CN220178097U - Manual screw riveting die - Google Patents

Abstract

The utility model discloses a manual screw riveting die, which relates to the technical field of dies and comprises stamping equipment, wherein a stamping head is arranged at the lower end of the stamping equipment, an upper die is connected to the lower end of the stamping head, a corresponding lower die is arranged below the upper die, a product positioning area is arranged on the lower die, a nitrogen spring is arranged on the upper die, a fixed seat is fixedly arranged on the upper die and provided with a groove corresponding to the fixed end of the nitrogen spring, the fixed seat is sleeved on the periphery of the nitrogen spring through the groove, a movable seat is movably connected below the fixed seat through a first guide pillar and is connected to the movable end of the nitrogen spring, a riveting punch corresponding to the product positioning area is arranged at the lower end of the movable seat, and the riveting punch and the movable seat can be in sliding fit with the fixed seat along with the expansion and contraction of the movable end of the nitrogen spring; the length tolerance of the manual screw is balanced through the compression amount of the nitrogen spring, so that the yield of products can be effectively ensured, and the production requirement is met.

Description

Manual screw riveting die

Technical Field

The utility model relates to the technical field of dies, in particular to a manual screw riveting die.

Background

In the machining process, a riveting die is often required to rivet parts to be machined, and the structural design of the riveting die not only affects the precision and quality of machined products, but also directly affects the production efficiency and the machining cost of machining.

The existing riveting die is used for riveting a manual screw on a product, but because the manual screw is directly riveted by utilizing a riveting punch, the closing height of a punching machine and the length of the riveting punch are fixed because the length tolerance of the manual screw is +/-0.3mm, the riveting die cannot match the wide fluctuation of the length of the manual screw in the upper limit and the lower limit, the riveting yield is low, and the mass production is not realized. Specifically, when the height of the manual screw is limited to the upper limit, excessive riveting can occur, the manual screw is deformed to cause a clamping phenomenon, and the rotation is not smooth; when the height of the manual screw is lower, riveting is not in place, and loosening phenomenon occurs due to non-riveting; therefore, the riveting yield can be changed along with the height and size change of the manual screw, so that the yield of the product is low, and the production requirement is not met.

There is a need for an improved solution to the above-mentioned problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The utility model provides a manual screw riveting mould, including stamping equipment, stamping equipment's lower extreme has the stamping head, stamping head's lower extreme hookup has the mould, the below of going up the mould is provided with corresponding lower mould, be provided with the product location district on the lower mould, be provided with the nitrogen spring on the last mould, wherein, set firmly the fixing base on the last mould, and the fixing base has the recess that corresponds the nitrogen spring stiff end, the fixing base passes through the recess cover to be established in nitrogen spring's week side, there is the movable seat below of fixing base through first guide pillar swing joint, and the movable seat hookup is in nitrogen spring's expansion end, the lower extreme of movable seat is provided with the riveting punch that corresponds the product location district, riveting punch and movable seat can accompany the flexible and sliding fit in the fixing base of nitrogen spring expansion end.

As a further scheme of the utility model: the fixed seat is provided with a sliding groove corresponding to the first guide pillar, the movable seat is provided with a mounting groove corresponding to the first guide pillar, one end of the first guide pillar corresponding to the fixed seat is in sliding fit with the sliding groove, and one end of the first guide pillar corresponding to the movable seat is fixedly matched with the mounting groove.

As a further scheme of the utility model: one end of the first guide post corresponding to the sliding groove is connected with a second guide post, the diameter of the second guide post is smaller than that of the first guide post, a buffer spring is sleeved on the second guide post, and two ends of the buffer spring are respectively elastically abutted against the bottom wall of the sliding groove and one end of the first guide post connected with the second guide post.

As a further scheme of the utility model: the bottom wall of the chute is provided with a guide groove which is in sliding fit with the second guide post.

As a further scheme of the utility model: the diameter of the first guide post is matched with the aperture of the chute, and the diameter of the second guide post is matched with the aperture of the guide slot.

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

1) The nitrogen spring is arranged on the upper die, so that the riveting punch is driven by the nitrogen spring to rivet the manual screw, and the nitrogen spring has a certain compression space and the spring force can be adjusted, so that the length tolerance of the manual screw is balanced through the compression quantity of the nitrogen spring, and compared with the traditional riveting punch which is used for riveting the manual screw rigidly, the die can effectively ensure the yield of products and meet the production requirement;

2) Through fixing base, movable seat and set up the first guide pillar between fixing base and movable seat, the riveting punch not only can realize the pressure of riveting to manual screw under the drive of nitrogen spring telescopic link, and can follow the movable seat and carry out upwards or decurrent slip along first guide pillar, so guaranteed the precision of riveting punch butt joint product location area, and make the riveting punch carry out upwards or decurrent slip and the telescopic link of nitrogen spring take place in flexible in-process, be difficult for taking place the problem of off normal, thereby improve the stability of this mould riveting, and it is more durable.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model;

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

fig. 3 is a schematic top view of the product and its display.

Reference numerals and names in the drawings are as follows:

1. a punching device; 2. punching heads; 3. an upper die; 4. a lower die; 5. a product positioning area; 6. a nitrogen spring; 7. a fixing seat; 8. a fixed end; 9. a groove; 10. a first guide post; 11. a movable seat; 12. a movable end; 13. riveting a punch; 14. a chute; 15. a mounting groove; 16. a second guide post; 17. a buffer spring; 18. and a guide groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-3, in an embodiment of the present utility model, a manual screw riveting die includes a stamping device 1, a stamping head 2 is provided at a lower end of the stamping device 1, an upper die 3 is connected to a lower end of the stamping head 2, a corresponding lower die 4 is provided below the upper die 3, a product positioning area 5 is provided on the lower die 4, a nitrogen spring 6 is provided on the upper die 3, a fixing seat 7 is fixedly provided on the upper die 3, the fixing seat 7 has a groove 9 corresponding to a fixed end 8 of the nitrogen spring 6, the fixing seat 7 is sleeved on a circumferential side of the nitrogen spring 6 through the groove 9, a movable seat 11 is movably connected to a movable end 12 of the nitrogen spring 6 through a first guide pillar 10 under the fixing seat 7, a riveting punch 13 corresponding to the product positioning area 5 is provided at a lower end of the movable seat 11, and the riveting punch 13 and the movable seat 11 can be slidingly matched with the fixing seat 7 along with expansion and contraction of the movable end 12 of the nitrogen spring 6.

According to the technical scheme, the nitrogen spring 6 is arranged on the upper die 3, so that the riveting punch 13 is driven by the nitrogen spring 6 to rivet the manual screw, and the nitrogen spring 6 has a certain compression space and the spring force can be adjusted, so that the length tolerance of the manual screw is balanced through the compression quantity of the nitrogen spring 6, and compared with the traditional manner of riveting the manual screw through the rigidity of the riveting punch 13, the die can effectively ensure the yield of products and meet the production requirement;

preferably, through fixing base 7, movable seat 11 and set up the first guide pillar 10 between fixing base 7 and movable seat 11, fixing base 7 rigid coupling is set up in last mould 3, and set up flutedly 9 in the central point of fixing base 7, nitrogen spring 6 can install in last mould 3 through flutedly 9, nitrogen spring 6's loose end 12, the telescopic link hookup of nitrogen spring 6 has movable seat 11, and movable seat 11 is through first guide pillar 10 and fixing base 7 slip butt joint cooperation, so, the riveting punch 13 of setting on movable seat 11 lower extreme not only can realize the riveting of manual screw under nitrogen spring 6 telescopic link's drive, and can follow movable seat 11 and carry out upwards or down slip along first guide pillar 10, so guaranteed the precision of riveting punch 13 butt joint product location area 5, and make riveting punch 13 in the telescopic link of going on upwards or downhill slide and nitrogen spring 6 in the telescopic link in-process, difficult problem emergence of deviation, thereby improve the stability of this mould riveting, and it is more durable.

In the embodiment of the utility model, the fixed seat 7 is provided with a sliding groove 14 corresponding to the first guide pillar 10, the movable seat 11 is provided with a mounting groove 15 corresponding to the first guide pillar 10, one end of the first guide pillar 10 corresponding to the fixed seat 7 is in sliding fit with the sliding groove 14, and one end of the first guide pillar 10 corresponding to the movable seat 11 is fixedly matched with the mounting groove 15.

Through the sliding fit of the upper end of the first guide pillar 10 and the chute 14 and the fixed fit of the lower end of the first guide pillar 10 and the installation groove 15, the movable seat 11 can be in sliding butt joint with the fixed seat 7, and the movable seat 11, the first guide pillar 10 and the riveting punch 13 can synchronously act along with the expansion and contraction of the telescopic rod of the nitrogen spring 6, so that the first guide pillar 10 and the movable seat 11 cannot block the riveting action of the riveting punch 13 on the manual screw, the whole design is reasonable, and it can be understood that the upper end of the first guide pillar 10 is positioned in the chute 14 under the natural extension state of the telescopic rod of the nitrogen spring 6, so that the guiding effect is achieved, and the bottom wall of the chute 14 and the top end of the first guide pillar 10 have a certain distance to meet the inward contraction stroke of the first guide pillar 10.

In the embodiment of the utility model, one end of the first guide post 10 corresponding to the chute 14 is connected with the second guide post 16, the diameter of the second guide post 16 is smaller than that of the first guide post 10, the second guide post 16 is sleeved with the buffer spring 17, and two ends of the buffer spring 17 are respectively elastically abutted against the bottom wall of the chute 14 and one end of the first guide post 10 connected with the second guide post 16.

Through the setting of second guide pillar 16 and buffer spring 17, second guide pillar 16 is used for installing buffer spring 17, and buffer spring 17 can assist nitrogen spring 6 to realize the buffering and the reset to movable seat 11 and last riveting punch 13, and the vibrations that produce the product when further reducing simultaneously rivet do benefit to the outward appearance yields of guaranteeing the product to buffer spring 17 built-in mounting means does benefit to holistic succinctness.

In the embodiment of the present utility model, the bottom wall of the chute 14 is provided with a guide groove 18 slidably engaged with the second guide post 16.

By providing the guide groove 18, the second guide post 16 can have enough movable travel to match the expansion and contraction of the expansion and contraction rod of the nitrogen spring 6.

In the embodiment of the present utility model, the diameter of the first guide post 10 is adapted to the aperture of the chute 14, and the diameter of the second guide post 16 is adapted to the aperture of the guide slot 18.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (5)

1. The utility model provides a manual screw riveting mould, a serial communication port, including stamping equipment, stamping equipment's lower extreme has the punching press head, the lower extreme hookup of punching press head has the mould, the below of going up the mould is provided with corresponding lower mould, be provided with the product location district on the lower mould, be provided with the nitrogen spring on the last mould, wherein, set firmly the fixing base on the last mould, and the fixing base has the recess that corresponds the nitrogen spring stiff end, the fixing base passes through the recess cover to be established in the week side of nitrogen spring, there is the movable seat below of fixing base through first guide pillar swing joint, and the movable seat links in the movable end of nitrogen spring, the lower extreme of movable seat is provided with the riveting punch that corresponds the product location district, riveting punch and movable seat can be accompanied the flexible and sliding fit in the fixing base of nitrogen spring movable end.

2. The manual screw riveting die according to claim 1, wherein the fixed seat is provided with a sliding groove corresponding to the first guide pillar, the movable seat is provided with a mounting groove corresponding to the first guide pillar, one end of the first guide pillar corresponding to the fixed seat is in sliding fit with the sliding groove, and one end of the first guide pillar corresponding to the movable seat is fixedly matched with the mounting groove.

3. The manual screw riveting die according to claim 2, wherein one end of the first guide post corresponding to the sliding groove is connected with a second guide post, the diameter of the second guide post is smaller than that of the first guide post, a buffer spring is sleeved on the second guide post, and two ends of the buffer spring are respectively elastically abutted against the bottom wall of the sliding groove and one end of the first guide post connected with the second guide post.

4. A manual screw riveting die according to claim 3 wherein the bottom wall of the chute is provided with a guide slot which is in sliding fit with the second guide post.

5. The manual screw riveting die as claimed in claim 4, wherein the diameter of the first guide post is adapted to the aperture of the runner and the diameter of the second guide post is adapted to the aperture of the runner.