Rebound elimination detection mechanism for U-shaped piece

Abstract

The invention provides a springback elimination detection mechanism for a U-shaped piece, and relates to the technical field of metal processing, the springback elimination detection mechanism comprises a base, a center positioning piece installed on the base and used for positioning the middle of the U-shaped piece, and two end positioning pieces installed on the base in a sliding mode and used for positioning the two ends of the U-shaped piece, and a pushing mechanism is arranged on the center line between the two end positioning pieces. The pushing mechanism is hinged to the two end positioning pieces through two pull rods with the same length, and the pushing mechanism can pull the two end positioning pieces to be close to the pushing mechanism. According to the U-shaped part springback eliminating device, the two ends of a U-shaped part can be pulled at equal intervals, springback eliminating with the same force can be conducted on the two ends of the U-shaped part, the springback eliminating conditions of the two ends of the U-shaped part can be kept consistent, the springback eliminating error of the U-shaped part is reduced, the cost of the whole device can be reduced, and the operation difficulty of the device is simplified.

Description

Technical Field

[0001] The invention relates to the technical field of metal processing, and in particular to a springback elimination detection mechanism for a U-shaped part. Background Art

[0002] Auto parts include various shapes. Among the parts, there are U-shaped beams. Since the parts have a large number of bends, the U-shaped beam parts always have the problem of springback. Usually, the parts can be regarded as rigid bodies, but the U-shaped beam cannot be simply regarded as a rigid body. It has two states: free state (springback) and detection state (constraint). Different methods can be used to eliminate the springback of the U-shaped beam in different processes. However, in the existing method of eliminating the U-shaped beam, both sides of the U-shaped beam are eliminated separately, and the elimination range is relatively limited. In addition, the springback elimination amplitudes on both sides are different, which may cause the final shape of the U-shaped beam to be asymmetric, resulting in the possibility of large errors in the elimination of the entire U-shaped beam. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a springback elimination detection mechanism for a U-shaped member to solve the problem of inconsistent springback elimination on both sides of a U-shaped beam.

[0004] Based on the technical problems existing in the background technology, the present invention proposes a rebound elimination detection mechanism for a U-shaped part, including a base and a center positioning part installed on the base to position the middle part of the U-shaped part, and two end positioning parts slidably installed on the base and positioning the two ends of the U-shaped part. A pushing mechanism is provided on the center line between the two end positioning parts. The pushing mechanism is hinged to the two end positioning parts by two equal-length pull rods respectively, and the pushing mechanism can pull the two end positioning parts closer to the pushing mechanism.

[0005] Preferably, the central positioning member comprises a central base and a central plug-in installed on the central base, and a positioning hole for the central plug-in to be plugged in is provided at a central symmetrical position of the U-shaped member.

[0006] Preferably, the end positioning member includes an end guide rail installed on the base and an end base sliding relative to the end guide rail, an end plug-in is provided at the upper end of the end base, and end holes equidistant from the symmetry axis of the U-shaped member are provided at both ends of the U-shaped member, and the two end holes are sleeved on the two end plug-ins.

[0007] Preferably, the end guide rails are guided perpendicularly to the axis of symmetry of the U-shaped member.

[0008] Preferably, a first clamping mechanism for clamping the U-shaped piece is also mounted on the end base.

[0009] Preferably, the pushing mechanism includes a central guide rail installed on the base and a pushing base slidably installed on the central guide rail. One end of the pushing base is provided with a driving mechanism that can push the pushing base to slide along the central guide rail. The guide of the central guide rail coincides with the symmetry axis of the U-shaped member.

[0010] Preferably, both ends of the pull rod are rotatably connected to the pushing base and the end base respectively.

[0011] Preferably, a limit block capable of limiting the sliding path of the end base is arranged on the side of the end base.

[0012] Preferably, a dial indicator mechanism is connected to one end of the end base away from the pushing base.

[0013] Preferably, a second clamping mechanism capable of clamping the U-shaped member is also provided on the base.

[0014] Compared with the prior art, the present invention proposes a U-shaped part rebound elimination detection mechanism adopting the above technical solution to achieve the following technical effects:

[0015] The present invention can pull the two ends of the U-shaped part equidistantly, can eliminate the rebound of the two ends of the U-shaped part with the same force, can keep the rebound elimination conditions at the two ends of the U-shaped part consistent, and reduce the error of the rebound elimination of the U-shaped part. The present invention can reduce the cost of the entire device and simplify the operation difficulty of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the U-shaped member installation structure of the present invention;

[0017] Figure 2 It is a top view of the installation of the U-shaped member of the present invention;

[0018] Figure 3 This is a structural diagram of the device after the U-shaped piece of the present invention is detached.

[0019] In the figure: 1, base; 100, U-shaped part; 2, center positioning part; 3, end positioning part; 4, pushing mechanism; 5, pull rod; 21, center base; 22, center plug-in; 101, positioning hole; 31, end guide rail; 32, end base; 33, end plug-in; 102, end hole; 6, first clamping mechanism; 41, center guide rail; 42, pushing base; 43, driving mechanism; 7, limit block; 8, dial indicator mechanism; 9, second clamping mechanism. DETAILED DESCRIPTION

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0022] Example

[0023] Please refer to Figure 1-Figure 3 The present invention proposes a rebound elimination detection mechanism for a U-shaped member 100, comprising a base 1 and a central positioning member 2 installed on the base 1 to position the middle part of the U-shaped member 100, and two end positioning members 3 slidably installed on the base 1 and positioning the two ends of the U-shaped member 100, a pushing mechanism 4 is provided on the center line between the two end positioning members 3, the pushing mechanism 4 is hinged to the two end positioning members 3 through two equal-length pull rods 5 respectively, and the pushing mechanism 4 can pull the two end positioning members 3 closer to the pushing mechanism 4; in this scheme, the central positioning member 2 can position the area of ​​the central symmetry axis of the U-shaped member 100, and the two ends of the U-shaped member 100 are positioned by the end positioning members 3, which can form an isosceles triangle positioning relationship, the two end positioning members 3 are at an equal distance from the central symmetry axis of the U-shaped member 100, and the pushing mechanism 4 can pull the two ends of the U-shaped member 100 together or away through the pull rod 5, so that the two ends of the U-shaped member 100 can maintain the same tension and deformation, and can ensure the consistency of the rebound elimination of the U-shaped member 100.

[0024] In a specific embodiment, refer to Figure 2 , Figure 3The center positioning member 2 includes a center base 21 and a center plug-in 22 installed on the center base 21. A positioning hole 101 for plugging in the center plug-in 22 is provided at a central symmetrical position of the U-shaped member 100; in this solution, the positioning of the center positioning member 2 is performed by perforation positioning. A positioning hole 101 is provided at the central symmetry axis of the U-shaped member 100 and located at the top of the U-shaped member 100. The positioning hole 101 corresponds to the center member plug-in to achieve the positioning function, and the position of the center plug-in 22 is fixed.

[0025] In a specific embodiment, refer to Figure 2 , Figure 3 The end positioning member 3 includes an end guide rail 31 installed on the base 1 and an end base 32 sliding relative to the end guide rail 31, an end plug-in 33 is arranged at the upper end of the end base 32, and end holes 102 equidistant from the symmetry axis of the U-shaped member 100 are arranged at both ends of the U-shaped member 100, and the two end holes 102 are sleeved on the two end plug-ins 33; this scheme needs to cooperate with the above scheme, the end holes 102 arranged at both ends of the U-shaped member 100 correspond to the installation of the end plug-ins, the two end holes 102 are at an equal distance from the positioning hole 101, and the two end holes 102 are at an equal distance from the central symmetry axis of the U-shaped member 100, only in this case can it be ensured that an isosceles triangle positioning can be formed between the three points.

[0026] In a specific embodiment, refer to Figure 2 , Figure 3 , the guide of the end guide rail 31 is perpendicular to the symmetry axis of the U-shaped member 100; in this solution, the end guide rail 31 is used to guide the moving path of the end base 32. The end guide rail 31 in this application is a straight line shape, and the optimal path of the end guide rail 31 is an arc shape in which the end hole 102 rotates relative to the positioning hole 101.

[0027] In a specific embodiment, refer to Figure 2 , Figure 3 A first clamping mechanism 6 for clamping the U-shaped member 100 is also installed on the end base 32; the first clamping mechanism 6 in this solution is used to squeeze the U-shaped member 100 from above, so that the U-shaped member 100 can be fixed on the end plug-in 33 without falling off.

[0028] In a specific embodiment, refer to Figure 2 , Figure 3The pushing mechanism 4 includes a center guide rail 41 installed on the base 1 and a pushing base 42 slidably installed on the center guide rail 41. One end of the pushing base 42 is provided with a driving mechanism 43 that can push the pushing base 42 to slide along the center guide rail 41. The guide of the center guide rail 41 coincides with the symmetry axis of the U-shaped member 100. In this embodiment, the driving mechanism 43 is a screw slider mechanism, whose slider is fixed on the base 1, and one end of the screw is connected to the pushing base 42. The movement of the screw relative to the slider can drive the pushing base 42 to move along the center guide rail 41.

[0029] In a specific embodiment, refer to Figure 2 , Figure 3 The two ends of the pull rod 5 are rotatably connected to the pushing base 42 and the end base 32 respectively; in this solution, when the pushing base 42 moves, the pulling force can be transmitted through the pull rod 5, thereby pulling the end base 32 to slide, so that the U-shaped member 100 eliminates rebound.

[0030] In a specific embodiment, refer to Figure 2 , Figure 3 A limit block 7 is provided on the side of the end base 32 to limit the sliding path of the end base 32; in this solution, the limit block 7 has a slot, and a protruding bump is installed on the side of the end base 32, and the bump is located in the slot. The bump will move with the movement of the end base 32. The limit block 7 is used to limit the movement of the end base 32, which can prevent the excessive movement of the end base 32 from causing deformation of the U-shaped member 100.

[0031] In a specific embodiment, refer to Figure 3 One end of the end base 32 away from the pushing base 42 is connected to a dial indicator mechanism 8; the dial indicator mechanism 8 is used to detect the movement amplitude of the end base 32, so as to appropriately adjust the movement of the pushing base 42.

[0032] In a specific embodiment, refer to Figure 3 A second clamping mechanism 9 for clamping the U-shaped member 100 is also provided on the base 1; the second clamping mechanism 9 in this solution is used to fix the entire U-shaped member 100.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A U-shaped part rebound elimination detection mechanism, characterized in that: The invention comprises a base (1), a center positioning member (2) mounted on the base (1) for positioning the middle part of a U-shaped member (100), and two end positioning members (3) slidably mounted on the base (1) and positioning the two ends of the U-shaped member (100). A pushing mechanism (4) is provided on the center line between the two end positioning members (3). The pushing mechanism (4) is hinged to the two end positioning members (3) respectively through two equal-length pull rods (5). The pushing mechanism (4) can pull the two end positioning members (3) toward the pushing mechanism (4).

2. The U-shaped part rebound elimination detection mechanism according to claim 1, characterized in that: The central positioning member (2) comprises a central base (21) and a central plug-in unit (22) mounted on the central base (21); a positioning hole (101) for the central plug-in unit (22) to be plugged in is provided at a central symmetrical position of the U-shaped member (100).

3. The U-shaped part rebound elimination detection mechanism according to claim 1, characterized in that: The end positioning member (3) comprises an end guide rail (31) mounted on the base (1) and an end base (32) sliding relative to the end guide rail (31); an end plug-in (33) is arranged at the upper end of the end base (32); end holes (102) equidistant from the symmetry axis of the U-shaped member (100) are arranged at both ends of the U-shaped member (100); the two end holes (102) are sleeved on the two end plug-ins (33).

4. The U-shaped member rebound elimination detection mechanism according to claim 3, characterized in that: The guiding direction of the end guide rail (31) is perpendicular to the symmetry axis of the U-shaped member (100).

5. The rebound elimination detection mechanism of the U-shaped part according to claim 3, characterized in that: The end base (32) is also provided with a first clamping mechanism (6) for clamping the U-shaped member (100).

6. The U-shaped member rebound elimination detection mechanism according to claim 3, characterized in that: The pushing mechanism (4) comprises a central guide rail (41) mounted on the base (1) and a pushing base (42) slidably mounted on the central guide rail (41); one end of the pushing base (42) is provided with a driving mechanism (43) capable of pushing the pushing base (42) to slide along the central guide rail (41); the guide of the central guide rail (41) coincides with the symmetry axis of the U-shaped member (100).

7. The U-shaped member rebound elimination detection mechanism according to claim 6, characterized in that: The two ends of the pull rod (5) are rotatably connected to the push base (42) and the end base (32) respectively.

8. The U-shaped member rebound elimination detection mechanism according to claim 3, characterized in that: A limiting block (7) capable of limiting the sliding path of the end base (32) is arranged on the side of the end base (32).

9. The U-shaped member rebound elimination detection mechanism according to claim 6, characterized in that: One end of the end base (32) away from the pushing base (42) is connected to a dial indicator mechanism (8).

10. The U-shaped member rebound elimination detection mechanism according to claim 1, characterized in that: The base (1) is also provided with a second clamping mechanism (9) capable of clamping the U-shaped member (100).

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