A precision hardware positioning and clamping device

Abstract

The utility model discloses a precision hardware positioning and clamping device, including a rotating seat and a fixed block, three groups of fixed blocks with equal spacing are installed on the top of the rotating seat, a limit ring is arranged above the rotating seat, and the limit ring is connected to the fixed block, an inner cam ring is movably installed inside the limit ring, a gear ring is installed on the top of the inner cam ring, and a clamping motor is installed on the side wall of a group of fixed blocks, a gear is installed on the output end of the clamping motor, and the gear and the gear ring are meshed with each other, and a clamping block is arranged inside each of the fixed blocks. The utility model not only realizes convenient linkage centering positioning and clamping of precision hardware and convenient angle adjustment and circular rotation adjustment of the position of precision hardware, facilitates the lifting and output of hardware and the processing of precision hardware from different positions, but also improves the convenience and adjustment flexibility of positioning and clamping precision hardware.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning and clamping devices, in particular to a precision hardware positioning and clamping device. Background Art

[0002] Hardware refers to tools made of gold, silver, copper, iron, tin and other metals through processing and casting, which are used to fix things, process things, decorate, etc. These metal products can be tools, accessories or other items used in construction, repair and decoration. Hardware is widely used in machinery manufacturing and processing. It is an indispensable accessory and is suitable for many fields. Common hardware includes screws, nuts, washers, springs and hooks, etc. They each have specific uses. For example, screws are used for connection and fixing, nuts are used in conjunction with screws, washers are used for buffering and preventing loosening, springs are used to absorb impact force and maintain the tightness of connecting parts, and hooks are used for connecting and pulling products such as doors, windows, and safes. Hardware needs to be trimmed after stamping, and needs to be clamped and fixed during the trimming process. In order to better clamp and position precision hardware, a precision hardware positioning and clamping device is proposed.

[0003] For example, a precision hardware positioning and clamping device disclosed in the authorization announcement number CN217751166U includes a fixed plate, the lower surface of the fixed plate is fixedly connected to a fixed rod, the upper surface of the fixed rod is slidably connected to a movable plate, a multi-layer air pressure fixing device is arranged on the movable plate, the multi-layer air pressure fixing device includes an air pump, one end of the air pump is fixedly connected to an air intake pipe, the air intake pipe penetrates and is fixedly connected to a shell, the upper ends of the multiple shells are fixedly connected in sequence, and a ejector pin is slidably connected to the middle of the shell;

[0004] Although it realizes that the number of layers of ventilation and pressure raising of the movable plate is consistent with the number of layers of the fixed plate by setting the air pipe through the air pipe, reducing the operation process, the shell is layered and connected, and multiple ejectors can fix the special-shaped parts according to the pressure adjustment length, and can also realize whether each layer is ventilated by controlling whether each layer is ventilated, so as to realize the fixation of metals of different thicknesses;

[0005] However, the problem that the existing positioning and clamping devices are not conducive to convenient linkage alignment and positioning clamping of precision hardware and convenient angle adjustment and circular rotation adjustment of the position of precision hardware during use is not solved, and it is not conducive to jacking out the hardware and processing the precision hardware from different positions, which affects the convenience of positioning and clamping precision hardware and the flexibility of adjustment. Utility Model Content

[0006] The purpose of the utility model is to provide a precision hardware positioning and clamping device to solve the problem proposed in the above background technology that the positioning and clamping device is not convenient for convenient linkage centering positioning and clamping of precision hardware and convenient angle adjustment and circular rotation adjustment of the position of precision hardware, is not conducive to jacking and outputting hardware and processing precision hardware from different positions, and affects the convenience of positioning and clamping precision hardware and the flexibility of adjustment.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision hardware positioning and clamping device, comprising a rotating seat and a fixed block, the top of the rotating seat is equipped with three groups of fixed blocks with equal spacing, a limit ring is arranged above the rotating seat, and the limit ring is connected to the fixed block, an inner cam ring is movably installed inside the limit ring, a gear ring is installed on the top of the inner cam ring, and a clamping motor is installed on the side wall of a group of fixed blocks, a gear is installed on the output end of the clamping motor, and the gear and the gear ring are meshed with each other, A clamping block is provided inside the fixed block, a pin is installed on the side wall of the clamping block, and the clamping block is movably connected to the fixed block through the pin, a spring is installed at the bottom end of the clamping block, and the spring is connected to the fixed block, and the clamping block is slidably connected to the inner cam ring, two groups of support seats are provided outside the rotating seat, and an adjustment motor is installed on the side wall of one group of support seats, and a flip plate is provided between the two groups of support seats, an electric push rod is installed inside the rotating seat, and a tray is installed at the output end of the electric push rod.

[0008] Preferably, a second worm is installed at the output end of the adjustment motor, a transmission shaft is movably installed inside a support seat on one side of the second worm, and the transmission shaft is connected to the flip plate.

[0009] Preferably, a second worm gear is mounted on the surface of the transmission shaft, and the second worm gear and the second worm are meshed with each other.

[0010] Preferably, a rotating shaft is movably installed at the center of the flip plate, and the rotating shaft is connected to the rotating seat, and a first worm gear is mounted on the surface of the rotating shaft.

[0011] Preferably, an auxiliary shaft is installed at one end of the flip plate away from the second worm gear, and the flip plate is movably connected to another group of support seats through the auxiliary shaft, and an arc groove is installed inside the other group of support seats.

[0012] Preferably, a rotating block is installed at one end of the auxiliary shaft away from the flip plate, and a rotating motor is installed on the side wall of the rotating block.

[0013] Preferably, a pulley assembly is installed at the output end of the rotating motor, a connecting rod is movably installed inside the arc groove, the pulley assembly is connected to the connecting rod, and the connecting rod is movably connected to the rotating block.

[0014] Preferably, a first worm is mounted on the surface of the connecting rod, and the first worm is meshed with the first worm wheel.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the positioning and clamping device not only realizes convenient linkage centering positioning and clamping of precision hardware and convenient angle adjustment and circular rotation adjustment of the position of precision hardware, facilitates the lifting and output of hardware and processing of precision hardware from different positions, but also improves the convenience of positioning and clamping precision hardware and the flexibility of adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the inner cam ring of the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the rotating block of the utility model;

[0019] Figure 4 It is a front cross-sectional structural schematic diagram of the fixing block of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the flip plate of the utility model.

[0021] In the figure: 1. support seat; 2. flip plate; 3. rotating seat; 4. fixed block; 5. limit ring; 6. inner cam ring; 7. clamping block; 8. first worm; 9. rotating shaft; 10. rotating block; 11. rotating motor; 12. pulley assembly; 13. connecting rod; 14. auxiliary shaft; 15. second worm gear; 16. transmission shaft; 17. electric push rod; 18. tray; 19. pin shaft; 20. spring; 21. clamping motor; 22. gear; 23. gear ring; 24. adjustment motor; 25. second worm; 26. first worm gear; 27. arc groove. DETAILED DESCRIPTION

[0022] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0023] See also Figure 1-5The utility model provides an embodiment: a precision hardware positioning and clamping device, including a rotating seat 3 and a fixed block 4, three groups of fixed blocks 4 with equal spacing are installed on the top of the rotating seat 3, a limit ring 5 is arranged above the rotating seat 3, and the limit ring 5 is connected to the fixed block 4, an inner cam ring 6 is movably installed inside the limit ring 5, a gear ring 23 is installed on the top of the inner cam ring 6, and a clamping motor 21 is installed on the side wall of a group of fixed blocks 4, the clamping motor 21 plays a role of power drive, a gear 22 is installed on the output end of the clamping motor 21, and the gear 22 and the gear ring 23 are meshed with each other, and the interior of the fixed block 4 is provided with a clamping block 7, the side walls of the clamping block 7 are all equipped with pins 19, and the clamping block 7 is movably connected to the fixed block 4 through the pins 19, the bottom ends of the clamping blocks 7 are all equipped with springs 20, and the springs 20 are connected to the fixed block 4, and the clamping block 7 is slidably connected to the inner cam ring 6, two groups of support seats 1 are arranged outside the rotating seat 3, and an adjustment motor 24 is installed on the side wall of one group of support seats 1, and the adjustment motor 24 plays a role of power drive, and a flip plate 2 is arranged between the two groups of support seats 1, and an electric push rod 17 is installed inside the rotating seat 3, and the electric push rod 17 plays a role of power drive, and a tray 18 is installed at the output end of the electric push rod 17;

[0024] First, the device is connected to an external controller and an external circuit, and the precision hardware is placed on the tray 18. The clamping motor 21 is turned on, and the clamping motor 21 drives the gear 22 to rotate. Under the mutual meshing of the gear 22 and the gear ring 23, the gear 22 drives the gear ring 23 to rotate. Under the sliding connection between the inner cam ring 6 and the limit ring 5, the gear ring 23 drives the inner cam ring 6 to slide inside the limit ring 5. Because three groups of cams of the same size are installed on the inner wall of the inner cam ring 6, the rotation direction is from a position with a gentler slope to a position with a steeper slope. At this time, under the action of the inner cam ring 6, the clamping block 7 is driven to rotate with the pin shaft 19 as the axis, so that the three groups of clamping blocks 7 rotate toward the center position, so that the three groups of clamping blocks 7 can be clamped in the center. Fix the precision hardware. When the use is finished, the clamping motor 21 is turned on in the reverse direction. The clamping motor 21 drives the inner cam ring 6 to reverse inside the limit ring 5 through the gear ring 23. The rotation direction rotates from the steeper slope position to the gentler slope position. Under the elastic action of the spring 20, the spring 20 drives the clamping block 7 to rotate with the pin shaft 19 as the axis to drive the clamping block 7 to reset, so that the clamping block 7 is separated from the precision hardware. Then, the electric push rod 17 is opened, and the electric push rod 17 drives the tray 18 and the precision hardware to move upward, so that it is convenient for personnel to take the precision hardware, realizing convenient linkage centering positioning and clamping of precision hardware, facilitating the lifting output of hardware, and improving the convenience of positioning and clamping precision hardware.

[0025] The output end of the adjustment motor 24 is provided with a second worm 25, a transmission shaft 16 is movably provided inside the support seat 1 on one side of the second worm 25, and the transmission shaft 16 is connected to the flip plate 2, a second worm wheel 15 is mounted on the surface of the transmission shaft 16, and the second worm wheel 15 and the second worm 25 are meshed with each other;

[0026] A rotating shaft 9 is movably mounted at the center of the flip plate 2, and the rotating shaft 9 is connected to the rotating seat 3. A first worm gear 26 is mounted on the surface of the rotating shaft 9. An auxiliary shaft 14 is mounted on one end of the flip plate 2 away from the second worm gear 15, and the flip plate 2 is movably connected to another set of support seats 1 through the auxiliary shaft 14, and an arc groove 27 is installed inside the other set of support seats 1.

[0027] A rotating block 10 is installed at one end of the auxiliary shaft 14 away from the flip plate 2, and a rotating motor 11 is installed on the side wall of the rotating block 10. The rotating motor 11 plays a role of power driving. A pulley assembly 12 is installed at the output end of the rotating motor 11. A connecting rod 13 is movably installed inside the arc groove 27, and the pulley assembly 12 is connected to the connecting rod 13, and the connecting rod 13 is movably connected to the rotating block 10;

[0028] The surface of the connecting rod 13 is sleeved with a first worm 8, and the first worm 8 is meshed with a first worm wheel 26;

[0029] When the precision hardware needs to be adjusted in angle after positioning and clamping, the adjustment motor 24 is turned on, and the second worm 25 is driven by the adjustment motor 24 to rotate. Under the mutual meshing of the second worm 25 and the second worm wheel 15, the second worm 25 drives the second worm wheel 15 to rotate, and the second worm wheel 15 drives the flip plate 2 to rotate around the auxiliary shaft 14 through the transmission shaft 16. At the same time, the auxiliary shaft 14 drives the rotating motor 11, the pulley assembly 12 and the connecting rod 13 to rotate inside the arc groove 27 through the rotating block 10, and the flip plate 2 drives the precision hardware to adjust the angle through the rotating seat 3. When the precision hardware needs to be adjusted in a circular rotation, During the whole process, the rotating motor 11 is turned on, the rotating motor 11 drives the pulley assembly 12 to move, the pulley assembly 12 drives the connecting rod 13 to rotate, and the connecting rod 13 drives the first worm 8 to rotate. Under the mutual engagement of the first worm 8 and the first worm wheel 26, the first worm 8 drives the first worm wheel 26 to rotate, and the first worm wheel 26 drives the rotating seat 3 and the precision hardware to rotate through the rotating shaft 9 to complete the circular rotation adjustment operation of the precision hardware, realize convenient angle adjustment and circular rotation adjustment of the position of the precision hardware, facilitate the processing of the precision hardware from different positions, and improve the flexibility of adjustment of the precision hardware.

[0030] Working principle: First, connect the device with an external controller and an external circuit, place the precision hardware on the tray 18, and the clamping motor 21 drives the gear 22 to rotate, and the gear 22 drives the gear ring 23 to rotate, and the gear ring 23 drives the inner cam ring 6 to slide inside the limit ring 5. Because three groups of cams of the same size are installed on the inner wall of the inner cam ring 6, the rotation direction is from the position with a gentle slope to the position with a steep slope. At this time, under the action of the inner cam ring 6, the clamping block 7 is driven to rotate with the pin shaft 19 as the axis, to The three groups of clamping blocks 7 are rotated toward the center position to allow the three groups of clamping blocks 7 to clamp and fix the precision hardware. When use is finished, the clamping motor 21 is turned on in the reverse direction, and the clamping motor 21 drives the inner cam ring 6 to reverse inside the limit ring 5 through the gear ring 23, and the rotation direction rotates from the steeper slope position to the gentler slope position. The spring 20 drives the clamping block 7 to rotate with the pin shaft 19 as the axis to drive the clamping block 7 to reset, so that the clamping block 7 is separated from the precision hardware, and the electric push rod 17 drives the tray 18 and the precision hardware to rotate. The metal parts move upward to facilitate personnel to take precision hardware. When the angle of the hardware needs to be adjusted after positioning and clamping the precision hardware, the adjustment motor 24 drives the second worm 25 to rotate, and the second worm 25 drives the second worm wheel 15 to rotate. The second worm wheel 15 drives the flip plate 2 to rotate around the auxiliary shaft 14 through the transmission shaft 16. At the same time, the auxiliary shaft 14 drives the rotating motor 11, the pulley assembly 12 and the connecting rod 13 to rotate inside the arc groove 27 through the rotating block 10, and the flip plate 2 is driven by the rotating seat 3 drives the precision hardware to adjust the angle. When the precision hardware needs to be adjusted in circular rotation, the rotating motor 11 drives the pulley assembly 12 to move, the pulley assembly 12 drives the connecting rod 13 to rotate, the connecting rod 13 drives the first worm 8 to rotate, the first worm 8 drives the first worm wheel 26 to rotate, and the first worm wheel 26 drives the rotating seat 3 and the precision hardware to rotate through the rotating shaft 9 to complete the circular rotation adjustment operation of the precision hardware and complete the use of the precision hardware positioning and clamping device.

[0031] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A precision hardware positioning and clamping device, comprising a rotating seat (3) and a fixed block (4), characterized in that: The top of the rotating seat (3) is provided with three groups of fixed blocks (4) at equal intervals, a limit ring (5) is provided above the rotating seat (3), and the limit ring (5) is connected to the fixed block (4), an inner cam ring (6) is movably provided inside the limit ring (5), a gear ring (23) is provided at the top of the inner cam ring (6), a clamping motor (21) is provided on the side wall of one group of fixed blocks (4), a gear (22) is provided at the output end of the clamping motor (21), and the gear (22) and the gear ring (23) are meshed with each other, a clamping block (7) is provided inside each of the fixed blocks (4), and a gear (22) is provided on the side wall of each of the clamping blocks (7). A pin shaft (19) is installed, and the clamping block (7) is movably connected to the fixed block (4) through the pin shaft (19), the bottom end of the clamping block (7) is installed with a spring (20), and the spring (20) is connected to the fixed block (4), and the clamping block (7) is slidably connected to the inner cam ring (6), two groups of support seats (1) are arranged outside the rotating seat (3), and an adjustment motor (24) is installed on the side wall of one group of support seats (1), and a flip plate (2) is arranged between the two groups of support seats (1), and an electric push rod (17) is installed inside the rotating seat (3), and a tray (18) is installed at the output end of the electric push rod (17).

2. A precision hardware positioning and clamping device according to claim 1, characterized in that: A second worm (25) is installed at the output end of the adjustment motor (24), a transmission shaft (16) is movably installed inside the support seat (1) on one side of the second worm (25), and the transmission shaft (16) is connected to the flip plate (2).

3. A precision hardware positioning and clamping device according to claim 2, characterized in that: The second worm gear (15) is mounted on the surface of the transmission shaft (16), and the second worm gear (15) and the second worm (25) are meshed with each other.

4. A precision hardware positioning and clamping device according to claim 1, characterized in that: A rotating shaft (9) is movably mounted at the center of the flip plate (2), and the rotating shaft (9) is connected to the rotating seat (3). A first worm gear (26) is mounted on the surface of the rotating shaft (9).

5. The precision hardware positioning and clamping device according to claim 1, characterized in that: An auxiliary shaft (14) is installed at one end of the flip plate (2) away from the second worm gear (15), and the flip plate (2) is movably connected to another group of support seats (1) through the auxiliary shaft (14), and an arc groove (27) is installed inside the other group of support seats (1).

6. A precision hardware positioning and clamping device according to claim 5, characterized in that: A rotating block (10) is installed at one end of the auxiliary shaft (14) away from the flip plate (2), and a rotating motor (11) is installed on the side wall of the rotating block (10).

7. A precision hardware positioning and clamping device according to claim 6, characterized in that: A pulley assembly (12) is installed at the output end of the rotating motor (11), a connecting rod (13) is movably installed inside the arc groove (27), the pulley assembly (12) is connected to the connecting rod (13), and the connecting rod (13) is movably connected to the rotating block (10).

8. A precision hardware positioning and clamping device according to claim 7, characterized in that: A first worm (8) is mounted on the surface of the connecting rod (13), and the first worm (8) and the first worm wheel (26) are meshed with each other.

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