Punch forming device for curved plate of metal furniture

Abstract

The invention relates to the technical field of furniture, in particular to a metal furniture curved plate punch forming device which comprises a punching seat and a punching head arranged at the top of the seat body, the punching seat is composed of at least two seat bodies capable of moving in the length direction of a pressing groove, and a bearing roller is arranged between every two adjacent seat bodies. According to the punching base for punching, the multiple base bodies which can be separated in the length direction of the pressing groove form the punching base for punching, so that when the punching head conducts punching, the plate can be punched and formed in the complete pressing groove, and the plate can be punched and formed in the complete pressing groove; and after the punching head is reset, all the seat bodies are separated, so that the bearing rollers between the adjacent seat bodies can jack up the formed plate, and the formed plate can be conveyed out by the bearing rollers in a sliding manner in the pressing groove, so that the formed plate is prevented from being directly contacted with the pressing groove to be abraded when being moved out.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of furniture, in particular to a metal furniture curved panel stamping forming device. BACKGROUND

[0002] Metal furniture is a kind of furniture made of metal plates and pipes, supplemented by wood, various types of artificial boards, glass, stone, etc. Various metal plates are needed in the production process of metal furniture. Some metal plates need to be stamped into curved surfaces to improve safety and convenience during use.

[0003] Currently, there are the following problems when stamping the curved panel of metal furniture: During the stamping process of metal plates, various shape and size forming operations are usually performed on the plates using stamping equipment. These stamping equipment often includes a stamping table with a pressure groove on it for fixing and positioning the plate to be stamped. During the stamping process, the stamping head exerts a large pressure on the plate, causing plastic deformation, thus achieving the desired shape and size.

[0004] However, after stamping is completed, when the formed plate needs to be removed from the stamping table, some problems often occur. Because the metal plate is in close contact with the pressure groove during the stamping process, and there is some friction between the plate and the pressure groove when it is removed, the surface of the plate is easily worn, which not only affects the appearance quality of the product, but also may have adverse effects on the performance and service life of the product.

[0005] Chinese patent CN113333553B relates to a metal furniture curved panel stamping forming machine, which includes a horizontal bottom plate, a guide sleeve mounted on the bottom plate through a support, an inclined plate installed in the guide sleeve, and a pressure block installed on the top surface of the inclined plate. A wedge-shaped block is installed on the bottom plate, and a U-shaped frame is installed on the upper surface of the bottom plate. The bottom surface of the horizontal section of the U-shaped frame is installed with two guide plates, and a stamping block is slidingly installed between the two guide plates. The stamping block is connected to the horizontal section of the U-shaped frame through a return spring.

[0006] The forming machine holds and shapes the plate through two independent pressure blocks. After stamping is completed, the two pressure blocks are separated from the metal plate along the inclined path, and during the separation process, the pressure blocks do not slide relative to the metal plate, avoiding damage to the surface of the plate. However, the two pressure blocks are combined together along the width direction of the pressure groove to form a complete pressure groove, and the stamping force of the stamping block is very large, which can easily cause the two combined pressure blocks to separate or deform, resulting in the inability to accurately stamp the curved panel that meets the standard. SUMMARY

[0007] To solve the above problems, the metal furniture curved panel stamping forming device is composed of a plurality of seat bodies which can be separated along the length direction of the pressing groove for stamping, so that the stamping head can stamp the panel in the complete pressing groove during stamping, and after the stamping head is reset, all the seat bodies are separated, so that the supporting rollers between the adjacent seat bodies can lift the formed panel, and the formed panel can be slid out by the supporting rollers in the pressing groove, thereby avoiding the wear of the formed panel when moving out due to direct contact with the pressing groove. In addition, this design also solves the problem that the two pressure blocks which are opened and closed along the width direction of the pressing groove are easily separated or deformed under force.

[0008] To solve the above problems, the metal furniture curved panel stamping forming device is composed of a plurality of seat bodies which can be separated along the length direction of the pressing groove for stamping, so that the stamping head can stamp the panel in the complete pressing groove during stamping, and after the stamping head is reset, all the seat bodies are separated, so that the supporting rollers between the adjacent seat bodies can lift the formed panel, and the formed panel can be slid out by the supporting rollers in the pressing groove, thereby avoiding the wear of the formed panel when moving out due to direct contact with the pressing groove. In addition, this design also solves the problem that the two pressure blocks which are opened and closed along the width direction of the pressing groove are easily separated or deformed under force.

[0009] Preferably, the two sides of the seat body along the length direction of the pressing groove are provided with a receiving groove capable of accommodating the supporting roller, and when the adjacent seat bodies are separated, the supporting roller moves from the receiving groove to the pressing groove.

[0010] Preferably, there are two supporting rollers between the adjacent seat bodies, and the two supporting rollers are symmetrically arranged with respect to the vertical diameter direction of the pressing groove and arranged in a "V" shape between the pressing grooves.

[0011] Preferably, a guide mechanism is arranged between the adjacent seat bodies, the guide mechanism comprises a support capable of moving into the pressing groove, and the supporting roller is rotatably arranged in the support, and when the adjacent seat bodies are separated, the support drives the supporting roller to move into the pressing groove along with the separation of the seat bodies.

[0012] Preferably, the guide mechanism further comprises two swing arms arranged between the adjacent seat bodies, the two swing arms are rotatably connected and form a hinge point, the other end of the two swing arms is rotatably connected with the seat body connected therewith, a top arm is arranged at the hinge point, and the support is fixedly arranged on the top arm.

[0013] Preferably, a linkage mechanism is arranged between the seat body and the stamping head, and when the stamping head moves upward, the linkage mechanism drives all the seat bodies to separate.

[0014] Preferably, the linkage mechanism comprises a scissors frame arranged at the bottom of the seat body, the scissors frame having cross points capable of moving at equal intervals, the seat body being rotationally connected to one cross point, the linkage mechanism further comprising a trigger assembly arranged on the punching head, and an execution assembly arranged on the seat body adjacent to the scissors frame at the middle position, when the trigger assembly moves in the longitudinal direction, the execution assembly drives the adjacent seat body to approach and abut.

[0015] Preferably, the execution assembly comprises a guide arm arranged on the seat body at both sides of the middle position of the scissors frame, the trigger assembly comprises a cantilever arranged on the punching head, and a trigger plate arranged on the cantilever and extending downward, the trigger plate having an inclined slope, the guide arm being slidingly arranged on the inclined slope.

[0016] Preferably, a reset elastic element extending in the length direction of the pressing groove is arranged between the adjacent seat bodies.

[0017] Preferably, the trigger plate and the cantilever are slidingly connected in the length direction of the pressing groove, and a buffer elastic element is arranged between the trigger plate and the cantilever.

[0018] The beneficial effects of the present application compared with the prior art are: The present application is composed of a plurality of seat bodies capable of being separated in the length direction of the pressing groove for punching, so that when the punching head is punching, the plate material can be punched and formed in the complete pressing groove, after the punching head is reset, all the seat bodies are separated, so that the supporting rollers between the adjacent seat bodies can lift the formed plate material, in this way, the formed plate material can be slid out by the supporting rollers in the pressing groove, thereby avoiding the wear of the formed plate material when moving out due to direct contact with the pressing groove. In addition, this design also solves the problem that the two pressure blocks opened and closed along the width direction of the pressing groove are easily separated or deformed under force in the existing plate bending forming machine. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of a metal furniture curved plate punching forming device from a first perspective.

[0020] Figure 2 It is a perspective view of a metal furniture curved plate punching forming device from a second perspective.

[0021] Figure 3 It is a schematic view of a metal furniture curved plate punching forming device when the seat bodies are combined.

[0022] Figure 4 It is a schematic view of a metal furniture curved plate punching forming device when the seat bodies are separated.

[0023] Figure 5 It is a partial perspective exploded view of a metal furniture curved plate punching forming device.

[0024] Figure 6 is a perspective view of the seat body of the metal furniture curved panel stamping forming device.

[0025] Figure 7 is a perspective view of the seat body of the metal furniture curved panel stamping forming device.

[0026] Figure 8 is a perspective exploded view of the seat body of the metal furniture curved panel stamping forming device.

[0027] Figure 9 is a perspective view of the guide mechanism of the metal furniture curved panel stamping forming device.

[0028] In the figure, the reference signs are: 11, seat body; 111, storage groove; 2, stamping head; 3, supporting roller; 41, support; 42, swing arm; 43, top arm; 51, scissor frame; 521, cantilever; 522, trigger plate; 523, fixed rod; 531, guide arm; 532, rotating wheel; 54, reset elastic element; 55, buffer elastic element. DETAILED DESCRIPTION

[0029] In order to further understand the features, technical means and specific purposes and functions achieved by the present application, the present application is described in further detail below in combination with the drawings and specific embodiments.

[0030] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides: A metal furniture curved panel stamping forming device, comprising a stamping seat and a stamping head 2 arranged at the top of the seat body 11, characterized in that the stamping seat is composed of at least two seat bodies 11 capable of moving along the length direction of the pressing groove, and supporting rollers 3 are arranged between adjacent seat bodies 11, which can move into the pressing groove of the seat body 11 and support the formed panel when the adjacent seat bodies 11 are separated, and all the seat bodies 11 abut to form a complete pressing groove matched with the stamping head 2.

[0031] In operation, first, the panel is placed horizontally at the top end of the stamping seat. The driving mechanism (such as a hydraulic cylinder) is started, the stamping head 2 is connected with the driving end of the hydraulic drive, and moves downward to press the panel. When all the seat bodies 11 abut to each other, a complete pressing groove is formed, so that the panel is stamped and formed under the joint action of the stamping head 2 and the pressing groove.

[0032] After stamping, the stamping head 2 is reset, and then all the seat bodies 11 are separated. This enables the supporting roller 3 to move into the pressing groove and lift the formed panel upward, so as to lift it away from the pressing groove. When the formed panel is pulled away, the supporting roller 3 rolls, avoiding the possible wear caused by the panel sliding directly in the pressing groove.

[0033] The stamping seat in this embodiment is designed uniquely, composed of several seat bodies 11 that can be separated along the length direction of the pressing groove. This structure not only improves the flexibility of the stamping process, but also enhances the durability of the stamping seat. When the stamping head 2 is stamping, these seat bodies 11 can tightly abut each other to form a complete pressing groove, providing a stable and uniform stamping environment for the plate. This ensures that the plate can be accurately stamped and formed in the pressing groove, meeting the production requirements of high precision and high efficiency.

[0034] When the stamping head 2 completes stamping and resets, these seat bodies 11 will automatically separate, providing the necessary space for the lifting action of the supporting roller 3. This design avoids the direct friction between the supporting roller 3 and the pressing groove in traditional stamping machines, reducing the wear of the plate during removal. In addition, due to the action of the supporting roller 3, the formed plate can be easily sent out in a sliding manner in the pressing groove, which not only improves the production efficiency, but also reduces the labor intensity of the operators.

[0035] It is worth mentioning that the design of this embodiment also solves the problem that the two pressure blocks which open and close along the width direction of the pressing groove are easily separated or deformed in existing forming machines. The traditional pressure block design often appears to be separated or deformed when subjected to a large pressure, which not only affects the precision of stamping, but also may cause damage to the equipment. The seat body 11 design in this embodiment effectively disperses the pressure during stamping through its unique structure and connection method, making the pressure block work more stably and improving the stability and service life of the equipment.

[0036] In summary, the stamping seat design of this embodiment not only improves the precision and efficiency of the stamping process, but also solves the problems existing in traditional stamping machines, providing strong support for the development of modern manufacturing industry.

[0037] As shown in Figure 6 and Figure 7 , the seat body 11 is provided with a receiving groove 111 on both sides along the length direction of the pressing groove, which can accommodate the supporting roller 3. When the adjacent seat bodies 11 are separated, the supporting roller 3 moves from the receiving groove 111 to the pressing groove.

[0038] By setting the receiving groove 111 on both sides of the seat body 11, when the adjacent seat bodies 11 abut each other, the supporting roller 3 can be placed in the receiving groove 111, thereby avoiding the influence of the supporting roller 3 on the plate forming during stamping. When the seat bodies 11 are arranged at equal intervals, the supporting roller 3 can freely move out of the receiving groove 111 and move towards the pressing groove, thereby supporting the formed plate. This design allows the plate to slide out from the side of the pressing groove when the formed plate is removed, and the rolling friction replaces the sliding friction, effectively reducing the friction damage between the plate and the pressing groove.

[0039] This design of the receiving groove 111 not only solves the positioning problem of the supporting roller 3 during the stamping process, but also improves the precision and quality of the plate forming. When the seat body 11 is tightly abutted, the supporting roller 3 is placed in the receiving groove 111, ensuring that the roller does not come into contact with the plate during the stamping process, thereby avoiding possible interference and forming defects.

[0040] When the seat body 11 is separated, the supporting roller 3 can be easily removed from the receiving groove 111 and accurately directed towards the pressing groove direction, providing stable support for the forming plate. This design not only ensures the smooth progress of the stamping process, but also allows the plate to easily slide out from the side of the pressing groove when it is pulled out. Compared with traditional sliding friction, rolling friction reduces the frictional resistance between the plate and the pressing groove, effectively reducing the wear and tear on the plate surface and improving the overall quality of the product.

[0041] As shown in Figure 7 , there are two supporting rollers 3 between adjacent seat bodies 11, which are symmetrically arranged relative to the vertical radial direction of the pressing groove and arranged in a "V" shape between the pressing grooves.

[0042] The two supporting rollers 3 are symmetrically arranged in a "V" shape between the two seat bodies 11, which not only ensures the central position of the forming plate in the pressing groove, but also facilitates the reduction of friction with the pressing groove when it is pulled out. When the two seat bodies 11 are separated, the supporting roller 3 moves to the pressing groove, thereby lifting the forming plate in it and allowing it to smoothly separate from the pressing groove.

[0043] This "V" shaped symmetric design of the supporting roller 3 configuration not only improves the precision of the stamping process, but also solves the problem of plate position deviation in traditional design. By ensuring the central position of the forming plate in the pressing groove, it effectively avoids the possible deviation or inclination of the plate during the stamping process, thereby ensuring the stability and consistency of the finished product.

[0044] In addition, this design also takes into account the smoothness of the plate when it is pulled out. Since the supporting rollers 3 are symmetrically arranged in a "V" shape, they can evenly share the stress of the plate when it is pulled out, reducing the friction between the plate and the pressing groove. This not only reduces the wear on the plate surface, but also improves the efficiency of the pulling-out process.

[0045] When the two seat bodies 11 are separated, the supporting roller 3 automatically moves to the pressing groove and uses its lifting function to smoothly separate the forming plate from the pressing groove. This design not only simplifies the operation process, but also improves the safety and stability of the stamping process.

[0046] As shown in Figure 8 and Figure 9As shown, a guide mechanism is arranged between the adjacent seat bodies 11, which includes a support 41 capable of moving into the pressing groove, and a supporting roller 3 is rotatably arranged in the support 41, and when the adjacent seat bodies 11 are separated, the support 41 drives the supporting roller 3 to move into the pressing groove along with the separation of the seat bodies 11.

[0047] By arranging the guide mechanism between the adjacent seat bodies 11, when the seat bodies 11 abut each other, the support 41 can drive the supporting roller 3 to be stored in the storage groove 111, ensuring that it does not affect the bending forming of the plate. When the seat bodies 11 are separated from each other, the support 41 drives the supporting roller 3 to move into the pressing groove, so that it can be lifted to form a plate, thereby conveniently and abrasion-free separating the formed plate from the pressing groove.

[0048] As shown, Figure 8 The guide mechanism further includes two swing arms 42 arranged between the adjacent seat bodies 11, which are rotatably connected between the two swing arms 42 and form a hinge point, and the other end of the two swing arms 42 is rotatably connected with the seat body 11 connected thereto. A top arm 43 is arranged at the hinge point, and the support 41 is fixedly arranged on the top arm 43.

[0049] When the seat bodies 11 abut each other, the hinge points connected by the two swing arms 42 will move away from the pressing groove, and then the top arm 43 will drive the support 41 away from the pressing groove, so that the supporting roller 3 mounted on the support 41 can be stored in the storage groove 111, thereby avoiding the influence of the supporting roller 3 on the bending forming of the plate.

[0050] On the contrary, when the seat bodies 11 move away from each other, the hinge points connected by the two swing arms 42 will move close to the pressing groove, and then the top arm 43 will drive the support 41 to approach the pressing groove, so that the supporting roller 3 mounted on the support 41 can approach the pressing groove. In this way, the supporting roller 3 can lift the formed plate in the pressing groove, ensuring that the plate can be separated from the pressing groove without abrasion.

[0051] As shown, Figure 2 and Figure 5 A linkage mechanism is arranged between the seat bodies 11 and the stamping head 2, which drives all the seat bodies 11 to separate when the stamping head 2 moves upward.

[0052] By arranging the linkage mechanism between the seat bodies 11 and the stamping head 2, when the stamping head 2 moves upward, all the seat bodies 11 can automatically separate, so that the adjacent supporting rollers 3 can lift the formed plate in the pressing groove, realizing continuous stamping and blanking. When the stamping head 2 descends, the linkage mechanism guides the seat bodies 11 to abut each other to form a complete pressing groove, so as to complete the stamping process of the plate.

[0053] As shown, Figure 5As shown, the linkage mechanism comprises a scissors frame 51 arranged at the bottom of the seat body 11, the scissors frame 51 has cross points capable of moving at equal intervals, the seat body 11 is rotationally connected to one cross point, the linkage mechanism further comprises a trigger assembly arranged on the punching head 2, and an execution assembly arranged on the adjacent seat body 11 at the middle position of the scissors frame 51, when the trigger assembly moves longitudinally, the execution assembly drives the adjacent seat body 11 to approach and abut.

[0054] By arranging the scissors frame 51 at the bottom of the seat body 11, all the cross points of the scissors frame 51 can stretch and contract at equal intervals. Each seat body 11 is rotationally connected to one cross point, ensuring that all the seat bodies 11 can approach or separate at equal intervals during the stretching and contracting of the scissors frame 51. When the punching head 2 moves downward, it will first drive the trigger assembly, which in turn drives the execution assembly to approach each other. This series of actions enables the adjacent seat bodies 11 to approach at equal intervals until all the seat bodies 11 abut each other, forming a complete pressing groove.

[0055] As shown in Figure 8 and Figure 9 , the execution assembly comprises guide arms 531 arranged on the seat bodies 11 at both sides of the middle position of the scissors frame 51, and the trigger assembly comprises a cantilever arm 521 arranged on the punching head 2, and a trigger plate 522 arranged on the cantilever arm 521 and extending downward, the trigger plate 522 has an inclined slope, and the guide arms 531 are slidingly arranged on the inclined slope.

[0056] The outer end of the guide arm 531 is provided with a rotating wheel 532, which abuts on the inclined slope to reduce friction.

[0057] When the punching head 2 drives the trigger plate 522 to move downward through the cantilever arm 521, the slope of the trigger plate 522 enables the two guide arms 531 to approach each other. There is one seat body 11 at each cross point of the scissors frame 51, and the two seat bodies 11 approach each other as the guide arms 531 approach, until the seat bodies 11 completely abut, forming a complete pressing groove. In this way, the pressing groove cooperates with the punching head 2 to realize the punching forming of the plate.

[0058] As shown in Figure 6 , a reset elastic element 54 extending in the length direction of the pressing groove is arranged between the adjacent seat bodies 11.

[0059] By arranging the reset elastic element 54 extending in the length direction of the pressing groove between the adjacent seat bodies 11, the seat bodies 11 need to overcome the elastic force of the reset elastic element 54 when abutting each other, and the trigger plate 522 can stably enable the two guide arms 531 to approach each other when moving downward. When the punching head 2 drives the trigger plate 522 to reset, the elastic force of the reset elastic element 54 enables the adjacent seat bodies 11 to separate at equal intervals, so that the supporting roller 3 can lift the formed plate, thereby facilitating the non-wearing cutting of the plate.

[0060] As shown in Figure 5 The trigger plate 522 is slidably connected with the cantilever 521 along the length direction of the pressing groove, and a buffer elastic element 55 is arranged between the trigger plate 522 and the cantilever 521.

[0061] A fixing rod 523 is arranged on the cantilever 521, and the fixing rod 523 slidably penetrates the trigger plate 522.

[0062] By slidably connecting the trigger plate 522 with the cantilever 521 along the length direction of the pressing groove and arranging the buffer elastic element 55 between the trigger plate 522 and the cantilever 521, even if the trigger plate 522 continues to be pressed after the seat bodies 11 completely abut against each other, the buffer elastic element 55 can avoid the cantilever 521 directly applying the pressing rigidity to the trigger plate 522, thereby improving the stability of the structure.

[0063] The above embodiments only express one or several embodiments of the present application, and the description is relatively specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A stamping device for forming curved sheet metal for metal furniture, comprising a stamping seat and a stamping head (2) arranged on the top of the seat (11), characterized in that: The punching seat is composed of at least two seat bodies (11) that can move along the length direction of the pressing groove. A supporting roller (3) is provided between adjacent seat bodies (11). When the adjacent seat bodies (11) are separated, the supporting roller (3) can move into the pressing groove of the seat body (11) and support the formed plate. All the seat bodies (11) are in contact with each other to form a complete pressing groove that matches the punching head (2).

2. The metal furniture curved plate stamping and forming device according to claim 1, characterized in that: The seat body (11) is provided with receiving grooves (111) capable of accommodating the supporting roller (3) on both sides along the length direction of the pressing groove. When adjacent seat bodies (11) are separated, the supporting roller (3) moves from the receiving grooves (111) to the pressing groove.

3. The metal furniture curved plate stamping and forming device according to claim 2, characterized in that: Two supporting rollers (3) are arranged between adjacent seat bodies (11). The two supporting rollers (3) are symmetrically arranged relative to the vertical diameter direction of the pressing groove and are arranged in a "V" shape between the pressing grooves.

4. The metal furniture curved sheet material stamping and forming device according to claim 3, characterized in that: A guiding mechanism is provided between adjacent seat bodies (11), the guiding mechanism comprising a support (41) capable of moving into the pressure groove, the supporting roller (3) being rotatably provided in the support (41), and when the adjacent seat bodies (11) are separated, the support (41) drives the supporting roller (3) to move into the pressure groove as the seat bodies (11) are separated.

5. The metal furniture curved plate stamping and forming device according to claim 4, characterized in that: The guide mechanism further comprises two swing arms (42) arranged between adjacent base bodies (11), the two swing arms (42) being rotatably connected to each other and forming a hinge point, the other ends of the two swing arms (42) being rotatably connected to the base bodies (11) connected thereto, a top arm (43) being arranged at the hinge point, and the support (41) being fixedly arranged on the top arm (43).

6. A metal furniture curved sheet material stamping and forming device according to any one of claims 1 to 5, characterized in that: A linkage mechanism is provided between the seat body (11) and the punch head (2); when the punch head (2) moves upward, the linkage mechanism drives all the seat bodies (11) to separate.

7. The metal furniture curved plate stamping and forming device according to claim 6, characterized in that: The linkage mechanism includes a scissor frame (51) arranged at the bottom of the seat body (11), the scissor frame (51) has intersections that can move at equal intervals, and the seat body (11) is rotatably connected to a corresponding intersection. The linkage mechanism also includes a trigger component arranged on the punch head (2), and an actuator component arranged on the seat body (11) adjacent to the center position of the scissor frame (51). When the trigger component moves in the longitudinal direction, the actuator component drives the adjacent seat body (11) to approach and abut.

8. The metal furniture curved plate stamping and forming device according to claim 7, characterized in that: The actuator assembly includes a guide arm (531) provided on a seat body (11) on both sides of the center position of the scissor frame (51), and the trigger assembly includes a cantilever (521) provided on the punch head (2), and a trigger plate (522) provided on the cantilever (521) and extending downward, wherein the trigger plate (522) has an inclined surface, and the guide arm (531) is slidably provided on the inclined surface.

9. The metal furniture curved plate stamping and forming device according to claim 8, characterized in that: A resetting elastic element (54) extending in the length direction of the pressing groove is provided between adjacent seat bodies (11).

10. The metal furniture curved plate stamping and forming device according to claim 8, characterized in that: The trigger plate (522) and the cantilever (521) are slidably connected along the length direction of the pressing groove, and a buffer elastic element (55) is provided between the trigger plate (522) and the cantilever (521).

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