CN219188354U

CN219188354U - Stamping die for sewing machine parts

Info

Publication number: CN219188354U
Application number: CN202222719761.5U
Authority: CN
Inventors: 林宝元
Original assignee: Wujiang Wanping Baoding Machinery Co ltd
Current assignee: Wujiang Wanping Baoding Machinery Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-06-16
Anticipated expiration: 2032-10-17

Abstract

The utility model provides a stamping die for sewing machine parts, which comprises a lower die holder and an upper die holder, wherein the top end of the lower die holder is movably provided with the lower die, the four corners of the bottom end of the upper die holder are respectively provided with an air cylinder, the bottom ends of the air cylinders are respectively arranged at the top end of the lower die holder, one side of the bottom end of the upper die holder is fixedly provided with an upper die, the bottom end of the upper die holder is vertically and fixedly provided with a main rack, the bottom end of the main rack is in meshed connection with a gear shaft, the inside of the gear shaft is provided with a key shaft, two ends of the key shaft penetrate out of two ends of the gear shaft respectively, two sides of the bottom end of the gear shaft are respectively in meshed connection with a first auxiliary rack and a second auxiliary rack, the first auxiliary rack and the second auxiliary rack are respectively arranged at the top end of the lower die holder, and one side of the top end of the lower die holder is respectively provided with a first limiting rod and a second limiting rod. The utility model plays a linkage role through the main rack and the gear shaft, and the main rack and the upper die are driven to move downwards through the descending of the upper die holder, and the gear shaft is driven to rotate clockwise when the main rack moves downwards.

Description

Stamping die for sewing machine parts

Technical Field

The utility model belongs to the technical field of stamping parts of sewing machines, and particularly relates to a stamping die for a sewing machine part.

Background

The sewing machine has a plurality of component parts, and part of the component parts are required to be punched in the production process by a stamping die, for example, a connecting structure of a motor and the sewing machine is disclosed in Chinese patent application No. CN201720409091.3, and the connecting sheet is manufactured by a stamping process.

However, in the existing stamping die, most parts need staff to take out the formed sewing machine parts from the lower die after forming, and the conventional stamping die is usually immovable with the die holder, so that the staff has great potential safety hazards when taking out the sewing machine parts, for example: when the worker gets the sewing machine part, easily take place to touch the switch because of other personnel's mistake and make the mould push down, lead to the self safety of worker to receive very big potential safety hazard.

In summary, the present utility model provides a stamping die for sewing machine parts to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a stamping die for sewing machine parts, which is realized by the following specific technical means:

the utility model provides a stamping die for sewing machine part, includes die holder and upper die base, the top movable mounting of die holder has the bed die, the cylinder is all installed in the bottom four corners of upper die base, the top at the die holder is installed respectively to the bottom of cylinder, one side fixed mounting of upper die base bottom has the upper die, the vertical fixed mounting in bottom of upper die base has the main rack, the bottom meshing of main rack is connected with the tooth axle, the internally mounted of tooth axle has the key axle, the both ends of key axle wear out from the both ends of tooth axle respectively, just the bottom both sides of tooth axle are connected with first vice rack and second vice rack respectively in the meshing, first vice rack and second vice rack are all installed on the top of die holder, first gag lever post and second gag lever post are installed respectively to one side at the die holder top, just the logical groove has been vertically seted up on the top of die holder, the top of die holder is equipped with two gag lever posts, two the inboard of gag lever post all is equipped with the gag lever post, the guide bar is all transversely installed to the inboard of gag lever post.

Further, both ends of the key shaft are connected with the gear shaft in a clamping way through keys, and both ends of the key shaft are respectively sleeved at the top ends of the first limiting rod and the second limiting rod through bearings in a movable way, and the bottom ends of the first limiting rod and the second limiting rod are fixedly connected with the top ends of the lower die holders.

Further, a first sliding groove and a second sliding groove are respectively and transversely formed in the top end of the lower die holder, the first auxiliary rack and the second auxiliary rack are respectively and slidably connected with the first sliding groove and the second sliding groove through sliding strips, and the first auxiliary rack and the second auxiliary rack are respectively and fixedly mounted on one side of the lower die.

Further, a plane is arranged at the top end of the main rack, and the bottom end of the main rack penetrates out of the inner side of the through groove.

Further, through holes are formed in two sides of the bottom end of the lower die, the two guide rods are respectively arranged on the inner sides of the two through holes, a lower die core is arranged at the top end of the lower die, and a cutting groove is formed in the top end of the lower die core.

Further, an upper mold core is arranged at the bottom end of the upper mold, and a cutter is arranged at the top end of the upper mold core.

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

according to the utility model, the linkage effect is achieved through the main rack and the gear shaft, the main rack and the upper die are downwards driven through the upper die holder, the gear shaft is driven to rotate clockwise when the main rack downwards moves, meanwhile, the first auxiliary rack and the second auxiliary rack are driven through the rotation effect of the gear shaft to draw the lower die inwards and out, the lower die is pulled in to enable the plane arranged at the top end of the main rack to achieve the effect of limiting the movement distance of the gear shaft to drive the first auxiliary rack and the second auxiliary rack, so that the movement distance of the lower die is limited, the upper die is driven by the upper die holder to continuously press down until the stamping work between the upper die and the lower die is completed after the lower die is aligned with the lower die, the upper die is driven by the upper die holder to be separated from the lower die, and simultaneously, the main rack is lifted and meshed with the gear shaft again to drive the upper die, and at the moment, the gear shaft is driven to rotate anticlockwise, so that the lower die is driven to move outwards, a worker does not need to stretch hands between the upper die and the lower die, the stamping part is only needed to be taken out from the lower die after the pushing out, so that the stamping part is limited, the movement distance of the upper die is required to be taken out, and the stamping part is effectively prevented from the lower die, and the safety problem is not to be greatly lowered when the worker is caused when the stamping part is taken out by other workers.

Drawings

Fig. 1 is a schematic front view of a press mold for sewing machine parts according to the present utility model.

Fig. 2 is a schematic diagram showing a back view of a press mold for sewing machine parts according to the present utility model.

Fig. 3 is a schematic side sectional view of a press mold for sewing machine parts according to the present utility model.

FIG. 4 is a schematic sectional view showing a part of the structure of a press mold for sewing machine parts according to the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a lower die holder; 2. an upper die holder; 3. a lower die; 4. an upper die; 5. a cylinder; 6. a main rack; 7. a tooth shaft; 8. a first stop lever; 9. a second limit rod; 10. a first rack; 11. a second secondary rack; 101. a through groove; 102. a guide rod; 103. a first chute; 104. a second chute; 301. grooving; 401. a cutter; 701. and a key shaft.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 4:

the utility model provides a stamping die for sewing machine parts, which comprises a lower die holder 1 and an upper die holder 2, wherein the top end of the lower die holder 1 is movably provided with a lower die 3, four corners of the bottom end of the upper die holder 2 are respectively provided with an air cylinder 5, the bottom ends of the air cylinders 5 are respectively arranged at the top end of the lower die holder 1, one side of the bottom end of the upper die holder 2 is fixedly provided with an upper die 4, the bottom end of the upper die holder 2 is vertically and fixedly provided with a main rack 6, the bottom end of the main rack 6 is in meshed connection with a gear shaft 7, the inside of the gear shaft 7 is provided with a key shaft 701, two ends of the key shaft 701 respectively penetrate out of two ends of the gear shaft 7, two sides of the bottom end of the gear shaft 7 are respectively in meshed connection with a first auxiliary rack 10 and a second auxiliary rack 11, one side of the top end of the lower die holder 1 is respectively provided with a first limiting rod 8 and a second limiting rod 9, the top end of the lower die holder 1 is vertically provided with a through groove 101, the top end of the lower die holder 1 is provided with two limiting grooves 102, and two limiting grooves 102 are respectively arranged at the inner sides of the two limiting grooves.

Wherein, the both ends of key shaft 701 are all connected through key and tooth axle 7 block, just the both ends of key shaft 701 are respectively through bearing movable sleeve at the top of first gag lever post 8 and second gag lever post 9, have played through making key shaft 701 pass through bearing movable sleeve's mode, the pivoted effect of being convenient for, the top fixed connection of the bottom of first gag lever post 8 and second gag lever post 9 and die holder 1 has increased the stability of first gag lever post 8 and second gag lever post 9 through fixed connection's mode.

The top end of the lower die holder 1 is respectively and transversely provided with a first chute 103 and a second chute 104, the first auxiliary rack 10 and the second auxiliary rack 11 are respectively and slidably connected with the first chute 103 and the second chute 104 through sliding strips, and the first auxiliary rack 10 and the second auxiliary rack 11 are respectively and fixedly mounted on one side of the lower die 3, so that the first auxiliary rack 10 and the second auxiliary rack 11 respectively play a role in reducing sliding friction force through the first chute 103 and the second chute 104.

Wherein, the top of main rack 6 is equipped with the plane, through the plane, plays restriction tooth axle 7 through main rack 6 driven effect, makes tooth axle 7 realize idle running when passing through main rack 6 transmission to certain distance, has played the effect of restriction transmission distance simultaneously, the bottom of main rack 6 is worn out from logical inslot 101.

Wherein, the bottom both sides of bed die 3 all are equipped with the through-hole, two guide bar 102 are installed respectively in two the inboard of through-hole makes bed die 3 realize spacing effect of direction through guide bar 102, the top of bed die 3 is equipped with down the mold core, the top of lower mold core is equipped with grooving 301, grooving 301 plays the effect that provides the cutting space.

The bottom of the upper die 4 is provided with an upper die core, the top of the upper die core is provided with a cutter 401, and the cutter 401 plays a role in cutting stamping parts.

The working principle of the embodiment is as follows: firstly, place the top of bed die 3 with the sheet steel, descend transmission up die 4 through upper die holder 2 and descend, transmission main rack 6 descends, transmission meshing's tooth axle 7 is clockwise rotation simultaneously, first vice rack 10 of transmission and second vice rack 11 are rotated to tooth axle 7, make first vice rack 10 and second vice rack 11 slide in first spout 103 and second spout 104 respectively, thereby drive down die 3 inwards movement, when the decline distance between main rack 6 and the tooth axle 7 is to the plane on main rack 6 top, tooth axle 7 stops rotating because of releasing the meshing state, thereby make down die 3 stop moving, simultaneously, upward die 4 continuously descends, realize the stamping workpiece with the bed die 3 of stopped state, through cutter 401 and grooving 301 realization cutting, be convenient for once only produce two stamping workpiece, after the stamping is accomplished, upward die holder 2 drives up die 4 and main rack 6 and the counter-clockwise rotation is rotated to tooth axle 7 again when main rack 6 rises, make tooth axle 7 be anticlockwise rotation, simultaneously, the transmission down die 10 is not needed to the side by the personnel when the die 3 is gone up to the side of the counter-clockwise rotation, the potential safety hazard of the stamping workpiece is not needed to be taken out to the die 3 when the personnel, the problem of taking out is avoided when the die 3 is reached, and the personnel is not needed to take out to move down die 3 to the outside because of the counter-clockwise distance is reached, and the personnel is not need to be moved to the die 3.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. The utility model provides a stamping die for sewing machine part, includes die holder (1) and upper die base (2), the top movable mounting of die holder (1) has bed die (3), cylinder (5) are all installed in the bottom four corners of upper die base (2), the top at die holder (1) is installed respectively to the bottom of cylinder (5), one side fixed mounting of upper die base (2) bottom has last mould (4), its characterized in that: the vertical fixed mounting in bottom of upper die base (2) has main rack (6), the bottom meshing of main rack (6) is connected with tooth axle (7), the internally mounted of tooth axle (7) has key axle (701), wear out from the both ends of tooth axle (7) respectively in both ends of key axle (701), just the bottom both sides of tooth axle (7) are connected with first vice rack (10) and second vice rack (11) in the meshing respectively, the top at die holder (1) is all installed to first vice rack (10) and second vice rack (11), first gag lever post (8) and second gag lever post (9) are installed respectively to one side on die holder (1) top, just logical groove (101) have been vertically seted up on the top of die holder (1), the top of die holder (1) is equipped with two spacing, and two the inboard of spacing all is equipped with the spacing groove, guide bar (102) are all transversely installed to the inboard of spacing groove.

2. A stamping die for sewing machine parts as defined in claim 1, wherein: both ends of key axle (701) are all connected with tooth axle (7) block through the key, just the both ends of key axle (701) are respectively through the top of bearing movable sleeve dress at first gag lever post (8) and second gag lever post (9), the top fixed connection of the top of first gag lever post (8) and second gag lever post (9) and die holder (1).

3. A stamping die for sewing machine parts as defined in claim 1, wherein: the top of die holder (1) transversely is equipped with first spout (103) and second spout (104) respectively, first vice rack (10) and second vice rack (11) all pass through draw runner respectively with first spout (103) and second spout (104) sliding connection, just first vice rack (10) and second vice rack (11) are fixed mounting respectively in one side of bed die (3).

4. A stamping die for sewing machine parts as defined in claim 1, wherein: the top end of the main rack (6) is provided with a plane, and the bottom end of the main rack (6) penetrates out from the inner side of the through groove (101).

5. A stamping die for sewing machine parts as defined in claim 1, wherein: the bottom both sides of bed die (3) all are equipped with the through-hole, two guide bar (102) are installed respectively in two the inboard of through-hole, the top of bed die (3) is equipped with down the mold core, the top of lower mold core is equipped with grooving (301).

6. A stamping die for sewing machine parts as defined in claim 1, wherein: an upper mold core is arranged at the bottom end of the upper mold (4), and a cutter (401) is arranged at the top end of the upper mold core.