CN212551194U - Tank body edge tightening device - Google Patents

Abstract

The utility model discloses a jar body device that tightens limit has solved turn-up and jar external wall and probably has the clearance, and steam enters into the inside problem that rusts phenomenon that produces of turn-up. The method is characterized in that: including tight limit mould and be used for with jar internal wall complex positioning die, install the support in the frame, install tight limit mould axle on the support, tight limit mould passes through the bearing and installs on tight limit mould axle, install actuating mechanism on the support, actuating mechanism drives tight limit mould and changes between the No. one position of exerting pressure to jar body turn-up and No. two positions that break away from jar body turn-up. The positioning die is attached to the inner wall of the tank body, the driving mechanism drives the edge tightening die to gradually approach the tank body to tightly press the turned edge, the edge tightening die can rotate in the rotating process of the tank body, the friction force between the outer die and the turned edge is reduced, the scratch of the turned edge is reduced, water vapor cannot enter the turned edge after the turned edge is tightly pressed, the tank body can be effectively prevented from rusting, and the quality of the tank body is ensured.

Description

Tank body edge tightening device

Technical Field

The utility model relates to a jar body former technical field, concretely relates to jar body device of pressing from both sides tightly.

Background

The iron can is also called a three-piece can in the industry, and after steel plates are delivered as can steel plates through a surface treatment process, the can steel plates are further subjected to coating and plate cutting processing, and then are welded through a welding machine. Then, the repair coating at the welding part is heated and dried, and is subjected to necking, flanging and bottom cover mounting procedures to form a product; further, after filling the contents and attaching a lid, heat sterilization is performed by retort treatment.

Threaded iron can containers currently on the market are made of metal as a main body, have excellent light-shielding properties and air-permeability resistance for contents, are easy to transport by reclosure, and are lighter than glass bottles, and therefore are highly evaluated and are on the market in large quantities.

The screw thread can material of iron system is tinplate, the steel sheet is through tailorring the back, the section of steel sheet rusts easily, because the last port of the jar body will cooperate with the cover, consequently need handle the section of last port, at present through carrying out the turn-up to jar body last port and handling, make rusty section easily not contact with the external world, but the turn-up is accomplished the back, because turn-up and jar external wall probably have the clearance, in the steam boiling heat sterilization in-process or humid air, steam enters into inside the turn-up, make the section rust, and then influence the quality of the jar body.

SUMMERY OF THE UTILITY MODEL

For solving turn-up and jar external wall and probably having the clearance, steam enters into the inside problem that produces the phenomenon of rustting of turn-up, the utility model provides a jar body tight limit device.

The utility model adopts the technical scheme as follows:

jar body tight limit device, including the frame, still include tight limit mould and be used for with jar internal wall complex positioning die, install the support in the frame, install tight limit mould axle on the support, tight limit mould passes through the bearing and installs on tight limit mould axle, tight limit mould is equipped with and is used for with jar body turn-up complex cambered surface, install actuating mechanism on the support, actuating mechanism drives tight limit mould and changes between a position of exerting pressure to jar body turn-up and a position of two that break away from jar body turn-up.

Preferably: the frame is provided with a rolling shaft, the rolling shaft is connected with a first power device through a first transmission mechanism, and the positioning die is installed on the rolling shaft.

Preferably: the tight limit mould still is equipped with the holding surface that is used for holding the turn-up bottom.

Preferably: the tight limit mould includes tight limit mould and No. two tight limit moulds, the holding surface is including setting up No. two holding surfaces at a holding surface of a tight limit mould and No. two tight limit moulds, a holding surface length is greater than No. two holding surface lengths.

Preferably: the driving mechanism comprises a central shaft, the central shaft is connected with a second power device through a second transmission mechanism, an eccentric shaft is arranged on the central shaft, and the eccentric shaft is a tightening die shaft.

Preferably: the second transmission mechanism is a worm gear and a worm, and the worm gear is arranged on the central shaft.

Preferably: the first transmission mechanism comprises a first gear arranged on the rolling shaft and a second gear arranged on the rack and matched with the first gear.

Preferably: and a third gear is also arranged between the first gear and the second gear.

Preferably: the machine frame comprises an upper machine frame, a lower machine frame and a main shaft, the upper machine frame and the lower machine frame can rotate circumferentially around the main shaft, and the upper machine frame is provided with a plurality of groups of supports and rolling shafts.

Preferably: the frame is provided with a limiting plate for limiting the tank body.

The utility model has the advantages that:

the positioning die is attached to the inner wall of the tank body, the driving mechanism drives the edge tightening die to gradually approach the tank body to tightly press the turned edge, the edge tightening die can rotate in the rotating process of the tank body, the friction force between the outer die and the turned edge is reduced, the scratch of the turned edge is reduced, water vapor cannot enter the turned edge after the turned edge is tightly pressed, the tank body can be effectively prevented from rusting, and the quality of the tank body is ensured.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a schematic view of a portion B of fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic view of the present invention at C in fig. 1.

Fig. 5 is an enlarged schematic view of the present invention at D in fig. 1.

Fig. 6 is an enlarged schematic view of the present invention at E in fig. 5.

Fig. 7 is an enlarged schematic view of the point F in fig. 5 according to the present invention.

The device comprises a rack 1, a support 2, a rolling shaft 3, a side tightening die 4, a first side tightening die 41, a second side tightening die 42, a positioning die 5, an arc surface 6, a driving mechanism 7, a first supporting surface 8, a second supporting surface 9, a side tightening die shaft 10, a central shaft 11, a second transmission mechanism 12, a limiting plate 13, an upper rack 14, a lower rack 15, a main shaft 16, a first transmission mechanism 17, a first gear 171, a second gear 172 and a third gear 173.

Detailed Description

The invention will be further explained with reference to the following embodiments and drawings:

in the embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the can body edge tightening device includes a frame 1, an edge tightening die 4, and a positioning die 5 for engaging with an inner wall of a can body, a support 2 is mounted on the frame 1, an edge tightening die shaft 10 is mounted on the support 2, the edge tightening die 4 is mounted on the edge tightening die shaft 10 through a bearing, the edge tightening die 4 is provided with an arc surface 6 for engaging with a can body edge curl, a driving mechanism 7 is mounted on the support 2, and the driving mechanism 7 drives the edge tightening die 4 to change between a first position for pressing the can body edge curl and a second position for disengaging from the can body edge curl. The positioning die is attached to the inner wall of the tank body, the driving mechanism drives the edge tightening die to gradually approach the tank body to tightly press the turned edge, the edge tightening die can rotate in the rotating process of the tank body, the friction force between the outer die 2 and the turned edge is reduced, the scratch of the turned edge is reduced, water vapor cannot enter the turned edge after the turned edge is tightly pressed, the tank body can be effectively prevented from rusting, and the quality of the tank body is ensured.

In the embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a rolling shaft 3 is provided on the frame 1, the rolling shaft 3 is connected to a first power device through a first transmission mechanism 17, and the positioning mold 5 is mounted on the rolling shaft 3. The rolling shaft 3 can drive the positioning die 5 to rotate circumferentially, and the tight edge die 4 can reduce the friction force between the positioning die 5 and the can body when rolling and tightening the edge, so that the tight edge effect is better, and the edge curling radian of the periphery of the can body is contacted with the tight edge die 4 to obtain the tight edge with uniform radian.

In the embodiment, as shown in fig. 6 and 7, the tight edge die 4 is further provided with a supporting surface for supporting the bottom of the turned edge. In the curling process, the supporting surface can prevent the section from extending downwards, so that the width of the curled edge in the up-and-down direction is controlled, and the width of the curled edge in the up-and-down direction is ensured to be within a set value after the curled edge is pressed.

In an embodiment, as shown in fig. 5, 6, and 7, the edge tightening die 4 includes a first edge tightening die 41 and a second edge tightening die 42, the support surfaces include a first support surface 8 disposed on the first edge tightening die 41 and a second support surface 9 disposed on the second edge tightening die 42, and the length of the first support surface 8 is greater than the length of the second support surface 9. When guaranteeing to compress tightly at every turn, the radius of holding surface overwinding horizontal direction can carry out twice to the turn-up and compress tightly, adopts tight limit mould 41 to carry out preliminary compaction and guarantee turn-up front end slope up gradually to the turn-up for the first time, adopts tight limit mould 42 of No. two to compress tightly once more to the turn-up for the second time, makes turn-up and jar external wall seamless.

In an embodiment, as shown in fig. 4 and 5, the driving mechanism 7 includes a central shaft 11, the central shaft 11 is connected to a second power device through a second transmission mechanism 12, the central shaft 11 is provided with an eccentric shaft, and the eccentric shaft is a tightening die shaft 10; the second transmission mechanism 12 is a worm gear and a worm, and the worm gear is arranged on the central shaft 11. The tight side die shaft 10 is eccentrically arranged on the central shaft 11, the distance between the tight side die 4 and the tank body is adjusted by rotating the central shaft 11, and the structure is simple; no. two power device is the motor, and the motor drives the worm and rotates, and the worm wheel drives center pin 11 and rotates, and worm wheel and worm cooperation transmission is more steady and has self-locking function, and when tight limit mould 4 acted on the jar body, center pin 11 can not take place the rotation phenomenon, guarantees tight limit quality.

In an embodiment, as shown in fig. 1, 2 and 3, the first transmission mechanism 17 includes a first gear 171 mounted on the rolling shaft 3 and a second gear 172 mounted on the frame 1 and engaged with the first gear 171; a third gear 173 is further arranged between the first gear 171 and the second gear 172; the rack 1 comprises an upper rack 14, a lower rack 15 and a main shaft 16, wherein the upper rack 14 and the lower rack 15 can rotate around the main shaft 16 in the circumferential direction, and the upper rack 14 is provided with a plurality of groups of brackets 2 and rolling shafts 3. A power device is the motor, frame 1 still includes the fixing base, main shaft 16 installs on the fixing base, install No. four gears on the fixing base, go up frame 14 and 15 interconnect of lower frame, No. four gears are connected with lower frame 15, the motor drives No. four gear revolve, it rotates with lower frame 15 to go up frame 14, No. two gears 172 are installed on main shaft 16, when going up frame 14 around 15 circumferential direction of main shaft, a gear 171 and No. two gear 172 cooperate, realize the rotation of roll shaft 6, No. three gear 173 is equipped with the tooth of a cogwheel of a gear complex and No. two gear teeth of a cogwheel of No. two gear complexes, be used for changing the rotational speed of roll shaft 3 through the number of teeth difference, multiunit support 2 and roll shaft 3 simultaneous working, and the work efficiency is improved.

In the embodiment, as shown in fig. 1, 3 and 5, the rack 1 is provided with a limiting plate 13 for limiting the tank body. The tank body is positioned, and the tank body is ensured not to deviate.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims (10)

1. Jar body tight limit device, including frame (1), its characterized in that: still include tight limit mould (4) and be used for with jar internal wall complex positioning die (5), install support (2) on frame (1), install tight limit mould axle (10) on support (2), tight limit mould (4) are installed on tight limit mould axle (10) through the bearing, tight limit mould (4) are equipped with and are used for with jar body turn-up complex cambered surface (6), install actuating mechanism (7) on support (2), actuating mechanism (7) drive tight limit mould (4) change between a position of exerting pressure to jar body turn-up and No. two positions that break away from jar body turn-up.

2. A can body seaming apparatus as defined in claim 1, wherein: the rolling shaft (3) is arranged on the rack (1), the rolling shaft (3) is connected with a first power device through a first transmission mechanism (17), and the positioning die (5) is installed on the rolling shaft (3).

3. A can body seaming apparatus as defined in claim 1, wherein: the edge tightening die (4) is also provided with a supporting surface for supporting the bottom of the turned edge.

4. A can body seaming apparatus as defined in claim 3, wherein: tight side forms (4) are including tight side forms (41) and No. two tight side forms (42), the holding surface is including setting up No. two holding surfaces (9) at a holding surface (8) of tight side forms (41) and No. two tight side forms (42), holding surface (8) length is greater than No. two holding surfaces (9) length.

5. A can body seaming apparatus as defined in claim 1, wherein: the driving mechanism (7) comprises a central shaft (11), the central shaft (11) is connected with a second power device through a second transmission mechanism (12), the central shaft (11) is provided with an eccentric shaft, and the eccentric shaft is a tightening die shaft (10).

6. The can body seaming apparatus of claim 5, wherein: the second transmission mechanism (12) is a worm gear and a worm, and the worm gear is arranged on the central shaft (11).

7. A can body seaming apparatus as defined in claim 2, wherein: the first transmission mechanism (17) comprises a first gear (171) arranged on the rolling shaft (3) and a second gear (172) arranged on the frame (1) and matched with the first gear (171).

8. A can body seaming apparatus as defined in claim 7, wherein: a third gear (173) is further arranged between the first gear (171) and the second gear (172).

9. A can body seaming apparatus as defined in claim 1, wherein: frame (1) includes frame (14), undercarriage (15) and main shaft (16), frame (14) and undercarriage (15) can be around main shaft (16) circumferential direction, go up frame (14) and install multiunit support (2) and rolling shaft (3).

10. A can body seaming apparatus as defined in claim 1, wherein: the frame (1) is provided with a limiting plate (13) for limiting the tank body.

Images