An auxiliary device for detecting the thickness of connecting rod

Abstract

The present invention discloses an auxiliary device for detecting the thickness of a connecting rod, which is mainly used to solve the problem that the existing laser detector is inaccurate when detecting the thickness of an uneven connecting rod. It includes: a detection conveyor belt, a measuring mechanism, a discharging frame, a feeding conveyor belt, a discharging conveyor belt and a loading box. The measuring mechanism is arranged on the detection conveyor belt, and the measuring mechanism has a main board and a movable plate, and the movable plate is arranged on the main board; the discharging frame is arranged on the rear end of the detection conveyor belt, and a laser detector is arranged on the left side of the discharging frame, and the laser detector is used to detect the thickness of the connecting rod; the feeding conveyor belt is arranged at the front of the measuring mechanism, and the feeding conveyor belt is used to place the connecting rod and transfer it to the detection conveyor belt; the discharging conveyor belt is arranged at the rear of the measuring mechanism, and the discharging conveyor belt is used to transfer the connecting rod out; the loading box is arranged at the rear of the discharging conveyor belt. The present invention has the advantages of accurately measuring the thickness of the connecting rod and quickly sorting the connecting rods with qualified thickness.

Description

Technical Field

[0001] The invention relates to the technical field of automobile connecting rod detection, in particular to an auxiliary device for detecting the thickness of the connecting rod. Background Art

[0002] In modern mechanical processing and manufacturing, the measurement of workpiece dimensions usually requires manual measurement. This measurement method is often slow, inefficient, and may result in human errors. Connecting rods are important components of automobile engines, and their thickness dimensions have strict requirements. They are generally measured with calipers, but manual measurement of connecting rods is limited in efficiency. As a forged product, the connecting rod has an uneven surface after shot blasting. Direct laser detection cannot correctly detect the highest point on the surface, and is often the average value of the uneven surface of the connecting rod, which does not meet the requirements of the correct size. Summary of the invention

[0003] The present invention aims to provide an auxiliary device for detecting the thickness of a connecting rod, so as to solve the problem that the existing laser detector is inaccurate when detecting the thickness of an uneven connecting rod.

[0004] To achieve the above objectives, the embodiment of the present invention adopts the following scheme:

[0005] An auxiliary device for detecting the thickness of a connecting rod, characterized in that it comprises:

[0006] Inspection of conveyor belts;

[0007] A measuring mechanism, the measuring mechanism is arranged on the detection conveyor belt, and the measuring mechanism has

[0008] Motherboard;

[0009] A movable plate, wherein the movable plate is arranged on the main board;

[0010] A discharging frame, the discharging frame is arranged on the rear end of the detection conveyor belt, and a laser detector is arranged on the left side of the discharging frame, and the laser detector is used to detect the thickness of the connecting rod;

[0011] A material unloading conveyor belt, which is arranged in front of the measuring mechanism and is used to place a connecting rod on the material unloading conveyor belt and transfer it to the detection conveyor belt;

[0012] A discharging conveyor belt, which is arranged at the rear of the measuring mechanism and is used to convey the connecting rod out;

[0013] A loading box is arranged at the rear of the discharging conveyor belt.

[0014] Preferably, a left supporting plate is provided on the left side of the main board, and a right supporting plate is provided on the right side of the main board, and the left supporting plate and the right supporting plate are in a “┏” shape.

[0015] Preferably, a lead screw motor is provided on the right side of the detection conveyor belt, a slider is connected to the lower end of the right support plate, and the lead screw motor is connected to the slider to drive the main board to move.

[0016] Preferably, a track is provided on the left side of the detection conveyor belt, and a pulley is provided at the lower end of the left support plate, and the pulley is attached to the track.

[0017] Preferably, the movable plate includes a splint and a thickness measuring plate, the thickness measuring plate is fixed at the bottom of the splint, slide rails are provided on both sides of the front of the main board, both sides of the splint fit the slide rails, the splint is in a "∩" shape, and the thickness measuring plate is in a "Z" shape. The thickness measuring plate is located at the rear left side of the main board and is located in the same horizontal direction as the laser detector.

[0018] Preferably, a rotating plate is movably connected to the bottom of the main board, and the rotating plate can rotate backward.

[0019] Preferably, a long rod is provided on the top of the splint, a lifting plate is provided at the bottom of the detection conveyor belt, balance plates are provided on both sides of the lifting plate, the balance plates are supported under the two ends of the long rod, stabilizing blocks are provided on both sides of the bottom of the detection conveyor belt, the bottom of the lifting plate is inserted into the stabilizing blocks, and a lifting cylinder is provided at the middle bottom of the lifting plate, and the lifting cylinder is used to push the lifting plate.

[0020] Preferably, a guide plate is provided on the right side of the discharging conveyor belt, the upper end of the guide plate is movably connected to the right end of the discharging conveyor belt, and a telescopic cylinder is connected to the right side of the guide plate, and the telescopic cylinder is used to telescope and push the guide plate to rotate.

[0021] Preferably, two loading boxes are provided, the right loading box is used for loading connecting rods with accurate thickness, and the left loading box is used for loading connecting rods with inaccurate thickness.

[0022] A clamping plate is provided on both sides of the unloading conveyor belt, a clamping plate is provided between the clamping plates, a first motor is provided on one side of the clamping plate, a gear is provided behind the opening and closing plate, a plurality of tooth grooves are provided behind the opening and closing plate, the gear meshes with the tooth grooves, and the first motor is connected to the gear to drive the gear to rotate so that the opening and closing plate moves up and down to realize the falling of the connecting rod;

[0023] A frame is provided at the front of the opening and closing plate, blocking plates are provided on both sides of the frame, a bidirectional threaded rod is provided above the frame, the bidirectional threaded rod passes through the upper end of the blocking plate, and a second motor is provided on one side of the frame, the second motor is connected to the bidirectional threaded rod, and is used to drive the bidirectional threaded rod to rotate so that the blocking plate is against the connecting rod.

[0024] A wiring method for an auxiliary device for detecting the thickness of a connecting rod, comprising:

[0025] Put the connecting rod and place it on the unloading conveyor belt. The connecting rod is transported to the front of the opening and closing plate by the unloading conveyor belt. Then start the second motor, which drives the bidirectional threaded rod to rotate, so that the blocking plates on both sides move closer to the two ends of the connecting rod and block the connecting rod. Then start the first motor, which drives the gear to rotate to raise the opening and closing plate, so that the connecting rod in front of the opening and closing plate falls onto the detection conveyor belt under the transmission of the unloading conveyor belt.

[0026] The connecting rod is measured. The connecting rod is transmitted to the front of the rotating plate through the detection conveyor belt. The lifting cylinder is started to drive the lifting plate to move downward, so that the entire movable plate descends, and the bottom of the thickness measuring plate is attached to the connecting rod. Then the screw motor is started to drive the main board to move backward, so that the rear part of the thickness measuring plate passes through the laser detector to obtain the detection data. Finally, the lifting plate is driven to rise, so that the balance plate holds up the long rod, so that the rotating plate can rotate after the clamping plate rises, and the connecting rod is transmitted backward to the discharge conveyor belt;

[0027] Sorting connecting rods, after the data is tested by the laser detector, the connecting rods that meet the thickness standards are conveyed along the discharge conveyor belt to the loading box on the right, and the connecting rods that do not meet the thickness standards are guided to the loading box on the left by the guide plate driven by the telescopic cylinder, completing the measurement of the connecting rods and shipping in batches.

[0028] Beneficial effects of the present invention:

[0029] The present invention is an auxiliary device for detecting the thickness of connecting rods. The connecting rods are transmitted to the front of a rotating plate, and the connecting rods are pressed down by a thickness measuring plate to obtain the height of the distance detection conveyor belt. The thickness measuring plate is leveled so that the data detected by the laser detector is also accurate. The laser detector detects the height data of the distance detection conveyor belt of the thickness measuring plate. Finally, according to the comparison between this data and the actual data, if there is an error, the connecting rods with inaccurate thickness are guided to the left loading box for recycling through the guide plate, and the connecting rods with accurate thickness fall into the right loading box. The present invention achieves the beneficial effects of accurately measuring the thickness of the connecting rods and quickly sorting the connecting rods with qualified thickness. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional schematic diagram of the invention.

[0031] Figure 2 It is a schematic diagram of a right oblique square of the measuring mechanism in the invention.

[0032] Figure 3 It is a rear oblique schematic diagram of the measuring mechanism in the invention.

[0033] Figure 4 It is a right oblique schematic diagram of the detection and transportation in the invention.

[0034] Figure 5 It is a left oblique schematic diagram of the detection and transportation in the invention.

[0035] Figure 6 It is a schematic diagram of the unloading conveyor belt in the invention.

[0036] Figure 7 It is a schematic diagram of the positive direction of the unloading conveyor belt in the invention.

[0037] Figure 8 It is a schematic diagram of the discharging conveyor belt in the invention. DETAILED DESCRIPTION

[0038] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit 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.

[0039] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 the internal communication of 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.

[0041] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious. For those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments may be used in combination with each other. Example

[0042] like Figure 1-3 As shown, the present invention provides an auxiliary device for detecting the thickness of a connecting rod, characterized in that it comprises: a detection conveyor belt 1, a measuring mechanism 2, a discharging frame 4, a feed conveyor belt 3, a feed conveyor belt 5 and a loading box 6, wherein the measuring mechanism 2 is arranged on the detection conveyor belt 1, and the measuring mechanism 2 has a main board 201 and a movable plate 207, and the movable plate 207 is arranged on the main board 201; the discharging frame 4 is arranged on the rear end of the detection conveyor belt 1, and a laser detector 401 is arranged on the left side of the discharging frame 4, and the laser detector 401 is used to detect the thickness of the connecting rod; the feed conveyor belt 3 is arranged at the front part of the measuring mechanism 2, and the feed conveyor belt 3 is used to place the connecting rod and transmit it to the detection conveyor belt 1; the feed conveyor belt 5 is arranged at the rear part of the measuring mechanism 2, and the feed conveyor belt 5 is used to transmit the connecting rod out; the loading box 6 is arranged at the rear part of the feed conveyor belt 5.

[0043] like Figure 2-3 As shown, a left support plate 202 is provided on the left side of the main board 201, and a right support plate 203 is provided on the right side of the main board 201, and the left support plate 202 and the right support plate 203 are in a "┏" shape; a lead screw motor 214 is provided on the right side of the detection conveyor belt 1, and a slider 204 is connected to the lower end of the right support plate 203, and the lead screw motor 214 is connected to the slider 204, which is used to drive the main board 201 to move; a track 215 is provided on the left side of the detection conveyor belt 1, and a pulley 205 is provided at the lower end of the left support plate 202, and the pulley 205 is attached to the track 215; the movement Plate 207 includes a splint 2071 and a thickness measuring plate 2072. The thickness measuring plate 2072 is fixed at the bottom of the splint 2071. Slide rails 206 are provided on both sides of the front of the main board 201. Both sides of the splint 2071 fit the slide rails 206. The splint 2071 is in a "∩" shape, and the thickness measuring plate 2072 is in a "Z" shape. The thickness measuring plate 2072 is located at the rear left side of the main board 201 and is located in the same horizontal direction as the laser detector 401. A rotating plate 208 is movably connected to the bottom of the main board 201, and the rotating plate 208 can rotate backward.

[0044] like Figure 4-5As shown, a long rod 209 is provided on the top of the clamping plate 2071, a lifting plate 210 is provided on the bottom of the detection conveyor belt 1, and balance plates 211 are provided on both sides of the lifting plate 210. The balance plates 211 are supported under the two ends of the long rod 209, and stable blocks 213 are provided on both sides of the bottom of the detection conveyor belt 1. The bottom of the lifting plate 210 is inserted into the stable block 213, and a lifting cylinder 212 is provided at the middle bottom of the lifting plate 210. The lifting cylinder 212 is used to push the lifting plate 210; a guide plate 501 is provided on the right side of the discharge conveyor belt 5, and the upper end of the guide plate 501 is movably connected to the right end of the discharge conveyor belt 5, and a telescopic cylinder 502 is connected to the right side of the guide plate 501, and the telescopic cylinder 502 is used to telescopically push the guide plate 501 to rotate; two loading boxes 6 are provided, and the loading box 6 on the right is used to load connecting rods with accurate thickness, and the loading box 6 on the left is used to load connecting rods with inaccurate thickness.

[0045] By transferring the connecting rod to the front of the rotating plate 208, the connecting rod is pressed down by the thickness measuring plate 2072 to obtain the height of the conveyor belt 1 for detection. The thickness measuring plate 2072 is leveled so that the data detected by the laser detector 401 is also accurate. The laser detector 401 detects the height data of the thickness measuring plate 2072 from the conveyor belt 1 for detection. Finally, based on the comparison between this data and the actual data, if there is an error, the connecting rod with inaccurate thickness is guided to the loading box 6 on the left for recycling through the guide plate 501, and the connecting rod with accurate thickness falls into the loading box 6 on the right. Example

[0046] Same as in Example 1, Figure 6-7 As shown, the unloading conveyor belt 3 is provided with clamping plates on both sides, an opening and closing plate 302 is provided between the clamping plates, a first motor 303 is provided on one side of the clamping plate, a gear 304 is provided behind the opening and closing plate 302, a plurality of tooth grooves 3021 are provided behind the opening and closing plate 302, the gear 304 meshes with the tooth grooves 3021, and the first motor 303 is connected to the gear 304, and is used to drive the gear 304 to rotate so that the opening and closing plate 302 moves up and down;

[0047] A frame 305 is provided at the front of the opening and closing plate 302, and blocking plates 308 are provided on both sides of the frame 305. A bidirectional threaded rod 307 is provided above the frame 305, and the bidirectional threaded rod 307 passes through the upper end of the blocking plate 308. A second motor 306 is provided on one side of the frame 305, and the second motor 306 is connected to the bidirectional threaded rod 307 for driving the bidirectional threaded rod 307 to rotate.

[0048] By cooperating with the opening and closing plate 302 and the blocking plate 308, the connecting rod can be measured individually to prevent multiple connecting rods from falling and avoiding missed measurements, thereby achieving stable and continuous measurement of the connecting rods, which is fast and effective.

[0049] A wiring method for an auxiliary device for detecting the thickness of a connecting rod, comprising:

[0050] Put the connecting rod, place it on the unloading conveyor belt 3, and convey it to the front of the opening and closing plate 302 through the unloading conveyor belt 3, then start the second motor 306, the second motor 306 drives the bidirectional threaded rod 307 to rotate, so that the blocking plates 308 on both sides are close to the two ends of the connecting rod and block the connecting rod, and then start the first motor 303, the first motor 303 drives the gear 304 to rotate to raise the opening and closing plate 302, so that the connecting rod in front of the opening and closing plate 302 falls onto the detection conveyor belt 1 under the transmission of the unloading conveyor belt 3;

[0051] Measuring connecting rod, the connecting rod is transmitted to the rotating plate 208 by the detection conveyor belt 1, and the lifting cylinder 212 is started to drive the lifting plate 210 to move downward, so that the entire movable plate 207 is lowered, and the bottom of the thickness measuring plate 2072 is attached to the connecting rod, and then the screw motor 214 is started to drive the main board 201 to move backward, so that the rear part of the thickness measuring plate 2072 passes through the laser detector 401 to obtain the detection data, and finally the lifting plate 210 is driven to rise, so that the balance plate 211 holds up the long rod 209, so that the rotating plate 208 can rotate after the clamping plate 2071 rises, so that the connecting rod is transmitted backward to the discharge conveyor belt 5;

[0052] The connecting rods are sorted. After the data is detected by the laser detector 401, the connecting rods that meet the thickness standards are conveyed along the discharge conveyor belt 5 to the loading box 6 on the right. The connecting rods that do not meet the thickness standards are guided to the loading box 6 on the left by the telescopic cylinder 502 to drive the guide plate 501, thus completing the measurement of the connecting rods and shipping them in batches.

[0053] Although the above describes the illustrative specific embodiments of the present invention so that those skilled in the art can understand the present invention, the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present invention as defined and determined by the attached claims, all inventions and creations using the concepts of the present invention are protected.

Claims

1. An auxiliary device for detecting the thickness of a connecting rod, characterized in that: include: Inspection of conveyor belts; A measuring mechanism, the measuring mechanism is arranged on the detection conveyor belt, and the measuring mechanism has Motherboard; A movable plate, wherein the movable plate is arranged on the main board; A discharging frame, the discharging frame is arranged on the rear end of the detection conveyor belt, and a laser detector is arranged on the left side of the discharging frame; A material unloading conveyor belt, which is arranged in front of the measuring mechanism and is used to place a connecting rod on the material unloading conveyor belt and transfer it to the detection conveyor belt; A discharging conveyor belt, which is arranged at the rear of the measuring mechanism and is used to convey the connecting rod out; A loading box, the loading box is arranged at the rear of the discharge conveyor belt; A left support plate is provided on the left side of the main board, and a right support plate is provided on the right side of the main board, and the left support plate and the right support plate are in a "┏" shape; The movable plate includes a clamping plate and a thickness measuring plate, the thickness measuring plate is fixed at the bottom of the clamping plate, and slide rails are arranged on both sides of the front of the main board, and the two sides of the clamping plate are attached to the slide rails. The clamping plate is in a "∩" shape, and the thickness measuring plate is in a "Z" shape. The thickness measuring plate is located at the left rear of the main board and is located in the same horizontal direction as the laser detector; The bottom of the main board is movably connected with a rotating plate, and the rotating plate can rotate backward; A long rod is provided on the top of the clamping plate, a lifting plate is provided on the bottom of the detection conveyor belt, and balance plates are provided on both sides of the lifting plate. The balance plates are supported under the two ends of the long rod, and stable blocks are provided on both sides of the bottom of the detection conveyor belt. The bottom of the lifting plate is inserted into the stable blocks. A lifting cylinder is provided at the middle bottom of the lifting plate, and the lifting cylinder is used to push the lifting plate; A clamping plate is provided on both sides of the unloading conveyor belt, an opening and closing plate is provided between the clamping plates, a first motor is provided on one side of the clamping plate, a gear is provided behind the opening and closing plate, a plurality of tooth grooves are provided behind the opening and closing plate, the gears mesh with the tooth grooves, and the first motor is connected to the gears to drive the gears to rotate so that the opening and closing plate moves up and down; A frame is provided at the front of the opening and closing plate, blocking plates are provided on both sides of the frame, a bidirectional threaded rod is provided above the frame, the bidirectional threaded rod passes through the upper end of the blocking plate, a second motor is provided on one side of the frame, the second motor is connected to the bidirectional threaded rod, and is used to drive the bidirectional threaded rod to rotate; During the inspection, the thickness measuring plate is lowered and fitted to the connecting rod, and after the thickness measuring plate is moved to the laser detector, the laser detector detects the height of the thickness measuring plate to obtain the thickness of the connecting rod.

2. An auxiliary device for detecting the thickness of a connecting rod according to claim 1, wherein: A lead screw motor is provided on the right side of the detection conveyor belt, a sliding block is connected to the lower end of the right support plate, and the lead screw motor is connected to the sliding block for driving the main board to move.

3. An auxiliary device for detecting the thickness of a connecting rod according to claim 1, wherein: A track is provided on the left side of the detection conveyor belt, and a pulley is provided at the lower end of the left support plate, and the pulley is attached to the track.

4. An auxiliary device for detecting the thickness of a connecting rod according to claim 1, wherein: A guide plate is provided on the right side of the discharging conveyor belt, the upper end of the guide plate is movably connected to the right end of the discharging conveyor belt, and a telescopic cylinder is connected to the right side of the guide plate, and the telescopic cylinder is used to telescope and push the guide plate to rotate.

5. An auxiliary device for detecting the thickness of a connecting rod according to claim 1, wherein: The loading boxes are provided with two, the right loading box is used for loading connecting rods with accurate thickness, and the left loading box is used for loading connecting rods with inaccurate thickness.

6. A method for using the auxiliary device for detecting the thickness of a connecting rod as claimed in claim 4, comprising: Put the connecting rod and place it on the unloading conveyor belt. The connecting rod is transported to the front of the opening and closing plate by the unloading conveyor belt. Then start the second motor, which drives the bidirectional threaded rod to rotate, so that the blocking plates on both sides move closer to the two ends of the connecting rod and block the connecting rod. Then start the first motor, which drives the gear to rotate to raise the opening and closing plate, so that the connecting rod in front of the opening and closing plate falls onto the detection conveyor belt under the transmission of the unloading conveyor belt. The connecting rod is measured. The connecting rod is transmitted to the front of the rotating plate through the detection conveyor belt. The lifting cylinder is started to drive the lifting plate to move downward, so that the entire movable plate descends, and the bottom of the thickness measuring plate is attached to the connecting rod. Then the screw motor is started to drive the main board to move backward, so that the rear part of the thickness measuring plate passes through the laser detector to obtain the detection data. Finally, the lifting plate is driven to rise, so that the balance plate holds up the long rod, so that the rotating plate can rotate after the clamping plate rises, and the connecting rod is transmitted backward to the discharge conveyor belt; Sorting connecting rods, after the data is tested by the laser detector, the connecting rods that meet the thickness standards are conveyed along the discharge conveyor belt to the loading box on the right, and the connecting rods that do not meet the thickness standards are guided to the loading box on the left by the guide plate driven by the telescopic cylinder, completing the measurement of the connecting rods and shipping in batches.

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