CN211515787U - Nitrogen spring mounting structure and stamping die subassembly - Google Patents

Abstract

The present disclosure relates to a nitrogen spring mounting structure and a stamping die assembly. The nitrogen spring mounting structure comprises a tail mounting piece and a front mounting piece. The afterbody installed part is used for cooperating with nitrogen spring's afterbody joint, and anterior installed part includes the base and rotates the piece, and the base is provided with first notch, rotates the piece and is provided with the second notch, and first notch and second notch cooperation form and are used for holding the anterior card of holding nitrogen spring and hold the hole. One end of the rotating piece, which is positioned in the second notch, is hinged to the base, and the other end of the rotating piece, which is positioned in the second notch, is detachably connected to the base. Fixing the nitrogen gas spring through above-mentioned structure, only need rotate the piece and open and hold the hole, with the afterbody card of nitrogen gas spring afterbody installed part, and put into the card with the front portion of nitrogen gas spring and hold in the hole, then close and hold the hole and can accomplish the installation to the nitrogen gas spring.

Description

Nitrogen spring mounting structure and stamping die subassembly

Technical Field

The disclosure relates to the technical field of dies, in particular to a nitrogen spring mounting structure and a stamping die assembly.

Background

With the rapid development of the mold industry, the requirements on the quality of the mold are increasingly higher, and compared with the common spring as a pressure source, the nitrogen spring is favored by more and more mold manufacturers due to the stable performance and the ultrahigh service life of the nitrogen spring. One set of mould needs several, and needs tens or even tens of nitrogen springs to press the material, so the installation and the replacement of the nitrogen spring occupy a large amount of working hours of mould assembly and debugging personnel. The worker periodically removed the nitrogen spring from the mold to measure whether the internal pressure thereof was within a normal range. And the mould is polishing, when wasing maintenance work such as, also need dismantle nitrogen spring, avoids its plunger to receive the pollution, influences the life-span. After the air pressure detection of the nitrogen spring or the maintenance of the mold is finished, the nitrogen spring needs to be installed back.

With regard to the mounting means of current nitrogen spring, when needing to dismantle nitrogen spring, just must all demolish all screws and just can take out nitrogen spring, and the installation piece that is used for fixed nitrogen spring when dismantling nitrogen spring also must take off simultaneously, very wastes time and energy. When the nitrogen spring is installed again, the installation block and the nitrogen spring need to be combined together again, the installation position needs to be found, and a plurality of screws need to be screwed down. The operation process is quite complicated, the disassembly and assembly efficiency is low, great troubles are brought to the debugging and the use of the die, the manufacturing period of the die is seriously influenced, and the great waste of working hours and cost is caused.

SUMMERY OF THE UTILITY MODEL

The disclosed object is to provide a nitrogen spring mounting structure, which facilitates the mounting and dismounting of a nitrogen spring.

In order to realize above-mentioned purpose, this disclosure provides a nitrogen gas spring mounting structure, it includes afterbody installed part and anterior installed part, afterbody installed part be used for with nitrogen gas spring's afterbody joint cooperation, anterior installed part includes the base and rotates the piece, the base is provided with first notch, it is provided with the second notch to rotate the piece, first notch with the cooperation of second notch forms and is used for the card to hold nitrogen gas spring's anterior card is held the hole, it is located to rotate the piece the one end of second notch articulate in the base, rotate the lieing in the other end of second notch can dismantle connect in the base.

Optionally, the front mounting part includes a fastener, the rotating part of the front mounting part is provided with a first connecting hole, the base is provided with a second connecting hole corresponding to the first connecting hole, and the fastener passes through the first connecting hole and is connected with the second connecting hole.

Optionally, the front mounting member further includes a rotating shaft, the rotating member includes a hinge portion having a first hinge hole, the hinge portion protrudes downward from the bottom of the rotating member, the base has a hinge groove, the hinge portion is inserted into the hinge groove, a through second hinge hole is formed in a side wall of the hinge groove, and the rotating shaft penetrates through the first hinge hole and the second hinge hole.

Optionally, both ends of the rotating shaft are respectively provided with a blocking portion and a locking portion, the outer diameter of the blocking portion is larger than the aperture of the second hinge hole, the locking portion is exposed out of the base, and a nut is screwed on the locking portion.

Optionally, a part of the anti-loosening portion exposed out of the nut is further provided with an anti-loosening hole extending in the radial direction, and a cotter pin or an iron wire penetrates through the anti-loosening hole to lock the nut.

Optionally, a clamping groove is formed in one side, close to the front mounting part, of the tail mounting part, and the opening of the clamping groove faces upwards and is used for clamping the tail part of the nitrogen spring.

Optionally, the clamping groove is in a U-shaped notch shape, and a limiting protrusion matched with the tail groove of the nitrogen spring is convexly arranged on the side wall of the clamping groove.

Optionally, the clamping groove comprises a limiting surface extending in the vertical direction, the limiting surface is opposite to the front mounting part, and the limiting surface is used for abutting against the tail end face of the nitrogen spring.

Optionally, the tail mounting part is further provided with a plurality of first mounting holes for fixed connection with a die or a machine tool.

According to another aspect of the present disclosure, a stamping die assembly is provided, including die holder, nitrogen spring and foretell nitrogen spring mounting structure, the afterbody installed part with anterior installed part is fixed in respectively the die holder, the afterbody of nitrogen spring with afterbody installed part joint cooperation, the front portion of nitrogen spring is worn to locate hold the hole.

Through the technical scheme, when the nitrogen spring is installed on a die or a machine tool, only the rotating part needs to be rotated to open the clamping hole, the tail part of the nitrogen spring is clamped into the tail part installing part, the front part of the nitrogen spring is placed into the clamping hole, and then the clamping hole is closed to complete the installation of the nitrogen spring. In a similar way, when the nitrogen spring is required to be disassembled, the clamping hole is only required to be opened, and the nitrogen spring is taken down. Therefore, the nitrogen spring mounting structure can remarkably improve the convenience of mounting and dismounting the nitrogen spring. And, carry on spacingly or fixed respectively to nitrogen spring's afterbody and front portion through afterbody installed part and anterior installed part respectively for it is more firm to nitrogen spring's fixed, stability when improving the use nitrogen spring.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic perspective view of a prior art nitrogen spring;

FIG. 2 is a schematic perspective view of a nitrogen spring mounting structure with a nitrogen spring mounted thereon when a chucking hole is opened according to an embodiment of the present disclosure;

FIG. 3 is a schematic perspective view of a nitrogen spring mounting structure with a nitrogen spring mounted therein when a chucking hole is closed according to an embodiment of the present disclosure;

FIG. 4 is a perspective view of a front mount of a nitrogen spring mounting arrangement according to an embodiment of the present disclosure;

FIG. 5 is a perspective view of a rotor of a nitrogen spring mounting structure according to an embodiment of the present disclosure;

FIG. 6 is a schematic perspective view of a rotating shaft of a nitrogen spring mounting structure according to an embodiment of the present disclosure;

FIG. 7 is a schematic perspective view of a base of a nitrogen spring mounting structure according to an embodiment of the present disclosure;

fig. 8 is a perspective view of a rear mount of a nitrogen spring mounting arrangement according to an embodiment of the present disclosure.

Description of the reference numerals

100-nitrogen spring mounting structure; 10-a tail mount; 111-card slot; 112-a limit protrusion; 121-a first mounting hole; 13-a limiting surface; 20-a front mount; 21-a holding hole; 211-a first recess; 212-a second recess; 22-a base; 221-hinge slot; 222-a second hinge hole; 223-second connection hole; 23-a rotating member; 231-first connection hole; 232-hinge part; 233-a first hinge hole; 24-a fastener; 25-a rotating shaft; 251-a resisting part; 252-a locking portion; 2521-anti-loosening pores; 28-a second mounting hole; 300-nitrogen spring; 301-tail recess; 302-front of nitrogen spring; 303-tail end face; 304-tail of nitrogen spring; 500-a stamping die assembly; 400-die holder.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, without being explained to the contrary, the use of the directional words such as "upper and lower" generally means that the nitrogen spring mounting structure 100 is defined in a state of being located on a horizontal plane, and specifically, reference may be made to the direction of the drawing as shown in fig. 2. The terms "inside and outside" refer to the inside and outside of the profile of the relevant component. In addition, the terms "first", "second", and the like used in the embodiments of the present disclosure are for distinguishing one element from another, and have no order or importance.

In the present disclosure, a nitrogen spring mounting structure 100 is provided, as shown in fig. 2-8, the nitrogen spring mounting structure 100 including a trailing mount 10 and a leading mount 20 that secure a trailing portion 304 and a leading portion 302, respectively, of a nitrogen spring 300. Tail mount 10 is adapted to snap fit with tail 304 of nitrogen spring 300. The front mount 20 includes a base 22 and a rotating member 23. The base 22 is provided with a first recess 211 and the rotation member 23 is provided with a second recess 212. The first recess 211 and the second recess 212 cooperate to form a catching hole 21 for catching the front portion 302 of the nitrogen spring 300. One end of the rotating member 23 located in the second recess 212 is hinged to the base 22, and the other end of the rotating member 23 located in the second recess 212 is detachably connected to the base 22.

As shown in fig. 7, the base 22 is further provided with a plurality of second mounting holes 28 for fixedly connecting with a mold or a machine tool, so that the base 22 can be fixed on the mold or the machine tool by screws, and the mounting and dismounting are convenient.

When the nitrogen spring 300 is installed on a mold or a machine tool, as shown in fig. 2, according to the above technical solution, the rotating member 23 is only required to rotate to open the holding hole 21, the tail portion 304 of the nitrogen spring 300 is clamped into the tail portion installation member 10, the front portion 302 of the nitrogen spring is clamped into the holding hole 21, and then the holding hole 21 is closed to complete the installation of the nitrogen spring 300. Similarly, when the nitrogen spring 300 needs to be detached, the holding hole 21 is opened and the nitrogen spring 300 is detached. Therefore, the nitrogen spring mounting structure 100 can significantly improve the convenience of attaching and detaching the nitrogen spring 300. Furthermore, as shown in fig. 3, the tail part 304 and the front part of the nitrogen spring 300 are respectively limited or fixed by the tail part installation part 10 and the front part installation part 20, so that the nitrogen spring 300 is more stably fixed, and the stability of the nitrogen spring 300 is improved.

In one embodiment of the present disclosure, the front mount 20 includes a fastener 24, and the fastener 24 is detachably coupled to the base 22 and the rotation member 23 so that the catching hole 21 is caught at the front of the nitrogen spring 300. When it is desired to install the nitrogen spring 300, the rotating member 23 is opened, the nitrogen spring 300 is put in such a manner that the rear portion 304 of the nitrogen spring 300 is caught in the rear mounting member 10, the front portion 302 of the nitrogen spring 300 is caught in the catching hole 21, then the rotating member 23 is closed, and finally the catching hole 21 is maintained in a closed state by the fastening member 24. By providing the fastener 24, the nitrogen spring 300 can be more stably fixed by the front mount 20.

The specific structure of the fastening element 24 is not limited in this disclosure, as long as the fastening element can lock the closed state of the retaining hole 21, in an embodiment, the rotating element 23 is provided with a first connecting hole 231, the base 22 is provided with a second connecting hole 223 corresponding to the first connecting hole 231, and the fastening element 24 passes through the first connecting hole 231 and the second connecting hole 223 to be connected.

The first coupling hole 231 may be a through hole, the second coupling hole 223 may be a screw hole, and the fastener 24 may be a screw that is threadedly coupled with the second coupling hole 223 through the first coupling hole 231. Or the first connection hole 231 and the second connection hole 223 are both through holes, and the fastening member 24 is a bolt that is fitted with a nut through the first connection hole 231 and the second connection hole 223.

In other embodiments, other ways of maintaining the holding hole 21 in the closed state may be used. For example, a snap structure may be disposed at a connection position of the base 22 and the rotating member 23, or an electromagnet may be disposed on one of the contact surfaces of the base 22 and the rotating member 23, and a metal block capable of being attracted by the electromagnet may be disposed on the other of the contact surfaces of the base 22 and the rotating member 23, so that the opening and closing of the holding hole 21 are realized by powering on and off the electromagnet.

In one embodiment of the present disclosure, as shown in fig. 4 and 6, the front mount 20 further includes a rotation shaft 25. The rotating member 23 includes a hinge portion 232 formed with a first hinge hole 233, and the hinge portion 232 is protruded downwardly from the bottom of the rotating member 23. The base 22 is provided with a hinge groove 221, and the hinge 232 is inserted into the hinge groove 221. The sidewall of the hinge slot 221 is provided with a second hinge hole 222, and the shaft 25 penetrates through the first hinge hole 233 and the second hinge hole 222. Therefore, the rotating member 23 can be hinged to the base 22, and the displacement of the rotating member 23 along the length direction of the nitrogen spring 300 can be limited by the cooperation of the hinge portion 232 and the hinge groove 221. Moreover, the structure is simple and the cost is low.

It is understood that in other embodiments, the hinge portion 232 may be disposed on the base 22 and the hinge slot 221 may be disposed on the rotating member 23, and the hinge connection therebetween may be achieved.

Optionally, as shown in fig. 6, both ends of the rotating shaft 25 are respectively provided with a resisting portion 251 and a locking portion 252, an outer diameter of the resisting portion 251 is larger than an aperture of the second hinge hole 222, and optionally, an outer diameter of the resisting portion 251 is also larger than the first hinge hole 233. The rotation shaft 25 is prevented from being released from the first hinge hole 233 and the second hinge hole 222 by the abutting portion 251 against the side wall of the rotation member 23.

Further, as shown in fig. 4 and 6, the anti-loose portion 252 is exposed from the base 22, a nut is screwed on the anti-loose portion 252, a portion of the anti-loose portion 252 exposed from the nut is further provided with an anti-loose hole 2521 extending in the radial direction, and a cotter pin or a wire passes through the anti-loose hole 2521 to lock the nut. So just can effectively prevent that the nut from droing from pivot 25 to make pivot 25 wear to locate first hinge hole 233 and second hinge hole 222 throughout, guarantee to rotate piece 23 and can normally open and close, realize dismantling and installing nitrogen spring 300.

As shown in fig. 2 and 3, a side of the rear mounting member 10 close to the front mounting member 20 is provided with a slot 111, and the slot 111 opens upward and is used for holding a rear portion 304 of the nitrogen spring 300. As shown in fig. 1, tail portion 304 of nitrogen spring 300 may be retained by snapping it into slot 111.

In one embodiment of the present disclosure, the locking groove 111 is configured in a U-shaped notch shape, and a limiting protrusion 112 is convexly disposed on a side wall of the locking groove 111. Stop boss 112 is located on the side of slot 111 adjacent to anterior mount 20. The tail 304 of the nitrogen spring 300 is provided with a tail recess 301. In one embodiment of the present disclosure, the limiting protrusion 112 extends along a sidewall of the catching groove 111, so that the catching groove 111 forms a stepped groove.

Through set up the spacing arch 112 with the afterbody recess 301 matched with of nitrogen gas spring 300 on afterbody installed part 10, block afterbody recess 301 spacing arch 112 into, can restrict nitrogen gas spring 300 along the ascending displacement of length direction, also make things convenient for nitrogen gas spring 300's dismantlement and installation.

In other embodiments, the locking groove 111 may be configured as a C-shaped notch or other shapes as long as it can be locked into the groove of the nitrogen spring 300.

As shown in fig. 8, in one embodiment of the present disclosure, the card slot 111 includes a limiting surface 13 extending in a vertical direction, and the limiting surface 13 is disposed opposite to the front mounting member 20. The stopper surface 13 is configured to abut against the tail end surface 303 of the nitrogen spring 300. By providing the stopper surface 13, the nitrogen spring 300 can be supported in the longitudinal direction of the nitrogen spring 300.

As shown in fig. 2 and 3, the tail mounting member 10 is further provided with a plurality of first mounting holes 121 for fixedly connecting with a mold or a machine tool, so that the tail mounting member 10 is fixed on the mold or the machine tool by screws, and the installation and the disassembly are convenient.

As shown in fig. 5, according to another aspect of the present disclosure, there is also provided a stamping die assembly 500. The press die assembly 500 includes a die holder 400, a nitrogen spring 300, and the nitrogen spring mounting structure 100 described above. The tail installation piece 10 and the front installation piece 20 are respectively fixed on the die holder 400, the tail groove 301 of the nitrogen spring 300 is in clamping fit with the tail installation piece 10, and the front part 302 of the nitrogen spring 300 penetrates through the clamping hole 21. The nitrogen spring 300 is fixed by the nitrogen spring mounting structure 100, so that the nitrogen spring 300 can be conveniently mounted and dismounted, and the production efficiency of the die is improved.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A nitrogen spring mounting structure is characterized by comprising a tail mounting piece (10) and a front mounting piece (20), the tail mounting piece (10) is used for being matched with the tail part (304) of the nitrogen spring (300) in a clamping way, the front mounting (20) comprises a base (22) and a rotary member (23), the base (22) is provided with a first recess (211), the rotary member (23) is provided with a second recess (212), the first recess (211) and the second recess (212) cooperate to form a retaining hole (21) for retaining a front portion (302) of the nitrogen spring (300), one end of the rotating piece (23) positioned at the second notch (212) is hinged to the base (22), the other end of the rotating piece (23) positioned at the second notch (212) is detachably connected with the base (22).

2. The nitrogen spring mounting structure of claim 1, wherein the front mounting member (20) comprises a fastening member (24), the rotating member (23) is provided with a first connecting hole (231), the base (22) is provided with a second connecting hole (223) corresponding to the first connecting hole (231), and the fastening member (24) passes through the first connecting hole (231) and is connected with the second connecting hole (223).

3. The nitrogen spring mounting structure according to claim 1, wherein the front mounting member (20) further comprises a rotating shaft (25), the rotating member (23) comprises a hinge portion (232) having a first hinge hole (233), the hinge portion (232) protrudes downward from the bottom of the rotating member (23), the base (22) has a hinge groove (221), the hinge portion (232) is inserted into the hinge groove (221), a through second hinge hole (222) is formed in a side wall of the hinge groove (221), and the rotating shaft (25) penetrates through the first hinge hole (233) and the second hinge hole (222).

4. The nitrogen spring mounting structure of claim 3, wherein two ends of the rotating shaft (25) are respectively provided with a resisting part (251) and a locking part (252), the outer diameter of the resisting part (251) is larger than the aperture of the second hinge hole (222), the locking part (252) is exposed out of the base (22), and a nut is screwed on the locking part (252).

5. The nitrogen spring mounting structure of claim 4, wherein a portion of the anti-loosening portion (252) exposed out of the nut is further provided with an anti-loosening hole (2521) extending in a radial direction, and a cotter pin or an iron wire is passed through the anti-loosening hole (2521) to lock the nut.

6. The nitrogen spring mounting structure according to any one of claims 1-5, wherein a side of the tail mounting part (10) close to the front mounting part (20) is provided with a clamping groove (111), and the clamping groove (111) is opened upwards and used for clamping a tail part (304) of the nitrogen spring (300).

7. The nitrogen spring mounting structure according to claim 6, wherein the clamping groove (111) is formed in a U-shaped notch shape, and a limiting protrusion (112) for matching with a tail groove (301) of the nitrogen spring (300) is convexly arranged on the side wall of the clamping groove (111).

8. The nitrogen spring mounting structure according to claim 6, wherein the clamping groove (111) comprises a limiting surface (13) extending in a vertical direction, the limiting surface (13) is arranged opposite to the front mounting piece (20), and the limiting surface (13) is used for abutting against a tail end surface (303) of the nitrogen spring (300).

9. A nitrogen spring mounting structure according to claim 6, wherein the tail mounting member (10) is further provided with a plurality of first mounting holes (121) for fixed connection with a die or a machine tool.

10. A stamping die assembly, comprising a die holder (400), a nitrogen spring (300) and the nitrogen spring mounting structure (100) of any one of claims 1-9, wherein the tail mount (10) and the front mount (20) are respectively fixed to the die holder (400), the tail (304) of the nitrogen spring is snap-fitted to the tail mount (10), and the front (302) of the nitrogen spring is inserted into the clamping hole (21).

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