CN209664128U - A kind of tooth fan molding die - Google Patents

Abstract

The utility model discloses a kind of teeth to fan molding die, it includes cope plate and lower template, guide post A and screw rod are symmetrically installed at left and right sides of cope plate lower end, the lower end guide post A is connected with middle pressing plate, lower template upper end is connected with cylinder A, guide plate is connected on the outside of cylinder A, lower part is equipped with mandril in cylinder A, the upper end cylinder A is connected with cylinder B, bar periphery is separately installed with lower die gasket ring A and lower die gasket ring B in cylinder A and cylinder B, the upper end cylinder B is connected with lower mold fixed plate, lower mold core is installed in lower mold fixed plate, guide holder is provided at left and right sides of lower template, guide holder upper end is connected with guide post, guide post upper end is equipped with guide post B, upper die body is installed in the middle part of cope plate lower end, drift is installed in upper die body, drift lower end is connected with formed punch, middle part is equipped with upper mould fixed plate in middle pressing plate, upper mold is fixed Upper mold core is installed between plate and formed punch；The utility model has the advantages that production cost is low, rejection rate is low, machining accuracy and high-efficient.

Description

A kind of tooth fan molding die

Technical field

The utility model relates to stamping die technologies more particularly to a kind of tooth to fan molding die.

Background technique

Tooth fan is the components of automobile RCB diverter, in the production process of tooth fan, is related to the blanking of tooth fan, forging, just The processes such as fire, ball blast, marking fan molding die using existing tooth, and in tooth fan forging process, tooth fan fan back has a large amount of oxygen Change skin accumulation, the defects of fan back folds, cause in process of production rejection rate it is high, in the subsequent polishing elimination defect mistake Time-consuming and laborious in journey, production cost is higher, and therefore, urgent need designs that a kind of production cost is low, machining accuracy is high, can effectively reduce Tooth fan fan back defect, rejection rate be low, high production efficiency tooth fans molding die.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of production cost it is low, processing essence Degree is high, low and high production efficiency the tooth fan molding die that can effectively reduce tooth fan fan back defect, rejection rate.

Purpose of the utility model is realized as follows: a kind of tooth fans molding die, it includes cope plate and lower template, institute It is symmetrically installed with guide post A and screw rod at left and right sides of the cope plate lower end stated, spring, the spring are installed on the screw rod Spring cushion block is provided between cope plate, the lower end guide post A is connected with middle pressing plate, the screw rod lower end by guide sleeve Middle pressing plate is fixed on to the lower section of cope plate in parallel by nut, the lower template upper end is fixedly connected with cylinder A, described It is fixedly connected with guide plate on the outside of cylinder A, lower part is equipped with top through the via hole of vee-block and lower template center in the cylinder A Bar, the vee-block are located at lower part in cylinder A and are cooperatively connected with the upper section periphery of mandril, the week of bar in the cylinder A Side clearance fit is equipped with lower die gasket ring A, and the upper end cylinder A is fixedly connected with cylinder B, bar in the cylinder B Peripheral clearance is fitted with lower die gasket ring B, and the upper end cylinder B is fixedly connected with lower mold fixed plate, and the lower die is solid Fixed board inner wall is fitted with lower mold core, and the bar is plugged in lower mold core, is provided at left and right sides of the lower template Guide holder, the guide holder upper end are fixedly connected with guide post, and the guide post upper end is fixedly installed with guide post B, described Guide plate and middle pressing plate inside be mounted on guide sleeve corresponding with guide post B, fixed peace in the middle part of the cope plate lower end Equipped with upper die body, drift is installed in the upper die body, the drift lower end is fixedly connected with formed punch, the formed punch card It connects in upper die body, bushing is equipped between the upper die body and formed punch, middle part is equipped with upper mold and fixes in the middle pressing plate Plate is equipped with upper mold core between the upper mould fixed plate and formed punch.

The lower die gasket ring B is set as eccentric structure.

Between the lower template and cylinder A, between cylinder A and cylinder B and guide plate, cylinder B and lower mold fixed plate it Between be connected by screw to.

The utility model generate the utility model has the advantages that the utility model discloses a kind of tooth fan molding die, heating is finished Bar insertion lower mold core in, starting press machine moves downward cope plate, and upper mould fixed plate and lower mold fixed plate press, upper mold Plate, which continues to move downward spring, to be compressed, and middle pressing plate is compacted, and formed punch continues to move downward dynamic, the In that contacts subsequent reforwarding with bar Under hydraulic press pressure, bar is extruded full of the tooth die being made of upper mold core and lower mold core, and cope plate moves upwards after pressure maintaining, Mandril moves upwards ejection shaping workpiece, takes out workpiece, completes entire forming action process；By the way that guide plate and guide post B is arranged, The concentricity up and down of mold can be improved, improve mold machining accuracy；It can be effective by the eccentric structure design of lower die gasket ring B Tooth fan fan back defect is reduced, production efficiency increases substantially；It is total, the utility model have production cost is low, machining accuracy is high, The advantages of low tooth fan fan back defect, rejection rate and high production efficiency can be effectively reduced.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that a kind of tooth of the utility model fans molding die.

Fig. 2 is the location diagram in a kind of tooth fan molding die of the utility model between lower die gasket ring B and bar.

In figure: 1, cope plate 2, spring cushion block 3, upper die body 4, drift 5, bushing 6, spring 7, screw rod 8, guide post A 9, guide sleeve 10, guide sleeve 11, guide post B 12, guide plate 13, guide post 14, guide holder 15, under Mould fixed plate 16, lower mold core 17, cylinder A 18, lower die gasket ring B 19, mandril 20, lower template 21, vee-block 22, lower die gasket ring A 23, cylinder B 24, bar 25, upper mould fixed plate 26, middle pressing plate 27, upper mold core 28, punching Head.

Specific embodiment

Embodiment 1

As shown in Figs. 1-2, a kind of tooth fans molding die, it includes cope plate 1 and lower template 20, under the cope plate 1 The end left and right sides is symmetrically installed with guide post A8 and screw rod 7, and spring 6, the spring 6 and upper mold are equipped on the screw rod 7 It is provided with spring cushion block 6 between plate 1, the lower end guide post A8 is connected with middle pressing plate 26 by guide sleeve 9, under the screw rod 7 Middle pressing plate 26 is fixed on the lower section of cope plate 1 by nut by end in parallel, and 20 upper end of lower template is fixedly connected with cylinder It is fixedly connected with guide plate 12 on the outside of A17, the cylinder A17, lower part is through vee-block 21 and lower template in the cylinder A17 The via hole at 20 centers is equipped with mandril 19, and the vee-block 21 is located at lower part in cylinder A17 and matches with the upper section periphery of mandril 19 Connection is closed, the peripheral clearance of bar is fitted with lower die gasket ring A22 in the cylinder A17, and the upper end cylinder A17 is solid Surely it is connected with cylinder B23, the peripheral clearance of bar 24 is fitted with lower die gasket ring B18, the cylinder in the cylinder B23 The upper end body B23 is fixedly connected with lower mold fixed plate 15, and 15 inner wall of lower mold fixed plate is fitted with lower mold core 16, described Bar 24 be plugged in lower mold core 16, guide holder 14, the guide holder 14 are provided at left and right sides of the lower template 20 Upper end is fixedly connected with guide post 13, and 13 upper end of guide post is fixedly installed with guide post B11, and the guide plate 12 is in It is mounted on guide sleeve 10 corresponding with guide post B11 inside pressing plate 26, is fixedly installed in the middle part of 1 lower end of cope plate Die body 3 is equipped with drift 4 in the upper die body 3, and 4 lower end of drift is fixedly connected with formed punch 28, the formed punch 28 It is connected in upper die body 4, bushing 5 is equipped between the upper die body 4 and formed punch 28, middle part is equipped in the middle pressing plate 26 Upper mould fixed plate 25 is equipped with upper mold core 27 between the upper mould fixed plate 25 and formed punch 28.

The utility model discloses a kind of teeth to fan molding die, in the bar insertion lower mold core that heating is finished, starting pressure Power machine moves downward cope plate, and upper mould fixed plate and lower mold fixed plate press, and cope plate, which continues to move downward spring, to be compressed, Middle pressing plate is compacted, and formed punch, which continues to move downward, contacts that subsequent reforwarding is dynamic, and under hydraulic press pressure, bar, which is extruded, to be filled with bar The full tooth die being made of upper mold core and lower mold core, cope plate moves upwards after pressure maintaining, and mandril moves upwards ejection shaping workpiece, Workpiece is taken out, entire forming action process is completed；By setting guide plate and guide post B, the concentricity up and down of mold can be improved, Improve mold machining accuracy.

Embodiment 2

As shown in Figs. 1-2, a kind of tooth fans molding die, it includes cope plate 1 and lower template 20, under the cope plate 1 The end left and right sides is symmetrically installed with guide post A8 and screw rod 7, and spring 6, the spring 6 and upper mold are equipped on the screw rod 7 It is provided with spring cushion block 6 between plate 1, the lower end guide post A8 is connected with middle pressing plate 26 by guide sleeve 9, under the screw rod 7 Middle pressing plate 26 is fixed on the lower section of cope plate 1 by nut by end in parallel, and 20 upper end of lower template is fixedly connected with cylinder It is fixedly connected with guide plate 12 on the outside of A17, the cylinder A17, lower part is through vee-block 21 and lower template in the cylinder A17 The via hole at 20 centers is equipped with mandril 19, and the vee-block 21 is located at lower part in cylinder A17 and matches with the upper section periphery of mandril 19 Connection is closed, the peripheral clearance of bar is fitted with lower die gasket ring A22 in the cylinder A17, and the upper end cylinder A17 is solid Surely it is connected with cylinder B23, the peripheral clearance of bar 24 is fitted with lower die gasket ring B18, the cylinder in the cylinder B23 The upper end body B23 is fixedly connected with lower mold fixed plate 15, and 15 inner wall of lower mold fixed plate is fitted with lower mold core 16, described Bar 24 be plugged in lower mold core 16, guide holder 14, the guide holder 14 are provided at left and right sides of the lower template 20 Upper end is fixedly connected with guide post 13, and 13 upper end of guide post is fixedly installed with guide post B11, and the guide plate 12 is in It is mounted on guide sleeve 10 corresponding with guide post B11 inside pressing plate 26, is fixedly installed in the middle part of 1 lower end of cope plate Die body 3 is equipped with drift 4 in the upper die body 3, and 4 lower end of drift is fixedly connected with formed punch 28, the formed punch 28 It is connected in upper die body 4, bushing 5 is equipped between the upper die body 4 and formed punch 28, middle part is equipped in the middle pressing plate 26 Upper mould fixed plate 25, is equipped with upper mold core 27 between the upper mould fixed plate 25 and formed punch 28, the lower die gasket ring B18 is set Be set to eccentric structure, between the lower template 20 and cylinder A17, between cylinder A17 and cylinder B23 and guide plate 12, cylinder It is connected by screw between B23 and lower mold fixed plate 15.

The utility model discloses a kind of teeth to fan molding die, in the bar insertion lower mold core that heating is finished, starting pressure Power machine moves downward cope plate, and upper mould fixed plate and lower mold fixed plate press, and cope plate, which continues to move downward spring, to be compressed, Middle pressing plate is compacted, and formed punch, which continues to move downward, contacts that subsequent reforwarding is dynamic, and under hydraulic press pressure, bar, which is extruded, to be filled with bar The full tooth die being made of upper mold core and lower mold core, cope plate moves upwards after pressure maintaining, and mandril moves upwards ejection shaping workpiece, Workpiece is taken out, entire forming action process is completed；By setting guide plate and guide post B, the concentricity up and down of mold can be improved, Improve mold machining accuracy；Tooth fan fan back defect, production efficiency can be effectively reduced by the eccentric structure design of lower die gasket ring B It increases substantially；It is total, the utility model have production cost is low, machining accuracy is high, can effectively reduce tooth fan fan back defect, The advantages of rejection rate is low and high production efficiency.

Claims (3)

1. a kind of tooth fans molding die, it includes cope plate and lower template, it is characterised in that: described cope plate lower end or so two Side is symmetrically installed with guide post A and screw rod, and spring is equipped on the screw rod, is provided with bullet between the spring and cope plate Spring cushion block, the lower end guide post A are connected with middle pressing plate by guide sleeve, and the screw rod lower end is parallel by middle pressing plate by nut It is fixed on the lower section of cope plate, the lower template upper end is fixedly connected with cylinder A, is fixedly connected on the outside of the cylinder A Guide plate, lower part is equipped with mandril through the via hole of vee-block and lower template center in the cylinder A, and the vee-block is located at cylinder It lower part and is cooperatively connected with the upper section periphery of mandril in body A, the peripheral clearance of bar is fitted with lower die in the cylinder A Gasket ring A, the upper end cylinder A are fixedly connected with cylinder B, and the peripheral clearance of bar is fitted with down in the cylinder B Die-cushion ring B, the upper end cylinder B are fixedly connected with lower mold fixed plate, and the lower mold fixed plate inner wall is fitted with down Mold core, the bar are plugged in lower mold core, are provided with guide holder at left and right sides of the lower template, on the guide holder End is fixedly connected with guide post, and the guide post upper end is fixedly installed with guide post B, and the guide plate and middle pressing plate inside are Guide sleeve corresponding with guide post B is installed, is fixedly installed with upper die body, the upper die body in the middle part of the cope plate lower end Drift is inside installed, the drift lower end is fixedly connected with formed punch, and the formed punch is connected in upper die body, the upper mold Bushing is equipped between body and formed punch, middle part is equipped with upper mould fixed plate, the upper mould fixed plate and punching in the middle pressing plate Upper mold core is installed between head.

2. a kind of tooth according to claim 1 fans molding die, it is characterised in that: the lower die gasket ring B is set as inclined Core structure.

3. a kind of tooth according to claim 1 fans molding die, it is characterised in that: between the lower template and cylinder A, It is connected by screw between cylinder A and cylinder B and guide plate, between cylinder B and lower mold fixed plate.