Electric riveting tool with tension detection function

Abstract

The utility model discloses an electric riveting tool with a tension detection function. The electric riveting tool comprises a gun body, a gun head assembly, a power assembly and a transmission assembly, the gun head assembly is arranged at the front end of the gun body, a tension sensor is arranged between the gun head assembly and the gun body, the power assembly is in transmission connection with the transmission assembly, and the transmission assembly is in transmission connection with the gun head assembly. According to the scheme, the tension sensor is arranged to detect tension data in real time, so that the tension is effectively and conveniently controlled, the debugging time is saved, the material loss is reduced, and the device has the characteristics of simplicity in operation, high stability, high applicability and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to rivet tool field, especially a kind of electric riveting tool with tension detection function. BACKGROUND

[0002] The rivet tools currently used in market have no way to accurately control the deformation of rivet and rivet nut after riveting in use, which is easy to pull rivet or rivet nut or rivet out of place. Especially for rivet nut and short tail rivet and other special rivets, because of the control accuracy of machine, it is easy to pull the clamping end of rivet, which is not conducive to subsequent reuse and maintenance. Rivet nut is easy to pull out of the thread or pull the pull rod. And these rivet tools are troublesome to adjust, need to be adjusted corresponding to different rivets or rivet nuts, that is, the specific riveting deformation needs to be tested to determine the specific riveting adjustment value in use, and the adjustment confirmation needs to be done multiple times before each use according to different rivets or rivet nuts, which results in time and material waste. SUMMARY

[0003] Therefore, it is necessary to provide an electric riveting tool capable of detecting tension.

[0004] To achieve the above purpose, the inventor provides an electric riveting tool with tension detection function, comprising: a gun body, a gun head assembly, a power assembly and a transmission assembly.

[0005] The gun head assembly is arranged at the front end of the gun body, and a tension sensor is arranged between the gun head assembly and the gun body. The power assembly is in transmission connection with the transmission assembly, and the transmission assembly is in transmission connection with the gun head assembly.

[0006] As a preferred structure of the utility model, the gun head assembly comprises a clamping jaw and a top sleeve, the clamping jaw is arranged in the top sleeve, the clamping jaw is connected with the transmission assembly, the front end of the gun body is provided with a gun body sleeve, and the tension sensor is arranged between the top sleeve and the gun body sleeve.

[0007] As a preferred structure of the utility model, a connecting sleeve is arranged between the tension sensor and the top sleeve, and the two ends of the connecting sleeve are connected with the tension sensor and the top sleeve respectively.

[0008] As a preferred structure of the utility model, a first fixed screw cap is arranged on the circumferential side of the connecting sleeve at the connecting position of the connecting sleeve and the tension sensor, the connecting sleeve and the tension sensor are connected through the first fixed screw cap, a second fixed screw cap is arranged on the circumferential side of the connecting sleeve at the connecting position of the connecting sleeve and the top sleeve, and the connecting sleeve and the top sleeve are connected through the second fixed screw cap.

[0009] As a preferred structure of the utility model, the transmission assembly includes a lead screw and a ball nut, the ball nut is arranged in the gun body sleeve, the ball nut is sleeved on the lead screw, the ball nut is in transmission connection with the power assembly, and the front end of the lead screw is connected with the clamping jaw.

[0010] As a preferred structure of the utility model, the transmission assembly further includes a connecting sleeve pipe, and the front end of the lead screw and the clamping jaw are connected through the connecting sleeve pipe.

[0011] As a preferred structure of the utility model, one end of the connecting sleeve pipe close to the clamping jaw is provided with external threads, one end of the connecting sleeve pipe close to the lead screw is provided with internal threads, one end of the clamping jaw close to the connecting sleeve pipe is provided with internal threads, one end of the lead screw close to the connecting sleeve pipe is provided with external threads, and the two ends of the connecting sleeve pipe are connected with the clamping jaw and the lead screw through threads respectively.

[0012] As a preferred structure of the utility model, the power assembly includes a motor and a speed reducer, the motor is in transmission connection with the speed reducer and is arranged in the gun body, and the speed reducer is in transmission connection with the ball nut.

[0013] As a preferred structure of the utility model, a gear is arranged on the outer periphery side of the ball nut, and the gear is in transmission connection with the output end of the speed reducer.

[0014] As a preferred structure of the utility model, a guide groove is arranged in the gun body at the rear end of the lead screw, and the lead screw is in sliding connection with the guide groove through a sliding rod.

[0015] As a preferred structure of the utility model, a nail collecting box is arranged at the rear end of the gun body, and the nail collecting box is in communication with the rear end of the lead screw through a guide pipe.

[0016] As a preferred structure of the utility model, an MCU system circuit is arranged in the gun body, the MCU system circuit stores a plurality of pull-riveting data of rivets and rivet nuts that need to be pulled riveted and corresponding two-dimensional codes or bar codes, and the MCU system circuit is electrically connected with the power assembly and / or the tension sensor.

[0017] As a preferred structure of the utility model, an MCU system circuit is arranged in the gun body, a code scanner is arranged on the outer wall of the gun body, the code scanner is connected with the MCU system circuit, and the MCU system circuit is electrically connected with the power assembly and / or the tension sensor.

[0018] As a preferred structure of the utility model, a display screen is fixedly arranged on the outer wall of the gun body, and the display screen is electrically connected with the MCU system circuit.

[0019] As a preferred structure of the utility model, still include the heat dissipation fan, the heat dissipation fan is connected with power component transmission, and the gun body is set up with the heat dissipation hole on the gun body of the heat dissipation fan air outlet.

[0020] As a preferred structure of the utility model, the power component includes battery pack, and the gun body is further provided with a battery pack mounting groove connected with the battery pack.

[0021] Distinguish from prior art, the beneficial effect reached by the above technical scheme has: the rivet pulling tool is provided with a tension sensor, realizes real-time detection of tension data, and is provided with a code scanner, so that the corresponding rivet pulling program can be directly performed without trial adjustment operation, thereby effectively facilitating control of tension, saving debugging time and reducing material loss, and the operation is simple, stable and highly applicable. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The whole structure schematic diagram of the electric riveting tool with tension detection function is described in the specific embodiment.

[0023] Figure 2 The internal structure schematic diagram of the electric riveting tool with tension detection function is described in the specific embodiment. Figure 1 ;

[0024] Figure 3 The internal structure schematic diagram of the electric riveting tool with tension detection function is described in the specific embodiment. Figure 2 ;

[0025] Figure 4 The sectional view of the electric riveting tool with tension detection function is described in the specific embodiment.

[0026] Figure 5 The battery pack mounting groove structure schematic diagram is described in the specific embodiment.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 101, gun body; 102, gun body sleeve; 103, heat dissipation fan; 104, heat dissipation hole; 105, display screen; 106, MCU system circuit; 107, battery pack mounting groove; 108, nail collecting box; 109, guide pipe; 110, code scanner; 201, clamping jaw; 202, top sleeve; 301, lead screw; 302, ball nut; 303, gear; 304, connecting sleeve; 305, guide groove; 306, sliding rod; 401, motor; 402, speed reducer; 403, battery pack; 501, tension sensor; 502, connecting sleeve; 503, first fixed screw cap; 504, second fixed screw cap. DETAILED DESCRIPTION

[0029] In order to describe the technical content, structural features, purposes and effects of the technical solutions in detail, the following will be described in detail in combination with specific embodiments and with reference to the drawings.

[0030] As shown in Figure 1 and Figure 4 , the embodiment provides an electric riveting tool with tension detection function, comprising: a gun body 101, a gun head assembly, a power assembly and a transmission assembly; the gun head assembly is arranged at the front end of the gun body, a tension sensor 501 is arranged between the gun head assembly and the gun body, the power assembly is in transmission connection with the transmission assembly, and the transmission assembly is in transmission connection with the gun head assembly. In the specific implementation process of the embodiment, when the riveting tool is used to pull rivets such as pull rivet nuts and short tail rivets, the front end of the gun head assembly will be stressed, so as to be transmitted to the tension sensor, and the stress condition of the pull riveting tool can be detected in real time through the tension sensor, so as to avoid damaging or breaking the rivet, save the debugging time, reduce the material loss, facilitate the operation in the operation process, have high stability and strong adaptability.

[0031] As shown in Figure 1 , Figure 2 and Figure 4 , in the embodiment, the gun head assembly comprises a clamping jaw 201 and a top sleeve 202, the clamping jaw 201 is arranged in the top sleeve 202, the clamping jaw 201 is connected with the transmission assembly, and the transmission assembly can drive the clamping jaw to move when the transmission assembly works, so as to realize clamping and loosening of the rivet. The front end of the gun body is provided with a gun body sleeve 102, and the tension sensor 501 is arranged between the top sleeve 202 and the gun body sleeve 102. After the rivet is clamped, the transmission assembly works to drive the clamping jaw to retract into the top sleeve. Under the limitation of the top sleeve, the clamping jaw starts to close and clamps the rivet to pull the rivet backward, so as to realize the pull riveting operation. In this process, the front end of the top sleeve will contact the rivet sleeve and be stressed, and the stress is transmitted to the tension sensor, so as to realize tension detection. After the pull riveting is completed, the power assembly drives the transmission assembly to reverse, so that the clamping jaw extends out of the top sleeve and releases the rivet, thereby completing the entire pull riveting operation.

[0032] As shown in Figure 2 and Figure 4 , in the embodiment, a connecting sleeve is further arranged between the tension sensor and the top sleeve, and the two ends of the connecting sleeve are connected with the tension sensor and the top sleeve respectively. Specifically, a first fixed screw cap is arranged on the side sleeve at the connecting position of the connecting sleeve and the tension sensor, the connecting sleeve and the tension sensor are connected through the first fixed screw cap, and a second fixed screw cap is arranged on the side sleeve at the connecting position of the connecting sleeve and the top sleeve, and the connecting sleeve and the top sleeve are connected through the second fixed screw cap. In the embodiment, the top sleeve transmits the stress to the connecting sleeve after being stressed in the pull riveting process, and the connecting sleeve transmits the stress to the tension sensor.

[0033] As shown in Figure 3 and Figure 4As shown, in the above embodiment, the transmission assembly includes a lead screw 301 and a ball nut 302. The ball nut 302 is disposed inside the gun body sleeve 102 and is sleeved on the lead screw 301. The ball nut 302 is connected to the power assembly for transmission, and the front end of the lead screw 301 is connected to the gripper 201. In this embodiment, the power assembly drives the ball nut 302, thereby driving the lead screw 301 to move, realizing the forward and backward movement of the gripper.

[0034] like Figure 2 , Figure 3 and Figure 4 As shown, in the above embodiment, the power assembly includes a motor 401 and a reducer 402. The motor 401 is connected to the reducer 402 and is located inside the gun body. The reducer 402 is connected to the ball nut 302. Specifically, a gear 303 is provided on the outer periphery of the ball nut 302, and the gear 303 is connected to the output end of the reducer 402.

[0035] like Figure 3 and Figure 4 As shown, in the above embodiment, the transmission assembly further includes a connecting sleeve 304, and the front end of the lead screw 301 and the rear end of the gripper 201 are connected through the connecting sleeve 304. In this embodiment, the end of the connecting sleeve 304 near the gripper 201 is provided with an external thread, the end of the connecting sleeve near the lead screw is provided with an internal thread, the end of the gripper near the connecting sleeve is provided with an internal thread, and the end of the lead screw near the connecting sleeve is provided with an external thread. The two ends of the connecting sleeve 304 are respectively connected to the gripper 201 and the lead screw 301 through threads.

[0036] like Figure 3 As shown, in some embodiments, a guide groove 305 is provided in the gun body located at the rear end of the lead screw. The lead screw is slidably connected to the guide groove 305 through a slide rod 306. The arrangement of the guide groove 305 and the slide rod 306 can effectively ensure the movement direction and stability of the lead screw. A nail collection box 108 is provided at the rear end of the gun body. The nail collection box is connected to the rear end of the lead screw through a conduit 109.

[0037] like Figures 1 to 3 As shown, in some embodiments, the riveting tool further includes a cooling fan 103, which is connected to the motor of the power assembly. A heat dissipation hole 104 is provided on the gun body located at the air outlet of the cooling fan 103. For example... Figure 1 and Figure 5 As shown, the power unit includes a battery pack, and the gun body also has a battery pack mounting slot 107, which is connected to the battery pack 403. The battery pack provides power to this riveting tool and is connected to the power unit.

[0038] In addition, such as Figure 4As shown, the gun body is provided with an MCU system circuit 106, the storage module of the MCU system circuit 106 stores a plurality of types of pull rivet data of pull rivet rivets and rivet nuts, and corresponding two-dimensional codes or bar codes, and the MCU system circuit is electrically connected with the power assembly and / or the tension sensor. In different embodiments, the gun body is provided with an MCU system circuit, a code scanner is arranged on the outer wall of the gun body, the code scanner is connected with the MCU system circuit, and the MCU system circuit is electrically connected with the power assembly and / or the tension sensor. That is, in the above embodiment, the applicable rivet information is identified by the two-dimensional code scanner, and is transmitted to the MCU system circuit for analysis and to give corresponding pull rivet data and programs, a display screen is fixedly arranged on the outer wall of the gun body, the display screen is electrically connected with the MCU system circuit, the information after scanning can be fed back to the corresponding pull rivet program and displayed on the display screen, and the information can be clicked and saved on the display screen to start pull riveting controlled by the power assembly; the riveting tool of the embodiment can automatically provide the pull riveting control program according to the identified information. The long debugging time and material waste of other riveting tools can be effectively saved.

[0039] It should be noted that although the above embodiments have been described in this paper, the patent protection scope of the utility model is not limited thereby. Therefore, based on the innovative concept of the utility model, the changes and modifications of the embodiments described in this paper, or the equivalent structure or equivalent process transformation made by using the contents of the utility model specification and drawings, directly or indirectly apply the above technical solutions to other related technical fields, are all included in the patent protection scope of the utility model.

Claims

1. An electric riveting tool with tensile force detection function, characterized in that, The application relates to a gun body, a gun head assembly, a power assembly and a transmission assembly. The gun head assembly is arranged at the front end of the gun body, a tension sensor is arranged between the gun head assembly and the gun body, the power assembly is in transmission connection with the transmission assembly, and the transmission assembly is in transmission connection with the gun head assembly. The gun head assembly comprises a clamping jaw and a top sleeve, the clamping jaw is arranged in the top sleeve, the clamping jaw is connected with the transmission assembly, the front end of the gun body is provided with a gun body sleeve, and the tension sensor is arranged between the top sleeve and the gun body sleeve. A connecting sleeve is arranged between the tension sensor and the top sleeve, and the two ends of the connecting sleeve are connected with the tension sensor and the top sleeve respectively. A first fixed screw cap is arranged on the circumferential side of the connecting sleeve at the connecting position of the connecting sleeve and the tension sensor, the connecting sleeve and the tension sensor are connected through the first fixed screw cap, a second fixed screw cap is arranged on the circumferential side of the connecting sleeve at the connecting position of the connecting sleeve and the top sleeve, and the connecting sleeve and the top sleeve are connected through the second fixed screw cap.

2. The electric riveting tool with a tension detection function according to claim 1, characterized by: The transmission assembly comprises a lead screw and a ball nut, the ball nut is arranged in the gun body sleeve, the ball nut is sleeved on the lead screw, the ball nut is in transmission connection with the power assembly, and the front end of the lead screw is connected with the clamping jaw.

3. The electric riveting tool having a tension detection function according to claim 1, characterized by: The transmission assembly further comprises a connecting sleeve pipe, and the front end of the lead screw and the clamping jaw are connected through the connecting sleeve pipe.

4. The electric riveting tool having a tension detection function according to claim 3, characterized by: One end of the connecting sleeve pipe close to the clamping jaw is provided with external threads, one end of the connecting sleeve pipe close to the lead screw is provided with internal threads, one end of the clamping jaw close to the connecting sleeve pipe is provided with internal threads, one end of the lead screw close to the connecting sleeve pipe is provided with external threads, and the two ends of the connecting sleeve pipe are connected with the clamping jaw and the lead screw through threads respectively.

5. The electric rivet tool with a tension detection function according to claim 4, characterized by: The power assembly comprises a motor and a speed reducer, the motor is in transmission connection with the speed reducer and is arranged in the gun body, and the speed reducer is in transmission connection with the ball nut.

6. The electric rivet tool with a tension detection function according to claim 3, characterized by: The outer circumferential side of the ball nut is provided with a gear, and the gear is in transmission connection with the output end of the speed reducer.

7. The electric rivet tool with a tension detection function according to claim 6, characterized by: A guide groove is arranged in the gun body at the rear end of the lead screw, and the lead screw is in sliding connection with the guide groove through a sliding rod.

8. The electric rivet tool with a tension detection function according to claim 3, characterized by: The rear end of the gun body is provided with a nail collecting box, and the nail collecting box is in communication with the rear end of the lead screw through a guide pipe.

9. The electric rivet tool with a tension detection function according to claim 3, characterized by: An MCU system circuit is arranged in the gun body, the MCU system circuit stores a plurality of pull-riveting data of pull-riveting rivets and rivet nuts and corresponding two-dimensional codes or bar codes, and the MCU system circuit is electrically connected with the power assembly and / or the tension sensor.

10. The electric rivet tool with a tension detection function according to claim 1, characterized by: An MCU system circuit is arranged in the gun body, a code scanner is arranged on the outer wall of the gun body, the code scanner is connected with the MCU system circuit, and the MCU system circuit is electrically connected with the power assembly and / or the tension sensor.

11. The electric rivet tool with a tension detection function according to claim 1, characterized by: A display screen is fixedly arranged on the outer wall of the gun body, and the display screen is electrically connected with the MCU system circuit.

12. The electric rivet tool with a tension detection function according to claim 10 or 11, characterized by: A heat dissipation fan is further arranged, the heat dissipation fan is in transmission connection with the power assembly, and a heat dissipation hole is arranged on the gun body at the air outlet of the heat dissipation fan.

13. The electric rivet tool with a tension detection function according to any one of claims 1 to 11, characterized in that: The power assembly comprises a battery pack, the gun body is further provided with a battery pack mounting groove, and the battery pack mounting groove is connected with the battery pack.

14. The electric rivet tool with a tension detection function according to any one of claims 1 to 11, characterized in that: ​

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