Rear baffle positioning device for bending metal plate

Abstract

The utility model relates to the technical field of sheet metal part processing, and discloses a rear stop positioning device for sheet metal bending, which comprises a bottom plate, a rear stop mechanism is arranged on the bottom plate, and the rear stop mechanism comprises a support plate, a positioning piece, a top plate and a positioning detection component for detecting the position of the top plate; the positioning detection assembly comprises a displacement sensor and a positioning adjustment part, and the output end of the positioning adjustment part is connected with the displacement sensor; the supporting plate is slidably installed on the bottom plate in the Y-axis direction, the positioning piece is installed on the front side of the supporting plate, and the top plate is installed on the rear side of the supporting plate and can abut against the tail end of the displacement sensor. The positioning piece can float in the Y-axis direction, the position can be adjusted in the X-axis direction, and sheet metal parts of different sizes can be machined. And the floating displacement of the positioning piece in the Y-axis direction is detected through a displacement sensor of the positioning detection assembly, so that the machining capacity of the bending machine can be improved, and it is ensured that the corresponding position precision can be achieved during bending every time.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal part processing technical field, concretely relates to a sheet metal bending rear stop positioning device. BACKGROUND

[0002] In the process of sheet metal bending, the rear end of the sheet metal part is limited by the material blocking device, which can accurately control the position of the sheet metal part during bending, ensure that the bending angle and length meet the design requirements, and thus ensure the dimensional accuracy of the product. And when bending, the sheet metal part is easily affected by the bending force and deviates. The material blocking device can provide a stable support and block to prevent the sheet metal part from moving backward or deviating during bending, ensure that the bending line is consistent with the pre-set position, and improve the accuracy and consistency of bending.

[0003] However, the existing sheet metal part rear stop device, due to the limitation of its structure, can only be oriented to adapt to sheet metal parts of corresponding size during bending positioning, for example, some rear stop devices are only suitable for large-size sheet metal parts and are not suitable for positioning small sheet metal parts (size within 50mm), the positioning accuracy of small-size sheet metal parts is poor, and the production needs cannot be met; therefore, a sheet metal bending rear stop positioning device is urgently needed to adapt to sheet metal parts of different sizes for bending. SUMMARY

[0004] The utility model aims at overcoming the deficiency in the prior art, providing a sheet metal bending rear stop positioning device, the positioning member in contact with the sheet metal part can float along the Y-axis direction and adjust the position along the X-axis direction, and the displacement sensor is used to detect the floating displacement of the positioning member in the Y-axis direction, so as to improve the processing capacity of the bending machine and meet the processing needs of sheet metal parts of different sizes.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] A sheet metal bending rear stop positioning device, comprising a bottom plate, a rear stop mechanism is arranged on the bottom plate, the rear stop mechanism comprises a support plate, a positioning member, a top plate and a positioning detection assembly for detecting the position of the top plate; the positioning detection assembly comprises a displacement sensor and a positioning adjustment component capable of adjusting the position of the displacement sensor along the Y-axis direction, and the output end of the positioning adjustment component is connected with the displacement sensor; the support plate is slidably installed on the bottom plate along the Y-axis direction, the positioning member is installed on the front side of the support plate and can adjust the position along the X-axis direction, and the top plate is installed on the rear side of the support plate and can abut the end of the displacement sensor.

[0007] Optionally, a plurality of positioning holes are formed on the front side of the support plate, the plurality of positioning holes are equidistantly distributed along the X-axis direction, a waist hole corresponding to the positioning hole is formed on the positioning member, and the fastener passes through the waist hole and one of the positioning holes to fix the positioning member on the support plate.

[0008] Optionally, a base is fixedly installed on the bottom plate, the base is slidably connected with the support plate through a guide assembly, and the guide assembly is parallel to the Y-axis direction.

[0009] Optionally, a fixing block is installed on the bottom plate, the rear stop mechanism is provided with two, and the two rear stop mechanisms are symmetrically distributed on the left and right sides of the fixing block.

[0010] Optionally, the fixing block comprises a main body portion, a supporting portion for installing the position detection assembly is arranged at the rear end of the main body portion, a limiting portion for blocking the top plate is arranged at the middle portion of the main body portion, and the front end of the main body portion is connected with the base.

[0011] Optionally, a first mounting hole for installing the position adjusting component is formed on the supporting portion, a groove for placing the displacement sensor is formed above the first mounting hole, and a pressing block for fixing the displacement sensor on the supporting portion is arranged above the groove.

[0012] Optionally, a reset spring is arranged between the top plate and the limiting portion, the reset spring is parallel to the Y-axis direction, and the two ends of the reset spring are respectively abutted with the limiting portion and the top plate.

[0013] Optionally, the output end of the position adjusting component is connected with the displacement sensor through a clamping block, and the clamping block is located between the supporting portion and the limiting portion.

[0014] Optionally, the support plate and the positioning member adopt L-shaped structures.

[0015] Optionally, a detachable position pushing piece is sleeved on the support plate, the position pushing piece adopts a C-shaped structure, and the position pushing piece is located on the front side of the bottom plate.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) the positioning member can float along the Y-axis direction and adjust the position along the X-axis direction, so that the positioning member can meet the processing of metal plates of different sizes, the displacement sensor of the position detection assembly detects the floating displacement of the positioning member along the Y-axis direction, the processing capacity of the bending machine is improved, and the position precision of each bending can be ensured.

[0018] (2) According to the positioning detection assembly, the position of the displacement sensor in the Y-axis direction can be adjusted through the positioning adjusting part, so that the bending floating of different sheet metal parts can be monitored, and the application range of the device is greatly improved;

[0019] (3) In the utility model, the single rear stop mechanism can realize the rear stop of the bending of the small sheet metal part, and the two rear stop mechanisms can satisfy the bending processing of the large sheet metal part, so that the bending of the sheet metal parts with different sizes can be adapted;

[0020] (4) In the utility model, the pushing piece is additionally arranged on the supporting plate, so that the manual bending test can be satisfied, the pushing piece and the supporting plate are fixed through the profile cooperation, the disassembly and assembly are convenient, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic view of the rear stop positioning device for sheet metal bending in the utility model embodiment;

[0022] Figure 2 It is the structure schematic view of the base in the utility model embodiment;

[0023] Figure 3 It is the position structure schematic view of the return spring and the top plate in the utility model embodiment;

[0024] Figure 4 It is the overhead structure schematic view of the rear stop positioning device for sheet metal bending in the utility model embodiment;

[0025] Figure 5 It is the structure schematic view of the guide assembly in the utility model embodiment;

[0026] Figure 6 It is the structure schematic view of the fixed block in the utility model embodiment;

[0027] Figure 7 It is the position structure schematic view of the displacement sensor and the positioning adjusting part in the utility model embodiment;

[0028] Wherein, 1, the bottom plate; 101, the positioning groove; 102, the guide hole; 2, the fixed block; 201, the main part; 202, the limiting part; 203, the support part; 204, the first mounting hole; 205, the recess; 206, the second mounting hole; 3, the supporting plate; 301, the positioning hole; 4, the positioning piece; 401, the waist hole; 5, the top plate; 6, the return spring; 7, the base; 8, the guide assembly; 9, the displacement sensor; 10, the positioning adjusting part; 11, the clamping block; 12, the pressing block; 13, the positioning pushing piece. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in combination with the drawings and embodiments, these drawings are all simplified schematic diagram, only with the schematic way the basic structure of the utility model is shown, therefore it only shows the related structure of the utility model. Embodiment one

[0030] As Figure 1 , Figure 2 and Figure 7 Indicated, a sheet metal bending rear stop positioning device, including base plate 1, be provided with fixed block 2 and rear stop mechanism on base plate 1, rear stop mechanism can limit the rear end of sheet metal part, provide a stable support and block for it, to accurately control the position of sheet metal part in the bending process, ensure that the angle and length of bending meet the design requirements, thereby guarantee the dimensional accuracy of product.

[0031] The above, rear stop mechanism includes support plate 3, positioning piece 4, top plate 5 and the positioning detection assembly for detecting the position of top plate 5, positioning detection assembly includes displacement sensor 9 and positioning adjustment component 10, the output end of positioning adjustment component 10 is connected with displacement sensor 9, so as to adjust the position of displacement sensor 9 along Y axis direction.Support plate 3 is slidably installed on base plate 1 along Y axis direction, positioning piece 4 is installed on the front side of support plate 3 and can adjust the position along X axis direction, top plate 5 is installed on the rear side of support plate 3 and can abut with the end of displacement sensor 9.

[0032] Wherein, the output end of positioning adjustment component 10 is connected with displacement sensor 9 through clamp block 11, one end of clamp block 11 is provided with clamping groove, two installation grooves for placing displacement sensor 9 and the output end of positioning adjustment component 10 are arranged in the groove, the end of clamp block 11 is also provided with screw to control the opening degree of clamping groove end, when two are placed in the installation groove, tighten the screw, the inner wall of clamping groove is relatively close, so that displacement sensor 9 and the output end of positioning adjustment component 10 are firmly fixed together, synchronous movement is realized.Through positioning adjustment component 10, the position of displacement sensor 9 in Y axis direction can be adjusted, so that the monitoring of bending floating of different sheet metal parts is realized, the application range of the device is greatly improved

[0033] Specifically, positioning adjustment component 10 is parallel to Y axis direction, and positioning adjustment micrometer can be used, by adjusting the extension distance of micrometer output end, the distance of displacement sensor 9 end relative to sheet metal part in Y axis direction can be accurately controlled, so that the floating distance of end when sheet metal part is bent is determined, and it is ensured that it will not deviate.

[0034] As Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6As shown, the front side of the support plate 3 is provided with a plurality of positioning holes 301, which are equidistantly distributed along the X-axis direction. The positioning member 4 is provided with a waist hole 401 corresponding to the positioning hole 301, and the fastener passes through the waist hole 401 and one of the positioning holes 301 to fix the positioning member 4 on the support plate 3.

[0035] In the length direction of the waist hole 401, the screw can pass through the waist hole 401 and the corresponding positioning hole 301 to fix the positioning member 4 on the support plate 3 when the positioning member 4 moves along the X-axis direction, so as to realize the movement adjustment of the positioning member 4 along the X-axis direction.

[0036] The positioning member 4 can float along the Y-axis direction and adjust the position along the X-axis direction, so as to meet the processing of metal plates of different sizes. The displacement sensor 9 of the positioning detection assembly can detect the floating displacement of the positioning member 4 along the Y-axis direction, so as to improve the processing capacity of the bending machine and ensure that each bending can reach the corresponding position accuracy.

[0037] Further, the bottom plate 1 is fixedly provided with a base 7, the base 7 is slidably connected with the support plate 3 through a guide assembly 8, and the guide assembly 8 is parallel to the Y-axis direction. The front end of the bottom plate 1 is provided with a positioning groove 101 for mounting the base 7, and the rear end of the bottom plate 1 is provided with a guide hole 102 parallel to the X-axis direction. The rear stop mechanism is arranged at the end of the bottom plate 1 away from the guide hole 102.

[0038] The base 7 is fixedly connected with the bottom plate 1 through a screw, and the guide assembly 8 includes a sliding block and a guide rail which can slide relative to each other. The sliding block is fixedly embedded on the top surface of the base 7, and the guide rail is fixedly connected with the support plate 3 and slidably installed on the sliding block, and the guide rail is parallel to the Y-axis direction. The sliding block and the guide rail of the guide assembly 8 can provide guidance for the floating of the support plate 3 along the Y-axis direction and reduce friction and wear.

[0039] In addition, the fixed block 2 includes a main body part 201, a limiting part 202 and a supporting part 203 which are integrally formed. The supporting part 203 is located at the rear end of the main body part 201 and is used for mounting the positioning detection assembly. The limiting part 202 is located at the middle part of the main body part 201 and is used for blocking the top plate 5. The clamping block 11 is located between the supporting part 203 and the limiting part 202, and the front end of the main body part 201 is connected with the base 7.

[0040] Regarding the installation of the positioning detection assembly, the supporting part 203 is provided with a first mounting hole 204 for mounting the positioning adjusting part 10. Above the first mounting hole 204, a recess 205 is provided for placing the displacement sensor 9. Above the recess 205, a pressing block 12 is arranged for fixing the displacement sensor 9 on the supporting part 203.

[0041] First, the output end of the displacement sensor 9 and the positioning adjusting part 10 are fixedly connected through the clamp block 11, then the positioning adjusting part 10 is fixed by passing through the first mounting hole 204, at this time the displacement sensor 9 passes through the groove 205, then the position of the displacement sensor 9 in the Y axis direction is adjusted by using the positioning adjusting part 10, then the pressing block 12 is fixed on the top end of the supporting part 203 by a screw, and the displacement sensor 9 is firmly fixed on the supporting part 203 of the fixed block 2.

[0042] Regarding the floating of the supporting plate 3 in the Y axis direction, the reset spring 6 is arranged between the top plate 5 and the limiting part 202, the reset spring 6 is parallel to the Y axis direction, and the two ends of the reset spring 6 abut against the limiting part 202 and the top plate 5 respectively.

[0043] In order to facilitate the installation of the reset spring 6, the second mounting hole 206 is arranged on the limiting part 202, and a blind hole is arranged on the top plate 5, one end of the second mounting hole 206 is sealed by a screw, and one end of the reset spring 6 is embedded in the blind hole of the top plate 5, and the other end is embedded in the second mounting hole 206 and abuts against the screw inside the second mounting hole 206, so as to realize the positioning and installation of the reset spring 6.

[0044] In order to make the overall structure more stable and convenient for positioning, the supporting plate 3 and the positioning part 4 are both in L-shaped structure. The supporting plate 3 in L-shaped structure is invertedly buckled on the base 7, and the end is limited by the base 7 and the limiting part 202; the positioning part 4 in L-shaped structure is transversely arranged on the front side of the supporting plate 3, and the front side surface realizes the positioning of the end of the sheet metal part in the X axis and Y axis directions.

[0045] Working principle:

[0046] First, the output end of the displacement sensor 9 and the positioning adjusting part 10 are fixedly connected through the clamp block 11, then the positioning adjusting part 10 is fixed by passing through the first mounting hole 204, at this time the displacement sensor 9 passes through the groove 205, then the position of the displacement sensor 9 in the Y axis direction is adjusted by using the positioning adjusting part 10, then the pressing block 12 is fixed on the top end of the supporting part 203 by a screw, and the displacement sensor 9 is firmly fixed on the supporting part 203 of the fixed block 2.

[0047] In the process of bending the sheet metal part, the end thereof is in contact with the front side surface of the positioning part 4, and there is still a displacement in the Y axis direction as the degree of bending increases, at this time the reset spring 6 is compressed and shrunk, the positioning part 4 drives the top plate 5 to move backward through the supporting plate 3, when the top plate 5 is in contact with the end of the displacement sensor 9, it indicates that the bending is in place, at this time the bending machine stops bending and resets, and the positioning part 4 also resets under the elastic force of the reset spring 6, in preparation for the next time of bending stop. Example two

[0048] AsFigure 1 and Figure 4 As shown, based on Embodiment 1, when the rear gear positioning device is set to one rear gear mechanism, it can be used for rear gear positioning of small sheet metal parts. However, for rear gear positioning of large sheet metal parts, two rear gear mechanisms can be set to cope with the situation.

[0049] When there are two rear stop mechanisms on each base plate 1, the two rear stop mechanisms are symmetrically distributed on the left and right sides of the fixing block 2, that is, the positioning parts 4 of the two rear stop mechanisms are distributed opposite each other, and the fixing block 2 at this time has a T-shaped structure to simultaneously satisfy the installation and limiting of the two rear stop mechanisms.

[0050] In addition, the rear end of the base plate 1 is provided with a guide hole 102 parallel to the X-axis direction, and a guide shaft for support can be inserted through the guide hole 102. Under the action of the external mechanism, the base plate 1 can adjust its position along the guide shaft in the X-axis direction, so that the rear block positioning device as a whole can adjust its position along the X-axis direction, so as to better adapt to the bending of sheet metal parts of different sizes. Example 3

[0051] like Figure 5 and Figure 6 As shown, based on Embodiment 1 and Embodiment 2, the sheet metal bending rear stop positioning device proposed in this utility model further includes a positioning paddle 13 to facilitate manual adjustment.

[0052] The positioning lever 13 has a C-shaped structure, which can not only be fitted onto the support plate 3, but also be detached and located on the front side of the base plate 1. The positioning lever 13 is fixed to the support plate 3 by the fit of the profile surface, and can be removed at any time. That is, it is stuck on the support plate 3 during manual bending test and removed during automatic bending. It is convenient and efficient to install and remove.

[0053] The positioning paddle 13 has a notch on one side, making the positioning paddle 13 have a C-shaped structure. The corners inside the notch have clearance holes to facilitate circumferential installation or removal on the support plate 3. The positioning paddle 13 and the support plate 3 are fixedly connected by the surface fit between the inner side of the notch and the outer side of the support plate 3 and the guide rail.

[0054] In summary, the rear stop positioning device for sheet metal bending proposed in this utility model can improve the processing capacity of automatic bending machines, and can meet the processing of small sheet metal parts as well as the bending processing of large sheet metal parts.

[0055] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0056] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0057] According to the ideal embodiments of the utility model, the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the contents in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A backstop positioning device for sheet metal bending, characterized by: The backstop mechanism comprises a support plate (3), a positioning member (4), a top plate (5) and a positioning detection assembly for detecting the position of the top plate (5). The positioning detection assembly comprises a displacement sensor (9) and a positioning adjusting component (10) capable of adjusting the position of the displacement sensor (9) along the Y-axis direction, and the output end of the positioning adjusting component (10) is connected with the displacement sensor (9). The support plate (3) is slidably installed on the bottom plate (1) along the Y-axis direction, the positioning member (4) is installed on the front side of the support plate (3) and capable of adjusting the position along the X-axis direction, and the top plate (5) is installed on the rear side of the support plate (3) and capable of abutting against the end of the displacement sensor (9).

2. The rear stop positioning device for sheet metal bending according to claim 1, characterized in that: A plurality of positioning holes (301) are formed on the front side of the support plate (3) and equidistantly distributed along the X-axis direction, a waist hole (401) corresponding to the positioning hole (301) is formed on the positioning member (4), and a fastener passes through the waist hole (401) and one of the positioning holes (301) to fix the positioning member (4) on the support plate (3).

3. The rear stop positioning device for sheet metal bending according to claim 2, characterized in that: The bottom plate (1) is fixedly installed with a base (7), the base (7) is slidably connected with the support plate (3) through a guide assembly (8), and the guide assembly (8) is parallel to the Y-axis direction.

4. The rear stop positioning device for sheet metal bending according to claim 3, characterized in that: The bottom plate (1) is installed with a fixed block (2), the backstop mechanism is provided with two, and the two backstop mechanisms are symmetrically distributed on the left and right sides of the fixed block (2).

5. The rear stop positioning device for sheet metal bending as claimed in claim 4, wherein: The fixed block (2) comprises a main body part (201), a supporting part (203) for installing the positioning detection assembly is arranged at the rear end of the main body part (201), a limiting part (202) for blocking the top plate (5) is arranged at the middle part of the main body part (201), and the front end of the main body part (201) is connected with the base (7).

6. The rear stop positioning device for sheet metal bending as claimed in claim 5, wherein: A first mounting hole (204) for installing the positioning adjusting component (10) is formed on the supporting part (203), a groove (205) for placing the displacement sensor (9) is formed above the first mounting hole (204), and a pressing block (12) for fixing the displacement sensor (9) on the supporting part (203) is arranged above the groove (205).

7. The rear stop positioning device for sheet metal bending as claimed in claim 6, wherein: A reset spring (6) is arranged between the top plate (5) and the limiting part (202), the reset spring (6) is parallel to the Y-axis direction, and the two ends of the reset spring (6) abut against the limiting part (202) and the top plate (5) respectively.

8. The rear stop positioning device for sheet metal bending according to claim 7, characterized in that: The output end of the positioning adjusting component (10) is connected with the displacement sensor (9) through a clamping block (11), and the clamping block (11) is located between the supporting part (203) and the limiting part (202).

9. The rear stop positioning device for sheet metal bending according to any one of claims 1 to 8, characterized in that: The support plate (3) and the positioning member (4) both adopt L-shaped structure.

10. The rear stop positioning device for sheet metal bending according to claim 9, characterized in that: A detachable positioning push piece (13) is sleeved on the branch plate (3), the positioning push piece (13) is in C-shaped structure, and the positioning push piece (13) is located on the front side of the bottom plate (1).

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