Bending device for cabinet metal plate production

Abstract

The utility model belongs to the technical field of cabinet body machining, and particularly relates to a bending device for cabinet body metal plate production, which comprises a rack capable of providing installation positions for all components so as to enable the bending device to operate stably, a bending component capable of loading a plurality of groups of parts with different specifications, which are in contact with a workpiece to be bent, is arranged in the rack, and the bending component is arranged on the rack. And a tool changing assembly capable of limiting the movable range of a part which is in contact with the workpiece and has the corresponding specification in the device is arranged between the rack and the bending assembly. After the switching piece drives the abutting piece to move to the longitudinal position where the bending knife and the knife holder meeting the bending requirement are located, the abutting piece can be integrally in a vertical state through work of the locking piece so as to vertically apply pressure to parts loaded with the corresponding bending knife and the knife holder, and therefore the bending knife and the knife holder can be bent conveniently. Therefore, the heights of the corresponding bending cutter and the cutter holder are changed compared with the original height, and the bending cutter and the cutter holder stably stay in the bending assembly, so that the bending cutter and the cutter holder which can be in contact with a workpiece are prevented from being staggered and deviated in the bending process.

Description

Technical Field

[0001] The utility model belongs to the technical field of cabinet processing, and specifically relates to a bending device for cabinet sheet metal production. Background Art

[0002] Sheet metal mainly refers to the process of comprehensive cold processing (such as cutting, bending and splicing, etc.) on workpieces. It is widely used in the actual processing process. When making metal cabinets, in order to facilitate the splicing and assembly of workpieces, specific cabinet components need to be bent through a bending device to facilitate the normal subsequent processing.

[0003] A Chinese patent document with authorization announcement number CN219944339U discloses a bending device for cabinet sheet metal production, which has a bending knife and a base. The bending knife has a variety of bending heads. The base with a variety of cavities can achieve bending of different sheet metals without replacing the bending knife. The number of times the bending head is disassembled and assembled during bending is reduced, avoiding waste of time, improving production efficiency, and reducing costs.

[0004] However, in the prior art, although the bending device can quickly replace the bending knife for applying pressure to the workpiece and the base for supporting the workpiece of corresponding specifications according to the bending needs, it lacks effective measures to prevent the parts that contact the workpiece from being misaligned or offset. For this reason, a bending device for cabinet sheet metal production is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a bending device for cabinet sheet metal production.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A bending device for cabinet sheet metal production, comprising a frame that can provide installation positions for various components to enable the device to operate stably, a bending assembly that can load multiple groups of parts of different specifications that come into contact with a workpiece to be bent is arranged in the frame, and a tool changing assembly that can limit the movable range of parts of corresponding specifications that come into contact with the workpiece in the device is arranged between the frame and the bending assembly;

[0008] The bending assembly includes a plurality of bending knives capable of contacting and applying pressure to the workpiece, and a matching knife seat capable of contacting and supporting the workpiece is arranged under each bending knife;

[0009] The tool changing assembly includes a bending knife that can meet the bending needs by limiting its own movement, an abutment member that can adjust the movable range of the tool holder, a switching member that can adjust the longitudinal position of the abutment member, and a locking member that can adjust the height of the abutment member.

[0010] Preferably, the switching member comprises a first electric push rod fixedly connected to both sides of the bending assembly, a clamping frame is fixedly connected to the telescopic end of the first electric push rod, and a folding rod is movably connected to the clamping frame.

[0011] Preferably, the abutment member comprises an abutment block fixedly connected to one end of the folding rod, and a connecting rod is movably connected to the abutment block.

[0012] Preferably: the locking member includes a U-shaped guide rail fixedly installed on both sides of the frame, a second electric push rod is fixedly installed in the U-shaped guide rail, a longitudinal movement rod is fixedly connected between the telescopic ends of the second electric push rod, a movable support rod is arranged between the high-position connecting rod and the longitudinal movement rod, and a fixed support rod is arranged between the low-position connecting rod and the longitudinal movement rod.

[0013] Preferably, the locking frame is slidably connected to the folding rod.

[0014] Preferably, the abutment block is rotatably connected to the connecting rod.

[0015] Preferably: the U-shaped guide rail is slidably connected to the longitudinal rod, the longitudinal rod is slidably connected to the movable support rod, and the longitudinal rod is connected to the fixed support rod by threads.

[0016] Preferably, the movable strut and the fixed strut are both rotatably connected to their respective adjacent connecting rods.

[0017] The beneficial effect of the utility model is that after the switching member drives the abutment member to move to the longitudinal position where the bending knife and the tool holder are located which meet the bending requirements, the locking member can make the abutment member be in a vertical state as a whole, so as to apply vertical pressure to the parts loaded with the corresponding bending knife and the tool holder, so that the height of the corresponding bending knife and the tool holder changes compared with the original height and stays stably in the bending assembly, so as to avoid the bending knife and the tool holder which can contact the workpiece from being dislocated and offset during the bending process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0019] Figure 1 It is an isometric structural schematic diagram of a bending device for cabinet sheet metal production described in the utility model;

[0020] Figure 2 It is a schematic diagram of the main structure of a bending device for cabinet sheet metal production described in the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of a frame and bending components of a bending device for cabinet sheet metal production described in the utility model;

[0022] Figure 4The utility model is a schematic diagram of the structure of a tool changing assembly of a bending device for cabinet sheet metal production.

[0023] The following are the descriptions of the reference numerals:

[0024] 1. Frame; 2. Bending assembly; 201. Hydraulic cylinder; 202. Movable frame; 203. Fixed frame; 204. Support rod; 205. Spring; 206. Carrier plate; 207. Bending knife; 208. Knife holder; 3. Knife changing assembly; 301. First electric push rod; 302. Clamping frame; 303. Folding rod; 304. Abutment block; 305. Connecting rod; 306. U-shaped guide rail; 307. Second electric push rod; 308. Longitudinal shift rod; 309. Movable support rod; 310. Fixed support rod. DETAILED DESCRIPTION

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0027] The present invention is further described below by way of embodiments in conjunction with the accompanying drawings.

[0028] like Figure 1-Figure 4As shown, a bending device for cabinet sheet metal production includes a frame 1 that can provide installation positions for various components to enable the device to operate stably, a bending component 2 that can load multiple groups of parts of different specifications that come into contact with the workpiece to be bent is arranged in the frame 1, and a tool changing component 3 that can limit the movable range of parts of corresponding specifications that come into contact with the workpiece in the device is arranged between the frame 1 and the bending component 2.

[0029] In this embodiment: the bending assembly 2 includes a hydraulic cylinder 201 fixedly mounted on the frame 1, the telescopic end of the hydraulic cylinder 201 is fixedly connected to a movable frame 202, a fixed frame 203 fixedly mounted in the frame 1 is arranged below the movable frame 202, support rods 204 are movably connected on both sides of the movable frame 202 and the fixed frame 203, a spring 205 is movably connected to the outer side of the support rod 204, a carrier plate 206 is fixedly connected between one end of the support rod 204 with the same longitudinal position and height, a bending knife 207 is fixedly mounted below the high-position carrier plate 206, and a knife seat 208 is fixedly mounted above the low-position carrier plate 206;

[0030] The movable frame 202, the fixed frame 203, and the spring 205 are all slidably connected to the respective supporting rods 204, and the matching bending knife 207 and the knife seat 208 are respectively installed on the carrier plates 206 with the same longitudinal position and different heights;

[0031] The movable frame 202 is driven to rise and fall in the device by the hydraulic cylinder 201, and the carrier plate 206 on which the bending knife 207 and the knife holder 208 are installed is respectively accommodated by the movable frame 202 and the fixed frame 203, and the unused bending knife 207 and the knife holder 208 are retained inside the movable frame 202 or the fixed frame 203. The carrier plate 206 is installed by the support rod 204 and can be raised and lowered a certain distance relative to the movable frame 202 or the fixed frame 203, and the carrier plate 206 that is not subjected to external force is stopped at a certain height inside the movable frame 202 or the fixed frame 203 by the spring 205.

[0032] In this embodiment: the tool changing assembly 3 includes an abutment member that can limit the movable range of the bending knife 207 and the knife holder 208 to meet the bending needs through its own movement, a switching member that can adjust the longitudinal position of the abutment member, and a locking member that can adjust the height of the abutment member. The switching member includes a first electric push rod 301 fixedly connected to both sides of the bending assembly 2, and the telescopic end of the first electric push rod 301 is fixedly connected to a clamping frame 302, and the clamping frame 302 is movably connected to a folding rod 303. The abutment member includes a fixed connection An abutment block 304 at one end of the folding rod 303, a connecting rod 305 is movably connected to the abutment block 304, a locking member includes a U-shaped guide rail 306 fixedly installed on both sides of the frame 1, a second electric push rod 307 is fixedly installed in the U-shaped guide rail 306, a longitudinal movement rod 308 is fixedly connected between the telescopic ends of the second electric push rod 307, a movable support rod 309 is provided between the high-position connecting rod 305 and the longitudinal movement rod 308, and a fixed support rod 310 is provided between the low-position connecting rod 305 and the longitudinal movement rod 308;

[0033] The movable frame 202 is slidably connected to the movable support rod 309, the fixed frame 203 is slidably connected to the fixed support rod 310, the locking frame 302 is slidably connected to the folding rod 303, the abutment block 304 is rotatably connected to the connecting rod 305, the U-shaped guide rail 306 is slidably connected to the longitudinal rod 308, the longitudinal rod 308 is slidably connected to the movable support rod 309, the longitudinal rod 308 is threadedly connected to the fixed support rod 310, and the movable support rod 309 and the fixed support rod 310 are both rotatably connected to their respective adjacent connecting rods 305;

[0034] The length change of the telescopic end of the first electric push rod 301 is transmitted to the abutment block 304 through the locking frame 302 and the folding rod 303, and the abutment block 304 contacts the carrier plate 206 equipped with a bending knife 207 or a knife seat 208 that meets the bending requirements, and the movable range of the longitudinal movement rod 308 is limited by the U-shaped guide rail 306. The longitudinal movement rod 308 is driven by the second electric push rod 307 to move longitudinally relative to the U-shaped guide rail 306, and the longitudinal movement of the longitudinal movement rod 308 is changed in direction by the movable support rod 309 and the connecting rod 305 connected thereto and then transmitted to the high-position abutment block 304, and the longitudinal movement of the longitudinal movement rod 308 is changed in direction by the fixed support rod 310 and the connecting rod 305 connected thereto and then transmitted to the low-position abutment block 304.

[0035] Working principle: When the device is installed and used for the bending work of the cabinet sheet metal production, multiple sets of bending knives 207 of different specifications are longitudinally installed under each carrier plate 206 in the movable frame 202, and the knife holder 208 matched with the bending knife 207 is installed above the carrier plate 206 in the fixed frame 203 directly below the bending knife 207;

[0036] When bending processing is required, the first electric push rod 301 and the second electric push rod 307 can be used to first make the abutment block 304 face the carrier plate 206 on which the corresponding bending knife 207 and the knife seat 208 are installed, and then the movable support rod 309 and the fixed support rod 310 respectively push the connected connecting rod 305 to a vertical state, thereby fully compressing the springs 205 on both sides of the corresponding carrier plate 206, and making the corresponding bending knife 207 and the knife seat 208 protrude from the housings of the movable frame 202 and the fixed frame 203 respectively. After the workpiece is placed on the corresponding tool holder 208, the movable frame 202 is driven downward by the hydraulic cylinder 201. During this process, the movable frame 202 can indirectly drive the bending knife 207 to descend toward the workpiece, and can drive the movable support rod 309 to slide relative to the longitudinal movement rod 308, so that the bending knife 207 is lowered to apply pressure on the workpiece to complete the bending process when the corresponding bending knife 207 and tool holder 208 are locked in position in the movable frame 202 and the fixed frame 203 by the abutment block 304 and the connecting rod 305.

[0037] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A bending device for cabinet sheet metal production, characterized in that: The invention comprises a frame (1) capable of providing installation positions for various components so as to enable the device to operate stably, wherein a bending assembly (2) capable of loading a plurality of groups of parts of different specifications that come into contact with a workpiece to be bent is arranged in the frame (1), and a tool changing assembly (3) capable of limiting the movable range of parts of corresponding specifications that come into contact with the workpiece in the device is arranged between the frame (1) and the bending assembly (2); The bending assembly (2) comprises a plurality of bending knives (207) capable of contacting a workpiece and applying pressure thereto, and a matching knife seat (208) capable of contacting and supporting the workpiece is arranged below each bending knife (207); The tool changing assembly (3) comprises a bending knife (207) that can meet the bending requirement by limiting its own movement, an abutment member of the movable range of the knife holder (208), a switching member that can adjust the longitudinal position of the abutment member, and a locking member that can adjust the height of the abutment member.

2. A bending device for cabinet sheet metal production according to claim 1, characterized in that: The switching member comprises a first electric push rod (301) fixedly connected to both sides of the bending assembly (2); a telescopic end of the first electric push rod (301) is fixedly connected to a locking frame (302); and a folding rod (303) is movably connected to the locking frame (302).

3. A bending device for cabinet sheet metal production according to claim 2, characterized in that: The abutment member comprises an abutment block (304) fixedly connected to one end of the folding rod (303), and a connecting rod (305) is movably connected to the abutment block (304).

4. A bending device for cabinet sheet metal production according to claim 3, characterized in that: The locking member comprises a U-shaped guide rail (306) fixedly mounted on both sides of the frame (1), a second electric push rod (307) fixedly mounted inside the U-shaped guide rail (306), a longitudinal movement rod (308) fixedly connected between the telescopic ends of the second electric push rod (307), a movable support rod (309) being arranged between the high-positioned connecting rod (305) and the longitudinal movement rod (308), and a fixed support rod (310) being arranged between the low-positioned connecting rod (305) and the longitudinal movement rod (308).

5. The bending device for cabinet sheet metal production according to claim 2 is characterized in that: The locking frame (302) is slidably connected to the folding rod (303).

6. The bending device for cabinet sheet metal production according to claim 3 is characterized in that: The abutment block (304) is rotatably connected to the connecting rod (305).

7. The bending device for cabinet sheet metal production according to claim 4 is characterized in that: The U-shaped guide rail (306) is slidably connected to the longitudinal rod (308), the longitudinal rod (308) is slidably connected to the movable support rod (309), and the longitudinal rod (308) is connected to the fixed support rod (310) via threads.

8. The bending device for cabinet sheet metal production according to claim 7, characterized in that: The movable support rod (309) and the fixed support rod (310) are both rotatably connected to the respective adjacent connecting rods (305).

Images