CN217965861U

CN217965861U - Screw rod anti-sagging mechanical support device of numerical control machine tool

Info

Publication number: CN217965861U
Application number: CN202222545140.XU
Authority: CN
Inventors: 安晓东; 安亮亮; 赵朝霞
Original assignee: Hangzhou Senge Precision Machinery Manufacturing Co ltd
Current assignee: Hangzhou Senge Precision Machinery Manufacturing Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-12-06
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a flagging mechanical support device is prevented to lead screw of digit control machine tool belongs to digit control machine tool technical field. The utility model discloses a workstation, a workstation side fixed mounting has the motor, the output transmission of motor is connected with the lead screw, logical groove has been seted up to the workstation upper surface, it is located the lead screw central authorities to lead to the groove, fixed surface installs a plurality of connecting rods under the workstation, connecting rod bottom fixed mounting has the backup pad, fixed surface installs a plurality of servo electric jar in the backup pad, servo electric jar top fixed mounting has the ball seat, ball seat inner wall rotates and is connected with the support ball, support ball surface and lead screw week side laminating and normal running fit. The utility model discloses prevent that the lead screw middle part tenesmus from warping, the protection lead screw prevents that the work piece from rocking on the lead screw, increases the life of lead screw.

Description

Screw rod anti-sagging mechanical support device of numerical control machine tool

Technical Field

The utility model belongs to the technical field of the digit control machine tool, especially, relate to a flagging mechanical support device is prevented to lead screw of digit control machine tool.

Background

The numerical control machine tool is a numerical control machine tool for short, and is an automatic machine tool with a program control system, the numerical control machine tool can use a large number of screw rods to control the linear movement of a workpiece, the screw rods are the most frequently used transmission elements on tool machinery and precision machinery, and because the numerical control machine tool is large in size, very long screw rods can be frequently used, the central part of the screw rods is not supported, weak deformation can be frequently generated, the middle part of the screw rods is caused to fall and deform, the workpiece is shaken when the screw rods move, the service life of the screw rods is shortened, and the screw rods are easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flagging mechanical support device is prevented to lead screw of digit control machine tool solves prior art lead screw central authorities and does not have the problem of support.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a flagging mechanical support device is prevented to lead screw of digit control machine tool, comprises a workbench, a workstation side fixed mounting has the motor, the output transmission of motor is connected with the lead screw, logical groove has been seted up to the workstation upper surface, lead to the groove and be located under the lead screw central authorities, the support component stretches out logical groove support lead screw, fixed surface installs a plurality of connecting rods under the workstation, connecting rod bottom end fixed mounting has the backup pad, fixed surface installs a plurality of servo electric jar in the backup pad, and the backup pad is located under leading to the groove, servo electric jar top fixed mounting has the ball seat, the rotation of ball seat inner wall is connected with the support ball, support ball surface and lead screw week side laminating and normal running fit, the ejecting ball seat of servo electric jar makes support ball support lead screw not influence the lead screw rotation simultaneously, and the rotatory power of lead screw makes support ball rotate.

Preferably, fixed surface installs a plurality of mounting panels on the workstation, the mounting panel sets up about the lead screw symmetry, the relative surface mounting of mounting panel has photoelectric switch, photoelectric switch includes transmitter and receiver, transmitter and receiver are about the lead screw symmetry, and the transmitter of one side sends laser, and the receiver of opposite side receives laser, can shelter from the transmitter when the work piece removes photoelectric switch department, makes the unable laser of receiving of receiver to judge the work piece position.

Preferably, the photoelectric switches are arranged in a plurality of groups, the photoelectric switches are respectively arranged on the left side, the center and the right side of the supporting ball, and the positions are judged according to different photoelectric switches triggered by a workpiece, so that the lifting of the servo electric cylinder is automatically controlled.

Preferably, workstation lower surface fixed mounting has switch box and control box respectively, switch box and photoelectric switch electric connection, control box respectively with switch box and servo electric cylinder electric connection, the switch box receives each photoelectric switch's signal and transmits for the control box, the control box is again according to the lift of signal control servo electric cylinder.

Preferably, the ball seat and the supporting ball are matched with the through groove in size and in position, so that the supporting ball can extend out of the through groove and tightly support the screw rod.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up logical groove, servo electric jar, ball seat and support ball, servo electric jar can rise the ball seat during use to make the support ball support tight lead screw middle part, play the supporting role to the lead screw, the lead screw rotation can be followed to the ball when rotatory, but by ball seat limiting position, can not influence the rotatory while of lead screw and keep the supporting effect, prevent the deformation of screw middle part tenesmus, the protection lead screw prevents that the work piece from rocking on the lead screw, increase the life of lead screw.

2. The utility model discloses a set up servo electric jar, photoelectric switch, switch box and control box, the work piece moves along the lead screw during use, photoelectric switch sets up and leads to groove both sides and central position, the work piece can shelter from the transmitter at here when arriving at logical groove one side, thereby photoelectric switch judges that the work piece arrives at here, control box receives control servo electric jar after the photoelectric switch signal and descends, it is the work piece and can continue to follow the lead screw and move forward to let out the space, after the work piece passes through, each photoelectric switch receives the laser of transmitter again, control box controls servo electric jar again and raises the ball seat, support the lead screw again, the work piece position can be judged by oneself to this device, the lift of automatic control servo electric jar, do not influence the removal of work piece.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a screw rod sag prevention mechanical support device of a numerical control machine tool of the present invention;

fig. 2 is a schematic view of the lower structure of the screw rod sag prevention mechanical support device of the numerical control machine tool of the present invention;

fig. 3 is a top view of the screw rod sag prevention mechanical support device of the numerical control machine tool of the present invention;

fig. 4 is a front view of the screw rod sag prevention mechanical support device of the numerical control machine tool of the present invention;

fig. 5 is a rear view of the screw rod anti-sagging mechanical support device of the numerical control machine tool of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a work table; 2. a motor; 3. a screw rod; 4. a fixing plate; 5. a through groove; 6. a connecting rod; 7. a support plate; 8. a servo electric cylinder; 9. a ball seat; 10. supporting the balls; 11. mounting a plate; 12. a photoelectric switch; 13. a wire hole; 14. a switch box; 15. a control box; 1201. a transmitter; 1202. a receiver.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements 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.

Please refer to fig. 1-5, the utility model relates to a flagging mechanical support device is prevented to lead screw of digit control machine tool, comprises a

workbench

1, 1 side fixed mounting of workstation has motor 2, the output transmission of motor 2 is connected with lead screw 3, a plurality of line holes 13 have been seted up on the surface of workstation 1, be used for the wiring, logical groove 5 has been seted up to workstation 1 upper surface, logical groove 5 is located under lead screw 3 central authorities, the support component stretches out logical groove 5 and supports lead screw 3, fixed surface installs a plurality of connecting rods 6 under the

workstation

1, 6 bottom fixed mounting of connecting rod have backup pad 7, fixed surface installs a plurality of servo electric jar 8 on the backup pad 7, backup pad 7 is located under

logical groove

5, 8 top fixed mounting of servo electric jar have ball seat 9, ball seat 9 inner wall rotates and is connected with support ball 10, support ball 10 surface and 3 week side laminating and normal running fit of lead screw, 8 ejecting ball seat 9 of servo electric jar makes support ball 10 support lead screw 3 not influence 3 simultaneously and rotate, the rotatory power of lead screw 3 makes support ball 10 rotate.

The other side of the workbench 1 is fixedly provided with a fixing plate 4, and one end of the screw rod 3 far away from the motor 2 is rotatably connected with the fixing plate 4.

The upper surface of the workbench 1 is fixedly provided with a plurality of mounting plates 11, the mounting plates 11 are symmetrically arranged relative to the screw rod 3, the opposite surfaces of the mounting plates 11 are fixed on a photoelectric switch 12, the photoelectric switch 12 comprises an emitter 1201 and a receiver 1202, the emitter 1201 and the receiver 1202 are symmetrical relative to the screw rod 3, the emitter 1201 on one side emits laser, the receiver 1202 on the other side receives the laser, the workpiece moves to the position of the photoelectric switch 12 and can shield the emitter 1201, the receiver 1202 can not receive the laser, and therefore the position of the workpiece is judged.

The photoelectric switches 12 are arranged in a plurality of groups, the photoelectric switches 12 are respectively arranged on the left side, the center and the right side of the supporting ball 10, and the positions are judged according to different photoelectric switches 12 triggered by workpieces, so that the lifting of the servo electric cylinder 8 is automatically controlled.

The lower surface of the workbench 1 is respectively and fixedly provided with a switch box 14 and a control box 15, the switch box 14 is electrically connected with the photoelectric switches 12, the control box 15 is electrically connected with the switch box 14 and the servo electric cylinder 8, the switch box 14 receives signals of the photoelectric switches 12 and transmits the signals to the control box 15, and the control box 15 controls the servo electric cylinder 8 to lift according to the signals.

The ball seat 9 and the supporting ball 10 are matched with the through groove 5 in size and in position, so that the supporting ball 10 can extend out of the through groove 5 to tightly abut against the screw rod 3.

One specific application of this embodiment is: when the device is used, an external power supply is firstly switched on, the device is started, when a workpiece moves from left to right along the screw rod 3, the top end of the workpiece firstly reaches the position of the leftmost photoelectric switch 12, the left, center and right photoelectric switches 12 are sequentially shielded at the moment, a signal is sent out when the left photoelectric switch 12 is shielded, the signal is transmitted to the control box 15 through the switch box 14, the servo electric cylinder 8 is lowered after the control box 15 receives the signal, the ball seats 9 are lowered at the moment, the supporting balls 10 give out space, the workpiece can continuously move rightwards along the screw rod 3 until the bottom end of the workpiece passes through the rightmost photoelectric switch 12, the signal is sent to the control box 15 again, the control box 15 controls the servo electric cylinder 8 to raise each ball seat 9 again, and the supporting balls 10 support the screw rod 3 again.

In the description herein, references to the description of "one embodiment," "an example," "a specific 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.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a flagging mechanical support device is prevented to lead screw of digit control machine tool, includes workstation (1), its characterized in that:

workstation (1) a side fixed mounting has motor (2), the output transmission of motor (2) is connected with lead screw (3), workstation (1) upper surface has been seted up and has been led to groove (5), lead to groove (5) and be located lead screw (3) central authorities under, fixed surface installs a plurality of connecting rods (6) under workstation (1), connecting rod (6) bottom fixed mounting has backup pad (7), fixed surface installs a plurality of servo electricity jar (8) in backup pad (7), servo electricity jar (8) top fixed mounting has ball seat (9), ball seat (9) inner wall rotates and is connected with support ball (10), support ball (10) surface and lead screw (3) week side laminating and normal running fit.

2. The screw rod anti-sagging mechanical support device of the numerical control machine tool according to claim 1, wherein a fixing plate (4) is fixedly installed at the other side of the workbench (1), and one end of the screw rod (3) far away from the motor (2) is rotatably connected with the fixing plate (4).

3. The screw rod anti-sagging mechanical support device of the numerical control machine tool according to claim 1, characterized in that a plurality of mounting plates (11) are fixedly mounted on the upper surface of the worktable (1), and the mounting plates (11) are symmetrically arranged about the screw rod (3).

4. The screw rod sag-resistant mechanical support device of the numerical control machine tool is characterized in that the opposite surface of the mounting plate (11) is fixed with a photoelectric switch (12), the photoelectric switch (12) comprises a transmitter (1201) and a receiver (1202), and the transmitter (1201) and the receiver (1202) are symmetrical about the screw rod (3).

5. The screw rod anti-sagging mechanical support device of the numerical control machine tool according to claim 4, characterized in that the photoelectric switches (12) are provided in several groups, and the photoelectric switches (12) are respectively provided at the left side, the center and the right side of the support ball (10).

6. The screw rod sagging-prevention mechanical support device for the numerical control machine tool according to claim 5, wherein a switch box (14) and a control box (15) are fixedly mounted on a lower surface of the workbench (1), the switch box (14) is electrically connected with the photoelectric switch (12), and the control box (15) is electrically connected with the switch box (14) and the servo electric cylinder (8).

7. The screw rod anti-sagging mechanical support device of the numerical control machine tool according to claim 1, characterized in that the ball seat (9) and the support ball (10) are matched in size and position with the through slot (5).