CN212551195U

CN212551195U - Can body curling device

Info

Publication number: CN212551195U
Application number: CN202021224321.7U
Authority: CN
Inventors: 吴秀毅; 余立
Original assignee: Zhejiang Longwen Precision Equipment Co ltd
Current assignee: Zhejiang Longwen precision equipment Co.,Ltd.
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-19
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a jar body crimping device has solved the low problem of present jar body crimping shaping mode work efficiency. The method is characterized in that: the frame is equipped with the pivot, the pivot is passed through drive mechanism and is connected with power device, the pivot is connected with elevating system, the mould seat is installed in the pivot, the hemming die is installed to mould seat circumference, be equipped with the hemming groove on the hemming die. The rotating shaft drives the hemming die to rotate and descend, so that the hemming groove is matched with the top surface of the tank body and moves circumferentially on the top surface, the top of the tank body is curled, the hemming mode is similar to mold pressing hemming, the axial force is greatly reduced, the requirement on the axial bearing capacity of the tank body is lowered, the tank body is not subjected to the hemming axial force, various attractive appearances can be made, meanwhile, the rotary hemming is not prone to causing the defects of scratching and the like of the tank body, and furthermore, the hemming is performed step by step through different hemming grooves, so that the more smooth hemming with better quality is obtained.

Description

Can body curling device

Technical Field

The utility model relates to a jar body former technical field, concretely relates to jar body crimping device.

Background

The iron can is also called 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 blanking processing and then are welded by 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, and the steel sheet is through tailorring the back, and the section of steel sheet rusts easily, consequently need carry out the turn-up to the upper end of the jar body and handle, makes rusty section easily not contact with the external world, and the turn-up to the jar body in the existing market is through mould stamping forming, and this kind of forming mode productivity is limited, and work efficiency is low, can not satisfy the market demand.

SUMMERY OF THE UTILITY MODEL

For solving the problem that present jar body turn-up forming mode work efficiency is low, the utility model provides a jar body turn-up device.

The utility model adopts the technical scheme as follows:

the tank body curling device comprises a frame, wherein a rotating shaft is connected with a power device through a transmission mechanism, the rotating shaft is connected with a lifting mechanism, a mold seat is installed on the rotating shaft, a curling mold is installed on the mold seat in the circumferential direction, and a curling groove is formed in the curling mold.

The hemming die is obliquely arranged on the die seat.

The hemming die can rotate circumferentially.

And the mould seat is also provided with a positioning mould matched with the inner wall of the tank body, and the positioning mould can rotate circumferentially.

Elevating system including set up in the cam groove of frame and with pivot complex axle sleeve, the axle sleeve be equipped with cam groove complex gyro wheel.

And a limiting plate is arranged on the rack.

The frame is also provided with a pre-flanging die matched with the bottom of the tank body.

The transmission mechanism comprises a first gear installed on the rack and a second gear installed on the rotating shaft and matched with the first gear.

The utility model has the advantages that:

the rotating shaft drives the hemming die to rotate and descend, so that the hemming groove is matched with the top surface of the tank body and moves circumferentially on the top surface, the top of the tank body is curled, the hemming mode is similar to mold pressing hemming, the axial force is greatly reduced, the requirement on the axial bearing capacity of the tank body is lowered, the tank body is not subjected to the hemming axial force, various attractive appearances can be made, meanwhile, the rotary hemming is not prone to causing the defects of scratching and the like of the tank body, and furthermore, the hemming is performed step by step through different hemming grooves, so that the more smooth hemming with better quality is obtained.

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 a schematic view of the hemming die of the present invention.

The device comprises a frame 1, a rotating shaft 2, a die seat 3, a hemming die 4, a hemming groove 5, a positioning die 6, a cam groove 7, a shaft sleeve 8, a limiting plate 9, a pre-flanging die 10, a roller 11, a first gear 12, a second gear 13, a key 14 and a third gear 15.

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 tank body curling device includes a frame 1, the frame 1 is provided with a rotating shaft 2, the rotating shaft 2 is connected with a power device through a transmission mechanism, the rotating shaft 2 is connected with a lifting mechanism, the rotating shaft 2 is provided with a mold base 3, a curling mold 4 is circumferentially installed on the mold base 3, and a curling groove 5 is formed in the curling mold 4. The rotating shaft 2 drives the hemming die 4 to rotate and descend, so that the hemming groove 5 is matched with the top surface of the tank body and moves circumferentially on the top surface, the top of the tank body is curled, the hemming mode is similar to the mold pressing hemming, the axial force is greatly reduced, the requirement on the axial bearing capacity of the tank body is lowered, the tank body is not subjected to the hemming axial force, various attractive appearances can be made, meanwhile, the rotary hemming is not prone to causing the tank body to have defects of scratch and the like, and furthermore, the hemming is performed step by step through different hemming grooves 5, so that the hemming which is smoother and better in quality is obtained.

In the embodiment, as shown in fig. 4 and 5, the hemming die 4 is obliquely installed on the die base 3; the inclination angle of the hemming die 4 to the horizontal is 30 degrees. The optimal inclination angle of the hemming die 4 is 30 degrees, the hemming die 4 is obliquely arranged, so that the axial stress of the tank body can be reduced, the shape interference is reduced, and the tank body cannot be crushed in the descending process of the hemming die 4.

In an embodiment, as shown in fig. 4 and 5, the hemming die 4 may rotate circumferentially. And a bearing is arranged between the hemming die 4 and the die seat 3, so that the contact between the hemming groove 5 and the top surface of the tank body is rolling friction, the friction force is reduced, and the hemming quality is ensured.

In the embodiment, as shown in fig. 3 and 4, a positioning die 6 matched with the inner wall of the tank body is further installed on the die holder 3, and the positioning die 6 can rotate circumferentially. The positioning die 6 is installed on the die holder 3 through a bearing, the positioning die 6 is located in the middle of the die holder 3 to position the tank body, and the circumferential hemming die 4 of the die holder 3 is matched with the top of the tank body.

In an embodiment, as shown in fig. 1 and fig. 2, the lifting mechanism includes a cam groove 7 disposed in the frame 1 and a shaft sleeve 8 engaged with the rotating shaft 2, and the shaft sleeve 8 is provided with a roller 11 engaged with the cam groove 7. A main shaft is arranged on the frame 1, a workpiece provided with a cam groove 7 is fixed on the main shaft, the roller 11 is positioned in the cam groove 7, and the roller 11 moves in the cam groove 7 to enable the rotating shaft 2 to rotate around the circumference of the main shaft to realize the lifting of the rotating shaft 2; of course, the lifting mechanism may be a hydraulic cylinder, an air cylinder or other devices.

In the embodiment, as shown in fig. 1, 2, 3, and 4, a limit plate 9 for limiting the tank body is arranged on the rack 1. The tank body is limited, so that the tank body conveyed by other devices is positioned at a set position, and the positioning of the positioning die 6 is facilitated; after the edge curling is finished, the tank body cannot be driven to ascend when the edge curling die 4 ascends.

In the embodiment, as shown in fig. 1 and 3, a pre-flanging die 10 for matching with the bottom of the tank body is further arranged on the frame 1. The pre-flanging die 10 can also be lifted through the cam groove, so that the bottom of the can body is pre-flanged while the can body is flanged, and the processing procedure of forming the can body is reduced.

The transmission mechanism comprises a first gear 12 arranged on the frame 1 and a second gear 13 arranged on the rotating shaft 2 and matched with the first gear 12. Power device is the motor, and frame 1 includes the frame, the lower carriage, the fixing base and installs the main shaft on the fixing base, goes up the frame and passes through key 14 with the lower carriage and be connected, and No. three gear 15 is installed to the fixing base, and No. three gear 15 is connected with the lower carriage, and No. one gear 12 is installed on the main shaft for the internal gear, and the motor drives No. three gear 15 and rotates, and the lower carriage is rotatory with last frame simultaneously, and pivot 2 is installed in last frame, and No. two gear 13 meshes with the internal gear, drives pivot 2 and rotates.

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

1. Jar body crimping device, including frame (1), its characterized in that: frame (1) is equipped with pivot (2), pivot (2) are connected with power device through drive mechanism, pivot (2) are connected with elevating system, mould seat (3) are installed in pivot (2), hemming die (4) are installed to mould seat (3) circumference, be equipped with hemming groove (5) on hemming die (4).

2. A can body seaming apparatus as defined in claim 1, wherein: the hemming die (4) is obliquely arranged on the die seat (3).

3. A can body seaming apparatus according to claim 2, wherein: the inclination angle of the hemming die (4) to the horizontal is 30 degrees.

4. A can body seaming apparatus as defined in claim 1, wherein: the hemming die (4) can rotate in the circumferential direction.

5. A can body seaming apparatus as defined in claim 1, wherein: still install on mould seat (3) with jar internal wall complex location mould (6), but location mould (6) circumferential direction.

6. A can body seaming apparatus as defined in claim 1, wherein: elevating system is including setting up at cam groove (7) of frame (1) and with pivot (2) complex axle sleeve (8), axle sleeve (8) are equipped with cam groove (7) complex gyro wheel (11).

7. A can body seaming apparatus as defined in claim 1, wherein: and a limiting plate (9) used for limiting the tank body is arranged on the rack (1).

8. A can body seaming apparatus as defined in claim 1, wherein: the frame (1) is also provided with a pre-flanging die (10) matched with the bottom of the tank body.

9. A can body seaming apparatus as defined in claim 1, wherein: the transmission mechanism comprises a first gear (12) arranged on the rack (1) and a second gear (13) arranged on the rotating shaft (2) and matched with the first gear (12).