Automatic assembly equipment for steel needles

Abstract

This invention discloses an automatic steel needle assembly device, which reduces the overall land area required and saves labor costs. It includes: a first turntable, comprising a first central disc and a first rotating ring; a second turntable for safety clamp feeding, comprising a second central disc and a second rotating ring; a third turntable, a plastic turntable, comprising a third central disc and a third rotating ring; a fourth turntable, comprising a fourth central disc and a fourth rotating ring; a steel needle feeding mechanism; a safety clamp feeding mechanism; a needle holder feeding mechanism; and a feeding and unloading tray machine.

Description

Technical Field

[0001] This invention relates to the technical field of indwelling needle assembly, specifically to automatic steel needle assembly equipment. Background Technology

[0002] The indwelling needle includes a needle assembly. During assembly, the steel needle, metal spring, and needle hub need to be assembled. The structure of the assembly is shown below. Figure 1 The existing assembly equipment is a linear production line. In actual assembly, a very long production line is required to cover all workstations. Due to the long production line, multiple workers are needed to monitor the operation, which is not conducive to reducing labor costs. Moreover, the long production line requires a large area of ​​workshop space, resulting in high land costs. Therefore, there is an urgent need to develop automatic steel needle assembly equipment that can reduce land and labor costs. Summary of the Invention

[0003] To address the aforementioned problems, this invention provides an automatic steel needle assembly device, which reduces the overall land cost and saves labor costs.

[0004] An automatic steel needle assembly device, characterized in that it comprises:

[0005] The first turntable includes a first central plate and a first rotating ring. Steel needle holders are sequentially and equally spaced fixed on the upper part of the circumference of the first rotating ring. The first turntable is sequentially arranged along the rotation direction with a steel needle feeding station, a steel needle length fixing station, a needle angle detection and adjustment station, a safety clamp and steel needle assembly station, a needle seat assembly station, a needle tip position detection and adjustment station, a steel needle flattening station, a needle assembly unloading station to the dispensing plate station, and a defective product discharge station.

[0006] The second turntable is used for safety clamp loading operations. It includes a second central disc and a second rotating ring. Safety clamp placement seats are fixed at equal intervals on the upper part of the circumference of the second rotating ring. The second rotating ring is arranged with a safety clamp loading station, a safety clamp pushing steel needle station, a defective product discharge station, and a first transition station in sequence along the rotation direction.

[0007] The third turntable is a glue turntable, which includes a third central disc and a third rotating ring. The upper part of the third rotating ring is provided with needle assembly placement seats at equal intervals. The third rotating ring is provided with a feeding station, a needle seat dispensing station, a glue curing station, a glue testing station, a needle tip siliconeizing station, a safety clamp lubrication station, a siliconeizing and handling station, and a defective product discharge station in sequence along the rotation direction. The steel needles of the needle assembly in the needle assembly placement seat are placed facing upwards.

[0008] The fourth turntable includes a fourth central disc and a fourth rotating ring; the upper part of the fourth rotating ring is provided with needle assembly positioning seats at equal intervals; the third rotating ring is provided with a material receiving station, a needle tip siliconization and needle tube flow detection station, a needle assembly unloading and transfer station, and a defective product discharge station along the rotation direction; the steel needle of the needle assembly positioning seat is inserted into the positioning hole and placed with the needle seat facing upward.

[0009] Steel needle feeding mechanism;

[0010] Safety clamp feeding mechanism;

[0011] Needle seat feeding mechanism;

[0012] And a material feeding and tray-stacking machine;

[0013] A steel needle feeding mechanism is provided on the outer periphery of the steel needle feeding station of the first turntable. A safety clamp pushing steel needle station is provided on the outer periphery of the safety clamp and steel needle assembly station of the first turntable. The tooling in the safety clamp pushing steel needle station pushes the safety clamp into the steel needle to complete the assembly of the safety clamp and the steel needle. A safety clamp feeding mechanism is provided on the outer periphery of the safety clamp feeding station of the second turntable. A needle seat feeding mechanism is provided on the outer periphery of the needle seat assembly station of the first turntable.

[0014] The needle assembly of the first turntable is unloaded to the dispensing plate station, and the corresponding outer periphery of the third turntable is provided with the loading station of the third turntable. The transfer mechanism of the needle assembly unloaded to the dispensing plate station transfers the needle assembly to the needle assembly placement seat on the loading station of the third turntable. The corresponding outer periphery of the siliconization transport station of the third turntable is provided with the receiving station of the fourth turntable. The needle assembly on the siliconization transport station is transferred to the needle assembly positioning seat on the receiving station.

[0015] The feed inlet of the feeding and tray-mounting machine is provided on the outer periphery of the needle assembly feeding and transfer station on the fourth turntable.

[0016] Its further features are:

[0017] Each of the first, second, third, and fourth turntables is connected to an independent drive motor, which drives the turntable to perform a step-by-step rotation operation.

[0018] Each turntable is equipped with a dual-mode clamping or positioning mechanism at the corresponding workstation position. Each workstation performs corresponding actions for two sets of products in a single operation, which improves production efficiency.

[0019] Between the steel needle flattening station and the needle assembly unloading station to the dispensing plate station on the first turntable, there is also a steel needle angle re-inspection and flatness detection station, which further ensures the reliability of product testing.

[0020] The needle assembly on the siliconization transport station is transferred to the needle assembly positioning seat at the material receiving station via a flipping transport mechanism.

[0021] With this invention, steel needles are fed onto the first turntable, and then undergo sequential length and angle detection and adjustment operations as the turntable rotates. Next, safety clamps and needle holders are assembled. Then, needle tip position detection and adjustment, and the steel needles are flattened. The needle assembly is then transferred to the third turntable. After needle holder dispensing, glue curing, glue detection, needle tip siliconization, and safety clamp lubrication, the needle assembly is transferred to the receiving station on the fourth turntable. Finally, after needle tip siliconization and needle tube flow detection, the needle assembly is transferred to the unloading and tray placement machine at the needle assembly unloading and transfer station. The entire equipment does not require a linear production line; it is assembled using four turntables, a feeding mechanism, and a transfer mechanism, resulting in less land use and lower labor costs. Attached Figure Description

[0022] Figure 1 This is an exploded view of the needle assembly.

[0023] Figure 2 This is a three-dimensional structural schematic diagram of the present invention;

[0024] Figure 3 for Figure 1 A magnified view of a portion of the first turntable;

[0025] Figure 4 for Figure 1 A partially enlarged schematic diagram of the second turntable;

[0026] Figure 5 for Figure 1 A magnified view of the third and fourth turntables. Detailed Implementation

[0027] Automatic assembly equipment for steel needles, see Figures 1-5 It includes a machine base 10, a first turntable 20, a second turntable 30, a third turntable 40, a fourth turntable 50, a steel needle feeding mechanism 60, a safety clamp feeding mechanism 70, a needle seat feeding mechanism 80, and a material unloading and tray-loading machine 90. The first turntable 20 is located at the center of the upper surface of the machine base 10, the second turntable 30 is located on one side of the upper surface of the machine base 10, the third turntable 40 and the fourth turntable 50 are located on the other side of the upper surface of the machine base 10, and the material unloading and tray-loading machine 90 is located on the outer side of the machine base 10 corresponding to the outside of the fourth turntable 50. The safety clamp feeding mechanism 70 and the needle seat feeding mechanism 80 are respectively arranged on the outer periphery of the machine base 10 to ensure that the entire equipment is easy to transport and operate.

[0028] The first turntable 20 includes a first central plate 201 and a first rotating ring 202. The upper part of the first rotating ring 202 is provided with steel needle holders 203 at equal intervals. The first turntable 20 is provided with the following stations in sequence along the rotation direction: steel needle feeding station 21, steel needle length fixing station 22, needle angle detection and adjustment station 23, safety clamp and steel needle assembly station 24, needle seat assembly station 25, needle tip position detection and adjustment station 26, steel needle flattening station 27, steel needle angle re-inspection and flatness detection station 28, needle assembly unloading to dispensing plate station 29, and defective product discharge station 210.

[0029] The second turntable 30 is used for the safety clamp loading operation. It includes a second central disc 301 and a second rotating ring 302. Safety clamp placement seats 303 are fixed at equal intervals on the upper part of the circumference of the second rotating ring 302. The second rotating ring 302 is arranged with a safety clamp loading station 31, a safety clamp pushing steel needle station 32, a defective product discharge station 33, and a first transition station 34 in sequence along the rotation direction.

[0030] The third turntable 40 is an adhesive turntable, which includes a third central disc 401 and a third rotating ring 402. The upper part of the third rotating ring 402 is provided with needle assembly placement seats 403 at equal intervals. The third rotating ring 402 is provided with a feeding station 41, a needle seat dispensing station 42, an adhesive curing station 43 (in specific implementation, the adhesive curing station includes two sets to ensure reliable curing of the adhesive), an adhesive testing station 44, a needle tip siliconeizing station 45, a safety clamp lubrication station 46, a siliconeizing handling station 47, and a defective product discharge station 48 in sequence along the rotation direction. The steel needles of the needle assembly 100 in the needle assembly placement seat 403 are placed facing upwards.

[0031] The fourth turntable 50 includes a fourth central disc 501 and a fourth rotating ring 502; needle assembly positioning seats 503 are arranged sequentially and at equal intervals on the upper part of the fourth rotating ring 502; the fourth rotating ring 502 is arranged sequentially along the rotation direction as a material receiving station 51, a needle tip siliconization and needle tube flow detection station 52, a needle assembly unloading and transfer station 53, and a defective product discharge station 54; the steel needles of the needle assembly positioning seats 503 are inserted into the positioning holes and placed with the needle seats facing upwards.

[0032] A steel needle feeding mechanism 60 is provided on the outer periphery of the steel needle feeding station 21 of the first turntable 20. A safety clamp pushing steel needle station 32 is provided on the outer periphery of the safety clamp and steel needle assembly station 24 of the first turntable 20. The tooling in the safety clamp pushing steel needle station 32 pushes the safety clamp into the steel needle to complete the assembly of the safety clamp and the steel needle. A safety clamp feeding mechanism 70 is provided on the outer periphery of the safety clamp feeding station 31 of the second turntable 30. A needle seat feeding mechanism 80 is provided on the outer periphery of the needle seat assembly station 25 of the first turntable 10. Both the safety clamp feeding mechanism 70 and the needle seat feeding mechanism 80 are vibratory feeder structures.

[0033] The needle assembly of the first turntable 20 is unloaded to the corresponding outer periphery of the dispensing plate station 29, where the loading station 41 of the third turntable 40 is set. The transfer mechanism of the needle assembly unloaded to the dispensing plate station 29 transfers the needle assembly 100 to the needle assembly placement seat 403 on the loading station 41 of the third turntable 40. The corresponding outer periphery of the siliconization transport station 47 of the third turntable 40 is set to the receiving station 51 of the fourth turntable 50. The needle assembly on the siliconization transport station 47 is transferred to the needle assembly positioning seat 503 on the receiving station 51 by the flipping transfer mechanism 110.

[0034] The corresponding outer periphery of the needle assembly unloading and transfer station 53 on the fourth turntable 50 is provided with the feeding connection mechanism 91 of the unloading and tray-loading machine 90.

[0035] In specific implementation: The corresponding rotating rings of the first turntable 20, the second turntable 30, the third turntable 40, and the fourth turntable 50 are all connected to independent drive motors, and the motors drive the conversion step rotation operation of each turntable;

[0036] Each turntable is equipped with a dual-mode clamping or positioning mechanism at the corresponding workstation position. Each workstation performs corresponding actions for two sets of products in a single operation, thereby improving production efficiency.

[0037] In practice, the transfer or operation fixtures for each workstation corresponding to the turntable are set at the corresponding positions on the central plate or machine tool to ensure that the fixtures for all workstations are arranged reasonably.

[0038] Its working principle is as follows: steel needles are fed to the first turntable through the steel needle feeding mechanism. Then, after the first turntable rotates, the needles undergo sequential length and angle detection and adjustment operations, followed by safety clamp assembly and needle seat assembly. After that, the needle tip position is detected and adjusted, and the steel needle is flattened. The needle assembly is then transferred to the third turntable. After the needle seat is glued, the glue is cured, the glue is detected, the needle tip is siliconized, and the safety clamp is lubricated, the needle assembly is transferred to the receiving station of the fourth turntable. Finally, after the needle tip is siliconized and the needle tube flow rate is detected, the needle assembly is transferred to the unloading and tray placement machine at the needle assembly unloading and transfer station. The entire equipment does not require a straight production line. It is assembled by four turntables, a feeding mechanism, and a transfer mechanism, which makes the overall equipment occupy less land and saves labor costs.

[0039] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0040] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic steel needle assembling apparatus, characterized by, It comprises: The first rotary disc comprises a first center disc, a first rotary ring, and a steel needle clamping seat fixed on the upper part of the ring circumference of the first rotary ring in sequence at equal intervals. The first rotary disc is sequentially provided with a steel needle feeding station, a steel needle length setting station, a needle angle detection and adjustment station, a safety clip and steel needle assembly station, a needle seat assembly station, a needle tip position detection and adjustment station, a steel needle flattening station, a needle assembly unloading to a dispensing disc station, and a defective product discharge station along the rotation direction; The second rotary disc is used for safety clip feeding operation and comprises a second center disc and a second rotary ring. Safety clip placing seats are fixed on the upper part of the ring circumference of the second rotary ring in sequence at equal intervals. The second rotary ring is sequentially provided with a safety clip feeding station, a safety clip pushing into a steel needle station, a defective product discharge station, and a first transition station along the rotation direction; The third rotary disc is a glue rotary disc and comprises a third center disc and a third rotary ring. Needle assembly placing seats are sequentially arranged on the upper part of the ring circumference of the third rotary ring at equal intervals. The third rotary ring is sequentially provided with a feeding station, a needle seat dispensing station, a glue curing station, a glue detection station, a needle tip siliconization station, a safety clip lubrication station, a siliconization transfer station, and a defective product discharge station along the rotation direction. The steel needle of the needle assembly in the needle assembly placing seat is placed upward; The fourth rotary disc comprises a fourth center disc and a fourth rotary ring. Needle assembly positioning seats are sequentially arranged on the upper part of the ring circumference of the fourth rotary ring at equal intervals. The fourth rotary ring is sequentially provided with a feeding station, a needle tip siliconization and needle tube flow detection station, a needle assembly unloading transfer station, and a defective product discharge station along the rotation direction. The steel needle of the needle assembly positioning seat is inserted into a positioning hole, and the needle seat is placed upward; A steel needle feeding mechanism; A safety clip feeding mechanism; A needle seat feeding mechanism; And a unloading tray placing machine; The corresponding outer circumference of the steel needle feeding station of the first rotary disc is provided with a steel needle feeding mechanism. The corresponding outer circumference of the safety clip and steel needle assembly station of the first rotary disc is provided with a safety clip pushing into a steel needle station. The tooling in the safety clip pushing into a steel needle station pushes the safety clip into the steel needle to complete the assembly of the safety clip and the steel needle. The outer circumference of the safety clip feeding station of the second rotary disc is provided with a safety clip feeding mechanism at a corresponding position. The corresponding outer circumference of the needle seat assembly station of the first rotary disc is provided with a needle seat feeding mechanism; The corresponding outer circumference of the needle assembly unloading to the dispensing disc station of the first rotary disc is provided with the feeding station of the third rotary disc. The transfer mechanism of the needle assembly unloading to the dispensing disc station transfers the needle assembly to the needle assembly placing seat on the feeding station of the third rotary disc. The corresponding outer circumference of the siliconization transfer station of the third rotary disc is provided with the feeding station of the fourth rotary disc. The needle assembly on the siliconization transfer station is transferred to the needle assembly positioning seat on the feeding station; The corresponding outer circumference of the needle assembly unloading transfer station on the fourth rotary disc is provided with the inlet of the unloading tray placing machine.

2. The automatic steel needle assembling apparatus according to claim 1, characterized by: The corresponding rotary rings of the first rotary disc, the second rotary disc, the third rotary disc, and the fourth rotary disc are all connected with independent driving motors. The motors drive the step rotation operation of each rotary disc.

3. The automatic steel needle assembling apparatus according to claim 1, characterized by: The corresponding station positions on each group of rotary discs are provided with double-mode clamping or positioning mechanisms. Each station performs corresponding actions on two groups of products in a single action.

4. The automatic steel needle assembling apparatus according to claim 1, characterized by: The first rotating disc is further provided with a steel needle angle rechecking and flattening position between the steel needle flattening position and the glue dispensing disc position.

5. The automatic steel needle assembling apparatus according to claim 1, characterized by: The needle assembly on the siliconization carrying position is transferred to the needle assembly positioning seat on the incoming material position through the overturning carrying mechanism.

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