CN109079555B

CN109079555B - Bar feeding device

Info

Publication number: CN109079555B
Application number: CN201810984142.4A
Authority: CN
Inventors: 潘剑波
Original assignee: Zhenghai Ningbo City Yong Ding Securing Member Manufacturing Co Ltd
Current assignee: Zhenghai Ningbo City Yong Ding Securing Member Manufacturing Co Ltd
Priority date: 2018-08-28
Filing date: 2018-08-28
Publication date: 2020-01-21
Anticipated expiration: 2038-08-28
Also published as: CN109079555A

Abstract

The invention relates to a bar feeding device, which comprises a base, a transmission device, a feeding device, a clamping device and a cutting device, wherein the transmission device is arranged in the base, the feeding device is arranged at the upper part of the base, the clamping device is driven by the transmission device, and the cutting device is connected with the clamping device.

Description

Bar feeding device

Technical Field

The invention relates to the field of feeding devices, in particular to the field of bar feeding devices.

Background

The screw forming machine is a machine for processing and forming rod-shaped fasteners such as bolts, screws and the like, and relates to a rod feeding mechanism which is mainly used for clamping rods to perform procedures such as shearing, feeding and the like.

At present, a manipulator is usually used as a clamping mechanism on a screw forming machine, and the bar is clamped by imitating the action of fingers of a person; however, the manipulator is often complex in structure, inconvenient to control and low in clamping reliability; and the working procedures are not consistent and need manual operation, which greatly wastes labor cost and time cost.

Therefore, how to improve the existing feeding device to overcome the above disadvantages and have the original advantages is a problem to be solved by those skilled in the art.

Disclosure of Invention

The invention mainly aims to provide an automatic bar feeding device which can automatically feed, clamp, cut and loosen bars in a circulating manner.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a bar feeding device comprises a base, a transmission device, a feeding device, a clamping device and a cutting device, wherein the transmission device is arranged inside the base, the feeding device is arranged on the upper portion of the base, the clamping device is driven by the transmission device, the cutting device is connected to the clamping device, the transmission device comprises a driving motor, a gear a, a gear b, a gear c, a gear d, a gear e, a cross machine core, a crank connecting rod mechanism and a sliding block a, the driving motor is fixedly connected to a groove inside the base, the gear a is fixedly connected to a motor shaft of the driving motor, the gear b, the gear c, the gear d and the gear e are respectively connected to the inner wall of the base through respective shafts, the gear a is meshed with the gear b, the gear c is meshed with the gear d, and the crank connecting rod mechanism is fixedly connected to a shaft of the gear b, the cross machine core is fixedly connected to the shaft of the gear c, the gear b drives the gear c through the crankshaft connecting rod mechanism and the cross machine core, the slider a is arranged on the lower side of the gear e, one end of the slider a is connected to the crankshaft connecting rod mechanism, a rack is arranged on the upper surface of the slider a, and the slider a is meshed with the gear e.

As an improvement, the feeding device is arranged on the right side of the clamping device, and the cutting device is arranged on the left side of the clamping device.

As an improvement, material feeding unit includes gear f, action wheel, follows driving wheel, conveyer belt, action wheel, follow driving wheel pass through the hub connection in base upper portion, the action wheel sets up on the right side from the driving wheel, the action wheel passes through the conveyer belt and drives from the driving wheel, gear f connects in the epaxial of action wheel, and gear f drive action wheel rotates.

As an improvement, the clamping device comprises an L-shaped sliding block a, an L-shaped sliding block b, a pressing plate a and a pressing plate b, racks are respectively arranged at the tail ends of the long sides of the L-shaped sliding block a and the L-shaped sliding block b, the L-shaped sliding block a and the L-shaped sliding block b are meshed with a gear e through the racks, the outer side of the short side of the L-shaped sliding block a is connected with the pressing plate a through a spring, and the inner side of the short side of the L-shaped sliding block b is connected with the pressing plate b through a.

As an improvement, the cutting device is a cutting knife which is fixedly connected to the top end of the short side of the L-shaped sliding block b.

Compared with the prior art, the invention has the advantages that: the automatic bar feeding, compressing, cutting and loosening device is simple in structure and convenient to operate, labor is greatly reduced, meanwhile cost of enterprises is saved, circulation of four steps of feeding, compressing, cutting and loosening of long bars is automatically completed through linkage of the transmission device, manual operation is omitted, labor cost is greatly reduced, continuous action circulation greatly increases working efficiency, and the clamping device can enable the bars to be more stable during cutting.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a feeding device driven by a transmission device according to the present invention;

FIG. 3 is a schematic structural diagram of the driving device of the present invention driving the clamping device and the cutting device.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in FIGS. 1-3, one embodiment of the present invention: a rod feeding device comprises a base 1, a transmission device, a feeding device, a clamping device and a cutting device, wherein the transmission device is arranged inside the base 1, the feeding device is arranged on the upper portion of the base 1, the clamping device is driven by the transmission device, the cutting device is connected to the clamping device, the transmission device comprises a driving motor 2, a gear a3, a gear b4, a gear c5, a gear d6, a gear e7, a cross machine core 8, a crank connecting rod mechanism 9 and a sliding block a10, the driving motor 2 is fixedly connected to a cylindrical groove inside the base 1, the gear a3 is fixedly connected to a motor shaft of the driving motor 2, the gear b4, the gear c5, the gear d6 and the gear e7 are respectively connected to the inner wall of the base 1 through respective shafts, the gear a3 is meshed with the gear b4, the gear c5 is meshed with the gear d6, the crank connecting rod mechanism 9 is fixedly connected to a shaft of the gear b4, the cross movement 8 is fixedly connected to a shaft of a gear c5, the gear b4 drives a gear c5 through a crankshaft link mechanism 9 and the cross movement 8, the slider a10 is arranged on the lower side of the gear e7, one end of the slider a10 is connected to the crankshaft link mechanism 9, a rack is arranged on the upper surface of the slider a10, and the slider a10 is meshed with the gear e 7; the feeding device is arranged on the right side of the clamping device, and the cutting device is arranged on the left side of the clamping device.

In order to complete feeding, the feeding device comprises a gear f11, a driving wheel 12, a driven wheel 13 and a conveyor belt 14, wherein the driving wheel 12 and the driven wheel 13 are connected to the upper part of the base 1 through shafts, the driving wheel 12 is arranged at the right side of the driven wheel 13, the driving wheel 12 drives the driven wheel 13 through the conveyor belt 14, the gear f11 is connected to the shafts of the driving wheel 12, and the gear f11 drives the driving wheel 12 to rotate.

In order to automatically clamp the bar, the clamping device comprises an L-shaped slider a15, an L-shaped slider b16, a pressing plate a17 and a pressing plate b18, racks are respectively arranged at the tail ends of the long sides of the L-shaped slider a15 and the L-shaped slider b16, the L-shaped slider a15 and the L-shaped slider b16 are meshed with a gear e7 through the racks, the outer side of the short side of the L-shaped slider a15 is connected with the pressing plate a17 through a spring, and the inner side of the short side of the L-shaped slider b16 is connected with the pressing plate b18 through the spring.

To complete the cut, the cutting device is a cutting knife 19, and the cutting knife 19 is fixedly connected to the top end of the short side of the L-shaped sliding block b 16.

The slider a10 is disposed at the bottom of the groove formed in the base 1, and the long sides of the L-shaped slider a15 and the L-shaped slider b16 are respectively in close contact with the inner wall of the groove formed in the base 1.

The working principle of the invention is as follows: as shown in fig. 1 to 3, the base is used for fixing the transmission device, the feeding device, the clamping device and the cutting device; the driving motor 2 is used as a power source of each device and drives each device to work in a linkage manner; the feeding device is driven by the transmission device, and can feed the bar 20 forward for a fixed length each time for subsequent cutting treatment; the clamping device is driven by the transmission device, can clamp the bar 20 for cutting after the feeding device feeds forward for a fixed length, and automatically releases the bar 20 after being cut, so that the next feeding is facilitated; the cutting device is used to cut the fed rod 20 to provide short rods of a fixed length for the subsequent processing steps.

In addition, the driving motor 2 drives the gear a3 to rotate, the gear a3 drives the gear b4 to rotate, the gear b4 and the gear c5 form a cross movement structure, the gear b4 rotates clockwise, when the gear b4 rotates to the right half-turn, the crank link mechanism 9 drives the belt slider a10 to move rightwards, at the moment, the slider a10 drives the gear e7 to rotate anticlockwise through the rack, the L-shaped slider a15 drives the pressing plate a17 downwards through the spring, the L-shaped slider b16 drives the pressing plate b18 upwards through the spring, the distance between the pressing plate a17 and the pressing plate b18 is increased, the clamping device is released, meanwhile, as the gear b4 rotates clockwise in the right half-turn, the cross movement 8 is driven to rotate anticlockwise for 1/4 turns, the gear c5 rotates simultaneously with the cross movement 8, the driving wheel 12 is meshed with the gear c5 through the gear f11 and the gear d6, when the gear c5 rotates 1/4 turns, the driving wheel 12 rotates for a fixed number of turns, the transmission, the driving wheel 12 drives the conveyor belt 14 to move forward for a fixed distance, namely, the bar 20 is sent forward for a fixed distance; when gear b4 rotates to the left half-turn, the feeding device does not work, gear b4 drives slider a10 to move leftwards through crank link mechanism 9, at this time, gear e7 rotates clockwise, L-shaped slider a15 drives pressing plate a17 to move upwards through a spring, L-shaped slider b16 drives pressing plate b18 to move downwards through a spring, the distance between pressing plate a17 and pressing plate b18 is reduced, the clamping device clamps tightly, the bar is locked and fixed with pressing plate a17 and pressing plate b18, cutting knife 19 is fixed at the top end of the short side of L-shaped slider b16, after pressing plate b18 is fixed, L-shaped slider b16 continues to move downwards, the cutting knife 19 is driven to continue to move downwards while the clamping force is increased until the cutting of bar 20 is completed, then, the cutting knife 20 resets, the pressing plate is loosened along with the clockwise rotation of gear b4 in the upper half-turn.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rod feeding device, characterized by comprising: the cutting device comprises a base (1), a transmission device, a feeding device, a clamping device and a cutting device, wherein the transmission device is arranged inside the base (1), the feeding device is arranged on the upper part of the base (1), the clamping device is driven by the transmission device, the cutting device is connected to the clamping device, the transmission device comprises a driving motor (2), a gear a (3), a gear b (4), a gear c (5), a gear d (6), a gear e (7), a cross machine core (8), a crank connecting rod mechanism (9) and a sliding block a (10), the driving motor (2) is fixedly connected to a cylindrical groove inside the base (1), the gear a (3) is fixedly connected to a motor shaft of the driving motor (2), and the gear b (4), the gear c (5), the gear d (6) and the gear e (7) are respectively connected to the inner wall of the base (1) through respective shafts, the gear a (3) is meshed with the gear b (4), the gear c (5) is meshed with the gear d (6), the crank link mechanism (9) is fixedly connected to the shaft of the gear b (4), the cross machine core (8) is fixedly connected to the shaft of the gear c (5), the gear b (4) drives the gear c (5) through the crank link mechanism (9) and the cross machine core (8), the slider a (10) is arranged on the lower side of the gear e (7), one end of the slider a (10) is connected to the crank link mechanism (9), the upper surface of the slider a (10) is provided with a rack, and the slider a (10) is meshed with the gear e (7); the feeding device comprises a gear f (11), a driving wheel (12), a driven wheel (13) and a conveying belt (14), wherein the driving wheel (12) and the driven wheel (13) are connected to the upper part of the base (1) through shafts, the driving wheel (12) is arranged on the right side of the driven wheel (13), the driving wheel (12) drives the driven wheel (14) through the conveying belt (14), the gear f (11) is connected to the shafts of the driving wheel (12), and the gear f (11) drives the driving wheel (12) to rotate; the clamping device comprises an L-shaped sliding block a (15), an L-shaped sliding block b (16), a pressing plate a (17) and a pressing plate b (18), racks are respectively arranged at the tail ends of long sides of the L-shaped sliding block a (15) and the L-shaped sliding block b (16), the L-shaped sliding block a (15) and the L-shaped sliding block b (16) are meshed with a gear e (7) through the racks, the outer side of the short side of the L-shaped sliding block a (15) is connected with the pressing plate a (17) through a spring, and the inner side of the short side of the L-shaped sliding block b (16) is connected with the pressing plate b (18) through the.

2. The rod feeding device according to claim 1, wherein: the feeding device is arranged on the right side of the clamping device, and the cutting device is arranged on the left side of the clamping device.

3. A rod feeding device according to claim 2, wherein: the cutting device is a cutting knife (19), and the cutting knife (19) is fixedly connected to the top end of the short side of the L-shaped sliding block b (16).