Lever gauge stand and using and auxiliary alignment method thereof

Abstract

The invention discloses a lever gauge stand and a use and auxiliary alignment method thereof, which can adjust the position of a lever gauge at will according to a specific processing part through a gauge stand which is simple, easy to operate and higher in metering accuracy, is convenient and fast to use, high in efficiency and strong in adaptability, and belongs to the technical field of gauge stands. The lever gauge stand comprises a sliding block with a center hole, a sliding pipe and a pin, the sliding pipe slides in the center hole of the sliding block, a first fixing device is arranged on one side of the sliding block and can fix the sliding block on the sliding pipe, a kidney-shaped groove is formed in the sliding pipe along the axis, the pin comprises a stud part and a threaded part, and the stud part is connected with the threaded part. The threaded part of the pin penetrates through the kidney-shaped groove to be connected with a sliding pin, the sliding pin can slide in the sliding pipe, an unthreaded hole is formed in the side, perpendicular to the axis of the center hole, of the sliding block, and a second fixing device is arranged on the sliding block in the direction perpendicular to the axis of the unthreaded hole.

Description

Technical Field

[0001] The invention belongs to the technical field of meter stands, and relates to meter operations when milling, boring or numerical control machining centers are machining parts, and specifically relates to a lever meter stand and its use and auxiliary alignment method. Background Art

[0002] When machining parts, milling, boring or CNC machining centers often need to find the center of a circle, divide the four sides into centers, find a point on a single side, and other operations to determine the machining zero point (reference). The most common and most accurate method is to use a dial gauge, which requires fixing a lever gauge at one end of a meter stand and fixing the other end on a machine tool spindle. The commonly used meter stand is a magnetic meter stand, which is time-consuming and labor-intensive to adjust, very inconvenient, and not suitable for precision machining of medium and small parts. The present invention provides a meter stand that is simple, easy to operate, and has higher metering accuracy.

[0003] The meter stand currently used for metering has the following shortcomings: 1) The magnetic table frame is sucked on the spindle tool holder through the magnetic seat, and the stability is poor; 2) It is difficult to adjust the needle to the required position using a magnetic stand, which is time-consuming, labor-intensive and inconvenient; 3) For the precision machining of small and medium-sized parts, the magnetic meter stand cannot meet the accuracy of metering. Summary of the invention

[0004] The purpose of the present invention is to provide a lever meter stand and its use and auxiliary alignment method. Through a simple, easy-to-operate meter stand with higher metering accuracy, the position of the lever meter can be arbitrarily adjusted according to specific processed parts. It is convenient and quick to use, highly efficient and highly adaptable.

[0005] The present invention is achieved by adopting the following technical solutions: A lever meter frame includes a slider with a center hole, a slide tube and a pin, the slide tube slides in the center hole of the slider, a fixing device 1 is provided on one side of the slider, the fixing device 1 can fix the slider on the slide tube, the slide tube is provided with a waist groove along the axis, the pin includes a pin rod part and a threaded part, the pin threaded part passes through the waist groove and is connected with a slide pin, the slide pin can slide inside the slide tube, the slider is provided with a light hole on the side perpendicular to the axis of the center hole, and the slider is provided with a fixing device 2 in a direction perpendicular to the axis of the light hole.

[0006] When in use, place the sliding pin into the sliding tube with the threaded hole of the sliding pin facing the waist groove of the sliding tube; screw the threaded part of the pin through the waist groove of the sliding tube and screw it into the sliding pin, use the pin to drive the sliding pin to slide in the sliding tube, continue to screw the pin after reaching the position, and use the pin to lock the sliding pin inside the sliding tube; pass the sliding tube into the center hole of the slider, and use the fixing device to lock the slider on the sliding tube.

[0007] Further preferably, the pin has a diameter of 8 mm, which can adapt to the size of most existing machine tool handles, and a slot is provided on the top surface of the pin rod portion to facilitate screwing the pin and quickly lock the pin and the sliding pin.

[0008] Further preferably, the second fixing device is a second screw, the sliding block is provided with a second threaded hole in a direction perpendicular to the axis of the light hole, the second threaded hole is connected with the light hole, the second screw and the second threaded hole can be screwed and adapted, and a slot is provided at the end of the second screw without a thread.

[0009] Further preferably, the fixing device 1 and the fixing device 2 are arranged on the same side of the slider, so that the staff can complete the corresponding operations on the same side.

[0010] Further preferably, the slider is provided with a transverse groove which passes through the center hole, the transverse groove can expose the waist-shaped groove and can accommodate part of the pin rod to pass through, and the width of the transverse groove is smaller than the diameter of the center hole, which can increase the sliding range of the slider and also increase the adjustment range of the lever table frame.

[0011] Further preferably, the fixing device 1 is a screw 1, a threaded hole 1 is provided on one side of the sliding block, the threaded hole 1 is connected to the center hole, and the screw 1 and the threaded hole 1 can be screwed and adapted.

[0012] Further preferably, a screwing portion of the screw is rolled with a pattern to increase friction and facilitate manual screwing.

[0013] Further preferably, the slider is composed of two regular hexahedrons with different side lengths, and the regular hexahedron with the longer side is on the upper side of the regular hexahedron with the shorter side, the fixing device 1 is arranged on the regular hexahedron with the longer side, and the fixing device 2 is arranged on the regular hexahedron with the shorter side.

[0014] Further preferably, the second fixing device does not extend beyond the surface of the large cube after the fixing is completed. When the first fixing device and the second fixing device are on the same side of the slider, the misaligned design can prevent accidental touch during operation.

[0015] A method for using a lever meter stand, the method for using any of the lever meter stands described above comprises the following steps: Step 1: Place the sliding pin into the sliding tube, with the threaded hole of the sliding pin facing the waist groove of the sliding tube.

[0016] Step 2: Pass the threaded part of the pin through the waist groove of the sliding tube and screw it into the sliding pin. Use the pin to drive the sliding pin to slide in the sliding tube. After reaching the position, continue to screw the pin and use the pin to lock the sliding pin inside the sliding tube.

[0017] Step 3: insert the slide tube into the center hole of the slider, and use the fixing device 1 to lock the slider onto the slide tube.

[0018] A lever meter stand auxiliary alignment method is implemented by any of the lever meter stands described above, and comprises the following steps: In the first step, the pins of the assembled lever gauge frame are fixed to the machine tool handle, and the workpiece is placed on the machine tool table for pre-positioning.

[0019] In the second step, insert the fixing column of the lever meter into the light hole of the slider and use the second fixing device to lock it so that the lever meter is fixed on the slider.

[0020] The third step is to move the machine tool spindle to the position above the circular hole where the center of the workpiece is to be found.

[0021] The fourth step is to rotate the machine tool handle to drive the lever meter needle to make a circular motion, repeatedly move the machine tool spindle and adjust the slider position of the lever meter frame. During this process, observe the position relationship between the lever meter needle and the circular hole of the workpiece, so that the lever meter needle is infinitely close to the edge of the circular hole wall of the workpiece, and then lock the slider on the sliding tube.

[0022] The fifth step is to move the machine tool spindle downward to drive the lever dial needle to press on the wall of the circular hole of the workpiece.

[0023] The sixth step is to rotate the machine tool handle to drive the lever indicator needle to draw a circle, observe the scale of the needle, and adjust the X-axis and Y-axis positions of the machine tool according to the scale value until the scale value of the lever indicator rotates one circle and no longer changes. At this time, the position of the machine tool spindle is precisely located at the center of the circular hole of the workpiece. Clear the machine tool coordinate value as the workpiece zero point during processing, and the alignment work is completed.

[0024] Further preferably, the workpiece pre-positioning step in the first step is: the long side of the workpiece is roughly parallel to the workbench, and two pressing plates press the two sides of the workpiece but do not press them tightly first.

[0025] Further preferably, in the third step, before moving the machine tool spindle to above the position of the circular hole in the workpiece where the center is to be found, first move the machine tool axes so that the lever indicator needle is pressed on the long side of the workpiece, move the machine tool X-axis back and forth, observe the indicator needle scale, and adjust the workpiece position according to the scale value until the lever indicator needle scale value no longer changes when the machine tool X-axis is moved back and forth, and at this time the long side of the workpiece is completely parallel to the machine tool X-axis, and then tighten the pressure plate to fix the workpiece on the machine tool worktable.

[0026] Further preferably, the workpiece position is adjusted by tapping.

[0027] The present invention has the following beneficial effects: It is easy to adjust and suitable for precision machining of medium and small parts.

[0028] The lever gauge frame is fixed on the spindle tool holder through mechanical cooperation, and has good stability.

[0029] The lever meter stand is easy to operate and can quickly adjust the lever meter needle to the required position. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 This shows the assembly diagram of the lever meter stand.

[0033] Figure 2 Shows the exploded view of the lever meter frame assembly.

[0034] Figure 3 A schematic diagram of a sliding pipe is shown.

[0035] Figure 4 Represents a schematic diagram of a slider.

[0036] Figure 5 Represents a schematic diagram of a pin.

[0037] Figure 6 A schematic diagram of a sliding pin is shown.

[0038] Figure 7 A schematic diagram showing a screw.

[0039] Figure 8 Schematic diagram of screw 2 is shown.

[0040] Fig. 9 Represents a schematic diagram of a workpiece.

[0041] Fig.10 Schematic diagram showing the application of lever meter stand.

[0042] In the figure: 1-slider, 11-center hole, 12-bright hole, 13-screw two, 14-threaded hole two, 15-transverse groove, 16-screw one, 17-threaded hole one, 2-sliding tube, 21-waist groove, 3-pin, 31-pin rod part, 32-threaded part, 4-sliding pin, 5-machine tool spindle, 6-machine tool handle, 7-lever indicator, 8-workpiece, 9-machine tool worktable, 91-pressure plate. DETAILED DESCRIPTION

[0043] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the scheme of the present invention will be further described below. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0044] In the description, it should be noted that the terms "first" and "second" are only used for descriptive purposes and should not be understood as indicating or implying relative importance. It should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0045] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0046] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0047] Embodiment 1, a lever meter frame, comprises a slider 1 with a center hole 11, a slide tube 2 and a pin 3, the slide tube 2 slides in the center hole 11 of the slider 1, a fixing device 1 is provided on one side of the slider 1, the fixing device 1 can fix the slider 1 on the slide tube 2, the slide tube 2 is provided with a waist groove 21 along the axis, the pin 3 comprises a pin rod part 31 and a threaded part 32, the threaded part 32 of the pin 3 passes through the waist groove 21 and is connected with a slide pin 4, the slide pin 4 can slide inside the slide tube 2, the slider 1 is provided with a light hole 12 on a side perpendicular to the axis of the center hole 11, and the slider 1 is provided with a fixing device 2 in a direction perpendicular to the axis of the light hole 12.

[0048] The pin 3 has a diameter of 8 mm and a slotted hole is formed on the top surface. The second fixing device is a second screw 13. The slider 1 is provided with a second threaded hole 14 in a direction perpendicular to the axis of the light hole 12. The second threaded hole 14 is connected to the light hole 12. The second screw 13 and the second threaded hole 14 can be screwed and adapted. The end of the second screw 13 without threads is provided with a slotted hole.

[0049] Fixing device 1 and fixing device 2 are arranged on the same side of the slider 1. The slider 1 is provided with a transverse groove 15 which penetrates the center hole 11. The transverse groove 15 can expose the waist groove 21 and can accommodate the pin rod part 31 of the pin 3 and has a smaller diameter than the center hole 11.

[0050] The fixing device is a screw 16, and a threaded hole 17 is provided on one side of the slider 1. The threaded hole 17 is connected with the center hole 11, and the screw 16 and the threaded hole 17 can be screwed and adapted. The screwing part of the screw 16 is rolled with a pattern, which can increase the friction when manually screwing. In this embodiment, the pattern is a rolled straight line.

[0051] The slider 1 is composed of two regular hexahedrons with different side lengths, and the regular hexahedron with the longer side is on the upper side of the regular hexahedron with the shorter side. The fixing device 1 is arranged on the regular hexahedron with the longer side, and the fixing device 2 is arranged on the regular hexahedron with the shorter side. After the fixing device 2 is fixed, it does not exceed the surface of the large cube.

[0052] Embodiment 2, a method for using a lever meter stand, the method for using a lever meter stand as described in Embodiment 1 comprises the following steps: Step 1: put the sliding pin 4 into the sliding tube 2 , with the threaded hole of the sliding pin 4 facing the waist groove 21 of the sliding tube 2 .

[0053] Step 2, pass the threaded portion 32 of the pin 3 through the waist-shaped groove 21 of the sliding tube 2 and screw it into the sliding pin 4, use the pin 3 to drive the sliding pin 4 to slide in the sliding tube 2, adjust the position according to specific needs when using it, and use a flat-blade screwdriver to tighten the pin 3, at this time, the sliding pin 4 is fixed in the sliding rod and can no longer slide.

[0054] Step three, insert the sliding tube 2 into the center hole 11 of the slider 1, and use a screw 16 to screw it on the threaded hole 17 of the large regular hexahedron of the slider 1. When in use, the position of the slider 1 can be adjusted according to specific needs. After reaching the appropriate position, tighten the screw 16 to lock the slider 1 on the sliding tube 2.

[0055] Step 4, screw the screw 2 13 into the threaded hole 2 14 of the small regular hexahedron of the slider 1 to prevent the screw 2 13 from being lost.

[0056] Embodiment 3, processing workpiece 8 as Fig. 9 As shown, the six outer surfaces of the workpiece 8 and the large hole in the middle have been processed. First, the five small holes and four square ring grooves on the upper surface need to be processed. The positions of the small holes and the ring grooves have precise requirements on the position of the large hole.

[0057] A lever meter stand auxiliary alignment method comprises the following steps: The first step is to fix the pin 3 of the assembled lever gauge frame on the machine tool handle 6. The fixing method can be as follows: insert the pin 3 into the machine tool drill clamp handle or the clamp spring handle and tighten it.

[0058] The workpiece 8 is placed on the machine tool workbench 9 for pre-positioning, with the long side of the workpiece 8 roughly parallel to the workbench, and the two pressing plates 91 gently press the two sides of the workpiece 8 but do not press them tightly yet.

[0059] In the second step, insert the fixing column of the lever meter 7 into the light hole 12 of the small regular hexahedron of the slider 1 and tighten the screw 2 13 using a flat-blade screwdriver to fix the lever meter 7 on the slider 1.

[0060] The third step is to move the axes of the machine tool first so that the needle of the lever gauge 7 presses on the long side of the workpiece 8, move the X-axis of the machine tool back and forth, observe the needle scale, and adjust the position of the workpiece 8 according to the scale value (tap gently) until the needle scale value of the lever gauge 7 no longer changes when the X-axis of the machine tool is moved back and forth. At this time, the long side of the workpiece 8 is completely parallel to the X-axis of the machine tool, and then press the pressure plate 91 to fix the workpiece 8 on the machine tool worktable 9, and then move the machine tool spindle 5 to the approximate position above the large hole of the workpiece 8.

[0061] The fourth step is to rotate the machine tool handle 6 to drive the needle of the lever gauge 7 to make a circular motion, repeatedly move the machine tool spindle 5 and adjust the position of the slider 1 of the lever gauge frame. In this process, observe the positional relationship between the needle of the lever gauge 7 and the large hole of the workpiece 8, repeatedly move the machine tool spindle 5 and adjust the position of the slider 1 of the lever gauge frame so that the needle of the lever gauge 7 is infinitely close to the edge of the large hole wall of the workpiece 8, and then tighten the screw 16 to lock the slider 1 on the sliding tube 2.

[0062] The fifth step is to move the machine tool spindle 5 downward again, driving the needle of the lever gauge 7 to press on the inner wall of the large hole of the workpiece 8. At this time, the pressure gauge amount can be fine-tuned by pressing the needle of the lever gauge 7.

[0063] The sixth step is to rotate the machine tool handle 6 to drive the needle of the lever gauge 7 to draw a circle, observe the scale of the needle, and adjust the X-axis and Y-axis positions of the machine tool according to the scale value until the scale value of the lever gauge 7 does not change after one rotation of the lever gauge 7. At this time, the position of the machine tool spindle 5 is precisely located at the center of the large hole of the workpiece 8. The machine tool coordinate value is cleared as the zero point of the workpiece 8 during processing. After the alignment work is completed, processing can begin.

[0064] The lever meter stand of the present invention can also be used in application scenarios such as leveling a plane, centering the four sides of a square part, and finding a point on a single side.

[0065] The above is only a specific implementation of the present invention, which enables those skilled in the art to understand or implement the present invention. Although detailed descriptions are given with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments, and they should all be covered by the protection scope of the claims.

Claims

1. A lever meter stand, characterized in that: The invention comprises a slider (1) with a center hole (11), a slide tube (2) and a pin (3), wherein the slide tube (2) slides in the center hole (11) of the slider (1), a fixing device (1) is provided on one side of the slider (1), and the fixing device (1) is capable of fixing the slider (1) on the slide tube (2), the slide tube (2) is provided with a waist groove (21) along the axis, the pin (3) comprises a pin rod portion (31) and a threaded portion (32), the threaded portion (32) of the pin (3) passes through the waist groove (21) and is connected to a slide pin (4), and the slide pin (4) is capable of sliding inside the slide tube (2), the slider (1) is provided with a light hole (12) on one side perpendicular to the axis of the center hole (11), and the slider (1) is provided with a fixing device (2) in a direction perpendicular to the axis of the light hole (12).

2. A lever meter stand according to claim 1, characterized in that: A slot is formed on the top surface of the pin portion (31).

3. A lever meter stand according to claim 1, characterized in that: The second fixing device is a second screw (13), and the slider (1) is provided with a second threaded hole (14) in a direction perpendicular to the axis of the light hole (12). The second threaded hole (14) is connected to the light hole (12), and the second screw (13) and the second threaded hole (14) can be screwed and adapted to each other, and a slot is provided at the end of the second screw (13) without a thread.

4. A lever meter stand according to claim 1, characterized in that: The first fixing device and the second fixing device are arranged on the same side of the slide block (1).

5. A lever meter stand according to claim 1, characterized in that: The slider (1) is provided with a transverse groove (15) which penetrates the central hole (11); the transverse groove (15) can expose the waist groove (21) and can accommodate the pin rod portion (31) of the pin (3) to pass through; and the width of the transverse groove (15) is smaller than the diameter of the central hole (11).

6. A lever meter stand according to any one of claims 1 to 5, characterized in that: The fixing device is a screw (16), and a threaded hole (17) is provided on one side of the slider (1). The threaded hole (17) is connected to the center hole (11), and the screw (16) and the threaded hole (17) can be screwed together.

7. A lever meter stand according to claim 6, characterized in that: The screwing portion of the screw 1 (16) is rolled with a pattern.

8. A lever meter stand according to any one of claims 1 to 5, characterized in that: The slider (1) is composed of two regular hexahedrons with different side lengths, and the regular hexahedron with the longer side is on the upper side of the regular hexahedron with the shorter side. The first fixing device is arranged on the regular hexahedron with the longer side, and the second fixing device is arranged on the regular hexahedron with the shorter side.

9. A lever meter stand according to claim 8, characterized in that: After the fixing device 2 is completed, it does not extend beyond the surface of the large cube.

10. A lever meter stand according to claim 7, characterized in that: The slider (1) is composed of two regular hexahedrons with different side lengths, and the regular hexahedron with the longer side is on the upper side of the regular hexahedron with the shorter side. The first fixing device is arranged on the regular hexahedron with the longer side, and the second fixing device is arranged on the regular hexahedron with the shorter side. After the fixing device is completed, it does not extend beyond the surface of the large cube.

11. A method for using a lever meter stand, characterized in that: The method for using the lever meter stand according to any one of claims 1 to 10 is as follows: Step 1: insert the sliding pin (4) into the sliding tube (2), with the threaded hole of the sliding pin (4) facing the waist groove (21) of the sliding tube (2); Step 2: The threaded portion (32) of the pin (3) is passed through the waist groove (21) of the slide tube (2) and screwed into the slide pin (4). The pin (3) is used to drive the slide pin (4) to slide inside the slide tube (2). After reaching the position, the pin (3) is further screwed, and the slide pin (4) is locked inside the slide tube (2) with the pin (3); Step three, insert the sliding tube (2) into the central hole (11) of the sliding block (1), and use the fixing device 1 to lock the sliding block (1) onto the sliding tube (2).

12. A lever gauge stand auxiliary alignment method, characterized in that: The method is implemented by a lever meter stand as described in any one of claims 1 to 10, and comprises the following steps: In the first step, the pin (3) of the assembled lever gauge frame is fixed to the machine tool handle (6), and the workpiece (8) is placed on the machine tool worktable (9) for pre-positioning; In the second step, the fixing column of the lever gauge (7) is inserted into the light hole (12) of the slider (1) and then locked using a second fixing device, so that the lever gauge (7) is fixed on the slider (1); The third step is to move the machine tool spindle (5) to a position above the circular hole of the workpiece (8) where the center is to be found; The fourth step is to rotate the machine tool handle (6) to drive the needle of the lever gauge (7) to make a circular motion, repeatedly move the machine tool spindle (5) and adjust the position of the slider (1) of the lever gauge frame, observe the positional relationship between the needle of the lever gauge (7) and the circular hole of the workpiece (8) during this process, so that the needle of the lever gauge (7) is infinitely close to the edge position of the circular hole wall of the workpiece (8), and then lock the slider (1) on the slide tube (2); The fifth step is to move the machine tool spindle (5) downward to drive the needle of the lever gauge (7) to press against the wall of the circular hole of the workpiece (8); The sixth step is to rotate the machine tool handle (6) to drive the dial indicator (7) needle to make a circular motion, observe the scale of the dial indicator needle, and adjust the X-axis and Y-axis positions of the machine tool according to the scale values ​​until the scale value of the dial indicator (7) does not change after one rotation. At this time, the position of the machine tool spindle (5) is accurately located at the center of the circular hole of the workpiece (8). The machine tool coordinate value is cleared to zero as the zero point of the workpiece (8) during processing, and the alignment work is completed.

13. A lever meter stand auxiliary alignment method according to claim 12, characterized in that: The pre-positioning step of the workpiece (8) in the first step is: the long side of the workpiece (8) is roughly parallel to the workbench, and the two pressing plates (91) press the two sides of the workpiece (8) but do not press them tightly.

14. A lever gauge stand auxiliary alignment method according to claim 13, characterized in that: In the third step, before the machine tool spindle (5) is moved to a position above the circular hole of the workpiece (8) whose center is to be found, the axes of the machine tool are first moved so that the needle of the lever gauge (7) is pressed against the long side of the workpiece (8), the X axis of the machine tool is reciprocated, the needle scale is observed, and the position of the workpiece (8) is adjusted according to the scale value until the needle scale value of the lever gauge (7) no longer changes when the X axis of the machine tool is reciprocated, at which time the long side of the workpiece (8) is completely parallel to the X axis of the machine tool, and then the pressing plate (91) is pressed to fix the workpiece (8) on the machine tool worktable (9).

15. A lever meter stand auxiliary alignment method according to claim 14, characterized in that: The position of the workpiece (8) is adjusted by tapping.

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