Metal plate bending equipment

Abstract

The utility model discloses a metal plate bending device, which relates to the technical field of metal plate processing and comprises a frame provided with a slide rail. The base can be connected to the sliding rail in a sliding mode in the left-right direction, a guide groove is formed in the base, and the length direction of the guide groove is parallel to the front-back direction; the guide block can be inserted into the guide groove, so that the base can support the lower die, and the guide block can move in the front-back direction and can be pulled out of the guide groove, so that the lower die is separated from the base; the fixing mechanism is arranged on the base, and the lower die can be fixed to the base through the fixing mechanism; and the lifting driving mechanism can drive the upper die to descend and be assembled on the lower die, so that the upper die and the lower die bend the metal plate. According to the metal plate bending equipment, the lower die does not need to be pulled out from the long sliding rail to be replaced, the time needed for replacing the lower die is shortened, the replacement efficiency of the lower die is improved, and the shutdown time of the metal plate bending equipment is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of metal plate processing, in particular to a metal plate bending device. Background Art

[0002] Sheet metal bending equipment, commonly known as a press brake, is a type of mechanical equipment specifically designed for sheet metal processing. It can precisely bend sheet metal into the desired angle and shape. Sheet metal bending equipment typically includes an upper die, a lower die, and a slide rail. The lower die is movably connected to the slide rail. The upper and lower dies can close together and bend the sheet metal to complete the bending process. In the prior art, different lower dies are typically used to produce sheet metal products of different specifications. To replace the corresponding lower die for a sheet metal product, the operator first shuts down the sheet metal bending equipment and then uses a specialized tool to release the lower die from the slide rail. The operator then pushes the lower die on the slide rail, removing it from the slide rail to complete the removal. After the lower die is removed, the operator slides the corresponding lower die back into the slide rail and securely connects it to the slide rail to complete the installation and replacement of the lower die. Since the slide rail is long, the operator needs to move a long distance and take a certain amount of time to pull the lower die out of the slide rail, which not only reduces the efficiency of changing the lower die, but also increases the downtime of the metal plate bending equipment. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a metal plate bending device that can improve the replacement efficiency of the lower die and shorten the downtime of the metal plate bending device.

[0004] According to the metal plate bending equipment of the embodiment of the present invention, it includes: a frame, a slide rail is provided on the frame, and the slide rail is parallel to the left and right directions; a base, the base can be connected to the slide rail in a sliding manner along the left and right directions, a guide groove is formed on the base, and the length direction of the guide groove is parallel to the front and back directions; a lower mold is provided on the lower mold with a guide block that cooperates with the guide groove, the guide block can be inserted into the guide groove so that the base can support the lower mold, and the guide block can move along the front and back directions and be pulled out of the guide groove so that the lower mold The mold is detached from the base; a fixing mechanism, the fixing mechanism is arranged on the base, and the fixing mechanism can fix the lower mold on the base; an upper mold and a lifting drive mechanism, the lifting drive mechanism is arranged on the frame, the upper mold is arranged above the base and the lower mold, the upper mold is connected to the output end of the lifting drive mechanism, and the gap between the upper mold and the lower mold is used for the metal plate to extend into, and the lifting drive mechanism can drive the upper mold to descend and close the mold to the lower mold, so that the upper mold and the lower mold bend the metal plate.

[0005] It has at least the following beneficial effects:

[0006] To remove the lower die from the base, the operator manipulates the fixing mechanism to loosen the die. Then, they push the die from front to back or back to front, allowing the guide block on the die to be pulled out of the guide slot on the base. This allows the die to be disconnected from the base, completing the removal. To install the lower die, the operator aligns the guide block on the die with the guide slot on the base. Then, they move the die from front to back or back to front, inserting the guide block into the slot and allowing the base to support the die. The operator then manipulates the fixing mechanism to securely connect the die to the base, completing the installation and replacement of the die. To remove the die, the operator simply loosens the fixing mechanism and pushes the die a short distance. To install the die, the operator simply moves the die a short distance and manipulates the fixing mechanism. The replacement of the lower die in the metal plate bending equipment does not require the lower die to be pulled out from the longer slide rail, which shortens the time required for replacing the lower die. This not only improves the replacement efficiency of the lower die, but also shortens the downtime of the metal plate bending equipment.

[0007] According to the metal plate bending equipment of an embodiment of the present invention, a limit block is provided on the front end of the base, and the limit block can abut against the lower die so that the lower die can be aligned with the upper die.

[0008] According to the metal plate bending equipment of an embodiment of the present invention, the fixing mechanism includes two clamping components, and the two clamping components are respectively arranged on the left and right ends of the base, and the two clamping components are used to press the lower mold onto the base.

[0009] According to the metal plate bending equipment of the embodiment of the present invention, the clamping assembly includes a pressure block, a pressure rod, a swing arm, a transmission member and a support, the support is arranged on the base, a guide hole is opened on the support, the pressure rod is passed through the guide hole, the lower end of the swing arm is hinged to the support, the upper end of the swing arm is hinged to the middle part of the transmission member, the lower end of the transmission member is hinged to the upper end of the pressure rod, the lower end of the pressure rod is connected to the pressure block, the gap between the pressure block and the base is used for the lower mold to extend into, and the middle part of the transmission member can swing in the direction away from the base, so that the transmission member drives the pressure rod to descend, and the pressure block presses the lower mold to the base.

[0010] According to the metal plate bending equipment of an embodiment of the present invention, the pressing assembly further includes a flexible pad, and the pressing block presses and fixes the lower die on the base through the flexible pad.

[0011] According to the metal plate bending equipment of an embodiment of the present invention, the clamping assembly also includes a gripping portion, one end of which is connected to the transmission member, and the other end of the gripping portion can be swung toward the direction close to the base so that the transmission member drives the pressure rod to descend.

[0012] According to the metal plate bending equipment of an embodiment of the present invention, it also includes a metal plate positioning mechanism, which is arranged on the frame, and the output end of the metal plate positioning mechanism is used to abut against the metal plate so that the bending area on the metal plate can be aligned with the lower mold.

[0013] According to the metal plate bending equipment of an embodiment of the present invention, the metal plate positioning mechanism includes a linear drive component and a positioning block, the linear drive component is arranged on the frame, the positioning block is arranged in the front and upper part of the upper mold, the positioning block is connected to the output end of the linear drive component, the linear drive component is used to drive the positioning block to move in the front and rear directions so that the distance between the positioning block and the lower mold in the front and rear directions can be changed, and the positioning block is used to abut against the metal plate so that multiple bending areas on the metal plate can be aligned with the lower mold.

[0014] According to the metal plate bending equipment of the embodiment of the present invention, it also includes a lamp, which is arranged on the frame and is used to illuminate the lower mold.

[0015] The metal plate bending equipment according to the embodiment of the present invention further includes a clamp, which is connected to the lamp, and the lamp is clamped and fixed on the frame by the clamp.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic structural diagram of a metal plate bending device according to an embodiment of the present utility model;

[0019] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0020] Figure 3 This is a structural diagram of the base, lower die and fixing mechanism in the metal plate bending equipment according to an embodiment of the present invention;

[0021] Figure 4 This is a structural schematic diagram of a clamping assembly in a metal plate bending device according to an embodiment of the present invention in a clamping state;

[0022] Figure 5 This is a structural schematic diagram of a metal plate bending device according to an embodiment of the present invention, in which a pressing assembly is in a released state;

[0023] Figure 6 This is a schematic structural diagram of a metal plate according to an embodiment of the present utility model;

[0024] Figure 7 This is a top view schematic diagram of the metal plate, lower die and positioning holes in the metal plate bending equipment of an embodiment of the present utility model;

[0025] Reference numerals:

[0026] Frame 100; slide rail 110; lifting drive mechanism 120;

[0027] Upper mold 200; forming portion 210;

[0028] Base 300; guide groove 310; limit block 320;

[0029] Lower mold 400; forming groove 410; guide block 420;

[0030] Fixing mechanism 500; pressing assembly 510; pressing block 511; pressing rod 512; swing arm 513; transmission member 514; support 515; gripping portion 516;

[0031] Metal plate positioning mechanism 600 ; linear drive assembly 610 ; positioning block 620 . DETAILED DESCRIPTION

[0032] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0033] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0034] In the description of this utility model, "a plurality" means more than two. The use of "first" or "second" is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features indicated, or implicitly indicating the order of the technical features indicated.

[0035] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0036] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.

[0037] refer to Figures 1 to 3 The metal plate bending equipment of the present invention includes a frame 100, a base 300, a lower die 400, a fixing mechanism 500, an upper die 200 and a lifting drive mechanism 120.

[0038] The frame 100 is provided with a slide rail 110, which is parallel to the left and right directions; the base 300 can be slidably connected to the slide rail 110 along the left and right directions, and a guide groove 310 is formed on the base 300, and the length direction of the guide groove 310 is parallel to the front and back directions; the lower mold 400 is provided with a guide block 420 that cooperates with the guide groove 310, and the guide block 420 can be inserted into the guide groove 310 so that the base 300 can support the lower mold 400, and the guide block 420 can move along the front and back directions and be pulled out from the guide groove 310 to disconnect the lower mold 400 from the base 300. The fixing mechanism 500 is provided on the base 300, and the fixing mechanism 500 can fix the lower mold 400 on the base 300; the lifting drive mechanism 120 is provided on the frame 100, and the upper mold 200 is provided above the base 300 and the lower mold 400. The upper mold 200 is connected to the output end of the lifting drive mechanism 120, and the gap between the upper mold 200 and the lower mold 400 is used for the metal plate to extend into. The lifting drive mechanism 120 can drive the upper mold 200 to descend and close the mold with the lower mold 400, so that the upper mold 200 and the lower mold 400 can bend the metal plate.

[0039] A slide rail 110 is connected to the frame 100, and a slide groove that cooperates with the slide rail 110 may be formed on the base 300, so that the base 300 can be slidably connected to the slide rail 110 on the frame 100 in the left-right direction. When the operator needs to adjust the position of the base 300 on the slide rail 110, the operator can push the base 300 to slide left and right on the slide rail 110. After the position adjustment of the base 300 is completed, the operator can tighten the bolts used to fix the base 300 so that the base 300 is fixed to the slide rail 110. A guide groove 310 parallel to the front-to-back direction is formed on the base 300, and a guide block 420 that cooperates with the guide groove 310 is provided on the lower mold 400. The guide block 420 can be inserted into the guide groove 310, thereby realizing a detachable connection between the lower mold 400 and the base 300. The cross-sections of the guide block 420 and the guide groove 310 can both be a trapezoid with a short top and a long bottom, so that the inner wall of the guide groove 310 can not only guide the movement of the guide block 420, but also limit the guide block 420 and the lower mold 400 in the vertical and left and right directions. A fixing mechanism 500 is also provided on the base 300, and the fixing mechanism 500 can fix the lower mold 400 on the base 300 to ensure that the lower mold 400 does not shake during the bending process. The lifting drive mechanism 120 can be a power component such as a cylinder or a hydraulic system that can drive the object to be lifted. The lifting drive mechanism 120 is connected to the frame 100, and the upper mold 200 is connected to the output end of the lifting drive mechanism 120, so that the lifting drive mechanism 120 can drive the upper mold 200 to descend when bending is required, and also enables the lifting drive component to drive the upper mold 200 to rise after bending is completed.

[0040] It is understood that when the lower mold 400 needs to be removed from the base 300, the operator can operate the fixing mechanism 500 to loosen the lower mold 400, then push the lower mold 400 from front to back or from back to front, so that the guide block 420 on the lower mold 400 is withdrawn from the guide groove 310 on the base 300, thereby disconnecting the lower mold 400 from the base 300, and completing the removal of the lower mold 400. When the lower mold 400 needs to be installed, the operator can align the guide block 420 on the lower mold 400 with the guide groove 310 on the base 300, and then move the lower mold 400 from front to back or from back to front, so that the guide block 420 is inserted into the guide groove 310 and the base 300 can support the lower mold 400. The operator then operates the fixing mechanism 500 so that it can fix the lower mold 400 to the base 300, completing the installation of the lower mold 400 and thus completing the replacement of the lower mold 400. To dismantle the lower die 400, the operator simply loosens the fixing mechanism 500 and pushes the lower die 400 a short distance. To install the lower die 400, the operator simply moves the lower die 400 a short distance and manipulates the fixing mechanism 500. Replacing the lower die 400 in this sheet metal bending apparatus eliminates the need to remove the lower die 400 from the longer slide rail 110, shortening the time required to replace the lower die 400. This not only improves the efficiency of replacing the lower die 400 but also reduces downtime of the sheet metal bending apparatus.

[0041] It should be noted that after replacing the lower die 400, the upper die 200 must be replaced accordingly. Different specifications of the lower die 400 and upper die 200 can bend sheet metal products of varying sizes. Sheet metal products are typically metal boxes bent from sheet metal. Replacing the upper die 200 is a relatively common method used in sheet metal bending equipment and will not be further elaborated here.

[0042] It should be noted that the lower die 400 has a forming groove 410, and the lower end of the upper die 200 has a forming portion 210, which cooperates with the forming groove 410. The forming portion 210 on the upper die 200 can descend and extend into the forming groove 410 on the lower die 400. That is, when the upper die 200 is clamped to the lower die 400, the inner wall of the forming groove 410 and the forming portion 210 simultaneously press the metal sheet to achieve the purpose of bending the metal sheet.

[0043] In the prior art, when an operator slides the lower die 400 back onto the slide rail 110, the operator needs to repeatedly adjust the position of the lower die 400 on the slide rail 110 in order to move the lower die 400 to the position on the slide rail 110 where the previous lower die 400 was before being removed. In the embodiment of the present utility model, during the removal of the lower die 400, the base 300 is always fixedly connected to the slide rail 110. That is, after the lower die 400 is reinstalled on the base 300, the position of the lower die 400 is the same as the position of the previous lower die 400. This saves the operator the time of adjusting the position of the lower die 400 on the slide rail 110, improves the replacement efficiency of the lower die 400, and further helps to shorten the downtime of the metal plate bending equipment.

[0044] refer to Figure 2 and Figure 3 A stop block 320 is provided on the front end of the base 300. The stop block 320 can abut against the lower die 400 so that the lower die 400 can be aligned with the upper die 200. It is understood that when the lower die 400 needs to be installed, the operator can align the guide block 420 on the lower die 400 with the guide groove 310 on the base 300, and then move the lower die 400 from back to front so that the guide block 420 is inserted into the guide groove 310. As the lower die 400 moves forward, the stop block 320 can abut against the lower die 400. The stop block 320 limits the position of the lower die 400 on the base 300. When the stop block 320 abuts against the lower die 400, it means that the lower die 400 has been moved and installed in place. At this time, the lower die 400 is aligned with the upper die 200, allowing the upper die 200 and the lower die 400 to bend the metal sheet smoothly. The stopper 320 positions and limits the lower die 400, allowing the operator to quickly move the lower die 400 into position, thereby improving the operator's convenience in installing the lower die 400. In this embodiment of the utility model, aligning the lower die 400 with the upper die 200 means that the molding groove 410 on the lower die 400 is aligned with the molding portion 210 on the upper die 200, so that the molding portion 210 can smoothly descend and extend into the molding groove 410.

[0045] refer to Figure 3 The fixing mechanism 500 includes two pressing assemblies 510, which are respectively provided on the left and right ends of the base 300. Both pressing assemblies 510 are used to press the lower mold 400 against the base 300. In the embodiment of the present utility model, one pressing assembly 510 is used to press the left end of the lower mold 400 against the base 300, and the other pressing assembly 510 is used to press the right end of the lower mold 400 against the base 300, thereby enabling the lower mold 400 to be fixedly connected to the base 300.

[0046] refer to Figure 4 and Figure 5The clamping assembly 510 includes a pressing block 511, a pressing rod 512, a swing arm 513, a transmission member 514 and a support 515. The support 515 is arranged on the base 300. A guide hole is opened on the support 515. The pressing rod 512 is passed through the guide hole. The lower end of the swing arm 513 is hinged to the support 515, and the upper end of the swing arm 513 is hinged to the middle of the transmission member 514. The lower end of the transmission member 514 is hinged to the upper end of the pressing rod 512. The lower end of the pressing rod 512 is connected to the pressing block 511. The gap between the pressing block 511 and the base 300 is used for the lower mold 400 to extend into. The middle part of the transmission member 514 can swing in a direction away from the base 300, so that the transmission member 514 drives the pressing rod 512 to descend, and the pressing block 511 presses the lower mold 400 tightly and fixes it on the base 300. The pressing assembly 510 further includes a gripping portion 516 , one end of which is connected to the transmission member 514 , and the other end of which can swing toward the base 300 so that the transmission member 514 drives the pressing rod 512 to descend.

[0047] It is understood that when installing the lower mold 400, the operator can align the guide block 420 on the lower mold 400 with the guide groove 310 on the base 300, and then move the lower mold 400 from back to front so that the guide block 420 is inserted into the guide groove 310. At this time, the left or right end of the lower mold 400 is positioned between the pressing block 511 and the base 300. The operator can then hold the grip 516 and bend the grip 516 toward the base 300, causing the other end of the grip 516 to swing toward the base 300. Because one end of the grip 516 is connected to the transmission member 514, and because the swing arm 513 supports and guides the swing of the transmission member 514, the grip 516 can drive the transmission member 514 to swing, causing the middle portion of the transmission member 514 to swing away from the base 300. Since the lower end of the transmission member 514 is hinged to the upper end of the pressure rod 512, the transmission member 514 can drive the pressure rod 512 to descend, causing the pressure block 511 to descend and press against the left or right end of the lower mold 400, thereby pressing the lower mold 400 to be fixed on the base 300.

[0048] When the lower mold 400 needs to be removed, the operator can hold the grip portion 516 and bend the grip portion 516 away from the base 300, causing the other end of the grip portion 516 to swing away from the base 300. This in turn causes the grip portion 516 to drive the middle portion of the transmission member 514 to swing toward the base 300. Since the lower end of the transmission member 514 is hinged to the upper end of the pressure rod 512, the lower end of the transmission member 514 can pull the pressure rod 512 upward, causing the pressure block 511 to disengage from the lower mold 400. The lower mold 400 is then released by the pressure block 511, and the operator can then push the lower mold 400 off the base 300.

[0049] Specifically, when the pressure rod 512 descends, the upper end of the swing arm 513 swings in a direction away from the base 300. When the pressure rod 512 ascends, the upper end of the swing arm 513 swings in a direction close to the base 300.

[0050] In an embodiment of the present invention, the swing arm 513 and the transmission member 514 are self-locking, that is, after the pressure block 511 presses the lower mold 400, the swing arm 513 and the transmission member 514 will not swing by themselves during the operation of the metal plate bending equipment, so that the pressure block 511 can firmly press the lower mold 400, avoiding the lower mold 400 from shaking during the bending process.

[0051] As one embodiment of the present invention, the pressing assembly 510 further includes a flexible pad, through which the pressing block 511 presses and secures the lower mold 400 to the base 300. It is understood that the pressing block 511 abuts the lower mold 400 via the flexible pad, and the flexible pad undergoes a certain degree of elastic deformation during the pressing process, thereby increasing the contact area between the flexible pad and the lower mold 400 and improving the pressing effect of the pressing block 511. Furthermore, the abutment of the pressing block 511 with the lower mold 400 via the flexible pad prevents the pressing block 511 from scratching the lower mold 400.

[0052] It should be explained that, in the embodiment of the present utility model, the bending zone refers to the position on the metal plate that is squeezed by the upper die 200 and the lower die 400. In the actual bending process, the operator needs to accurately align the bending zone on the metal plate with the lower die 400, so that the bending zone on the metal plate can be between the forming part 210 of the upper die 200 and the forming groove 410 of the lower die 400. Then the upper die 200 descends, and the inner wall of the forming part 210 and the forming groove 410 can squeeze the bending zone on the metal plate, so that the bending zone of the metal plate is bent to complete the bending process of the metal plate. There are usually multiple bending zones on the metal plate, and the operator needs to align the multiple bending zones on the metal plate with the lower die 400 in sequence, so that the upper die 200 and the lower die 400 can squeeze the multiple bending zones on the metal plate in sequence, thereby enabling the metal plate to be bent into a metal plate product.

[0053] refer to Figure 1 and Figure 2The metal plate bending equipment also includes a metal plate positioning mechanism 600, which is provided on the frame 100. The output end of the metal plate positioning mechanism 600 is used to abut against the metal plate so that the bending area on the metal plate can be aligned with the lower die 400. It can be understood that the operator can hold the metal plate and extend the metal plate between the upper die 200 and the lower die 400. During the process of extending the metal plate, the metal plate can abut against the output end of the metal plate positioning mechanism 600, so that the bending area of ​​the metal plate can be aligned with the lower die 400. The output end of the metal plate positioning mechanism 600 plays a positioning role on the metal plate, so that the operator can quickly and accurately align the bending area on the metal plate with the lower die 400.

[0054] As an embodiment of the present invention, the metal plate positioning mechanism 600 includes a linear drive component 610 and a positioning block 620. The linear drive component 610 is arranged on the frame 100, and the positioning block 620 is arranged in the front and upper part of the upper mold 200. The positioning block 620 is connected to the output end of the linear drive component 610. The linear drive component 610 is used to drive the positioning block 620 to move in the front and rear directions so that the distance between the positioning block 620 and the lower mold 400 in the front and rear directions can be changed. The positioning block 620 is used to abut against the metal plate so that multiple bending areas on the metal plate can be aligned with the lower mold 400.

[0055] refer to Figure 6 and Figure 7 , the dotted area on the metal plate is the bending area. For the convenience of explanation, three bending areas are defined as a, b and c. When area a needs to be bent, the metal plate abuts the positioning block 620, and at this time the distance between the positioning block 620 and the lower mold 400 in the front-to-back direction is L1. When area b needs to be bent, the metal plate abuts the positioning block 620, and at this time the distance between the positioning block 620 and the lower mold 400 in the front-to-back direction is L2. When area c needs to be bent, the metal plate abuts the positioning block 620, and at this time the distance between the positioning block 620 and the lower mold 400 in the front-to-back direction is L3.

[0056] Here Figure 7Taking the metal plate in the figure as an example, when area a on the metal plate needs to be bent, the linear drive assembly 610 drives the positioning block 620 to move in the front-to-back direction, so that the distance between the positioning block 620 and the lower die 400 in the front-to-back direction is L1. Then, the operator can insert the metal plate between the lower die 400 and the upper die 200, so that the lower die 400 supports the metal plate and the metal plate abuts the positioning block 620. At this time, under the blocking effect of the positioning block 620, the operator cannot continue to push the metal plate forward, which means that the metal plate is currently in the correct position, that is, area a on the metal plate has been aligned with the forming groove 410 of the lower die 400. Then, the lifting drive mechanism 120 drives the upper die 200 to descend, so that the forming portion 210 of the upper die 200 and the inner wall of the forming groove 410 of the lower die 400 squeeze area a of the metal plate, and the bending of area a of the metal plate is completed. After bending area a, the lift drive mechanism 120 drives the upper die 200 upward, allowing the operator to remove the metal sheet from the lower die 400 to bend the next bending area of ​​the metal sheet. The bending method for areas b and c is the same as that for area a and will not be further described here.

[0057] As an embodiment of the present invention, the linear drive assembly 610 is a screw-nut drive assembly. The screw in the screw-nut drive assembly is parallel to the front-to-back direction, and the nut in the screw-nut drive assembly is connected to the positioning block 620. The screw-nut drive assembly is a common drive assembly and will not be further described here.

[0058] As an embodiment of the present invention, the metal sheet bending apparatus further includes a lamp, which is mounted on the frame 100 and is used to illuminate the lower die 400. It is understood that the lamp can be a light bulb or a light tube, etc., which can illuminate the lower die 400, allowing the operator to clearly see the position of the metal sheet on the lower die 400, thereby improving the operator's judgment accuracy.

[0059] As an embodiment of the present invention, the sheet metal bending device further includes a clamp connected to the lamp, which is clamped and fixed to the rack 100 by the clamp. It is understood that when the clamp is connected to the lamp, the operator can clamp the clamp connected to the lamp to the corresponding position on the rack 100 when the position of the lamp on the rack 100 needs to be adjusted, thereby improving the flexibility of the lamp.

[0060] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0061] Of course, the present invention is not limited to the above-mentioned embodiments. Those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A metal plate bending device, characterized in that: include: A frame, wherein the frame is provided with slide rails, and the slide rails are parallel to the left and right directions; a base, the base being slidably connected to the slide rail in a left-right direction, the base being formed with a guide groove, the length direction of the guide groove being parallel to the front-back direction; a lower mold, wherein the lower mold is provided with a guide block that cooperates with the guide groove, the guide block can be inserted into the guide groove so that the base can support the lower mold, and the guide block can be moved in the front-back direction and withdrawn from the guide groove to detach the lower mold from the base; A fixing mechanism, the fixing mechanism being provided on the base and capable of fixing the lower mold on the base; An upper mold and a lifting drive mechanism, the lifting drive mechanism is arranged on the frame, the upper mold is arranged above the base and the lower mold, the upper mold is connected to the output end of the lifting drive mechanism, and the gap between the upper mold and the lower mold is used for the metal plate to extend into, and the lifting drive mechanism can drive the upper mold to descend and close the mold to the lower mold, so that the upper mold and the lower mold can bend the metal plate.

2. The metal plate bending equipment according to claim 1, characterized in that: A limiting block is provided on the front end of the base, and the limiting block can abut against the lower mold so that the lower mold can be aligned with the upper mold.

3. The metal plate bending equipment according to claim 1, characterized in that: The fixing mechanism includes two pressing assemblies, which are respectively arranged on the left and right ends of the base, and the two pressing assemblies are used to press the lower mold onto the base.

4. The metal plate bending equipment according to claim 3, characterized in that: The clamping assembly includes a pressure block, a pressure rod, a swing arm, a transmission member and a support. The support is arranged on the base, a guide hole is opened on the support, the pressure rod is passed through the guide hole, the lower end of the swing arm is hinged to the support, the upper end of the swing arm is hinged to the middle part of the transmission member, the lower end of the transmission member is hinged to the upper end of the pressure rod, the lower end of the pressure rod is connected to the pressure block, the gap between the pressure block and the base is used for the lower mold to extend into, and the middle part of the transmission member can swing in the direction away from the base, so that the transmission member drives the pressure rod to descend, and the pressure block presses the lower mold to the base.

5. The metal plate bending equipment according to claim 4, characterized in that: The pressing assembly further comprises a flexible pad, and the pressing block presses and fixes the lower die on the base via the flexible pad.

6. The metal plate bending equipment according to claim 4, characterized in that: The pressing assembly further includes a gripping portion, one end of which is connected to the transmission member, and the other end of which can swing toward the direction close to the base so that the transmission member drives the pressing rod to descend.

7. The metal plate bending equipment according to claim 1, characterized in that: It also includes a metal plate positioning mechanism, which is arranged on the frame. The output end of the metal plate positioning mechanism is used to abut against the metal plate so that the bending area on the metal plate can be aligned with the lower mold.

8. The metal plate bending equipment according to claim 7, characterized in that: The metal plate positioning mechanism includes a linear drive component and a positioning block, the linear drive component is arranged on the frame, the positioning block is arranged in the front and upper part of the upper mold, the positioning block is connected to the output end of the linear drive component, the linear drive component is used to drive the positioning block to move in the front and rear directions so that the distance between the positioning block and the lower mold in the front and rear directions can be changed, and the positioning block is used to abut against the metal plate so that multiple bending areas on the metal plate can be aligned with the lower mold.

9. The metal plate bending equipment according to claim 1, characterized in that: It also includes a lamp, which is arranged on the frame and is used to illuminate the lower mold.

10. The metal plate bending equipment according to claim 9, characterized in that: It also includes a clip, which is connected to the lamp, and the lamp is clamped and fixed on the rack by the clip.

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