CN202320890U

CN202320890U - Mold pressing mechanism

Info

Publication number: CN202320890U
Application number: CN2011204757012U
Authority: CN
Inventors: 王玉龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-24
Filing date: 2011-11-24
Publication date: 2012-07-11
Anticipated expiration: 2021-11-24

Abstract

The utility model relates to machinery for wrapping materials, in particular to a mold pressing mechanism for a sealing packer. The mold pressing mechanism comprises an upper pressing plate and a lower pressing plate, wherein the upper pressing plate is connected with a cylinder pushing shaft; the lower pressing plate is of the structure of a box body with the top opened; the lower pressing surface of the lower pressing plate is the external bottom surface of the box body; the upper pressing plate enters a cavity of the box body along an opening at the top part of the lower pressing plate; a stopping part is arranged on the top of the box body along the inner side of the top of the box body, so as to prevent the upper pressing plate from sliding out of the cavity of the box body; and at least a spring is arranged between the upper pressing plate and the inner bottom surface of the box body. The mold pressing mechanism has the advantage of simple and compact structure. In the process of pressing a mold, only wear due to friction between the side surface of the upper pressing plate and the inner side surface of the cavity of the box body is produced, and the contact area between the side surface of the upper pressing plate and the cavity of the box body is large, so that the service life and the security of the mold pressing mechanism are improved.

Description

A kind of press moulding mechanism

(1) technical field

The utility model relates to the machinery of packing materials, particularly a kind of press moulding mechanism of seal packing machine.

(2) background technology

Capper is the machinery with the closing containers that is filled with packing material, after product is packed packing container into, preserves in order to make product be able to sealing, keeps product design, avoids product to run off, and need seal packing container.Because plastics have good heat sealability, this type plastic production commonly used becomes packing container, again at the sealing part direct heating and press, makes itself and stationery or sew and seals.The equipment that sealing part is exerted pressure is pressing plate, and pressing plate is exerted pressure to sealing part under the promotion of pressure cylinder, makes opening part and the stationery or the sew of packing container and seals.Because cause sealing the limit discontinuity not on horizontal surface on the installation of bench board or the ground of place apparatus, seals unsuccessful.

Existing press moulding mechanism comprises: top board, lower platen, bolt, pressure spring.Bolt connects top board and lower platen, pressure spring be enclosed within on the bolt and be in top board and lower platen between, top board is connected with the impeller-hub of cylinder.When pressing down; Lower platen is pressed on the mould, and top board under the effect of cylinder along bolt direction extrusion pressure spring, make the spring force of pressure spring act on lower platen; Lower platen is exerted pressure the mould that is positioned under it is sealed; This moment, pressure spring was flexible different, can under the situation on the horizontal surface, compression face not carried out smooth pressurized at the mould compression face, avoided the limit discontinuity that need seal and sealed unsuccessful.

Though this press moulding mechanism can make mould stressed evenly to a certain extent; Improve the success ratio of sealing; But because top board and lower platen bolt together; In process of production, begin can not to bring into play well because of the existence of bolt the effect of pressure spring, lower platen and horizontal surface angulation are at very narrow range changing.And the hole that equipment is used bolt of a specified duration and cooperated with upper and lower pressing plate becomes greatly because of wearing and tearing, not only made noise but also damaged the stability of pressing plate, shortened service life.

(3) summary of the invention

For addressing the above problem, it is a kind of simple in structure, compact that the utility model provides, and can make to seal to have higher success rate the press moulding mechanism of high life.

For this reason, the utility model adopts following scheme to achieve the above object:

A kind of press moulding mechanism comprises top board, lower platen, and top board links to each other with the cylinder impeller-hub; It is characterized in that: lower platen is open-topped box body structure; The following pressure surface of lower platen is the outer bottom of this box body structure, and top board is along the inner chamber of the open top entering box body of lower platen, and the top of box body is provided with stop part along the inboard; To prevent that top board from skidding off the inner chamber of box body, at least one spring is contained between top board and the box body inner bottom surface.

Above-mentioned a kind of press moulding mechanism is characterized in that: be provided with a pair of mutual cooresponding registration mast on said top board and the box body inner bottom surface at least, the two ends suit of spring above that.

Above-mentioned a kind of press moulding mechanism is characterized in that: said lower platen symmetry dual-side has convexity; Press moulding mechanism also has the pressing plate spare and accessory parts, on the pressing plate spare and accessory parts pit is arranged, and pit cooperates with said convexity makes pressing plate spare and accessory parts and lower platen be assembled into one.

Above-mentioned a kind of press moulding mechanism is characterized in that: also have holding screw that said convexity is pressed in the said pit.

The advantage of the utility model is: this mechanism structure is simple, compact.In the process of pressing mold, only produce the wearing and tearing that receive because of friction between the side of top board and the box body inner chamber medial surface, owing to the area of contact of the side of top board and box body inner chamber is bigger, so the service life of this press moulding mechanism and safety are improved.

(4) description of drawings

Fig. 1 is the overall appearance schematic three dimensional views of the utility model;

Fig. 2 is the birds-eye view of rotating disk;

Fig. 3 is an A-A section-drawing among Fig. 2;

Fig. 4 is the enlarged drawing of A among Fig. 3;

Fig. 5 is a B-B section-drawing among Fig. 2;

Fig. 6 is a cutaway view of press moulding mechanism;

Fig. 7 is the cutaway view that press moulding mechanism installs the pressing plate spare and accessory parts additional;

Fig. 8 is a lifting mechanism assembled state schematic three dimensional views;

Fig. 9 is a lifting mechanism decomposing state schematic three dimensional views;

Figure 10 is the drawing in side sectional elevation of lifting mechanism nip;

Figure 11 is the overall appearance schematic three dimensional views behind the connecting gear protecting sheathing;

Figure 12 is the overall appearance schematic three dimensional views behind the hiding support among Figure 11.

(5) specific embodiment

A kind of seal packing machine shown in Fig. 1 to 12 is provided with a bench board on pedestal 1, this bench board is one and is installed in the round turntable 2 that can horizontally rotate on the pedestal 1 that rotating disk 2 is provided with the anchor clamps 4 that are used for fixing sealing die; The hollow cylinder of using as support 3 is installed on the pedestal 1; Frame 5 is installed on the hollow cylinder 3; 5 of hollow cylinder 3 and frames have lifting mechanism, through the relative distance that lifting mechanism can be regulated frame 5 and rotating disk 2, connecting gear 13 and press moulding mechanism 6 are housed also on the frame 5.

Said hollow cylinder 3 is in the center of rotating disk 2, is connected through antifriction-bearing box between the spigot shaft coaxle of the center shaft of rotating disk 2 and said hollow cylinder 3, hollow cylinder 3 and rotating disk 2, has reduced friction, has improved the service life of equipment.

Be equipped with one on the pedestal 1 near switch 801; Said is that a kind of the need carried out mechanical contact and manipulable position switch with movable parts near switch 801; When object near near the operating distance of the sensitive surface of switch the time; Do not need mechanical contact and apply any pressure to make switch motion, thereby drive interchange or dc electric apparatus or to computer installation control command is provided, present embodiment is selected inductance approach switch (claiming that also eddy current type is near switch) for use.

It is the guide groove 802 of spill along its radial distribution and its cross section that its circumference of rotating disk 2 upper edges is provided with many, and adjacent guide groove 802 can distribute in the circumference equal intervals, or unequal-interval distributes.Being equipped with on each guide groove 802 can be along the slide block 9 of guide groove slip, and slide block 9 is by a round end screw rod 901 and the nut 902 that is mated, and pad 903 and spring 904 are formed, and the nut 902 of screwing is locked at screw rod 901 on the guide groove 802.Slide block 9 radius that disk middle spindle rotates in the stroke upper edge of guide groove 802 changes.When slide block 9 rotates with rotating disk 2; In its rotation period Yu near switch 801, a minor increment is arranged; When the radius of gyration of slide block 9 on rotating disk 2 center shafts of the stroke upper edge of guide groove 802 hour, its with near the minor increment of switch 801 in distance of reaction near switch 801; When the radius of gyration of slide block 9 on rotating disk 2 center shafts of the stroke upper edge of guide groove 802 is maximum, its with near the minor increment of switch 801 outside distance of reaction near switch 801.Rotating disk 2 by chassis 201 with take over a business 202 be combined intos, chassis 201 is a gear, cooperatively interacts with gear 701 on the S. A. that is installed in the buncher 7 on the pedestal 1, drives the rotation of rotating disk 2 through the gear meshing transmission.

Below with four guide grooves, 802 brief description rotating disks near the principle of work under the effect of switch 801 and slide block 9; Be necessary to point out that this is used for the utility model is further specified; Can not be interpreted as the restriction to the utility model protection domain: the angle between the adjacent guide groove 802 is 90 °; When after needing rotating disk 2 to rotate 180 °, accomplishing an action of sealing at every turn; Need be that two slide blocks 9 of 180 ° radially slide to the minimum place of the radius of its rotation along guide groove 802 with adjacent corners this moment only, and tie down screw 901; Two slide blocks 9 radially slide the radius maximum to its rotation along guide groove 802 in addition, and tie down screw 901.Like this whenever slide block 9 is followed dial rotation near the distance of reaction of switch 801 time; Produce signal near switch 801 and send Programmable Logic Controller to; Programmable Logic Controller sends instruction lets buncher 7 quit work, and rotating disk 2 just stops, and does not stop in other position.Realized that so just the rotating disk revolution moves 180 ° of purposes of just stopping, let the product and the pressing mold that are placed on the rotating disk produce, accomplished a cycle of operations.Hence one can see that can freely select the single production cycle, the product of production different model, and use the motor-driven dial rotation, improved production efficiency.

There is a press moulding mechanism 6 top of rotating disk 2, and this press moulding mechanism 6 is installed on the said frame 5 and promotes also relative rotating disk 2 by a cylinder on the frame 5 52 does relative motion up and down.Press moulding mechanism 6 comprises top board 6-1, lower platen 6-2.Top board 6-1 links to each other with cylinder 52 impeller-hubs; Lower platen 6-2 makes open-topped box body structure; The outer bottom that the following pressure surface 6-21 of lower platen 6-2 is this box body structure; Top board 6-1 gets into box body inner chamber 6-22 along the open top of lower platen, and the top of box body is provided with stop part 6-4 along the inboard, skid off box body inner chamber 6-22 to prevent top board 6-1.Top board 6-1 and box body inner bottom surface 6-23 are provided with four couples of mutual cooresponding registration mast 6-5, and each all has a spring 6-6 suit above that to registration mast.When pressing down converted products; Following pressure surface 6-21 is pressed on the mould, and the top board 6-1 spring 6-6 that under the effect of cylinder 52, extrudes makes spring 6-6 produce spring force and acts on lower platen 6-2; Lower platen 6-2 exerts pressure the product that is positioned under it is sealed; This moment, each spring 6-6 was flexible different, can under the situation on the horizontal surface, compression face not carried out smooth pressurized at the mould compression face, avoided the limit discontinuity that need seal and sealed unsuccessful.In this pressing mold process, only produce wearing and tearing because of rubbing and receive between the side of top board 6-1 and the box body inner chamber 6-22 medial surface; And the area of contact of the medial surface of the side of top board and box body inner chamber 6-22 is bigger, so the service life of this pressing mold and safety are improved.Lower platen 6-2 symmetry dual-side has protruding 6-201; Press moulding mechanism 6 also is furnished with the pressing plate spare and accessory parts 6-8 of various sizes; On the pressing plate spare and accessory parts 6-8 pit 6-801 is arranged; Pit 6-801 cooperates with said protruding 6-201 pressing plate spare and accessory parts 6-8 and lower platen 6-2 is combined into one, and can select the pressing plate spare and accessory parts 6-8 of different size that mould is pushed easily as required, produces different size or dissimilar products.On the pressing plate spare and accessory parts 6-8 holding screw 6-802 is arranged, holding screw 6-802 is pressed on the protruding 6-201 of said lower platen 6-2 in the pit 6-801 of pressing plate spare and accessory parts 6-8, and pressing plate spare and accessory parts 6-8 is installed on the lower platen 6-2 more firmly.Said pressing plate spare and accessory parts 6-8 can be the pressing plate of pressing mold effect, also can be the employed mould of sealed product.When these pressing plate spare and accessory parts use as the mould of sealed product, can draw power supply from this press moulding mechanism and directly offer mould, seal some more special product, for example plastic bags.

Be positioned under the press moulding mechanism 6 and place rotating disk 2 belows that two conduction brush are arranged, each said slide block 9 corresponding positive and negative two conductive pole 1008, every conductive pole 1008 pass rotating disk 2 bottom surfaces and expose terminally 1009, and conductive pole 1008 is followed rotating disk 2 and rotated together; When rotating disk 2 stopped, the end 1009 of said two conduction brush and said positive and negative two conductive poles 1008 electrically contacted, and to connect power supply to the mould that is placed on the rotating disk 2, made heating wire energising and heating.Said conduction brush is: the insulation guidepost 1001 that is fixed on the pedestal 1 is arranged under the conductive pole 1008, and guidepost 1001 notches are provided with opening 1002, and spring 1003 is housed in it; One insulcrete 1004 is arranged; The one of which end is hinged with pivot pin 1005 and pedestal 1, and the other end is placed on opening 1002 places of guidepost 1001, and this end is equipped with contact 1006; Under the effect of guidepost 1001 medi-springs 1003, contact 1006 well contacts with said conductive pole 1008 terminal 1009.

Programmable Logic Controller sent a signal and down pressed down by press moulding mechanism 6 this moment; After container closure to be packaged place's fusion, under the effect that press moulding mechanism 6 down presses down, packing container is combined with stationery or plastics; After time through the Programmable Logic Controller setting; Press moulding mechanism 6 is mentioned, and buncher 7 continues action and drive rotating disk 2 to be rotated further, and gets into next step action cycle.

This seal packing machine also is provided with connecting gear 13, and this connecting gear 13 is contained on the said frame 5, and is positioned at the top of rotating disk 2.This connecting gear comprises the support 14 that is installed on the frame 5 and is positioned at bench board top, be connected with vacuum device, be used for the absorbent module 13-2 that sticking is transmitted thing.This moment, said frame 5 linked together through the pivotally attached mode with support 14, and support 14 can rotate around its hinged center shaft.Support 14 is provided with transversal driving mechanism, and this transversal driving mechanism can adopt Rodless cylinder.Rodless cylinder is divided into two kinds of magnetic Rodless cylinder and mechanical contact formula Rodless cylinders, and its principle is to utilize the direct or indirect mode of piston to connect extraneous actuating unit, and makes it follow piston to realize reciprocating cylinder.The great advantage of this cylinder is to save installing space, can greatly save the working space of this seal packing machine, so this seal packing machine adopts magnetic Rodless cylinder 13-3.One group high ferromagnetic permanent magnet ring is installed on magnetic Rodless cylinder 13-3 piston, and magnetic line of force because two groups of magnet ring magnetic are opposite, has very strong suction through thin-walled cylinder barrel and cover another group magnet ring effect outside.When piston is promoted by air pressure in cylinder barrel, then under magnetic action, drive the outer magnet ring cover 13-301 of cylinder barrel and move together.On magnet ring cover 13-301, a vertical cylinder 13-4 is installed.Absorbent module 13-2 is fixed in said vertical cylinder 13-4 piston rod 13-401 lower end, and magnetic Rodless cylinder 13-3 and vertical cylinder 13-4 are provided with near the formula sensor, saidly is connected with Programmable Logic Controller near the formula sensor.Protect the circuit of connecting gear and the drag chain 13-1 of tracheae on the support 14 of this connecting gear in addition; Circuit and tracheae pass through from the inside of drag chain; One of which end 13-101 is fixed on the said support 14, and other end 13-102 is fixed on the magnet ring cover 13-301 of said magnetic Rodless cylinder 13-3.Circuit and tracheae place the inside of drag chain 13-1, play the effect of protection.Support 14 can be around the rotation of hinged center, adjustment absorbent module 13-2 and the relative position that is placed on the workpiece on the rotating disk 2.

The working process of the connecting gear of seal packing machine is following: first swinging mounting 14 makes absorbent module 13-2 to the top of workpiece and be fixed up; Open air valve; The vacuum of vacuum device is connected with absorbent module 13-2, and absorbent module 13-2 will be positioned over rotating disk 2 under the effect of vacuum workpiece picks up; Vertically cylinder 13-4 mentions finished product arrival certain height; Triggering produces a signal near the formula sensor and is sent in the Programmable Logic Controller; Programmable Logic Controller sends instruction lets magnetic Rodless cylinder 13-3 work; When the piston of magnetic Rodless cylinder 13-3 is promoted by air pressure in cylinder barrel, then under magnetic action, drive the outer magnet ring cover 13-301 of cylinder barrel and move together.The workpiece that is adsorbed on absorbent module 13-2 is moved horizontally on the conveyor line or material basket outside the rotating disk 2; Touch another near the formula sensor this moment, and air valve is closed, and absorbent module 13-2 destroys vacuum deflation, and finished product is put down; After the time of setting; Programmable Logic Controller sends instruction lets magnetic Rodless cylinder 13-3 work; The piston of magnetic Rodless cylinder 13-3 is under aerodynamical effect, and drive absorbent module 13-2 is moved horizontally to the finished product top that is placed on the rotating disk 2 and stops; Trigger again be located at vertical cylinder 13-4 near the formula sensor, a process-cycle has so far been accomplished in vertically cylinder 13-4 work and absorbent module 13-2 contacted with finished product.

This seal packing machine also is provided with lifting mechanism, and this lifting mechanism is installed on the said hollow cylinder 3, comprises the frame 5, screw rod 11-3 and the nut 11-4 that are provided with lifting table 11-2.Nut 11-4 is fixed in the hollow cylinder 3 and is in its top; Screw rod 11-3 upper end is equipped with handwheel 11-31; Screw rod 11-3 passes the inner chamber that lifting table 11-2 and nut 11-4 cooperate and enter into hollow cylinder 3, and said lifting table 11-2 is installed on the screw rod 11-3 through two-direction thrust bearing 11-5.Said hollow cylinder 3 outside faces are provided with and axial chute 11-6, and the protruding 11-101 that cooperates with chute 11-6 is arranged on the said frame 5, make frame 5 axially move up and down and can not move radially along hollow cylinder 3.Frame 5 inside are provided with holding part 11-102, and holding part 11-102 encases hollow cylinder 3, have a bottle rigging screw 11-103 to pass and withstand holding part 11-102 from the side of frame 5 to regulate the gap of holding part 11-102 and hollow cylinder 3.

Also have second lifting mechanism be installed in the vertical side plate 11-104 who is connected of said lifting table 11-2 on.This side plate 11-104 is provided with guide-track groove 11-105.Second lifting mechanism comprises: second support, the second frame 12-1, the second screw rod 12-201 and the second two-direction thrust bearing 12-4.Second support is formed by said side plate 11-104 and with the permanent seat 12-3 that extends horizontal positioned from this side plate bottom; The second frame 12-1 cross section is " Qian " shape; Its base plate 12-101 is provided with guide rail 12-102; Guide rail 12-102 is installed among the said guide-track groove 11-105; One second vertical with base plate 12-101 on second frame 12-1 framework lateral plate 12-103 is second lifting table, and second lifting table is provided with screw 12-202; On the second screw rod 12-201 handwheel 12-203 is installed, cooperates, be installed on the described permanent seat 12-3 through the second two-way bearing 12-4 with said screw 12-202.

Be necessary to be pointed out that at this above embodiment only is used for the utility model is further specified; Can not be interpreted as the restriction to the utility model protection domain, the those of ordinary skill in this field can be made some nonessential improvement and adjustment to above embodiment according to the essence of the utility model.

Claims

1. a press moulding mechanism comprises top board, lower platen, and top board links to each other with the cylinder impeller-hub; It is characterized in that: lower platen is open-topped box body structure; The following pressure surface of lower platen is the outer bottom of this box body structure, and top board is along the inner chamber of the open top entering box body of lower platen, and the top of box body is provided with stop part along the inboard; To prevent that top board from skidding off the inner chamber of box body, at least one spring is contained between top board and the box body inner bottom surface.

2. a kind of press moulding mechanism according to claim 1 is characterized in that: be provided with a pair of mutual cooresponding registration mast on said top board and the box body inner bottom surface at least, the two ends suit of spring above that.

3. any press moulding mechanism according to claim 1 and 2 is characterized in that: said lower platen symmetry dual-side has convexity; Press moulding mechanism also has the pressing plate spare and accessory parts, on the pressing plate spare and accessory parts pit is arranged, and pit cooperates with said convexity makes pressing plate spare and accessory parts and lower platen be assembled into one.

4. a kind of press moulding mechanism according to claim 3 is characterized in that: also have holding screw that said convexity is pressed in the said pit.