CN221582974U - Feeding mechanism for feeding and discharging device of multiple machine tools - Google Patents

Abstract

The utility model relates to a feeding mechanism for a multi-machine tool feeding and discharging device, which is used for moving bar stocks into a machine tool, and comprises a feeding table for placing bar stocks, wherein the feeding table is provided with a limiting structure, the discharge end of the feeding table is provided with a feeding assembly for transferring the bar stock into the machine tool, and the limiting structure only enables a single bar stock to enter the feeding assembly. According to the utility model, through the arrangement of the limiting structure, only a single bar can enter the feeding assembly, so that the accurate control of the quantity of the bar falling into the feeding assembly is realized.

Description

Feeding mechanism for feeding and discharging device of multiple machine tools

Technical Field

The utility model belongs to the technical field of feeding mechanisms, and mainly relates to a feeding mechanism for a multi-machine tool feeding and discharging device.

Background

At present, due to the continuous development and progress of mechanical manufacturing and processing enterprises, equipment is updated and reformed continuously, in the process of polishing bar stock, the situation of manually conveying the bar stock to a machine tool rarely occurs, and instead, an automatic machine feeding operation mode is adopted, so that the manual operation is realized even in the process of conveying the bar stock to a feeding mechanism.

The Chinese patent application document with the authorized bulletin number of CN216335084U discloses a bar feeder, which comprises a feeding base, a guide plate, a feeding assembly and a pushing assembly, wherein the inclined surface at the upper end of the pushing rod and the guide plate form a V-shaped groove, bars can be clamped in the V-shaped groove and are ejected to the upper end of the guide plate by the pushing rod, then fall onto the pushing assembly from the inclined surface of the guide plate, and are pushed into a processing machine from the pushing assembly, so that automatic feeding is achieved through machinery. The device described in this patent has the following drawbacks: when bar falls to pushing components from the V-arrangement inslot, there is the condition that probably falls into two or more bar simultaneously, and then takes place the wrong phenomenon of material loading, or the device can not control the quantity that the bar falls into the V-arrangement inslot accurately.

Disclosure of utility model

The utility model provides a feeding mechanism for a feeding and discharging device of a multi-machine tool, which aims to solve the problem that the quantity of bars falling into a pushing assembly cannot be accurately controlled in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

The utility model provides a feeding mechanism that unloader used on many lathes for in moving the lathe with the bar, feeding mechanism is including the feeding platform that is used for placing the bar, be equipped with limit structure on the feeding platform, the discharge end of feeding platform is equipped with the feeding assembly that is used for transferring the bar to in the lathe, limit structure only makes a single bar get into on the feeding assembly.

Further, limit structure is including setting firmly the limit strip in the left and right sides of pay-off platform, limit strip includes parallel section and perk section, parallel section is parallel with the mesa of pay-off platform, and the one end of parallel section aligns with the discharge end of pay-off platform, and the perpendicular distance of the lower surface of parallel section to the mesa of pay-off platform is less than twice bar diameter R, and is greater than or equal to bar diameter R.

Further, the other end of the parallel section is connected with the tilting section, and the tilting section and the table top at the feeding end of the feeding table are in a horn mouth shape.

Further, the table top of the feeding table is an inclined surface, and the height of the discharging end of the feeding table is smaller than that of the feeding end of the feeding table.

Further, the limit bar is perpendicular to the axis of the bar placed on the feeding table.

Further, the feeding mechanism further comprises a supporting table provided with a feeding assembly, the feeding assembly comprises a jacking air cylinder fixedly arranged on the supporting table and extending up and down, a jacking piece fixedly arranged at the output end of the jacking air cylinder and a movable grabbing piece fixedly arranged on the jacking piece, the jacking piece is positioned at the discharge end of the feeding table, a storage groove for receiving bars falling from the feeding table is formed in the top of the jacking piece, and the width d of the storage groove in the front-rear extending direction is larger than or equal to the radius R of the bars and smaller than or equal to the diameter R of the bars;

The movable grabbing piece comprises a horizontal pushing air cylinder fixedly arranged on the side face of the jacking piece and extending leftwards and rightwards, a lifting air cylinder fixedly arranged at the output end of the horizontal pushing air cylinder and a clamping jaw air cylinder fixedly arranged at the output end of the lifting air cylinder and extending upwards and downwards, and the clamping jaw air cylinder is used for clamping bars positioned in the storage groove.

Further, the storage groove is a V-shaped groove.

Further, a blocking plate is fixedly arranged at the lower part of the jacking piece, the blocking plate is clung to the discharge end of the feeding table and is used for preventing bars on the feeding table from falling from the lower part of the jacking piece after the jacking piece ascends.

Further, a guide rod penetrating through the supporting table is fixedly arranged on the jacking piece.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, through the arrangement of the limiting structure, only a single bar can enter the feeding assembly, so that the accurate control of the quantity of the bar falling into the feeding assembly is realized.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:

FIG. 1 is a schematic view of the structure of the utility model in use in example 1;

FIG. 2 is an enlarged view of part of FIG. 1 at A in example 1;

FIG. 3 is a left side view of FIG. 1 of example 1;

Fig. 4 is a partial enlarged view of embodiment 1 at B in fig. 3;

FIG. 5 is a left side view of the jacking member;

FIG. 6 is a schematic view of the structure of embodiment 1 according to one view of the present utility model;

FIG. 7 is a front view of the feeding table of example 1;

FIG. 8 is a cross-sectional view at C-C in FIG. 7 of example 1;

FIG. 9 is a front view of the feeding table of example 2;

Fig. 10 is a sectional view of embodiment 2 at D-D in fig. 9.

Reference numerals illustrate:

1. A limit bar; 2. a bar stock; 3. a feeding table; 4. a machine tool; 5. a jacking member; 6. a guide rod; 7. jacking the air cylinder; 8. a connecting piece; 9. a support table; 10. a feed hole; 11. a horizontal pushing cylinder; 12. a connecting plate; 13. a lifting cylinder; 14. a clamping jaw cylinder; 15. a linear bearing; 16. a blocking plate; 17. a table top; 18. parallel sections; 19. a tilting section; 20. a vertical plate; 21. a limit groove; 22. parallel grooves; 23. horn mouth groove.

Detailed Description

The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. 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.

Various non-limiting embodiments of the utility model are described in detail below. Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.

Example 1

Referring to fig. 1-8, a feeding mechanism for a multi-machine feeding and discharging device is used for moving a bar 2 into a machine tool 4, a feeding hole 10 is formed in the side surface of the machine tool 4, and the bar 2 enters the machine tool 4 from the feeding hole 10. The feeding mechanism comprises a feeding table 3 for placing the bar 2, a table top 17 of the feeding table 3 is an inclined surface, the height of the discharging end of the feeding table 3 is smaller than that of the feeding end of the feeding table 3, and the feeding mechanism has a height difference, so that the bar 2 can be automatically rolled down under the action of gravity of the feeding mechanism when the last bar 2 is taken away, and no additional power component is needed.

Be equipped with limit structure on the pay-off platform 3, limit structure includes to set firmly the spacing 1 in pay-off platform 3 left and right sides through connecting piece 8, and there is a spacing 1 respectively in pay-off platform 3 left and right sides, and spacing 1 is perpendicular with the bar 2 axis of placing on pay-off platform 3, and spacing 1 of being convenient for carries out spacingly to bar 2 like this.

The stop bar 1 comprises a parallel section 18 and a raising section 19, the parallel section 18 is parallel to the table top 17 of the feeding table 3, one end of the parallel section 18 is aligned with the discharge end of the feeding table 3, the vertical distance from the lower surface of the parallel section 18 to the table top 17 of the feeding table 3 is smaller than twice the diameter R of the bar 2, but the vertical distance needs to be larger than or equal to one bar 2 diameter R, which is arranged so that the bar 2 can roll between the feeding table 3 and the stop bar 1 when the bar 2 can be put between them. The other end of the parallel section 18 is connected with a tilting section 19, the tilting section 19 and a table top 17 at the feeding end of the feeding table 3 are in a horn mouth shape, and the horn mouth shape is convenient for a bar 2 to be put between the feeding table 3 and the limiting strip 1. The edges of the whole limiting strip 1 are required to be rounded, so that the bar 2 is prevented from being scratched when the bar 2 is placed on the feeding table 3.

The limit structure in this embodiment can accurately only make a single bar 2 enter into the feeding assembly.

As shown in fig. 1-6, the discharging end of the feeding table 3 is provided with a feeding component for transferring the bar 2 into the machine tool 4, the feeding mechanism further comprises a supporting table 9, the upper surface of the supporting table 9 is provided with a feeding component, the feeding component is located at the discharging end of the feeding table 3, the feeding component is closely attached to the discharging end of the feeding table 3, after the bar 2 rolls down from the discharging end of the feeding table 3, the bar 2 can be timely picked up, the feeding component comprises a jacking cylinder 7 fixedly arranged on the supporting table 9, a jacking piece 5 fixedly arranged at the output end of the jacking cylinder 7 and a movable grabbing piece fixedly arranged on the jacking piece 5, the jacking cylinder 7 vertically extends, the jacking cylinder 7 can vertically move the jacking piece 5, two ends of the jacking piece 5 are fixedly provided with guide rods 6, linear bearings 15 corresponding to the positions of the guide rods 6 are mounted on the supporting table 9, and the two guide rods 6 penetrate through the supporting table 9 respectively through the linear bearings 15, so that guiding is facilitated.

The jacking piece 5 is located the discharge end of pay-off platform 3, and the thing groove of putting that is used for getting bar 2 that falls from pay-off platform 3 is seted up at the top of jacking piece 5, put the thing groove and extend along the direction that the jacking piece 5 left and right sides extends, and put the rear side that the thing groove runs through jacking piece 5 to make bar 2 can directly fall into put the thing inslot. The bottom of the storage groove is concave inwards, so that the bar 2 can be stably placed in the storage groove, and the bar 2 is prevented from shaking when moving in a lifting manner and rolls down from the storage groove.

The width d of the storage groove in the front-rear extending direction is larger than or equal to the radius R of the bar 2, and the width d of the storage groove in the front-rear extending direction is smaller than or equal to the diameter R of the bar 2. The storage groove can be a V-shaped groove, a semicircular groove or a semi-elliptic groove. Wherein, put thing inslot still can install a detector, this detector is used for detecting whether there is bar 2 to fall into the thing inslot of putting of jacking piece 5, when detecting that there is bar 2 to fall into putting the thing inslot, jacking cylinder 7 starts, makes jacking piece 5 rise.

The lower part of the jacking piece 5 is fixedly provided with a blocking plate 16, the blocking plate 16 and the jacking piece 5 are integrally formed, the blocking plate 16 is tightly attached to the discharge end of the feeding table 3, and the blocking plate is used for preventing the bar 2 on the feeding table 3 from falling from the lower part of the jacking piece 5 after the jacking piece 5 ascends.

The movable grabbing piece comprises a flat pushing cylinder 11 fixedly arranged on the side face of the jacking piece 5, a lifting cylinder 13 fixedly arranged at the output end of the flat pushing cylinder 11 and extending up and down, and a clamping jaw cylinder 14 fixedly arranged at the output end of the lifting cylinder 13, wherein the output end of the flat pushing cylinder 11 can stretch left and right along the extending direction of the jacking piece 5 so as to push the lifting cylinder 13 to move left and right, a connecting plate 12 can be fixedly arranged at the output end of the flat pushing cylinder 11, the connecting plate 12 extends to the upper side of the jacking piece 5, a lifting cylinder 13 is fixedly arranged at the position of the connecting plate 12 above the jacking piece 5, the output end of the lifting cylinder 13 moves in the up and down direction, and then a clamping jaw cylinder 14 is fixedly arranged at the output end of the lifting cylinder 13, and the output end of the clamping jaw cylinder 14 faces downwards so that the clamping jaw cylinder 14 can clamp a bar 2 positioned in a storage groove. Compared with the stacking component described in the CN216335084U, the movable grabbing component is compact in structure and small in occupied space.

According to the application, by arranging the limiting structure, the vertical distance from the lower surface of the parallel section 18 to the table top 17 of the feeding table 3 is ensured to be smaller than twice the diameter R of the bar 2, but the vertical distance is required to be larger than or equal to the diameter R of one bar 2, so that only one bar 2 can enter the feeding assembly, and the accurate control of the quantity of the bar 2 falling into the feeding assembly is realized.

The working process of the utility model is as follows:

The bar 2 is put into the feeding table 3 through manpower or a machine, the bar 2 can only fall into the storage groove of the jacking piece 5 under the action of the limiting bar 1 each time, other bar 2 can roll on the inclined feeding table 3 under the action of self gravity, and at the moment, the blocking plate 16 on the jacking piece 5 can prevent the bar 2 from rolling down from the feeding table 3. Then the lifting cylinder 13 enables the clamping jaw cylinder 14 to descend to a proper height to clamp the bar 2, after clamping, the lifting cylinder 13 is the clamping jaw cylinder 14 to ascend, then the flat pushing cylinder 11 enables the clamping jaw cylinder 14 to move towards the feeding hole 10 of the machine tool 4, when the flat pushing cylinder 11 reaches the limit stroke of the flat pushing cylinder, the clamping jaw cylinder 14 can put down the bar 2, the flat pushing cylinder 11 is reset, and then the bar 2 is clamped again to move until the bar 2 is fed into the machine tool 4.

Example 2

As shown in fig. 9-10, the difference between the present embodiment and embodiment 1 is that the limiting structure in the present embodiment is a limiting groove 21, the left and right sides of the feeding table 3 are fixedly provided with vertical plates 20 extending back and forth, the inner sides of the vertical plates 20 on the left and right sides are all provided with limiting grooves 21, the limiting grooves 21 include parallel grooves 22 and flare grooves 23 connected with the parallel grooves 22, the parallel grooves 22 are located at the discharge end of the feeding table 3, the upper and lower groove surfaces of the parallel grooves 22 are parallel to each other, the flare grooves 23 face the feeding end of the feeding table 3, and the groove width of the parallel grooves 22 is smaller than twice the diameter R of the bar 2, but is greater than or equal to the diameter R of the bar 2.

The bar 2 to be processed is placed into the limiting groove 21, and the limiting grooves 21 on the vertical plates 20 on the left side and the right side form limiting supports of the bar 2.

Example 3

The difference between this embodiment and embodiment 1 is that the limit structure in this embodiment is the limit cover, the limit cover is installed at pay-off platform 3, form the enclosure to pay-off platform 3, wherein the pan feeding end and the discharge end position of pay-off platform 3 all need be at limit cover upper shed, make things convenient for pan feeding and ejection of compact, the opening of pay-off platform 3 pan feeding end does not have the requirement, make things convenient for bar 2 entering can, but the opening of pay-off platform 3 discharge end, the height of the upper and lower extending direction of open-ended is less than twice bar 2 diameter R, but need be greater than or equal to a bar 2 diameter R, the width of the left and right extending direction of opening needs be greater than or equal to the length of bar 2, this bar 2 that falls into on to the top lift piece 5 at every turn only can be one, the accurate control to bar 2 quantity that falls into has been realized.

Example 4

The difference between this embodiment and embodiment 1 is that the movable gripping member in this embodiment may be a three-dimensional sliding table module, and a mechanical gripper is disposed on a working end of the three-dimensional sliding table module to grip the bar 2, so as to move into the machine tool 4.

From the foregoing description of the present specification, it will be further understood by those skilled in the art that terms such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate an azimuth or a positional relationship, are based on the azimuth or the positional relationship shown in the drawings of the present specification, are for convenience only in explaining aspects of the present utility model and simplifying the description, and do not explicitly or implicitly refer to devices or elements having to have the specific azimuth, be constructed and operate in the specific azimuth, and thus the azimuth or positional relationship terms described above should not be interpreted or construed as limitations of aspects of the present utility model.

In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.

Claims (8)

1. The feeding mechanism for the multi-machine tool feeding and discharging device is used for moving the bar stock (2) into the machine tool (4), and comprises a feeding table (3) for placing the bar stock (2), and is characterized in that a limiting structure is arranged on the feeding table (3), a feeding assembly for moving the bar stock (2) into the machine tool (4) is arranged at the discharging end of the feeding table (3), and only a single bar stock (2) enters the feeding assembly through the limiting structure;

Limit structure is including setting firmly limit strip (1) in pay-off platform (3) left and right sides, limit strip (1) include parallel section (18) and perk section (19), parallel section (18) are parallel with mesa (17) of pay-off platform (3), and the one end of parallel section (18) aligns with the discharge end of pay-off platform (3), and the perpendicular distance of the mesa (17) of parallel section (18) to pay-off platform (3) is less than twice bar (2) diameter R, and is greater than or equal to bar (2) diameter R.

2. The feeding mechanism for the multi-machine tool feeding and discharging device according to claim 1, wherein the other end of the parallel section (18) is connected with the tilting section (19), and the tilting section (19) and a table top (17) at the feeding end of the feeding table (3) are in a horn shape.

3. The feeding mechanism for the multi-machine tool feeding and discharging device according to claim 2, wherein the table top (17) of the feeding table (3) is an inclined surface, and the height of the discharging end of the feeding table (3) is smaller than that of the feeding end of the feeding table (3).

4. A feeding mechanism for a multi-machine tool loading and unloading apparatus according to any one of claims 1-3, wherein the limit bar (1) is perpendicular to the axis of the bar (2) placed on the feeding table (3).

5. The feeding mechanism for the multi-machine tool feeding and discharging device according to claim 1, wherein the feeding mechanism further comprises a supporting table (9) provided with a feeding assembly, the feeding assembly comprises a lifting air cylinder (7) fixedly arranged on the supporting table (9) and extending up and down, a lifting piece (5) fixedly arranged at the output end of the lifting air cylinder (7) and a movable grabbing piece fixedly arranged on the lifting piece (5), the lifting piece (5) is positioned at the discharging end of the feeding table (3), a placement groove for receiving a bar (2) falling from the feeding table (3) is formed in the top of the lifting piece (5), and the width d of the placement groove in the front-back extending direction is larger than or equal to the radius R of the bar (2) and smaller than or equal to the diameter R of the bar (2);

The movable grabbing piece comprises a horizontal pushing air cylinder (11) fixedly arranged on the side face of the jacking piece (5) and extending leftwards and rightwards, a lifting air cylinder (13) fixedly arranged at the output end of the horizontal pushing air cylinder (11) and extending upwards and downwards, and a clamping jaw air cylinder (14) fixedly arranged at the output end of the lifting air cylinder (13) and extending upwards and downwards, wherein the clamping jaw air cylinder (14) is used for clamping a bar (2) positioned in the storage groove.

6. The feeding mechanism for a multi-machine tool feeding and discharging device as recited in claim 5, wherein said storage groove is a V-shaped groove.

7. The feeding mechanism for the multi-machine tool feeding and discharging device according to claim 5, wherein a blocking plate (16) is fixedly arranged at the lower part of the jacking piece (5), the blocking plate (16) is tightly attached to the discharging end of the feeding table (3) and is used for preventing a bar (2) on the feeding table (3) from falling from the lower part of the jacking piece (5) after the jacking piece (5) ascends.

8. Feeding mechanism for a multi-machine tool loading and unloading device according to any one of claims 5-7, characterized in that the lifting member (5) is fixedly provided with a guide rod (6) penetrating through the supporting table (9).