Clamping device for thread machining of high-strength bolt

Abstract

The utility model relates to the technical field of bolt thread machining, and discloses a high-strength material clamping device for bolt thread machining, which comprises a supporting bottom plate, a material clamping adjusting mechanism is arranged at the top of the supporting bottom plate, and the material clamping adjusting mechanism comprises a rotating block, a rectangular groove, a bidirectional motor, a screw rod, a screw hole block, a V-shaped clamping block, a supporting frame, a screw rod and a screw rod sliding block. The rectangular groove is formed in the front face of the rotating block, and the bidirectional motor is fixedly installed in the rectangular groove. The V-shaped clamping block is used for clamping and fixing a bolt needing to be machined, can be suitable for clamping and fixing bolts with different diameters, and has good universality, and the lifting block and all parts on the lifting block are lifted, so that height adjustment can be carried out according to actual machining requirements, and the machining efficiency is improved. The bolt can be always located at the optimal position in the machining process, and it can be guaranteed that the relative position of a machining tool and the bolt is accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt thread processing, in particular to a material clamping device for high-strength bolt thread processing. Background Technique

[0002] Bolt thread processing refers to the process of making spiral protrusions and grooves on the outer surface of a bolt by means of cutting, rolling, extrusion, etc.

[0003] According to a material clamping device for high-strength bolt thread processing disclosed in a Chinese patent with the publication number "CN219254388U", belonging to the technical field of thread processing, aiming at the problems that bolts in the prior art are not convenient to restrict movement and the rolling thread length is not convenient to control during thread rolling treatment, including a clamping sleeve, a translation chute is opened on the upper surface of the clamping sleeve, a rotating ring is fixed at one end of the clamping sleeve, a receiving seat is arranged outside the rotating ring, and an anti-movement mechanism is arranged on the surface of the clamping sleeve. The anti-movement mechanism includes a translation slider, a first locking nut sleeve and a first locking screw. The translation slider is slidably connected in the translation chute of the clamping sleeve; through the arranged anti-movement mechanism, the utility model can not affect the thread rolling treatment while restricting the displacement of the original bolt workpiece. The rotation of the original bolt workpiece realized through the cooperation of the clamping sleeve, the rotating ring and the receiving seat is more stable, and the original bolt workpiece is clamped from the workpiece clamping port, which can reduce the hidden danger of personal injury. When the above device is in use, no adjustment structure is provided, it can only adapt to bolts with a specific diameter, and the versatility is poor. Moreover, it is not convenient to adjust the height, resulting in difficulty in accurately controlling the relative position between the processing tool and the bolt, affecting the processing accuracy. Therefore, a material clamping device for high-strength bolt thread processing is proposed to solve the above-mentioned problems. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a material clamping device for high-strength bolt thread processing aiming at the deficiencies in the above-mentioned prior art.

[0005] To solve the above technical problems, the technical solution adopted by the present utility model is as follows: A material clamping device for high-strength bolt thread processing, including a support base plate, a material clamping adjustment mechanism is arranged on the top of the support base plate, the material clamping adjustment mechanism includes a rotating block, a rectangular groove, a bidirectional motor, a screw rod, a screw hole block, a V-shaped clamping block, a support frame, a lead screw, and a lead screw slider. The rectangular groove is opened on the front of the rotating block, the bidirectional motor is fixedly installed inside the rectangular groove, one end of the screw rod is rotatably connected to the inner wall of the rectangular groove through a bearing, the other end of the screw rod is fixedly connected to the output end of the bidirectional motor, the screw hole block is threadedly sleeved on the outer wall of the screw rod and slidably connected to the outer wall of the screw rod, the V-shaped clamping block is fixedly connected to the screw hole block, the support frame is fixedly installed on the support base plate, a lifting groove is opened on the support frame, one end of the lead screw is rotatably connected to the top of the inner wall of the lifting groove through a bearing, and the lead screw slider is threadedly sleeved on the outer wall of the lead screw and slidably connected to the inner wall of the lifting groove.

[0006] Preferably, the material clamping adjustment mechanism further includes a synchronous pulley group, and the synchronous pulley group is fixedly sleeved on the outer wall of the bottom end of the lead screw. Through this preference, the synchronous pulley group rotates, and under the transmission connection of the synchronous belt, the two lead screws rotate synchronously.

[0007] Preferably, the material clamping adjustment mechanism further includes a motor two, and the motor two is fixedly installed at the bottom of the inner wall of the lifting groove, and the output end of the motor two is fixedly connected to the bottom end of the lead screw. Through this preference, by starting the motor two, the output end of the motor two drives the fixedly connected lead screw to rotate.

[0008] Preferably, a rotating mechanism is further arranged on the top of the support base plate, the rotating mechanism includes a lifting block and a rotating limit groove, the lifting block is fixedly connected to the lead screw slider, the rotating limit groove is opened on the lifting block, and the rotating block is rotatably connected to the inner wall of the rotating limit groove. Through this preference, the rotating block and all components on the rotating block rotate on the inner wall of the rotating limit groove.

[0009] Preferably, the rotating mechanism further includes a worm gear ring, a worm, and a support plate. The worm gear ring is fixedly sleeved on the outer wall of the rotating block, the worm is meshed with the worm gear ring, the support plate is fixedly installed on the lifting block, and one end of the worm is rotatably connected to the support plate through a bearing. Through this preference, the worm rotates, thereby driving the worm gear ring meshed with the outer wall of the worm to rotate.

[0010] Preferably, the rotating mechanism further includes a motor three, and the motor three is fixedly installed on the lifting block, and the output end of the motor three is fixedly connected to the other end of the worm. Through this preference, by starting the motor three, the output end of the motor three drives the fixedly connected worm to rotate.

[0011] The present utility model adopts the above technical solution, and can bring the following beneficial effects:

[0012] 1. The clamping device for high-strength bolt thread processing, through the combined action of a rotating block, a rectangular groove, a bidirectional motor, a screw rod, a screw hole block, a V-shaped clamping block, a support frame, a lead screw, a lead screw slider, a synchronous belt pulley set, and a second motor, the V-shaped clamping block clamps and fixes the bolt to be processed, can adapt to bolts of different diameters for clamping and fixing, has good versatility, the lifting block and all components on the lifting block are lifted, so that the height can be adjusted according to actual processing requirements, and the bolt can always be in the best position during processing, ensuring that the relative position between the processing tool and the bolt is accurate.

[0013] 2. The clamping device for high-strength bolt thread processing, through the combined action of a lifting block, a rotating limit groove, a worm gear ring, a worm, a support plate, and a third motor, the rotating block and all components on the rotating block rotate on the inner wall of the rotating limit groove, so that the bolt can be driven to rotate, facilitating subsequent processing. The worm gear ring and worm drive have the characteristics of smoothness and low noise. When driving the bolt to rotate, vibration and impact can be reduced, avoiding processing errors caused by vibration. Brief Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of the present utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the rectangular groove of the present utility model;

[0016] Figure 3 It is a schematic diagram of the rotating limit groove structure of the present utility model;

[0017] Figure 4 It is a schematic diagram of the back view sectional structure of the support frame of the present utility model.

[0018] In the figure: 1. Support bottom plate; 21. Clamping adjustment mechanism; 211. Rotating block; 212. Rectangular groove; 213. Bidirectional motor; 214. Screw rod; 215. Screw hole block; 216. V-shaped clamping block; 217. Support frame; 218. Lead screw; 219. Lead screw slider; 220. Synchronous belt pulley set; 221. Second motor; 31. Rotating mechanism; 311. Lifting block; 312. Rotating limit groove; 313. Worm gear ring; 314. Worm; 315. Support plate; 316. Third motor. Detailed Embodiments

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model.

[0021] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "setting" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0023] Please refer to Figures 1-4, an embodiment of the present utility model is: a clamping device for high-strength bolt thread processing, including a support base plate 1. A clamping adjustment mechanism 21 is arranged on the top of the support base plate 1. The clamping adjustment mechanism 21 includes a rotating block 211, a rectangular groove 212, a bidirectional motor 213, a screw rod 214, a screw hole block 215, a V-shaped clamping block 216, a support frame 217, a lead screw 218, and a lead screw slider 219. The rectangular groove 212 is opened on the front of the rotating block 211. The bidirectional motor 213 is fixedly installed inside the rectangular groove 212. One end of the screw rod 214 is rotatably connected to the inner wall of the rectangular groove 212 through a bearing, and the other end of the screw rod 214 is fixedly connected to the output end of the bidirectional motor 213. The screw hole block 215 is threadedly sleeved on the outer wall of the screw rod 214 and slidably connected to the outer wall of the screw rod 214. The V-shaped clamping block 216 is fixedly connected to the screw hole block 215. The support frame 217 is fixedly installed on the support base plate 1. A lifting groove is opened on the support frame 217. One end of the lead screw 218 is rotatably connected to the top of the inner wall of the lifting groove through a bearing. The lead screw slider 219 is threadedly sleeved on the outer wall of the lead screw 218 and slidably connected to the inner wall of the lifting groove. The clamping adjustment mechanism 21 further includes a synchronous pulley set 220, and the synchronous pulley set 220 is fixedly sleeved on the outer wall of the bottom end of the lead screw 218. The clamping adjustment mechanism 21 further includes a motor two 221, and the motor two 221 is fixedly installed at the bottom of the inner wall of the lifting groove. The output end of the motor two 221 is fixedly connected to the bottom end of the lead screw 218;

[0024] Working principle: By placing one end of the bolt to be processed between the two V-shaped clamping blocks 216, and starting the bidirectional motor 213, the output end of the bidirectional motor 213 drives the fixedly connected screw rod 214 to rotate, thereby driving the screw hole block 215 threadedly sleeved on the outer wall of the screw rod 214 to move on the inner wall of the rectangular groove 212, and then the V-shaped clamping block 216 can be driven to clamp and fix the bolt to be processed, which can adapt to bolts of different diameters for clamping and fixing, and has good versatility. By starting the motor two 221, the output end of the motor two 221 drives the fixedly connected one lead screw 218 to rotate, thereby driving the synchronous pulley set 220 fixedly sleeved on the outer wall of the lead screw 218 to rotate. Under the transmission connection of the synchronous belt, the two lead screws 218 rotate synchronously, so that the lead screw sliders 219 threadedly sleeved on the outer walls of the two lead screws 218 rise and fall on the inner wall of the lifting groove. The lead screw slider 219 drives the fixedly connected lifting block 311 and all the components on the lifting block 311 to rise and fall, so as to adjust the height according to the actual processing requirements, and can ensure that the bolt is always in the best position during the processing, and can ensure that the relative position between the processing tool and the bolt is accurate.

[0025] Please refer to Figures 1-4, on the basis of the above embodiments, in another embodiment of the present utility model, a rotating mechanism 31 is further provided on the top of the supporting base plate 1. The rotating mechanism 31 includes a lifting block 311 and a rotating limiting groove 312. The lifting block 311 is fixedly connected to the screw rod slider 219. The rotating limiting groove 312 is formed on the lifting block 311. The rotating block 211 is rotatably connected to the inner wall of the rotating limiting groove 312. The rotating mechanism 31 further includes a worm gear ring 313, a worm 314, and a supporting plate 315. The worm gear ring 313 is fixedly sleeved on the outer wall of the rotating block 211. The worm 314 is meshed with the worm gear ring 313. The supporting plate 315 is fixedly installed on the lifting block 311. One end of the worm 314 is rotatably connected to the supporting plate 315 through a bearing. The rotating mechanism 31 further includes a motor three 316. The motor three 316 is fixedly installed on the lifting block 311. The output end of the motor three 316 is fixedly connected to the other end of the worm 314.

[0026] Working principle: By starting the motor three 316, the output end of the motor three 316 drives the fixedly connected worm 314 to rotate, thereby driving the worm gear ring 313 meshed with the outer wall of the worm 314 to rotate, and then driving the rotating block 211 fixedly sleeved on the inner wall of the worm gear ring 313 and all components on the rotating block 211 to rotate on the inner wall of the rotating limiting groove 312, so that the bolt can be driven to rotate, which is convenient for subsequent processing. The transmission of the worm gear ring 313 and the worm 314 has the characteristics of smoothness and low noise. When driving the bolt to rotate, it can reduce vibration and impact, and avoid processing errors caused by vibration.

[0027] It is worth noting that for the convenience of control, control switches are provided on the bidirectional motor 213, the motor two 221, and the motor three 316 in the above embodiments. The control switches can control the bidirectional motor 213, the motor two 221, and the motor three 316 to work. The above are all prior arts and not the main innovation points, so no detailed description will be given here.

[0028] The present utility model provides a clamping device for high-strength bolt thread processing. There are many methods and ways to specifically implement this technical solution. The above description is only the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model. Each component not clearly defined in this embodiment can be realized by the prior art.

Claims

1. A material clamping device for high-strength bolt thread processing, comprising a supporting base plate (1), characterized in that: A material clamping adjustment mechanism (21) is arranged on the top of the support base plate (1), and the material clamping adjustment mechanism (21) comprises a rotating block (211), a rectangular groove (212), a bidirectional motor (213), a screw (214), a screw hole block (215), a V-shaped clamp block (216), a support frame (217), a screw (218), and a screw slider (219), wherein the rectangular groove (212) is provided on the front side of the rotating block (211), the bidirectional motor (213) is fixedly mounted inside the rectangular groove (212), and one end of the screw (214) is rotatably connected to the inner wall of the rectangular groove (212) via a bearing. The other end of the screw rod (214) is fixedly connected to the output end of the bidirectional motor (213); the screw hole block (215) is threadedly sleeved on the outer wall of the screw rod (214) and slidably connected to the outer wall of the screw rod (214); the V-shaped clamp block (216) is fixedly connected to the screw hole block (215); the support frame (217) is fixedly installed on the support base plate (1); a lifting groove is provided on the support frame (217); one end of the screw rod (218) is rotatably connected to the top of the inner wall of the lifting groove through a bearing; and the screw rod slider (219) is threadedly sleeved on the outer wall of the screw rod (218) and slidably connected to the inner wall of the lifting groove.

2. A material clamping device for high-strength bolt thread processing according to claim 1, characterized in that: The material clamping adjustment mechanism (21) further comprises a synchronous pulley set (220), wherein the synchronous pulley set (220) is fixedly sleeved on the outer wall of the bottom end of the screw rod (218).

3. The material clamping device for high-strength bolt thread processing according to claim 1, characterized in that: The material clamping adjustment mechanism (21) further comprises a second motor (221), wherein the second motor (221) is fixedly mounted on the bottom of the inner wall of the lifting slot, and an output end of the second motor (221) is fixedly connected to the bottom end of the screw rod (218).

4. The material clamping device for high-strength bolt thread processing according to claim 1, characterized in that: A rotating mechanism (31) is also provided on the top of the supporting base plate (1), the rotating mechanism (31) comprising a lifting block (311) and a rotating limit groove (312), the lifting block (311) being fixedly connected to the screw slider (219), the rotating limit groove (312) being formed on the lifting block (311), and the rotating block (211) being rotatably connected to the inner wall of the rotating limit groove (312).

5. A material clamping device for high-strength bolt thread processing according to claim 4, characterized in that: The rotating mechanism (31) further comprises a worm wheel ring (313), a worm (314), and a support plate (315); the worm wheel ring (313) is fixedly sleeved on the outer wall of the rotating block (211); the worm (314) is meshingly connected to the worm wheel ring (313); the support plate (315) is fixedly mounted on the lifting block (311); and one end of the worm (314) is rotatably connected to the support plate (315) via a bearing.

6. The material clamping device for high-strength bolt thread processing according to claim 4, characterized in that: The rotating mechanism (31) further comprises a motor three (316), wherein the motor three (316) is fixedly mounted on the lifting block (311), and an output end of the motor three (316) is fixedly connected to the other end of the worm (314).

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