CN219704307U - Automatic feeding and discharging device for large workpiece - Google Patents

Abstract

The utility model relates to the field of automatic feeding and discharging of machine tools, and discloses an automatic feeding and discharging device for large workpieces, which comprises a workbench of a numerical control milling machine, a roller type feeder and an auxiliary feeding device, wherein the auxiliary feeding device comprises bearing rails, pulleys, lifting supporting arms and a material supporting frame, the two groups of bearing rails are arranged on two sides of the workbench in parallel and extend to the lower part of the roller type feeder, the pulleys are arranged on each group of bearing rails, the material supporting frame stretches over and is arranged above the two pulleys, two lifting supporting arms are vertically arranged on each pulley, the extending ends of the lifting supporting arms are detachably connected with the outer wall of the material supporting frame, a row of uniformly arranged supporting ribs are arranged on the material supporting frame, and avoidance grooves matched with the supporting ribs are formed in the workbench. According to the utility model, the auxiliary feeding device is matched with the roller feeder, so that workpieces can be conveniently and automatically placed on the workbench, the process of manually conveying the workpieces is omitted, the labor intensity of manually conveying the workpieces is avoided, and meanwhile, the safety accidents can be prevented.

Description

Automatic feeding and discharging device for large workpiece

Technical Field

The utility model relates to automatic feeding and discharging equipment of a machine tool, in particular to an automatic feeding and discharging device of a large workpiece.

Background

In the numerical control milling machine processing process, the unloading is realized mainly by manual carrying, and the work piece is influenced by the material, its density is high, weight is heavy, adopt manual carrying to waste time and energy, still need many people to carry out the transport operation to the great work piece of size, can increase the human cost of enterprise, still there is the condition that the hand is smooth to cause the work piece to drop simultaneously, in order to solve this condition, present numerical control milling machine part uses automatic feeding equipment, but this kind of automatic feeding equipment is the regular work piece of the batch processing of energy to, for irregular abnormal shape work piece, present automatic feeding equipment then is difficult to satisfy, for this reason, need one kind can adapt to the automatic unloader that goes up of large-scale work piece and lightens workman's intensity of labour.

Disclosure of Invention

The utility model aims to provide the automatic feeding and discharging device for the large workpiece, which is integrated on a numerical control milling machine, and can conveniently finish the automatic feeding and discharging operation of the workpiece, thereby reducing the labor intensity of manpower.

The utility model aims at realizing the following technical scheme:

the utility model provides a unloader in large-scale work piece automation, includes the workstation of numerically controlled fraise machine, sets up the roller feeder of workstation one side and installs the auxiliary feeding device in workstation one side, auxiliary feeding device includes bearing track, coaster, lift bracket and holds in the palm the material frame, the bearing track has two sets of, and two sets of bearing track parallel mount are in the workstation both sides and extend to roller feeder below, all install mobilizable coaster on every bearing track of group, and the ball that drives the coaster and march along the track is installed to bearing track one side, hold in the palm the material frame and span and install in two coasters top, two lift bracket are installed vertically on every coaster, the extension end and the support frame outer wall detachable of lift bracket are connected, install the supporting rib of one row of even setting on the support frame, the workstation is processed and is had the groove of dodging of supporting rib complex, roller interval and the interval adaptation of supporting rib of roller feeder.

An infrared sensor for detecting the position of a workpiece is arranged on the inner wall of the material supporting frame and is connected with a control system of the roller type feeder.

The fixture for fixing the workpiece is arranged on two sides of the workbench and comprises a bidirectional screw rod and inverted L-shaped clamping claws which are connected onto the bidirectional screw rod in a threaded mode, the inner side dimensions of the inverted L-shaped clamping claws are matched with a material supporting frame, and polished rods for supporting the L-shaped clamping claws are arranged on two sides of the bidirectional screw rod.

The automatic feeding and discharging device for the large-sized workpiece has the beneficial effects that:

(1) The auxiliary feeding device is matched with the roller type feeder, so that workpieces can be conveniently and automatically placed on the workbench, the process of manually conveying the workpieces is omitted, the labor intensity of manually conveying the workpieces is avoided, and meanwhile, safety accidents can be prevented;

(2) Through setting up the support material frame, and set up a row of supporting ribs on the support material frame, the interval between the roller type feeder can be avoided to the supporting rib, cooperates with the dodging groove on the workstation at the same time, but support the material frame and sink below the workstation, in order to prevent the support material frame from influencing milling machine processing;

(3) Through the arrangement of the infrared sensor, the workpiece can be moved to the middle of the material supporting frame by using the infrared sensor, so that the center of the workpiece is ensured to be positioned in the middle of the material supporting frame to prevent the workpiece from falling off, and the clamp is ensured to clamp and stabilize the workpiece;

(4) Through setting up the jack catch of falling L type, can make the jack catch avoid holding in the palm the material frame and press from both sides tight work piece to guarantee the stability that the work piece held, and can not influence and hold in the palm the material frame.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic top view of an embodiment of the present utility model.

Fig. 2 is a schematic side view of an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of an auxiliary feeding device according to an embodiment of the present utility model during material taking.

Fig. 4 is a schematic structural diagram of the auxiliary feeding device according to an embodiment of the present utility model during feeding.

Fig. 5 is a schematic side view of a workbench according to an embodiment of the utility model.

Fig. 6 is a schematic side view of a roller feeder according to an embodiment of the present utility model.

Reference numerals: 1. a work table; 11. an avoidance groove; 2. a roller feeder; 3. an auxiliary feeding device; 31. a load-bearing rail; 32. a pulley; 33. lifting the bracket arm; 34. a material supporting frame; 35. a support rib; 36. a ball screw; 4. an infrared sensor; 5. a clamp; 51. a two-way screw rod; 52. a claw; 53. and (5) a polish rod.

Detailed Description

Examples

As shown in fig. 1 to 6, the automatic feeding and discharging device for large workpieces provided in this embodiment includes a workbench 1 of a numerically controlled milling machine, a roller feeder 2 disposed at one side of the workbench 1, and an auxiliary feeding device 3 mounted at one side of the workbench 1, the auxiliary feeding device 3 includes two sets of bearing rails 31, pulleys 32, lifting brackets 33, and a bracket 34, the two sets of bearing rails 31 are mounted in parallel at both sides of the workbench 1 and extend to below the roller feeder 2, each set of bearing rails 31 is mounted with a movable pulley 32, one side of the bearing rails 31 is mounted with a ball screw 36 driving the pulley 32 to travel along the rail, the ball screw can control the travel position of the pulley 32 by screw engagement so as to control the travel distance of the pulley 32, the bracket 34 spans over the two pulleys 32, each pulley 32 is vertically mounted with two lifting brackets 33, the extending end of the lifting bracket arm 33 is detachably connected with the outer wall of the supporting frame 34, a row of uniformly arranged supporting ribs 35 are arranged on the supporting frame 34, the supporting ribs 35 are used for supporting workpieces, the workbench 1 is processed with an avoidance groove 11 matched with the supporting ribs 35, the workpieces can be placed on the workbench 1 through the avoidance groove 11, the supporting frame 34 is immersed into the workbench 1 or below to avoid the influence of the supporting frame 34 on the normal processing of the workpieces, the roller spacing of the roller type feeder 2 is matched with the spacing of the supporting ribs 35, by adopting the design, the supporting frame 34 can be placed under the roller type feeder 2 in the feeding and discharging process, so that the workpieces can be conveniently supported, the rollers of the roller type feeder 2 adopt a roller structure capable of rotating independently, the width of the extending end of the lifting bracket arm 33 is smaller than the gap between the two groups of roller type feeders 2, so as to ensure that the auxiliary feeding device can extend into the roller feeder 2.

In order to ensure the stability of feeding and discharging of the workpiece, as shown in fig. 1, an infrared sensor 4 for detecting the position of the workpiece is installed on the inner wall of the material supporting frame 34, the infrared sensor 4 is connected with a control system of the roller feeder 2, the outline of the outer edge of the workpiece can be measured under the action of the infrared sensor 4, and the workpiece can be moved to the middle part of the material supporting frame 34 by matching with the pulley 32 and the roller feeder 2, so that the stability of feeding and discharging of the workpiece is ensured, the workpiece is ensured to be positioned in the middle part of the workbench 1, and the clamping of the clamp 5 is facilitated.

In order to stably clamp the workpiece after the material supporting frame 34 is taken in the workbench 1, as shown in fig. 2 and 5, the two sides of the workbench 1 are provided with clamps 5 for fixing the workpiece, each clamp 5 comprises a bidirectional screw rod 51 and an inverted L-shaped claw 52 in threaded connection with the bidirectional screw rod 51, one end of the bidirectional screw rod 51 is provided with a servo motor, the inner side of the inverted L-shaped claw 52 is adapted to the material supporting frame 34, the material supporting frame 34 can be effectively avoided when the clamping jaws clamp the workpiece, the workpiece clamping stability is ensured, further, in order to ensure the clamping stability of the claw 52, two sides of the bidirectional screw rod 51 are provided with polish rods 53 for supporting the L-shaped claw 52, and the polish rods 53 can limit the claw 52 so as to prevent the claw 52 from rotating to cause unstable workpiece clamping.

The application method of the utility model is as follows:

firstly, the roller feeder 2 is used for conveying raw materials to be processed, at the moment, the lifting supporting arm 33 stretches out to support the supporting frame 34, then the ball screw 36 drives the supporting frame 34 to move towards the roller feeder 2, after moving to the upper part of the roller feeder 2, the lifting supporting arm 33 drives the supporting frame 34 to descend, the supporting frame 34 is sunk into the roller feeder 2, as shown in fig. 4 and 6, at the moment, the roller feeder 2 conveys a workpiece to the upper part of the supporting frame 34, at the moment, the infrared sensor 4 detects the position of the workpiece, and controls the ball screw 36 and the roller feeder 2 to move the workpiece to the middle part of the supporting frame 34, then the lifting supporting arm 33 stretches out again to jack the workpiece, then the ball screw 36 moves the workpiece towards the workbench 1, after the workpiece moves to the upper part of the workbench 1, the lifting bracket arm 33 is retracted, the material supporting frame 34 is moved downwards into the avoiding groove 11, as shown in fig. 2, 3 and 5, then the lifting bracket arm 33 is separated from the material supporting frame 34, then the bidirectional screw rod 51 rotates to drive the inverted L-shaped claw 52 to clamp the workpiece, the clamping operation of the workpiece is completed, the worker performs operations such as tool setting and processing, and the like, after the processing is completed, the workbench 1 moves to the initial position, the clamp 5 releases the workpiece, the lifting bracket arm 33 jacks up the material supporting frame 34 again, the workpiece is replaced by the roller type feeder 2 in cooperation with the pulley 32, the roller type feeder 2 removes the processed workpiece, and then the next workpiece to be processed is sent to the upper part of the material supporting frame 34, and the steps are repeated for continuous processing.

The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present utility model should be covered in the scope of the present utility model. It should be noted that the structures or components illustrated in the drawings are not necessarily drawn to scale, and that descriptions of well-known components and processing techniques and procedures are omitted so as not to unnecessarily limit the present utility model.

Claims (3)

1. Automatic unloader that goes up of large-scale work piece, its characterized in that: including the workstation of numerically controlled fraise machine, set up the roller feeder in workstation one side and install the auxiliary feeding device in workstation one side, auxiliary feeding device includes bearing track, coaster, lift bracket and holds in the palm the material frame, the bearing track has two sets of, and two sets of bearing tracks parallel mount are in the workstation both sides and extend to roller feeder below, all install mobilizable coaster on every bearing track of group, and the ball that drives the coaster along the track marcing is installed to bearing track one side, hold in the palm the material frame and span and install in two coasters top, vertically install two lift brackets on every coaster, the extension end of lift bracket is with hold in the palm the detachable of material frame outer wall and be connected, hold in the palm and install the supporting rib of a row of even setting on the material frame, the workstation processing has the supporting rib complex dodge groove, roller interval and the interval adaptation of supporting rib of roller feeder.

2. The automatic loading and unloading device for large workpieces according to claim 1, wherein: an infrared sensor for detecting the position of a workpiece is arranged on the inner wall of the material supporting frame and is connected with a control system of the roller type feeder.

3. The automatic loading and unloading device for large workpieces according to claim 1, wherein: the fixture for fixing the workpiece is arranged on two sides of the workbench and comprises a bidirectional screw rod and inverted L-shaped clamping claws which are connected onto the bidirectional screw rod in a threaded mode, the inner side dimensions of the inverted L-shaped clamping claws are matched with a material supporting frame, and polished rods for supporting the L-shaped clamping claws are arranged on two sides of the bidirectional screw rod.