Precise hole site measuring device for special-shaped workpiece

Abstract

The utility model relates to the technical field of hole site precision measurement, in particular to a hole site precision measurement device for a special-shaped workpiece. Comprising a bottom plate, a bearing plate is fixedly mounted at the top of the bottom plate, an annular groove is formed in the top of the bottom plate, an annular clamp is arranged in the annular groove, the bottom plate is rotationally sleeved with the annular clamp, a fixing block is fixedly mounted on one side of the annular clamp, and a cylinder is fixedly mounted at the top of the fixing block; a sliding rod is installed in the cylinder in a sliding mode, the top end of the sliding rod extends out of the cylinder and is rotationally provided with a rotating block, a graduated scale is fixedly installed on one side of the rotating block, the graduated scale is fixedly sleeved with two sliding sleeves, and laser emitting assemblies are fixedly installed at the tops of the sliding sleeves. Through a simple adjusting structure, the position of the measuring assembly can be conveniently adjusted, the problem of frequently adjusting the clamping position of the special-shaped workpiece is avoided, the operation is simple, and the hole site measuring efficiency of the special-shaped workpiece can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hole position precision measurement, in particular to a hole position precision measurement device for a special-shaped workpiece. Background Art

[0002] With the continuous development of the economy, the market demand for various industrial equipment and machinery is increasing. Special-shaped workpieces are often used in industrial equipment and machinery. In the process of processing special-shaped workpieces, it is necessary to use a precision measuring device to accurately measure the hole position, so as to ensure the accuracy of hole position processing. The prior art discloses a precision hole position measuring device for special-shaped workpieces with an authorization announcement number of CN218822275U, comprising a casing, a placement plate fixedly connected to the middle of the casing, an electric push rod fixedly connected to the lower right corner of the casing, an L-shaped plate fixedly connected to the output end of the electric push rod, a movable plate fixedly connected to the top left of the L-shaped plate, the outer wall of the movable plate is slidably connected to the placement plate, and a measuring device is arranged on the upper part of the casing. Through the cooperation between the first motor, the nut, the hollow slider and the infrared sensor, the threaded rod will cause the nut to move left and right, and the nut will drive the infrared sensor to move through the hollow slider. When the infrared sensor moves above the round hole, it will transmit a signal to the control panel. The control panel will stop the first motor, and determine the distance between the hole positions by observing the value corresponding to the position of the hollow slider on the scale, thereby achieving accurate measurement of the hole positions and displaying it in the form of numerical values.

[0003] However, it was found during use that the measuring component of the above design is not easy to adjust the position, and precise clamping operations are required on the special-shaped workpiece to ensure that the hole position is below the moving path of the measuring component. As a result, the position of the special-shaped workpiece needs to be adjusted frequently, which is cumbersome and seriously affects the measurement efficiency of the hole position of the special-shaped workpiece. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a device for accurately measuring the hole position of special-shaped workpieces, which is convenient for adjusting the position of the measuring component and avoids the problem of frequently adjusting the clamping position of the special-shaped workpiece. The operation is simple, which is conducive to improving the efficiency of measuring the hole position of the special-shaped workpiece and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model adopts the following technical solution: a device for precisely measuring the hole position of a special-shaped workpiece, comprising a base plate, a bearing plate fixedly installed on the top of the base plate, an annular groove opened on the top of the base plate, an annular clamp arranged in the annular groove, the annular clamp rotatably sleeved on the base plate, a fixed block fixedly installed on one side of the annular clamp, a cylinder fixedly installed on the top of the fixed block, a sliding rod slidably installed in the cylinder, the top of the sliding rod extends to the outside of the cylinder and rotatably installed with a rotating block, a scale fixedly installed on one side of the rotating block, two sliding sleeves fixedly provided on the scale, a laser emitting assembly fixedly installed on the top of the sliding sleeve, a conical plug-in rod fixedly installed on the bottom of the sliding sleeve, a first screw rod threadedly installed on the bottom end of the sliding rod, a first bevel gear fixedly installed on the bottom end of the first screw rod, a rotating rod rotatably installed on the side of the cylinder away from the bearing plate, one end of the rotating rod extends into the cylinder and fixedly installed with a second bevel gear, and the second bevel gear meshes with the first bevel gear.

[0006] In order to facilitate the clamping and fixing of different workpieces:

[0007] As a further improvement of the above technical solution: the supporting plate also includes two clamping plates, which are slidably installed on the top of the supporting plate, and two sliding grooves are opened on the top of the supporting plate. Slide blocks are slidably installed in the sliding grooves, and the slide blocks are fixed on the bottom of the clamping plates. The same bidirectional screw rod is threaded through the two slide blocks.

[0008] The beneficial effect of this improvement is that, through such an arrangement, it is convenient to clamp and fix different workpieces, and the movement of the workpieces during the hole position measurement process can be avoided, thereby facilitating accurate measurement of the hole position.

[0009] In order to make the first screw rotation more stable:

[0010] As a further improvement of the above technical solution: a horizontal plate is fixedly installed in the cylinder, the first screw rod rotates and penetrates the horizontal plate, a first through hole is penetrated on one side of the cylinder, and the rotating rod rotates and penetrates the first through hole.

[0011] The beneficial effect of this improvement is that by providing a transverse plate, the first screw rod can be supported and limited, so that the rotation of the first screw rod is more stable.

[0012] To prevent the slide rod from coming off the cylinder:

[0013] As a further improvement of the above technical solution: limiting grooves are provided on both sides of the slide rod, limiting blocks are slidably installed in the limiting grooves, the limiting blocks are welded to the inner wall of the cylinder, a threaded groove is provided at the bottom end of the slide rod, and the first screw rod is threadedly installed in the threaded groove.

[0014] The beneficial effect of this improvement is that by providing the limiting groove and the limiting block, the sliding rod can be limited to prevent the sliding rod from detaching from the cylinder.

[0015] To prevent the rotating block from rotating accidentally:

[0016] As a further improvement of the above technical solution: a circular groove is opened at the bottom end of the rotating block, a rotating shaft is rotatably installed in the circular groove, the rotating shaft is welded to the top of the sliding rod, a first rubber damping ring is fixedly sleeved on the rotating shaft, a second rubber damping ring is fixedly installed in the circular groove, and the second rubber damping ring is rotatably sleeved on the first rubber damping ring.

[0017] The beneficial effect of this improvement is that by such an arrangement, the rotating block can be prevented from rotating erroneously.

[0018] To lock the fixing block:

[0019] As a further improvement of the above technical solution: a circular hole is penetrated on the top inner wall of the sliding sleeve, and the circular hole is adapted to the laser emitting assembly. The fixing block and the annular clamp are penetrated by the same threaded through hole, and a second screw rod is penetrated by the inner thread of the threaded through hole, and one end of the second screw rod is in contact with the bottom plate.

[0020] The beneficial effect of this improvement is that the fixing block can be locked by providing the second screw rod and the threaded through hole.

[0021] To prevent the slider from falling out of the slot:

[0022] As a further improvement of the above technical solution: a limit rod is fixedly installed in the slide groove, and the limit rod slides through the slide block.

[0023] The beneficial effect of this improvement is that by setting the limiting rod, it is convenient to limit the sliding block and prevent the sliding block from falling out of the sliding groove.

[0024] In order to facilitate the support and limit of the bidirectional screw:

[0025] As a further improvement of the above technical solution: a second through hole is passed through the two slide grooves, a third through hole is passed through the inner wall of the two slide grooves on the side away from each other, and the bidirectional screw rotates through the second through hole and the two third through holes.

[0026] The beneficial effect of this improvement is that by providing the second through hole and the third through hole, it is convenient to support and limit the bidirectional screw rod.

[0027] The beneficial effects of the utility model are as follows: through a simple adjustment structure, the position of the measuring component is easily adjusted, the problem of frequently adjusting the clamping position of the special-shaped workpiece is avoided, the operation is simple, and the efficiency of measuring the hole position of the special-shaped workpiece is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0029] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the bottom plate of the utility model;

[0030] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0031] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the sliding sleeve in the utility model;

[0032] Figure 5 For this utility model Figure 1 Schematic diagram of the enlarged structure of part B.

[0033] In the figure: 1, bottom plate; 2, bearing plate; 3, annular groove; 4, annular clamp; 5, fixed block; 6, cylinder; 7, slide rod; 8, rotating block; 9, scale; 10, sleeve; 11, laser emitting assembly; 12, conical plug rod; 13, first screw rod; 14, first bevel gear; 15, rotating rod; 16, second bevel gear; 17, clamping plate; 18, slide groove; 19, slider; 20, bidirectional screw rod. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0035] like Figure 1-5As shown, a device for precisely measuring the hole position of a special-shaped workpiece comprises a base plate 1, a bearing plate 2 is fixedly installed on the top of the base plate 1, an annular groove 3 is opened on the top of the base plate 1, an annular clamp 4 is arranged in the annular groove 3, the annular clamp 4 is rotatably sleeved on the base plate 1, a fixed block 5 is fixedly installed on one side of the annular clamp 4, a cylinder 6 is fixedly installed on the top of the fixed block 5, a slide rod 7 is slidably installed in the cylinder 6, a rotating block 8 is rotatably installed on the top of the slide rod 7 to extend outside the cylinder 6 and rotatably installed, a scale 9 is fixedly installed on one side of the rotating block 8, two sliding sleeves 10 are fixedly sleeved on the scale 9, a laser emitting assembly 11 is fixedly installed on the top of the sliding sleeve 10, and a laser emitting assembly 11 is fixedly installed on the bottom of the sliding sleeve 10. A conical plug rod 12 is installed, and a first screw rod 13 is threadedly installed at the bottom end of the sliding rod 7. A first bevel gear 14 is fixedly installed at the bottom end of the first screw rod 13. A rotating rod 15 is rotatably installed on the side of the cylinder 6 away from the supporting plate 2. One end of the rotating rod 15 extends into the cylinder 6 and is fixedly installed with a second bevel gear 16. The second bevel gear 16 is meshed with the first bevel gear 14. Through a simple adjustment structure, it is convenient to adjust the position of the measuring component, avoiding the problem of frequently adjusting the clamping position of the special-shaped workpiece. The operation is simple and is conducive to improving the efficiency of measuring the hole position of the special-shaped workpiece. The supporting plate 2 also includes two clamping plates 17, which are slidably installed on the top of the supporting plate 2. Two slide grooves 1 are provided on the top of the supporting plate 2. 8. A slider 19 is slidably installed in the slide groove 18, and the slider 19 is fixed on the bottom of the clamping plate 17. The two sliders 19 are threaded with the same bidirectional screw rod 20. Through this arrangement, it is convenient to clamp and fix different workpieces, and the movement of the workpiece during the hole position measurement process can be avoided, so as to facilitate the accurate measurement of the hole position. A cross plate is fixedly installed in the cylinder 6, and the first screw rod 13 rotates and penetrates the cross plate. A first through hole is penetrated on one side of the cylinder 6, and the rotating rod 15 rotates and penetrates the first through hole. By setting the cross plate, the first screw rod 13 can be supported and limited, so that the rotation of the first screw rod 13 is more stable. Limiting grooves are provided on both sides of the slide rod 7, and a limited groove is slidably installed in the limiting groove. The limit block is welded to the inner wall of the cylinder 6, a threaded groove is provided at the bottom end of the slide bar 7, the first screw rod 13 is threadedly installed in the threaded groove, and the limit groove and the limit block are provided, so that the slide bar 7 can be limited to prevent the slide bar 7 from escaping from the cylinder 6. A circular groove is provided at the bottom end of the rotating block 8, a rotating shaft is rotatably installed in the circular groove, and the rotating shaft is welded to the top end of the slide bar 7. A first rubber damping ring is fixedly sleeved on the rotating shaft, and a second rubber damping ring is fixedly installed in the circular groove. The second rubber damping ring is rotatably sleeved on the first rubber damping ring. By such a setting, the rotating block 8 can be prevented from rotating accidentally. A circular hole is penetrated on the top inner wall of the sliding sleeve 10, and the circular hole is adapted to the laser emitting assembly 11.The fixing block 5 and the annular clamp 4 are penetrated by the same threaded through hole, and the threaded through hole is penetrated by a second screw rod, one end of which is in contact with the bottom plate 1. By setting the second screw rod and the threaded through hole, the fixing block 5 can be locked. A limit rod is fixedly installed in the slide groove 18, and the limit rod slides through the slider 19. By setting the limit rod, it is convenient to limit the slider 19 to prevent the slider 19 from leaving the slide groove 18. A second through hole is penetrated between the two slide grooves 18, and a third through hole is penetrated on the inner wall of the two slide grooves 18 on the side away from each other. The bidirectional screw rod 20 rotates through the second through hole and the two third through holes. By setting the second through hole and the third through hole, it is convenient to support and limit the bidirectional screw rod 20.

[0036] The working principle of the utility model is as follows: when in use, first place the special-shaped workpiece on the carrying plate 2, then rotate the bidirectional screw rod 20, so that the two sliders 19 are driven to slide in the corresponding slide grooves 18 and approach each other, so that the two clamping plates 17 are driven to approach each other, and the workpiece is clamped. Through such an arrangement, it is convenient to clamp and fix different workpieces, and the movement of the workpiece during the hole position measurement process can be avoided, so as to facilitate the accurate measurement of the hole position, and then rotate the fixing block 5, so that the annular clamp 4 is driven to rotate on the base plate 1, and at the same time, the fixing block 5 drives the cylinder 6, the slide rod 7, the rotating block 8 and the scale 9 to rotate until the position of the fixing block 5 is appropriate, and then rotate the second screw rod so that the second screw rod is pressed tightly against the base plate 1, and then rotate the scale 9 so that the rotating block 8 is driven to rotate to a suitable position above the workpiece, and then slide The two sliding sleeves 10 move the two tapered insertion rods 12 to the hole position facing the workpiece, and then the rotating rod 15 is rotated to drive the second bevel gear 16 to rotate, and the second bevel gear 16 drives the first bevel gear 14 to rotate, and the first bevel gear 14 drives the first screw rod 13 to rotate, and the first screw rod 13 drives the slide rod 7 to slide into the cylinder 6, so that the scale 9 is driven down, and the two tapered insertion rods 12 are driven down and slid into the corresponding hole positions, and the two sliding sleeves 10 are driven to slide to the position facing the hole position, and then the two laser emitting components 11 are turned on, and the light beams are irradiated on the corresponding scale lines on the scale, and then the hole position data are recorded. Through such an arrangement, it is convenient to adjust the position of the measuring component, avoiding the problem of frequently adjusting the clamping position of the special-shaped workpiece, simple operation, and conducive to improving the efficiency of the hole position measurement of the special-shaped workpiece.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A device for precisely measuring the hole position of a special-shaped workpiece, comprising a base plate (1), characterized in that: A bearing plate (2) is fixedly mounted on the top of the base plate (1), an annular groove (3) is provided on the top of the base plate (1), an annular clamp (4) is arranged in the annular groove (3), the annular clamp (4) is rotatably sleeved on the base plate (1), a fixed block (5) is fixedly mounted on one side of the annular clamp (4), a cylinder (6) is fixedly mounted on the top of the fixed block (5), a sliding rod (7) is slidably mounted in the cylinder (6), a rotating block (8) is rotatably mounted on the top of the sliding rod (7) extending outside the cylinder (6), and a scale (9) is fixedly mounted on one side of the rotating block (8), and the scale (9) is fixedly mounted on the top of the rotating block (8). 9) The upper fixed sleeve is provided with two sliding sleeves (10), the top of the sliding sleeve (10) is fixedly installed with a laser emitting assembly (11), the bottom of the sliding sleeve (10) is fixedly installed with a conical plug rod (12), the bottom end of the sliding rod (7) is threadedly installed with a first screw rod (13), the bottom end of the first screw rod (13) is fixedly installed with a first bevel gear (14), and a rotating rod (15) is rotatably installed on the side of the cylinder (6) away from the supporting plate (2), one end of the rotating rod (15) extends into the cylinder (6) and is fixedly installed with a second bevel gear (16), and the second bevel gear (16) is meshed with the first bevel gear (14).

2. The device for precisely measuring the hole position of a special-shaped workpiece according to claim 1, characterized in that: The bearing plate (2) further comprises two clamping plates (17), wherein the clamping plates (17) are slidably mounted on the top of the bearing plate (2), and two slide grooves (18) are provided on the top of the bearing plate (2), wherein a slider (19) is slidably mounted in the slide groove (18), and the slider (19) is fixed on the bottom of the clamping plate (17), and the same bidirectional screw rod (20) is threadedly penetrated on the two sliders (19).

3. The device for precisely measuring the hole position of a special-shaped workpiece according to claim 1, characterized in that: A transverse plate is fixedly installed inside the cylinder (6), the first screw rod (13) rotates and penetrates the transverse plate, a first through hole is penetrated on one side of the cylinder (6), and the rotating rod (15) rotates and penetrates the first through hole.

4. The device for precisely measuring the hole position of a special-shaped workpiece according to claim 1, characterized in that: Limiting grooves are provided on both sides of the slide rod (7), and limiting blocks are slidably installed in the limiting grooves. The limiting blocks are welded to the inner wall of the cylinder (6). A threaded groove is provided at the bottom end of the slide rod (7), and the first screw rod (13) is threadedly installed in the threaded groove.

5. The device for precisely measuring the hole position of a special-shaped workpiece according to claim 1, characterized in that: A circular groove is formed at the bottom end of the rotating block (8), a rotating shaft is rotatably mounted in the circular groove, the rotating shaft is welded to the top end of the sliding rod (7), a first rubber damping ring is fixedly sleeved on the rotating shaft, a second rubber damping ring is fixedly mounted in the circular groove, and the second rubber damping ring is rotatably sleeved on the first rubber damping ring.

6. The device for precisely measuring the hole position of a special-shaped workpiece according to claim 1, characterized in that: A circular hole is formed on the inner wall of the top of the sliding sleeve (10), and the circular hole is adapted to the laser emitting assembly (11). The fixing block (5) and the annular clamp (4) are formed with the same threaded through hole, and a second screw rod is formed in the threaded through hole, and one end of the second screw rod is in contact with the bottom plate (1).

7. The device for precisely measuring the hole position of a special-shaped workpiece according to claim 2, characterized in that: A limit rod is fixedly installed in the slide groove (18), and the limit rod slides through the slider (19).

8. The device for precisely measuring the hole position of a special-shaped workpiece according to claim 2, characterized in that: A second through hole is passed through between the two slide grooves (18), and a third through hole is passed through the inner walls of the two slide grooves (18) on the side away from each other. The bidirectional screw rod (20) rotates through the second through hole and the two third through holes.

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