CN205413968U - Double -end decoiler - Google Patents

Abstract

This patent relates to the field of transformer manufacturing equipment, and discloses a double-head uncoiler, which includes a rotary mechanism and a turntable box arranged on the rotary mechanism. The two sides of the turntable box are respectively provided with the same arc brace; the arc brace includes The main shaft and a plurality of arc-shaped blocks arranged on the circumferential direction of the main shaft; a sliding sleeve is arranged on the main shaft, and a connecting rod is hinged between the arc-shaped block and the sliding sleeve; a transmission gear is arranged between the motor and the main shaft; the slewing mechanism includes a turntable seat and Steel balls set on the turntable seat; the turntable seat and the turntable box are connected by steel balls; the turntable seat includes a top plate, a bottom plate and a conical seat between the top plate and the bottom plate; a coaxial The rotary outer ring and the rotary inner ring, the opposite side walls of the rotary outer ring and the rotary inner ring are provided with a chute for the steel ball to move; the rotary inner ring is fixed on the top plate; the rotary outer ring is connected with the turntable box; the rotary outer ring The ring and the rotary inner ring move relative to each other through steel balls. The patent saves production time and improves efficiency.

Description

A double-head decoiler

technical field

The utility model relates to the field of transformer manufacturing equipment, in particular to a double-head uncoiler.

Background technique

Uncoiler is one of the commonly used equipment for manufacturing transformers. It is mainly used to uncoil silicon steel sheet coils when manufacturing transformer cores, so as to facilitate subsequent operations such as cutting silicon steel sheets.

Existing uncoilers usually have only one arc support for feeding and winding, which is often called a single-head uncoiler. It is necessary to stop the rotation and winding work of the arc support when putting the coil material on or taking off the arc support, so that the coil material is put on and taken off continuously, which is a waste of production time and makes the Production efficiency is low.

Utility model content

The utility model intends to provide a double-head uncoiler to solve the problem that the existing uncoiler only has one arc-shaped support for winding work and the production efficiency is low.

In order to solve the above problems, the following solutions are provided:

Solution 1: A double-head uncoiler, including a slewing mechanism and a turntable box arranged on the slewing mechanism, the two sides of the turret box are respectively provided with an identical arc brace and a motor; the arc brace includes a main shaft and a plurality of arc-shaped blocks arranged in the circumferential direction of the main shaft; a sliding sleeve is provided on the main shaft, and a connecting rod is hinged between the arc-shaped block and the sliding sleeve; a transmission gear is provided between the motor and the main shaft; the rotary The mechanism includes a turntable seat and steel balls arranged on the turntable seat; the turntable seat and the turntable box are connected by steel balls; the turntable seat includes a top plate, a bottom plate and a conical seat between the top plate and the bottom plate; the top plate A coaxial rotary outer ring and a rotary inner ring are arranged on the top surface of the top surface, and the side walls of the rotary outer ring and the rotary inner ring are provided with chutes for steel balls to move; the rotary inner ring is fixed on the top plate Above; the rotary outer ring is connected with the turntable box; the rotary outer ring can rotate around the rotary inner ring by moving steel balls in the chute.

working principle:

The rotary outer ring and the rotary inner ring are connected by steel balls and move relative to each other, so that the turntable box connected to the rotary outer ring can rotate relative to the turntable seat connected to the rotary inner ring, so that the turntable box can rotate around the turntable seat. It is convenient to replace the coil materials on the arc supports on both sides of the turntable box, and when one is replaced, the other will not be delayed to continue working.

Beneficial effect:

1. The side walls of the rotary outer ring and the rotary inner ring are provided with chutes for steel balls to move; the rotary inner ring is fixed on the top plate; the rotary outer ring is equipped with two arc braces The turret box is connected; the slewing outer ring can rotate around the slewing inner ring through the steel ball moving in the chute. Turn the rotary outer ring, the rotary outer ring and the rotary inner ring make relative motion through the steel ball, so that the turntable box connected with the rotary outer ring rotates around the turntable seat connected with the rotary inner ring, which is convenient for the two arcs set on the turntable box The coil material on the shape support is replaced, which avoids the time wasted in the single-head decoiler when changing the coil material, and improves the work efficiency.

2. The slewing outer ring and slewing inner ring are connected by steel balls, because the steel balls are rolling friction with the slewing outer ring and slewing inner ring, which effectively reduces friction loss.

3. The seat body of the turntable seat is conical. According to the structural characteristics of the cone itself, the stress stability of the turntable seat can be increased.

4. The utility model only includes the turntable base, the turntable box arranged on the turntable base, the arc support and the motor, the structure is simple, the manufacture is convenient, and the materials used are all common materials and the price is cheap.

Scheme 2: Further optimization on the basis of Scheme 1, a bolt body is provided on the top surface of the bottom plate, and a compression spring is provided between the bolt body and the bottom plate; The groove body inserted into the groove body; it is beneficial to make the rotary bad switch turn to the corresponding position of the bolt body and the groove body, first pull the bolt body down, and then insert the bolt body into the groove body, so that the rotary outer ring no longer rotates.

Scheme 3: Further optimization on the basis of Scheme 1, the bottom surface of the rotary outer ring is provided with a downward limit stopper, and the radial direction of the seat body is provided with a limit stopper that can block the limit stopper ; It is conducive to the stable rotation of the outer ring, so that the limit stop iron will not continue to rotate when it meets the limit stop.

Plan 4: Further optimization on the basis of Plan 1, the circumferential position of the main shaft is provided with a brake block that can be pressed against the main shaft, and the turntable box is provided with a one-way cylinder, and the piston rod of the cylinder is connected to the Said brake block; make the brake block hold the main shaft tightly when the cylinder works conveniently, so that the main shaft and the arc block rotating around the main shaft stop rotating, so that the coil material on the arc support can be replaced conveniently. The rapid braking of the coil material avoids the situation of confusion and damage caused by the heavy inertia of the coil material after the motor stops rotating, which cannot be accurately braked when it stops, and can still rotate several times to release a long material tape.

Scheme 5: Further optimization on the basis of Scheme 1, the horizontal distance of the chute is greater than the diameter of the steel ball and less than 1.5 times the diameter of the steel ball; the gap between the rotary outer ring and the rotary inner ring is smaller, ensuring Under the premise that the steel ball will not fall off, the situation that the dust falls into the gap and causes the gap to be blocked is minimized.

Scheme 6: Further optimization on the basis of Scheme 1, the arc brace also includes a screw threadedly connected with the sliding sleeve; turning the screw makes the sliding sleeve drive the arc block hinged with the connecting rod to move, so that the arc brace expands or shrink.

Scheme 7: Further optimization on the basis of Scheme 2, the seat body is provided with a horizontal clamping block, and the end of the clamping block is provided with a curved part for clamping the latch body; it is beneficial to fix the latch body and make the latch body It is firmly connected with the tank body, so that the rotary outer ring will not rotate relative to the seat body, and the turntable box connected to the rotary outer ring will be stationary, so that the two arc supports on the turntable box can expand and contract or rotate with the main shaft.

Scheme 8: Further optimization on the basis of Scheme 4, the seat body is provided with a travel switch, and above the travel switch is provided a lance that can collide with the travel switch. connect. After the outer ring is conveniently rotated to the corresponding position of the lance and the travel switch, hit the travel switch with the lance to make the one-way cylinder work, press the brake block, make the brake block hold the main shaft tightly, and stop the arc support from rotating. The operation is simple. , fast, and conducive to the replacement of the coil material on the arc support.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

detailed description

The utility model is described in further detail below by means of specific embodiments:

The reference signs in the drawings of the specification include: turntable base 1, arc support 2, transmission gear 3, motor 4, cylinder 5, limit stopper 6, limit stopper 7, T-shaped pin groove body 8, clamping block 9, latch body 10, lance 11, travel switch 12, steel ball 13, rotary outer ring 14, rotary inner ring 15, compression spring 16.

As shown in Figure 1, the double-head uncoiler includes a rotary mechanism and a turntable box arranged on the rotary mechanism, and the opposite sides of the turntable box are respectively connected with the same arc-shaped support 2 . Two motors 4 that drive the arc brace 2 to rotate are arranged in the turntable box, and the output shafts of each motor 4 are meshed with the main shaft of the arc brace 2 through the transmission gear 3 . Also be provided with two one-way cylinders 5 in the turntable box, each cylinder 5 is all connected with brake block, and brake block is arranged on the circumferential position of arc support 2 main shafts. When the cylinder 5 was started, the brake block held the main shaft tightly and the main shaft stopped rotating, and the arc brace 2 also stopped rotating thereupon. At this point, the coil material on the arc support 2 can be replaced.

The slewing mechanism is a mechanism in which two arc-shaped supports 2 alternately enter the working position to realize the slewing action of the transposition. The rotary mechanism includes a turntable base 1 and steel balls 13 arranged on the turntable base 1 . The turntable seat 1 comprises a top plate, a bottom plate and a conical seat body welded between the top plate and the bottom plate. Bolt holes are provided on the bottom plate, and the turntable base 1 is firmly connected to the bottom surface by bolts. A rotary outer ring 14 and a rotary inner ring 15 are arranged on the top surface of the top plate. The rotary outer ring 14 and the rotary inner ring 15 are coaxial, and the diameter of the rotary outer ring 14 is larger than the rotary inner ring 15 . The top plate of the rotary inner ring 15 is screwed into one body with the turntable seat 1. Rotation outer ring 14 is fixedly connected with the bottom surface of the turntable box that arc brace 2 is housed at both ends with screw. The rotary outer ring 14 and the rotary inner ring 15 are connected by steel balls 1313 .

There are V-shaped grooves on the corresponding sides of the rotary outer ring 14 and the rotary inner ring 15, and the steel balls 1313 are located in the V-shaped grooves and respectively resist the rotary outer ring 14 and the rotary inner ring 15; the rotary outer ring 14 and the rotary inner ring The ring 15 can carry out relative movement through the steel ball 1313, so that the turntable box can rotate 1 degree around the turntable. The horizontal distance of the V-shaped groove is greater than the diameter of the steel ball 1313, and less than 1.5 times the diameter of the steel ball 1313; the gap between the rotary outer ring 14 and the rotary inner ring 15 is small, and the steel ball 1313 will not fall off. , Minimize the situation that dust falls into the gap and causes the gap to be blocked.

The bottom surface of the rotary outer ring 14 is welded with a T-shaped pin groove body 8, and the top surface of the bottom plate is welded with a compression spring 16, which is welded to the head of the T-shaped latch body 10, and the pin shaft of the latch body 10 The part can be inserted into the T-shaped pin groove body 8 body, and the T-shaped pin groove body 8 body and the latch body 10 are on the same vertical line. There are two blocks 9 that can hold the plug body 10 welded on the seat body, and there are two blocks 9 that are distributed up and down on the same vertical plane. The bottom surface of the rotary outer ring 14 is also welded with a positioning stopper, and the same side of the block 9 on the seat body is welded with a positioning stopper for blocking the positioning stopper.

A vertically downward lance 11 is handed over at a symmetrical position where the position of the positioning iron is located. The lance 11 is connected with the travel switch 12 connected to the seat body. The lance 11 is arranged on the rotary outer ring 14 and connected with the one-way cylinder 5. . After conveniently turning the outer ring 14 to the position corresponding to the lance 11 and the travel switch 12, hit the travel switch 12 with the lance 11 to make the one-way cylinder 5 work, press the brake block, make the brake block hold the main shaft tightly, and make the arc The support 2 stops rotating, and the operation is simple and fast, which is beneficial to changing the coil material on the arc support 2.

A circle of reinforcing ribs for supporting the seat body is welded at the joint between the bottom end of the seat body and the bottom plate, which is beneficial to improving the load-bearing range of the seat body.

When the arc brace 2 is rotated into the working position, the limit stopper 6 is limited, blocked and limited by the limit stopper 7, the positioning bolt body 10 is inserted into the T-shaped pin groove body 8, and the lance 11 is pressed on On the stroke switch 12, a set of arc support 2 electrical elements that are put in place are combined with the main line body electric control and keep working synchronously.

When the coil material on the arc support 2 on the working position is used up, rotate the slewing mechanism and manually shift the position, so that the other end of the arc support 2 that has already been loaded with spare coil material is transferred to the working position; the empty coil end is changed to the other One side is ready for roll stock. A set of identical arc braces 2 are respectively set on both sides of the turntable box. The coiled material that can be hung on it is tightened or unclamped, and is driven by respective AC speed-regulating motors 4 respectively. Each set of transmission is driven by the motor 4 through a group of gears to drive the arc support 2 to rotate, realize uncoiling, release the strip material, and ensure the continuous supply of the cutting material required by the feed roller. When the feeding roller cuts the film at different speeds, the position of the top surface of the material belt loop in the pit will change continuously, and the result of the change will make the three infrared switches set on the turntable seat 1 of the double-head uncoiler respectively be in the position of In a certain working state, a signal is sent to control the unwinding AC speed regulating motor 4 to be in a corresponding certain working state.

The circumferential position of the main shaft is provided with a brake block that can be pressed against the main shaft, and the turntable box is provided with a one-way cylinder 5, and the piston rod of the cylinder 5 is connected to the brake block; And the arc block that rotates around the main shaft stops rotating, convenient to change the coil material on the arc support 2. The rapid braking of the coil material avoids the situation that the heavy coil material has a large inertia and cannot be accurately braked when it stops after the motor 4 stops rotating.

The coil material is quickly braked during the coil movement, and the brake is mainly realized by pushing the brake block through the one-way cylinder 5.

The screw threaded by the sliding sleeve, manually turning the screw, drives the arc support 2 of the parallel four-bar linkage mechanism to expand or contract through the sliding sleeve, so that the coil material hanging on the arc support 2 is expanded or loosened.

The above are only embodiments of the present utility model, and common knowledge such as specific structures and characteristics known in the scheme are not described too much here. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the utility model, some deformations and improvements can also be made, and these should also be regarded as the protection scope of the utility model, and these will not affect the utility model. Effects of novel implementations and utility of patents. The scope of protection required by this application shall be based on the content of the claims, and the specific implementation methods and other records in the specification may be used to interpret the content of the claims.

Claims (8)

1. a double end uncoiler, including slew gear and the turntable case being arranged on slew gear, it is characterised in that: it is respectively equipped with an identical arc support and motor on the both sides of described turntable case；The support of described arc includes main shaft and the multiple arc blocks being arranged in main shaft circumference；Described main shaft is provided with sliding sleeve, is hinged with connecting rod between arc block and sliding sleeve；It is provided with travelling gear between described motor and main shaft；Described slew gear includes turntable seat and the steel ball being arranged on turntable seat；Described turntable seat is connected by steel ball with turntable case；Described turntable seat includes top board, base plate and is arranged between top board and base plate in cone shape pedestal；It is provided with coaxial revolution outer shroud and revolution internal ring on the end face of top board, the sidewall that revolution outer shroud is close to each other with revolution internal ring is equipped with the chute moved for steel ball；Described revolution internal ring is fixed on top board；Described revolution outer shroud is connected with turntable case；Revolution outer shroud can be moved in chute by steel ball and rotate around revolution internal ring.

Double end uncoiler the most according to claim 1, it is characterised in that: the end face of described base plate is provided with latch body, is provided with compression spring between latch body and base plate；On the bottom surface of described revolution outer shroud, corresponding latch body is provided with the cell body inserted for latch body.

Double end uncoiler the most according to claim 1, it is characterised in that: the bottom surface of described revolution outer shroud is provided with downward spacing buting iron, described pedestal be radially provided with the positive stop that can stop spacing buting iron.

Double end uncoiler the most according to claim 1, it is characterised in that: the circumferential position of described main shaft is provided with the brake shoe that can push against with main shaft, is provided with one-way cylinder in described turntable case, and the piston rod of described cylinder connects described brake shoe.

Double end uncoiler the most according to claim 1, it is characterised in that: the horizontal range of described chute is more than the diameter of steel ball, less than 1.5 times of steel ball size.

Double end uncoiler the most according to claim 1, it is characterised in that: the support of described arc also includes the screw rod threadeded with sliding sleeve.

Double end uncoiler the most according to claim 2, it is characterised in that: described pedestal is provided with horizontally disposed fixture block, and the end of fixture block is provided with the bending section for clamping latch body.

Double end uncoiler the most according to claim 4, it is characterised in that: described pedestal is provided with travel switch, the lance being arranged over to clash into travel switch of travel switch, and lance is arranged on revolution outer shroud and is connected with one-way cylinder.