CN218224699U

CN218224699U - Machine tool chuck used for mechanical manufacturing and accurate in positioning

Info

Publication number: CN218224699U
Application number: CN202222480202.3U
Authority: CN
Inventors: 钱刚; 徐丹; 周忠民
Original assignee: Shanghai Lanjian Electric Control Equipment Machinery Co ltd
Current assignee: Shanghai Lanjian Electric Control Equipment Machinery Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-06
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a location accurate lathe chuck for machine-building, including base and two sets of chuck bodies, two sets of fixed plates of base upper end fixedly connected with, the equal activity through connection in the two sets of fixed plate outsides has the regulating spindle, regulating spindle medial extremity fixed connection chuck body, the fixed cover in a set of regulating spindle outside is established and is connected with the driven fluted disc, and the fixed plate outside of this side is still fixedly connected with drive regulating spindle pivoted drive shaft, the fixed cover in opposite side regulating spindle outside is established and is connected with spacing dish, and the outside of this side fixing plate is located the equal fixedly connected with joint frame in the upper and lower extreme position of spacing dish, the equal activity of upper and lower two sets of joint frame inner chambers is provided with the spacing clamp that docks in the spacing dish outside. The utility model discloses can realize realizing more accurate fine setting to the angle of the work piece of chuck body joint to the accessible is dead to the spacing dish lock after the adjustment and is realized the angular fixity to the adjustment, and its structure sets up simple reasonable, and practical function is obvious.

Description

Machine tool chuck used for mechanical manufacturing and accurate in positioning

Technical Field

The utility model relates to a machine-building field especially relates to an accurate lathe chuck in location for machine-building.

Background

The chuck is a mechanical device used for clamping a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body, the chuck generally comprises the chuck body, the movable clamping jaws and a clamping jaw driving mechanism part, the diameter of the chuck body is 65 mm at the minimum and can reach 1500 mm at the maximum, and a through hole is formed in the center so as to facilitate the workpiece or a bar material to pass through; chucks are commonly used in lathes, cylindrical grinders and internal grinders, and may also be used in conjunction with various indexing devices for milling and drilling machines.

But current lathe chuck when the reality is got the work piece and is got fixedly, need rotate according to the demand of production, and rotate the majority and control through the motor, and add to some precision work pieces man-hour, have higher requirement to the accurate nature of chuck pivoted angle, consequently traditional motor drive's mode has been difficult to satisfy the angular adjustment that precision work piece adds man-hour, needs a more accurate structure of angular adjustment to realize accurate location to the chuck. We therefore propose a precisely positioned machine tool chuck for machine manufacturing to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and provides a machine tool chuck with accurate positioning for mechanical manufacturing.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a fix a position accurate lathe chuck for machine-building, includes base and two sets of chuck bodies, two sets of fixed plates of base upper end fixedly connected with, and is two sets of the equal activity through connection in the fixed plate outside has the regulating spindle, regulating spindle medial extremity fixed connection chuck body, it is a set of the fixed cover in the regulating spindle outside is established and is connected with the driven fluted disc, and this side fixing plate outside still fixedly connected with drive regulating spindle pivoted drive shaft, opposite side the fixed cover in the regulating spindle outside is established and is connected with spacing dish, and the outside of this side fixing plate is located the equal fixedly connected with joint frame in the upper and lower extreme position of spacing dish, and is two sets of from top to bottom the equal activity of joint frame inner chamber is provided with the spacing clamp in the spacing dish outside, and the butt joint face of spacing dish, spacing clamp all is provided with the friction disc, and the screw shaft that still activity was provided with two sets of clamp relative motion between two sets of joint frames.

Preferably, a scale plate is fixedly connected to the outer side of the fixed plate on one side, and a pointer butted to the scale plate is fixedly connected to the outer side of the driven fluted disc.

Preferably, the adjusting shaft and the fixing plate and the threaded shaft and the clamping frame are rotatably connected through bearings.

Preferably, the outer side of the driving shaft is fixedly sleeved with a driving fluted disc engaged with a driven fluted disc, and the outer side end of the driving shaft and the upper end of the threaded shaft are fixedly connected with handles.

Preferably, the diameter of the driving toothed disc is smaller than the diameter of the driven toothed disc.

Preferably, two sets of from top to bottom the equal fixedly connected with connecting block in both sides of spacing clamp is two sets of from top to bottom still the spacing axle of fixedly connected with between the joint frame, the connecting block of spacing clamp both sides is run through in the equal activity of spacing axle and screw spindle.

Preferably, the threaded shaft outside is provided with opposite direction's screw thread, and the connection block in the two sets of spacing clamp outsides of threaded shaft outside's opposite direction's screw thread through connection respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a two sets of regulating spindles carry out movable mounting to two sets of chuck bodies respectively, behind chuck body joint work piece, the work piece that accessible drive shaft cooperation meshed gear drive chuck body clamp was got carries out angular adjustment, and adjust the chucking degree of the spacing dish of clamp to the opposite side regulating spindle outside, the accurate adjustment to the work piece angle is realized to the principle of little fluted disc drive fluted disc, and can adjust the dynamics that the rotation needs by the locking degree of spacing dish, and then can realize more accurate angle fine setting, and the accessible is died the realization to the angle fixed of adjustment to spacing dish lock after the adjustment. The utility model discloses holistic structure sets up simple reasonable, and practical function is obvious, is worth current market and uses widely.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the fixing plate of FIG. 1 according to the present invention;

fig. 3 is a schematic side view of the structure of the clamping frame shown in fig. 1 according to the present invention.

In the figure: 1-base, 2-fixing plate, 201-scale plate, 202-pointer, 3-adjusting shaft, 4-chuck body, 5-driven fluted disc, 6-driving shaft, 601-handle, 7-driving fluted disc, 8-limiting disc, 9-clamping frame, 10-limiting hoop, 1001-connecting block, 1002-limiting shaft, 11-friction plate and 12-threaded shaft.

Detailed Description

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", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a location accurate lathe chuck for machine-building, including base 1 and two sets of chuck body 4, base 1 upper end fixedly connected with two sets of fixed plates 2, two sets of fixed plates 2 outside all activity through connection have regulating

spindle

3, 3 inboard end fixed connection chuck bodies 4 of regulating spindle, 3 outside end fixed sleeves of a set of regulating spindle are established and are connected with driven

fluted disc

5, and 2 outsides of this side fixed plate still fixedly connected with drive regulating spindle 3 pivoted drive shaft 6, 3 outside end fixed sleeves of opposite side regulating spindle are established and are connected with spacing dish 8, and the outside of this side fixed plate 2 is located the equal fixedly connected with joint frame 9 in the upper and lower extreme position of spacing dish 8, upper and lower two sets of joint frame 9 inner chambers all activity are provided with the spacing clamp 10 of butt joint in the spacing dish 8 outside, and spacing dish 8, the butt joint face of spacing clamp 10 all is provided with friction disc 11, still activity is provided with the threaded spindle 12 of two sets of 10 relative motions between two sets of joint frame 9, all rotate through the bearing between regulating spindle 3 and the fixed plate 2 and between threaded spindle 12 and the joint frame 9, and the activity is run through and is extended to the outside of joint frame 9.

The scale plate 201 is fixedly connected to the outer side of the one side fixing plate 2, the pointer 202 butted with the scale plate 201 is fixedly connected to the outer side of the driven fluted disc 5, when the angle of the adjusting shaft 3 is adjusted, the driven fluted disc 5 on the outer side can drive the pointer 202 to rotate together, and the angle adjusted in real time can be seen through butting with the scale plate 201.

A driving fluted disc 7 meshed with a driven fluted disc 5 is fixedly sleeved on the outer side of the driving shaft 6, handles 601 are fixedly connected to the outer side end of the driving shaft 6 and the upper end of the threaded shaft 12, and the diameter of the driving fluted disc 7 is smaller than that of the driven fluted disc 5; the handle 601 is driven by the driving shaft 6, the driving fluted disc 7 with smaller diameter on the outer side of the driving shaft 6 is meshed with the driven fluted disc 5 with larger diameter on the outer side of the adjusting shaft 3 on one side, and further the adjusting shaft 3 on one side is driven to rotate by utilizing the meshing relation of the fluted discs, so that the angle of the workpiece clamped by the chuck body 4 is finely adjusted.

The two sides of the upper limiting clamp 10 and the lower limiting clamp 10 are fixedly connected with connecting blocks 1001, a limiting shaft 1002 is fixedly connected between the upper clamping frame 9 and the lower clamping frame 9, the limiting shaft 1002 and the threaded shaft 12 movably penetrate through the connecting blocks 1001 on the two sides of the limiting clamps 10, threads in opposite directions are arranged on the outer sides of the threaded shafts 12, and the threads in opposite directions on the outer sides of the threaded shafts 12 are respectively in threaded penetrating connection with the connecting blocks 1001 on the outer sides of the two limiting clamps 10; the tightness of the limiting clamp 10 and the limiting disc 8 can be adjusted by rotating the threaded shaft 12 and utilizing the connection relation.

The utility model discloses when using, the mechanical workpiece who will treat production and processing places between two sets of chuck bodies 4 to press from both sides the work piece through chuck body 4 and get fixedly. Subsequently, the operator can drive the driving shaft 6 through the handle 601, the driving fluted disc 7 with a smaller diameter on the outer side of the driving shaft 6 is meshed with the driven fluted disc 5 with a larger diameter on the outer side of the adjusting shaft 3 on one side, and then the adjusting shaft 3 on one side is driven to rotate by utilizing the meshed relation of the fluted discs, so that the angle of the workpiece clamped by the chuck body 4 is finely adjusted. On this basis, the staff can also drive threaded shaft 12 through the handle 601 in the threaded shaft 12 outside and rotate, the connecting block 1001 in the spacing clamp 10 outside in the two sets of joint frames 9 of threaded shaft 12 outside opposite direction's screw drive, spacing clamp 10 that makes is spacing slip relatively along spacing axle 1002 through the connecting block 1001 of opposite side, and then adjust the distance between two sets of spacing clamps 10, utilize the friction disc 11 frictional contact in the friction disc 11 in the spacing dish 8 outside in the spacing clamp 10 outside, and then adjust the chucking degree of the spacing dish 8 in the opposite side regulating spindle 3 outside, and can adjust the dynamics that the rotation needs by the chucking degree of spacing dish 8, and then can realize more accurate angle fine setting. And after the adjustment is completed, the threaded shaft 12 can be continuously rotated to lock the limiting disc 8 after the adjustment to fix the adjusted angle, so that the stability of clamping a workpiece is ensured, and the subsequent processing and production are facilitated.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides a fix a position accurate lathe chuck for machine-building, includes base (1) and two sets of chuck body (4), two sets of fixed plate (2) of base (1) upper end fixedly connected with, its characterized in that, two sets of fixed plate (2) outside equal activity through connection has regulating spindle (3), regulating spindle (3) medial extremity fixed connection chuck body (4), a set of regulating spindle (3) outside end fixed sleeve is established and is connected with driven fluted disc (5), and this side fixing plate (2) outside still fixedly connected with drive regulating spindle (3) pivoted drive shaft (6), opposite side regulating spindle (3) outside end fixed sleeve is established and is connected with spacing dish (8), and the outside of this side fixing plate (2) is located the equal fixedly connected with joint frame (9) of the last lower extreme position of spacing dish (8), and upper and lower two sets of all the activity of joint frame (9) inner chamber is provided with spacing clamp (10) that dock in the spacing dish (8) outside, and the butt joint face of spacing dish (8), spacing clamp (10) all is provided with friction disc (11), and two sets of clamp frame (9) still activity is provided with two sets of relative motion axle (12).

2. The machine tool chuck with precise positioning for machine manufacturing according to claim 1, characterized in that a scale plate (201) is fixedly connected to the outer side of the fixed plate (2) on one side, and a pointer (202) butted with the scale plate (201) is fixedly connected to the outer side of the driven fluted disc (5).

3. The machine tool chuck for machine building with precise positioning according to claim 2, characterized in that the adjusting shaft (3) and the fixing plate (2) and the threaded shaft (12) and the clamping frame (9) are rotatably connected by bearings.

4. The machine tool chuck for machine manufacturing with precise positioning according to claim 3, characterized in that the driving fluted disc (7) meshed with the driven fluted disc (5) is fixedly sleeved on the outer side of the driving shaft (6), and the handle (601) is fixedly connected to the outer side end of the driving shaft (6) and the upper end of the threaded shaft (12).

5. Machine chuck for machine manufacturing with precise positioning according to claim 4, characterized in that the diameter of the driving toothed disc (7) is smaller than the diameter of the driven toothed disc (5).

6. The machine tool chuck used for machine manufacturing and accurate in positioning is characterized in that connecting blocks (1001) are fixedly connected to two sides of an upper limiting clamp (10) and a lower limiting clamp (10), a limiting shaft (1002) is fixedly connected between the upper clamping frame and the lower clamping frame (9), and the limiting shaft (1002) and a threaded shaft (12) movably penetrate through the connecting blocks (1001) on two sides of the limiting clamps (10).

7. The machine tool chuck for machine manufacturing with precise positioning according to claim 6, wherein the outside of the threaded shaft (12) is provided with threads in opposite directions, and the threads in opposite directions on the outside of the threaded shaft (12) are respectively threaded through the connecting blocks (1001) on the outside of the two sets of limit clamps (10).