Double-station universal bending device

Abstract

The utility model discloses a double-station universal bending device which comprises an upper die frame assembly, a lower die base assembly, an automatic centering supporting device, an upper die assembly and a double-column hydraulic machine tool. A lower die base assembly is installed on the surface of a machine base of the double-column hydraulic machine tool below the upper punch, and a right-angle groove used for installing a lower female die is formed in the surface of the lower die base assembly. The tool manufacturing cost is saved, and management of tools in a workshop is facilitated; according to the tool, the press fitting and replacing requirements of all products can be met through the male die and the female die which are easy to replace; the tool adopts a single-point bending and correction one-time forming process method, and is simple in structure, rapid to operate and high in interchangeability.

Description

Technical Field

[0001] The utility model relates to the technical field of bending tooling, in particular to a double-station universal bending device. Background Art

[0002] Since the homemade tooling has poor rigidity, tire body deformation is prone to occur during production and use, requiring workers to adjust the stamping several times and perform repeated trimming to complete the processing. Moreover, the quality of the processed products often fails to meet the requirements of the drawings. This method not only increases the labor intensity of the workers, but also places high demands on the workers' operating skills, resulting in high product processing costs. Therefore, we propose a dual-station universal bending device. Utility Model Content

[0003] The main purpose of the utility model is to provide a double-station universal press-bending device. The set of molds of the press-bending device of the utility model is used in conjunction with a double-column hydraulic machine tool. The set of tooling can meet the press-fitting and replacement needs of all product parts through easily replaceable punches and die. The set of tooling adopts a single-point press-bending and correction one-time forming process method, which has a simple structure, fast operation, and high interchangeability, and can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A double-station universal press bending device comprises an upper die frame assembly, a lower die base assembly, an automatic centering support device, an upper die assembly and a double-column hydraulic machine tool, wherein two groups of lower pressure heads of the double-column hydraulic machine tool are equipped with upper punches on the upper die frame assembly, a lower die base assembly is installed on the bed surface of the double-column hydraulic machine tool below the upper punch, and a right-angle groove for installing a lower concave die is provided on the surface of the lower die base assembly, and an automatic centering support device is installed on the surface of the double-column hydraulic machine tool on one side of the lower die base assembly.

[0006] Furthermore, the upper die frame assembly includes an upper die assembly and a flange, the die frame top of the upper die assembly is connected and fixed to the double-column hydraulic machine tool by the flange, and the lower die frame surface of the upper die assembly is provided with a straight groove for clamping the upper punch, and the upper punch is locked and connected to the upper die assembly outside the straight groove by bolts;

[0007] By adopting the above technical solution, the upper die assembly of the upper die frame assembly can be installed at the lower pressure column of the double-column hydraulic machine tool with the help of flanges and bolts, and the upper punch can be inserted into the straight groove below the upper die assembly and locked with bolts for installation, which makes it convenient for the double-column hydraulic machine tool to drive the upper die assembly to lift and lower with the upper punch.

[0008] Furthermore, a guide frame is installed at one end of the frame plate of the upper mold assembly, and a bearing guide wheel is installed at the outer frame plate of the guide frame, and the bearing guide wheel is stuck in a straight groove of a guide iron, and the guide iron is fixed on the inner side of the vertical door frame of the double-column hydraulic machine tool;

[0009] By adopting the above technical solution, the upper mold assembly can slide along the straight groove on the guide iron inside the vertical gantry of the double-column hydraulic machine tool with the help of the bearing guide wheel of the guide frame, thereby ensuring the vertical pressure guidance of the upper mold assembly.

[0010] Further, the lower die base assembly includes a base and a lower die base, the base is fixed to the bed surface of the double-column hydraulic machine tool, and the lower die base is installed on the upper plane of the base, and the upper surface of the lower die base is provided with a right-angle groove for installing the lower concave die, and bolts are locked between the lower concave die and the lower die base;

[0011] By adopting the above technical solution, after the base of the lower die base assembly is fixed at the bed of the double-column hydraulic machine tool, it can cooperate with the lower die base to perform the clamping installation of the lower concave die.

[0012] Furthermore, the automatic centering support device includes a screw rail frame and left and right clamps, and the two sets of frames of the screw rail frame are cross-stacked to form a screw rail bed with left and right forward and backward movement capabilities, and the upper seat plate screw of the screw rail bed is equipped with two sets of clamps of the left and right clamps;

[0013] By adopting the above technical solution, the screw slide bed composed of the screw slide frame of the automatic centering support device has the ability to move left and right, forward and backward, and can move as needed after clamping the workpiece with the left and right clamps, making it convenient for the workpiece to enter between the upper punch and the lower die for bending.

[0014] Furthermore, the automatic centering support device and the positioning support device are provided with a screw rail bed base of the same structure, and a positioning slide plate that can move forward and backward is installed on the plane of the top slide rail of the screw rail bed base of the positioning support device, and a slot hole for screwing bolts for positioning is provided between the positioning slide plate and the plane of the top slide rail of the screw rail bed base;

[0015] By adopting the above technical solution, the positioning support device can be used as a replacement structure for the automatic centering support device, and the screw slide bed with the positioning slide plate can be installed on the double-column hydraulic machine tool to support and position the workpiece.

[0016] Further, the lower concave die includes a 135° die and a 90° die, and the die bodies of the 135° die and the 90° die are provided with straight die bodies for being inserted into the right-angle groove above the lower die seat;

[0017] By adopting the above technical solution, the 135° die and the 90° die can be clamped in the right-angle groove above the lower die base and locked with bolts. The 135° die and the 90° die of the lower die can be replaced at the lower die base to perform press bending processing on workpieces of different specifications.

[0018] Furthermore, lifting ears are fixed on both sides of the base of the lower mold base assembly;

[0019] By adopting the above technical solution, after the base of the lower die base assembly is disassembled from the double-column hydraulic machine tool, the lower die base assembly can be lifted or hoisted away from the double-column hydraulic machine tool by lifting the lifting ears.

[0020] Compared with the prior art, the utility model has the following advantages and positive effects:

[0021] 1. This set of molds is used in conjunction with a double-column hydraulic machine tool, which not only reduces the labor intensity of workers replacing molds, saves tooling manufacturing expenses, but also facilitates the management of tooling within the workshop;

[0022] 2. This set of tooling can meet the press-fit replacement needs of all product parts through easily replaceable punches and die;

[0023] 3. This set of tooling adopts the process method of single-point bending and correction one-time forming, with simple structure, fast operation and high interchangeability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a bending die of a double-station universal bending device of the utility model.

[0025] Figure 2 The utility model is a schematic structural diagram of an automatic centering support device of a double-station universal press bending device.

[0026] Figure 3 The utility model is a schematic diagram of the structure of a positioning support device of a double-station universal bending device.

[0027] Figure 4 This is a schematic diagram of the structure of a bending die base of a double-station universal bending device of the utility model.

[0028] Figure 5 The utility model is a schematic diagram of a 135° die structure of a double-station universal press bending device.

[0029] Figure 6 The utility model is a schematic diagram of a 90° punch die structure of a double-station universal press bending device.

[0030] Figure 7 This is a schematic diagram of the guide structure for installing a bending die of a double-station universal bending device of the utility model.

[0031] In the figure: 1. Upper die frame assembly; 2. Lower die base assembly; 3. Automatic centering support device; 4. Positioning support device; 5. Upper die assembly; 6. Upper punch; 7. Lower die base; 8. Lower concave die; 801, 135° die; 802, 90° die; 9. Lifting ear; 10. Double-column hydraulic machine tool. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0033] like Figure 1-7 As shown, a double-station universal press bending device includes an upper die frame assembly 1, a lower die base assembly 2, an automatic centering support device 3, an upper die assembly 5 and a double-column hydraulic machine tool 10, wherein two groups of lower pressure heads of the double-column hydraulic machine tool 10 are equipped with upper punches 6 on the upper die frame assembly 1, a lower die base assembly 2 is installed on the bed surface of the double-column hydraulic machine tool 10 below the upper punch 6, and a right-angle groove for installing a lower concave die 8 is provided on the surface of the lower die base assembly 2, and an automatic centering support device 3 is installed on the surface of the double-column hydraulic machine tool 10 on one side of the lower die base assembly 2.

[0034] The upper die frame assembly 1 includes an upper die assembly 5 and a flange, the die frame top of the upper die assembly 5 is connected and fixed to the double-column hydraulic machine tool 10 by a flange, and a straight groove for inserting the upper punch 6 is provided on the lower die frame surface of the upper die assembly 5, and the upper punch 6 is locked and connected to the upper die assembly 5 outside the straight groove by bolts;

[0035] By adopting the above technical solution, the upper mold assembly 5 of the upper mold frame assembly 1 can be installed at the lower pressure column of the double-column hydraulic machine tool 10 by means of a flange and bolts, and the upper punch 6 can be inserted into the straight groove below the upper mold assembly 5 and locked with bolts, which makes it convenient for the double-column hydraulic machine tool 10 to drive the upper mold assembly 5 to lift and lower with the upper punch 6.

[0036] Among them, a guide frame is installed at one end of the frame plate of the upper mold assembly 5, and a bearing guide wheel is installed at the outer frame plate of the guide frame, and the bearing guide wheel is stuck in the straight groove of the guide iron, and the guide iron is fixed on the inner side of the vertical door frame of the double-column hydraulic machine tool 10;

[0037] By adopting the above technical solution, the upper mold assembly 5 can slide along the straight groove on the guide iron inside the vertical gantry of the double-column hydraulic machine tool 10 with the help of the bearing guide wheel of the guide frame, thereby ensuring that the upper mold assembly 5 is vertically guided and pressed.

[0038] The lower die base assembly 2 includes a base and a lower die base 7, the base is fixed to the bed surface of the double-column hydraulic machine tool 10, and the lower die base 7 is installed on the upper plane of the base, and the upper surface of the lower die base 7 is provided with a right-angle groove for installing the lower concave die 8, and bolts are locked between the lower concave die 8 and the lower die base 7;

[0039] By adopting the above technical solution, after the base of the lower die base assembly 2 is fixed at the bed of the double-column hydraulic machine tool 10 , it can cooperate with the lower die base 7 to engage and install the lower concave die 8 .

[0040] The automatic centering support device 3 includes a screw rail frame and left and right clamps, and the two sets of frames of the screw rail frame are cross-stacked to form a screw rail bed with left and right forward and backward movement capabilities, and the upper seat plate screw of the screw rail bed is equipped with two sets of clamps of the left and right clamps;

[0041] By adopting the above technical solution, the screw slide bed composed of the screw slide frame of the automatic centering support device 3 has the ability to move left and right, forward and backward, and can move as needed after clamping the workpiece with the left and right clamps, making it convenient for the workpiece to enter between the upper punch 6 and the lower die 8 for bending.

[0042] The automatic centering support device 3 and the positioning support device 4 are provided with a screw rail bed with the same structure, and a positioning slide plate that can move forward and backward is installed on the plane of the top slide rail of the screw rail bed of the positioning support device 4, and a slot hole for screwing bolts for positioning is provided between the positioning slide plate and the plane of the top slide rail of the screw rail bed;

[0043] By adopting the above technical solution, the positioning support device 4 can be used as a replacement structure for the automatic centering support device 3, and the screw slide bed with the positioning slide plate is installed on the double-column hydraulic machine tool 10 to support and position the workpiece.

[0044] The lower concave die 8 includes a 135° die 801 and a 90° die 802, and the die bodies of the 135° die 801 and the 90° die 802 are provided with straight die bodies for being inserted into the right-angle groove above the lower die seat 7;

[0045] By adopting the above technical solution, the 135° die 801 and the 90° die 802 can be clamped in the right-angle groove above the lower die base 7 and locked with bolts. The 135° die 801 and the 90° die 802 of the lower die 8 can be replaced at the lower die base 7 to perform press bending processing on workpieces of different specifications.

[0046] Wherein, lifting ears 9 are fixed on both sides of the base of the lower mold base assembly 2;

[0047] By adopting the above technical solution, after the base of the lower die base assembly 2 is disassembled from the double-column hydraulic machine tool 10 , the lower die base assembly 2 can be lifted or lifted away from the double-column hydraulic machine tool 10 by lifting the lifting ears 9 .

[0048] It should be noted that the utility model is a dual-station universal bending device. When performing stamping processing on a plate, the base of the lower die base assembly 2 can be installed on the bed surface of the double-column hydraulic machine tool 10 to cooperate with the fixed lower die base 7. The 135° die 801 or 90° die 802 of the lower concave die 8 can be selected in the lower die base 7 according to the needs of the stamping workers for installation as needed. Then, the upper die assembly 5 of the upper die frame assembly 1 can be installed at the lower pressure column of the double-column hydraulic machine tool 10 by means of a flange and bolts, and the upper punch 6 can be inserted into the straight groove below the upper die assembly 5 for locking and installation with bolts, which is convenient for the double-column hydraulic machine. The bed 10 drives the upper die assembly 5 to lift and lower the upper punch 6. After the screw slide bed base composed of the screw slide frame of the automatic centering support device 3 is installed on the surface of the double-column hydraulic machine tool 10, the workpiece can be placed on the left and right clamps. The screw slide bed base can clamp the workpiece with the left and right clamps and move as needed to facilitate the workpiece to enter between the upper punch 6 and the lower die 8. Then the upper punch 6 can press the workpiece into the lower recess 8 for bending. The positioning support device 4 can be used as a replacement structure for the automatic centering support device 3. The screw slide bed base with the positioning slide plate is installed on the double-column hydraulic machine tool 10 to support and position the workpiece.

[0049] It should be noted that the utility model is a dual-station universal press bending device, and the components in the utility model are all components known to technical personnel in the field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0050] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A dual-station universal bending device, characterized in that: The invention comprises an upper die frame assembly (1), a lower die base assembly (2), an automatic centering support device (3), an upper die assembly (5) and a double-column hydraulic machine tool (10); the upper die frame assembly (1) of the two groups of lower punches of the double-column hydraulic machine tool (10) is provided with an upper punch (6); the bed surface of the double-column hydraulic machine tool (10) below the upper punch (6) is provided with a lower die base assembly (2); and the surface of the lower die base assembly (2) is provided with a right-angle groove for installing a lower concave die (8); and the surface of the double-column hydraulic machine tool (10) on one side of the lower die base assembly (2) is provided with an automatic centering support device (3).

2. A dual-station universal bending device according to claim 1, characterized in that: The upper die frame assembly (1) comprises an upper die assembly (5) and a flange, the die frame top of the upper die assembly (5) is connected and fixed to a double-column hydraulic machine tool (10) by means of a flange, and a straight groove for inserting an upper punch (6) is provided on the lower die frame surface of the upper die assembly (5), and the upper punch (6) is locked and connected to the upper die assembly (5) outside the straight groove by means of bolts.

3. A dual-station universal press bending device according to claim 2, characterized in that: A guide frame is installed at one end of the frame plate of the upper mold assembly (5), and a bearing guide wheel is installed on the outer frame plate of the guide frame, and the bearing guide wheel is stuck in the straight groove of the guide iron, and the guide iron is fixed on the inner side of the vertical door frame of the double-column hydraulic machine tool (10).

4. A dual-station universal press bending device according to claim 1, characterized in that: The lower die base assembly (2) comprises a base and a lower die base (7), wherein the base is fixed to the bed surface of a double-column hydraulic machine tool (10), and the lower die base (7) is installed on the upper plane of the base, and a right-angle groove for installing a lower concave die (8) is provided on the upper surface of the lower die base (7), and bolts are locked between the lower concave die (8) and the lower die base (7).

5. The dual-station universal press bending device according to claim 1, characterized in that: The automatic centering support device (3) comprises a screw slide rail frame and left and right clamps, and the two groups of frames of the screw slide rail frame are cross-stacked to form a screw slide rail bed with the ability to move left and right, front and back, and the upper seat plate screw of the screw slide rail bed is equipped with two groups of clamps of the left and right clamps.

6. A dual-station universal press bending device according to claim 5, characterized in that: The automatic centering support device (3) and the positioning support device (4) are provided with a screw rail bed base of the same structure, and a positioning slide plate that can move forward and backward is installed on the plane of the top slide rail of the screw rail bed base of the positioning support device (4), and a slot hole for screwing bolts for positioning is provided between the positioning slide plate and the plane of the top slide rail of the screw rail bed base.

7. A dual-station universal press bending device according to claim 1, characterized in that: The lower concave die (8) comprises a 135° die (801) and a 90° die (802), and the die bodies of the 135° die (801) and the 90° die (802) are provided with straight die bodies for being inserted into the right-angle groove above the lower die seat (7).

8. The dual-station universal bending device according to claim 4, characterized in that: Lifting ears (9) are fixed on both sides of the base of the lower mold base assembly (2).

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