Height indicator convenient to use

Abstract

The invention provides a height gauge convenient to use, which comprises a working table plate, a chain scraper conveyor capable of transversely conveying is correspondingly mounted on one side of the top of the working table plate, an annular limiting plate capable of longitudinally moving and adjusting is correspondingly arranged on the chain scraper conveyor, and the chain scraper conveyor is divided into a workpiece conveying area and a waste conveying area through the annular limiting plate; a moving frame capable of being vertically and longitudinally moved and adjusted is correspondingly arranged above the middle of a workpiece conveying area of the chain scraper conveyor, an annular pressing plate with the adjustable height is correspondingly arranged below the moving frame, and a height sensor with the adjustable vertical height is correspondingly arranged above a center hole of the annular pressing plate. A height initial measurement mechanism is correspondingly arranged on the side, close to the feeding end of the chain scraper conveyor, of the working table plate, and an interval feeding mechanism is correspondingly arranged between the height initial measurement mechanism on the top of the working table plate and the movable frame. The device is very convenient to use and detect, is higher in automation degree, can better meet the measurement requirements of batch workpieces, and is high in efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of height measurement, and mainly to a convenient-to-use altimeter. Background Art

[0002] In the manufacturing process of a mechanical plant, some workpieces are usually tested for surface parameters, such as height, to ensure the quality of the workpieces and to ensure that the workpieces leaving the factory can meet the use requirements. At this time, a height gauge is usually needed.

[0003] A height gauge is a device that can be used to detect the height of a workpiece. Traditional height gauges are generally placed on a desktop and are manually operated by workers to pick up and place the workpieces to be measured one by one to measure their heights, and then determine whether they meet the specified parameter requirements to ensure the quality of the workpieces. However, this operation is time-consuming and labor-intensive, and the efficiency is very low. It cannot meet the needs of batch workpiece measurement and also brings a heavy workload to workers. Therefore, it is necessary to design a new height gauge to solve the above problems. Summary of the invention

[0004] The present invention provides a convenient-to-use altimeter to solve the technical problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a convenient-to-use height gauge, comprising a workbench, a chain conveyor for horizontal transmission is installed on one side of the top of the workbench, and an annular limit plate that can be longitudinally moved and adjusted is provided on the chain conveyor, and the chain conveyor is divided into a workpiece conveying area and a waste conveying area by the annular limit plate; a movable frame that can be vertically and longitudinally moved and adjusted is provided above the middle of the workpiece conveying area of ​​the chain conveyor, and an annular pressure plate with adjustable height is provided below the movable frame, and a height sensor with adjustable vertical height is provided above the center hole of the annular pressure plate; a height initial measurement mechanism is provided on one side of the workbench close to the feeding end of the chain conveyor, and an interval feeding mechanism is provided between the height initial measurement mechanism on the top of the workbench and the movable frame; a pushing mechanism is provided on one side of the movable frame on the top of the workbench close to the unloading end of the chain conveyor, and the waste that fails the height detection is pushed to the waste conveying area of ​​the chain conveyor for transmission through the pushing mechanism.

[0006] Preferably, a vertical linear guide is installed in the middle of the other side of the top of the workbench, and a fixed rod is installed and connected on the moving seat of the linear guide. The moving frame is a T-shaped structure, and the middle rod of the moving frame is slidably installed in the fixed rod; the middle rod of the moving frame is a toothed plate, and a protrusion is provided on one side of the fixed rod, and a second gear is rotatably installed at the protrusion, and the second gear is meshed and connected with the toothed plate.

[0007] Preferably, a first column and a second column are respectively provided on both sides of the movable frame, the first column is rotatably mounted on the movable frame, a first motor is installed at a corresponding position on the top of the movable frame, and the upper end of the first column is transmission-connected to the output shaft of the first motor; a reciprocating threaded rod section is correspondingly provided at the lower part of the first column, a first column sleeve is correspondingly movably mounted on the reciprocating threaded rod section, and a second column sleeve is correspondingly slidably mounted on the second column, and a first L-shaped connecting block is correspondingly provided on the outer sides of the first column sleeve and the second column sleeve; avoidance holes for the first column and the second column to pass through are opened at corresponding positions on both sides of the annular pressure plate, and second L-shaped connecting blocks are correspondingly provided on both sides of the outer ring of the annular pressure plate, the upper part of the second L-shaped connecting block is correspondingly slidably mounted in the first L-shaped connecting block, and a spring is correspondingly installed between the upper end of the second L-shaped connecting block and the bottom of the inner groove of the first L-shaped connecting block.

[0008] Preferably, a threaded column sleeve is provided between the first column and the second column on the mobile frame, the threaded column sleeve is installed in the middle of the bottom end of the mobile frame, a threaded column is threadedly installed in the lower part of the threaded column sleeve, and the height sensor is installed at the bottom of the threaded column.

[0009] Preferably, the interval feeding mechanism includes a cross feeding rack, which is correspondingly installed on a rotating rod, and the rotating rod is correspondingly rotatably installed on the top of the worktable; a first gear is correspondingly installed on the rotating rod below the cross feeding rack, and an incomplete gear is correspondingly meshed and installed on one side of the first gear, and a second motor is embedded and installed at a corresponding position on the worktable, and the incomplete gear is correspondingly installed on the output shaft of the second motor.

[0010] Preferably, the pushing mechanism includes a telescopic cylinder, which is installed on one side of the moving frame on the top of the worktable close to the unloading end of the chain conveyor, and a push plate is installed on the telescopic rod end of the telescopic cylinder, and a notch is opened on the annular limit plate at a position corresponding to the push plate.

[0011] Preferably, the initial height measurement mechanism includes two measuring rods, which are respectively installed on the top of the worktable and located on both sides of the feeding end of the chain conveyor. An infrared transmitter is installed on the inner side surface of one of the measuring rods, and an infrared receiver is installed on the inner side surface of the other measuring rod.

[0012] Preferably, supporting legs are provided around the bottom of the workbench; guide rods are provided on both sides of the bottom end of the workbench, and the lower sides of the annular limit plate are slidably installed on the guide rods; an electric push rod is installed in the middle of the bottom end of the workbench, and the electric push rod is connected to the annular limit plate.

[0013] Preferably, the chain conveyor, linear guide rail, first motor, second motor, height sensor, telescopic cylinder, infrared transmitter, infrared receiver, and electric push rod are all electrically connected to an external control system.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention designs a convenient altimeter, which roughly measures the height of the workpiece through an initial height measuring mechanism, so that the linear guide rail can adjust the height of the moving frame in real time according to the initial measured height of the workpiece, to avoid the moving frame height being too high to be inconvenient to measure or the moving frame height being too low to collide with the workpiece; then the cross feeding frame is used to feed the material at equal time intervals, and then the annular pressing plate is controlled to move up and down reciprocatingly, elastically pressing the workpiece to measure the height when moving down, and releasing the workpiece to be transmitted when moving up, and then the height sensor detection data is transmitted to the control system, if the control system analyzes and determines that there is an unqualified workpiece, it immediately controls the telescopic cylinder to extend, and pushes the unqualified workpiece along the notch to the waste material transmission area on the other side of the chain conveyor for separate transmission. The overall design is ingenious, the use and detection are very convenient, time and labor are saved, the degree of automation is high, it can better meet the measurement needs of batch workpieces, and it is efficient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the altimeter of the present invention; Figure 2 is a schematic diagram of the structure of the altimeter of the present invention from a top view; Figure 3 It is a schematic diagram of the installation structure of various components on the linear guide rail of the present invention; Figure 4 It is an enlarged structural schematic diagram of the second gear of the present invention.

[0016] In the figure: 1. workbench; 2. chain conveyor; 3. annular limit plate; 301. notch; 4. cross feed rack; 5. first gear; 6. incomplete gear; 7. linear guide; 701. moving seat; 8. fixed rod; 801. bump; 9. moving rack; 901. tooth plate; 10. threaded column sleeve; 11. threaded column; 12. height sensor; 13. first motor; 14. first column; 15. second column; 16. first column sleeve; 17. second column sleeve; 18. annular pressure plate; 19. first L-shaped connecting block; 20. second L-shaped connecting block; 21. guide cylinder; 22. second gear; 23. telescopic cylinder; 24. push plate; 25. measuring rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "two ends", "both sides" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Reference is now made to the accompanying drawings, wherein the purpose of each illustration is only to show certain exemplary embodiments and is not intended to limit the present invention. In each of the drawings, the same reference numerals represent the same or corresponding parts. The dimensions and proportions in each of the drawings are also only for illustration and should not be interpreted as limiting the present invention, and these dimensions may be exaggerated relative to the actual product. Example

[0022] See also Figure 1-4A convenient height gauge of the present embodiment comprises a workbench 1, on one side of the top of the workbench 1 a chain conveyor 2 for horizontal transmission is installed, on the chain conveyor 2 a longitudinally movable annular limit plate 3 is provided, the chain conveyor 2 is divided into a workpiece conveying area and a waste conveying area by the annular limit plate 3; a movable frame 9 which can be moved vertically and longitudinally is provided above the middle of the workpiece conveying area of ​​the chain conveyor 2, a height-adjustable annular pressure plate 18 is provided below the movable frame 9, and a height sensor 12 which can be adjusted vertically is provided above the center hole of the annular pressure plate 18; a height initial measurement mechanism is provided on one side of the workbench 1 close to the feeding end of the chain conveyor 2, and an interval feeding mechanism is provided between the height initial measurement mechanism at the top of the workbench 1 and the movable frame 9; a pushing mechanism is provided on one side of the movable frame 9 at the top of the workbench 1 close to the unloading end of the chain conveyor 2, and the waste materials which fail the height detection are pushed to the waste conveying area of ​​the chain conveyor 2 for transmission by the pushing mechanism.

[0023] Specifically, a vertical linear guide 7 is installed in the middle of the other side of the top of the workbench 1, and a fixed rod 8 is installed and connected on the moving seat 701 of the linear guide 7. The moving frame 9 is a T-shaped structure, and the middle rod of the moving frame 9 is slidably installed in the fixed rod 8; the middle rod of the moving frame 9 is a tooth plate 901, and a protrusion 801 is provided on one side of the fixed rod 8. A second gear 22 is rotatably installed at the protrusion 801, and the second gear 22 is meshed and connected with the tooth plate 901. The vertical movement adjustment is realized by the linear guide 7, and the longitudinal movement adjustment is realized by the meshing of the second gear 22 with the tooth plate 901.

[0024] A first column 14 and a second column 15 are respectively provided on both sides of the mobile frame 9. The first column 14 is rotatably installed on the mobile frame 9. A first motor 13 is installed at a corresponding position on the top of the mobile frame 9. The upper end of the first column 14 is correspondingly connected to the output shaft of the first motor 13. The lower part of the first column 14 is provided with a reciprocating threaded rod section, on which a first column sleeve 16 is movably installed, and the second column sleeve 17 is slidably installed on the second column 15. The outer sides of the first column sleeve 16 and the second column sleeve 17 are provided with a first L-shaped connecting block 19; the corresponding positions on both sides of the annular pressure plate 18 are provided with avoidance holes for the first column 14 and the second column 15 to pass through, and the outer sides of the annular pressure plate 18 are provided with a second L-shaped connecting block 20, and the upper part of the second L-shaped connecting block 20 is slidably installed in the first L-shaped connecting block 19, and a spring is installed between the upper end of the second L-shaped connecting block 20 and the bottom of the inner groove of the first L-shaped connecting block 19, so as to realize the elastic compression of the annular pressure plate 18. The upper part of the first column 14 is provided with a guide cylinder 21, which is installed at the bottom of the movable frame 9. The guide cylinder 21 makes the rotation of the first column 14 more stable and reliable.

[0025] A threaded column sleeve 10 is provided between the first column 14 and the second column 15 on the movable frame 9. The threaded column sleeve 10 is installed in the middle of the bottom end of the movable frame 9. A threaded column 11 is threadedly installed in the lower part of the threaded column sleeve 10. The height sensor 12 is installed at the bottom of the threaded column 11. The height of the height sensor 12 relative to the annular pressure plate 18 is adjusted by the rotational cooperation between the threaded column sleeve 10 and the threaded column 11.

[0026] The interval feeding mechanism includes a cross feeding rack 4, which is correspondingly installed on a rotating rod, and the rotating rod is correspondingly rotatably installed on the top of the worktable 1; a first gear 5 is correspondingly installed on the rotating rod below the cross feeding rack 4, and an incomplete gear 6 is correspondingly meshed and installed on one side of the first gear 5. A second motor is embedded and installed at a corresponding position on the worktable 1, and the incomplete gear 6 is correspondingly installed on the output shaft of the second motor. The cross feeding rack 4 can be correspondingly blocked between adjacent workpieces, and interval feeding is achieved through the meshing rotation of the incomplete gear 6 and the first gear 5.

[0027] The pushing mechanism includes a telescopic cylinder 23, which is installed on the side of the mobile frame 9 on the top of the workbench 1 close to the unloading end of the chain conveyor 2. A push plate 24 is installed on the telescopic rod end of the telescopic cylinder 23. A notch 301 is opened on the annular limit plate 3 at a position corresponding to the push plate 24. The push plate 24 is extended by the telescopic cylinder 23 to push the waste that fails the height detection along the notch 301 to the waste conveying area on the other side of the chain conveyor 2 for conveying.

[0028] The height initial measurement mechanism includes two measuring rods 25, and the two measuring rods 25 are respectively installed on the top of the worktable 1 and located on both sides of the feeding end of the chain conveyor 2. An infrared transmitter is installed on the inner side surface of one of the measuring rods 25, and an infrared receiver is installed on the inner side surface of the other measuring rod 25 to form a measuring light curtain. By setting up the height initial measurement mechanism, the height of the workpiece can be roughly measured, so that the linear guide rail 7 can adjust the height of the moving frame 9 in real time according to the initial measured height of the workpiece, to avoid the moving frame 9 being too high to be inconvenient to measure or the moving frame 9 being too low to collide with the workpiece.

[0029] Support legs are provided around the bottom of the workbench 1. Guide rods are provided on both sides of the bottom of the workbench 1, and both sides of the lower part of the annular limit plate 3 are slidably installed on the guide rods; an electric push rod is installed on the middle part of the bottom of the workbench 1, and the electric push rod is connected to the annular limit plate 3, so as to adjust the position of the annular limit plate 3 longitudinally.

[0030] The chain conveyor 2, the linear guide rail 7, the first motor 13, the second motor, the height sensor 12, the telescopic cylinder 23, the infrared transmitter, the infrared receiver, and the electric push rod are all electrically connected to an external control system to achieve automatic control.

[0031] During operation, the height of the workpiece is first roughly measured by the infrared transmitter and the infrared receiver on the two measuring rods 25, and the data is transmitted to the control system. The linear guide rail 7 is controlled by the control system to make the movable frame 9 rise and fall to the appropriate position, so that the height of the height sensor 12 and the annular pressure plate 18 are appropriate with the top of the workpiece; then the cross feeding frame 4 is used to feed at equal time intervals, and the annular pressure plate 18 is controlled to move up and down reciprocatingly. When moving down, the workpiece is elastically pressed to measure the height specifically, and when moving up, the workpiece is released to be transported away, and then the detection data of the height sensor 12 is transmitted to the control system. If the control system analyzes and determines that there are unqualified workpieces, it will immediately control the telescopic cylinder 23 to extend, and push the unqualified workpieces along the notch 301 to the waste conveying area on the other side of the chain conveyor 2 for separate conveying.

[0032] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A convenient altimeter, characterized in that: The invention comprises a worktable (1), a chain plate conveyor (2) for horizontal transmission correspondingly installed on one side of the top of the worktable (1), an annular limit plate (3) which can be longitudinally moved and adjusted correspondingly on the chain plate conveyor (2), and the chain plate conveyor (2) is divided into a workpiece conveying area and a waste conveying area by the annular limit plate (3); a movable frame (9) which can be vertically and longitudinally moved and adjusted correspondingly is arranged above the middle of the workpiece conveying area of ​​the chain plate conveyor (2), and a height-adjustable annular pressure plate (18) is arranged below the movable frame (9), and the annular pressure plate (18) A height sensor (12) with adjustable vertical height is provided above the center hole of the workbench (18); a height initial measurement mechanism is provided on the side of the workbench (1) close to the feeding end of the chain conveyor (2); an interval feeding mechanism is provided between the height initial measurement mechanism at the top of the workbench (1) and the movable frame (9); a pushing mechanism is provided on the side of the movable frame (9) at the top of the workbench (1) close to the unloading end of the chain conveyor (2); and waste materials that fail the height detection are pushed to the waste conveying area of ​​the chain conveyor (2) for conveyance by the pushing mechanism.

2. A convenient altimeter according to claim 1, characterized in that: A vertical linear guide rail (7) is correspondingly installed in the middle of the other side of the top of the workbench (1); a fixed rod (8) is correspondingly installed and connected on the moving seat (701) of the linear guide rail (7); the moving frame (9) is a T-shaped structure; the middle rod of the moving frame (9) is correspondingly slidably installed in the fixed rod (8); the middle rod of the moving frame (9) is a toothed plate (901); a protrusion (801) is correspondingly provided on one side of the fixed rod (8); a second gear (22) is rotatably installed at the protrusion (801); the second gear (22) is correspondingly meshed and connected with the toothed plate (901).

3. A convenient altimeter according to claim 2, characterized in that: A first column (14) and a second column (15) are respectively provided on both sides of the mobile frame (9); the first column (14) is rotatably mounted on the mobile frame (9); a first motor (13) is installed at a corresponding position on the top of the mobile frame (9); the upper end of the first column (14) is correspondingly connected to the output shaft of the first motor (13); a reciprocating threaded rod section is correspondingly provided at the lower part of the first column (14); a first column sleeve (16) is correspondingly movably mounted on the reciprocating threaded rod section; and a second column sleeve (17) is correspondingly slidably mounted on the second column (15). A first L-shaped connecting block (19) is correspondingly provided on the outer side of the first column sleeve (16) and the second column sleeve (17); avoidance holes for the first column (14) and the second column (15) to pass through are opened at corresponding positions on both sides of the annular pressure plate (18); second L-shaped connecting blocks (20) are correspondingly provided on both sides of the outer ring of the annular pressure plate (18); the upper part of the second L-shaped connecting block (20) is correspondingly slidably installed in the first L-shaped connecting block (19), and a spring is correspondingly installed between the upper end of the second L-shaped connecting block (20) and the bottom of the inner groove of the first L-shaped connecting block (19).

4. A convenient altimeter according to claim 3, characterized in that: A threaded column sleeve (10) is correspondingly provided between the first column (14) and the second column (15) on the mobile frame (9); the threaded column sleeve (10) is correspondingly installed at the middle of the bottom end of the mobile frame (9); a threaded column (11) is correspondingly threadedly installed in the lower part of the threaded column sleeve (10); and the height sensor (12) is correspondingly installed at the bottom of the threaded column (11).

5. A convenient altimeter according to claim 4, characterized in that: The interval feeding mechanism comprises a cross feeding frame (4), the cross feeding frame (4) is correspondingly mounted on a rotating rod, and the rotating rod is correspondingly rotatably mounted on the top of the workbench (1); a first gear (5) is correspondingly mounted on the rotating rod below the cross feeding frame (4), an incomplete gear (6) is correspondingly meshed and mounted on one side of the first gear (5), a second motor is embedded and mounted at a corresponding position on the workbench (1), and the incomplete gear (6) is correspondingly mounted on the output shaft of the second motor.

6. A convenient altimeter according to claim 5, characterized in that: The pushing mechanism comprises a telescopic cylinder (23), the telescopic cylinder (23) being mounted on a side of a moving frame (9) at the top of a workbench (1) close to a discharge end of a chain conveyor (2), a pushing plate (24) being mounted on a telescopic rod end of the telescopic cylinder (23), and a notch (301) being provided on the annular limiting plate (3) at a position corresponding to the pushing plate (24).

7. A convenient altimeter according to claim 6, characterized in that: The height initial measurement mechanism comprises two measuring rods (25), the two measuring rods (25) being respectively mounted on the top of the work table (1) and located on both sides of the feeding end of the chain conveyor (2), an infrared transmitter being mounted on the inner side surface of one of the measuring rods (25), and an infrared receiver being mounted on the inner side surface of the other measuring rod (25).

8. A convenient altimeter according to claim 7, characterized in that: Support legs are provided around the bottom of the workbench (1); guide rods are provided on both sides of the bottom of the workbench (1), and both sides of the lower part of the annular limit plate (3) are slidably mounted on the guide rods; an electric push rod is installed in the middle of the bottom of the workbench (1), and the electric push rod is connected to the annular limit plate (3).

9. A convenient altimeter according to claim 8, characterized in that: The chain conveyor (2), the linear guide rail (7), the first motor (13), the second motor, the height sensor (12), the telescopic cylinder (23), the infrared transmitter, the infrared receiver, and the electric push rod are all electrically connected to an external control system.

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