Steel plate bending device for refrigeration house manufacturing

Abstract

The utility model provides a steel plate bending device for cold storage manufacturing, which relates to the technical field of cold storage manufacturing devices and comprises a bending table and a high-frequency heater. The bending table is provided with a portal frame and a moving groove, the portal frame stretches across the moving groove, the high-frequency heater comprises a high-frequency heating box and an induction coil connected to the high-frequency heating box, the induction coil is of a flat spiral ring structure, the portal frame is provided with a bending driving mechanism, the bending driving mechanism is connected with a bending head, and the bending head is connected with the high-frequency heater. A bending die holder is arranged under the bending head. The bending device has the beneficial effects that when the bending device works, the induction coil of the high-frequency heater can heat the to-be-bent part of the to-be-bent steel plate, so that the strength of the to-be-bent part of the steel plate is reduced; the bending head can be driven by the bending driving mechanism to downwards press the to-be-bent part of the steel plate; according to the bending device, the bending difficulty of the steel plate for manufacturing the refrigeration house can be reduced, and therefore the requirement for bending pressure of a bending machine in the steel plate bending process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cold storage manufacturing devices, in particular to a steel plate bending device used for cold storage manufacturing. Background Art

[0002] Most of the existing cold storage structures are independent cold storages, that is, after the construction is completed, the cold storage is constructed and installed separately. Independent cold storages are mostly made of insulation wall panels. The insulation wall panels and cold storage doors of the cold storage usually include steel outer structural panels and insulation fillers filled in the outer structural panels. Therefore, a large number of steel plates are required in the manufacturing process of the cold storage, and these steel plates need to be cut, bent and welded. Since the outer structural panels need to bear weight and the cold storage structure needs to be stable, the steel used to manufacture the cold storage wall panels and cold storage doors needs to be thicker. The current general bending machines are usually used to bend thin plates and cannot bend steel of this thickness. The use of large, high-tonnage bending equipment will increase the equipment cost of cold storage manufacturing, and its size is large and cannot meet the needs of on-site construction of some cold storages. Utility Model Content

[0003] In view of this, in order to reduce the difficulty of bending steel plates used in cold storage manufacturing, reduce the equipment cost of cold storage manufacturing and facilitate the on-site construction of cold storage, the utility model provides a steel plate bending device for cold storage manufacturing, including a bending table and a high-frequency heater;

[0004] The bending table is provided with a gantry and a moving groove, the gantry spans the moving groove, the steel plate to be bent is located in the moving groove, and can move along the moving groove;

[0005] The high-frequency heater comprises a high-frequency heating box and an induction coil connected to the high-frequency heating box, wherein the induction coil is a flat spiral ring structure, and the steel plate to be bent can pass through the induction coil;

[0006] The gantry is provided with a bending drive mechanism, which is connected to a bending head. A bending die seat is provided under the bending head. The bending die seat is limited to the bending platform. A bending groove is provided on the bending die seat. The bending drive mechanism is used to drive the bending head to rise and fall to bend the steel plate to be bent.

[0007] Furthermore, the bending drive mechanism includes two hydraulic cylinders, which are vertically arranged on the gantry, and the bending head is connected to the telescopic shafts of the two hydraulic cylinders.

[0008] Furthermore, a lifting connection plate is provided below the gantry, the lifting connection plate is fixedly connected to the telescopic shaft of the hydraulic cylinder, and the bending head is connected below the lifting connection plate.

[0009] Furthermore, a connecting protrusion is provided at the bottom of the lifting connecting plate, and two connecting plates are provided at intervals on the top of the bending head. A connecting groove is formed between the two connecting plates. The connecting protrusion is limited in the connecting groove. A plurality of connecting bolts are also provided on the connecting plate. The connecting bolts pass through the connecting protrusion and the two connecting plates, thereby connecting the bending head to the lifting connecting plate.

[0010] Furthermore, the gantry includes two vertically arranged supporting vertical plates and a connecting horizontal plate connecting the two supporting vertical plates, each supporting vertical plate is provided with a guide groove, and a guide rod is respectively provided at both ends of the lifting connecting plate, and the guide rod is slidably connected to the guide groove.

[0011] Furthermore, a guide roller is provided at the end of each guide rod, and the guide roller is rotatably limited in the guide groove.

[0012] Furthermore, the bending table is provided with a plurality of rotating rollers, and the rotating rollers are rotatably supported in the movable groove.

[0013] Furthermore, a plurality of rotation installation grooves are provided on both sides of the movable groove, and rotation installation shafts are provided at both ends of the rotating roller, and the rotation installation shafts at both ends of the rotating roller are rotatably installed in the rotation installation grooves on both sides of the movable groove.

[0014] Furthermore, the bending groove on the bending die base is a V-shaped groove.

[0015] Furthermore, a die base installation groove is provided in the movable groove of the bending table, and the die base installation groove is located directly below the gantry. A positioning groove is also provided at the bottom of the die base installation groove, and a positioning protrusion is provided at the bottom of the bending die base, and the positioning protrusion is limited in the positioning groove.

[0016] The utility model discloses a steel plate bending device for cold storage manufacturing, and the beneficial effects are as follows: the bending device comprises a bending table and a high-frequency heater; a gantry and a movable slot are arranged on the bending table, the gantry spans the movable slot, the high-frequency heater comprises a high-frequency heating box and an induction coil connected to the high-frequency heating box, the induction coil is a flat spiral ring structure, a bending drive mechanism is arranged on the gantry, the bending drive mechanism is connected to a bending head, and a bending die base is arranged below the bending head. When the bending device is working, the steel plate to be bent moves in the moving groove, passes through the induction coil of the high-frequency heater, and moves to the bottom of the bending head; the induction coil of the high-frequency heater can heat the part to be bent of the steel plate to be bent, reduce the strength of the part to be bent of the steel plate, and improve its plasticity; the bending head can be driven by the bending drive mechanism to press down the part to be bent of the steel plate, press it into the bending groove on the bending die base to bend and deform it. The bending device can reduce the bending difficulty of the steel plate used in cold storage manufacturing, thereby reducing the demand for the bending pressure of the bending machine during the steel plate bending process, thereby reducing the equipment cost of cold storage manufacturing and facilitating the on-site construction of the cold storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a steel plate bending device used for cold storage manufacturing in an embodiment of the utility model;

[0018] Figure 2 yes Figure 1 Sectional view at AA in the middle;

[0019] Figure 3 yes Figure 1 The enlarged view of point B in the middle;

[0020] Figure 4 yes Figure 1 Stereoscopic view of the center bending head;

[0021] Figure 5 yes Figure 1 Schematic diagram of the installation structure of the rotating roller.

[0022] In the figure: 1-bending table, 11-moving groove, 12-rotating installation groove, 2-gantry, 21-guide groove, 3-hydraulic cylinder, 4-bending head, 41-lifting connecting plate, 42-guide rod, 43-guide roller, 44-connecting protrusion, 45-connecting groove, 5-bending die base, 51-bending groove, 52-positioning protrusion, 6-high frequency heating box, 61-induction coil, 7-rotating roller, 71-rotating installation shaft, 8-steel plate to be bent. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the implementation mode of the utility model will be further described below in conjunction with the accompanying drawings.

[0024] Please refer to Figures 1 to 5 The utility model discloses a steel plate bending device for cold storage manufacturing, comprising a bending table 1 and a high-frequency heater.

[0025] The bending table 1 is supported on the ground by supporting legs. A gantry 2 and a moving groove 11 are provided on the bending table 1. The moving groove 11 is a rectangular groove. The gantry 2 includes a connecting horizontal plate and two supporting vertical plates. The two supporting vertical plates are vertically arranged on both sides of the moving groove 11. The two ends of the connecting horizontal plate are connected to the upper ends of the two supporting vertical plates, so that the gantry 2 spans the moving groove 11. The steel plate 8 to be bent is located in the moving groove 11 and can move along the moving groove 11; specifically, a plurality of rotating rollers 7 arranged in parallel are provided in the moving groove 11, and the rotating tube can be rotatably arranged. The steel plate 8 to be bent is supported on the rotating rollers 7 in the moving groove 11, and the rotating rollers 7 enable the steel plate 8 to be bent to move conveniently along the moving groove 11.

[0026] The high-frequency heater includes a high-frequency heating box 6 and an induction coil 61 connected to the high-frequency heating box 6. The induction coil 61 is a long flat spiral ring structure. The high-frequency heating box 6 is located at the edge of the moving groove 11. The induction coil 61 extends into the moving groove 11. The high-frequency heater is used to heat the to-be-bent portion of the steel plate 8 to be bent.

[0027] The gantry 2 is provided with a bending drive mechanism, which is connected to a bending head 4. A bending die base 5 is provided below the bending head 4. The bending die base 5 is limited on the bending platform 1. A bending groove 51 is provided on the bending die base 5. The bending drive mechanism is used to drive the bending head 4 to rise and fall to bend the steel plate 8 to be bent.

[0028] When the bending device is working, the steel plate 8 to be bent moves along the moving groove 11 on the rotating roller 7, and the part to be bent of the steel plate 8 to be bent moves into the induction coil 61. The induction coil 61 heats the part to be bent of the steel plate 8 to be bent, reduces the strength of the part to be bent of the steel plate 8, and increases its plasticity to prevent the steel plate 8 from recovering after bending. After the heating is completed, the steel plate 8 to be bent continues to move, so that the part to be bent moves to the bottom of the bending head 4, and the bending drive mechanism drives the bending head 4 to press down the part to be bent of the steel plate 8 to be bent, and press it into the bending groove 51 on the bending die seat 5, so that it is bent and deformed, thereby completing the steel plate bending process. The bending device can reduce the difficulty of bending steel plates used in cold storage manufacturing, thereby reducing the demand for bending pressure of the bending machine during the steel plate bending process, thereby reducing the equipment cost of cold storage manufacturing and facilitating on-site construction of cold storage.

[0029] The induction coil 61 is configured as a flat spiral ring structure, which can ensure that the steel plate 8 to be bent can pass through the induction coil 61, shorten the distance between the induction coil 61 and the steel plate 8 to be bent, and improve the efficiency of the induction coil 61 in heating the steel plate 8 to be bent. In addition, the induction coil 61 is configured as a flat spiral ring structure so that the induction coil 61 can accurately heat the portion to be bent of the steel plate 8 to be bent (the portion to be bent is a strip-shaped area).

[0030] Preferably, the bending drive mechanism includes two hydraulic cylinders 3, which are vertically arranged on the gantry 2, and the bending head 4 is connected to the telescopic shafts of the two hydraulic cylinders 3. Specifically, a lifting connecting plate 41 is also provided below the gantry 2, and the lifting connecting plate 41 is fixedly connected to the telescopic shaft of the hydraulic cylinder 3, and the bending head 4 is connected below the lifting connecting plate 41. A connecting protrusion 44 is provided at the bottom of the lifting connecting plate 41, and two connecting plates arranged at intervals are provided at the top of the bending head 4, and a connecting groove 45 is formed between the two connecting plates, and the connecting protrusion 44 is limited to the connecting groove 45. A plurality of connecting bolts are also provided on the connecting plate, and the connecting bolts pass through the connecting protrusion 44 and the two connecting plates, so as to connect the bending head 4 to the lifting connecting plate 41. In this embodiment, the bending groove 51 on the bending die base 5 is V-shaped. It can be understood that the bending groove 51 can be set to different groove shapes according to the required bending shape. A die base installation groove is provided in the moving groove 11 of the bending table 1, and the die base installation groove is located directly below the gantry 2. A positioning groove is also provided at the bottom of the die base installation groove. A positioning protrusion 52 is provided at the bottom of the bending die base 5, and the positioning protrusion 52 is limited to the positioning groove.

[0031] In the above structure, the bending head 4 and the bending die base 5 can be easily replaced, which can meet the needs of bending the steel plate into different shapes and at different angles during the cold storage processing.

[0032] More preferably, each supporting vertical plate is provided with a guide groove 21, and the two ends of the lifting connecting plate 41 are respectively provided with a guide rod 42, the guide rod 42 is slidably connected to the guide groove 21, and each guide rod 42 end is provided with a guide roller 43, and the guide roller 43 is rotatably limited in the guide groove 21. The guide rod 42 and the guide groove 21 enable the bending head 4 to vertically press down the steel plate 8 to be bent, thereby improving the bending accuracy.

[0033] Preferably, a plurality of rotating mounting grooves 12 are provided on both sides of the movable groove 11, and the plurality of rotating mounting grooves 12 on both sides of the movable groove 11 are aligned one by one, and a rotating mounting shaft 71 is provided at both ends of the rotating roller 7, and the rotating mounting shafts 71 at both ends of the rotating roller 7 are respectively rotatably installed in the rotating mounting grooves 12 on both sides of the movable groove 11, so that the rotating roller 7 can be rotatably set in the movable groove 11.

[0034] In this document, the directional words such as front, back, top, and bottom are defined by the positions of the components in the drawings and the positions of the components relative to each other, and are only for the sake of clarity and convenience in expressing the technical solution. It should be understood that the use of the directional words should not limit the scope of protection claimed in this application.

[0035] In the absence of conflict, the above embodiments and features in the embodiments may be combined with each other.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel plate bending device for cold storage manufacturing, Features: Includes bending table and high frequency heater; The bending table is provided with a gantry and a moving slot, the gantry spans the moving slot, and the steel plate to be bent can move in the moving slot; The high-frequency heater comprises a high-frequency heating box and an induction coil connected to the high-frequency heating box, wherein the induction coil is a flat spiral ring structure, and the steel plate to be bent can pass through the induction coil; The gantry is provided with a bending drive mechanism, which is connected to a bending head. A bending die seat is provided under the bending head. The bending die seat is limited to the bending platform. A bending groove is provided on the bending die seat. The bending drive mechanism is used to drive the bending head to rise and fall so as to bend the steel plate to be bent.

2. A steel plate bending device for cold storage manufacturing according to claim 1, Features: The bending drive mechanism comprises two hydraulic cylinders, which are vertically arranged on the gantry, and the bending head is connected to the telescopic shafts of the two hydraulic cylinders.

3. A steel plate bending device for cold storage manufacturing according to claim 2, Features: A lifting connection plate is also provided below the gantry, and the lifting connection plate is fixedly connected to the telescopic shaft of the hydraulic cylinder, and the bending head is connected below the lifting connection plate.

4. A steel plate bending device for cold storage manufacturing according to claim 3, Features: A connecting protrusion is provided at the bottom of the lifting connecting plate, and two connecting plates are provided at an interval on the top of the bending head. A connecting groove is formed between the two connecting plates. The connecting protrusion is limited in the connecting groove. A plurality of connecting bolts are also provided on the connecting plate. The connecting bolts pass through the connecting protrusion and the two connecting plates, thereby connecting the bending head to the lifting connecting plate.

5. A steel plate bending device for cold storage manufacturing according to claim 4, Features: The gantry includes two vertically arranged supporting vertical plates and a connecting horizontal plate connecting the two supporting vertical plates. Each supporting vertical plate is provided with a guide groove. Both ends of the lifting connecting plate are respectively provided with a guide rod, and the guide rod is slidably connected to the guide groove.

6. A steel plate bending device for cold storage manufacturing according to claim 5, Features: A guide roller is provided at the end of each guide rod, and the guide roller is rotatably limited in the guide groove.

7. A steel plate bending device for cold storage manufacturing according to claim 1, Features: The bending table is provided with a plurality of rotating rollers, and the rotating rollers are rotatably supported in the moving groove.

8. A steel plate bending device for cold storage manufacturing according to claim 7, Features: A plurality of rotation installation grooves are arranged on both sides of the movable groove, and rotation installation shafts are arranged on both ends of the rotating roller. The rotation installation shafts at both ends of the rotating roller are rotatably installed in the rotation installation grooves on both sides of the movable groove.

9. A steel plate bending device for cold storage manufacturing according to claim 7, Features: The bending groove on the bending die base is a V-shaped groove.

10. A steel plate bending device for cold storage manufacturing according to claim 9, Features: A die base installation groove is provided in the moving groove of the bending table, and the die base installation groove is located directly below the gantry. A positioning groove is also provided at the bottom of the die base installation groove. The bending die base is located in the die base installation groove. A positioning protrusion is provided at the bottom of the bending die base, and the positioning protrusion is limited to the positioning groove.

Images