CN215470030U

CN215470030U - Grinding machine for machining ultra-long linear guide rail

Info

Publication number: CN215470030U
Application number: CN202121802936.8U
Authority: CN
Inventors: 尹永江
Original assignee: Suzhou Shangenge Technology Co ltd
Current assignee: Suzhou Shangenge Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-11
Anticipated expiration: 2031-08-04

Abstract

A grinding machine for machining an ultralong linear guide rail comprises a rack, a movable portal frame, a grinding structure and a fixed structure, wherein the movable portal frame is arranged on the rack; the fixing structure comprises a placing table and clamp structures, wherein the clamp structures are provided with a plurality of groups and are placed on the placing table at equal intervals. The linear guide rail to be polished is placed on the placing table of the fixed structure and is fixed through the clamp structure, and the polishing structure is driven by the movable portal frame to polish the surface of the linear guide rail.

Description

Grinding machine for machining ultra-long linear guide rail

Technical Field

The utility model relates to the field of guide rail production, in particular to a grinding machine for machining an ultra-long linear guide rail.

Background

The linear guide rail is also called a linear rail, a slide rail, a linear guide rail and a linear slide rail, is used for high-precision or high-speed linear reciprocating motion occasions, can bear certain torque, and can realize high-precision linear motion under the condition of high load.

Because the precision of the linear guide rail is higher, the surface and two side surfaces of the linear guide rail need to be polished, and the current guide rail processing grinding machine has the following defects: the guide rail is fixed by generally using a fixing hole on the guide rail to be directly fixed on a grinding machine, and the deformation of the guide rail is caused due to the deviation of locking force used by bolts at different positions, so that the polishing quantity of the upper surface of the whole guide rail is not uniform, and the yield of the guide rail is influenced; in addition, a gap exists between a fixing hole in the guide rail and a stud of the bolt, so that the straightness of the whole guide rail is poor, and the grinding precision of the side edge is affected.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a grinding machine for processing an ultra-long linear guide rail, which solves the problems existing in the processing of a linear guide rail grinding machine.

The technical scheme is as follows: the utility model provides a grinding machine for processing an ultralong linear guide rail, which comprises a rack, a movable portal frame, a grinding structure and a fixed structure, wherein the movable portal frame is arranged on the rack; the fixing structure comprises a placing table and clamp structures, wherein the clamp structures are provided with a plurality of groups and are placed on the placing table at equal intervals. The linear guide rail to be polished is placed on the placing table of the fixed structure and is fixed through the clamp structure, and the polishing structure is driven by the movable portal frame to polish the surface of the linear guide rail.

Further, the placing table is provided with fixture structure mounting positions arranged at equal intervals, two groups of thread fixing holes and first positioning holes are arranged in parallel on one side of the placing table, a first dovetail groove, a second dovetail groove and a groove are arranged on the opposite side of the placing table, and the first dovetail groove and the second dovetail groove are arranged on two sides of the groove in parallel.

Furthermore, the clamp structure comprises a limiting block and a pressing structure, and the limiting block and the pressing structure are arranged oppositely. The limiting block plays a limiting role on the side edge of the linear guide rail and then is fixed through the pressing structure.

Furthermore, a semicircular boss is arranged on the limiting block; and two groups of fixing holes and second positioning holes are formed in the limiting block. The semicircular lug bosses are arranged, so that the contact surface with the linear guide rail is reduced, and the pressing force of the pressing structure is improved; when the limiting block is installed, the second positioning hole on the limiting block and the first positioning hole on the placing table are positioned through the cylindrical pin, then the bolt is placed in the fixing hole, and the limiting block is locked in the fixing threaded hole of the placing table.

Furthermore, the compressing structure comprises an air cylinder, a moving block, a first dovetail guide rail, a second dovetail guide rail and a compressing assembly, the plunger end of the air cylinder is connected with the middle position of the side of the moving block, the first dovetail guide rail and the second dovetail guide rail are arranged below the moving block in parallel, and the compressing assembly is arranged on the other side, far away from the air cylinder, of the moving block. The cylinder drives the moving block to move towards the direction of the limiting block along the first dovetail groove and the second dovetail groove through the first dovetail guide rail and the second dovetail guide rail, and the pressing assembly presses the side edge of the linear guide rail tightly.

Furthermore, a first round hole and a second round hole are formed in the position where the moving block is installed on the pressing assembly, the first round hole and the second round hole are sequentially connected, and the aperture of the first round hole is larger than that of the second round hole.

Furthermore, the compressing assembly comprises a compressing plate, a first compressing guide structure and a second compressing guide structure, and the first compressing guide structure and the second compressing guide structure are arranged on the compressing plate in parallel.

Furthermore, the first pressing guide structure and the second pressing guide structure are the same in structure, the first pressing guide structure comprises a guide rod, a pressing spring and a limiting head, the pressing spring is arranged on the guide rod, and the limiting head is arranged at the other end, far away from the pressing plate, of the guide rod. The guide rods of the first compression guide structure and the second compression guide structure move back and forth along the second round hole, the compression spring is arranged in the first round hole, and the compression force of the compression structure on the linear guide rail is increased.

The technical scheme shows that the utility model has the following beneficial effects: 1) the fixing structure is arranged, and the linear guide rail is fixed at a position with low precision requirement at the lower side edge, so that the operation is convenient, the fixing speed is improved, the deformation phenomenon of the linear guide rail caused by the original fixing mode is avoided, and the polishing quality is improved; 2) the clamp structures are arranged, so that the clamp is suitable for fixing linear guide rails with different lengths, and in addition, the compression structure can move under the driving of the air cylinder, so that the clamp is suitable for fixing linear guide rails with different widths, and has wide applicability.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the fixation structure;

FIG. 3 is a partial perspective view of the placement table;

FIG. 4 is a perspective view of a stop block;

FIG. 5 is a perspective view of a hold-down structure;

FIG. 6 is a perspective view of the moving block;

figure 7 is a top view of the hold down assembly.

In the figure: the device comprises a rack 1, a movable portal frame 2, a grinding structure 3, a fixing structure 4, a placing table 41, a threaded fixing hole 411, a first positioning hole 412, a clamp structure 42, a limiting block 421, a semicircular boss 4211, a fixing hole 4212, a second positioning hole 4213, a pressing structure 422, a cylinder 4221, a moving block 4222, a first round hole 42221, a second round hole 42222, a first dovetail guide rail 4223, a second dovetail guide rail 4224, a pressing assembly 4225, a pressing plate 42251, a first pressing guide structure 42252, a guide rod 422521, a pressing spring 422522, a limiting head 422523 and a second pressing guide structure 42253.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

As shown in fig. 1, the three-dimensional polishing machine comprises a frame 1, a movable portal frame 2, a polishing structure 3 and a fixing structure 4, wherein the movable portal frame 2 is arranged on the frame 1, the polishing structure 3 is arranged on the movable portal frame 2, and the fixing structure 4 is arranged on the frame 1 and is positioned below the polishing structure 3; fig. 2 is a perspective view of the fixing structure 4, which includes a placing table 41 and a plurality of clamp structures 42, wherein the clamp structures 42 are arranged on the placing table 41 in groups at equal intervals.

As shown in fig. 3, a partial perspective view of the placing table 41 is provided, wherein fixture structure mounting positions are arranged at equal intervals, two sets of screw fixing holes 411 and first positioning holes 412 are arranged in parallel on one side of the placing table, a first dovetail groove 413, a second dovetail groove 414 and a groove 415 are arranged on the opposite side of the placing table, and the first dovetail groove 413 and the second dovetail groove 414 are arranged in parallel on two sides of the groove 415.

The clamp structure 42 includes a limiting block 421 and a pressing structure 422, and the limiting block 421 and the pressing structure 422 are disposed oppositely.

As shown in fig. 4, a perspective view of the limiting block 421 is provided with a semicircular boss 4211; two groups of fixing holes 4212 and second positioning holes 4213 are arranged on the limiting block 421.

As shown in fig. 5, the pressing structure 422 is a perspective view, and includes a cylinder 4221, a moving block 4222, a first dovetail rail 4223, a second dovetail rail 4224, and a pressing assembly 4225, a plunger end of the cylinder 4221 is connected with a middle position of the moving block 4222, the first dovetail rail 4223 and the second dovetail rail 4224 are arranged below the moving block 4222 in parallel, and the pressing assembly 4225 is provided with a pressing assembly 4225

As shown in fig. 6, the moving block 4222 is a perspective view, a first circular hole 42221 and a second circular hole 42222 are arranged at positions where the pressing component 4225 is installed, the first circular hole 42221 and the second circular hole 42222 are sequentially connected, and the aperture of the first circular hole 42221 is larger than that of the second circular hole 42222.

Fig. 7 is a top view of the pressing assembly 4225, which includes a pressing plate 42251, a first pressing guide 42252, and a second pressing guide 42253, wherein the first pressing guide 42252 and the second pressing guide 42253 are juxtaposed on the pressing plate 42251.

The first pressing guide structure 42252 and the second pressing guide structure 42253 are identical in structure, the first pressing guide structure 42252 comprises a guide rod 422521, a pressing spring 422522 and a limiting head 422523, the pressing spring 422522 is arranged on the guide rod 422521, and the limiting head 422523 is arranged at the other end, far away from the pressing plate 42251, of the guide rod 422521.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a grinder is used in processing of overlength linear guide which characterized in that: the grinding machine comprises a rack (1), a movable portal frame (2), a grinding structure (3) and a fixed structure (4), wherein the movable portal frame (2) is arranged on the rack (1), the grinding structure (3) is arranged on the movable portal frame (2), and the fixed structure (4) is arranged on the rack (1) and is positioned below the grinding structure (3); the fixing structure (4) comprises a placing table (41) and clamp structures (42), wherein the clamp structures (42) are arranged in a plurality of groups and are placed on the placing table (41) at equal intervals.

2. The grinding machine for machining an ultralong linear guide rail according to claim 1, characterized in that: the placing table (41) is provided with fixture structure mounting positions arranged at equal intervals, two groups of thread fixing holes (411) and first positioning holes (412) which are arranged in parallel are arranged on one side of the placing table, a first dovetail groove (413), a second dovetail groove (414) and a groove (415) are arranged on the opposite side of the placing table, and the first dovetail groove (413) and the second dovetail groove (414) are arranged on two sides of the groove (415) in parallel.

3. The grinding machine for machining an ultralong linear guide rail according to claim 1, characterized in that: the clamp structure (42) comprises a limiting block (421) and a pressing structure (422), and the limiting block (421) and the pressing structure (422) are arranged oppositely.

4. The grinding machine for machining an ultralong linear guide rail according to claim 3, characterized in that: a semicircular boss (4211) is arranged on the limiting block (421); two groups of fixing holes (4212) and a second positioning hole (4213) are arranged on the limiting block (421).

5. The grinding machine for machining an ultralong linear guide rail according to claim 3, characterized in that: the pressing structure (422) comprises a cylinder (4221), a moving block (4222), a first dovetail guide rail (4223), a second dovetail guide rail (4224) and a pressing assembly (4225), the plunger end of the cylinder (4221) is connected with the middle position of the moving block (4222), the first dovetail guide rail (4223) and the second dovetail guide rail (4224) are arranged below the moving block (4222) in parallel, and the pressing assembly (4225) is arranged on the other side, far away from the cylinder (4221), of the moving block (4222).

6. The grinding machine for machining an ultralong linear guide rail according to claim 5, characterized in that: a first round hole (42221) and a second round hole (42222) are formed in the position, where the moving block (4222) is installed on the pressing component (4225), the first round hole (42221) and the second round hole (42222) are sequentially connected, and the aperture of the first round hole (42221) is larger than that of the second round hole (42222).

7. The grinding machine for machining an ultralong linear guide rail according to claim 5, characterized in that: the pressing assembly (4225) comprises a pressing plate (42251), a first pressing guide structure (42252) and a second pressing guide structure (42253), wherein the first pressing guide structure (42252) and the second pressing guide structure (42253) are arranged on the pressing plate (42251) in parallel.

8. The grinding machine for machining an ultralong linear guide rail according to claim 7, characterized in that: the first pressing guide structure (42252) and the second pressing guide structure (42253) are identical in structure, the first pressing guide structure (42252) comprises a guide rod (422521), a pressing spring (422522) and a limiting head (422523), the pressing spring (422522) is arranged on the guide rod (422521), and the limiting head (422523) is arranged at the other end, far away from the pressing plate (42251), of the guide rod (422521).