Round hole size detection device capable of automatically positioning

Abstract

The utility model discloses a round hole size detection device capable of automatically positioning, which belongs to the technical field of detection and comprises a conveyor belt and a detection assembly positioned behind the conveyor belt. The upper end of the conveying belt is provided with an overturning assembly used for overturning the hardware workpiece; a positioning assembly used for positioning the hardware workpieces is installed at the upper end of the conveying belt. The positioning assembly comprises a first threaded rod, a fixing plate, a sliding rod, a connecting plate, an air cylinder, a baffle, a moving plate, a rotating disc, a fixing assembly and a square hole. Through the above mode, the hardware workpiece detection device can detect hardware workpieces with different heights, can position hardware workpieces with different diameters, and can detect hardware workpieces with upper and lower end circular holes with different diameters.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, in particular to a circular hole size detection device capable of automatically positioning. Background Art

[0002] Hardware refers to various metal products made of metal materials, which are usually used in machinery, construction, furniture, electronics, automobile and other industries. Hardware includes various fasteners, connectors, supports, pendants, handles, hinges, keys, locks, etc. The manufacturing of hardware usually requires stamping, casting, forging, milling, turning, welding and other processes to complete.

[0003] Chinese patent CN218781721U discloses a parts inspection fixture, which includes a base, the base is provided with a positioning column and a plurality of detection devices, the positioning column is used for embedding and positioning the positioning hole of the workpiece, the number of the detection devices is the same as the number of the circular holes of the workpiece and the positions correspond one to one, and the plurality of detection devices are circumferentially distributed around the axis of the positioning column; each detection device includes a detection seat arranged on the base, a detection pin slidably connected to the detection seat, the size of the detection pin is adapted to the circular hole of the workpiece, the sliding direction of the detection pin is toward the axis of the positioning column for embedding into the corresponding circular hole of the workpiece, when the workpiece is inspected, whether the circular hole of the workpiece is qualified is determined by whether the detection pins can be embedded in the circular hole of the workpiece, which is convenient for accurate and rapid detection of the qualification of the workpiece in actual production.

[0004] However, this patent cannot perform flip detection on the workpiece and is not suitable for detecting workpieces with different diameters of the upper and lower openings.

[0005] Based on this, the utility model designs a circular hole size detection device capable of automatic positioning to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a circular hole size detection device which can automatically locate.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A circular hole size detection device capable of automatic positioning comprises a conveyor belt;

[0009] Also included is a detection assembly located behind the conveyor belt;

[0010] A turning assembly for turning over the hardware workpiece is installed at the upper end of the conveyor belt;

[0011] A positioning assembly for positioning hardware workpieces is installed at the upper end of the conveyor belt;

[0012] The positioning assembly includes a first threaded rod, a fixed plate, a sliding rod, a connecting plate, a cylinder, a baffle, a movable plate, a turntable, a fixed assembly and a square hole. The first threaded rod and the sliding rod are both connected to the detection assembly, the rear end of the first threaded rod is fixedly connected to the turntable, the front ends of the first threaded rod and the sliding rod are both fixedly connected to the fixed plate, the lower end of the fixed plate is fitted and slidably connected to the bracket of the conveyor belt, the front end bracket of the conveyor belt is fixedly connected to the connecting plate, the cylinder is fixedly connected to the connecting plate, the output end of the cylinder is fixedly connected to the front end of the baffle, a square hole is opened on the baffle, the left end of the movable plate passes through the square hole and is slidably connected to the square hole, the right end of the movable plate is slidably connected to the front end bracket of the conveyor belt, the conveyor belt, the baffle and the movable plate are all connected to the fixed assembly, and the rear end of the baffle is fitted and contacted with the fixed plate.

[0013] Furthermore, the detection assembly includes a connecting bracket, a supporting frame, a second motor, a pulley assembly, a connecting rod, a second threaded rod, a mounting plate and a detection member.

[0014] Furthermore, the upper end of the connecting bracket is fixedly connected to the supporting frame, and the upper end of the supporting frame is fixedly connected to the second motor, the left and right ends of the connecting bracket are rotatably connected to the second threaded rods, the upper end of the second threaded rod at the right end is fixedly connected to the output end of the second motor, the upper ends of the second threaded rods at the left and right ends are transmission connected through a pulley assembly, the left and right sides of the inner end of the connecting bracket are fixedly connected to connecting rods, the second threaded rod is threadedly connected to a mounting plate, the mounting plate is slidably connected to the connecting rod, and the front end of the mounting plate is fixedly connected to a detection component.

[0015] Furthermore, the rear end of the first threaded rod passes through the connecting bracket and is threadedly connected to the connecting bracket, and the rear end of the sliding rod passes through the connecting bracket and is slidably connected to the connecting bracket.

[0016] Furthermore, the flip assembly includes a guide plate, a mounting block, a first motor, a rotating rod and a clamping cylinder.

[0017] Furthermore, the front end of the front mounting block is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a rotating rod, the rear end of the rotating rod is rotationally connected to the rear mounting block via a bearing, and a clamping cylinder is fixedly connected to the rotating rod.

[0018] Furthermore, the two guide plates and the two mounting blocks are respectively fixedly connected to the front and rear side brackets of the conveyor belt feeding end.

[0019] Furthermore, the fixing assembly includes positioning holes, a locking rod, a spring and a slide rail. The left end of the baffle is provided with multiple positioning holes. The right end of the locking rod passes through the movable plate and is embedded in the positioning hole. The spring is sleeved on the locking rod. One end of the spring is fixedly connected to the movable plate, and the other end of the spring is fixedly connected to the locking rod. The baffle is slidably connected to the slide rail.

[0020] Furthermore, the slide rail is fixedly connected to the front end bracket of the conveyor belt.

[0021] Furthermore, the connecting rod, the second threaded rod, the mounting plate and the detection member at the left end and the connecting rod, the second threaded rod, the mounting plate and the detection member at the right end are symmetrically arranged.

[0022] The utility model has the following technical effects:

[0023] The utility model starts the second motor of the detection assembly when the height of the hardware workpiece is adjusted, and the second motor drives the second threaded rod on the same side to rotate, and at the same time the second threaded rod drives the pulley assembly to rotate, and the pulley assembly drives the second threaded rod on the other side to rotate, and the second threaded rod drives the mounting plate to move up and down along the connecting rod, and the mounting plate drives the detection piece to move up and down, so as to detect hardware workpieces of different heights;

[0024] During the detection of the utility model, the conveyor belt conveys the hardware workpiece from the feeding end to the bottom of the right detection part, the gripper cylinder of the flipping assembly is started to clamp the hardware workpiece, the detection part detects the size of the circular hole at the upper end of the hardware workpiece, after the detection, the first motor is started, the first motor drives the rotating rod to rotate, the rotating rod drives the gripper cylinder to rotate, the gripper cylinder drives the hardware workpiece to rotate and flip the hardware workpiece, the hardware workpiece is then sent by the conveyor belt to the bottom of the left detection part, the cylinder of the positioning assembly is started, the cylinder drives the baffle plate and the moving plate to move backward, the hardware workpiece is positioned under the joint action of the fixed plate, the baffle plate and the moving plate, the detection part detects the size of the circular hole at the lower end of the hardware workpiece, after the detection, the cylinder drives the baffle plate and the moving plate to move forward, and the conveyor belt conveys the hardware workpiece to the discharge end;

[0025] The utility model can detect workpieces with different diameters of upper and lower openings;

[0026] When the utility model is adjusted according to the diameter size of the hardware workpiece, the turntable is rotated, the turntable drives the first threaded rod to rotate, the first threaded rod drives the fixed plate to move forward and backward, the fixed plate drives the slide rod to slide forward and backward until it is adjusted to a suitable position, the locking rod of the fixed assembly is pulled to the left, so that the right end of the locking rod is disengaged from the positioning hole, the moving plate is pulled forward or backward to move to a required position, the moving plate drives the locking rod and the spring to move, the locking rod is released, and the right end of the locking rod passes through the moving plate under the elastic action of the spring and is embedded in the positioning hole to complete the locking;

[0027] The utility model can position hardware workpieces with different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 The utility model is a three-dimensional circular hole size detection device capable of automatic positioning Figure 1 ;

[0030] Figure 2 This is a front view of a circular hole size detection device capable of automatic positioning according to the utility model;

[0031] Figure 3 The utility model is a three-dimensional circular hole size detection device capable of automatic positioning Figure 2 ;

[0032] Figure 4 The utility model is a three-dimensional circular hole size detection device capable of automatic positioning Figure 3 ;

[0033] Figure 5 The utility model is a three-dimensional circular hole size detection device capable of automatic positioning Figure 4 ;

[0034] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0035] The numbers in the figure represent:

[0036] 1. Conveyor belt; 2. Flip assembly; 21. Guide plate; 22. Mounting block; 23. First motor; 24. Rotating rod; 25. Gripper cylinder; 3. Positioning assembly; 31. First threaded rod; 32. Fixed plate; 33. Sliding rod; 34. Connecting plate; 35. Cylinder; 36. Baffle; 37. Moving plate; 38. Turntable; 39. Fixed assembly; 391. Positioning hole; 392. Locking rod; 393. Spring; 394. Slide rail; 310. Square hole; 4. Detection assembly; 41. Connecting bracket; 42. Support frame; 43. Second motor; 44. Pulley assembly; 45. Connecting rod; 46. Second threaded rod; 47. Mounting plate; 48. Detection piece; 5. Hardware workpiece. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] The utility model is further described below in conjunction with embodiments.

[0039] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0040] Example 1

[0041] Please refer to the instruction manual Figure 1-6 , a circular hole size detection device capable of automatic positioning, comprising a conveyor belt 1;

[0042] It also includes a detection component 4 located behind the conveyor belt 1;

[0043] A turning assembly 2 for turning over a hardware workpiece 5 is installed at the upper end of the conveyor belt 1;

[0044] A positioning assembly 3 for positioning a hardware workpiece 5 is installed at the upper end of the conveyor belt 1;

[0045] The positioning assembly 3 includes a first threaded rod 31, a fixed plate 32, a slide rod 33, a connecting plate 34, a cylinder 35, a baffle 36, a movable plate 37, a turntable 38, a fixed assembly 39 and a square hole 310. The first threaded rod 31 and the slide rod 33 are both connected to the detection assembly 4. The rear end of the first threaded rod 31 is fixedly connected to the turntable 38. The front ends of the first threaded rod 31 and the slide rod 33 are both fixedly connected to the fixed plate 32. The lower end of the fixed plate 32 is slidably connected to the bracket of the conveyor belt 1. A connecting plate 34 is fixedly connected to the front end bracket, and a cylinder 35 is fixedly connected to the connecting plate 34. The output end of the cylinder 35 is fixedly connected to the front end of a baffle 36. A square hole 310 is provided on the baffle 36. The left end of the movable plate 37 passes through the square hole 310 and is slidably connected to the square hole 310. The right end of the movable plate 37 is slidably connected to the front end bracket of the conveyor belt 1. The conveyor belt 1, the baffle 36 and the movable plate 37 are all connected to the fixed component 39. The rear end of the baffle 36 is in close contact with the fixed plate 32.

[0046] The detection assembly 4 includes a connecting bracket 41 , a supporting frame 42 , a second motor 43 , a pulley assembly 44 , a connecting rod 45 , a second threaded rod 46 , a mounting plate 47 and a detection member 48 .

[0047] The upper end of the connecting bracket 41 is fixedly connected to the supporting frame 42, and the upper end of the supporting frame 42 is fixedly connected to the second motor 43. The left and right ends of the connecting bracket 41 are rotatably connected to the second threaded rod 46, and the upper end of the second threaded rod 46 at the right end is fixedly connected to the output end of the second motor 43. The upper ends of the second threaded rods 46 at the left and right ends are transmission connected through the pulley assembly 44. The left and right sides of the inner end of the connecting bracket 41 are fixedly connected to the connecting rod 45, and the second threaded rod 46 is threadedly connected to the mounting plate 47, and the mounting plate 47 is slidably connected to the connecting rod 45. The front end of the mounting plate 47 is fixedly connected to the detecting member 48.

[0048] The rear end of the first threaded rod 31 passes through the connecting bracket 41 and is threadedly connected to the connecting bracket 41 , and the rear end of the sliding rod 33 passes through the connecting bracket 41 and is slidably connected to the connecting bracket 41 .

[0049] When the height of the hardware workpiece 5 is adjusted, the second motor 43 of the detection assembly 4 is started, and the second motor 43 drives the second threaded rod 46 on the same side to rotate, and at the same time, the second threaded rod 46 drives the pulley assembly 44 to rotate, and the pulley assembly 44 drives the second threaded rod 46 on the other side to rotate, and the second threaded rod 46 drives the mounting plate 47 to move up and down along the connecting rod 45, and the mounting plate 47 drives the detection member 48 to move up and down to detect hardware workpieces 5 of different heights;

[0050] The turning assembly 2 includes a guide plate 21 , a mounting block 22 , a first motor 23 , a rotating rod 24 and a clamping cylinder 25 .

[0051] The front end of the front mounting block 22 is fixedly connected to a first motor 23 , the output end of the first motor 23 is fixedly connected to a rotating rod 24 , the rear end of the rotating rod 24 is rotatably connected to the rear mounting block 22 via a bearing, and a clamping cylinder 25 is fixedly connected to the rotating rod 24 .

[0052] The two guide plates 21 and the two mounting blocks 22 are fixedly connected to the front and rear side brackets of the feeding end of the conveyor belt 1 respectively.

[0053] During the inspection, the conveyor belt 1 conveys the hardware workpiece 5 from the feeding end to the bottom of the right detection part 48, the gripper cylinder 25 of the flip assembly 2 is started to clamp the hardware workpiece 5, and the detection part 48 detects the size of the circular hole at the upper end of the hardware workpiece 5. After the inspection, the first motor 23 is started, the first motor 23 drives the rotating rod 24 to rotate, the rotating rod 24 drives the gripper cylinder 25 to rotate, the gripper cylinder 25 drives the hardware workpiece 5 to rotate and flip the hardware workpiece 5, and the hardware workpiece 5 is then sent by the conveyor belt 1 to the bottom of the left detection part 48, and the cylinder 35 of the positioning assembly 3 is started. The cylinder 35 drives the baffle 36 and the movable plate 37 to move backward, and the hardware workpiece 5 is positioned under the joint action of the fixed plate 32, the baffle 36 and the movable plate 37. The detection part 48 detects the size of the circular hole at the lower end of the hardware workpiece 5. After the inspection, the cylinder 35 drives the baffle 36 and the movable plate 37 to move forward, and the conveyor belt 1 conveys the hardware workpiece 5 to the discharge end;

[0054] The utility model can detect workpieces with different diameters of upper and lower openings;

[0055] The fixing assembly 39 includes a positioning hole 391, a locking rod 392, a spring 393 and a slide rail 394. A plurality of positioning holes 391 are opened at the left end of the baffle 36. The right end of the locking rod 392 passes through the movable plate 37 and is embedded in the positioning hole 391. The spring 393 is sleeved on the locking rod 392. One end of the spring 393 is fixedly connected to the movable plate 37, and the other end of the spring 393 is fixedly connected to the locking rod 392. The baffle 36 is slidably connected to the slide rail 394.

[0056] The slide rail 394 is fixedly connected to the front end bracket of the conveyor belt 1.

[0057] When adjusting according to the diameter of the hardware workpiece 5, the turntable 38 is rotated, the turntable 38 drives the first threaded rod 31 to rotate, the first threaded rod 31 drives the fixed plate 32 to move forward and backward, the fixed plate 32 drives the slide bar 33 to slide forward and backward until it is adjusted to a suitable position, the locking rod 392 of the fixed assembly 39 is pulled to the left, so that the right end of the locking rod 392 is disengaged from the positioning hole 391, the moving plate 37 is pulled forward or backward to move to the required position, the moving plate 37 drives the locking rod 392 and the spring 393 to move, the locking rod 392 is released, and under the elastic action of the spring 393, the right end of the locking rod 392 passes through the moving plate 37 and is embedded in the positioning hole 391 to complete the locking;

[0058] The utility model can position hardware workpieces 5 with different diameters.

[0059] Example 2

[0060] like Figure 1-6As shown, as a preferred embodiment of the utility model, preferably, the connecting rod 45, the second threaded rod 46, the mounting plate 47 and the detection member 48 at the left end and the connecting rod 45, the second threaded rod 46, the mounting plate 47 and the detection member 48 at the right end are symmetrically arranged.

[0061] Example 3

[0062] like Figure 1-6 As shown, as a preferred embodiment of the present utility model, preferably, the distance between the baffle plate 36 and the movable plate 37 and the fixed plate 32 is slightly greater than the length of the clamping claw cylinder 25 in the left-right direction.

[0063] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A circular hole size detection device capable of automatic positioning, comprising a conveyor belt (1), Features: It also includes a detection component (4) located behind the conveyor belt (1); A turning assembly (2) for turning over the hardware workpiece (5) is installed at the upper end of the conveyor belt (1); A positioning assembly (3) for positioning a hardware workpiece (5) is installed at the upper end of the conveyor belt (1); The positioning assembly (3) comprises a first threaded rod (31), a fixed plate (32), a sliding rod (33), a connecting plate (34), a cylinder (35), a baffle (36), a movable plate (37), a turntable (38), a fixing assembly (39) and a square hole (310). The first threaded rod (31) and the sliding rod (33) are both connected to the detection assembly (4). The rear end of the first threaded rod (31) is fixedly connected to the turntable (38). The front ends of the first threaded rod (31) and the sliding rod (33) are both fixedly connected to the fixed plate (32). The lower end of the fixed plate (32) is slidably connected to the bracket of the conveyor belt (1). A connecting plate (34) is fixedly connected to the front end bracket of the belt (1), a cylinder (35) is fixedly connected to the connecting plate (34), an output end of the cylinder (35) is fixedly connected to the front end of a baffle (36), a square hole (310) is opened on the baffle (36), a left end of a movable plate (37) passes through the square hole (310) and is slidably connected to the square hole (310), a right end of the movable plate (37) is slidably connected to the front end bracket of the conveyor belt (1), the conveyor belt (1), the baffle (36) and the movable plate (37) are all connected to a fixed assembly (39), and a rear end of the baffle (36) is in close contact with the fixed plate (32).

2. The circular hole size detection device capable of automatic positioning according to claim 1, It is characterized in that The detection assembly (4) comprises a connecting bracket (41), a supporting frame (42), a second motor (43), a pulley assembly (44), a connecting rod (45), a second threaded rod (46), a mounting plate (47) and a detection member (48).

3. The circular hole size detection device capable of automatic positioning according to claim 2, It is characterized in that The upper end of the connecting bracket (41) is fixedly connected to a supporting frame (42), and the upper end of the supporting frame (42) is fixedly connected to a second motor (43). The left and right ends of the connecting bracket (41) are both rotatably connected to second threaded rods (46), and the upper end of the second threaded rod (46) at the right end is fixedly connected to the output end of the second motor (43). The upper ends of the second threaded rods (46) at the left and right ends are transmission-connected via a pulley assembly (44). The left and right sides of the inner end of the connecting bracket (41) are both fixedly connected to connecting rods (45), and the second threaded rod (46) is threadedly connected to a mounting plate (47), and the mounting plate (47) is slidably connected to the connecting rod (45). The front end of the mounting plate (47) is fixedly connected to a detection member (48).

4. The circular hole size detection device capable of automatic positioning according to claim 3, It is characterized in that The rear end of the first threaded rod (31) passes through the connecting bracket (41) and is threadedly connected to the connecting bracket (41), and the rear end of the sliding rod (33) passes through the connecting bracket (41) and is slidably connected to the connecting bracket (41).

5. The circular hole size detection device capable of automatic positioning according to claim 4, It is characterized in that The turning assembly (2) comprises a guide plate (21), a mounting block (22), a first motor (23), a rotating rod (24) and a clamping claw cylinder (25).

6. The circular hole size detection device capable of automatic positioning according to claim 5, It is characterized in that The front end of the front mounting block (22) is fixedly connected to a first motor (23), the output end of the first motor (23) is fixedly connected to a rotating rod (24), the rear end of the rotating rod (24) is rotatably connected to the rear mounting block (22) via a bearing, and a clamping cylinder (25) is fixedly connected to the rotating rod (24).

7. The circular hole size detection device capable of automatic positioning according to claim 6, It is characterized in that The two guide plates (21) and the two mounting blocks (22) are respectively fixedly connected to the front and rear side brackets of the feeding end of the conveyor belt (1).

8. The circular hole size detection device capable of automatic positioning according to claim 7, It is characterized in that The fixing assembly (39) comprises a positioning hole (391), a locking rod (392), a spring (393) and a slide rail (394); a plurality of positioning holes (391) are provided at the left end of the baffle plate (36); the right end of the locking rod (392) passes through the movable plate (37) and is embedded in the positioning hole (391); the spring (393) is sleeved on the locking rod (392); one end of the spring (393) is fixedly connected to the movable plate (37); the other end of the spring (393) is fixedly connected to the locking rod (392); and the baffle plate (36) is slidably connected to the slide rail (394).

9. The circular hole size detection device capable of automatic positioning according to claim 8, It is characterized in that The slide rail (394) is fixedly connected to the front end bracket of the conveyor belt (1).

10. The circular hole size detection device capable of automatic positioning according to claim 9, It is characterized in that The connecting rod (45), the second threaded rod (46), the mounting plate (47) and the detection member (48) at the left end and the connecting rod (45), the second threaded rod (46), the mounting plate (47) and the detection member (48) at the right end are symmetrically arranged.

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