Detection tool for detecting precision casting

Abstract

The utility model relates to the casting detection field, and discloses a precision casting detection gauge comprising a support frame, the inner wall of the top end of the support frame is provided with an electric push rod, the lower surface of the electric push rod is provided with a dial indicator, the support frame is internally provided with a clamping assembly, and the clamping assembly comprises a support plate. An electric telescopic rod is arranged on the upper surface of the supporting plate, a toothed plate is fixedly connected to the upper surface of the electric telescopic rod, a gear is connected to the front surface of the toothed plate in an engaged mode, a driving rod penetrates through the right surface of the gear and is fixedly connected to the right surface of the gear, and a fixing disc is rotationally connected to the outer wall of the driving rod. According to the utility model, through the cooperation of the clamping assembly, the three groups of rollers can be driven to open and close synchronously after the electric telescopic rod is started, multi-point clamping can be performed on the cylindrical precision casting, the position stability of the casting in the detection process is ensured, and the detection accuracy of the cylindrical precision casting is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry test field especially relates to a precision casting detects with testing fixture. BACKGROUND

[0002] In modern manufacturing industry, precision casting plays a vital role, and is widely used in automobile, aerospace, machinery and many other fields. Its quality and precision directly affect the performance and reliability of the final product.

[0003] After the precision casting is processed, it needs to be detected in various ways, and the surface flatness test of the casting is one of them. In order to ensure the accuracy of the precision casting detection data, a clamp is generally used to clamp and fix it to ensure stability and prevent deviation.

[0004] But the contact surface of the traditional clamp is mostly flat, and when clamping the cylindrical precision casting, it is easy to loosen, and the stability of clamping is poor, which may cause the cylindrical precision casting to deviate during clamping, affecting the accuracy of detection, and thus reducing the accuracy of detection.

[0005] When the cylindrical precision casting is detected for surface flatness, it is usually necessary to detect different surfaces of the cylindrical precision casting. The traditional precision casting testing fixture usually needs to clamp and fix the cylindrical precision casting several times during the detection of different surfaces of the cylindrical precision casting, which increases the time required for detection and reduces the efficiency of testing. UTILITY MODEL CONTENTS

[0006] In order to make up for the above shortcomings, the utility model provides a precision casting detection testing fixture, which aims to improve the problem that the cylindrical precision casting is difficult to clamp effectively in the prior art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme: a precision casting detection testing fixture, comprising a support frame, the inner wall of the top end of the support frame is provided with an electric push rod, the lower surface of the electric push rod is provided with a dial indicator, the inside of the support frame is provided with a clamping assembly, the clamping assembly comprises a support plate, the upper surface of the support plate is provided with an electric telescopic rod, the upper surface of the electric telescopic rod is fixedly connected with a tooth plate, the front surface of the tooth plate is engagedly connected with a gear, the right surface of the gear penetrates and is fixedly connected with a drive rod, the outer wall of the drive rod is rotatably connected with a fixed disc, the right surface of the fixed disc is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding rod, the outer wall of the drive rod is fixedly connected with a rotating disc, the right surface of the rotating disc is provided with an open slot, the upper surface of the support plate is fixedly connected with a support column, the right surface of the support frame is provided with an adjusting assembly, and the inside of the support frame is provided with a rotating assembly.

[0008] As a further description of the above technical solutions:

[0009] The adjusting assembly comprises a motor, the output shaft of the motor is fixedly connected with a bidirectional threaded rod, the outer wall of the bidirectional threaded rod is threadedly connected with a sliding plate, and the lower inner wall of the support frame is provided with a flat groove.

[0010] As a further description of the above technical solutions:

[0011] The rotating assembly comprises a placing plate, the upper surface of the placing plate is provided with a U-shaped groove, the right surface of the sliding rod is fixedly connected with a rotating shaft, and the outer wall of the rotating shaft is rotatably connected with a roller.

[0012] As a further description of the above technical solutions:

[0013] The support plate is fixedly connected to the right surface of the sliding plate.

[0014] As a further description of the above technical solutions:

[0015] The sliding rod is slidably connected to the inner wall of the open groove, the driving rod is rotatably connected to the right surface of the sliding plate, and the fixed disc is fixedly connected to the upper surface of the support column.

[0016] As a further description of the above technical solutions:

[0017] The motor is arranged on the right surface of the support frame, and the sliding plate is slidably connected to the inner wall of the flat groove.

[0018] As a further description of the above technical solutions:

[0019] The placing plate is fixedly connected to the lower inner wall of the support frame.

[0020] As a further description of the above technical solutions:

[0021] The sliding rod, the open groove, the rotating shaft and the roller are provided with three groups, and the three groups of sliding rods, open grooves, rotating shafts and rollers are arranged in a ring array with the center point of the rotating disc.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、The utility model discloses a cylindrical precision casting detection device, which comprises a support frame, a clamping assembly and a rotating assembly.

[0024] 2. In the utility model, through the cooperation of rotating assembly, three groups of rollers only play positioning role when clamping cylindrical precision casting. After clamping, cylindrical precision casting can still rotate. When detecting, it can rotate to detect the surface flatness of different surfaces, and it is not necessary to clamp after turning over for many times, thereby shortening the detection time and improving the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the front view schematic diagram of the three-dimensional structure of the whole device in the utility model;

[0026] Figure 2 It is the split schematic diagram of the three-dimensional structure of the fixed disc, rotating disc and sliding rod in the utility model;

[0027] Figure 3 It is the split schematic diagram of the three-dimensional structure of the rotating shaft and roller in the utility model;

[0028] Figure 4 It is the sectional schematic diagram of the three-dimensional structure of the sliding plate in the utility model.

[0029] Legend:

[0030] 1, support frame; 2, electric push rod; 3, dial indicator; 41, motor; 42, bidirectional threaded rod; 43, sliding plate; 401, flat groove; 51, support plate; 52, electric telescopic rod; 53, toothed plate; 54, gear; 55, driving rod; 56, fixed disc; 57, sliding rod; 58, rotating disc; 59, support column; 501, sliding groove; 502, open slot; 61, placing plate; 62, rotating shaft; 63, roller; 601, U-shaped groove. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figure 1 - Figure 3The utility model provides a kind of detection tool for precision casting detection: a kind of detection tool for precision casting detection, including support frame 1, the inner wall of support frame 1 top end is provided with electric push rod 2, electric push rod 2 is prior art, and it can be realized by the skilled in the art, since it is prior art, so in this case, it is not described too much, the lower surface of electric push rod 2 is provided with dial gauge 3, dial gauge 3 is prior art, and it can be realized by the skilled in the art, since it is prior art, so in this case, it is not described too much, the flatness of the surface of cylindrical precision casting can be detected, the inside of support frame 1 is provided with clamping assembly, clamping assembly includes support plate 51, the upper surface of support plate 51 is provided with electric telescopic rod 52, electric telescopic rod 52 is prior art, and it can be realized by the skilled in the art, since it is prior art, so in this case, it is not described too much, the upper surface of electric telescopic rod 52 is fixedly connected with toothed plate 53, electric telescopic rod 52 can drive toothed plate 53 longitudinal movement in the process of telescoping, the front surface of toothed plate 53 is engagedly connected with gear 54, toothed plate 53 will drive gear 54 to rotate in the process of longitudinal movement, the right surface of gear 54 is penetrated and fixedly connected with driving rod 55, driving rod 55 is rotatably connected with fixed disc 56 on the outer wall, the right surface of fixed disc 56 is provided with sliding groove 501, the inner wall of sliding groove 501 is slidably connected with sliding rod 57, the outer wall of driving rod 55 is fixedly connected with turntable 58, gear 54 will drive turntable 58 to rotate synchronously when rotating, the right surface of turntable 58 is provided with opening slot 502, opening slot 502 is provided as arc, the inner wall of opening slot 502 will extrude sliding rod 57 when turntable 58 rotates, so that sliding rod 57 slides on the inner wall of sliding groove 501, the upper surface of support plate 51 is fixedly connected with support column 59, the right surface of support frame 1 is provided with adjusting assembly, the inside of support frame 1 is provided with rotating assembly.

[0033] Refer to Figure 1 , Figure 2 , Figure 4 Adjusting assembly includes motor 41, the output shaft of motor 41 is fixedly connected with bidirectional screw rod 42, motor 41, bidirectional screw rod 42 are prior art, and it can be realized by the skilled in the art, since it is prior art, so in this case, it is not described too much, the outer wall of bidirectional screw rod 42 is threadedly connected with sliding plate 43, the lower inner wall of support frame 1 is provided with flat groove 401, sliding plate 43, flat groove 401 are provided with two groups, two groups of sliding plate 43, flat groove 401 and the thread of the outer wall of bidirectional screw rod 42, with the center of support frame 1 left-right symmetrical distribution.

[0034] Refer to Figure 1 - Figure 3, the upper surface of the placement plate 61 is provided with a U-shaped groove 601, the U-shaped groove 601 can provide support for precision casting, the right surface of the sliding rod 57 is fixedly connected with a rotating shaft 62, the outer wall of the rotating shaft 62 is rotatably connected with a roller 63, the roller 63 is in direct contact with the surface of the columnar casting, and since the roller 63 can rotate, only the columnar casting can be positioned, and the columnar casting can rotate during detection.

[0035] With reference to Figure 1 - Figure 3 , the support plate 51 is fixedly connected to the right surface of the sliding plate 43, the sliding rod 57 is slidably connected to the inner wall of the open groove 502, the driving rod 55 is rotatably connected to the right surface of the sliding plate 43, the fixed disc 56 is fixedly connected to the upper surface of the support column 59, the fixed disc 56 cannot rotate, and the placement plate 61 is fixedly connected to the lower inner wall of the support frame 1.

[0036] With reference to Figure 1 - Figure 3 , the sliding rod 57, the open groove 502, the rotating shaft 62 and the roller 63 are provided in three groups, the three groups of sliding rod 57, open groove 502, rotating shaft 62 and roller 63 are arranged in a ring array with the center point of the rotating disc 58, and the three groups of sliding rod 57, open groove 502, rotating shaft 62 and roller 63 can be opened and closed synchronously to realize multi-point clamping of the surface of the cylindrical precision casting, thereby ensuring the stability of clamping.

[0037] Working principle: when the device is used, first, the cylindrical precision casting to be detected is placed on the inner wall of the U-shaped groove 601, then the motor 41 is started, the output shaft of the motor 41 drives the bidirectional threaded rod 42 to rotate, the rotating bidirectional threaded rod 42 drives the two groups of sliding plates 43 to open and close synchronously, when the two groups of sliding plates 43 are opened and closed to the appropriate position, the electric telescopic rod 52 is started to drive the toothed plate 53 to move longitudinally, in the process of longitudinal movement of the toothed plate 53, the gear 54 meshing with the toothed plate 53 is driven to rotate, thereby driving the driving rod 55 to rotate synchronously, and further driving the rotating disc 58 to rotate.

[0038] In the process of rotation of the rotating disc 58, the inner wall of the open groove 502 extrudes the outer wall of the sliding rod 57, thereby driving the sliding rod 57 to slide in the inner wall of the sliding groove 501, thereby driving the three groups of rollers 63 to move synchronously, so that the three groups of rollers 63 are opened and closed synchronously, the cylindrical precision casting is clamped, the cylindrical casting is prevented from shifting during clamping, the position of the casting is stable during detection, and the accuracy of the flatness test is improved.

[0039] Then the electric push rod 2 is started to drive the dial gauge 3 to move downwards, when the dial gauge 3 contacts the cylindrical precision casting, the data on the dial gauge 3 is recorded, then the cylindrical precision casting is rotated to rotate on the rollers 63, and the data on the dial gauge 3 at different angles is recorded, then the data is compared to calculate the flatness of the cylindrical precision casting, without multiple turning and clamping, thereby shortening the detection time, and further improving the detection efficiency.

[0040] Then the electric telescopic rod 52 is started to drive the toothed plate 53 to move upwards, which drives the gear 54 meshed therewith to rotate reversely, thereby driving the rotating disc 58 to rotate synchronously, so that three groups of rollers 63 are synchronously opened to release the clamping of the cylindrical precision casting, finally the motor 41 is started to drive two groups of sliding plates 43 to be synchronously opened to release the limiting of the cylindrical precision casting, and the cylindrical precision casting after detection is taken out.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A gauge for precision casting inspection, comprising a support frame (1), characterized in that: The inner wall of the top end of the support frame (1) is provided with an electric push rod (2), the lower surface of the electric push rod (2) is provided with a dial indicator (3), the inside of the support frame (1) is provided with a clamping assembly, the upper surface of the support plate (51) is provided with an electric telescopic rod (52), the upper surface of the electric telescopic rod (52) is fixedly connected with a toothed plate (53), the front surface of the toothed plate (53) is engagedly connected with a gear (54), the right surface of the gear (54) penetrates and is fixedly connected with a drive rod (55), the outer wall of the drive rod (55) is rotatably connected with a fixed disc (56), the right surface of the fixed disc (56) is provided with a sliding groove (501), the inner wall of the sliding groove (501) is slidably connected with a sliding rod (57), the outer wall of the drive rod (55) is fixedly connected with a rotating disc (58), the right surface of the rotating disc (58) is provided with an open slot (502), the upper surface of the support plate (51) is fixedly connected with a support column (59), the right surface of the support frame (1) is provided with an adjusting assembly, and the inside of the support frame (1) is provided with a rotating assembly.

2. The gauge for precision casting according to claim 1, characterized in that: The adjusting assembly comprises a motor (41), the output shaft of the motor (41) is fixedly connected with a bidirectional threaded rod (42), the outer wall of the bidirectional threaded rod (42) is threadedly connected with a sliding plate (43), and the lower inner wall of the support frame (1) is provided with a flat groove (401).

3. The gauge according to claim 1, wherein: The rotating assembly comprises a placement plate (61), the upper surface of the placement plate (61) is provided with a U-shaped groove (601), the right surface of the sliding rod (57) is fixedly connected with a rotating shaft (62), and the outer wall of the rotating shaft (62) is rotatably connected with a roller (63).

4. The precision casting detection gauge according to claim 1, characterized in that: The support plate (51) is fixedly connected to the right surface of the sliding plate (43).

5. The precision casting detection gauge according to claim 2, characterized in that: The sliding rod (57) is slidably connected to the inner wall of the open slot (502), the drive rod (55) is rotatably connected to the right surface of the sliding plate (43), and the fixed disc (56) is fixedly connected to the upper surface of the support column (59).

6. The precision casting detection gauge according to claim 2, characterized in that: The motor (41) is arranged on the right surface of the support frame (1), and the sliding plate (43) is slidably connected to the inner wall of the flat groove (401).

7. The precision casting detection gauge according to claim 3, characterized in that: The placement plate (61) is fixedly connected to the lower inner wall of the support frame (1).

8. The precision casting detection gauge according to claim 3, characterized in that: The sliding rod (57), the open slot (502), the rotating shaft (62) and the roller (63) are provided in three groups, and the three groups of sliding rods (57), open slots (502), rotating shafts (62) and rollers (63) are arranged in an annular array with the center point of the rotating disc (58).

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