CN109099798B

CN109099798B - Device for opening tightening film in firework production

Info

Publication number: CN109099798B
Application number: CN201811196371.6A
Authority: CN
Inventors: 彭明
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-15
Filing date: 2018-10-15
Publication date: 2020-04-28
Anticipated expiration: 2038-10-15
Also published as: CN109099798A

Abstract

The invention discloses a device for opening a tightening film in firework production, which comprises a first supporting disk and a second supporting disk, wherein supporting legs are fixed at the bottom of the second supporting disk, the first supporting disk is rotatably connected to the second supporting disk, four arc-shaped holes which are uniformly distributed in the circumferential direction are formed in the second supporting disk, sliding rods are slidably connected in each arc-shaped hole, a long hole into which the upper end of one sliding rod can be inserted is formed in the first supporting disk, an expansion rod is inserted into the upper end of each sliding rod, a driving mechanism is arranged between the first supporting disk and the second supporting disk, a locking mechanism for locking the first supporting disk and the second supporting disk after the first supporting disk rotates anticlockwise is arranged between the first supporting disk and the second supporting disk, and a rotating handle is fixed at the edge of the upper end face of the first supporting disk; the firework body tightening device can conveniently stretch the tightening film, so that the tightening film can be conveniently sleeved outside the arranged firework body.

Description

Device for opening tightening film in firework production

Technical Field

The invention relates to the technical field of firework production devices, in particular to a device for expanding a tightening film in firework production.

Background

At present, in the fireworks production process, in order to conveniently pack gunpowder into the fireworks body, need to bind tightly a plurality of fireworks bodies through the lock ring membrane, specific way is arranging a plurality of fireworks bodies the back, fix in advance through the note, then with the lock ring membrane suit outside the fireworks body after arranging well, but, at present with the lock ring membrane suit outside the fireworks body after arranging well the process outside the fireworks body is accomplished through the manual work, because the lock ring membrane is bound tightly outside the fireworks body after arranging well through elasticity, the lock ring membrane does not bind tightly when arranging well the fireworks body outside, the internal diameter of lock ring membrane is less than the external diameter of the fireworks body after arranging well, so, it is difficult to bind tightly the lock ring membrane to the outside of the fireworks body after arranging well.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a device for expanding a tightening film in firework production, which can expand the tightening film, so that the tightening film can be conveniently sleeved outside arranged firework bodies, and convenience can be brought to the firework production.

The device for expanding the hoop film in firework production comprises a first supporting disk and a second supporting disk, wherein supporting legs are fixed at the bottom of the second supporting disk, the first supporting disk is rotatably connected to the second supporting disk, a gap is reserved between the first supporting disk and the second supporting disk, the first supporting disk and the second supporting disk are coaxially arranged, four arc-shaped holes which are uniformly distributed in the circumferential direction are formed in the second supporting disk, a sliding rod is slidably connected in each arc-shaped hole, a long hole which can be respectively used for inserting the upper end of one sliding rod and allowing the sliding rod to slide outwards when the sliding rod slides along the arc-shaped holes is formed in the first supporting disk, each long hole extends in the radial direction of the first supporting disk, each sliding rod is flush with the upper end face of the first supporting disk after being inserted into the long hole, an expansion rod is inserted into the upper end of each sliding rod, an insertion hole into which the lower end part of the expansion rod can be inserted is formed in the upper end of the sliding rod, a driving mechanism for driving the first supporting disc to rotate clockwise is arranged between the first supporting disc and the second supporting disc, a locking mechanism for locking the first supporting disc and the second supporting disc after the first supporting disc rotates anticlockwise is arranged between the first supporting disc and the second supporting disc, the locking mechanism comprises a supporting frame fixed on the side wall of the second supporting disc, a sliding hole is arranged at the upper end of the supporting frame, a sliding block is connected in the sliding hole in a sliding manner, a limiting rod is arranged on the inner end face of the sliding block, the limiting rod movably penetrates through the supporting frame at the bottom of the sliding hole and then extends out of the supporting frame, a blind hole into which the limiting rod can be inserted after the first supporting disc rotates anticlockwise is arranged on the outer peripheral wall of the first supporting disc, an end cover is connected at the outer end part of the sliding hole in a threaded manner, a spring for pushing the sliding block to enable the limiting rod to be inserted into the blind hole is embedded, one end of the pull rod is in threaded connection with the sliding block, the other end of the pull rod extends out of the end cover and is provided with a pull ring, and a rotating handle is fixed at the edge of the upper end face of the first supporting disc.

The device for opening the tightening film in the firework production comprises a first support disc, a second support disc, a rotating shaft, an annular convex edge, a bearing and a fixing device.

The device for opening the tightening film in the firework production comprises a first support plate, a second support plate, a torsion spring, a rotating shaft, an annular convex edge, a first supporting plate, a second supporting plate, a third supporting plate, a fourth supporting plate and a fourth supporting plate.

The device for opening the hoop film in firework production comprises a slide rod, wherein an annular boss used for abutting against the upper end face of a second supporting plate is arranged on the outer wall of the slide rod, the lower end of the slide rod movably penetrates through an arc-shaped hole, extends out of the arc-shaped hole and is in threaded connection with a nut.

The device for expanding the fastening film in the firework production comprises a support, wherein the support is provided with a hole, the hole is provided with a.

The invention relates to a device for opening a tightening film in firework production, wherein an anti-slip sleeve is sleeved outside the upper end of a rotating handle, and a plurality of anti-slip convex ribs distributed along the axial direction of the anti-slip sleeve are arranged on the outer wall of the anti-slip sleeve.

The firework body tightening device can conveniently stretch the tightening film, so that the tightening film can be conveniently sleeved outside the arranged firework body, and convenience can be brought to the production of the firework.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic top view of the second support plate;

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The device for expanding the hoop film in firework production comprises a first supporting disk 1 and a second supporting disk 2, wherein supporting feet 24 are fixed at the bottom of the second supporting disk 2, the first supporting disk 1 is rotatably connected to the second supporting disk 2, a gap is reserved between the first supporting disk 1 and the second supporting disk 2, the first supporting disk 1 and the second supporting disk 2 are coaxially arranged, four arc-shaped holes 21 which are uniformly distributed in the circumferential direction are formed in the second supporting disk 2, a sliding rod 3 is slidably connected in each arc-shaped hole 21, long holes 11 which can be respectively used for inserting the upper end of one sliding rod 3 and allowing the sliding rod 3 to slide outwards when the sliding rod 3 slides along the arc-shaped holes 21 are formed in the first supporting disk 1, each long hole 11 extends along the radial direction of the first supporting disk 1, each sliding rod 3 is flush with the upper end face of the first supporting disk 1 after being inserted into the long hole 11, an expansion rod 4 is inserted in the upper end of each sliding rod 3, the upper end of the sliding rod 3 is provided with a jack 31 for inserting the lower end part of the expansion rod 4, a driving mechanism for driving the first supporting disk 1 to rotate clockwise is arranged between the first supporting disk 1 and the second supporting disk 2, a locking mechanism for locking the first supporting disk 1 and the second supporting disk 2 after the first supporting disk 1 rotates anticlockwise is arranged between the first supporting disk 1 and the second supporting disk 2, the locking mechanism comprises a supporting frame 81 fixed on the side wall of the second supporting disk 2, the upper end of the supporting frame 81 is provided with a sliding hole 811, a sliding block 82 is connected in the sliding hole 811 in a sliding manner, the inner end face of the sliding block 82 is provided with a limiting rod 821, the limiting rod 821 movably penetrates through the supporting frame 81 at the bottom of the sliding hole 811 and then extends out of the supporting frame 81, the outer peripheral wall of the first supporting disk 1 is provided with a blind hole for inserting the limiting rod 821 after the first supporting disk 1 rotates anticlockwise, the outer end part of the sliding hole 811, a spring 84 used for pushing the sliding block 82 to enable the limiting rod 821 to be inserted into the blind hole is embedded between the end cover 83 and the sliding block 82, a pull rod 85 is movably arranged in the end cover 83 in a penetrating mode, one end of the pull rod 85 is in threaded connection with the sliding block 82, the other end of the pull rod 85 extends out of the end cover 83 and is provided with a pull ring 851, and a rotating handle 9 is fixed at the edge of the upper end face of the first supporting disk 1.

A rotating shaft 12 is arranged in the middle of the lower end face of the first supporting disk 1, an annular convex edge 23 is arranged in the middle of the upper end face of the second supporting disk 2, and a bearing 6 is embedded between the rotating shaft 12 and the annular convex edge 23; by adopting the structure, the first supporting disk can be reliably connected to the second supporting disk in a rotating mode.

A torsion spring 7 for driving the first supporting disk 1 to rotate clockwise is arranged between the first supporting disk 1 and the second supporting disk 2, the torsion spring 7 is coaxially sleeved outside the rotating shaft 12 and the annular convex edge 23, one end of the torsion spring 7 is fixed with the lower end face of the first supporting disk 1, and the other end of the torsion spring 7 is fixed with the upper end face of the second supporting disk 2; through the setting of torsional spring, when locking mechanism unlocks first supporting disk and second supporting disk, first supporting disk can rotate towards clockwise and reset under the effect of torsional spring.

An annular boss 32 which is used for abutting against the upper end face of the second supporting disk 2 is arranged on the outer wall of the sliding rod 3, the lower end of the sliding rod 3 movably penetrates through the arc-shaped hole 21, then extends out of the arc-shaped hole 21 and is in threaded connection with a nut 33; after adopting this kind of structure, the slide bar can slide in the arc hole reliably, does not have the screw thread on being located the outer wall of the slide bar in the arc hole, so, can avoid the nut to screw up too tightly and can't make the slide bar slide in the arc hole, when screwing up the nut, must guarantee that the slide bar can slide in the arc hole.

The outer wall of the lower end of the expansion rod 4 is provided with an annular guide surface 41 which can be matched with the inner wall of the insertion hole 31 for guiding so as to facilitate the insertion of the expansion rod 4 into the insertion hole 31; through the setting of annular guiding surface, at the in-process that the expansion rod inserted the jack, annular guiding surface can lead with the inner wall cooperation of jack so that the inserted bar inserts in the jack.

An anti-skid sleeve 91 is sleeved outside the upper end of the rotating handle 9, and a plurality of anti-skid convex ribs 911 distributed along the axial direction of the anti-skid sleeve 91 are arranged on the outer wall of the anti-skid sleeve 91; through the arrangement of the anti-skidding convex ribs on the outer walls of the anti-skidding sleeve and the anti-skidding sleeve, when the rotating handle is held by a hand, the phenomenon of skidding between the hand and the rotating handle can be avoided.

When the firework support plate is used, the first support plate is firstly rotated clockwise in place under the action of the torsion spring, then the tightening film is sleeved outside the four expansion rods, the antiskid sleeve is held by a hand and the first support plate is rotated anticlockwise, after the first support plate is rotated anticlockwise in place, the limiting rod on the sliding block is inserted into the blind hole in the first support plate under the action of the spring, the first support plate and the second support plate are locked, at the moment, the sliding rod can slide in the arc-shaped hole and the long hole, the sliding rod can drive the expansion rod to move outwards, the expansion rod can drive the tightening film to expand outwards, then the arranged firework body is placed into the expanded tightening film, the pull ring is pulled outwards to enable the limiting rod to be separated from the blind hole, at the moment, the torsion spring can drive the first support plate to rotate clockwise, after the rotary plate is rotated clockwise in place, the expansion rod is pulled out of the sliding rod, thus, the expansion rod can release the support of the fastening film, and the fastening film can be sleeved outside the arranged firework body.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a device that is used for strutting tight hoop membrane in fireworks production which characterized in that: including first supporting disk (1) and second supporting disk (2), the bottom of second supporting disk (2) is fixed with supporting legs (24), first supporting disk (1) rotationally connect on second supporting disk (2) and with second supporting disk (2) between leave the clearance, first supporting disk (1) and second supporting disk (2) coaxial setting, be provided with four arc hole (21) that are circumference evenly distributed in second supporting disk (2), all slidable is connected with slide bar (3) in every arc hole (21), be provided with respectively in first supporting disk (1) and supply the upper end of one of them slide bar (3) to insert and can supply slide bar (3) outside gliding long hole (11) when slide bar (3) slide along arc hole (21), every long hole (11) all extend along the radial direction of first supporting disk (1), each sliding rod (3) is inserted into the elongated hole (11) and then is flushed with the upper end face of the first supporting disk (1), an expansion rod (4) is inserted into the upper end of each sliding rod (3), a jack (31) for inserting the lower end part of the expansion rod (4) is arranged at the upper end of each sliding rod (3), a driving mechanism for driving the first supporting disk (1) to rotate clockwise is arranged between the first supporting disk (1) and the second supporting disk (2), a locking mechanism for locking the first supporting disk (1) and the second supporting disk (2) after the first supporting disk (1) rotates anticlockwise is arranged between the first supporting disk (1) and the second supporting disk (2), the locking mechanism comprises a supporting frame (81) fixed on the side wall of the second supporting disk (2), a sliding hole (811) is arranged at the upper end of the supporting frame (81), and a sliding block (82) is connected in the sliding hole (811) in a sliding manner, a limiting rod (821) is arranged on the inner end surface of the sliding block (82), the limiting rod (821) movably penetrates through the supporting frame (81) at the bottom of the sliding hole (811) and then extends out of the supporting frame (81), the outer peripheral wall of the first supporting disk (1) is provided with a blind hole into which the limiting rod (821) can be inserted after the first supporting disk (1) rotates anticlockwise, an end cover (83) is connected to the outer end of the sliding hole (811) in a threaded manner, a spring (84) used for pushing the sliding block (82) to enable the limiting rod (821) to be inserted into the blind hole is embedded between the end cover (83) and the sliding block (82), a pull rod (85) is movably arranged in the end cover (83) in a penetrating way, one end of the pull rod (85) is connected with the slide block (82) in a threaded way, the other end of the pull rod (85) extends out of the end cover (83) and is provided with a pull ring (851), a rotating handle (9) is fixed at the edge of the upper end surface of the first supporting disc (1); a rotating shaft (12) is arranged in the middle of the lower end face of the first supporting disk (1), an annular convex edge (23) is arranged in the middle of the upper end face of the second supporting disk (2), and a bearing (6) is embedded between the rotating shaft (12) and the annular convex edge (23); be provided with between first supporting disk (1) and second supporting disk (2) and be used for driving clockwise pivoted torsional spring (7) of first supporting disk (1), the coaxial cover of torsional spring (7) is established in pivot (12) and annular chimb (23) outside, torsional spring (7) one end is fixed with the lower terminal surface of first supporting disk (1), and the other end is fixed with the up end of second supporting disk (2).

2. The device for expanding the hoop tensioning membrane in firework production according to claim 1, wherein an annular boss (32) used for abutting against the upper end face of the second supporting plate (2) is arranged on the outer wall of the sliding rod (3), and the lower end of the sliding rod (3) movably penetrates through the arc-shaped hole (21), extends out of the arc-shaped hole (21) and is in threaded connection with a nut (33).

3. Device for spreading the grip membrane in fireworks production according to claim 1, characterized in that the outer wall of the lower end of the expansion rod (4) is provided with a ring-shaped guide surface (41) which can be guided in cooperation with the inner wall of the insertion hole (31) to facilitate the insertion of the expansion rod (4) into the insertion hole (31).

4. The device for expanding the tightening film in firework production according to claim 1, wherein an anti-slip sleeve (91) is sleeved outside the upper end of the rotating handle (9), and a plurality of anti-slip ribs (911) are arranged on the outer wall of the anti-slip sleeve (91) and distributed along the axial direction of the anti-slip sleeve (91).