Rubber tube detection machine

Abstract

The utility model discloses a rubber tube detection machine, which is applied to the technical field of rubber tube detection machines, and is characterized by comprising a base, at least two sets of manual adjusting roller assemblies and automatic adjusting roller assemblies which are used for adjusting the straightness of the rubber pipe in the conveying process are fixedly arranged in the conveying direction of the urgent rubber pipe, and a driving assembly used for driving the rubber pipe to be conveyed is fixedly connected between the manual adjusting roller assemblies. An appearance detection assembly for detecting the appearance of the rubber tube is fixedly connected between the automatic adjusting roller assemblies; the device has the technical effects of simple structure and high detection efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber hose testing machines, in particular to a rubber hose testing machine. Background Art

[0002] Automotive rubber hoses are mainly used to connect the engine with the air filter, the engine with the radiator system, the automotive air conditioning system, etc. As an integral part of the intake system, they play an important role in the driving safety of the vehicle. At present, after the production of automotive rubber hoses, it is necessary to detect the appearance of the hoses. The detection content mainly includes whether there are scratches on the appearance, the correctness of the printed characters, the clarity of the printed characters, etc. Currently, the detection of rubber hoses is mainly carried out by manual spot visual inspection, which is prone to missed inspections and increases the labor cost at the same time. The detection efficiency is low, and there is a need for improvement. Content of the Utility Model

[0003] The purpose of the utility model is to provide a rubber hose testing machine, which has the advantages of simple structure and high detection efficiency.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions: A rubber hose testing machine includes a base; at least two groups of manual adjustment roller assemblies and automatic adjustment roller assemblies for adjusting the straightness of the rubber hose during transportation are fixedly arranged along the transportation direction of the rubber hose. A driving component for driving the transportation of the rubber hose is fixedly connected between the manual adjustment roller assemblies, and an appearance detection component for detecting the appearance of the rubber hose is fixedly connected between the automatic adjustment roller assemblies.

[0005] The utility model is further arranged as: The manual adjustment roller assembly includes a first adjustment roller assembly for adjusting the straightness of the rubber hose in the left - right direction along the transportation direction and a second adjustment roller assembly for adjusting the straightness in the up - down direction.

[0006] The utility model is further arranged as: The first adjustment roller assembly includes a first adjustment seat fixedly connected to the base and first adjustment rods symmetrically slidingly connected to the first adjustment seat along the horizontal direction. First centering rollers for abutting against the left and right ends of the rubber hose along the transportation direction are rotatably connected to the first adjustment rods. A first adjustment screw rod for driving the first adjustment rods to slide in the opposite direction synchronously is rotatably connected to the first adjustment seat. The first adjustment screw rod is composed of two screw rods with the same axis and opposite rotation directions. A screw hole matching with the first adjustment screw rod is opened on the first adjustment rod. A first manual rotary wheel for driving the first adjustment screw rod to rotate is rotatably connected to the first adjustment seat.

[0007] The present utility model is further configured as follows: The first adjusting roller assembly includes a second adjusting seat fixedly connected to the base and second adjusting rods symmetrically and slidably connected to the second adjusting seat in the vertical direction. Second centering rollers for abutting against the upper and lower ends of the rubber hose along the conveying direction are rotatably connected to the second adjusting rods. A second adjusting screw rod for driving the second adjusting rods to slide towards each other synchronously is rotatably connected to the second adjusting seat. The second adjusting screw rod is also composed of two screw rod combinations arranged coaxially and with opposite helix directions. Screw holes cooperating with the second adjusting screw rod are also formed in the second adjusting rods. A second manual rotating wheel for driving the second adjusting screw rod to rotate is rotatably connected to the second adjusting seat.

[0008] The present utility model is further configured as follows: The automatic adjusting roller assembly has the same structure as the manual adjusting roller assembly. The automatic adjusting roller assembly drives the first adjusting screw rod and the second adjusting screw rod based on a servo motor. Position sensors for measuring the distance between the two first adjusting rods and the two second adjusting rods are also fixedly provided on the first adjusting rods and the second adjusting rods of the automatic adjusting roller assembly.

[0009] The present utility model is further configured as follows: The driving assembly includes a driving seat fixedly connected to the base and a rolling shaft rotatably connected to the driving seat for abutting against the bottom of the rubber hose. A fixed rod is fixedly connected to the driving seat, and a rotating mounting block is rotatably connected to one end of the fixed rod. An installation shaft is also fixedly provided on the driving seat. A return spring for driving the rotating mounting block to return is connected between the rotating mounting block and the installation shaft. A driving wheel for abutting against the upper surface of the rubber hose is rotatably connected to the end of the rotating block away from the fixed rod. A driving motor for driving the driving wheel to rotate is fixedly connected to the rotating mounting block.

[0010] The present utility model is further configured as follows: The appearance detection assembly includes a detection seat fixedly connected to the base and a light source cylinder fixedly connected to the detection seat. A through hole for the rubber hose to pass through is formed in the light source cylinder. A plurality of appearance detection cameras for extending into the light source cylinder to detect the appearance of the rubber hose are slidably connected to the detection seat along the circumferential direction based on a sliding component.

[0011] The present utility model is further configured as follows: The sliding component includes a screw rod slide table fixedly connected to the detection seat and a sliding block fixedly connected to the sliding end of the screw rod slide table. The appearance detection camera is fixedly connected to the sliding block. A plurality of reference scales arranged along the sliding direction parallel to the screw rod slide table are fixedly provided on the detection seat along the circumferential direction. A reference ruler corresponding to the reference scales is also fixedly provided on the sliding block.

[0012] In summary, the utility model has the following beneficial effects:

[0013] 1. By setting multiple groups of manual adjustment roller assemblies and automatic adjustment roller assemblies, the first centering roller and the second centering roller are used to abut and position the hose in the left-right direction and the up-down direction during the conveying process, so as to ensure the straightness of the hose during the conveying process. At the same time, it can also meet the positioning and detection requirements of hoses with different diameters. The automatic adjustment roller assembly drives the first adjustment screw rod and the second adjustment screw rod through a servo motor. There is also a position sensor for measuring the distance between the two first adjustment rods and the two second adjustment rods. The distance measured by the position sensor is used to control the servo motor to accurately control the distance between the first adjustment rod and the two second adjustment rods, ensuring the straightness of the hose entering the appearance detection assembly and avoiding affecting the appearance detection result due to the bending of the hose. The structure is simple, eliminating the need for manual detection and improving the detection efficiency;

[0014] 2. The appearance detection assembly is provided with a light source cylinder and a number of appearance detection cameras for extending into the light source cylinder along the circumferential direction on the detection seat. The hose enters the light source cylinder through the through hole. The light source cylinder irradiates the hose comprehensively to avoid generating shadows and affecting the appearance detection result. The appearance detection cameras take pictures of the hose surface and perform visual comparison to determine whether there are problems with the hose appearance. The structure is simple and the detection accuracy is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of this embodiment;

[0016] Figure 2 is the structural schematic diagram of the manual adjustment roller assembly of this embodiment;

[0017] Figure 3 is the structural schematic diagram of the automatic adjustment roller assembly of this embodiment;

[0018] Figure 4 is the structural schematic diagram of the drive assembly of this embodiment;

[0019] Figure 5 is the structural schematic diagram of the appearance detection assembly of this embodiment;

[0020] Figure 6 is Figure 5 the enlarged schematic diagram of part A of

[0021] Reference numerals: 1, base; 2, manual adjustment roller assembly; 21, first adjustment roller assembly; 211, first adjustment seat; 212, first adjustment rod; 213, first centering roller; 214, first adjustment screw rod; 215, first manual rotating wheel; 22, second adjustment roller assembly; 221, second adjustment seat; 222, second adjustment rod; 223, second centering roller; 224, second adjustment screw rod; 225, second manual rotating wheel; 3, automatic adjustment roller assembly; 31, servo motor; 32, in-place sensor; 4, driving assembly; 41, driving seat; 42, rolling shaft; 43, fixed rod; 44, rotating mounting block; 45, mounting shaft; 46, return spring; 47, driving wheel; 48, driving motor; 5, appearance detection assembly; 51, detection seat; 52, light source cylinder; 53, through hole; 54, sliding assembly; 541, screw slide table; 542, sliding block; 543, comparison scale; 544, comparison ruler; 55, appearance detection camera. Detailed implementation manners

[0022] The following further elaborates on the present utility model in conjunction with the accompanying drawings.

[0023] Embodiment:

[0024] Refer to Figures 1 to 6 , a hose inspection machine, comprising a base 1, at least two groups of manual adjustment roller assemblies 2 for adjusting the straightness of the hose during transportation and an automatic adjustment roller assembly 3 are respectively fixedly arranged along the transportation direction of the hose. A driving assembly 4 for driving the transportation of the hose is fixedly connected between the manual adjustment roller assemblies 2, and an appearance detection assembly 5 for detecting the appearance of the hose is fixedly connected between the automatic adjustment roller assemblies 3.

[0025] Refer to Figures 1 to 3, specifically, the manual adjustment roller assembly 2 includes a first adjustment roller assembly 21 for adjusting the straightness of the rubber hose in the left-right direction along the conveying direction and a second adjustment roller assembly 22 for adjusting the straightness in the up-down direction. By abutting and positioning the rubber hose in the left-right direction and up-down direction during the conveying process, the straightness of the rubber hose during the conveying process is ensured, and at the same time, the positioning and detection requirements of rubber hoses with different diameters can also be adapted. The first adjustment roller assembly 21 includes a first adjustment seat 211 fixedly connected to the base 1 and first adjustment rods 212 symmetrically slidably connected to the first adjustment seat 211 along the horizontal direction. A first pair of centering rollers 213 for abutting against the left and right ends of the rubber hose along the conveying direction are rotatably connected to the first adjustment rods 212. A first adjustment screw rod 214 for driving the first adjustment rods 212 to slide towards each other synchronously is rotatably connected to the first adjustment seat 211. The first adjustment screw rod 214 is composed of two screw rods arranged coaxially and with opposite thread directions. A screw hole matching the first adjustment screw rod 214 is provided on the first adjustment rods 212. A first manual rotating wheel 215 for driving the first adjustment screw rod 214 to rotate is rotatably connected to the first adjustment seat 211. By driving the first adjustment screw rod 214 to rotate through the first manual rotating wheel 215, the first adjustment rods 212 move towards each other on the first adjustment seat 211, thereby driving the first pair of centering rollers 213 to abut against the left and right ends of the rubber hose. The first adjustment roller assembly 21 includes a second adjustment seat 221 fixedly connected to the base 1 and second adjustment rods 222 symmetrically slidably connected to the second adjustment seat 221 along the vertical direction. A second pair of centering rollers 223 for abutting against the upper and lower ends of the rubber hose along the conveying direction are rotatably connected to the second adjustment rods 222. A second adjustment screw rod 224 for driving the second adjustment rods 222 to slide towards each other synchronously is rotatably connected to the second adjustment seat 221. The second adjustment screw rod 224 is also composed of two screw rods arranged coaxially and with opposite thread directions. A screw hole matching the second adjustment screw rod 224 is also provided on the second adjustment rods 222. A second manual rotating wheel 225 for driving the second adjustment screw rod 224 to rotate is rotatably connected to the second adjustment seat 221. By driving the second adjustment screw rod 224 to rotate through the second manual rotating wheel 225, the second adjustment rods 222 move towards each other on the second adjustment seat 221, thereby driving the second pair of centering rollers 223 to abut against the upper and lower ends of the rubber hose.

[0026] Reference Figure 1 and Figure 3, specifically, the automatic adjustment roller assembly 3 has the same structure as the manual adjustment roller assembly 2. The automatic adjustment roller assembly 3 drives the first adjustment screw rod 214 and the second adjustment screw rod 224 based on the servo motor 31. The automatic adjustment roller assembly 3 is also fixedly provided with a position sensor 32 on the first adjustment rod 212 and the second adjustment rod 222 for measuring the distance between the two first adjustment rods 212 and the two second adjustment rods 222. The distance measured by the position sensor 32 is used to control the servo motor 31 to precisely control the distance between the first adjustment rod 212 and the two second adjustment rods 222, ensuring the straightness of the rubber hose when it enters the appearance detection assembly 5 and avoiding affecting the appearance detection result due to the bending of the rubber hose.

[0027] Reference Figure 1 and Figure 4 , specifically, the driving assembly 4 includes a driving seat 41 fixedly connected to the base 1 and a rolling shaft 42 rotatably connected to the driving seat 41 for abutting against the bottom of the rubber hose. A fixed rod 43 is fixedly connected to the driving seat 41 and a rotating mounting block 44 is rotatably connected to one end of the fixed rod 43. An installation shaft 45 is also fixedly provided on the driving seat 41. A return spring 46 for driving the rotating mounting block 44 to return is connected between the rotating mounting block 44 and the installation shaft 45. One end of the rotating block away from the fixed rod 43 is rotatably connected to a driving wheel 47 for abutting against the upper surface of the rubber hose. A driving motor 48 for driving the driving wheel 47 to rotate is fixedly connected to the rotating mounting block 44. The driving motor 48 drives the driving wheel 47 to rotate to drive the rubber hose for conveying. At the same time, the return spring 46 is installed between the rotating mounting block 44 and the installation shaft 45 to meet the driving and conveying requirements of rubber hoses with different diameters.

[0028] Reference Figure 5 and Figure 6, specifically, the appearance detection component 5 includes a detection base 51 fixedly connected to the base 1 and a light source cylinder 52 fixedly connected to the detection base 51. A through hole 53 for a rubber tube to pass through is provided on the light source cylinder 52. A plurality of appearance detection cameras 55 for extending into the light source cylinder 52 to detect the appearance of the rubber tube are slidably connected to the detection base 51 along the circumferential direction based on a sliding component 54. The sliding component 54 includes a screw table 541 fixedly connected to the detection base 51 and a sliding block 542 fixedly connected to the sliding end of the screw table 541. The appearance detection camera is fixedly connected to the sliding block 542. A plurality of reference scales 543 are fixedly provided on the detection base 51 along the circumferential direction and arranged in a direction parallel to the sliding direction of the screw table 541. A reference ruler 544 corresponding to the reference scale 543 is also fixedly provided on the sliding block 542. The rubber tube enters the light source cylinder 52 through the through hole 53. The light source cylinder 52 irradiates the rubber tube comprehensively to avoid generating shadows and affecting the appearance detection result. The appearance of the rubber tube is judged by taking pictures of the surface of the rubber tube with the appearance detection camera 55 and performing visual comparison. The distance that the appearance detection camera 55 extends into the light source cylinder 52 is adjusted through the sliding component 54 to meet the appearance detection requirements of rubber tubes with different diameters. The distance that the appearance detection camera 55 extends into the light source cylinder 52 is accurately calculated by the reference ruler 544 corresponding to the reference scale 543, and the structure is simple.

[0029] Brief description of the usage process: Multiple groups of manual adjustment roller assemblies 2 and automatic adjustment roller assemblies 3 are used to abut and position the rubber tube in the left-right direction and up-down direction during the conveying process through the first centering roller 213 and the second centering roller 223, so as to ensure the straightness of the rubber tube during the conveying process. The rubber tube enters the light source cylinder 52 through the through hole 53. The light source cylinder 52 irradiates the rubber tube comprehensively to avoid generating shadows and affecting the appearance detection result. The appearance of the rubber tube is judged by taking pictures of the surface of the rubber tube with the appearance detection camera 55 and performing visual comparison.

[0030] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications with creative contributions to this embodiment according to needs after reading this specification, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A hose testing machine, comprising a base (1); characterized in that, At least two sets of manual adjustment roller assemblies (2) and automatic adjustment roller assemblies (3) for adjusting the straightness of the rubber hose during transportation are fixedly arranged along the transportation direction of the rubber hose. A driving assembly (4) for driving the transportation of the rubber hose is fixedly connected between the manual adjustment roller assemblies (2), and an appearance detection assembly (5) for detecting the appearance of the rubber hose is fixedly connected between the automatic adjustment roller assemblies (3).

2. The rubber tube testing machine according to claim 1, characterized in that, The manual adjustment roller assembly (2) includes a first adjustment roller assembly (21) for adjusting the straightness of the rubber hose in the left-right direction along the transportation direction and a second adjustment roller assembly (22) for adjusting the straightness in the up-down direction.

3. The rubber tube testing machine according to claim 2, wherein, The first adjustment roller assembly (21) includes a first adjustment seat (211) fixedly connected to the base (1) and a first adjustment rod (212) symmetrically slidingly connected to the first adjustment seat (211) in the horizontal direction. A first centering roller (213) for abutting against the left and right ends of the rubber hose along the transportation direction is rotatably connected to the first adjustment rod (212). A first adjustment screw rod (214) for driving the first adjustment rod (212) to slide towards each other synchronously is rotatably connected to the first adjustment seat (211). The first adjustment screw rod (214) is composed of two screw rods arranged coaxially and with opposite helix directions. A screw hole matching the first adjustment screw rod (214) is formed on the first adjustment rod (212). A first manual rotating wheel (215) for driving the first adjustment screw rod (214) to rotate is rotatably connected to the first adjustment seat (211).

4. The hose testing machine according to claim 3, characterized in that, The second adjustment roller assembly (22) includes a second adjustment seat (221) fixedly connected to the base (1) and a second adjustment rod (222) symmetrically slidingly connected to the second adjustment seat (221) in the vertical direction. A second centering roller (223) for abutting against the upper and lower ends of the rubber hose along the transportation direction is rotatably connected to the second adjustment rod (222). A second adjustment screw rod (224) for driving the second adjustment rod (222) to slide towards each other synchronously is rotatably connected to the second adjustment seat (221). The second adjustment screw rod (224) is also composed of two screw rods arranged coaxially and with opposite helix directions. A screw hole matching the second adjustment screw rod (224) is also formed on the second adjustment rod (222). A second manual rotating wheel (225) for driving the second adjustment screw rod (224) to rotate is rotatably connected to the second adjustment seat (221).

5. The rubber tube testing machine according to claim 4, characterized in that, The automatic adjustment roller assembly (3) has the same structure as the manual adjustment roller assembly (2). The automatic adjustment roller assembly (3) drives the first adjustment screw rod (214) and the second adjustment screw rod (224) based on a servo motor (31). The automatic adjustment roller assembly (3) is also fixedly provided with in-place sensors (32) on the first adjustment rod (212) and the second adjustment rod (222) for measuring the distance between the two first adjustment rods (212) and the two second adjustment rods (222).

6. The hose testing machine according to claim 1, wherein, The drive assembly (4) includes a drive seat (41) fixedly connected to the base (1) and a rolling shaft (42) rotatably connected to the drive seat (41) for abutting against the bottom of the rubber tube. A fixed rod (43) is fixedly connected to the drive seat (41), and a rotating mounting block (44) is rotatably connected to one end of the fixed rod (43). An installation shaft (45) is also fixedly provided on the drive seat (41). A return spring (46) for driving the rotating mounting block (44) to return is connected between the rotating mounting block (44) and the installation shaft (45). A drive wheel (47) for abutting against the upper surface of the rubber tube is rotatably connected to one end of the rotating mounting block (44) away from the fixed rod (43). A drive motor (48) for driving the drive wheel (47) to rotate is fixedly connected to the rotating mounting block (44).

7. A rubber tube testing machine according to claim 1, characterized in that, The appearance detection assembly (5) includes a detection seat (51) fixedly connected to the base (1) and a light source cylinder (52) fixedly connected to the detection seat (51). A through hole (53) for the rubber tube to pass through is provided on the light source cylinder (52). A plurality of appearance detection cameras (55) for extending into the light source cylinder (52) to detect the appearance of the rubber tube are slidably connected to the detection seat (51) along the circumferential direction based on a sliding assembly (54).

8. A hose testing machine according to claim 7, characterized in that, The sliding assembly (54) includes a screw rod slide (541) fixedly connected to the detection seat (51) and a sliding block (542) fixedly connected to the sliding end of the screw rod slide (541). The appearance detection camera (55) is fixedly connected to the sliding block (542). A plurality of reference scales (543) arranged along the circumferential direction and parallel to the sliding direction of the screw rod slide (541) are fixedly provided on the detection seat (51). A reference ruler (544) corresponding to the reference scales (543) is also fixedly provided on the sliding block (542).

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