CN218744677U

CN218744677U - Bolt forming device with simplified structure

Info

Publication number: CN218744677U
Application number: CN202223234238.XU
Authority: CN
Inventors: 沈星煌; 姜伟; 涂晓波; 钱云柱; 何青松
Original assignee: Wenzhou Shengyu Auto Parts Co ltd
Current assignee: Wenzhou Shengyu Auto Parts Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-28
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a bolt forming device that structure is retrencied, including the extrusion workstation, be equipped with the lower mould on the extrusion workstation and be used for installing the die holder of lower mould, the extrusion groove has been seted up in the lower mould, be equipped with bolt ejection mechanism on the lower mould, bolt ejection mechanism places the platform including ejector pin and ejector pin, the ejector pin is placed the bench bit and is between die holder and lower mould, the ejector pin is placed the platform and is offered the ejector pin activity chamber that is linked together with the extrusion groove, the ejector pin activity sets up in extrusion groove and ejector pin activity intracavity, the ejector pin lower extreme is equipped with the spring, the ejector pin is placed the interior spring that still sets up and is linked together with the lower extreme in ejector pin activity chamber and holds the chamber, the spring supports to hold between the chamber at ejector pin and spring, the open area that the chamber was held to the spring is less than the area of terminal surface under the ejector pin, the lower mould top is equipped with the last mould that is used for carrying out the extrusion to the lower mould, be equipped with actuating mechanism and pushing equipment on the extrusion workstation, this structure not only sets up retrencientily the space and accounts for a little, the while the material taking process is also simple directness.

Description

Bolt forming device with simplified structure

Technical Field

The utility model relates to a bolt processing equipment technical field, especially a bolt forming device that structure is retrencied.

Background

In the process of forming the hexagonal head on the bolt, one end of a bolt blank is generally heated, then the heated bolt blank is placed on a die of a punch forming device, and the heated end is formed into the hexagonal head through an extrusion die.

At present, the utility model with application number CN202021078949.0 discloses an automatic change forming device of extrusion bolt, this utility model including swivel work head and extrusion work head, wherein the last mould that is used for the extrusion bolt is installed on extrusion work head, and the lower mould that is used for the extrusion bolt is installed on swivel work head, and this utility model's main beneficial effect does: when the extrusion of bolt was accomplished, swivel work head rotated to the lower mould and left extrusion work platform after, the lower mould can overturn and pour the bolt, consequently need not operating personnel oneself and gets the material.

However, the number of parts required to be equipped in the prior art is large, the occupied area is relatively large in practical application, and the material taking in the prior art is somewhat complicated from the aspects of paths and steps and is not convenient enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bolt forming device that structure is retrencied has simplified equipment structure on this prior art's basis, has shortened the route of getting the material, has solved the above-mentioned problem that exists in the use among the prior art.

The technical scheme of the utility model is realized like this: the utility model provides a bolt forming device that structure is retrencied, includes the extrusion workstation, be equipped with the lower mould on the extrusion workstation and be used for installing the die holder of lower mould, seted up the extrusion groove in the lower mould, be equipped with bolt ejection mechanism on the lower mould, bolt ejection mechanism places the platform including ejector pin and ejector pin, the ejector pin is placed the platform and is set up between die holder and lower mould, the ejector pin is placed a platform upper end and is offered the ejector pin activity chamber that is linked together with the extrusion groove, the ejector pin activity sets up in extrusion groove and ejector pin activity chamber, ejector pin lower extreme is provided with the spring, the ejector pin is placed the interior spring that still offers and is linked together with the lower extreme in ejector pin activity chamber and holds the chamber, the spring supports to set up and holds between the chamber at ejector pin and spring, the open area that the chamber was held to the spring is less than the area of ejector pin lower terminal surface, the lower mould top is provided with the last mould that is used for carrying out the extrusion to the lower mould, be equipped with the actuating mechanism that is used for promoting the mould to carry out the extrusion to the lower mould on the extrusion workstation, still be provided with pushing equipment on the extrusion workstation.

By adopting the technical scheme, after the bolt is extruded and formed, the ejector rod can eject the bolt under the action of the spring, and the ejector mechanism can push the ejected bolt away from the upper die, so that the structure is simple and compact, the space occupation is small, and the material taking process is simple and direct.

The utility model discloses further set up to: the pushing mechanism comprises a push plate and a first telescopic cylinder, the first telescopic cylinder is fixedly mounted on the extrusion workbench, an output shaft of the first telescopic cylinder is connected with the push plate, and the first telescopic cylinder is transversely arranged on the extrusion workbench.

Through adopting above-mentioned technical scheme, this structure accessible first telescopic link promotes the push pedal and will push away the bolt from last mould.

The utility model discloses further set up to: and the lower end of the extrusion groove is provided with a limiting step which is used for abutting against the upper end of the ejector rod.

Through adopting above-mentioned technical scheme, this structure can prevent that the knock-out lever from popping out from the extrusion groove.

The utility model discloses further set up to: the peripheral edge of the lower end of the ejector rod is attached to the side wall of the ejector rod movable cavity, and the peripheral edge of the upper end of the ejector rod is attached to the side wall of the extrusion groove.

Through adopting above-mentioned technical scheme, can prevent on the one hand that the knock-out lever is crooked, on the other hand can ensure that the terminal surface is the plane under the bolt is when the extrusion.

The utility model discloses further set up to: and a material receiving frame is arranged on one side of the extrusion workbench and is positioned on one side of the push plate, which is far away from the first telescopic cylinder.

Through adopting above-mentioned technical scheme, the push pedal can be taken advantage of the situation and push away the bolt to the material frame.

The utility model discloses further set up to: the bolt landslide is arranged on the extrusion workbench and inclines towards the material collecting frame, a '20866' shaped fence is arranged on the extrusion workbench, the fence is sleeved outside the lower die holder, the opening of the fence faces the material collecting frame, and the left side wall and the right side wall of the fence are fixedly connected with the left side wall and the right side wall of the bolt landslide respectively.

Through adopting above-mentioned technical scheme, bolt landslide and rail are used for guide bolt to get into the material frame of receiving.

The utility model discloses further set up to: the driving mechanism comprises a second telescopic cylinder fixedly installed above the extrusion workbench, the lower end of the second telescopic cylinder is connected with an upper die base, and the upper die is installed in the upper die base.

Through adopting above-mentioned technical scheme, the second telescoping cylinder can drive the mould extrusion lower mould.

Drawings

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

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

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is a schematic view of the three-dimensional structure of the present invention.

The reference numbers in the figures: the device comprises an extrusion workbench 1, a lower die holder 2, a lower die 21, an extrusion groove 22, a hexagonal groove 221, a cylindrical groove 222, a limit step 223, a push rod placing table 31, a push rod 32, a push rod movable cavity 33, a spring 34, a spring accommodating cavity 35, a first telescopic cylinder 41, a push plate 42, a material collecting frame 51, a bolt landslide 52, a fence 53, a second telescopic cylinder 61, an upper die holder 62 and an upper die 63.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 3 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not 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.

Example (b):

as shown in fig. 1 to 3, the utility model discloses a bolt forming device that structure is simplified, including extrusion table 1, be equipped with lower mould 21 and the die holder 2 that is used for installing lower mould 21 on this extrusion table 1, lower mould 21 demountable installation is in die holder 2, extrusion groove 22 has been seted up in lower mould 21 simultaneously, this extrusion groove 22 upper end is hexagonal groove 221 lower extreme for cylindrical groove 222, the lower extreme of lower mould 21 is provided with bolt ejection mechanism, this bolt ejection mechanism is including liftout rod 32 and liftout rod placing table 31, wherein the liftout rod placing table 31 is located between die holder 2 and the lower mould 21, and still offer the ejector rod movable chamber 33 that is used for being linked together with extrusion groove 22 on the up end of liftout rod placing table 31, and liftout rod 32 then the activity sets up in extrusion groove 22 and liftout rod movable chamber 33, the lower extreme of liftout rod 32 is provided with spring 34, the spring that is linked together with the lower extreme of liftout rod movable chamber 33 that has been seted up in liftout rod placing table 31 holds the chamber 35, this spring 34 supports and sets up the setting up in the lower end of the lower mould 32 and is provided with the lower end that the lower mould 32 and is used for the lower mould 21 and the lower mould 21 is provided with the area of the lower end of the lower mould 21 and is used for pushing mechanism and is used for pushing out the lower end and is provided with the lower mould 21 and is used for pushing out the extrusion and is used for pushing out the lower mould 21 in addition to push out the lower mould 21 and push out the push out rod area of the push out rod area and push out mechanism in addition to push out the lower mould 32.

The working principle of the structure is as follows: after the bolts are extruded, the springs 34 can push the ejector rods 32 upward to eject the bolts, and the ejector mechanism pushes the ejected bolts away from the upper die 63. In this arrangement, as shown in fig. 2, in addition to the fact that the opening area of the spring receiving chamber 35 is smaller than the area of the lower end surface of the ejector rod 32, it should be noted that, in order to prevent the material taking process from damaging the pressing groove 22, the preferred dimensions are: when the ejector rod 32 is moved to the highest position, the upper end surface of the ejector rod 32 cannot be lower than the lower end surface of the hexagonal groove 221 at the lowest, and the distance from the lower end surface of the ejector rod 32 to the lower end surface of the ejector rod movable chamber 33 cannot be expressed by the length of the gap between the upper end of the ejector rod 32 and the cylindrical groove 222 at this time.

The specific structure of the pushing mechanism can be as follows: the material pushing mechanism comprises a push plate 42 and a first telescopic cylinder (41), the first telescopic cylinder (41) is fixedly installed on the extrusion workbench 1, an output shaft of the first telescopic cylinder is connected with the push plate 42, meanwhile, the first telescopic cylinder (41) is transversely arranged on the extrusion workbench 1, and the working principle of the structure is as follows: after the bolt is ejected out of the extrusion slot 22, the push plate 42 pushes the bolt away from the upper die 63 by the first telescopic rod.

In order to prevent the ejector rod 32 from being ejected out of the pressing groove 22, a stopper step 223 is provided at the lower end of the pressing groove to abut against the upper end of the ejector rod 32.

The peripheral edge of the lower end of the ejector rod 32 is attached to the side wall of the ejector rod movable cavity 33, and the peripheral edge of the upper end of the ejector rod 32 is attached to the side wall of the extrusion groove 22, and the design reason of the structure is as follows: the peripheral edge of the upper end of the ejector rod 32 is attached to the side wall of the extrusion groove 22, so that the lower end face of the bolt is a plane when the bolt is extruded, smooth molding of the bolt can be ensured on one hand, the ejector rod 32 can be ejected out of the bolt conveniently on the other hand, and the upper end of the ejector rod 32 is combined with the structure setting of the lower end of the ejector rod 32, so that normal work caused by the deflection of the ejector rod 32 can be prevented.

A material receiving frame 51 for collecting the formed bolts is provided on one side of the extrusion table 1, and the material receiving frame 51 should be located on the side of the push plate 42 away from the first telescopic cylinder (41) in order to allow the bolts to smoothly drop into the material receiving frame 51.

In order to further guide the bolt to fall into the material receiving frame 51, a bolt landslide 52 is arranged on the extrusion workbench 1, the bolt landslide 52 inclines towards the material receiving frame 51, meanwhile, on the basis of the bolt landslide 52, a \2086653-shaped fence is also arranged on the extrusion workbench 1, the fence 53 is sleeved outside the lower die base 2, the opening of the fence faces towards the material receiving frame 51, and the left side wall and the right side wall of the fence 53 are respectively fixedly connected with the left side wall and the right side wall of the bolt landslide 52.

The driving mechanism comprises a second telescopic cylinder 61 fixedly installed above the extrusion workbench 1, the lower end of the second telescopic cylinder 61 is connected with an upper die base 62, an upper die 63 is installed in the upper die base 62, in the structure, the second telescopic cylinder 61 is used for pushing the upper die 63 downwards to complete extrusion work, and after the overstock work is completed, the upper die 63 can be lifted up again by the second telescopic cylinder 61.

The utility model that should point out simultaneously indicates the terminology, like: the references to "front", "rear", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientation or positional relationship shown in the drawings, which are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bolt forming device that structure is retrencied, includes extrusion work platform (1), its characterized in that: the extrusion workbench (1) is provided with a lower die (21) and a lower die base (2) for mounting the lower die (21), an extrusion groove (22) is formed in the lower die (21), the lower die (21) is provided with a bolt ejection mechanism, the bolt ejection mechanism comprises an ejection rod (32) and an ejection rod placing table (31), the ejection rod placing table (31) is arranged between the lower die base (2) and the lower die (21), the upper end of the ejection rod placing table (31) is provided with an ejection rod movable cavity (33) communicated with the extrusion groove (22), the ejection rod (32) is movably arranged in the extrusion groove (22) and the ejection rod movable cavity (33), the lower end of the ejection rod (32) is provided with a spring (34), the ejection rod placing table (31) is further provided with a spring accommodating cavity (35) communicated with the lower end of the ejection rod movable cavity (33), the spring (34) is abutted against and arranged between the ejection rod (32) and the spring accommodating cavity (35), the spring accommodating cavity (35) is provided with a lower die opening (63) for pushing the lower die (21), and the area of the lower die (21) is smaller than that the area of the extrusion workbench (21), and a material pushing mechanism is also arranged on the extrusion workbench (1).

2. The simplified bolt forming apparatus of claim 1, wherein: the pushing mechanism comprises a pushing plate (42) and a first telescopic cylinder (41), the first telescopic cylinder (41) is fixedly installed on the extrusion workbench (1), an output shaft of the first telescopic cylinder (41) is connected with the pushing plate (42), and the first telescopic cylinder (41) is transversely arranged on the extrusion workbench (1).

3. The bolt forming device with a simplified structure as claimed in claim 1, wherein: the lower end of the extrusion groove (22) is provided with a limit step (223) which is used for abutting against the upper end of the ejection rod (32).

4. The simplified bolt forming apparatus of claim 1, wherein: the peripheral edge of the lower end of the ejector rod (32) is attached to the side wall of the ejector rod movable cavity (33), and the peripheral edge of the upper end of the ejector rod (32) is attached to the side wall of the extrusion groove (22).

5. The simplified bolt forming apparatus of claim 2, wherein: a material receiving frame (51) is arranged on one side of the extrusion workbench (1), and the material receiving frame (51) is located on one side, far away from the first telescopic cylinder (41), of the push plate (42).

6. The simplified bolt forming apparatus of claim 5, wherein: the bolt landslide (52) is arranged on the extrusion workbench (1), the bolt landslide (52) inclines towards the material receiving frame (51), a 20866shaped fence (53) is arranged on the extrusion workbench (1), the fence (53) is sleeved outside the lower die base (2) and is provided with an opening facing the material receiving frame (51), and the left side wall and the right side wall of the fence (53) are fixedly connected with the left side wall and the right side wall of the bolt landslide (52) respectively.

7. The simplified bolt forming apparatus of claim 1, wherein: the driving mechanism comprises a second telescopic cylinder (61) fixedly mounted above the extrusion workbench (1), the lower end of the second telescopic cylinder (61) is connected with an upper die base (62), and an upper die (63) is mounted in the upper die base (62).