CN2680447Y

CN2680447Y - Clamping mechanism of hollow blow molding machine

Info

Publication number: CN2680447Y
Application number: CN 200320122998
Authority: CN
Inventors: 刘资丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-30
Filing date: 2003-12-30
Publication date: 2005-02-23
Anticipated expiration: 2013-12-30

Abstract

The utility model provides a clamping mechanism of a hollow blow molding machine, which mainly solves the technical problems of avoiding pollution, etc. Both ends of a guide rod are respectively fixedly provided with a front mold plate and a back mold plate, and the guide rod is also sheathed with an inner mold plate. Both ends of a front connection rod are respectively hinged with the inner mold plate and an electric drive device, and both ends of a back connection rod are respectively hinged with the electric drive device and the back mold plate. The drive device is arranged between the inner mold plate and the back mold plate. The clamping mechanism of the hollow blow molding machine is applied to the hollow blow molding machines which are used in the industries of the food, the cosmetic, the pharmacy, etc.

Description

Hollow molding blow moulding machine clamping

Technical field:

The utility model relates to the used equipment of a kind of blowing moulding, particularly a kind of unlatching, closure or clamping device.

Background technology:

In industries such as food, cosmetics, pharmacy; extensively adopt blow moulding machine packing manufactured goods; existing hollow molding blow moulding machine; the closure of its mould, unlatching are finished by the reciprocating motion of clamping; its motion and power mostly are to adopt hydraulic driving mode; promptly the execution oil cylinder by hydraulic system promotes opening and closing of clamping, but there is following point in hydraulically powered clamping:

The packing of goods such as environmental pollution-food or cosmetics; because relate to the health and safety of the person; cleaning and hygienic requirements to environment are all relatively stricter; and hydraulic system is in running; the leakage of fluid or excessive be common phenomenon; these leakages or excessive fluid can stain equipment and pipeline surface; and easy laying dust; also can make simultaneously ground stain fluid; and it is also relatively more difficult to the removing of these dirts; simultaneously, the volatile matter of leakage or excessive fluid can make the air quality of production site worsen; therefore; at food; in the packing of cosmetics or similar industry, solve the pollution problem that hollow blow molding clamping driving arrangement brings, be subjected to dealer's attention day by day.

The Hydraulic Elements of safeguarding inconvenience-hydraulic-driven clamping mostly are precision components; easily produce fault, the pressure oil of the especially middle and high pressing system of pressure oil very easily causes the leakage failure of Hydraulic Elements or pipe fitting; thereby bigger to the Maintenance of Hydraulic System workload, specification requirement is also higher.

Transmission of power is impacted big-hydraulically powered executive component; have driving, stop characteristics rapidly; thereby clamping caused bigger impact; not only influence the operation of each member of mechanism; the requirement that the packing of food compositions etc. is had accurate operation; difficulty adapts to, thereby may cause the decline of product quality.

The utility model content:

Technical problem to be solved in the utility model is, a kind of improved hollow molding blow moulding machine clamping is provided, and it can keep operating environment not to be subjected to oil contamination, and is easy to maintenance, and mechanism operates steadily.

The technical scheme in the invention for solving the above technical problem is:

One end of clamping guide rod is installed with front template; its other end is installed with rear pattern plate; also be arranged with inner formword on the guide rod; front rod one end is hinged with inner formword; its other end is hinged with electric transmission machanism; back link one end is hinged with electric transmission machanism, and its other end is hinged with rear pattern plate, and electric transmission machanism is arranged between inner formword and the rear pattern plate.But the electric transmission machanism drive link, promotion is preceding, inner formword is closed or it is preceding to spur, inner formword is opened, the closure of realization mould or unlatching.

Electric transmission machanism of the present utility model, fundamentally overcome the problem that oil contamination brings in the hydraulic drive, the packing that make blowing function safety, wholesomely is applied to food, cosmetics or similar industry is made, simultaneously, the member of electrodynamic mechanical type keeps in repair, maintenance is simple and convenient, can reduce maintenance cost, the startup of motor, parking characteristic are steady, the running of favourable moving link.

Description of drawings:

Fig. 1 is the utility model hollow molding blow moulding machine clamping front elevational schematic.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the side view of Fig. 1.

Fig. 4 is the utility model matched moulds state simplified schematic diagram.

Fig. 5 is the utility model die opening state simplified schematic diagram.

The specific embodiment:

With reference to Fig. 1,2,3, hollow molding blow moulding machine clamping is to be installed on the moving-mold mechanism 8, and it includes front template 1, inner formword 2, front rod 3, electric transmission machanism 4, back link 5, guide rod 6 and rear pattern plate 7.

Front template 1, its structure is similar with existing equipment, is installed in an end of guide rod 6 below front template 1, can be with guide rod 6 motions.

Inner formword 2 is positioned at the inboard of front template 1, and its below is installed with guide pin bushing, guide pin bushing is made of oiliness bearing or unlubricated bearing, and inner formword 2 and can move along guide rod 6 on guide pin bushing is slidingly located in guide rod 6, because guide pin bushing does not need oil lubrication, can avoid the operation field greasy dirt to dye; One side of inner formword 2 sets firmly mould, opposite side is hinged on an end of front rod 3, for improving the blowing operation, can on inner formword 2, set firmly a pre-pressing structure, pre-pressing structure is provided with a pair of lug, is embedded the end of front rod 3 between two lugs, and a bearing pin is extended through two lugs and front rod 3 ends, the adjustment respective outer side edges that forms an articulated structure and back link 5 is used.

Front rod 3 is rod-like element, and the one end is articulated in inner formword 2, and the through hole of the other end is set on the vertical axle of electric transmission machanism 4 slides 46, forms another pin joint.

Electric transmission machanism 4 includes motor 41, shaft coupling 42, left socle 43, slide guide rod 44, drive screw 45, slide 46 and right support 47, wherein:

Motor 41 can be AC servomotor, and its shaft extension is connected with drive screw 45 through shaft coupling 42;

Left socle 43 is the support bodys that are installed on the moving-mold mechanism seat board, and left socle 43 middle parts are provided with rolling bearing in order to supporting drive screw 45, and left socle 43 bilateral symmetry are installed with two slide guide rods 44;

Slide guide rod 44 is smooth bodies of rod, but the sliding sleeve slide, and its two ends can be provided with screw thread, in order to be fixed on the left and right support 43,47;

Drive screw 45, the one end connects shaft coupling 42, its two ends are bearing in respectively on the rolling bearing of left and right support 43,47, its stage casing is a thread segment, and the screw of this screw thread and slide 46 can consist of rolling screw pair, sliding spiral pair or static pressure screw pair, because the mold clamping force of clamping is bigger, usually be good with the rolling screw auxiliary driving, drive screw 45 of the present utility model is to adopt multiple thread, and number of starts is 2 to 4, has bigger transmission capacity;

Slide 46 is a rectangular block shape structure, and the center of slide 46 has screw, and the screw-threaded engagement of this screw and drive screw 45 constitutes the screw pair of transferring power; The overhanging body in the both sides of slide 46 is provided with through hole, is installed with guide pin bushing in the through hole, and guide pin bushing is made of oiliness bearing or unlubricated bearing, slide is through the guide pin bushing slide guide rod 44 that is slidingly located in, and can move along slide guide rod 44, because guide pin bushing does not need oil lubrication, can avoid the operation field greasy dirt to dye; The top projection of slide 46 or set firmly the axle that hangs down in addition, the connecting-rod bearing that can 3,5 one ends of sheathed front and rear connecting rods on the axle that hangs down, this bearing material is identical with guide pin bushing;

Right support 47, its structure can be identical with left socle.

Back link 5, it is a rhabodoid, one end is adopted shape, justice shape centre bearer bush is located on the vertical axle of slide 46, forms an articulated structure because and front rod 3 shared an axle that hangs down, and keep front and rear connecting

rods

3,5 coexistence one plane of movement again, justice shape end is a kind of organization plan, also available two vertical axle construction, and back link 5 does not adopt adopted shape end; Back link 5 other ends are articulated in rear pattern plate 7;

Guide rod 6; it is a rhabodoid; one end is fixed in front template 1; the other end is fixed in rear pattern plate 7; guide rod 6 is supported on the mounting of moving-mold mechanism 8, and it is mobile to carry over the fixing axle sleeve (oiliness bearing) of mounting, preceding, the inner formword the 1, the 2nd of guide rod 6 front end settings, the outer moving-mold mechanism 8 of stretching in; be cantilever position, bigger operating space be provided for the operation of clamping.

Rear pattern plate 7, its structure is similar with existing equipment, can be provided with one at hinged back link 5 places and adjust structure, and the distance between, the

inner formword

1,2 preceding to adjust cooperates the hinged pre-pressing structure of front rod 3, to improve the blowing operation.

During operation; with reference to Fig. 4,5; electric transmission machanism 4 promotes front and rear connecting

rods

3,5; current,

back link

3,5 is (Fig. 4) during the position linearly; clamping is in the matched moulds duty; when electric transmission machanism 4 pulling front and rear connecting

rods

3,5, front and rear connecting

rods

3,5 is adopted morpheme (Fig. 5), and clamping is in opening.

Claims

1, a kind of hollow molding blow moulding machine clamping, this mechanism is arranged on the blow moulding machine moving-mold mechanism, and that clamping includes is preceding, interior, rear pattern plate and guide rod, it is characterized in that:

A. an end of guide rod (6) is installed with front template (1), and its other end is installed with rear pattern plate (7), also is arranged with inner formword (2) on the guide rod (6);

B. front rod (3) one ends are hinged with inner formword (2), and its other end is hinged with electric transmission machanism (4);

C. back link (5) one ends are hinged with electric transmission machanism (4), and its other end is hinged with rear pattern plate (7);

D. transmission device (4) is arranged between inner formword (2) and the rear pattern plate (7).

2, clamping according to claim 1; it is characterized in that electric transmission machanism (4) includes motor (41), left and right support (43,47), slide guide rod (44), drive screw (45), slide (46); motor (41) is connected with drive screw (45); the screw engagement of drive screw (45) and slide (46); left and right support (43,47) is installed with slide guide rod (44), and slide guide rod (44) is arranged with slide (46).

3, clamping according to claim 1 and 2 is characterized in that the drive screw (45) of electric transmission machanism (4) and slide (46) screw constitute rolling screw pair, sliding spiral pair or static pressure screw pair.

4, clamping according to claim 1 and 2 is characterized in that having multiple thread on the drive screw (45) of electric transmission machanism (4), and a number of screw thread is 2 to 4, and the screw of slide (46) is identical with the helicitic texture of drive screw (45).