Die steel grinding precision measuring device

Abstract

The utility model discloses a device for measuring the grinding precision of die steel, which relates to the technical field of safety measuring instruments and comprises a top plate and a bottom plate, a plurality of guide rods are fixedly connected between the top plate and the bottom plate, a clamping seat is arranged above the bottom plate, the guide rods penetrate through the clamping seat and are in sliding connection with the clamping seat, and the guide rods are arranged on the bottom plate. A height adjusting piece is installed between the bottom plate and the bottom of the clamping base, a dial indicator support is arranged below the top plate and fixedly installed on the guide rod, and a dial indicator is fixedly installed at the bottom of the dial indicator support and located above the clamping base. The flatness and the coaxiality can be measured, and the measurement mode is simple and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to a die steel grinding precision measuring device. Background Art

[0002] In the existing technology, after the mold steel is ground, the smoothness of its surface varies. The steel material used to make the mold requires a higher surface smoothness. In the existing technology, testing the surface smoothness is relatively troublesome, the accuracy is average, and the efficiency is low.

[0003] Patent No. CN209085518U discloses a die steel grinding precision measuring device, including a base plate, support rods are fixedly connected to the four corners of the lower surface of the base plate, the bottom end of the support rod is fixedly connected to a base, a first protrusion is fixedly connected to the right side of the upper surface of the base plate, a rotating plate is provided on the left side of the first protrusion, the rotating plate is rotatably connected to the first protrusion through a pin shaft, the rotating plate fits the base plate, a gasket is fixedly connected to the left side of the upper surface of the base plate, and a vertical rod is fixedly connected to the upper surface of the gasket. The die steel grinding precision measuring device places a block on the upper surface of the plate whose surface smoothness needs to be tested through the coordination between bolts, cylinders, pillars, round rods, second protrusions, pins, rotating plates, support plates, first protrusions and pin shafts, and the bolts are turned clockwise to rotate the rotating plate. By observing the specific angle at which the block starts to slide, simple operation, high accuracy and improved efficiency are achieved;

[0004] The mold steel grinding accuracy measuring device in this patent can only measure flatness but not coaxiality, so the measuring capability is limited. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a die steel grinding precision measuring device, which solves the problem of small measuring capacity.

[0006] To achieve the above purpose, the utility model is implemented through the following technical scheme: a mold steel grinding accuracy measuring device, including a top plate and a bottom plate, a plurality of guide rods are fixedly connected between the top plate and the bottom plate, a clamping seat is arranged above the bottom plate, the guide rods pass through the clamping seat and are slidably connected thereto, a height adjustment member is installed between the bottom plate and the bottom of the clamping seat, a micrometer bracket is arranged below the top plate, the micrometer bracket is fixedly installed on the guide rods, a micrometer is fixedly installed at the bottom of the micrometer bracket, and the micrometer is located above the clamping seat.

[0007] Preferably, the clamping seat includes a seat, the seat and the guide rod are slidably connected, and the seat is U-shaped, the inner wall of one end of the seat is fixedly connected to a connecting rod, the end of the connecting rod is fixedly connected to a first clamping block, and the other end of the seat is threadedly connected to an adjusting screw, the adjusting screw passes through the side wall of the seat and is fixedly connected to the second clamping block.

[0008] Preferably, the adjusting screw is fixed in a hexagonal shape at one end away from the second clamping block, and anti-slip stripes are provided on opposite sides of the first clamping block and the second clamping block.

[0009] Preferably, a cushion block is fixedly connected to the central position of the inner wall of the seat, and the surface of the cushion block is flat and smooth.

[0010] Preferably, the height adjustment member is a double-ended stud with opposite thread shapes at both ends, a hexagonal head is provided in the middle of the double-ended stud, and both ends of the height adjustment member are respectively threadedly connected to the base plate and the seat.

[0011] Preferably, the micrometer bracket includes two fixed brackets, through holes are provided at both ends of the fixed brackets, and the guide rods are fixedly inserted in the through holes, a first sliding groove is provided on the opposite side of the two fixed brackets, and a mobile bracket is slidably connected in the two first sliding grooves, a second sliding groove is provided at the bottom of the mobile bracket, a micrometer fixing block is slidably installed in the second sliding groove, and the micrometer is fixedly installed at the bottom of the micrometer fixing block. Beneficial Effects

[0012] The utility model provides a die steel grinding precision measuring device. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The mold steel grinding precision measuring device is provided with a clamping base and a height adjustment part. When it is necessary to measure the flatness of the mold steel, the mold steel is placed on the cushion block, and then the height adjustment part is rotated with a wrench until the measuring end of the micrometer is against the upper surface of the mold steel, and then the micrometer is moved to adjust the measuring position. After the values ​​at different positions are measured, the flatness is calculated; when it is necessary to measure the radial coaxiality of the mold steel, the two ends of the mold steel are clamped between the first clamping block and the second clamping block, so that the micrometer 8 is against the side wall of the mold steel, and then the micrometer is moved laterally to measure the values ​​at different points, and the radial coaxiality of the mold steel is calculated by substituting them into the formula. The structure can measure flatness and coaxiality, and the measuring method is simple and reliable.

[0014] 2. The die steel grinding precision measuring device is provided with a micrometer bracket so that the micrometer can move freely in a plane, thereby being able to detect values ​​at different positions, and then calculating flatness or coaxiality, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a front view of the utility model.

[0017] Figure 3 The utility model is a schematic diagram of the structure of the micrometer bracket.

[0018] In the figure: 1. top plate; 2. guide rod; 3. bottom plate; 4. clamping seat; 41. seat; 42. connecting rod; 43. first clamping block; 44. adjusting screw; 45. second clamping block; 5. cushion block; 6. height adjustment member; 7. dial indicator bracket; 71. fixed bracket; 72. through hole; 73. first slide groove; 74. movable bracket; 75. second slide groove; 76. dial indicator fixing block; 8. dial indicator. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3 The utility model provides a technical solution: a mold steel grinding accuracy measuring device, including a top plate 1 and a bottom plate 3, a plurality of guide rods 2 are fixedly connected between the top plate 1 and the bottom plate 3, a clamping seat 4 is arranged above the bottom plate 3, the guide rods 2 pass through the clamping seat 4 and are slidably connected thereto, a height adjustment member 6 is installed between the bottom plate 3 and the clamping seat 4, a micrometer bracket 7 is arranged below the top plate 1, the micrometer bracket 7 is fixedly installed on the guide rod 2, a micrometer 8 is fixedly installed at the bottom of the micrometer bracket 7, and the micrometer 8 is located above the clamping seat 4.

[0021] The clamping seat 4 includes a seat 41, which is slidably connected to the guide rod 2, and the seat 41 is U-shaped. A connecting rod 42 is fixedly connected to the inner wall of one end of the seat 41, and a first clamping block 43 is fixedly connected to the end of the connecting rod 42. An adjusting screw 44 is threadedly connected to the other end of the seat 41. The adjusting screw 44 passes through the side wall of the seat 41 and is fixedly connected to the second clamping block 45. The adjusting screw 44 is fixed in a hexagonal shape at one end away from the second clamping block 45. Anti-slip stripes are provided on the opposite sides of the first clamping block 43 and the second clamping block 45, and the two ends of the mold steel are clamped between the first clamping block 43 and the second clamping block 45. The tightness is adjusted by adjusting the screw 44, so that the mold steel is firmly fixed.

[0022] A pad 5 is fixedly connected to the central position of the inner wall of the seat 41. The surface of the pad 5 is flat and smooth. The height adjustment member 6 is a double-headed stud with opposite thread shapes at both ends. A hexagonal head is provided in the middle of the double-headed stud. The two ends of the height adjustment member 6 are respectively threadedly connected to the base plate 3 and the seat 41. The height adjustment member 6 is turned with a wrench to make the entire seat 41 move up or down to realize the lifting function.

[0023] The micrometer bracket 7 includes two fixed brackets 71, both ends of which are provided with through holes 72, and the guide rod 2 is fixedly inserted in the through holes 72. A first sliding groove 73 is provided on the opposite side of the two fixed brackets 71, and a movable bracket 74 is slidably connected in the two first sliding grooves 73. A second sliding groove 75 is provided at the bottom of the movable bracket 74, and a micrometer fixing block 76 is slidably installed in the second sliding groove 75. The micrometer 8 is fixedly installed at the bottom of the micrometer fixing block 76. This structure enables the micrometer 8 to move freely in the plane, and thus can detect the flatness or coaxiality of different positions.

[0024] During operation, when it is necessary to measure the flatness of the mold steel, the mold steel is placed on the cushion block 5, and then the height adjustment member 6 is rotated with a wrench to move the entire seat 41 upward until the measuring end of the micrometer 8 is against the upper surface of the mold steel, and then the micrometer 8 is moved to adjust the measuring position, and after measuring the values ​​at different positions, the flatness is calculated;

[0025] When it is necessary to measure the radial coaxiality of the mold steel, clamp the two ends of the mold steel between the first clamping block 43 and the second clamping block 45, adjust the tightness by adjusting the screw 44 to firmly fix the mold steel, then turn the height adjustment part 6 by a wrench to make the micrometer 8 rest against the side wall of the mold steel, then move the micrometer 8 laterally, measure the values ​​at different points, and substitute them into the formula to calculate the radial coaxiality of the mold steel.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A die steel grinding accuracy measuring device, comprising a top plate (1) and a bottom plate (3), characterized in that: A plurality of guide rods (2) are fixedly connected between the top plate (1) and the bottom plate (3); a clamping seat (4) is arranged above the bottom plate (3); the guide rods (2) penetrate the clamping seat (4) and are slidably connected thereto; a height adjustment member (6) is installed between the bottom of the bottom plate (3) and the clamping seat (4); a dial gauge bracket (7) is arranged below the top plate (1); the dial gauge bracket (7) is fixedly mounted on the guide rods (2); a dial gauge (8) is fixedly mounted at the bottom of the dial gauge bracket (7); and the dial gauge (8) is located above the clamping seat (4).

2. The die steel grinding accuracy measuring device according to claim 1, characterized in that: The clamping seat (4) comprises a seat (41), the seat (41) and the guide rod (2) are slidably connected, and the seat (41) is arranged in a U shape, a connecting rod (42) is fixedly connected to the inner side wall of one end of the seat (41), and a first clamping block (43) is fixedly connected to the end of the connecting rod (42), and an adjusting screw (44) is threadedly connected to the other end of the seat (41), and the adjusting screw (44) passes through the side wall of the seat (41) and is fixedly connected to the second clamping block (45).

3. The die steel grinding accuracy measuring device according to claim 2, characterized in that: The adjusting screw rod (44) is fixed in a hexagonal shape at one end away from the second clamping block (45), and anti-slip stripes are provided on the opposite side of the first clamping block (43) and the second clamping block (45).

4. The die steel grinding accuracy measuring device according to claim 3 is characterized in that: A cushion block (5) is fixedly connected to the center of the inner wall of the seat (41), and the surface of the cushion block (5) is flat and smooth.

5. The die steel grinding accuracy measuring device according to claim 1, characterized in that: The height adjustment member (6) is a double-ended stud with opposite thread shapes at both ends. A hexagonal head is provided in the middle of the double-ended stud. Both ends of the height adjustment member (6) are respectively threadedly connected to the base plate (3) and the seat (41).

6. The die steel grinding accuracy measuring device according to claim 1, characterized in that: The micrometer bracket (7) comprises two fixed brackets (71), through holes (72) are provided at both ends of the fixed brackets (71), and the guide rod (2) is fixedly inserted in the through holes (72), first slide grooves (73) are provided on opposite sides of the two fixed brackets (71), and a movable bracket (74) is slidably connected in the two first slide grooves (73), a second slide groove (75) is provided at the bottom of the movable bracket (74), a micrometer fixing block (76) is slidably installed in the second slide groove (75), and the micrometer (8) is fixedly installed at the bottom of the micrometer fixing block (76).

Images