Bending device convenient to adjust and used for precious metal processing

Abstract

The utility model discloses a precious metal processing bending device convenient to adjust, which comprises a workbench, the workbench is provided with a connecting hole, the bottom of the workbench is fixedly connected with a guide rod, the workbench is rotatably connected with a threaded rod, and the outer surface of the threaded rod is in threaded connection with a connecting plate. The top of the connecting plate is fixedly connected with a plurality of stand columns, the top of one stand column is fixedly connected with a fixing column, and the outer surfaces of the fixing column and the stand columns are fixedly sleeved with connecting blocks. The crank is manually rotated to drive the threaded rod to rotate, then the stand columns, the fixing column and the connecting blocks move synchronously, the stand columns with the needed diameter can be used after the connecting blocks arranged on the outer surfaces of the stand columns with the needed diameter in a sleeving mode are moved into the connecting holes, and bolts are not needed for screwing and fixing; and therefore, the stand columns with different diameters can be quickly adjusted, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal processing, in particular to a bending device for precious metal processing which is easy to adjust. Background Art

[0002] Precious metals mainly refer to metal elements such as gold, silver and platinum group metals. Most of these metals have beautiful colors, strong chemical stability, and are not easy to react with other chemical substances under normal conditions.

[0003] At present, when precious metals are processed and bent, in order to avoid edge damage of the precious metals due to bending, most of them need to use round rods such as columns to fit the bending part of the precious metal with the outer surface of the column and then guide the bent precious metal. However, since the bending radius required by precious metals is different, most of the columns on the existing bending devices are fixed and installed by bolts or direct screwing, which is not convenient for quick adjustment and replacement, reducing the practicality of the device.

[0004] Therefore, it is necessary to provide an easily adjustable bending device for precious metal processing to solve the above technical problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a bending device for precious metal processing which is easy to adjust.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a bending device for precious metal processing that is easy to adjust, comprising a workbench, the workbench is provided with a connecting hole, the bottom of the workbench is fixedly connected to a guide rod, the workbench is rotatably connected to a threaded rod, the outer surface of the threaded rod is threadedly connected to a connecting plate, the top of the connecting plate is fixedly connected to a plurality of columns, the top of one of the columns is fixedly connected to a fixed column, the outer surfaces of the fixed column and the plurality of columns are fixedly sleeved with connecting blocks, the interior of the fixed column is provided with an inclined groove, the interior of the inclined groove is provided with a slot, the interior of the slot is provided with a push rod, the interior of the inclined groove is slidably connected to a slider, one side of the slider is fixedly connected to an arc plate, the other side of the slider is fixedly connected to the push rod, and the top of the workbench is provided with a softening component and a clamping component.

[0007] As a further description of the above technical solution:

[0008] The guide rod movably penetrates the connecting plate, and a plurality of connecting blocks are all matched with the connecting holes.

[0009] As a further description of the above technical solution:

[0010] The top of the threaded rod is fixedly connected with a crank.

[0011] As a further description of the above technical solution:

[0012] Rubber blocks are arranged inside the fixing column and on one side of the arc-shaped plate, and both of the two rubber blocks are arc-shaped.

[0013] As a further description of the above technical solution:

[0014] The softening component includes a bracket fixedly connected to the top of the workbench, the bracket is L-shaped, a hot air blower is fixedly installed on the top of the bracket, one side of the hot air blower is fixedly connected to a nozzle through a hose, and the hose movably passes through the bracket.

[0015] As a further description of the above technical solution:

[0016] An annular plate is fixedly sleeved on the outer surface of the hose, a spring is arranged between the top of the annular plate and the bottom of the bracket and on the outer surface of the hose, and both ends of the spring are fixedly connected to the annular plate and the bracket respectively.

[0017] As a further description of the above technical solution:

[0018] The clamping assembly includes two electric telescopic rods fixedly installed on the top of the workbench, the telescopic ends of the two electric telescopic rods are fixedly connected with clamping plates, the two clamping plates are arranged opposite to each other, and the other sides of the two clamping plates are fixedly connected with rubber plates.

[0019] The utility model has the following beneficial effects:

[0020] 1. Compared with the prior art, the bending device for precious metal processing which is easy to adjust, by manually turning the crank, drives the threaded rod to rotate, thereby making several columns, fixed columns and several connecting blocks move synchronously, so that the connecting block sleeved on the outer surface of the column of the required diameter is moved into the inside of the connecting hole, and the column of the required diameter can be used without the need for screwing and fixing with bolts, thereby facilitating the rapid adjustment of columns of different diameters, thereby improving the practicality of the device.

[0021] 2. Compared with the prior art, this easily adjustable bending device for precious metal processing can start the hot air blower to transport hot air through a hose to the nozzle and then spray it out from the nozzle, blowing hot air to heat and soften the precious metal to be bent, making the bending of the precious metal more labor-saving and convenient, and at the same time preventing the flame from heating and softening the precious metal and reducing its aesthetics. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a bending device for precious metal processing that is easy to adjust, proposed by the utility model;

[0023] Figure 2 This is a schematic diagram of the push plate and slot structure of a bending device for precious metal processing that is easy to adjust, which is proposed by the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of a slider and a rubber block of a bending device for precious metal processing that is easy to adjust, which is proposed by the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of a hose and a spring of a bending device for precious metal processing which is easy to adjust and is proposed by the utility model.

[0026] Legend:

[0027] 1. Workbench; 2. Connecting hole; 3. Guide rod; 4. Threaded rod; 5. Connecting plate; 6. Column; 7. Fixed column; 8. Connecting block; 9. Inclined groove; 10. Slot; 11. Push rod; 12. Slider; 13. Curved plate; 14. Crank; 15. Rubber block; 16. Bracket; 17. Hot air blower; 18. Hose; 19. Nozzle; 20. Ring plate; 21. Spring; 22. Electric telescopic rod; 23. Clamping plate; 24. Rubber plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-4The utility model provides a bending device for precious metal processing that is easy to adjust: it includes a workbench 1, a connecting hole 2 is opened on the workbench 1, a guide rod 3 is fixedly connected to the bottom of the workbench 1, a threaded rod 4 is rotatably connected to the workbench 1, a crank 14 is fixedly connected to the top of the threaded rod 4, a connecting plate 5 is threadedly connected to the outer surface of the threaded rod 4, the guide rod 3 movably penetrates the connecting plate 5, a plurality of columns 6 are fixedly connected to the top of the connecting plate 5, a fixed column 7 is fixedly connected to the top of one of the columns 6, a connecting block 8 is fixedly sleeved on the outer surfaces of the fixed column 7 and the plurality of columns 6, and the plurality of connecting blocks 8 are all adapted to the connecting hole 2, an inclined groove 9 is opened inside the fixed column 7, and a slot is opened inside the inclined groove 9 10, a push rod 11 is arranged inside the slot 10, a slider 12 is slidably connected inside the inclined slot 9, when the slider 12 is located inside the inclined slot 9 and abuts against the top thereof, the push rod 11 is matched with the connecting hole 2, one side of the slider 12 is fixedly connected with an arc plate 13, a rubber block 15 is arranged inside the fixed column 7 and on one side of the arc plate 13, the other side of the slider 12 is fixedly connected with the push rod 11, a softening component and a clamping component are arranged on the top of the workbench 1, through the coordinated use of structures such as the fixed column 7, the connecting block 8, the inclined slot 9, the slot 10, the push rod 11, the slider 12 and the arc plate 13, a new column 6 can be quickly fixed and installed inside the fixed column 7 for use, thereby improving the applicability of the device.

[0030] The softening component includes a bracket 16 fixedly connected to the top of the workbench 1, a hot air blower 17 is fixedly installed on the top of the bracket 16, one side of the hot air blower 17 is fixedly connected to a nozzle 19 through a hose 18, an annular plate 20 is fixedly sleeved on the outer surface of the hose 18, the annular plate 20 is made of heat-insulating material, a spring 21 is provided between the top of the annular plate 20 and the bottom of the bracket 16 and on the outer surface of the hose 18, through the setting of the spring 21, when the hose 18 is stretched, the spring 21 can also be stretched, and after the stretching of the hose 18 is cancelled, the hose 18 can be driven to move up and reset under the action of the elastic force of the spring 21.

[0031] The clamping assembly includes two electric telescopic rods 22 fixedly mounted on the top of the workbench 1 , the telescopic ends of the two electric telescopic rods 22 are fixedly connected to clamping plates 23 , and the other sides of the two clamping plates 23 are fixedly connected to rubber plates 24 .

[0032] Working principle: When working, first adjust the corresponding column 6 to a suitable position according to the radius of the precious metal to be bent, that is, manually turn the crank 14 to drive the threaded rod 4 to rotate, and under the limiting and guiding action of the guide rod 3, the connecting plate 5 drives several columns 6, fixed columns 7 and several connecting blocks 8 to move synchronously along the axial direction of the threaded rod 4, so that the connecting block 8 sleeved on the outer surface of the corresponding column 6 moves to the inside of the connecting hole 2. If the diameter of the column 6 to be used is significantly different from the diameters of several columns 6, when it needs to be installed on the device, manually lift the push rod 11 to drive the slider 12, the arc plate 13 and one of the rubber blocks 15 to move up, and then put it in After being placed inside the fixed column 7, the push rod 11 is pressed down again to drive the slider 12, the arc plate 13 and one of the rubber blocks 15 to move downward, and under the cooperation of the inclined groove 9, the distance between the two rubber blocks 15 is continuously reduced until the newly added column 6 is fixed, and the crank 14 can be turned to move the connecting block 8 on the fixed column 7 to the inside of the connecting hole 2, and then the newly added column 6 is used, and then the precious metal to be bent is placed at a suitable position on the workbench 1, and the two electric telescopic rods 22 are started at the same time, driving the two clamping plates 23 and the two rubber plates 24 to move to the opposite side at the same time, and the precious metal to be bent is clamped and fixed;

[0033] After the precious metal to be bent is fixed, the annular plate 20 is manually held, and the hose 18 is pulled to move, so that the spring 21 is stretched and the nozzle 19 is moved to the bending position of the precious metal, and then the hot air blower 17 is started to transport the hot air to the nozzle 19 through the hose 18 and then sprayed out from the nozzle 19 to heat and soften the bending position of the precious metal. After the bending position is heated and softened, the precious metal can be bent.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bending device for precious metal processing which is easy to adjust, comprising a workbench (1), characterized in that: The workbench (1) is provided with a connection hole (2), the bottom of the workbench (1) is fixedly connected to a guide rod (3), the workbench (1) is rotatably connected to a threaded rod (4), the outer surface of the threaded rod (4) is threadedly connected to a connection plate (5), the top of the connection plate (5) is fixedly connected to a plurality of columns (6), the top of one of the columns (6) is fixedly connected to a fixed column (7), and the outer surfaces of the fixed column (7) and the plurality of columns (6) are fixedly sleeved A connecting block (8), an inclined groove (9) is provided inside the fixed column (7), a slot (10) is provided inside the inclined groove (9), a push rod (11) is provided inside the slot (10), a slider (12) is slidably connected inside the inclined groove (9), a curved plate (13) is fixedly connected to one side of the slider (12), and the other side of the slider (12) is fixedly connected to the push rod (11), and a softening component and a clamping component are provided on the top of the workbench (1).

2. The easily adjustable bending device for precious metal processing according to claim 1, characterized in that: The guide rod (3) movably penetrates the connecting plate (5), and a plurality of connecting blocks (8) are all matched with the connecting holes (2).

3. The easily adjustable bending device for precious metal processing according to claim 1, characterized in that: The top of the threaded rod (4) is fixedly connected with a crank (14).

4. The easily adjustable bending device for precious metal processing according to claim 1, characterized in that: Rubber blocks (15) are arranged inside the fixing column (7) and on one side of the arc-shaped plate (13).

5. The easily adjustable bending device for precious metal processing according to claim 1, characterized in that: The softening component comprises a bracket (16) fixedly connected to the top of the workbench (1), a hot air blower (17) is fixedly installed on the top of the bracket (16), and one side of the hot air blower (17) is fixedly connected to a nozzle (19) via a hose (18).

6. The easily adjustable bending device for precious metal processing according to claim 5, characterized in that: An annular plate (20) is fixedly sleeved on the outer surface of the hose (18), and a spring (21) is provided between the top of the annular plate (20) and the bottom of the bracket (16) and on the outer surface of the hose (18).

7. The easily adjustable bending device for precious metal processing according to claim 1, characterized in that: The clamping assembly comprises two electric telescopic rods (22) fixedly mounted on the top of the workbench (1), the telescopic ends of the two electric telescopic rods (22) being fixedly connected to a clamping plate (23), and the other sides of the two clamping plates (23) being fixedly connected to a rubber plate (24).

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