CN209022468U - A kind of ear muff high-frequency heat sealing machine - Google Patents

Abstract

The utility model relates to ear muff production technical fields, more specifically, it is related to a kind of ear muff high-frequency heat sealing machine, its key points of the technical solution are that: including rack, the oil cylinder that is vertically arranged to rack, the fixed plate for being installed on oil cylinder output shaft, the thermal head that fixed plate bottom is arranged and the workbench below thermal head, the upper surface of workbench is equipped with accommodation groove, mold is equipped in accommodation groove, mold is located at the underface of thermal head, mold include bottom plate, be mounted on plate upper surface in the bottom cylinder of sleeve-shaped and for covering the cover board in bottom cylinder upper end；The upper end of bottom cylinder is equipped with multiple locating rods for the through-hole on annular ring and musculus cutaneus around bottom cylinder axis distribution, the diameter of cover board is identical as the diameter of bottom cylinder, cover board is equipped with the location hole mating with locating rod, and workbench is equipped with the positioning component for sealed reconciliation mode locking tool.The heat-sealing machine has the effect of improving annular ring and the hot-forming qualification rate of musculus cutaneus.

Description

A kind of ear muff high-frequency heat sealing machine

Technical field

The utility model relates to ear muff production technical fields, more specifically, it relates to a kind of ear muff high-frequency heat sealing machine.

Background technique

Headphone has many advantages, such as that comfort level is high, sound field is good, is avoided that ear canal scratch and the extensive happiness by people Love.Headphone mainly includes headband and the earpiece at headband both ends, has ear muff in earpiece, is mainly improved wearing The effect of comfort.

Ear muff is hot-forming by multilayer material, is placed in a circular bottom plate including by an annular ring, then by one A circular musculus cutaneus pressure on the annular rings, then covers a circular cover, is then placed under hot press, carried out by thermal head Hot pressing makes annular ring and musculus cutaneus in outer edge hot synthetic type.

However, the prior art, during heat seal, thermal head is easy to move cover board when compressing cover board and bottom plate, And then the case where making annular ring and musculus cutaneus be easy to happen dislocation, cause the junction of annular ring and musculus cutaneus heat seal inaccurate, makes ring Shape circle and the hot-forming qualification rate of musculus cutaneus reduce, and need to improve.

Utility model content

In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of ear muff high-frequency heat sealing machine, the heat-sealing machines Have the effect of improving annular ring and the hot-forming qualification rate of musculus cutaneus.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of ear muff high frequency heat seal Machine, including rack, the oil cylinder that is vertically arranged to rack, the fixed plate for being installed on oil cylinder output shaft, the heat that fixed plate bottom is arranged Pressure head and the workbench below thermal head, the upper surface of the workbench are equipped with accommodation groove, accommodating in the accommodation groove Have a mold, the mold is located at the underface of the thermal head, the mold include bottom plate, be mounted on plate upper surface in set Tubular bottom cylinder and for cover bottom cylinder upper end cover board；The upper end of the bottom cylinder is equipped with multiple use around bottom cylinder axis distribution Identical as the diameter of bottom cylinder in the diameter of the locating rod of the through-hole on annular ring and musculus cutaneus, the cover board, the cover board is equipped with The mating location hole with locating rod, the workbench are equipped with the positioning component for sealed reconciliation mode locking tool.

By using above-mentioned technical proposal, annular ring and musculus cutaneus are successively placed on the cylinder of bottom, and cover cover board, then by mould Tool is placed in accommodation groove, is fixed by positioning component to mold, is enabled mold accurately be located at the underface of thermal head, make Thermal head over there the outer edge of skin and annular ring carry out hot synthetic type during mold be not susceptible to deviate；Meanwhile it is fixed Position bar is not susceptible to annular so that musculus cutaneus and annular ring be made steadily to be aligned through corresponding through-hole on annular ring and musculus cutaneus The case where circle and musculus cutaneus dislocation, keep the accuracy of annular ring and musculus cutaneus heat seal junction higher, improves annular ring and musculus cutaneus heat Molded qualification rate.

Preferably, the upper surface of the fixed plate is equipped with two guide rods being parallel to each other along the vertical direction, leads described in two Bar is located at oil cylinder output shaft two sides, and two guide rods, which slide, is connected to the rack.

By using above-mentioned technical proposal, guide rod plays good guiding role to the movement of fixed plate vertical direction, Improve the mobile stability of fixed plate.

Preferably, the positioning component includes the locating slot for being set to the opposite two side walls of the bottom plate, is set to work The sliding block that a pair of of the sliding slot and sliding for making platform upper surface are connected in sliding slot, one end of the sliding slot are closed end, the other end Opening is arranged and is connected with the accommodation groove, and the open end that the sliding block stretches out sliding slot can be mating with the locating slot, The sliding block is provided with the shifting block for being raised in worktable upper surface, and the open end of the sliding slot is provided with for stopping sliding block to be deviate from The block of sliding slot.

By using above-mentioned technical proposal, when installation mold, shifting block is first passed through by two sliding blocks respectively to corresponding sliding slot Closed end sliding, when two sliding blocks slide into corresponding sliding slot completely respectively, mold can be placed in accommodation groove, when After sliding slot is aligned with locating slot, shifting block is stirred, makes that two sliding blocks are slided to corresponding locating slot and grafting enters corresponding locating slot It is interior, by the mating of sliding block and locating slot, the movement of mold up and down direction is limited, so that mold is fixedly mounted on appearance It sets in slot；When dismantling mold, shifting block only need to be stirred, so that sliding block slides into sliding slot, and then extracts mold.

Preferably, spring is fixedly connected between the sliding block and the closed end of sliding slot, the spring is in the raw When, the open end of the sliding block stretching sliding slot is simultaneously mating with the locating slot.

By using above-mentioned technical proposal, when installation mold, shifting block is first passed through by two sliding blocks respectively to corresponding sliding slot Closed end sliding, make sliding block compressed spring, when two sliding blocks slide into corresponding sliding slot completely respectively, mold can be put It sets in accommodation groove, when the locating slot of end and sidewall of the bottom plate of the sliding block far from spring aligns, then unclamps shifting block, utilize bullet The elastic-restoring force of spring acts on, and sliding block can slide automatically and grafting enters in corresponding locating slot, and raising mold is fixed secured Property.

Preferably, the sliding block is set as inclined surface, envelope of the inclined surface from sliding slot far from the end upper surface of spring Closed end is tilted down to the open end of sliding slot.

By using above-mentioned technical proposal, in installation mold without sliding corresponding cunning to the closed end of two sliding slots The inclined surface of block, sliding block slides sliding block from the closed end of the corresponding sliding slot of trend under the pressing effect of bottom plate, and then makes mould The fixed installation of tool is more convenient.

Preferably, the lower surface of the cover board is equipped with protrusion, and the upper surface of the bottom cylinder is provided with a ring annular groove, described Protrusion is engaged by clamping with annular groove.

By using above-mentioned technical proposal, the clamping engagement of protrusion and annular groove is so that cover board and bottom cylinder abut and more step up It is close.

Preferably, the cover board is annular slab, and the upper surface of the cover board is covered with the top cylinder in sleeve-shaped.

By using above-mentioned technical proposal, pushing up cylinder makes to keep more suitable safe distance between thermal head and cover board.

Preferably, the locating rod is plastic bar.

By using above-mentioned technical proposal, make to be less susceptible to glue on the securing lever after musculus cutaneus and annular ring are heated.

In conclusion the utility model has the following beneficial effects:

1, annular ring and musculus cutaneus are successively placed on the cylinder of bottom, and cover cover board, then mold is placed in accommodation groove, led to Cross positioning component mold is fixed, mold enabled accurately to be located at the underface of thermal head so that thermal head over there skin and Mold is not susceptible to deviate during the outer edge of annular ring carries out hot synthetic type；

2, locating rod corresponding through-hole on annular ring and musculus cutaneus, so that it is aligned musculus cutaneus and annular ring steadily, The case where being not susceptible to annular ring and musculus cutaneus dislocation, keeps the accuracy of annular ring and musculus cutaneus heat seal junction higher, improves ring Shape circle and the hot-forming qualification rate of musculus cutaneus.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the assembly relation schematic diagram of mold and workbench in the utility model embodiment；

Fig. 3 is the utility model embodiment cover plate and bottom wound packages with relation schematic diagram；

Fig. 4 is the schematic diagram of internal structure after the utility model embodiment middle sleeve is splitted；

Fig. 5 is the partial sectional view of mold and workbench connection structure in the utility model embodiment；

Fig. 6 is the enlarged drawing of part A in Fig. 5.

In figure: 1, rack；2, oil cylinder；3, fixed plate；4, thermal head；5, workbench；6, accommodation groove；71, bottom plate；72, bottom Cylinder；73, cover board；74, cylinder is pushed up；81, sleeve；82, inserted link；83, block is abutted；91, locating slot；92, sliding slot；93, sliding block；10, fixed Position bar；11, location hole；12, raised；13, annular groove；14, tension spring；15, resilient rubbber cushion；16, handle；17, guide post；18, Adjusting screw rod；19, guide rod；20, shifting block；21, block；22, spring.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of ear muff high-frequency heat sealing machine, referring to Fig.1, oil cylinder 2, water including rack 1, the top for being vertically arranged to rack 1 Safety loaded on 2 output shaft end of oil cylinder rectangle tabular fixed plate 3, be fixedly mounted on the thermal head 4 of 3 bottom of fixed plate with And the workbench 5 positioned at 3 lower section of fixed plate, fixed plate 3 are located at the lower section of oil cylinder 2.Specifically, fixed plate 3 is set in setting direction Two pieces are equipped with, and two fixed plates 3 are parallel to each other, four adjusting screw rods 18, four tune are separately installed between two fixed plates 3 Section screw rod 18 is located at four angles of fixed plate 3.

Meanwhile the upper surface of fixed plate 3 is provided with two guide rods being parallel to each other 19 along the vertical direction, two guide rods 19 divide Not Wei Yu 2 output shaft of oil cylinder two sides, and two guide rods 19 slide and are connected to rack 1.Guide rod 19 is to 3 vertical direction of fixed plate Movement play good guiding role, improve the mobile stability of fixed plate 3.

Referring to Figures 1 and 2, the upper surface of workbench 5 offers accommodation groove 6, and mold, and mold are equipped in accommodation groove 6 Positioned at the underface of thermal head 4.

Specifically, mold includes the bottom plate 71 of rectangular plate, is fixedly mounted on 71 upper surface of bottom plate referring to Fig. 2 and Fig. 3 Cylindrical bottom cylinder 72 and the cover board 73 for covering in bottom 72 upper ends of cylinder；Cover board 73 is annular slab, and the upper end of bottom cylinder 72 is solid Dingan County equipped with it is multiple around bottom cylinder 72 axis distribution for the locating rods 10 through through-hole on annular ring and musculus cutaneus, cover board 73 it is straight Diameter is identical as the diameter of bottom cylinder 72, and cover board 73 offers the location hole 11 mating with locating rod 10.

In addition, being equipped with the positioning component for sealed reconciliation mode locking tool on workbench 5.Annular ring and musculus cutaneus are successively put On bottom cylinder 72, and cover board 73 is covered, then mold is placed in accommodation groove 6, mold is fixed by positioning component, Mold is enabled accurately to be located at the underface of thermal head 4, so that the outer edge of skin and annular ring carries out thermal synthesis to thermal head 4 over there Mold is not susceptible to deviate during type.

Meanwhile the corresponding through-hole on annular ring and musculus cutaneus of locating rod 10, to make musculus cutaneus and annular ring steadily The case where being aligned, being not susceptible to annular ring and musculus cutaneus dislocation, keeps the accuracy of annular ring and musculus cutaneus heat seal junction higher, improves Annular ring and the hot-forming qualification rate of musculus cutaneus.

Referring to Fig. 3 and Fig. 4, the lower surface of cover board 73 is welded with a circle protrusion 12, and the upper surface of bottom cylinder 72 offers a circle Annular groove 13, annular groove 13 are located within locating rod 10, and protrusion 12 is engaged by clamping with annular groove 13.Protrusion 12 and annular groove 13 It is engaged by clamping so that cover board 73 and 72 abutting of bottom cylinder are even closer.

Meanwhile the upper surface of cover board 73 is covered with cylindrical top cylinder 74, pushes up the axis of cylinder 74 and the axis of cover board 73 It is identical.Top cylinder 74 makes to keep more suitable safe distance between thermal head 4 and cover board 73.Meanwhile locating rod 10 is plastic bar, is made It is less susceptible to be sticked in locating rod 10 after musculus cutaneus and annular ring are heated.

In addition, the upper surface of bottom plate 71 is equipped with the abutting component for pushing against cover board 73.In the present embodiment, abutting group Part is provided with two groups, and two groups of abutting components are symmetric along the axis direction of bottom cylinder 72.Symmetrically arranged abutting component pair Cover board 73 carries out pushing against the uniformity for improving 73 stress of cover board, so that the fixed stability of cover board 73 is further improved, Heat seal process cover plate 73 is not susceptible to deviate.

Referring to Fig. 3 and Fig. 4, the bottom for abutting block 83 is fixedly installed with resilient rubbber cushion 15.Resilient rubbber cushion 15 has slow Cushioning effect is rushed, the hard contact abutted between block 83 and cover board 73 is reduced, to reduce cover board 73 and abut the abrasion of block 83.

Include the sleeve 81 being welded on bottom plate 71 along the vertical direction, up and down be socketed on specifically, abutting component The inserted link 82 of cylinder 81 and the abutting block 83 for being welded on 82 top of inserted link, and abut block 83 and connect T-shaped setting with inserted link 82；Together When, be fixedly connected with tension spring 14 between the cylinder bottom of inserted link 82 and sleeve 81, when tension spring 14 in the raw under, abut 83 turns of block The dynamic upper surface that can be butted on cover board 73.

When being successively placed on annular ring and musculus cutaneus on bottom cylinder 72, and cover board 73 is covered, pulls up and abut block 83 and rotate Block 83 is abutted, so that abutting release after block 83 is located at the surface of cover board 73 abuts block 83, abuts block 83 in the reply of tension spring 14 The upper surface of cover board 73 is butted under power effect, cover board 73 is fixed, and makes annular ring and musculus cutaneus in the accuracy of heat seal junction It is higher, improve annular ring and the hot-forming qualification rate of musculus cutaneus.

In addition, the cylinder bottom of sleeve 81 is welded with guide post 17 along the vertical direction, tension spring 14 is socketed in guide post 17.Guiding Column 17 plays the role of good positioning and guiding to tension spring 14, so that abutting block 83, tension spring 14 is not susceptible in the course of rotation Excessive deformation.

Specifically, referring to figure 5 and figure 6, positioning component includes being provided with the opposite two side walls of bottom plate 71 in the horizontal direction On locating slot 91, a pair of of the sliding slot 92 and the sliding block 93 that is connected in sliding slot 92 of sliding that are set to 5 upper surface of workbench, it is sliding One end of slot 92 is closed end, and another end opening is arranged and is connected with accommodation groove 6, and the open end that sliding block 93 stretches out sliding slot 92 can It is mating with locating slot 91；Meanwhile the top of sliding block 93 integrally formed with protrusion 12 in the shifting block 20 of 5 upper surface of workbench, The open end of sliding slot 92 is fixedly installed with the block 21 for stopping sliding block 93 to deviate from sliding slot 92.

When installation mold, first passes through shifting block 20 and slide two sliding blocks 93 to the closed end of corresponding sliding slot 92 respectively, when When two sliding blocks 93 are slid into completely respectively in corresponding sliding slot 92, mold can be placed in accommodation groove 6, when sliding slot 92 and be determined After position slot 91 is aligned, shifting block 20 is stirred, makes that two sliding blocks 93 are slided to corresponding locating slot 91 and grafting enters corresponding locating slot In 91, by the mating of sliding block 93 and locating slot 91, the movement of mold up and down direction is limited, to pacify mold is fixed In accommodation groove 6；When dismantling mold, shifting block 20 only need to be stirred, so that sliding block 93 slides into sliding slot 92, and then mold is extracted and is It can.

In addition, be fixedly connected with spring 22 between sliding block 93 and the closed end of sliding slot 92, when spring 22 in the raw When, the open end of the stretching sliding slot 92 of sliding block 93 is simultaneously mating with locating slot 91.When installation mold, shifting block 20 is first passed through by two Sliding block 93 is slided to the closed end of corresponding sliding slot 92 respectively, makes 93 compressed spring 22 of sliding block, when two sliding blocks 93 are complete respectively When sliding into corresponding sliding slot 92, mold can be placed in accommodation groove 6, when end of the sliding block 93 far from spring 22 and bottom plate The locating slot 91 of 71 side walls aligns, and then unclamps shifting block 20, is acted on using the elastic-restoring force of spring 22, sliding block 93 can be certainly Simultaneously grafting enters in corresponding locating slot 91 for dynamic sliding, improves the fixed fastness of mold.

Referring to Fig. 2 and Fig. 6, sliding block 93 is set as inclined surface far from the end upper surface of spring 22, and inclined surface is from sliding slot 92 Closed end tilted down to the open end of sliding slot 92.It is corresponded in installation mold without being slided to the closed end of two sliding slots 92 Sliding block 93, the inclined surface of sliding block 93 makes sliding block 93 from the closed end of the corresponding sliding slot 92 of trend under the pressing effect of bottom plate 71 Sliding, and then keep the fixed installation of mold more convenient.

Referring to Fig. 3, the upper surface of bottom plate 71 is welded with two handles 16, axis direction pair of two handles 16 along bottom cylinder 72 Title is distributed on bottom plate 71.The setting of handle 16 facilitates staff to move moulds, and improves the convenience of operation.

Total course of work: mold is inserted into accommodation groove 6, and the inclined surface of sliding block 93 is pressed when bottom plate 71 moves down, And then sliding block 93 is slided from the closed end of the corresponding sliding slot 92 of trend, when end of the sliding block 93 far from spring 22 and 71 side wall of bottom plate Locating slot 91 align, then unclamp shifting block 20, acted on using the elastic-restoring force of spring 22, sliding block 93 can slide automatically And grafting enters in corresponding locating slot 91.

Then, annular ring and musculus cutaneus are successively placed on bottom cylinder 72, and cover cover board 73, pulled up and abut block 83 and turn It is dynamic to abut block 83, so that abutting release after block 83 is located at the surface of cover board 73 abuts block 83, abut the returning in tension spring 14 of block 83 The upper surface of cover board 73 is butted under multiple power effect, cover board 73 is fixed, so that the outside of thermal head 4 skin and annular ring over there Mold is not susceptible to deviate during edge carries out hot synthetic type.

Above-described embodiment is only the explanation to the utility model, is not limitations of the present invention, this field Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only It will be in the scope of the claims of the utility model all by the protection of Patent Law.

Claims (8)

1. a kind of ear muff high-frequency heat sealing machine, it is characterized in that: including rack (1), the oil cylinder (2) for being vertically arranged to rack (1), installation In the fixed plate (3) of oil cylinder (2) output shaft, the thermal head (4) of setting fixed plate (3) bottom and it is located at below thermal head (4) Workbench (5), the upper surface of the workbench (5) is equipped with accommodation groove (6), is equipped with mold in the accommodation groove (6), described Mold is located at the underface of the thermal head (4), the mold include bottom plate (71), be mounted on bottom plate (71) upper surface in set Cylinder (81) shape bottom cylinder (72) and for cover bottom cylinder (72) upper end cover board (73)；The upper end of the bottom cylinder (72) is equipped with more It is a around bottom cylinder (72) axis distribution for the locating rod (10) through through-hole on annular ring and musculus cutaneus, the cover board (73) it is straight Diameter is identical as the bottom cylinder diameter of (72), and the cover board (73) is equipped with the location hole (11) mating with locating rod (10), described Workbench (5) is equipped with the positioning component for sealed reconciliation mode locking tool.

2. a kind of ear muff high-frequency heat sealing machine according to claim 1, it is characterized in that: the upper surface edge of the fixed plate (3) Vertical direction is equipped with two guide rods (19) being parallel to each other, and two guide rods (19) are located at the oil cylinder (2) output shaft Two sides, two guide rods (19), which slide, is connected to the rack (1).

3. a kind of ear muff high-frequency heat sealing machine according to claim 1, it is characterized in that: the positioning component includes being set to institute State the locating slot (91) of the opposite two side walls of bottom plate (71), be set to workbench (5) upper surface a pair of of sliding slot (92) and Slide the sliding block (93) that is connected in sliding slot (92), one end of the sliding slot (92) is closed end, another end opening setting and with The accommodation groove (6) is connected, and the open end that the sliding block (93) stretches out sliding slot (92) can match with the locating slot (91) grafting It closes, the sliding block (93) is provided with raised (12) in the shifting block (20) of workbench (5) upper surface, the open end of the sliding slot (92) It is provided with the block (21) for stopping sliding block (93) abjection sliding slot (92).

4. a kind of ear muff high-frequency heat sealing machine according to claim 3, it is characterized in that: the sliding block (93) and sliding slot (92) Be fixedly connected between closed end spring (22), the spring (22) in the raw when, the sliding block (93) stretches out sliding slot (92) open end is simultaneously mating with the locating slot (91).

5. a kind of ear muff high-frequency heat sealing machine according to claim 4, it is characterized in that: the sliding block (93) is far from spring (22) End upper surface be set as inclined surface, the inclined surface dips down from the closed end of sliding slot (92) to the open end of sliding slot (92) Tiltedly.

6. a kind of ear muff high-frequency heat sealing machine according to claim 1, it is characterized in that: the lower surface of the cover board (73) is equipped with The upper surface of raised (12), the bottom cylinder (72) is provided with a ring annular groove (13), and the protrusion (12) and annular groove (13) are blocked Connect cooperation.

7. a kind of ear muff high-frequency heat sealing machine according to claim 6, it is characterized in that: the cover board (73) is annular slab, institute State cover board (73) upper surface be covered in sleeve (81) shape top cylinder (74).

8. a kind of ear muff high-frequency heat sealing machine according to claim 1, it is characterized in that: the locating rod (10) is plastic bar.