CN112440447A

CN112440447A - Forming die of engineering machine tool gearbox production usefulness

Info

Publication number: CN112440447A
Application number: CN202011180253.3A
Authority: CN
Inventors: 陈信华; 袁贤君
Original assignee: Liyang Xinli Machine Casting Co ltd
Current assignee: Liyang Xinli Machine Casting Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-03-05

Abstract

The invention discloses a forming die for production of an engineering machinery gearbox, which belongs to the technical field of gearbox production and comprises an upper die and a lower die, wherein the lower die is provided with a cavity, the right side wall of the cavity is communicated with an air inlet pipe, the left side wall of the cavity is communicated with an air outlet pipe with an electromagnetic valve, the lower die is provided with a groove corresponding to a first through groove, the first through groove is communicated with the groove, and a top plate is arranged in the groove; according to the invention, by adding the cavity, the air inlet pipe and the air outlet pipe, cold air enters the cavity, heat is taken away from the air outlet pipe, and the cooling forming speed of a product is improved; through adding recess, roof and connecting pipe etc. after the cooling finishes, go up mould and bed die separation, close the solenoid valve, the air current gets into the connecting pipe, and the pressure reinforcing of piston plate below drives the piston plate and shifts up, drives ejector pin and roof then and shifts up, with the whole ejecting bed die of sealing washer product, drawing of patterns efficiency is higher, is favorable to improving production efficiency.

Description

Forming die of engineering machine tool gearbox production usefulness

Technical Field

The invention relates to the technical field of gearbox production, in particular to a forming die for engineering machinery gearbox production.

Background

A transmission is a mechanism for changing the speed and torque from an engine, which can change the ratio of the output shaft to the input shaft, either fixed or in steps, also known as a gearbox. The speed variator consists of speed-changing transmission mechanism and operating mechanism, and the transmission mechanism is mainly driven by common gear and also by planetary gear. The common gear transmission mechanism generally uses a sliding gear, a synchronizer and the like. With the gradual rise of the working temperature of the gearbox, the continuous improvement and updating of the lubricating medium, the increasingly harsh working conditions of use and the development directions of low energy consumption, low emission, low noise and ultra-long service life in the engineering machinery industry, new and higher performance requirements are put forward on the sealing element for the gearbox.

In the prior art, a forming die of a sealing ring is generally a method of injection molding and cooling forming in a die cavity, but the sealing ring after cooling forming needs to be manually picked up one by one for demoulding, and the efficiency is extremely low during manual picking up and the production efficiency is low due to the small size of the sealing ring; moreover, harmful gas can be emitted in the injection molding process, and if the harmful gas is not collected in time, the harmful gas can cause damage to the health of workers.

Therefore, a forming die for producing the engineering machinery gearbox is provided to solve the problems.

Disclosure of Invention

The invention aims to provide a forming die for producing an engineering machinery gearbox, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a forming die for production of a gearbox of engineering machinery comprises an upper die and a lower die, wherein a plurality of upper die cavities are arranged at the bottom end of the upper die, a guide rod is fixed at the bottom end of the upper die, an injection port is formed in the top end of the upper die and is communicated with the upper die cavity, a lower die cavity is arranged at the top end of the lower die corresponding to the upper die cavity, a first through groove is formed between the left die cavity and the right die cavity which are adjacent to each other, a second through groove is formed between the front die cavity and the rear die cavity which are adjacent to each other, a guide groove is formed at the top end of the lower die corresponding to the guide rod, a cavity is formed in the lower die, an air inlet pipe is communicated with the right side wall of the cavity, an air outlet pipe with an electromagnetic valve is communicated with the left side wall of the cavity, a groove is formed at the position of the lower die corresponding to the first through, the bottom and the bed die sliding connection of ejector pin and stretch into in the cavity, and the end of stretching into of ejector pin is fixed with the piston plate, the bottom mounting of piston plate has the cushion, the right side position intercommunication that the bottom of going out the tuber pipe corresponds the solenoid valve has the connecting pipe, the one end that the tuber pipe was kept away from to the connecting pipe communicates with the position that the cavity left side wall corresponds the piston plate downside.

Preferably, the number of the guide rods is four, and the four guide rods are correspondingly distributed at four corners of the bottom end of the upper die.

Preferably, a spring is fixed on the ejector rod corresponding to the position between the top wall of the cavity and the piston plate.

Preferably, the top end of the upper die is connected with a hydraulic rod, a connecting rod is fixed at the top end of the hydraulic rod, and supporting plates are symmetrically fixed at the left end and the right end of the connecting rod.

Preferably, the inner of two backup pads all is fixed with the aspiration channel, two the top intercommunication of aspiration channel has same collection tuber pipe, the top of collection tuber pipe is through return bend intercommunication has the suction fan, the left end of suction fan is through intake pipe intercommunication processing case.

Preferably, an air conveying pipe is further arranged between the air collecting pipe and the air suction pipe, the bottom end of the air conveying pipe is communicated with the air suction pipe, and the top end of the air conveying pipe penetrates through the connecting rod and is communicated with the air collecting pipe.

Preferably, the air collecting pipe, the suction fan and the treatment box are fixed with the supporting plate.

The invention has the beneficial effects that:

1. by adding the cavity, the air inlet pipe and the air outlet pipe, cold air enters the cavity, heat is taken away from the air outlet pipe, and the cooling forming speed of a product is improved; by adding the groove, the top plate, the connecting pipe and the like, after cooling is finished, the upper die is separated from the lower die, the electromagnetic valve is closed, air flow enters the connecting pipe, pressure enhancement below the piston plate drives the piston plate to move upwards, then the ejector rod and the top plate are driven to move upwards, the sealing ring product is integrally ejected out of the lower die, the demolding efficiency is high, and the production efficiency is improved;

2. the suction fan is started by adding the suction pipe, the suction fan and the treatment box, the suction pipe sends the emitted harmful gas into the treatment box, and the purification liquid in the treatment box purifies the gas and then discharges the gas, so that the harm to the health of workers due to the large emission of the harmful gas is avoided; meanwhile, the air suction pipe drives air to circulate, and the cooling speed of the product is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

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

FIG. 3 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure B shown in FIG. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-support plate, 2-connecting rod, 3-hydraulic rod, 4-upper die, 5-injection port, 6-upper die cavity, 7-guide rod, 8-lower die, 9-lower die cavity, 10-guide groove, 11-first through groove, 12-second through groove, 13-cavity, 14-air inlet pipe, 15-air outlet pipe, 16-electromagnetic valve, 17-groove, 18-top plate, 19-ejector rod, 20-spring, 21-piston plate, 22-cushion block, 23-connecting pipe, 24-air suction pipe, 25-air conveying pipe, 26-air collecting pipe, 27-bent pipe, 28-air suction fan, 29-air inlet pipe and 30-treatment box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a forming die of engineering machine tool gearbox production usefulness, includes mould 4 and bed die 8, goes up the top of mould 4 and is connected with hydraulic stem 3, and the top of hydraulic stem 3 is fixed with connecting rod 2, and the left and right sides both ends symmetry of connecting rod 2 is fixed with backup pad 1. The bottom end of an upper die 4 is provided with a plurality of upper die cavities 6, the bottom end of the upper die 4 is fixed with a guide rod 7, the top end of the upper die 4 is provided with an injection port 5, the injection port 5 is communicated with the upper die cavity 6, the top end of the lower die 8 is provided with a lower die cavity 9 at a position corresponding to the upper die cavity 6, a first through groove 11 is arranged between the left and right adjacent lower die cavities 9, a second through groove 12 is arranged between the front and rear adjacent lower die cavities 9, the top end of the lower die 8 is provided with a guide groove 10 at a position corresponding to the guide rod 7, the lower die 8 is provided with a cavity 13, the right side wall of the cavity 13 is communicated with an air inlet pipe 14, the left side wall of the cavity 13 is communicated with an air outlet pipe 15 provided with an electromagnetic valve 16, the lower die 8 is provided with a groove 17 at a position corresponding to the first through groove 11, the first through groove 11 is communicated with the groove 17, a top plate 18, and the extending end of the ejector rod 19 is fixed with a piston plate 21, the bottom end of the piston plate 21 is fixed with a cushion block 22, and a spring 20 is fixed at a position between the ejector rod 19 and the piston plate 21 corresponding to the top wall of the cavity 13. The bottom end of the air outlet pipe 15 is communicated with a connecting pipe 23 corresponding to the right side position of the electromagnetic valve 16, and one end of the connecting pipe 23 far away from the air outlet pipe 15 is communicated with the position of the left side wall of the cavity 13 corresponding to the lower side of the piston plate 21.

Four guide rods 7 are arranged, and the four guide rods 7 are correspondingly distributed at four corners of the bottom end of the upper die 4.

The working principle in the embodiment is as follows:

the hydraulic rod 3 is started, the hydraulic rod extends to drive the upper die 4 to move downwards and contact and attach with the lower die 8, the molten material is added into an integral die cavity formed by the upper die cavity 6 and the lower die cavity 9 from the injection port 5, cold air enters the cavity 13 from the air inlet pipe 14, heat is taken away from the air outlet pipe 15, and the cooling forming speed of the product is improved; after the product is cooled, the hydraulic rod 3 is started, the hydraulic rod 3 is shortened, the upper die 4 is driven to move upwards and is separated from the lower die 8, the electromagnetic valve 16 is closed, cold air enters the connecting pipe 23 from the air outlet pipe 15 and finally enters the lower side position of the piston plate 21, the pressure enhancement below the piston plate 21 drives the piston plate 21 to move upwards, then the ejector rod 19 and the top plate 18 are driven to move upwards, the sealing ring product is integrally ejected out of the lower die cavity 9 of the lower die 8, the demolding efficiency is high, and the production efficiency is improved; after the solenoid valve 15 is opened, the piston plate 21 moves down and returns to its original state by the elastic force of the spring 15.

Example two

On the basis of the first embodiment, the inner ends of the two supporting plates 1 are both fixed with air suction pipes 24, the top ends of the two air suction pipes 24 are communicated with the same air collecting pipe 26, the top end of the air collecting pipe 26 is communicated with an air suction machine 28 through a bent pipe 27, the left end of the air suction machine 28 is communicated with a processing box 30 through an air inlet pipe 29, the processing box 30 is filled with purifying liquid, and the processing box 3 is provided with an exhaust pipe and a liquid outlet pipe. An air conveying pipe 25 is further arranged between the air collecting pipe 26 and the air suction pipe 24, the bottom end of the air conveying pipe 25 is communicated with the air suction pipe 24, and the top end of the air conveying pipe 25 penetrates through the connecting rod 2 and is communicated with the air collecting pipe 26. The air collecting pipe 26, the suction fan 28 and the treatment box 30 are all fixed with the supporting plate 1.

The suction fan 28 is started, the suction pipe 24 sends the emitted harmful gas into the processing box 30 through the air conveying pipe 25, the air collecting pipe 26, the bent pipe 27 and the air inlet pipe 29, the purifying liquid in the processing box 30 purifies the gas and then discharges the gas, and the damage to the health of workers caused by the large emission of the harmful gas is avoided; meanwhile, the air suction pipe 24 drives the air to circulate, so that the cooling speed of the product is further improved.

The electrical components appearing in the application are all electrically connected with an external main controller and 220V mains supply, and the main controller can be a computer or other conventional known devices for playing a role in control.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a forming die of engineering machine tool gearbox production usefulness, includes mould (4) and bed die (8), its characterized in that: the bottom end of the upper die (4) is provided with a plurality of upper die cavities (6), the bottom end of the upper die (4) is fixed with a guide rod (7), the top end of the upper die (4) is provided with an injection port (5), the injection port (5) is communicated with the upper die cavities (6), the top end of the lower die (8) is provided with a lower die cavity (9) corresponding to the position of the upper die cavity (6), a first through groove (11) is formed between the left and right adjacent lower die cavities (9), a second through groove (12) is formed between the front and back adjacent lower die cavities (9), the top end of the lower die (8) is provided with a guide groove (10) corresponding to the position of the guide rod (7), the lower die (8) is provided with a cavity (13), the right side wall of the cavity (13) is communicated with an air inlet pipe (14), and the left side wall of the cavity (13) is communicated with an air outlet pipe (15), the utility model discloses a pneumatic die, including lower mould (8), recess (17) are seted up to the position that lower mould (8) correspond first logical groove (11), first logical groove (11) and recess (17) intercommunication, be equipped with roof (18) in recess (17), the bottom mounting of roof (18) has ejector pin (19), the bottom and lower mould (8) sliding connection of ejector pin (19) stretch into in cavity (13), and the end of stretching into of ejector pin (19) is fixed with piston plate (21), the bottom mounting of piston plate (21) has cushion (22), the right side position intercommunication that the bottom of air-out pipe (15) corresponds solenoid valve (16) has connecting pipe (23), the one end of air-out pipe (15) is kept away from in connecting pipe (23) and the position intercommunication that cavity (13) left side wall corresponds piston plate (21) downside.

2. The forming die for producing the engineering mechanical gearbox according to claim 1, wherein the forming die comprises: the number of the guide rods (7) is four, and the four guide rods (7) are correspondingly distributed at four corners of the bottom end of the upper die (4).

3. The forming die for producing the engineering mechanical gearbox according to claim 1, wherein the forming die comprises: and a spring (20) is fixed on the ejector rod (19) corresponding to the position between the top wall of the cavity (13) and the piston plate (21).

4. The forming die for producing the engineering mechanical gearbox according to claim 1, wherein the forming die comprises: the top of going up mould (4) is connected with hydraulic stem (3), the top of hydraulic stem (3) is fixed with connecting rod (2), both ends symmetry is fixed with backup pad (1) about connecting rod (2).

5. The forming die for producing the engineering mechanical gearbox according to claim 1, wherein the forming die comprises: two the inner of backup pad (1) all is fixed with aspiration channel (24), two the top intercommunication of aspiration channel (24) has same album of tuber pipe (26), the top of collection tuber pipe (26) is passed through return bend (27) intercommunication and is had suction fan (28), the left end of suction fan (28) is passed through intake pipe (29) intercommunication and is had processing case (30).

6. The forming die for producing the engineering mechanical gearbox as claimed in claim 5, wherein the forming die comprises: still be equipped with defeated tuber pipe (25) between collection tuber pipe (26) and aspiration channel (24), the bottom and aspiration channel (24) the intercommunication of defeated tuber pipe (25), and the top of defeated tuber pipe (25) run through connecting rod (2) and with collection tuber pipe (26) intercommunication.

7. The forming die for producing the engineering mechanical gearbox as claimed in claim 5, wherein the forming die comprises: the air collecting pipe (26), the suction fan (28) and the treatment box (30) are all fixed with the support plate (1).