Auxiliary tool for detecting straightness of special-shaped part

Abstract

The utility model discloses an auxiliary tool for detecting the straightness of a special-shaped part, which belongs to the field of special-shaped part detection, and comprises a detection table, a mounting frame fixedly mounted on the side surface of the detection table, a turntable rotatably mounted in the mounting frame, a screw fixedly mounted at one end of the turntable, and a screw rod fixedly mounted at the other end of the turntable. A mounting table is installed on the surface of the screw in a threaded mode, a displacement sensor is fixedly installed in the middle of the top face of the detection table, a motor is fixedly installed in the mounting table, an output shaft of the motor is fixedly connected with a first bevel gear in a sleeving mode, and a limiting disc is rotatably installed in the mounting table. The device is simple in structure and convenient to operate, a worker is assisted to make contact between the tip and a part, in the clamping process, the center and the tip can be automatically aligned when the side face of the part is round or square, the preassembling time is greatly shortened, operation of the worker is facilitated, and the limitation of an original detection device in the using process is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of special-shaped part detection, more specifically, to a special-shaped part straightness detection auxiliary tool. BACKGROUND

[0002] After the special-shaped part is processed, the straightness of its surface is detected to determine whether it can meet the use requirements, and the patent publication number CN220568107U discloses a straightness measuring instrument for shaft parts, which comprises a bearing table and a measuring assembly, the measuring assembly is arranged on the top of the bearing table, the measuring assembly comprises a sleeve, the sleeve is provided with a movable table, the movable table is provided with a pulley on the top, the outer wall of the sleeve is provided with a displacement sensor, the side wall of the movable table is connected with the displacement sensor, the bottom of the movable table is provided with a reset spring, the pulley is connected with the shaft part in rotation when the surface of the shaft part has protrusions or depressions, the displacement sensor can detect the displacement data of the movable table during the lifting of the movable table, and the straightness of the shaft part can be obtained by analyzing the displacement data of the movable table, compared with the prior art, the efficiency of the straightness measurement of the shaft part is greatly improved.

[0003] In the prior art, although the device can improve the detection efficiency during the straightness detection of the part, in the actual use process, since there is no applicable auxiliary tool for the center to help the staff to stabilize the part in time, the staff is more troublesome during the installation process, and the staff needs to manually align the center of the center with the side of the part, and the manual operation is inevitably error, thereby affecting the measurement accuracy of the overall straightness, and therefore the limitation of the device in the use process is improved. UTILITY MODEL CONTENT

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the utility model aims to provide a special-shaped part straightness detection auxiliary tool, which can clamp and fix the side of the part, assist the staff to contact the center with the part, and automatically align the center with the center during clamping when the side is circular or square, greatly reducing the pre-installation time, facilitating the staff operation, and reducing the limitation of the original detection device in the use process.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] The utility model provides an auxiliary tool for profiled part straightness detection, including detection stage, the side surface fixed mounting of detection stage has installed mounting bracket, rotates and installs the carousel in the inside of mounting bracket, one end fixed mounting of carousel has screw rod, the surface screw thread installation of screw rod has installed mounting block, the middle part fixed mounting of detection stage top surface has displacement sensor,

[0009] The inside of the mounting block is fixedly installed with a motor, the output shaft of the motor is fixedly sleeved with a bevel gear one, the inside of the mounting block is rotatably installed with a limiting disc, the bottom end of the limiting disc is fixedly installed with a stud, the surface of the stud is screwedly installed with a lifting plate;

[0010] The outer end of the lifting plate is fixedly installed with a connecting plate, a T-shaped groove is formed in the outer end of the connecting plate, a T-shaped block is detachably installed in the T-shaped groove, and a pressing roller is fixedly installed at the outer end of the T-shaped block.

[0011] Further, the middle part of the mounting bracket is integrally formed with two centers, and the profiled part is placed between the two centers.

[0012] Further, the bottom end of the stud is fixedly installed with four bevel gears two, and the four bevel gears two are meshed with the bevel gear one.

[0013] Further, a pull plate is slidably installed in the inside of one end of the T-shaped block, and a plug rod is integrally formed at the bottom end of the pull plate.

[0014] Further, the number of the pull plates is two, and the same spring is fixedly connected to the inside of the top end of the two pull plates.

[0015] Further, a circular hole is formed in the surface of the connecting plate, and the size of the circular hole is matched with the size of the plug rod.

[0016] Further, the middle section of the pressing roller is provided as a curved surface structure.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] (1) The bevel gear one drives the bevel gear two to preliminarily clamp and fix the two ends of the part, so that the overall pre-assembly time can be effectively reduced when the staff pre-assembles the part, and the staff operation is facilitated, and the practicability of the device is greatly improved.

[0020] (2) The scheme utilizes the automatic calibration of the pressing roller in the clamping process, so that the parts with circular or square side surfaces can directly contact the center of the center, thereby facilitating the improvement of the accuracy of the subsequent straightness detection, and in addition, the pressing roller can be disassembled alone to adapt to the clamping requirements of more kinds of parts, thereby further improving the practicability of the auxiliary device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an overall structure schematic view in the utility model;

[0022] Figure 2 It is an overall structure schematic view of the mounting block in the utility model;

[0023] Figure 3 It is an overall structure schematic view of the mounting block in the utility model;

[0024] Figure 4 It is a T-shaped block structure schematic view in the utility model.

[0025] Mark explanation in the drawing:

[0026] 1, detection table; 2, mounting frame; 3, turntable; 4, screw; 5, mounting block; 6, displacement sensor; 501, center; 502, motor; 503, helical gear one; 504, helical gear two; 505, stud; 506, limit disc; 507, lifting plate; 508, connecting plate; 509, T-shaped block; 5010, pressing roller; 5011, pull plate; 5012, insertion rod. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "sleeve set / interface", "connection" and so on, should do the broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0030] Embodiment 1:

[0031] Please refer to Figures 1-4 A kind of auxiliary tool for profiled part straightness detection, including detection table 1, the side surface of the detection table 1 is fixedly installed with mounting bracket 2, rotatingly installed with carousel 3 in the inside of the mounting bracket 2, the one end of the carousel 3 is fixedly installed with screw rod 4, the surface of the screw rod 4 is screw-mounted with mounting block 5, the middle part of the top surface of the detection table 1 is fixedly installed with displacement sensor 6, the middle part of the mounting block 5 is integrally formed with centre 501, the number of centre 501 is two, profiled part is placed between the two centre 501s;

[0032] It should be noted that the screw rod 4 and the displacement sensor 6 in the utility model are the same as the same components in the comparative document, and the functions and specific working processes are consistent, so in the utility model, it is not described in detail;The inside of the mounting block 5 is fixedly installed with motor 502, the output shaft of the motor 502 is fixedly sleeved with bevel gear one 503, the inside of the mounting block 5 is rotatably installed with limit disc 506, the bottom end of the limit disc 506 is fixedly installed with stud 505, the surface of the stud 505 is screw-mounted with lifting plate 507, the bottom end of the stud 505 is fixedly installed with bevel gear two 504, the number of bevel gear two 504 is four, and the four bevel gear two 504 are meshed with bevel gear one 503.

[0033] Specifically, four bevel gear two 504 are meshed with bevel gear one 503 to achieve the purpose of one-to-four, ensure that four lifting plates 507 can move synchronously, so as to ensure that the center clamped by it is consistent with the center of centre 501, so the staff need not to calibrate the center of the part and centre 501, in addition, the limit disc 506 rotates in the inside of the mounting block 5 can ensure that the stud 505 as a whole rotates in situ, so as to ensure that the surfaces of bevel gear two 504 and bevel gear one 503 can effectively mesh, achieving the purpose of transmission.

[0034] The outer end of the lifting plate 507 is fixedly installed with a connecting plate 508, a T-shaped groove is formed in the outer end of the connecting plate 508, a T-shaped block 509 is detachably installed in the T-shaped groove, a pressing roller 5010 is fixedly installed at the outer end of the T-shaped block 509, a pull plate 5011 is slidably installed in one end of the T-shaped block 509, a plug rod 5012 is integrally formed at the bottom end of the pull plate 5011, the number of the pull plate 5011 is two, the same spring is fixedly connected to the top end of the two pull plates 5011, a circular hole is formed in the surface of the connecting plate 508, the size of the circular hole is matched with the size of the plug rod 5012, and the middle section of the pressing roller 5010 is provided as a curved surface structure.

[0035] Specifically, the curved surface structure of the pressing roller 5010 can not be limited by the surface shape of the part when contacting the part, thereby improving the applicability of the device itself, and the circular hole is used to ensure that the T-shaped block 509 can be stably fixed in the T-shaped groove of the connecting plate 508, thereby ensuring the synchronous transmission of the connecting plate 508 and the pressing roller 5010.

[0036] The working principle of the device is as follows: first, rotate the screw rod 4 to drive the two mounting blocks 5 to move away from each other, then place the part inside, at this time, start the motor 502 to drive the bevel gear one 503 to rotate, the bevel gear one 503 cooperates with the bevel gear two 504 to drive the stud 505 to rotate, so that the lifting plate 507 is displaced, the four lifting plates 507 move towards the center at the same time, and the pressing roller 5010 clamps one end of the part, then rotate the screw rod 4 again to drive the mounting blocks 5 to move towards each other, so that one end of the center 501 abuts against the side surface of the part, at this time, the outer end of the center 501 is matched with the center of the side surface of the part, and finally the straightness is tested by using the displacement sensor 6.

[0037] The above is only a preferred specific embodiment of the device; however, the protection scope of the device is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the device within the technical range disclosed by the device, which should be covered in the protection scope of the device.

Claims

1. An auxiliary tooling for straightness inspection of irregularly shaped parts, comprising an inspection table (1), characterized in that: A mounting bracket (2) is fixedly installed on the side of the testing platform (1). A turntable (3) is rotatably installed inside the mounting bracket (2). A screw (4) is fixedly installed at one end of the turntable (3). A mounting block (5) is threaded on the surface of the screw (4). A displacement sensor (6) is fixedly installed in the middle of the top surface of the testing platform (1). A motor (502) is fixedly installed inside the mounting block (5). A helical gear (503) is fixedly sleeved on the output shaft of the motor (502). A limiting plate (506) is rotatably installed inside the mounting block (5). A stud (505) is fixedly installed at the bottom end of the limiting plate (506). A lifting plate (507) is threaded on the surface of the stud (505). A connecting plate (508) is fixedly installed on the outer end of the lifting plate (507). A T-shaped groove is opened on the outer end of the connecting plate (508). A T-shaped block (509) is detachably installed inside the T-shaped groove. A pressing roller (5010) is fixedly installed on the outer end of the T-shaped block (509).

2. The auxiliary tooling for straightness inspection of irregularly shaped parts according to claim 1, characterized in that: The mounting block (5) has a centrally formed tip (501), and there are two tips (501). A non-standard part is placed between the two tips (501).

3. The auxiliary tooling for straightness inspection of irregularly shaped parts according to claim 1, characterized in that: The bottom end of the stud (505) is fixedly installed with a second helical gear (504). There are four second helical gears (504), and all four second helical gears (504) mesh with the first helical gear (503).

4. The auxiliary tooling for straightness inspection of irregularly shaped parts according to claim 1, characterized in that: A pull plate (5011) is slidably installed inside one end of the T-shaped block (509), and a plug rod (5012) is integrally formed at the bottom end of the pull plate (5011).

5. The auxiliary tooling for straightness inspection of irregularly shaped parts according to claim 4, characterized in that: There are two pull plates (5011), and the same spring is fixedly connected inside the top of each of the two pull plates (5011).

6. The auxiliary tooling for straightness inspection of irregularly shaped parts according to claim 1, characterized in that: The surface of the connecting plate (508) is provided with a circular hole, the size of which is adapted to the size of the insertion rod (5012).

7. The auxiliary tooling for straightness inspection of irregularly shaped parts according to claim 1, characterized in that: The middle section of the pressing roller (5010) is configured with a curved surface structure.

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