Torsion spring clamp with locking mechanism

Abstract

The utility model relates to the technical field of clamps, in particular to a torsion spring clamp with a locking mechanism, which comprises a supporting seat, a connecting shaft is fixedly mounted on the supporting seat, a fixed lug is fixedly mounted on the connecting shaft, a rotating lug is rotatably mounted on the connecting shaft, and the locking mechanism is mounted on the rotating lug. Clamping plates are arranged on the fixed lug seat and the rotary lug seat, a torsion spring is arranged between the clamping plates, and the torsion spring is arranged on the connecting shaft in a sleeving mode. According to the torsion spring clamp, the micro motor drives the driving gear to be meshed with the driven gear to drive the rotating lug seat to rotate, so that automatic opening and closing of the clamping plates are achieved, manual intervention is not needed, linkage with automatic equipment is facilitated, the production efficiency and the operation continuity are improved, and after clamping is completed, the working efficiency is improved. The driving gear and the driven gear are kept in an engaged state, so that the position of the rotating lug seat can be effectively locked, the clamping plate is prevented from loosening due to external force or vibration, the stability in the clamping process is ensured, and machining errors are reduced.

Description

Technical Field

[0001] This utility model relates to the field of clamping technology, and in particular to a torsion spring clamp with a locking mechanism. Background Technology

[0002] In the fields of machining, automated assembly, and industrial robot applications, clamps play an important role as key tools for quickly positioning and firmly holding workpieces. With the development of manufacturing technology, the requirements for improving production efficiency and product quality are getting higher and higher, which also puts forward higher requirements for the performance of clamps. Due to its advantages such as simple structure, fast response speed, and ability to provide adaptive clamping force, torsion spring clamps have been widely used in the clamping operation of light parts.

[0003] Currently, traditional torsion spring clamps are basically composed of a support base, a rotating shaft, clamping plates, and a torsion spring. The rebound force applied by the torsion spring keeps the two clamping plates in a closed state, achieving effective clamping of the workpiece. When it is necessary to open the clamp to place or remove the workpiece, the operator usually needs to manually operate the clamping plates to overcome the spring force to open them. After the workpiece is placed, they are released. However, traditional torsion spring clamps lack a locking mechanism and rely solely on the elastic force provided by the torsion spring to maintain the clamping state. When faced with vibration or external impact, the clamping plates are prone to loosening, which may lead to the workpiece falling off or equipment damage, affecting the continuity and safety of production. Furthermore, since the opening and closing process depends on manual intervention, it cannot be directly linked with automated equipment, which limits its application in automated production lines.

[0004] Therefore, there is an urgent need to provide a torsion spring clamp with an automatic locking mechanism. Utility Model Content

[0005] In order to overcome the shortcomings of traditional torsion spring clamps, which lack a locking mechanism and rely solely on the elastic force provided by the torsion spring to clamp the workpiece, making it easy for the clamping plate to loosen when subjected to vibration or external force, resulting in workpiece falling off or equipment damage, and low safety, as well as the fact that opening and closing depend on manual operation and cannot be linked with automated equipment, this utility model provides a torsion spring clamp with an automatic locking mechanism.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: a torsion spring clamp with a locking mechanism, comprising a support base, a connecting shaft fixedly mounted on the support base, a fixed lug fixedly mounted on the connecting shaft, a rotating lug rotatably mounted on the connecting shaft, clamping plates on both the fixed lug and the rotating lug, a torsion spring disposed between the clamping plates, and the torsion spring sleeved on the connecting shaft, a micro motor mounted on one side of the support base, a drive gear connected to the output shaft of the micro motor via a key, and a driven gear meshing with the drive gear on one side of the rotating lug.

[0007] Furthermore, it is particularly preferred that the bottom of the support base is provided with screws.

[0008] Furthermore, it is particularly preferred that the bottom surface of the support base is provided with an anti-slip pad.

[0009] Furthermore, it is particularly preferred that a connecting plate is fixedly connected to the top of the rotating ear seat, a pressure detector is provided on the rotating ear seat, an indicator light is installed on the top of the pressure detector, and the indicator light is electrically connected to the pressure detector.

[0010] Furthermore, it is particularly preferred that a fixing frame is fixedly connected to the top of the support base, and a mounting shell is fixedly connected to the fixing frame. An electric fan is installed inside the mounting shell, and the air outlet of the electric fan faces the clamping plate and the area where the workpiece is clamped.

[0011] Furthermore, it is particularly preferred that the top of the mounting housing is provided with an isolation net.

[0012] Furthermore, it is particularly preferred that a protective shell is fixed to one side of the support base, and the protective shell covers the area where the micro motor is located.

[0013] Furthermore, it is particularly preferred that the side of the clamping plate used to hold the workpiece is fixedly fitted with a rubber pad.

[0014] Compared with the prior art, the present invention has the following technical effects: 1. The torsion spring clamp is driven by a micro motor to mesh the drive gear and the driven gear, thereby driving the rotating ear seat to rotate, thus realizing the automatic opening and closing of the clamp plate without manual intervention. It is easy to link with automated equipment, improve production efficiency and operation continuity. After clamping, the drive gear and the driven gear are kept in mesh, which can effectively lock the position of the rotating ear seat, prevent the clamp plate from loosening due to external force or vibration, ensure the stability during the clamping process, and reduce processing errors.

[0015] 2. The clamp is equipped with a pressure detector and an indicator light, which can monitor the clamping force in real time. When the clamping force exceeds the set safety range, the indicator light will sound an alarm to remind the operator to make timely adjustments to prevent workpiece damage or equipment failure.

[0016] 3. By adding an electric fan to the fixture, heat can be actively dissipated during operation, maintaining the mechanical properties of the clamping plate material and improving the reliability and stability of the fixture during long-term operation. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a three-dimensional sectional view of the support base, connecting shaft, and clamping plate of this utility model.

[0019] Figure 3 This is a three-dimensional structural diagram of the micro motor, drive gear, and driven gear components of this utility model.

[0020] Figure 4 This is a three-dimensional structural diagram of the connecting plate, pressure detector, and indicator light components of this utility model.

[0021] Figure 5 This is a three-dimensional sectional view of the components of this utility model, including the fixing frame, mounting shell, and electric fan.

[0022] The above-mentioned figures include the following reference numerals: 1: support base, 2: connecting shaft, 3: fixed ear, 4: rotating ear, 5: clamping plate, 6: torsion spring, 7: micro motor, 8: drive gear, 9: driven gear, 10: screw, 11: anti-slip pad, 12: connecting plate, 13: pressure detector, 14: indicator light, 15: fixing bracket, 16: mounting shell, 17: electric fan, 18: isolation net, 19: protective shell, 20: rubber pad. Detailed Implementation

[0023] References to embodiments herein mean that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0024] Example 1: Please refer to Figures 1-3A torsion spring clamp with a locking mechanism includes a support base 1. Two screws 10 are provided at the bottom of the support base 1, allowing the clamp to be securely fixed to external equipment or a workbench for stable installation. An anti-slip pad 11 is provided on the bottom surface of the support base 1 to increase friction between the clamp and the mounting surface, preventing displacement or vibration during operation. A connecting shaft 2 is fixedly mounted on the support base 1, a fixed lug 3 is fixedly mounted on the connecting shaft 2, and a rotating lug 4 is rotatably mounted on the connecting shaft 2. Both the fixed lug 3 and the rotating lug 4 are provided with clamping plates 5. A rubber pad 20 is fixedly mounted on the side of the clamping plate 5 used for clamping the workpiece. The rubber pad 20 has good elasticity. The clamping mechanism is designed to enhance clamping stability and prevent damage to the workpiece surface. A torsion spring 6 is provided between the clamping plates 5 and is sleeved on the connecting shaft 2 to provide a restoring force for the clamping plates 5. A micro motor 7 is installed on the left side of the support base 1, and a protective shell 19 is fixed to the left side of the support base 1. The protective shell 19 covers the area where the micro motor 7 is located to prevent external impurities from entering. A drive gear 8 is connected to the output shaft of the micro motor 7 via a key. A driven gear 9 that meshes with the drive gear 8 is provided on the left side of the rotating ear 4, so that when the micro motor 7 drives the drive gear 8, it can drive the rotating ear 4 to rotate around the connecting shaft 2, thereby realizing the automatic opening and closing of the clamping plates 5.

[0025] In the initial state, the torsion spring 6 is in its natural state, applying a certain closing force to the two clamping plates 5, keeping the clamp in a natural closing tendency. When it is necessary to open the clamping plates 5 to put in the workpiece, the micro motor 7 starts, and the motor output shaft drives the drive gear 8 to rotate. The drive gear 8 meshes with the driven gear 9 on the rotating ear 4, thereby driving the rotating ear 4 to rotate upward relative to the fixed ear 3 around the connecting shaft 2. The rotating ear 4 drives the clamping plates 5 on it to open outward, forming a clamping space. After the workpiece is placed between the two clamping plates 5, the micro motor 7 is controlled to run in the opposite direction, driving the rotating ear 4 to reset. At this time, the clamping plates 5 close and clamp the workpiece under the action of the torsion spring 6, completing the clamping action. After the clamp clamps the workpiece, the motor stops running, and the drive gear 8 and the driven gear 9 remain in a meshing state to achieve locking, preventing the rotating ear 4 from deflecting due to external force, thereby effectively avoiding workpiece falling off or processing errors caused by the loosening of the clamping plates 5.

[0026] Example 2: Based on Example 1, please refer to... Figure 4 A connecting plate 12 is fixedly connected to the top of the rotating ear seat 4. A pressure detector 13 is provided on the rotating ear seat 4 to monitor the magnitude of the force applied to the workpiece during the clamping process in real time. An indicator light 14 is installed on the top of the pressure detector 13, and the indicator light 14 is electrically connected to the pressure detector 13.

[0027] When the clamp performs a clamping operation, the pressure detector 13 continuously monitors the clamping force. If the detected clamping force exceeds the preset safety range, the pressure detector 13 will send a signal to the indicator light 14. After receiving the signal, the indicator light 14 will be lit to remind the operator that the current clamping state is abnormal and that it is necessary to adjust or stop the operation in time to avoid potential risks or losses.

[0028] Please see Figure 5 The support base 1 has a fixed frame 15 fixed to its top, and a mounting shell 16 fixed to the fixed frame 15. An electric fan 17 is installed inside the mounting shell 16. The air outlet of the electric fan 17 faces the clamping plate 5 and the area where the workpiece is clamped. It is used to actively dissipate heat from the clamping plate 5 and the clamped workpiece during continuous operation of the fixture, so as to prevent the clamping force from decreasing or the workpiece from being deformed by heat due to temperature rise. An isolation net 18 is provided on the top of the mounting shell 16 to prevent dust or foreign objects from entering the interior of the mounting shell 16, while not affecting the normal heat dissipation effect of the electric fan 17.

[0029] In automated production lines, fixtures may operate frequently for extended periods. During clamping and releasing, clamping plates 5 generate heat due to friction and other factors, which can cause changes in the material properties of clamping plates 5 and affect clamping stability. At this time, turning on the electric fan 17 can continuously blow air during the operation of the fixture, remove the heat, maintain the mechanical properties of clamping plates 5, and improve the stability and reliability of the fixture during long-term operation.

[0030] Those skilled in the art should understand that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A torsion spring clamp with a locking mechanism, comprising a support base (1), a connecting shaft (2) fixedly mounted on the support base (1), a fixed lug (3) fixedly mounted on the connecting shaft (2), a rotating lug (4) rotatably mounted on the connecting shaft (2), clamping plates (5) provided on both the fixed lug (3) and the rotating lug (4), a torsion spring (6) provided between the clamping plates (5), and the torsion spring (6) sleeved on the connecting shaft (2), characterized in that: A micro motor (7) is installed on one side of the support base (1), and a drive gear (8) is connected to the output shaft of the micro motor (7) by a key. A driven gear (9) that meshes with the drive gear (8) is provided on one side of the rotating ear base (4).

2. A torsion spring clamp with a locking mechanism as described in claim 1, characterized in that: The bottom of the support base (1) is provided with screws (10).

3. A torsion spring clamp with a locking mechanism as described in claim 2, characterized in that: The bottom surface of the support base (1) is provided with an anti-slip pad (11).

4. A torsion spring clamp with a locking mechanism as described in claim 3, characterized in that: A connecting plate (12) is fixedly connected to the top of the rotating ear seat (4). A pressure detector (13) is provided on the rotating ear seat (4). An indicator light (14) is installed on the top of the pressure detector (13). The indicator light (14) is electrically connected to the pressure detector (13).

5. A torsion spring clamp with a locking mechanism as described in claim 4, characterized in that: The support base (1) is fixedly connected to a fixed frame (15) at the top. A mounting shell (16) is fixedly connected to the fixed frame (15). An electric fan (17) is installed inside the mounting shell (16). The air outlet of the electric fan (17) faces the clamping plate (5) and the area where the workpiece is clamped.

6. A torsion spring clamp with a locking mechanism as described in claim 5, characterized in that: An isolation net (18) is provided on the top of the mounting shell (16).

7. A torsion spring clamp with a locking mechanism as described in claim 6, characterized in that: A protective shell (19) is fixed to one side of the support base (1), and the protective shell (19) covers the area where the micro motor (7) is located.

8. A torsion spring clamp with a locking mechanism as described in claim 7, characterized in that: A rubber pad (20) is fixedly installed on the side of the clamping plate (5) used to clamp the workpiece.

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