CN217512657U

CN217512657U - Cold extrusion device for one-step forming of idler

Info

Publication number: CN217512657U
Application number: CN202221133680.0U
Authority: CN
Inventors: 项益松; 尹冬明; 冯锦华; 柯挺挺
Original assignee: Zhejiang Yuanbang Power Technology Co ltd
Current assignee: Zhejiang Yuanbang Power Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-30
Anticipated expiration: 2032-05-11

Abstract

The utility model provides an idler one shot forming cold extrusion device, including the bottom plate, be provided with the disc at the top of mould, the fixed first member and the second member that are provided with in bottom of disc, and the diameter of second member is greater than the diameter of first member, and first member and second member are central symmetric distribution about the disc, and the top of disc still is provided with the driving piece, and the disc passes through output shaft drive with the driving piece and is connected. The utility model discloses a driving piece drive disc rotates, and the disc drives first member or second member and rotates the type groove department that is located the mould, and pneumatic cylinder drive disc moves down, and the first member of disc moves down with the second member, trompil to the idler middle part through first member or second member, and this extrusion device can be according to the corresponding trompil member of the actual trompil demand direct selection of idler, need not the shutdown operation, is favorable to improving the work efficiency of device.

Description

Cold extrusion device for one-step forming of idler

Technical Field

The utility model relates to a cold extrusion device technical field especially relates to an idler one shot forming cold extrusion device.

Background

The idle gear is a gear which plays a role of transmission between two transmission gears which are not in contact with each other, is meshed with the two gears simultaneously, is used for changing the rotation direction of a driven gear to be the same as that of a driving gear, has the function of only changing the rotation direction and cannot change the transmission ratio, is called as the idle gear, and is usually extruded and molded by a cold extrusion device during production.

The prior art has the following defects: the principle of idler extrusion forming is, put the section bar (generally for iron plate or steel block) of idler in forming die, then control cold pressing subassembly cold press forming, however, in the in-service use, the middle part trompil aperture of idler needs the wheel base of adaptation installation pivot, and prior art still need shut down when seting up the hole in different apertures to the idler and change corresponding cold pressure head to reduce extrusion device's work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide an idler one shot forming cold extrusion device.

The utility model discloses a following technical means realizes solving above-mentioned technical problem: the utility model provides an idler one shot forming cold extrusion device, comprising a base plate, the top of bottom plate is provided with the roof through the bracing piece is fixed, the top of bottom plate is provided with the mould, and the fixed pneumatic cylinder that is provided with in middle part of roof, the bottom of pneumatic cylinder is provided with cold pressure head (not drawn in the picture), among the prior art, arrange the section bar in the mould, pneumatic cylinder drive cold pressure head moves down and carries out the cold press molding with the section bar, top at the mould is provided with the disc, the fixed first member and the second member that are provided with in bottom of disc, and the diameter of second member is greater than the diameter of first member, first member and second member are central symmetry distribution about the disc, the top of disc still is provided with the driving piece, and the disc passes through output shaft transmission with the driving piece and is connected.

Preferably, the driving part comprises a motor and a motor cover, the motor is fixedly arranged in the motor cover, the disc is in transmission connection with the motor through an output shaft, the motor cover is in transmission connection with the hydraulic cylinder through a telescopic shaft, the motor cover is used for protecting the motor, the motor is connected with an external distribution box through a wire, and the operation of the motor is controlled by the distribution box;

preferably, the top parts of the first rod piece and the second rod piece are respectively provided with a stamping head, the first rod piece and the second rod piece are respectively fixedly connected with the disc through the stamping heads, and the disc is driven to move downwards by the hydraulic cylinder;

preferably, the bottom of the disc is further provided with a third rod, a fourth rod, a fifth rod and a sixth rod, the diameters of the first rod, the second rod, the third rod, the fourth rod, the fifth rod and the sixth rod are sequentially increased, and the first rod, the second rod, the third rod, the fourth rod, the fifth rod and the sixth rod are distributed in central symmetry with respect to the disc, so that the device can increase the selection of the opening diameter of the idler wheel, and is convenient to use;

preferably, in order to facilitate taking out of the formed idler wheel, a pushing assembly is arranged at the bottom of the mold and comprises a pushing block and an electric push rod, the pushing block is embedded in a groove of the mold in a sliding manner, the electric push rod is fixed at the bottom of the mold and is in transmission connection with the electric push rod through a telescopic shaft, and after the idler wheel is formed, the electric push rod drives the pushing block to move upwards to push the idler wheel out of the groove, so that the idler wheel is convenient to take out;

preferably, because during cold press forming, the impact force that the mould received is big, consequently, the easy deformation of mould damages in the long-term use, in order to solve this problem, we all are provided with the bolster in the both sides bottom of mould, the bolster includes the sleeve pipe, slide bar and spring, and the slide bar activity embedding is in the sleeve pipe, the spring housing is established in the sheathed tube outside, the top and the mould fixed connection of slide bar, sheathed tube bottom and bottom plate fixed connection, the top and the mould butt of spring, when the mould pressurized, the slide bar moves down in the sleeve pipe, the spring pressurized is the buffering through self elasticity to the mould, thereby the life of extension mould.

The utility model has the advantages that:

the utility model discloses a driving piece drive disc rotates, and the disc drives first member or second member and rotates the type groove department that is located the mould, and pneumatic cylinder drive disc moves down, and the first member of disc moves down with the second member, and trompil to the idler middle part through first member or second member, this extrusion device can be according to the corresponding trompil member of the actual trompil demand direct selection of idler, need not to shut down the operation, is favorable to improving the work efficiency of device.

Drawings

Fig. 1 is a longitudinal sectional view of the present invention;

FIG. 2 is a diagram illustrating the usage of the present invention;

fig. 3 is a bottom view of the disc of the present invention.

In the figure: 1. a base plate; 2. a top plate; 3. a mold; 4. a disc; 5. a first bar member; 6. a second bar member; 7. a drive member; 8. a hydraulic cylinder; 9. a pushing assembly; 91. pushing the pushing block; 92. an electric push rod; 10. a buffer.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Example 1

Referring to fig. 1, the idler wheel one-step forming cold extrusion device of the embodiment includes a bottom plate 1, a top plate 2 is fixedly disposed on the top of the bottom plate 1 through a support rod, a mold 3 is disposed on the top of the bottom plate 1, a hydraulic cylinder 8 is fixedly disposed in the middle of the top plate 2, and a cold press head (not shown in the figure) is disposed at the bottom of the hydraulic cylinder 8;

different from the prior art, in the embodiment, a disc 4 is arranged at the top of a mold 3, a first rod 5 and a second rod 6 are fixedly arranged at the bottom of the disc 4, the diameter of the second rod 6 is larger than that of the first rod 5, the first rod 5 and the second rod 6 are distributed in central symmetry with respect to the disc 4, a driving part 7 is further arranged at the top of the disc 4, and the disc 4 and the driving part 7 are in transmission connection through an output shaft;

referring to fig. 2, when in use, according to the actual requirement of the hole diameter of the central opening of the idler wheel, the first rod 5 or the second rod 6 can be selected and used, the disc 4 is driven to rotate by the driving member 7, the disc 4 drives the first rod 5 or the second rod 6 to rotate and locate at the mold groove of the mold 3, the hydraulic cylinder 8 drives the disc 4 to move down, the first rod 5 and the second rod 6 of the disc 4 move down, the central opening of the idler wheel is formed by the first rod 5 or the second rod 6, the extruding device can directly select the corresponding hole-formed rod according to the actual hole-formed requirement of the idler wheel, the operation is not required to be stopped, and the working efficiency of the device is improved.

Further, the driving part 7 comprises a motor and a motor cover, the motor is fixedly arranged in the motor cover, the disc 4 is in transmission connection with the motor through an output shaft, the motor cover is in transmission connection with the hydraulic cylinder 8 through a telescopic shaft, the motor cover is used for protecting the motor, the motor is connected with an external distribution box through a lead, and the operation of the motor is controlled by the distribution box;

furthermore, the top of the first rod 5 and the top of the second rod 6 are both provided with a punch, the first rod 5 and the second rod 6 are both fixedly connected with the disc 4 through the punch, and the hydraulic cylinder 8 drives the disc 4 to move downwards.

Example 2

different from the prior art, a disc 4 is arranged at the top of a die 3, a first rod piece 5 and a second rod piece 6 are fixedly arranged at the bottom of the disc 4, the diameter of the second rod piece 6 is larger than that of the first rod piece 5, the first rod piece 5 and the second rod piece 6 are distributed in central symmetry with respect to the disc 4, a driving piece 7 is further arranged at the top of the disc 4, and the disc 4 is in transmission connection with the driving piece 7 through an output shaft;

referring to fig. 2, when the extrusion device is used, according to the actual requirement of the hole diameter of the middle part of the idler wheel, the first rod 5 or the second rod 6 can be selected to be used, the disk 4 is driven to rotate by the driving part 7, the disk 4 drives the first rod 5 or the second rod 6 to rotate and be located at the groove of the die 3, the hydraulic cylinder 8 drives the disk 4 to move downwards, the first rod 5 and the second rod 6 of the disk 4 move downwards, the middle part of the idler wheel is provided with a hole by the first rod 5 or the second rod 6, the extrusion device can directly select the corresponding hole-opened rod according to the actual hole-opened requirement of the idler wheel, the operation is not required to be stopped, and the working efficiency of the device is improved.

furthermore, the tops of the first rod piece 5 and the second rod piece 6 are both provided with a stamping head, the first rod piece 5 and the second rod piece 6 are both fixedly connected with the disc 4 through the stamping heads, and the hydraulic cylinder 8 drives the disc 4 to move downwards;

referring to fig. 3, further, since the aperture of the idler is only two sizes, unlike embodiment 1, in this embodiment, a third rod, a fourth rod, a fifth rod, and a sixth rod are further disposed at the bottom of the disc 4, and diameters of the first rod 5, the second rod 6, the third rod, the fourth rod, the fifth rod, and the sixth rod are sequentially increased, and the first rod 5, the second rod 6, the third rod, the fourth rod, the fifth rod, and the sixth rod are distributed in central symmetry with respect to the disc 4, so that the selection of the aperture of the idler in the device is increased, and the device is convenient to use;

further, in order to facilitate taking out of the formed idler wheel, a pushing assembly 9 is arranged at the bottom of the mold 3, the pushing assembly 9 comprises a pushing block 91 and an electric push rod 92, the pushing block 91 is embedded in a groove of the mold 3 in a sliding manner, the electric push rod 92 is fixed at the bottom of the mold 3, the pushing block 91 is in transmission connection with the electric push rod 92 through a telescopic shaft, and after the idler wheel is formed, the electric push rod 92 drives the pushing block 91 to move upwards to push the idler wheel out of the groove, so that the idler wheel can be taken out conveniently;

further, because during cold press molding, the impact force that mould 3 received is big, consequently mould 3 is damaged by the deformation easily in the long-term use, in order to solve this problem, we all are provided with bolster 10 in mould 3's both sides bottom, bolster 10 includes the sleeve pipe, slide bar and spring, and the slide bar activity embedding is in the sleeve pipe, the spring housing is established in the sheathed tube outside, the top and the mould 3 fixed connection of slide bar, sheathed tube bottom and bottom plate 1 fixed connection, the top and the mould 3 butt of spring, when mould 3 pressurized, the slide bar moves down in the sleeve pipe, the spring pressurized does the buffering processing through self elasticity to mould 3, thereby prolong mould 3's life.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an idler one shot forming cold extrusion device, includes bottom plate (1) and sets up mould (3) at bottom plate (1) top, its characterized in that: also comprises

The disc (4) is arranged at the top of the die (3);

the first rod piece (5) and the second rod piece (6) are arranged at the bottom of the disc (4), the diameter of the second rod piece (6) is larger than that of the first rod piece (5), and the first rod piece (5) and the second rod piece (6) are distributed in central symmetry relative to the disc (4);

the driving piece (7) is arranged at the top of the disc (4), the disc (4) is in transmission connection with the driving piece (7) through an output shaft, and the driving piece (7) drives the first rod piece (5) or the second rod piece (6) to rotate through the disc (4) and corresponds to the position of the groove of the die (3).

2. The idler wheel one-shot forming cold extrusion device of claim 1, wherein: the disc-type connecting rod is characterized in that a third rod piece, a fourth rod piece, a fifth rod piece and a sixth rod piece are further arranged at the bottom of the disc (4), the diameters of the first rod piece (5), the second rod piece (6), the third rod piece, the fourth rod piece, the fifth rod piece and the sixth rod piece are sequentially increased, and the first rod piece (5), the second rod piece (6), the third rod piece, the fourth rod piece, the fifth rod piece and the sixth rod piece are in central symmetry distribution relative to the disc (4).

3. The one-shot forming cold extrusion apparatus for idler wheel as claimed in claim 2, wherein: the bottom of mould (3) is provided with top pushing assembly (9), and top pushing assembly (9) are including top ejector pad (91) and electric putter (92), and top ejector pad (91) slip embedding in the type groove department of mould (3), and electric putter (92) are fixed in the bottom of mould (3), and top ejector pad (91) are connected through the telescopic shaft transmission with electric putter (92).

4. The one-shot forming cold extrusion apparatus for idler wheel as claimed in claim 3, wherein: the top of the bottom plate (1) is fixedly connected with a top plate (2) through a support rod, and a hydraulic cylinder (8) is fixedly arranged in the middle of the top plate (2).

5. The one-shot forming cold extrusion apparatus for idler wheel as claimed in claim 4, wherein: the top of the first rod piece (5) and the top of the second rod piece (6) are both provided with stamping heads, and the first rod piece (5) and the second rod piece (6) are both fixedly connected with the disc (4) through the stamping heads.

6. The one-shot forming cold extrusion apparatus for an idler pulley as claimed in claim 4 or 5, wherein: the driving piece (7) comprises a motor and a motor cover, the motor is fixedly arranged in the motor cover, the disc (4) is in transmission connection with the motor through an output shaft, and the motor cover is in transmission connection with the hydraulic cylinder (8) through a telescopic shaft.