CN210131982U - Multi-station low-abrasion ball type double-flanging lower die - Google Patents

Abstract

The utility model discloses a low ball formula double folds lower mould that wears of multistation, including the die holder, the movable groove has been seted up to the die holder inside, and the inside swing joint of movable groove has last casting die, go up casting die lower extreme fixedly connected with movable rod, and movable rod and movable groove swing joint, go up the casting die and pass through movable rod and movable groove and die holder swing joint, and the inside mounting groove of having seted up of movable rod, the inside fixedly connected with buffer spring of mounting groove, and buffer spring lower extreme and activity tank bottom fixed connection, the movable rod passes through buffer spring and movable groove swing joint, the inboard swing joint of last casting die has the no trace kingpin, and passes the casting die inboard and extend to the casting die outside in the no trace kingpin outside. This low ball formula of wearing and tearing of multistation double folds lower mould through having seted up multiunit movable groove in that the die holder is inside, has increased holistic speed of bending to the effect of bending of machined part has been increased, thereby has increased holistic practicality.

Description

Multi-station low-abrasion ball type double-flanging lower die

Technical Field

The utility model relates to the technical field of mold, specifically be a low ball formula double folds lower mould that wears of multistation.

Background

The mould is a tool for changing a blank into a specific shape and a specific size under the action of external force, the processing of the shape of an article is realized mainly by changing the physical state of a formed material, the mould has a specific contour or an inner cavity shape, and the blank can be separated according to the contour shape by applying the contour shape with a cutting edge.

However, the existing ball type double-folding lower die can only bend a workpiece at a single station, so that the integral bending speed is reduced, the production efficiency of the workpiece is reduced, and the existing ball type double-folding lower die easily causes abrasion of the lower die and the upper die in the process of bending the workpiece, so that the integral service life is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low ball formula double folding lower mould that wears of multistation to propose current ball formula double folding lower mould in solving above-mentioned background art, all can only bend the machined part of single station, reduced the speed of whole bending, thereby reduce the efficiency of machined part production, and current ball formula double folding lower mould causes the wearing and tearing of lower mould and last mould easily at the in-process of bending the machined part, thereby reduced whole life-span problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multistation low wear ball formula double folds lower mould, includes the die holder, the movable groove has been seted up to the die holder inside, and the inside swing joint of movable groove has last casting die, go up casting die lower extreme fixedly connected with movable rod, and movable rod and movable groove swing joint, go up the casting die and pass through movable rod and movable groove and die holder swing joint, and the inside mounting groove that has seted up of movable rod, the inside fixedly connected with buffer spring of mounting groove, and buffer spring lower extreme and movable groove bottom end fixed connection, the movable rod passes through buffer spring and movable groove swing joint, the inboard swing joint of last casting die has the no trace kingpin, and the no trace kingpin outside passes the casting die inboard and extends to the mould pressing piece outside.

Preferably, the movable grooves are distributed in the lower die base at equal intervals, the movable grooves are distributed corresponding to the upper die pressing part, the shape and the size of the movable grooves are matched with those of the movable rods, the lower ends of the movable rods are fixedly connected with rubber cushions, and the length and the width of each rubber cushion are equal to those of the movable rods.

Preferably, the rear end of the upper die casting part is fixedly connected with a positioning rod, the rear end of the inner side of the lower die holder is provided with a positioning groove, the positioning groove is movably connected with the positioning rod, the positioning rod is of a T-shaped structure and is matched with the positioning groove in shape and size, and the positioning rod and the positioning groove are distributed corresponding to the upper die casting part.

Preferably, the upper die casting piece is of a structure with a V-shaped opening at the upper end, the inside of the upper die casting piece is movably connected with a ball body, the outer side of the ball body is movably connected with the outer side of a traceless roller pin, and two groups of traceless roller pins are symmetrically distributed around the vertical center line of the upper die casting piece.

Preferably, the buffer springs are distributed in the movable rod at three groups at equal intervals, and the outer sides of the buffer springs are not attached to the inner sides of the movable rod.

Preferably, the outer side of the positioning rod is attached to the inner side of the positioning groove, and the length of the positioning rod is smaller than the depth of the positioning groove.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-station low-abrasion ball type double-edge lower die has the advantages that the plurality of groups of movable grooves are formed in the lower die base, so that the plurality of groups of upper die pressing parts can move in the lower die base, thereby the whole can bend a plurality of groups of moulds at the same time, the bending speed of the whole is increased, the bending speed of the workpiece is increased, meanwhile, the lower end of the movable rod at the lower end of the upper mould pressing piece is additionally provided with a rubber cushion, and a buffer spring is added in the movable rod, thereby reducing the impact force generated when the upper die casting piece and the lower die holder are pressed together, reducing the integral abrasion, prolonging the integral service life, and the positioning rods and the positioning grooves are arranged in the upper die pressing piece and the lower die holder, so that the upper die pressing piece is kept stable in the moving process, the integral bending effect is improved, the device increases the overall bending speed and the bending effect of the machined part, thereby increasing the overall practicability.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the upper mold pressing part of the present invention.

In the figure: 1. a lower die holder; 2. a movable groove; 3. pressing the die; 4. a movable rod; 5. mounting grooves; 6. a buffer spring; 7. a traceless roller pin; 8. a rubber cushion; 9. positioning a rod; 10. positioning a groove; 11. a ball body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a multistation low wear ball formula double folds lower mould, including die holder 1, movable groove 2 has been seted up to die holder 1 inside, and the inside swing joint in movable groove 2 has last casting die 3, go up 3 lower extreme fixedly connected with movable rod 4 of casting die, and movable rod 4 and 2 swing joint in movable groove, go up casting die 3 through movable rod 4 and movable groove 2 and 1 swing joint of die holder, and the inside mounting groove 5 of having seted up of movable rod 4, the inside fixedly connected with buffer spring 6 in mounting groove 5, and 6 lower extremes of buffer spring and 2 bottom fixed connection in movable groove, movable rod 4 passes through buffer spring 6 and 2 swing joint in movable groove, go up 3 inboard swing joint in casting die have no trace kingpin 7, and the 3 inboard 3 outsides that extend to the mould pressing piece of last casting die are passed in the 7 outsides of no trace.

Further, the activity groove 2 is in 1 inside equidistant distribution of die holder, and activity groove 2 corresponds the distribution with last casting die 3, the shape size of activity groove 2 and the shape size looks adaptation of movable rod 4, and 4 lower extreme fixedly connected with rubber cushion 8 of movable rod, the length width of rubber cushion 8 equals with the length width of movable rod 4, rubber cushion 8 can reduce 4 lower extremes of movable rod and the 5 bottom striking produced impact force of mounting groove, thereby the wearing and tearing of movable rod 4 have been reduced, holistic life has been increased.

Further, go up casting die 3 rear end fixedly connected with locating lever 9, constant head tank 10 has been seted up to die holder 1 inboard rear end, and constant head tank 10 and locating lever 9 swing joint, locating lever 9 is T style of calligraphy structure, and the shape size looks adaptation of locating lever 9 and constant head tank 10, locating lever 9 corresponds casting die 3 with constant head tank 10 and distributes, locating lever 9 can move inside the constant head tank 10, thereby stability when casting die 3 removes on the assurance, the effect of bending of machined part has been increased.

Further, go up casting die 3 and for the upper end seted up V type open structure, and go up casting die 3 inside swing joint and have ball body 11, ball body 11 outside and no trace kingpin 7 outside swing joint, and no trace kingpin 7 has two sets of about last casting die 3 perpendicular center line symmetric distribution, the last casting die 3 that has seted up V type open structure of upper end can make things convenient for the machined part to bend, and no trace kingpin 7 can prevent the wearing and tearing that the machined part produced when getting into last casting die 3 simultaneously, has increased whole practicality.

Further, buffer spring 6 has three groups at the inside equidistant distribution of movable rod 4, and 6 outsides of buffer spring do not laminate with the 4 inboards of movable rod, and produced impact force when buffer spring 6 can reduce overall movement has increased holistic wearing and tearing to holistic life-span has been increased.

Further, the locating lever 9 outside is laminated each other with constant head tank 10 inboard, and locating lever 9 length is less than the degree of depth of constant head tank 10, and when locating lever 9 was removed in constant head tank 10 is inside, goes up casting die 3 and can not produce the skew, has increased the stability when casting die 3 removed.

The working principle is as follows: firstly, a workpiece is placed at a V-shaped opening at the upper end of an upper mould pressing piece 3, another workpiece is placed between the upper mould pressing piece 3 and a lower die holder 1, then the upper mould pressing piece 3 is driven to press downwards, the double-edge effect of two groups of workpieces is realized, in addition, a positioning rod 9 at the front end of the upper mould pressing piece 3 is mutually clamped with a positioning groove 10 at the inner side of the lower die holder 1 in the pressing-down process of the upper mould pressing piece 3, so that the upper mould pressing piece 3 cannot generate deviation in the moving process, the stability in integral bending is increased, meanwhile, a buffer spring 6 can reduce the impact force received by the upper mould pressing piece 3 in the pressing-down process of the upper mould pressing piece 3, a rubber cushion 8 can reduce the friction generated by the lower end of a movable rod 4 and the bottom end of a movable groove 2, the integral abrasion degree is reduced, the integral service life is prolonged, and, therefore, the whole machine can realize multi-station simultaneous processing, thereby increasing the whole bending speed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a low ball formula double folds lower mould that wears of multistation, includes the die holder, its characterized in that: the improved stamping die is characterized in that a movable groove is formed in the lower die holder, an upper stamping part is movably connected in the movable groove, a movable rod is fixedly connected to the lower end of the upper stamping part and movably connected with the movable groove, the upper stamping part is movably connected with the movable groove and the lower die holder through the movable rod, a mounting groove is formed in the movable rod, a buffer spring is fixedly connected in the mounting groove, the lower end of the buffer spring is fixedly connected with the bottom end of the movable groove, the movable rod is movably connected with the movable groove through the buffer spring, a traceless roller pin is movably connected to the inner side of the upper stamping part, and the outer side of the traceless roller pin penetrates through the inner side.

2. The multi-station low-wear ball type double-flanging lower die as claimed in claim 1, wherein: the movable groove is distributed in the lower die base at equal intervals, the movable groove and the upper die pressing piece are distributed correspondingly, the shape and the size of the movable groove are matched with those of the movable rod, the lower end of the movable rod is fixedly connected with a rubber cushion, and the length and the width of the rubber cushion are equal to those of the movable rod.

3. The multi-station low-wear ball type double-flanging lower die as claimed in claim 1, wherein: the die comprises an upper die casting part and a lower die holder, and is characterized in that a positioning rod is fixedly connected to the rear end of the upper die casting part, a positioning groove is formed in the rear end of the inner side of the lower die holder and is movably connected with the positioning rod, the positioning rod is of a T-shaped structure and is matched with the positioning groove in shape and size, and the positioning rod and the positioning groove are distributed in a corresponding mode.

4. The multi-station low-wear ball type double-flanging lower die as claimed in claim 1, wherein: the upper die casting piece is of a V-shaped opening structure arranged at the upper end, the inside of the upper die casting piece is movably connected with a ball body, the outer side of the ball body is movably connected with the outer side of a traceless roller pin, and two groups of traceless roller pins are symmetrically distributed around the vertical center line of the upper die casting piece.

5. The multi-station low-wear ball type double-flanging lower die as claimed in claim 1, wherein: three groups of buffer springs are distributed in the movable rod at equal intervals, and the outer sides of the buffer springs are not attached to the inner sides of the movable rods.

6. The multi-station low-wear ball type double-flanging lower die as claimed in claim 3, wherein: the locating lever outside is laminated each other with the constant head tank inboard, and locating lever length is less than the degree of depth of constant head tank.

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