CN209849691U - Refrigerator backplate drawing die - Google Patents

Abstract

The utility model discloses a refrigerator backboard drawing die, which comprises a bottom plate and a lower die holder, wherein the lower die holder is arranged at the middle position of the top of the bottom plate, slide rods are arranged at four corners of the top of the bottom plate, a top plate is movably arranged on each slide rod through a slide sleeve, an upper die plate is arranged at the middle position of the bottom of each top plate and corresponds to the lower die holder, a drawing punch head is arranged at the bottom of each upper die plate, a drawing punching groove matched with the drawing punch head is arranged at the top of the lower die holder, a drawing top block is movably arranged in the drawing punching groove, and an extrusion bin is arranged in the lower die holder below the drawing punching groove; the utility model discloses a tensile drift downstream, the effect of the tensile die cut of cooperation makes the part that panel did not compressed tightly take place tensile deformation, and at this in-process, tensile kicking block and tensile drift press from both sides tight this part panel, make this part panel receive the extrusion force of two upper and lower directions, difficult emergence fracture.

Description

Refrigerator backplate drawing die

Technical Field

The utility model relates to a refrigerator processing equipment technical field especially relates to a tensile mould of refrigerator backplate.

Background

Along with the development of the domestic appliance market in China, no matter domestic refrigerator is in structural design, performance design or appearance molding design, all there has been rapid development, and in the manufacturing of refrigerator, need carry out tensile plastic to a certain position of backplate, this just needs to use tensile mould, current tensile mould is when drawing refrigerator backplate a certain position, the proportion that takes place tensile deformation part's material and change can not be too big, if too big, the fracture takes place easily by tensile part, the tensile degree has been restricted, and current tensile mould, after drawing the refrigerator backplate, the cope match-plate pattern adsorbs tightly easily, be difficult to the die sinking, take off the material troublesome, therefore, the utility model provides a refrigerator backplate tensile mould is in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a tensile mould of refrigerator backplate, this tensile mould of refrigerator backplate is when tensile to the refrigerator backplate, the cope match-plate pattern pushes down the die holder and compresses tightly the backplate, tensile drift is along with the pushing down of cope match-plate pattern and downstream, the effect of the tensile dashing groove of cooperation, the part that makes panel not compressed tightly takes place tensile deformation, thereby make required shape, at this in-process, effect through extrusion spring, tensile kicking block and tensile drift press from both sides tight this part panel, make this part panel receive the extrusion force of two upper and lower directions, this extrusion force can make this part material flow by tensile part to both sides, be difficult for taking place the fracture, improve the tensile distance of panel.

In order to solve the problems, the utility model provides a refrigerator backboard drawing die, which comprises a bottom plate and a lower die holder, wherein the lower die holder is arranged at the middle position of the top of the bottom plate, and four corners of the top of the bottom plate are respectively provided with a sliding rod, a top plate is movably arranged on the sliding rods through sliding sleeves, an upper template is arranged in the middle of the bottom of the top plate, the upper template corresponds to the lower die holder, the bottom of the upper template is provided with a drawing punch, the top of the lower die holder is provided with a drawing punching groove matched with the drawing punch, a stretching ejecting block is movably arranged in the stretching punching groove, an extrusion bin is arranged in the lower die holder below the stretching punching groove, the extrusion bin is communicated with the stretching punching groove, a fixture block positioned in the extrusion bin is arranged below the stretching jacking block, and an extrusion spring is arranged between the bottom of the fixture block and the bottom inside the extrusion bin.

The further improvement lies in that: the middle positions of the two sides of the bottom plate are provided with servo motors through supporting plates, the output ends of the servo motors are provided with threaded screw rods, and the middle positions of the two sides of the top plate are provided with nut sleeves matched with the threaded screw rods.

The further improvement lies in that: the lower position department of cope match-plate pattern installs and takes off the flitch, tensile drift runs through take off the flitch, the inside both sides of cope match-plate pattern all are equipped with the pneumatic cylinder, and the output of pneumatic cylinder with take off the flitch and be connected.

The further improvement lies in that: the bottom of the bottom plate is provided with foot pads, and the foot pads are at least provided with four groups.

The further improvement lies in that: and a lubricating oil pump is arranged in the middle of the bottom plate, and the output end of the lubricating oil pump is communicated with the stretching punching groove through a guide pipe.

The utility model has the advantages that: the utility model discloses when tensile to the refrigerator backplate, the cope match-plate pattern pushes down the die holder and compresses tightly the backplate, tensile drift moves down along with the pushing down of cope match-plate pattern, the effect of tensile die-cut is coordinated, make the part that panel is not compressed tightly take place tensile deformation, thereby make required shape, in this process, through the effect of extrusion spring, tensile kicking block and tensile drift press from both sides tight this part panel, make this part panel receive the extrusion force of upper and lower two directions, this extrusion force can make this part material flow to both sides by the tensile part, be difficult for breaking, improve the tensile distance of panel, and the utility model discloses a servo motor makes the screw rod rotate, thereby make the nut cover rise or descend, come to cover or open the cope match-plate pattern, convenient die sinking, simultaneously, after the die sinking, because the effect of extrusion spring, make tensile kicking block ejecting the tensile part of panel, the stripper plate is driven by the pneumatic cylinder to be pressed downwards, so that the stretching part of the plate is separated from the stretching punch, the back plate is separated from the lower die holder and the upper die plate conveniently, in addition, lubricating oil can be introduced into the stretching punching groove through a lubricating oil pump, and the damage caused by the friction of the plate at the stretching part and the inner wall of the stretching punching groove is avoided.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of a partial structure of the present invention.

Fig. 3 is a schematic diagram of the upper plate structure of the present invention.

Fig. 4 is a schematic structural view of the lower die holder of the present invention.

Wherein: the method comprises the following steps of 1-bottom plate, 2-lower die holder, 3-slide rod, 4-top plate, 5-upper die plate, 6-stretching punch, 7-stretching punch groove, 8-stretching top block, 9-extruding bin, 10-extruding spring, 11-servo motor, 12-threaded screw rod, 13-nut sleeve, 14-stripper plate, 15-pneumatic cylinder, 16-foot pad and 17-lubricating oil pump.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to fig. 1, 2, 3, and 4, the embodiment provides a refrigerator backboard stretching die, which includes a bottom plate 1 and a lower die holder 2, the lower die holder 2 is disposed at a middle position of the top of the bottom plate 1, slide rods 3 are disposed at four corners of the top of the bottom plate 1, a top plate 4 is movably mounted on each slide rod 3 through a slide sleeve to limit the vertical movement of the top plate 4, an upper die plate 5 is disposed at a middle position of the bottom of the top plate 4, the upper die plate 5 corresponds to the lower die holder 2, a stretching punch 6 is disposed at the bottom of the upper die plate 5, a stretching punch slot 7 matched with the stretching punch 6 is disposed at the top of the lower die holder 2, the upper die plate 5 presses the lower die holder 2 to compress a backboard, the stretching punch 6 moves downward along with the pressing of the upper die plate 5 to cooperate with the effect of the stretching punch slot 7 to stretch and deform the uncompressed part of the board, therefore, the sheet material is manufactured into a required shape, a stretching ejection block 8 is movably mounted inside a stretching punching groove 7, an extrusion bin 9 is arranged in the lower die base 2 below the stretching punching groove 7, the extrusion bin 9 is communicated with the stretching punching groove 7, a clamping block located in the extrusion bin 9 is arranged below the stretching ejection block 8, an extrusion spring 10 is arranged between the bottom of the clamping block and the bottom inside the extrusion bin 9, the stretching ejection block 8 and the stretching punch 6 clamp the sheet material under the action of the extrusion spring 10, the sheet material is subjected to extrusion forces in the upper direction and the lower direction, and the sheet material can flow to the stretched parts on two sides under the action of the extrusion force.

The middle positions of two sides of the bottom plate 1 are respectively provided with a servo motor 11 through a support plate, the type of the servo motor 11 is Y90S-2, the output end of the servo motor 11 is provided with a threaded screw rod 12, the middle positions of two sides of the top plate 4 are provided with nut sleeves 13 matched with the threaded screw rods 12, the threaded screw rods 12 are rotated through the servo motor 11, and therefore the nut sleeves 13 are lifted or lowered to cover or open the upper mold plate 5, and mold opening is facilitated.

The lower position of the upper template 5 is provided with a stripper plate 14, the stretching punch 6 penetrates through the stripper plate 14, two sides of the interior of the upper template 5 are respectively provided with a pneumatic cylinder 15, the output end of the pneumatic cylinder 15 is connected with the stripper plate 14, and the stripper plate 14 is driven to be pressed downwards by the pneumatic cylinder 15, so that the stretching part of the plate is separated from the stretching punch 6.

The bottom of the bottom plate 1 is provided with four foot pads 16, and the foot pads 16 are provided with four groups, so that the device is more stable.

The lubricating oil pump 17 is arranged in the middle of the bottom plate 1, the output end of the lubricating oil pump 17 is communicated with the stretching punching groove 7 through a guide pipe, lubricating oil can be introduced into the stretching punching groove 7 through the lubricating oil pump 17, and damage caused by friction of a stretching part plate and the inner wall of the stretching punching groove 7 is avoided.

When the refrigerator backboard stretching die stretches a refrigerator backboard, an upper die plate 5 presses a lower die holder 2 downwards to press the backboard, a stretching punch 6 moves downwards along with the downward pressing of the upper die plate 5, the stretching punch 7 is matched to perform stretching deformation on the part of the board which is not pressed, so that the board is manufactured into a required shape, in the process, a stretching ejector block 8 and the stretching punch 6 clamp the part of the board under the action of an extrusion spring 10, the part of the board is subjected to extrusion forces in the upper direction and the lower direction, the extrusion forces can enable the part of the material to flow to the stretched part on two sides and not to be easily broken, the stretching distance of the board is increased, the refrigerator backboard stretching die rotates a threaded screw rod 12 through a servo motor 11, so that a nut sleeve 13 is lifted or lowered to cover or open the upper die plate 5, the die opening is convenient, and simultaneously, after the die opening is performed, due to the action of the extrusion spring 10, the tensile part of the ejecting panel of messenger's tensile kicking block 8, take off flitch 14 through pneumatic cylinder 15 drive and push down, make the tensile part of panel break away from tensile drift 6, make things convenient for the backplate to break away from die holder 2 and cope match-plate pattern 5, in addition, can lead to lubricating oil in to tensile dashing groove 7 through lubricating oil pump 17, avoid tensile position panel and tensile dashing groove 7 inner wall friction to cause the damage.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a tensile mould of refrigerator backplate, includes bottom plate (1) and die holder (2), its characterized in that: the die comprises a bottom plate (1), a lower die holder (2) is arranged at the middle position of the top of the bottom plate (1), slide rods (3) are arranged at four corners of the top of the bottom plate (1), a top plate (4) is movably mounted on each slide rod (3) through a sliding sleeve, an upper die plate (5) is arranged at the middle position of the bottom of the top plate (4), the upper die plate (5) corresponds to the lower die holder (2), a stretching punch (6) is arranged at the bottom of the upper die plate (5), a stretching punching groove (7) matched with the stretching punch (6) is arranged at the top of the lower die holder (2), a stretching jacking block (8) is movably mounted inside the stretching punching groove (7), an extrusion bin (9) is arranged in the lower die holder (2) below the stretching punching groove (7), the extrusion bin (9) is communicated with the stretching punching groove (7), a clamping block positioned in the extrusion bin (9) is arranged below the stretching jacking block (8), and an extrusion spring (10) is arranged between the bottom of the clamping block and the bottom inside the extrusion bin (9).

2. The refrigerator backboard stretching die as claimed in claim 1, wherein: the middle positions of two sides of the bottom plate (1) are respectively provided with a servo motor (11) through a supporting plate, the output end of the servo motor (11) is provided with a threaded screw rod (12), and the middle positions of two sides of the top plate (4) are provided with nut sleeves (13) matched with the threaded screw rods (12).

3. The refrigerator backboard stretching die as claimed in claim 1, wherein: the die is characterized in that a stripper plate (14) is installed at the position below the upper die plate (5), the stretching punch head (6) penetrates through the stripper plate (14), pneumatic cylinders (15) are arranged on two sides of the interior of the upper die plate (5), and the output ends of the pneumatic cylinders (15) are connected with the stripper plate (14).

4. The refrigerator backboard stretching die as claimed in claim 1, wherein: the bottom of the bottom plate (1) is provided with foot pads (16), and the foot pads (16) are at least provided with four groups.

5. The refrigerator backboard stretching die as claimed in claim 1, wherein: a lubricating oil pump (17) is arranged in the middle of the bottom plate (1), and the output end of the lubricating oil pump (17) is communicated with the stretching punching groove (7) through a guide pipe.