CN215685258U - Brooch numerical control sharpening and ring folding machine - Google Patents

Abstract

The utility model relates to a brooch numerical control sharpening and ring folding machine, which comprises a workpiece feeding and sharpening device, a ring folding device, a cutting device and a rack, wherein the workpiece feeding and sharpening device comprises: pay-off step motor, lead screw, positive and negative step motor, conveying pipe, play stub bar and sharpening removal cylinder sharpening emery wheel, roll over circle device, include: roll over circle rotating-barrel, rack propulsion cylinder, unload a cylinder and unload a push rod, the cutting device who receives includes: the cutting cylinder is connected with the discharging head through a connecting plate, and the cutter is arranged in front of the steel wire outlet of the discharging head. The utility model has the advantages that the workpiece feeding sharpening device, the ring folding device and the cutting device are arranged, so that the steel wire can automatically feed according to the set length, sharpen and fold the ring automatically, the whole production process is mechanized, the labor is greatly saved, the efficiency is improved by more than five times, the produced parts are standardized, and the product quality is improved.

Description

Brooch numerical control sharpening and ring folding machine

Technical Field

The utility model relates to jewelry production equipment, in particular to a brooch numerical control sharpening and ring folding machine.

Background

The brooch numerical control sharpening and folding machine is used for connecting a pin in the production of jewelry, the pin is called a 9-shaped pin, one end of the pin is provided with a ring, and the other end of the pin is a pointed end. The traditional production adopts manpower to produce step by step, cuts the steel wire into the required length earlier, then grinds the point through the emery wheel, and the other end of steel wire is held the circle after sharpening, and this kind of manual work consumes a large amount of manpowers, and production efficiency is low and the safety pin of production is not standard, influences product quality.

Disclosure of Invention

The utility model aims to solve the problems and provides a numerical control brooch sharpening and ring folding machine.

The technical scheme adopted by the utility model is as follows: a brooch numerical control sharpening and ring folding machine, which comprises a workpiece feeding sharpening device, a ring folding device, a cutting device and a frame,

the piece feeding and sharpening device comprises: the feeding stepping motor is arranged on a feeding bottom plate and connected with a feeding sliding block through the lead screw, the feeding pipe is arranged on the feeding sliding block, a pair of pressing wheels for clamping a steel wire is arranged at the rear end of the feeding pipe, and a synchronous belt pulley is arranged on the outer side of the feeding pipe; the forward and reverse rotation stepping motor is arranged above the feeding pipe, the synchronous belt is connected with the stepping motor through the synchronous driving wheel, and when the forward and reverse rotation stepping motor works, the forward and reverse rotation stepping motor drives the steel wire in the feeding pipe machine pipe to rotate forward and reversely to grind the steel wire; the discharging head is arranged in front of the feeding pipe, a steel wire through hole is formed in the discharging head, and the steel wire through hole is coaxial with the steel wire hole of the feeding pipe; the sharpening device comprises a feeding bottom plate, a sharpening moving cylinder, a guide rail, a lead screw, a forward and reverse rotating stepping motor, a feeding pipe and a discharging head, wherein the sharpening moving cylinder is arranged on one side of the feeding bottom plate and is connected with the feeding bottom plate;

the ring folding device comprises: the device comprises a ring folding rotating pipe, a rack propelling cylinder, a piece unloading cylinder and a piece unloading push rod, wherein a piece unloading push rod hole is formed in the axis of the ring folding rotating pipe; the unloading push rod is arranged in the unloading push rod hole, the unloading cylinder is arranged on the right side of the unloading push rod, and when the unloading cylinder acts, the unloading push rod pushes the unloading push rod to the left side and pushes out the ring folded on the bending fork to the right;

a subject cutting apparatus, comprising: the cutting cylinder is connected with the discharging head through a connecting plate, and the cutter is arranged in front of the steel wire outlet of the discharging head.

The utility model has the beneficial effects that: because the automatic steel wire sharpening machine is provided with the piece feeding sharpening device, the ring folding device and the cutting device, steel wires can be automatically fed according to the set length, sharpened and folded, so that the whole production process is mechanized, the labor is greatly saved, the efficiency is improved by more than five times, the produced parts are standardized, and the product quality is improved.

Drawings

Fig. 1 is a perspective view of one embodiment of the present invention.

Fig. 2 is a perspective view of another embodiment of fig. 1.

Fig. 3 is a schematic view of fig. 2 with the frame removed.

Fig. 4 is a perspective view of fig. 3 from another angle.

Fig. 5 is an exploded perspective view of the main components of fig. 3.

Fig. 6 is a partially enlarged view of fig. 5 at a.

Fig. 7 is a schematic view of fig. 5 from another viewing angle.

Detailed Description

The working process of the utility model is as follows: the first step is: the steel wire is inserted into the feeding pipe 17, the pair of pressing wheels 171 press the steel wire 7, the pressing wheels are one-way bearings, the pressing wheels can only carry the steel wire to move forwards in one direction, and the feeding sliding block is connected with the feeding pipe, so that the feeding stepping motor drives the pressing wheels to move forwards for a certain distance through the lead screw, the distance is the length of the pin, the setting can be carried out through a control program, and the next step is carried out after the feeding action is finished; second step sharpening: forward-rotating and backward-rotating for a moment by a forward-rotating and backward-rotating stepping motor 16 for a moment to sharpen, and drawing the feeding bottom plate 18 to a sharpening grinding wheel 21 by the action of a sharpening moving cylinder 111 during sharpening so that a steel wire contacts the grinding wheel to sharpen; thirdly, cutting the steel wire: the pin is cut into a section by the cutting device 3, the section is the length of the pin material, the front part of the cut steel wire enters the steel wire discharging groove 6, the rear end of the steel wire is arranged on the bending fork 412, and the bending fork rotates to form a loop by the action of the loop folding device; and fourthly, unloading: the piece unloading cylinder 42 acts, the piece unloading push rod 411 pushes the bent pin out of the bending fork, the work of manufacturing one pin is completed, and the subsequent processes are repeated continuously to realize continuous production. As further described below:

as shown in fig. 1 to 7, the present invention includes: sharpening device 1, circle device 4, cutting device 3 and frame 5 are rolled over, send a sharpening device 1, include: the feeding stepping motor 11, the screw rod 110, the forward and reverse rotation stepping motor 16, the feeding pipe 17, the discharging head 112, the sharpening moving cylinder 111 and the feeding bottom plate 18 are arranged on the screw rod, the feeding stepping motor is arranged on the feeding bottom plate 18 and is connected with the feeding sliding block 12 through the screw rod, the stepping motor is used for running according to the length of the pin materials, the feeding pipe is pushed to drive the steel wire to move forwards, and the moving distances of the screw rod are different according to the different pin stepping motors. The feeding sliding block is provided with a feeding pipe 17, the rear end of the feeding pipe is provided with a pair of pressing wheels 171 used for clamping steel wires, the pair of pressing wheels are horizontally arranged and arranged at the inlet ends of the steel wires, the pressing wheels are arranged at two sides of the steel wires and elastically press the steel wires, namely the two pressing wheels are provided with the steel wires elastically exerting force in the direction of the steel wires, and the two pressing wheels are one-way bearings, so that the steel wires can only move forward and cannot retreat. The outside of the feeding pipe is provided with a synchronous belt pulley 13, a forward and reverse rotating stepping motor 16 is arranged above the feeding pipe, a hole on the pipeline of the feeding pipe is a hole for a steel wire to enter, the diameter of the hole is 1-2 times larger than that of the steel wire, the steel wire is compressed due to the action of a pressing wheel, a synchronous belt 14 is connected with the stepping motor through a synchronous driving wheel 15, when the forward and reverse rotating stepping motor works, the forward and reverse rotating stepping motor drives the steel wire in the feeding pipe to rotate forward and reversely, namely, the forward and reverse alternate rotation is the main action for sharpening the steel wire.

The discharging head 112 is arranged in front of the feeding pipe, a steel wire groove 6 is arranged in front of the discharging head, the steel wire groove is arranged on the axial line of the feeding pipe, a steel wire through hole is arranged on the discharging head, the steel wire through hole is a hole through which a steel wire passes, and the steel wire through hole is coaxial with the steel wire hole of the feeding pipe; the sharpening device is characterized in that a sharpening moving cylinder 111 is arranged on one side of a feeding bottom plate and connected with the feeding bottom plate, a guide rail 19 is arranged below the feeding bottom plate, when the sharpening moving cylinder works, a feeding stepping motor, a lead screw, a forward and reverse rotating stepping motor, a feeding pipe and a discharging head on the feeding bottom plate are driven to synchronously move towards a sharpening grinding wheel 21, a sharpening grinding wheel motor 2 is fixed on a rack, when a steel wire in a steel wire through hole on the discharging head moves to one side of the sharpening grinding wheel, the forward and reverse rotating stepping motor drives the steel wire to forward and reverse for a moment to sharpen. Because the grinding wheel is arranged on one side, the position of the grinding wheel is unchanged, and the steel wire can be contacted with the grinding wheel and sharpened only by moving the steel wire. The sharpening moving cylinder is used for moving the steel wire and the associated components together to enable the end of the steel wire to be in contact with the grinding wheel.

The ring folding device 4 comprises: the ring-folding rotary pipe 41, the rack 44, the rack propelling cylinder 43, the piece-unloading cylinder 42 and the piece-unloading push rod 421 are arranged on the axis of the ring-folding rotary pipe, a piece-unloading push rod hole is formed in the axis of the ring-folding rotary pipe, a bending fork 412 is arranged at the left side end of the ring-folding rotary pipe, the bending fork is just two convex cylinders to form a two-tooth fork, the bending fork is arranged in front of a steel wire through hole on a discharge head, and when the ring is required to be folded, a steel wire is just in a gap between two fork rods of the bending fork to be folded into a ring in the rotation process. A gear 411 is arranged at the right side end of the ring folding rotary pipe, a rack 44 is arranged below the gear and meshed with the gear, the rack is connected with a rack propelling cylinder 43, when the rack propelling cylinder acts, the rack drives the ring folding rotary pipe to rotate, a bending fork is positioned at the end of a steel wire during working, and the bending fork rotates to fold the steel wire into a ring; the piece unloading push rod 421 is arranged in the piece unloading push rod hole, the piece unloading cylinder 42 is arranged on the right side of the piece unloading push rod, and when the piece unloading cylinder acts, the piece unloading push rod pushes the piece unloading push rod to the left side and pushes out the bent ring folded upwards from the bending fork to the right. The left end of the unloading push rod is provided with a push piece 413, so that the pin which is just in turn can be pushed out towards the left side and falls into a collection box below.

Subjected to a cutting device 3 comprising: cutting cylinder 31, cutter 32, cutting cylinder passes through the connecting plate and is connected with the ejection of compact head, and the cutter is established the place ahead on the steel wire exit of ejection of compact head.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description of the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims (1)

1. The utility model provides a brooch numerical control sharpen book circle machine which characterized in that: comprises a workpiece feeding and sharpening device (1), a ring folding device (4), a cutting device (3) and a frame (5),

the piece feeding and sharpening device (1) comprises: the steel wire sharpening machine comprises a feeding stepping motor (11), a lead screw (110), a forward and reverse rotation stepping motor (16), a feeding pipe (17), a discharging head (112), a sharpening moving cylinder (111) and a sharpening grinding wheel, wherein the feeding stepping motor is arranged on a feeding bottom plate (18) and is connected with a feeding sliding block (12) through the lead screw, the feeding sliding block is provided with the feeding pipe (17), the rear end of the feeding pipe is provided with a pair of pressing wheels (171) for clamping a steel wire, and the outer side of the feeding pipe is provided with a synchronous belt pulley (13); a forward and reverse rotation stepping motor (16) is arranged above the feeding pipe, a synchronous belt (14) is connected with the stepping motor through a synchronous driving wheel (15), and when the forward and reverse rotation stepping motor works, the forward and reverse rotation stepping motor drives a steel wire in the feeding pipe to rotate forward and reversely for sharpening; the discharging head (112) is arranged in front of the feeding pipe, a steel wire through hole is formed in the discharging head, and the steel wire through hole and the steel wire hole of the feeding pipe are coaxial; the sharpening device comprises a feeding bottom plate, a sharpening moving cylinder (111), a guide rail (19), a guide rail, a lead screw, a forward and reverse rotating stepping motor, a feeding pipe and a discharging head, wherein the sharpening moving cylinder (111) is arranged on one side of the feeding bottom plate and is connected with the feeding bottom plate;

the ring folding device (4) comprises: the device comprises a ring folding rotary pipe (41), a rack (44), a rack propelling cylinder (43), an unloading cylinder (42) and an unloading push rod (421), wherein an unloading push rod hole is formed in the axis of the ring folding rotary pipe, a bending fork (412) is arranged at the left side end of the ring folding rotary pipe and is arranged in front of a steel wire through hole in a discharging head, a gear (411) is arranged at the right side end of the ring folding rotary pipe, the rack (44) is arranged below the gear and is meshed with the gear, the rack is connected with the rack propelling cylinder (43), when the rack propelling cylinder acts, the rack drives the ring folding rotary pipe to rotate, the bending fork is positioned at the end of a steel wire and forks the end when the ring folding rotary pipe works, and the bending fork rotates to enable the end of the steel wire to be folded into a ring; the unloading push rod (421) is arranged in the unloading push rod hole, the unloading cylinder (42) is arranged on the right side of the unloading push rod, and when the unloading cylinder acts, the unloading push rod pushes towards the left side and pushes out the ring folded upwards on the bending fork rightwards;

the cutting device (3) comprises: cutting cylinder (31), cutter (32), cutting cylinder passes through the connecting plate and is connected with the ejection of compact head, and the place ahead on the steel wire exit of cutter setting at the ejection of compact head.

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