CN114798975A

CN114798975A - Wire rod cutter

Info

Publication number: CN114798975A
Application number: CN202210117429.3A
Authority: CN
Inventors: 张爱民; 杨强
Original assignee: Jiangxi Gandian Electric Co ltd
Current assignee: Jiangxi Gandian Electric Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-07-29

Abstract

The utility model provides a wire rod cutter, belongs to transformer production technical field, including left socle, spool, actuating mechanism and right branch frame, the left socle is fixed on ground, and right branch frame slidable installs on the left socle right side, and the spool is installed between left socle and right branch frame, and actuating mechanism installs on the left socle. The left support comprises a lower support rod and a left shaft hole, the lower support rod is fixed on the ground, the top of the lower support rod is provided with the left shaft hole, and a left baffle is rotatably installed on the left shaft hole. The spool includes left baffle, right baffle and keyway. The driving mechanism comprises a motor, a crank, a pull rod, a rocker, an elastic piece, a ratchet wheel and an angle piece, the motor is connected with the crank through an output shaft, the crank is connected with the pull rod, the pull rod is connected with the rocker, the lower end of the rocker is hinged to the angle piece, the rocker swings back and forth around a hinged point at the bottom of the rocker under the driving of the pull rod, the elastic piece is installed in the middle of the rocker and located above the ratchet wheel, the ratchet wheel is installed on the left baffle and connected with the key groove through a connecting key, and the angle piece is installed on the left support and connected with the rocker upwards.

Description

Wire rod cutter

Technical Field

The invention belongs to the technical field of transformer production, and particularly relates to a wire cutting machine.

Background

The production process of the transformer needs to use a large number of wires, usually, a large number of wires with the same length are needed in the transformer with the same model, and at present, a large amount of repeated labor is carried out on most production fields by using templates and shearing tools to complete the work.

Disclosure of Invention

The present invention provides a wire cutting machine to solve the above problems in the background art.

The technical problem solved by the invention is realized by adopting the following technical scheme:

a wire cutting machine comprises a driving portion, a cutting portion, a transition portion and a control portion.

The driving part comprises a bottom plate, a stand column, a pull rod, a compression spring, rollers and a wire rod, wherein the stand column is arranged above the bottom plate, a pair of rollers are arranged on the stand column, the wire rod penetrates between the two rollers, and the rollers roll to convey the wire rod forwards.

The cutting part comprises a base, a lower cutter, an upper cutter, a pressing block, a guide rod, a second reset spring and a drop hammer, the lower cutter is installed on the base, the upper cutter is installed at the bottom of the pressing block, the pressing block is installed on the base through the guide rod, the guide rod plays a guiding role in the up-and-down movement of the pressing block, the second reset spring is sleeved on the guide rod, and the drop hammer is installed above the pressing block.

The transition portion comprises a base, a vertical rod, a third reset spring and a rocker arm, the vertical rod is arranged on the base, the third reset spring is sleeved on the vertical rod, the rocker arm is sleeved above the third reset spring, the rocker arm is divided into a sleeve portion and a compensation block, the sleeve portion is sleeved on the vertical rod, and the compensation block is located on the side portion above the pressing block.

The control part comprises a support, a transverse groove, a sliding block, a rocker, a push rod, a corner piece and a fourth reset spring, the transverse groove is formed in the support, the sliding block is installed on the transverse groove, the rocker is hinged to the middle of the sliding block, a pushing head is arranged at the bottom of the rocker, the pushing head is located right ahead of the movement of the wire rods, the top of the rocker is hinged to the push rod, the push rod is unstable only hinged to the rocker, at least one sliding support is required to be arranged in the direction of the support close to the cutting part, and the push rod is prevented from dropping downwards. A plurality of through holes are uniformly distributed on the push rod and used for adjusting the hinged position of the rocker.

The top of stand has perpendicular groove, erects the inslot and installs the square, and the square slides from top to bottom in perpendicular inslot, and the pull rod is connected to the square, carries and draws the pull rod and can upwards carry the square to draw, installs pressure spring between square and the perpendicular groove top, and pressure spring overlaps and establishes on the pull rod, and under pressure spring's effect, the square has the trend that compresses tightly downwards all the time, installs a gyro wheel on the square.

Furthermore, the nut is installed on the vertical rod and plays a role in limiting the rocker arm.

Furthermore, the bottom of the compensation block of the rocker arm is provided with an oblique angle, and under the action of the second return spring, the pressing block moves upwards and retracts the rocker arm to the side of the pressing block through the oblique angle.

Furthermore, an angle piece is installed on a support at the rear part of the rocker, a fourth return spring is installed between the angle piece and the pushing head of the rocker, and the pushing head of the rocker always has the tendency of returning backwards under the action of the fourth return spring.

The invention has the beneficial effects that:

the automatic wire cutting machine is used for cutting wires at fixed length in the production process of transformers, is provided with an automatic feeding mechanism which can convey the wires forward far away, and is also provided with an automatic control mechanism which can cut the wires according to the set length, and after the cutting is finished, a plurality of reset springs push each moving part of the whole mechanism to reset, so that the next cutting cycle is started.

Drawings

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

FIG. 2 is a right side view of the present invention;

FIG. 3 is an exploded view of the present invention;

in the figure: 10. the automatic cutting machine comprises a driving part, 11, a bottom plate, 12, a stand column, 13, a vertical groove, 14, a square block, 15, a pull rod, 16, a compression spring, 17, a roller, 18, a wire, 20, a cutting part, 21, a base, 22, a lower cutter, 23, an upper cutter, 24, a press block, 25, a guide rod, 26, a second return spring, 27, a drop hammer, 30, a transition part, 31, a base, 32, a vertical rod, 33, a third return spring, 34, a rocker arm, 40, a control part, 41, a support, 42, a transverse groove, 43, a sliding block, 44, a swing rod, 45, a push rod, 46, a corner piece, 47 and a fourth return spring.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1-3, the wire cutting machine comprises a driving part 10, a cutting part 20, a transition part 30 and a control part 40, wherein the driving part 10 conveys the wire forward, the cutting part 20 cuts the wire, the transition part 30 supplements the stroke of a drop weight 27 of the cutting part 20, the control part 40 controls the length of the wire, and when the length of the wire reaches the required length, the cutting part 20 is automatically controlled to complete the cutting operation of the wire.

The driving part 10 comprises a bottom plate 11, an upright post 12, a vertical groove 13, a block 14, a pull rod 15, a compression spring 16, a roller 17 and a wire 18, the upright post 12 is arranged above the bottom plate 11, the roller 17 is arranged on the upright post 12, certainly, the roller 17 arranged on the upright post 11 needs to be connected with a power source, the vertical groove 13 is arranged above the upright post 12, the block 14 is arranged in the vertical groove 13, the block 14 slides up and down in the vertical groove 13, the block 14 is connected with the pull rod 15, the block 14 can be lifted upwards by the lifting pull rod 15, the compression spring 16 is arranged between the block 14 and the top of the vertical groove 12, the compression spring 16 is sleeved on the pull rod 15, the block 14 always has a downward compression trend under the action of the compression spring 16, the roller 17 is arranged on the block 14, the wire 18 penetrates through the two rollers 17, and the roller 17 rolls to convey the wire 18 forwards.

The cutting part 20 comprises a base 21, a lower cutter 22, an upper cutter 23, a pressing block 24, a guide rod 25, a second reset spring 26 and a drop hammer 27, the lower cutter 22 is installed on the base 21, the upper cutter 23 is installed at the bottom of the pressing block 24, the pressing block 24 is installed on the base 21 through the guide rod 25, the guide rod 25 plays a role in guiding the up-and-down movement of the pressing block 24, the second reset spring 26 is sleeved on the guide rod 25, the upper cutter 23 is located on the upper position all the time under the effect of the second reset spring 26, and the pressing block 24 is pressed downwards until the drop hammer 27. The drop hammer 27 is installed above the pressing block 24, the drop hammer 27 is connected with a set of driving mechanism which reciprocates up and down, and in view of the fact that the mechanism belongs to the common knowledge, the embodiment is not repeated in detail, the lower dead point of the normal reciprocating motion of the drop hammer 27 is not in contact with the pressing block 24, namely, the pressing block 24 cannot be driven to press downwards until the rocker arm 34 is pushed to the lower side of the drop hammer 27, and the dropping hammer 27 presses the pressing block 24 downwards through the rocker arm 34 under the thickness compensation of the rocker arm 34, so that one cutting operation is completed.

The transition portion 30 includes a base 31, a vertical rod 32, a third return spring 33, a rocker arm 34 and a nut 35, the vertical rod 32 is arranged on the base 31, the third return spring 33 is sleeved on the vertical rod 32, the rocker arm 34 is sleeved above the third return spring, and the nut 35 is installed on the vertical rod 32 and plays a role in limiting the rocker arm 34. The rocker arm 34 is divided into a sleeve portion and a compensation block, the sleeve portion is sleeved on the vertical rod 32, the compensation block is located on the side portion above the pressing block 24, when the compensation block is pushed by the push rod 45, the compensation block is located just above the pressing block 24 and has a compensation effect on the stroke of the drop hammer 27, the bottom of the compensation block of the rocker arm 34 is provided with an oblique angle, and under the action of the second return spring 26, the pressing block 24 moves upwards, and the rocker arm 34 is retracted to the side of the pressing block 24 through the oblique angle.

The control part 40 comprises a bracket 41, a transverse groove 42, a sliding block 43, a rocker 44, a push rod 45, a corner piece 46 and a fourth return spring 47, wherein the bracket 41 is provided with the transverse groove 42, the sliding block 43 is installed on the transverse groove 42, the middle part of the sliding block 43 is hinged with the rocker 44, the bottom of the rocker 44 is provided with a push head, the push head is positioned right in front of the movement of the wire 18, the top of the rocker 44 is hinged with the push rod 45, of course, the supplement is needed here that the push rod 45 is not stable only through the hinge of the rocker 44, and at least one sliding support is needed in the direction of the bracket 41 close to the cutting part 20 to prevent the push rod 45 from falling downwards. An angle piece 46 is installed on the support 41 at the rear part of the rocker 44, a fourth return spring 47 is installed between the angle piece 46 and the pushing head of the rocker 44, the pushing head of the rocker 44 always has a tendency of returning backwards under the action of the fourth return spring 47, and a plurality of through holes are uniformly distributed on the push rod 45 and used for adjusting the hinging position of the rocker 44.

The working principle of the invention is as follows: firstly, according to the specification and the attached drawings, the installation position of the whole device is adjusted according to the required length of the wire, the rocker 44 is selected to be in a proper position to be hinged with the push rod 45 according to the installation position of the slider 43, at this time, the cutting length of the wire is the distance from the pushed position of the rocker 44 to the cutting part 20, and the installation position of the slider 43 of the control part 40 is adjusted according to the characteristic.

Then the whole device is started, the driving part 10 conveys the wire 18 forwards at a constant speed, the drop hammer 27 always runs empty in a vertical reciprocating motion until the front end of the wire 18 reaches the pushing head of the rocker 44 and pushes the pushing head forwards, at this time, the push rod 45 moves backwards under the action of the rocker 44 and pushes the rocker 34 above the press block 24, at this time, the drop hammer 27 pushes the press block 24 downwards under the height compensation of the rocker 34 to drive the upper cutter 23 to move downwards to complete a cutting operation, the cut wire automatically drops downwards, when the drop hammer 27 returns upwards, the press block 24 returns upwards under the action of the second return spring 26 and pushes the rocker 34 to the original position by extruding the oblique angle at the bottom of the rocker 34, and the rocker 44 returns to the original position under the action of the fourth return spring 47 after no wire pushing.

The driving section 10 continues to feed the wire material and performs cutting in the next cycle. The device once debugs the back, can continuously accomplish cutting of fixed length wire rod automatically, need change length until the wire rod.

The above embodiments mainly describe the wire cutting machine of the present invention. While only a limited number of embodiments and features have been described, those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and various modifications and alternative arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A wire cutting machine comprises a driving portion (10), a cutting portion (20), a transition portion (30) and a control portion (40), and is characterized in that the driving portion (10) comprises a bottom plate (11), a stand column (12), a vertical groove (13), a square block (14), a pull rod (15), a compression spring (16), rollers (17) and wires (18), the stand column (12) is arranged above the bottom plate (11), the two rollers (17) are arranged on the stand column (12), the wires (18) penetrate through the two rollers (17), the cutting portion (20) comprises a base (21), a lower cutter (22), an upper cutter (23), a pressing block (24), a guide rod (25), a second reset spring (26) and a drop hammer (27), the lower cutter (22) is arranged on the base (21), the upper cutter (23) is arranged at the bottom of the pressing block (24), the pressing block (24) is arranged on the base (21) through the guide rod (25), second reset spring (26) are established to the cover on guide arm (25), briquetting (24) top installation drop hammer (27), transition portion (30) are including base (31), pole setting (32), third reset spring (33), rocking arm (34), pole setting (32) have on base (31), third reset spring (33) are established to the cover on pole setting (32), rocking arm (34) are established to the cover above the third reset spring, control portion (40) are including support (41), cross slot (42), slider (43), rocker (44), push rod (45), horizontal cross slot (42) have on support (41), install slider (43) on cross slot (42), slider (43) middle part hinge rocker (44), the bottom of rocker (44) has the pushing head, the pushing head is located the dead ahead of wire rod (18) motion, rocker (44) top hinge push rod (45).

2. The wire cutting machine according to claim 1, characterized in that a vertical groove (13) is arranged above the upright post (12), a block (14) is arranged in the vertical groove (13), the block (14) is connected with a pull rod (15), a compression spring (16) is arranged between the block (14) and the top of the vertical groove (12), the compression spring (16) is sleeved on the pull rod (15), and a roller (17) is arranged on the block (14).

3. Wire cutting machine according to claim 1, characterized in that said upright (32) is provided with a nut (35) which acts as an upper limit for the rocker (34).

4. Wire cutting machine according to claim 1, characterized in that the rocker arm (34) is divided into a sleeve part which is fitted over the upright (32) and a compensation block which is located at the upper side of the pressure piece (24), the bottom of the compensation block of the rocker arm (34) having an oblique angle.

5. Wire cutter according to claim 1, characterized in that a bracket (41) at the rear of the rocker (44) is provided with a corner piece (46), and a fourth return spring (47) is arranged between the corner piece (46) and the pushing head of the rocker (44).