Casting hardness detection device

Abstract

The utility model relates to the technical field of casting production and processing, and discloses a casting hardness detection device. The casting hardness detection device comprises a bottom plate, guide rails, a placement plate and a detection mechanism, the two guide rails are fixedly connected to the bottom plate, the placement plate is arranged on the two guide rails in a sliding mode, the detection mechanism is arranged on the bottom plate, and the detection mechanism comprises a support, a movable plate, a detection rod and a first spring. The rear portion of the bottom plate is fixedly connected with a support, a movable plate is arranged on the support in a sliding mode, a detection rod is arranged on the movable plate, and the detection rod is sleeved with a first spring. The gear rotates to drive the second rack to move downwards, so that the movable plate moves downwards, the detection rod extrudes the casting, the hardness of the casting is detected, the automatic detection purpose is achieved, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting production and processing, and discloses a casting hardness detection device. Background Art

[0002] Casting hardness testing refers to an important inspection of castings during the manufacturing process. The purpose is to evaluate the mechanical properties of castings. Hardness testing is a non-destructive quality test that can quickly, economically and easily determine the characteristics of materials and their suitability for application. This test can reflect the material's elasticity, plasticity, strength, toughness and wear resistance and other physical quantities.

[0003] Casting hardness testing is to directly test finished or semi-finished workpieces without damaging the castings. The existing casting hardness testing is usually done using a hardness tester. The probe is placed in a sleeve, the sleeve is placed on a support handle, and the support handle is placed on the casting. A hammer is used to hit the top of the probe for hardness testing. The process is relatively cumbersome and the force of the knock cannot be accurately controlled, thereby reducing the efficiency of the test.

[0004] Therefore, a casting hardness detection device capable of automatic detection is needed to solve the problems existing in the prior art. Utility Model Content

[0005] In order to overcome the shortcomings of the existing method of testing the hardness of castings usually using a hardness tester, placing a probe into a sleeve, then placing the sleeve on a support handle, then placing the support handle on the casting, and using a hammer to hit the top of the probe for hardness testing, the process is relatively cumbersome, and the force of the knocking cannot be accurately controlled, thereby reducing the efficiency of the test. The utility model provides a casting hardness testing device that can automatically detect.

[0006] In order to achieve the purpose of automatic detection, the utility model provides the following technical solutions: a casting hardness detection device, including a base plate, a guide rail, a placement plate and a detection mechanism, two guide rails are fixedly connected to the base plate, a placement plate is slidably arranged on the two guide rails, and a detection mechanism is arranged on the base plate.

[0007] In one embodiment, the detection mechanism includes a bracket, a movable plate, a detection rod and a first spring. The bracket is fixedly connected to the rear of the base plate, the movable plate is slidably arranged on the bracket, the detection rod is arranged on the movable plate, and the first spring is sleeved on the detection rod.

[0008] In one of the embodiments, guide rods are further included, and two guide rods are fixedly connected inside the bracket.

[0009] In one embodiment, the pushing mechanism includes a reciprocating screw, a guide sleeve, a first rack, a gear, a second rack, a servo motor and a transmission assembly. A reciprocating screw is rotatably arranged on the base plate, a guide sleeve is threadedly arranged on the reciprocating screw, a first rack is connected to the guide sleeve, a gear is arranged inside the bracket, the gear is meshed with the first rack, two second racks are arranged at the bottom of the movable plate, the second rack is meshed with the gear, a servo motor is installed at the bottom of the base plate, and a transmission assembly is jointly arranged with the output shaft of the servo motor and the reciprocating screw.

[0010] In one of the embodiments, a clamping rod is further included, the bottom of the placement plate is fixedly connected with the clamping rod, and the clamping rod slides on the first rack.

[0011] In one embodiment, the limiting mechanism includes a fixed sleeve, a locking ball and a second spring. The fixed sleeve is fixedly connected to the guide sleeve, and a locking ball is slidably arranged on the fixed sleeve. The locking ball is clamped with the placement plate, and a second spring is connected between the fixed sleeve and the locking ball.

[0012] In one of the embodiments, it also includes supporting feet, and a plurality of supporting feet are fixedly connected to the bottom of the base plate.

[0013] In one embodiment, a third spring is further included, and the third spring is connected between the bracket and the movable plate.

[0014] Compared with the prior art, the utility model provides a casting hardness detection device, which has the following beneficial effects: 1. The second rack is driven to move downward by the rotation of the gear, and then the movable plate is moved downward, so that the detection rod squeezes the casting, and then the hardness of the casting is detected, thereby achieving the purpose of automatic detection and improving the detection efficiency.

[0015] 2. The first spring returns to its original state to buffer the impact force when the detection rod moves downward, thereby avoiding damage to the casting due to excessive pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model.

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the detection mechanism of the utility model.

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the driving mechanism of the utility model.

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the limiting mechanism of the utility model.

[0021] Markings in the figure are: 1-base plate, 2-guide rail, 3-placing plate, 4-detection mechanism, 41-bracket, 42-movable plate, 43-guide rod, 44-detection rod, 45-first spring, 5-pushing mechanism, 51-reciprocating screw, 52-guide sleeve, 53-clamping rod, 54-first rack, 55-gear, 56-second rack, 57-servo motor, 58-transmission assembly, 6-limiting mechanism, 61-fixed sleeve, 62-clamping ball, 63-second spring, 7-third spring, 8-support foot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: A casting hardness detection device, see Figure 1-Figure 5, including a bottom plate 1, a guide rail 2, a placement plate 3 and a detection mechanism 4, two guide rails 2 are fixedly connected to the bottom plate 1, and the placement plate 3 is slidably arranged on the two guide rails 2, and the detection mechanism 4 is arranged on the bottom plate 1, and the detection mechanism 4 includes a bracket 41, a movable plate 42, a detection rod 44 and a first spring 45, and the rear part of the bottom plate 1 is fixedly connected to the bracket 41, and the movable plate 42 is slidably arranged on the bracket 41, and the detection rod 44 is arranged on the movable plate 42, and the first spring 45 is sleeved on the detection rod 44, and the two ends of the first spring 45 are respectively connected to the movable plate 42 and the detection rod 44 , also includes a guide rod 43, two guide rods 43 are fixedly connected inside the bracket 41, and the movable plate 42 slides on the two guide rods 43. The pushing mechanism 5 includes a reciprocating screw 51, a guide sleeve 52, a first rack 54, a gear 55, a second rack 56, a servo motor 57 and a transmission assembly 58. The reciprocating screw 51 is rotatably arranged on the bottom plate 1, and the guide sleeve 52 is threadedly arranged on the reciprocating screw 51. The guide sleeve 52 is connected to the first rack 54, and a gear 55 is arranged inside the bracket 41. The gear 55 and the first rack 54 are meshed. Two second racks 56 are arranged at the bottom of the movable plate 42. The rack 56, the second rack 56 and the gear 55 are meshed, and a servo motor 57 is provided at the bottom of the base plate 1 by bolt connection. The output shaft of the servo motor 57 and the reciprocating screw 51 are jointly provided with a transmission assembly 58. The transmission assembly 58 is composed of two pulleys and a belt. One pulley is located on the output shaft of the servo motor 57, and the other pulley is located at the front end of the reciprocating screw 51. A belt is jointly sleeved on the two pulleys, and also includes a clamping rod 53. The bottom of the placement plate 3 is fixedly connected with the clamping rod 53, and the clamping rod 53 slides on the first rack 54. The limiting mechanism 6 includes a fixed sleeve 61, a locking ball 62 and a second spring 63. The fixed sleeve 61 is fixedly connected to the guide sleeve 52. The locking ball 62 is slidably arranged on the fixed sleeve 61. A locking groove is opened on the top of the placement plate 3. The locking ball 62 is inserted into the locking groove and connected with the placement plate 3. The second spring 63 is connected between the fixed sleeve 61 and the locking ball 62. It also includes a supporting foot 8. Four supporting feet 8 are fixedly connected to the bottom of the bottom plate 1. The four supporting feet 8 are distributed in a rectangular shape at the bottom of the bottom plate 1 to support the bottom plate 1. It also includes a third spring 7. The third spring 7 is connected between the bracket 41 and the movable plate 42.

[0024] When the device is needed, the bottom plate 1 is moved to a suitable position, the casting is placed on the placement plate 3, and the servo motor 57 is turned on. The output shaft of the servo motor 57 rotates to drive the reciprocating screw 51 to rotate, so that the guide sleeve 52 moves backward, the first rack 54 and the placement plate 3 move backward, so that the placement plate 3 is located below the detection rod 44, the guide sleeve 52 continues to move backward, the placement plate 3 squeezes the card ball 62 to move downward, and then the card ball 62 is disengaged from the placement plate 3, the first rack 54 contacts the gear 55, and then drives the gear 55 to rotate, so that the gear 55 drives the second rack 56 to move downward, so that The movable plate 42 moves downward, and the third spring 7 is compressed accordingly, so that the detection rod 44 squeezes the casting, and then detects the hardness of the casting, thereby achieving the purpose of automatic detection and improving the efficiency of detection. The first spring 45 returns to its original state to buffer the impact force when the detection rod 44 moves downward, thereby avoiding damage to the casting due to excessive pressure. When the movable plate 42 no longer moves downward, the third spring 7 returns to its original state to move the movable plate 42 and the second rack 56 upward and reset, and then controls the output shaft of the servo motor 57 to rotate, so that the reciprocating screw 51 rotates so that the guide sleeve 52 drives the first rack 54 to move forward and reset.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A casting hardness detection device, characterized in that it includes The invention comprises a bottom plate (1), a guide rail (2), a placement plate (3) and a detection mechanism (4); two guide rails (2) are fixedly connected to the bottom plate (1); the placement plate (3) is slidably arranged on the two guide rails (2); and the detection mechanism (4) is arranged on the bottom plate (1).

2. A casting hardness testing device as claimed in claim 1, characterized in that: The detection mechanism (4) comprises a bracket (41), a movable plate (42), a detection rod (44) and a first spring (45); the bracket (41) is fixedly connected to the rear of the bottom plate (1); the movable plate (42) is slidably arranged on the bracket (41); the detection rod (44) is arranged on the movable plate (42); and the first spring (45) is sleeved on the detection rod (44).

3. A casting hardness testing device as claimed in claim 2, characterized in that: It also includes guide rods (43), and the bracket (41) is internally fixedly connected with two guide rods (43).

4. A casting hardness testing device as claimed in claim 1, characterized in that: The pushing mechanism (5) comprises a reciprocating screw (51), a guide sleeve (52), a first rack (54), a gear (55), a second rack (56), a servo motor (57) and a transmission assembly (58). The reciprocating screw (51) is rotatably arranged on the bottom plate (1), the guide sleeve (52) is threadedly arranged on the reciprocating screw (51), the first rack (54) is connected to the guide sleeve (52), a gear (55) is arranged inside the bracket (41), the gear (55) and the first rack (54) are meshed, two second racks (56) are arranged at the bottom of the movable plate (42), the second racks (56) and the gear (55) are meshed, a servo motor (57) is installed at the bottom of the bottom plate (1), and the output shaft of the servo motor (57) and the reciprocating screw (51) are jointly provided with a transmission assembly (58).

5. A casting hardness testing device as claimed in claim 4, characterized in that: It also includes a clamping rod (53), the bottom of the placement plate (3) is fixedly connected to the clamping rod (53), and the clamping rod (53) slides on the first rack (54).

6. A casting hardness testing device as claimed in claim 1, characterized in that: The limiting mechanism (6) comprises a fixed sleeve (61), a locking ball (62) and a second spring (63); the fixed sleeve (61) is fixedly connected to the guide sleeve (52); a locking ball (62) is slidably arranged on the fixed sleeve (61); the locking ball (62) is locked with the placement plate (3); and the second spring (63) is connected between the fixed sleeve (61) and the locking ball (62).

7. A casting hardness testing device as claimed in claim 1, characterized in that: It also includes supporting feet (8), and a plurality of supporting feet (8) are fixedly connected to the bottom of the base plate (1).

8. A casting hardness testing device as claimed in claim 2, characterized in that: A third spring (7) is also included, and the third spring (7) is connected between the bracket (41) and the movable plate (42).

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