CN214256769U - Ejecting device of machine tool and machine tool with same - Google Patents

Abstract

The utility model discloses an liftout device of lathe and lathe that has it, the liftout device arrange in on the workstation of lathe, the workstation has the liftout hole, the liftout device includes: the ejection module comprises a driving assembly and a rolling piece, the rolling piece is rotatably connected with the driving assembly and is suitable for being driven by the driving assembly to lift, and when the rolling piece lifts, the rolling piece is suitable for penetrating through the ejection hole to support a workpiece or a jig. According to the utility model discloses liftout device of lathe goes up and down through drive assembly drive roller to make the roller rise and can support the machined part after passing the liftout hole, machined part unloading operation is easier, is favorable to avoiding machined part deformation, wearing and tearing, has improved machining precision and product quality, and is favorable to avoiding causing the product loss because of misoperation.

Description

Ejecting device of machine tool and machine tool with same

Technical Field

The utility model relates to a lathe technical field, more specifically relates to an ejecting device of lathe and lathe that has it.

Background

The rapid development of the 5G technology drives the industry of the circuit board (PCB) industry to change greatly, and how to improve the efficiency of the circuit board during processing is one of the hot directions of the research of PCB equipment manufacturers at present. The PCB drilling machine with the larger table top can effectively improve the processing efficiency and reduce the process waste. Thus, PCB drills are also evolving towards larger processing tables, and larger sizes.

In the related art, when a PCB drilling machine with a larger table top is used, due to the fact that a plate is large, when an operator performs plate blanking, plate buckling deformation is easy to occur, and machining precision is affected; when the position of the plate is adjusted, the bottom of the heavier plate can rub the surface of the platform, so that the quality of the product is influenced; when a heavier and larger board is used for blanking the plate, misoperation is easy to occur, and especially, the processed board is easy to collide and fall off hands, so that great product waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an ejecting device of lathe, ejecting device can avoid the machined part to warp, wearing and tearing, and is difficult for appearing misoperation and leads to the machined part to damage.

Another object of the utility model is to provide a lathe that has above-mentioned liftout device.

According to the utility model discloses liftout device of lathe, arrange in on the workstation of lathe, the workstation has the liftout hole, liftout device includes: the ejection module comprises a driving assembly and a rolling piece, the rolling piece is rotatably connected with the driving assembly and is suitable for being driven by the driving assembly to lift, and when the rolling piece lifts, the rolling piece is suitable for penetrating through the ejection hole to support a workpiece or a jig.

According to the utility model discloses liftout device of lathe goes up and down through drive assembly drive roller to make the roller rise and can support machined part or tool after passing the liftout hole, machined part unloading operation is easier, is favorable to avoiding machined part deformation, wearing and tearing, has improved machining precision and product quality, and is favorable to avoiding causing the product loss because of misoperation.

In addition, according to the utility model discloses the liftout device of lathe of above-mentioned embodiment can also have following additional technical characterstic:

according to some embodiments of the utility model, drive assembly includes elevating system and installing support, elevating system is used for the drive the installing support goes up and down, be equipped with the installation axle on the installing support, the rolling member rotationally install in the installation axle.

According to some embodiments of the utility model, the installing support includes two support arms that spaced apart set up and connects two the connecting plate of support arm, two be equipped with through-hole and shoulder hole on the support arm respectively, the installation axle passes behind the through-hole the butt in the shoulder hole, still be equipped with on the support arm and be used for preventing installation axle axial float can dismantle stop gear.

According to some embodiments of the present invention, the detachable limiting mechanism includes a threaded fastener, an axially extending threaded hole is provided inside one end of the mounting shaft abutting against the stepped hole, and the fastener passes through the stepped hole and is mounted in the threaded hole; or, the detachable limiting mechanism comprises a threaded fastener, a threaded hole extending in the radial direction is formed in the supporting arm, a positioning groove or a positioning hole extending in the radial direction is formed in one end of the mounting shaft, and the fastener penetrates through the threaded hole and then extends into the positioning groove or the positioning hole.

According to some embodiments of the invention, the rolling element is a needle bearing or a roller.

According to some embodiments of the utility model, the workstation includes the main part and locates panel in the main part, be equipped with on the panel material ejection hole, drive assembly is located the below of panel, drive assembly connect in the main part or on the panel.

According to some embodiments of the utility model, the liftout device includes a plurality of liftout groups, every the liftout group includes at least one the liftout module, it is a plurality of the liftout group is followed the Y axle direction spaced apart distribution of lathe, wherein, at least three the liftout module is the collineation setting not.

According to some embodiments of the utility model, the rolling member is liftable between the position of stretching out and the position of retracting, follows the Y axial is kept away from the direction of the roof beam body of lathe, it is a plurality of liftout group the rolling member is in surpass during the position of stretching out the height of panel increases progressively.

According to some embodiments of the present invention, in a direction away from the beam body in the Y axis direction, a plurality of distances between the protruding position and the retracting position of the rolling member are increased in number, or a plurality of mounting heights of the rolling member are increased in number, or a plurality of outer diameters of the rolling member are increased in number.

According to some embodiments of the invention, the drive assembly comprises: the mounting bracket is connected with the rolling piece; the lifting mechanism is used for driving the mounting bracket to lift; the gasket is arranged between the lifting mechanism and the panel or between the lifting mechanism and the main body, wherein the quantity of the gaskets of the driving assemblies of the plurality of ejection groups is gradually reduced along the direction of the Y-axis away from the beam body of the machine tool.

According to some embodiments of the invention, the drive assembly further comprises: the mounting panel, the mounting panel is connected elevating system with the panel or the main part, the mounting panel has dodges the hole, the installing support wears to locate dodge the hole, the gasket is located the mounting panel with between the elevating system.

According to the utility model discloses the lathe includes according to the utility model discloses the liftout device of lathe.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a left side view of a machine tool according to an embodiment of the present invention, wherein the rolling elements are in an extended position;

fig. 2 is a schematic view of a part of the structure of a machine tool according to an embodiment of the present invention, in which the rolling elements are in a retracted position;

fig. 3 is a schematic structural view of an ejector module of an ejector according to an embodiment of the present invention, wherein the rolling members are in an extended position;

fig. 4 is a cross-sectional view of an ejector module of an ejector device according to an embodiment of the invention, wherein the rolling members are in an extended position;

fig. 5 is a schematic structural diagram of a mounting bracket of an ejection device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a machine tool according to an embodiment of the present invention, wherein six machining areas are included;

fig. 7 is a schematic partial structural view of a machine tool according to an embodiment of the present invention, wherein the panel is not shown and two machining areas are shown;

fig. 8 is a schematic structural diagram of a panel and an ejection device of a machine tool according to an embodiment of the present invention.

Reference numerals:

a liftout device 100; a machine tool 200; a work piece 300;

a work table 10; a panel 11; a topping hole 111; a main body 12; an accommodating groove 121;

a material ejecting group 3; a material ejecting module 2; a drive assembly 20; a mounting shaft 211; a threaded hole 212; a mounting bracket 213; a stepped bore 214; a support arm 215; a connecting plate 216; a lifter 217; a detachable stop mechanism 218; a through hole 219; a lifting mechanism 22; a gasket 23; a mounting plate 24; a relief hole 241; the rolling members 25;

a bed 30; a beam body 40; a longitudinal axis 50; a main shaft 60; a spindle clamp 80; a control button 90.

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 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 exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and 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 first feature" or "a second feature" may include one or more of the features, and "a plurality" means two or more, and the first feature may be "on" or "under" the second feature, and may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature therebetween, and the first feature being "on", "above" and "above" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is higher in level than the second feature.

The following describes the ejector 100 of the machine tool 200 according to an embodiment of the present invention with reference to the drawings.

Referring to fig. 1 to 8, an ejector 100 of a machine tool 200 according to an embodiment of the present invention is disposed on a table 10 of the machine tool 200. The ejector device 100 may comprise an ejector module 2, the ejector module 2 comprising a drive assembly 20 and rolling members 25.

Specifically, the table 10 has a topping hole 111. The rolling member 25 is rotatably connected with the driving assembly 20, and the rolling member 25 can be lifted and lowered by the driving assembly 20. When the rolling member 25 is lifted, the rolling member 25 can pass through the material ejecting hole 111, so that the highest point of the rolling member 25 is higher than the upper surface of the worktable 10, and the rolling member 25 can support a workpiece 300 (such as a circuit board) or a jig, and the rolling member 25 supports the workpiece 300 as an example.

Therefore, after the machining (for example, drilling) of the workpiece 300 is completed, the driving assembly 20 drives the rolling member 25 to ascend so as to jack up the workpiece 300, so that the highest point of the rolling member 25 is higher than the upper surface of the worktable 10 as shown in fig. 1, and then the operator pulls the workpiece 300 to roll the rolling member 25 relative to the driving assembly 20, so that the position of the workpiece 300 is moved, and the position adjustment and the blanking action of the workpiece 300 are realized. After the blanking of the workpiece 300 is completed, the driving assembly 20 drives the rolling member 25 to descend and reset, so that the highest point of the rolling member 25 is lower than the upper surface of the worktable 10 or is flush with the upper surface of the worktable 10 as shown in fig. 2.

In the blanking process, particularly for the machined part 300 with larger size, the rolling part 25 supports and rolls, the position of the machined part 300 is easy to adjust, the working strength of an operator is reduced, time and labor are saved, the production labor cost is reduced, the buckling deformation of the machined part 300 can be effectively avoided, and the machining precision is improved; but also can avoid the friction between the workpiece 300 and the surface of the workbench 10, which is beneficial to improving the product quality; product waste caused by misoperation such as position collision between the machined part 300 and the outer edge of the lathe bed 30 of the machine tool 200 and the like and hand drop of operators is avoided, and production cost is reduced.

According to the utility model discloses liftout device 100 of lathe 200 goes up and down through drive assembly 20 drive roller 25 to make roller 25 rise and can support machined part 300 or tool after passing material ejection hole 111, machined part 300 unloading operation is easier, is favorable to avoiding machined part 300 to warp, wearing and tearing, has improved machining precision and product quality, and is favorable to avoiding causing the product loss because of misoperation.

The following describes the fitting structure of the driving assembly 20 and the rolling members 25 according to some embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 3 to 5, the driving assembly 20 includes a lifting mechanism 22 and a mounting bracket 213, the lifting mechanism 22 is used for driving the mounting bracket 213 to lift, a mounting shaft 211 is disposed on the mounting bracket 213, and the rolling member 25 is rotatably mounted on the mounting shaft 211 to enable the rolling member 25 to rotate smoothly.

In some embodiments, the lifting mechanism 22 is a cylinder, such as an anti-rotation cylinder, for driving the mounting bracket 213 to lift and lower to drive the rolling member 25 to lift and lower. When the anti-rotation cylinder drives the rolling part 25 to ascend and descend, the mounting bracket 213 cannot rotate, the direction accuracy during material rolling is ensured, and the positioning accuracy and the product processing precision of the machined part 300 are further improved. Furthermore, in some embodiments, the cylinder may be replaced with a ram or an electric cylinder, or the like.

The utility model discloses an in some embodiments, installation axle 211 is connected through dismantling stop gear 218 with installing support 213, the dismouting of the last rolling member 25 of installation axle 211 of not only being convenient for, can prevent moreover that installation axle 211 from at the axial float to improve rolling member 25's stability, reduce rolling resistance.

For example, according to some embodiments of the present invention, as shown in fig. 3-5, the mounting bracket 213 includes a connecting plate 216 and two support arms 215, the two support arms 215 being spaced apart, the connecting plate 216 connecting the two support arms 215 to form a generally U-shaped mounting bracket 213. One of the support arms 215 is provided with a through hole 219, and the other support arm 215 is provided with a stepped hole 214 (here, the stepped hole 214 is a through hole penetrating the support arm 215). The installation axle 211 passes butt behind through-hole 219 in shoulder hole 214, to carry out tentatively spacing at axial and footpath through shoulder hole 214 to installation axle 211, and still be equipped with on the support arm 215 and dismantle stop gear 218, can dismantle stop gear 218 and be used for preventing installation axle 211 axial float, in order to realize the fixed of installation axle 211, and be favorable to improving the stability of rolling member 25, reduce rolling resistance, make things convenient for the rolling member 25 dismouting, and need not jump ring or round pin structure, moreover, the steam generator is simple in structure, firm in connection.

In some embodiments, as shown in fig. 3 to 5, the detachable limiting mechanism 218 may include a threaded fastener, a threaded hole 212 is disposed inside one end of the mounting shaft 211 abutting against the stepped hole 214, the threaded hole 212 extends in the axial direction of the mounting shaft 211, the fastener passes through the stepped hole 214 and is installed in the threaded hole 212, a bottom wall of the stepped hole 214 is clamped between a head of the fastener and one end of the mounting shaft 211, so as to axially fix the mounting shaft 211, prevent the mounting shaft 211 from axially shifting, and prevent the fastener from easily falling off.

In other embodiments, can dismantle stop gear 218 can include threaded fastener, be equipped with the screw hole on the support arm 215, the screw hole is along the radial extension of installation axle 211, the one end of installation axle 211 is equipped with the constant head tank or the locating hole of radial extension, the fastener is worn to locate and is stretched into in constant head tank or the locating hole behind the screw hole, through the fastener and the lateral wall cooperation of the lateral wall of screw hole and constant head tank or locating hole, can realize the axial fixity of installation axle 211, prevent that the installation axle 211 axial float is effectual, and the fastener is difficult for droing.

According to some embodiments of the present invention, as shown in fig. 3 and 4, the rolling member 25 may be a needle bearing, a roller, or the like. The rolling direction of the rolling member 25 is controllable, so that the moving direction of the workpiece 300 is controllable when the workpiece 300 is pushed or pulled (i.e., rolled), and the position of the workpiece 300 is conveniently adjusted.

In some embodiments of the present invention, as shown in fig. 1, fig. 2, and fig. 6-fig. 8, the working table 10 includes a main body 12 and a panel 11 disposed on the main body 12, the panel 11 is provided with a material ejecting hole 111, the driving assembly 20 is disposed below the panel 11, and the driving assembly 20 is connected to the main body 12 or the panel 11 to fix the driving assembly 20. The ejector device 100 includes a plurality of ejector groups 3 (two or more), and the plurality of ejector groups 3 are provided corresponding to the machining area of the machine tool 200, in other words, the plurality of ejector groups 3 are provided corresponding to the spindle 60 of the machine tool 200. In an embodiment where the machine tool 200 includes a plurality of machining areas, the plurality of machining areas are distributed along the X-axis direction of the machine tool 200, and a plurality of the ejector groups 3 may be provided for each machining area.

Each topping group 3 comprises at least one topping module 2, wherein in an embodiment in which the topping group 3 comprises a plurality of topping modules 2, the plurality of topping modules 2 are distributed at intervals along the X-axis direction of the machine tool 200 (e.g. the left-right direction as shown in fig. 7). The plurality of ejection groups 3 are distributed at intervals along the Y-axis direction (e.g., the front-rear direction shown in fig. 7) of the machine tool 200 to support the workpiece 300 in a wider range from the blanking direction, so that blanking is easier, and the effect of preventing the workpiece 300 from deforming and colliding is better.

In addition, in the plurality of ejection groups 3, at least three ejection modules 2 are arranged in a non-collinear manner, and the at least three ejection modules 2 in the non-collinear manner can define a plane to provide stable support for the workpiece 300.

It should be noted that the number of the ejection groups 3 corresponding to each processing area and the number of the ejection modules 2 in each ejection group 3 may be flexibly set according to actual situations. For example, as shown in fig. 1, 6 and 7, the two ejector groups 3 corresponding to each processing area are distributed along the X-axis direction, and each ejector group 3 includes three ejector modules 2 distributed along the Y-axis direction, so that each processing area corresponds to six ejector modules 2 arranged in a rectangular shape. For another example, each processing area corresponds to two ejector groups 3, each ejector group 3 includes two ejector modules 2, and thus each processing area corresponds to four ejector modules 2 arranged in a rectangular shape. For another example, two ejection groups 3 corresponding to each processing area may be provided, where one ejection group 3 includes one ejection module 2, and the other ejection group 3 includes two ejection modules 2, and the three ejection modules 2 are arranged in a triangle. Of course, the arrangement of the ejection modules 2 corresponding to each processing region includes, but is not limited to, only needs to satisfy the requirement of providing stable support for the workpiece 300.

According to some embodiments of the present invention, as shown in fig. 1, 2 and 8, the rolling member 25 is liftable between the extended position and the retracted position, in the direction away from the beam 40 of the machine tool 200 in the Y-axis direction, and the height of the rolling member 25 exceeding the panel 11 increases when the plurality of ejector groups 3 are in the extended position. It should be noted that in the embodiment where the topping group 3 comprises a plurality of topping modules 2, the rolling members 25 of the plurality of topping modules 2 of the same topping group 3 are at equal heights above the panel 11.

Thus, the workpiece 300 is placed on the plurality of rolling members 25 to form a small-angle slope, and the end of the workpiece 300 close to the operator is higher than the end far from the operator. The operator can push and pull the workpiece 300 along the direction of the inclined plane, and blanking is easier. Moreover, the operator can take the workpiece 300 more conveniently, the pulling direction of the workpiece 300 is upward, the tail end of the workpiece 300 can be prevented from touching the outer edge of the lathe bed 30 of the machine tool 200, and waste of products is avoided.

In some embodiments, the distance between the extended position and the retracted position of the rolling members 25 of the plurality of topping sets 3 increases in the direction away from the beam 40 in the Y axis direction, in other words, the moving strokes of the plurality of rolling members 25 are different and increase in the direction away from the beam 40 in the Y axis direction. Thus, the height of the plurality of rollers 25 in the extended position increases in a direction away from the beam 40 in the Y-axis direction beyond the panel 11 for the same installation height of the topping modules 2.

In some embodiments, the mounting height of the plurality of rolling members 25 increases in the direction away from the beam body 40 along the Y-axis; or the outer diameters of the plurality of rolling members 25 increase in a direction away from the beam body 40 in the Y-axis direction. Thus, with a fixed travel of the rolling members 25, the height of the plurality of rolling members 25 in the extended position above the face plate 11 increases in the direction away from the beam 40 in the Y-axis direction.

In some embodiments, as shown in fig. 3-5, drive assembly 20 includes a mounting bracket 213, a lift mechanism 22, and a spacer 23. The mounting bracket 213 is connected to the rolling member 25, the elevating mechanism 22 is used to drive the mounting bracket 213 to move up and down, and the spacer 23 is disposed between the elevating mechanism 22 and the panel 11 or between the elevating mechanism 22 and the main body 12. And, along the direction that the Y axle is far away from the beam body 40, the number of the gaskets 23 of the driving assemblies 20 of the plurality of liftout groups 3 is decreased progressively, so that the distance between the lifting mechanism 22 and the panel 11 is decreased progressively, or the distance between the lifting mechanism 22 and the main body 12 is decreased progressively, and further when the mounting bracket 213 is lifted to the extending position with a certain lifting stroke, the height of the plurality of rolling members 25 exceeding the panel 11 is increased progressively.

For example, in the example shown in fig. 1, 2 and 8, each machining area corresponds to three topping sets 3, and the drive assemblies 20 of the three topping sets 3 include two, one and zero shims 23 in the direction of the Y axis away from the beam 40.

Further, as shown in fig. 2 to 4, the driving assembly 20 further includes a mounting plate 24, the mounting plate 24 connects the lifting mechanism 22 and the panel 11, or connects the lifting mechanism 22 and the main body 12, the mounting plate 24 has an avoiding hole 241, and the mounting bracket 213 is inserted into the avoiding hole 241 for lifting. The gasket 23 is arranged between the mounting plate 24 and the lifting mechanism 22 or between the mounting plate 24 and the main body 12 to fix the gasket 23, the structure of the driving assembly 20 is simpler, and the connecting structures of the driving assemblies 20 and the panel 11 or the main body 12 can be the same, which is beneficial to reducing the cost.

According to the utility model discloses lathe 200 includes according to the utility model discloses the liftout device 100 of embodiment. Because according to the utility model discloses liftout device 100 has above-mentioned profitable technological effect, consequently according to the utility model discloses lathe 200, go up and down through drive assembly 20 drive roller 25 to make roller 25 rise and can support machined part 300 or tool after passing material ejection hole 111, machined part 300 unloading operation is easier, is favorable to avoiding machined part 300 to warp, wearing and tearing, has improved machining precision and product quality, and is favorable to avoiding causing the product loss because of misoperation.

The machine tool 200 according to one embodiment of the present invention is described in detail below with reference to the accompanying drawings, it being understood that the following description is illustrative only and should not be taken as limiting the invention.

As shown in fig. 1, 2, 6-8, the machine tool 200 includes a bed 30, a beam 40, a table 10, and six processing areas, where the six processing areas are distributed along an X-axis direction of the beam 40, each processing area is correspondingly provided with a longitudinal axis (or a Z-axis) 50, a spindle clamp 80, a spindle 60, and three ejector groups 3, the three ejector groups 3 are distributed along a Y-axis direction, each ejector group 3 includes two ejector modules 2 distributed along the X-axis direction, and each ejector module 2 includes a driving assembly 20 and a rolling member 25.

The table 10 includes a main body 12 and a panel 11. The beam 40 is mounted to the bed 30, the longitudinal shaft 50 is mounted to the beam 40, and the spindle clamp 80 is mounted to the longitudinal shaft 50 and is configured to hold the spindle 60. The spindle 60 is used to machine a workpiece 300 fixed to the panel 11. The main body 12 is an integral long platform for all spindles 60 and may also include multiple, independent small platforms. The main body 12 is movable in the Y-axis direction, and the main shaft 60 is movable in the Z-axis direction and the X-axis direction. The main body 12 is installed on the lathe bed 30 and located at the front side of the beam body 40, the panel 11 is arranged above the main body 12, the main body 12 is provided with an accommodating groove 121 for accommodating the driving assembly 20, the driving assembly 20 is connected with the panel 11, and the main body 12 does not support the driving assembly 20, so that when the panel 11 is uncovered, the material ejecting module 2 can be taken out together, and the installation and the disassembly are convenient.

As shown in fig. 3 to 5, the driving assembly 20 includes a lifting mechanism 22 and a mounting bracket 213, the lifting mechanism 22 is a rotation-preventing cylinder, and the mounting bracket 213 is connected to a lifting rod 217 of the rotation-preventing cylinder. The rolling member 25 is installed on the installation axle 211, and the installation axle 211 is installed on the installing support 213, and the machined part 300 is the circuit board, and the circuit board is directly placed on the rolling member 25, get when putting the operation person only need on the rolling member 25 slide can, need not to lift whole circuit board and lay labour saving and time saving.

In order to prevent the mounting shaft 211 from moving in the axial direction, a threaded hole 212 extending in the axial direction is formed in one end of the mounting shaft 211, a through hole 219 and a stepped hole 214 are formed in each of the two support arms 215 of the mounting bracket 213, the mounting shaft 211 passes through the through hole 219 and then abuts against one end of the mounting shaft 211 in the stepped hole 214, a threaded fastener passes through the stepped hole 214 and is mounted in the threaded hole 212, and the mounting shaft 211 is fixed to the support arms 215 of the mounting bracket 213, so that a roller structure convenient to mount and dismount is formed, and a clamp spring or a pin structure is not required. The drive assembly 20 further includes a mounting plate 24, the mounting plate 24 being mounted on the panel 11. The mounting plate 24 is detachably connected with the spacers 23, and the number of the spacers 23 between the mounting plate 24 and the lifting mechanism 22 can be used for adjusting the mounting height of the mounting plate 24. In the direction of moving away from the beam body 40 along the Y axis, the ejector modules 2 of the three ejector groups 3 respectively comprise two gaskets 23, one gasket 23 and no gasket 23, so that the heights of the rolling members 25 of the ejector modules 2 of the three ejector groups 3 are increased progressively.

When the blanking operation is carried out, an operator can open the control button 90, the material ejecting module 2 is opened through the electromagnetic valve, the rolling part 25 is driven by the driving assembly 20 to ascend to the extending position and be higher than the surface of the panel 11, the circuit board is ejected out by the material ejecting module 2, the circuit board is placed on the rolling part 25 to form a small-angle inclined plane, and the operator pulls out the circuit board to the front side along the guide of the rolling part 25, so that the blanking action can be realized.

Other configurations and operations of the machine tool 200 and the ejector 100 according to embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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.

In the description herein, references to the description of the terms "embodiment," "specific embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. An ejector device of a machine tool, arranged on a table of the machine tool, the table having an ejector hole, characterized in that the ejector device comprises:

the ejection module comprises a driving assembly and a rolling piece, the rolling piece is rotatably connected with the driving assembly and is suitable for being driven by the driving assembly to lift, and when the rolling piece lifts, the rolling piece is suitable for penetrating through the ejection hole to support a workpiece or a jig.

2. The ejection device of the machine tool according to claim 1, wherein the driving assembly comprises a lifting mechanism and a mounting bracket, the lifting mechanism is used for driving the mounting bracket to lift, a mounting shaft is arranged on the mounting bracket, and the rolling member is rotatably mounted on the mounting shaft.

3. The jacking device of a machine tool according to claim 2, wherein the mounting bracket comprises two supporting arms arranged at intervals and a connecting plate for connecting the two supporting arms, through holes and stepped holes are formed in the two supporting arms respectively, the mounting shaft passes through the through holes and abuts against the stepped holes, and a detachable limiting mechanism for preventing the mounting shaft from axially shifting is further arranged on the supporting arms.

4. The ejection device of the machine tool according to claim 3, wherein the detachable limiting mechanism comprises a threaded fastener, an axially extending threaded hole is formed in the mounting shaft abutting against one end of the stepped hole, and the fastener is mounted in the threaded hole through the stepped hole; or, the detachable limiting mechanism comprises a threaded fastener, a threaded hole extending in the radial direction is formed in the supporting arm, a positioning groove or a positioning hole extending in the radial direction is formed in one end of the mounting shaft, and the fastener penetrates through the threaded hole and then extends into the positioning groove or the positioning hole.

5. The topping device of claim 1 wherein said rolling elements are needle bearings or rollers.

6. The ejection device of the machine tool according to claim 1, wherein the worktable comprises a main body and a panel arranged on the main body, the panel is provided with the ejection hole, the driving assembly is positioned below the panel, and the driving assembly is connected to the main body or the panel.

7. The ejector device of claim 6, comprising a plurality of ejector groups, each of said ejector groups comprising at least one of said ejector modules, said plurality of ejector groups being spaced apart along the Y-axis of said machine tool, wherein at least three of said ejector modules are not arranged in a line.

8. The ejector device of claim 7, wherein said rollers are liftable between an extended position and a retracted position, the height of said rollers of a plurality of said ejector groups above said face plate increasing in said extended position in the direction of said Y axis away from the beam of said machine tool.

9. The ejector device of claim 8, wherein the distance between said extended position and said retracted position of said plurality of rollers increases in a direction away from said beam body in said Y-axis direction, or the mounting height of said plurality of rollers increases, or the outer diameter of said plurality of rollers increases.

10. The jacking device of a machine tool according to claim 7, wherein said driving assembly comprises:

the mounting bracket is connected with the rolling piece;

the lifting mechanism is used for driving the mounting bracket to lift;

a spacer provided between the elevating mechanism and the panel or between the elevating mechanism and the main body, wherein,

and the quantity of the gaskets of the driving assemblies of the plurality of the ejection groups is decreased progressively along the direction of the Y axis away from the beam body of the machine tool.

11. The ejector device of claim 10, wherein said drive assembly further comprises:

the mounting panel, the mounting panel is connected elevating system with the panel or the main part, the mounting panel has dodges the hole, the installing support wears to locate dodge the hole, the gasket is located the mounting panel with between the elevating system.

12. A machine tool characterized by comprising the ejector device of the machine tool according to any one of claims 1 to 11.

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