CN223222306U - Refrigerator backboard blanking flanging die - Google Patents

Abstract

The utility model relates to a blanking and flanging die for a refrigerator backboard, which comprises a lower die holder and a power seat fixed on one side of the lower die holder, wherein a conveying mechanism for conveying the backboard is arranged above the power seat, the top of the lower die holder is fixedly connected with an upper die holder, and the upper die holder is driven by a power rod through a hydraulic mechanism. This refrigerator backplate blanking turn-ups mould, die-cut head decline until die-cut the backplate, and holding down plate downward movement continues to extrude reset spring and buffer spring, after the backplate right side received downward impact force, left side perk is pushed down by the extrusion wheel of extrusion pole below to because the reaction force that the difference of two extrusion wheel positions received the backplate is different, under leverage, the dwang rotates the force of extrusion pole both sides extrusion wheel and balances, guarantees even exerting pressure to the backplate, effectually prevents that the backplate warp.

Description

Refrigerator backboard blanking flanging die

Technical Field

The utility model relates to the technical field of backboard processing, in particular to a refrigerator backboard blanking flanging die.

Background

When the refrigerator backboard is processed, two processing procedures are needed, the first procedure is profiling, corner cutting and punching, the procedure is completed by a blanking die, the second procedure is flanging, profiling and hole flanging, and the procedure is completed by a flanging die.

The existing blanking flanging die needs to fix the backboard when blanking the backboard, but the backboard can be tilted due to unilateral stress of the backboard during blanking, and the backboard is limited through the limiting mechanism at the moment, so that the backboard is easy to deform to influence the quality of a finished product due to overlarge limiting force under reactive force.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a blanking flanging die for a refrigerator back plate, which solves the problems.

The utility model aims at realizing the technical scheme that the blanking and flanging die for the back plate of the refrigerator comprises a lower die holder and a power seat fixed on one side of the lower die holder, wherein a conveying mechanism for conveying the back plate is arranged above the power seat, the top of the lower die holder is fixedly connected with an upper die holder, the upper die holder is driven by a hydraulic mechanism to drive a power rod, and the bottom of the power rod is fixedly connected with a blanking head for blanking the back plate;

The top fixedly connected with reset spring of die holder, reset spring's top fixedly connected with adjustable shelf, the inner chamber of adjustable shelf rotates through the dwang and is connected with the extrusion pole, the equal fixedly connected with extrusion wheel in both ends of extrusion pole, buffer spring fixedly connected with carriage is passed through at the top of adjustable shelf, the surface at the power pole is established to the carriage cover, and with the surface sliding connection of power pole, the power pole is located the surface fixedly connected with holding down plate of carriage top, places the backplate in the die holder top, then rotates in the inner groovy and carries the backplate through the push pedal, carries the backplate behind the die-cut head, and the conveyer belt stops carrying, then descends through hydraulic mechanism drive power pole and carry out the blanking to the backplate through die-cut head push fit shaping groove to the holding down in this moment, and the holding down plate of top of power pole top pushes down earlier, and pushes down the carriage, and then carries out spacing to the backplate, then carries out the impact force to the backplate, the opposite extrusion wheel is not pushed down to the side of die-cut, the impact force is guaranteed to the backplate when the die-cut, and the opposite extrusion wheel is carried out to the opposite direction, the impact force is not carried out to the opposite to the extrusion lever.

The conveying mechanism comprises a conveying belt which is driven by a power roller above a power seat, one side of the conveying belt penetrates through and extends to an inner cavity of a lower die holder, an inner groove which is matched with the surface of the conveying belt is formed in the inner cavity of the lower die holder, a plurality of pushing plates which are uniformly distributed are fixedly connected to the surface of the conveying belt, the top of the conveying belt is positioned below the lower die holder, the pushing plates are positioned above the lower die holder, when the conveying mechanism is used, the backboard is placed above the lower die holder, then the conveying belt rotates in the inner groove to convey the backboard through the pushing plates, the backboard can be fed in a rapid circulation mode, the space above the lower die holder is not occupied, an effective supporting effect is achieved when the backboard is punched by a punching head, and normal machining is not interfered when the backboard can be conveyed.

As a further scheme of the utility model, the inner cavity of the lower die holder is provided with the forming groove matched with the punching head, the surface of the lower die holder is provided with the slope positioned on the right side of the forming groove, and the backboard after punching forming can be effectively output along the slope through the setting of the slope, so that the situation of clamping and stopping does not occur.

As a further scheme of the utility model, two extrusion wheels are arranged, and are symmetrically arranged on two sides of the extrusion rod by taking the rotary rod as the center, after one extrusion wheel of the two extrusion wheels is extruded, the extrusion wheel on the other side is forced by the rotary rod, the force balance of the two sides is effectively kept by the lever principle, and the back plate is prevented from being deformed in the blanking process due to overlarge pressure of the back plate by the single side.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the punching head descends until the backboard is punched, the lower pressing plate moves downwards to continuously extrude the reset spring and the buffer spring, the left side of the backboard is tilted after the right side of the backboard receives downward impact force and is pressed by the extrusion wheels below the extrusion rod, and the rotation rod rotates to balance the forces of the extrusion wheels on two sides of the extrusion rod under the leverage effect because the two extrusion wheels are different in position and are different in reaction force of the backboard, so that the backboard is uniformly pressed, and the backboard is effectively prevented from deforming.

2. According to the utility model, the back plate is placed above the lower die holder when the die-cutting machine is used, then the conveying belt rotates in the inner groove to convey the back plate through the push plate, so that the back plate can be conveyed in a rapid cycle mode, meanwhile, the space above the lower die holder is not occupied, an effective supporting effect is achieved when the die-cutting head is used for punching the back plate, and normal machining is not interfered when the back plate can be conveyed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the power seat and lower die holder of the present utility model;

fig. 3 is an enlarged view of a portion of fig. 1a in accordance with the present utility model.

In the figure, 1, a power seat; 2, a lower die holder, 3, a conveying belt, 4, a push plate, 5, an inner groove, 6, a power rod, 7, a lower pressing plate, 9, a punching head, 11, a return spring, 12, a movable frame, 13, a rotating rod, 14, a squeezing rod, 15, a squeezing wheel, 16, a buffer spring, 17, a sliding frame, 18, an upper die holder, 19 and a slope.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-3, the utility model provides a technical scheme that a refrigerator backboard blanking and flanging die comprises a lower die holder 2 and a power seat 1 fixed on one side of the lower die holder 2, wherein a conveying mechanism for conveying a backboard is arranged above the power seat 1, an upper die holder 18 is fixedly connected to the top of the lower die holder 2, a power rod 6 is driven by the upper die holder 18 through a hydraulic mechanism, and a blanking head 9 for blanking the backboard is fixedly connected to the bottom of the power rod 6;

The top of the lower die holder 2 is fixedly connected with a reset spring 11, the top of the reset spring 11 is fixedly connected with a movable frame 12, an inner cavity of the movable frame 12 is rotationally connected with a squeeze rod 14 through a rotary rod 13, both ends of the squeeze rod 14 are fixedly connected with squeeze wheels 15, the top of the movable frame 12 is fixedly connected with a sliding frame 17 through a buffer spring 16, the sliding frame 17 is sleeved on the surface of a power rod 6 and is in sliding connection with the surface of the power rod 6, the surface of the power rod 6 above the sliding frame 17 is fixedly connected with a lower pressing plate 7, a back plate is placed above the lower die holder 2, then a conveying belt 3 rotates in an inner groove 5 to convey the back plate through a push plate 4, after the back plate is conveyed to the lower part of a punching head 9, then the conveying belt 3 stops conveying, the power rod 6 is driven to descend through a hydraulic mechanism to press and fit a forming groove to punch the back plate through the punching head 9, when the power rod 6 is pressed down, the upper pressing plate 7 is pressed down and pressed to the sliding frame 17, the sliding frame 17 drives the movable frame 12 to move downwards to press the buffer spring 16 and the return spring 11, the pressing wheels 15 of the pressing rod 14 move downwards to abut against the top of the backboard, the backboard is limited, then the punching head 9 continues to descend until the backboard is punched, the lower pressing plate 7 moves downwards to press the return spring 11 and the buffer spring 16 continuously, then the right side of the backboard is pressed by the downward impact force, then the left side of the backboard is tilted, the pressing wheels 15 under the pressing rod 14 are pressed, and because the positions of the two pressing wheels 15 are different and the positions of the two pressing wheels 15 are different, the rotating rod 13 rotates to balance the forces of the pressing wheels 15 at the two sides of the pressing rod 14 under the leverage, so that the backboard is pressed uniformly, and the backboard is effectively prevented from deforming.

The conveying mechanism comprises a conveying belt 3 which is driven by a power roller above a power seat 1, one side of the conveying belt 3 penetrates through and extends to an inner cavity of a lower die holder 2, an inner groove 5 which is matched with the surface of the conveying belt 3 is formed in the inner cavity of the lower die holder 2, a plurality of push plates 4 which are evenly distributed are fixedly connected with the surface of the conveying belt 3, the top of the conveying belt 3 is located below the lower die holder 2, the push plates 4 are located above the lower die holder 2, the back plates are placed above the lower die holder 2 in use, then the conveying belt 3 rotates in the inner groove 5 to convey the back plates through the push plates 4, the back plates can be fed in a rapid circulation mode, the space above the lower die holder 2 is not occupied, an effective supporting function is achieved when the back plates are punched through punching heads 9, and normal machining is not interfered when the back plates can be conveyed.

The inner chamber of die holder 2 has been seted up and has been punched the shaping groove of head 9 adaptation, and slope 19 that is located shaping groove right side is seted up on the surface of die holder 2, through the setting of slope 19, and the backplate after the blanking shaping can effectually export along slope 19, can not take place the condition of card.

The extrusion wheel 15 is provided with two, and regards as the dwang 13 as the bilateral symmetry setting of center at extrusion pole 14, and after two extrusion wheels 15 received the extrusion, the extrusion wheel 15 of one side was passed through dwang 13 to the other, effectively keeps both sides force balance through lever principle, prevents that the unilateral from exerting pressure too big to the backplate, leads to the backplate to produce deformation at the in-process of blanking.

The present utility model is not limited in any way by the above-described preferred embodiments, but is not limited to the above-described preferred embodiments, and any person skilled in the art will appreciate that the present utility model can be embodied in the form of a program for carrying out the method of the present utility model, while the above disclosure is directed to equivalent embodiments capable of being modified or altered in some ways, it is apparent that any modifications, equivalent variations and alterations made to the above embodiments according to the technical principles of the present utility model fall within the scope of the present utility model.

Claims (4)

1. The refrigerator backboard blanking and flanging die comprises a lower die holder (2) and a power seat (1) fixed on one side of the lower die holder (2), and is characterized in that a conveying mechanism for conveying a backboard is arranged above the power seat (1), an upper die holder (18) is fixedly connected to the top of the lower die holder (2), a power rod (6) is driven by the upper die holder (18) through a hydraulic mechanism, and a blanking head (9) for blanking the backboard is fixedly connected to the bottom of the power rod (6);

The die comprises a die holder (2), a reset spring (11) is fixedly connected to the top of the die holder (2), a movable frame (12) is fixedly connected to the top of the reset spring (11), an extrusion rod (14) is rotatably connected to an inner cavity of the movable frame (12) through a rotary rod (13), extrusion wheels (15) are fixedly connected to two ends of the extrusion rod (14), a sliding frame (17) is fixedly connected to the top of the movable frame (12) through a buffer spring (16), the sliding frame (17) is sleeved on the surface of a power rod (6), the sliding frame is slidably connected with the surface of the power rod (6), and a lower pressing plate (7) is fixedly connected to the surface of the power rod (6) above the sliding frame (17).

2. The refrigerator backboard blanking and flanging die disclosed in claim 1 is characterized in that the conveying mechanism comprises a conveying belt (3) which is driven by a power roller above a power seat (1), one side of the conveying belt (3) penetrates through and extends to an inner cavity of a lower die holder (2), an inner groove (5) which is matched with the surface of the conveying belt (3) is formed in the inner cavity of the lower die holder (2), a plurality of pushing plates (4) which are uniformly distributed are fixedly connected to the surface of the conveying belt (3), the top of the conveying belt (3) is located below the lower die holder (2), and the pushing plates (4) are located above the lower die holder (2).

3. The refrigerator backboard blanking and flanging die disclosed in claim 1 is characterized in that a forming groove matched with the blanking head (9) is formed in the inner cavity of the lower die holder (2), and a slope (19) positioned on the right side of the forming groove is formed in the surface of the lower die holder (2).

4. The refrigerator backboard blanking and flanging die as claimed in claim 1, wherein two extrusion wheels (15) are arranged, and the extrusion wheels are symmetrically arranged on two sides of the extrusion rod (14) with the rotary rod (13) as a center.