CN209969806U

CN209969806U - Workpiece clamping device of linear cutting machine tool

Info

Publication number: CN209969806U
Application number: CN201920496139.8U
Authority: CN
Inventors: 张大刃
Original assignee: Jilin Haodong Machinery Manufacturing Co Ltd
Current assignee: Jilin Haodong Machinery Manufacturing Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-01-21
Anticipated expiration: 2029-04-12

Abstract

The utility model provides a workpiece clamping device of linear cutting machine tool, which comprises a fixed base, the fixing base top is provided with first mount, be provided with the rotary disk on the first mount, be provided with the ring gear on the rotary disk, ring gear one side is provided with drive gear, the rotary disk middle part is provided with spinning ring, spinning ring inner wall is provided with spinning plate, spinning plate slope sets up, spinning ring center is provided with stop device, stop device is provided with spacing hole, spacing downthehole spacing axle that is provided with, spacing axle one end is supported at spinning plate middle part and the other end and grip block fixed connection, can carry out the centre gripping to the work piece of different models, and the centre gripping is effectual not hard up easily, and the simple easy operation of centre gripping mode.

Description

Workpiece clamping device of linear cutting machine tool

Technical Field

The utility model relates to a linear cutting machine lathe equipment technique especially relates to a workpiece clamping device of linear cutting machine lathe.

Background

The linear cutting machine adopts electrode wire (molybdenum wire, tungsten-molybdenum wire, etc.) as tool electrode, and under the action of pulse power supply the spark discharge is formed between the tool electrode and workpiece to be machined, and the spark channel can instantaneously produce lots of heat to melt and even vaporize the surface of workpiece. Meanwhile, the numerically controlled linear cutting machine tool enables the electrode wire to move along a preset track through the movement of the XY supporting plate and the UV supporting plate, so that the purpose of processing the workpiece is achieved.

Although the clamping device for the existing cutting machine tool can clamp a workpiece, the clamping force of the workpiece is easy to loosen when the workpiece is machined, the clamping mode is mostly elastic clamping, the fixing effect is poor, or the workpiece is clamped through driving clamping devices such as a motor and the like, the equipment cost is high, the precision adjustment also needs the cooperation of other complex devices, and the installation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to existing equipment, the utility model provides a workpiece clamping device of linear cutting machine lathe can carry out the centre gripping to the work piece of different models, and the centre gripping is effectual difficult not hard up, and the simple easy operation of centre gripping mode.

The workpiece clamping device of the linear cutting machine tool comprises a fixed seat, wherein the fixed seat is arranged in pairs and is arranged on two sides of the machine tool, a first fixed frame is arranged at the top end of the fixed seat, a rotary disk is arranged on the first fixed frame, the rotary disk is rotatably connected with the first fixed frame through a bearing, a gear ring is arranged on the rotary disk, a driving gear is arranged on one side of the gear ring, outer teeth of the gear ring are matched with outer teeth of the driving gear, a driving shaft is arranged at the center of the driving gear, a second fixed frame is arranged on the fixed seat on the outer side of the first fixed frame, the driving shaft penetrates through the first fixed frame and the second fixed frame and is fixedly connected with a rotating handle, a spinning ring is arranged in the middle of the rotary disk, the spinning ring is in a circular ring shape, a spinning plate is arranged on the inner wall of the spinning ring, the spinning, the spinning ring center is provided with stop device, stop device and spinning ring top are provided with the work piece and place the mouth, the stop device bottom is provided with the fixed axle, the fixed axle passes rotary disk and first mount and second mount fixed connection, stop device is provided with spacing hole, spacing downthehole spacing axle that is provided with, spacing axle passes through the spring and links to each other with spacing downthehole wall, spacing hole is all stretched out at spacing axle both ends, spacing axle one end is supported at spinning plate middle part and the other end and grip block fixed connection.

Preferably, a fixed groove is formed in the limiting hole, a spring is fixedly mounted on the inner wall of the fixed groove, and the other end of the spring is fixed on the limiting shaft.

Preferably, the bottom of the fixed seat is provided with a sliding groove, the machine tool is provided with a sliding block, and the fixed seat is in sliding connection with the machine tool through the sliding groove and the sliding block in a meshed mode.

Preferably, the sliding block is provided with a fixing hole, and a fixing screw is arranged in the fixing hole.

Preferably, the first fixing frame and the second fixing frame are both provided with threaded through holes, and the rotating shaft penetrates through the threaded through holes to be in threaded connection with the first fixing frame and the second fixing frame.

Preferably, the spinning plate and the tangent line of the contact point of the inner surface of the spinning ring form an included angle of 60 degrees.

The utility model has the advantages that:

1. the utility model discloses set up the fixing base, the fixing base sets up and sets up in the both sides of lathe in pairs, and the fixing base top is the clamping device main part, the fixing base pass through spout and slider sliding connection with the lathe, can adjust the distance between the fixing base according to the work piece specification of processing to the work piece of adaptation different specifications.

2. The utility model discloses a spinning plate rotates on drive gear drive spinning collar, the slope of spinning plate sets up, rotates the inside removal of spacing axial stop device on the in-process pressing stop device to the grip block that makes spacing axle head portion is close to each other, carries out the centre gripping to the work piece, and the centre gripping is effectual not hard up, and the simple easy operation of centre gripping mode.

3. The utility model discloses a drive shaft and first mount and second mount threaded connection, drive shaft tip are provided with rotatory handle, can drive gear through rotatory handle and rotate to drive spinning ring and rotate, the drive mode is simple, and equipment cost is low.

Drawings

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

FIG. 2 is a schematic view of the rotating disc and the position relationship between the mechanism on the rotating disc and the limiting device;

FIG. 3 is a schematic diagram of the position relationship of the rotating disc and the mechanism on the rotating disc;

FIG. 4 is a side view of the stop device;

FIG. 5 is a longitudinal sectional view of the position limiting device at the position limiting hole;

fig. 6 is a front view of the second fixing frame.

In the shown drawing, a fixed seat 1, a first fixed frame 2, a sliding groove 3, a sliding block 4, a fixed hole 5, a rotating disc 6, a bearing 7, a gear ring 8, a driving gear 9, a driving shaft 10, a second fixed frame 11, a rotating handle 12, a threaded through hole 13, a spinning ring 14, a spinning plate 15, a limiting device 16, a fixed shaft 17, a limiting hole 18, a limiting shaft 19, a spring 20 and a clamping plate 21 are arranged.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

As shown in fig. 1-3, a workpiece clamping device of a linear cutting machine tool comprises a fixed seat 1, wherein the fixed seat 1 is arranged in pairs and is arranged on two sides of the machine tool, a first fixed frame 2 is arranged on the top end of the fixed seat 1, a sliding groove 3 is arranged at the bottom of the fixed seat 1, a sliding block 4 is arranged on the machine tool, and the fixed seat 1 and the machine tool are in sliding connection through the sliding groove 3 and the sliding block 4. The clamping device is characterized in that a fixing hole 5 is formed in the sliding block 4, a fixing screw is arranged in the fixing hole 5, the fixing seats 1 are arranged in pairs and are arranged on two sides of a machine tool, a clamping device main body is arranged above the fixing seats 1, the fixing seats 1 are in sliding connection with the machine tool through sliding chutes 3 and the sliding blocks 4, the distance between the fixing seats 1 can be adjusted according to the specification of a processed workpiece, the clamping device main body can be fixed through the fixing screw, the clamping device can adapt to workpieces with different specifications, a rotating disc 6 is arranged on the first fixing frame 2, the rotating disc 6 is in rotating connection with the first fixing frame 2 through a bearing 7, the rotating disc 6 can rotate on the first fixing frame 2 through the bearing 7, a gear ring 8 is arranged on the rotating disc 6, a driving gear 9 is arranged on one side of the gear ring 8, the, the fixing seat 1 at the outer side of the first fixing frame 2 is provided with a second fixing frame 11, the driving shaft 10 passes through the first fixing frame 2 and the second fixing frame 11 and is fixedly connected with a rotating handle 12, as shown in fig. 6, the first fixing frame 2 and the second fixing frame 11 are both provided with a thread through hole 13, the rotating shaft passes through the thread through hole 13 and is in threaded connection with the first fixing frame 2 and the second fixing frame 11, the rotating handle 12 rotates, the rotating shaft rotates along with the rotating handle 12 to drive a driving gear 9 to rotate, the driving gear 9 drives a gear ring 8 to rotate to drive a rotating disk 6 to rotate, the middle part of the rotating disk 6 is provided with a spinning ring 14, the spinning ring 14 is in a circular ring shape, the inner wall of the spinning ring 14 is provided with a spinning plate 15, the spinning plate 15 is obliquely arranged, the spinning plate 15 is provided with two parts and is arranged at the same horizontal position, the rotating and pressing plate 15 and a tangent line of a contact point of the inner surface of the rotating and pressing ring 14 form an included angle of 60 degrees, the rotating and pressing ring 14 drives the rotating and pressing plate 15 to rotate when rotating along with the rotating disc 6, the center of the rotating and pressing ring 14 is provided with a limiting device 16, a workpiece placing opening is arranged above the limiting device 16, the rotating and pressing ring 14 and the gear ring 8, a processing workpiece is placed into the limiting device 16 at two ends, as shown in figures 1 and 4-5, the bottom end of the limiting device 16 is provided with a fixed shaft 17, the fixed shaft 17 penetrates through the rotating disc 6 and a first fixed frame and is fixedly connected with a second fixed frame, the limiting device 16 is fixed when the rotating disc 6 rotates, the limiting device 16 is provided with a limiting hole 18, a limiting shaft 19 is arranged in the limiting hole 18, the limiting shaft 19 is connected with the inner wall of the limiting hole 18 through a, fixed slot inner wall fixed mounting has spring 20, spring 20's the other end is fixed on spacing axle 19, and spring 20's setting can make spacing axle 19 not receive the normal position when external pressure, and can not the spacing hole of roll-off 18 at ordinary times, spacing hole 18 is all stretched out at spacing axle 19 both ends, 19 one end of spacing axle is supported at spinning plate 15 middle part and the other end and grip block 21 fixed connection, presses spacing axle 19 to 16 internal motion of stop device when spinning plate 15 is rotatory to the relative grip block 21 of drive is close to each other, accomplishes the centre gripping to the work piece.

When clamping and fixing a workpiece, adjusting the distance between the fixing seats 1 according to the specification of the workpiece to be machined, fixing the workpiece by a fixing screw, placing the workpiece into the limiting devices 16 at two ends from a workpiece placing opening, rotating the rotating handle 12, wherein the rotating shaft rotates along with the rotating handle 12 so as to drive the driving gear 9 to rotate, the driving gear 9 drives the gear ring 8 to rotate so as to drive the rotating disc 6 to rotate, the spinning ring 14 on the rotating disc 6 rotates along with the rotating disc 6, the spinning plate 15 rotates along with the rotating ring 14, and when the spinning plate 15 rotates, the limiting shaft 19 is pressed to move towards the limiting devices 16, so that the relative clamping plates 21 are driven to be close to each other, and the workpiece is clamped.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The workpiece clamping device of the linear cutting machine tool is characterized by comprising fixing seats, wherein the fixing seats are arranged in pairs and are arranged on two sides of the machine tool, a first fixing frame is arranged at the top end of each fixing seat, a rotating disc is arranged on the first fixing frame and is rotationally connected with the first fixing frame through a bearing, a gear ring is arranged on the rotating disc, a driving gear is arranged on one side of the gear ring, outer teeth of the gear ring are matched with outer teeth of the driving gear, a driving shaft is arranged at the center of the driving gear, a second fixing frame is arranged on the fixing seats on the outer side of the first fixing frame, the driving shaft penetrates through the first fixing frame and the second fixing frame to be fixedly connected with a rotating handle, a spinning ring is arranged in the middle of the rotating disc and is in a circular ring shape, a spinning plate is arranged on the inner wall of the, spinning board is provided with two and circles same horizontal position setting at the spinning, the spinning circle center is provided with stop device, stop device is provided with the work piece with the spinning circle top and places the mouth, the stop device bottom is provided with the fixed axle, the fixed axle passes rotary disk and first mount and second mount fixed connection, stop device is provided with spacing hole, spacing downthehole spacing axle that is provided with, spacing axle passes through the spring and links to each other with spacing downthehole wall, spacing hole is all stretched out at spacing axle both ends, spacing axle one end is supported at spinning board middle part and the other end and grip block fixed connection.

2. The workpiece clamping device of the linear cutting machine as claimed in claim 1, wherein a fixing groove is arranged in the limiting hole, a spring is fixedly arranged on the inner wall of the fixing groove, and the other end of the spring is fixed on the limiting shaft.

3. The workpiece clamping device of the linear cutting machine as claimed in claim 1, wherein a sliding groove is formed at the bottom of the fixed seat, a sliding block is arranged on the machine tool, and the fixed seat is slidably connected with the machine tool through the engagement of the sliding groove and the sliding block.

4. The workpiece clamping device of the linear cutting machine as set forth in claim 3, wherein a fixing hole is provided on said slide block, and a fixing screw is provided in said fixing hole.

5. The workpiece clamping device of the linear cutting machine as claimed in claim 1, wherein the first fixing frame and the second fixing frame are provided with threaded through holes, and the rotating shaft passes through the threaded through holes to be in threaded connection with the first fixing frame and the second fixing frame.

6. The workpiece clamping device of the linear cutting machine as claimed in claim 1, wherein the spinning plate forms an angle of 60 ° with a tangent line of a contact point of the inner surface of the spinning ring.