CN205200433U - Modulus is not less than 6 straight -teeth gear finish forge hot extrusion formation mould - Google Patents

Modulus is not less than 6 straight -teeth gear finish forge hot extrusion formation mould Download PDF

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Publication number
CN205200433U
CN205200433U CN201520921261.7U CN201520921261U CN205200433U CN 205200433 U CN205200433 U CN 205200433U CN 201520921261 U CN201520921261 U CN 201520921261U CN 205200433 U CN205200433 U CN 205200433U
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die
forging
profile
knock
forge
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CN201520921261.7U
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Chinese (zh)
Inventor
赵普良
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Dengzhou Liangji Forging Equipment Manufacturing Co Ltd
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Dengzhou Liangji Forging Equipment Manufacturing Co Ltd
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Abstract

The utility model belongs to a modulus is not less than 6 straight -teeth gear finish forge hot extrusion formation mould, including one forging forming die, two forge forming die and three forge forming die, one forges forming die includes and forges the terrace die, one forges the die and install one forge the knock -pin in one forges the die, and two forge forming die includes and two forge the terrace die, two forge the die and install two and forge two in the die and forge the knock -pin, and three forge forming die includes that three forge the terrace die and three forge the die, and three centers of forging the lower surface of terrace die are equipped with the centre bore drift that punches a hole, and three centers of forging the die are equipped with centre bore blanking hole, have that but simple structure, reasonable in design continuous production, material utilization rate and production efficiency are high, a wearability and the resistance to corrosion is good, the bending strength of straight -teeth gear root and fatigue performance can be strong and low in production cost's advantage.

Description

Modulus is not less than the spur gear finish forge hot extrusion shaping mold of 6
Technical field
The utility model belongs to spur gear production technical field, is specifically related to the spur gear finish forge hot extrusion shaping mold that a kind of modulus is not less than 6.
Background technology
Spur gear is the widely used part transmitting motion and power in all kinds of machinery, and traditional handicraft is generally adopt cutting working method to produce, and has lower column defects: its stock utilization when 1, producing in the production and application process of reality; 2, in production process, operation is loaded down with trivial details, and production efficiency is low, and production cost is high; 3, in use wearability and resistance to corrosion poor; The bending strength of the spur gear root 4, produced by traditional handicraft and poor fatigue properties, have a strong impact on its service life.
Utility model content
The purpose of this utility model be to overcome defect of the prior art and provide a kind of structure simple, reasonable in design, can high, the wearability of continuous seepage, stock utilization and production efficiency and resistance to corrosion is good, the bending strength of spur gear root and fatigue behaviour is strong and production cost is low modulus be not less than 6 spur gear finish forge hot extrusion shaping mold.
The purpose of this utility model is achieved in that this mould comprises a forging molding mould, two forging molding moulds and three forging molding moulds, one forging molding mould comprises a forging punch, a forging die and is arranged on the forging knock-pin in a forging die, the lower surface centre position of one forging punch is provided with the shunting projection of band gradient, and the upper surface of the described forging knock-pin position corresponding with being with the shunting projection of gradient is provided with is with the knock-pin of gradient to shunt projection; Two forging molding moulds comprise two forging punch, two forging dies and install two forging knock-pins in two forging dies, the outer surface of two forging punch is provided with the profile of tooth block matched with spur gear profile of tooth, its lower surface centre is provided with centre bore forming punching head, the inner surfaces of two forging dies be provided with match with spur gear profile of tooth two forge die profile of tooth block, described two outer surfaces forging knock-pins are provided with the knock-pin profile of tooth block matched with spur gear profile of tooth; Three forging molding moulds comprise three forging punch and three forging dies, and the center of the lower surface of described three forging punch is provided with centre bore pierce punch, and the center of three forging dies is provided with centre bore material-dropping hole.
Preferably, the circle that the cross section of the shunting projection lower surface of described band gradient is identical with sized by the cross section of the knock-pin shunting projection upper surface of band gradient.
Preferably, described two forging punch profile of tooth blocks, two forging die profile of tooth blocks are identical with the cross-sectional area of knock-pin profile of tooth block, and described two forging punch profile of tooth blocks, two forging die profile of tooth blocks and knock-pin profile of tooth block are longitudinally arranged on the same line.
The utility model makes the formation of spur gear inside fine and close and uniform material structure by mold hot extruding steel billet while avoiding waste of raw materials, crystal grain obtains refinement, along tooth profile, there is continuously reasonably metal streamline, form cementation zone, thus greatly improve the bending strength of the wearability of gear, resistance to corrosion and root, obviously improve the fatigue behaviour of gear; Have structure simple, reasonable in design, can high, the wearability of continuous seepage, stock utilization and production efficiency and resistance to corrosion is good, the bending strength of spur gear root and fatigue behaviour is strong and production cost is low advantage.
Accompanying drawing explanation
Fig. 1 is a forging molding mould structure schematic diagram of the present utility model;
Fig. 2 is two forging molding mould structure schematic diagrames of the present utility model;
Fig. 3 is three forging molding mould structure schematic diagrames of the present utility model.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described, label identical in the various figures represents identical parts.For making simplified form, only schematically show the part relevant to utility model in each figure, they do not represent its practical structures as product.
As shown in Figure 1, 2, 3, this mould of the utility model comprises a forging molding mould, two forging molding moulds and three forging molding moulds, one forging molding mould comprises a forging punch 10, and forges die 20 and be arranged on the forging knock-pin 30 in a forging die 20, the lower surface centre position of one forging punch 10 is provided with the shunting projection 11 of band gradient, and the upper surface of a described forging knock-pin 30 position corresponding with being with the shunting projection 11 of gradient is provided with is with the knock-pin of gradient to shunt projection 31; As shown in Figure 2, two forging molding moulds comprise two forging punch 40, two and forge die 50 and install two forging knock-pins 60 in two forging dies 50, the outer surface of two forging punch 40 is provided with the profile of tooth block 41 matched with spur gear profile of tooth, its lower surface centre is provided with centre bore forming punching head 42, the inner surfaces of two forging dies 50 be provided with match with spur gear profile of tooth two forge die profile of tooth block 51, described two outer surfaces forging knock-pins 60 are provided with the knock-pin profile of tooth block 61 matched with spur gear profile of tooth.As shown in Figure 3, three forging molding moulds comprise three forging punch 70 and three forging dies 80, and the center that described three centers of forging the lower surface of punch 70 are provided with centre bore pierce punch 71, three forging die 80 is provided with centre bore material-dropping hole 81.The circle that the cross section of shunting projection 11 lower surface of described band gradient is identical with sized by the cross section of knock-pin shunting projection 31 upper surface of band gradient.It is identical with the cross-sectional area of knock-pin profile of tooth block 61 that described two forging punch profile of tooth blocks 41, two forge die profile of tooth block 51, and described two forging punch profile of tooth blocks 41, two forge die profile of tooth block 51 and knock-pin profile of tooth block 61 is longitudinally arranged on the same line.
When using the utility model, first steel billet material is heated, then place it in a forging mould and carry out extrusion forging, make spur gear blank, then spur gear blank is placed in two forging moulds and carry out extrusion forging again, make spur gear semi-finished product blank, finally spur gear semi-finished product blank placed in three forging moulds and its centre bore gross weight is washed out, finished product.It is unreal that gear repeatedly extruded for steel billet material avoids bight to fill by the utility model while large, the intensity of guarantee density is high.The matching used hydraulic press of the utility model is preferably the patent No.: 201520015245.1, and patent name is: horizontal hydraulic machine; This mold hot extruding steel billet makes the formation of spur gear inside fine and close and uniform material structure while avoiding waste of raw materials, crystal grain obtains refinement, along tooth profile, there is continuously reasonably metal streamline, form cementation zone, thus greatly improve the bending strength of the wearability of gear, resistance to corrosion and root, obviously improve the fatigue behaviour of gear; Gear part stock utilization and production efficiency low, product cost is high.The utility model adopts the mode of essence extruding to prepare spur gear, and its spur gear prepared has the feature of high-performance, non-trimming, shape, and has significant advantages such as saving material, energy-conservation, cost is low and production efficiency is high.

Claims (3)

1. modulus is not less than a spur gear finish forge hot extrusion shaping mold of 6, it is characterized in that: this mould comprises a forging molding mould, two forging molding moulds and three forging molding moulds,
Forging knock-pin (30) that one forging molding mould comprises a forging punch (10), forging die (20) and is arranged in a forging die (20), the lower surface centre position of one forging punch (10) is provided with the shunting projection (11) of band gradient, and the upper surface of described forging knock-pin (30) position corresponding with being with the shunting projection (11) of gradient is provided with is with the knock-pin of gradient to shunt projection (31);
Two forging molding moulds comprise two forging punch (40), two forgings die (50) and two forgings knock-pin (60) of installing in two forgings die (50), the outer surface of two forgings punch (40) is provided with the profile of tooth block (41) matched with spur gear profile of tooth, its lower surface centre is provided with centre bore forming punching head (42), the inner surfaces of two forgings die (50) be provided with match with spur gear profile of tooth two forge die profile of tooth block (51), the outer surface of described two forgings knock-pin (60) is provided with the knock-pin profile of tooth block (61) matched with spur gear profile of tooth,
Three forging molding moulds comprise three forging punch (70) and three forgings die (80), the center of the lower surface of described three forgings punch (70) is provided with centre bore pierce punch (71), and the center of three forgings die (80) is provided with centre bore material-dropping hole (81).
2. modulus according to claim 1 is not less than the spur gear finish forge hot extrusion shaping mold of 6, it is characterized in that: the circle that the cross section of shunting projection (11) lower surface of described band gradient is identical with sized by the cross section of knock-pin shunting projection (31) upper surface of band gradient.
3. modulus according to claim 1 is not less than the spur gear finish forge hot extrusion shaping mold of 6, it is characterized in that: it is identical with the cross-sectional area of knock-pin profile of tooth block (61) that die profile of tooth block (51) is forged in described two forgings punch profile of tooth block (41), two, described two forgings punch profile of tooth block (41), two forgings die profile of tooth block (51) and knock-pin profile of tooth block (61) are longitudinally arranged on the same line.
CN201520921261.7U 2015-11-09 2015-11-09 Modulus is not less than 6 straight -teeth gear finish forge hot extrusion formation mould Active CN205200433U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520921261.7U CN205200433U (en) 2015-11-09 2015-11-09 Modulus is not less than 6 straight -teeth gear finish forge hot extrusion formation mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520921261.7U CN205200433U (en) 2015-11-09 2015-11-09 Modulus is not less than 6 straight -teeth gear finish forge hot extrusion formation mould

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CN205200433U true CN205200433U (en) 2016-05-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110238342A (en) * 2019-07-17 2019-09-17 重庆市忠德锻压有限公司 The forging and manufacturing process of gear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110238342A (en) * 2019-07-17 2019-09-17 重庆市忠德锻压有限公司 The forging and manufacturing process of gear

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Modulus is not less than 6 straight -teeth gear finish forge hot extrusion formation mould

Effective date of registration: 20191015

Granted publication date: 20160504

Pledgee: Bank of China Limited Dengzhou sub branch

Pledgor: DENGZHOU LIANGJI FORGING EQUIPMENT MANUFACTURING CO., LTD.

Registration number: Y2019990000334

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20201109

Granted publication date: 20160504

Pledgee: Bank of China Limited Dengzhou sub branch

Pledgor: DENGZHOU LIANGJI FORGING AND STAMPING EQUIPMENT MANUFACTURING Co.,Ltd.

Registration number: Y2019990000334

PC01 Cancellation of the registration of the contract for pledge of patent right