A gun head opening and closing mechanism of a stud gun
By using a motor-driven adjustment mechanism and an electric telescopic rod-driven fine-tuning mechanism, the problem of traditional rivet guns being unable to handle rivets of different sizes has been solved, achieving stable clamping of rivets of different sizes and expanding the application range.
Patent Information
- Application Number
- CN202520255552.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The traditional rivet gun's head opening and closing mechanism cannot meet the clamping requirements of rivets of different sizes, limiting its application in diverse work scenarios.
The system employs a motor-driven adjustment mechanism and an electric telescopic rod-driven fine-tuning mechanism. Through gear plates and threaded connections, it achieves clamping and adjustment of rivets of different sizes. This includes the motor driving the crankshaft and connecting rod to move, and the fine-tuning mechanism adjusting the clamping position by driving the gears and threaded cylinder through the electric telescopic rod.
It enables flexible clamping of rivets of different sizes, expands the application range of rivet guns, and improves work efficiency and quality.
Smart Images

Figure CN223603375U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rivet gun technical field, concretely is a gun head of a kind of rivet gun opening and closing mechanism. BACKGROUND
[0002] Rivet gun is also called rivet gun, it is a kind of tool to rivet, in industrial production, building decoration and many other fields have indispensable effect.Rivet gun when operating, first need to be closed by upper and lower jaw, rivet clamping can be carried out, then rivet can be riveted, finally rivet is released.The whole operation process seems simple, but the performance of gun head opening and closing mechanism is good or bad, which has a crucial influence on work efficiency and quality.
[0003] According to the patent document: CN221209758U discloses a kind of gun head of a kind of rivet gun opening and closing mechanism, including guide seat, the bottom of guide seat is fixedly installed with support seat, guide seat is installed with opening and closing component, opening and closing component is connected with the output end of gun body;Opening and closing component includes fixed seat, pivot, opening and closing piece and driving piece;Fixed seat is fixedly installed in the inner side of guide seat, pivot penetrates fixed seat, and pivot is rotatably connected with fixed seat, opening and closing piece is installed on pivot, driving piece is installed in the inner side of guide seat.The utility model can realize the quick import and clamping of rivet, effectively avoid the problem of dropping nail.
[0004] At present, the traditional gun head opening and closing mechanism, in the daily use process, generally adopts pneumatic mode to control gun head opening and closing, this mode has great limitation.Due to its inability to clamp parts of different sizes, rivet gun appears to be not up to the task when facing diversified working scenarios.For example, in electronic equipment manufacturing, various micro rivets are used, while in large-scale mechanical manufacturing or building steel structure connection, large-size rivets are needed.The traditional pneumatic control gun head opening and closing mechanism is difficult to meet the clamping needs of rivets of different sizes, thereby difficult to meet the use requirements, limiting the application range of rivet gun. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of gun head of rivet gun opening and closing mechanism, to solve the above background technique proposed currently traditional gun head opening and closing mechanism, in the daily use process, generally adopts pneumatic mode to control gun head opening and closing, this mode has great limitation.Due to its inability to clamp parts of different sizes, rivet gun appears to be not up to the task when facing diversified working scenarios.For example, in electronic equipment manufacturing, various micro rivets are used, while in large-scale mechanical manufacturing or building steel structure connection, large-size rivets are needed.The traditional pneumatic control gun head opening and closing mechanism is difficult to meet the clamping needs of rivets of different sizes, thereby difficult to meet the use requirements, limiting the application range of rivet gun problem.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a gun head opening and closing mechanism of a stud gun, including connecting seat, one side of connecting seat is provided with adjusting mechanism, adjusting mechanism includes motor, the output fixedly connected with crank axle of motor, the surface of crank axle is movably connected with connecting rod, one side of connecting rod is fixedly connected with rectangular block, the top and bottom of rectangular block all are fixedly connected with first toothed plate, one side of first toothed plate is meshed with first gear, one side of first gear is fixedly connected with rotating shaft, one side of rotating shaft is fixedly connected with rotating lever.
[0007] Preferably, the other side of the connecting seat is provided with a fine adjustment mechanism, the fine adjustment mechanism comprises an opening and closing block, one side of the opening and closing block is fixedly connected with the rotating lever, the other side of the opening and closing block is fixedly connected with a fixed rod, one side of the fixed rod is fixedly connected with an electric telescopic rod, one side of the electric telescopic rod is fixedly connected with an arc-shaped rod, one side of the arc-shaped rod is fixedly connected with a second toothed plate, one side of the second toothed plate is meshed with a second gear, one side of the second gear is fixedly connected with a threaded cylinder, one side of the threaded cylinder is threadedly connected with a lead screw, one side of the lead screw is fixedly connected with an adjusting plate.
[0008] Preferably, one side of the motor is fixedly connected with a fixed seat, and one side of the fixed seat is fixedly connected with the connecting seat.
[0009] Preferably, the inner cavity of the rectangular block is slidably connected with a prism, and one side of the prism is fixedly connected with the connecting seat.
[0010] Preferably, one side of the connecting rod is provided with a movable groove, and the bottom of the connecting seat is fixedly connected with a supporting seat.
[0011] Preferably, one side of the adjusting plate is fixedly connected with a sliding rod, and the surface of the sliding rod is slidably connected with the opening and closing block.
[0012] Preferably, the surface of the threaded cylinder is movably connected with the opening and closing block through a bearing, and the inner surface of the opening and closing block is provided with a movable hole.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. By setting the adjusting mechanism, starting the motor, rotating the crank shaft through the motor, driving the connecting rod to move through the crank shaft, driving the rectangular block to move through the connecting rod, driving the first toothed plate to move through the rectangular block, driving the first gear to rotate through the first toothed plate, driving the rotating shaft to rotate through the first gear, and driving the rotating lever to rotate through the rotating shaft, thereby controlling the distance between the two opening and closing blocks.
[0015] 2、By setting the fine adjustment mechanism, when fine adjustment is needed, start the electric telescopic rod, move the arc-shaped rod through the electric telescopic rod, the arc-shaped rod drives the second gear plate to move, the second gear plate drives the second gear to rotate, the second gear drives the threaded cylinder to rotate, the threaded cylinder drives the lead screw to move, the lead screw drives the adjusting plate to move, that is, the position of the adjusting plate can be fine adjusted, so that different sizes of materials are clamped conveniently. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model;
[0017] Figure 2 It is a local three-dimensional structural schematic view of the adjusting mechanism of the utility model;
[0018] Figure 3 It is a local three-dimensional structural schematic view of the fine adjustment mechanism of the utility model;
[0019] Figure 4 It is a local structural schematic view of the utility model.
[0020] In the drawing: 1, connecting seat; 2, adjusting mechanism; 201, fixed seat; 202, motor; 203, crankshaft; 204, connecting rod; 205, rectangular block; 206, prism; 207, first gear plate; 208, first gear; 209, rotating shaft; 210, rotating rod; 3, fine adjustment mechanism; 301, opening and closing block; 302, fixed rod; 303, electric telescopic rod; 304, arc-shaped rod; 305, second gear plate; 306, second gear; 307, threaded cylinder; 308, lead screw; 309, adjusting plate; 310, sliding rod; 4, supporting seat. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figure 1 and Figure 2The utility model provides a kind of technical scheme: a gun head opening and closing mechanism of stud gun, including connecting seat 1, the side of connecting seat 1 is provided with adjusting mechanism 2, adjusting mechanism 2 includes motor 202, the output of motor 202 is fixedly connected with crank axle 203, the surface of crank axle 203 is movably connected with connecting rod 204, the side of connecting rod 204 is fixedly connected with rectangular block 205, the top and bottom of rectangular block 205 are fixedly connected with first toothed plate 207, the side of first toothed plate 207 is engaged with first gear 208, the side of first gear 208 is fixedly connected with rotating shaft 209, the side of rotating shaft 209 is fixedly connected with rotating rod 210, by setting adjusting mechanism 2, starting motor 202, rotating is driven by motor 202 to crank axle 203, connecting rod 204 is driven by crank axle 203 to move, connecting rod 204 is driven by rectangular block 205 to move, rectangular block 205 is driven by first toothed plate 207 to move, first toothed plate 207 is driven by first gear 208 to rotate, first gear 208 is driven by rotating shaft 209 to rotate, rotating shaft 209 is driven by rotating rod 210 to rotate, to control the distance between two opening and closing blocks 301;The side of motor 202 is fixedly connected with fixed seat 201, the side of fixed seat 201 is fixedly connected with connecting seat 1, by setting fixed seat 201, the work of motor 202 is stabilized, and motor 202 is positioned;The inner chamber of rectangular block 205 is slidably connected with prism 206, the side of prism 206 is fixedly connected with connecting seat 1, by setting prism 206, the work of rectangular block 205 is stabilized, so that first gear 208 works stably;The side of connecting rod 204 is provided with movable slot, the bottom of connecting seat 1 is fixedly connected with support seat 4, by setting movable slot, it is convenient for crank axle 203 to drive connecting rod 204 to move, to facilitate adjustment work.
[0023] Please refer to Figure 1 、 Figure 3 and Figure 4The other side of the connecting seat 1 is provided with a fine adjustment mechanism 3, the fine adjustment mechanism 3 comprises a clamping block 301, one side of the clamping block 301 is fixedly connected with the rotating rod 210, the other side of the clamping block 301 is fixedly connected with a fixed rod 302, one side of the fixed rod 302 is fixedly connected with an electric telescopic rod 303, one side of the electric telescopic rod 303 is fixedly connected with an arc-shaped rod 304, one side of the arc-shaped rod 304 is fixedly connected with a second gear plate 305, one side of the second gear plate 305 is engaged with a second gear 306, one side of the second gear 306 is fixedly connected with a threaded cylinder 307, one side of the threaded cylinder 307 is threadedly connected with a lead screw 308, one side of the lead screw 308 is fixedly connected with an adjusting plate 309, by arranging the fine adjustment mechanism 3, when fine adjustment is needed, the electric telescopic rod 303 is started, the arc-shaped rod 304 is driven to move by the electric telescopic rod 303, the second gear plate 305 is driven to move by the arc-shaped rod 304, the second gear 306 is driven to rotate by the second gear plate 305, the threaded cylinder 307 is driven to rotate by the second gear 306, the lead screw 308 is driven to move by the threaded cylinder 307, and the adjusting plate 309 is driven to move by the lead screw 308, that is, the position of the adjusting plate 309 can be fine adjusted, so that different sizes of materials are conveniently clamped.
[0024] Working principle: by arranging the adjusting mechanism 2, the motor 202 is started, the crank shaft 203 is driven to rotate by the motor 202, the connecting rod 204 is driven to move by the crank shaft 203, the rectangular block 205 is driven to move by the connecting rod 204, the first gear plate 207 is driven to move by the rectangular block 205, the first gear 208 is driven to rotate by the first gear plate 207, the rotating shaft 209 is driven to rotate by the first gear 208, and the rotating rod 210 is driven to rotate by the rotating shaft 209, so as to control the distance between the two clamping blocks 301.
[0025] By arranging the fine adjustment mechanism 3, when fine adjustment is needed, the electric telescopic rod 303 is started, the arc-shaped rod 304 is driven to move by the electric telescopic rod 303, the second gear plate 305 is driven to move by the arc-shaped rod 304, the second gear 306 is driven to rotate by the second gear plate 305, the threaded cylinder 307 is driven to rotate by the second gear 306, the lead screw 308 is driven to move by the threaded cylinder 307, and the adjusting plate 309 is driven to move by the lead screw 308, that is, the position of the adjusting plate 309 can be fine adjusted, so that different sizes of materials are conveniently clamped.
[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A collet opening mechanism for a fastener gun, comprising: The utility model provides a kind of adjustable connection seat, including connecting seat (1), one side of the connecting seat (1) is provided with adjusting mechanism (2), the adjusting mechanism (2) includes motor (202), the output of the motor (202) is fixedly connected with crank shaft (203), the surface of the crank shaft (203) is movably connected with connecting rod (204), one side of the connecting rod (204) is fixedly connected with rectangular block (205), the top and bottom of the rectangular block (205) are fixedly connected with first toothed plate (207), one side of the first toothed plate (207) is engaged with first gear (208), one side of the first gear (208) is fixedly connected with rotating shaft (209), one side of the rotating shaft (209) is fixedly connected with rotating rod (210).
2. A collet mechanism for a fastener driver head according to claim 1, wherein: The other side of the connecting seat (1) is provided with fine adjustment mechanism (3), the fine adjustment mechanism (3) includes tensioning block (301), one side of the tensioning block (301) is fixedly connected with rotating rod (210), the other side of the tensioning block (301) is fixedly connected with fixed rod (302), one side of the fixed rod (302) is fixedly connected with electric telescopic rod (303), one side of the electric telescopic rod (303) is fixedly connected with arc-shaped rod (304), one side of the arc-shaped rod (304) is fixedly connected with second toothed plate (305), one side of the second toothed plate (305) is engaged with second gear (306), one side of the second gear (306) is fixedly connected with threaded cylinder (307), one side of the threaded cylinder (307) is threadedly connected with lead screw (308), one side of the lead screw (308) is fixedly connected with adjusting plate (309).
3. A retractor head opening and closing mechanism according to claim 1, wherein: One side of the motor (202) is fixedly connected with fixed seat (201), one side of the fixed seat (201) is fixedly connected with connecting seat (1).
4. A collet mechanism for a fastener driver head according to claim 1, wherein: The inner cavity of the rectangular block (205) is slidably connected with prism (206), one side of the prism (206) is fixedly connected with connecting seat (1).
5. A retractor head opening and closing mechanism according to claim 1, wherein: One side of the connecting rod (204) is provided with movable slot, the bottom of the connecting seat (1) is fixedly connected with support base (4).
6. A retractor head opening and closing mechanism according to claim 2, wherein: One side of the adjusting plate (309) is fixedly connected with slide bar (310), the surface of the slide bar (310) is slidably connected with tensioning block (301).
7. A retractor head opening and closing mechanism according to claim 2, wherein: The surface of the threaded cylinder (307) is movably connected with tensioning block (301) by bearing, the inner surface of the tensioning block (301) is provided with movable hole.
Citation Information
Patent Citations
Gun head opening and closing mechanism of rivet gun
CN221209758U