6, wherein The lifting plate (313) is provided with a guide structure and a stroke limiting structure matching the activity path of the lifting plate (313) between the first support (311), and the bottom of the first mounting block (314) is further provided with a springing rod (316).

9. The presser foot mechanism of a sewing machine according to claim 7, wherein The material pressing assembly (320) comprises a second support (321) provided with a sliding module (322) having a vertically movable sliding block (323) provided at the bottom with a second mounting block (324), and the second pressing block (325) is detachably arranged at the bottom of the second mounting block (324) and provided with a pressing groove structure matching the overall contour of the end foot top.

10. The presser foot mechanism of a sewing machine according to claim 9, wherein The first mounting block (314) and the second mounting block (324) are identical in structure, and the connection contour of the second pressing block (325) and the second mounting block (324) is equal to the combined connection contour of the first pressing block (315), the dummy pressing block (318) and the first mounting block (314).

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