A stainless steel bending feed rack
By designing a stainless steel bending feeder, and utilizing adjusting screws, airbag clamping, ball bearing friction reduction, and shock-absorbing spring buffering, the problem of damage to stainless steel sheets during transportation was solved, achieving stable storage and efficient feeding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI RONGMIN BUILDING MATERIALS CO LTD
- Filing Date
- 2025-09-04
- Publication Date
- 2026-06-26
AI Technical Summary
Existing stainless steel sheets are prone to surface scratches, deformation, and tipping during transportation due to stacking, bumping of handling equipment, and manual operation, which affects the quality of the sheets and production costs.
Design a stainless steel bending feeder that uses an adjustable screw to adjust the interval, airbag flexible clamping, ball bearings to reduce friction, and shock-absorbing springs to buffer, ensuring stable storage and transportation of sheet materials.
It effectively prevents damage to the surface of the sheet material, reduces deformation, improves the stability and safety of transportation, reduces loss rate, and improves material supply efficiency.
Smart Images

Figure CN224406278U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a feeding rack, and more particularly to a stainless steel bent feeding rack. Background Technology
[0002] Stainless steel sheets, with their excellent corrosion resistance, strength, and formability, are widely used in home appliances, kitchenware, architectural decoration, automobile manufacturing, and other fields. Bending is a core processing step, which requires CNC bending machines to press flat sheets into workpieces of specific shapes to meet the structural requirements of different scenarios. Before bending, the sheet usually needs to be creasing or stamping equipment to form processing holes, grooves, or specific contours on the sheet to provide a precise reference for bending. After creasing or stamping, the sheet needs to be transferred from the stamping equipment's output table to a temporary storage area for stacking using forklifts, overhead cranes, or manual handling vehicles, and then transferred to the bending equipment's feeding area for subsequent bending processing.
[0003] Existing methods of transporting sheet metal cause significant damage, specifically in the following ways: First, without any protective measures during stacking, the sheets are prone to relative sliding and direct collisions due to the bumps and vibrations of the handling equipment, resulting in physical damage such as scratches and dents on the surface. This is especially true for stainless steel sheets that have undergone fine surface treatments such as polishing and brushing, as such damage directly destroys the aesthetics and functionality of the sheet surface, causing it to lose its original surface quality advantages. Second, when stacking sheets manually, it is difficult to ensure the levelness and edge alignment of each sheet, easily leading to uneven pressure on the stacked sheets. Some sheets may even develop defects due to prolonged stress. The first problem is that the plates are subject to slight deformation. Furthermore, when the bending equipment picks up the plates, it needs to make additional adjustments to the positioning based on the existing state of the plates. If external force is applied to the plates during the positioning process, it may further aggravate the deformation problem and affect the shape accuracy of the plates. The second problem is that the stacked plates lack a stable limiting structure. If there is a sudden stop, turn or uneven ground during transportation, the stacked plates are prone to tipping over. During the tipping process, the plates will not only collide violently with the ground and the handling device, but also may be squeezed and bumped against each other by multiple layers of plates, resulting in serious deformation, edge damage or even breakage of the plates, directly causing the plates to be scrapped, greatly increasing the plate loss rate and increasing the production raw material cost. Utility Model Content
[0004] To overcome the shortcomings of the existing technology, the technical problem is to provide a stainless steel bending feed rack.
[0005] The technical implementation scheme of this utility model is as follows: A stainless steel bending feeder includes a frame, a fixed plate, a movable plate, an adjusting screw, a support plate, a feeding plate, and an air bladder. A fixed plate is vertically arranged on the right side of the frame, and a movable plate is slidably arranged on the left side of the frame. The top plate and the movable plate are arranged opposite each other. An adjusting screw is provided at the bottom of the frame and is screwed to the bottom of the movable plate. By rotating the adjusting screw, the interval between the movable plate and the fixed plate is adjusted. Feeding plates are arranged vertically on the opposite side of the fixed plate and the movable plate, and the feeding plates on the fixed plate and the movable plate correspond one-to-one. A support plate is fixedly provided at the bottom of the opposite side of the fixed plate and the movable plate. The feeding plates and the support plates are provided with feeding plate planes, and the feeding plates and the support plates on the fixed plate and the movable plate are arranged symmetrically from left to right. The feeding plate planes on the same left and right line are at the same horizontal height. The feeding plates on the fixed plate are provided with mounting grooves at the bottom, and air bladders are provided in the mounting grooves. Air bladders are provided in the mounting grooves for the air injection components on the fixed plate to inflate and deflate the air bladders.
[0006] Furthermore, the air injection assembly includes an air pump, a crank handle, an air valve, an air pipe, and a distribution pipe. An air pump is located on the upper right side of the fixed plate. The air pump has a crank handle, and the pump body has an air valve. The air valve has an exhaust screw, and the air outlet of the air valve is connected to an air pipe. Several distribution pipes are connected to the air pipe. The number of distribution pipes is the same as the number of material discharge plates on the fixed plate, and each distribution pipe is connected to the internal space of an air bladder. When the air bladder is inflated by the air pump, the lower part of the air bladder bulges downward and clamps the top of the metal plate located below it on one side.
[0007] Furthermore, when the airbag is not inflated, the side of it furthest from the bottom of the mounting groove does not protrude from the mounting groove of the material discharge plate.
[0008] Furthermore, it also includes ball bearings, with multiple ball bearings interspersed at intervals along the length of both the feeding plate and the pallet.
[0009] Furthermore, it also includes a base and shock-absorbing springs. The base is elastically connected to the lower outer side of the frame through several shock-absorbing springs, which are distributed in a rectangular shape.
[0010] Furthermore, it also includes handles, with symmetrical handles on the left and right sides of the base.
[0011] The beneficial effects of this utility model are: 1. This utility model achieves the orderly placement of multiple plates by arranging multiple layers of feeding plates, avoiding stacking and squeezing, and uses adjusting screws to adjust the position of the moving plate to adapt to metal plates of different widths. When it is necessary to transfer or pick up metal plates, the airbag and air injection components can fix the plates during the transfer and release the constraints during the pick-up and drop, effectively preventing surface damage caused by multiple layers of stacking, unrestrained displacement, and collisions.
[0012] 2. This utility model uses ball bearings embedded in the feeding plate and pallet feeding plane. When the operator picks up and puts up the metal sheet, the ball bearings convert the sliding friction between the sheet and the feeding plate plane into rolling friction, which greatly reduces the resistance to picking up and putting up. This allows the operator to easily pull out and lay the sheet flat without having to pry or move it, further reducing the wear of the sheet and the intensity of operation.
[0013] 3. When the device encounters bumps and vibrations during transportation, the shock-absorbing spring absorbs the vibration energy through elastic deformation, slows down the transmission of vibration to the frame and the plate, effectively avoids damage such as scratches and dents to the plate caused by vibration displacement and collision, and at the same time reduces the damage of vibration to the overall stability of the device, reduces the risk of device tilting and tipping, ensures the safety of the device and the plate during transportation, and improves the applicability and reliability of the device in complex road conditions. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0015] Figure 2 This is a three-dimensional structural diagram of the fixed plate, moving plate, and adjusting screw of this utility model.
[0016] Figure 3 This is a three-dimensional structural diagram of the material feeding plate and air injection component of this utility model.
[0017] Figure 4 This is a three-dimensional structural diagram of the material feeding plate, airbag, and diversion pipe of this utility model.
[0018] Figure 5 This is a three-dimensional structural diagram of the frame and shock absorption mechanism of this utility model.
[0019] The components are: 1. Frame, 2. Fixed plate, 3. Moving plate, 4. Adjusting screw, 5. Support plate, 6. Feeding plate, 7. Air pump, 71. Handle, 72. Air valve, 73. Air bag, 7300. Mounting slot, 74. Air pipe, 741. Diverter pipe, 8. Ball bearing, 9. Base, 91. Shock-absorbing spring, 10. Handle. Detailed Implementation
[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0021] Example 1
[0022] A stainless steel bent feed rack, such as Figure 1As shown, the feeding rack includes a frame 1, a fixed plate 2, a movable plate 3, an adjusting screw 4, a support plate 5, a feeding plate 6, and an airbag 73. The frame 1 serves as the supporting foundation for the entire feeding rack. The fixed plate 2 is fixed vertically on its right side, providing installation support for the feeding plate 6 and the support plate 5. The movable plate 3 is slidably mounted horizontally on the left side of the frame 1. The movable plate 3 and the fixed plate 2 are positioned opposite each other, forming a two-sided support structure for the stainless steel sheet. The adjusting screw 4 is rotatably mounted horizontally on the lower part of the frame 1. One end of the adjusting screw 4 is screwed into a threaded hole at the bottom of the movable plate 3. When the operator manually rotates the adjusting screw 4, the rotational movement of the adjusting screw 4 can be converted into the horizontal sliding of the movable plate 3 along the left side of the frame 1, thereby adjusting the distance between the movable plate 3 and the fixed plate 2 to accommodate stainless steel sheets of different widths. This ensures that sheets of different widths can be stably supported between the two, improving the versatility of the feeding rack.
[0023] On the opposite sides of the fixed plate 2 and the movable plate 3, feeding plates 6 are fixedly arranged at intervals along the vertical direction. The feeding plates 6 on the fixed plate 2 and the movable plate 3 are arranged in a one-to-one correspondence. Each pair of opposite feeding plates 6 can jointly support a stainless steel metal plate, realizing the layered storage of multiple metal plates and avoiding surface scratches or inconvenience in retrieval caused by stacking metal plates. The lower part of the opposite side of the fixed plate 2 and the movable plate 3 is fixedly provided with a support plate 5. The support plate 5 is located below the bottom feeding plate 6 and is used to provide additional support for the bottom layer of metal plates, preventing the bottom layer of metal plates from bending and deforming due to gravity. Both the feeding plates 6 and the support plate 5 have flat feeding planes, and the feeding plates 6 and the support plate 5 on the fixed plate 2 and the movable plate 3 are arranged symmetrically from left to right. The feeding planes of the feeding plates 6 on the same horizontal line on the left and right are at the same horizontal height. This symmetrical and equal-height design can ensure that the metal plates remain horizontal after placement, avoiding the metal plates from slipping due to the tilt of the support surface or the position shift during subsequent bending and feeding, thus ensuring the stability of the feeding.
[0024] like Figure 1 , Figure 3 and Figure 4As shown, each feeding plate 6 on the fixed plate 2 has a mounting groove 7300 at its lower part. The size of the mounting groove 7300 is adapted to the airbag 73. An airbag 73 is fixedly installed in each mounting groove 7300. The airbag 73 is made of flexible and wear-resistant material. The fixed plate 2 is equipped with an air injection component. Through the air injection component, all airbags 73 can be independently injected or deflated to achieve clamping control of all layers of metal plates. The air injection component includes an air pump 7, a crank handle 71, an air valve 72, an air pipe 74, and a diverter pipe 741. The air pump 7 is fixedly installed on the upper right part of the fixed plate 2. The piston rod end of the air pump 7 is hinged to the crank handle 71. By reciprocatingly cranking the crank handle 71, the operator can drive the piston of the air pump 7 to reciprocate, thereby causing the air pump 7 to generate compressed air. The air pump 7 has a fixed air valve 72 on its pump body. The air valve 72 is used to control the air flow between the air pump 7 and the air pipe 74. The air valve 72 is threaded with an exhaust screw. Rotating the exhaust screw can adjust the size of the exhaust channel inside the air valve 72 to control the air release speed. The air outlet of the air valve 72 is fixedly connected to one end of the air pipe 74. The other end of the air pipe 74 is connected to several diverter pipes 741. The number of diverter pipes 741 is the same as the number of discharge plates 6 on the fixed plate 2. The end of each diverter pipe 741 away from the air pipe 74 is sealed and connected to the internal space of the air bag 73 in the corresponding discharge plate 6 mounting groove 7300, ensuring that the compressed air generated by the air pump 7 can be accurately delivered to each air bag 73 through the air pipe 74 and the diverter pipes 741.
[0025] When a metal plate needs to be clamped and fixed, the operator closes the exhaust channel of the air valve 72 and cranks the handle 71 back and forth to drive the air pump 7 to inject air. Compressed air enters the corresponding air bag 73 through the air pipe 74 and the diverter pipe 741. After the air bag 73 is inflated, its volume expands, and its lower part bulges downward and contacts the top of the metal plate located on the lower side of the feeding plate 6. The expansion pressure of the air bag 73 clamps and fixes the metal plate on one side. This flexible clamping method can avoid the rigid clamping from causing indentations or scratches on the surface of the metal plate. At the same time, it can adapt to the slight unevenness of the surface of the metal plate and ensure clamping stability. When the metal plate needs to be removed, the operator rotates the exhaust screw on the air valve 72 to open the exhaust channel. The air bag 73 retracts under its own elasticity, and the internal gas is discharged through the diverter pipe 741, the air pipe 74 and the air valve 72. The air bag 73 returns to its initial state and no longer exerts clamping force on the metal plate, making it convenient for the operator to remove the metal plate.
[0026] When the airbag 73 is not inflated, the side of it away from the bottom of the mounting groove 7300 does not protrude from the opening of the mounting groove 7300 of the feeding plate 6. This design ensures that when the operator inserts a new metal plate between the feeding plate 6 and the lower metal plate, the airbag 73 will not obstruct the insertion path of the metal plate. At the same time, it avoids friction or collision between the metal plate and the airbag 73 during the insertion process, which could cause the airbag 73 to be punctured, thus ensuring the service life of the airbag 73 and the normal use of the feeding rack.
[0027] The working principle of this embodiment is as follows: Before use, the operator manually rotates the adjusting screw 4 according to the width of the stainless steel metal plate to be stored, driving the moving plate 3 to slide horizontally along the frame 1, adjusting the interval between the moving plate 3 and the fixed plate 2 to a suitable width; then, the metal plates are placed layer by layer on the corresponding paired feeding plates 6, with the bottom metal plate simultaneously supported by the support plate 5. During the placement of the metal plates, because the uninflated air bladder 73 does not protrude from the mounting groove 7300, the metal plates can be smoothly inserted; after the metal plates are placed in place, if it is necessary to prevent the metal plates from shifting, the operator closes the air valve 72 exhaust channel. The crank handle 71 drives the air pump 7 to inject air into the airbag 73 of the target layer. After the airbag 73 expands, it bulges downward to clamp the top of the metal plate, achieving single-sided fixation. When it is necessary to feed material to the bending equipment, the exhaust screw is rotated to open the air valve 72 to exhaust the air. The airbag 73 retracts to exhaust the air, and the operator can easily take out the metal plate and transport it to the bending equipment to complete the feeding operation. The whole process adapts to different width plates by adjusting the screw 4, and achieves flexible clamping and convenient material picking through the airbag 73, effectively improving the adaptability and safety of the feeding rack, and ensuring the feeding efficiency and surface quality of the metal plate in stainless steel bending processing.
[0028] Example 2
[0029] Based on Example 1, such as Figure 3 and Figure 4 As shown, it also includes ball bearings 8. Multiple ball bearings 8 are embedded at intervals along their length within the feeding plane of both the feeding plate 6 and the pallet 5. The ball bearings 8 are made of flexible material, and their installation height is adaptively designed so that the upper and lower parts of the ball bearings 8 are located on the upper and lower sides of the feeding plane of the feeding plate 6 and pallet 5, respectively. When the metal plate is placed on the feeding plate 6 or pallet 5, the upper part of the ball bearing 8 can stably support the bottom of the metal plate above it, while the flexible material avoids scratches caused by hard contact with the surface of the metal plate. During operation... When a person inserts a new metal plate between the feeding plates 6 or takes a metal plate from the feeding plate 6, the bottom of the metal plate will contact the upper part of the ball bearing 8 on the feeding plate 6 (or support plate 5) below. During the movement of the metal plate, the ball bearing 8 can be driven to roll, which converts the sliding friction between the metal plate and the feeding plate plane into rolling friction, greatly reducing the resistance to the movement of the metal plate, realizing contact guidance of the metal plate, making the insertion and removal of the metal plate smoother, and avoiding wear on the surface of the metal plate due to friction jamming or the plate shifting due to excessive force by the operator.
[0030] like Figure 1 , Figure 2 and Figure 5As shown, it also includes a base 9 and shock-absorbing springs 91. The base 9 is elastically connected to the lower outer side of the frame 1 through several shock-absorbing springs 91. The base 9 is made of rigid material and provides a stable bottom support surface for the entire feeding rack. Several shock-absorbing springs 91 are distributed in a rectangle between the frame 1 and the base 9, and the upper and lower ends of each shock-absorbing spring 91 are fixedly connected to the lower outer side of the frame 1 and the upper inner side of the base 9, respectively. When the feeding rack is subjected to external vibration (such as vibration generated by the operation of surrounding bending equipment) during use, or when the operator places or picks up metal plates and impacts the feeding rack, the shock-absorbing springs 91 can absorb the vibration and impact energy through their own elastic deformation, preventing the vibration from being transmitted to the metal plate on the feeding plate 6 and causing the plate to shift. At the same time, it reduces the long-term wear and tear on the frame 1, fixed plate 2 and other structures caused by vibration, extends the overall service life of the feeding rack, and ensures the stability of the feeding process.
[0031] like Figure 1 and Figure 2 As shown, it also includes handles 10. Handles 10 are symmetrically provided on the left and right sides of the base 9. The handles 10 are made of non-slip material, and their two ends are fixedly connected to the side walls of the left and right sides of the base 9, respectively. The installation position of the handles 10 is adapted to the center of gravity of the base 9. When it is necessary to move the feed rack to adapt to the position of the bending equipment, or to transport and store the feed rack, the operator can easily lift or push the feed rack by using the handles 10 on both sides of the base 9 and the force-bearing structure of the handles 10. This avoids direct contact with the frame 1 or the fixed plate 2, which may cause the hands to be scratched by the metal structure. At the same time, the symmetrical design can ensure that the feed rack is balanced during transportation, preventing the feed rack from tilting during transportation and causing the internal metal plate to slip, thus improving the convenience and safety of moving the feed rack.
[0032] It should be understood that the above description is for illustrative purposes only and is not intended to limit the present invention. Those skilled in the art will understand that variations of the present invention will be included within the scope of the claims herein.
Claims
1. A stainless steel bending feeder, comprising a frame (1) and a fixed plate (2), wherein the fixed plate (2) is vertically provided on the right side of the frame (1); Its characteristics are: It also includes a movable plate (3), an adjusting screw (4), a support plate (5), a feeding plate (6), and an airbag (73). The movable plate (3) is slidably provided on the left side of the frame (1). The top plate is set opposite to the movable plate (3). The adjusting screw (4) is provided at the bottom of the frame (1). The adjusting screw (4) is screwed to the bottom of the movable plate (3). By rotating the adjusting screw (4), the interval between the movable plate and the fixed plate (2) is adjusted. The fixed plate (2) and the movable plate (3) are both provided with feeding plates (6) arranged vertically on opposite sides. The feeding plates (6) on the fixed plate (2) and the movable plate (3) correspond one-to-one. (2) A support plate (5) is fixedly provided on the lower part of the side opposite to the moving plate (3). The feeding plate (6) and the support plate (5) are both provided with a feeding plate plane. The feeding plate (6) and the support plate (5) on the fixed plate (2) and the moving plate (3) are symmetrically arranged on the left and right. The feeding plate planes of the feeding plates (6) on the same left and right line are at the same horizontal height. The feeding plate (6) on the fixed plate (2) is provided with an installation groove (7300) at the bottom. An air bag (73) is provided in the installation groove (7300). It is used to provide an air injection component on the fixed plate (2) and to inject or deflate the air bag (73) through the air injection component.
2. The stainless steel bending feeder as described in claim 1, characterized in that: The air injection assembly includes an air pump (7), a crank handle (71), an air valve (72), an air pipe (74), and a diverter pipe (741). The air pump (7) is located on the upper right side of the fixed plate (2). The air pump (7) is equipped with a crank handle (71). The air valve (72) is located on the pump body of the air pump (7). The air valve (72) is equipped with an exhaust screw. The air outlet of the air valve (72) is connected to the air pipe (74). Several diverter pipes (741) are connected to the air pipe (74). The number of diverter pipes (741) is the same as the number of material discharge plates (6) on the fixed plate (2). Each diverter pipe (741) is connected to the internal space of an air bladder (73). When the air bladder (73) is injected with air by the air pump (7), the lower part of the air bladder (73) bulges downward and clamps the top of the metal plate located below it on one side.
3. The stainless steel bending feeder as described in claim 2, characterized in that: When the airbag (73) is not inflated, the side of it away from the bottom of the mounting groove (7300) does not protrude from the mounting groove (7300) of the discharge plate (6).
4. The stainless steel bending feeder as described in claim 3, characterized in that: It also includes ball bearings (8), and multiple ball bearings (8) are embedded at intervals along the length direction of both the feeding plate (6) and the pallet (5).
5. A stainless steel bending feeder as described in claim 4, characterized in that: It also includes a base (9) and shock-absorbing springs (91). The base (9) is elastically connected to the lower outer side of the frame (1) by several shock-absorbing springs (91), and the several shock-absorbing springs (91) are distributed in a rectangular shape.
6. The stainless steel bending feeder as described in claim 5, characterized in that: It also includes handles (10), with handles (10) symmetrically provided on the left and right sides of the base (9).