CN215810718U

CN215810718U - Piston rod processing table wall roughness detects structure

Info

Publication number: CN215810718U
Application number: CN202121671564.XU
Authority: CN
Inventors: 胡玉道
Original assignee: Wuxi Luobei Machinery Technology Co ltd
Current assignee: Wuxi Luobei Machinery Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-02-11
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a piston rod processing surface wall flatness detection structure, which comprises: the inspection table is characterized in that clamping plates are arranged on two sides of the upper end of the inspection table, a moving mechanism is arranged in a transverse groove in the upper end of the inspection table, the two clamping plates slide on the upper end of the inspection table relatively through the moving mechanism, the inner parts of the clamping plates are of hollow structures, rotating mechanisms are arranged in inner cavities of the clamping plates, the upper ends of connecting columns at four corners of the upper end of the inspection table are fixedly connected with a top plate, an infrared distance meter is arranged at the bottom end of the top plate, and a transverse moving mechanism is arranged in an inner cavity of the top plate, so that the inspection table has the following advantages: through setting up sideslip mechanism and infrared range finder, drive infrared range finder through the sideslip mechanism and remove for infrared range finder detects everywhere on piston rod surface, compares the distance data of different departments, and the difference of maximum distance value and minimum distance value is the plane degree of piston rod promptly.

Description

Piston rod processing table wall roughness detects structure

Technical Field

The utility model relates to the technical field of piston rod flatness detection devices, in particular to a piston rod machining surface wall flatness detection structure.

Background

The piston rod is a connecting component, one end of which is connected with the piston and can drive the piston to move, and is usually installed in a cylinder, when the piston rod is processed, the flatness of the surface wall of the piston rod needs to be detected, the flatness refers to the variation values of different points and a reference plane on the surface of the piston rod, the flatness is obtained through the difference between the maximum variation value and the minimum variation value of each measuring point and the reference plane, and the flatness is generally detected by adopting a flat crystal interference method and a surface measuring method.

In the prior art, when the detection is carried out by using the flat crystal interference method and the meter-printing measurement method, the detection process of the meter-printing measurement method is complicated, and when the flat crystal interference method is used, a piston rod is inconvenient to fix during the detection, and the detection data is easy to have errors.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that when the detection is carried out by using a flat crystal interference method and a meter-striking measurement method, the detection process of the meter-striking measurement method is complicated, a piston rod is inconvenient to fix when the detection is carried out by using the flat crystal interference method, and errors are easy to occur in detection data, so that the structure for detecting the flatness of the machined surface wall of the piston rod is provided.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a piston rod processing table wall roughness detects structure, it includes: the inspection bench, the upper end both sides of inspection bench all are provided with splint, be provided with moving mechanism, two in the upper end cross slot of inspection bench splint pass through moving mechanism relative slip in the upper end of inspection bench, splint inside is hollow structure, all be provided with slewing mechanism in the inner chamber of splint, the spliced pole upper end fixedly connected with roof in inspection bench upper end four corners, the bottom of roof is provided with infrared range finder, be provided with the sideslip mechanism in the inside cavity of roof, infrared range finder passes through sideslip mechanism sliding connection in the bottom of roof.

Preferably, the moving mechanism comprises a motor, the motor is fixedly connected to the middle of an upper end transverse groove of the inspection table, the motor is a double-end motor, two lead screws are fixedly connected to two ends of the motor respectively, the surface threads of the lead screws are opposite in direction, two ends of the lead screws, which are far away from each other, are respectively connected to two ends of the upper end transverse groove of the inspection table in a rotating mode, sliders are connected to the surface of the lead screws in a threaded mode, each splint is fixedly connected to the upper ends of the corresponding sliders respectively, and the distance between the two splints can be changed through the moving mechanism, so that a piston rod to be detected is firmly clamped between two rotating columns of the splint and is fixed and stable.

Preferably, slewing mechanism all includes No. two motors, two No. two motor difference fixed connection is in the one side inner wall that two splint were kept away from each other, the equal fixedly connected with rotation post of output of No. two motors, two the rotation post runs through two relative one side middle parts of splint respectively and extends to the splint outside, utilizes slewing mechanism can drive the piston rod and rotates for the piston rod rotates to different faces, and infrared distance meter can detect piston rod different face each department.

Preferably, the transverse moving mechanism comprises a third motor, the third motor is fixedly connected to one end of the inner cavity of the top plate, the output end of the third motor is fixedly connected with a second lead screw, one end, far away from the third motor, of the second lead screw is rotatably connected to the middle of the end wall of the inner cavity of the corresponding top plate, a moving block is in threaded connection with the surface of the second lead screw, the bottom end of the moving block penetrates through an opening in the bottom side of the top plate and is fixedly connected to the upper end of the infrared range finder, the transverse moving mechanism drives the infrared range finder to move, and the infrared range finder can conveniently detect all positions on the surface of the piston rod.

The utility model has the following advantages:

through setting up sideslip mechanism and infrared range finder, drive infrared range finder through the sideslip mechanism and remove for infrared range finder detects everywhere on piston rod surface, compares the distance data of different departments, and the difference of maximum distance value and minimum distance value is the plane degree of piston rod, through this kind of mode automated inspection, the process is simple.

Through setting up moving mechanism and splint, can drive the distance change between two splint through moving mechanism for the piston rod that detects is firm to be held between two rotation posts of splint, and is fixed simple and stable, guarantees the accuracy of detection data, and this kind of fixed mode is also suitable for to the piston rod of different length.

Through setting up slewing mechanism, utilize two slewing mechanism can drive the piston rod and rotate for the piston rod rotates to different faces, and infrared distance meter can detect piston rod difference face each, and it is more accurate to detect data.

Drawings

Fig. 1 is a schematic perspective view of a piston rod processing surface wall flatness detecting structure according to a preferred embodiment of the present invention;

FIG. 2 is a sectional view of a clamping plate of a piston rod processing surface wall flatness detecting structure according to a preferred embodiment of the present invention;

fig. 3 is a schematic top plate front view cross-sectional structure diagram of a piston rod processing surface wall flatness detecting structure according to a preferred embodiment of the present invention.

Description of reference numerals: 1. an inspection table; 2. a splint; 3. a moving mechanism; 31. a first motor; 32. a first screw rod; 33. a slider; 4. a rotating mechanism; 41. a second motor; 42. rotating the column; 5. a top plate; 6. an infrared range finder; 7. a traversing mechanism; 71. a third motor; 72. a second screw rod; 73. moving the mass.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in figures 1-3, a piston rod processing surface wall flatness detection structure comprises an inspection table 1, wherein two sides of the upper end of the inspection table 1 are respectively provided with a clamp plate 2, two clamp plates 2 can detect a piston rod to be detected, a moving mechanism 3 is arranged in a transverse groove at the upper end of the inspection table 1, the two clamp plates 2 slide relatively to the upper end of the inspection table 1 through the moving mechanism 3, the two clamp plates 2 can be driven to move relatively through the moving mechanism 3, rotating mechanisms 4 are arranged in inner cavities in the clamp plates 2, the piston rod between two rotating columns 42 can be driven to rotate through the two rotating mechanisms 4, the upper ends of connecting columns at four corners at the upper end of the inspection table 1 are fixedly connected with a top plate 5, an infrared distance meter 6 is arranged at the bottom end of the top plate 5, the distance between the transmitting end of the infrared distance meter 6 and the surface of the piston rod can be detected through the infrared distance meter 6, a transverse moving mechanism 7 is arranged in an inner cavity of the top plate 5, infrared range finder 6 passes through 7 sliding connection of sideslip mechanism in the bottom of roof 5, can drive infrared range finder 6 through sideslip mechanism 7 and remove everywhere to the piston rod surface and detect.

Wherein, each part transmission through moving mechanism 3 can drive two splint 2 relative motion, moving mechanism 3 includes a motor 31, a lead screw 32 and slider 33, when a motor 31 of fixed connection in the upper end transverse groove middle part of inspection desk 1 ran, because a motor 31 is double-end motor, a lead screw 32 of a both ends fixed connection of a motor 31 rotates thereupon, because the surperficial screw thread opposite direction of two lead screws 32, the slider 33 of the surperficial threaded connection of two lead screws 32 can relative motion, drives splint 2 relative motion of its upper end fixed connection.

Wherein, can drive infrared range finder 6 through sideslip mechanism 7 and remove, sideslip mechanism 7 includes No. three motors 71. The second lead screw 72 is fixedly connected to the third motor 71 at one end of the inner cavity of the top plate 5 in a running mode, the second lead screw 72 fixedly connected to the output end of the second lead screw 72 is driven to rotate, the moving block 73 in threaded connection with the surface of the second lead screw 72 moves along with the second lead screw, and due to the fact that the lower end of the moving block 73 penetrates through the opening in the bottom side of the top plate 5 and is fixedly connected with the upper end of the infrared distance measuring device 6, when the moving block 73 moves, the infrared distance measuring device 6 can be driven to move, and detection is convenient for detecting all parts of the surface of the piston rod.

Wherein, can drive the piston rod rotation between two rotation posts 42 through slewing mechanism 4, slewing mechanism 4 all includes No. two motors 41 and rotation post 42, the equal fixedly connected with motor 41 No. two of one side inner wall that two splint 2 kept away from each other, when two motors 41 were in operation No. two, can drive its output fixed connection's rotation post 42 and rotate, two rotation posts 42 run through the one side middle part that two splint 2 are close to each other respectively, every rotation post 42 all extends to splint 2 outsidely, can drive piston rod rotation between when two rotation posts 42 rotate.

The working principle is as follows: when the flatness of the surface wall of the piston rod is detected, firstly, the piston rod to be detected is placed between two rotating columns 42, then a first motor 31 of a moving mechanism 3 is opened to drive a first screw rod 32 at two ends to rotate, a sliding block 33 in threaded connection with the surfaces of the two first screw rods 32 relatively moves to approach, so that the piston rod to be detected is stably clamped between the two rotating columns 42 of the clamping plate 2, then the first motor 31 is closed, flatness in the surface of the first motor is detected, an infrared distance meter 6 and a transverse moving mechanism 7 are opened, the infrared distance meter 6 can emit infrared rays to the surface of the piston rod to be detected, the distance between the emitting end of the infrared distance meter 6 and the surface of the piston rod can be measured, a third motor 71 of the transverse moving mechanism 7 is opened to drive a second screw rod 72 to rotate, a moving block 73 on the surface of the second screw rod 72 moves along with the second screw rod 72 to drive the infrared distance meter 6 at the lower end to move, make infrared distance measuring device 6 detect everywhere on the piston rod surface, contrast the distance data of different departments, the difference between maximum distance value and minimum distance value is the plane degree error, two slewing mechanism 4 drive piston rod rotations of recycling, two No. two motors 41 that open slewing mechanism 4 drive the rotation post 42 and rotate, make the piston rod between two rotation posts 42 rotate to different faces, infrared distance measuring device 6 can detect everywhere the piston rod difference, be convenient for contrast the data of other faces, plane degree error data is more accurate comprehensive.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the utility model not described in detail are prior art and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a piston rod processing table wall roughness detects structure, includes: inspection table (1), its characterized in that, the upper end both sides of inspection table (1) all are provided with splint (2), be provided with moving mechanism (3), two in the upper end transverse groove of inspection table (1) splint (2) are through moving mechanism (3) relative slip in the upper end of inspection table (1), splint (2) are inside to be hollow structure, the intracavity of splint (2) all is provided with slewing mechanism (4), the spliced pole upper end fixedly connected with roof (5) in inspection table (1) upper end four corners, the bottom of roof (5) is provided with infrared range finder (6), be provided with sideslip mechanism (7) in the inside cavity of roof (5), infrared range finder (6) are through sideslip mechanism (7) sliding connection in the bottom of roof (5).

2. The piston rod processing surface wall flatness detecting structure according to claim 1, wherein the moving mechanism (3) includes a first motor (31), the first motor (31) is fixedly connected to the middle of the upper end transverse groove of the inspection table (1), the first motor (31) is a double-head motor, two ends of the first motor (31) are fixedly connected with first lead screws (32), the surface thread directions of the two first lead screws (32) are opposite, the ends of the two first lead screws (32) far away from each other are respectively rotatably connected to two ends of the upper end transverse groove of the inspection table (1), the surface of the first lead screw (32) is respectively connected with a sliding block (33) in a threaded manner, and each clamping plate (2) is respectively fixedly connected to the upper end of the corresponding sliding block (33).

3. The piston rod processing meter wall flatness detecting structure according to claim 1, wherein the rotating mechanisms (4) each include two motors (41), two of the two motors (41) are respectively and fixedly connected to the inner wall of one side of the two clamping plates (2) away from each other, the output ends of the two motors (41) are respectively and fixedly connected with rotating columns (42), and the two rotating columns (42) respectively penetrate through the middle portions of the two opposite sides of the two clamping plates (2) and extend to the outside of the clamping plates (2).

4. The piston rod machining surface wall flatness detecting structure as claimed in claim 1, wherein the traversing mechanism (7) includes a third motor (71), the third motor (71) is fixedly connected to one end of the internal cavity of the top plate (5), an output end of the third motor (71) is fixedly connected with a second lead screw (72), one end of the second lead screw (72) far away from the third motor (71) is rotatably connected to the middle portion of the end wall of the internal cavity of the corresponding top plate (5), a moving block (73) is connected to the surface of the second lead screw (72) in a threaded manner, and a bottom end of the moving block (73) penetrates through a bottom opening of the top plate (5) and is fixedly connected to an upper end of the infrared distance measuring device (6).