Secondary positioning turntable assembly for assembling lock spring

Abstract

The utility model discloses a secondary positioning turntable assembly for assembling a lock spring, which comprises a turntable, the lower part of the turntable is externally connected with a motor, the motor is used for driving the turntable to rotate, the turntable is provided with a groove, the groove is used for placing a fixing piece, the fixing piece and the groove are nested, and the fixing piece is used for fixing the lock spring; the rotating disc is arranged on the supporting seat, and a round hole is formed in the lower portion of the supporting seat and used for being connected with an output shaft of a motor; an opening is formed in one side of the supporting base, the assembling device is connected with the supporting base in a clamped mode through the opening, and the assembling device is used for assembling the lock spring and a workpiece. The fixing piece is arranged on the rotating disc, and the magnet is arranged on the fixing piece to position the lock spring for the first time; and meanwhile, the motor can provide power for the rotating disc to enable the rotating disc to rotate the lock spring to a designated position, so that the rotating disc is secondarily fixed, the assembling precision and the assembling efficiency are improved, and meanwhile the cost can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of lock spring assembly, in particular to a secondary positioning turntable assembly for lock spring assembly. Background Art

[0002] A lock spring is a mechanical part that uses elasticity to work. It achieves its function through the deformation and recovery of elastic materials. Lock springs play an important role in many machines and equipment, mainly in the following aspects: (1) Controlling movement, such as the lock spring that controls the opening and closing of cylinder valves in internal combustion engines, and the control lock spring in clutches; (2) Absorbing vibration and impact energy, such as the damping lock spring in vehicles and the lock springs in various dampers, which can effectively reduce the impact of vibration and impact on equipment and human bodies; (3) Storing and releasing energy, such as clock lock springs, which drive the operation of clocks by storing and releasing energy; (4) Measuring the magnitude of force, such as the lock spring system in lock spring scales and dynamometers, which measure the magnitude of external force by the deformation of the lock spring.

[0003] Currently, most existing lock spring assembly mechanisms rely on directional moving devices such as robotic arms or conveyor devices to position and move the lock springs. However, when there are many lock springs, more directional moving devices are required, and the setting procedures are also more complicated, which can easily cause chaos in the workshop. In addition, the positioning accuracy of the directional moving devices is not high, and their applicability to small parts is not high. Utility Model Content

[0004] The purpose of the present invention is to solve the above-mentioned shortcomings and provide a secondary positioning turntable assembly for lock spring assembly, hoping to improve the problem that the positioning equipment of the existing lock spring assembly device has low accuracy and takes a long time.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A secondary positioning turntable assembly for assembling a lock spring includes a turntable, an external motor is used for connecting the turntable below, and the turntable is driven to rotate by the motor, a groove is provided on the turntable, the groove is used to place a fixing part, the fixing part is nested in the groove, and the fixing part is used to fix the lock spring; the turntable is set on a support seat, a circular hole is provided below the support seat, and the circular hole is used to connect the output shaft of the motor; an opening is provided on one side of the support seat, and an assembly device is clamped with the support seat through the opening, and the assembly device is used to assemble the lock spring and the workpiece.

[0007] A further technical solution is: a plurality of grooves are provided on the turntable, and the grooves are evenly distributed on the turntable.

[0008] A further technical solution is: the fixing member includes a limiting portion and a positioning seat, the positioning seat is arranged on both sides of the limiting portion, the positioning seat is connected to the limiting portion through bolts, and the positioning seat is connected to the turntable through bolts.

[0009] A further technical solution is: a magnet is provided on the limiting portion, and the magnet is used to limit the movement of the lock spring.

[0010] A further technical solution is: the assembly device includes an upper limit plate and a carrier, the carrier is connected to the support seat, the upper limit plate is arranged above the carrier, and a protrusion is provided on the side of the upper limit plate close to the turntable.

[0011] A further technical solution is: a workpiece is provided on the carrier, a connecting portion is provided on the workpiece, and the connecting portion is used to be connected to the locking spring.

[0012] A further technical solution is: a Z-axis cylinder is provided on the upper limit plate, and the Z-axis cylinder is used to drive the upper limit plate to move in the vertical direction.

[0013] A further technical solution is: the support seat is connected to the bracket, the bracket is used to support the turntable assembly, and the Z-axis cylinder is connected to the bracket.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model arranges a fixing piece on the turntable, and a magnet is provided on the fixing piece to perform the initial positioning of the lock spring; at the same time, the motor can provide power to the turntable so that it can rotate the lock spring to a specified position, thereby performing the secondary fixing of the turntable, improving the assembly accuracy and efficiency, and also saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the turntable assembly of the utility model;

[0017] Figure 2 This is a schematic diagram of the turntable structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the support structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the fixing member of the utility model;

[0020] Figure 5 This is a schematic diagram of the magnet structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the assembly device of the utility model;

[0022] Figure 7 This is a schematic diagram of the workpiece structure of the utility model;

[0023] Figure 8 This is a schematic diagram of the Z-axis cylinder structure of the utility model;

[0024] Figure 9 This is a schematic diagram of the support structure of the utility model.

[0025] Description of labels: 1. Turntable; 2. Motor; 3. Fixing part; 31. Limiting part; 32. Positioning seat; 4. Support seat; 5. Assembly device; 51. Upper limit plate; 52. Carrier; 6. Groove; 7. Round hole; 8. Opening; 9. Magnet; 10. Z-axis cylinder; 111. Locking spring; 222. Workpiece; 13. Connecting part; 14. Bracket; 15. Protrusion. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] Example 1.

[0028] like Figure 1-3 As shown, one embodiment of the present invention is a secondary positioning turntable assembly for assembling a lock spring, comprising a turntable 1, wherein the bottom of the turntable 1 is used for an external motor 2, and the turntable 1 is driven to rotate by the motor 2, and a groove 6 is provided on the turntable 1, and the groove 6 is used to place a fixing part 3, and the fixing part 3 is nested with the groove 6, and the fixing part 3 is used to fix the lock spring 111; the turntable 1 is set on the support seat 4, and a circular hole 7 is provided under the support seat 4, and the circular hole 7 is used to connect the output shaft of the motor 2; an opening 8 is provided on one side of the support seat 4, and the assembly device 5 is clamped with the support seat 4 through the opening 8, and the assembly device 5 is used to assemble the lock spring 111 and the workpiece 222.

[0029] Motor 2 is mounted below turntable 1. It uses a high-precision stepper motor or servo motor. Its rotation angle and speed are controlled through programming, precisely driving turntable 1 along a preset path. The output shaft of motor 2 is connected to turntable 1 via a precision reducer, ensuring smooth power transmission.

[0030] Its working process is:

[0031] Initial positioning: First, the pre-process mechanism places the lock spring 111 on the fixing member 3 on the turntable 1. The magnet in the fixing member 3 immediately attracts the lock spring 111 and achieves preliminary positioning and fixation along its shape distribution. This process is the first positioning of the lock spring 111 by the turntable;

[0032] Secondary Rotation Positioning: Subsequently, motor 2 is activated according to a preset program, driving turntable 1 to rotate at a set angle and speed. Because turntable 1 is evenly distributed with multiple fixtures 3, the rotation parameters of motor 2 must be precisely controlled to ensure that the lock spring 111 on each fixture 3 accurately rotates within the working range of assembly device 5. Assembly device 5 then assembles lock spring 111 and workpiece 222.

[0033] This embodiment realizes the process from preliminary positioning to precise assembly of the lock spring by combining a high-precision motor, a fixing part and an assembly device, greatly improving assembly efficiency and accuracy and reducing the complexity and error rate of manual operation.

[0034] Example 2.

[0035] like Figure 2 As shown, another embodiment of the present invention is that a plurality of grooves 6 are formed on the turntable 1 , and the grooves 6 are evenly distributed on the turntable 1 .

[0036] Multiple grooves 6 are evenly distributed across the surface of the turntable 1. The number and layout of these grooves 6 are precisely designed based on actual needs to accommodate different specifications and quantities of lock springs 111. Each groove 6 ensures that its shape, size, and depth match those of the lock spring 111, ensuring its secure placement and initial positioning. Magnets or other fixing devices may be integrated into the bottom or sidewalls of the grooves 6 to enhance the attraction and retention of the lock spring 111.

[0037] The working process is as follows: the number of grooves 6 opened on the turntable 1 is set according to actual use needs, and when adjusting the number of grooves 6, the rotation parameters of the motor 2 also need to be adjusted accordingly to ensure that the locking spring 111 in each groove 6 can reach the opening 8 of the support seat 4; in this way, multi-station simultaneous processing and assembly of the locking spring 111 is realized, greatly improving the assembly efficiency.

[0038] The multi-station turntable assembly for lock spring assembly provided in this embodiment utilizes multiple evenly distributed grooves and corresponding assembly stations to enable simultaneous multi-station processing and assembly of lock springs. This design not only improves assembly efficiency but also reduces the complexity and error rate of manual operations, providing strong support for automated lock spring assembly.

[0039] Example 3.

[0040] like Figure 4 As shown, one embodiment of the present utility model is that the fixing member 3 includes a limiting portion 31 and a positioning seat 32, the positioning seat 32 is arranged on both sides of the limiting portion 31, the positioning seat 32 is connected to the limiting portion 31 by bolts, and the positioning seat 32 is connected to the turntable 1 by bolts.

[0041] The fixing member 3 is composed of two parts: a limiting portion 31 and a positioning seat 32 , and is a fixing and positioning device for the lock spring 111 .

[0042] The limiting portion 31 is the main part of the fixing member 3. Its shape and size are designed according to the shape and size of the lock spring 111 to provide sufficient support and limiting effect. The limiting portion 31 can be integrated with a magnet or other fixing device to enhance the attraction and fixing effect of the lock spring 111.

[0043] Positioning seats 32 are located on either side of the limiting portion 31 and are tightly connected to the limiting portion 31 via bolts. Positioning seats 32 are provided with connection holes that match the turntable 1, and bolts are used to securely attach the fixing member 3 to the turntable 1. The removable design of positioning seats 32 makes installation and removal of the fixing member 3 simple and quick.

[0044] Fixture Installation: The stopper 31 engages with the groove 6, and the stopper 31 and the positioning seat 32 are then bolted together to form a single unit. Next, the fixture 3 (including the stopper 31 and positioning seat 32) is placed in the corresponding position on the turntable 1, and the positioning seat 32 is securely connected to the turntable 1 with bolts. This completes the fixture 3's installation on the turntable 1.

[0045] The lock spring 111 is placed on the limiting portion 31 of the fixing member 3, and the lock spring 111 is adsorbed and fixed by the magnet or other fixing device in the limiting portion 31. At this time, the lock spring 111 is preliminarily positioned and fixed on the fixing member 3.

[0046] The detachable lock spring fixture turntable assembly provided in this embodiment utilizes a modular design to enable rapid installation, removal, and replacement of the fixture. This design not only improves assembly flexibility and maintainability, but also reduces the cost and time required to replace the fixture. Furthermore, a magnet or other fixture within the fixture effectively attracts and secures the lock spring 111, ensuring stability and accuracy during rotation and assembly.

[0047] Example 4.

[0048] like Figure 5 As shown, another embodiment of the present invention is that a magnet 9 is provided on the limiting portion 31 , and the magnet 9 is used to limit the movement of the locking spring 111 .

[0049] The stopper 31 serves as the primary support and retaining element for the lock spring 111. Its shape and dimensions are designed based on the specific shape of the lock spring 111 to ensure its secure placement. Importantly, the stopper 31 is equipped with magnets 9, positioned according to the shape and material of the lock spring 111 to provide sufficient attraction and prevent movement of the lock spring 111 during rotation and assembly of the turntable 1.

[0050] The magnet 9 is selected and arranged according to the material and shape of the lock spring 111. The magnet 9 is fixed to the limiting portion 31 by embedding or pasting. When the lock spring 111 is placed on the limiting portion 31, the magnet 9 can quickly and firmly absorb the lock spring to prevent it from shifting or falling off during subsequent operations.

[0051] Bolts or other fasteners are used to connect and fix the limiting portion 31, the positioning seat 32 and the components of the turntable 1 to ensure that the structure of the entire assembly is stable and reliable.

[0052] Install the fixing member 3 (including the limiting portion 31 and the positioning seat 32) on the turntable 1 using bolts or other fasteners to ensure that the fixing member is stable and does not loosen. Place the lock spring 111 on the limiting portion 31 of the fixing member 3. At this time, the magnet 9 on the limiting portion 31 will quickly attract the lock spring 111 and firmly fix it on the limiting portion 31. The attraction force of the magnet 9 is strong enough to prevent the lock spring from moving during subsequent rotation and assembly.

[0053] The lock spring retainer turntable assembly with a magnetic restraint mechanism provided in this embodiment achieves more stable fixation and restraint of the lock spring by adding a magnetic device to the restraining portion. This design not only improves the stability of the lock spring during rotation and assembly, but also reduces assembly errors and failure rates caused by lock spring movement. Furthermore, the magnet's attraction force can be adjusted and optimized based on the material and shape of the lock spring to accommodate the assembly requirements of lock springs of varying specifications and types.

[0054] Example 5.

[0055] like Figure 6 As shown, one embodiment of the present invention is that the assembly device 5 includes an upper limit plate 51 and a carrier 52, the carrier 52 is connected to the support seat 4, the upper limit plate 51 is arranged above the carrier 52, and the upper limit plate 51 is provided with a protrusion 15 on the side close to the turntable 1.

[0056] The assembly device 5 mainly includes the following parts:

[0057] The upper limit plate 51 is a flat plate structure located above the carrier 52. Through holes or grooves of different shapes and sizes can be opened on the upper limit plate 51 as needed to match the shape of the lock spring 111, ensuring that the lock spring 111 maintains the correct position and posture during the assembly process, and a protrusion 15 is provided on the side of the upper limit plate 51 close to the turntable 1, which is used to limit the lock spring 111 to avoid unnecessary position movement of the lock spring 111 during the transmission to the assembly device 5.

[0058] The carrier 52 is firmly connected to the support base 4, providing a stable support platform for the entire assembly process. Various positioning mechanisms and fixtures can be set on the carrier 52 as needed to ensure the accurate alignment of the lock spring 111 during the assembly process.

[0059] First, adjust the position and height of the upper limit plate 51 according to the size and shape of the lock spring to be assembled, and fix it to the appropriate position above the carrier 52 with bolts. At the same time, check whether the various components on the carrier 52 are in the correct position and prepare other necessary auxiliary mechanisms.

[0060] When the turntable 1 rotates to the assembly position, the lock spring 111 is pushed into the assembly device 5 , and the assembly device 5 assembles the lock spring 111 and the workpiece 222 .

[0061] After assembly is complete, the assembly device 5 performs necessary tests to confirm that the lock spring has been correctly assembled. If any problems or abnormalities are detected, the assembly device 5 sounds an alarm and stops working so that the operator can check and handle it.

[0062] The assembly device 5 with an adjustable upper limit plate provided in this embodiment utilizes an upper limit plate 51, which serves as the upper limit for the lock spring during assembly, enabling precise assembly of lock springs of varying sizes and shapes. Furthermore, the position and height of the upper limit plate 51 can be adjusted as needed to accommodate different sizes and types of lock springs. This design not only improves assembly accuracy and efficiency but also reduces assembly errors and failures caused by misaligned lock springs.

[0063] Example 6.

[0064] like Figure 7 As shown, in another embodiment of the present invention, a workpiece 222 is provided on the carrier 52 , and a connecting portion 13 is provided on the workpiece 222 . The connecting portion 13 is used to connect with the locking spring 111 .

[0065] A workpiece 222 with a pre-set connection portion 13 is provided on the carrier 52 to directly connect with the lock spring 111, thereby simplifying the assembly process and improving assembly efficiency. The main components include:

[0066] The workpiece 222 is a component to be connected to the lock spring 111. A connecting portion 13 is provided on the workpiece 222. The shape, size and position of the connecting portion 13 are customized according to the design requirements of the lock spring 111 to ensure that the two can be tightly and firmly connected together.

[0067] The connecting portion 13 is used to connect with the lock spring 111. The connecting portion 13 can be a hole, a groove, a boss or any other structure that can match the lock spring 111. Its shape, size and position must be accurately calculated and verified to ensure the reliability and stability of the connection.

[0068] Workpiece Placement: First, place the workpiece 222 with the pre-set connection portion 13 in the predetermined position on the carrier 52. The positioning surface on the bottom of the workpiece 222 mates with the positioning element on the carrier 52 to achieve precise alignment. When the turntable 1 rotates to the assembly position, the corresponding mechanism pushes the locking spring 111 into the predetermined position on the workpiece 222.

[0069] The workpiece assembly device with a pre-set connection portion provided in this embodiment directly connects the workpiece 222 with the connection portion 13 to the lock spring 111 by placing it on the carrier 52, thereby simplifying the assembly process and improving assembly efficiency. This design not only reduces the number of assembly steps and the required time, but also reduces assembly errors and failure rates caused by human error. Furthermore, the precise design and positioning of the connection portion 13 ensures a reliable and stable connection between the lock spring 111 and the workpiece 222.

[0070] Example 7.

[0071] like Figure 8 As shown, in one embodiment of the present invention, a Z-axis cylinder 10 is provided on the upper limit plate 51 , and the Z-axis cylinder 10 is used to drive the upper limit plate 51 to move in the vertical direction.

[0072] The upper limit plate 51 is designed with an interface connected to the Z-axis cylinder 10 to ensure that the cylinder can stably drive its movement. The material and structural design of the upper limit plate 51 need to be selected according to the specific application scenario (such as load-bearing weight, working environment, etc.) to ensure sufficient strength and rigidity.

[0073] The Z-axis cylinder 10 serves as the power source. Through the telescopic motion of its piston rod, the Z-axis cylinder 10 applies a vertical thrust or pull to the upper limit plate 51, thereby precisely adjusting its position. The selection of the Z-axis cylinder 10 requires consideration of factors such as stroke, thrust, speed, and control accuracy to meet actual application requirements.

[0074] Control system: This includes electrical control components (such as a PLC, servo controller, etc.) and sensors (such as position sensors and pressure sensors) for precise control of the Z-axis cylinder 10. Through programming, the control system can receive external commands or automatically adjust the cylinder's operating state based on internal logic to achieve the desired motion trajectory and position accuracy.

[0075] Safety protection devices: To prevent accidents, the system should be equipped with necessary safety protection devices, such as limit switches and emergency stop buttons. These devices can quickly respond to equipment anomalies or operational errors, cutting off the power source or stopping the equipment to ensure the safety of personnel and equipment.

[0076] When the turntable 1 is not working, the Z-axis cylinder 10 pulls the upper limit plate 51 to keep a certain distance from the carrier 52. When the turntable 1 is working, the Z-axis cylinder 10 applies a thrust to the upper limit plate 51 to make it contact with the carrier 52.

[0077] When the system receives a command to vertically move the upper limit plate 51, the control system activates the Z-axis cylinder 10. Depending on the command, the cylinder's piston rod begins to extend or retract, driving the upper limit plate 51 vertically through a connecting mechanism. During this movement, the control system uses sensors to monitor the position and speed of the upper limit plate 51 in real time, ensuring that it moves along the predetermined trajectory and with the required accuracy. When the designated position is reached, the cylinder stops, and the upper limit plate 51 remains in that position, awaiting further operation.

[0078] Example 8.

[0079] like Figure 9 As shown, another embodiment of the present invention is that the support seat 4 is connected to the bracket 14 , the bracket 14 is used to support the turntable assembly, and the Z-axis cylinder 10 is connected to the bracket 14 .

[0080] The support base 4 is a key component for connection and support. The support base 4 is responsible for carrying and firmly connecting other important components. In this embodiment, the support base 4 is not only connected to the bracket 14, but may also be directly or indirectly connected to some parts of the turntable assembly to ensure the stability of the entire turntable assembly.

[0081] The bracket 14 is used to support the turntable assembly, the Z-axis cylinder 10 and other related components. The design of the bracket 14 must take into account its load-bearing capacity, stability and compatibility with other components.

[0082] The turntable assembly is a core part of the automation system, used to carry workpieces, perform rotational motion and cooperate with other components to complete various operations. In this embodiment, the turntable assembly is firmly mounted on the bracket 14 to ensure its stability and accuracy during operation.

[0083] The Z-axis cylinder 10 serves as both a power source and a position adjustment mechanism. Through the telescopic motion of its piston rod, the Z-axis cylinder 10 precisely adjusts the vertical position of connected components. In this embodiment, the Z-axis cylinder 10 is connected to the bracket 14 to facilitate height adjustment of components above the turntable assembly, such as the upper limit plate 51, when necessary.

[0084] The support base 4 is firmly connected to the bracket 14 by bolts, welding or other appropriate connection methods. This connection not only ensures the stability of the support base 4, but also enables the turntable assembly to be firmly installed on the bracket 14.

[0085] The Z-axis cylinder 10 is connected to a specific position on the bracket 14 through its base or mounting flange. When connecting, attention should be paid to the installation direction and position accuracy of the cylinder to ensure that it can work smoothly and meet the design requirements of the system.

[0086] During system operation, the turntable assembly rotates, securely supported by bracket 14, to perform operations such as workpiece positioning and transfer. When the height of components above the turntable assembly needs to be adjusted, the control system activates the Z-axis cylinder 10. The piston rod of the Z-axis cylinder 10 telescopes vertically, driving connected components (such as the upper limit plate 51) for precise height adjustment. Because the Z-axis cylinder 10 is securely connected to bracket 14, this adjustment process is both stable and reliable.

[0087] References in this specification to "one embodiment," "another embodiment," "an embodiment," etc., refer to specific features, structures, or characteristics described in conjunction with that embodiment as included in at least one embodiment generally described in this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in conjunction with any embodiment, it is intended that such feature, structure, or characteristic, when implemented in conjunction with other embodiments, also fall within the scope of the present invention.

[0088] Although the present invention has been described herein with reference to a number of illustrative embodiments thereof, it will be understood that numerous other modifications and implementations may be devised by those skilled in the art that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the present disclosure, the drawings, and the claims, numerous variations and modifications may be made to the components and / or arrangement of the subject combination arrangement. In addition to variations and modifications to the components and / or arrangement, other uses will also be apparent to those skilled in the art.

Claims

1. A secondary positioning turntable assembly for a lock spring assembly, comprising a turntable (1), wherein an external motor (2) is connected to the bottom of the turntable (1), and the motor (2) drives the turntable (1) to rotate, characterized in that: The rotating disk (1) is provided with a groove (6), the groove (6) is used to place a fixing member (3), the fixing member (3) and the groove (6) are nested, and the fixing member (3) is used to fix a locking spring (111); The turntable (1) is arranged on a support base (4), a circular hole (7) is provided below the support base (4), and the circular hole (7) is used to connect the output shaft of the motor (2); An opening (8) is provided on one side of the support seat (4), and the assembly device (5) is engaged with the support seat (4) through the opening (8). The assembly device (5) is used to assemble the lock spring (111) and the workpiece (222).

2. The secondary positioning turntable assembly for lock spring assembly according to claim 1, characterized in that: The turntable (1) is provided with a plurality of grooves (6), and the grooves (6) are evenly distributed on the turntable (1).

3. The secondary positioning turntable assembly for lock spring assembly according to claim 1, characterized in that: The fixing member (3) comprises a limiting portion (31) and a positioning seat (32), wherein the positioning seat (32) is arranged on both sides of the limiting portion (31), the positioning seat (32) is connected to the limiting portion (31) via bolts, and the positioning seat (32) is connected to the turntable (1) via bolts.

4. The secondary positioning turntable assembly for lock spring assembly according to claim 3, characterized in that: A magnet (9) is provided on the limiting portion (31), and the magnet (9) is used to limit the movement of the locking spring (111).

5. The secondary positioning turntable assembly for lock spring assembly according to claim 1, characterized in that: The assembly device (5) comprises an upper limit plate (51) and a carrier (52), wherein the carrier (52) is connected to the support seat (4), the upper limit plate (51) is arranged above the carrier (52), and a protrusion (15) is provided on a side of the upper limit plate (51) close to the turntable (1).

6. The secondary positioning turntable assembly for lock spring assembly according to claim 5, characterized in that: A workpiece (222) is provided on the carrier (52), and a connecting portion (13) is provided on the workpiece (222). The connecting portion (13) is used to be connected to the locking spring (111).

7. The secondary positioning turntable assembly for lock spring assembly according to claim 1, characterized in that: The upper limit plate (51) is provided with a Z-axis cylinder (10), and the Z-axis cylinder (10) is used to drive the upper limit plate (51) to move in a vertical direction.

8. The secondary positioning turntable assembly for lock spring assembly according to claim 7, characterized in that: The support seat (4) is connected to a bracket (14), the bracket (14) is used to support the turntable assembly, and the Z-axis cylinder (10) is connected to the bracket (14).

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