A clamping device for spraying hardware tool surface

Abstract

The utility model relates to hardware tool surface spraying technical field, and disclose a hardware tool surface spraying clamping device, including equipment base, the upper surface rear side fixed mounting of equipment base has the support frame, be equipped with spraying assembly on the support frame, the inside rotation of equipment base is connected with the rotating shaft, the top fixed connection of rotating shaft has the turnplate, the cavity is seted up in the turnplate. This hardware tool surface spraying clamping device, through the hardware tool to be sprayed is placed between four clamping blocks, starts drive motor, and two trapezoidal sliding blocks are driven to move along trapezoidal sliding slot by the rotation of two way screw rod, until rubber pad and hardware tool close contact, and close drive motor and complete clamping, the high accuracy cooperation of trapezoidal sliding block and trapezoidal sliding slot, the synchronous drive of two way screw rod, guarantee that clamping force is even stable, and the 'T' type clamping block can be replaced through the thread fast, and the hardware tool of different size, shape is adapted.

Description

Technical Field

[0001] This utility model relates to the field of surface spraying technology for hardware tools, specifically a clamping device for surface spraying of hardware tools. Background Technology

[0002] In the manufacturing process of hardware tools, surface coating is a key step in improving the tools' corrosion resistance, wear resistance, and aesthetics. To ensure coating quality, the hardware tools must be fixed in place using clamping devices to prevent uneven coating, missed areas, or over-coating caused by workpiece movement during the coating process.

[0003] Most devices use simple clamps or bolt fixing structures, which have low adaptability to hardware tools of different sizes and shapes (such as wrenches, screwdrivers, pliers, etc.). In actual use, especially after clamping the workpiece, it is usually difficult to flip the hardware tool. This prevents the hardware tool from being sprayed from all angles. It is necessary to release the hardware tool and then re-clamp it to flip it, which wastes a lot of time and reduces work efficiency. Therefore, we propose a clamping device for surface spraying of hardware tools to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a clamping device for surface spraying of hardware tools, which solves the problems mentioned in the background art.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a clamping device for surface spraying of hardware tools, including a device base, a support frame fixedly installed on the rear side of the upper surface of the device base, a spraying component provided on the support frame, a rotating shaft rotatably connected inside the device base, a turntable fixedly connected to the top of the rotating shaft, a cavity opened in the turntable, two trapezoidal grooves symmetrically opened on the upper surface of the turntable and communicating with the cavity, and a clamping structure provided on the device base;

[0006] The clamping structure includes two trapezoidal sliders, the outer walls of which are slidably connected to two trapezoidal grooves respectively. A connecting plate is fixedly installed at the top of the two trapezoidal sliders. A connecting shaft is rotatably connected inside the connecting plate. A connecting frame is fixedly installed on the outer wall of one end of the connecting shaft. Protruding rods are fixedly installed on the outer walls of both ends of the connecting frame. A threaded through hole is opened on the upper surface of the protruding rod, and a clamping block is threadedly connected inside the threaded through hole.

[0007] Furthermore, a bidirectional threaded rod is rotatably connected inside the cavity. The two ends of the bidirectional threaded rod have opposite thread directions, and two trapezoidal sliders are respectively threaded to the outer walls of the two ends of the bidirectional threaded rod. A drive motor is fixedly installed on the outer wall of the turntable, and the output shaft of the drive motor is fixedly connected to the bidirectional threaded rod.

[0008] Furthermore, the clamping structure also includes a first gear, which is fixedly installed at the end of the connecting shaft. A movable shaft is rotatably connected to the connecting frame. One end of the movable shaft extends to the outer wall of the connecting frame and is fixedly connected to a second gear. The first gear and the second gear mesh with each other. A flipping motor is fixedly installed on the connecting frame and is fixedly connected to the other end of the movable shaft.

[0009] Furthermore, the clamping block has an overall "T" shaped structure, with its top outer wall being a regular hexagonal column and its bottom being a threaded column adapted to the threaded through hole, and the outer wall of the threaded column being provided with external threads.

[0010] Furthermore, a rubber pad is fixedly installed on the outer wall of the clamping block. The surface of the rubber pad is integrally formed with an anti-slip texture, and the rubber pad is made of nitrile rubber.

[0011] Furthermore, a rotary motor is fixedly installed on the lower surface of the equipment base. The output shaft of the rotary motor passes through the bottom of the equipment base and is fixedly connected to the rotating shaft. A sealing sleeve is provided at the point where the output shaft of the rotary motor passes through the equipment base.

[0012] The beneficial effects of this utility model are:

[0013] 1. This clamping device for surface spraying of hardware tools works by placing the hardware tool to be sprayed between four clamping blocks, starting the drive motor, and rotating the bidirectional threaded rod to drive two trapezoidal sliders to move relative to each other along the trapezoidal groove until the rubber pad is in close contact with the hardware tool. The drive motor is then turned off to complete the clamping. The high-precision fit between the trapezoidal sliders and the trapezoidal groove, and the synchronous drive of the bidirectional threaded rod, ensure uniform and stable clamping force. The "T"-shaped clamping blocks can be quickly replaced via threads to adapt to hardware tools of different sizes and shapes.

[0014] 2. This clamping device for surface spraying of hardware tools adjusts its posture according to the spraying requirements, starts the flipping motor, and drives the connecting shaft and connecting frame to rotate through the meshing transmission of gear one and gear two, adjusting the flipping angle of the hardware tool from 0-180° to ensure that the surface to be sprayed is facing upwards; at the same time, the rotary motor starts, driving the turntable to rotate slowly, and the speed of the rotary motor can be adjusted according to the spraying requirements; the spraying component on the support frame is opened to spray the surface of the rotating hardware tool. The rotation of the turntable ensures uniform circumferential spraying of the hardware tool, and the flipping function can achieve full coverage of the front, back, and sides of the hardware tool. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

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

[0017] Figure 2 This is a cross-sectional view of the structure of this utility model;

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

[0019] Figure 4 This is a partial sectional view of the turntable structure of this utility model;

[0020] Figure 5 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0021] Explanation of reference numerals in the attached drawings: 1. Equipment base; 2. Support frame; 3. Spraying assembly; 4. Rotating shaft; 5. Turntable; 6. Cavity; 7. Trapezoidal groove; 8. Clamping structure; 81. Trapezoidal slider; 82. Connecting plate; 83. Connecting shaft; 84. Connecting frame; 85. Protruding rod; 86. Threaded through hole; 87. Clamping block; 88. Gear one; 89. Movable shaft; 810. Gear two; 811. Tilting motor; 812. Bidirectional threaded rod; 813. Drive motor; 814. Rubber pad; 815. Rotary motor. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] Please see Figures 1-5 A clamping device for surface spraying of hardware tools includes a base 1, a support frame 2 fixedly installed on the rear side of the upper surface of the base 1, the support frame 2 fixing the spraying component 3 to ensure the stability of the spraying position; the support frame 2 is provided with the spraying component 3, a rotating shaft 4 is rotatably connected inside the base 1, a turntable 5 is fixedly connected to the top of the rotating shaft 4, a cavity 6 is opened in the turntable 5, two trapezoidal grooves 7 symmetrically opened on the upper surface of the turntable 5 and communicating with the cavity 6, and a clamping structure 8 is provided on the base 1;

[0024] The clamping structure 8 includes two trapezoidal sliders 81, whose outer walls are slidably connected to two trapezoidal grooves 7. The trapezoidal sliders 81 and the trapezoidal grooves 7 restrict the vertical displacement of the sliders through trapezoidal fit, ensuring stability during clamping. A connecting plate 82 is fixedly installed at the top of the two trapezoidal sliders 81. A connecting shaft 83 is rotatably connected inside the connecting plate 82. A connecting frame 84 is fixedly installed on the outer wall of one end of the connecting shaft 83. Protruding rods 85 are fixedly installed on the outer walls of both ends of the connecting frame 84. A threaded through hole 86 is opened on the upper surface of the protruding rod 85. A clamping block 87 is connected to the internal thread of the through hole 86; a bidirectional threaded rod 812 is rotatably connected inside the cavity 6, with the two ends of the bidirectional threaded rod 812 having opposite thread directions, and two trapezoidal sliders 81 are respectively threaded to the outer walls of the two ends of the bidirectional threaded rod 812. A drive motor 813 is fixedly installed on the outer wall of the turntable 5, and the output shaft of the drive motor 813 is fixedly connected to the bidirectional threaded rod 812. The bidirectional threaded rod 812 and the drive motor 813 drive the threaded rod to rotate, causing the two trapezoidal sliders 81 to move synchronously in opposite directions, thereby realizing the clamping and loosening of the hardware tools.

[0025] In this embodiment, the hardware tool to be sprayed is placed between four clamping blocks 87. The drive motor 813 is started, and the bidirectional threaded rod 812 rotates, driving the two trapezoidal sliders 81 to move relative to each other along the trapezoidal slide groove 7 until the rubber pad 814 is in close contact with the hardware tool. The drive motor 813 is then turned off to complete the clamping. Both the drive motor 813 and the flipping motor 811 are adjustable speed motors, which automate the clamping, flipping, and rotation processes, reduce manual intervention, and improve spraying efficiency.

[0026] Reference Figure 3 and Figure 4 As shown, the clamping structure 8 also includes a gear 88, which is fixedly installed at the end of the connecting shaft 83. A movable shaft 89 is rotatably connected to the connecting frame 84. One end of the movable shaft 89 extends to the outer wall of the connecting frame 84 and is fixedly connected to a gear 810. The gear 88 meshes with the gear 810. A flipping motor 811 is fixedly installed on the connecting frame 84 and is fixedly connected to the other end of the movable shaft 89.

[0027] In this embodiment, the posture is adjusted according to the spraying requirements. The flip motor 811 is started, and the connecting shaft 83 and the connecting frame 84 are driven to rotate through the meshing of gear 1 88 and gear 2 810, adjusting the flip angle of the hardware tool from 0-180° to ensure that the surface to be sprayed is facing upwards. At the same time, the rotary motor 815 is started, driving the turntable 5 to rotate slowly. The speed of the rotary motor 815 can be adjusted according to the spraying requirements. The spraying component 3 on the support frame 2 is turned on to spray the surface of the rotating hardware tool. The rotation of the turntable 5 ensures that the hardware tool is sprayed evenly in the circumference. The flipping function can achieve full coverage of the front, back and sides of the hardware tool. The cooperation between the connecting shaft 83, gear 1 88, gear 2 810 and the flip motor 811, the flip motor 811 drives the connecting shaft 83 to rotate through gear meshing, realizes the flipping of the hardware tool, and adjusts the front and back.

[0028] Reference Figure 4 and Figure 5 As shown, the clamping block 87 has an overall "T" shaped structure. Its top outer wall is a regular hexagonal column, which is convenient for screwing with tools such as wrenches. The bottom end is a threaded column that matches the threaded through hole 86. The outer wall of the threaded column has external threads, which can be detachably connected to the threaded through hole 86 on the protruding rod 85 through threaded engagement. A rubber pad 814 is fixedly installed on the outer wall of the clamping block 87. The surface of the rubber pad 814 is integrally formed with anti-slip texture, and the rubber pad 814 is made of nitrile rubber.

[0029] In this embodiment, the clamping block 87 and the rubber pad 814 are designed with a "T"-shaped structure for easy manual loading and unloading. The rubber pad 814 enhances the clamping friction through its anti-slip texture, while preventing the surface of the hardware tool from being damaged. The rubber pad 814 is oil-resistant and aging-resistant, and the overall structure has a long service life.

[0030] Reference Figure 2 As shown, a rotary motor 815 is fixedly installed on the lower surface of the equipment base 1. The equipment base 1 supports the overall structure and provides an installation foundation for the rotary motor 815 and the turntable 5. The output shaft of the rotary motor 815 passes through the bottom of the equipment base 1 and is fixedly connected to the rotating shaft 4. The rotary motor 815 drives the rotating shaft 4 to rotate the turntable 5, thereby realizing the circumferential position adjustment of the hardware tools. A sealing sleeve is provided at the penetration point between the output shaft of the rotary motor 815 and the equipment base 1.

[0031] In this embodiment, the rotary motor 815 drives the turntable 5 to rotate to achieve circumferential spraying of the hardware tool, and the flip motor 811 achieves multi-angle flipping of the hardware tool through gear transmission. Together with the spraying component 3, it can cover all surfaces of the hardware tool, solving the problem of incomplete spraying of traditional clamping devices.

[0032] In use, place the hardware tool to be sprayed between the four clamping blocks 87, start the drive motor 813, and the bidirectional threaded rod 812 rotates to drive the two trapezoidal sliders 81 to move relative to each other along the trapezoidal slide groove 7 until the rubber pad 814 is in close contact with the hardware tool. Then turn off the drive motor 813 to complete the clamping. Then adjust the posture according to the spraying requirements, start the flip motor 811, and drive the connecting shaft 83 and the connecting bracket 84 to rotate through the meshing of gear 1 88 and gear 2 810. Adjust the flip angle of the hardware tool from 0 to 180° to ensure that the surface to be sprayed is facing upwards. Simultaneously, the rotary motor 815 is started, driving the turntable 5 to rotate slowly. The speed of the rotary motor 815 can be adjusted according to the spraying requirements. The spraying component 3 on the support frame 2 is turned on to spray the surface of the rotating hardware tool. The rotation of the turntable 5 ensures that the hardware tool is sprayed evenly in the circumference. The flipping function can achieve full coverage of the front, back and sides of the hardware tool. After the spraying is completed, the spraying component 3 and the rotary motor 815 are turned off, the drive motor 813 is reversed, the bidirectional threaded rod 812 drives the trapezoidal slider 81 to move in the opposite direction, the clamping block 87 is released, and the sprayed hardware tool is removed.

[0033] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A clamping device for surface spraying of hardware tools, comprising a base (1), wherein a support frame (2) is fixedly mounted on the rear side of the upper surface of the base (1), and a spraying assembly (3) is provided on the support frame (2), characterized in that: The equipment base (1) is rotatably connected to a rotating shaft (4), and a turntable (5) is fixedly connected to the top of the rotating shaft (4). A cavity (6) is opened inside the turntable (5), and two trapezoidal grooves (7) communicating with the cavity (6) are symmetrically opened on the upper surface of the turntable (5). A clamping structure (8) is provided on the equipment base (1). The clamping structure (8) includes two trapezoidal sliders (81). The outer walls of the two trapezoidal sliders (81) are slidably connected in two trapezoidal grooves (7). A connecting plate (82) is fixedly installed at the top of the two trapezoidal sliders (81). A connecting shaft (83) is rotatably connected in the connecting plate (82). A connecting frame (84) is fixedly installed on the outer wall of one end of the connecting shaft (83). A protruding rod (85) is fixedly installed on the outer walls of both ends of the connecting frame (84). A threaded through hole (86) is opened on the upper surface of the protruding rod (85). A clamping block (87) is threadedly connected in the threaded through hole (86).

2. The clamping device for surface spraying of hardware tools according to claim 1, characterized in that: A bidirectional threaded rod (812) is rotatably connected inside the cavity (6). The two ends of the bidirectional threaded rod (812) have opposite thread directions, and two trapezoidal sliders (81) are respectively threaded to the outer walls of the two ends of the bidirectional threaded rod (812). A drive motor (813) is fixedly installed on the outer wall of the turntable (5), and the output shaft of the drive motor (813) is fixedly connected to the bidirectional threaded rod (812).

3. The clamping device for surface spraying of hardware tools according to claim 1, characterized in that: The clamping structure (8) also includes a gear one (88), which is fixedly installed at the end of the connecting shaft (83). A movable shaft (89) is rotatably connected to the connecting frame (84). One end of the movable shaft (89) extends to the outer wall of the connecting frame (84) and is fixedly connected to a gear two (810). The gear one (88) meshes with the gear two (810). A flipping motor (811) is fixedly installed on the connecting frame (84), and the flipping motor (811) is fixedly connected to the other end of the movable shaft (89).

4. The clamping device for surface spraying of hardware tools according to claim 3, characterized in that: The clamping block (87) has a "T" shaped structure. Its top outer wall is a regular hexagonal column, and its bottom end is a threaded column that matches the threaded through hole (86). The outer wall of the threaded column is provided with external threads.

5. A clamping device for surface spraying of hardware tools according to claim 4, characterized in that: A rubber pad (814) is fixedly installed on the outer wall of the clamping block (87). The surface of the rubber pad (814) is integrally formed with an anti-slip texture, and the rubber pad (814) is made of nitrile rubber.

6. The clamping device for surface spraying of hardware tools according to claim 1, characterized in that: A rotary motor (815) is fixedly installed on the lower surface of the equipment base (1). The output shaft of the rotary motor (815) passes through the bottom of the equipment base (1) and is fixedly connected to the rotating shaft (4). A sealing sleeve is provided at the point where the output shaft of the rotary motor (815) passes through the equipment base (1).

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