CN210966997U - An automatic feeding device for CNC lathes - Google Patents

Abstract

The utility model relates to the technical field of numerically controlled lathes, in particular to an automatic feeding device for numerically controlled lathes. A chip groove, one side of the chip removal groove is provided with a material receiving hole, one side of the top of the material receiving hole is provided with a matching cover plate, and the bottom of the hole of the material receiving hole is provided with two opposite and The screw guide rails have the same rotation direction, one end of the two screw guide rails is provided with a belt drive assembly, one side of the belt drive assembly is provided with a driving device, and one side of the screw guide rail is provided with a door-shaped moving seat One side of the movable seat is provided with an electric telescopic rod extending out of the material receiving hole. Through the improvement of the utility model, the production cost is effectively reduced, the surface quality of the workpiece is protected during material receiving, and the utility model is strong and suitable for promotion.

Description

An automatic feeding device for CNC lathes

technical field

The utility model relates to the technical field of lathe processing, in particular to an automatic feeding device for a numerically controlled lathe.

Background technique

CNC lathe is one of the more commonly used processing equipment in hardware processing. Common shafts, discs and even block-shaped parts blanks in mechanical parts can be turned by turning. The feeding structure is one of the important components of CNC lathes. At present, the CNC lathes used in the factory have basically realized automatic feeding or feeding, which saves labor costs and processing efficiency to a certain extent. In the common feeding methods, the feeding groove is used for feeding, and since there is no separate chip removal groove, the waste during turning is also discharged into the feeding groove, causing the waste and the workpiece to be mixed together. For relatively precise workpieces, this method of splicing will cause certain damage to the surface of the workpiece and affect the processing quality; at the same time, it needs to be removed manually, which takes a certain amount of man-hours and is prone to safety accidents. Therefore, the utility model proposes an automatic feeding device for a numerically controlled lathe to solve the above problems.

Utility model content

The purpose of the utility model is to solve the disadvantage of mixing waste chips during material receiving in the prior art, and proposes an automatic material receiving device for a numerically controlled lathe.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An automatic feeding device for CNC lathes is designed, including a main body of a CNC lathe, a cutting knife for cutting the workpiece is arranged on one side of the main shaft of the main body of the lathe, and a side opposite to the cutting knife is provided on the main body of the lathe. There is a slope type chip removal groove, one side of the chip removal groove is provided with a rectangular material receiving hole, the top side of the material receiving hole is provided with a matching cover plate, and the bottom of the hole of the material receiving hole is provided with a matching cover plate. There are two opposite lead screw guide rails with the same rotation direction, one end of the two lead screw guide rails is provided with a belt drive assembly, one side of the belt drive assembly is provided with a driving device, and one side of the lead screw guide rail is provided with a belt drive assembly. There is a matching door-shaped movable seat, one side of the movable seat is provided with an electric telescopic rod extending out of the material receiving hole, and the top of the electric telescopic rod is provided with a self-clamp matched with the cutting knife A push block is provided on one side of the telescopic part of the electric telescopic rod, a matching block is provided on the bottom of the cover plate, and a side of the lathe body opposite to the lead screw guide rail is provided with a fixing block. One side of the fixed plate is provided with a pushing cylinder, the end of the piston rod of the pushing cylinder is provided with a discharge plug that matches the workpiece, and the bottom side of the material receiving hole is also provided with an inclined surface Feeder board.

Preferably, one end of the chip removal groove is provided with a collection box for collecting waste chips, one side of the collection box is provided with an induced draft fan, and both sides of the chip removal groove are provided with a plurality of rectangular wind tunnel holes .

Preferably, the self-clamping assembly includes an installation tube fixed to one end of the electric telescopic rod, a spacer is arranged inside the installation tube, and symmetrical L-shaped clamp arms are arranged on both sides of the spacer , a return spring is arranged between the clamping arm and one side of the spacer.

Preferably, the drive device adopts a deceleration motor, and both the deceleration motor and the electric telescopic rod are provided with a power source matching them.

The utility model proposes an automatic feeding device for a numerically controlled lathe, which has the beneficial effects that the parts are cut off by the setting of the cutting knife on the device, and the cut workpiece can be taken out by the setting and cooperation of the self-clamping components It is clamped between the clamping arms, lowered to the bottom of the material receiving hole through the electric telescopic rod, and the workpiece is pushed to the material receiving plate by the setting and cooperation of the material pushing cylinder and the material pushing plug, so as to realize the simultaneous efficiency of automatic material receiving. Higher, because the chip flute is set on a slope, and through the setting and cooperation of the wind tunnel and the induced draft fan, the waste is quickly discharged into the collection box under the action of the flowing air during processing, and the separation of the waste and the workpiece is realized. , Through the setting of the cover plate, the waste material will not flow into the material receiving hole, and the overall surface damage will not be caused to the workpiece during the material connection, which improves the production quality, and at the same time does not need to be sorted, saves manpower, and is suitable for promotion.

Description of drawings

1 is a schematic structural diagram of an automatic feeding device for a numerically controlled lathe proposed by the utility model;

FIG. 2 is a schematic cross-sectional view of an automatic feeding device for a numerically controlled lathe proposed by the utility model;

FIG. 3 is a schematic side sectional structure diagram of an automatic feeding device for a numerically controlled lathe proposed by the utility model.

In the figure: lathe main body 1, cutting knife 2, chip removal groove 3, collection box 31, induced draft fan 32, wind tunnel hole 33, material receiving hole 4, cover plate 41, screw guide 5, movable seat 6, belt drive assembly 7. Drive device 71, electric telescopic rod 8, self-clamping assembly 9, installation tube 91, spacer block 92, clamping arm 93, return spring 94, push block 10, combination block 11, fixed plate 12, pusher cylinder 13, Discharge plug 14, receiving plate 15.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, an automatic feeding device for a CNC lathe includes a CNC lathe main body 1, a cutting knife 2 for cutting the workpiece is provided on one side of the main shaft of the lathe main body 1, and one side of the cutting knife 2 is provided with The cutting cylinder, the lathe main body 1 is provided with a slope-type chip removal groove 3 on the opposite side of the cutting knife 2, and the two sides of the chip removal groove 3 are provided with equidistant and equally divided rectangular wind tunnel holes. The side is provided with a rectangular material receiving hole 4, and the top side of the material receiving hole 4 is provided with a matching cover plate 41. The cover plate 41 is connected to one side of the material receiving hole through a damping hinge. The hole of the material receiving hole 4 The bottom of the mouth is provided with two opposite lead screw guide rails 5 with the same rotation direction, one end of the two lead screw guide rails 5 is provided with a belt drive assembly 7, and the belt drive assembly 7 includes two pulleys and matching toothed transmission belts, One side of the belt drive assembly 7 is provided with a drive device 71 , one side of the screw guide 5 is provided with a door-shaped movable seat 6 that matches it, and one side of the movable seat 6 is provided with an electric telescopic rod extending out of the material receiving hole 4 8. To realize the adjustment of the height position of the splicing and clamping assembly, the top of the electric telescopic rod 8 is provided with a self-clamping assembly 9 that cooperates with the cutting knife 2 to clamp the cut shaft parts, and the electric telescopic rod 8 A push block 10 is provided on one side of the telescopic part of the cover plate 41, and a matching combination block 11 is arranged at the bottom of the cover plate 41. The push block 10 and the combination block 11 cooperate to lift the cover plate 41, thereby ensuring that waste does not enter Material receiving hole, the side of the lathe body 1 opposite to the screw guide 5 is provided with a fixed plate 12, and one side of the fixed plate 12 is provided with a pushing cylinder 13, so as to push the incoming material to the feeding plate, and the pushing cylinder 13 The end of the piston rod is provided with a discharge plug 14 matching the workpiece, and the bottom side of the material receiving hole 4 is also provided with a sloped material receiving plate 15, and one side of the material receiving plate is provided with an elastic rubber pad to protect the workpiece.

In the present invention, one end of the chip removal groove 3 is provided with a collection box 31 for collecting waste chips, one side of the collection box 31 is provided with an induced draft fan 32, and both sides of the chip removal groove 3 are provided with a number of rectangular wind tunnels With the hole 33, due to the wind tunnel effect, the air flow in the groove will be accelerated, so as to realize the rapid discharge of waste chips.

The self-clamping assembly 9 includes a mounting tube 91 fixed to one end of the electric telescopic rod 8 . A spacer 92 is provided inside the mounting tube 91 , and symmetrical L-shaped clamp arms 93 are provided on both sides of the spacer block 92 . The clamp arms 93 There is a return spring 94 between the spacer 92 and one side of the spacer 92. The drive device 71 adopts a deceleration motor. The deceleration motor and the electric telescopic rod 8 are both provided with a power supply that matches with it. The overall material receiving process can be automated. The material receiving of the workpiece is carried out separately, which reduces the production cost and is suitable for promotion.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Equivalent replacement or modification of the technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (4)

1. An automatic feeding device for a numerically controlled lathe, comprising a numerically controlled lathe main body (1), a cutting knife (2) for cutting a workpiece is provided on one side of the main shaft of the lathe main body (1), characterized in that, The side of the lathe main body (1) opposite to the cutting knife (2) is provided with a slope type chip removal groove (3), and one side of the chip removal groove (3) is provided with a rectangular material receiving hole (4). , the top side of the material receiving hole (4) is provided with a matching cover plate (41), and the bottom of the hole of the material receiving hole (4) is provided with two opposite lead screw guide rails with the same rotation direction (5) One end of the two screw guide rails (5) is provided with a belt drive assembly (7), one side of the belt drive assembly (7) is provided with a drive device (71), and the screw guide rail ( One side of 5) is provided with a matching door-shaped movable seat (6), and one side of the movable seat (6) is provided with an electric telescopic rod (8) extending out of the material receiving hole (4), so The top of the electric telescopic rod (8) is provided with a self-clamping assembly (9) matched with the cutting knife (2), and a push block (10) is provided on one side of the telescopic part of the electric telescopic rod (8). , the bottom of the cover plate (41) is provided with a matching block (11), and the side of the lathe body (1) opposite to the screw guide rail (5) is provided with a fixing plate (12), One side of the fixed plate (12) is provided with a material pushing cylinder (13), and the end of the piston rod of the material pushing cylinder (13) is provided with a discharge plug (14) matching the workpiece, and the material receiving The bottom side of the hole (4) is also provided with a bevel type material receiving plate (15). 2. An automatic feeding device for a numerically controlled lathe according to claim 1, characterized in that, one end of the chip removal groove (3) is provided with a collecting box (31) for collecting waste chips, and the collecting An induced draft fan (32) is arranged on one side of the box (31), and a plurality of rectangular wind tunnel holes (33) are arranged on both side walls of the chip removal groove (3). 3. The automatic feeding device for a CNC lathe according to claim 1, wherein the self-clamping assembly (9) comprises a mounting tube ( 91), a spacer (92) is arranged inside the installation pipe (91), and symmetrical L-shaped clamping arms (93) are provided on both sides of the spacer (92). ) and one side of the spacer (92) is provided with a return spring (94). 4. An automatic feeding device for a numerically controlled lathe according to claim 1, characterized in that the drive device (71) adopts a deceleration motor, and the deceleration motor and the electric telescopic rod (8) are both Equipped with a matching power supply.

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