Automatic separating and assembling device for injection products

Abstract

The invention relates to the technical field of automatic assembling machinery, in particular to an automatic separating and assembling device for injection products. The injection molding product comprises a rotary connecting main body, the rotary connecting main body comprises a box body and a box cover which are arranged in pairs, the box body and the box cover are transversely arranged, the box body and the box cover are connected through a runner forming piece, and the box body and the box cover are each provided with a rotary connecting piece. The rotating connecting piece comprises a rotating shaft hasp and a rotating shaft which are arranged on the close sides of the pair of rotating connecting bodies respectively, and a pair of buckling components corresponding to each other are arranged on the box body and the box cover. The fixing frame is provided with a limiting groove for accommodating the bottom of the box body; the material cutting device is used for cutting off a runner forming part; the assembling device is used for moving the box cover until the rotating shaft hasp is coupled with the rotating shaft; and the cover closing device is used for turning over the box cover until the pair of buckling components are coupled. Automatic assembly is achieved, and the production efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of automatic assembly machinery, and in particular to an automatic separation and assembly device for injection molded products. Background Art

[0002] The finished product of injection molding is as follows Figure 1 The flip-lid storage box shown in the figure is composed of a box body 11 and a box cover 12 which are connected in a rotational manner. After the injection molding process is completed, the box body 11 and the box cover 12 are connected by a pair of runner moldings 13. The subsequent production process requires cutting off the runner moldings 13, and then splicing and assembling the box body 11 and the box cover 12. The assembly process includes the following steps: Figure 2 As shown, the rotating shaft buckle 141 and the rotating shaft 142 of the rotating connecting member respectively arranged on the box body 11 and the box cover 12 are connected, and then as shown in Figure 3 As shown, the box body 11 and the box cover 12 are closed. The above process is mostly performed manually, and the production efficiency is not high. Summary of the invention

[0003] In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides an automatic separation and assembly device for injection molded products, which realizes automated assembly and can improve production efficiency.

[0004] In order to achieve the above object, the present invention is implemented through the following technical solutions: An automatic separation and assembly device for injection molded products, the injection molded product comprises a rotating connection body, the rotating connection body is a box body and a box cover arranged in pairs, the box body and the box cover are arranged in a transverse arrangement, the box body and the box cover are connected through a flow channel molding, the box body and the box cover are respectively provided with a rotating connection piece, the rotating connection piece comprises a rotating shaft buckle and a rotating shaft respectively arranged on the adjacent sides of a pair of rotating connection bodies, and the box body and the box cover are provided with a pair of mutually corresponding buckling components; Also includes: A fixing frame, wherein the fixing frame is provided with a limiting groove at the bottom of the storage box body; A cutting device, the cutting device is used to cut off the flow channel forming part; An assembly device, the assembly device is used to move the box cover to the shaft buckle and the shaft to couple; The cover closing device is used to flip the box cover to couple with a pair of buckling components.

[0005] Based on the above structure, an automatic separation and assembly device for injection molded products in the present application, the working method of which includes the following steps: S1, placing the injection molded product on a fixed frame, and placing the box body in a limiting groove, wherein the limiting groove is used to position the injection molded product; S2, the cutting device starts to cut off the runner molding parts; S3, the assembly device is started, so that the box body and the box cover are rotated and connected; S4, the cover closing device is started to close the box body and the box cover.

[0006] Furthermore, in the present application, an automatic separation and assembly device for injection molded products, the cutting device includes an ultrasonic cutting table, the ultrasonic cutting table is provided with a convex portion corresponding to the runner molding part one by one, and also includes a first driving component, the first driving component is used to drive the ultrasonic cutting table to move in the vertical direction. As a preferred embodiment of the present application, in the present application, the ultrasonic cutting table is connected to an ultrasonic generator (not shown), the convex portion is the end execution end of the ultrasonic cutting table, and when the first driving component is driven until the convex portion fits the runner molding part, the ultrasonic generator is activated, and the runner molding part can be vibrated off from between the box body and the box cover.

[0007] Furthermore, in the automatic separation and assembly device for injection molding products in the present application, the runner molding parts are arranged in pairs, the material cutting device is arranged below the runner molding parts, and the ultrasonic cutting table is provided with a material blocking rod, the top end of the material blocking rod is higher than the convex part, and when the convex part is in contact with the runner molding part, the material blocking rod is arranged inside the runner molding part. As a preferred solution of the present application, the material blocking rod is used to ensure that the runner molding parts fall outwards, and prevent the runner molding parts from falling inwards, which makes it difficult to discharge the materials.

[0008] Furthermore, in the present application, an automatic separation and assembly device for injection molded products, the fixed frame includes a horizontal plate, the ultrasonic cutting table is slidably connected to the horizontal plate in the vertical direction, a transmission convex portion is provided at the bottom of the ultrasonic cutting table, the first driving assembly includes a first driving cylinder and a transmission block, the transmission block is mounted on the movable assembly of the first driving cylinder, the fixed assembly of the first driving cylinder is mounted at the bottom of the horizontal plate, the first driving cylinder is used to drive the transmission block to move laterally, a lifting guide surface is provided on the side of the transmission block near the transmission convex portion, and the transmission convex portion abuts against the upper lifting guide surface. As a preferred embodiment of the present application, based on the above structure, longitudinal space can be saved and compactness can be improved.

[0009] Furthermore, the present application provides an automatic separation and assembly device for injection molded products, the assembly device comprising a push plate and a second drive assembly, the push plate being arranged on a side of the box cover away from the box body, the second drive assembly being in transmission connection with the push plate for driving the push plate to move laterally; The fixing frame is provided with a sliding groove for accommodating the lateral movement of the box cover, and the box cover is arranged in the sliding groove. As a preferred solution of the present application, the push plate is driven to move by the second driving assembly to push the box cover to move toward the box body until the shaft buckle is coupled with the shaft, and the sliding groove is used to limit the movement of the box cover in the horizontal direction.

[0010] Furthermore, in the automatic separation and assembly device for injection molded products in the present application, a limiting pressure plate is extended from the upper end of the push plate, and the limiting pressure plate extends from the front end of the push plate to limit the upward movement of the box cover. As a preferred solution of the present application, before the material cutting device is started, the limiting pressure plate moves to the top of the box cover, and after the material cutting device is started, when the runner molding part fits with the convex part, the limiting pressure plate provides a downward reaction force to ensure that the runner molding part and the convex part are effectively fitted. After the material cutting is completed, when the second drive assembly drives the push plate to push the box cover, the limiting pressure plate is used to prevent the box cover from moving too far upward.

[0011] Furthermore, in the present application, an automatic separation and assembly device for injection molded products, the lid closing device includes a third driving assembly and a swing frame rotatably mounted on a fixed frame, the third driving assembly is in transmission connection with the swing frame to drive the swing frame to rotate on the fixed frame, a roller is provided at the end of the swing frame, the roller extends along the width direction of the box cover, and during the rotation of the swing frame, the roller is used to push the box cover to rotate on the box body. As a preferred solution of the present application, the swing frame is driven to flip by the third driving assembly to push the box cover to rotate on the box body, and the roller contacts the box cover during this process.

[0012] Furthermore, in the present application, an automatic separation and assembly device for injection molded products, the swing frame includes a pair of swing arms, the roller body is rotatably mounted between the pair of swing arms, the swing arms are rotatably mounted on the fixed frame, and a transmission gear is mounted on the swing arms corresponding to the rotation axis of the swing arms; The third driving assembly includes a third driving cylinder and a rack frame, the rack frame is connected to the movable assembly of the third driving cylinder, the rack frame is provided with a transmission rack, and the transmission rack is meshed with a transmission gear. As a preferred solution of the present application, the rack frame is driven to move by the third driving cylinder to drive the transmission gear to rotate, so as to realize the rotation of the swing frame to push a pair of buckling components to couple. When a pair of buckling components are coupled, the stroke of the third driving cylinder can be limited, which has the advantage of simple control.

[0013] Furthermore, an automatic separation and assembly device for injection molded products in the present application further includes a gap detection device, the gap detection device includes a plug, a pulling driver and a pressure sensor, a limit plate is provided on one side of the box body, and a detection end of the pressure sensor is arranged on the limit plate near the side of the box body; Before the cover closing device is activated, the plug is arranged on the box body, and after the cover closing device is activated, the plug is clamped between the box body and the box cover; The pulling driver is connected to the plug piece in a transmission manner, and the pulling driver is used to pull the plug piece in the direction from the box body to the limit plate. As a preferred solution of the present application, if the quality of the molded product is poor or the shaft breaks during the assembly process, the gap between the box body and the box cover will not be tight enough when a pair of snap-fit ​​components are coupled. Therefore, the tightness of the pressing between the box body and the box cover after the box cover is closed on the box body is an important indicator for detecting product quality. Based on the above device, its principle is that after the closing device is started, the plug piece is clamped between the box body and the box cover, and the plug piece is pulled by the pulling driver. Due to the limitation of the limit plate, the box body will not move. The pressure generated by the box body in this process is detected by the pressure sensor to determine whether the box body and the box cover are pressed tightly. If the pressure sensor detects that the pressure is greater than the preset value, it is judged that the box body and the box cover are pressed tightly and the product is qualified. If the pressure sensor detects that the pressure is less than the preset value, it is judged that the product is unqualified.

[0014] Furthermore, in the automatic separation and assembly device for injection molded products in the present application, the pulling drive comprises a pulling drive cylinder and a sliding seat connected to a movable assembly of the pulling drive cylinder, and the sliding seat is connected to the plug. As a preferred solution of the present application, the pulling drive cylinder drives the sliding seat to move to drive the plug to move.

[0015] It can be seen from the above technical solution that the present invention has the following beneficial effects: 1. The present invention provides an automatic separation and assembly device for injection molded products, which can realize automatic separation and assembly of injection molded products with a high degree of automation to improve production efficiency.

[0016] 2. The present invention provides an automatic separation and assembly device for injection molded products, which can detect the tightness of the gap between the box body and the box cover to ensure product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The structure of the injection molded product in one embodiment of the present application is shown in FIG. Figure 1 ; Figure 2 The structure of the injection molded product in one embodiment of the present application is shown in FIG. Figure 2 (The shaft buckle and the shaft are coupled to each other); Figure 3 The structure of the injection molded product in one embodiment of the present application is shown in FIG. Figure 3 (the state in which the fastening components are coupled to each other); Figure 4 This is a schematic structural diagram of an automatic separation and assembly device for injection molded products in one embodiment of the present application; Figure 5 An exploded view of components of an automatic separation and assembly device for injection molded products in one embodiment of the present application; Figure 6This is a schematic diagram of a cutting device in an embodiment of the present application (the front shielding component is hidden); Figure 7 An exploded view of the components of a flip frame in one embodiment of the present application; Figure 8 Schematic diagram of a cover opening detector in one embodiment of the present application;.

[0018] In the figure: 1-injection molding product; 11-box body; 111-locking convex; 12-box cover; 121-locking buckle; 1211-opening slot; 13-flow channel molding part; 141-rotating shaft buckle; 142-rotating shaft; 2-fixed frame; 21-horizontal plate; 210-limiting groove; 211-sliding groove; 212-limiting edge; 22-limiting plate; 23-suction nozzle; 3-cutting device; 31-ultrasonic cutting table; 311-convex part; 312-blocking rod; 313-transmission convex part; 32-first driving assembly; 321-first driving cylinder; 322-transmission block; 3221-lifting guide surface; 4-assembly device; 41-push plate; 411-limiting pressure plate; 42-second drive assembly; 421-second drive cylinder; 5-cover closing device; 51-swing frame; 511-roller body; 512-swing arm; 5121-transmission gear; 52-third drive assembly; 521-third drive cylinder; 522-rack frame; 5221-transmission rack; 6-gap detection device; 61-plug; 62-pull drive; 621-pull drive cylinder; 622-sliding seat; 63-turning frame; 631-side plate; 632-connecting plate; 6321-guide rail; 64-winding shaft; 65-turning frame drive device; 66-winding shaft drive; 67-positioning roller; 68-pressure sensor; 7-cover opening detector; 71-cylinder; 72-transmission frame; 73-push frame; 731-push head; 74-reset spring. DETAILED DESCRIPTION

[0019] An automatic separation and assembly device for injection molded products, an injection molded product 1 is combined Figures 1 to 3The box body 11 and the box cover 12 are arranged in pairs, the box body 11 and the box cover 12 are arranged in a transverse arrangement, the box body 11 and the box cover 12 are connected by a flow channel forming part 13, and a rotating connection member is provided on each of the box body 11 and the box cover 12, and the rotating connection member includes a rotating shaft buckle 141 and a rotating shaft 142 respectively arranged on the adjacent sides of a pair of rotating connection bodies, and a pair of mutually corresponding buckling components are provided on the box body 11 and the box cover 12, specifically, a locking protrusion 111 is provided on the side of the box body 11 away from the box cover 12, and a locking buckle 121 corresponding to the locking protrusion 111 is provided on the side of the box cover 12 away from the box body 11, and the locking protrusion 111 and the locking buckle 121 form a pair of buckling components; Combination Figure 4 and Figure 5 As shown, it also includes: A fixing frame 2, on which a limiting groove 210 for receiving the bottom of the box body 11 is disposed; A cutting device 3, the cutting device 3 is used to cut off the flow channel forming part 13; Assembling device 4, the assembly device 4 is used to move the box cover 12 to couple the rotating shaft buckle 141 and the rotating shaft 142; The cover closing device 5 is used to flip the box cover 12 to couple with a pair of buckling components.

[0020] Based on the above structure, an automatic separation and assembly device for injection molded products in this embodiment has a working method comprising the following steps: S1, placing the injection molded product 1 on the fixing frame 2, and receiving the box body 11 in the limiting groove 210, wherein the limiting groove 210 is used to position the injection molded product 1; S2, the cutting device 3 is started to cut off the flow channel forming part 13; S4, the assembly device 4 is started, so that the box body 11 and the box cover 12 are rotatably connected; S5, the cover closing device 5 is started to close the box body 11 and the box cover 12.

[0021] Therefore, the injection molded product 1 can be automatically separated and assembled with a high degree of automation to improve production efficiency.

[0022] Combination Figure 5 and Figure 6As shown, in this embodiment, the cutting device 3 includes an ultrasonic cutting platform 31, on which a convex portion 311 corresponding to the flow channel forming member 13 is provided, and also includes a first driving assembly 32, which is used to drive the ultrasonic cutting platform 31 to move in the vertical direction. The ultrasonic cutting platform 31 is connected to an ultrasonic generator (not shown), and the convex portion 311 is the end execution end of the ultrasonic cutting platform 31. When the first driving assembly 32 is driven to the convex portion 311 and the flow channel forming member 13 are attached, the ultrasonic generator is started, and the flow channel forming member 13 can be shaken off from between the box body 11 and the box cover 12. In this embodiment, the flow channel forming member 13 is arranged in pairs, and the cutting device 3 is arranged below the flow channel forming member 13. A material blocking rod 312 is provided on the ultrasonic cutting platform 31, and the top of the material blocking rod 312 is higher than the convex portion 311. When the convex portion 311 and the flow channel forming member 13 are attached, the material blocking rod 312 is arranged on the inner side of the flow channel forming member 13. The material blocking rod 312 is used to ensure that the flow channel forming part 13 falls outwards, and prevent the flow channel forming part 13 from falling inwards, which makes it difficult to discharge the material.

[0023] In addition, in the present embodiment, the fixing frame 2 includes a transverse plate 21, the ultrasonic cutting table 31 is slidably connected to the transverse plate 21 in the vertical direction, the transverse plate 21 is provided with a slide groove adapted to the shape of the protrusion 311, a transmission protrusion 313 is provided at the bottom of the ultrasonic cutting table 31, the first driving component 32 includes a first driving cylinder 321 and a transmission block 322, the transmission block 322 is installed on the movable component of the first driving cylinder 321, the fixed component of the first driving cylinder 321 is installed at the bottom of the transverse plate 21, the first driving cylinder 321 is used to drive the transmission block 322 to move laterally, the transmission block 322 is provided with a lifting guide surface 3221 on the side near the transmission protrusion 313, and the transmission protrusion 313 abuts against the upper part of the lifting guide surface 3221. Based on the above structure, in order to save longitudinal space and improve compactness. Specifically, in combination with Figure 6 As shown, the lifting guide surface 3221 includes a high section and a low section arranged laterally, the high section is located above the low section, and an arc transition surface is provided between the high section and the low section. When the first driving cylinder 321 drives the transmission block 322 to move until the transmission convex portion 313 is in contact with the high section, the ultrasonic cutting table 31 rises until the convex portion 311 contacts the flow channel forming part 13, and when the first driving cylinder 321 drives the transmission block 322 to move until it is in contact with the low section, the convex portion 311 drops below the box cover 12 to make room for the box cover 12 to move laterally.

[0024] Combination Figure 4 and 5 As shown, in this embodiment, the assembly device 4 includes a push plate 41 and a second drive assembly 42. The push plate 41 is arranged on the side of the box cover 12 away from the box body 11. The second drive assembly 42 is transmission-connected with the push plate 41 to drive the push plate 41 to move laterally. The fixed frame 2 is provided with a sliding groove 211 for accommodating the lateral movement of the box cover 12, and the box cover 12 is arranged in the sliding groove 211. The push plate 41 is driven to move by the second driving assembly 42 to push the box cover 12 to move toward the box body 11 until the rotating shaft buckle 141 and the rotating shaft 142 are coupled, and the sliding groove 211 is used to limit the movement of the box cover 12 in the horizontal direction. Specifically, the sliding groove 211 is arranged on the fixed frame 2. In this embodiment, a limiting pressure plate 411 is extended from the upper end of the push plate 41, and the limiting pressure plate 411 extends from the front end of the push plate 41 to limit the upward movement of the box cover 12. Before the cutting device 3 is started, the limiting pressure plate 411 moves to the top of the box cover 12. After the cutting device 3 is started, when the flow channel forming part 13 is fitted with the protrusion 311, the limiting pressure plate 411 provides a downward reaction force to ensure that the flow channel forming part 13 and the protrusion 311 are effectively fitted. After the cutting is completed, the second driving assembly 42 drives the push plate 41 to push the box cover 12, and the limit pressing plate 411 is used to prevent the box cover 12 from moving too far upward. In this embodiment, the second driving assembly 42 includes a second driving cylinder 421, the cylinder body of the second driving cylinder 421 is installed on the push plate 41, and the telescopic rod of the second driving cylinder 421 is connected to the fixing frame 2.

[0025] Combination Figure 4 and 5 As shown, in this embodiment, the cover closing device 5 includes a third driving assembly 52 and a swing frame 51 rotatably mounted on the fixed frame 2. The third driving assembly 52 is connected to the swing frame 51 in a transmission manner to drive the swing frame 51 to rotate on the fixed frame 2. A roller 511 is provided at the end of the swing frame 51. The roller 511 is extended along the width direction of the box cover 12. During the rotation of the swing frame 51, the roller 511 is used to push the box cover 12 to rotate on the box body 11. The swing frame 51 is driven to flip by the third driving assembly 52 to push the box cover 12 to rotate on the box body 11. During this process, the roller 511 contacts the box cover 12.

[0026] In this embodiment, the swing frame 51 includes a pair of swing arms 512, the roller body 511 is rotatably mounted between the pair of swing arms 512, the swing arm 512 is rotatably mounted on the fixed frame 2, and a transmission gear 5121 is mounted on the swing arm 512 corresponding to the rotation axis of the swing arm 512; the third driving assembly 52 includes a third driving cylinder 521 and a rack frame 522, the rack frame 522 is connected to the movable assembly of the third driving cylinder 521, and a transmission rack 5221 is arranged on the rack frame 522, and the transmission rack 5221 is meshed with the transmission gear 5121. The rack frame 522 is driven to move by the third driving cylinder 521 to drive the transmission gear 5121 to rotate, so as to realize the rotation of the swing frame 51 to push a pair of buckling components to couple. When the pair of buckling components are coupled, the stroke of the third driving cylinder 521 can be limited, which has the advantage of simple control. In this embodiment, the rotating axis of the swing frame 51 is not concentric with the rotating axis of the box cover 12. Therefore, when the roller 511 pushes the box cover 12 to flip, relative sliding occurs between the roller 511 and the box cover 12. The roller 511 is arranged on the swing arm 512 for rotation to prevent the box cover 12 from being scratched during this process. Preferably, a flexible pad can be coated on the surface of the roller 511.

[0027] Combination Figure 4 , Figure 5 and Figure 7 As shown, in this embodiment, a gap detection device 6 is also included, and the gap detection device 6 includes a plug 61, a pulling driver 62 and a pressure sensor 68. A limit plate 22 is provided on one side of the box body 11, and the detection end of the pressure sensor 68 is arranged on the limit plate 22 near the box body 11; before the cover closing device 5 is started, the plug 61 is arranged on the box body 11, and after the cover closing device 5 is started, the plug 61 is clamped between the box body 11 and the box cover 12; the pulling driver 62 is connected to the plug 61 in a transmission manner, and the pulling driver 62 is used to pull the plug 61 from the box body 11 to the limit plate 22. If the quality of the molded product is poor or the rotating shaft 142 is broken during the assembly process, the gap between the box body 11 and the box cover 12 will not be tight enough when a pair of snap-fitting components are coupled. Therefore, the tightness of the press fit between the box body 11 and the box cover 12 after the box cover 12 is closed on the box body 11 is an important indicator for detecting product quality. Based on the above device, the principle is that after the cover closing device 5 is started, the plug 61 is sandwiched between the box body 11 and the box cover 12. The plug 61 is pulled by the pull driver 62. Due to the limit of the limit plate 22, the box body 11 will not move. The pressure generated by the box body 11 in this process is detected by the pressure sensor 68 to determine whether the box body 11 and the box cover 12 are tightly pressed. If the pressure sensor 68 detects that the pressure is greater than the preset value, it is determined that the box body 11 and the box cover 12 are tightly pressed and the product is qualified. If the pressure sensor 68 detects that the pressure is less than the preset value, it is determined that the product is unqualified. In this embodiment, the thickness of the plug 61 is 0.2 mm.

[0028] In this embodiment, the pulling driver 62 includes a pulling drive cylinder 621 and a sliding seat 622 connected to a movable component of the pulling drive cylinder 621, and the sliding seat 622 is connected to the plug 61. The pulling drive cylinder 621 drives the sliding seat 622 to move, thereby driving the plug 61 to move.

[0029] In addition, in this embodiment, the gap detection device 6 further includes a flip frame 63, which is rotatably mounted on the fixed frame 2, and a flip frame driving device 65, which is transmission-connected with the flip frame 63, and the plug 61 and the pulling driver 62 are mounted on the flip frame 63; the flip frame driving device 65 is used to drive the flip frame 63 to rotate, so that the flip frame 63 switches between the first posture and the second posture; in the first posture, the plug 61 is attached to the upper end of the box body 11; in the second posture, the plug 61 is located outside the box body 11. In the initial state, the flip frame 63 is in the second posture, and the box body 11 is placed in the limiting groove 210 to make room for placing the box body 11 in the limiting groove 210; when the box body 11 is placed in the limiting groove 210, the flip frame driving device 65 drives the flip frame 63 to rotate to the first posture, and the plug 61 is pressed against the upper end of the box body 11. The turning frame driving device 65 is a motor, and the turning frame 63 and the turning frame driving device 65 are connected via a sprocket-chain transmission.

[0030] In this embodiment, a limiting portion is provided on the fixed frame 2, and when the flip frame 63 is in the first posture, the flip frame 63 abuts against the limiting portion. The limiting portion is used to position the flip frame 63, and after the pulling driver 62 is started, the flip frame 63 is ensured to stop in the second posture. In this embodiment, the limiting portion is the upper end surface of the horizontal plate 21.

[0031] In this embodiment, a winding shaft 64 is rotatably provided on the flip frame 63, and the winding shaft 64 is arranged on the side of the box body 11 away from the limit plate 22. One end of the plug 61 is wound on the winding shaft 64, and the other end is connected to the pulling driver 62. A winding shaft driver 66 is installed on the flip frame 63, and the winding shaft driver 66 is connected to the winding shaft 64. In this embodiment, the winding shaft 64 has the effect of storing the plug 61 to a certain extent. After the plug 61 at the front end is used a certain number of times, it will be worn, affecting the detection accuracy. At this time, the plug 61 at the front section is cut off, and the unworn plug 61 at the rear section is connected to the limit plate 22. In addition, before the pulling drive 62 is started, the winding shaft drive 66 locks the winding shaft 64 to prevent the winding shaft 64 from rotating; when the pulling drive 62 pulls the plug 61, the winding shaft drive 66 is in an unlocked state, and the winding shaft 64 rotates in the R direction as the plug 61 is pulled; when the plug 61 is reset, the winding shaft drive 66 drives the winding shaft 64 to rotate to pull the sliding seat 622 to reset, and the pulling drive cylinder 621 is in a disabled state during this process. In this embodiment, the winding shaft drive 66 is a stepping motor, and the winding shaft drive 66 and the winding shaft 64 are connected by a synchronous pulley-synchronous belt transmission. In other embodiments, a tension controller may be provided on the winding shaft 64 to prevent the winding shaft 64 from rotating too far when the plug 61 rotates. The specific tension controller may be a coil spring (not shown), which is provided between the winding shaft 64 and the flip frame 63 and is used to apply an elastic force opposite to the R direction to the winding shaft 64 to ensure synchronization when the winding shaft 64 is pulled and rotated.

[0032] In this embodiment, a positioning roller 67 is provided on the flip frame 63. When the flip frame 63 is in the first posture, the positioning roller 67 is arranged on the side of the box body 11 away from the limiting plate 22. The positioning roller 67 is pressed on the plug 61. The extension direction of the plug 61 between the positioning roller 67 and the sliding seat 622 is parallel to the upper end surface of the box body 11.

[0033] In this embodiment, the flip frame 63 includes a pair of side plates 631, a pair of connecting plates 632 are fixedly arranged between the side plates 631, the connecting plates 632 are extended along the sliding direction of the sliding seat 622, and a guide rail mounting surface is arranged on the connecting plate 632. The pair of guide rail mounting surfaces are perpendicular to each other, and a guide rail 6321 is installed on the guide rail mounting surface, and the sliding seat 622 is slidably installed on the guide rail 6321. That is, a pair of vertically arranged connecting plates 632 are slidably connected with the sliding seat 622 to ensure the stability of the connection between the sliding seat 622 and the flip frame 63 during the flipping and switching process of the flip frame 63. Specifically, when the flip frame 63 is in the first posture, one of the connecting plates 632 is below the sliding seat 622.

[0034] Combination Figure 3 As shown, in this embodiment, the box cover 12 is provided with a cover opening slot 1211; Also includes Figure 4 , 5 As shown in FIG. 8 , the cover opening detector 7 includes a cover opening driver, a transmission frame 72 and a push frame 73. The transmission frame 72 is rotatably mounted on the fixed frame 2. The transmission frame 72 is rotatably connected to the push frame 73. The push frame 73 is provided with a push head 731 adapted to the cover opening groove 1211 at one end away from the transmission frame 72. When the box cover 12 and the box body 11 are closed, the push head 731 contacts the inner side of the cover opening groove 1211. The cover opening driver is connected to the transmission frame 72 in a transmission manner. The cover opening driver is used to apply a preset driving force to the transmission frame 72. In this embodiment, the quality of the product also includes the firmness of the coupling of a pair of buckling components when the box cover 12 is closed on the box body 11. If the coupling of the two is not firm, the product can be judged as unqualified. Based on the above structure, the transmission frame 72, the push frame 73 and the box cover 12 form three movable links of the four-bar linkage. The first driving force is applied to the transmission frame 72 by the cover opening driver, and the push frame 73 transmits the force to the cover opening slot 1211 through the push head 731. If the box cover 12 is opened at this time, it is judged that the coupling of the fastening member is not reliable and the product is unqualified; otherwise, the product is judged to be qualified. After the detection is completed, the cover opening driver applies the second driving force to ensure that the box cover 12 is opened. At this time, the flip frame driving device 65 can drive the flip frame 63 to reset from the first posture to the second posture.

[0035] In this embodiment, the push head 731 is cylindrical with its axial direction parallel to the cover opening groove 1211 , and is rotatably mounted on the end of the push frame 73 .

[0036] In this embodiment, the cover opening driver is a cylinder 71, and a pair of relatively telescopic components of the cylinder 71 are rotatably connected to the fixed frame 2 and the transmission frame 72 respectively. The cylinder 71 is arranged on the fixed frame 2 corresponding to the side of the box body 11 away from the box cover 12. The stability of the driving force generated by the cover opening driver can be ensured by controlling the driving air pressure of the cylinder 71. In this embodiment, the cylinder body of the cylinder 71 is rotatably mounted on the fixed frame 2, and the telescopic rod of the cylinder 71 is rotatably connected to the transmission frame 72.

[0037] In this embodiment, a return spring 74 is further included, and the return spring 74 is elastically connected to the push frame 73. A limit stop edge 212 is provided on the fixed frame 2; when the cover opening driver is not started, the return spring 74 presses the push frame 73 onto the limit stop edge 212. In this embodiment, the limit stop edge 212 is used to realize the positioning of the push frame 73 in the reset state. In the reset state, the push frame 73 is pressed onto the limit stop edge 212 by the elastic force applied by the return spring 74 to ensure that the push head 731 on the push frame 73 can be in the cover opening groove 1211. In this embodiment, the limit stop edge 212 is provided on the horizontal plate 21.

[0038] In this embodiment, the return spring 74 is a tension spring, and the return spring 74 is connected between the push frame 73 and the fixing frame 2 .

[0039] Combination Figure 5 As shown, in this embodiment, a suction nozzle 23 is further included, which is arranged on the bottom surface of the limiting groove 210, and the suction nozzle 23 is connected to the vacuum generator (not shown) through an air path. The suction nozzle 23 is used to apply a downward suction force to the box body 11 to prevent the box body 11 from being pushed out of the limiting groove 210 by an external force.

[0040] The technical principles of the present invention are described above in conjunction with specific embodiments. These descriptions are only for explaining the principles of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without creative work, and these methods will fall within the scope of protection of the present invention.

Claims

1. An automatic separation and assembly device for injection molded products, characterized in that: The injection molded product (1) comprises a rotating connection body, wherein the rotating connection body is a box body (11) and a box cover (12) arranged in a pair, the box body (11) and the box cover (12) being arranged in a transverse arrangement, the box body (11) and the box cover (12) being connected via a flow channel molding (13), the box body (11) and the box cover (12) each being provided with a rotating connection member, the rotating connection member comprising a rotating shaft buckle (141) and a rotating shaft (142) respectively arranged on adjacent sides of a pair of rotating connection bodies, and the box body (11) and the box cover (12) being provided with a pair of mutually corresponding buckling components; Also includes: A fixing frame (2), wherein the fixing frame (2) is provided with a limiting groove (210) at the bottom of the storage box body (11); A cutting device (3), the cutting device (3) being used to cut off the flow channel forming part (13); An assembly device (4), the assembly device (4) being used to move the box cover (12) to couple the rotating shaft buckle (141) and the rotating shaft (142); A cover closing device (5), wherein the cover closing device (5) is used to flip the box cover (12) to couple with a pair of buckling components.

2. The automatic separation and assembly device for injection molded products according to claim 1, characterized in that: The cutting device (3) comprises an ultrasonic cutting table (31), the ultrasonic cutting table (31) being provided with convex portions (311) corresponding one-to-one to the flow channel forming parts (13), and further comprising a first driving component (32), the first driving component (32) being used to drive the ultrasonic cutting table (31) to move in a vertical direction.

3. The automatic separation and assembly device for injection molded products according to claim 2, characterized in that: The flow channel forming parts (13) are arranged in pairs, the cutting device (3) is arranged below the flow channel forming parts (13), and the ultrasonic cutting table (31) is provided with a material blocking rod (312), the top end of the material blocking rod (312) is higher than the convex part (311), and when the convex part (311) is in contact with the flow channel forming part (13), the material blocking rod (312) is arranged on the inner side of the flow channel forming part (13).

4. The automatic separation and assembly device for injection molded products according to claim 3, characterized in that: The fixing frame (2) comprises a transverse plate (21), the ultrasonic cutting platform (31) is slidably connected to the transverse plate (21) in a vertical direction, a transmission convex portion (313) is provided at the bottom of the ultrasonic cutting platform (31), the first driving assembly (32) comprises a first driving cylinder (321) and a transmission block (322), the transmission block (322) is mounted on a movable assembly of the first driving cylinder (321), the fixed assembly of the first driving cylinder (321) is mounted at the bottom of the transverse plate (21), the first driving cylinder (321) is used to drive the transmission block (322) to move laterally, a lifting guide surface (3221) is provided on a side of the transmission block (322) near the transmission convex portion (313), and the transmission convex portion (313) abuts against the upper side of the lifting guide surface (3221).

5. The automatic separation and assembly device for injection molded products according to claim 1, characterized in that: The assembling device (4) comprises a push plate (41) and a second driving assembly (42), wherein the push plate (41) is arranged on a side of the box cover (12) away from the box body (11), and the second driving assembly (42) is drivingly connected to the push plate (41) for driving the push plate (41) to move laterally; The fixing frame (2) is provided with a sliding groove (211) for accommodating the box cover (12) to move horizontally, and the box cover (12) is arranged in the sliding groove (211).

6. The automatic separation and assembly device for injection molded products according to claim 5, characterized in that: A limiting pressure plate (411) is provided on the upper end of the push plate (41), and the limiting pressure plate (411) extends out of the front end of the push plate (41) and is used to limit the upward movement of the box cover (12).

7. The automatic separation and assembly device for injection molded products according to claim 1, characterized in that: The cover closing device (5) comprises a third driving assembly (52) and a swing frame (51) rotatably mounted on a fixed frame (2); the third driving assembly (52) is in driving connection with the swing frame (51) to drive the swing frame (51) to rotate on the fixed frame (2); a roller body (511) is provided at an end of the swing frame (51); the roller body (511) is extended along the width direction of the box cover (12); during the rotation of the swing frame (51), the roller body (511) is used to push the box cover (12) to rotate on the box body (11).

8. The automatic separation and assembly device for injection molded products according to claim 7, characterized in that: The swing frame (51) comprises a pair of swing arms (512), the roller body (511) is rotatably mounted between the pair of swing arms (512), the swing arms (512) are rotatably mounted on the fixed frame (2), and a transmission gear (5121) is mounted on the swing arms (512) corresponding to the rotation axis of the swing arms (512); The third driving assembly (52) comprises a third driving cylinder (521) and a rack frame (522); the rack frame (522) is connected to a movable assembly of the third driving cylinder (521); a transmission rack (5221) is provided on the rack frame (522); and the transmission rack (5221) is meshed with a transmission gear (5121).

9. The automatic separation and assembly device for injection molded products according to claim 1, characterized in that: The box body (11) further comprises a gap detection device (6), the gap detection device (6) comprising a plug (61), a pulling driver (62) and a pressure sensor (68); a limit plate (22) is provided on one side of the box body (11); and a detection end of the pressure sensor (68) is arranged on the limit plate (22) near the box body (11); Before the cover closing device (5) is activated, the plug (61) is arranged on the box body (11); after the cover closing device (5) is activated, the plug (61) is clamped between the box body (11) and the box cover (12); The pulling driver (62) is in transmission connection with the plug piece (61), and the pulling driver (62) is used to pull the plug piece (61) in a direction from the box body (11) to the limit plate (22).

10. The automatic separation and assembly device for injection molded products according to claim 9, characterized in that: The pulling drive (62) comprises a pulling drive cylinder (621) and a sliding seat (622) connected to a movable component of the pulling drive cylinder (621); the sliding seat (622) is connected to the plug (61).

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