CN111993339A - Pin crimping device - Google Patents

Abstract

The invention relates to a pin crimping device, comprising: a positioning mechanism, the positioning mechanism includes a pressure plate, the pressure plate is provided with a through hole; a floating crimping mechanism, the floating crimping mechanism is arranged on the pressure plate, the The floating crimping mechanism includes a floating member configured to float relative to the pressing plate in a direction perpendicular to the pressing plate, the floating member having a pin hole corresponding to the position of the through hole; pressing The mechanism includes a grabbing unit that can move in a direction perpendicular to the pressing plate. When in use, the pin is first placed in the pin hole of the floating part and then the pin is pressed down. Since the pin hole and the crimping hole on the workpiece are in the aligned state, it can prevent the crimping hole and the pin in the one-time crimping equipment from being unable to be completely positioned. The problem of accuracy; the pin hole is provided on the floating piece, when the pin is continuously pressed, the floating piece also moves downward, and the protruding height of the floating piece relative to the workpiece is reduced, so the pin can be pressed into the workpiece more.

Description

Pin crimping device

technical field

The invention relates to the field of pin crimping, in particular to a pin crimping device.

Background technique

In the electronics industry, pins are usually used to connect two components to be crimped together, and the assembly and crimping of pins is an important process.

Some existing pin crimping mechanisms adopt a manual crimping method, which has poor crimping consistency, low work efficiency, and cannot guarantee product quality. There are other pin crimping structures that use clamping jaws to cooperate with the handling mechanism for one-time crimping operation, but the crimping hole and the pin cannot be completely positioned accurately, resulting in poor crimping, causing damage to the product, and long-term crimping force. During the process, different degrees of damage to the crimping equipment are caused; if a vision camera is used for positioning and crimping, the cost will be too high. In other existing pin crimping structures, two crimping operations are used, in which guides are first fixed near the crimping area to guide the pressing structure, and then the pins are pressed into the product. The disadvantage of this method is that when the pin needs to be pressed into the product more and the product leaks out less, the thickness of the guide must be smaller than the leakage distance of the pin, but the guide cannot play a guiding role, and the pin is easily skewed after being put in, resulting in The product cannot be pressed.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a pin crimping device for the problem that the guide member cannot play a guiding role, and the pin is easily skewed after being inserted, resulting in the inability to press into the product.

A pin crimping device, comprising: a positioning mechanism, the positioning mechanism includes a pressing plate, the pressing plate is provided with a through hole; a floating crimping mechanism, the floating crimping mechanism is arranged on the pressing plate, the floating crimping The mechanism includes a floating member, the floating member is configured to float relative to the pressing plate in a direction perpendicular to the pressing plate, the floating member has a pin hole corresponding to the position of the through hole; the pressing mechanism includes A gripping unit that can move in a direction perpendicular to the platen.

When the above-mentioned pin crimping device is used, the pin is first placed in the pin hole of the floating part and then the pin is pressed down. Since the pin hole and the crimping hole on the workpiece are in the aligned state, the above method can avoid the pressure in the one-time crimping equipment. The problem that the contact hole and the pin cannot be completely positioned and accurate can effectively protect the product from damage, the cost is low, and the use is convenient and reliable. In addition, the pin hole is arranged on the floating member. Before the pin is pressed, the floating member has a long guiding distance for the pin, which can avoid the pin from being skewed. When the pin is continuously pressed, the floating member also moves downward, and the floating member is relatively Since the protruding height of the workpiece is reduced, the pin can be pressed into the workpiece more, that is, the requirement that the pin leaks out of the workpiece with a smaller distance can be satisfied. In addition, the use of a pressing mechanism and a floating crimping mechanism for automatic pressing can improve the consistency of the crimping, high work efficiency, and ensure product quality compared with manual operations that cannot guarantee consistency.

In one of the embodiments, the positioning mechanism further includes a lift driving unit for driving the platen to lift and lower.

In one embodiment, the floating crimping mechanism further includes a positioning plate fixed to the pressing plate, a channel is opened on the positioning plate, the floating member is disposed on the positioning plate, and the pin hole is connected to the positioning plate. corresponding to the channel position.

In one embodiment, the floating crimping mechanism further includes a guide structure and a reset member, wherein the guide structure is provided between the floating member and the positioning plate, and the reset member is provided on the floating member Between the positioning plate, the reset member is configured to provide a driving force for moving the floating member away from the positioning plate.

In one embodiment, the floating member includes an embedded portion with the pin hole, a limiting portion connected with the embedded portion, the embedded portion is inserted into the channel, the guide structure and the reset member All are arranged between the limiting portion and the positioning plate.

In one embodiment, the embedded portion includes a first connecting arm, a second connecting arm that are opposite and spaced apart, and a nail hole portion connecting one end of the first connecting arm and one end of the second connecting arm , the other end of the first connecting arm and/or the other end of the second connecting arm is provided with the limiting portion, and the pin hole is provided in the pin hole portion.

In one embodiment, a groove is formed on a side surface of the pin hole portion close to the limiting portion, and a bottom wall of the groove is provided with the pin hole.

In one embodiment, the pressing mechanism includes a three-dimensional moving platform, and the three-dimensional moving platform includes an X-axis module, a Y-axis module, and a Z-axis module, wherein the Y-axis module is arranged on the X-axis module The axis module can move along the X direction, the Z axis module is arranged on the Y axis module and can move along the Y direction, and the grab unit is arranged on the Z axis module and can move along the Z direction , the Z direction is consistent with the direction perpendicular to the pressing plate.

In one embodiment, the pin crimping device further includes a loading and unloading mechanism located below the pressing plate.

In one embodiment, the loading and unloading mechanism includes a loading and unloading substrate, and two side limit plates and an upper limit block arranged on the loading and unloading substrate. The loading and unloading substrate and the side limiting plate and the upper limit block to form a workpiece limit cavity with an insertion opening.

In one embodiment, the pin crimping device further includes a pin clip mechanism, the pin clip mechanism is located on one side of the loading and unloading mechanism, the pin clip mechanism includes a pin storage plate, the pin clip mechanism The storage board is provided with a plurality of pin storage holes.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a pin crimping device according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a positioning mechanism in the pin crimping device shown in FIG. 1 .

FIG. 3 is a schematic structural diagram of a floating crimping mechanism in the pin crimping device shown in FIG. 1 .

FIG. 4 is a schematic diagram of a floating member in the floating crimping mechanism shown in FIG. 3 .

FIG. 5 is a schematic structural diagram of a pressing mechanism in the pin crimping device shown in FIG. 1 .

FIG. 6 is a schematic structural diagram of the gripping unit in the pin crimping device shown in FIG. 5 when the pin is clamped.

FIG. 7 is a schematic structural diagram of the pre-positioning of the workpiece by the loading and unloading mechanism in the pin crimping device shown in FIG. 1 .

FIG. 8 is a schematic structural diagram of a pin clip mechanism in the pin crimping device shown in FIG. 1 .

The corresponding numbers of the relevant components in the figure are as follows:

100, pin crimping device; 10, positioning mechanism; 110, pressure plate; 111, lower surface; 112, upper surface; 113, concave surface; 120, through hole; 130, lift drive unit; 131, cylinder; 1311, cylinder connection block ; 132, guide post; 133, synchronizing plate; 134, linear bearing; 20, floating crimping mechanism; 210, floating part; 211, embedded part; 2111, first connecting arm; 2112, second connecting arm; 2113, nail Hole; 2114, groove; 212, limiter; 220, pin hole; 230, positioning plate; 231, channel; 240, guide structure; 241, guide shaft; 242, oil-free bushing; 243, limit seat ;250, reset part; 30, pressing mechanism; 310, grasping unit; 311, finger cylinder; 312, V-shaped gripper; 320, X-axis module; 321, X-axis rail; 330, Y-axis module; 331, Y-axis mounting plate; 332, Y-axis rail; 333, adapter plate; 340, Z-axis module; 341, Z-axis mounting plate; 342, Z-axis sliding piece; 343, Z-axis connecting plate; 344, clip Claw fixing plate; 350, support frame; 40, bottom plate; 50, loading and unloading mechanism; 510, loading and unloading substrate; 520, side limit plate; 530, upper limit block; 60, pin clip mechanism; 610, pin storage board ; 611, pin storage hole; 620, support structure; 621, fixed flange; 622, support positioning column; 200, pin; 300, workpiece.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 , 6 and 7 , an embodiment of the present invention provides a pin crimping device 100 for pressing a pin 200 into a workpiece 300 to be assembled.

As shown in FIG. 1 , the pin crimping device 100 includes a positioning mechanism 10 , a floating crimping mechanism 20 disposed on the positioning mechanism 10 , and a pressing mechanism 30 , wherein the positioning mechanism 10 is used to fix the workpiece to be crimped below it. 300 , the pressing mechanism 30 can grab the pin 200 and place it into the floating crimping mechanism 20 , and press the pin 200 into the workpiece 300 to be assembled under the guidance of the floating crimping mechanism 20 . As shown in FIG. 1 , in order to facilitate transportation, installation and operation, the pin crimping device 100 further includes a base plate 40 on which the positioning mechanism 10 and the pressing mechanism 30 are installed.

As shown in FIG. 2 , the positioning mechanism 10 includes a pressing plate 110 , wherein the pressing plate 110 is used for pressing the workpiece 300 below it, and the pressing plate 110 is provided with a through hole 120 through which the pin 200 can pass. In specific settings, the positioning mechanism 10 further includes a lift drive unit 130 for driving the pressure plate 110 to rise and fall. The lift drive unit 130 can drive the pressure plate 110 to rise or fall. When the pressure plate 110 rises, the space below the pressure plate 110 increases, which is convenient for placing workpieces 300 ; After the workpiece 300 is placed in place, the lift drive unit 130 drives the pressing plate 110 to descend to fix the workpiece 300 . The type of the lift driving unit 130 is not limited, for example, it can be a cylinder system as shown in FIG. 2 or a motor system. Specifically, as shown in FIG. 2 , the lift driving unit 130 is an air cylinder system, including two air cylinders 131 , four guide posts 132 and two synchronizing plates 133 , wherein the two air cylinders 131 are respectively placed in the through holes 120 of the pressing plate 110 . The opposite sides are connected to the lower surface 111 of the pressing plate 110 through a cylinder connecting block 1311 , and the cylinder 131 is fixed to the bottom plate 40 . A guide post 132 is respectively provided on both sides of each cylinder 131 . One end of the guide post 132 is fixedly connected to the lower surface 111 of the pressing plate 110 , and the other end of the guide post 132 is fixed to a synchronizing plate 133 . The two synchronizing plates 133 are located on the side of the bottom plate 40 facing away from the pressing plate 110 for abutting with the bottom plate 40 to limit the pressing plate 110 when the pressing plate 110 moves upward. By arranging the linear bearing 134 to cooperate with the guide post 132 , the pressing plate 110 can be precisely positioned and guided. Two guide posts 132 are provided on both sides of the pressing plate 110 for sliding engagement with the bottom plate 40 . Since the two guide posts 132 are connected by a synchronizing plate 133 , the two guide posts 132 slide up and down synchronously. The lift driving unit 130 uses two air cylinders 131 to simultaneously drive the pressing plate 110 to lift and lower from both sides, so that the pressing plate 110 runs smoothly and can more reliably press the workpiece 300 . In addition, a loading and unloading mechanism 50 fixed on the bottom plate 40 is further disposed below the pressing plate 110 , and the loading and unloading mechanism 50 is used for receiving the workpiece 300 and pre-positioning the workpiece 300 . When the pin crimping device 100 is in use, the workpiece 300 can be put into the loading and unloading mechanism 50 first for pre-positioning.

The floating crimping mechanism 20 is provided on the pressing plate 110 . With reference to FIGS. 2 , 3 and 4 , the floating crimping mechanism 20 includes a floating member 210 , and the floating member 210 is configured to be relative to the pressing plate 110 in a direction perpendicular to the pressing plate 110 . Floating upward, the floating member 210 has pin holes 220 corresponding to the positions of the through holes 120 . After the pin 200 is put into the pin hole 220 , when the pressing mechanism 30 presses the pin 200 from above, the pin 200 drives the floating member 210 to move together, so that the floating member 210 continuously guides the pin 200 . In the embodiment of the present invention, the direction perpendicular to the pressing plate 110 refers to the direction away from or close to the upper surface 112 of the pressing plate 110 .

In specific setting, referring to FIG. 1 and FIG. 2 , the floating crimping mechanism 20 may include a plurality of floating members 210 at the same time, corresponding to a plurality of crimping holes (not shown) on the workpiece 300 one-to-one. A rectangular through hole 120 is provided on the pressing plate 110 , and the size of the through hole 120 is configured to allow the pins 200 on all the floating members 210 to pass through. When the number of the floating members 210 is multiple, it may also be a plurality of through holes 120 with smaller sizes and positions and numbers corresponding to the floating members 210 on the pressing plate 110 .

The pressing mechanism 30 includes a grabbing unit 310 that can move in a direction perpendicular to the pressing plate 110 . The grabbing unit 310 is configured to be movable in a direction perpendicular to the pressing plate 110 so as to press the pin 200 . In specific setting, the pressing mechanism 30 includes a three-dimensional moving platform, and the three-dimensional moving platform includes an X-axis module 320, a Y-axis module 330, and a Z-axis module 340, wherein the Y-axis module 330 is disposed on the X-axis module 320 and can be Move along the X direction, the Z axis module 340 is arranged on the Y axis module 330 and can move along the Y direction, the grab unit 310 is arranged on the Z axis module 340 and can move along the Z direction, and the Z direction is perpendicular to the pressure plate 110. the same direction. Through the above-mentioned means, the grabbing unit 310 can move in three directions of X, Y, and Z, and can easily grab the pin 200, and then place the pin 200 into any target pin hole 220.

The specific structure of the three-dimensional moving platform is not limited, as long as the grabbing unit 310 can be moved in the X, Y, and Z directions. As shown in FIG. 5 , in one embodiment, the three-dimensional mobile platform further includes a support frame 350 , wherein the X-axis module 320 is disposed on the top of the support frame 350 , and the X-axis module 320 includes a pair of parallel X-axis rails 321 . The Y-axis module 330 includes a Y-axis mounting plate 331 and a Y-axis rail 332 fixed on the Y-axis mounting plate 331 . The Z-axis module 340 includes a Z-axis mounting plate 341 slidably connected to the Y-axis rail 332 , a Z-axis sliding member 342 disposed on the Z-axis mounting plate 341 , a Z-axis connecting plate 343 connected to the Z-axis sliding member 342 , and a Z-axis connecting plate 343 connected to the Z-axis sliding member 342 . The clamping jaw fixing plate 344 is connected to the shaft connecting plate 343 , and the clamping jaw fixing plate 344 is connected with the grabbing unit 310 .

The grabbing unit 310 is used for grabbing the pin 200 . As shown in FIG. 6 , in one embodiment, the grasping unit 310 includes a finger cylinder 311 and a V-shaped gripper 312 driven by the finger cylinder 311 , wherein the finger cylinder 311 is connected to the gripper of the Z-axis module 340 in the three-dimensional mobile platform Fixed plate 344 . The finger cylinder 311 can drive the V-shaped jaws 312 to close or separate, so as to clamp the pin 200 or release the pin 200 . It can be understood that the type of the grasping unit 310 is not limited to the above-mentioned finger cylinder 311 .

The working principle of the pin crimping device 100 is as follows: the workpiece 300 is placed under the pressing plate 110 , and the workpiece 300 is pressed by the pressing plate 110 . Then, the grabbing unit 310 grabs the pin 200 and places it in the pin hole 220 and then rises. The grabbing unit 310 descends again to apply pressure to the pin 200. During the continuous downward pressure, the floating member 210 and the pin 200 move together to be able to compress the pin 200. The pin 200 is continuously guided. After the pin 200 is pressed into the workpiece 300, the grasping unit 310 rises, and the floating member 210 is reset. By repeating the above-mentioned actions, a plurality of pins 200 can be pressed into the workpiece 300 .

When the above-mentioned pin crimping device 100 is used, the pin 200 is first placed in the pin hole 220 of the floating member 210 and then the pin 200 is pressed down. Since the pin hole 220 and the crimping hole on the workpiece 300 are in an aligned state, the above method can avoid The problem that the crimping hole and the pin 200 cannot be completely positioned accurately in the disposable crimping equipment effectively protects the product from damage, the cost is low, and the use is convenient and reliable. In addition, the pin hole 220 is provided on the floating member 210. Before the pin 200 is pressed, the floating member 210 has a longer guiding distance for the pin 200, which can prevent the pin 200 from skewing. When the pin 200 is continuously pressed, the floating member 210 Also moves downward, the protruding height of the floating member 210 relative to the workpiece 300 is reduced, so the pin 200 can be pressed into the workpiece 300 more, that is, it can meet the requirement that the pin 200 leaks out of the workpiece 300 with a smaller distance. In addition, the use of the pressing mechanism 30 and the floating crimping mechanism 20 for automatic pressing can improve the consistency of the crimping compared with the fact that the manual operation cannot guarantee the consistency, the work efficiency is high, and the product quality is guaranteed.

1 , 6 and 7 , in order to facilitate the setting of the floating crimping mechanism 20 , in some embodiments, the floating crimping mechanism 20 further includes a positioning plate 230 disposed on the pressing plate 110 , and a channel is opened on the positioning plate 230 231 , the floating member 210 is disposed on the positioning plate 230 and the pin hole 220 corresponds to the position of the channel 231 .

Specifically, the upper surface 112 of the pressing plate 110 forms a concave surface 113 around the through hole 120 . The positioning plate 230 is placed on the concave surface 113 , and is provided with a plurality of channels 231 , and each channel 231 is provided with a floating member 210 . The positioning plate 230 is placed on the concave surface 113, so that the superimposed thickness of the positioning plate 230 and the pressing plate 110 is small. When the floating member 210 moves downward, it can be closer to the workpiece 300, so that the pins 200 can be pressed into the workpiece 300 more, that is, it can be It meets the requirement that the pin 200 leaks out of the workpiece 300 with a small distance.

In the above pin crimping device 100 , the floating member 210 is assembled on the positioning plate 230 in advance to form the floating crimping mechanism 20 , and then the positioning plate 230 is connected to the pressing plate 110 . In the above manner, on the one hand, it is convenient to set the floating crimping mechanism 20 on the pressing plate 110, and it is convenient to replace the floating crimping mechanism 20; It has been determined that it is beneficial to ensure the accuracy of the alignment of the pin holes 220 with the crimp holes on the workpiece 300 .

Further, in order to position the positioning plate 230 on the pressing plate 110 more accurately, in some embodiments, one of the positioning plate 230 and the pressing plate 110 is provided with a positioning pin (not shown), and the other is provided with a positioning pin Mating bushings (not shown). When the positioning plate 230 is connected to the pressing plate 110 , the guide sleeve and the positioning pins cooperate with each other to achieve precise positioning of the positioning plate 230 , thereby ensuring the positional accuracy of the pin holes 220 . In specific setting, the positioning plate 230 is in the shape of a rectangular plate, a positioning pin can be respectively provided at the diagonal position of the lower surface 111 of the positioning plate 230 , and two guide sleeves are correspondingly arranged on the upper surface 112 of the pressing plate 110 .

In order to prevent the pin 200 from being skewed when the floating member 210 moves downward and to enable the floating member 210 to quickly reset upward, in combination with FIG. 3 and FIG. 4 , in some embodiments, the floating crimping mechanism 20 further includes a guide structure 240 and a reset member 250 , wherein the guide structure 240 is arranged between the floating member 210 and the positioning plate 230 , the reset member 250 is arranged between the floating member 210 and the positioning plate 230 , and the reset member 250 is configured to provide a driving force to keep the floating member 210 away from the positioning plate 230 , The pin hole 220 is provided in the floating member 210 .

In specific setting, the guide structure 240 is located between the upper surface of the positioning plate 230 and the floating member 210 . The guide structure 240 includes a guide shaft 241 , an oil-free bushing 242 and a limit seat 243 . The oil-free bushing 242 is fixed in the positioning plate 230 ; the guide shaft 241 is slidingly matched with the oil-free bushing 242 , one end of the guide shaft 241 is fixedly connected with the floating member 210 , and the other end of the guide shaft 241 is connected with the limit seat 243 The limit seat 243 is located on the side of the lower surface of the positioning plate 230, and can abut against the positioning plate 230; on the bushing 242. When the floating member 210 moves downward, the floating member 210 compresses the reset member 250, and the floating member 210 drives the guide shaft 241 and the limiting seat 243 to move downward together. When the floating member 210 is reset upward, the limiting seat 243 moves upward and then abuts against the positioning plate 230 , which can prevent the guide shaft 241 from flying away from the positioning plate 230 under the action of the reset member 250 . It can be understood that the restoring member 250 can also be other elements capable of providing restoring force, such as a rubber spring washer and a torsion spring, and its installation position is not limited to being sleeved on the guide shaft 241 .

In the above-mentioned pin crimping device 100 , the floating member 210 moves along the guide structure 240 during the pressing process, which can prevent the floating member 210 from skewing, thereby preventing the pin 200 from skewing, and ensuring that the pin 200 can be accurately pressed into the crimping hole on the workpiece 300 .

Further, in order to enable the pin 200 to be pressed into the workpiece 300 more, the requirement that the distance from the pin 200 to leak out of the workpiece 300 is smaller to the greatest extent. As shown in FIG. 4 , in some embodiments, the floating member 210 includes an embedded portion 211 having a pin hole 220 , a limiting portion 212 connected to the embedded portion 211 , the embedded portion 211 is inserted into the channel 231 , the guide structure 240 and the reset member 250 are both It is arranged between the limiting portion 212 and the positioning plate 230 . The embedded portion 211 is inserted into the channel 231 on the positioning plate 230 , the floating member 210 can be closer to the workpiece 300 when moving downward, and is completely unaffected by the superimposed thickness of the positioning plate 230 and the pressing plate 110 , so as to achieve a guiding effect and press the pin 200 . The depth into the workpiece 300 has little effect.

As shown in FIG. 4 , in a specific embodiment, the embedded portion 211 is substantially U-shaped, and includes a first connecting arm 2111 and a second connecting arm 2112 that are opposite and spaced apart, and one end connecting the first connecting arm 2111 to the first connecting arm 2111 The nail hole portion 2113 at one end of the two connecting arms 2112, and the pin hole 220 is provided in the nail hole portion 2113. Wherein, the other end of the first connecting arm 2111 and the other end of the second connecting arm 2112 are provided with the aforementioned limiting portion 212, so that the left and right sides of the embedded portion 211 are provided with guide structures 240. When the floating member 210 moves downwards more stable. In other embodiments, only one stopper 212 may be provided. The embedded portion 211 is not limited to a U shape, which is not limited by the embodiment of the present invention.

In the above-mentioned pin crimping device 100, the nail hole portion 2113 is disposed at the farthest ends of the first connecting arm 2111 and the second connecting arm 2112 away from the limiting portion 212, so the nail hole portion 2113 is located on the embedded portion 211 closest to the workpiece 300. Therefore, when the floating member 210 moves downward, the proximity of the nail hole 2113 to the workpiece 300 is better than that of the nail hole portion 2113 disposed at other positions of the embedded portion 211 , and has less influence on the depth of the pin 200 pressed into the workpiece 300 .

Further, a side surface of the nail hole portion 2113 close to the limiting portion 212 , that is, the upper surface, is provided with a groove 2114 , and a bottom wall of the groove 2114 is provided with a pin hole 220 . Specifically, the upper surface of the nail hole portion 2113 is provided with a circular groove 2114 , and the center of the bottom wall of the groove 2114 is provided with a pin hole 220 penetrating the nail hole portion 2113 . The contour shape of the groove 2114 is not limited to a circle, and may also be a square, a triangle, an irregular shape, or the like.

The pin hole 2113 is provided with a groove 2114, and the pin hole 220 is arranged in the groove 2114, so the thickness of the pin hole 2113 at the pin hole 220 can be reduced, so that the pin 200 can be closer to the workpiece when the floating member 210 moves downward 300, thereby facilitating the pressing of the pin 200 into the workpiece 300 to a deeper depth.

Further, in some embodiments, the area of the groove 2114 is smaller than the area of the upper surface 112 of the nail hole portion 2113 , that is, the thickness of the nail hole portion 2113 is only partially reduced, thereby ensuring the strength of the pin 200 portion.

In order to better place the workpiece 300 to be crimped in the crimping area below the pressing plate 110 , as shown in FIG. The loading and unloading mechanism 50 is used for receiving the workpiece 300 and pre-positioning the workpiece 300 . Using the loading and unloading mechanism 50, the operator can accurately place the workpiece 300 in the crimping area, can ensure the positional accuracy, and align the crimping holes on the workpiece 300 with the pin holes 220 on the floating crimping mechanism 20 one by one; and, Using the loading and unloading mechanism 50, even when a plurality of workpieces 300 are placed by different persons, they can have better positional consistency.

As shown in FIG. 8 , in a specific embodiment, the loading and unloading mechanism 50 includes a loading and unloading base plate 510 , and two side limit plates 520 and an upper limit block 530 arranged on the upper and lower base plates 40 , and the loading and unloading base plate 510 , The limiting plate 520 and the upper limiting block 530 enclose a workpiece limiting cavity with an insertion opening. The loading and unloading base plate 510 constitutes the bottom wall of the workpiece limit cavity, the two side limit plates 520 constitute the left and right side walls of the workpiece limit cavity, and the upper limit block 530 constitutes the front side of the workpiece limit cavity in front of the insertion direction of the workpiece 300 wall. When placing the workpiece 300 under the pressure plate 110, it is only necessary to push the workpiece 300 from the insertion port into the workpiece limiting cavity. The side limit plate 520 is limited, and the front end of the workpiece 300 is limited by the upper limit block 530, so that the workpiece 300 is pre-positioned. After that, after pressing the workpiece 300 with the pressing plate 110 , the pin 200 can be pressed into the workpiece 300 .

On the basis of the above embodiment, in order to realize continuous crimping operation and improve the degree of automation, as shown in FIG. side. The pin magazine mechanism 60 is used to store a plurality of pins 200 for the grabbing unit 310 to grab multiple times.

As shown in FIG. 8 , specifically, the pin magazine mechanism 60 includes a pin storage plate 610 and a support structure 620 supporting the pin storage plate 610 , and the pin storage plate 610 is provided with a plurality of pin storage holes 611 . The support structure 620 includes a fixed flange 621 and a support positioning column 622. The fixed flange 621 is used to be fixed to the bottom plate 40 of the pin crimping device 100 or other supporting foundations. The two ends of the support positioning column 622 are respectively connected to the fixed flange 621 and The pin storage board 610 is fixedly connected, and the upper surface of the pin storage board 610 is provided with a plurality of pin storage holes 611 arranged in an array.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. A pin crimping apparatus, comprising:

the positioning mechanism comprises a pressing plate, and the pressing plate is provided with a through hole;

the floating crimping mechanism is arranged on the pressing plate and comprises a floating piece, the floating piece is configured to float in a direction perpendicular to the pressing plate relative to the pressing plate, and the floating piece is provided with a pin hole corresponding to the through hole;

and the pressing mechanism comprises a grabbing unit capable of moving along the direction perpendicular to the pressing plate.

2. The pin crimping apparatus according to claim 1, wherein the positioning mechanism further includes a lift driving unit for driving the pressure plate to be lifted.

3. The pin crimping device according to claim 1 or 2, wherein the floating crimping mechanism further comprises a positioning plate fixed to the pressing plate, a channel is formed in the positioning plate, the floating member is arranged on the positioning plate, and the pin hole corresponds to the channel.

4. The pin crimping device of claim 3, wherein the floating crimping mechanism further comprises a guide structure, a reset member, wherein the guide structure is disposed between the float member and the positioning plate, wherein the reset member is configured to provide a driving force that moves the float member away from the positioning plate.

5. A pin crimping device according to claim 4, wherein the floating member includes an insertion portion having the pin hole, a stopper portion connected to the insertion portion, the insertion portion is inserted into the passage, and the guide structure and the reset member are both disposed between the stopper portion and the positioning plate.

6. A pin crimping device according to claim 5, wherein the insertion portion includes a first connecting arm, a second connecting arm, and a pin hole portion connecting one end of the first connecting arm and one end of the second connecting arm, the other end of the first connecting arm and/or the other end of the second connecting arm being provided with the stopper portion, the pin hole being provided in the pin hole portion.

7. The pin crimping device according to claim 1, wherein the pressing mechanism includes a three-dimensional moving platform including an X-axis module, a Y-axis module, and a Z-axis module, wherein the Y-axis module is provided to the X-axis module and is movable in an X direction, the Z-axis module is provided to the Y-axis module and is movable in a Y direction, and the grasping unit is provided to the Z-axis module and is movable in a Z direction, the Z direction being in accordance with the direction perpendicular to the pressing plate.

8. The pin crimping apparatus of claim 1, further comprising a loading and unloading mechanism located below the pressure plate.

9. The pin crimping device according to claim 8, wherein the loading and unloading mechanism comprises an loading and unloading base plate, and two side limiting plates and an upper limiting block which are arranged on the loading and unloading base plate, and the loading and unloading base plate, the side limiting plates and the upper limiting block enclose a workpiece limiting cavity with an insertion opening.

10. The pin crimping apparatus of claim 8, further comprising a pin cartridge-clamping mechanism located on one side of the loading and unloading mechanism, the pin cartridge-clamping mechanism comprising a pin storage plate, the pin storage plate being provided with a plurality of pin storage holes.

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