CN210701748U

CN210701748U - Multi-constraint flow guide cold extrusion straight tooth die

Info

Publication number: CN210701748U
Application number: CN201921145600.1U
Authority: CN
Inventors: 王茂林
Original assignee: Mianyang Runcheng Machinery Manufacturing Co Ltd
Current assignee: Mianyang Runcheng Machinery Manufacturing Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-09
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a cold extrusion straight-tooth mould of many restraint water conservancy diversion, include: the lower die comprises a first step and a second step, the second step is mounted on the surface of the upper end of the first step, bolt holes are mounted on two sides of the upper end of the second step, the first step and the second step are of cylindrical structures, clamping pieces are embedded in the centers of the first step and the second step from top to bottom in a penetrating mode, convex teeth are mounted on the inner walls of the clamping pieces, multiple groups of convex teeth are arranged, and the multiple groups of convex teeth are arranged on the inner walls of the clamping pieces in a surrounding mode; the upper die is arranged above the lower die and consists of a positioning plate, a first extrusion head and a second extrusion head. The utility model discloses the effectual holistic smooth finish that has improved the flank of tooth simultaneously through being provided with the fastener, has played good school type nature to the profile of tooth, can extrude a large amount of materials simultaneously to the central hole, has practiced thrift a large amount of processes.

Description

Multi-constraint flow guide cold extrusion straight tooth die

Technical Field

The utility model relates to a mould equipment field specifically is a cold extrusion straight-tooth mould of many restraint water conservancy diversion.

Background

The straight teeth are a classification mode of the gears, and are divided into plane gear rotation and space gear rotation according to the relative positions and the tooth directions of a pair of gear axes, and can be divided into open type transmission and closed type transmission according to different working conditions of the gears; the existing straight teeth are formed by pressing and combining upper and lower dies during manufacturing, most of finished products are low in yield when the existing straight tooth die is used, manufacturing procedures are complex, and overall stability is low.

The prior art has the following defects: when the existing straight tooth mold is used, most of finished products are low in rate, the manufacturing process is complex, the integral stability is low, the integral smooth finish of the tooth surface of the traditional straight tooth mold is low, and a large amount of materials are consumed for manufacturing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold extrusion straight-tooth mould of many restraint water conservancy diversion to when solving current straight-tooth mould and using, most yield is lower, and the simultaneous production process is more complicated, and overall stability is lower, the holistic smooth finish lower scheduling problem of traditional straight-tooth mould flank of tooth.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-restraint diversion cold extrusion straight tooth die comprises:

the lower die comprises a first step and a second step, the second step is mounted on the surface of the upper end of the first step, bolt holes are mounted on two sides of the upper end of the second step, the first step and the second step are of cylindrical structures, clamping pieces are embedded in the centers of the first step and the second step from top to bottom in a penetrating mode, convex teeth are mounted on the inner walls of the clamping pieces, multiple groups of convex teeth are arranged, and the multiple groups of convex teeth are arranged on the inner walls of the clamping pieces in a surrounding mode;

the upper die is arranged above the lower die and consists of a positioning plate, a first extrusion head and a second extrusion head, the first extrusion head is arranged at the bottom end of the positioning plate, the second extrusion head is fixedly arranged at the bottom end of the first extrusion head, and the second extrusion head is arranged at the center of the lower end of the first extrusion head;

the driving part comprises a limiting frame, a hydraulic machine, a sliding plate and two sets of sliding rods, the limiting frame is sleeved on two sides of the lower die, the hydraulic machine is installed on the top end of the inner wall of the limiting frame, the sliding plate is installed inside the limiting frame, the inner wall of the limiting frame is clamped with the sliding plate through the sliding rails, the telescopic end of the hydraulic machine is connected with the sliding plate, the end face of the lower end of the sliding plate is clamped with the upper die, the sliding rods penetrate through the sliding plate, one end of each sliding rod is abutted to the top end of the inner wall of the limiting frame, and the other end of each sliding rod is clamped with the bolt hole.

Preferably, the size of first halfpace is greater than the size of second halfpace, first halfpace, second halfpace all adopt alloy steel material to make.

Preferably, the clamping part is of a cylindrical structure, and the clamping piece is attached to the first step and the second step.

Preferably, the upper die and the lower die are matched, and the centers of the upper die and the lower die are located on the same axis.

Preferably, the first extrusion head and the second extrusion head are both cylindrical structures, and the size of the second extrusion head is smaller than that of the first extrusion head.

Preferably, one side of the second extrusion head facing the lower die is convexly arranged at the bottom end of the first extrusion head.

The utility model provides a cold extrusion straight-tooth mould of many restraint water conservancy diversion possesses following beneficial effect:

(1) the utility model discloses a center department of first halfpace and second halfpace all runs through under by and inlays and be equipped with the fastener, in the concrete use, can play good school type nature to the profile of tooth to, has guaranteed off-the-shelf quality simultaneously, through encircle being equipped with a plurality of groups dogtooth in fastener inside, and then carries out the ring gear punching press to the blank fast, has improved the holistic smooth finish of flank of tooth, has guaranteed work efficiency, can be in batches carry out punching press work.

(2) The utility model discloses a be equipped with the mould, in the concrete use, under the drive of hydraulic press, and then drive second extrusion head and blank center department contact, can extrude the central hole simultaneously, practiced thrift a large amount of materials, avoided a large amount of processes, simultaneously under the effect of first extrusion head, the drive blank removes, but rapid prototyping ring gear, simultaneously through being equipped with spacing, simultaneously under the auxiliary action of sliding plate, slide bar, whole punching press process stability has been guaranteed, and then the effectual finished product yields of having guaranteed.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a top view of the lower mold of the present invention;

fig. 3 is a schematic diagram of the structure of the upper mold of the present invention.

In the figure: 1. a lower die; 2. a first landing; 3. a second landing; 4. bolt holes; 5. a fastener; 6. a convex tooth; 7. an upper die; 8. positioning a plate; 9. a first extrusion head; 10. a second extrusion head; 11. a limiting frame; 12. a hydraulic press; 13. a sliding plate; 14. a slide bar.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a multi-restraint diversion cold extrusion straight tooth die comprises:

the lower die 1 comprises a first step 2 and a second step 3, the second step 3 is mounted on the upper end surface of the first step 2, bolt holes 4 are mounted on two sides of the upper end of the second step 3, the first step 2 and the second step 3 are both cylindrical structures, clamping pieces 5 are embedded in the centers of the first step 2 and the second step 3 from top to bottom in a penetrating manner, convex teeth 6 are mounted on the inner walls of the clamping pieces 5, a plurality of groups of convex teeth 6 are arranged on the inner walls of the clamping pieces 5 in a surrounding manner, the clamping pieces 5 are embedded in the centers of the first step 2 and the second step 3 from top to bottom in a penetrating manner, in the specific use process, good correction performance can be achieved on the tooth profile direction, the quality of finished products is guaranteed, a plurality of groups of convex teeth 6 are arranged in the inner ring of the clamping pieces 5, and then the blank is rapidly punched by the tooth ring, the integral smooth finish of the tooth surface is improved, the working efficiency is ensured, and the stamping work can be carried out in batches;

the upper die 7 is arranged above the lower die 1, the upper die 7 consists of a positioning plate 8, a first extrusion head 9 and a second extrusion head 10, the first extrusion head 9 is arranged at the bottom end of the positioning plate 8, the second extrusion head 10 is fixedly arranged at the bottom end of the first extrusion head 9, the second extrusion head 10 is arranged at the center of the lower end of the first extrusion head 9, and the upper die 7 is arranged, so that in specific use, the second extrusion head 10 is driven to be in contact with the center of a blank under the driving of a hydraulic machine 12, and meanwhile, a central hole can be extruded, a large amount of materials are saved, a large number of working procedures are avoided, and meanwhile, the blank is driven to move under the action of the first extrusion head 9, so that a gear ring can be quickly formed;

the driving part consists of a limiting frame 11, a hydraulic machine 12, a sliding plate 13 and two groups of sliding rods 14, the limiting frame 11 is sleeved on two sides of the lower die 1, the hydraulic machine 12 is arranged at the top end of the inner wall of the limiting frame 11, the sliding plate 13 is arranged in the limiting frame 11, the inner wall of the limiting frame 11 is clamped with the sliding plate 13 through a slide rail, the telescopic end of the hydraulic press 12 is connected with a sliding plate 13, the lower end face of the sliding plate 13 is clamped with the upper die 7, two groups of sliding rods 14 are arranged through the sliding plate 13, one end of the slide bar 14 is abutted against the top end of the inner wall of the limiting frame 11, the other end of the slide bar 14 is clamped with the bolt hole 4 on the second step 3, meanwhile, the limiting frame 11 is arranged, and under the auxiliary action of the sliding plate 13 and the sliding rod 14, the stability of the whole stamping process is guaranteed, so that the yield of finished products is effectively guaranteed.

The size of the first step 2 is larger than that of the second step 3, and the first step 2 and the second step 3 are both made of alloy steel; the clamping part is of a cylindrical structure, and the clamping piece 5 is attached to the first step 2 and the second step 3; the upper die 7 and the lower die 1 are matched, and the centers of the upper die 7 and the lower die 1 are positioned on the same axis, so that the stability of the stamping process is ensured, and the overall yield of the device is ensured; the first extrusion head 9 and the second extrusion head 10 are both cylindrical structures, and the size of the second extrusion head 10 is smaller than that of the first extrusion head 9; one side of the second extrusion head 10 facing the lower die 1 is arranged at the bottom end of the first extrusion head 9 in a convex manner, so that the central hole can be extruded, a large amount of materials are saved, and a large number of processes are avoided.

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

1. The utility model provides a many restraint water conservancy diversion cold extrusion straight tooth mould which characterized in that includes:

the lower die comprises a lower die (1), wherein the lower die (1) comprises a first step (2) and a second step (3), the second step (3) is installed on the upper end surface of the first step (2), bolt holes (4) are installed on two sides of the upper end of the second step (3), the first step (2) and the second step (3) are of cylindrical structures, clamping pieces (5) penetrate through the centers of the first step (2) and the second step (3) from top to bottom, convex teeth (6) are installed on the inner walls of the clamping pieces (5), multiple groups of the convex teeth (6) are arranged, and the multiple groups of the convex teeth (6) are annularly arranged on the inner walls of the clamping pieces (5);

the upper die (7) is installed above the lower die (1), the upper die (7) is composed of a positioning plate (8), a first extrusion head (9) and a second extrusion head (10), the first extrusion head (9) is installed at the bottom end of the positioning plate (8), the second extrusion head (10) is fixedly arranged at the bottom end of the first extrusion head (9), and the second extrusion head (10) is installed at the center of the lower end of the first extrusion head (9);

the driving part consists of a limiting frame (11), a hydraulic machine (12), a sliding plate (13) and two groups of sliding rods (14), wherein the limiting frame (11) is sleeved on two sides of a lower die (1), the hydraulic machine (12) is installed on the top end of the inner wall of the limiting frame (11), the sliding plate (13) is installed inside the limiting frame (11), the inner wall of the limiting frame (11) is clamped with the sliding plate (13) through a sliding rail, the telescopic end of the hydraulic machine (12) is connected with the sliding plate (13), the lower end face of the sliding plate (13) is clamped with an upper die (7), the sliding rods (14) penetrate through the sliding plate (13) in two groups, one end of each sliding rod (14) is abutted to the top end of the inner wall of the limiting frame (11), and the other end of each sliding rod (14) is clamped with a bolt hole (4) in a second step (3).

2. The multi-restraint flow guide cold extrusion straight tooth die as claimed in claim 1, wherein: the size of first halfpace (2) is greater than the size of second halfpace (3), first halfpace (2), second halfpace (3) all adopt alloy steel material to make.

3. The multi-restraint flow guide cold extrusion straight tooth die as claimed in claim 1, wherein: the clamping part is of a cylindrical structure, and the clamping piece (5) is attached to the first step (2) and the second step (3).

4. The multi-restraint flow guide cold extrusion straight tooth die as claimed in claim 1, wherein: the upper die (7) and the lower die (1) are matched, and the centers of the upper die (7) and the lower die (1) are located on the same axis.

5. The multi-restraint flow guide cold extrusion straight tooth die as claimed in claim 1, wherein: the first extrusion head (9) and the second extrusion head (10) are both cylindrical structures, and the size of the second extrusion head (10) is smaller than that of the first extrusion head (9).

6. The multi-restraint flow guide cold extrusion straight tooth die as claimed in claim 1, wherein: the second extrusion head (10) is convexly arranged at the bottom end of the first extrusion head (9) towards one side of the lower die (1).