Grinding machine

Abstract

The utility model relates to a grinding machine, which comprises a machine base, an adjusting sleeve, a rotating matching piece, a grinding wheel, a grinding wheel, a grinding wheel and a grinding wheel, and is characterized in that the adjusting sleeve is fixedly arranged on the machine base; the fixing frame is used for fixing a ground workpiece, is located above the machine base and is provided with a rotating shaft, and the rotating shaft penetrates through and is rotationally connected to the rotating matching piece so as to allow the fixing frame to pitch; an adjusting gap is reserved between the adjusting sleeve and the rotating matching piece so as to allow the fixing frame to swing horizontally and laterally; the pitching adjusting assembly, the horizontal swing adjusting assembly and the side swing adjusting assembly are all connected to the machine base and used for adjusting the pitching angle, the horizontal swing angle and the side swing angle of the fixing frame respectively. The grinding machine has the advantages that in the process of grinding a workpiece by using the grinding machine, the ground workpiece is fixed on the fixing frame; when the relative posture between the grinding tool and the workpiece needs to be adjusted, the posture of the main shaft can be adjusted, the posture of the fixing frame can also be adjusted, the posture of the workpiece is adjusted, and therefore the relative posture between the grinding tool and the workpiece is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding, in particular to a grinding machine. Background Art

[0002] In the process of grinding workpieces using a grinder, it is necessary to adjust the relative posture between the grinder and the workpiece to improve the grinding accuracy. At present, the relative posture between the grinder on the spindle and the workpiece is usually adjusted by changing the spindle posture. However, the relative posture between the grinder and the workpiece can actually be adjusted by changing the workpiece posture. Therefore, it is possible to consider designing a grinder that can adjust the workpiece posture to provide more means for adjusting the relative posture between the grinder and the workpiece. Utility Model Content

[0003] Based on this, it is necessary to provide a grinding machine to address the above problem, which can adjust the posture of a fixing frame that fixes the workpiece to adjust the posture of the workpiece, thereby adjusting the relative posture between the grinding tool and the workpiece.

[0004] In order to solve the above problems, the utility model provides the following technical solutions:

[0005] A grinding machine, comprising:

[0006] The machine base is fixedly provided with an adjustment sleeve and is adjustably provided with a rotating matching piece, wherein the adjustment sleeve is sleeved on the rotating matching piece;

[0007] A fixed frame, fixing the workpiece to be ground, is located above the machine base and has a rotating shaft, the rotating shaft is passed through and rotatably connected to the rotating fitting to allow the fixed frame to pitch; an adjustment gap is left between the adjustment sleeve and the rotating fitting to allow the fixed frame to swing horizontally and sideways; and

[0008] The pitch adjustment component, the yaw adjustment component and the roll adjustment component are all connected to the machine base and are used to adjust the pitch angle, the yaw angle and the roll angle of the fixing frame respectively.

[0009] The grinding machine has at least the following beneficial effects:

[0010] When a workpiece is ground using a grinder, the workpiece is fixed to a fixed frame. When the relative posture between the grinding tool and the workpiece needs to be adjusted, in addition to adjusting the posture of the spindle, the posture of the fixed frame can also be adjusted to adjust the posture of the workpiece, thereby adjusting the relative posture between the grinding tool and the workpiece.

[0011] In one embodiment, the fixing frame has a first end and a second end opposite to each other, the rotating shaft is located at the first end, and the pitch adjustment assembly drives the second end to rise and fall so as to rotate the rotating shaft.

[0012] With such arrangement, the rotating shaft can be rotated by driving the second end to rise and fall, thereby causing the fixing frame to pitch.

[0013] In one of the embodiments, the fixing frame has a force-bearing member arranged at the second end, and the pitch adjustment assembly includes a wedge-shaped block gradually narrowing along a first direction, a lower connecting block located at the bottom, and an upper connecting block located at the top; the lower connecting block is connected to the machine base, and the upper connecting block is connected to the force-bearing member; the wedge-shaped block is clamped between the upper connecting block and the lower connecting block, and can slide relative to the upper connecting block and the lower connecting block along the first direction to raise and lower the second end.

[0014] With such arrangement, the wedge block can be made to slide along the first direction, thereby causing the fixing frame to pitch.

[0015] In one embodiment, the pitch adjustment assembly also includes a first force-applying member and a force-applying matching member, the wedge block is provided with a first avoidance hole, the lower connecting block is provided with a first limiting hole, and the upper connecting block is provided with a second limiting hole, the force-applying matching member passes through the first avoidance hole and extends into the first limiting hole and the second limiting hole, the first limiting hole and the second limiting hole are both adapted to the force-applying matching member, the first avoidance hole extends along the first direction to allow the wedge block to slide along the first direction; the first force-applying member is threadedly connected to the force-applying matching member and the axial direction of the threaded connection is along the first direction, and the wedge block is fixed to the first force-applying member.

[0016] With such arrangement, the wedge block can be made to slide along the first direction by twisting the first force applying member, thereby adjusting the pitch angle of the fixing frame; and the pitch angle of the fixing frame can be maintained by stopping twisting the first force applying member.

[0017] In one embodiment, the side swing adjustment assembly includes a support member, which is horizontally movably connected to the upper connecting block, and the support member is provided with a spherical crown-shaped fitting groove. The force-bearing member has a spherical crown-shaped fitting portion at the lower end, and the lower end of the fitting portion is supported by the groove wall of the fitting groove and adapted to the groove wall of the fitting groove.

[0018] With such arrangement, during the process of adjusting the lateral swing angle, the lower end of the fitting portion always maintains spherical contact with the groove wall of the fitting groove, which can ensure the stability of the contact, so that the fixing frame is always reliably supported, and at the same time can reduce the contact stress between the fixing frame and the support member. The support member can move horizontally to follow the horizontal movement of the fitting portion while always maintaining spherical contact with the fitting portion, thereby allowing the fixing frame to lateral swing.

[0019] In one embodiment, the swing adjustment assembly includes a second force-applying member, which is threadedly connected to the upper connecting block, the axial direction of the threaded connection is parallel to the rotating shaft, and the force-bearing member is located on the movable path of the second force-applying member.

[0020] With such arrangement, the swing angle of the fixing frame can be adjusted by twisting the second force applying member; and the swing angle of the fixing frame can be maintained by stopping twisting the second force applying member.

[0021] In one of the embodiments, the swing adjustment assembly includes two second force-applying members, the two second force-applying members are arranged opposite to each other, and the force-receiving member is located between the two second force-applying members.

[0022] With such arrangement, one of the second force-applying members can make the fixing frame swing in one direction, and the other second force-applying member can make the fixing frame swing in another direction.

[0023] In one embodiment, the fixed frame has a first end and a second end opposite to each other, and the rotating shaft is located at the first end; the swing adjustment assembly includes a third force-applying member, and the third force-applying member is threadedly connected to the adjustment sleeve, and the axial direction of the threaded connection points from the first end to the second end, and the rotating mating member is located on the movable path of the third force-applying member.

[0024] With such arrangement, the rotating matching member can be caused to swing horizontally by twisting the third force applying member, thereby driving the rotating shaft to swing horizontally to adjust the swing angle of the fixing frame; and the swing angle of the fixing frame can be maintained by stopping twisting the third force applying member.

[0025] In one embodiment, the side swing adjustment assembly includes a fourth force-applying member, which is threadedly connected to the adjustment sleeve and is located above or below the end of the rotating shaft. The axial direction of the threaded connection is along the up and down direction, and the rotating mating member is located on the active path of the fourth force-applying member.

[0026] With such arrangement, the rotating matching member can be caused to swing sideways by twisting the fourth force applying member, thereby driving the rotating shaft to swing sideways to adjust the swing angle of the fixing frame; and the swing angle of the fixing frame can be maintained by stopping twisting the fourth force applying member.

[0027] In one of the embodiments, the side swing adjustment assembly includes at least two fourth force applying members, one of which is located above the end of the rotating shaft, and one of which is located below the end of the rotating shaft.

[0028] With such arrangement, the shaft can be swung sideways in one direction by twisting the fourth force-applying member located above the end of the shaft, and the shaft can be swung sideways in another direction by twisting the fourth force-applying member located below the end of the shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional schematic diagram of a partial structure of a grinding machine according to an embodiment of the utility model;

[0030] Figure 2 for Figure 1 A three-dimensional schematic diagram of the structure shown in another viewing angle;

[0031] Figure 3 for Figure 1 a cross-sectional view of a portion of the structure shown;

[0032] Figure 4 for Figure 3 An exploded schematic diagram of the structure shown;

[0033] Figure 5 for Figure 3 The enlarged schematic diagram of point A in the middle;

[0034] Figure 6 for Figure 1 A cross-sectional view of another portion of the structure shown.

[0035] Reference numerals:

[0036] 1. Machine base; 11. Adjustment sleeve; 12. Rotating fitting; 13. Mounting plate;

[0037] 2. fixing frame; 21. rotating shaft; 22. force bearing member; 221. fitting part; 222. third avoidance hole; 23. first end; 24. second end; 25. connecting member; 26. ball head thrust screw;

[0038] 3. Pitch adjustment assembly; 31. Wedge block; 311. First avoidance hole; 32. Lower connecting block; 321. First limit hole; 33. Upper connecting block; 331. Second limit hole; 332. First split body; 333. Second split body; 334. Third split body; 34. First force applying member; 35. Force applying matching member;

[0039] 4. Swing adjustment assembly; 41. Second force applying member; 42. Third force applying member; 43. Second locking screw;

[0040] 5. side swing adjustment component; 51. support member; 511. fitting groove; 512. second avoidance hole; 513. threaded hole; 52. fourth force applying member;

[0041] 6. Adjust the gap;

[0042] 7. Avoid gaps. DETAILED DESCRIPTION

[0043] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0044] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0046] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0048] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0049] See also Figure 1 and Figure 2 The utility model provides a grinding machine, which includes a machine base 1 and a fixed frame 2. The machine base 1 is provided with an adjustment sleeve 11 and a rotating fitting 12. The fixed frame 2 is located above the machine base 1, and the fixed frame 2 is provided with a rotating shaft 21. The rotating shaft 21, the rotating fitting 12, and the adjustment sleeve 11 are sequentially sleeved, wherein the rotating shaft 21 is rotatably connected to the rotating fitting 12 to allow the fixed frame 2 to pitch; the adjusting sleeve 11 is fixedly arranged, and the rotating shaft 21 is adjustably arranged with an adjustment gap 6 between the rotating shaft 21 and the adjusting sleeve 11 to allow the fixed frame 2 to swing horizontally and sideways.

[0050] The grinding machine also includes a pitch adjustment component 3, a swing adjustment component 4 and a roll adjustment component 5. The pitch adjustment component 3, the swing adjustment component 4 and the roll adjustment component 5 are all connected to the machine base 1 and are used to adjust the pitch angle, the swing angle and the roll angle of the fixed frame 2 respectively.

[0051] When the grinder is used to grind a workpiece, the workpiece being ground is fixed to the fixed frame 2. When the relative posture between the grinding tool and the workpiece needs to be adjusted, in addition to adjusting the posture of the spindle, the posture of the fixed frame 2 can also be adjusted to adjust the posture of the workpiece, thereby adjusting the relative posture between the grinding tool and the workpiece.

[0052] The above pitch, yaw and roll refer to the rotation of Figure 1 The Y, Z, and X axis swings in the following text. Figure 1 The X, Y, and Z directions in the .

[0053] Exemplarily, the rotating shaft 21 and the rotating fitting 12 are rotatably connected via a bearing, wherein an inner ring of the bearing is fixed to the rotating shaft 21 , and an outer ring of the bearing is fixed to the rotating fitting 12 .

[0054] See also Figure 1 and Figure 2 The fixing frame 2 has a first end 23 and a second end 24 opposite to each other, the rotating shaft 21 is located at the first end 23, and the pitch adjustment assembly 3 drives the second end 24 to rise and fall to rotate the rotating shaft 21, so that the fixing frame 2 swings around the rotating shaft 21 and pitches.

[0055] See also Figure 1 and Figure 2 The grinding machine has a force-bearing member 22, and the force-bearing member 22 is arranged at the second end 24. Figure 3 and Figure 4 The pitch adjustment assembly 3 includes a wedge block 31 that gradually narrows along a first direction (i.e., the Y direction), a lower connecting block 32 located at the bottom, and an upper connecting block 33 located at the top. The lower connecting block 32 is fixedly connected to or integrally formed on the base 1, the upper connecting block 33 abuts the support member 51, and the support member 51 abuts the force-bearing member 22. The wedge block 31 is sandwiched between the upper connecting block 33 and the lower connecting block 32, and can slide relative to the upper connecting block 33 and the lower connecting block 32 along the first direction to lift the upper connecting block 33, thereby lifting the second end 24, and then causing the fixed frame 2 to pitch. In other embodiments, the first direction can be any direction in the XY plane, such as the X direction; the lower connecting block 32 can also abut against the base 1, and the upper connecting block 33 can also be fixedly connected to or integrally formed on the force-bearing member 22.

[0056] See also Figure 3 , the lower connecting block 32 and the upper connecting block 33 are both arranged in close contact with the wedge block 31. The upper end surface of the lower connecting block 32 and the lower end surface of the wedge block 31 are both inclined planes with the same inclination angle, the lower end surface of the upper connecting block 33 and the upper end surface of the wedge block 31 are both inclined planes with the same inclination angle, and the lower end surface of the wedge block 31 and the upper end surface of the wedge block 31 gradually approach each other along the first direction. Of course, in other embodiments, one of the lower end surface of the wedge block 31 and the upper end surface of the wedge block 31 can also be a plane parallel to the horizontal plane.

[0057] For example, see Figure 3 and Figure 4 To facilitate the production of the upper connecting block 33, the upper connecting block 33 is assembled from a first sub-body 332, a second sub-body 333 and a third sub-body 334. The lower connecting block 32 is fixed to the mounting plate 13, and the mounting plate 13 is fixed to the base 1.

[0058] See also Figures 3 to 5The pitch adjustment assembly 3 also includes a first force-applying member 34 and a force-applying matching member 35. The wedge block 31 is provided with a first avoidance hole 311, the lower connecting block 32 is provided with a first limiting hole 321, and the upper connecting block 33 is provided with a second limiting hole 331. The force-applying matching member 35 passes through the first avoidance hole 311 and extends into the first limiting hole 321 and the second limiting hole 331. The first limiting hole 321 and the second limiting hole 331 are both adapted to the force-applying matching member 35. In this way, the horizontal position of the force-applying matching member 35 is limited by the lower connecting block 32, and the horizontal position of the upper connecting block 33 is limited by the force-applying matching member 35. The first avoidance hole 311 extends along the first direction (i.e., the Y direction) to allow the wedge block 31 to slide along the first direction. The first force-applying member 34 is threadedly connected to the force-applying matching member 35, and the axial direction of the threaded connection is along the first direction. The wedge block 31 is fixed to the first force-applying member 34. In this way, the wedge block 31 can be slid along the first direction by twisting the first force applying member 34 , so as to adjust the pitch angle of the fixing frame 2 ; and the pitch angle of the fixing frame 2 can be maintained by stopping twisting the first force applying member 34 .

[0059] It can be understood that, in order to facilitate the lifting and lowering of the upper connecting block 33, a small gap can be left between the hole wall of the second limiting hole 331 and the portion of the force-applying matching member 35 extending into the second limiting hole 331. Exemplarily, the second limiting hole 331 is a circular hole, the force-applying matching member 35 is a columnar body, and the hole diameter of the second limiting hole 331 is slightly larger than the diameter of the force-applying matching member 35.

[0060] See also Figure 3 and Figure 4 The side swing adjustment assembly 5 includes a support member 51, which is placed on the upper connecting block 33. A spherical crown-shaped fitting groove 511 is provided on the support member 51, and the force-bearing member 22 has a fitting portion 221 with a spherical crown at the lower end, and the lower end of the fitting portion 221 is supported on the groove wall of the fitting groove 511 and adapted to the groove wall of the fitting groove 511. In this way, in the process of adjusting the side swing angle of the fixed frame 2, the lower end of the fitting portion 221 always maintains spherical contact with the groove wall of the fitting groove 511, which can ensure the stability of the contact, so that the fixed frame 2 is always reliably supported, and at the same time can reduce the contact stress between the fixed frame 2 and the support member 51. In the process of adjusting the side swing angle of the fixed frame 2, the horizontal position of the fitting portion 221 will change. The support member 51 can move horizontally to follow the horizontal movement of the fitting portion 221 while always maintaining spherical contact with the fitting portion 221, thereby allowing the fixed frame 2 to side swing.

[0061] Optionally, in some embodiments, the lower end of the fitting portion 221 is entirely spherical.

[0062] See also Figure 3 and Figure 5In some embodiments, the lower end of the fitting portion 221 is not entirely spherical. In these embodiments, when the fixing frame 2 is placed flat, there is an avoidance gap 7 between the lower end of the fitting portion 221 except the spherical portion and the support member 51 to allow the fixing frame 2 to swing horizontally.

[0063] See also Figure 3 and Figure 4 The swing adjustment assembly 4 includes a second force-applying member 41, which is threadedly connected to the upper connecting block 33. The axial direction of the threaded connection is parallel to the rotating shaft 21 (that is, the axial direction of the threaded connection is along the Y direction), and the force-receiving member 22 is located on the movable path of the second force-applying member 41. By twisting the second force-applying member 41, the force-receiving member 22 can be swung around the Z direction, thereby adjusting the swing angle of the fixing frame 2; by stopping twisting the second force-applying member 41, the swing angle of the fixing frame 2 can be maintained.

[0064] Preferably, the swing adjustment assembly 4 includes two second force-applying members 41, which are arranged opposite to each other, and the force-receiving member 22 is located between the two second force-applying members 41. In this way, one of the second force-applying members 41 can make the fixing frame 2 swing in one direction, and the other second force-applying member 41 can make the fixing frame 2 swing in another direction.

[0065] See also Figure 1 and Figure 2 In order to install the rotating shaft 21, a connecting member 25 is fixed on the fixing frame 2, and the first end 23 is located on the connecting member 25. The connecting member 25 is detachably connected to the rotating shaft 21. In the process of adjusting the swing angle of the fixing frame 2 by using the second force applying member 41, the connecting member 25 may rotate slightly relative to the rotating shaft 21. If the connecting member 25 is in direct contact with the rotating shaft 21, such slight rotation will cause wear of the rotating shaft 21. Figure 6 In order to prevent the shaft 21 from being worn, a plurality of ball thrust screws 26 are threadedly connected to the connecting member 25, and the balls at the ends of the rods of the ball thrust screws 26 are all in contact with the shaft 21 to clamp the shaft 21. In this way, the connecting member 25 is not in direct contact with the shaft 21, and the balls on the ball thrust screws 26 are in direct contact with the shaft 21. Even if the connecting member 25 rotates slightly relative to the shaft 21, only the balls on the ball thrust screws 26 will roll on the surface of the shaft 21, and the shaft 21 will not be worn.

[0066] See also Figure 1 , Figure 2 and Figure 6The swing adjustment assembly 4 includes a third force-applying member 42, which is threadedly connected to the adjustment sleeve 11, and the axial direction of the threaded connection is from the first end 23 to the second end 24, and the rotating matching member 12 is located on the active path of the third force-applying member 42. By turning the third force-applying member 42, the rotating matching member 12 can be made to swing, thereby driving the rotating shaft 21 to swing, so as to adjust the swing angle of the fixing frame 2; by stopping turning the third force-applying member 42, the swing angle of the fixing frame 2 can be maintained.

[0067] See also Figure 4 , a second avoidance hole 512 is provided on the support member 51, and the swing adjustment assembly 4 further includes a second locking screw 43, which passes through the second avoidance hole 512 and is threadedly connected to the upper connecting block 33. There is a large gap between the rod of the second locking screw 43 and the hole wall of the second avoidance hole 512 to allow the support member 51 to move horizontally; the minimum horizontal dimension of the head of the second locking screw 43 is greater than the width of the second avoidance hole 512, so that the support member 51 can be clamped between the head of the second locking screw 43 and the upper connecting block 33 by tightening the second locking screw 43. When it is necessary to adjust the swing angle of the fixing frame 2, the second locking screw 43 is loosened to allow the support member 51 to move horizontally, thereby allowing the fixing frame 2 to swing horizontally; after adjusting the swing angle of the fixing frame 2, the second locking screw 43 is tightened to fix the support member 51 to assist in maintaining the swing angle of the fixing frame 2.

[0068] See also Figure 4 The fitting part 221 is provided with a third avoidance hole 222 penetrating in the vertical direction, the support member 51 is provided with a threaded hole 513 penetrating in the vertical direction, and the pitch adjustment assembly 3 further includes a first locking screw (not shown in the figure), the rod of the first locking screw passes through the third avoidance hole 222 and is threadedly connected to the threaded hole 513, the head of the first locking screw is located above the fitting part 221, and the minimum horizontal dimension of the head of the first locking screw is greater than the width of the third avoidance hole 222, so that the fitting part 221 can be clamped between the head of the first locking screw and the support member 51 by tightening the first locking screw. In order to allow the fixing frame 2 to pitch and roll, there is a large gap between the hole wall of the third avoidance hole 222 and the rod of the first locking screw. When the pitch angle or roll angle of the fixing frame 2 needs to be adjusted, the first locking screw is loosened to allow the fixing frame 2 to pitch or roll; after the pitch angle or roll angle of the fixing frame 2 is adjusted, the first locking screw is tightened to assist in maintaining the pitch angle or roll angle of the fixing frame 2.

[0069] See also Figure 1 , Figure 2 and Figure 6The sway adjustment assembly 5 includes a fourth force-applying member 52, which is threadedly connected to the adjustment sleeve 11 and is located above or below the end of the rotating shaft 21. The axial direction of the threaded connection is along the up-down direction, and the rotating matching member 12 is located on the active path of the fourth force-applying member 52. By twisting the fourth force-applying member 52, the rotating matching member 12 can be caused to sway sideways, thereby driving the rotating shaft 21 to sway sideways to adjust the sway angle of the fixing frame 2; by stopping twisting the fourth force-applying member 52, the sway angle of the fixing frame 2 can be maintained.

[0070] See also Figure 6 The sway adjustment assembly 5 includes at least two fourth force applying members 52, one of which is located above the end of the rotating shaft 21, and the other is located below the end of the rotating shaft 21. The rotating shaft 21 can be swayed in one direction by twisting the fourth force applying member 52 located above the end of the rotating shaft 21, and the rotating shaft 21 can be swayed in another direction by twisting the fourth force applying member 52 located below the end of the rotating shaft 21.

[0071] Optionally, in some embodiments, the sway adjustment assembly 5 includes at least four fourth force-applying members 52, wherein two fourth force-applying members 52 are respectively located above and below the +Y end of the shaft 21, and two fourth force-applying members 52 are respectively located above and below the other end (i.e., the -Y end) of the shaft 21. The shaft 21 can be swung sideways in one direction by twisting the two fourth force-applying members 52 located above the +Y end of the shaft 21 and below the -Y end of the shaft 21, and the shaft 21 can be swung sideways in another direction by twisting the two fourth force-applying members 52 located below the +Y end of the shaft 21 and above the -Y end of the shaft 21.

[0072] It is worth mentioning that the pitch angle, yaw angle and roll angle of the fixing frame 2 are adjusted separately by the pitch adjustment component 3, the yaw adjustment component 4 and the roll adjustment component 5, and when any one of the angles is adjusted, the other two angles can remain unchanged. In other words, the adjustment of the three angles is independent of each other, there is no coupling, and there is no mutual interference.

[0073] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0074] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A grinding machine, characterized in that: include: The machine base (1) is fixedly provided with an adjustment sleeve (11) and is adjustably provided with a rotating fitting (12), wherein the adjustment sleeve (11) is sleeved on the rotating fitting (12); A fixed frame (2) fixes the workpiece to be ground, is located above the machine base (1), and has a rotating shaft (21), the rotating shaft (21) is passed through and rotatably connected to the rotating matching piece (12) to allow the fixed frame (2) to pitch; an adjustment gap (6) is left between the adjustment sleeve (11) and the rotating matching piece (12) to allow the fixed frame (2) to swing horizontally and sideways; and The pitch adjustment component (3), the yaw adjustment component (4) and the roll adjustment component (5) are all connected to the machine base (1) and are used to adjust the pitch angle, the yaw angle and the roll angle of the fixing frame (2) respectively.

2. The grinding machine according to claim 1, characterized in that The fixing frame (2) has a first end (23) and a second end (24) opposite to each other, the rotating shaft (21) is located at the first end (23), and the pitch adjustment assembly (3) drives the second end (24) to rise and fall so as to rotate the rotating shaft (21).

3. The grinding machine according to claim 2, characterized in that: The fixing frame (2) has a force-bearing member (22) arranged at the second end (24); the pitch adjustment assembly (3) comprises a wedge-shaped block (31) which gradually narrows along a first direction, a lower connecting block (32) located at the bottom, and an upper connecting block (33) located at the top; the lower connecting block (32) is connected to the machine base (1), and the upper connecting block (33) is connected to the force-bearing member (22); the wedge-shaped block (31) is sandwiched between the upper connecting block (33) and the lower connecting block (32), and can slide relative to the upper connecting block (33) and the lower connecting block (32) along the first direction to raise or lower the second end (24).

4. The grinding machine according to claim 3, characterized in that: The pitch adjustment assembly (3) further comprises a first force-applying member (34) and a force-applying matching member (35); the wedge block (31) is provided with a first avoidance hole (311); the lower connecting block (32) is provided with a first limiting hole (321); the upper connecting block (33) is provided with a second limiting hole (331); the force-applying matching member (35) passes through the first avoidance hole (311) and extends into the first limiting hole (321) and the second limiting hole (331); the first limiting hole (321) and the second limiting hole (331) are both adapted to the force-applying matching member (35); the first avoidance hole (311) extends along the first direction to allow the wedge block (31) to slide along the first direction; the first force-applying member (34) is threadedly connected to the force-applying matching member (35) and the axial direction of the threaded connection is along the first direction; the wedge block (31) is fixed to the first force-applying member (34).

5. The grinding machine according to claim 3, characterized in that: The sway adjustment assembly (5) comprises a support member (51), the support member (51) being horizontally movably connected to the upper connection block (33), the support member (51) being provided with a spherical crown-shaped fitting groove (511), the force-bearing member (22) having a spherical crown-shaped fitting portion (221) at the lower end, the lower end of the fitting portion (221) being supported by and adapted to the groove wall of the fitting groove (511).

6. The grinding machine according to claim 3, characterized in that The swing adjustment assembly (4) comprises a second force-applying member (41), the second force-applying member (41) is threadedly connected to the upper connecting block (33), the axial direction of the threaded connection is parallel to the rotating shaft (21), and the force-bearing member (22) is located on the movable path of the second force-applying member (41).

7. The grinding machine according to claim 6, characterized in that The swing adjustment assembly (4) comprises two second force-applying members (41), the two second force-applying members (41) are arranged opposite to each other, and the force-receiving member (22) is located between the two second force-applying members (41).

8. The grinding machine according to claim 1, characterized in that The fixing frame (2) has a first end (23) and a second end (24) opposite to each other, and the rotating shaft (21) is located at the first end (23); the swing adjustment assembly (4) includes a third force-applying member (42), and the third force-applying member (42) is threadedly connected to the adjustment sleeve (11), and the axial direction of the threaded connection is from the first end (23) to the second end (24), and the rotating matching member (12) is located on the movable path of the third force-applying member (42).

9. The grinding machine according to claim 1, characterized in that: The side swing adjustment assembly (5) includes a fourth force-applying member (52), which is threadedly connected to the adjustment sleeve (11) and is located above or below the end of the rotating shaft (21). The axial direction of the threaded connection is along the up and down direction, and the rotating matching member (12) is located on the movable path of the fourth force-applying member (52).

10. The grinding machine according to claim 9, characterized in that The sway adjustment assembly (5) comprises at least two fourth force applying members (52), one of which is located above the end of the rotating shaft (21), and the other is located below the end of the rotating shaft (21).

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