Ball screw nut mounting surface grinder and grinding device

Abstract

The invention relates to a ball screw nut mounting surface grinder and a grinding device. The technical problems that an existing grinding method is too complex and high in cost, and a grinder is tedious to assemble and operate are solved. Comprising a grinder body, the circumferential inner side of the grinder body is provided with a fixed channel for a lead screw to penetrate through, at least one end face of the grinder body is provided with a plurality of detachable grinding assemblies, and the grinder body is of a split structure and is formed by radially splicing two grinder half bodies; the two grinder half bodies are connected through an adjustable connecting and fixing structure which can adjust the distance between the grinder half bodies so as to adjust the size of the fixing channel. The diamond grinding wheel has the advantages that the detachable grinding assembly is adopted, the diamond grinding wheel block is installed in the installation hole through the powerful magnet, the diamond grinding wheel block is tightly attracted, meanwhile, the diamond grinding wheel block is detached through a tool when replaced, and rapid replacement is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of nut grinding equipment, and in particular relates to a ball screw nut mounting surface grinder and a grinding device. Background Art

[0002] The ball screw module is a type of linear slide module. The ball screw module is one of the most widely used automation products in the industrial equipment industry. There are many types of ball screws on the market today, which can basically meet people's needs, but there are still certain shortcomings. The traditional ball screw nut mounting surface grinding method is specially customized according to various types of screw nuts, and it is not universal for different models. It has a short service life, high cost, and cannot be repaired. At the same time, the grinder must be assembled on the machine mounting seat before use. Summary of the invention

[0003] The object of the present invention is to provide a ball screw nut mounting surface grinder in view of the above problems.

[0004] Another object of the present invention is to provide a ball screw nut mounting surface grinding device in order to solve the above-mentioned problem.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a ball screw nut mounting surface grinder, comprising a grinder body, the grinder body having a fixed channel for the screw to pass through on the inner circumferential side, the grinder body having at least one end face provided with a plurality of detachable grinding components, the grinder body being a split structure and being radially assembled from two grinder halves, the two grinder halves being connected by an adjustable connecting and fixing structure that can adjust the spacing between the grinder halves and thus adjust the size of the fixed channel. The grinder body can adjust the size of the fixed channel through the adjustable connecting and fixing structure, and the user can adjust the size of the fixed channel according to the size of the screw, thereby improving the overall practicality.

[0006] In the above-mentioned ball screw nut mounting surface grinder, the grinder body is a polygonal cylindrical structure, the two grinder halves have a plurality of outer side surfaces on the side away from each other, and the outer side surfaces are surrounded to form a polygonal structure, and an arc-shaped inner side surface corresponding to the screw rod is provided between the two grinder halves on the corresponding side. The arc-shaped inner side surface is used to clamp the screw rod.

[0007] In the above-mentioned ball screw nut mounting surface grinder, the end surfaces of both ends of the grinder body are provided with a plurality of detachable grinding components, the two grinder halves are symmetrically arranged and the corresponding end surfaces of the two grinder halves are flushly arranged, and the detachable grinding components are respectively arranged on the end surfaces of both ends of each grinder half body. This is conducive to the grinding work and ensures the flatness of the grinding.

[0008] In the above-mentioned ball screw nut mounting surface grinder, the detachable grinding assembly includes a mounting hole arranged on the end surface of the grinder half body, a strong magnet is arranged in the mounting hole, and a diamond grinding wheel block exposed from the mounting hole is arranged at the outer end of the strong magnet. The diamond grinding wheel block is fixed by the strong magnet, and when replacing, it only needs to be removed by a worker, so that it can be quickly replaced.

[0009] In the above-mentioned ball screw nut mounting surface grinder, the diamond grinding wheel blocks are circular and the diamond grinding wheel blocks on the same end surface corresponding to the two grinder halves are evenly distributed in the circumferential direction with the central axis of the screw as the center of the circle, and the diamond grinding wheel blocks on the same end surface corresponding to the two grinder halves are flush with the grinding surface away from the end of the strong magnet.

[0010] In the above-mentioned ball screw nut mounting surface grinder, the adjustable connection and fixing structure includes a locking assembly and a guide adjustment assembly arranged between the same sides corresponding to the two grinder halves.

[0011] In the above-mentioned ball screw nut mounting surface grinder, the locking assembly includes a plurality of fixing holes arranged from top to bottom on both sides of one of the two grinder halves, and both sides of the grinder halves have mounting notches connected to the fixing holes, and both sides of the remaining grinder half are respectively provided with locking holes corresponding to the fixing holes, and the fixing holes and the locking holes are respectively connected by locking bolts. The two grinder halves are fixed by the locking bolts, which is simple and convenient to operate.

[0012] In the above-mentioned ball screw nut mounting surface grinder, the guide adjustment assembly includes guide block fixing grooves arranged on both sides of one of the two grinder halves, and the remaining grinder halves are respectively provided with guide grooves corresponding to the guide block fixing grooves on both sides, and the guide block fixing grooves are provided with guide blocks slidably arranged in the guide grooves through mounting bolts. The guide blocks can ensure that the two grinder halves are completely assembled and avoid the phenomenon of fixed misalignment, which affects normal use.

[0013] A ball screw nut mounting surface grinding device, the device includes a screw nut mounting seat, a screw assembly is arranged in the screw nut mounting seat, the screw assembly includes a screw rotatably arranged in the screw nut mounting seat, a screw nut is sleeved on the screw and an end face of one end of the screw nut has a screw nut mounting surface, a screw nut mounting surface to be ground corresponding to the screw nut mounting surface is provided in the screw nut mounting seat, a grinder body is detachably sleeved and fixed on the screw, and each detachable grinding component at one end of the grinder body corresponds to the screw nut mounting surface to be ground.

[0014] In the above-mentioned ball screw nut mounting surface grinding device, the two ends of the screw are rotatably arranged in the screw nut mounting seat through mounting bearings, and a grinding rotating crank handle connected to one end of the screw is provided on the outside of the screw nut mounting seat.

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] 1. The device adopts a detachable grinding assembly, and the diamond grinding wheel block is installed in the installation hole through a strong magnet, so that the diamond grinding wheel block is sucked tightly. At the same time, the diamond grinding wheel block can be disassembled with tools when replacing it, realizing quick replacement.

[0017] 2. The design structure of the grinder body of the device allows grinding wheel blocks of different specifications to be installed at both ends of the grinder body, which can realize the two-step process of roughing and fine grinding with higher precision.

[0018] 3. The grinder body of the device is connected to a fixed structure in an adjustable manner, and the fixed channel range of the grinder body can be freely adjusted. Users can adjust it according to their needs, thereby improving the overall practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the grinder main body in the present invention.

[0021] Figure 3 It is a structural explosion diagram of the grinder body in the present invention.

[0022] Figure 4 It is a structural schematic diagram of the grinder half body in the present invention.

[0023] Figure 5 It is a structural schematic diagram of another grinder half in the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of the present invention when in use.

[0025] Figure 7 It is a structural sectional view of the present invention when in use.

[0026] In the figure: grinder body 1, screw 11, grinder half body 12, outer side surface 13, arc-shaped inner side surface 14, fixing channel 15, detachable grinding component 2, mounting hole 21, strong magnet 22, diamond grinding wheel block 23, grinding surface 24, adjustable connecting fixing structure 3, locking component 31, guide adjustment component 32, fixing hole 33, mounting notch 34, locking hole 35, locking bolt 36, guide block fixing groove 37, guide groove 38, mounting bolt 39, guide block 40, screw nut mounting seat 4, screw assembly 41, screw nut 42, screw nut mounting surface 43, screw nut mounting surface to be ground 44, mounting bearing 45, grinding rotating crank handle 46. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] like Figure 1-5 As shown, a ball screw nut mounting surface grinder includes a grinder body 1, the grinder body 1 has a fixed channel 15 for the screw 11 to pass through on the inner side in the circumferential direction, and at least one end surface of the grinder body 1 is provided with a plurality of detachable grinding components 2. The grinder body 1 is a split structure and is composed of two grinder halves 12 radially spliced ​​together. The two grinder halves 12 are connected by an adjustable connecting and fixing structure 3 that can adjust the spacing between the grinder halves 12 and thus adjust the size of the fixed channel 15. The grinder body 1 can adjust the size of the fixed channel 15 through the adjustable connecting and fixing structure 3, and the user can adjust the size of the fixed channel 15 according to the size of the screw 11, thereby improving the overall practicality.

[0029] like Figure 1 As shown, the grinder body 1 is a polygonal cylindrical structure, and the two grinder halves 12 have a plurality of outer side surfaces 13 on the sides away from each other, and the outer side surfaces 13 are surrounded to form a polygonal structure, and an arcuate inner side surface 14 corresponding to the screw rod 11 is provided between the two corresponding sides of the grinder halves 12. The arcuate inner side surface 14 is used to clamp the screw rod 11.

[0030] Combination Figure 3 , Figure 4 and Figure 5 As shown, both end surfaces of the grinder body 1 are provided with a plurality of detachable grinding components 2, the two grinder halves 12 are symmetrically arranged and the corresponding end surfaces of the two grinder halves 12 are arranged flush, and the detachable grinding components 2 are respectively arranged on the end surfaces of both ends of each grinder half body 12. This is conducive to the grinding work and ensures the flatness of the grinding.

[0031] The detachable grinding assembly 2 includes a mounting hole 21 disposed on the end surface of the grinder half body 12, a strong magnet 22 is disposed in the mounting hole 21, and a diamond grinding wheel block 23 is disposed at the outer end of the strong magnet 22 and exposed from the mounting hole 21. The diamond grinding wheel block 23 is fixed by the strong magnet 22, and when replacing, it only needs to be removed by a worker, so that quick replacement can be achieved.

[0032] like Figure 1 As shown, the diamond grinding wheel segments 23 are circular and the diamond grinding wheel segments 23 on the same end faces corresponding to the two grinder halves 12 are evenly distributed circumferentially with the central axis of the screw 11 as the center, and the diamond grinding wheel segments 23 on the same end faces corresponding to the two grinder halves 12 are flush with the grinding surface 24 at one end away from the strong magnet 22.

[0033] Combination Figure 1 , Figure 2 and Figure 3 As shown, the adjustable connection and fixing structure 3 includes a locking assembly 31 and a guide adjustment assembly 32 which are arranged between the two grinder half bodies 12 corresponding to the same side.

[0034] The locking assembly 31 includes a plurality of fixing holes 33 arranged from top to bottom on both sides of one of the two grinder halves 12, and the grinder halves 12 have mounting notches 34 on both sides that are connected to the fixing holes 33, and the remaining grinder half 12 has locking holes 35 on both sides that correspond to the fixing holes 33, and the fixing holes 33 and the locking holes 35 are connected by locking bolts 36. The two grinder halves 12 are fixed by the locking bolts 36, and the operation is simple and convenient.

[0035] Specifically, the guide adjustment assembly 32 includes guide block fixing grooves 37 provided on both sides of one of the two grinder half bodies 12, and guide grooves 38 corresponding to the guide block fixing grooves 37 are provided on both sides of the remaining grinder half body 12, and guide blocks 40 slidably provided in the guide grooves 38 are provided in the guide block fixing grooves 37 through mounting bolts 39. The guide blocks 40 can ensure that the two grinder half bodies 12 are completely assembled and avoid the phenomenon of fixing misalignment, which affects normal use.

[0036] Combination Figure 6 and Figure 7As shown, a ball screw nut mounting surface grinding device, the device includes a screw nut mounting seat 4, a screw assembly 41 is arranged in the screw nut mounting seat 4, the screw assembly 41 includes a screw 11 rotatably arranged in the screw nut mounting seat 4, a screw nut 42 is sleeved on the screw 11, and an end surface of the screw nut 42 has a screw nut mounting surface 43, a screw nut mounting surface 44 to be ground corresponding to the screw nut mounting surface 43 is provided in the screw nut mounting seat 4, a grinder body 1 is detachably sleeved and fixed on the screw 11, and each detachable grinding component 2 at one end of the grinder body 1 corresponds to the screw nut mounting surface 44 to be ground.

[0037] The two ends of the screw rod 11 are rotatably arranged in the screw rod nut mounting seat 4 through mounting bearings 45 , and a grinding rotating crank handle 46 connected to one end of the screw rod 11 is arranged on the outer side of the screw rod nut mounting seat 4 .

[0038] The principle of this embodiment is:

[0039] The grinder body 1 is sleeved on the outside of the screw rod 11 through the fixed channel 15, and then the range of the fixed channel 15 is adjusted through the adjustable connection fixing structure 3, so that the grinder body 1 is completely fitted with the screw rod 11. After the installation is completed, the grinding rotating crank handle 46 is started to rotate, and then the diamond grinding wheel block 23 on the grinder body 1 contacts the screw rod nut mounting surface 44 to be ground, and then the grinding process is completed. The overall structure is simple and the operation is convenient.

[0040] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0041] Although the present invention uses the terms such as grinder body 1, screw 11, grinder half body 12, outer side surface 13, arc inner side surface 14, fixing channel 15, detachable grinding assembly 2, mounting hole 21, strong magnet 22, diamond grinding wheel block 23, grinding surface 24, adjustable connection fixing structure 3, locking assembly 31, guide adjustment assembly 32, fixing hole 33, mounting notch 34, locking hole 35, locking bolt 36, guide block fixing groove 37, guide groove 38, mounting bolt 39, guide block 40, screw nut mounting seat 4, screw assembly 41, screw nut 42, screw nut mounting surface 43, screw nut mounting surface to be ground 44, mounting bearing 45, grinding rotating crank handle 46, etc., the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A ball screw nut mounting surface grinder, comprising a grinder body (1), characterized in that: The grinder body (1) has a fixed channel (15) on the inner side in the circumferential direction for the screw rod (11) to pass through. At least one end surface of the grinder body (1) is provided with a plurality of detachable grinding components (2). The grinder body (1) is a split structure and is composed of two grinder halves (12) radially assembled. The two grinder halves (12) are connected by an adjustable connecting and fixing structure (3) that can adjust the distance between the grinder halves (12) and thus adjust the size of the fixed channel (15).

2. A ball screw nut mounting surface grinder according to claim 1, characterized in that: The grinder body (1) is a polygonal cylindrical structure, and the two grinder halves (12) have a plurality of outer side surfaces (13) on the sides away from each other, and the outer side surfaces (13) are combined to form a polygonal structure, and an arc-shaped inner side surface (14) corresponding to the screw rod (11) is provided between the corresponding sides of the two grinder halves (12).

3. A ball screw nut mounting surface grinder according to claim 1, characterized in that: The end surfaces of both ends of the grinder body (1) are provided with a plurality of detachable grinding components (2), the two grinder halves (12) are symmetrically arranged and the corresponding end surfaces of the two grinder halves (12) are arranged flush, and the detachable grinding components (2) are respectively arranged on the end surfaces of both ends of each grinder half (12).

4. A ball screw nut mounting surface grinder according to claim 1, 2 or 3, characterized in that: The detachable grinding assembly (2) comprises a mounting hole (21) arranged on the end surface of the grinder half body (12), a strong magnet (22) is arranged in the mounting hole (21), and a diamond grinding wheel block (23) exposed from the mounting hole (21) is arranged at the outer end of the strong magnet (22).

5. A ball screw nut mounting surface grinder according to claim 4, characterized in that: The diamond grinding wheel blocks (23) are circular and the diamond grinding wheel blocks (23) on the same end surface of the two grinder halves (12) are evenly distributed in the circumferential direction with the central axis of the screw rod (11) as the center of the circle. The grinding surfaces (24) of the diamond grinding wheel blocks (23) on the same end surface of the two grinder halves (12) are flush with each other and are away from the powerful magnet (22).

6. A ball screw nut mounting surface grinder according to claim 4, characterized in that: The adjustable connection and fixing structure (3) comprises a locking assembly (31) and a guide adjustment assembly (32) arranged between the corresponding same sides of the two grinder halves (12).

7. A ball screw nut mounting surface grinder according to claim 6, characterized in that: The locking assembly (31) comprises a plurality of fixing holes (33) arranged from top to bottom on both sides of one of the two grinder half bodies (12), and both sides of the grinder half body (12) have mounting notches (34) connected to the fixing holes (33), and both sides of the remaining grinder half body (12) are respectively provided with locking holes (35) corresponding to the fixing holes (33), and the fixing holes (33) and the locking holes (35) are respectively connected by locking bolts (36).

8. A ball screw nut mounting surface grinder according to claim 6, characterized in that: The guide adjustment assembly (32) comprises guide block fixing grooves (37) arranged on both sides of one of the two grinder half bodies (12), and guide grooves (38) corresponding to the guide block fixing grooves (37) are respectively arranged on both sides of the remaining grinder half body (12), and a guide block (40) slidably arranged in the guide groove (38) is arranged in the guide block fixing groove (37) via a mounting bolt (39).

9. A ball screw nut mounting surface grinding device, using a ball screw nut mounting surface grinder according to any one of claims 1 to 8, characterized in that: The device comprises a screw nut mounting seat (4), wherein a screw assembly (41) is arranged in the screw nut mounting seat (4), wherein the screw assembly (41) comprises a screw (11) rotatably arranged in the screw nut mounting seat (4), wherein a screw nut (42) is sleeved on the screw (11), and an end surface of the screw nut (42) has a screw nut mounting surface (43), and a screw nut mounting surface (44) to be ground corresponding to the screw nut mounting surface (43) is provided in the screw nut mounting seat (4), and a grinder body (1) is detachably sleeved and fixed on the screw (11), and each detachable grinding component (2) at one end of the grinder body (1) corresponds to the screw nut mounting surface (44) to be ground.

10. A ball screw nut mounting surface grinding device according to claim 9, characterized in that: The two ends of the screw rod (11) are rotatably arranged in the screw rod nut mounting seat (4) through mounting bearings (45), and a grinding rotating crank handle (46) connected to one end of the screw rod (11) is arranged outside the screw rod nut mounting seat (4).

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