Full-automatic contact sheet flattening machine and method
The fully automatic flattening machine, with its vibration feeding, staggered conveying, and PLC-controlled automated production of contact pieces, solves the problems of low efficiency in manual placement and difficulty in controlling the thickness of the upsetting material, thus achieving efficient and precise contact piece stamping.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-09-26
- Publication Date
- 2026-04-10
AI Technical Summary
The existing technology for stamping and flattening contact pieces suffers from problems such as low efficiency due to manual placement, unstable quality, and difficulty in controlling the thickness of the upsetting.
The fully automatic flattening machine, consisting of a vibratory feeding mechanism, a staggered conveying mechanism, a transplanting mechanism, and a PLC controller, combined with a 10T pneumatic press and infrared sensors, realizes the automated feeding, positioning, and stamping of contact pieces. The thickness of the bulging is controlled by the cooperation of the side-entry inclined blocks.
It has achieved fully automated production of contact pieces, improved production efficiency, reduced human error, ensured the controllability of the upsetting thickness, and avoided the situation of over- or under-upsetting.
Smart Images

Figure CN115430771B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of low-voltage circuit breaker automation equipment, and particularly relates to a full-automatic contact piece flattening machine and method. BACKGROUND
[0002] At present, a stamping die is a special process equipment for processing materials into parts in cold stamping processing, and is called a cold stamping die, which is commonly known as a cold stamping die. Punching is a kind of pressure processing method that separates or plastically deforms materials at room temperature by using a die installed on a press machine to apply pressure to the materials.
[0003] The authorized publication No. "CN213671418U" records "a stamping die for producing circuit breaker contact pieces, comprising an upper die and a lower die, a material guiding assembly is arranged between the lower die and the upper die, the material guiding assembly comprises two parallel limiting strips arranged on the upper end of the lower die and two groups of limiting wheels rotatably arranged on the side close to each other of the limiting strips, and a material slot is formed between the two groups of limiting wheels for the sliding of the material belt";
[0004] The above-mentioned patent has the following effects:
[0005] 1. The two groups of limiting wheels in the material guiding assembly limit the material belt passing between the limiting wheels, so that the material belt can enter the stamping die in the correct posture;
[0006] 2. The compression spring abuts against the supporting rod, and the compression spring is adjusted by the adjusting bolt, so that the material guiding assembly can be suitable for material belts of different thicknesses;
[0007] 3. The limiting strips are slid in the installation grooves and fixed by the positioning bolts, so that the material guiding assembly can be suitable for material belts of different widths;
[0008] However, the above-mentioned patent has the following defects:
[0009] 1. The contact pieces need to be placed manually during the stamping and flattening process, which results in high labor intensity and low efficiency due to large production;
[0010] 2. Manual placement may not be in place, which affects the product quality;
[0011] 3. The stamping and flattening of the above-mentioned patent uses a stamping machine that directly flattens up and down, which cannot control the thickness of the bump, and may cause over-flattening or under-flattening. SUMMARY
[0012] The purpose of the present application is to provide a full-automatic contact piece flattening machine and method, which aims to solve the technical problems in the prior art.
[0013] To achieve the above object, the present application provides the following technical solutions:
[0014] A full-automatic contact sheet flattening machine comprises:
[0015] an operation table; and
[0016] a stamping mechanism arranged on the operation table and used for realizing contact sheet stamping flattening;
[0017] It further comprises:
[0018] a vibrating feeding mechanism arranged on one side of the operation table and used for realizing contact sheet feeding;
[0019] a staggered conveying mechanism arranged on the operation table and used for receiving the contact sheet conveyed by the vibrating feeding mechanism and then conveying the contact sheet;
[0020] a transplanting mechanism arranged on the operation table and used for grabbing the contact sheet conveyed by the staggered conveying mechanism based on multi-directional movement and then conveying the contact sheet to the stamping mechanism to realize contact sheet stamping flattening; and
[0021] a PLC controller electrically connected with the vibrating feeding mechanism, the staggered conveying mechanism, the transplanting mechanism and the stamping mechanism to realize automatic control.
[0022] As a preferred scheme of the present application, the vibrating feeding mechanism comprises:
[0023] a feeding frame arranged on one side of the operation table;
[0024] a circular vibrating feeding platform arranged in the feeding frame and containing the contact sheet therein and used for realizing contact sheet discharging; and
[0025] a linear vibrating feeding platform arranged on the feeding frame and connected with the circular vibrating feeding platform and used for receiving the contact sheet conveyed by the circular vibrating feeding platform and then accelerating the contact sheet to the staggered conveying mechanism.
[0026] As a preferred scheme of the present application, the staggered conveying mechanism comprises:
[0027] a staggered platform arranged on the operation table;
[0028] a fixed block arranged on the upper side of the staggered platform and having a placement groove for accommodating the contact sheet and a stepped groove for facilitating grabbing on the top thereof; and
[0029] a staggered conveying assembly arranged between the staggered platform and the fixed block and used for moving the fixed block to convey the contact sheet.
[0030] As a preferred scheme of the present application, the misplacement conveying mechanism further comprises:
[0031] A misplacement sensing assembly is arranged on the misplacement platform, which is used to determine whether the contact sheet is conveyed to the right position.
[0032] As a preferred scheme of the present application, the transplanting mechanism comprises:
[0033] A transplanting table is arranged on the upper side of the operation table;
[0034] A manipulator-A is arranged on one side of the top of the transplanting table, which is used to grab the contact sheet;
[0035] A manipulator-B is arranged on the other side of the top of the transplanting table, which is used to grab the contact sheet after being stamped and flattened;
[0036] A Z-direction conveying assembly is arranged on the operation table, which is used to realize the Z-direction movement of the manipulator-A and the manipulator-B;
[0037] A Y-direction conveying assembly is arranged on the Z-direction conveying assembly, which is used to realize the Y-direction movement of the manipulator-A and the manipulator-B; and
[0038] An X-direction conveying assembly is arranged on the Y-direction conveying assembly and connected with the transplanting table, which is used to realize the X-direction movement of the manipulator-A and the manipulator-B.
[0039] As a preferred scheme of the present application, the stamping mechanism comprises:
[0040] A stamping lifting assembly is arranged on the operation table;
[0041] An upper die is arranged on the output part of the stamping lifting assembly;
[0042] A lower die is arranged on the operation table and located on the lower side of the upper die, and the top of the lower die is provided with a placing groove for placing the contact sheet;
[0043] A flattening block is arranged on the bottom of the upper die, which is used to realize the stamping and flattening of the contact sheet; and
[0044] An infrared sensor-B is arranged in the placing groove, which is used to sense the contact sheet to realize automatic grabbing.
[0045] As a preferred scheme of the present application, the stamping lifting assembly is a 10T pneumatic press assembly.
[0046] As a preferred scheme of the present application, the stamping mechanism further comprises:
[0047] Two side-in inclined blocks-A are arranged on the bottom of the upper die and symmetrically distributed on both sides of the flattening block; and
[0048] Side entry inclined block-B, which is provided with two, is arranged on the lower mold and is symmetrically distributed on both sides of the placement groove, and is matched with the side entry inclined block-A.
[0049] As a preferred scheme of the present application, further comprising:
[0050] Blanking chute, which is arranged on the operation table and is located on one side of the stamping mechanism, is used to realize discharging.
[0051] A full-automatic method for flattening a contact piece, the method comprising the following steps:
[0052] S1, vibrating feeding: starting the circular vibrating feeding platform and the linear vibrating feeding platform through the PLC controller, the circular vibrating feeding platform realizes automatic discharging of the contact piece and transports the contact piece to the linear vibrating feeding platform, then the linear vibrating feeding platform linearly accelerates, and finally the contact piece is transported to the placement groove;
[0053] S2, misaligned conveying: when the infrared sensor-A judges that the contact piece is in place, the PLC controller stops the circular vibrating feeding platform and the linear vibrating feeding platform, then the PLC controller positively starts the misaligned conveying assembly to run for A seconds, the misaligned conveying assembly pushes the fixed block to move towards one side of the stamping mechanism, and finally realizes misaligned movement of the conveying piece;
[0054] S3, contact piece grabbing and conveying: the PLC controller positively starts the Y-direction conveying assembly to run for B seconds, the Y-direction conveying assembly pushes the mechanical hand-A to move towards one side of the contact piece, then the PLC controller controls the mechanical hand-A to grab the contact piece, the PLC controller positively starts the Z-direction conveying group to run for C seconds to realize upward movement of the mechanical hand-A, then the PLC controller positively starts the Y-direction conveying assembly to run for D seconds, the Y-direction conveying assembly conveys the mechanical hand-A to the upper side of the placement groove, the PLC controller reversely starts the misaligned conveying assembly to run for A seconds to realize resetting thereof, and at the same time, the PLC controller reversely starts the Z-direction conveying assembly to run for C seconds to realize downward movement of the mechanical hand-A, then the contact piece is conveyed to the placement groove, when the infrared sensor-B senses that the contact piece completely falls into the placement groove, the PLC controller controls the mechanical hand-A to release and simultaneously controls the Y-direction conveying assembly to reversely start for D seconds to realize resetting thereof;
[0055] S4, stamping and flattening: the PLC controller controls the stamping lifting assembly to positively start for E seconds, the stamping lifting assembly pushes the upper mold to move downward, then the stamping and flattening process is performed on the protruding part of the contact piece through the flattening block, at the same time of the stamping and flattening, steps S1-S2 are executed, after the stamping and flattening, the PLC controller controls the stamping lifting assembly to reversely start for E seconds to realize resetting thereof;
[0056] S5, the contact piece is grabbed, transported and finished product is discharged: the step S3 is executed to realize the contact piece grabbing and transporting again, in the above process, when the manipulator-A is above the contact piece, the manipulator-B is above the contact piece after being stamped and flattened, the PLC controller controls the manipulator-A to realize grabbing, and simultaneously controls the manipulator-B to grab the contact piece after being stamped and flattened, then controls the manipulator-B to release when the manipulator-A releases, finally the contact piece after being stamped and flattened is transported to the discharge slide to realize finished product discharge.
[0057] Compared with the prior art, the beneficial effects of the present application are:
[0058] (1) The present application adopts a vibrating feeding mechanism to automatically feed, so that the contact piece is arranged in a standard posture and transported to the staggered conveying mechanism, then transported by the staggered conveying mechanism, adjusted in X, Y and Z directions by the transplanting mechanism, then grabbed by the manipulator-A and transported to the stamping mechanism, then stamped and flattened, when the manipulator-A is reset, the manipulator-B grabs the finished contact piece, at the same time, the manipulator-A synchronously grabs the unprocessed contact piece, then realizes synchronous feeding and discharging, the above process is fully automatic operation, and the efficiency is greatly improved.
[0059] (2) The present application is fully automatic operation, and the position of the contact piece is sensed by the infrared sensor-B, which has high precision and greatly reduces the deviation caused by manual placement in the prior art.
[0060] (3) When the upper die drives the flattening block to move downward for stamping and flattening, the side-in inclined block-A and the side-in inclined block-B are matched and buffered, and the deformation area of the contact piece is accurately fixed in a size by the simultaneous action, the side is pressed tightly, the thickening thickness is controllable, the process control ability is improved, and then the contact piece will not be flattened too much or too little.
[0061] (4) The present application uses a 10T ton press when stamping and flattening, which has small volume and low cost. BRIEF DESCRIPTION OF DRAWINGS
[0062] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, which together with the embodiments of the present application, serve to explain the present application, and do not constitute a limitation on the present application. In the drawings:
[0063] Figure 1 It is a first perspective view of a contact piece full-automatic flattening machine of the present application;
[0064] Figure 2 It is a second perspective view of a contact piece full-automatic flattening machine of the present application;
[0065] Figure 3Figure 1 is a first perspective view of a misaligned conveying mechanism (4) in a full-automatic contact sheet flattening machine according to the present application;
[0066] Figure 4 Figure 2 is a second perspective view of the misaligned conveying mechanism (4) in the full-automatic contact sheet flattening machine according to the present application;
[0067] Figure 5 Figure 3 is a perspective view of a vibrating feeding mechanism (3) in the full-automatic contact sheet flattening machine according to the present application;
[0068] Figure 6 Figure 4 is a first perspective view of a transplanting mechanism (5) in the full-automatic contact sheet flattening machine according to the present application;
[0069] Figure 7 Figure 5 is a second perspective view of the transplanting mechanism (5) in the full-automatic contact sheet flattening machine according to the present application;
[0070] Figure 8 Figure 6 is a perspective view of a stamping mechanism (6) in the full-automatic contact sheet flattening machine according to the present application;
[0071] Figure 9 Figure 7 is a perspective view of an upper die (603) in the full-automatic contact sheet flattening machine according to the present application;
[0072] Figure 10 Figure 8 is a flow chart of a full-automatic contact sheet flattening method according to the present application.
[0073] In the figures:
[0074] 1, operation table;
[0075] 2, PLC controller;
[0076] 3, vibrating feeding mechanism; 301, outer frame; 302, circular vibrating feeding platform; 303, linear vibrating feeding platform; 304, PV sheet;
[0077] 4, misaligned conveying mechanism; 401, misaligned support table; 402, support column; 403, misaligned fixed table; 404, misaligned slide rail; 405, misaligned air cylinder; 406, fixed block; 407, placement groove; 408, stepped groove; 409, misaligned baffle; 4010, support; 4011, infrared sensor-A;
[0078] 5, transplanting mechanism; 501, Z-direction air cylinder; 502, Z-direction support table; 503, Z-direction guide column; 504, Z-direction limiter; 505, Y-direction air cylinder; 506, Y-direction support table; 507, Y-direction guide rail; 508, Y-direction slide rail; 509, X-direction air cylinder; 5010, transplanting table; 5011, X-direction guide column; 5012, mechanical hand-A; 5013, mechanical hand-B; 5014, cross plate; 5015, X-direction mounting seat;
[0079] 6, punch mechanism; 601, C-shaped fixed seat; 602, punch lifter; 603, upper die; 604, flattening block; 605, side entry inclined block-A; 606, lower die; 607, side entry inclined block-B; 608, installation groove; 609, infrared sensor-B;
[0080] 7, blanking slide. DETAILED DESCRIPTION
[0081] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.
[0082] Embodiment 1:
[0083] Referring to Figures 1-10 , the present application provides the following technical solutions:
[0084] Referring to Figure 1 , a full-automatic contact sheet flattening machine is composed of an operation table 1, a PLC controller 2, a vibrating feeding mechanism 3, a staggered conveying mechanism 4, a transplanting mechanism 5 and a punch mechanism 6, which are specifically described as follows:
[0085] Referring to Figure 1 , Figure 2 , Figure 8 and the drawings, the punch mechanism 6 is arranged on the operation table 1 and is used to realize the punching and flattening of the contact sheet. The punch mechanism 6 is composed of a punch lifting assembly, an upper die 603, a flattening block 604, a lower die 606 and an infrared sensor-B 609, which are specifically described as follows:
[0086] Referring to Figure 1 and Figure 2 , the punch lifting assembly is arranged on the operation table 1 and is integrally formed as a 10T pneumatic press assembly. Specifically, the punch lifting assembly is composed of a C-shaped fixed seat 601 and a punch lifter 602. The C-shaped fixed seat 601 is fixed to the top of the operation table 1. The punch lifter 602 has a thick end and a thin end. The thick end is a fixed end and is fixed to the top of the C-shaped fixed seat 601. The thin end is an elongated end and is movably penetrated through the C-shaped fixed seat 601. The punch lifter 602 is electrically connected with the PLC controller 2 and is controlled by the PLC controller 2. The punch lifter 602 adopts a 10T pneumatic press. According to calculation, only 6T pressure is needed when the present application is used for punching and flattening. Based on the principle of appropriately leaving a safety margin, a 10T pneumatic press is selected in the present application, which has small volume and low cost.
[0087] Referring to Figure 1And Figure 8 The upper die 603 is fixed to the elongated end of the stamping lifting assembly 602, i.e. the upper die 603 is fixed to the elongated end of the stamping lifting assembly 602, and the upper die 603 is lifted by the lifting of the stamping lifting assembly 602;
[0088] Please continue to refer to Figure 1 And Figure 8 The lower die 606 is fixed to the top of the operation table 1 and is located below the upper die 603, and the top is provided with a placing groove 608 for placing the contact sheet. When the contact sheet is stamped and flattened, it is placed in the placing groove 608;
[0089] Please refer to Figure 1 And Figure 8 The flattening block 604 is fixed to the bottom center of the upper die 603, which is used to realize the stamping and flattening of the contact sheet, and the flattening block 604 is used to stamp and flatten the protruding part of the contact sheet;
[0090] Please refer to Figure 8 The infrared sensor-B 609 is fixed in the placing groove 608 by a screw mounting part, which is used to sense the contact sheet to realize automatic grabbing. The infrared sensor-B 609 is electrically connected with the PLC controller 2. After the infrared sensor-B 609 senses that the contact sheet is placed, it feeds back the sensing signal to the PLC controller 2 for subsequent control. The infrared sensor-B 609 is equivalent to an intelligent sensing switch.
[0091] Please refer to Figure 1 、 Figure 2 And Figure 5 The vibrating feeding mechanism 3 is arranged on one side of the operation table 1, which is used to realize the discharge of the contact sheet. The vibrating feeding mechanism 3 is composed of a feeding frame, a circular vibrating feeding platform 302 and a linear vibrating feeding platform 303, which are described as follows:
[0092] Please refer to Figure 5 The feeding frame is arranged on one side of the operation table 1, which is composed of an outer frame 301 provided with a PV plate 304, and then a layer of sound insulation cotton is covered on the surface of the PV plate 304. Since the circular vibrating feeding platform 302 and the linear vibrating feeding platform 303 adopt the mode of discharging for the output of the contact sheet, the sound insulation cotton can greatly reduce the noise;
[0093] Please refer to Figure 5 The circular vibrating feeding platform 302 is arranged in the feeding frame, which contains the contact sheet and is used to realize the discharge of the contact sheet;
[0094] Please continue to refer to Figure 5The linear vibration feeding platform 303 is arranged on the feeding frame body and connected with the circular vibration feeding platform 302, which is used for receiving the contact piece delivered by the circular vibration feeding platform 302 and then accelerating the delivery to the staggered conveying mechanism 4. Specifically, the linear vibration feeding platform 303
[0095] In the embodiment, the circular vibration feeding platform 302 and the linear vibration feeding platform 303 are electrically connected with the PLC controller 2 and controlled by the PLC controller 2. The circular vibration feeding platform 302 adopts a large vibration base and a large disc surface, and a replaceable screening block is arranged on the disc surface, which can be replaced according to different parts. The linear vibration feeding platform 303 and the fixed plate of the circular vibration feeding platform 302 are connected together to form an independent module, so as to facilitate overall adjustment. A small inspection window is arranged on the top of the outer frame 301, so that the internal condition can be seen at any time. It should be noted that the circular vibration feeding platform 302 and the linear vibration feeding platform 303 both adopt conventional technical means in the art, so the internal structure is not described. The corresponding model can be selected according to actual needs to adapt to the present application.
[0096] Please refer to Figure 1 , Figure 3 and Figure 4 The staggered conveying mechanism 4 is arranged on the operation table 1, which is used for receiving the contact piece delivered by the vibration feeding mechanism 3 and then conveying the contact piece. The staggered conveying mechanism 4 is composed of a staggered platform, a fixed block 406 and a staggered conveying assembly, which will be described as follows.
[0097] Please refer to Figure 3 The staggered platform is arranged on the operation table 1, and the staggered platform is composed of a staggered support table 401 and a support column 402. The staggered support table 401 is arranged on the upper side of the operation table 1, and the support column 402 is provided with four support columns 402, which are respectively fixed to the four corners of the bottom of the staggered support table 401, and the bottom is fixed to the top of the operation table 1.
[0098] Please continue to refer to Figure 3 The fixed block 406 is arranged on the upper side of the staggered platform, and the top is provided with a placing groove 407 for accommodating the contact piece and a stepped groove 408 for facilitating grabbing. Specifically, the fixed block 406 is located on the upper side of the staggered support table 401.
[0099] Please refer to Figure 3 and Figure 4, the misalignment conveying assembly is arranged between the misalignment platform and the fixed block 406, and is used to move the fixed block 406 to convey the contact sheet, the misalignment conveying assembly is composed of a misalignment fixed table 403, a misalignment sliding rail 404, a misalignment air cylinder 405 and a misalignment baffle 409, the misalignment fixed table 403 is fixed on the top of the misalignment support table 401, the misalignment sliding rail 404 is slidably arranged on the top of the misalignment fixed table 403, the fixed block 406 is fixed on the top of the misalignment sliding rail 404, the misalignment air cylinder 405 is fixed on the top of the misalignment support table 401, and the output end of the misalignment air cylinder 405 is movably penetrated through the misalignment fixed table 403 and is fixed with the side wall of the misalignment sliding rail 404, the misalignment air cylinder 405 is electrically connected with the PLC controller 2 and is controlled by the PLC controller 2, and the misalignment baffle 409 is fixed on the side end of the fixed block 406; the misalignment air cylinder 405 is controlled by the PLC controller 2, then the fixed block 406 is pushed to translate, and then the contact sheet is conveyed;
[0100] Please refer to Figure 1 、 Figure 6 and Figure 7 , the transplanting mechanism 5 is arranged on the operation table 1, which is based on multi-directional movement to grab the contact sheet conveyed by the misalignment conveying mechanism 4, and then conveyed to the stamping mechanism 6 to realize the stamping and flattening of the contact sheet, the transplanting mechanism 5 is composed of a transplanting table 5010, a mechanical hand-A 5012, a mechanical hand-B 5013, an X-direction conveying assembly, a Y-direction conveying assembly and a Z-direction conveying assembly, which are specifically described as follows:
[0101] Please refer to Figure 6 , the transplanting table 5010 is arranged on the upper side of the operation table 1;
[0102] Please continue to refer to Figure 6 , the mechanical hand-A 5012 is fixed on one side of the top of the transplanting table 5010, which is used to grab the contact sheet, and the mechanical hand-A 5012 is electrically connected with the PLC controller 2 and controlled by the PLC controller 2 to clamp and loosen;
[0103] Please refer to Figure 6 , the mechanical hand-B 5013 is fixed on the other side of the top of the transplanting table 5010, which is used to grab the contact sheet after stamping and flattening, and the mechanical hand-B 5013 is electrically connected with the PLC controller 2 and controlled by the PLC controller 2 to clamp and loosen;
[0104] It should be noted that: the mechanical hand-A 5012 and the mechanical hand-B 5013 are both composed of a finger type air cylinder and a specially designed clamping jaw, which can simultaneously clamp a workpiece and a spare part, realize synchronous unloading and loading, save time, and improve efficiency, which adopts conventional technical means in the art;
[0105] Please refer to Figure 7The Z-direction conveying assembly is arranged on the operation table 1, and is used to realize Z-direction movement of the manipulator-A 5012 and the manipulator-B 5013. Specifically, the Z-direction conveying assembly is composed of a Z-direction air cylinder 501, a Z-direction support table 502, Z-direction guide columns 503, Z-direction limiters 504 and cross plates 5014. The Z-direction air cylinder 501 is composed of a thick end and a thin end. The thick end is a fixed end, which is fixed to the inner wall of the top of the operation table 1. The thin end is an elongated end, which is movably penetrated through the operation table 1 and extends upward. The Z-direction support table 502 is fixed to the output end of the Z-direction air cylinder 501 and is located on the upper side of the operation table 1. The Z-direction guide columns 503 are provided with four, which are respectively fixed to the four corners of the bottom of the Z-direction support table 502. The four Z-direction guide columns 503 are movably penetrated through the operation table 1 and extend into the operation table 1. The Z-direction limiters 504 and the cross plates 5014 are each provided with two. Each cross plate 5014 is fixed to the bottom of two Z-direction guide columns 503. Two Z-direction limiters 504 are correspondingly fixed to the top of two cross plates 5014. The Z-direction air cylinder 501 is electrically connected with the PLC controller 2 and is controlled thereby to realize Z-direction adjustment. The Z-direction air cylinder 501 can be selected according to actual needs;
[0106] Please continue to refer to Figure 7 The Y-direction conveying assembly is arranged on the Z-direction conveying assembly, and is used to realize Y-direction movement of the manipulator-A 5012 and the manipulator-B 5013. Specifically, the Y-direction conveying assembly is composed of a Y-direction air cylinder 505, a Y-direction support table 506, Y-direction guide rails 507 and Y-direction sliding rails 508. The Y-direction support table 506 is arranged on the upper side of the Z-direction support table 502. The Y-direction guide rails 507 and the Y-direction sliding rails 508 are each provided with two. Two Y-direction guide rails 507 are symmetrically fixed to the top of the Z-direction support table 502. Two Y-direction sliding rails 508 are symmetrically fixed to the bottom of the Y-direction support table 506 and are in sliding fit with the two Y-direction guide rails 507. The Y-direction air cylinder 505 is fixed to the top of the Z-direction support table 502, and the output end thereof is fixed to the bottom of the Y-direction support table 506. The Y-direction air cylinder 505 is electrically connected with the PLC controller 2 and is controlled thereby to realize Y-direction adjustment. The Y-direction air cylinder 505 can be selected according to actual needs;
[0107] Please continue to refer to Figure 7The X-direction conveying assembly is arranged on the Y-direction conveying assembly and connected with the transplanting table 5010, and is used to realize the X-direction movement of the mechanical arm-A 5012 and the mechanical arm-B 5013. Specifically, the X-direction conveying assembly is composed of an X-direction air cylinder 509, an X-direction guide column 5011 and two X-direction mounting seats 5015. The two X-direction mounting seats 5015 are symmetrically fixed to the top of the Y-direction supporting table 506. The X-direction guide column 5011 is fixed between the two X-direction mounting seats 5015. The X-direction air cylinder 509 is fixed to the side wall of one of the X-direction mounting seats 5015, and the output end thereof is fixed to the transplanting table 5010. The transplanting table 5010 is in sliding fit with the X-direction guide column 5011. The X-direction air cylinder 509 is electrically connected with the PLC controller 2 and controlled thereby, so as to realize the X-direction adjustment. The X-direction air cylinder 509 can be selected according to actual requirements.
[0108] In the embodiment, the Z-direction adjustment, the Y-direction adjustment and the X-direction adjustment of the mechanical arm-A 5012 and the mechanical arm-B 5013 can be realized by the extension and retraction of the Z-direction air cylinder 501, the Y-direction air cylinder 505 and the X-direction air cylinder 509 respectively.
[0109] Embodiment 2
[0110] Please refer to Figure 8 and Figure 9 In the embodiment 1, when the upper die 603 directly stamps and flattens the contact sheet from top to bottom, it does not have a corresponding buffer, so it will cause the technical problem of stamping too much or too little on the contact sheet. Therefore, the stamping mechanism 6 is optimized on the basis of the embodiment 1. Specifically, the stamping mechanism 6 is additionally provided with a side-inclined block-A 605 and a side-inclined block-B 607, which are described as follows.
[0111] The side-inclined block-A 605 is provided with two, which are fixed to the bottom of the upper die 603 and symmetrically distributed on both sides of the flattening block 604.
[0112] The side-inclined block-B 607 is provided with two, which are fixed to the lower die 606 and symmetrically distributed on both sides of the accommodating groove 608, and cooperates with the side-inclined block-A 605.
[0113] In the embodiment, when the upper die 603 moves downward to drive the flattening block 604 to move downward for stamping and flattening, the side-inclined block-A 605 and the side-inclined block-B 607 are buffered by the mutual cooperation therebetween. The simultaneous action of the two side-inclined blocks accurately fixes the deformation area of the contact sheet within a certain size, so that the contact sheet will not be stamped too much or too little.
[0114] Embodiment 3
[0115] Please refer to Figure 4 and Figure 5In Embodiment 1 and Embodiment 2, when the linear vibration feeding platform 303 transports the contact sheet into the placing groove 407, the linear vibration feeding platform 303 is stopped in the case of incomplete transportation, and the subsequent radial grabbing process is placed in the placing groove 608, which will cause corresponding deviation and then lead to inaccurate stamping. Therefore, in order to determine whether the contact sheet is transported to the correct position, the vibration feeding mechanism 3 is further optimized in this embodiment. The misalignment sensing assembly is additionally arranged in the vibration feeding mechanism 3 and is arranged on the misalignment platform. The misalignment sensing assembly is used to determine whether the contact sheet is transported to the correct position. Specifically, the misalignment sensing assembly is composed of a bracket 4010 and an infrared sensor-A 4011. The bracket 4010 is fixed to the top of the misalignment support table 401, and the infrared sensor-A 4011 is fixed to the circumferential surface of the bracket 4010. The detection part of the infrared sensor-A 4011 is located directly above the placing groove 407 in the initial state, and the infrared sensor-A 4011 is electrically connected with the PLC controller 2 to realize control. The infrared sensor-A 4011 is used for detection, and then it is determined whether the contact sheet is transported to the correct position.
[0116] Embodiment 4
[0117] Please refer to Figure 2 In order to achieve better discharging, the discharging chute 7 is additionally arranged on the basis of Embodiments 1-3 in this embodiment. The discharging chute 7 is fixed on the operation table 1 and is located on one side of the stamping mechanism 6. The contact sheet after being stamped and flattened can be grabbed and transported by the mechanical hand-B 5013, and then falls into the discharging chute 7 and slides downward. Preferably, a collecting trolley can be arranged below the discharge port of the discharging chute 7, and then the contact sheet is collected. After all the processing is completed, the collected contact sheet is transported together.
[0118] Embodiment 5
[0119] Please refer to Figure 10 A full-automatic flattening method of a contact sheet, which comprises the following steps:
[0120] S1, vibration feeding: the circular vibration feeding platform 302 and the linear vibration feeding platform 303 are started by the PLC controller 2. The circular vibration feeding platform 302 realizes automatic discharging of the contact sheet and transports the contact sheet into the linear vibration feeding platform 303. Then the contact sheet is accelerated linearly by the linear vibration feeding platform 303, and finally the contact sheet is transported into the placing groove 407;
[0121] S2, misalignment transportation: after the infrared sensor-A 4011 determines that the contact sheet is in place, the PLC controller 2 stops the circular vibration feeding platform 302 and the linear vibration feeding platform 303. Then the PLC controller 2 positively starts the misalignment transportation assembly to run for A seconds. The misalignment transportation assembly pushes the fixed block 406 to move towards one side of the stamping mechanism 6, and finally realizes the misalignment movement of the transported sheet.
[0122] S3, contact piece grabbing and conveying: the PLC controller 2 positively starts the Y-direction conveying assembly to run for B seconds, the Y-direction conveying assembly pushes the mechanical hand-A 5012 to move towards the side of the contact piece, then the PLC controller 2 controls the mechanical hand-A 5012 to grab the contact piece, the PLC controller 2 positively starts the Z-direction conveying assembly to run for C seconds to realize the upward movement of the mechanical hand-A 5012, then the PLC controller 2 positively starts the Y-direction conveying assembly to run for D seconds, the Y-direction conveying assembly conveys the mechanical hand-A 5012 to the upper side of the accommodation groove 608, the PLC controller 2 reversely starts the misplacement conveying assembly to run for A seconds to realize the reset thereof, at the same time, the PLC controller 2 reversely starts the Z-direction conveying assembly to run for C seconds to realize the downward movement of the mechanical hand-A 5012, then the contact piece is conveyed into the accommodation groove 608, when the infrared sensor-B 609 senses that the contact piece completely falls into the accommodation groove 608, the PLC controller 2 controls the mechanical hand-A 5012 to release and synchronously controls the Y-direction conveying assembly to reversely start for D seconds to realize the reset thereof;
[0123] S4, stamping and flattening: the PLC controller 2 controls the stamping and lifting assembly to positively start for E seconds, the stamping and lifting assembly pushes the upper die 603 to move downward, then the stamping and flattening process is performed on the contact piece protruding part through the flattening block 604, at the same time, the steps S1-S2 are executed, after the stamping and flattening, the PLC controller 2 controls the stamping and lifting assembly to reversely start for E seconds to realize the reset thereof;
[0124] S5, contact piece re-grabbing, conveying and finished product discharging: the contact piece is re-grabbed and conveyed through the execution of the step S3, in the above process, when the mechanical hand-A 5012 is located at the upper side of the unprocessed contact piece, the mechanical hand-B 5013 is located at the upper side of the contact piece after the stamping and flattening, the PLC controller 2 controls the mechanical hand-A 5012 to realize the grabbing and synchronously controls the mechanical hand-B 5013 to grab the contact piece after the stamping and flattening, then the mechanical hand-B 5013 is released synchronously when the mechanical hand-A 5012 is released, finally the contact piece after the stamping and flattening is conveyed into the discharging chute 7 to realize the finished product discharging.
[0125] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the foregoing embodiments of the present application are described in detail, the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A fully automatic flattening machine for contact pieces, comprising: Control panel (1); as well as A stamping mechanism (6) is provided on the operating table (1) and is used to stamp and flatten the contact piece; the stamping mechanism (6) includes an infrared sensor-B (609) for sensing the contact piece to achieve automatic gripping; Its characteristic is that it further includes: Vibration feeding mechanism (3) is located on one side of the operating table (1) and is used to feed the contact piece; The misaligned conveying mechanism (4) is located on the operating table (1) and is used to receive the contact piece conveyed by the vibrating feeding mechanism (3) and then convey the contact piece. The transplanting mechanism (5), located on the operating table (1), uses multi-directional motion to grasp the contact piece conveyed by the misaligned conveying mechanism (4), and then conveys it to the stamping mechanism (6) to achieve the stamping and flattening of the contact piece; and The PLC controller (2) is electrically connected to the vibrating feeding mechanism (3), the staggered conveying mechanism (4), the transplanting mechanism (5) and the stamping mechanism (6) to achieve automatic control; The transplanting mechanism (5) includes: Transplanting platform (5010) is located on the upper side of the operating table (1); Robotic arm-A (5012) is located on one side of the top of the transplanting platform (5010) and is used to grasp the contact piece; Robotic arm-B (5013) is located on the other side of the top of the transplanting platform (5010), and is used to grasp the contact piece after it has been stamped and flattened; The Z-axis conveying assembly is located on the operating table (1) and is used to enable the robotic arm-A (5012) and the robotic arm-B (5013) to move in the Z-axis. A Y-axis conveying assembly, disposed on the Z-axis conveying assembly, is used to enable the robotic arm-A (5012) and the robotic arm-B (5013) to move in the Y direction; and An X-axis conveying assembly is disposed on the Y-axis conveying assembly and connected to the transplanting platform (5010), which is used to enable the robotic arm-A (5012) and the robotic arm-B (5013) to move in the X-axis direction; The vibratory feeding mechanism (3) includes: The feeding frame is located on one side of the operating table (1); A circular vibratory feeding platform (302), located within the feeding frame, houses contact pieces for discharging them; and A linear vibration feeding platform (303) is provided on the feeding frame and connected to the circular vibration feeding platform (302). It is used to receive the contact piece conveyed by the circular vibration feeding platform (302) and then accelerate the conveying to the misaligned conveying mechanism (4). The misaligned conveying mechanism (4) includes: A misaligned platform is provided on the operating table (1); A fixing block (406) is provided on the upper side of the misaligned platform, and its top is provided with a placement groove (407) for accommodating the contact piece and a stepped groove (408) for easy gripping. A misaligned conveying assembly is disposed between the misaligned platform and the fixed block (406), which is used to move the fixed block (406) to convey the contact piece; a discharge chute (7) is inclinedly disposed on the operating table (1) and located on one side of the stamping mechanism (6), which is used to realize material discharge; The stamping mechanism (6) includes: A stamping lifting assembly is mounted on the operating table (1); The upper die (603) is located at the output section of the stamping lifting assembly; The lower mold (606) is located on the operating table (1) and below the upper mold (603), and its top is provided with a placement groove (608) for placing contact pieces. A flattening block (604) is disposed at the bottom of the upper die (603), which is used to flatten the contact piece during stamping; and Infrared sensor-B (609) is disposed in the mounting slot (608) and is used to sense the contact piece to achieve automatic grasping; Side-entry inclined block-A (605), of which two are provided, located at the bottom of the upper mold (603) and symmetrically distributed on both sides of the flattening block (604); and Side entry inclined block-B (607) is provided in two, which are provided on the lower mold (606) and symmetrically distributed on both sides of the placement groove (608), and cooperate with the side entry inclined block-A (605).
2. The fully automatic flattening machine for contact pieces according to claim 1, characterized in that, The misaligned conveying mechanism (4) further includes: A misalignment sensing component is disposed on the misalignment platform and is used to determine whether the contact piece has been delivered to the correct position.
3. The fully automatic flattening machine for contact pieces according to claim 1, characterized in that, The stamping lifting assembly is a 10T pneumatic press assembly.
4. A fully automatic method for flattening contact pieces, characterized in that, The application includes a fully automatic flattening machine for contact pieces as described in any one of claims 1-3, the method comprising the following steps: S1, Vibration feeding: The circular vibration feeding platform (302) and the linear vibration feeding platform (303) are started by the PLC controller (2). The circular vibration feeding platform (302) realizes the automatic discharge of the contact piece and transports the contact piece to the linear vibration feeding platform (303). Then, the linear vibration feeding platform (303) accelerates the contact piece linearly and finally transports it to the placement tank (407). S2, misaligned conveying: When the infrared sensor-A (4011) determines that the contact piece is in place, the PLC controller (2) stops the circular vibration feeding platform (302) and the linear vibration feeding platform (303), and then the PLC controller (2) starts the misaligned conveying component to run for A seconds. The misaligned conveying component pushes the fixed block (406) to move toward one side of the stamping mechanism (6), and finally realizes the misaligned movement of the conveying piece; S3. Contact Piece Grabbing and Conveying: PLC controller (2) starts the Y-axis conveying assembly in the forward direction for B seconds. The Y-axis conveying assembly pushes the robot arm-A (5012) towards one side of the contact piece. Then, PLC controller (2) controls the robot arm-A (5012) to grab the contact piece. PLC controller (2) starts the Z-axis conveying assembly in the forward direction for C seconds to move the robot arm-A (5012) upward. Then, PLC controller (2) starts the Y-axis conveying assembly in the forward direction for D seconds. The Y-axis conveying assembly conveys the robot arm-A (5012) to the safety point. On the upper side of the placement slot (608), the PLC controller (2) starts the misaligned conveying component in reverse for A seconds to reset it. At the same time, the PLC controller (2) starts the Z-direction conveying component in reverse for C seconds to move the robot arm-A (5012) down and then convey the contact piece into the placement slot (608). When the infrared sensor-B (609) senses that the contact piece has completely fallen into the placement slot (608), the PLC controller (2) controls the robot arm-A (5012) to release and simultaneously controls the Y-direction conveying component to start in reverse for D seconds to reset it. S4, Stamping and flattening: The PLC controller (2) controls the stamping lifting assembly to start forward for E seconds. The stamping lifting assembly pushes the upper mold (603) down, and then the flattening block (604) performs the stamping and flattening process on the protruding part of the contact piece. At the same time as the above stamping and flattening, steps S1-S2 are executed. After stamping and flattening, the PLC controller (2) controls the stamping lifting assembly to start in reverse for E seconds to achieve its reset. S5. Contact piece grabbing, conveying and finished product unloading: Step S3 is executed to grab and convey the contact piece again. When the robot arm-A (5012) is on the top side of the unprocessed contact piece, the robot arm-B (5013) is on the top side of the contact piece after being stamped and flattened. When the PLC controller (2) controls the robot arm-A (5012) to grab, it simultaneously controls the robot arm-B (5013) to grab the contact piece after being stamped and flattened. Then, when the robot arm-A (5012) releases, it simultaneously controls the robot arm-B (5013) to release. Finally, the stamped and flattened contact piece is conveyed to the unloading slide (7) to realize finished product unloading.
Citation Information
Patent Citations
Stamping die for producing circuit breaker contact piece
CN213671418U
Automatic punching system
CN108500124A
Machining device for flattening steel pipe
CN215998316U