Clamping and measuring device for sheet-type special-shaped parts

Abstract

The utility model relates to tool shaping correction technical field especially relates to a kind of clamping and measuring device for thin plate type special-shaped part shaping, including the clamping mechanism for clamping workpiece, the conveying mechanism of driving clamping mechanism movement and the measuring mechanism being adjacent to the movement path of clamping mechanism setting, clamping mechanism includes clamping seat and clamping arm, clamping arm one end is chuck, the other end is driven by cam, conveying mechanism includes conveying belt and the drive motor of driving conveying belt annular rotation, clamping seat is driven by conveying belt, measuring mechanism includes deformation measurement component, chuck and the clamping end of clamping seat are mutually close to clamp workpiece, clamping seat moves to deformation measurement component with conveying belt, workpiece is measured, after deformation data acquisition is completed, clamping mechanism continues to move to shaping station along conveying path and carries out tool shaping.This scheme has realized the automation transfer and positioning measurement of workpiece.

Description

Technical Field

[0001] This utility model relates to the field of tool shaping and straightening technology, and in particular to a clamping and measuring device for shaping thin plate-shaped parts. Background Technology

[0002] Thin-plate bent irregular-shaped parts, such as sewing machine blades, deform during processing and heat treatment, with varying degrees of deformation. The relative position of the cutting edge and the assembly surface requires subsequent shaping for correction. However, due to various factors such as material composition, stress, thickness, heat treatment hardness, and elasticity, the shaping process is difficult to standardize, and manual shaping is currently the most common method. Furthermore, because the shaping amplitude is difficult to control, multiple repetitions are required, resulting in high shaping difficulty, high labor intensity, high manpower requirements, high production costs, low efficiency, slow skill development for new employees, and difficulties in training personnel. To solve these problems, the shaping of thin-plate bent irregular-shaped parts needs to be automated. Before the shaping process, the workpiece needs to be loaded and its deformation measured to provide reference data for the shaping process. Utility Model Content

[0003] Technical objective: In order to overcome the shortcomings of the existing technology, this utility model provides a clamping and measuring device for shaping thin plate-shaped parts, so as to realize automatic workpiece feeding and deformation measurement.

[0004] Technical Solution: To achieve the above objectives, this utility model discloses a clamping and measuring device for shaping thin-plate irregular parts, including a clamping mechanism for clamping the workpiece, a conveying mechanism for driving the clamping mechanism to move, and a measuring mechanism arranged adjacent to the moving path of the clamping mechanism. The clamping mechanism includes a clamping seat and a clamping arm, one end of which is a chuck and the other end is driven by a cam. The conveying mechanism includes a conveyor belt and a drive motor for driving the conveyor belt to rotate in a ring. The clamping seat is driven by the conveyor belt. The measuring mechanism includes a deformation measuring component. The chuck and the clamping end of the clamping seat approach each other to clamp the workpiece. The clamping seat moves with the conveyor belt to the deformation measuring component to measure the workpiece.

[0005] Furthermore, the clamping seat is also provided with a slide rail and a slider that moves along the slide rail. The clamping arm is hinged to the slider. The slider is driven by a cylinder to move the chuck closer to or away from the clamping end of the clamping seat.

[0006] Furthermore, the cam is driven to rotate by a second cylinder mounted on the slider. The output end of the second cylinder is hinged to one end of a rocker arm, and the other end of the rocker arm is fixedly connected to the central shaft of the cam.

[0007] Furthermore, a cylinder three is also connected to the clamping base, and a magnet for stabilizing the workpiece is connected to the output end of the cylinder three.

[0008] Furthermore, a return spring is provided between the clamping arm and the slider, and the return spring is located on the side of the hinge point between the clamping arm and the slider near the chuck.

[0009] Furthermore, the conveying mechanism also includes a conveying rail and a stabilizing component. The clamping seat moves along the conveying rail. The stabilizing component includes a stabilizing belt and rotating rollers disposed at both ends of the stabilizing belt. One end of the stabilizing belt is fixedly connected to the side of the clamping seat, and the other end passes around the two rotating rollers in sequence and is fixedly connected to the other opposite side of the clamping seat.

[0010] Furthermore, the deformation measurement assembly includes a measuring seat, on which a measuring space is provided that allows the workpiece to pass through, and displacement sensors for detecting the deformation of the workpiece are respectively provided on the two opposite side walls of the measuring space.

[0011] Furthermore, the deformation measurement component also includes a spring sheet disposed adjacent to the measuring seat. The spring sheet has a passage space with the same cross-section as the measuring space. The clamping mechanism clamps the workpiece and passes it sequentially along the conveying path through the spring sheet and the measuring seat.

[0012] Furthermore, the deformation measuring component moves horizontally along the horizontal rail, approaching or moving away from the conveying mechanism.

[0013] Furthermore, both the deformation measuring component and the horizontal rail are mounted on a mounting frame, which moves up and down along the lifting rail.

[0014] The clamping and measuring device for shaping thin-plate irregular parts of this utility model has at least the following beneficial effects:

[0015] 1. The clamping mechanism holds the workpiece and moves it along the conveying path under the drive of the conveying mechanism. Along the way, the measuring mechanism measures the deformation of the workpiece, and the collected deformation data is used by the control system to formulate specific shaping strategies. After the deformation data collection is completed, the clamping mechanism continues to move along the conveying path to the shaping station for tool shaping. This achieves automated workpiece transfer and positioning measurement.

[0016] 2. The clamping mechanism adopts a clamping arm and a cylinder-driven cam, using the lever principle to realize the opening and closing of the chuck, thereby realizing the automatic clamping and release of the workpiece; combined with the slider and slide rail, the clamping arm can move forward and backward, and the loading and unloading jaws or suction cups will not be interfered with by the chuck during loading and unloading; by adding a magnet whose movement is controlled by a cylinder, the stable positioning of thin plate parts is ensured so that they do not fall off.

[0017] 3. The measuring mechanism effectively detects and intercepts workpieces that are misaligned due to improper clamping by setting protective springs, triggering a system alarm and reflow, thus avoiding damage to the precision displacement sensor and the workpiece itself that may be caused by unqualified workpieces entering the measuring space, and also avoiding deformation data acquisition errors; by being equipped with horizontal and vertical adjustment components, it can adapt to the measurement needs of workpieces of different models and sizes, improving the versatility of the device. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the sewing machine's thread cutter structure.

[0019] Figure 2 This is a schematic diagram of the overall structure of the clamping and measuring device in the embodiment;

[0020] Figure 3 This is a schematic diagram of the clamping mechanism and the conveying mechanism.

[0021] Figure 4 This is a partial sectional view of the conveying mechanism;

[0022] Figure 5 This is a schematic diagram of the clamping mechanism from the main view.

[0023] Figure 6 This is a schematic diagram of the clamping mechanism from a rear view.

[0024] Figure 7 This is a schematic diagram of the clamping mechanism from a side view.

[0025] Figure 8 This is a schematic diagram of the main view structure of the measuring mechanism;

[0026] Figure 9 This is a schematic diagram of the structure of the measuring mechanism from the rear view.

[0027] In the diagram, 100 is the clamping mechanism; 101 is the clamping seat; 102 is the clamping arm; 103 is the chuck; 104 is the cam; 105 is the slide rail; 106 is the slider; 107 is cylinder one; 108 is cylinder two; 109 is the rocker arm; 110 is cylinder three; 111 is the magnet; 112 is the return spring; and 113 is the clamping groove.

[0028] 200. Conveying mechanism; 201. Conveyor belt; 202. Drive motor; 203. Conveyor rail; 204. Stabilizing belt; 205. Rotating roller; 206. Conveyor support frame;

[0029] 300. Measuring mechanism; 301. Measuring base; 302. Measuring space; 303. Displacement sensor; 304. Spring; 305. Passing space; 306. Horizontal rail; 307. Mounting bracket; 308. Lifting rail; 309. Fixing bracket; 310. Cylinder four; 311. Horizontal slide; 312. Cylinder five; 313. Lifting slide;

[0030] 400. Sewing machine thread cutter. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1 To be continued Figure 9 The principles and features of this utility model are described, and the examples given are only used to explain this utility model and are not intended to limit the scope of this utility model.

[0032] A clamping and measuring device for shaping thin-plate irregularly shaped parts is disclosed. The entire device is set on a worktable and includes a clamping mechanism 100 for clamping the workpiece, a conveying mechanism 200 for driving the clamping mechanism 100 to move, and a measuring mechanism 300 arranged adjacent to the moving path of the clamping mechanism 100. This device can be used for clamping and measuring thin-plate irregularly shaped parts. In this embodiment, the workpiece is as follows: Figure 1 The sewing machine cutting knife 400 shown has a clamping mechanism 100 holding the workpiece and moving along the conveying path under the drive of the conveying mechanism 200. When it passes the measuring mechanism 300, the measuring mechanism 300 measures the deformation of the workpiece and collects the deformation data for subsequent shaping processes. After the deformation data is collected, the clamping mechanism 100 continues to move along the conveying path to the shaping station for knife shaping. After the initial shaping is completed, the clamping mechanism 100 can return to the measuring mechanism 300 for secondary measurement and shaping.

[0033] The clamping mechanism 100 includes a clamping base 101 and a clamping arm 102. One end of the clamping arm 102 is a chuck 103, and the other end is driven by a cam 104. The clamping end of the clamping base 101 is provided with a clamping groove 113 that cooperates with the chuck 103. The clamping arm 102 is hinged to the clamping base 101 near the center. When the cam 104 rotates, it lifts one end of the clamping arm 102, and the clamping arm 102 rotates around the hinge point, so that the chuck 103 approaches the clamping groove 113, clamping the workpiece in the clamping groove 113.

[0034] To facilitate workpiece loading and unloading, in this embodiment, the clamping base 101 is also equipped with a slide rail 105 and a slider 106 that moves along the slide rail 105. The clamping arm 102 is hinged to the slider 106. Specifically, the clamping base 101 can be L-shaped, with the clamping end located at the top of the L-shape and the slide rail 105 located at the bottom of the L-shape. The slider 106 is fixedly intercepting the output end of the cylinder 107. The cylinder body of the cylinder 107 is fixedly mounted on the clamping base 101. The slider 106 is driven by the cylinder 107, which in turn drives the clamping arm 102 and the chuck 103 to move closer to or away from the clamping end of the clamping base 101. Thus, when the chuck 103 moves away from the clamping end of the clamping base 101, the clamping groove 113 will not be blocked by the chuck 103, facilitating workpiece loading and unloading.

[0035] The cam 104 is driven to rotate by a cylinder 108 mounted on the slider 106. The output end of the cylinder 108 is hinged to one end of a rocker arm 109, and the other end of the rocker arm 109 is fixedly connected to the central shaft of the cam 104. The central shaft of the cam 104 is rotatably connected to the slider 106. Specifically, a groove can be provided on the top of the slider 106, and the cam 104 is placed in the groove. Its central shaft passes through the groove and is rotatably connected to the side wall of the groove. The end of the central shaft extends out of the groove and is fixedly connected to the rocker arm 109. The extension and retraction of the output end of the cylinder 108 drives the rocker arm 109 to reciprocate, which in turn drives the cam 104 to reciprocate, thereby lifting or lowering one end of the clamping arm 102. A return spring 112 is provided between the clamping arm 102 and the slider 106. The return spring 112 is located on the side of the hinge point between the clamping arm 102 and the slider 106 near the chuck 103. When the cam 104 lifts one end of the clamping arm 102, the return spring 112 is compressed. When the cam 104 rotates and causes one end of the clamping arm 102 to fall, the return spring 112 supports the clamping arm 102 and prevents the chuck 103 from falling.

[0036] In some working conditions, to further enhance the stability of the workpiece within the clamping groove 113, magnetic attraction can be used to assist in stabilizing the workpiece. Specifically, a cylinder 110 is fixedly connected to the clamping base 101, and a magnet 111 for stabilizing the workpiece is connected to the output end of the cylinder 110. The extension and retraction of the output end of the cylinder 110 causes the magnet 111 to move closer to or further away from the clamping groove 113.

[0037] Magnetic switches are installed on cylinder 107, cylinder 2108, and cylinder 310 to obtain the position of the cylinder piston rod, and the control system uses this information to determine whether the cylinder is working properly.

[0038] The conveying mechanism 200 includes a conveyor belt 201 and a drive motor 202 that drives the conveyor belt 201 to rotate in an annular manner. It also includes a conveyor rail 203 and a stabilizing component that maintains the movement stability of the clamping mechanism 100. The clamping seat 101 is fixedly connected to the conveyor belt 201 on one side. The conveyor rail 203 is arranged adjacent to the conveyor belt 201. The clamping seat 101 moves laterally along the conveyor rail 203 under the drive of the conveyor belt 201.

[0039] The stabilizing component includes a stabilizing belt 204 and rotating rollers 205 disposed at both ends of the stabilizing belt 204. One end of the stabilizing belt 204 is fixedly connected to the side of the clamping seat 101, and the other end passes around the two rotating rollers 205 in sequence and is fixedly connected to the other opposite side of the clamping seat 101. In this embodiment, the two rotating rollers 205 are rotatably connected to both ends of the conveying support frame 206. The conveying support frame 206 has an elongated groove, and the conveying rail 203 is disposed in the elongated groove. The lower part of the clamping seat 101 moves along the conveying rail 203 within the elongated groove.

[0040] The measuring mechanism 300 includes a deformation measuring component, a horizontal moving component, and a lifting moving component. The clamping seat 101 moves with the conveyor belt 201 to the deformation measuring component to measure the deformation of the workpiece. The control system collects relevant deformation data to formulate specific shaping strategies. The horizontal moving component and the lifting moving component are used to move the deformation measuring component in the horizontal and vertical directions to adapt to the measurement of workpieces of different sizes.

[0041] The deformation measurement assembly includes a measuring base 301 and a spring plate 304 adjacent to the measuring base 301. The measuring base 301 has a measuring space 302 that allows the workpiece to pass through. Displacement sensors 303 for detecting workpiece deformation are respectively installed on the two opposite side walls of the measuring space 302. Based on the characteristics of the displacement sensors 303, tension springs can be installed on both sides to stabilize and limit the movement of the displacement sensors 303, preventing damage to the workpiece. The spring plate 304 has a passage space 305 with the same cross-section as the measuring space 302. The measuring space 302 and the passage space 305 coincide in the workpiece conveying direction. The clamping mechanism 100 clamps the workpiece and passes it sequentially through the spring plate 304 and the measuring base 301 along the conveying path. When the workpiece is not clamped to the correct position in the clamping groove 113, it will contact the spring plate 304 when passing through the passage space 305. The spring plate 304 is electrically connected to the control system. When the two contact, an alarm is triggered in the control system, which then controls the conveyor belt 201 to reverse and the clamping base 101 to retract. This design provides elastic protection, ensuring that all workpieces entering the measurement space 302 are in the correct clamping position, thereby guaranteeing the accuracy of the measurement.

[0042] The horizontal movement assembly includes a horizontal rail 306, a horizontal slide 311, and a cylinder 310 that drives the horizontal slide 311 to move. The deformation measuring assembly is fixedly mounted on the horizontal slide 311 and moves along the horizontal rail 306 under the drive of the cylinder 310, moving closer to or away from the conveying mechanism 200, thereby achieving horizontal position adjustment. The horizontal rail 306 and the cylinder 310 are both mounted on the mounting bracket 307.

[0043] The lifting and moving assembly includes a lifting rail 308, a lifting slide 313, and a cylinder 312 that drives the lifting slide 313 to move. A mounting bracket 307 is fixedly mounted on the lifting slide 313 and moves along the lifting rail 308 under the drive of the cylinder 312, achieving vertical position adjustment. The lifting rail 308 is mounted on a fixed frame 309 set on the worktable.

[0044] The motors, cylinders, sensors, and other components in this clamping and measuring device are electrically connected to the control system, which facilitates the automatic control of its start and stop. A visual acquisition device for monitoring whether the equipment is working properly can also be installed at an appropriate position on the worktable.

[0045] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clamping and measuring device for shaping thin-plate irregular-shaped parts, characterized in that, The device includes a clamping mechanism (100) for clamping a workpiece, a conveying mechanism (200) for driving the clamping mechanism (100) to move, and a measuring mechanism (300) arranged adjacent to the moving path of the clamping mechanism (100). The clamping mechanism (100) includes a clamping seat (101) and a clamping arm (102). One end of the clamping arm (102) is a chuck (103), and the other end is driven by a cam (104). The conveying mechanism (200) includes a conveyor belt (201) and a drive motor (202) for driving the conveyor belt (201) to rotate in a ring. The clamping seat (101) is driven by the conveyor belt (201). The measuring mechanism (300) includes a deformation measuring component. The chuck (103) and the clamping end of the clamping seat (101) approach each other to clamp the workpiece. The clamping seat (101) moves with the conveyor belt (201) to the deformation measuring component to measure the workpiece.

2. The clamping and measuring device for shaping thin-plate irregular parts according to claim 1, characterized in that, The clamping seat (101) is also provided with a slide rail (105) and a slider (106) that moves along the slide rail (105). The clamping arm (102) is hinged to the slider (106). The slider (106) is driven by a cylinder (107) to move the chuck (103) closer to or away from the clamping end of the clamping seat (101).

3. The clamping and measuring device for shaping thin-plate irregular parts according to claim 2, characterized in that, The cam (104) is driven to rotate by a second cylinder (108) mounted on the slider (106). The output end of the second cylinder (108) is hinged to one end of a rocker arm (109), and the other end of the rocker arm (109) is fixedly connected to the central shaft of the cam (104).

4. The clamping and measuring device for shaping thin-plate irregular parts according to claim 1, characterized in that, The clamping seat (101) is also connected to a cylinder three (110), and the output end of the cylinder three (110) is connected to a magnet (111) for stabilizing the workpiece.

5. The clamping and measuring device for shaping thin-plate irregular parts according to claim 2, characterized in that, A return spring (112) is provided between the clamping arm (102) and the slider (106). The return spring (112) is located on the side of the hinge point between the clamping arm (102) and the slider (106) near the chuck (103).

6. The clamping and measuring device for shaping thin-plate irregular parts according to claim 1, characterized in that, The conveying mechanism (200) also includes a conveying rail (203) and a stabilizing component. The clamping seat (101) moves along the conveying rail (203). The stabilizing component includes a stabilizing belt (204) and rotating rollers (205) disposed at both ends of the stabilizing belt (204). One end of the stabilizing belt (204) is fixedly connected to the side of the clamping seat (101), and the other end passes around the two rotating rollers (205) in sequence and is fixedly connected to the other opposite side of the clamping seat (101).

7. The clamping and measuring device for shaping thin-plate irregular parts according to claim 1, characterized in that, The deformation measurement assembly includes a measuring base (301), on which a measuring space (302) is provided that allows the workpiece to pass through. Displacement sensors (303) for detecting the deformation of the workpiece are respectively provided on the two opposite side walls of the measuring space (302).

8. The clamping and measuring device for shaping thin-plate irregular parts according to claim 7, characterized in that, The deformation measurement assembly also includes a spring sheet (304) disposed adjacent to the measuring seat (301). The spring sheet (304) is provided with a passage space (305) with the same cross-section as the measuring space (302). The clamping mechanism (100) clamps the workpiece and passes through the spring sheet (304) and the measuring seat (301) sequentially along the conveying path.

9. The clamping and measuring device for shaping thin-plate irregular parts according to claim 8, characterized in that, The deformation measuring component moves horizontally along the horizontal rail (306), approaching or moving away from the conveying mechanism (200).

10. The clamping and measuring device for shaping thin-plate irregular parts according to claim 9, characterized in that, The deformation measuring component and the horizontal rail (306) are both mounted on the mounting frame (307), which moves up and down along the lifting rail (308).

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