An automatic PIN cutting line for injection molding products Bobbin

Abstract

The present invention discloses an automated PIN foot cutting assembly line for an injection molding product, Bobbin. The automated PIN foot cutting assembly line for Bobbin includes a variable pitch turntable, a PIN cutting machine, and a transfer swing table, which are sequentially arranged laterally on the rear side of a frame. The unloading part of the injection molding machine is independently arranged on the right side of the frame, and the unloading part of the injection molding machine includes two rows of n / 2 first clamping modules; the XYZ moving module of the clamping and transferring machine is fixed on the front side of the frame, and the two Z-axis components of the XYZ moving module are respectively connected to two clamping seats; the lower surface and the front side of the clamping seat are slidably connected to a moving plate, and the two moving plates are respectively fixed to the left clamping arms and right clamping arms of several clamps; the unloading module is arranged on the rear side of the transfer swing table, and several first clamping modules are arranged on the unloading module; the pin insertion machine is independently arranged on the left side of the frame. The present invention has the effect of automated PIN cutting production of Bobbin, fast speed and high efficiency.

Description

Technical Field

[0001] The invention relates to a 3C product processing device, in particular to an automatic PIN foot cutting production line for an injection molded product Bobbin. Background Art

[0002] Among mobile phone components, Bobbin products are mass-produced through mold casting and injection molding. In the process of cutting off the PIN pins of Bobbin products, it is necessary to quickly unload the parts in the casting equipment and cut off the PIN pins. The existing manual unloading and PIN pin cutting methods are slow, inefficient, and PIN cutting is prone to defects. In addition, there are human error factors that can easily damage hands and product surfaces. Summary of the invention

[0003] In order to solve one or more of the above problems, the present invention provides an automated PIN foot cutting production line for an injection molded product Bobbin.

[0004] According to one aspect of the present invention, the automated PIN foot cutting assembly line for the injection molding product Bobbin includes a variable pitch turntable, a PIN cutting machine, and a transfer swing table which are arranged horizontally from right to left on the rear side of the frame, the variable pitch turntable, the PIN cutting machine, and the transfer swing table all have the same number of Bobbin material positions n, and the longitudinal center line spacing m between the variable pitch turntable and the PIN cutting machine, and between the PIN cutting machine and the transfer swing table is the same.

[0005] The unloading part of the injection molding machine is independently arranged on the right side of the frame, and the unloading part of the injection molding machine includes two rows of n / 2 columns of the first clamping modules, and the arrangement of the first clamping modules is the same as the arrangement of the Bobbin in the finished product cavity of the injection molding machine;

[0006] The variable pitch turntable rotates to the longitudinal direction and the pitch changes to the maximum. The material level distribution at both ends of the variable pitch turntable is the same as the arrangement of a row of first clamping modules; the variable pitch turntable rotates to the horizontal direction and the pitch changes to the minimum. The material level arrangement of the variable pitch turntable is the same as the material level arrangement of the PIN cutting machine.

[0007] The PIN cutting machine cuts off the front PIN pins and rear PIN pins of all Bobbins on both sides at the same time;

[0008] The gripping and transferring machine includes several groups of clamps and XYZ mobile modules. The XYZ mobile modules are fixed on the front side of the frame. The two Z-axis components of the XYZ mobile module are respectively connected to two clamping seats; the distance between the two clamping seats and the two Z-axis components is m; n groups of clamps are fixed on each clamping seat, and each group of clamps can clamp or release a Bobbin. The gripping and transferring machine can take away n Bobbins from the variable pitch turntable and the PIN cutting machine at the same time, or place n Bobbins on the PIN cutting machine and the transfer material table at the same time.

[0009] The clamp includes a left clamp arm and a right clamp arm. The lower surface and the front side surface of the clamp seat are slidably connected to a moving plate. N left clamp arms are evenly connected to the lower surface of the moving plate horizontally arranged below, and n right clamp arms are evenly connected to the side surface of the moving plate vertically arranged above. The two moving plates can move toward or away from each other, so as to clamp or release the Bobbin by the left clamp arm and the right clamp arm.

[0010] The transfer material table includes several receiving jigs with injection units. Among the receiving jigs at odd or even positions, one group is fixed and the other group is rotated. When the rotating receiving jig rotates 180°, the Bobbin positions in the two groups of receiving jigs are the same.

[0011] The material unloading module is arranged at the rear side of the transfer swinging table, and a plurality of first material clamping modules are arranged on the material unloading module;

[0012] The pin insertion machine is independently set on the left side of the frame, and the unloading module clamps the Bobbin on the transfer table and places it on the track of the pin insertion machine.

[0013] In some embodiments, the gripping and transferring machine further comprises a pulling assembly, the pulling assembly comprising two pulling cylinders with telescopic ends arranged laterally opposite to each other; the telescopic ends of the pulling cylinders are respectively connected to a moving plate;

[0014] A plurality of first sliding blocks are installed on the upper surface of the lower moving plate and the rear side surface of the vertical moving plate; the front side surface of the clamping seat is connected to a transverse first guide rail, and a plurality of first sliding blocks are slidably connected to the first guide rail.

[0015] In some embodiments, the clamping seat includes a lower plate and a vertical base plate connected vertically to each other, and a first horizontal guide rail is connected to the lower surface of the lower plate and the front side of the vertical base plate.

[0016] The cylinder barrel of one pulling cylinder is fixed on the lower flat plate through the first cylinder plate, and the cylinder barrel of the other pulling cylinder is fixed on the vertical base plate through the first cylinder plate. The telescopic ends of the two pulling cylinders are respectively connected to the moving plate through the second cylinder plate; a limit seat opposite to the second cylinder plate is respectively provided on the lower flat plate or the vertical base plate.

[0017] In some embodiments, the left clamp arm includes a left clamp head arranged horizontally and longitudinally, and a left arc groove is provided on the right side surface of the left clamp head; the right clamp arm includes a right clamp head arranged horizontally and longitudinally, and a right arc groove is provided on the left side surface of the right clamp head; the left arc groove and the right arc groove are arranged horizontally and symmetrically and respectively match the outer contour of the hollow tube body of the Bobbin;

[0018] An upper retaining ring body is formed at the upper end of the hollow tube body, and a lower retaining ring body is formed at the lower end. The distance between the upper retaining ring body and the lower retaining ring body is greater than the height of the left clamp and the right clamp.

[0019] In some embodiments, the XYZ moving module includes an X-axis assembly, a Y-axis assembly and two Z-axis assemblies, the X-axis assembly includes a first servo linear module arranged horizontally; the Y-axis assembly includes a second servo linear module arranged longitudinally; and the Z-axis assembly includes a third servo linear module arranged vertically.

[0020] In some embodiments, the first clamping module includes a soft and elastic upper clamping block, which is threadedly connected to the lower surface of the upper connecting plate, and the upper connecting plate is connected to the middle of the lower surface of the vertical base plate; two vertical side clamping blocks are symmetrically arranged on both sides of the upper clamping block, and the upper end of the inner side surface of the side clamping block is provided with an arc surface, and the lower end of the inner side surface of the side clamping block protrudes inward to form a limit stopper;

[0021] The lower end of the side connecting block has a lower ear plate on the left side and a rectangular notch on the right side. The side clamping block is located in the notch and connected to the inner side of the lower ear plate.

[0022] The positioning groove at the upper end of the side connecting block and the rectangular claw of the clamping claw cylinder are plugged and matched and fixed by a transverse screw piece; the cylinder barrel of the clamping claw cylinder is fixed on the front side of the vertical base plate.

[0023] In some embodiments, the upper retaining ring body is provided with an integrally raised right end block and a partially raised left end block, and an upper protrusion is formed on the upper surface of the right end block.

[0024] The upper clamping block is provided with a first avoidance groove matching with the left end block, a second avoidance groove matching with the right end block, and a through hole corresponding to the position of the upper boss, and the through hole and the upper boss are matched with a large clearance; positioning pins are also installed at both ends of the lower surface of the upper clamping block, and the positioning pins correspond to the positioning holes on the upper retaining ring body.

[0025] In some embodiments, vacuum nozzles are installed at both ends of the lower surface of the upper clamping block, and a contact sensor is provided on the lower surface of the upper clamping block.

[0026] In some embodiments, the variable pitch turntable includes a main material table and a movable material table arranged outside the left and right ends of the main material table, and the upper surfaces of the main material table and the movable material table are both provided with a plurality of product fixtures;

[0027] The front and rear sides of the main material platform are connected to a horizontal pulling cylinder, and the telescopic ends of the two pulling cylinders are arranged opposite to each other and are respectively connected to a moving material platform; the front and rear sides of the main material platform are also fixed with a horizontal slider, each slider is slidably matched with a horizontally arranged linear slide rail, and the other end of each linear slide rail is connected to a moving material platform.

[0028] The lower surface of the main material table is connected to the upper end of the corner part, and the corner part is connected to the main frame.

[0029] In some embodiments, one end of the upper base plate of the main material table extends forward to form an upper wing plate and the other end extends backward to form an upper wing plate, and a slider is installed on the lower surface of each upper wing plate; the linear slide rail moves in the C-shaped groove of the upper wing plate, and a transverse groove is formed on the lower surface of the movable material table, and the linear slide rail is threadedly connected in the transverse groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A three-dimensional schematic diagram of an automated PIN foot cutting production line for an injection molding product Bobbin according to an embodiment of the present invention;

[0031] Figure 2 for Figure 1 A three-dimensional schematic diagram of the variable pitch turntable shown;

[0032] Figure 3 for Figure 2 A three-dimensional schematic diagram of the main material platform shown;

[0033] Figure 4 for Figure 2 A three-dimensional schematic diagram of the mobile material table shown;

[0034] Figure 5 for Figure 2 The three-dimensional schematic diagram of Bobbin is shown;

[0035] Figure 6 for Figure 1 The three-dimensional schematic diagram of the transfer table shown;

[0036] Figure 7 for Figure 1 A three-dimensional schematic diagram of the gripping and transferring machine shown;

[0037] Figure 8 for Figure 7 A three-dimensional schematic diagram of the clamp and the pulling assembly shown;

[0038] Fig. 9 for Figure 8 A three-dimensional schematic diagram of the left clamp arm and the pulling assembly shown;

[0039] Fig.10 for Figure 8 A three-dimensional schematic diagram of the right clamp arm and the pulling assembly shown;

[0040] Fig.11 for Figure 7 A three-dimensional schematic diagram of the XYZ moving module shown;

[0041] Fig.12 for Figure 1 A three-dimensional schematic diagram of the first clamping module shown;

[0042] Fig.13 for Fig.12A three-dimensional schematic diagram of the upper clamping block shown;

[0043] Fig.14 for Fig.12 A three-dimensional schematic diagram of the side clamp block shown;

[0044] Bobbin00, hollow tube body 001, upper retaining ring body 002, lower retaining ring body 003; front PIN foot 004, right end block 005, left end block 006, upper boss 007, positioning hole 008, rear PIN foot 009;

[0045] Variable pitch turntable 01, main material table 011, upper base plate 0100, upper wing plate 0101, lower base plate 0102, first positioning groove 0103, product fixture 0110, adapter plate 0111, top block 0112, upper ear block 0113, limit stopper 0114, positioning column 0115, mobile material table 012, vertical groove 0121, heightening table 0122, horizontal groove 0123, second positioning groove 0124, pulling cylinder 013, slider 014, linear slide rail 015, corner part 016, rotating shaft 0161, servo motor 0162, seat bearing 0163, coupling 0164, main frame 017, position sensor 018; PIN cutting machine 02; frame 03;

[0046] Transfer material table 04, material collecting fixture 041, rotating shaft 042, transfer frame 043, transfer motor 044, bearing with seat 045, heightening platform 046;

[0047] Gripping and transferring machine 05, fixture 051, left clamping arm 1, left arc groove 11; right clamping arm 2, right arc groove 21, pulling assembly 052, pulling cylinder 3, moving plate 4, first slider 5; XYZ moving module 053, X-axis assembly 6, first servo linear module 61, first slide rail slider assembly 62, first moving plate 63, Y-axis assembly 7, second servo linear module 71, second slide rail slider assembly 72, second moving plate 73, Z-axis assembly 8, third servo linear module 81, vertical seat 82; clamping seat 9, lower plate 91, vertical base plate 92, first guide rail 93, rear connecting plate 94, first cylinder plate 95, second cylinder plate 96, limit seat 97; unloading module 06; pin insertion machine 07; injection molding machine unloading part 08;

[0048] The first clamping module 09, the upper clamping block 091, the through hole 0911, the countersunk hole 0912, the first avoidance groove 0913, the second avoidance groove 0914; the side clamping block 092, the arc surface 0921, the limit stop block 0922; the clamping claw cylinder 093, the vertical base plate 094, the upper connecting plate 095, the side connecting block 096, the lower ear plate 0961, the guide bracket 097, the linear bearing 0971, the guide shaft 0972, the upper connecting plate 0973, the lower connecting plate 0974, the inner guide shaft 0975, the upper seat 0976, and the spring 0977. DETAILED DESCRIPTION

[0049] The present invention will be further described in detail below with reference to the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0050] Figures 1 to 14 The schematic diagram shows an automatic PIN foot cutting production line for an injection molding product Bobbin according to an embodiment of the present invention. As shown in the figure, the device includes a variable pitch turntable 01, a PIN cutting machine 02, and a transfer swinging table 04, which are arranged horizontally on the rear side of a frame 03 from right to left. The variable pitch turntable 01, the PIN cutting machine 02, and the transfer swinging table 04 all have the same number of Bobbin00 material positions n, and the longitudinal center line spacing m between the variable pitch turntable 01 and the PIN cutting machine 02, and between the PIN cutting machine 02 and the transfer swinging table 04 is the same.

[0051] The unloading part 08 of the injection molding machine is independently arranged on the right side of the frame 03. The unloading part 08 of the injection molding machine includes two rows of n / 2 first clamping modules 09. The arrangement of the first clamping modules 09 is the same as the arrangement of Bobbin00 in the finished product cavity of the injection molding machine. The first clamping module 09 can clamp the Bobbin00 in the injection molding machine at one time.

[0052] The variable pitch turntable 01 rotates to the longitudinal direction and the pitch changes to the maximum. The material level distribution at both ends of the variable pitch turntable 01 is the same as the arrangement of a row of the first clamping module 09. The first clamping module 09 places two rows of Bobbin00 in sequence at the material levels at both ends of the variable pitch turntable 01; the variable pitch turntable 01 rotates to the horizontal direction and the pitch changes to the minimum. The material level arrangement of the variable pitch turntable 01 is the same as the material level arrangement of the PIN cutting machine 02;

[0053] PIN cutting machine 02 cuts off the front PIN pin 004 and the rear PIN pin 009 of all Bobbin00 on both sides at the same time;

[0054] The clamping and transferring machine 05 includes several groups of clamps 051 and an XYZ moving module 053. The XYZ moving module 053 is fixed on the front side of the frame 03. The two Z-axis components 8 of the XYZ moving module 053 are respectively connected to two clamping seats 9; the distance between the two clamping seats 9 and the two Z-axis components 8 is m; n groups of clamps 051 are fixed on each clamping seat 9, and each group of clamps 051 can clamp or release a Bobbin00. The clamping and transferring machine 05 can take away n Bobbin00 from the variable pitch turntable 01 and the PIN cutting machine 02 at the same time, or place n Bobbin00 on the PIN cutting machine 02 and the transfer material placing table 04 at the same time.

[0055] The clamp 051 includes a left clamp arm 1 and a right clamp arm 2. The lower surface and the front side surface of the clamp seat 9 are slidably connected to a moving plate 4. The n left clamp arms 1 are evenly connected to the lower surface of the moving plate 4 horizontally arranged below, and the n right clamp arms 2 are evenly connected to the side surface of the moving plate 4 vertically arranged above. The two moving plates 4 can move toward or away from each other, so as to achieve the clamping or release of the left clamp arm 1 and the right clamp arm 2.

[0056] The transfer material placing table 04 includes a plurality of material receiving fixtures 041 with injection molding units. Among the material receiving fixtures 041 at odd positions or even positions, one group is fixedly arranged and the other group is rotatably arranged. When the rotatably arranged material receiving fixtures 041 rotate 180°, the positions of Bobbin 00 in the two groups of material receiving fixtures 041 are the same.

[0057] The material unloading module 06 is arranged at the rear side of the transfer material swinging platform 04, and a plurality of first material clamping modules 09 are arranged on the material unloading module 06;

[0058] The pin insertion machine 07 is independently arranged on the left side of the frame 03, and the unloading module 06 clamps the Bobbin 00 on the transfer swing table 04 and places it on the track of the pin insertion machine 07. Its beneficial effects are: first, the device realizes the automated production of unloading, positioning, loading and cutting PIN, unloading and transfer positioning, with fast speed and high efficiency, suitable for large-scale continuous production, while avoiding human error, protecting operators and products; second, the variable pitch turntable 01 and the first clamping module 09 realize the direct removal of all products on the casting equipment, and perform variable pitch arrangement and positioning, direct loading and unloading, avoiding adding too many transfer processes in the early stage, and can greatly improve production efficiency; third, the clamping and transferring machine 05 can perform loading or unloading operations at the same time, further improving the speed, and performing conversion, so that the products enter the detection position in an orderly manner at the same angle; fourth, the special clamp 051 can gently clamp the Bobbin, and the pin insertion machine 07 collects materials in an orderly manner.

[0059] Preferably, the gripping and transferring machine 05 further includes a pulling assembly 052, and the pulling assembly 052 includes two pulling cylinders 3 with telescopic ends arranged laterally opposite to each other; the telescopic ends of the pulling cylinders 3 are respectively connected to a moving plate 4;

[0060] A plurality of first sliders 5 are installed on the upper surface of the lower moving plate 4 and the rear side of the vertical moving plate 4; the front side of the clamping seat 9 is connected to a transverse first guide rail 93, and a plurality of first sliders 5 are slidably connected to the first guide rail 93. The device adopts a linear guide slider and a cylinder output linear motion pulling component 052, which realizes the simultaneous taking of materials from the loading station, the PIN cutting table and the unloading fixture, or placing products on the PIN cutting table and the unloading fixture at the same time; its beneficial effects are: the specially designed pulling component 052, the guide of the slide rail slider, the high linear output precision, can complete the high-precision pulling of multiple products at the same time.

[0061] Preferably, the clamping seat 9 includes a lower plate 91 and a vertical base plate 92 connected to each other vertically, and a first horizontal guide rail 93 is connected to the lower surface of the lower plate 91 and the front side of the vertical base plate 92.

[0062] The cylinder barrel of one pulling cylinder 3 is fixed on the lower flat plate 91 through the first cylinder plate 95, and the cylinder barrel of the other pulling cylinder 3 is fixed on the vertical base plate 92 through the first cylinder plate 95. The telescopic ends of the two pulling cylinders 3 are connected to the moving plate 4 through the second cylinder plate 96 respectively; a limit seat 97 opposite to the second cylinder plate 96 is respectively provided on the lower flat plate 91 or the vertical base plate 92;

[0063] A floating joint is provided between the telescopic end of the pulling cylinder 3 and the second cylinder plate 96 .

[0064] The rear end of the lower plate 91 is vertically connected to the rear connecting plate 94, and the rear connecting plate 94 is connected to the moving end of the Z-axis assembly 8. A special clamping seat 9 is adopted, which has high stability, and two moving plates 4 are arranged on the upper surface and the front side of the clamping seat 9, which has a compact structure and can achieve a high degree of parallelism, and can realize high-precision and stable grasping and unloading of multiple products.

[0065] Preferably, the two first cylinder plates 95 are respectively provided with a third positioning groove having the same width as the lower flat plate 91 or the vertical base plate 92 , and the second cylinder plate 96 is provided with a fourth positioning groove having the same width as the movable plate 4 .

[0066] Preferably, the clamp seat 9 also includes an upper retaining plate, the front side of the upper retaining plate is threadedly connected to the vertical base plate 92, the rear side of the upper retaining plate is threadedly connected to the rear connecting plate 94, and the lower surface of the upper retaining plate is threadedly connected to the lower flat plate 91.

[0067] Preferably, the left clamp arm 1 includes a left clamp arranged horizontally and longitudinally, and the right side surface of the left clamp is provided with a left arc groove 11, and the right clamp arm 2 includes a right clamp arranged horizontally and longitudinally, and the left side surface of the right clamp is provided with a right arc groove 21, and the left arc groove 11 and the right arc groove 21 are horizontally symmetrically arranged and respectively matched with the outer contour of the hollow tube body 001 of Bobbin00; using the characteristic setting of the clamp 051, the left clamp arm 1 and the right clamp arm 2 are matched with the product, so that high-precision material removal of the product is achieved.

[0068] An upper retaining ring 002 is formed at the upper end of the hollow tube 001, and a lower retaining ring 003 is formed at the lower end. The distance between the upper retaining ring 002 and the lower retaining ring 003 is greater than the height of the left clamp and the right clamp.

[0069] The left clamp arm 1 and the right clamp arm 2 are made of polyurethane or acrylic material with certain elasticity and slight deformation.

[0070] The left arc groove 11 and the right arc groove 21 are covered with arc sheets made of polyurethane or acrylic material. The beneficial effect is: protecting the surface of the product without pressure loss and other undesirable features.

[0071] Preferably, the rear end of the left clamp extends vertically upward to form a left vertical section, and the upper end of the left vertical section extends vertically backward to form a rear connecting section;

[0072] The rear end of the right clamp extends vertically upward to form a right vertical section, the upper end of the right vertical section extends vertically backward to form a middle flat section, and the rear end of the middle flat section extends vertically upward to form an upper connecting section.

[0073] The two moving plates 4 move toward or away from each other, and each set of left clamping arms 1 and right clamping arms 2 simultaneously move toward each other to clamp the hollow tube body 001 or simultaneously move away from each other to release the hollow tube body 001.

[0074] A plurality of first positioning grooves are evenly spaced on one surface of the movable plate 4 and a second positioning groove is provided on the opposite surface. The first positioning groove has the same width as the upper connecting section of the left clamp arm 1 and the rear connecting section of the right clamp arm 2; the second positioning groove has the same width as the first slider 5.

[0075] Preferably, the XYZ moving module 053 includes an X-axis assembly 6, a Y-axis assembly 7 and two Z-axis assemblies 8, the X-axis assembly 6 includes a first servo linear module 61 arranged horizontally; the Y-axis assembly 7 includes a second servo linear module 71 arranged longitudinally; the Z-axis assembly 8 includes a third servo linear module 81 arranged vertically;

[0076] The X-axis assembly 6 also includes a first slide rail and slider assembly 62 which is arranged transversely, and a first movable plate 63 is laterally connected to the first servo linear module 61 and the moving end of the first slide rail and slider assembly 62 respectively;

[0077] The Y-axis assembly 7 includes a second slide rail slider assembly 72 arranged longitudinally, the second servo linear module 71 and the fixed ends of the second slide rail slider assembly 72 are respectively connected to the first movable plate 63, and the second movable plate 73 is longitudinally connected to the second servo linear module 71 and the movable ends of the second slide rail slider assembly 72 respectively;

[0078] The Z-axis assembly 8 also includes a vertical stand 82, two vertical stands 82 are respectively connected vertically to the second moving plate 73, the front side of the vertical stand 82 is vertically connected to the third servo linear module 81, and the moving end of the third servo linear module 81 is connected to the rear connecting plate 94. The XYZ moving module 053 drives the clamping seat 9 and the clamp 051 on the clamping seat 9 to perform linear motion in the X, Y and Z directions. Its beneficial effects are: the servo linear module has high moving accuracy, the product discharge position is high, and the movement is soft without shaking.

[0079] Preferably, the first clamping module 09 includes a soft and elastic upper clamping block 091, two side clamping blocks 092, a clamping claw cylinder 093, and a vertical base plate 094.

[0080] The upper clamping block 091 is arranged horizontally and longitudinally, and the contour features of the upper clamping block 091 and the upper retaining ring body 002 of Bobbin00 match each other. The upper clamping block 091 is threadedly connected to the lower surface of the upper connecting plate 095, and the upper connecting plate 095 is connected to the middle of the lower surface of the vertical base plate 094;

[0081] Two vertical side clamping blocks 092 are symmetrically arranged on both sides of the upper clamping block 091. The upper end of the inner side surface of the side clamping block 092 is provided with an arc surface 0921. The lower end of the inner side surface of the side clamping block 092 protrudes inward to form a limit stopper 0922. The arc surface 0921 matches the circumferential surface of the upper retaining ring body 002. The limit stopper 0922 is located below the upper retaining ring body 002.

[0082] The left side of the lower end of the side connecting block 096 is a lower ear plate 0961 and the right side is a rectangular notch. The side clamping block 092 is located in the notch and connected to the inner side of the lower ear plate 0961. The upper end of the side connecting block 096 is a rectangular positioning groove. The positioning groove and the rectangular claw of the clamping claw cylinder 093 are plug-fitted and fixed by a transverse screw member.

[0083] The cylinder barrel of the clamping claw cylinder 093 is fixed on the front side of the vertical base plate 094. The device realizes the automatic clamping and unloading of Bobbin 00; the upper clamping block 091 and two side clamping blocks 092 that match the Bobbin 00 product are used to clamp the product on both sides and the upper side, and the special clamping claw cylinder 093 is used to achieve a stable and gentle clamping action, thereby realizing the automatic stable, accurate and safe clamping of the product. The beneficial effects are: first, automatic clamping and placing, fast speed, high efficiency, suitable for large-scale continuous operation, and unmanned operation, eliminating human error, while ensuring the safety of operators; second, the arc surface 0921 of the upper clamping block 091 and the side clamping block 092 are respectively in contact with the Bobbin 00, and the upper surface of the upper retaining ring body 002 cooperate with each other, and the limit stop block 0922 performs downward positioning, so as to achieve good clamping positioning and prevent up and down movement or falling off during movement; third, the upper clamping block 091 and the side clamping block 092 are made of soft and elastic materials, which can protect the product surface and improve the surface quality of the product; fourth, the side connecting block 096 adopts the structure of the lower ear plate 0961 and the notch to reduce the size of the equipment, provide more space for the setting of other equipment, and improve the applicability of the equipment; fifth, the rectangular claws of the clamping cylinder 093 and the positioning groove 0962 cooperate with each other, and the rectangular structure can prevent circumferential rotation, so that both axial movement and circumferential rotation are constrained to ensure installation accuracy, which provides a good foundation for subsequent clamping.

[0084] Preferably, the upper retaining ring body 002 is provided with an integrally raised right end block 005 and a partially raised left end block 006, and an upper protruding column 007 is formed on the upper surface of the right end block 005.

[0085] The upper clamping block 091 is provided with a first avoidance groove 0913 cooperating with the left end block 006, a second avoidance groove 0914 cooperating with the right end block 005, and a through hole 0911 corresponding to the position of the upper boss 007, and the through hole 0911 and the upper boss 007 are matched with a large clearance; the beneficial effect is: this setting further improves the positioning accuracy of the product and realizes high-precision grasping and movement.

[0086] Positioning pins are also installed at both ends of the lower surface of the upper clamping block 091, and the positioning pins correspond to the positioning holes 008 on the upper retaining ring body 002. Its beneficial effect is that the positioning pins can improve the positioning accuracy.

[0087] Preferably, vacuum suction nozzles are installed at both ends of the lower surface of the upper clamping block 091, and the lower surface of the vacuum suction nozzle is flush with the lower surface of the upper clamping block 091, and the vacuum suction nozzle can fit and absorb the ring body of the upper retaining ring body 002. Its beneficial effect is that the suction nozzle can ensure the upper surface of the high end of the product to be sucked and positioned and the two sides of the bottom end to be clamped, with a better clamping effect, and there is no shaking phenomenon caused by one end falling off during movement, so as to achieve good and high-precision material transfer.

[0088] Preferably, a contact sensor is provided on the lower surface of the upper clamping block 091, and the contact sensor detects that the lower surface of the upper clamping block 091 is in contact with the upper surface of Bobbin 00 and does not continue to move downward to apply pressure to the upper surface of Bobbin 00. The beneficial effect is: further protecting the product.

[0089] Preferably, the upper clamp block 091 and the side clamp block 092 are made of rubber or PU material. The beneficial effects are: PU elastomer has the rigidity of plastic and the elasticity of rubber; it can have good buffering, quietness, shock absorption, wear resistance, high temperature resistance and other characteristics.

[0090] Preferably, the side clamp block 092 is provided with a transverse stepped through hole, the outer large diameter hole of the transverse stepped through hole penetrates the arc surface 0921 and the limit stopper 0922, and the cylindrical head screw is located in the transverse stepped through hole and the front end is screwed into the lower threaded hole of the side connecting block 096. The beneficial effects are: simple structure and reduced product size.

[0091] Preferably, a first rectangular groove is provided in the middle of the lower surface of the vertical base plate 094, and the width of the first rectangular groove is the same as that of the upper connecting plate 095. The upper connecting plate 095 is provided with a first stepped through hole, and the cylindrical head screw is located in the first stepped through hole and screwed into the threaded blind hole of the first rectangular groove; second rectangular grooves are provided on both sides of the upper connecting plate 095, and the width of the second rectangular groove is greater than the width of the rectangular claw; the beneficial effect is that: this structure not only improves the installation accuracy, but also reduces the size of the equipment.

[0092] The upper clamping block 091 is provided with a countersunk hole 0912 , and the countersunk screw passes through the countersunk hole 0912 and is screwed into the threaded hole of the upper connecting plate 095 .

[0093] Preferably, the upper end of the cylinder barrel of the clamping claw cylinder 093 and the upper side surface of the vertical base plate 094 are threadedly connected to the lower connecting plate 0974;

[0094] The guide bracket 097 includes two sets of linear bearings 0971 and guide shafts 0972 that cooperate with each other. The upper ends of the two guide shafts 0972 are respectively vertically connected to the two ends of the upper connecting plate 0973 and the lower ends are respectively vertically connected to the two ends of the lower connecting plate 0974, thereby forming a rectangular bracket.

[0095] The guide bracket 097 also includes a fixed upper seat 0976, two inner guide shafts 0975 slide up and down along the vertical guide holes of the upper seat 0976, the lower ends of the two inner guide shafts 0975 are vertically connected to the lower connecting plate 0974, the outer wall of the inner guide shaft 0975 sleeves the spring 0977, the lower end of the spring 0977 fits the lower connecting plate 0974 and the upper end fits the upper seat 0976. The device realizes the automatic clamping, movement and placement of multiple products, uses the guide bracket for high-precision up and down movement, and the elastic seat buffers the differential stress of each material taking module.

[0096] Preferably, the variable pitch turntable 01 includes a main material table 011 and a mobile material table 012 arranged outside the left and right ends of the main material table 011. The upper surfaces of the main material table 011 and the mobile material table 012 are both provided with a plurality of product fixtures 0110, and the contours of the product fixtures 0110 and Bobbin00 match; the distance between adjacent product fixtures 0110 on the main material table 011 and the mobile material table 012 is r, and the distance between adjacent product fixtures 0110 between the main material table 011 and the mobile material table 012 is s.

[0097] The front and rear sides of the main material platform 011 are connected to a horizontal pulling cylinder 013. The telescopic ends of the two pulling cylinders 013 are arranged opposite to each other and are respectively connected to a moving material platform 012. When the pulling cylinders 013 are moved, the spacing s can be changed to the spacing r, so that the spacings of all product fixtures are the same.

[0098] A horizontal slider 014 is fixed to the front and rear sides of the main material platform 011, and each slider 014 is slidably matched with a horizontally arranged linear slide rail 015. The other end of each linear slide rail 015 is connected to a moving material platform 012.

[0099] The lower surface of the main material table 011 is connected to the upper end of the corner part 016, and the corner part 016 is connected to the main frame 017. A sensor sheet is fixed on the lower surface of the main material table 011, and the upper plate of the main frame 017 is fixed with a position sensor 018 that cooperates with the sensor sheet. When the corner part 016 is started, the product fixture 0110 can be converted from the swinging angle to the loading angle.

[0100] The device realizes automatic variable pitch arrangement, and the corner part 016 realizes multi-angle selection of the loading device and the unloading device, which is suitable for more process equipment. Its beneficial effects are: first, the automatic variable pitch arrangement is fast and effective, and can be applied to large-scale continuous operations, while protecting the safety of workers and products; second, the main material table 011 and the mobile material table 012 are designed in a split manner, the slide rail slider is guided, and the pulling cylinder 013 is pulled in a straight line, which can perform good linear pitch change, with high pitch change accuracy and no left and right deviation; third, the induction sheet and the product position sensor 018 are matched, and the rotation accuracy is high; fourth, the product fixture 0110 and Bobbin00 are matched, which can achieve precise positioning and provide a good positioning reference for cutting.

[0101] Preferably, the corner portion 016 includes a rotating shaft 0161 and a servo motor 0162. The upper end of the rotating shaft 0161 is connected to the middle of the lower surface of the main material table 011. The middle of the rotating shaft 0161 is rotatably connected to the upper flat plate through a seat bearing 0163. The lower end of the rotating shaft 0161 is connected to the coupling 64 and connected to the outward extension shaft of the servo motor 0162.

[0102] The servo motor 0162 is fixed on the lower surface of the lower plate of the main frame 017. Its beneficial effects are: the servo motor has high rotation accuracy, the start and stop actions are soft, and the elastic coupling can buffer a certain impact force.

[0103] Preferably, the front and rear ends of the main material platform 011 are connected to a longitudinally arranged adapter plate 0111, the front side or rear side of the movable material platform 012 is connected to a longitudinally arranged top block 0112, the cylinder barrel of the pulling cylinder 013 is vertically fixed on the adapter plate 0111, and the telescopic rod of the pulling cylinder 013 is vertically connected to the top block 0112.

[0104] Preferably, the telescopic rod is installed with a floating joint, which is threadedly connected in the transverse threaded hole of the top block 0112. The beneficial effect is that the structure has high installation accuracy and the floating joint can adjust a certain size.

[0105] Preferably, a vertical groove 0121 is provided on the front side or the rear side of the movable material platform 012, and the width of the vertical groove 0121 is the same as that of the top block 0112. The beneficial effect is that the vertical groove 0121 has a good positioning structure to ensure the straightness of the pulling cylinder 013.

[0106] Preferably, the upper end of the adapter plate 0111 extends outward to form an upper ear block 0113, and the upper ear block 0113 is threadedly connected to the upper surface of the main material platform 011. The beneficial effect is that the upper ear block 0113 can provide a good positioning foundation.

[0107] Preferably, the main material platform 011 is an I-shaped structure, one end of the upper base plate 0100 of the main material platform 011 extends forward to form an upper wing plate 0101 and the other end extends backward to form an upper wing plate 0101, and a slider 014 is installed on the lower surface of each upper wing plate 0101; its beneficial effect is: the main material platform 011 has good positioning accuracy, and has a compact structure, small size, good rigidity, and no shaking under lateral loads.

[0108] The linear guide rail 015 moves in the C-shaped groove below the upper wing plate 0101.

[0109] At the opposite end of the upper wing plate 0101, a limit stopper 0114 is fixed on the lower base plate 0102 of the main material platform 011. Its beneficial effect is that the limit stopper 0114 has a good limit reference to prevent misoperation caused by excessive displacement.

[0110] Preferably, a raised platform 0122 is formed on one side of the lower surface of the movable material platform 012, a transverse groove 0123 is formed on the lower surface of the raised platform 0122, and the linear guide rail 015 is threadedly connected in the transverse groove 0123. The beneficial effect is that the transverse groove 0123 can provide a good positioning reference for the linear guide rail 015, with high installation accuracy and high straightness.

[0111] Preferably, the upper surface of the main material platform 011 is provided with a first positioning groove 0103, and the upper surface of the movable material platform 012 is provided with a second positioning groove 0124. The first positioning groove 0103 and the second positioning groove 0124 are located in the same height plane and on the same straight line. The threaded holes of the first positioning groove 103 and the second positioning groove 0124 and the stepped through holes of the product fixtures 0110 are connected by cylindrical head screws. The beneficial effect is that this setting can make all product fixtures 0110 in the same plane height, ensuring that all products have good positioning accuracy.

[0112] Preferably, a positioning column 0115 is formed on the upper surface of the product jig 0110, and the positioning column 0115 matches the inner hole of the hollow tube body 001 of Bobbin00, and the front side and rear side of the product jig 0110 are respectively fitted with the front PIN foot 004 and the rear PIN foot 009 of Bobbin00. The beneficial effect is that the product jig 0110 and Bobbin00 of the arrangement use the positioning column 0115 and the inner hole of the hollow tube body 001 to match, which can achieve good positioning and fixing of the product, and the front side and rear side of the product jig 0110 are respectively fitted with the front PIN foot 004 and the rear PIN foot 009, which can prevent the product from rotating, and there is no position movement during the rotation process, so the product is protected and a good foundation is provided for material removal.

[0113] The transfer swinging table 04 also includes a transfer frame 043, which is rotatably connected to the rotating shaft 042 through a seat bearing 045, and a heightening platform 046 is provided on one side of each seat bearing 045. The receiving fixture 041 is respectively connected to the upper end of the rotating shaft 042 or the heightening platform 046; the lower end of each rotating shaft 042 is connected to a transfer motor 044 through a coupling. The beneficial effect is that the transfer swinging table 04 can sort products quickly and accurately.

[0114] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An automatic PIN cutting line for injection molded product Bobbin, characterized in that: The machine comprises a variable pitch turntable (01), a PIN cutting machine (02) and a transfer swing table (04) which are arranged in sequence from right to left on the rear side of a frame (03), wherein the variable pitch turntable (01), the PIN cutting machine (02) and the transfer swing table (04) all have the same number of Bobbin (00) material positions n, and the longitudinal centerline spacing m between the variable pitch turntable (01) and the PIN cutting machine (02), and between the PIN cutting machine (02) and the transfer swing table (04) is the same. The unloading part (08) of the injection molding machine is independently arranged on the right side of the frame (03), and the unloading part (08) of the injection molding machine includes two rows of n / 2 columns of first clamping modules (09), and the arrangement of the first clamping modules (09) is the same as the arrangement of the Bobbin (00) in the finished product cavity of the injection molding machine; The variable pitch turntable (01) rotates to the longitudinal direction and the pitch is changed to the maximum, and the material level distribution at both ends of the variable pitch turntable (01) is respectively the same as the arrangement of a row of the first clamping modules (09); the variable pitch turntable (01) rotates to the transverse direction and the pitch is changed to the minimum, and the material level arrangement of the variable pitch turntable (01) is the same as the material level arrangement of the PIN cutting machine (02); The PIN cutting machine (02) simultaneously cuts off the front PIN pins (004) and the rear PIN pins (009) of all the Bobbins (00) on both sides; The gripping and transferring machine (05) comprises a plurality of groups of clamps (051) and an XYZ movable module (053), wherein the XYZ movable module (053) is fixed on the front side of the frame (03), and the two Z-axis components (8) of the XYZ movable module (053) are respectively connected to two clamping seats (9); the spacing between the two clamping seats (9) and the two Z-axis components (8) is m; n groups of clamps (051) are fixed on each clamping seat (9), and each group of clamps (051) can grip or release one Bobbin (00), and the gripping and transferring machine (05) can simultaneously take away n Bobbins (00) from the variable pitch turntable (01) and the PIN cutting machine (02), or simultaneously place n Bobbins (00) on the PIN cutting machine (02) and the transfer material table (04). The clamp (051) comprises a left clamp arm (1) and a right clamp arm (2); the lower surface and the front side surface of the clamp seat (9) are slidably connected to a movable plate (4); n left clamp arms (1) are evenly spaced and connected to the lower surface of the movable plate (4) arranged horizontally below; n right clamp arms (2) are evenly spaced and connected to the side surface of the movable plate (4) arranged vertically above; the two movable plates (4) can move towards or away from each other, thereby achieving the clamping or release of the Bobbin (00) by the left clamp arm (1) and the right clamp arm (2); The transfer material placing table (04) comprises a plurality of material receiving jigs (041) having the injection molded product, wherein one group of the material receiving jigs (041) at odd-numbered positions or even-numbered positions is fixedly arranged and the other group is rotatably arranged, and when the rotatably arranged material receiving jigs (041) are rotated 180°, the positions of the Bobbins (00) in the two groups of material receiving jigs (041) are the same; The material unloading module (06) is arranged at the rear side of the transfer material swinging table (04), and a plurality of the first material clamping modules (09) are arranged on the material unloading module (06); The pin insertion machine (07) is independently arranged on the left side of the frame (03), and the unloading module (06) clamps the Bobbin (00) on the transfer material table (04) and places it on the track of the pin insertion machine (07); The gripping and transferring machine (05) further comprises a pulling assembly (052), wherein the pulling assembly (052) comprises two pulling cylinders (3) whose telescopic ends are arranged laterally opposite to each other; the telescopic ends of the pulling cylinders (3) are respectively connected to one of the moving plates (4); A plurality of first sliding blocks (5) are installed on the upper surface of the lower movable plate (4) and the vertical rear side surface of the movable plate (4); the front side surface of the clamping seat (9) is connected to a transverse first guide rail (93), and the plurality of first sliding blocks (5) are slidably connected to the first guide rail (93); The left clamp arm (1) comprises a left clamp head which is arranged horizontally and longitudinally, and a left arc groove (11) is provided on the right side surface of the left clamp head; the right clamp arm (2) comprises a right clamp head which is arranged horizontally and longitudinally, and a right arc groove (21) is provided on the left side surface of the right clamp head; the left arc groove (11) and the right arc groove (21) are arranged horizontally and symmetrically and respectively match the outer contour of the hollow tube body (001) of the Bobbin (00); The upper end of the hollow tube (001) forms an upper retaining ring body (002) and the lower end forms a lower retaining ring body (003), and the distance between the upper retaining ring body (002) and the lower retaining ring body (003) is greater than the height of the left clamp and the right clamp; The first clamping module (09) comprises a soft and elastic upper clamping block (091), wherein the upper clamping block (091) is threadedly connected to the lower surface of the upper connecting plate (095), and the upper connecting plate (095) is connected to the middle of the lower surface of the vertical base plate (094); two vertical side clamping blocks (092) are symmetrically arranged on both sides of the upper clamping block (091), and the upper end of the inner side surface of the side clamping block (092) is provided with an arc surface (0921), and the lower end of the inner side surface of the side clamping block (092) protrudes inward to form a limit stopper (0922); The lower end of the side connecting block (096) has a lower ear plate (0961) on the left side and a rectangular notch on the right side. The side clamping block (092) is located in the notch and is connected to the inner side of the lower ear plate (0961). The positioning groove at the upper end of the side connecting block (096) and the rectangular claw of the clamping claw cylinder (093) are plug-fitted and fixed via a transverse screw member; the cylinder barrel of the clamping claw cylinder (093) is fixed to the front side of the vertical base plate (094).

2. The automatic PIN cutting line for injection molded product Bobbin according to claim 1 is characterized in that: The clamping seat (9) comprises a lower plate (91) and a vertical base plate (92) which are vertically connected to each other, and the lower surface of the lower plate (91) and the front side of the vertical base plate (92) are connected to a horizontal first guide rail (93). The cylinder barrel of one of the pulling cylinders (3) is fixed to the lower flat plate (91) via a first cylinder plate (95), and the cylinder barrel of the other pulling cylinder (3) is fixed to the vertical base plate (92) via the first cylinder plate (95); the telescopic ends of the two pulling cylinders (3) are connected to the movable plate (4) via a second cylinder plate (96); a limit seat (97) is provided on the lower flat plate (91) or the vertical base plate (92) respectively, and is opposite to the second cylinder plate (96).

3. The automatic PIN cutting line for injection molded product Bobbin according to claim 1 is characterized in that: The XYZ moving module (053) comprises an X-axis component (6), a Y-axis component (7) and two Z-axis components (8), wherein the X-axis component (6) comprises a first servo linear module (61) arranged in a transverse direction; the Y-axis component (7) comprises a second servo linear module (71) arranged in a longitudinal direction; and the Z-axis component (8) comprises a third servo linear module (81) arranged in a vertical direction.

4. The automatic PIN cutting line for injection molded product Bobbin according to claim 1 is characterized in that: The upper retaining ring body (002) is provided with an integrally raised right end block (005) and a partially raised left end block (006), and an upper protruding column (007) is formed on the upper surface of the right end block (005). The upper clamping block (091) is provided with a first avoidance groove (0913) matching with the left end block (006), a second avoidance groove (0914) matching with the right end block (005), and a through hole (0911) corresponding to the position of the upper boss (007), and the through hole (0911) and the upper boss (007) are matched with a large clearance; positioning pins are also installed at both ends of the lower surface of the upper clamping block (091), and the positioning pins correspond to the positioning holes (008) on the upper retaining ring body (002).

5. The automatic PIN cutting line for injection molded product Bobbin according to claim 1 is characterized in that: Vacuum suction nozzles are also installed at both ends of the lower surface of the upper clamping block (091). A contact sensor is provided on the lower surface of the upper clamping block (091).

6. The automatic PIN cutting line for injection molded product Bobbin according to claim 1 is characterized in that: The variable pitch turntable (01) comprises a main material table (011) and a movable material table (012) arranged outside the left and right ends of the main material table (011), and the upper surfaces of the main material table (011) and the movable material table (012) are both provided with a plurality of product jigs (0110); The front and rear sides of the main material platform (011) are each connected to a transverse pulling cylinder (013), and the telescopic ends of the two pulling cylinders (013) are arranged opposite to each other and are respectively connected to one of the moving material platforms (012); the front and rear sides of the main material platform (011) are also respectively fixed with a transverse sliding block (014), and each of the sliding blocks (014) is slidably matched with a transversely arranged linear slide rail (015), and the other end of each of the linear slide rails (015) is connected to one of the moving material platforms (012). The lower surface of the main material platform (011) is connected to the upper end of the corner portion (016), and the corner portion (016) is connected to the main frame (017).

7. The automatic PIN foot cutting production line for injection molded product Bobbin according to claim 6 is characterized in that: One end of the upper base plate (0100) of the main material platform (011) extends forward to form an upper wing plate (0101) and the other end extends backward to form the upper wing plate (0101), and the slider (014) is installed on the lower surface of each upper wing plate (0101); the linear slide rail (015) moves in the C-shaped groove of the upper wing plate (0101), and a transverse groove (0123) is formed on the lower surface of the movable material platform (012), and the linear slide rail (015) is threadedly connected in the transverse groove (0123).

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