Pin insertion machine and plastic part production method

Abstract

The present invention relates to a pin insertion machine and a method for producing plastic parts. The pin insertion machine includes a placement mechanism, a first feeding mechanism, a second feeding mechanism, an insertion and cutting mechanism, and a detection mechanism. The placement mechanism includes a placement table for placing plastic products, and the first feeding mechanism transports the plastic products to the placement table; the second feeding mechanism is used to transport terminal carriers; the insertion and cutting mechanism includes a clamping assembly, a pushing drive component, a cutting assembly, and a cutting drive component. The clamping assembly is used to clamp the terminals, and the pushing drive component is used to drive the clamping assembly to push the terminals into the openings of the plastic products; the cutting assembly is located above the terminal carrier, and the cutting assembly includes a cutter and a cutting drive component. The cutter is used to cut the carrier body that accommodates the terminals; the detection mechanism is used to detect the plastic product after the terminals are inserted. The pin insertion machine provided by the present invention can automatically and quickly feed terminal carriers and plastic products, realize terminal carrier cutting, and quickly insert the terminals into the plastic products, with high production efficiency and high product quality.

Description

Technical Field

[0001] The invention relates to a pin insertion machine and a plastic part production method. Background Art

[0002] With the development and popularization of new energy vehicles, the use of automotive electronics is becoming increasingly widespread. Automotive electronics rely on both weak signal transmission and strong current transmission. Consequently, the development of copper terminals embedded in plastic injection molding has also seen rapid growth. Leveraging the excellent conductivity of copper terminals and the insulation of plastic, as well as the potential for complex product designs and molding, embedded injection molding is increasingly used in automotive electronics. At the same time, automotive electronics also place very stringent requirements on the functional properties of the terminals inserted into the plastic parts, such as airtightness, resistance to electrical breakdown, and thermal shock.

[0003] When preparing plastic parts, the terminals need to be inserted into the openings of the plastic products. The terminals are cylindrical (square or thin), with a small width (1-5mm) and a small length (about 3cm).

[0004] When inserting copper terminals into plastic products, the equipment required involves multiple stations. First, several meters or even dozens of meters of slender copper wire are placed on a reel, and then cut into the required size at one station and enter the next station (that is, cut one by one). Then, the cut copper terminals are chamfered and embossed to form standard copper terminals. Finally, the copper terminals are inserted into the plastic product. The problem is that the copper terminals are processed first and then inserted into the plastic product. It is impossible to process all the copper terminals in advance and save them. This results in two processes (one process). The copper terminals are processed first, and then inserted into the plastic product in another process. The latter process needs to wait for the previous process (it takes a long time). If all the copper terminals are processed in advance, when the scattered copper terminals need to be inserted, they must be straightened out before inserting into the plastic product. This process is very complicated and time-consuming. The terminals are very small structures. When inserting one or more terminals into the plastic product, the insertion equipment used is extremely demanding. For example, a very high-precision clamp must be used to grasp the tiny terminals, and the clamp must then be moved toward the plastic product before the copper terminals are inserted into the plastic product.

[0005] The terminal is inserted into the plastic product through the feeding mechanism. The feeding mechanism is usually a storage table for storing plastic products and a long conveying channel. The conveying channel corresponds to the storage table outlet. The conveying channel has a long receiving groove. Multiple plastic products to be processed are distributed one by one in the receiving groove. Then one of the plastic products is clamped by a robot or pneumatic fingers and sent to the next process. When the robot grabs a single plastic product, it cannot quickly grab a plastic product because two adjacent plastic products in the receiving groove are adjacent to each other. If this process is delayed, problems will also occur in the subsequent processes, causing the entire production process to be delayed.

[0006] In addition, a copper terminal is clamped by a robot or pneumatic finger and sent into the plastic product. Only one can be clamped at a time. Due to the small size of the copper terminal (width is 1-2mm and length is about 5cm), a very precise robot or pneumatic finger is required to complete it. There is also a risk that the robot or pneumatic finger will crush the copper terminal when inserting it into the plastic product. There is also a pushing component to push the terminal. An opening is provided on the pushing component. The pushing component moves linearly toward the terminal so that one end of the terminal enters the opening. This method is easy to damage the terminal because the terminal will be displaced when the pushing component moves toward the terminal and a component is required to press the terminal tightly to prevent it from moving. The component may crush the terminal. Summary of the Invention

[0007] The purpose of the present invention is to provide a pin insertion machine and a plastic part production method to solve the problem that the terminals are easily damaged when inserting the terminals into the plastic products and there are many steps involved.

[0008] In order to achieve the above object, the technical solution adopted by the present invention is:

[0009] A pin insertion machine, comprising:

[0010] A placement mechanism, comprising a placement table for placing the plastic product to be processed;

[0011] A first feeding mechanism, which is used to transport the plastic product to be processed to the placement table;

[0012] a second feeding mechanism for conveying a terminal carrier tape, wherein the terminal carrier tape comprises an elongated carrier tape body and terminals, wherein the carrier tape body is provided with a plurality of accommodating units along its length, wherein the terminals are movably arranged in the accommodating units, and wherein the extending direction of the terminals is perpendicular to the conveying direction of the terminal carrier tape;

[0013] The insert cutting mechanism includes a clamping assembly, a pushing drive component, a cutting assembly, and a cutting drive component. The clamping assembly and the placement table are respectively located on both sides of the terminal carrier conveying direction. The clamping assembly is used to clamp the terminal conveyed by the second feeding mechanism. The pushing drive component is connected to the clamping assembly to drive the clamping assembly to push the terminal into the opening of the plastic product. The moving direction of the clamping assembly is perpendicular to the conveying direction of the terminal carrier; the cutting assembly is located above the terminal carrier, and the cutting assembly includes a cutter and a cutting drive component. The cutting drive component is connected to the cutter to drive the cutter to move toward or away from the terminal carrier. The cutter is used to cut off the carrier body accommodating the terminal. The moving direction of the cutter is perpendicular to the conveying direction of the terminal carrier and the moving direction of the clamping assembly.

[0014] The detection mechanism is used to detect the plastic product after the terminal is inserted.

[0015] Preferably, the pin insertion machine also includes a support mechanism, which includes a support table. The support table is located below the cutting assembly and below the terminal carrier. The insertion and cutting mechanism has a punching state and a pushing state. When in the punching state, the clamping assembly clamps the terminal, and the carrier body corresponding to the terminal is supported on the support table, and the cutter cuts the carrier body; when in the pushing state, the support table and the cutter are both away from the terminal carrier, and the pushing drive component pushes the terminal into the opening of the plastic product located on the placement table.

[0016] Preferably, the clamping assembly includes a base and a clamping member, one end of the clamping member is rotatably set on the base, the other end of the clamping member is opposite to the placement table, and the other end of the clamping member is provided with an upwardly recessed accommodating groove, and a space for clamping one end of the terminal is formed between the accommodating groove and the base. When one end of the clamping member is rotated until the other end of the clamping member abuts against the upper surface of the base, one end of the terminal can be clamped in the space between the accommodating groove and the base; when one end of the clamping member is rotated until the other end of the clamping member is away from the upper surface of the base, the terminal can be detached from the space.

[0017] Preferably, the clamping assembly further comprises a clamping drive component, and the clamping drive component is connected to the clamping member for driving the rotation of the clamping member.

[0018] Preferably, the support mechanism further includes a support driving component, and the support driving component is connected to the support platform for driving the support platform to move toward or away from the terminal carrier.

[0019] Preferably, the first feeding mechanism includes a conveying component and a loading component, the conveying component is used to convey the plastic product to the loading component, the conveying component has a discharge end, the loading component includes a first fixed table, a second fixed table, a circular rotating table, and a rotating drive component, the first fixed table and the second fixed table are relatively arranged, the rotating table is rotatably arranged between the first fixed table and the second fixed table, the rotating table is provided with a plurality of slots recessed toward the center of the rotating table, and the first fixed table and the second fixed table are both provided with a groove recessed toward the center thereof; the rotating drive component is connected to the rotating table to drive the rotating table to rotate around its own axis;

[0020] The first feeding mechanism has a feeding state and a discharging state. When in the feeding state, the slot opening on the rotating table is connected to the discharging end of the conveying component, and the slot only accommodates one product; when in the discharging state, the slot opening on the rotating table is connected to the groove openings on the first fixed table and the second fixed table.

[0021] Preferably, the pin insertion machine also includes a clamping component, a first sensor, a second sensor, and a controller. The clamping component is located above the loading component, and is used to grab the product in the slot of the turntable in the discharging state and transport the product out; the first sensor is used to detect the product entering the slot of the turntable, and the controller is connected to the first sensor and the rotating drive component. The controller controls the action of the rotating drive component according to the detection result of the first sensor; the second sensor is arranged above the loading component to detect the product in the slot of the turntable when it is in the discharging state, and the controller controls the action of the clamping component according to the detection result of the second sensor.

[0022] Preferably, each of the accommodating units includes a first baffle and a second baffle, and the first baffle and the second baffle both protrude from the upper surface of the elongated carrier body. The first baffle and the second baffle are respectively arranged on both sides of the length direction of the carrier body. The first baffle and the second baffle are both provided with open grooves, and the terminals can be movably accommodated in the open grooves of the first baffle and the second baffle. When the terminals are accommodated in the open grooves, the extension direction of the terminals is perpendicular to the length direction of the carrier body or forms an acute angle.

[0023] Preferably, the second feeding mechanism includes a winder and a conveying channel, the terminal carrier tape is wound on the winder, and the conveying channel is used to convey the terminal carrier tape to the inserting and cutting mechanism.

[0024] Preferably, the detection mechanism includes a camera and a laser position sensor. The camera is used to detect the position of the terminal and the mold cavity number, and the laser position sensor is used to detect the length of the terminal extending from the opening of the plastic product.

[0025] A method for producing plastic parts, using the pin insertion machine, comprises the following steps:

[0026] S1. The first feeding mechanism conveys the plastic product to the placement table, and the second feeding mechanism conveys the terminal to the insertion and cutting mechanism;

[0027] S2, the clamping assembly clamps the terminal, and the cutter cuts the carrier tape body;

[0028] S3. After the cutting is completed, the cutter moves away from the terminal carrier, and the push drive component pushes the terminal into the opening of the plastic product on the placement table, and then the clamping assembly returns to its original position;

[0029] S4. Inspect the plastic products with the terminals inserted, including the terminal position, the length of the terminal extending from the opening of the plastic product, and the depth of the terminal inserted into the opening of the plastic product, and screen out unqualified plastic products.

[0030] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0031] The pin insertion machine provided by the present invention can automatically feed terminal carriers and plastic products quickly, realize terminal carrier cutting, and quickly insert the terminals into the plastic products. The detection mechanism quickly detects and automatically identifies the quality of the terminals inserted into the plastic parts, thereby achieving high production efficiency and high product quality.

[0032] The terminal carrier tape includes a long strip-shaped carrier tape body and terminals. The carrier tape body is provided with a receiving unit for accommodating the terminals. The terminals can be collected and neatly arranged on the carrier tape body, which not only facilitates the transportation of the terminal carrier tape, but also allows the terminals to be processed in advance, eliminating the need to process the terminals when inserting them into the plastic product, greatly saving processing time.

[0033] By setting up the feeding component and the clamping component, the slot of the rotating table can accommodate one product, ensuring that one product is grabbed at a time, and there will be no grabbing errors or delays. In addition, the rotating table is provided with multiple slots. After the product in one slot is grabbed, the other slot can be quickly rotated upward for the clamping component to grab, greatly improving the feeding efficiency.

[0034] The clamping assembly clamps the terminal, the cutting mechanism cuts the terminal carrier tape carrying the terminal, and the push drive component pushes the terminal into the opening of the plastic product. This not only minimizes damage to the terminal, but also achieves high assembly accuracy. The terminal and the carrier tape body that holds the terminal can also be separated, resulting in high processing efficiency.

[0035] The plastic part production method provided by the present invention first clamps the terminal and then cuts the terminal carrier carrying the terminal, and finally pushes the terminal into the opening of the plastic product. Not only does it cause little damage to the terminal and has high assembly accuracy, but it can also separate the terminal and the carrier body that accommodates the terminal, thereby improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Attachment Figure 1 An overall diagram of the pin insertion machine provided by the present invention;

[0037] Attachment Figure 2 This is an overall diagram of the pin insertion machine without guide rails provided by the present invention;

[0038] Attachment Figure 3This is a schematic diagram of the overall structure of the terminal carrier provided by the present invention for placing terminals;

[0039] Attachment Figure 4 for Figure 3 Magnified image of;

[0040] Attachment Figure 5 This is a schematic diagram of the overall structure of the terminal carrier provided by the present invention without terminals placed thereon;

[0041] Attachment Figure 6 for Figure 5 The enlarged image in ;

[0042] Attachment Figure 7 This is a side view of the terminal carrier provided by the present invention without terminals placed thereon.

[0043] Attachment Figure 8 A schematic structural diagram of a first feeding mechanism provided by the present invention from a first perspective;

[0044] Attachment Figure 9 A schematic structural diagram of the first feeding mechanism provided by the present invention from a second perspective;

[0045] Attachment Figure 10 for Figure 9 The enlarged image in ;

[0046] Attachment Figure 11 A schematic structural diagram of a first viewing angle of a rotating platform of a first feeding mechanism provided by the present invention;

[0047] Attachment Figure 12 This is a structural schematic diagram of the second perspective of the rotating table of the first feeding mechanism provided by the present invention.

[0048] Attachment Figure 13 This is a structural schematic diagram of placing a terminal carrier tape on the pin insertion machine provided by the present invention;

[0049] Attachment Figure 14 for Figure 13 The enlarged image in ;

[0050] Attachment Figure 15 This is a structural schematic diagram of the pin insertion machine provided by the present invention without a terminal carrier tape placed thereon;

[0051] Attachment Figure 16 for Figure 15 The enlarged image in ;

[0052] Attachment Figure 17 for Figure 15 Further enlarged view in;

[0053] Attachment Figure 18 A three-dimensional diagram of the clamping member of the pin insertion machine provided by the present invention;

[0054] Attachment Figure 19 A three-dimensional diagram of the limiting component of the pin insertion machine provided by the present invention;

[0055] Attachment Figure 20 A three-dimensional diagram of the plastic part provided by the present invention;

[0056] Attachment Figure 21 This is a front view of the plastic part provided by the present invention.

[0057] In the above drawings: 1-carrier body, 11-first baffle, 12-second baffle, 13-opening groove, 14-opening hole, 2-terminal, 3-loading assembly, 31-first fixed platform, second fixed platform, 32-groove, 33-rotating platform, 34-slot, 35-limiting member, 36-rotational drive component, 37-guide limiting member, 38-spline, 39-first sensor, 40-protrusion, 4-clamping claw, 5-feeding channel, 61-clamping member, 62-limiting member, 63-pushing drive component, 64-base, 65-accommodating groove, 66-limiting surface, 71-cutter 71, 72-pushing surface, 8-support platform, 81-second groove, 9-placing platform, 10-winding disk, 15-conveying channel, 16-camera, 17-guide rail, 18-plastic product. DETAILED DESCRIPTION

[0058] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0059] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0060] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0061] See also Figures 1 to 19 The pin insertion machine shown includes a placement mechanism, a first feeding mechanism, a second feeding mechanism, an insertion and cutting mechanism, a detection mechanism, and a clamping assembly.

[0062] The placement mechanism includes a placement table 9 for placing the plastic product to be processed. The placement table 9 is used to place the plastic product, which has a through hole for inserting the terminal. The placement table 9 is provided with a clamping member that can be opened and closed. When in the clamped state, the clamping member clamps the plastic product, and when in the loose state, the clamping member releases the plastic product.

[0063] The first feeding mechanism is used to convey the plastic products to be processed to the placement table. The first feeding mechanism includes a loading component and a conveying component. The conveying component is used to convey the plastic products to the loading component. The conveying component includes a long conveying channel 5. The long conveying channel 5 has a discharge end. The conveying channel 5 has an open groove for accommodating plastic products. One end of the open groove is open to form the discharge end of the conveying component. The width of the open groove is only for a single plastic product to pass through to prevent congestion.

[0064] The loading assembly includes a first fixed table, a second fixed table, a circular rotating table 33, and a rotating drive component. The first fixed table and the second fixed table 31 are arranged opposite to each other, and the rotating table 33 is rotatably arranged between the first fixed table and the second fixed table 31. The rotating table 33 is provided with a plurality of slots recessed toward the center of the rotating table. Each slot 34 can accommodate a plastic product. The first fixed table and the second fixed table are both provided with a groove recessed toward the center. The groove 32 opens upward and the position of the groove 32 is fixed. The openings of the grooves 32 on the first fixed table and the second fixed table 31 are opposite and through.

[0065] The upper ends of the first and second fixing platforms 31 may be arc-shaped (semicircular), and the outer contour of the upper ends corresponds to the outer contour of the rotating platform 33 , and the lower ends thereof are square for easy fixation.

[0066] The first feeding mechanism has a feeding state and a discharging state. When in the feeding state, the slot 34 on the rotating table 33 is connected to the discharging end of the conveying assembly, and the plastic product at the discharging end of the conveying assembly enters the slot 34 on the rotating table 33, and the rotating table 33 continues to rotate to the discharging state. The slot 34 on the rotating table 33 is connected to the groove 32 on the first fixed table and the second fixed table 31. The clamping assembly is located above the feeding assembly, which is used to grab the plastic product in the slot 34 of the rotating table 33 in the discharging state and convey the plastic product out. A gap is maintained between two adjacent slots 34 on the rotating table 33. The clamping assembly can grab one plastic product in the slot 34 at a time and convey the plastic product out, ensuring that one plastic product is grabbed each time and no grabbing error or delay is caused. The rotating table is provided with multiple slots. After the plastic product on one slot is grabbed, the other slot can be quickly rotated upward for the clamping assembly to grab, greatly improving the feeding efficiency.

[0067] The rotating table 33 has a certain size. When in the discharge state, the slot 34 on the rotating table 33 is connected to the groove 32 on the first fixed table and the second fixed table 31. The slot 34 is higher than the feeding channel 5. After the height is raised, when the clamping component grabs the plastic product on the slot 34, it no longer needs to move up and down vertically, but only involves horizontal movement, which can reduce the number of processes.

[0068] The first fixed platform, the second fixed platform 31 and the rotating platform 33 are all provided with a center hole. The driving shaft of the rotation driving component 36 passes through the center holes of the first fixed platform, the rotating platform 33 and the second fixed platform to drive the rotating platform 33 to rotate.

[0069] One side of the rotating platform 33 is opposite to one of the first fixed platform and the second fixed platform 31, and the other side of the rotating platform 33 is opposite to the other of the first fixed platform and the second fixed platform 31. The other side of the rotating platform 33 has a protrusion 42 protruding from its surface. The protrusion 42 is cylindrical and coaxial with the rotating platform 33. The protrusion 42 extends out of the center hole of the other of the first fixed platform and the second fixed platform 31. The protruding end of the protrusion 42 is connected to the limit member 35. The limit member 35 is used to limit the rotating platform 33 from separating from the first fixed platform or the second fixed platform 31 during rotation. The limit member 35 is mounted on the end of the protrusion 42 extending out of the first fixed platform or the second fixed platform. The limit member 35 includes a circular ring with a center hole and a limit bar connected to the circular ring. The circular ring is mounted on the end of the protrusion 42 extending out of the other of the first fixed platform and the second fixed platform 31. When the rotating platform 33 rotates, the limit member 35 can rotate accordingly.

[0070] The rotary drive component is connected to the rotary table to drive the rotary table to rotate around its own axis. A spline 38 is provided between the drive shaft of the rotary drive component 36 and the center hole walls of the first fixed table, the rotary table 33 and the second fixed table to prevent slipping between the drive shaft and the rotary table 33 when the drive shaft rotates.

[0071] The cross section of the rotating platform 33 is circular, and a plurality of slots 34 are evenly distributed along the circumference of the rotating platform 33 , with four slots 34 being optimal. The angle between the center lines of two adjacent slots 34 is 90 degrees.

[0072] The first feeding mechanism also includes an arcuate guide stopper 37. The guide stopper 37 is disposed on one of the first fixed platform and the second fixed platform 31 and the outer periphery of the rotating platform 33 to limit the deviation of the rotating platform 33 during rotation. One end of the guide stopper 37 is connected to the first fixed platform, and the other end can partially cover the rotating platform 33. The arcuate guide stopper 37 is arc-shaped, and the rotating platform 33 is circular. This can prevent the rotating platform 33 from deviating during rotation and prevent the plastic product in the slot 34 on the rotating platform 33 from falling off the rotating platform 33.

[0073] The clamping assembly includes an openable and closable clamping jaw 4, a displacement driving component for driving the clamping jaw 4 to move, and a guide rail. The clamping jaw 4 includes two clamping heads. The two clamping heads are close to each other to clamp the plastic product, and the two clamping heads are far away from each other to loosen the plastic product. When the first feeding mechanism is in the discharging state, the slot 34 opening on the rotating table 33 is connected with the groove 32 opening on the first fixed table and the second fixed table 31. The displacement driving component drives the clamping jaw 4 to move along the slot 34 and the groove 32 to clamp the plastic product and transport the plastic product out.

[0074] The clamping jaw 4 can move along the guide rail, the extension direction of the guide rail is parallel to the conveying direction of the terminal carrier tape, and the guide rail is arranged on one side of the insertion and cutting mechanism.

[0075] The first feeding mechanism also includes a first sensor 39 and a controller. The first sensor 39 is arranged at the discharge end of the conveying component near the rotating table 33 to detect the plastic product entering the slot 34 of the rotating table 33. The controller is connected to the first sensor 39 and the rotating drive component 36. The controller controls the action of the rotating drive component 36 according to the detection result of the first sensor 39.

[0076] The first feeding mechanism further includes a second sensor disposed above the loading assembly for detecting the plastic product in the slot 34 of the rotary table 33 when in the discharging state. The controller controls the action of the clamping assembly according to the detection result of the second sensor.

[0077] When the slot 34 on the rotating table 33 opens into communication with the discharge end of the conveying assembly, the plastic product at the discharge end of the conveying assembly enters the slot 34 on the rotating table 33, and the controller controls the rotary drive component 36 to rotate so that the slot 34 opens upward into communication with the groove 32 on the first fixed table and the second fixed table 31. The second sensor detects that there is a plastic product on the slot 34 of the rotating table 33 where the groove 32 on the first fixed table and the second fixed table 31 opens into communication. The controller then controls the clamping assembly to clamp the plastic product and convey the plastic product out, thereby realizing the automated operation of feeding and loading.

[0078] By setting up a feeding component and a clamping component, the slot of the rotary table can accommodate a plastic product, ensuring that one plastic product is grabbed each time without causing grabbing errors or delays; and the rotary table is provided with multiple slots. After a plastic product is grabbed in one slot, the other slot can be quickly rotated upward for the clamping component to grab, greatly improving the feeding efficiency.

[0079] The second feeding mechanism is used to convey the terminal carrier tape. The second feeding mechanism includes a winder, a conveying channel 15, and a stripping disk. The winder includes a winding disk 10. The terminal carrier tape is wound on the winding disk 10. The conveying channel 15 is used to convey the terminal carrier tape to the insertion and cutting mechanism. The conveying channel is arranged to be inclined from top to bottom.

[0080] The terminal carrier includes a long strip carrier body 1 and terminals 2. The carrier body is provided with a plurality of accommodating units along its length direction. The terminals 2 are movably arranged in the accommodating units. The extending direction of the terminals is perpendicular to the conveying direction of the terminal carrier.

[0081] A protective tape (such as release paper) is attached to the surface of the carrier body 1 on the side away from the terminal. The stripping disc is used to strip the protective tape from the terminal carrier, that is, the protective tape is wound on the stripping roller, and the terminal carrier on the winding disc 10 is transported along the conveying channel 15 to the insertion and cutting mechanism. The stripping disc is located on one side of the winding disc 10. The terminal carrier and the protective tape are first wound on the winding disc. During processing, the protective tape is collected and wound on the stripping disc, and the terminal carrier is transported to the insertion and cutting mechanism.

[0082] Each accommodating unit includes a first baffle 11 and a second baffle 12. The first baffle 11 and the second baffle 12 both protrude from the upper surface of the elongated carrier body 1. The first baffle 11 and the second baffle 12 are respectively arranged on both sides of the length direction of the carrier body 1. A gap is maintained between the first baffle 11 and the second baffle 12. The surface of the first baffle 11 is parallel to the surface of the second baffle 12 and is perpendicular to the surface of the carrier body 1.

[0083] Both the first baffle 11 and the second baffle 12 are provided with an opening slot 13 (one or more opening slots may be provided), and the terminal 2 can be movably accommodated in the opening slot 13 of the first baffle 11 and the second baffle 12. That is, when the terminal 2 is placed in the opening slot 13, it can be stable and will not shift or detach from the opening slot 13, which is convenient for storage and transportation; when external force is applied to the terminal 2, the terminal 2 can be removed from the opening slot 13, which is convenient for inserting the terminal 2 into the plastic product.

[0084] When the terminal is accommodated in the opening slot 13, the extension direction of the terminal 2 is perpendicular to the length direction of the carrier body 1 or forms an acute angle. It is optimal for one opening slot 13 to accommodate only one terminal 2. When the terminal 2 is inserted into the plastic product, one terminal 2 is inserted into one hole of the plastic product.

[0085] When the first baffle 11 and the second baffle 12 are arranged opposite to each other, an open groove 13 is provided on the first baffle 11, and an open groove 13 is provided on the second baffle 12, and the open groove 13 on the first baffle 11 and the open groove 13 on the second baffle 12 are arranged opposite to each other, when the terminal is accommodated in the open groove 13, the extension direction of the terminal 2 is perpendicular to the length direction of the carrier body 1.

[0086] When the opening slot 13 on the first baffle 11 and the opening slot 13 on the second baffle 12 are not arranged opposite to each other, when the terminal is accommodated in the opening slot 13 , the extension direction of the terminal 2 forms an acute angle with the length direction of the carrier body 1 .

[0087] The opening slot 13 on the first baffle 11 is opposite to the opening slot 13 on the second baffle 12 . When the terminal 2 is placed in the opening slot 13 , the extending direction of the terminal 2 is perpendicular to the length direction of the carrier body 1 .

[0088] The distance between the first baffle 11 and the second baffle 12 is smaller than the length of the terminal 2, that is, when the terminal 2 is placed in the open groove 13, the relatively distant ends of the terminal 2 extend outward from the open grooves 13 of the first baffle 11 and the second baffle 12 respectively. Since a clamping member is required to clamp one end of the terminal 2 when inserting the terminal 2 into the plastic product, when the terminal 2 is inserted into the plastic product, it is convenient for the clamping member to clamp the terminal 2, which is easy to operate. In addition, the carrier body 1, the first baffle 11 and the second baffle 12 are small in size, saving processing costs.

[0089] The specific structure of the first baffle 11 and the second baffle 12 is as follows: they both include a first side wall, a second side wall, and a third side wall connected in sequence, the first side wall and the third side wall are arranged opposite to each other, the second side wall is connected to the first side wall, the third side wall and the carrier body 1, and an open groove 13 is formed between the first side wall, the second side wall and the third side wall. When the terminal 2 is placed in the open groove 13, a gap is maintained between the terminal 2 and the upper surface of the carrier body 1. The terminal 2 is a metal part and cannot be worn. When the terminal 2 is placed in the open groove 13, it will not collide with the upper surface of the carrier body 1, which can prevent the terminal 2 from being scratched during transportation or processing. The upper end surface of the second side wall is higher than the upper surface of the carrier body 1, which can better protect the terminal 2.

[0090] The distance between the upper end surface of the second side wall and the upper surface of the carrier body 1 is the height of the second side wall. A smaller height can save costs and protect the terminals 2.

[0091] The first side wall and the third side wall each have an end away from the second side wall. The ends extend away from each other and have a bent portion in the form of an arc or an inclined surface, which can increase the opening of the opening slot 13, making it easier to insert the terminal 2 into the opening and to remove the terminal 2 from the opening. The other ends of the first side wall and the third side wall are connected to the second side wall.

[0092] The distance between the ends of the first side wall and the third side wall away from the second side wall and the bottom wall of the opening groove 13 (i.e., the upper end surface of the second side wall) is greater than the thickness of the terminal 2. When the terminal 2 is accommodated in the opening groove 13, it is not easy to detach from the opening groove 13.

[0093] The longitudinal section of the terminal 2 is square, and the cross-section of the opening groove 13 is square. When the terminal 2 is placed in the opening groove 13 of the first baffle 11 and the second baffle 12, the shape of the opening groove 13 is adapted to the terminal 2, so the terminal 2 can be better accommodated. When no external force is received, the terminal 2 is not easy to fall out of the opening groove 13.

[0094] A gap can be maintained between two adjacent accommodating units. After a terminal 2 is inserted into the plastic product, the accommodating unit accommodating the terminal 2 needs to be cut off to facilitate the continued forward transmission of the terminal carrier tape behind. A gap is maintained between two adjacent accommodating units to facilitate the cutting knife to cut the gap adjacent to the accommodating unit.

[0095] Furthermore, an opening 14 is provided on the carrier body 1 between two adjacent opening grooves 13, that is, an opening 14 is provided in the gap between two adjacent accommodating units. When the accommodating unit accommodating the terminal 2 is to be cut off, the cutting knife can quickly cut the gap adjacent to the accommodating unit, and at the same time can reduce the overall weight, making it convenient for conveying, storage and transportation.

[0096] The opening 14 is in a circular, polygonal, flower-shaped, star-shaped, triangular or other achievable shapes, and the shape is not limited.

[0097] The long strip carrier body 1 has two relatively far ends, and the ends of both ends are respectively provided with extension parts extending along the length direction thereof. Two extension parts can be provided, and the two extension parts are arranged opposite to each other with a gap maintained between them. The extension parts can be convex points or columnar, and the cross-section of the opening groove 13 can be V-shaped or U-shaped.

[0098] The long, bendable carrier tape body 1 is made of metal, such as aluminum, and is easily wound and collected on a take-up reel 10 for easy collection and transport. Multiple terminals 2 can be evenly and neatly placed on the carrier tape body 1. The carrier tape body 1 can then be wound onto the take-up reel 10 for collection. At this point, the terminals 2 are uniformly collected on the carrier tape body 1, making it easier to transport the terminal tape. This allows for pre-processing of the terminals 2, eliminating the need to process them before inserting them into the plastic product, significantly saving processing time.

[0099] When assembling the long strip carrier body 1 and the terminal 2, it is only necessary to place the terminal 2 into the opening groove 13 of the first baffle 11 and the second baffle 12. The multiple terminals 2 are arranged in parallel and neatly arranged, which is convenient for collection and subsequent processing of inserting the terminal 2 into the plastic product.

[0100] The insertion and cutting mechanism is located downstream of the first feeding mechanism and includes a clamping assembly, a push drive component 63, a cutting assembly, and a cutting drive component. The clamping assembly and the placement table are located on either side of the terminal carrier conveying direction. The clamping assembly is used to clamp the terminals conveyed by the second feeding mechanism. The push drive component is connected to the clamping assembly to drive the clamping assembly to move the terminals toward the placement table 9 and push them into the opening of the plastic product, thereby assembling the terminals with the plastic product. The direction of movement of the clamping assembly is perpendicular to the conveying direction of the terminal carrier.

[0101] The pushing drive component 63 pushes the clamping assembly to move in a direction perpendicular to the terminal carrier conveying direction. The pushing drive component 63 can be a motor or a cylinder, and the driving shaft of the pushing drive component 63 is connected to the clamping assembly.

[0102] The clamping assembly includes a base 64 and a clamping member 61. One end of the clamping member 61 is rotatably set on the base 64 (a through hole is set at one end of the clamping member 61, a rotating shaft is set in the through hole, and both ends of the rotating shaft are connected to the base 64). The other end of the clamping member 61 is opposite to the placement table 9, and the other end of the clamping member 61 is provided with an upwardly recessed accommodating groove 65, and a space for clamping one end of the terminal is formed between the accommodating groove 65 and the base 64.

[0103] When one end of the clamping member 61 is rotated until the other end of the clamping member 61 is against the upper surface of the base 64, one end of the terminal can be clamped in the space formed between the accommodating groove 65 and the base 64; when one end of the clamping member 61 is rotated until the other end of the clamping member 61 is away from the upper surface of the base 64, the terminal can be disengaged from the space. The terminal is clamped by rotation, which causes less damage to the terminal, and for terminals of different heights, only the clamping member 61 needs to be replaced.

[0104] Compared with opening an opening on a pushing component, the pushing component moves linearly toward the terminal so that one end of the terminal enters the opening. This method is easy to damage the terminal because the pushing component will cause the terminal to be displaced when moving toward the terminal and the component needs to press the terminal tightly to prevent it from moving.

[0105] A plurality of receiving grooves 65 can be provided on a clamping member 61 for clamping a plurality of terminals. A plurality of clamping members 61 can be provided for clamping a plurality of terminals or processing a plurality of plastic products at the same time.

[0106] The clamping assembly also includes a clamping drive component, which is connected to the clamping member 61 for driving the rotation of the clamping member 61. An opening is provided on the clamping member 61 at a position between the two ends, and the driving shaft of the clamping drive component extends into the opening and is connected to the clamping member 61. The driving direction of the clamping drive component is a vertical direction, which is perpendicular to the conveying direction of the terminal carrier. Since one end of the clamping member 61 is rotatably provided on the base 64, when the driving shaft of the clamping drive component moves upward, the other end of the clamping member 61 rotates in a direction away from the base 64. When the driving shaft of the clamping drive component moves downward, the other end of the clamping member 61 rotates in a direction close to the base 64 until the other end of the clamping member 61 is against the upper surface of the base 64.

[0107] The clamping assembly also includes a limiting member 62, which is mounted on a base 64 and is used to limit the rotation angle of the clamping member 61. A curved limiting surface 66 is provided on one side of the limiting member 62. This curved limiting surface 66 is positioned opposite the clamping member 61 and maintains a distance therebetween. When the other end of the clamping member 61 rotates away from the base 64, it abuts against the curved limiting surface 66, preventing further rotation.

[0108] The cutting assembly is located above the terminal carrier. The cutting assembly includes a cutter and a cutting drive component. The cutting drive component is connected to the cutter to drive the cutter to move toward or away from the terminal carrier. The cutter is used to cut the carrier body that accommodates the terminal (cut the carrier body located between two adjacent accommodating units). The moving direction of the cutter is perpendicular to the conveying direction of the terminal carrier and the moving direction of the clamping assembly.

[0109] The support mechanism includes a support platform 8 and a support driving component. The support platform 8 is located below the cutting assembly and below the terminal carrier. The support driving component is connected to the support platform 8 and is used to drive the support platform 8 to move toward or away from the terminal carrier.

[0110] The insertion and cutting mechanism has a punching state and a pushing state. When in the punching state, the clamping assembly clamps the terminal, the carrier body corresponding to the terminal is supported on the support table 8, and the cutter 71 cuts the carrier body; when in the pushing state, the support table 8 and the cutter 71 are both away from the terminal carrier, and the pushing drive component pushes the clamping assembly to move and then pushes the terminal into the opening of the plastic product located on the placement table 9.

[0111] The support platform 8 is provided with a first groove for accommodating the carrier body. The extending direction of the first groove is consistent with the conveying direction of the terminal carrier. The first groove also plays a guiding role to prevent the carrier body from deviating during conveyance.

[0112] The support platform 8 is further provided with a second slot 81 extending perpendicularly to the terminal carrier tape conveying direction. The first slot and the second slot 81 are interconnected, and the second slot 81 is used to allow the cutter 71 to pass through. The support platform 8 includes a first side plate and a second side plate disposed opposite each other, and a bottom plate connecting the first and second side plates. A first slot is formed between the first side plate, the bottom plate, and the second side plate. The first and second side plates each have a downwardly recessed straight U-shaped slot. The straight U-shaped slots on the first and second side plates are disposed opposite each other to form the second slot 81.

[0113] The carrier body is accommodated in the first groove. When the carrier body is cut, the cutter 71 is opposite to the second groove 81. The terminals are located on the upper surfaces of the first side plate and the second side plate. A gap is maintained between the carrier body and the bottom of the first groove (i.e., the upper surface of the bottom plate). When the cutter 71 cuts the carrier body downward, it can enter the second groove 81 to better cut off this part of the carrier body.

[0114] The support mechanism also includes a guide rail, in which the support platform 8 is arranged and can move along the guide rail. The extension direction of the guide rail is consistent with the conveying direction of the terminal carrier. The guide rail plays a guiding and supporting role, facilitating the support platform 8 to move toward or away from the terminal carrier.

[0115] The cutting assembly also includes a main body, a cutter 71 is provided on the main body, and the main body has a push surface 72, the push surface 72 is used to abut against the terminal carrier on the support platform 8 in the punching state, the extension direction of the push surface 72 is consistent with the conveying direction of the terminal carrier, the extension direction of the cutter 71 is perpendicular to the conveying direction of the terminal carrier, and the extension direction of the push surface 72 is perpendicular to the extension direction of the cutter 71. When the cutter 71 cuts part of the terminal carrier, the cutter 71 and the push surface 72 both move downward, and the push surface 72 abuts against the carrier body to apply a downward push force to the carrier body, loosening the carrier. When the push drive component pushes the terminal into the opening of the plastic product on the placement table 9, the support platform 8 returns to its position. Without the support of the support platform 8, the carrier can be better separated from the terminal and can fall, and the remaining terminal carrier continues to be conveyed forward.

[0116] The steps for inserting a terminal into a plastic product and cutting the carrier tape using the insertion and cutting mechanism of the present application are as follows: the clamping assembly clamps the terminal, the carrier tape corresponding to the terminal is supported on the support table 8, and the cutter 71 then cuts the carrier tape. After cutting, the support table 8 and cutter 71 are both moved away from the terminal carrier tape, and the push drive component pushes the terminal into the opening of the plastic product located on the placement table 9, at which point the carrier tape containing the terminal falls. The clamping assembly returns to its original position. After the clamping assembly returns to its original position, the carrier tape is transported back to the support table 8, and the above steps are repeated.

[0117] The pin insertion machine also includes a collecting cylinder, which is located below the support platform 8. The collecting cylinder is used to receive the carrier body cut by the cutter 71. When part of the carrier body is cut off, the support platform 8 returns to its position away from the terminal carrier. At this time, the cut part of the carrier body falls into the collecting cylinder under the action of gravity because it is not supported by the support platform 8.

[0118] A guide platform is provided in the direction of conveying the terminal carrier tape. The guide platform is arranged opposite to the support platform 8 . A guide groove for conveying the terminal carrier tape is provided on the guide platform. The guide groove is connected to the first groove of the support platform 8 .

[0119] The detection mechanism is used to detect the plastic product after the terminal is inserted. The clamping component moves the plastic part after the pin is inserted to the detection station. The detection station is provided with a detection mechanism, which includes a camera 16 and a laser position sensor. The camera is used to detect the position, cavity number, pressing depth and chamfer of the terminal. The position refers to: how many openings in the plastic product need to insert the terminal, different openings need to insert terminals of different lengths and specifications, and the camera can detect whether the opening is inserted with the required terminal. The cavity number refers to the cavity number on the surface of the plastic product, such as the marked number, etc. The pressing depth refers to the overall length of the terminal (such as Figure 21 h2) The terminal has been checked to see if it is damaged and the length is insufficient.

[0120] Laser position sensors are used to detect the length of the terminal extending from the opening of the plastic product (such as Figure 21 h1) Flatness of one surface of a plastic product.

[0121] The pin insertion machine also includes a qualified area and an unqualified area. The clamping component grabs the plastic parts that have passed the inspection to the qualified area, and the clamping component grabs the plastic parts that have failed the inspection to the unqualified area.

[0122] A method for producing plastic parts, using a pin insertion machine, comprises the following steps:

[0123] S1. The first feeding mechanism conveys the plastic product to the placement table, and the second feeding mechanism conveys the terminal to the insertion and cutting mechanism;

[0124] S2, the clamping assembly clamps the terminal, and the cutter cuts the carrier body, wherein the carrier body corresponding to the terminal is supported on the support table, and the cutter cuts the carrier body;

[0125] S3. After the cutting is completed, the cutter and the support table are away from the terminal carrier, and the push drive component pushes the terminal into the opening of the plastic product on the placement table, and then the clamping assembly returns to its position;

[0126] S4. Test the plastic products with the terminals inserted, including the terminal position, the length of the terminal extending from the opening of the plastic product, the depth of the terminal inserted into the opening of the plastic product, and the terminal chamfer, and screen out unqualified plastic products.

[0127] By first clamping the terminal, then cutting the carrier body that carries the terminal, and finally pushing the terminal into the opening of the plastic product, not only is the damage to the terminal small, the assembly accuracy is high, and the terminal and the carrier body that accommodates the terminal can be separated and the carrier body can be stored. New terminals and carrier bodies can continue to be transported, and the processing efficiency is high.

[0128] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made in accordance with the spirit of the present invention are intended to be covered by the scope of protection of the present invention.

Claims

1. A pin insertion machine, characterized in that, include: A placement mechanism, comprising a placement table for placing the plastic product to be processed; A first feeding mechanism, which is used to transport the plastic product to be processed to the placement table; The second feeding mechanism is used to convey the terminal carrier, and the terminal carrier includes a long strip carrier body and terminals. The carrier body is provided with a plurality of accommodating units along its length direction. The terminals are movably arranged in the accommodating units, and the extending direction of the terminals is perpendicular to the conveying direction of the terminal carrier; the insert cutting mechanism includes a clamping assembly, a pushing drive component, a cutting assembly, and a cutting drive component. The clamping assembly and the placement table are respectively located on both sides of the conveying direction of the terminal carrier. The clamping assembly is used to clamp the terminals conveyed by the second feeding mechanism, and the pushing drive component is connected to the clamping assembly for The clamping assembly is driven to push the terminal into the opening of the plastic product, and the movement direction of the clamping assembly is perpendicular to the conveying direction of the terminal carrier. The cutting assembly is located above the terminal carrier, and the cutting assembly includes a cutter and a cutting drive component. The cutting drive component is connected to the cutter and is used to drive the cutter to move toward or away from the terminal carrier. The cutter is used to cut the carrier body accommodating the terminal. The movement direction of the cutter is perpendicular to the conveying direction of the terminal carrier and the movement direction of the clamping assembly. A detection mechanism is used to detect the plastic product after the terminal is inserted; The pin insertion machine further includes a support mechanism, which includes a support platform. The support platform is located below the cutting assembly and below the terminal carrier. The insertion and cutting mechanism has a punching state and a pushing state. When in the punching state, the clamping assembly clamps the terminal, and the carrier body corresponding to the terminal is supported on the support platform, and the cutter cuts the carrier body; when in the pushing state, the support platform and the cutter are both away from the terminal carrier, and the pushing drive component pushes the terminal into the opening of the plastic product located on the placement table. The clamping assembly includes a base and a clamping member, one end of the clamping member is rotatably set on the base, the other end of the clamping member is opposite to the placement table, and the other end of the clamping member is provided with an upwardly recessed accommodating groove, and a space for clamping one end of the terminal is formed between the accommodating groove and the base. When one end of the clamping member is rotated until the other end of the clamping member abuts against the upper surface of the base, one end of the terminal can be clamped in the space between the accommodating groove and the base; when one end of the clamping member is rotated until the other end of the clamping member is away from the upper surface of the base, the terminal can be detached from the space.

2. The pin insertion machine according to claim 1, characterized in that The clamping assembly further comprises a clamping drive component, which is connected to the clamping member and is used to drive the rotation of the clamping member.

3. The pin insertion machine according to claim 1, characterized in that The support mechanism further includes a support driving component, which is connected to the support platform and is used to drive the support platform to move toward or away from the terminal carrier.

4. The pin insertion machine according to claim 1, characterized in that The first feeding mechanism includes a conveying component and a loading component, the conveying component is used to convey the plastic product to the loading component, the conveying component has a discharge end, the loading component includes a first fixed table, a second fixed table, a circular rotating table, and a rotating drive component, the first fixed table and the second fixed table are relatively arranged, the rotating table is rotatably arranged between the first fixed table and the second fixed table, the rotating table is provided with a plurality of slots recessed toward the center of the rotating table, and the first fixed table and the second fixed table are both provided with a groove recessed toward the center thereof; the rotating drive component is connected to the rotating table to drive the rotating table to rotate around its own axis; The first feeding mechanism has a feeding state and a discharging state. When in the feeding state, the slot opening on the rotating table is connected to the discharging end of the conveying component, and the slot only accommodates one product; when in the discharging state, the slot opening on the rotating table is connected to the groove openings on the first fixed table and the second fixed table.

5. The pin insertion machine according to claim 4, characterized in that The pin insertion machine also includes a clamping assembly, a first sensor, a second sensor, and a controller. The clamping assembly is located above the loading assembly, and is used to grab the product in the slot of the turntable in the discharging state and transport the product out; the first sensor is used to detect the product entering the slot of the turntable, and the controller is connected to the first sensor and the rotating drive component. The controller controls the action of the rotating drive component according to the detection result of the first sensor; the second sensor is arranged above the loading assembly to detect the product in the slot of the turntable when it is in the discharging state, and the controller controls the action of the clamping assembly according to the detection result of the second sensor.

6. The pin insertion machine according to claim 1, characterized in that Each of the accommodating units includes a first baffle and a second baffle, and the first baffle and the second baffle both protrude from the upper surface of the elongated carrier body. The first baffle and the second baffle are respectively arranged on both sides of the length direction of the carrier body. Open grooves are provided on the first baffle and the second baffle, and the terminals can be movably accommodated in the open grooves of the first baffle and the second baffle. When the terminals are accommodated in the open grooves, the extension direction of the terminals is perpendicular to the length direction of the carrier body or forms an acute angle.

7. The pin insertion machine according to claim 1, characterized in that The second feeding mechanism includes a winder and a conveying channel. The terminal carrier tape is wound on the winder. The conveying channel is used to convey the terminal carrier tape to the inserting and cutting mechanism.

8. A method for producing a plastic part, characterized in that: The method adopts the pin insertion machine according to any one of claims 1 to 7, comprising the following steps: S1. The first feeding mechanism conveys the plastic product to the placement table, and the second feeding mechanism conveys the terminal to the insertion and cutting mechanism; S2, the clamping assembly clamps the terminal, and the cutter cuts the carrier tape body; S3. After the cutting is completed, the cutter moves away from the terminal carrier, and the push drive component pushes the terminal into the opening of the plastic product on the placement table, and then the clamping assembly returns to its original position; S4. Inspect the plastic products with the terminals inserted, including the terminal position, the length of the terminal extending from the opening of the plastic product, and the depth of the terminal inserted into the opening of the plastic product, and screen out unqualified plastic products.

Images