CN219309972U

CN219309972U - Two-end stamping jig for folded spring

Info

Publication number: CN219309972U
Application number: CN202223022491.9U
Authority: CN
Inventors: 杜智生
Original assignee: Dongguan Dushi Chengfa Precision Spring Co ltd
Current assignee: Dongguan Dushi Chengfa Precision Spring Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-07-07
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a two-end stamping jig for a folded spring, which comprises a base, a die and a guide piece; the die comprises an upper die and a lower die, wherein two stamping heads are arranged on the upper die and the lower die, one end of one stamping head is provided with a stamping position, the lower die is arranged on the base, and the guide piece is arranged between the upper die and the lower die and used for limiting the moving direction of the upper die; when the stamping is to be performed, the two ends of the folded spring are positioned on the lower die and are opposite to the stamping positions, and when the stamping is performed, the upper die moves towards the direction close to the corresponding lower die and performs stamping treatment on the two ends of the folded spring through the two stamping positions on the upper die and the lower die; the technical scheme of the utility model improves the stamping efficiency of the stamping jig.

Description

Two-end stamping jig for folded spring

Technical Field

The utility model relates to the technical field of stamping equipment, in particular to a two-end stamping jig for a folded spring.

Background

The stamping is a forming processing method for obtaining a workpiece with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to enable the plates, the strips, the pipes, the sectional materials and the like to generate plastic deformation or separation.

The existing stamping equipment performs stamping treatment on the workpiece by driving the stamping head to move, and the stamping head is offset in the process of driving the stamping head for a long time, so that the workpiece cannot be stamped according to the expected requirement, and therefore, the stamping head is required to be maintained and debugged frequently, the expected stamping requirement can be met, and the stamping efficiency of the stamping jig is reduced.

Disclosure of Invention

The utility model mainly aims to provide a two-end stamping jig for a folded spring, which aims to improve the stamping efficiency of the stamping jig.

In order to achieve the above object, the present utility model provides a two-end stamping jig for a folded spring, comprising:

a base;

the die comprises an upper die and a lower die, wherein two stamping heads are arranged on the upper die and the lower die, one end of one stamping head is provided with a stamping position, and the lower die is arranged on the base; and

a guide installed between the upper mold and the lower mold for restricting a moving direction of the upper mold; when the stamping is to be performed, the two ends of the folded spring are located on the lower die and are opposite to the stamping positions, and when the stamping is performed, the upper die moves towards the direction close to the corresponding lower die and performs stamping processing on the two ends of the folded spring through the two stamping positions on the upper die and the lower die.

Optionally, the punching head includes first punching plate and second punching plate, be equipped with on the first punching plate installation through-hole and with the punching press groove that the installation through-hole is linked together, the second punching plate install in the installation through-hole, and its one end part hold in the punching press groove, the second punching plate with the punching press groove forms the punching press position.

Optionally, the upper die with the bed die includes cope match-plate pattern and bed die respectively, the punching press head deviates from the one end in punching press position is first installation arch, the bellied transversal L type setting of personally submitting of first installation, the cope match-plate pattern with one side that the bed die deviates from each other all is equipped with two first mounting grooves, one first installation arch adaptation is in the first mounting groove.

Optionally, the guide is the guide bar, the both ends of guide bar all are equipped with the second installation arch, the bellied transversal T type setting of personally submitting of second installation, the cope match-plate pattern with one side that the lower bolster deviates from each other all is equipped with two second mounting grooves, one the protruding adaptation of second installation is in one in the second mounting groove.

Optionally, the guide bar includes install in first guide bar on the base and install in the second guide bar of last mould, the second guide bar cover is located in the first guide bar, when going up the mould and moving down, the second guide bar slides in the first guide bar.

Optionally, the two-end punching jig of the folded spring further comprises a connecting plate, the base is fixed on one side of the lower die plate, which is away from the upper die plate, and the connecting plate is fixed on one side of the upper die plate, which is away from the lower die plate, so as to fix the upper die plate, the punching head on the lower die plate and the guide rod.

Optionally, the upper die and/or the lower die are/is provided with a limiting part, and when the stamping is performed, two ends of the folded spring are limited at the limiting part.

Optionally, the limiting part is a limiting groove, when the stamping is performed, two ends of the folded spring are limited in the limiting groove, and the limiting groove is close to the stamping position.

Optionally, the two-end stamping jig of the folded spring further comprises a positioning assembly installed on the base, and the positioning assembly positions the folded spring on the lower die.

Optionally, the positioning assembly includes locating plate, elastic component and locating lever, the locating plate is fixed in on the base, the elastic component install in the locating lever with between the locating plate, the locating lever is so that the butt of roll over form spring is located the bed die.

According to the technical scheme, the guide piece is arranged between the upper die and the lower die, so that the upper die can punch according to the expected moving direction in the process of downward moving and punching, the stamping head can punch the double-fold spring according to the expected position, the workload for debugging the position of the stamping head is reduced, and the stamping efficiency of the stamping jig is improved; furthermore, the stamping jig can also process the two ends of the double-fold spring at one time, so that the stamping efficiency of the stamping jig is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of one embodiment of a two-end stamping tool for a accordion spring of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic diagram of a folding spring in an embodiment of a two-head pressing jig for folding springs according to the present utility model;

FIG. 4 is a cross-sectional view of one embodiment of a two-end stamping jig for a accordion spring of the present utility model;

FIG. 5 is a side view of an embodiment of a two-end stamping tool for a accordion spring of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Base seat	2321	Limiting groove
11	Sliding hole	233	First mounting projection
				21	Upper die	31	First guide rod
210	Upper template	32	Second guide rod
				22	Lower die	321	Second mounting projection
220	Lower template	40	Connecting plate
				23	Stamping head	51	Positioning plate
231	First punching plate	52	Positioning rod
				2311	Punching groove	53	Abutting plate
232	Second punching plate	60	Folding spring

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, "and/or" throughout this document includes three schemes, taking a and/or B as an example, including a technical scheme, a technical scheme B, and a technical scheme that both a and B satisfy; in addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 3, the present utility model provides a two-end stamping jig for a folded spring, comprising:

a base 10;

the die comprises an upper die 21 and a lower die 22, wherein two stamping heads 23 are arranged on the upper die 21 and the lower die 22, one end of one stamping head 23 is provided with a stamping position, and the lower die 22 is arranged on the base 10; and

a guide installed between the upper die 21 and the lower die 22 for restricting a moving direction of the upper die 21; when the stamping is to be performed, both ends of the folded spring 60 are located on the lower die 22 and are opposite to the stamping positions, and when the stamping is performed, the upper die 21 moves in a direction approaching to the corresponding lower die 22 and performs stamping processing on both ends of the folded spring 60 through the two stamping positions on the upper die 21 and the lower die 22.

According to the technical scheme, the guide piece is arranged between the upper die 21 and the lower die 22, so that the upper die 21 can punch according to the expected movement direction through the guide piece in the downward moving punching process, the punching head 23 can punch the double-shaped spring 60 according to the expected position, the workload for debugging the position of the punching head 23 is reduced, and the punching efficiency of the punching jig is improved; further, the stamping jig can also process the two ends of the double-folded spring 60 at a time, thereby further improving the stamping efficiency of the stamping jig.

In the present embodiment, the folding spring 60 may be punched by driving the upper die 21 downward by a table punch press, and may be a driving member such as a hydraulic cylinder.

Specifically, the punch 23 includes a first punch plate 231 and a second punch plate 232, the first punch plate 231 is provided with a mounting through hole and a punch slot 2311 communicating with the mounting through hole, the second punch plate 232 is mounted in the mounting through hole, and one end portion of the second punch plate 232 is accommodated in the punch slot 2311, and the second punch plate 232 and the punch slot 2311 form the punch position; by the cooperation of the pressing plate and the pressing slot 2311 to press and shape the two ends of the folded spring 60, it can be understood that the pressing thickness and shape of the folded spring 60 can be changed by changing the position of the pressing plate in the pressing slot 2311, and the heights of the pressing positions acting on the two ends of the folded spring 60 are different due to the shape of the folded spring 60 in the embodiment; of course, in other embodiments, the punch 23 may be directly integrally formed with the punch bit of a predetermined shape.

Referring to fig. 4, in this embodiment, the upper die 21 and the lower die 22 respectively include an upper die plate 210 and a lower die plate 220, one end of the punching head 23 facing away from the punching position is a first mounting protrusion 233, a cross section of the first mounting protrusion 233 is in an L-shape, two first mounting grooves are respectively provided on one sides of the upper die plate 210 and the lower die plate 220 facing away from each other, and one first mounting protrusion 233 is adapted to one first mounting groove.

Further, the two-end stamping jig for the accordion spring further includes a connecting plate 40, the base 10 is fixed on a side of the lower die plate 220 facing away from the upper die plate 210, the connecting plate 40 is fixed on a side of the upper die plate 210 facing away from the lower die plate 220, so as to fix the stamping heads 23 and the guide rods on the upper die plate 210 and the lower die plate 220, and the fixing manner between the connecting plate 40 and the upper die plate 210 and the fixing manner between the base 10 and the lower die plate 220 may be screw lock attachment, welding, riveting, and the like.

Preferably, the guide member is a guide rod, two ends of the guide rod are respectively provided with a second installation protrusion 321, the cross section of each second installation protrusion 321 is in a T-shaped arrangement, two second installation grooves are respectively formed in one side, away from each other, of the upper template 210 and the lower template 220, and one second installation protrusion 321 is adapted to one second installation groove.

Specifically, the guide rod includes a first guide rod 31 mounted on the base 10 and a second guide rod 32 mounted on the upper mold 21, the second guide rod 32 is sleeved in the first guide rod 31, and when the upper mold 21 moves downward, the second guide rod 32 slides in the first guide rod 31, and it is understood that the cross section of the sliding rod may be circular, triangular, square, etc.; of course, in other embodiments, only one guide rod may be provided, and the upper die plate 210 is provided with a sliding through hole, so that the upper die 21 slides along the length direction of the guide rod, and only one end of the sliding rod needs to be fixed on the lower die plate 220 or the base 10.

Specifically, the base 10 is provided with a sliding hole 11, the first guide rod 31 and the second guide rod 32 are respectively mounted on the base 10 and the upper template 210 through a second mounting protrusion 321, and the first guide rod 31 is sleeved in the second guide rod 32 and can pass through and slide in the sliding hole 11.

Referring to fig. 2, in the present embodiment, the upper die 21 and/or the lower die 22 are provided with a limiting portion, and both ends of the accordion spring 60 are limited to the limiting portion during the pressing.

Specifically, the limiting portion is a limiting groove 2321, during the stamping, two ends of the folded spring 60 are limited in the limiting groove 2321, the limiting groove 2321 is disposed near the stamping position, it can be understood that when the folded spring 60 is placed on the stamping head 23 on the lower die 22, the folded spring 60 may deviate, and by disposing the limiting groove 2321, the folded spring 60 can be limited at a predetermined position during the stamping, and the folded spring 60 is placed to be separated from the stamping position.

In this embodiment, the two-end stamping jig for the folded spring further includes a positioning assembly mounted on the base 10, and the positioning assembly positions the folded spring 60 on the lower die 22, and the folded spring 60 can be further positioned and fixed by setting the positioning assembly, so that the position of the folded spring 60 during stamping is positioned, thereby improving the yield of the stamped folded spring 60, and further improving the production efficiency.

Referring to fig. 5, specifically, the positioning assembly includes a positioning plate 51, an elastic member and a positioning rod 52, the positioning plate 51 is fixed on the base 10, the elastic member is installed between the positioning rod 52 and the positioning plate 51, and the positioning rod 52 makes the accordion spring 60 abut against and position on the lower die 22.

When the two ends of the folded spring 60 are placed on the punching position, the positioning rod 52 is pulled and then the positioning rod 52 is loosened, so that the positioning rod 52 clamps the middle part of the folded spring 60 between the positioning rod 52 and the lower template 220, and the folded spring 60 is positioned.

Further, the elastic member is a pressure spring, one end of the positioning rod 52 facing the lower die plate 220 is further provided with an abutting plate 53, the positioning rod 52 can be integrally arranged with the abutting plate 53, and can also be bonded and welded, etc., a cross-street nep of the abutting plate 53 is larger than the cross-sectional area of the positioning rod 52, the pressure spring is sleeved on the positioning rod 52, and two ends of the pressure spring are respectively abutted against the abutting plate 53 and the positioning plate 51; of course, in other embodiments, the resilient member may also be a torsion spring.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. Two punching press tools of form spring of rolling over, its characterized in that includes:

a base;

a guide installed between the upper mold and the lower mold for restricting a moving direction of the upper mold; when the stamping is to be performed, the two ends of the folded spring are positioned on the lower die and are opposite to the stamping positions, and when the stamping is performed, the upper die moves towards the direction close to the corresponding lower die and performs stamping treatment on the two ends of the folded spring through the two stamping positions on the upper die and the lower die;

the stamping head comprises a first stamping plate and a second stamping plate, wherein the first stamping plate is provided with an installation through hole and a stamping groove communicated with the installation through hole, the second stamping plate is installed in the installation through hole, one end part of the second stamping plate is accommodated in the stamping groove, and the second stamping plate and the stamping groove form the stamping position.

2. The two-end stamping jig for the folded spring according to claim 1, wherein the upper die and the lower die respectively comprise an upper die plate and a lower die plate, one end of the stamping head, which is away from the stamping position, is provided with a first mounting protrusion, the cross section of the first mounting protrusion is in an L-shaped arrangement, two first mounting grooves are respectively formed in one side, which is away from each other, of the upper die plate and the lower die plate, and one first mounting protrusion is adapted to one first mounting groove.

3. The two-end stamping jig for the folded spring according to claim 2, wherein the guide piece is a guide rod, second mounting protrusions are arranged at two ends of the guide rod, the cross sections of the second mounting protrusions are in a T-shaped arrangement, two second mounting grooves are formed in one side, away from each other, of the upper die plate and the lower die plate, and one second mounting protrusion is fit into one second mounting groove.

4. The folding spring two-head stamping jig according to claim 3, wherein the guide rod comprises a first guide rod mounted on the base and a second guide rod mounted on the upper die, the second guide rod is sleeved in the first guide rod, and when the upper die moves downwards, the second guide rod slides in the first guide rod.

5. The two-sided stamping jig of the accordion spring of claim 3, further comprising a connecting plate, the base being fixed to a side of the lower die plate facing away from the upper die plate, the connecting plate being fixed to a side of the upper die plate facing away from the lower die plate to fix the stamping heads and the guide bars on the upper die plate and the lower die plate.

6. The two-end stamping jig for the accordion spring according to claim 1, wherein limiting parts are arranged on the upper die and/or the lower die, and two ends of the accordion spring are limited at the limiting parts during stamping.

7. The fixture for stamping two ends of the folded spring according to claim 6, wherein the limiting portion is a limiting groove, two ends of the folded spring are limited in the limiting groove during stamping, and the limiting groove is arranged close to the stamping position.

8. The two-sided stamping jig of a accordion spring of claim 1, further comprising a positioning assembly mounted to the base, the positioning assembly positioning the accordion spring to the lower die.

9. The folding spring two-head stamping jig of claim 8, wherein the positioning assembly comprises a positioning plate, an elastic member and a positioning rod, the positioning plate is fixed on the base, the elastic member is installed between the positioning rod and the positioning plate, and the positioning rod enables the folding spring to be abutted and positioned on the lower die.