CN212094085U

CN212094085U - Sliding block falling prevention device

Info

Publication number: CN212094085U
Application number: CN201922308453.1U
Authority: CN
Inventors: 杨振华; 朱永清
Original assignee: Tianjin Hengxing Mechanical Equipment Co ltd
Current assignee: Tianjin Hengxing Mechanical Equipment Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-12-08
Anticipated expiration: 2029-12-20

Abstract

The utility model provides a device that falls is prevented to slider which characterized in that includes: driving motor, gear box and hob, spindle nut, the cam, a spring, the spiral head driving motor passes through oil tank drive spindle nut, spindle nut rotates the hob that makes its inside threaded connection and moves in vertical direction, when anti-falling device opens, the hob rises to the rising, simultaneously the hob rotates 90, the chucking is in the slider bottom, and simultaneously, driving device is last still to set up first proximity switch and second proximity switch, when the hob rises to the rising, when the hob is close the housing, first proximity switch sends out the instruction, the driving motor chucking. Whether the second proximity switch monitors that the spiral head rotates to the position, and after the spiral head is detected to the position, the cam mechanism at the top of the spiral rod is clamped, so that the stability of the anti-falling device is ensured. In addition, when the sliding block really slides downwards, an oil pressure space is further arranged in the transmission mechanism, and the sliding block is buffered through the damping effect, so that the phenomenon that the falling impact force of the sliding block is too large and the falling-preventing mechanism is damaged is avoided.

Description

Sliding block falling prevention device

Technical Field

The utility model relates to a punching machine field especially relates to a device is prevented falling by slider.

Background

The large-scale sheet metal punching machine needs to ensure that a sliding block on a sliding table is in a locking state during inspection and maintenance, and a sliding block falling prevention device is arranged for ensuring that the sliding block cannot fall in an overhauled picture. Most of the existing anti-falling devices are manually adjusted, the manually adjusted anti-falling devices are suitable for smaller equipment, and the anti-falling devices of large-scale equipment can waste time and labor through manual adjustment.

SUMMERY OF THE UTILITY MODEL

To the problem, an object of the utility model is to provide a device is prevented falling by slider.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides a device that falls is prevented to slider which characterized in that includes: the lifting mechanism comprises a housing, a sleeve and a transmission mechanism inside the sleeve; the driving motor drives the gear box to drive the transmission mechanism to move upwards to clamp the sliding block.

Furthermore, the gear box comprises a first gear, a second gear and a third gear, the output end of the driving motor is connected with the first gear, the first gear is meshed with the second gear, and the third gear is meshed with a spindle nut in the lifting mechanism.

Furthermore, the housing is arranged on the outermost layer, the sleeve is arranged on the inner layer of the housing and fixedly connected with the housing, and the transmission mechanism is arranged inside the sleeve.

Further, the transmission mechanism includes: the lifting mechanism comprises a screw rod, a main shaft nut, a cam, a spring, a screw head and an oil tank, wherein the screw rod penetrates through the lifting mechanism, the top of the screw rod is provided with the cam mechanism, the bottom of the screw rod is fixedly connected with the screw head, and the screw head is vertically connected with the screw rod; the inner side of the spindle nut is in threaded connection with the screw rod, and the outer side of the spindle nut is meshed with a third gear in the gear box and driven by the driving motor; the driving motor drives the screw rod to lift through the spindle nut.

Further, the sleeve is arranged inside the housing, the top and the bottom of the sleeve are fixedly connected with the housing through end covers, the spindle nut is connected with the sleeve bearing, the spindle nut can rotate relatively in the sleeve, and the spindle nut and the sleeve move synchronously in the vertical direction.

Furthermore, an oil pressure space is arranged at the bottom of the sleeve, hydraulic oil is filled in the oil pressure space, and the oil pressure space is communicated with an oil tank; when the main shaft nut moves downwards, the sleeve synchronously moves downwards to press hydraulic oil in the oil pressure space into the oil tank.

Further, the cam mechanism can drive the screw rod to rotate so as to drive the screw head at the bottom of the screw rod to rotate.

Further, a first proximity switch is arranged at the position, close to the end, of the bottom of the housing, and the first proximity switch is a spiral head position detection proximity switch.

Further, a second proximity switch is arranged at the position, close to the end, of the bottom of the housing and faces the direction of the sliding block, and the second proximity switch is a spiral head locking position detection proximity switch.

The utility model has the advantages that:

the utility model discloses in designed a falling equipment is prevented to slider, can be through the driving motor direct drive, labour saving and time saving, wherein, drive mechanism includes: the hob, spindle nut, the cam, a spring, the spiral head driving motor passes through oil tank drive spindle nut, spindle nut rotatory makes its inside threaded connection's hob move in vertical direction, when anti-falling device opens, the hob rises to, simultaneously spiral head rotatory 90, the chucking is in the slider bottom, and simultaneously, drive arrangement is last still to set up first proximity switch and second proximity switch, rise when the hob rises to, when the spiral head is close the housing, first proximity switch gives an instruction, the driving motor chucking. Whether the second proximity switch monitors that the spiral head rotates to the position, and after the spiral head is detected to the position, the cam mechanism at the top of the spiral rod is clamped, so that the stability of the anti-falling device is ensured. In addition, when the sliding block really slides downwards, an oil pressure space is further arranged in the transmission mechanism, and the sliding block is buffered through the damping effect, so that the phenomenon that the falling impact force of the sliding block is too large and the falling-preventing mechanism is damaged is avoided.

Drawings

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

Fig. 1 is a schematic view of the working state of the device for preventing the slide block from falling down.

Fig. 2 is an internal structure diagram of the slide block falling prevention device of the present invention.

Wherein:

1. a drive motor; 2. a gear case; 3. a first gear; 4. a second gear; 5. a third gear;

6. a cam; 7. a spindle nut; 8. a stopper; 9. a sleeve; 10. a housing; 11. an end cap;

12. a spring; 13. an oil tank; 14. an oil pressure space; 15. a second proximity switch; 16. a guide rail;

17. a first proximity switch; 18. a screw rod; 19. a screw head; 20. connecting blocks;

21. a hydraulic cylinder; 22. a pull rod; 23. a slider;

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", 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 simplification of description, but do not indicate or imply that the device or element 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. 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.

1-2, a device for preventing the falling of a slider 23, comprising: the device comprises a driving motor 1, a gear box 2 and a lifting mechanism, wherein the driving motor 1 is connected with the gear box 2, the gear box 2 is connected with the lifting mechanism, and the lifting mechanism comprises a housing 10, a sleeve 9 and a transmission mechanism inside the sleeve 9; the driving motor 1 drives the gear box 2 to drive the transmission mechanism to move upwards to clamp the sliding block 23.

As shown in fig. 2, the gear box 2 includes a first gear 3, a second gear 4, and a third gear 5 therein, the output end of the driving motor 1 is connected to the first gear 3, the first gear 3 is engaged with the second gear 4, and the third gear 5 is engaged with a spindle nut 7 inside the elevating mechanism.

As shown in fig. 2, the casing 10 is disposed at the outermost layer, the sleeve 9 is disposed at the inner layer of the casing 10, and is fixedly connected to the casing 10, and the transmission mechanism is disposed inside the sleeve 9.

Wherein, drive mechanism includes: the lifting mechanism comprises a screw rod 18, a spindle nut 7, a cam 6, a spring 12, a screw head 19 and an oil tank 13, wherein the screw rod 18 penetrates through the lifting mechanism, the top of the screw rod 18 is provided with the cam 6 mechanism, the bottom of the screw rod is fixedly connected with the screw head 19, and the screw head 19 is vertically connected with the screw rod 18; the inner side of the spindle nut 7 is in threaded connection with a screw rod 18, and the outer side of the spindle nut is meshed with a third gear 5 in the gear box 2 and driven by the driving motor 1; the driving motor 1 drives the screw rod 18 to ascend and descend through the spindle nut 7.

The sleeve 9 is arranged inside the housing 10, the top and the bottom of the sleeve 9 are fixedly connected with the housing 10 through end covers 11, the spindle nut 7 is in bearing connection with the sleeve 9, the spindle nut 7 can rotate relatively in the sleeve 9, and the spindle nut 7 and the sleeve 9 move synchronously in the vertical direction.

An oil pressure space 14 is arranged at the bottom of the sleeve 9, hydraulic oil is filled in the oil pressure space 14, and the oil pressure space 14 is communicated with an oil tank 13; when the spindle nut 7 moves downwards, the sleeve 9 moves downwards synchronously, and hydraulic oil in the oil pressure space 14 is pressed into the oil tank 13.

The cam 6 mechanism can drive the screw rod 18 to rotate, so as to drive the screw head 19 at the bottom of the screw rod 18 to rotate.

A first proximity switch 17 is arranged on the bottom of the casing 10 close to the end, and the first proximity switch 17 is a screw head 19 position detection proximity switch.

And a second proximity switch is arranged at the position, close to the end, of the bottom of the housing 10, faces to the direction of the sliding block 23, and is a screw head 19 locking position detection proximity switch.

The working mode is as follows:

the anti-falling working steps comprise: an ascending action, a locking action and a descending action.

In the raising operation, the drive motor 1 is rotated counterclockwise in the relaxed state, the screw 18 is driven to raise by the gear box 2 and the spindle nut 7, and the cam 6 is adjusted to rotate the screw head 19 ninety degrees (to the position shown in fig. 1), whereby the slider 23 can be received.

Locking action: when the first proximity switch 17 detects that the spiral head 19 approaches, and the second proximity switch detects that the spiral head 19 is in place at an angle, the driving motor 1 stops rotating, and the cam 6 is clamped and cannot rotate.

A descending state: the drive motor 1 is rotated clockwise, the screw head 19 is lowered, and the adjustment cam 6 is rotated back to the original position.

The utility model discloses in designed a slider 23 anti-falling equipment, can be through 1 direct drive of CD-ROM drive motor, labour saving and time saving, wherein, drive mechanism includes: the screw rod 18, the spindle nut 7, the cam 6, the spring 12 and the screw head 19 drive motor 1 drive the spindle nut 7 through the oil tank 13, the spindle nut 7 rotates to enable the screw rod 18 in internal threaded connection to move in the vertical direction, when the anti-falling device is opened, the screw rod 18 rises upwards, the screw head 19 rotates 90 degrees, the clamping is performed at the bottom of the sliding block 23, meanwhile, the drive device is further provided with a first proximity switch 17 and a second proximity switch, when the screw rod 18 rises upwards, and the screw head 19 approaches the housing 10, the first proximity switch 17 gives an instruction, and the drive motor 1 is clamped. Whether the spiral head 19 rotates in place or not is monitored by the second proximity switch, and after the spiral head 19 is detected to be in place, the cam 6 mechanism at the top of the spiral rod 18 is clamped, so that the stability of the anti-falling device is ensured. In addition, when the sliding block 23 really slides downwards, the oil pressure space 14 is also arranged in the transmission mechanism, and the damping effect is used for buffering, so that the sliding block 23 is prevented from being damaged due to too large falling impact force of the sliding block 23.

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 utility model provides a device that falls is prevented to slider which characterized in that includes: the lifting mechanism comprises a housing, a sleeve and a transmission mechanism inside the sleeve; the driving motor drives the gear box to drive the transmission mechanism to move upwards to clamp the sliding block.

2. A slider anti-drop arrangement as claimed in claim 1, wherein: the gearbox comprises a first gear, a second gear and a third gear, the output end of the driving motor is connected with the first gear, the first gear is meshed with the second gear, and the third gear is meshed with a spindle nut in the lifting mechanism.

3. A slider anti-drop arrangement as claimed in claim 1, wherein: the housing is arranged on the outermost layer, the sleeve is arranged on the inner layer of the housing and fixedly connected with the housing, and the transmission mechanism is arranged inside the sleeve.

4. A slider anti-drop arrangement as claimed in claim 3, wherein: the transmission mechanism includes: the lifting mechanism comprises a screw rod, a main shaft nut, a cam, a spring, a screw head and an oil tank, wherein the screw rod penetrates through the lifting mechanism, the top of the screw rod is provided with the cam mechanism, the bottom of the screw rod is fixedly connected with the screw head, and the screw head is vertically connected with the screw rod; the inner side of the spindle nut is in threaded connection with the screw rod, and the outer side of the spindle nut is meshed with a third gear in the gear box and driven by the driving motor; the driving motor drives the screw rod to lift through the spindle nut.

5. A slider anti-drop arrangement as claimed in claim 4, wherein: the sleeve is arranged in the housing, the top and the bottom of the sleeve are fixedly connected with the housing through end covers, the spindle nut is connected with the sleeve bearing, the spindle nut can relatively rotate in the sleeve, and the spindle nut and the sleeve synchronously move in the vertical direction.

6. A slider anti-drop arrangement as claimed in claim 5, wherein: an oil pressure space is arranged at the bottom of the sleeve, hydraulic oil is filled in the oil pressure space, and the oil pressure space is communicated with an oil tank; when the main shaft nut moves downwards, the sleeve synchronously moves downwards to press hydraulic oil in the oil pressure space into the oil tank.

7. A slider anti-drop arrangement as claimed in claim 4, wherein: the cam mechanism can drive the screw rod to rotate so as to drive the screw head at the bottom of the screw rod to rotate.

8. A slider anti-drop arrangement as claimed in claim 1, wherein: the bottom of housing is close to and sets up first proximity switch on the tip department, first proximity switch is spiral head position detection proximity switch.

9. A slider anti-drop arrangement as claimed in claim 1, wherein: the bottom of housing is close to and sets up second proximity switch on the tip department, second proximity switch is towards the direction of slider, second proximity switch is spiral head locking position detection proximity switch.