CN221247355U - Workbench pressing device of exchange workbench cutting machine - Google Patents

Abstract

The utility model discloses a workbench compacting device of an exchange workbench cutting machine, which comprises a lathe bed, a first workbench, a second workbench, an exchange driving device, a support, a driving cylinder, a follow-up seat, a first tensioning hook and a second tensioning hook, wherein the first workbench and the second workbench are both in sliding connection with the lathe bed, the first workbench is positioned above the second workbench, the exchange driving device drives the first workbench and the second workbench to do alternate translational movement, the support is arranged at the end part of the lathe bed, the driving cylinder is arranged on the support and is vertically arranged, the follow-up seat is arranged at the tail end of an extension rod of the driving cylinder, the first tensioning hook is arranged on the first workbench, the second tensioning hook is arranged on the second workbench, a guide mechanism is arranged between the follow-up seat and the support, and a first clamping wheel capable of being clamped into the first tensioning hook and a second clamping wheel capable of being clamped into the second tensioning hook are arranged on the follow-up seat. According to the workbench pressing device of the exchange workbench cutting machine, two workbenches are pressed and fixed through one air cylinder, and the number of components is reduced.

Description

Workbench pressing device of exchange workbench cutting machine

Technical Field

The utility model relates to the technical field of laser cutting machine equipment, in particular to a workbench pressing device of an exchange workbench cutting machine.

Background

The laser cutting machine has the advantages of high cutting precision, small cutting seam, good cutting quality, limitation of cutting patterns and the like, thereby replacing the traditional metal cutting equipment and being widely applied to the processing industries of metal materials and the like.

In order to improve the cutting operation efficiency, the laser cutting machine adopts a double-workbench exchange processing mode. In the working process, one workbench is in a machining state, the other workbench is in a loading and unloading state, however, vibration can be generated during loading and unloading of the workbench, so that the workbench for machining a product can also generate vibration, and the machining precision of the machined product is affected.

Currently, in order to ensure the machining precision of a machined product, a laser cutting machine having an exchange table is generally provided with a pressing device, and the vibration of the table is avoided by locking the position of the table during machining. For example, patent document CN202020855376.1 discloses a laser cutting machine exchange workbench, specifically discloses a locking positioning device, which includes a first positioning block and a second positioning block fixed at the ends of the first workbench and the second workbench respectively, a positioning mounting seat fixed on the frame, a first positioning cylinder and a second positioning cylinder which are arranged on the positioning mounting seat and correspond to the first positioning block and the second positioning block respectively, and a positioning rod connected with the ends of the first positioning cylinder and the second positioning cylinder respectively; the locating rod comprises a locating part which is located at the end part of the locating rod and is hemispherical, the first locating block and the second locating block respectively comprise a locating groove which is hemispherical, and the locating part is matched with the locating groove. When the first workbench or the second workbench moves to the processing position, the first positioning cylinder or the second positioning cylinder drives the corresponding connected positioning rod to extend out, so that the positioning part of the positioning rod is clamped into the positioning groove of the first positioning block or the second positioning block to lock the position of the first workbench or the second workbench. Therefore, the locking and positioning device needs to adopt two cylinders to lock the positions of the two work tables respectively, and the use of one cylinder increases the number of the cylinders and the number of gas paths and electrical connection parts matched with the cylinders, so that the equipment cost and the assembly difficulty are correspondingly increased.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of utility model

In view of the above-mentioned shortcomings of the prior art, an object of the present utility model is to provide a table pressing device for a cutting machine with exchange tables, which aims to achieve pressing and fixing of two tables by one cylinder, and reduce the number of components used.

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

The utility model provides a workstation closing device of exchange workstation cutting machine, including the lathe bed, first workstation, second workstation and exchange drive arrangement, first workstation and second workstation all with lathe bed sliding connection, and first workstation is located the second workstation top, exchange drive arrangement drive first workstation and second workstation do alternate translational motion, still including locating the support of lathe bed tip, locate the actuating cylinder of just vertical setting on the support, locate the terminal follow-up seat of actuating cylinder extension rod, locate the first taut hook on the first workstation and locate the second taut hook on the second workstation, be equipped with guiding mechanism between follow-up seat and the support, be equipped with the first draw-in pulley that can block into first taut hook and the second draw-in pulley that can block into second taut hook on the follow-up seat.

The follow-up seat comprises a vertical plate and a transverse plate which are spliced into a T-shaped structure, the first clamping wheel is arranged on the upper portion of the vertical plate, the second clamping wheel is arranged on the lower portion of the vertical plate, and the tail end of an extending rod of the driving cylinder is connected with the transverse plate.

The distance between the first clamping wheel and the second clamping wheel is equal to the distance between the first tensioning hook and the second tensioning hook on the vertical surface.

The guide mechanism comprises a guide block, a vertical plate is provided with a chute extending along the vertical direction, and the guide block is in sliding connection with the chute.

The guide block is provided with a connecting plate, the connecting plate is rotationally connected with a pressing wheel, and the wheel surface of the pressing wheel acts on one side of the vertical plate far away from the first clamping wheel.

The first tensioning hook comprises a first hook seat, a first V-shaped groove is formed in the first hook seat, and a first inclined plate is arranged on one side, away from the first workbench, of the first V-shaped groove; the second tensioning hook comprises a second hook seat, a second V-shaped groove is formed in the second hook seat, and a second inclined plate is arranged on one side, away from the second workbench, of the second V-shaped groove.

The support is provided with a plurality of first waist holes extending towards the direction of the first workbench, and the first waist holes are connected with the lathe bed through screws.

The anti-collision device further comprises two anti-collision seats symmetrically arranged on the lathe bed, wherein each anti-collision seat is provided with a first collision block corresponding to the first workbench position and a second collision block corresponding to the second workbench position, and one anti-collision seat is provided with a first travel switch for detecting the first workbench position and a second travel switch for detecting the second workbench position.

Each anti-collision seat is provided with a plurality of second waist holes extending towards the direction of the first workbench, and the second waist holes are connected with the lathe bed through screws.

The beneficial effects are that:

According to the workbench pressing device of the exchange workbench cutting machine, the driving cylinder is vertically arranged to drive the follow-up seat to do lifting movement, so that the first clamping wheel positioned on the follow-up seat can be clamped into the first tensioning hook and the second clamping wheel can be clamped into the second tensioning hook, the first workbench and the second workbench are pressed and fixed, and the pressing effect is good and the stability is high; and the number of the air cylinders is reduced, the number of the air circuits and the accessories for electric connection can be correspondingly reduced, and the equipment cost and the assembly difficulty are reduced.

Drawings

Fig. 1 is a block diagram of a first table compressed by a table compressing apparatus of an exchange table cutting machine according to the present utility model.

Fig. 2 is an enlarged view at a of fig. 1.

Fig. 3 is a block diagram of a second table compressed by the table compressing apparatus of the exchange table cutting machine according to the present utility model.

Fig. 4 is a block diagram of an anti-collision seat in a workbench pressing device of an exchange workbench cutting machine.

Description of main reference numerals: the machine tool 1, the first table 2, the first tightening hook 21, the first hook seat 211, the first V-shaped groove 212, the first sloping plate 213, the second table 3, the second tightening hook 31, the second hook seat 311, the second V-shaped groove 312, the second sloping plate 313, the exchange driving device 4, the support 5, the first waist hole 51, the driving cylinder 6, the follower seat 7, the first clamping wheel 71, the second clamping wheel 72, the vertical plate 73, the chute 731, the transverse plate 74, the guide mechanism 8, the guide block 81, the connecting plate 82, the pinch roller 83, the anti-collision seat 9, the first striker 91, the second striker 92, the first travel switch 93, the second travel switch 94, and the second waist hole 9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a workbench pressing device of a cutting machine with an exchange workbench, which comprises a lathe bed 1, a first workbench 2, a second workbench 3 and an exchange driving device 4, wherein the first workbench 2 and the second workbench 3 are both in sliding connection with the lathe bed 1, the first workbench 2 is positioned above the second workbench 3, and the exchange driving device 4 drives the first workbench 2 and the second workbench 3 to perform alternate translational movement; the workbench pressing device of the exchange workbench cutting machine further comprises a support 5 arranged at the end part of the lathe bed 1, a driving cylinder 6 which is arranged on the support 5 and is vertically arranged, a follower seat 7 which is arranged at the tail end of a stretching rod of the driving cylinder 6, a first tensioning hook 21 which is arranged on the first workbench 2 and a second tensioning hook 31 which is arranged on the second workbench 3, wherein a first clamping wheel 71 which can be clamped into the first tensioning hook 21 and a second clamping wheel 72 which can be clamped into the second tensioning hook 31 are arranged on the follower seat 7 between the follower seat 7 and the support 5, and a guide mechanism 8 is arranged on the follower seat 7.

When the device is used, the exchange driving device 4 drives the first workbench 2 or the second workbench 3 to move to the cutting station of the lathe bed 1, namely, the first tensioning hook 21 moves to the lower part of the first clamping wheel 71 or the second tensioning hook 31 moves to the lower part of the second clamping wheel 72, the telescopic rod of the driving air cylinder 6 is retracted to drive the follower seat 7 to move downwards, so that the first clamping wheel 71 is clamped into the first tensioning hook 21 or the second clamping wheel 72 is clamped into the second tensioning hook 31 to lock the position of the first workbench 2 or the second workbench 3, and compared with the prior art, the device can adopt one driving air cylinder 6 to lock the position of the first workbench 2 and the second workbench 3, and can save the use of one air cylinder, and the use of an air circuit and electric fittings connected with the air cylinder.

The above-mentioned middle exchange driving device 4 drives the first workbench 2 and the second workbench 3 to alternately translate to the cutting station of the lathe bed 1 is in the prior art, and the specific structure and working principle are not repeated.

The first tightening hook 21 and the second tightening hook 31 are located at the intermediate position of the end of the first table 2 and the intermediate position of the end of the second table 3, respectively, to improve the stability of the compression of the first table 2 and the second table 3.

In a preferred embodiment, referring to fig. 2, 3 and 4, the follower seat 7 includes a riser 73 and a transverse plate 74 that are spliced into a T-shaped structure, the first catch wheel 71 is disposed on an upper portion of the riser 73, the second catch wheel 72 is disposed on a lower portion of the riser 73, the end of the extension rod of the driving cylinder 6 is connected to the transverse plate 74, by the above arrangement, the extension rod of the driving cylinder 6 extends or retracts to drive the first catch wheel 71 and the second catch wheel 72 to perform a synchronous lifting motion, and when the first tightening hook 21 is located below the first catch wheel 71, the first catch wheel 71 can be caught in the first tightening hook 21, or when the second tightening hook 31 is located below the second catch wheel 72, the second catch wheel 72 can be caught in the second tightening hook 31.

Further, the distance between the first catch wheel 71 and the second catch wheel 72 is equal to the distance between the first tightening hook 21 and the second tightening hook 31 on the vertical surface, so that the position of the extension rod of the driving cylinder 6 after each extension is the same and the position of the extension rod after each retraction is the same, the first catch wheel 71 can be just caught in the first tightening hook 21, or the second catch wheel 72 can be just caught in the second tightening hook 31, and when the extension rod of the driving cylinder 6 is in the extension state, the first workbench 2 moves to the cutting station of the machine body 1, and the second catch wheel 72 does not interfere with the bottom of the first tightening hook 21. Specifically, the driving cylinder 6 is a cylinder with a magnetic switch, and the position of the extending rod of the driving cylinder 6 after extending and the position after retracting can be accurately controlled.

In order to ensure that the follower seat 7 moves up and down along the vertical direction, referring to fig. 2, 3 and 4, the guiding mechanism 8 includes a guiding block 81, a vertical plate 73 is provided with a sliding groove 731 extending along the vertical direction, the guiding block 81 is slidably connected with the sliding groove 731, the thickness of the guiding block 81 is matched with the width of the sliding groove 731, and the guiding block 81 is slidably connected with the sliding groove 731 to limit the moving direction of the vertical plate 73, so as to avoid the vertical plate 73 from shaking left and right during the lifting process.

Further, referring to fig. 4, the guide block 81 is provided with a connecting plate 82, the connecting plate 82 is rotatably connected with a pressing wheel 83, the wheel surface of the pressing wheel 83 acts on the side of the vertical plate 73 far away from the first clamping wheel 71, and through the arrangement, the vertical plate 73 is prevented from being biased to one side after being pressed.

In a preferred embodiment, referring to fig. 2 and 3, the first tightening hook 21 includes a first hook seat 211, a first V-shaped groove 212 is formed on the first hook seat 211, a first sloping plate 213 is disposed on a side of the first V-shaped groove 212 away from the first table 2, and the first sloping plate 213 increases a contact area between the first V-shaped groove 212 and the first clamping wheel 71, so as to ensure that the first clamping wheel 71 can press the first tightening hook 21. Similarly, the second tightening hook 31 includes a second hook seat 311, a second V-shaped groove 312 is formed on the second hook seat 311, a second inclined plate 313 is disposed on a side of the second V-shaped groove 312 away from the second table 3, and the second inclined plate 313 increases a contact area between the second V-shaped groove 312 and the second clamping wheel 72, so as to ensure that the second clamping wheel 72 can press the second tightening hook 31.

Alternatively, the first and second click wheels 71 and 72 may be cam bearing followers that facilitate sliding down the plate surfaces of the first and second inclined plates 213 and 313 to compress the first and second tightening hooks 21 and 31.

It should be noted that, when the metal powder in the cutting process falls into the first inclined plate 213 and the second inclined plate 313, the metal powder slides along the plate surfaces of the first inclined plate 213 and the second inclined plate 313, and the metal powder is not stacked to affect the positioning accuracy.

In a preferred embodiment, referring to fig. 2, the support 5 is provided with a plurality of first waist holes 51 extending toward the first table 2, in this embodiment, preferably, the number of the first waist holes 51 is four, and the four first waist holes 51 are connected with the lathe bed 1 through screws, so as to adjust the installation position of the driving cylinder 6, ensure that the first clamping wheel 71 can be clamped into the first tensioning hook 21, and the second clamping wheel 72 can be clamped into the second tensioning hook 31.

In a preferred embodiment, referring to fig. 1 and 4, the anti-collision device further comprises two anti-collision seats 9 symmetrically arranged on the machine tool body 1, and the support 5 is located between the two anti-collision seats 9. Each anti-collision seat 9 is respectively provided with a first collision block 91 corresponding to the position of the first workbench 2 and a second collision block 92 corresponding to the position of the second workbench 3, and the first collision block 91 and the second collision block 92 are respectively used for limiting the stop positions of the first workbench 2 and the second workbench 3 and avoiding the first workbench 2 or the second workbench 3 from moving beyond the range. A first travel switch 93 for detecting the position of the first workbench 2 and a second travel switch 94 for detecting the position of the second workbench 3 are arranged on one anti-collision seat 9, and when the first travel switch 93 detects the first workbench 2, the first workbench 2 is indicated to move to a cutting station; similarly, when the second travel switch 94 detects the second table 3, it indicates that the second table 3 moves to the cutting station, and this occurs, the extension rod of the driving cylinder 6 retracts to drive the follower seat 7 to make a downward movement.

Further, referring to fig. 4, each anti-collision seat 9 is provided with a plurality of second waist holes 95 extending towards the direction of the first workbench 2, the second waist holes 95 are connected with the lathe bed 1 through screws, and through the arrangement, the installation position of the anti-collision seat 9 can be adjusted, so that the stay position of the first workbench 2 or the second workbench 3 can be adjusted.

The first inclined plate 213 is pressed downwards by the first clamping wheel 71 and is matched with the position limitation of the first workbench 2 by the first collision block 91, so that the horizontal moving direction and the vertical moving direction of the first workbench 2 are limited, the compacting effect of the first workbench 2 is good, the stability is high, and the vibration of the first workbench 2 is effectively avoided; likewise, the second inclined plate 313 is pressed downwards by the second clamping wheel 72 in cooperation with the position limitation of the second workbench 3 by the second collision block 92, so that the horizontal moving direction and the vertical moving direction of the second workbench 3 are limited, the pressing effect of the second workbench 3 is good, the stability is high, and the vibration of the second workbench 3 is effectively avoided.

It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.

Claims (9)

1. The utility model provides a workstation closing device of exchange workstation cutting machine, including the lathe bed, first workstation, second workstation and exchange drive arrangement, first workstation and second workstation all with lathe bed sliding connection, and first workstation is located the second workstation top, exchange drive arrangement drive first workstation and second workstation do alternate translational motion, a serial communication port, still including locating the support of lathe bed tip, locate on the support and the drive cylinder of vertical setting, locate the last follow-up seat of drive cylinder extension rod, locate the first taut hook on the first workstation and locate the second taut hook on the second workstation, be equipped with guiding mechanism between follow-up seat and the support, be equipped with the first block wheel that can block into first taut hook and the second block wheel that can block into second taut hook on the follow-up seat.

2. The table pressing device of the exchange table cutter according to claim 1, wherein the follower seat comprises a vertical plate and a transverse plate which are spliced into a T-shaped structure, the first clamping wheel is arranged on the upper portion of the vertical plate, the second clamping wheel is arranged on the lower portion of the vertical plate, and the tail end of the extending rod of the driving cylinder is connected with the transverse plate.

3. The table pressing device of the exchange table cutter according to claim 1, wherein a distance between the first and second click wheels is equal to a distance between the first and second tightening hooks on a vertical surface.

4. The table compressing apparatus of an exchange table cutter as recited in claim 2, wherein the guide mechanism includes a guide block having a chute extending in a vertical direction formed in the riser, the guide block being slidably coupled to the chute.

5. The table pressing device of the exchange table cutter according to claim 4, wherein the guide block is provided with a connecting plate, a pressing wheel is rotatably connected to the connecting plate, and a tread of the pressing wheel acts on a side of the vertical plate away from the first clamping wheel.

6. The table compressing apparatus of the exchange table cutter as recited in claim 1, wherein the first tightening hook includes a first hook seat, a first V-shaped groove is formed in the first hook seat, and a first inclined plate is provided on a side of the first V-shaped groove away from the first table; the second tensioning hook comprises a second hook seat, a second V-shaped groove is formed in the second hook seat, and a second inclined plate is arranged on one side, away from the second workbench, of the second V-shaped groove.

7. The table pressing device of the exchange table cutter according to claim 1, wherein the support is provided with a plurality of first waist holes extending toward the first table, and the first waist holes are connected with the bed by screws.

8. The table pressing device of the exchange table cutting machine according to claim 1, further comprising two crash-proof seats symmetrically arranged on the machine body, wherein each crash-proof seat is provided with a first crash-proof block corresponding to the first table position and a second crash-proof block corresponding to the second table position, and one crash-proof seat is provided with a first travel switch for detecting the first table position and a second travel switch for detecting the second table position.

9. The table pressing device of the exchange table cutter according to claim 8, wherein each of the anti-collision seats is provided with a plurality of second waist holes extending toward the first table, and the second waist holes are connected with the bed body through screws.