CN215746230U

CN215746230U - Cold forging equipment for producing chain roller

Info

Publication number: CN215746230U
Application number: CN202121372813.5U
Authority: CN
Inventors: 简瀚宇
Original assignee: Chenshou Xiamen Automation Technology Co ltd
Current assignee: Chenshou Xiamen Automation Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-02-08
Anticipated expiration: 2031-06-21

Abstract

The utility model belongs to the technical field of cold forging equipment, and discloses cold forging equipment for producing chain rollers, which comprises a workbench, a support, a top plate and a hydraulic rod, wherein a mold groove is formed in the top of the workbench, parts are placed in the mold groove, a movable plate is fixedly installed at the telescopic end of the hydraulic rod, a supporting mechanism is arranged at the bottom of the movable plate, an upper mold is fixedly installed at the bottom of the movable plate, and a connecting spring is movably sleeved on the outer surface of the upper mold. According to the utility model, the support mechanism is arranged to provide stable and non-rigid support for the moving plate, the limiting cylinder is arranged to enable the upper die to enter the interior of the die groove between the parts after the upper die is pressed, and the outer surface of the parts is limited and fixed, so that the parts cannot be deviated, and therefore, the limiting and regulating preparation work before cold forging of the parts is completed.

Description

Cold forging equipment for producing chain roller

Technical Field

The utility model belongs to the technical field of cold forging equipment, and particularly relates to cold forging equipment for producing chain rollers.

Background

The chain roller is an important transmission part on bicycles and motorcycles, the production process usually adopts cold forging, the cold forging refers to the forming processing of a processed material at the recrystallization temperature, the forging of a blank without heating is used to be the cold forging in the production, and at present, cold forging equipment is usually used for processing and producing chains.

At present, for the production of chain rollers, cold forging equipment generally directly extrudes the chain rollers repeatedly to realize cold forging, but the chain rollers are easy to shake in repeated cold forging extrusion when being placed in a die groove, and a die head for cold forging pressurization is driven by a power device to move back and forth in a reverse direction, so that a worker cannot easily correct and fix the chain rollers, and the chain rollers are deviated, and the processing damage is caused; in addition, in the cold forging process, the temperature of the chain roller which is repeatedly subjected to impact extrusion is easily increased, so that the temperature condition during cold forging is damaged, and the product is directly scrapped.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides cold forging equipment for producing chain rollers, which has the advantages of good fixing effect and good cooling effect.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cold forging equipment that production chain roller was used, includes workstation, support, roof and hydraulic stem, the mould groove has been seted up at the top of workstation, the part has been placed to the inside in mould groove, the flexible fixed mounting of hydraulic stem has the movable plate, the bottom of movable plate is provided with supporting mechanism, the bottom fixed mounting of movable plate has last mould, the surface activity of going up the mould has cup jointed coupling spring, the surface activity of going up the mould has cup jointed a spacing section of thick bamboo, coupling spring's both ends respectively with movable plate and a spacing fixed connection.

As a preferred technical scheme of the utility model, the bracket is fixedly arranged at four corners of the top of the workbench, the top plate is fixedly arranged at the top of the bracket, the hydraulic rod is fixedly arranged at the middle part of the top plate, the limiting cylinder is hollow in the interior, the right side of the limiting cylinder is fixedly communicated with a liquid inlet pipe, the top of the die groove is fixedly provided with a liquid outlet column, the bottom of the limiting cylinder is provided with a liquid outlet, the interior of the limiting cylinder is provided with a sealing mechanism, the number of the supporting mechanisms is four and respectively distributed at the four corners of the top of the moving plate, the bottom of the supporting mechanism is fixedly connected with the workbench, the interior of the limiting cylinder is provided with cooling liquid, the number of the connecting blocks and the number of the sealing columns are four, the four connecting blocks are circumferentially distributed at equal intervals on the middle-lower part of the inner cavity of the limiting cylinder by taking the circle center of the limiting cylinder as a reference and are fixedly connected with the inner wall of the limiting cylinder, every connecting block all corresponds a fixed spring, is responsible for applying decurrent power to the sealing ring for sealed post card advances the inside of liquid outlet and cooperates the sealing ring to plug up the liquid outlet, makes the inside coolant liquid of spacing section of thick bamboo can not leak when out of work.

As a preferred technical scheme of the utility model, the supporting mechanism comprises a supporting column, an accommodating groove is formed in the supporting column, a connecting column is movably sleeved in the accommodating groove, a supporting spring is fixedly connected to the bottom of an inner cavity of the accommodating groove, the other end of the supporting spring is fixedly connected to the bottom of the connecting column, the top end of the connecting column is fixedly connected to the moving plate, the supporting mechanism is mainly responsible for providing supporting and stabilizing effects for the moving plate and the upper die, the moving plate is pushed downwards by a hydraulic rod to move downwards, so that the connecting column is driven to move downwards and compress the supporting spring, and the spring force applied to the connecting column is increased gradually as the degree of compression of the supporting spring is increased, so that the force is counteracted upwards, and the stabilizing and supporting effects are provided for the moving plate and the upper die in the process of descending.

As a preferred technical scheme of the utility model, the sealing mechanism comprises a sealing ring and a connecting block, a sealing column is fixedly installed at the bottom of the sealing ring, a fixed spring is fixedly connected at the top of the sealing ring, the other end of the fixed spring is fixedly connected with the connecting block, the connecting block is fixedly installed at the middle lower part of an inner cavity of the limiting cylinder, the sealing column is movably sleeved inside the liquid outlet, when a hydraulic rod drives the moving plate and the upper die to move downwards and perform cold forging extrusion operation, the connecting spring is compressed to apply pressure to the limiting cylinder, at the moment, the bottom of the limiting cylinder enters the interior of the die groove, a liquid outlet column enters the interior of the liquid outlet and upwards props against the sealing column to enable the sealing column to move upwards and separate from the interior of the liquid outlet, at the moment, the sealing ring is pushed and moves upwards, the fixed spring is compressed, at the moment, cooling liquid in the limiting cylinder flows out along the liquid outlet to cool the parts, when needing to be noticed, the diameter value of going out the liquid column is less than the diameter value of liquid outlet, thereby can not block up the liquid outlet when going out the inside that the liquid column got into the liquid outlet and avoid the coolant liquid to go out, and the bottom of spacing section of thick bamboo leaves certain clearance with the upper surface liquid in mould groove for supplying the coolant liquid to pass through.

As a preferred technical scheme of the present invention, the sealing column is made of a rubber block, the diameter value of the sealing column is greater than that of the liquid outlet, when the limiting cylinder does not enter the interior of the mold groove, the fixing spring acts downward on the sealing ring, so that the sealing ring moves downward and pushes the sealing column to clamp the sealing column in the liquid inlet and the liquid outlet, the liquid outlet is blocked by the deformable characteristic of the sealing column, thereby preventing the cooling liquid in the limiting cylinder from leaking, when the limiting cylinder is driven to move downward to the interior of the mold groove, the liquid outlet column moves upward and downward to push the sealing column out of the top of the sealing column and opens the liquid outlet, so that the sealing column and the sealing ring are simultaneously pushed upward, and the cooling liquid flows out along the liquid outlet and acts on the part.

As a preferred technical scheme of the present invention, the mold groove is a stepped ring structure with a thick upper part and a thin lower part, the number of the liquid outlet columns is four, the liquid outlet columns are circumferentially distributed on the upper surface of the mold groove at equal intervals by taking the circle center of the mold groove as a reference, the mold groove is responsible for adapting to the limiting cylinder and providing a limiting fixing effect for the part, and the liquid outlet columns push the sealing columns out of the interior of the liquid outlet and are clamped into the interior of the liquid outlet when the limiting cylinder moves down into the mold groove, so that the sealing rings are moved up, and the liquid outlet is completely opened and the cooling liquid flows out.

Compared with the prior art, the utility model has the following beneficial effects:

1. the movable plate, the supporting mechanism, the upper die, the limiting cylinder and the die groove are arranged to realize limiting fixing of parts, the stepped annular die groove is used for placing the parts, the supporting mechanism is arranged to provide stable and non-rigid support for the movable plate, the limiting cylinder is arranged to enable the upper die to enter the interior of the die groove when the upper die is pressed to the parts and to carry out limiting fixing on the outer surface of the parts, the parts cannot deviate, and therefore limiting regular preparation work before cold forging of the parts is completed.

2. The cooling device has the advantages that the cooling function of parts is realized by the arrangement of the movable plate, the supporting mechanism, the upper die, the limiting cylinder, the liquid inlet pipe, the connecting spring, the sealing mechanism and the like, cooling liquid is placed in the limiting cylinder and the liquid inlet pipe, the movable plate and the upper die are driven to move downwards by the hydraulic rod, the limiting cylinder and the connecting spring move downwards along with the limiting cylinder and the liquid inlet pipe, when the bottom of the limiting cylinder enters the interior of the die groove, the liquid outlet column pushes the sealing column out of the sealing ring, the sealing ring and the sealing column move upwards and then expose the liquid outlet, the cooling liquid flows out and cools the parts in processing, and therefore the self temperature of the parts is in the optimal state.

Drawings

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

FIG. 2 is a front cut-away schematic view of the structure of the present invention;

FIG. 3 is a schematic diagram showing the separation of the moving plate and the support mechanism according to the present invention;

FIG. 4 is a schematic diagram showing the upper mold, the limiting cylinder, the liquid inlet pipe, the connecting spring, the liquid outlet and the sealing mechanism of the present invention in a separated state;

FIG. 5 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

FIG. 6 is an enlarged schematic view of the structure of FIG. 2 at B in accordance with the present invention;

fig. 7 is an enlarged view of the structure at C in fig. 2 according to the present invention.

In the figure: 1. a work table; 2. a support; 3. a top plate; 4. a hydraulic lever; 5. moving the plate; 6. a support mechanism; 61. a support pillar; 62. accommodating grooves; 63. connecting columns; 64. a support spring; 7. an upper die; 8. A limiting cylinder; 9. a liquid inlet pipe; 10. a connecting spring; 11. a liquid outlet; 12. a sealing mechanism; 121. a seal ring; 122. sealing the column; 123. connecting blocks; 124. fixing the spring; 13. a mold slot; 14. discharging a liquid column; 15. and (4) parts.

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.

As shown in fig. 1 to 7, the utility model provides cold forging equipment for producing chain rollers, which comprises a workbench 1, a support 2, a top plate 3 and a hydraulic rod 4, wherein a mold groove 13 is formed in the top of the workbench 1, a part 15 is placed in the mold groove 13, a movable plate 5 is fixedly mounted at the telescopic end of the hydraulic rod 4, a supporting mechanism 6 is arranged at the bottom of the movable plate 5, an upper mold 7 is fixedly mounted at the bottom of the movable plate 5, a connecting spring 10 is movably sleeved on the outer surface of the upper mold 7, a limiting cylinder 8 is movably sleeved on the outer surface of the upper mold 7, and two ends of the connecting spring 10 are respectively and fixedly connected with the movable plate 5 and the limiting cylinder 8.

Wherein, the bracket 2 is fixedly arranged at four corners of the top of the workbench 1, the top plate 3 is fixedly arranged at the top of the bracket 2, the hydraulic rod 4 is fixedly arranged at the middle part of the top plate 3, the inside of the limiting cylinder 8 is hollow, the right side of the limiting cylinder 8 is fixedly communicated with the liquid inlet pipe 9, the top of the die groove 13 is fixedly provided with the liquid outlet column 14, the bottom of the limiting cylinder 8 is provided with the liquid outlet 11, the inside of the limiting cylinder 8 is provided with the sealing mechanism 12, the number of the supporting mechanisms 6 is four and respectively distributed at the four corners of the top of the moving plate 5, the bottom of the supporting mechanism 6 is fixedly connected with the workbench 1, the inside of the limiting cylinder 8 is provided with the cooling liquid, the number of the connecting blocks 123 and the sealing columns 122 is four, the four connecting blocks 123 are circumferentially distributed at equal intervals at the middle lower part of the inner cavity of the limiting cylinder 8 and fixedly connected with the inner wall of the limiting cylinder 8 by taking the circle center of the limiting cylinder 8 as the reference, each connecting block 123 corresponds to one fixed spring 124, and the sealing ring 121 is responsible for applying downward force to the sealing ring 121, so that the sealing column 122 is clamped in the liquid inlet and outlet 11 and is matched with the sealing ring 121 to block the liquid outlet 11, and the cooling liquid in the limiting cylinder 8 cannot leak when not working.

Wherein, supporting mechanism 6 includes support column 61, holding tank 62 has been seted up to the inside of support column 61, the spliced pole 63 has been cup jointed in the inside activity of holding tank 62, the bottom fixedly connected with supporting spring 64 of the holding tank 62 inner chamber, the other end of supporting spring 64 and the bottom fixed connection of spliced pole 63, the top and the 5 fixed connection of movable plate of spliced pole 63, supporting mechanism 6 mainly is responsible for providing support and stabilizing action for movable plate 5 and last mould 7, along with hydraulic stem 4 promotes movable plate 5 downwards and makes movable plate 5 remove, thereby drive spliced pole 63 remove downwards and compress supporting spring 64, along with the degree that supporting spring 64 compressed gradually increases, the spring force that spliced pole 63 received is bigger and bigger, thereby upwards offset of doing all can, in-process for it provides stable and supported effect for it at movable plate 5 and last mould 7 decline.

Wherein, the sealing mechanism 12 includes a sealing ring 121 and a connecting block 123, a sealing column 122 is fixedly installed at the bottom of the sealing ring 121, a fixed spring 124 is fixedly connected at the top of the sealing ring 121, the other end of the fixed spring 124 is fixedly connected with the connecting block 123, the connecting block 123 is fixedly installed at the middle lower part of the inner cavity of the limiting cylinder 8, the sealing column 122 is movably sleeved inside the liquid outlet 11, when the hydraulic rod 4 drives the moving plate 5 and the upper die 7 to move down and perform cold forging extrusion operation, the connecting spring 10 is compressed to apply pressure to the limiting cylinder 8, at this time, the bottom of the limiting cylinder 8 enters the inside of the die groove 13, the liquid outlet column 14 enters the inside of the liquid outlet 11 and pushes up the sealing column 122 to move and separate the sealing column 122 from the inside of the liquid outlet 11, at this time, the sealing ring 121 is pushed and moved up, the fixed spring 124 is compressed, at this time, the cooling liquid inside the limiting cylinder 8 flows out along the liquid outlet 11 and then cools the part 15, when needing to be noticed, the diameter value of the liquid outlet column 14 is smaller than that of the liquid outlet 11, so that the liquid outlet 11 is not blocked when the liquid outlet column 14 enters the liquid outlet 11, thereby preventing the coolant from flowing out, and a certain gap is left between the bottom of the limiting cylinder 8 and the upper surface of the die groove 13 for the coolant to pass through.

Wherein, sealing column 122 is made by the block rubber, sealing column 122's diameter value is greater than the diameter value of liquid outlet 11, when spacing section of thick bamboo 8 did not get into the inside of mould groove 13, fixed spring 124 acts on sealing ring 121 downwards, make sealing ring 121 move down and promote sealing column 122 make sealing column 122 block into in the liquid outlet 11, block up liquid outlet 11 through the deformable characteristic of sealing column 122 self, thereby prevent the coolant liquid leakage in spacing section of thick bamboo 8, when spacing section of thick bamboo 8 was driven and is moved down to the inside of mould groove 13, go out liquid column 14 and upwards descend sealing column 122 top and go out and open liquid outlet 11, make sealing column 122 and sealing ring 121 upwards promoted simultaneously, thereby let the coolant liquid flow out along liquid outlet 11 and act on with part 15.

Wherein, the mould groove 13 is thick-top thin ladder ring structure, the quantity of liquid outlet column 14 is four and uses the centre of a circle of mould groove 13 as the benchmark and be equidistant circumference distribution on the upper surface of mould groove 13, mould groove 13 is responsible for the spacing section of thick bamboo 8 of adaptation and provides spacing fixed action for part 15, and liquid outlet column 14 is the inside that pushes out liquid outlet 11 and the inside of card income liquid outlet 11 with sealed column 122 when spacing section of thick bamboo 8 moves down to mould groove 13 in to shift up sealing ring 121, make liquid outlet 11 thoroughly open and flow out the coolant liquid.

The working principle and the using process of the utility model are as follows:

cooling liquid is filled into the limiting cylinder 8 through the liquid inlet pipe 9, the part 15 is placed inside the die groove 13, the hydraulic rod 4 is started and drives the moving plate 5 to move downwards, the connecting column 63 moves downwards along with the moving plate and compresses the supporting spring 64, and the upper die 7 and the limiting cylinder 8 move downwards along with the connecting column;

when the bottom of the limiting cylinder 8 moves to the top of the die groove 13, the outer surface of the part 15 is wrapped by the inner side surface of the outer surface of the limiting cylinder 8, and the upper die 7 downwards extrudes the part 15 and performs cold forging operation;

the liquid outlet column 14 starts to push the sealing column 122 upwards out of the interior of the liquid outlet 11 and into the interior of the liquid outlet 11, at this time, as the moving plate 5 moves downwards, the connecting spring 10 is compressed and acts downwards on the limiting cylinder 8, the sealing ring 121 is driven upwards by the sealing column 122 to expose the liquid outlet 11, the fixing spring 124 is compressed, at this time, the cooling liquid inside the limiting cylinder 8 flows out along the liquid outlet 11 and enters the mold groove 13, and then the part 15 is cooled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cold forging equipment that production chain roller used, includes workstation (1), support (2), roof (3) and hydraulic stem (4), its characterized in that: the die is characterized in that a die groove (13) is formed in the top of the workbench (1), a part (15) is placed in the die groove (13), a movable plate (5) is fixedly mounted at the telescopic end of a hydraulic rod (4), a supporting mechanism (6) is arranged at the bottom of the movable plate (5), an upper die (7) is fixedly mounted at the bottom of the movable plate (5), a connecting spring (10) is movably sleeved on the outer surface of the upper die (7), a limiting barrel (8) is movably sleeved on the outer surface of the upper die (7), two ends of the connecting spring (10) are fixedly connected with the movable plate (5) and the limiting barrel (8) respectively, the support (2) is fixedly mounted at the four corners of the top of the workbench (1), the top plate (3) is fixedly mounted at the top of the support (2), and the hydraulic rod (4) is fixedly mounted at the middle of the top plate (3), the inside cavity of a spacing section of thick bamboo (8), the fixed intercommunication in right side of a spacing section of thick bamboo (8) has feed liquor pipe (9), the top fixed mounting of mould groove (13) has a liquid outlet column (14), liquid outlet (11) have been seted up to the bottom of a spacing section of thick bamboo (8), the inside of a spacing section of thick bamboo (8) is provided with sealing mechanism (12), the quantity of supporting mechanism (6) is four and distributes respectively in the four corners department at movable plate (5) top, the bottom and workstation (1) fixed connection of supporting mechanism (6), the coolant liquid has been placed to the inside of a spacing section of thick bamboo (8).

2. A cold forging apparatus for producing a roller chain as claimed in claim 1, wherein: supporting mechanism (6) are including support column (61), holding tank (62) have been seted up to the inside of support column (61), spliced pole (63) have been cup jointed in the inside activity of holding tank (62), the bottom fixedly connected with supporting spring (64) of holding tank (62) inner chamber, the other end of supporting spring (64) and the bottom fixed connection of spliced pole (63), the top and movable plate (5) fixed connection of spliced pole (63).

3. A cold forging apparatus for producing a roller chain as claimed in claim 1, wherein: sealing mechanism (12) include sealing ring (121) and connecting block (123), the bottom fixed mounting of sealing ring (121) has sealed post (122), the top fixedly connected with fixed spring (124) of sealing ring (121), the other end and the connecting block (123) fixed connection of fixed spring (124), connecting block (123) fixed mounting is in the well lower part of spacing section of thick bamboo (8) inner chamber, sealed post (122) activity cup joints the inside at liquid outlet (11).

4. A cold forging apparatus for producing a roller chain as claimed in claim 3, wherein: the sealing column (122) is made of a rubber block, and the diameter value of the sealing column (122) is larger than that of the liquid outlet (11).

5. A cold forging apparatus for producing a roller chain as claimed in claim 1, wherein: the mould groove (13) is a stepped ring structure with a thick upper part and a thin lower part, the number of the liquid outlet columns (14) is four, and the liquid outlet columns are circumferentially distributed on the upper surface of the mould groove (13) at equal intervals by taking the circle center of the mould groove (13) as a reference.