Rapid adjusting and aligning device for grating ruler

Abstract

The utility model relates to the technical field of gratings, in particular to a grating ruler rapid adjusting and aligning device, which comprises a clamping sleeve, a grating ruler rapid adjusting and aligning device, a grating ruler rapid adjusting and aligning device and a grating ruler rapid adjusting and aligning device, and is characterized in that a mounting cavity is arranged at the inner left end of the clamping sleeve; the inclined ruler seat is in bolted connection with the interior of the mounting cavity through a locking screw; the inclined positioning block is arranged at the inner bottom end of the mounting cavity and can be matched with the inclined ruler seat to move; and the adjusting screw is in threaded fit with the interior of the right end of the clamping sleeve and is in contact with the inclined positioning block. According to the utility model, the clamping sleeve, the inclined ruler seat and the inclined positioning block are matched and are adjusted and locked through the locking screw and the adjusting screw, so that the inclined ruler seat can be quickly positioned and a gap can be eliminated, and the distance between the grating ruler and the reading head can be quickly adjusted and positioned; and meanwhile, the clamping sleeve, the inclined ruler seat and the inclined positioning block are matched, so that the reading head can be prevented from deflecting, and the pulse accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of gratings, in particular to a grating scale rapid adjustment and alignment device. Background Art

[0002] Grating reading is a measurement feedback device that works on the optical principle of grating; grating is often used in the closed-loop servo system of CNC machine tools, and can be used to detect linear displacement or angular displacement. Its measurement output signal is a digital pulse, which has the characteristics of large detection range, high detection accuracy and fast response speed; it is usually used in mechanical processing machine tools to detect the coordinates of tools and workpieces, to observe and track tool feeding errors, so as to play a role in compensating tool motion errors.

[0003] The grating reading head is generally connected to a fixed plate by a bracket, bolts and waist holes for use with the grating. When adjusting the distance between the reading head and the grating, it is necessary to move the bracket back and forth by hand to drive the reading head closer to or away from the grating. Since the gap between the reading head and the grating requires high precision, this adjustment method is complicated, inconvenient to operate and time-consuming. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a device for quickly adjusting the alignment of a grating scale, so as to solve the technical problems that when adjusting the gap between the existing grating and the reading head, a bracket needs to be moved for adjustment, which is inconvenient to operate and time-consuming.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A scale quick adjustment alignment device, comprising:

[0007] A clamping sleeve, wherein the left inner end of the clamping sleeve is provided with a mounting cavity;

[0008] An oblique ruler seat, the oblique ruler seat being bolted to the interior of the mounting cavity by means of locking screws;

[0009] An oblique positioning block, which is arranged at the inner bottom end of the mounting cavity and can cooperate with the oblique ruler seat for movement;

[0010] An adjusting screw is threadably engaged with the inside of the right end of the clamp sleeve and contacts the oblique positioning block.

[0011] Furthermore, a stop groove matched with the oblique ruler seat is provided at the left end of the installation cavity, and the inner wall of the stop groove is in sliding fit with the oblique ruler seat.

[0012] Furthermore, an oblique groove is provided at the lower right end of the oblique ruler seat, the upper end of the oblique ruler seat is slidably matched with the inner upper end of the installation cavity, and a third threaded hole is provided in the middle of the upper right end of the oblique ruler seat.

[0013] Furthermore, a step hole is provided in the middle of the right end of the clamping sleeve, and the step hole and the third threaded hole are coaxially arranged.

[0014] Furthermore, the threaded end of the locking screw passes through the stepped hole and is threadedly engaged with the interior of the third threaded hole.

[0015] Furthermore, the width of the oblique positioning block is smaller than the depth of the oblique groove, and the front and rear sides of the oblique positioning block are respectively slidably matched with the front inner wall and the rear inner wall of the installation cavity.

[0016] Furthermore, the upper left end of the oblique positioning block is provided with an inclined surface that is slidably matched with the top wall of the inclined groove, and the angle between the inclined surface and the right side wall of the oblique positioning block is sixty degrees.

[0017] Furthermore, a first threaded hole is provided in the middle of the right side of the clamp sleeve and below the step hole, and the adjusting screw is threadably fitted into the interior of the first threaded hole.

[0018] Furthermore, the lower end of the oblique ruler seat is located below the clamping sleeve, a mounting groove is provided on the right side of the lower end of the oblique groove, a round hole is provided in the middle of the mounting groove, mounting holes are provided at the four corners of the inner wall of the mounting groove, and the inner top wall of the mounting groove is located below the clamping sleeve.

[0019] Furthermore, two symmetrically distributed second threaded holes are provided on the left side of the top end of the clamp sleeve, and a groove is provided on the top end of the clamp sleeve and on the right side of the second threaded holes.

[0020] Beneficial effects of the utility model:

[0021] The utility model adopts the combination of a clamping sleeve, an oblique scale seat and an oblique positioning block, and adjusts and locks through a locking screw and an adjusting screw, so that the oblique scale seat can be quickly positioned and the gap can be eliminated, so that the distance between the scale and the reading head can be quickly adjusted and positioned; at the same time, the combination of the clamping sleeve, the oblique scale seat and the oblique positioning block can avoid the deflection of the reading head, thereby ensuring the accuracy of the pulse. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 is a schematic diagram of the three-dimensional structure of an embodiment of the alignment device;

[0024] Figure 2 This is a schematic structural diagram of another viewing angle of the embodiment of the alignment device;

[0025] Figure 3 This is a schematic diagram of the front cross-sectional structure of the embodiment of the alignment device;

[0026] Figure 4 This is a schematic diagram of the overall exploded structure of the embodiment of the alignment device;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping sleeve of the embodiment of the alignment device.

[0028] Explanation of the markings in the figure: 1. Clamp sleeve; 101. Mounting cavity; 102. Stop groove; 103. Step hole; 104. First threaded hole; 105. Second threaded hole; 106. Groove; 2. Oblique ruler seat; 201. Third threaded hole; 202. Oblique groove; 203. Mounting groove; 204. Mounting hole; 3. Oblique positioning block; 301. Inclined surface; 4. Locking screw; 5. Adjusting screw. DETAILED DESCRIPTION

[0029] 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 part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0030] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0031] It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in this utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0032] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0033] See also Figure 1-5 As shown, a device for quickly adjusting and aligning a scale comprises: a clamping sleeve 1, wherein the inner left end of the clamping sleeve 1 is provided with a mounting cavity 101; an oblique scale seat 2, wherein the oblique scale seat 2 is bolted to the inside of the mounting cavity 101 through a locking screw 4; an oblique positioning block 3, wherein the oblique positioning block 3 is arranged at the inner bottom end of the mounting cavity 101 and can cooperate with the oblique scale seat 2 for movement; an adjusting screw 5, wherein the adjusting screw 5 is threadedly fitted into the inner right end of the clamping sleeve 1 and contacts with the oblique positioning block 3; a reading head can be installed on one side of the lower end of the oblique scale seat 2, and the distance between the scale and the reading head can be quickly positioned by using the clamping sleeve 1, the oblique scale seat 2, the adjusting screw 5 and the locking screw 4 in combination.

[0034] Specifically, Figure 2 , Figure 3 and Figure 5 As shown, a stop groove 102 matching with the oblique ruler seat 2 is provided at the left end of the installation cavity 101, and the inner wall of the stop groove 102 is in sliding cooperation with the oblique ruler seat 2; the setting of the stop groove 102 can facilitate the oblique ruler seat 2 to slide in the installation cavity 101, and at the same time guide and limit the oblique ruler seat 2.

[0035] Specifically, Figure 3 and Figure 4 As shown, an oblique groove 202 is provided at the lower right end of the oblique ruler seat 2, and the upper end of the oblique ruler seat 2 is slidably matched with the inner upper end of the mounting cavity 101, and a third threaded hole 201 is provided in the middle of the upper right end of the oblique ruler seat 2; the setting of the oblique groove 202 can facilitate the coordinated movement of the oblique ruler seat 2 and the oblique positioning block 3, thereby quickly locating the gap between the oblique ruler seat 2 and the clamping sleeve 1.

[0036] Specifically, Figure 3 and Figure 4 As shown, a step hole 103 is provided in the middle of the right end of the clamp sleeve 1, and the step hole 103 and the third threaded hole 201 are coaxially arranged; the threaded end of the locking screw 4 passes through the step hole 103 and is threadedly engaged with the inside of the third threaded hole 201; the setting of the step hole 103 can facilitate the installation of the locking screw 4, and at the same time, the locking screw 4 can cooperate with the adjusting screw 5 to locate the gap between the oblique scale seat 2 and the oblique positioning block 3 and lock it, so that the locking screw 4 is hidden in the step hole 103, so that the cooperation of the clamp sleeve 1, the oblique scale seat 2 and the oblique positioning block 3 can prevent the reading head from swinging, resulting in pulse loss.

[0037] Specifically, Figure 3 and Figure 4As shown, the width of the oblique positioning block 3 is smaller than the groove depth of the oblique groove 202, and the front and rear sides of the oblique positioning block 3 are respectively slidably matched with the front inner wall and the rear inner wall of the installation cavity 101; the upper left end of the oblique positioning block 3 is provided with an inclined surface 301 which is slidably matched with the inner top wall of the oblique groove 202, and the angle between the inclined surface 301 and the right side wall of the oblique positioning block 3 is sixty degrees; when the reading head is adjusted to the left, the locking screw 4 is loosened to make the oblique ruler seat 2 and the oblique positioning block 3 lose the limit and disengage, and the adjusting screw 5 is rotated forward to make the adjusting screw 5 move to the left and push the oblique positioning block 3 to the left, and the locking screw 4 is locked after the oblique ruler seat 2 is adjusted to a suitable position.

[0038] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, a first threaded hole 104 is provided in the middle of the right side of the clamp sleeve 1 and below the step hole 103, and the adjusting screw 5 is threadedly fitted into the interior of the first threaded hole 104; the adjusting screw 5 is a headless screw, and the adjusting screw 5 can be moved left and right in the first threaded hole 104 by means of a tool, so that the left end of the adjusting screw 5 can push the oblique positioning block 3 through the movement of the adjusting screw 5, so that the oblique positioning block 3 can contact the oblique ruler seat 2 to eliminate the gap.

[0039] Specifically, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the lower end of the oblique scale seat 2 is located below the clamping sleeve 1, a mounting groove 203 is provided on the right side of the lower end of the oblique groove 202, a circular hole is provided in the middle of the mounting groove 203, mounting holes 204 are provided at the four corners of the inner wall of the mounting groove 203, and the inner top wall of the mounting groove 203 is located below the clamping sleeve 1; the reading head can be bolted into the mounting groove 203, which is convenient for adjusting the reading head and the scale rib, and at the same time, the positioning step is not drawn as a reference datum surface, and no angular deviation will occur.

[0040] Specifically, Figure 1 and Figure 2 As shown, two symmetrically distributed second threaded holes 105 are provided on the left side of the top of the clamp sleeve 1, and a groove 106 is provided at the top of the clamp sleeve 1 and on the right side of the second threaded hole 105; the clamp sleeve 1 can be bolted to the mounting plate (not shown) through the second threaded hole 105, and at the same time, the groove 106 can reduce the overall weight and facilitate the storage and passage of the wiring harness.

[0041] In summary, compared with the prior art, the alignment device has at least the following beneficial effects: the utility model adopts the combination of the clamping sleeve 1, the oblique scale seat 2 and the oblique positioning block 3, and adjusts and locks through the locking screw 4 and the adjusting screw 5, which can quickly position the oblique scale seat 2 and eliminate the gap, so that the distance between the scale and the reading head can be quickly adjusted and positioned; at the same time, the combination of the clamping sleeve 1, the oblique scale seat 2 and the oblique positioning block 3 can avoid the deflection of the reading head and ensure the accuracy of the pulse.

[0042] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A scale rapid adjustment alignment device, characterized in that: include: A clamping sleeve (1), wherein a mounting cavity (101) is provided at the left inner end of the clamping sleeve (1); An oblique ruler seat (2), the oblique ruler seat (2) being bolted to the interior of the mounting cavity (101) via a locking screw (4); An oblique positioning block (3), the oblique positioning block (3) being arranged at the inner bottom end of the installation cavity (101) and being capable of cooperating with the oblique ruler seat (2) for movement; An adjusting screw (5) is threadably engaged with the inside of the right end of the clamping sleeve (1) and is in contact with the oblique positioning block (3).

2. A scale rapid adjustment and alignment device according to claim 1, characterized in that: A stop groove (102) matching with the oblique ruler seat (2) is provided at the left end of the installation cavity (101), and the inner wall of the stop groove (102) is in sliding cooperation with the oblique ruler seat (2).

3. The device for quickly adjusting and aligning a scale according to claim 1, characterized in that: The lower right end of the oblique ruler seat (2) is provided with an oblique groove (202), the upper end of the oblique ruler seat (2) is slidably matched with the inner upper end of the installation cavity (101), and a third threaded hole (201) is provided in the middle of the upper right end of the oblique ruler seat (2).

4. The scale rapid adjustment and alignment device according to claim 1, characterized in that: A stepped hole (103) is provided in the middle of the right end of the clamping sleeve (1), and the stepped hole (103) and the third threaded hole (201) are coaxially arranged.

5. The device for quickly adjusting and aligning a scale according to claim 1, characterized in that: The threaded end of the locking screw (4) passes through the stepped hole (103) and is threadedly engaged with the interior of the third threaded hole (201).

6. The scale rapid adjustment and alignment device according to claim 1, characterized in that: The width of the oblique positioning block (3) is smaller than the depth of the oblique groove (202), and the front and rear sides of the oblique positioning block (3) are respectively in sliding cooperation with the front inner wall and the rear inner wall of the installation cavity (101).

7. The device for quickly adjusting and aligning a scale according to claim 1, characterized in that: The upper left end of the oblique positioning block (3) is provided with an inclined surface (301) which is in sliding cooperation with the inner top wall of the oblique groove (202), and the angle between the inclined surface (301) and the right side wall of the oblique positioning block (3) is sixty degrees.

8. The scale rapid adjustment and alignment device according to claim 1, characterized in that: A first threaded hole (104) is provided in the middle of the right side of the clamp sleeve (1) and below the step hole (103), and the adjusting screw (5) is threadedly fitted into the interior of the first threaded hole (104).

9. The scale rapid adjustment and alignment device according to claim 3, characterized in that: The lower end of the oblique ruler seat (2) is located below the clamping sleeve (1); a mounting groove (203) is provided on the right side of the lower end of the oblique groove (202); a circular hole is provided in the middle of the mounting groove (203); mounting holes (204) are provided at the four corners of the inner wall of the mounting groove (203); and the inner top wall of the mounting groove (203) is located below the clamping sleeve (1).

10. The scale rapid adjustment and alignment device according to claim 1, characterized in that: Two symmetrically distributed second threaded holes (105) are provided on the left side of the top end of the clamp sleeve (1), and a groove (106) is provided on the top end of the clamp sleeve (1) and on the right side of the second threaded holes (105).

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