Workpiece control clamping device

Abstract

The utility model discloses a workpiece control clamping device which is characterized in that an adjusting mechanism is arranged on a main body, two limiting mechanisms are arranged above the main body and are both connected with the adjusting mechanism, and the adjusting mechanism is used for adjusting the positions of the two limiting mechanisms so as to complete the clamping action; the adjusting mechanism comprises a second motor, a second rotating shaft, a bidirectional lead screw and two sliding blocks. A sliding groove is formed in the top end of the body, the two-way lead screw is arranged in the sliding groove, each end of the two-way lead screw is rotationally connected with the side wall of the sliding groove, one end of the two-way lead screw is connected with the second motor through a second rotating shaft, the two sliding blocks are symmetrically arranged in the sliding groove, and each sliding block is in threaded fit with the two-way lead screw. The two-way lead screw is used for driving the two sliding blocks to move reversely, and each sliding block is fixedly connected with one limiting mechanism; and the situation that the workpiece cannot be controlled due to the fact that the large workpiece cannot be clamped can be effectively avoided, and therefore the efficiency of clamping the workpieces of different sizes is improved.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of workpiece processing, in particular to a workpiece control clamping device. Background Art

[0002] A workpiece is a product component in the manufacturing process, also called a manufactured part, workpiece, courseware, hardware, etc. There are many types of workpieces. When clamping different types of workpieces, the workpiece control clamping device will be used.

[0003] After searching, it is found that in the prior art, such as publication number CN206748031U, a workpiece clamping device includes a base, a cylinder, an inclined wedge block, a rotating lever and a spring. The cylinder of a workpiece clamping device involved in the utility model can drive the rotating lever to rotate through the inclined wedge block, so that the workpiece is pressed between the workpiece clamping boss and the rotating lever, which facilitates further processing operations on the workpiece, simplifies the steps of workpiece clamping, reduces the labor intensity of workers, and improves work efficiency; when the workpiece needs to be taken out, it is only necessary to vent the cylinder so that the rotating lever gives up pressing the workpiece. In addition, the workpiece clamping device has a simple structure, is easy to use, clamps the workpiece stably and reliably, and is suitable for popularization and use.

[0004] Although the above-mentioned workpiece clamping device has a simple structure, is easy to use, can clamp the workpiece stably and reliably, and is suitable for popularization and use, the above-mentioned workpiece clamping device does not have the function of clamping workpieces of different sizes when clamping the workpiece, which results in a single working performance and makes it impossible to clamp some larger workpieces. Therefore, a workpiece controlled clamping device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a workpiece control clamping device in order to solve the problem that the above-mentioned background technology is not capable of clamping workpieces of different sizes, resulting in single workability and some larger workpieces cannot be clamped.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a workpiece control clamping device, which includes a main body, an adjustment mechanism and two limit mechanisms;

[0007] The adjusting mechanism is arranged on the main body, the two limiting mechanisms are arranged above the main body and the two limiting mechanisms are connected to the adjusting mechanism, and the adjusting mechanism is used to adjust the positions of the two limiting mechanisms to complete the clamping action;

[0008] The adjustment mechanism includes a second motor, a second rotating shaft, a bidirectional lead screw, a second motor frame and two slide blocks;

[0009] A slide groove is provided at the top of the main body, and a bidirectional screw is arranged in the slide groove. Each end of the bidirectional screw is rotatably connected to the side wall of the slide groove, one end of the bidirectional screw is connected to the second motor through the second rotating shaft, the second motor is fixed on the second motor frame, and the second motor frame is fixed to the main body. Two sliders are symmetrically arranged in the slide groove, and each slider is matched with the bidirectional screw thread. The bidirectional screw is used to drive the two sliders to move in opposite directions, and each slider is fixed to a limiting mechanism.

[0010] Furthermore, a workpiece controlled clamping device is provided, wherein each end of the bidirectional lead screw is connected to a side wall of a slide groove via a bearing.

[0011] Furthermore, a workpiece control clamping device is provided, wherein a ball nut is provided inside a slider, and the ball nut cooperates with a bidirectional lead screw thread.

[0012] Further, a workpiece control clamping device, the limiting mechanism includes a movable plate, a first motor, a first rotating shaft, a gear, a first motor frame, two racks, two electric push rods, two holding arms and two sliding seats;

[0013] The bottom of the movable plate is fixedly connected to a slider, the top of the movable plate is provided with a groove, two sliding seats are slidably connected to the groove, an electric push rod is fixed on the top of the sliding seat, a holding arm is connected to the top of the electric push rod, a rack is fixedly connected to the end of each sliding seat, the two racks are arranged opposite to each other, a gear is arranged between the two racks, and the gear is meshed with the two racks at the same time, the top of the gear is connected to the first motor through the first rotating shaft, the first motor is fixed on the first motor frame, and the first motor frame is fixedly connected to the middle part of the movable plate.

[0014] Furthermore, in a workpiece control clamping device, a protective pad is adhesively connected to the outer wall of the movable plate; the protective pad on the movable plate of one limiting mechanism is arranged opposite to the protective pad on the movable plate of another limiting mechanism.

[0015] Furthermore, a workpiece control clamping device is provided, wherein the top of the holding arm is threadedly connected to a threaded rod, and the top of the threaded rod is fixedly connected to a screw block.

[0016] Furthermore, a workpiece control clamping device is provided, wherein a rubber pad is provided at the bottom of the threaded rod.

[0017] Furthermore, a workpiece control clamping device is provided, wherein a first bearing is embedded in the middle of the rubber pad, and the first bearing is rotatably connected to the threaded rod.

[0018] Compared with the prior art, the beneficial effect of the utility model is that through the setting of the limit mechanism, the clamping control of workpieces of different sizes can be achieved, so that the workpiece is not prone to falling during the clamping process. When in use, by starting the first motor, the first motor drives the gear to rotate, and the rotating gear drives the rack to move inward, so that the rack drives the threaded rod and the rubber pad to move inward, and then the threaded rod and the rubber pad are driven downward by the rotating screw block to clamp the workpiece. This can effectively avoid the inability to control the workpiece due to the inability to clamp a larger workpiece, thereby improving the efficiency of clamping workpieces of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall front view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the limiting mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0022] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure of the mechanism at point A in the middle.

[0023] In the figure: 1. main body; 101. slide groove; 2. limit mechanism; 201. movable plate; 202. protective pad; 203. first motor; 204. first rotating shaft; 205. gear; 206. rack; 207. electric push rod; 208. holding arm; 209. threaded rod; 210. screw block; 211. first bearing; 212. rubber pad; 213. first motor frame; 214. sliding seat; 3. adjusting mechanism; 301. second motor; 302. second rotating shaft; 303. bidirectional lead screw; 304. second bearing; 305. ball nut; 306. slider. DETAILED DESCRIPTION

[0024] See also Figure 1 and Figure 3 The following specific implementation methods are described:

[0025] Specific implementation method 1: A workpiece control clamping device, which includes a main body 1, an adjustment mechanism 3 and two limit mechanisms 2;

[0026] The adjusting mechanism 3 is arranged on the main body 1, and the two limiting mechanisms 2 are arranged above the main body 1 and the two limiting mechanisms 2 are connected to the adjusting mechanism 3, and the adjusting mechanism 3 is used to adjust the positions of the two limiting mechanisms 2 to complete the clamping action;

[0027] The adjusting mechanism 3 includes a second motor 301, a second rotating shaft 302, a bidirectional lead screw 303, a second motor frame 307 and two sliders 306;

[0028] A slide groove 101 is provided at the top of the main body 1, and a bidirectional lead screw 303 is arranged in the slide groove 101. Each end of the bidirectional lead screw 303 is rotatably connected to the side wall of the slide groove 101. One end of the bidirectional lead screw 303 is connected to the second motor 301 through the second rotating shaft 302. The second motor 301 is fixed on the second motor frame 307. The second motor frame 307 is fixed to the main body 1. Two sliders 306 are symmetrically arranged in the slide groove 101, and each slider 306 is threadedly matched with the bidirectional lead screw 303. The bidirectional lead screw 303 is used to drive the two sliders 306 to move in opposite directions. Each slider 306 is fixed to a limiting mechanism 2.

[0029] In this embodiment: the adjustment mechanism is arranged on the main body, the two limiting mechanisms are arranged above the main body 1 and the two limiting mechanisms are connected to the adjustment mechanism, and the adjustment mechanism is used to adjust the positions of the two limiting mechanisms to complete the clamping action;

[0030] A slide groove is provided at the top of the main body 1, and a bidirectional lead screw is arranged in the slide groove. Each end of the bidirectional lead screw is rotatably connected to the side wall of the slide groove, and one end of the bidirectional lead screw is connected to the second motor through a second rotating shaft. Two sliders are symmetrically arranged in the slide groove, and each slider is threadedly matched with the bidirectional lead screw. The bidirectional lead screw is used to drive the two sliders to move in opposite directions. Each slider is fixedly connected to a limit mechanism. When the second motor is working, the bidirectional lead screw rotates, and the two sliders move in opposite directions along the bidirectional lead screw, and then the two limit mechanisms move in opposite directions. The two limit mechanisms move toward the middle to clamp the workpiece to be processed, or the two limit mechanisms move to both sides to release the processed workpiece.

[0031] Specific implementation method 2: A workpiece control clamping device, each end of the bidirectional lead screw 303 is connected to a side wall of the slide slot 101 via a bearing 304 .

[0032] In this embodiment: each end of the bidirectional lead screw is connected to a side wall of the slide groove via a bearing, the bidirectional lead screw is rotationally connected to the bearing, and the bidirectional lead screw rotates along the bearing more smoothly.

[0033] Other implementations are the same as the first specific implementation.

[0034] Specific implementation method three: A workpiece control clamping device, a ball nut 305 is provided inside the slider 306, and the ball nut 305 is threadedly matched with the bidirectional lead screw 303.

[0035] In this embodiment: the roller nut is fixed in the slider, and when the bidirectional lead screw rotates, the roller nut moves along the length direction of the bidirectional lead screw, thereby driving the slider to move.

[0036] Other implementations are the same as the first specific implementation.

[0037] Specific embodiment 4: A workpiece control clamping device, the limiting mechanism 2 includes a movable plate 201, a first motor 203, a first rotating shaft 204, a gear 205, a first motor frame 213, two racks 206, two electric push rods 207, two holding arms 208 and two sliding seats 214;

[0038] The bottom of the movable plate 201 is fixedly connected to a slider 306, and a groove is provided at the top of the movable plate 201. Two sliding seats 214 are slidably connected to the groove. An electric push rod 207 is fixed on the top of the sliding seat 214. A holding arm 208 is connected to the top of the electric push rod 207. A rack 206 is fixedly connected to the end of each sliding seat 214. The two racks 206 are arranged opposite to each other. The gear 205 is arranged between the two racks 206, and the gear 205 is meshed with the two racks 206 at the same time. The top of the gear 205 is connected to the first motor 203 through the first rotating shaft 204. The first motor 203 is fixed on the first motor frame 213, and the first motor frame 213 is fixedly connected to the middle part of the movable plate 201.

[0039] In this embodiment: the two movable plates move synchronously with the movement of the slider, when the first motor rotates, the first rotating shaft drives the gear to rotate, and then the two racks move after the gear rotates, and the racks drive the sliding seat to move in the groove, and the pressing arm is connected to the top of the sliding seat through an electric push rod. The movement of the sliding seat is used to change the pressing position of the pressing arm, and the electric push rod moves up and down to adjust the pressing force of the pressing arm.

[0040] Other implementations are the same as the first specific implementation.

[0041] Specific embodiment 5: A workpiece control clamping device, the outer wall of the movable plate 201 is glued with a protective pad 202; the protective pad 202 on the movable plate 201 of one limiting mechanism 2 is arranged opposite to the protective pad 202 on the movable plate 201 of another limiting mechanism 2.

[0042] In this embodiment: the outer wall of the movable plate is glued and connected with a protective pad; the protective pad on the movable plate of one limiting mechanism is arranged opposite to the protective pad on the movable plate of another limiting mechanism;

[0043] The protective pad can make the two movable plates more stable when clamping the workpiece to be processed.

[0044] Other implementations are the same as the fourth specific implementation.

[0045] Specific implementation method six: A workpiece control clamping device, the top of the holding arm 208 is threadedly connected to a threaded rod 209 , and the top of the threaded rod 209 is fixedly connected to a screw block 210 .

[0046] Other implementations are the same as the fourth specific implementation.

[0047] Specific implementation method seven: A workpiece control clamping device, wherein a rubber pad 212 is provided at the bottom of the threaded rod 209 .

[0048] In this embodiment: a rubber pad is provided at the bottom of the threaded rod, and the rubber pad is used to contact the clamped workpiece and to press and hold the workpiece by utilizing its flexibility, thereby achieving a better pressing and holding effect.

[0049] Other implementations are the same as the sixth specific implementation.

[0050] Specific implementation method eight: A workpiece control clamping device, a first bearing 211 is embedded in the middle of the rubber pad 212, and the first bearing 211 is rotatably connected to the threaded rod 209.

[0051] In this embodiment: a first bearing is embedded in the middle of the rubber pad, and the first bearing is rotatably connected to the threaded rod. By setting the first bearing, when the rubber pad is pressed on the clamped workpiece, the screw block rotates the threaded rod, and the threaded rod gradually presses downward after rotating along the first bearing. The rubber pad is in contact with the clamped workpiece, the first bearing and the threaded rod rotate relatively, and the rubber pad does not rotate, thereby avoiding wear of the clamped workpiece.

[0052] Other implementations are the same as the specific implementation method seven.

Claims

1. A workpiece controlled clamping device, characterized in that: It comprises a main body (1), an adjusting mechanism (3) and two limiting mechanisms (2); The adjusting mechanism (3) is arranged on the main body (1), the two limiting mechanisms (2) are arranged above the main body (1) and the two limiting mechanisms (2) are connected to the adjusting mechanism (3), and the adjusting mechanism (3) is used to adjust the positions of the two limiting mechanisms (2) to complete the clamping action; The adjustment mechanism (3) comprises a second motor (301), a second rotating shaft (302), a bidirectional lead screw (303), a second motor frame (307) and two slide blocks (306); A slide groove (101) is provided at the top of the main body (1), a bidirectional lead screw (303) is arranged in the slide groove (101), each end of the bidirectional lead screw (303) is rotatably connected to the side wall of the slide groove (101), one end of the bidirectional lead screw (303) is connected to the second motor (301) through the second rotating shaft (302), the second motor (301) is fixed on the second motor frame (307), the second motor frame (307) is fixed to the main body (1), two sliders (306) are symmetrically arranged in the slide groove (101), and each slider (306) is threadedly matched with the bidirectional lead screw (303), the bidirectional lead screw (303) is used to drive the two sliders (306) to move in opposite directions, and each slider (306) is fixed to a limiting mechanism (2).

2. A workpiece controlled clamping device according to claim 1, characterized in that: Each end of the bidirectional lead screw (303) is connected to a side wall of the slide groove (101) via a bearing (304).

3. A workpiece controlled clamping device according to claim 1, characterized in that: A ball nut (305) is arranged inside the slider (306), and the ball nut (305) is threadably matched with the bidirectional lead screw (303).

4. A workpiece controlled clamping device according to claim 1, characterized in that: The limiting mechanism (2) comprises a movable plate (201), a first motor (203), a first rotating shaft (204), a gear (205), a first motor frame (213), two racks (206), two electric push rods (207), two holding arms (208) and two sliding seats (214); The bottom of the movable plate (201) is fixedly connected to a slider (306), the top of the movable plate (201) is provided with a groove, two sliding seats (214) are slidably connected to the groove, an electric push rod (207) is fixed on the top of the sliding seat (214), and a holding arm (208) is connected to the top of the electric push rod (207), and a rack (206) is fixedly connected to the end of each sliding seat (214), the two racks (206) are arranged opposite to each other, the gear (205) is arranged between the two racks (206), and the gear (205) is meshed with the two racks (206) at the same time, and the top of the gear (205) is connected to the first motor (203) through the first rotating shaft (204), the first motor (203) is fixed on the first motor frame (213), and the first motor frame (213) is fixedly connected to the middle of the movable plate (201).

5. A workpiece controlled clamping device according to claim 4, characterized in that: The outer wall of the movable plate (201) is adhesively connected with a protective pad (202); the protective pad (202) on the movable plate (201) of one limiting mechanism (2) is arranged opposite to the protective pad (202) on the movable plate (201) of another limiting mechanism (2).

6. A workpiece controlled clamping device according to claim 4, characterized in that: The top of the holding arm (208) is threadedly connected to a threaded rod (209), and the top of the threaded rod (209) is fixedly connected to a screw block (210).

7. A workpiece controlled clamping device according to claim 6, characterized in that: A rubber pad (212) is provided at the bottom of the threaded rod (209).

8. A workpiece controlled clamping device according to claim 7, characterized in that: A first bearing (211) is embedded in the middle of the rubber pad (212), and the first bearing (211) is rotatably connected to the threaded rod (209).

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