CN115157897A

CN115157897A - Hot riveting head assembly for binding machine

Info

Publication number: CN115157897A
Application number: CN202210731666.9A
Authority: CN
Inventors: 毛玮; 张国岳
Original assignee: Deli Group Co Ltd
Current assignee: Deli Group Co Ltd
Priority date: 2022-06-25
Filing date: 2022-06-25
Publication date: 2022-10-11

Abstract

The invention discloses a hot riveting head assembly for a binding machine, which comprises an outer riveting shell (1), a dustproof cover (2) and a heating assembly (3), wherein the dustproof cover (2) covers the opening end of the outer riveting shell (1), an accommodating cavity is formed between the dustproof cover (2) and the outer riveting shell (1), and the heating assembly (3) is arranged in the accommodating cavity; the holding cavity is internally provided with a holder (4), and the holder (4) is held outside the heating component (3). The hot riveting head assembly is simple in structure and convenient to assemble.

Description

Hot riveting head assembly for binding machine

Technical Field

The invention relates to the technical field of office equipment, in particular to a hot riveting head assembly for a binding machine.

Background

A binding machine is a machine that fixes paper, plastic, leather, and the like with a binding nail, a hot melt, or the like. The product types of the binding machine are classified according to the binding method, and there are a hot-melt type binding machine, a voucher binding machine, a financial binding machine, a punching binding machine, an accounting voucher binding machine, a comb type rubber ring binding machine, an iron ring binding machine, a binding strip binding machine, and the like in the market. The hot-melting binding machine has the advantages of simple operation, high speed, low material consumption cost, exquisite style and the like, and is favored by people. The hot-melting binding machine comprises a punching device, a pipe cutting device, a hot riveting device and the like. The hot riveting head assembly is a part for heating during riveting of the hot melting binding machine, a PTC heating sheet is used as a heating element for heating, two electrode plates which are responsible for conducting a positive electrode and a negative electrode are respectively arranged at two ends of the PTC heating sheet, a hot riveting head is arranged on each electrode plate, and a riveting head sleeve for protecting the hot riveting head is sleeved at the upper end of the hot riveting head. The hot riveting head assembly in the prior art has more parts and is inconvenient to assemble.

Disclosure of Invention

The invention aims to solve the technical problem of providing a hot rivet head assembly for a binding machine, which is simple in structure and convenient to assemble.

The technical scheme of the invention is that the hot rivet head assembly for the binding machine is provided, which comprises an outer rivet shell and a heating assembly, wherein the heating assembly is arranged in an accommodating cavity of the outer rivet shell; the holding cavity is internally provided with a holder which is held outside the heating component.

After adopting the structure, compared with the prior art, the hot rivet head assembly for the binding machine has the following advantages:

because the holder is arranged in the accommodating cavity of the hot rivet head component for the binding machine, the holder is clamped outside the heating component, the assembly can be completed only by assembling the heating component and the holder together, the structure is simple, and the assembly is more convenient; the clamp holder can also firmly clamp the heating assembly, so that the heating assembly can be well contacted, the hot riveting head assembly can normally work, and the service life of the hot riveting head assembly is prolonged.

As the improvement, the riveting device also comprises a dustproof cover, wherein the dustproof cover covers the opening end of the outer riveting shell. After adopting this kind of structure, the shield have dustproof effect.

As an improvement, the holder comprises a holding body, the holding body is hinged on the inner wall of the outer riveting shell, a supporting sheet is arranged at the lower end of the holding body, and an elastic sheet is arranged at the upper end of the holding body; the support sheet is padded at the bottom of the heating assembly, and the elastic sheet is pressed on the top of the heating assembly. After adopting this kind of structure, holder simple structure just can be with heating element centre gripping between backing sheet and the elastic sheet, and it is very convenient to install.

As an improvement, the heating assembly comprises a rivet head seat with an opening at the upper end and a rivet head sleeve, the rivet head sleeve covers the opening end of the rivet head seat, a cavity is formed between the rivet head sleeve and the rivet head seat, and a hot rivet head, an insulating gasket, a first electrode plate, a heating plate and a second electrode plate are sequentially arranged in the cavity from top to bottom. After adopting this kind of structure, separate through insulating gasket between hot die and the first electrode slice, can effectively prevent the electric leakage.

As an improvement, a positioning column is arranged on the inner wall of the bottom of the rivet head seat, through holes are formed in the middle of the hot rivet head, the insulating sheet, the first electrode sheet, the heating sheet and the second electrode sheet, and the hot rivet head, the insulating sheet, the first electrode sheet, the heating sheet and the second electrode sheet are coaxially sleeved outside the positioning column. After adopting this kind of structure, heating element inner structure is simple, and the equipment is convenient.

As an improvement, a shaft sleeve is arranged at the joint of the supporting sheet and the clamping body, a hinged shaft is arranged in the shaft sleeve, and two ends of the hinged shaft are connected to the inner wall of the outer riveting shell. After adopting this kind of structure, holder simple structure, the equipment is convenient.

As an improvement, the upper end of the clamping body is provided with a limiting piece, one end of the limiting piece is connected with the upper end of the clamping piece, and the limiting piece is blocked at the upper side of the rivet head sleeve; the elastic sheet is arranged on the lower side of the limiting sheet, one end of the elastic sheet is connected with the other end of the limiting sheet, and the elastic sheet abuts against the upper surface of the rivet sleeve. After adopting this kind of structure, the elastic sheet can be pressed the rivet head cover, makes contact between inside hot riveting head, insulating piece, first electrode piece, heating plate and the second electrode piece better.

As an improvement, the shape of the joint of the clamping body and the limiting sheet is matched with the shape of the outer wall of the upper end of the rivet head seat; the joint of the clamping body and the limiting sheet leans against the outer side of the upper end of the rivet head seat. After adopting this kind of structure, the structure is compacter, and the installation is more reliable.

As an improvement, the inner wall of the bottom of the outer riveting shell is provided with a bulge, the bulge is padded under the bottom wall of the rivet head seat, and the support sheet is embedded between the bulge and the bottom wall of the rivet head seat. After adopting this kind of structure, the arch has the effect of supporting heating element, and the equipment is more reliable.

As an improvement, the minimum distance between the supporting sheet and the inner wall of the bottom of the outer riveting shell is equal to the height of the protrusion. After adopting this kind of structure, structural design is more reasonable.

As an improvement, the clamping devices are arranged in a plurality and are uniformly distributed in the accommodating cavity. After adopting this kind of structure, the equipment is more stable.

As an improvement, the lower surface of the dustproof cover is provided with a contact ring, and the lower end surface of the contact ring is abutted against the upper surface of the limiting sheet. After adopting this kind of structure, the spacing piece of conflict ring to holder is spacing for the installation is more reliable.

Drawings

Fig. 1 is a schematic perspective view of a hot rivet head assembly for a binding machine according to the present invention.

Fig. 2 is a schematic cross-sectional structural view of the hot rivet head assembly for a bookbinding machine of the present invention.

Fig. 3 is an exploded view of the hot rivet head assembly for a stapler according to the present invention.

Fig. 4 is a schematic diagram a of a partially assembled structure of the hot rivet head assembly for a binding machine according to the present invention.

Fig. 5 is a schematic view B of a partially assembled structure of the hot rivet head assembly for a bookbinding machine according to the present invention.

Fig. 6 is a schematic perspective view of an outer riveting shell of the hot riveting head assembly for a binding machine according to the invention.

Fig. 7 is a schematic view of an exploded configuration of a heating element of the hot rivet head assembly for a stapler of the present invention.

Shown in the figure: 1. the riveting device comprises an outer riveting shell, 101, protrusions, 2, a dust cover, 201, a contact ring, 3, a heating assembly, 4, a clamp, 401, a clamping body, 402, a supporting sheet, 403, a shaft sleeve, 404, a limiting sheet, 405, an elastic sheet, 5, a hinge shaft, 6, a rivet head seat, 601, a positioning column, 7, a rivet head sleeve, 8, a hot riveting head, 9, an insulating gasket, 10, a first electrode plate, 11, a heating sheet, 12 and a second electrode plate.

Detailed Description

In order that the present application may be better understood, various aspects of the present application will be described in greater detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "including," and/or "containing," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 3, the application discloses a hot riveting head assembly for a binding machine, which comprises an outer riveting shell 1, a dust cover 2, a heating assembly 3 and a clamp 4.

Rivet shell 1 outward for circular and upper end be equipped with the opening, the inner wall of riveting shell 1 diapire outward on be equipped with protruding 101, protruding 101 be round platform shape, protruding 101 locate the middle part of the inner wall of riveting shell 1 bottom outward. The holder 4 comprises a holding body 401, a support plate 402 is arranged at the lower end of the holding body 401, and the support plate 402 and the holding body 401 are integrally formed. The connection part of the supporting sheet 402 and the clamping body 401 is provided with a shaft sleeve 403, a hinge shaft 5 is arranged in the shaft sleeve 403, two ends of the hinge shaft 5 are connected to the inner wall of the outer riveting shell 1, and the clamping body 401 can rotate around the hinge shaft 5. The upper end of the clamping body 401 is provided with a limiting sheet 404, one end of the limiting sheet 404 is connected with the upper end of the clamping piece, the lower side of the limiting sheet 404 is provided with an elastic sheet 405, and one end of the elastic sheet 405 is connected with the other end of the limiting sheet 404. The limiting sheet 404, the elastic sheet 405 and the clamping member are integrally formed, the supporting sheet 402 is perpendicular to the clamping body 401, and the limiting sheet 404 is perpendicular to the clamping body 401. The plurality of the clamping devices 4 are arranged, and the plurality of the clamping devices 4 are uniformly distributed in the outer riveting shell 1.

As shown in fig. 4 to 7, the heating assembly 3 includes a rivet head seat 6 and a rivet head sleeve 7, the upper end of the rivet head seat 6 is open, the rivet head sleeve 7 covers the open end of the rivet head seat 6, a cavity is formed between the rivet head sleeve 7 and the rivet head seat 6, and a hot rivet head 8, an insulating spacer 9, a first electrode sheet 10, a heating sheet 11 and a second electrode sheet 12 are sequentially arranged in the cavity from top to bottom. The inner wall of the bottom of the rivet head seat 6 is provided with a positioning column 601, the middle parts of the hot rivet head 8, the insulating sheet, the first electrode sheet 10, the heating sheet 11 and the second electrode sheet 12 are all provided with through holes, and the hot rivet head 8, the insulating sheet, the first electrode sheet 10, the heating sheet 11 and the second electrode sheet 12 are arranged outside the positioning column 601 together with the shaft sleeve 403.

The heating assembly 3 is arranged in the outer riveting shell 1 and clamped between the clamping devices 4. The rivet seat 6 is pressed on the protrusion 101, and the support piece 402 of the holder 4 is embedded between the protrusion 101 and the bottom wall of the rivet seat 6. The minimum distance between the support sheet 402 and the inner wall of the bottom of the outer riveting shell 1 is equal to the height of the protrusion 101, and after the structure is adopted, the support sheet 402 is approximately horizontal, so that the support for the heating assembly 3 is stable. The limiting sheet 404 is blocked at the upper side of the rivet head sleeve 7; the elastic piece 405 is pressed against the upper surface of the rivet head sleeve 7. The shape of the joint of the clamping body 401 and the limiting sheet 404 is matched with the shape of the outer wall of the upper end of the rivet head seat 6; the joint of the clamping body 401 and the limiting sheet 404 leans against the outer side of the upper end of the rivet head seat 6.

The dustproof cover 2 covers the opening end of the outer riveting shell 1, and the dustproof cover 2 is in tight fit with the outer riveting shell 1. The lower surface of the dust cover 2 is provided with a contact ring 201, and the lower end surface of the contact ring 201 is contacted with the upper surface of the limiting sheet 404. The middle part of the dust cover 2 is provided with a through hole, and the upper end of the rivet head sleeve 7 passes through the through hole of the dust cover 2 and is exposed outside the dust cover 2.

Claims

1. A hot riveting head assembly for a binding machine comprises an outer riveting shell (1) and a heating assembly (3), wherein the heating assembly (3) is arranged in an accommodating cavity of the outer riveting shell; the method is characterized in that: the holding cavity is internally provided with a holder (4), and the holder (4) is held outside the heating component (3).

2. The hot rivet head assembly for a bookbinding machine of claim 1, wherein: the outer riveting shell is characterized by further comprising a dustproof cover (2), and the dustproof cover covers the opening end of the outer riveting shell.

3. The hot rivet assembly of claim 2, further comprising: the clamp (4) comprises a clamping body (401), the clamping body (401) is hinged to the inner wall of the outer riveting shell (1), a supporting sheet (402) is arranged at the lower end of the clamping body (401), and an elastic sheet (405) is arranged at the upper end of the clamping body (401); the support sheet (402) is laid on the bottom of the heating assembly (3), and the elastic sheet (405) is pressed on the top of the heating assembly (3).

4. The hot rivet assembly of claim 3, further comprising: the heating assembly (3) comprises a rivet head seat (6) with an opening at the upper end and a rivet head sleeve (7), the rivet head sleeve (7) covers the opening end of the rivet head seat (6), a cavity is formed between the rivet head sleeve (7) and the rivet head seat (6), and a hot rivet head (8), an insulating gasket (9), a first electrode plate (10), a heating plate (11) and a second electrode plate (12) are sequentially arranged in the cavity from top to bottom.

5. The hot rivet assembly for a stapler of claim 4, wherein: the riveting head structure is characterized in that a positioning column (601) is arranged on the inner wall of the bottom of the riveting head seat (6), through holes are formed in the middle parts of the hot riveting head (8), the insulating sheet, the first electrode sheet (10), the heating sheet (11) and the second electrode sheet (12), and the hot riveting head (8), the insulating sheet, the first electrode sheet (10), the heating sheet (11) and the second electrode sheet (12) are arranged outside the positioning column (601) together with a shaft sleeve (403).

6. The hot rivet assembly of claim 4, further comprising: the connection part of the supporting sheet (402) and the clamping body (401) is provided with a shaft sleeve (403), a hinge shaft (5) is arranged in the shaft sleeve (403), and two ends of the hinge shaft (5) are connected to the inner wall of the outer riveting shell (1).

7. The hot rivet assembly of claim 4, further comprising: the upper end of the clamping body (401) is provided with a limiting sheet (404), one end of the limiting sheet (404) is connected with the upper end of the clamping piece, and the limiting sheet (404) is blocked at the upper side of the rivet head sleeve (7); the elastic piece (405) is arranged on the lower side of the limiting piece (404), one end of the elastic piece (405) is connected with the other end of the limiting piece (404), and the elastic piece (405) abuts against the upper surface of the rivet head sleeve (7).

8. The hot rivet assembly of claim 7, further comprising: the shape of the joint of the clamping body (401) and the limiting sheet (404) is matched with the shape of the outer wall of the upper end of the rivet head seat (6); the joint of the clamping body (401) and the limiting sheet (404) leans against the outer side of the upper end of the rivet head seat (6).

9. The hot rivet assembly for a stapler of claim 4, wherein: the inner wall of the bottom of the outer riveting shell (1) is provided with a protrusion (101), the protrusion (101) is padded under the bottom wall of the rivet head seat (6), and the supporting sheet (402) is embedded between the protrusion (101) and the bottom wall of the rivet head seat (6).

10. The hot rivet assembly of claim 9, further comprising: the minimum distance between the support sheet (402) and the inner wall of the bottom of the outer riveting shell (1) is equal to the height of the protrusion (101).

11. The hot rivet assembly for a bookbinding machine of any one of claims 1 to 10, wherein: the plurality of the clamping devices (4) are arranged, and the plurality of the clamping devices (4) are uniformly distributed in the accommodating cavity.

12. The hot rivet assembly of claim 7, further comprising: the lower surface of shield (2) be equipped with conflict ring (201), the lower terminal surface of conflict ring (201) support and be in spacing piece (404) the upper surface on.

13. The hot rivet assembly of claim 7, further comprising: the supporting plate (402) is perpendicular to the clamping body (401), and the limiting plate (404) is perpendicular to the clamping body (401).