A high-precision shrapnel forming device

Abstract

The present invention discloses a high-precision spring sheet forming device, which relates to the field of spring sheet processing, including a mounting plate, a positioning mechanism fixed to the front end surface of the mounting plate, an auxiliary mechanism connected to the positioning mechanism, the auxiliary mechanism including a movable plate arranged in an upper module, a first tool fixed symmetrically to the lower end surface of the movable plate, and a sliding connection between the first tool and the upper module. The high-precision spring sheet forming device adopts a linked auxiliary mechanism, which can first apply a pressure force to the bevel of the workpiece when bending the bevel of the workpiece to achieve a pre-bending effect on the workpiece, thereby ensuring that the subsequent folding mechanism can stably apply a force to the folding position of the workpiece, thereby ensuring the forming accuracy of the workpiece, and then cooperate with the linked adjustment mechanism to automatically adjust the position of the auxiliary mechanism when the folding mechanism folds the workpiece, so as to avoid the auxiliary mechanism from hindering the normal operation of the folding mechanism and ensure the stable operation of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of shrapnel processing, in particular to a high-precision shrapnel forming device. Background Art

[0002] Shrapnel is a kind of elastic part, which is widely used in machinery, electronics, medical equipment and other fields. It is mainly produced by shrapnel forming equipment.

[0003] In the production process of shrapnel, the existing shrapnel forming equipment mainly uses a mold and multiple tools to realize the production of the product. When the existing shrapnel forming equipment produces shrapnel with beveled bends, due to the certain angle between the horizontal bending tool and the workpiece, the material is difficult to be stably stressed during the bending process, which in turn causes the material to be easily deformed or the bending position to be inaccurate during the beveled bending, thereby affecting the production accuracy of the product. Summary of the Invention

[0004] The object of the present invention is to provide a high-precision spring sheet forming device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-precision spring sheet forming device, comprising a mounting plate, a positioning mechanism fixed on the front end surface of the mounting plate, an auxiliary mechanism connected to the positioning mechanism, the auxiliary mechanism comprising a movable plate arranged in an upper module, a first tool fixed symmetrically on the lower end surface of the movable plate, a sliding connection between the first tool and the upper module, a second spring fixed between the movable plate and the upper module, a circular shaft fixed on the upper end surface of the movable plate, a sliding connection between the circular shaft and the slide block, a cross bar fixed on the slide block, a sliding connection between the cross bar and the upper module, a fixed frame fixed on the rear end surface of the mounting plate, an ejection mechanism fixed on the fixed frame, a folding mechanism fixed symmetrically on the fixed frame, and an adjustment mechanism installed on the left folding mechanism, the adjustment mechanism comprising an inclined plane bracket fixed on the slide rod, a sliding connection between the inclined plane bracket and the guide rod, a fourth spring fixed between the guide rod and the positioning plate, an inclined plane block fixed on the upper end of the guide rod, and a sliding connection between the inclined plane block and the cross bar.

[0006] Preferably, a guide plate is fixed on the mounting plate, and the guide plate and the stainless steel strip are slidably connected. A lower module is fixed on the mounting plate, and the lower module is located directly below the positioning mechanism. Through the action of the guide plate, the stainless steel strip can be stably guided to ensure stable movement of the stainless steel strip. In conjunction with the lower module, the plastic effect of the stainless steel strip can be achieved.

[0007] Preferably, a positioning plate is fixed on the mounting plate, and the positioning plate contacts the end of the stainless steel strip to achieve positioning. A fixing plate is also fixed on the mounting plate, and the fixing plate and the stainless steel strip are slidably connected. The positioning function of the positioning plate can determine the processing length of the stainless steel strip.

[0008] Preferably, the positioning mechanism includes a first motor fixed to the rear end face of the mounting plate, and a first cam is fixed to the output end of the first motor, and the first cam and the first cam shaft are slidably connected, and the first cam shaft and the mounting plate are slidably connected. Through the above structure, a basic force can be provided for the movement of the upper module, thereby ensuring the normal processing of the stainless steel strip.

[0009] Preferably, the first cam is fixedly connected to the upper module, and the upper module is arranged on the front side of the mounting plate, and the upper module is slidingly connected to the positioning plate and the fixing plate. Through the cooperation between the upper module and the lower module, the plastic processing of the stainless steel strip can be achieved.

[0010] Preferably, a vertical rod is fixed to the upper end of the upper module, and the vertical rod and the mounting plate are slidably connected, and a first spring is fixed between the vertical rod and the mounting plate. The sliding guiding action between the vertical rod and the mounting plate can ensure the stability of the movement of the upper module, and the elastic action of the first spring can provide a basic force for the automatic reset of the upper module.

[0011] Preferably, a cutter is fixed on the right side of the upper module, and the lower end surface of the cutter is flush with the lower end surface of the upper module, and the cutter and the fixed plate are slidably connected. Through the action of the cutter, the automatic cutting effect of the stainless steel strip can be achieved to ensure the normal processing.

[0012] Preferably, the ejection mechanism includes a cylinder fixed on a fixed frame, and a horizontal plate is fixed to the output end of the cylinder, and a hollow rod is fixed to the horizontal plate, and the hollow rod and the mounting plate are slidably connected, and air outlets are evenly opened on the hollow rod, and an elastic airbag is fixed between the horizontal plate and the mounting plate, and a one-way air inlet valve is installed on the elastic airbag, and the elastic airbag is connected to the hollow rod through the one-way air outlet valve and the conduit. Through the above structure, the workpiece can be automatically ejected after the workpiece processing is completed, thereby providing a basic guarantee for the continuous processing of stainless steel strips.

[0013] Preferably, the folding mechanism includes a second motor fixed on the fixed frame, and the output end of the second motor and the second cam are fixed to each other, and the second cam and the second cam shaft are in a sliding connection, and the second cam shaft and the mounting plate are in a sliding connection, the second cam shaft is fixed on the second tool, and the second tool and the positioning plate and the fixed plate are in a sliding connection, and the end of the second tool is provided with a slope structure that cooperates with the lower module, and the inclination angle of the slope of the end of the second tool is 5°-8°. Through the sliding action between the second cam and the second cam shaft, a basic force can be provided for the movement of the second tool, and with the action of the second tool, a basic guarantee can be provided for the shaping of the stainless steel strip, and through the slope structure at the end of the second tool, the rebound deformation of the stainless steel strip after bending can be overcome, thereby ensuring the processing accuracy of the workpiece.

[0014] Preferably, a slide rod is fixed on the second tool, and the slide rod is slidably connected to the mounting plate, and a third spring is fixed between the slide rod and the mounting plate. The elastic action of the third spring can provide a basic force for the automatic resetting of the second tool.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This high-precision spring sheet forming equipment adopts a linked auxiliary mechanism. When bending the bevel of the workpiece, it can first apply pressure to the bevel of the workpiece to achieve a pre-bending effect on the workpiece, thereby ensuring that the subsequent folding mechanism can stably apply force to the folding position of the workpiece, thereby ensuring the forming accuracy of the workpiece. In combination with the linked adjustment mechanism, the position of the auxiliary mechanism can be automatically adjusted when the folding mechanism is folding the workpiece, avoiding the auxiliary mechanism from hindering the normal operation of the folding mechanism and ensuring the stable operation of the device.

[0017] 2. This high-precision spring forming equipment can realize the automatic cutting of stainless steel strips through the action of the cutter, which can not only ensure the processing length of the stainless steel strips, but also provide a basic guarantee for the continuous processing of the stainless steel strips. In addition, in conjunction with the action of the ejection mechanism, it can realize the automatic ejection of the formed product, ensuring the normal continuous processing of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front three-dimensional structure of the mounting plate of the present invention;

[0019] Figure 2 This is a schematic diagram of the rear perspective structure of the mounting plate of the present invention;

[0020] Figure 3 This is a schematic diagram of the front three-dimensional structure of the positioning mechanism of the present invention;

[0021] Figure 4This is a schematic diagram of the front cross-sectional three-dimensional structure of the positioning mechanism and the auxiliary mechanism of the present invention;

[0022] Figure 5 This is a schematic diagram of the front three-dimensional structure of the auxiliary mechanism of the present invention;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the ejection mechanism of the present invention;

[0024] Figure 7 This is a schematic diagram of the three-dimensional structure of the positioning plate, the fixing plate and the folding mechanism of the present invention;

[0025] Figure 8 It is a schematic diagram of the product structure of the present invention.

[0026] Figure: 1, mounting plate; 101, guide plate; 102, lower module; 103, positioning plate; 104, fixed plate; 2, stainless steel strip; 3, positioning mechanism; 301, first motor; 302, first cam; 303, first cam shaft; 304, upper module; 305, vertical rod; 306, first spring; 307, cutter; 4, auxiliary mechanism; 401, movable plate; 402, first cutter; 403, second spring; 404, circular shaft; 405, slide block; 406, crossbar; 5 , fixed frame; 6, ejection mechanism; 601, cylinder; 602, horizontal plate; 603, hollow rod; 604, air outlet; 605, elastic airbag; 606, one-way air inlet valve; 607, one-way air outlet valve; 7, folding mechanism; 701, second motor; 702, second cam; 703, second cam shaft; 704, second tool; 705, slide rod; 706, third spring; 8, adjusting mechanism; 801, inclined plane bracket; 802, guide rod; 803, fourth spring; 804, inclined plane block. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figures 1-8 The present invention provides a technical solution: a high-precision spring forming device, including a mounting plate 1, a positioning mechanism 3 is fixed on the front end surface of the mounting plate 1, and an auxiliary mechanism 4 is connected to the positioning mechanism 3.

[0029] A guide plate 101 is fixed on the mounting plate 1, and the guide plate 101 is in sliding connection with the stainless steel strip 2. A lower module 102 is fixed on the mounting plate 1, and the lower module 102 is located directly below the positioning mechanism 3. A positioning plate 103 is fixed on the mounting plate 1, and the positioning plate 103 contacts the end of the stainless steel strip 2 to achieve positioning. A fixing plate 104 is also fixed on the mounting plate 1, and the fixing plate 104 is in sliding connection with the stainless steel strip 2. The positioning mechanism 3 includes a first motor 301 fixed to the rear end face of the mounting plate 1, and a first cam 302 is fixed to the output end of the first motor 301, and a sliding connection is formed between the first cam 302 and the first cam shaft 303. The first protruding shaft 303 and the upper module 304 are fixedly connected, and the upper module 304 is arranged on the front side of the mounting plate 1, and the upper module 304 is slidably connected to the positioning plate 103 and the fixing plate 104; a vertical rod 305 is fixed to the upper end of the upper module 304, and the vertical rod 305 is slidably connected to the mounting plate 1, and a first spring 306 is fixed between the vertical rod 305 and the mounting plate 1; a cutter 307 is fixed to the right side of the upper module 304, and the lower end surface of the cutter 307 is flush with the lower end surface of the upper module 304, and the cutter 307 is slidably connected to the fixing plate 104;

[0030] When using this high-precision shrapnel forming equipment, if Figure 1-Figure 7 As shown, when the end of the stainless steel strip 2 contacts the positioning plate 103, the first motor 301 is started, and the first cam 302 is driven to rotate by the first motor 301, and the sliding action between the first cam 302 and the first convex shaft 303 is cooperated to make the upper module 304 and the cutter 307 move downward, and the sliding guide action between the vertical rod 305 and the mounting plate 1 can ensure the stability of the movement of the upper module 304 and the cutter 307. When the cutter 307 contacts the stainless steel strip 2 and generates pressure, the cutting effect of the stainless steel strip 2 can be achieved, and at this time, the upper module 304 is synchronously contacted with the stainless steel strip 2 to achieve the positioning of the stainless steel strip 2. When the upper module 304 continues to move downward, the upper module 304 cooperates with the lower module 102 to achieve a primary plastic effect of the stainless steel strip 2.

[0031] The auxiliary mechanism 4 includes a movable plate 401 arranged in the upper module 304, and the first tool 402 is fixed symmetrically on the lower end surface of the movable plate 401. The first tool 402 and the upper module 304 are in sliding connection. A second spring 403 is also fixed between the movable plate 401 and the upper module 304. A circular shaft 404 is fixed on the upper end surface of the movable plate 401, and the circular shaft 404 and the chute block 405 are in sliding connection. A cross bar 406 is fixed on the chute block 405, and the cross bar 406 and the upper module 304 are in sliding connection. The rear end surface of the mounting plate 1 is fixed with a fixing frame 5, and the fixing frame 5 is fixed with an ejection mechanism 6, and a folding mechanism 7 is also fixed on the fixed frame 5 symmetrically, and an adjustment mechanism 8 is installed on the left folding mechanism 7. The left folding mechanism 7 drives the adjustment mechanism 8 to move to generate a pre-bending driving force for the auxiliary mechanism 4. The adjustment mechanism 8 includes an inclined plane bracket 801 fixed on the slide rod 705, and the inclined plane bracket 801 is slidably connected to the guide rod 802. A fourth spring 803 is fixed between the guide rod 802 and the positioning plate 103. A bevel block 804 is fixed to the upper end of the guide rod 802, and the bevel block 804 is slidably connected to the cross bar 406.

[0032] During the plasticizing process of the stainless steel strip 2 in cooperation with the upper module 304 and the lower module 102, Figure 1-Figure 7 As shown, when the upper module 304 moves downward, the auxiliary mechanism 4 is synchronously driven to move downward. After the cutter 307 cuts the stainless steel strip 2, the cross bar 406 is in contact with the inclined block 804. When the upper module 304 continues to move downward and cooperates with the lower module 102, the sliding action between the cross bar 406 and the inclined block 804 causes the cross bar 406 to slide toward the inner side of the upper module 304, thereby driving the slide block 405 to move, and cooperating with the sliding action between the slide block 405 and the circular shaft 404, the movable plate 401 and the first tool 402 are forced to move downward. When the upper module 304 and the lower module 102 are fully matched, the cross bar 406 is in contact with the highest point of the inclined block 804. When the upper module 304 and the lower module 102 are fully matched, the downward pressure of the first tool 402 can realize the pre-bending of the bevel of the workpiece, so that the bending position of the bevel of the workpiece is in a relatively vertical state, thereby completing the auxiliary bending effect of the bevel of the workpiece;

[0033] The ejection mechanism 6 includes a cylinder 601 fixed on the fixed frame 5, and a horizontal plate 602 is fixed to the output end of the cylinder 601, and a hollow rod 603 is fixed to the horizontal plate 602. At the same time, the hollow rod 603 and the mounting plate 1 are slidably connected, and air outlets 604 are evenly opened on the hollow rod 603. An elastic airbag 605 is fixed between the horizontal plate 602 and the mounting plate 1, and a one-way air inlet valve 606 is installed on the elastic airbag 605. The elastic airbag 605 is connected to the hollow rod 603 through a one-way air outlet valve 607 and a conduit; the folding mechanism 7 includes a second motor 701 fixed to the fixed frame 5, and the output end of the second motor 701 is connected to the second cam 702 are fixed to each other, and the second cam 702 and the second protruding shaft 703 are slidably connected, and the second protruding shaft 703 and the mounting plate 1 are slidably connected. The second protruding shaft 703 is fixed to the second tool 704, and the second tool 704 is slidably connected to the positioning plate 103 and the fixing plate 104, and the end of the second tool 704 is provided with an inclined surface structure that cooperates with the lower module 102, and the inclination angle of the inclined surface of the end of the second tool 704 is 5°-8°; a sliding rod 705 is fixed to the second tool 704, and the sliding rod 705 and the mounting plate 1 are slidably connected, and a third spring 706 is fixed between the sliding rod 705 and the mounting plate 1;

[0034] When the upper module 304 and the lower module 102 are fully matched, Figure 1-Figure 7As shown, at this time, the second motor 701 starts to drive the second cam 702 to rotate, and the sliding action between the second cam 702 and the second convex shaft 703 is coordinated to make the second tool 704 move under force, and the sliding guide action between the slide bar 705 and the mounting plate 1 can ensure the stability of the movement of the second tool 704. When the second tool 704 moves, the inclined plane bracket 801 is synchronously driven to move, and the sliding action between the inclined plane bracket 801 and the guide rod 802 is coordinated to make the inclined plane block 804 move upward under force. When the guide rod 802 slides to the upper end plane of the inclined plane bracket 801, the inclined plane position of the inclined plane block 804 is exactly aligned with the cross bar 4. 06 separation, cooperate with the elastic effect of the second spring 403, so that the movable plate 401 and the first tool 402 are automatically reset, thereby preventing the first tool 402 from affecting the normal operation of the second tool 704. When the first tool 402 is reset, the second tool 704 continues to move. When the second tool 704 contacts the bevel bending position of the workpiece, a stable force can be applied to the bevel bending position of the workpiece. Through the cooperation of the second tool 704 and the lower module 102, a secondary plastic effect of the bevel bending position of the workpiece can be achieved, and through the inclined surface structure at the end of the second tool 704, the bevel bending position of the workpiece can be bent by 5°-8° more, so that The bevel bending of the workpiece can overcome its own rebound variable, thereby effectively ensuring the processing accuracy of the workpiece. When the second cam 702 and the first cam 302 rotate one circle, the processing of a workpiece can be completed. After the second cam 702 and the first cam 302 rotate one circle, the first spring 306 and the third spring 706 cooperate to automatically reset the upper module 304 and the second tool 704 for subsequent processing. After the second cam 702 and the first cam 302 rotate one circle, the cylinder 601 starts to extend and retract. When the cylinder 601 extends, it can drive the cross plate 602 and the hollow rod 603 to move. By moving forward, the hollow rod 603 can be used to push out the formed workpiece so that subsequent continuous processing can proceed normally. When the horizontal plate 602 moves, pressure is applied to the elastic airbag 605 at the same time, so that the air in the elastic airbag 605 enters the hollow rod 603 through the one-way air outlet valve 607 and the conduit, and is ejected outward through the air outlet 604. The high-speed air ejected from the air outlet 604 can blow off the metal debris adhered to the upper module 304 and the lower module 102, ensuring the cleanliness of the surfaces of the upper module 304 and the lower module 102, thereby effectively ensuring the processing quality of the shrapnel. This is the working principle of the high-precision shrapnel forming equipment.

[0035] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0036] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method of the present invention and its core ideas. The above is only a preferred implementation method of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the scope of protection of the present invention.

Claims

1. A high-precision spring sheet forming device, comprising a mounting plate (1), wherein a positioning mechanism (3) is fixed to the front end surface of the mounting plate (1), characterized in that: The positioning mechanism (3) is connected to an auxiliary mechanism (4) for pre-folding the inclined surface of the workpiece. A fixing frame (5) is fixed to the rear end surface of the mounting plate (1). An ejection mechanism (6) is fixed to the fixing frame (5). A folding mechanism (7) for positioning the folded edge of the workpiece is also fixed to the fixing frame (5) in a left-right symmetrical manner. An adjusting mechanism (8) is installed on the folding mechanism (7) on the left side. The folding mechanism (7) on the left side drives the adjusting mechanism (8) to move and generate a pre-folding driving force for the auxiliary mechanism (4). The mounting plate ( 1) is fixed with a positioning plate (103), and the positioning plate (103) contacts the end of the stainless steel strip (2) to achieve positioning, the mounting plate (1) is also fixed with a fixing plate (104), and the fixing plate (104) and the stainless steel strip (2) are in sliding connection, the positioning mechanism (3) includes a first motor (301) fixed to the rear end surface of the mounting plate (1), and a first cam (302) is fixed to the output end of the first motor (301), and the first cam (302) and the first cam shaft (303) are connected. There is a sliding connection between the first convex shaft (303) and the mounting plate (1), and there is a sliding connection between the first convex shaft (303) and the upper module (304). The upper module (304) is arranged on the front side of the mounting plate (1), and there are sliding connections between the upper module (304) and the positioning plate (103) and the fixed plate (104). The auxiliary mechanism (4) includes a movable plate (401) arranged in the upper module (304), and the lower end surface of the movable plate (401) is fixed symmetrically on the left and right. A first tool (402) is provided, and the first tool (402) is slidably connected to the upper module (304). A second spring (403) is fixed between the movable plate (401) and the upper module (304). A circular shaft (404) is fixed to the upper end surface of the movable plate (401), and the circular shaft (404) is slidably connected to the chute block (405). A cross bar (406) is fixed to the chute block (405), and the cross bar (406) is slidably connected to the upper module (304).

2. The high-precision spring sheet forming device according to claim 1, characterized in that: A guide plate (101) is fixed on the mounting plate (1), and the guide plate (101) is slidably connected to the stainless steel strip (2). A lower module (102) is fixed on the mounting plate (1), and the lower module (102) is located directly below the positioning mechanism (3).

3. The high-precision spring sheet forming device according to claim 2, characterized in that: A vertical rod (305) is fixed to the upper end of the upper module (304), and the vertical rod (305) is slidably connected to the mounting plate (1), and a first spring (306) is fixed between the vertical rod (305) and the mounting plate (1). A cutter (307) is fixed to the right side of the upper module (304), and the lower end surface of the cutter (307) is flush with the lower end surface of the upper module (304), and the cutter (307) is slidably connected to the fixing plate (104).

4. The high-precision spring sheet forming device according to claim 3, characterized in that: The ejection mechanism (6) comprises a cylinder (601) fixed on a fixing frame (5), and a transverse plate (602) is fixed to the output end of the cylinder (601), and a hollow rod (603) is fixed to the transverse plate (602), and the hollow rod (603) is slidably connected to the mounting plate (1), and air outlets (604) are evenly provided on the hollow rod (603), and an elastic airbag (605) is fixed between the transverse plate (602) and the mounting plate (1), and a one-way air inlet valve (606) is installed on the elastic airbag (605), and the elastic airbag (605) is connected to the hollow rod (603) via the one-way air outlet valve (607) and a conduit.

5. The high-precision spring sheet forming device according to claim 4, characterized in that: The folding mechanism (7) includes a second motor (701) fixed on the fixing frame (5), and the output end of the second motor (701) and the second cam (702) are fixed to each other, and the second cam (702) and the second cam shaft (703) are in sliding connection, and the second cam shaft (703) and the mounting plate (1) are in sliding connection, the second cam shaft (703) is fixed on the second tool (704), and the second tool (704) and the positioning plate (103) and the fixing plate (104) are in sliding connection, and the end of the second tool (704) is provided with an inclined surface structure that cooperates with the lower module (102), and the inclined angle of the inclined surface of the end of the second tool (704) is 5°-8°.

6. The high-precision spring sheet forming device according to claim 5, characterized in that: A sliding rod (705) is fixed on the second tool (704), and the sliding rod (705) is slidably connected to the mounting plate (1), and a third spring (706) is fixed between the sliding rod (705) and the mounting plate (1).

7. The high-precision spring sheet forming device according to claim 6, characterized in that: The adjustment mechanism (8) includes an inclined plane bracket (801) fixed on the slide rod (705), the inclined plane bracket (801) and the guide rod (802) are in sliding connection, a fourth spring (803) is fixed between the guide rod (802) and the positioning plate (103), an inclined plane block (804) is fixed on the upper end of the guide rod (802), and the inclined plane block (804) and the cross bar (406) are in sliding connection.

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