Milling machine for machining shaft parts

Abstract

The utility model relates to the technical field of milling machines, in particular to a milling machine for machining shaft parts, which comprises a milling machine main body, the milling machine main body is arranged on a base, a rotatable worktable component is arranged on one side of the milling machine main body on the base, and a plurality of clamping components are uniformly arranged on the worktable component. The shaft body is clamped by the clamping assembly and is milled by the milling machine main body; according to the milling machine, by arranging the workbench assembly, the shaft body replacement time is saved, the cutting machining efficiency is improved, by arranging the clamping assembly, the bottom and the top of the shaft body are supported and clamped, and the clamping stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a milling machine technical field, especially a kind of milling machine for shaft class piece processing. BACKGROUND

[0002] Milling machine is a kind of machine tool for processing workpiece surface, mainly through rotating milling cutter cutting processing.Milling machine can process plane, groove, gear, thread and other complex shape surface, and is widely used in mechanical manufacturing and repair department.

[0003] For small shaft class piece, it is usually to adopt small milling machine to mill keyway, groove and other of shaft class piece, when the existing milling machine processes shaft class piece, workbench is fixed and cannot be moved, and there is only a set of clamping device on workbench, when processing multiple shaft class pieces, it is necessary to process one, take down from clamping device, clamp another shaft class piece and process again, so that the continuity of processing cannot be realized, and the working efficiency is low;And clamping device usually adopts vice, small milling machine implements downward force to keyway, groove of shaft class piece, and shaft class piece is easy to produce micro-offset under force, so that the precision is not high, the cutting work is affected, and the working efficiency is reduced.

[0004] Therefore, the present application provides a kind of milling machine for shaft class piece processing to solve the problems presented in the above background. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of milling machine for shaft class piece processing, solves the problems, such as the continuity of processing cannot be realized by existing milling machine, processing precision is not high, and processing efficiency is low.

[0006] To solve the above technical problems, the utility model provides a kind of milling machine for shaft class piece processing, including milling machine main part, milling machine main part is set on base, and the rotatable workbench assembly is set on base and located at one side of milling machine main part, and a plurality of clamping assemblies are evenly arranged on workbench assembly, and shaft body is clamped by clamping assembly and is milled by milling machine main part.

[0007] The further improvement of the utility model technical scheme is that: workbench assembly includes circular table plate, and the edge of the bottom surface of table plate is provided with downward annular support plate, and the bottom end surface of annular support plate is provided with first arc-shaped groove.

[0008] The further improvement of the utility model technical scheme is that: the upper surface of base is provided with rotary air cylinder, and the output shaft of rotary air cylinder is connected to the center of the bottom of table plate.

[0009] The further improvement of the utility model technical scheme is that: the second arc-shaped groove is set on the upper surface of base and located at the outer periphery of rotary air cylinder, and the second arc-shaped groove is correspondingly arranged with the first arc-shaped groove.

[0010] The further improvement of the utility model technical scheme lies in: a plurality of steel balls are evenly arranged in the second arc-shaped groove, the upper part of the steel ball is adaptively sleeved in the first arc-shaped groove, the diameter of the steel ball is greater than the sum of the vertical height of the first arc-shaped groove and the second arc-shaped groove, and the steel ball is used for forming a rotating gap between the annular supporting plate and the table plate.

[0011] The further improvement of the utility model technical scheme lies in: the clamping assembly comprises a clamping block arranged on the table plate, a V-shaped groove is arranged on the upper part of the clamping block, a square groove is arranged in communication at the lower part of the V-shaped groove, the two inner side walls of the V-shaped groove abut against the supporting shaft body, and the upper arc surface of the shaft body is press-connected with the press rod.

[0012] The further improvement of the utility model technical scheme lies in: the press rod is in the shape of a rectangle, a downward press-connection part is arranged on the bottom end face of one end of the press rod, the press-connection part is in the shape of an arc and is adapted to the upper arc surface of the shaft body, and the other end of the press rod is in shaft connection with a rotating shaft at the inner side opening.

[0013] The further improvement of the utility model technical scheme lies in: a handle is arranged on the outer ring surface of the eccentric wheel, and the handle is located at the opposite side of the press rod.

[0014] The further improvement of the utility model technical scheme lies in: the clamping assembly further comprises a supporting block arranged on the table plate, a third arc-shaped groove is arranged on the top surface of the supporting block, and the eccentric wheel is adaptively arranged in the third arc-shaped groove and used for supporting the lower part of the eccentric wheel.

[0015] The further improvement of the utility model technical scheme lies in: the clamping assembly further comprises a square limiting ring adaptively sleeved on the outer periphery of the middle part of the press rod, a fixed bolt vertically penetrating downward is arranged in the middle part of the square limiting ring, the bottom end of the fixed bolt is in screw connection with the table plate, and a rotating hand lever is arranged on the top of the fixed bolt.

[0016] By adopting the above technical scheme, the utility model has the following beneficial effects:

[0017] 1、The utility model provides a milling machine for shaft piece machining, the milling machine rotates the table plate through the rotating air cylinder in the workbench component, and then the clamping assembly on the table plate drives the clamped shaft body to rotate in turn, when one set of clamping assembly drives the clamped shaft body to rotate to the lower part of the milling machine body and carries out cutting processing, the user can install the shaft body on other clamping assembly, when the shaft body processing cutting is completed, the table plate rotation can continuously process the next shaft body, saves the time of shaft body replacement, and improves the cutting processing efficiency.

[0018] 2. The milling machine for shaft machining has the advantages that the downward annular support plate is arranged on the edge of the bottom surface of the table plate, the first arc-shaped groove is arranged on the bottom end surface of the arc-shaped support plate, the second arc-shaped groove is arranged on the upper surface of the base and located outside the periphery of the rotary cylinder, the steel ball is arranged in the first arc-shaped groove and the second arc-shaped groove, the steel ball guides the rotary motion of the annular support plate and supports the annular support plate in the radial direction, the downward force is applied when the milling machine body cuts the shaft, the table plate is prevented from tilting, the stability of the table plate support is improved, and the stability and precision of the cutting process are improved.

[0019] 3. The milling machine for shaft machining has the advantages that the V-shaped groove in the clamping block supports and abuts against the lower two surfaces of the shaft body, the pressure rod is used to press the top surface of the shaft body downward, the stable three-surface pressing is formed, the eccentric wheel is used to drive the pressure rod to press the shaft rod, the rotary fixing bolt and the square limiting ring are used to apply the downward force to the pressure rod, the shaft rod is further pressed and fixed by the pressure rod, the pressing effect is improved, and the cutting precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0021] Figure 1 It is a whole schematic view of the milling machine for shaft machining;

[0022] Figure 2 It is a mechanism schematic view of the clamping assembly;

[0023] Figure 3 It is a structure schematic view of the clamping block;

[0024] Figure 4 It is a structure schematic view of the support block, eccentric wheel and handle;

[0025] Figure 5 It is a structure schematic view of the annular support plate in the workbench assembly;

[0026] Figure 6 It is a structure schematic view of the second arc-shaped groove, rotary cylinder and steel ball;

[0027] Figure 7 It is Figure 1 It is an enlarged structure schematic view of part A;

[0028] Label: 1, base; 2, milling machine main body; 3, workbench assembly; 4, clamping assembly; 5, shaft body; 11, rotary cylinder; 12, second arc-shaped groove; 13, steel ball; 14, rotary gap; 31, table plate; 32, annular support plate; 33, first arc-shaped groove; 41, support block; 42, third arc-shaped groove; 43, eccentric wheel; 44, pressing rod; 45, clamping block; 46, square limiting ring; 47, handle; 48, fixing bolt; 49, rotary hand lever; 451, V-shaped groove; 452, square groove; 441, pressure connection part; 431, eccentric hole; 432, rotary shaft. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] The present application will be further explained and described below in combination with specific embodiments.

[0033] As Figures 1-7As shown, the embodiment provides a kind of milling machine for shaft piece processing, including milling machine body 2, milling machine body 2 is set on base 1, milling machine body 2 is existing structure, specific structure is not repeated here, its main effect is to the cutting processing of shaft body 5;, rotatable workstation assembly 3 is set on base 1 in the side of milling machine body 2, workstation assembly 3 is uniformly provided with several clamping assemblies 4, clamping assembly 4 is at least provided with 2 sets;Clamping assembly 4 clamping shaft body 5 is milled by milling machine body 2 to it;External control system (not shown in drawing) control rotating cylinder 11 in workstation assembly 3 drive platform plate 31 rotation, and then the clamping assembly 4 on platform plate 31 drive the rotation of clamped shaft body 5 in turn, when one set of clamping assembly 4 drive the rotation of clamped shaft body 5 to milling machine body 2 below carries out cutting processing, user can install shaft body 5 on other clamping assembly 4, when shaft body 5 processing cutting is completed, platform plate 31 rotation can continuously process next shaft body 5, save the time of shaft body 5 replacement, improve the efficiency of cutting processing.

[0034] As Figure 1 、 Figure 5 、 Figure 6 and Figure 7As shown, in the embodiment, the workbench assembly 3 includes a rotary cylinder 11 arranged on the upper surface of the base 1, and the output shaft of the rotary cylinder 11 is connected to the center of the bottom of the table plate 31. The workbench assembly 3 drives the table plate 31 to rotate through the rotary cylinder 11, and then drives the clamping assembly 4 on the table plate 31 to rotate. During the period when one set of clamping assemblies 4 drives the clamped shaft body 5 to rotate to the lower side of the milling machine body 2 for cutting processing, the user can install the shaft body 5 on the other clamping assembly 4. When the shaft body 5 is processed and cut, the table plate 31 can rotate to continuously process the next shaft body 5. The workbench assembly 3 is arranged to enable the milling machine body 2 to sequentially cut the clamped shaft body 5, thereby saving the time for replacing the shaft body 5 and improving the cutting processing efficiency. The workbench assembly 3 includes a circular table plate 31, the edge of the bottom surface of the table plate 31 is provided with a downward annular support plate 32, and the bottom end surface of the annular support plate 32 is provided with a first arc-shaped groove 33. The upper surface of the base 1 is provided with a second arc-shaped groove 12 at the outer periphery of the rotary cylinder 11, and the second arc-shaped groove 12 is correspondingly arranged with the first arc-shaped groove 33. A plurality of steel balls 13 are uniformly arranged in the second arc-shaped groove 12. The upper part of the steel ball 13 is adapted to be fitted into the first arc-shaped groove 33. In order to ensure the stability of the table plate 31, the edge of the bottom surface of the table plate 31 is provided with a downward annular support plate 32, the bottom end surface of the annular support plate 32 is provided with a first arc-shaped groove 33, the upper surface of the base 1 is provided with a second arc-shaped groove 12 at the outer periphery of the rotary cylinder 11, and the steel ball 13 is arranged in the first arc-shaped groove 33 and the second arc-shaped groove 12. The steel ball 13 guides the rotary motion of the annular support plate 32 and supports the annular support plate 32 in the radial direction, thereby reducing the inclination of the table plate 31 caused by the downward force applied by the milling machine body 2 when cutting the shaft body 5, improving the stability of the support of the table plate 31, and further improving the stability and precision of the cutting processing.

[0035] Further, the diameter of the steel ball 13 is greater than the sum of the vertical heights of the first arc-shaped groove 33 and the second arc-shaped groove 12, which is used to support the rotary gap 14 between the annular support plate 32 and the table plate 31. The rotary gap is arranged to enable the table plate 31 to not contact and hinder the rotation of the annular support plate 32 when the annular support plate 32 rotates, so that the annular support plate 32 can smoothly rotate.

[0036] As Figures 2-4As shown, in the embodiment, the clamping assembly 4 comprises a clamping block 45 arranged on the table plate 31, a V-shaped groove 451 is arranged on the upper portion of the clamping block 45, a square groove 452 is arranged in communication with the lower portion of the V-shaped groove 451, the square groove 452 provides a placing space for the shaft body 5, the two inner side walls of the V-shaped groove 451 abut against the shaft body 5, and the upper arc surface of the shaft body 5 is pressed against the pressing rod 44; the clamping assembly 4 is provided with the V-shaped groove 451, the V-shaped groove 451 has good centering property, can make the positioning reference of the shaft body 5 always be in the symmetry plane of the two working surfaces of the V-shaped groove 451, improve the machining precision, in addition, the two working surfaces of the V-shaped groove 451 have large contact area with the shaft body 5, abut against and support the lower portion of the shaft body 5, the top surface of the shaft body 5 is pressed downward by the pressing rod 44, a stable three-surface pressing is formed, and the pressing effect is improved.

[0037] Further, the pressure rod 44 is overall rectangular, the bottom end surface of one end of the pressure rod 44 is provided with a downward pressing portion 441, the pressing portion 441 is arc-shaped, and is matched with the upper arc surface of the shaft body 5; the inner side of the opening of the other end of the pressure rod 44 is provided with a rotating shaft 432, and the rotating shaft 432 is matched with the eccentric hole 431 in the eccentric wheel 43. A handle 47 is arranged on the outer ring surface of the eccentric wheel 43, and the handle 47 is located on the opposite side of the pressure rod 44. The clamping assembly 4 further comprises a supporting block 41 arranged on the table plate 31, the supporting block 41 is fixed on the table plate 31, the top surface of the supporting block 41 is provided with a third arc-shaped groove 42, the third arc-shaped groove 42 is matched with the eccentric wheel 43, and the third arc-shaped groove 42 is used for supporting the lower part of the eccentric wheel 43 and providing a rotating track. The clamping assembly 4 further comprises a square limiting ring 46 matched with the outer periphery of the middle part of the pressure rod 44, the middle part of the square limiting ring 46 is provided with a downward vertical fixed bolt 48, the bottom end of the fixed bolt 48 is screwed with the table plate 31, and the top part of the fixed bolt 48 is provided with a rotating handle 49. The square limiting ring 46 is used for limiting the pressure rod 44, on the other hand, the square limiting ring 46 applies downward pressure to the pressure rod 44 through the fixed bolt 48, so that the eccentric wheel 43 on the pressure rod 44 does not move out of the third arc-shaped groove 42, and the eccentric wheel 43 is limited; specifically, when the handle 47 is lifted to the vertical state, the eccentric wheel 43 rotates clockwise in the third arc-shaped groove 42 to the minimum eccentric distance, drives the pressure rod 44 to move downward and to the left, at this time, the pressure rod 44 is at the lowest position, the pressing portion 441 abuts against the upper arc surface of the shaft body 5, the shaft body 5 is pressed tightly, in addition, the rotating handle 49 is manually rotated, drives the fixed bolt 48 to move downward on the table plate 31, the fixed bolt 48 presses the square limiting ring 46, and the square limiting ring 46 further presses and fixes the pressure rod 44, so that the eccentric wheel 43 does not rotate after being pressed tightly, and the effect of the clamping assembly 4 on the shaft body 5 is improved; when the shaft body 5 needs to be taken out, the rotating handle 49 is manually rotated to move the fixed bolt 48 upward, and the handle 47 is counterclockwise rotated to the near horizontal state, the eccentric wheel 43 rotates counterclockwise in the third arc-shaped groove 42 to the maximum eccentric distance, drives the pressure rod 44 to move upward and to the right, the pressing portion 441 moves away from the shaft body 5 to the right and upward, releases the pressing of the shaft body 5, and the shaft body 5 is smoothly taken out.

[0038] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A milling machine for machining shaft-like parts, characterized in that, The milling machine body (2) is arranged on the base (1), and a rotatable workbench assembly (3) is arranged on one side of the milling machine body (2) on the base (1). A plurality of clamping assemblies (4) are uniformly arranged on the workbench assembly (3). The clamping assemblies (4) clamp shaft bodies (5) for milling processing by the milling machine body (2).

2. The milling machine for machining shafts according to claim 1, characterized in that, The workbench assembly (3) comprises a circular table plate (31), and the edge of the bottom surface of the table plate (31) is provided with a downward annular support plate (32). The bottom end surface of the annular support plate (32) is provided with a first arc-shaped groove (33).

3. The milling machine for machining shafts according to claim 2, characterized in that, A rotating air cylinder (11) is arranged on the upper surface of the base (1), and the output shaft of the rotating air cylinder (11) is connected to the center of the bottom of the table plate (31).

4. The milling machine for machining shafts according to claim 3, characterized in that, A second arc-shaped groove (12) is arranged on the upper surface of the base (1) outside the rotating air cylinder (11), and the second arc-shaped groove (12) is correspondingly arranged with the first arc-shaped groove (33).

5. The milling machine for machining shafts according to claim 4, characterized in that, A plurality of steel balls (13) are uniformly arranged in the second arc-shaped groove (12), the upper part of the steel ball (13) is adaptively fitted into the first arc-shaped groove (33), the diameter of the steel ball (13) is greater than the sum of the vertical height of the first arc-shaped groove (33) and the second arc-shaped groove (12), and the steel ball (13) is used to support the annular support plate (32) and the table plate (31) to form a rotating gap (14) therebetween.

6. The milling machine for machining shafts according to claim 5, characterized in that, The clamping assembly (4) comprises a clamping block (45) arranged on the table plate (31), a V-shaped groove (451) is arranged on the upper part of the clamping block (45), a square groove (452) is arranged in communication at the lower part of the V-shaped groove (451), and the two inner side walls of the V-shaped groove (451) abut against the support shaft body (5). The upper arc surface of the shaft body (5) is pressed against the pressing rod (44).

7. The milling machine for machining shafts according to claim 5, characterized in that, The pressing rod (44) is U-shaped, the bottom end surface of one end of the pressing rod (44) is provided with a downward pressing portion (441), the pressing portion (441) is arc-shaped, and is adaptively fitted to the upper arc surface of the shaft body (5). The other end of the pressing rod (44) is provided with a rotating shaft (432) on the inner side of the opening, and the rotating shaft (432) is adaptively fitted into the eccentric hole (431) in the eccentric wheel (43).

8. The milling machine for machining shafts according to claim 5, wherein A handle (47) is arranged on the outer ring surface of the eccentric wheel (43), and the handle (47) is located on the opposite side of the pressing rod (44).

9. The milling machine for machining shafts according to claim 5, wherein The clamping assembly (4) further comprises a support block (41) arranged on the table plate (31), a third arc-shaped groove (42) is arranged on the top surface of the support block (41), and the eccentric wheel (43) is adaptively arranged in the third arc-shaped groove (42) for supporting the lower part of the eccentric wheel (43).

10. The milling machine for machining shafts according to claim 7, characterized in that, The clamping assembly (4) further comprises a square limiting ring (46) adaptively fitted into the middle part of the outer periphery of the pressing rod (44), a fixed bolt (48) vertically penetrating downward is arranged in the middle part of the square limiting ring (46), the bottom end of the fixed bolt (48) is screwed to the table plate (31), and a rotating handle (49) is arranged on the top of the fixed bolt (48).

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