Large shaft sleeve fastening flat tongs for milling machine machining

Abstract

The large shaft sleeve fastening flat tongs for milling machine machining comprise a milling machine workbench and a mounting table, the mounting table is fixedly connected to the upper portion of the milling machine workbench, a plurality of mounting grooves are formed in the upper portion of the mounting table, a flat tongs seat body is arranged in the middle of the upper portion of the mounting table, and the flat tongs seat body is fixedly connected with the mounting table. A fixed jaw seat is fixedly connected to one end of the upper portion of the flat tongs seat body, a sliding groove is formed in the middle of the flat tongs seat body, a sliding jaw seat is slidably connected to the upper portion of the flat tongs seat body through the sliding groove, and clamping plates are fixedly connected to one end of the outer side of the flat tongs seat body and one end of the outer side of the sliding jaw seat. According to the utility model, aiming at the characteristics of a semicircular workpiece of a large shaft sleeve, the clamping blocks fixed on the inner sides of the fixed jaw seat and the sliding jaw seat are replaced by the clamping plates with larger areas, and the clamping plates are arranged on the outer sides of the fixed jaw seat and the sliding jaw seat; and the stroke specification equivalent to the total length of the fixed jaw seat and the sliding jaw seat can be directly expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to axle sleeve processing technical field, especially large -scale axle sleeve fastening flat mouthed forceps for milling machine processing. BACKGROUND

[0002] The axle sleeve belongs to a kind of sliding bearing. It is mainly used in mechanical transmission, and the rotation of shaft is supported by reducing friction. Axle sleeve usually needs auxiliary lubrication system to ensure its smooth operation, and is often used in light load and needs to be frequently disassembled. The structure of axle sleeve is integral, relative motion occurs between shaft and axle sleeve when rotating, it relies on sliding friction, and usually needs auxiliary lubrication system to ensure smooth operation, and is widely used in machinery, printing and dyeing, papermaking, chemical industry, aerospace, coal, petroleum, automobile, engineering machinery, metallurgy and other industries.

[0003] In the production and processing process of axle sleeve, most of them are processed by lathe, but sometimes some large-diameter specification axle sleeve accessories are processed according to the needs of customers, and in the processing process of axle sleeve, since processing is needed on the inner wall, small specification axle sleeve can be directly processed by lathe, but large specification workpiece is too long to exceed the processing range of lathe equipment, so the workpiece needs to be split longitudinally, and then milled by milling machine. Since half-round workpiece needs to be split and the inner concave surface to be processed is placed upward, it cannot be fixed by chuck, preferably by flat mouthed forceps, but the existing flat mouthed forceps is not enough in stroke specification, cannot meet the requirements of fixed clamping, and has further improvement space. UTILITY MODEL CONTENTS

[0004] The utility model is aimed at at least solving one of the technical problems existing in the prior art, and provides a large axle sleeve fastening flat mouthed forceps for milling machine processing, which solves the above problems.

[0005] To achieve the above object, a large axle sleeve fastening flat mouthed forceps for milling machine processing is provided, which comprises a milling machine workbench and a mounting table, the upper side of the milling machine workbench is fixedly connected with the mounting table, a plurality of mounting grooves are formed in the upper side of the mounting table, a flat mouthed forceps seat body is arranged in the upper middle part of the mounting table, a mounting seat is arranged at the bottom edge of the flat mouthed forceps seat body, fixed screws are arranged in the middle part of the two sides of the mounting seat, a fixed jaw seat is fixedly connected with one end of the upper side of the flat mouthed forceps seat body, a sliding groove is formed in the middle part of the flat mouthed forceps seat body, a sliding jaw seat is slidably connected with the upper side of the flat mouthed forceps seat body through the sliding groove, a bearing seat is fixedly connected with the end of the sliding groove away from the fixed jaw seat, a fastening lead screw is rotatably connected with the inside of the sliding groove through the bearing seat, and a lead screw nut is fixedly connected with the middle part of the lower side of the sliding jaw seat.

[0006] The outer side of the fixed jaw seat and the sliding jaw seat is fixedly connected with a clamping plate, fastening grooves are formed in the upper sides of the two clamping plates, fastening screws are arranged on the upper sides of the two clamping plates through the fastening grooves, and fastening nuts are threadedly connected to the two ends of the fastening screws.

[0007] According to the large shaft sleeve fastening flat tongs for milling machine processing, the two sides of the mounting seat are fixedly connected with corresponding mounting grooves through fixing screws.

[0008] According to the large shaft sleeve fastening flat tongs for milling machine processing, the fastening screw passes through the screw nut and is threadedly connected with the screw nut.

[0009] According to the large shaft sleeve fastening flat tongs for milling machine processing, the end, away from the fixed jaw seat, of the fastening screw is fixedly connected with a hexagonal shaft through the bearing seat.

[0010] According to the large shaft sleeve fastening flat tongs for milling machine processing, the ends of the two fastening screws are arranged on the outer sides of the two clamping plates.

[0011] According to the large shaft sleeve fastening flat tongs for milling machine processing, the end, away from the bearing seat, of the fastening screw is rotatably connected with the flat tongs seat body.

[0012] The above-mentioned scheme has at least one of the following beneficial effects:

[0013] 1. Compared with the prior art, according to the characteristics of the semicircular workpiece of the large shaft sleeve, the clamping block fixedly arranged on the inner sides of the fixed jaw seat and the sliding jaw seat is replaced by a clamping plate with a larger area, and the clamping plate is arranged on the outer sides of the fixed jaw seat and the sliding jaw seat, so that the stroke specification corresponding to the total length of the fixed jaw seat and the sliding jaw seat can be directly expanded, the existing flat tongs only needs to be simply modified, the clamping condition of the semicircular workpiece can be met, and the practicability of the device is improved.

[0014] 2. The clamping plate is provided with fastening grooves and corresponding fastening screws on the upper sides of the two sides, and is further provided with fastening nuts, so that three-point fastening is formed on the basis of fastening of the sliding jaw seat, the area of the clamping plate is prevented from being too large to affect the fixing work of the workpiece due to deformation of the upper side during clamping, and the practicability of the device is improved.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and embodiments.

[0017] Figure 1 Figure 1 is a front perspective view of a large shaft sleeve fastening flat mouth tongs for milling machine processing according to the present application;

[0018] Figure 2 Figure 2 is a back perspective view of a large shaft sleeve fastening flat mouth tongs for milling machine processing according to the present application;

[0019] Figure 3 Figure 3 is a side view of a large shaft sleeve fastening flat mouth tongs for milling machine processing according to the present application;

[0020] Figure 4 Figure 4 is a schematic view of a workpiece clamping structure according to the present application.

[0021] Legend:

[0022] 1, milling machine workbench; 2, mounting table; 3, mounting groove; 4, flat mouth tongs seat body; 5, mounting seat; 6, fixing screw; 7, fixed jaw seat; 8, sliding groove; 9, sliding jaw seat; 10, fastening screw; 11, bearing seat; 12, hex shaft; 13, screw nut; 14, fastening groove; 15, fastening screw; 16, fastening nut; 17, clamping plate. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.

[0024] Reference Figures 1-4The utility model discloses a large -scale axle sleeve fastening flat mouthed forceps for milling machine processing, including milling machine workstation 1 and installation platform 2, the top fixed connection of milling machine workstation 1 has installation platform 2, the top of installation platform 2 is set with a plurality of installation groove 3, the top middle part of installation platform 2 is provided with flat mouthed forceps seat body 4, the bottom edge of flat mouthed forceps seat body 4 is provided with mounting seat 5, the middle part of both sides of mounting seat 5 is provided with fixed screw 6, both sides of mounting seat 5 are fixedly connected with the corresponding installation groove 3 through fixed screw 6, the top one end of flat mouthed forceps seat body 4 is fixedly connected with fixed mouthed forceps seat 7, the middle part of flat mouthed forceps seat body 4 is set with sliding slot 8, the top of flat mouthed forceps seat body 4 is slidably connected with sliding mouthed forceps seat 9 through sliding slot 8, the end away from fixed mouthed forceps seat 7 in the inside of sliding slot 8 is fixedly connected with bearing seat 11, the inside of sliding slot 8 is rotatably connected with fastening lead screw 10 through bearing seat 11, the end away from bearing seat 11 of fastening lead screw 10 is rotatably connected with the seat body of flat mouthed forceps seat body 4, the middle part below sliding mouthed forceps seat 9 is fixedly connected with lead screw nut 13, fastening lead screw 10 passes through lead screw nut 13 and is threadedly matched with lead screw nut 13, the end away from fixed mouthed forceps seat 7 of fastening lead screw 10 is fixedly connected with hexagonal shaft 12 through bearing seat 11, can drive fastening lead screw 10 through hexagonal wrench, the utility model can be directed to the characteristics of the semicircle workpiece of large -scale axle sleeve, by the clamping block fixed in the inside of fixed mouthed forceps seat 7 and sliding mouthed forceps seat 9 is replaced into the clamping plate 17 of larger area, and the clamping plate 17 is set at the outside of fixed mouthed forceps seat 7 and sliding mouthed forceps seat 9, can directly expand the stroke specification equivalent to the total length of fixed mouthed forceps seat 7 and sliding mouthed forceps seat 9, just need to carry out simple modification to existing flat mouthed forceps, can satisfy the clamping condition of semicircle workpiece;

[0025] The outside one end of flat mouthed forceps seat body 4 and sliding mouthed forceps seat 9 is fixedly connected with clamping plate 17, the top of both sides of two clamping plates 17 is set with fastening groove 14, the top of both sides of two clamping plates 17 is provided with fastening screw 15 through fastening groove 14, the both ends of two fastening screws 15 are threadedly connected with fastening nut 16, the both ends fastening nut 16 of two fastening screws 15 are set at the outside of two clamping plates 17, by the fastening groove 14 and the corresponding fastening screw 15 set on the top of clamping plate 17 both sides, then cooperate with the fastening nut 16 of fastening screw 15 both ends, can be fastened on the basis of sliding mouthed forceps seat 9, then add two fastening points, form three point fastening, prevent the area of clamping plate 17 from being too large to cause the fixed work of workpiece to be influenced when clamping due to the deformation on the top.

[0026] Working Principle: When using this utility model, it can address the characteristics of semi-circular workpieces with large bushings by replacing the clamping blocks fixed inside the fixed jaw seat 7 and the sliding jaw seat 9 with a larger clamping plate 17. The clamping plate 17 is then placed outside the fixed jaw seat 7 and the sliding jaw seat 9, which directly expands the stroke specification equivalent to the total length of the fixed jaw seat 7 and the sliding jaw seat 9. Furthermore, by using the fastening grooves 14 and corresponding fastening screws 15 on both sides above the clamping plate 17, along with the fastening nuts 16 at both ends of the fastening screws 15, two additional fastening points can be added to the fastening of the sliding jaw seat 9, forming a three-point fastening. This prevents the clamping plate 17 from being too large, which could cause deformation at the top during clamping and affect the fixation of the workpiece.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A large shaft sleeve fastening flat mouth tongs for milling machine processing, comprising a milling machine workbench (1) and a mounting table (2), characterized in that: The upper fixed connection of the milling machine worktable (1) has an installation platform (2), the upper part of the installation platform (2) is provided with a plurality of installation grooves (3), the upper middle part of the installation platform (2) is provided with a flat tongs seat body (4), the bottom edge of the flat tongs seat body (4) is provided with a mounting seat (5), the middle part of the two sides of the mounting seat (5) is provided with a fixed screw (6), the upper end of the flat tongs seat body (4) is fixedly connected with a fixed jaw seat (7), the middle part of the flat tongs seat body (4) is provided with a sliding groove (8), the upper part of the flat tongs seat body (4) is slidably connected with a sliding jaw seat (9) through the sliding groove (8), the inner end of the sliding groove (8) away from the fixed jaw seat (7) is fixedly connected with a bearing seat (11), the inner part of the sliding groove (8) is rotatably connected with a fastening lead screw (10) through the bearing seat (11), the lower middle part of the sliding jaw seat (9) is fixedly connected with a lead screw nut (13). The outer end of the flat tongs seat body (4) and the sliding jaw seat (9) is fixedly connected with a clamping plate (17), the upper part of the two sides of the two clamping plates (17) is provided with a fastening groove (14), the upper part of the two sides of the two clamping plates (17) is provided with a fastening screw (15) through the fastening groove (14), the two ends of the two fastening screws (15) are threadedly connected with a fastening nut (16).

2. The large shaft sleeve fastening flat tongs for milling machine processing according to claim 1, characterized in that, The two sides of the mounting seat (5) are fixedly connected with the corresponding installation grooves (3) through the fixed screws (6).

3. The large shaft sleeve fastening flat tongs for milling machine processing according to claim 1, characterized in that, The fastening lead screw (10) passes through the lead screw nut (13) and is in threaded cooperation with the lead screw nut (13).

4. The large shaft sleeve fastening flat tongs for milling machine processing according to claim 1, characterized in that, The end of the fastening lead screw (10) away from the fixed jaw seat (7) is fixedly connected with a hexagonal shaft (12) through the bearing seat (11).

5. The large shaft sleeve fastening flat tongs for milling machine processing according to claim 1, characterized in that, The two ends of the two fastening screws (15) are provided with fastening nuts (16) outside the two clamping plates (17).

6. The large shaft sleeve fastening flat tongs for milling machine processing according to claim 1, characterized in that, The end of the fastening lead screw (10) away from the bearing seat (11) is rotatably connected with the flat tongs seat body (4).

Images