CN113327760B - A kind of automatic encapsulating machine for transformer - Google Patents

Abstract

The present invention relates to the technical field of transformer processing, in particular to an automatic gluing machine for transformers, including: a clamp, including a bottom plate, first trapezoidal blocks are fixed radially on both sides of the top of the bottom plate, the The other two sides of the top of the bottom plate are provided with a second trapezoidal block that slides elastically in the radial direction, and the slopes of the first trapezoidal block and the second trapezoidal block are inclined towards the axis of the bottom plate; the wrapping rubber is coaxially arranged on the outer ring of the fixture for Encapsulating the transformer in the circumferential direction; the first synchronous belt conveyor and the second synchronous belt conveyor, the conveyors are arranged on both sides of the fixture in the radial direction, and the first synchronous belt conveyor discharges end and the feeding end of the second synchronous belt conveyor are both facing the fixture; the duplex reciprocating material shifter is suspended from the top of the fixture, and the inner side of the working end of the duplex reciprocating material shifter is provided with a device that can abut against the transformer in the vertical direction. The abutting block on the top, the device can automatically load and unload materials and has high working efficiency.

Description

A kind of automatic encapsulating machine for transformer

technical field

The invention relates to the technical field of transformer processing, in particular to an automatic rubber wrapping machine for transformers.

Background technique

Transformer, transformer (Transformer) is a device that uses the principle of electromagnetic induction to change AC voltage. The main components are primary coil, secondary coil and iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation , voltage stabilization (magnetic saturation transformer), etc.; in the process of processing the transformer, the transformer needs to be encapsulated after the magnetic core is wound.

The existing encapsulation process usually uses manual encapsulation. When encapsulating a transformer with a small size, the tape is not tight enough, the encapsulation is misplaced, and the magnetic core is loose, which seriously affects the product quality. Encapsulation of hundreds of transformers greatly increases the labor intensity of the staff, and the work efficiency is low.

Chinese patent CN201921159459.0 discloses a transformer automatic encapsulation machine, including a base and an electric control box, and also includes a support plate and a mounting plate respectively rotated on the side wall of the base, and the two are oppositely arranged on the side wall of the mounting plate The mounting block, the cutting block arranged on the side wall of the base and located on one side of the mounting plate, the first cylinder driving the cutting block to slide along the length direction of the base, and the motor arranged in the base to drive the mounting plate to rotate, There are mounting components for fixing the adhesive tape on the supporting plate, clamping components for fixing the mounting blocks on the mounting plate, mounting slots for placing transformers on the side walls of the two mounting blocks, and mounting slots for fixing The magnetic component of the transformer, the cutting block is provided with a tape cutting assembly for cutting the tape.

The manual loading and unloading of the encapsulation machine is cumbersome, and the work efficiency is low.

Contents of the invention

In order to solve the above technical problems, an automatic gluing machine for transformers is provided. This technical solution solves the problem that the gluing machine has its own loading and unloading and improves work efficiency.

To achieve the above object, the technical scheme adopted in the present invention is:

An automatic rubber encapsulation machine for transformers, comprising: a fixture, including a bottom plate, first trapezoidal blocks are fixed radially on both sides of the top of the bottom plate, and radially elastic on the other two sides of the top of the bottom plate. The sliding second trapezoidal block, the slopes of the first trapezoidal block and the second trapezoidal block are inclined towards the axis of the bottom plate; the wrapping rubber device is coaxially arranged on the outer ring of the fixture for wrapping around the transformer in the circumferential direction ; The first synchronous belt conveyor and the second synchronous belt conveyor, the conveyors are arranged on both sides of the fixture along the radial direction, the discharge end of the first synchronous belt conveyor and the input end of the second synchronous belt conveyor All facing the fixture; the duplex reciprocating material shifter is suspended from the top of the fixture, and the first working end of the duplex reciprocating material shifter is used to place the transformer on the discharge end of the first synchronous belt conveyor against the top of the bottom plate, The second working end of the duplex reciprocating material shifter is used to horizontally place the finished transformer at the top of the bottom plate on the feeding end of the second synchronous belt conveyor, and the inner side of the working end of the duplex reciprocating material shifter is provided with a An abutment block that abuts against the top of the transformer.

Preferably, a first chute is provided radially on both sides of the top of the bottom plate, and a first pressure plate is provided at the outer end of the first chute; The first internally threaded sliding block and the mounting block are both slidably arranged in the first chute, and the first internally threaded sliding block and the first internally threaded sliding block and The first threaded rod is coaxially threaded, and the mounting block is located on the side of the first internally threaded sliding block facing the axis of the bottom plate. An avoidance hole that is coaxial and has an inner diameter larger than the diameter of the first threaded rod is set on the mounting block, and the second trapezoidal The block is fixed on the top of the mounting block; the first fixed pin is fixed on one side of the mounting block in the radial direction and runs through the first internal thread sliding block to slide with it; the first spring is coaxially sleeved on the first screw rod and The two ends respectively abut against the first internal thread sliding block and opposite sides of the mounting block.

Preferably, both ends of the top end of the bottom plate are provided with a first waist-shaped groove perpendicular to the first chute in the radial direction, and the first trapezoidal block is fixed on the top of the first waist-shaped groove by bolts.

Preferably, the top of the bottom plate is also provided with a second waist-shaped groove, and the second waist-shaped groove is vertically facing the corner of the transformer groove; the encircling rubber lagger includes: a fixed plate coaxially fixed on the outer ring of the fixture, The top of the fixed plate is also coaxially provided with a fixed ring coaxial with the fixture; the rotating ring is coaxially rotated and arranged on the outer ring of the fixed ring, and the outer periphery of the fixed ring is provided with a threaded column coaxial with it; the tape wheel and the adjustment nut, the tape wheel is coaxially rotated and set on the threaded post, the adjusting nut is coaxially screwed on the threaded post and abuts against the top of the tape wheel; the outer gear ring is coaxially fixed on the outer circumferential surface of the rotating ring ; Servo motor, whose output shaft is coaxially fixed with the rotating ring at the bottom of the fixed plate; gear, coaxially fixed on the servo motor output shaft and meshed with the outer ring gear; electric push rod, whose output shaft is coaxial The second waist-shaped groove is arranged at the bottom of the bottom plate; the telescopic rod is coaxially fixed on the top of the electric push rod, and the outer axial surface of the telescopic rod is provided with an electric heating blade along its axial direction. The adhesive end of the tape wheel is adhered to the outer circumferential surface of the telescopic rod along the radial direction.

Preferably, one side of the abutment block is provided with a second internal thread sliding block along the vertical direction; the duplex reciprocating material shifter also includes: a lifting and translation assembly suspended on the fixture, the first synchronous belt conveyor and the second synchronous belt conveyor. The top of the belt conveyor; the first finger cylinder and the lifting translation assembly, the working end of the finger cylinder is arranged vertically downward on both sides of the working end of the lifting translation assembly; the elastic buffer lifting assembly is fixedly arranged on the clamping part of the finger cylinder; The clamping claw is fixedly arranged at the bottom of the working end of the elastic buffer lifting assembly, and the inner side of the clamping claw is provided with a second chute along the vertical direction, and the second internal thread sliding block is vertically slid in the second chute; the second Two screw rods are arranged in the second slide groove to rotate along the vertical direction, and the second screw rods are coaxially threaded with the second internally threaded sliding block.

Preferably, dovetail grooves are horizontally arranged on both sides of the first chute along the radial direction of the bottom plate, and the fixture also includes a dovetail wedge, and the dovetail wedge is horizontally arranged on both sides of the first internally threaded sliding block and the mounting block, and the first The internally threaded sliding block and the mounting block are slidably matched with the dovetail groove through the dovetail wedge.

Preferably, a first sensor, a second sensor and a third sensor are arranged on the outside of the fixed plate for detecting the initial position of the belt pulley and the positions of the half-circle rotation and the three-quarter rotation position, and the sensors are electrically connected to the controller.

Preferably, the lifting and translation assembly includes: the gantry, suspended on the top of the fixture, the first synchronous belt conveyor and the second synchronous belt conveyor; the magnetically coupled rodless cylinder, which is horizontally arranged on the top of the gantry; the sliding table cylinder, which The working end is arranged vertically at the working end of the magnetically coupled rodless cylinder; the connecting plate is arranged horizontally at the working end of the sliding table cylinder, and the first finger cylinder and the second finger cylinder are arranged on both sides of the connecting plate.

Preferably, the elastic buffer lifting assembly includes: a right-angle plate, fixedly arranged on both sides of the clamping part of the first finger cylinder and the second finger cylinder; a second fixed pin, fixed vertically on the top of the clamping claw and vertical Straight sliding fit; the second spring is coaxially sleeved on the second fixing pin, and its two sides abut against the bottom end of the right-angle plate and the top end of the clamping claw respectively.

Preferably, convex lines along the horizontal direction are arranged at equal intervals on the clamping sides of the clamping claws.

The beneficial effect that the present invention has compared with prior art is:

This equipment realizes automatic loading and unloading through the duplex reciprocating material shifter, and realizes the purpose of fast rubber wrapping through the wrap-around rubber wrapping device. Specifically, step 1, when working, the transformer is transported in an orderly manner through the first synchronous belt conveyor; start Lift and translate the assembly, so that the first finger cylinder places transformer one on the discharge end of the first synchronous belt conveyor on the fixture, that is, transformer one is vertically abutted against the top of the bottom plate, and the first trapezoidal block is abutted against transformer one On both sides, the second trapezoidal block is clamped on the other two sides of the transformer one against the elastic effect, and the abutment block on the first finger cylinder is abutted against the top of the transformer one, so that the transformer one is relatively fixed on the top of the bottom plate; start the servo The motor makes the tape wheel adhered to the outer circumference of the telescopic rod circle half a circle around the outer ring of the transformer, so that the tape adheres to the outer circumference of the transformer, and then the electric push rod is started to reset the output shaft, so that the telescopic rod is detached from the tape, and then the tape wheel is placed on the outer circumference of the transformer. Circling multiple turns, so that the tape is tightly bound to the transformer 1. When the tape wheel moves around the second sensor for multiple turns, the telescopic rod is stretched out, so that the tape sticks to the outer periphery of the telescopic rod, so that the tape wheel moves to the original position and starts Electric heating blade, so as to cut off the tape and make it re-adhesive to the outer circumference of the telescopic rod, so as to facilitate the next rubber coating; During the process, the transformer skeleton and its internal core are always kept fixed, so that the rubber covering is tight; after the rubber covering of the transformer one is completed, the first finger cylinder is driven to stop clamping and abut the transformer one, so that it resets and moves to the first synchronous belt for conveying The top of the discharge end of the machine, so that the transformer one is fixed on the top of the bottom plate under the elastic abutment of the second trapezoidal block; at the same time, the second finger cylinder moves to the top of the clamp, so that the transformer one is clamped by it, and then the duplex reciprocates The second working end of the material shifter is reset, so that it can place the finished transformer one on the feeding end of the second synchronous belt conveyor, and then be transported to the designated place by the second synchronous belt conveyor. At the same time, the duplex reciprocating material shifter first One working end takes another transformer 2 on the discharge end of the first synchronous belt conveyor and places it on the top of the bottom plate, so as to repeat the above steps continuously, so as to realize the purpose of automatic loading and unloading and fast rubber encapsulation.

Description of drawings

Fig. 1 is a perspective view of the present invention;

Fig. 2 is the front view of the present invention;

Figure 3 is a perspective view of a clamp and a wrap-around rubber lagger of the present invention;

Fig. 4 is the top view of fixture of the present invention;

Fig. 5 is a sectional view at the A-A section of Fig. 4;

Fig. 6 is the sectional view of the B-B section place of Fig. 4;

Fig. 7 is the perspective view of the duplex reciprocating material shifter of the present invention;

Fig. 8 is a partial enlarged view of C in Fig. 7;

Fig. 9 is a partial side view of the duplex reciprocating material shifter of the present invention;

FIG. 10 is a sectional view at the D-D section of FIG. 9 .

The labels in the figure are:

1-fixture; 1a-bottom plate; 1a1-first chute; 1a2-first pressure plate; 1a3-first waist groove; 1a4-second waist groove; 1a5-dovetail groove; 1b-first trapezoidal block; 1c -Second trapezoidal block; 1d-first screw rod; 1e-first internal thread sliding block; 1f-installation block; 1f1-avoidance hole; 1g-first fixed pin; 1h-first spring; 1i-dovetail wedge;

2-surrounding rubber lagger; 2a-fixed plate; 2a1-fixed ring; 2a2-first sensor; 2a3-second sensor; 2a4-third sensor; 2b-rotating ring; 2b1-threaded post; ;2d-adjusting nut; 2e-outer ring gear; 2f-servo motor; 2g-gear; 2h-electric push rod; 2i-telescopic rod; 2i1-electric heating blade;

3- The first synchronous belt conveyor;

4- The second synchronous belt conveyor;

5-Duplex reciprocating material shifter; 5a-Abutting block; 5a1-Second internal thread sliding block; 5b-Elevating translation assembly; 5b1-Gantry frame; 5b2-Magnetic coupling rodless cylinder; -connecting plate; 5c-first finger cylinder; 5d-second finger cylinder; 5e-elastic buffer lifting assembly; 5e1-right angle plate; 5e2-second fixing pin; 5e3-second spring; 5f-clamping claw; -Second chute; 5f2-Protrusion; 5g-Second lead screw.

detailed description

The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations.

Referring to Figure 1, an automatic encapsulation machine for transformers includes:

The clamp 1 includes a bottom plate 1a, a first trapezoidal block 1b is fixedly arranged on both sides of the top end of the bottom plate 1a in the radial direction, and a second trapezoidal block 1c is arranged on the other two sides of the top end of the bottom plate 1a to elastically slide in the radial direction. The slopes of the first trapezoidal block 1b and the second trapezoidal block 1c are inclined toward the axis of the bottom plate 1a;

Surrounding rubber wrapper 2, coaxially arranged on the outer ring of fixture 1 for wrapping around the transformer in the circumferential direction;

The first synchronous belt conveyor 3 and the second synchronous belt conveyor 4, the conveyors are arranged on both sides of the fixture 1 along the radial direction, the discharge end of the first synchronous belt conveyor 3 and the second synchronous belt conveyor 4 feed ends are all facing the fixture 1;

The duplex reciprocating material shifter 5 is suspended from the top of the fixture 1, and the first working end of the duplex reciprocating material shifter 5 is used to place the transformer on the discharge end of the first synchronous belt conveyor 3 against the top of the bottom plate 1a , the second working end of the duplex reciprocating material shifter 5 is used to horizontally place the finished transformer at the top of the bottom plate 1a on the feeding end of the second synchronous belt conveyor 4, and the inner side of the working end of the duplex reciprocating material shifter 5 is provided with The abutment block 5a that can abut against the top of the transformer along the vertical direction.

When working, the transformer is transported in an orderly manner through the first synchronous belt conveyor 3;

Start the duplex reciprocating material shifter 5, so that its first working end places the transformer one on the discharge end of the first synchronous belt conveyor 3 on the clamp 1, that is, the transformer one vertically abuts against the top of the bottom plate 1a, and The first trapezoidal block 1b abuts against one side of the transformer, the second trapezoidal block 1c is clamped on the other side of the transformer against the elastic action, and the abutting block 5a on the first working end of the duplex reciprocating material shifter 5 abut against the top of the transformer one, so that the transformer one is relatively fixed on the top of the bottom plate 1a;

Start the encircling rubber wrapping device 2 so that its working end surrounds the outer ring of the transformer along the circumferential direction, so that the rubber wrapping is performed on the first outer ring of the transformer. During this process, the first working end of the duplex reciprocating material shifter 5 always touches the Connected to the top of the transformer, so that during the process of encapsulation, the transformer skeleton and its inner core are always fixed, so that the encapsulation is tight;

After the plastic wrapping of the transformer one is completed, the first working end of the duplex reciprocating material shifter 5 is driven to stop clamping and abutting against the transformer one, so that it resets and moves to the top of the discharge end of the first synchronous belt conveyor 3, so that the transformer one Under the action of the elastic abutment of the second trapezoidal block 1c, it is fixed on the top of the bottom plate 1a; at the same time, the second working end of the duplex reciprocating material shifter 5 moves to the top of the fixture 1, thereby clamping the transformer one, and then making the duplex reciprocating The second working end of the material shifter 5 is reset, so that it can place the finished transformer one on the feeding end of the second synchronous belt conveyor 4, so that it can be transported to the designated place by the second synchronous belt conveyor 4, and the duplex reciprocating shift at the same time The first working end of the feeder 5 takes another transformer 2 on the discharge end of the first synchronous belt conveyor 3 and places it on the top of the bottom plate 1a, thereby continuously repeating the above steps, thereby realizing the purpose of automatic loading and unloading and fast rubber encapsulation.

As shown in Fig. 5 and Fig. 6, a first chute 1a1 is arranged radially on both sides of the top end of the bottom plate 1a, and a first pressure plate 1a2 is arranged at the outer end of the first chute 1a1; the fixture 1 also includes:

The first screw rod 1d is rotatably arranged in the first chute 1a1 in the radial direction and is rotatably connected with the first pressing plate 1a2;

The first internal thread sliding block 1e and the mounting block 1f, the first internal thread sliding block 1e and the mounting block 1f are both slidably arranged in the first chute 1a1, the first internal thread sliding block 1e and the first screw rod 1d is coaxially threaded, the mounting block 1f is located on the side of the first internally threaded sliding block 1e facing the axis of the bottom plate 1a, and the mounting block 1f is provided with a coaxial avoidance hole 1f1 whose inner diameter is larger than the diameter of the first screw rod 1d, The second trapezoidal block 1c is fixedly arranged on the top of the installation block 1f;

The first fixing pin 1g is fixed radially on one side of the mounting block 1f and slides through the first internally threaded sliding block 1e;

The first spring 1h is coaxially sleeved on the first threaded rod 1d, and its two ends abut against the opposite sides of the first internally threaded sliding block 1e and the mounting block 1f respectively.

When the transformer abuts against the top of the bottom plate 1a under the restriction of the first trapezoidal block 1b, the second trapezoidal block 1c drives the installation block 1f to overcome the elastic force of the first spring 1h to expand to both sides, so that the first trapezoidal block 1b can elastically contact On the other two sides of the transformer, so that the transformer can be stabilized on the top of the bottom plate 1a, so as to facilitate rubber covering, and when the first screw rod 1d is rotated to rotate in the first chute 1a1, the first internal thread sliding block 1e and The first screw rod 1d is coaxially threaded, and the inner diameter of the escape hole 1f1 is larger than the diameter of the first screw rod 1d, so that the first internal thread sliding block 1e drives the mounting block 1f to slide in the first chute 1a1, thereby facilitating the adjustment of the two The distance between the second trapezoidal block 1c on the side is convenient for clamping transformers of different sizes. The first fixing pin 1g is used to slide the first internal thread sliding block 1e and the installation block 1f, and the first pressure plate 1a2 is used to prevent the first inner thread The threaded sliding block 1e and the mounting block 1f disengage from the first chute 1a1.

As shown in Fig. 4, a first waist-shaped groove 1a3 perpendicular to the first sliding groove 1a1 is provided at both ends of the top end of the bottom plate 1a in the radial direction, and the first trapezoidal block 1b is fixed on the top of the first waist-shaped groove 1a3 by bolts.

The distance between the first trapezoidal blocks 1b on both sides of the top of the bottom plate 1a can be adjusted through the first waist-shaped groove 1a3, so as to facilitate the adaption and positioning of transformers of different sizes.

As shown in Figure 3, a second waist-shaped groove 1a4 is also provided on the top of the bottom plate 1a, and the second waist-shaped groove 1a4 faces the corner of the transformer groove in the vertical direction; the encircling rubber lagging device 2 includes:

The fixed plate 2a is coaxially fixed on the outer ring of the fixture 1, and the top of the fixed plate 2a is also coaxially provided with a fixed ring 2a1 coaxial with the fixture 1;

The rotating ring 2b is arranged on the outer ring of the fixed ring 2a1 for coaxial rotation, and the outer periphery of the fixed ring 2a1 is provided with a threaded column 2b1 coaxial with it;

The tape wheel 2c and the adjusting nut 2d, the tape wheel 2c is coaxially rotated and arranged on the threaded column 2b1, and the adjusting nut 2d is coaxially screwed on the threaded column 2b1 and abuts against the top of the tape wheel 2c;

The outer ring gear 2e is coaxially fixed on the outer circumferential surface of the rotating ring 2b;

Servo motor 2f, the output shaft of which is coaxial with the rotating ring 2b is fixedly arranged on the bottom end of the fixed plate 2a;

The gear 2g is coaxially fixed on the output shaft of the servo motor 2f and meshes with the outer ring gear 2e;

The electric push rod 2h, the output shaft of which runs through the second waist-shaped groove 1a4 coaxially is arranged at the bottom end of the bottom plate 1a;

The telescopic rod 2i is coaxially fixed on the top of the electric push rod 2h, and the outer axial surface of the telescopic rod 2i is provided with an electric heating blade 2i1 along its axial direction. Adhesion to the outer circumferential surface of telescopic rod 2i.

When the transformer is fixed on the top of the bottom plate 1a, the servo motor 2f is started to make its output shaft drive the gear 2g to rotate coaxially, so that the outer ring gear 2e drives the rotating ring 2b to rotate on the outer ring of the fixed ring 2a1, and the machine makes the rotation installed on the threaded column The tape wheel 2c on 2b1 rotates on the outer ring of the transformer relative to the fixed plate 2a, so that one end of the tape on the tape wheel 2c adheres to the telescopic rod 2i and thus adheres to the outer periphery of the transformer. When the tape wheel 2c rotates half a circle relative to its initial position, the electric pusher is started Rod 2h, so that the output shaft drives the telescopic rod 2i to reset, so that the telescopic rod 2i is separated from the tape adhesion, so that the tape wheel 2c moves to three-quarters of the initial position after several weeks of adhesion on the outer periphery of the transformer, and the electric push rod is started 2h makes the telescopic rod 2i stretch out, the tape wheel 2c continues to rotate until it is reset, and starts the electric heating blade 2i1 to cut off the tape, so that the tape sticks to the outer periphery of the telescopic rod 2i, so as to facilitate the next encapsulation, and the tape wheel 2c can be adjusted by turning the adjusting nut 2d The rotation speed of the threaded column 2b1 is convenient for adjusting the degree of tightness of the adhesive tape.

As shown in Figures 7 and 8, a second internally threaded sliding block 5a1 is arranged vertically on one side of the abutment block 5a; the duplex reciprocating material shifter 5 also includes:

The lifting and translation assembly 5b is suspended on the top of the fixture 1, the first synchronous belt conveyor 3 and the second synchronous belt conveyor 4;

The first finger cylinder 5c and the lifting translation assembly 5b, the working end of the finger cylinder is arranged vertically downward on both sides of the working end of the lifting translation assembly 5b;

The elastic buffer lifting assembly 5e is fixedly arranged on the clamping part of the finger cylinder;

The clamping claw 5f is fixedly arranged at the bottom of the working end of the elastic buffer lifting assembly 5e. The inner side of the clamping claw 5f is provided with a second chute 5f1 along the vertical direction, and the second internal thread sliding block 5a1 is vertically slidably arranged on the second In the chute 5f1;

The second threaded rod 5g is rotatably arranged in the second sliding slot 5f1 along the vertical direction, and the second threaded rod 5g is screwed coaxially with the second internally threaded sliding block 5a1.

Start the lifting and translation component 5b, so that its working end drives the first finger cylinder 5c to be clamped on both sides of the transformer at the discharge end of the first synchronous belt conveyor 3 through the elastic buffer lifting component 5e and the clamping claw 5f, so that it is placed on the clamp 1 The top end is convenient for the top of the clamp 1 to be abutted against the top of the transformer by the abutment block 5a for rubber encapsulation, and by turning the second screw rod 5g, the second internal thread sliding block 5a1 can slide in the second chute 5f1, This makes it easy to adjust the abutment height of the abutment block 5a, thereby facilitating adaptation to transformers of different sizes, and the elastic buffer lift assembly 5e is used to buffer the vertical rigid abutment force of the lift translation assembly 5b, making the structure more stable.

As shown in Figure 5, dovetail grooves 1a5 are horizontally arranged on both sides of the first chute 1a1 along the radial direction of the bottom plate 1a, and the fixture 1 also includes a dovetail wedge 1i, which is horizontally arranged on the first internal thread sliding block 1e and on both sides of the mounting block 1f, the first internally threaded sliding block 1e and the mounting block 1f are slidingly fitted with the dovetail groove 1a5 through the dovetail wedge 1i.

The first internally threaded sliding block 1e and the mounting block 1f are slidably matched with the dovetail groove 1a5 through the dovetail wedge 1i, so as to prevent the first internally threaded sliding block 1e and the mounting block 1f from detaching from the bottom plate 1a while making its structure more stable.

As shown in Figure 3, the first sensor 2a2, the second sensor 2a3 and the third sensor 2a4 that are used to detect the initial position of the belt pulley 2c and the position of half a circle of rotation and the position of three quarters of a circle of rotation are arranged on the outside of the fixed plate 2a. Electrically connected with the controller.

The position of the belt pulley 2c can be monitored in real time through the first sensor 2a2, the second sensor 2a3 and the third sensor 2a4, so that the belt pulley 2c can wrap the transformer with glue.

As shown in Figure 7, the lifting translation assembly 5b includes:

The gantry 5b1 is suspended on the top of the fixture 1, the first synchronous belt conveyor 3 and the second synchronous belt conveyor 4;

The magnetically coupled rodless cylinder 5b2 is horizontally arranged on the top of the gantry 5b1;

Slider cylinder 5b3, its working end is arranged on the working end of magnetically coupled rodless cylinder 5b2 along the vertical direction;

The connecting plate 5b4 is arranged horizontally at the working end of the slide table cylinder 5b3, and the first finger cylinder 5c and the second finger cylinder 5d are arranged on both sides of the connecting plate 5b4.

The gantry 5b1 is used for fixed installation of the magnetically coupled rodless cylinder 5b2, through which the magnetically coupled rodless cylinder 5b2 and slide table cylinder 5b3 can realize 5a4 on the top of the fixture 1, the first synchronous belt conveyor 3 and the second synchronous belt conveyor 4 The movement in the horizontal and vertical directions facilitates the automatic loading and unloading of the first finger cylinder 5c and the second finger cylinder 5d.

As shown in Figure 8, the elastic buffer lifting assembly 5e includes:

The right-angle plate 5e1 is fixedly arranged on both sides of the clamping part of the first finger cylinder 5c and the second finger cylinder 5d;

The second fixing pin 5e2 is vertically fixedly arranged on the top of the clamping claw 5f and vertically slidingly fits with the right-angle plate 5e1;

The second spring 5e3 is coaxially sleeved on the second fixing pin 5e2, and its two sides abut against the bottom end of the right-angle plate 5e1 and the top end of the clamping claw 5f respectively.

Through the second fixing pin 5e2, the right-angle plate 5e1 and the clamping claw 5f are slidably fitted in the vertical direction, and through the second spring 5e3, there is a vertical gap between the clamping claw 5f and the first finger cylinder 5c and the second finger cylinder 5d. The elastic force in the vertical direction, so that when the finger cylinder is vertically lowered, the second spring 5e3 can eliminate the rigid force in the vertical direction.

As shown in FIG. 8 , convex strips 5 f 2 along the horizontal direction are arranged at equal intervals on the clamping sides of the clamping claws 5 f.

By arranging the protruding line 5f2 on the clamping side of the clamping claw 5f, when the clamping claw 5f is clamping the transformer, the transformer is not easily detached from the clamping claw 5f.

Working principle of the present invention:

This device realizes the function of the present invention through the following steps, and then solves the technical problem that the present invention proposes:

Step 1, when working, transport the transformer in an orderly manner through the first synchronous belt conveyor 3; start the lifting and translation assembly 5b, so that the first finger cylinder 5c places the transformer on the discharge end of the first synchronous belt conveyor 3 on the clamp 1 On the other hand, that is, the transformer 1 is vertically abutted against the top of the bottom plate 1a, and the first trapezoidal block 1b is abutted on both sides of the transformer 1, and the second trapezoidal block 1c is clamped on the other two sides of the transformer 1 against the action of elasticity, and the The abutment block 5a on the first finger cylinder 5c abuts against the top of the transformer one, so that the transformer one is relatively fixed on the top of the bottom plate 1a;

Step 2: start the servo motor 2f, make the tape wheel 2c adhered to the outer circumference of the telescopic rod 2i circle half a circle around the outer ring of the transformer, make the tape adhere to the outer circumference of the transformer, and then start the electric push rod 2h to reset the output shaft, so that the telescopic rod 2i is detached tape, and then make the tape wheel 2c circle around the transformer one for multiple turns, so that the tape is tightly bound to the transformer one; The outer periphery of the telescopic rod 2i moves the tape wheel 2c to the original position, and starts the electric heating blade 2i1, so as to cut off the tape and make it stick to the outer periphery of the telescopic rod 2i again, so as to facilitate the next encapsulation; during this process, duplex reciprocating material transfer The first working end of the device 5 is always abutted against the top of the transformer one, so that the transformer skeleton and its inner core are always fixed during the rubber encapsulation process, so that the encapsulation is tight;

Step 3, after the plastic wrapping of transformer one is finished, drive the first finger cylinder 5c to stop clamping and contact transformer one, make it reset and move to the top of the discharge end of the first synchronous belt conveyor 3, so that transformer one is in the second The trapezoidal block 1c is fixed on the top of the bottom plate 1a under the action of elastic abutment;

Step 4, at the same time, the second finger cylinder 5d moves to the top of the fixture 1, thereby clamping the transformer one, and then resets the second working end of the duplex reciprocating material shifter 5, so that it places the finished transformer one on the second On the feeding end of the second synchronous belt conveyor 4, it is transported to the designated place by the second synchronous belt conveyor 4, and at the same time, the first working end of the duplex reciprocating material shifter 5 takes another output end of the first synchronous belt conveyor 3 The upper transformer 2 is placed on the top of the bottom plate 1a, so as to continuously repeat the above steps, so as to realize the purpose of automatic loading and unloading and fast rubber encapsulation.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description are only the principles of the present invention. Variations and improvements, which fall within the scope of the claimed invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A kind of automatic encapsulating machine for transformer, it is characterized in that, comprises: The clamp (1) includes a bottom plate (1a), the top two sides of the bottom plate (1a) are fixed with first trapezoidal blocks (1b) along the radial direction, and the other two sides of the top end of the bottom plate (1a) are provided with radial A second trapezoidal block (1c) that slides elastically, the slopes of the first trapezoidal block (1b) and the second trapezoidal block (1c) are inclined towards the axis of the bottom plate (1a); A wraparound rubber wrapping device (2), coaxially arranged on the outer ring of the fixture (1) for wrapping around the transformer in the circumferential direction; The first synchronous belt conveyor (3) and the second synchronous belt conveyor (4), the conveyors are arranged radially on both sides of the fixture (1), and the first synchronous belt conveyor (3) discharges end and the second synchronous belt conveyor (4) feeding end are all towards clamp (1); The duplex reciprocating material shifter (5) is suspended on the top of the fixture (1), and the first working end of the duplex reciprocating material shifter (5) is used to place the first synchronous belt conveyor (3) on the discharge end The transformer is placed against the top of the bottom plate (1a), and the second working end of the duplex reciprocating material shifter (5) is used to place the finished transformer on the top of the bottom plate (1a) horizontally on the second synchronous belt conveyor (4). end, the inner side of the working end of the duplex reciprocating material shifter (5) is provided with an abutment block (5a) that can abut against the top of the transformer along the vertical direction; Both sides of the top of the bottom plate (1a) are radially provided with a first chute (1a1), and the outer end of the first chute (1a1) is provided with a first pressure plate (1a2); the clamp (1) also includes: The first screw rod (1d) is rotatably arranged in the first chute (1a1) in the radial direction and is rotatably connected with the first pressing plate (1a2); The first internal thread sliding block (1e) and the mounting block (1f), the first internal thread sliding block (1e) and the mounting block (1f) are both slidably arranged in the first chute (1a1), the first The internally threaded sliding block (1e) is screwed coaxially with the first screw rod (1d), and the mounting block (1f) is located on the side of the first internally threaded sliding block (1e) facing the axis of the bottom plate (1a). A coaxial avoidance hole (1f1) with an inner diameter larger than the diameter of the first screw rod (1d) is provided on the block (1f), and the second trapezoidal block (1c) is fixedly arranged on the top of the installation block (1f); The first fixing pin (1g) is fixedly arranged on one side of the mounting block (1f) in the radial direction and runs through the first internally threaded sliding block (1e) to slide with it; The first spring (1h) is coaxially sleeved on the first screw rod (1d) and the two ends respectively abut against the first internal thread sliding block (1e) and the opposite side of the mounting block (1f); Both ends of the top end of the bottom plate (1a) are also provided with a first waist-shaped groove (1a3) perpendicular to the first chute (1a1) in the radial direction, and the first trapezoidal block (1b) is fixed in the first waist-shaped groove ( 1a3) top; The top of the bottom plate (1a) is also provided with a second waist-shaped groove (1a4), and the second waist-shaped groove (1a4) faces the corner of the transformer groove in the vertical direction; the wrapping rubber cover (2) includes: The fixed plate (2a) is coaxially fixed on the outer ring of the fixture (1), and the top of the fixed plate (2a) is also coaxially provided with a fixed ring (2a1) coaxial with the fixture (1); The rotating ring (2b) is arranged on the outer ring of the fixed ring (2a1) for coaxial rotation, and the outer circumference of the fixed ring (2a1) is provided with a threaded column (2b1) coaxial with it; Belt wheel (2c) and adjusting nut (2d), described belt wheel (2c) coaxially rotates and is arranged on the threaded post (2b1), and described adjusting nut (2d) is coaxially screwed on the threaded post (2b1) and Butt against the top of the tape wheel (2c); The outer ring gear (2e) is coaxially and fixedly arranged on the outer circumferential surface of the rotating ring (2b); The servo motor (2f), its output shaft and the rotating ring (2b) are coaxially fixedly arranged on the bottom end of the fixed plate (2a); The gear (2g) is coaxially fixed on the output shaft of the servo motor (2f) and meshes with the outer ring gear (2e); The electric push rod (2h), whose output shaft runs through the second waist-shaped groove (1a4) coaxially, is arranged at the bottom end of the bottom plate (1a); The telescopic rod (2i) is coaxially fixed on the top of the electric push rod (2h), and the outer axial surface of the telescopic rod (2i) is provided with an electric heating blade (2i1) along its axial direction. The adhesive end of the belt wheel (2c) is adhered to the outer circumferential surface of the telescopic rod (2i) along the radial direction; One side of the abutting block (5a) is provided with a second internal thread sliding block (5a1) along the vertical direction; the duplex reciprocating material shifter (5) also includes: The lifting and translation assembly (5b) is suspended on the top of the fixture (1), the first synchronous belt conveyor (3) and the second synchronous belt conveyor (4); The first finger cylinder (5c) and the lifting translation assembly (5b), the working end of the finger cylinder is arranged vertically downward on both sides of the working end of the lifting translation assembly (5b); The elastic buffer lifting component (5e) is fixedly arranged on the clamping part of the finger cylinder; The clamping claw (5f) is fixedly arranged at the bottom of the working end of the elastic buffer lifting assembly (5e), and the inner side of the clamping claw (5f) is provided with a second chute (5f1) along the vertical direction, and the second internal thread sliding block (5a1) vertically slidingly arranged in the second chute (5f1); The second threaded mandrel (5g) is rotatably arranged in the second sliding slot (5f1) along the vertical direction, and the second threaded mandrel (5g) is screwed coaxially with the second internally threaded sliding block (5a1). 2. An automatic encapsulating machine for transformers according to claim 1, characterized in that, both sides of the first chute (1a1) are also horizontally provided with dovetail grooves (1a5) along the radial direction of the bottom plate (1a), The clamp (1) also includes a dovetail wedge (1i), the dovetail wedge (1i) is horizontally arranged on both sides of the first internal thread sliding block (1e) and the mounting block (1f), and the first internal thread sliding block ( 1e) and the mounting block (1f) slide fit with the dovetail groove (1a5) through the dovetail wedge (1i). 3. An automatic rubber encapsulation machine for transformers according to claim 1, characterized in that, the outer side of the fixed plate (2a) is provided with a belt wheel (2c) for detecting the initial position and the half-turn position and the quarter-turn position The first sensor (2a2), the second sensor (2a3) and the third sensor (2a4) at three peripheral positions, the sensors are electrically connected to the controller. 4. A kind of automatic encapsulating machine for transformer according to claim 1, is characterized in that, lift translation assembly (5b) comprises: The gantry (5b1) is suspended on the top of the fixture (1), the first synchronous belt conveyor (3) and the second synchronous belt conveyor (4); A magnetically coupled rodless cylinder (5b2) is horizontally arranged on the top of the gantry (5b1); Slider cylinder (5b3), its working end is arranged on the working end of magnetically coupled rodless cylinder (5b2) along the vertical direction; The connecting plate (5b4) is arranged horizontally at the working end of the slide table cylinder (5b3), and the first finger cylinder (5c) and the second finger cylinder (5d) are arranged on both sides of the connecting plate (5b4). 5. A kind of automatic encapsulating machine for transformer according to claim 1, is characterized in that, elastic buffer lifting assembly (5e) comprises: The right-angle plate (5e1) is fixedly arranged on both sides of the clamping part of the first finger cylinder (5c) and the second finger cylinder (5d); The second fixing pin (5e2) is vertically fixedly arranged on the top of the clamping claw (5f) and vertically slidingly fits with the right-angle plate (5e1); The second spring (5e3) is coaxially sleeved on the second fixing pin (5e2), and its two sides abut against the bottom end of the right-angle plate (5e1) and the top end of the clamping claw (5f) respectively. 6. An automatic encapsulating machine for transformers according to claim 1, characterized in that the clamping sides of the clamping claws (5f) are equidistantly provided with raised lines (5f2) along the horizontal direction.

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