Pressing needle assembling mechanism

Abstract

The utility model relates to a pressing needle assembling mechanism which comprises a working table and a conveying belt, a pair of side protection plates extending in the length direction of the working table is symmetrically fixed above the working table, the conveying belt is arranged between the two side protection plates and extends in the length direction of the working table, and a plurality of placing seats are arranged on the side protection plates in the running direction of the side protection plates at intervals in an array mode. Each placing base extends in the width direction of the side protection plate, a plurality of placing grooves are formed in the placing bases in the length direction of the placing bases in an array mode, two vertical frames are symmetrically fixed to the workbench, suspension frames are fixed to the tops of the two vertical frames, and driving modules are arranged on the suspension frames. According to the utility model, a plurality of placing grooves are arranged on the placing seat, and a plurality of pressing needle molds are uniformly distributed below the pressing seat, so that pressing needle assembly of a plurality of chips can be completed under one pressing action, the number of pressing needles at a time is increased, and in addition, the whole pressing needle assembly process is continuous enough in combination with a conveying mode of circulating operation of the feeding and discharging robot and the conveying belt, so that the production efficiency is improved. And the pressing needle assembling efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to access control card processing technical field, concretely is a needle assembly mechanism. BACKGROUND

[0002] The needle assembly is an electronic manufacturing process, mainly used for fixing electronic components, such as chips, antennas, connectors, etc. to printed circuit boards. This process uses mechanical pressure to press the metal pins of the components into the gold-plated holes of the PCB, thereby achieving electrical connection and mechanical fixation.

[0003] The keychain type access control card is mainly composed of a chip and a plastic shell. During production, a needle assembly device is also needed to press the chip into the plastic shell to make the chip and the plastic shell firmly connected. The traditional needle assembly structure for the keychain type access control card only has one press-fitting station, and can only complete the needle assembly of one access control card at a time. The continuity of the needle assembly process is insufficient, and the assembly efficiency is limited. SUMMARY

[0004] The utility model aims at providing a high-efficiency needle assembly mechanism to effectively solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A needle assembly mechanism includes a workbench and a conveyor belt. A plurality of placement seats are arranged in an interval array along the running direction of the conveyor belt. A plurality of placement grooves are arranged in an array along the length direction of the placement seat. A rack is provided above the conveyor belt, and a drive module is provided on the rack. A lower pressing seat is provided below the drive module, and the drive module is used to drive the lower pressing seat to adjust the lifting. The extension direction of the lower pressing seat is consistent with the extension direction of the placement seat, and a plurality of needle pressing molds are arranged in an array along the length direction of the lower pressing seat.

[0007] In a possible implementation, a pair of side guards extending along the length direction of the workbench is symmetrically fixed above the workbench, and the conveyor belt is arranged between the two side guards and extends along the length direction of the workbench. Each placement seat extends along the width direction of the side guard.

[0008] In a possible implementation, the rack includes a pair of vertical supports symmetrically fixed on both sides of the conveyor belt. The lower end of the vertical support is fixedly connected with the workbench, and a suspension frame is fixed on the top of the two vertical supports. The drive module is fixed on the suspension frame.

[0009] In a possible implementation, the number of placement grooves on the same placement seat is at least five, and the number and spacing of the needle pressing molds correspond to the placement grooves.

[0010] In a possible implementation, the driving module comprises a fixing base, a first electric push cylinder and a connecting arm; the first electric push cylinder is fixed vertically on the suspension through the fixing base, and the telescopic rod of the first electric push cylinder extends through to below the suspension; the pressing seat is fixed on the bottom end of the connecting arm, and the top end of the connecting arm is fixedly connected with the end of the telescopic rod of the first electric push cylinder.

[0011] In a possible implementation, a second electric push cylinder is horizontally fixed on each of the two stands, and the two second electric push cylinders are arranged reversely; the end of the telescopic rod of each of the two second electric push cylinders is fixed with a sliding rod, each of the two side guards is provided with a through hole, and the two sliding rods are respectively and slidingly inserted into the corresponding through holes; each of the two sliding rods is fixed with a clamping block on the end close to each other, and the two clamping blocks are symmetrically distributed directly below the pressing seat.

[0012] In a possible implementation, the inner bottom wall of each of the placing grooves is provided with a guide hole extending vertically downward, a push rod is slidingly installed vertically in the guide hole, and the top of the push rod extends into the placing groove; a spring is vertically arranged in each of the guide holes, the top end of the spring is fixed with the bottom end of the push rod, and the bottom end of the spring is fixed with the inner bottom wall of the guide hole.

[0013] In a possible implementation, the upper surface of the pressing seat is symmetrically fixed with two vertically extending guide rods, and the suspension is provided with two vertically penetrating sliding holes; the two guide rods are respectively and slidingly inserted into the corresponding sliding holes.

[0014] Compared with the prior art, the utility model has the advantages as follows.

[0015] The utility model discloses a plurality of placing grooves are arranged on the placing seat, a plurality of pressing needle molds are uniformly distributed below the pressing seat, and the pressing needle assembly of a plurality of chips can be completed under the action of once pressing, the number of single pressing needle is improved, in addition, the conveying mode that the feeding and discharging robot and the conveying belt circulate runs makes the whole pressing needle assembly process enough continuous, and the pressing needle assembly efficiency is effectively improved.

[0016] When the placing seat with the plastic shell placed in the placing groove moves to the position directly below the pressing seat, the two second electric push cylinders are simultaneously elongated, the two clamping blocks are pushed to be close to each other under the connecting action of the two sliding rods, the placing seat can be clamped and fixed, the lifting capacity of the placing seat is improved, the pressing needle mold and the placing groove are prevented from being dislocated due to the excessive downward pressure that shifts the placing seat, the stability of the placing seat during pressing is guaranteed, and the pressing needle assembly quality is effectively improved.

[0017] The utility model discloses that when the pressing needle is assembled, the push rod is squeezed and interacts downward until the top is flush with the bottom wall of the placement groove. At this time, the spring is compressed and retracted. When the pressing needle is completed and the squeezing is cancelled, the spring elastic force can be used to push the push rod to move up and reset. Then the push rod extends into the placement groove and can push up the pressed plastic shell to facilitate material unloading and avoid the situation where the plastic shell is stuck in the placement groove and causes poor material unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the local structure above the workbench in the utility model;

[0020] Figure 3 This is a schematic cross-sectional view of the local structure of the utility model;

[0021] Figure 4 This is a cross-sectional schematic diagram of the placement seat in the present utility model;

[0022] Figure 5 for Figure 4 A magnified schematic diagram of the structure in the middle.

[0023] In the figure: 1. Workbench; 11. Stand; 12. Suspension; 2. Side guard; 3. Conveyor belt; 4. Placement seat; 41. Placement slot; 42. Guide hole; 43. Push rod; 44. Spring; 5. Lower pressure seat; 51. Press needle mold; 6. Drive module; 61. Fixed seat; 62. First electric push cylinder; 63. Connecting arm; 64. Guide rod; 641. Slide hole; 7. Second electric push cylinder; 71. Slide rod; 711. Through hole; 8. Clamp. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection", and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "communication" can be a direct connection or an indirect connection through an intermediate medium. Here, "fixed" means that the two are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present invention, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0026] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0027] See also Figures 1-5 The utility model provides a needle pressing assembly mechanism, including a workbench 1 and a conveyor belt 3. A pair of side guard plates 2 extending along the length direction of the workbench 1 are symmetrically fixed above the workbench 1. The conveyor belt 3 is arranged between the guard plates 2 on both sides and extends along the length direction of the workbench 1. A plurality of placement seats 4 are arranged in an array at intervals along the running direction of the conveyor belt 3. Each placement seat 4 extends along the width direction of the side guard plate 2. The conveyor belt 3 is operated to drive the placement seat 4 to perform a cyclic motion.

[0028] Specifically, the placement seats 4 are fixed on the conveyor belt 3, and the placement seats 4 are placed at intervals of 5-15 cm. The placement seats 4 are parallel to each other, and the two ends of the placement seats 4 are spaced 3-5 cm from the side guard plates 2 on both sides, and the spacing distances from the two ends to the side guard plates 2 are equal.

[0029] The placement seat 4 is provided with a plurality of placement grooves 41 arranged in an array along its length direction. The placement grooves 41 are used for positioning and placing the plastic shell of the access control card. Two upright frames 11 are symmetrically fixed on the workbench 1. A suspension 12 is fixed on the top of the two upright frames 11. A driving module 6 is arranged on the suspension 12. A lower pressure seat 5 is provided below the driving module 6. The driving module 6 is used to drive the lower pressure seat 5 to be raised and lowered. The extension direction of the lower pressure seat 5 is consistent with the extension direction of the placement seat 4. A plurality of pressing needle molds 51 are arranged in an array along its length direction below the lower pressure seat 5. There are at least five placement grooves 41 on the same placement seat 4, and the number and spacing of the pressing needle molds 51 correspond to the placement grooves 41.

[0030] When the placing seat 4 moves directly below the pressing seat 5, the pressing needle mold 51 below the pressing seat 5 is extended into the placing groove 41 by energizing the driving module 6 to move the pressing seat 5 downward, and continues to move downward, when the driving module 6 moves to the end of the stroke, the chip in the placing groove 41 and the lower shell are pressed into position, then the driving module 6 is reset upward, driving the pressing needle mold 51 to exit the reset.

[0031] In addition, the upstream side of the workbench 1 through the manual or machine hand completes the feeding action for feeding the plastic shell into each placing groove 41 and feeding the chip onto each plastic shell, and the downstream side of the workbench 1 is arranged with manual or machine hand to complete the unloading action for taking down and transferring the whole plastic shell and chip after the pressing needle assembly from the placing groove 41, the feeding and taking part are both adopted in the prior art, and will not be described in detail in this application.

[0032] The pressing needle assembly mechanism works, manually feeds the plastic shell into the placing groove 41 and feeds the chip onto the plastic shell, and transports the placing seat 4 and the fed shell and chip to the downstream as the conveying belt 3 runs, until it reaches directly below the pressing seat 5, then drives the pressing seat 5 to press down through the work of the driving module 6, and uses the pressing needle mold 51 to press the chip into the plastic shell to realize the pressing needle assembly, after the pressing is completed, the driving module 6 drives the pressing seat 5 to move upward to reset, then the conveying belt 3 continues to run, so that the placing seat 4 in the next position moves to the lower side of the pressing seat 5, and the pressing needle assembly continues, and the shell and chip after the pressing needle assembly move to the downstream side of the conveying belt 3, and are taken down and transferred by the unloading robot, so the above process is repeated to realize continuous pressing needle assembly processing.

[0033] By providing a plurality of placing grooves 41 on the placing seat 4 and a plurality of pressing needle molds 51 below the pressing seat 5, the pressing needle assembly of multiple chips can be completed in one pressing action, and the number of single pressing is increased, in addition, the conveying mode of the conveying belt 3 circulating running makes the whole pressing needle assembly process continuous, effectively improving the pressing needle assembly efficiency.

[0034] Please refer to Figures 1-3 The driving module 6 includes a fixed seat 61, a first electric push cylinder 62 and a connecting arm 63, the first electric push cylinder 62 is fixed vertically on the suspension 12 through the fixed seat 61, the telescopic rod of the first electric push cylinder 62 extends to below the suspension 12, the pressing seat 5 is fixed on the bottom end of the connecting arm 63, the top end of the connecting arm 63 is fixedly connected with the end of the telescopic rod of the first electric push cylinder 62, through the telescopic work of the first electric push cylinder 62, the telescopic rod can drive the pressing seat 5 and the pressing needle mold 51 to ascend and descend synchronously under the connection of the connecting arm 63, and further provides effective driving for the downward pressing action and upward reset action of the pressing needle mold 51.

[0035] The upper surface of the pressing seat 5 is symmetrically fixed with two vertically extending guide rods 64, and the suspension 12 is provided with two vertically penetrating sliding holes 641, and the two guide rods 64 are respectively and slidingly penetrated and installed in the corresponding sliding holes 641, and the guide rods 64 can be driven to synchronously ascend and descend along the inner walls of the sliding holes 641 during the ascending and descending of the pressing seat 5, and the sliding cooperation of the guide rods 64 and the sliding holes 641 provides a limiting and guiding effect for the ascending and descending of the pressing seat 5 and the pressing needle mold 51, so as to ensure that the ascending and descending of the pressing seat 5 and the pressing needle mold 51 is smooth and stable enough.

[0036] Please refer to Figure 2 and Figure 3 , the second electric push cylinders 7 are horizontally fixed on the two stands 11, the second electric push cylinders 7 are reversely arranged, the sliding rods 71 are fixed on the ends of the telescopic rods of the second electric push cylinders 7, the through holes 711 are provided on the two side guards 2, the sliding rods 71 are respectively and slidingly penetrated and installed in the corresponding through holes 711, the clamping blocks 8 are fixed on the ends of the two sliding rods 71 which are close to each other, the two clamping blocks 8 are symmetrically distributed below the pressing seat 5, when the placing seat 4 in which the plastic shell is placed is moved to the position below the pressing seat 5, the second electric push cylinders 7 are simultaneously elongated, the two clamping blocks 8 are driven to be close to each other under the connecting action of the sliding rods 71, the placing seat 4 can be clamped and fixed, the lifting capacity of the placing seat 4 is improved, the excessive downward pressure which deviates the placing seat 4 and causes the dislocation between the pressing needle mold 51 and the placing groove 41 is avoided, the stability of the placing seat 4 during the pressing of the needle is ensured, and the quality of the pressing needle assembly is effectively improved.

[0037] After the pressing of the needle is completed, the second electric push cylinders 7 are retracted, and the clamping and fixing of the placing seat 4 by the two clamping blocks 8 is cancelled, so that the placing seat 4 can continue to move to the downstream side.

[0038] Please refer to Figure 4 and Figure 5 , the guide holes 42 which vertically extend downward are provided on the inner bottom walls of the placing grooves 41, the push rods 43 are vertically and slidingly installed in the guide holes 42, the top ends of the push rods 43 extend into the placing grooves 41, the springs 44 are vertically arranged in the guide holes 42, the top ends of the springs 44 are fixed to the bottom ends of the push rods 43, and the bottom ends of the springs 44 are fixed to the inner bottom walls of the guide holes 42, during the pressing assembly of the needle, the push rods 43 are extruded to interact downward until the top ends of the push rods 43 are flush with the inner bottom walls of the placing grooves 41, at this time, the springs 44 are compressed, and when the extrusion is cancelled after the pressing of the needle is completed, the push rods 43 can be pushed upward to reset by the elastic force of the springs 44, and then the push rods 43 which extend into the placing grooves 41 can push and lift the pressed plastic shell, so as to facilitate the unloading and avoid the unsmooth unloading caused by the jamming of the plastic shell in the placing grooves 41.

[0039] In addition, it is worth mentioning that the control mode of the present application is automatically controlled by a controller, the control circuit and control principle of the controller use the prior art, and the control program can be realized by simple programming of those skilled in the art, which belongs to the common knowledge in the art, so the control mode and circuit connection will not be explained in detail.

[0040] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A press pin assembly mechanism characterized by: The utility model provides a kind of automatic needle pressing device, including workbench (1) and conveying belt (3);Several placing seats (4) are arranged in interval along its running direction on the conveying belt (3);Several placing grooves (41) are arranged in array along its length direction on the placing seat (4);Frame is provided above the conveying belt (3), and drive module (6) is provided on frame, and lower pressing seat (5) is equipped below the drive module (6), and the drive module (6) is used to drive the lower pressing seat (5) to adjust height;The extension direction of the lower pressing seat (5) is consistent with the extension direction of the placing seat (4), and several needle pressing moulds (51) are arranged in array along its length direction below the lower pressing seat (5).

2. The press needle assembly mechanism according to claim 1, wherein: The workbench (1) is symmetrically fixed with a pair of side guards (2) extending along the length direction of the workbench (1), and the conveying belt (3) is arranged between the two side guards (2) and extends along the length direction of the workbench (1), and each placing seat (4) extends along the width direction of the side guard (2).

3. The press needle assembly mechanism of claim 2, wherein: The frame includes vertical stands (11) symmetrically arranged on both sides of the conveying belt (3), the lower ends of the vertical stands (11) are fixedly connected with the workbench (1), the top portions of the two vertical stands (11) are fixedly connected with a suspension frame (12), and the drive module (6) is fixedly connected with the suspension frame (12).

4. The press needle assembly mechanism of claim 1, wherein: There are at least five placing grooves (41) on the same placing seat (4), and the number and spacing of the needle pressing moulds (51) correspond to the placing grooves (41).

5. The press needle assembly mechanism of claim 3, wherein: The drive module (6) includes a fixed seat (61), a first electric push cylinder (62), and a connecting arm (63); the first electric push cylinder (62) is vertically fixed on the suspension frame (12) through the fixed seat (61), and the telescopic rod of the first electric push cylinder (62) extends downward below the suspension frame (12); the lower pressing seat (5) is fixed on the bottom end of the connecting arm (63), and the top end of the connecting arm (63) is fixedly connected with the end portion of the telescopic rod of the first electric push cylinder (62).

6. The press pin assembly mechanism of claim 3, wherein: Second electric push cylinders (7) are horizontally fixed on the two vertical stands (11), and the two second electric push cylinders (7) are arranged in opposite directions; the end portions of the telescopic rods of the two second electric push cylinders (7) are fixedly connected with slide rods (71), the two side guards (2) are provided with through holes (711), the two slide rods (71) are respectively and slidably inserted into the corresponding through holes (711), and the end portions of the two slide rods (71) that are close to each other are fixedly connected with clamping blocks (8), and the two clamping blocks (8) are symmetrically arranged below the lower pressing seat (5).

7. The press pin assembly mechanism of claim 1, wherein: The inner bottom wall of each placing groove (41) is provided with a vertical downward extending guide hole (42), a top pushing rod (43) is vertically and slidably arranged in the guide hole (42), and the top portion of the top pushing rod (43) extends into the placing groove (41); a spring (44) is vertically arranged in each guide hole (42), the top end of the spring (44) is fixedly connected with the bottom end of the top pushing rod (43), and the bottom end of the spring (44) is fixedly connected with the inner bottom wall of the guide hole (42).

8. The press pin assembly mechanism of claim 5, wherein: Two vertical extension guide rods (64) are symmetrically fixed on the upper surface of the lower pressing seat (5), and two vertical through sliding holes (641) are arranged on the suspension (12); the two guide rods (64) are respectively and slidingly inserted into the corresponding sliding holes (641).

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