Arc-shaped piece pressing tool

Abstract

The utility model relates to the technical field of automobile part machining, and particularly discloses an arc-shaped part pressing tool which comprises an operation table, a positioning block is arranged on the operation table, an arc-shaped supporting face is arranged on the positioning block, and the arc-shaped supporting face is matched with the outer arc-shaped face of an arc-shaped part; a limiting mechanism is arranged on the operation table and used for limiting rotation of the arc-shaped piece in the axial direction of the arc-shaped piece. A pressing mechanism is arranged on the operation table and used for limiting the arc-shaped piece in the axial direction. The device has the effect that the problem that when the end face of the inner plate of the arc-shaped piece is machined, three-dimensional fixing and pressing operation conducted by workers on the arc-shaped piece is tedious, time-consuming and labor-consuming is solved.

Description

Technical Field

[0001] The present application relates to the technical field of automotive parts processing, and particularly relates to a pressing tool for arc-shaped parts. Background Art

[0002] In automotive parts, arc-shaped parts are a common type of workpiece, and the arc-shaped structure of arc-shaped parts is a general requirement for automotive styling design.

[0003] Refer to Figure 1 , the arc-shaped part 1 includes an arc-shaped plate 11 and two inner plates 12 arranged at intervals along the axial direction of the arc-shaped plate 11 on the inner arc surface of the arc-shaped plate 11. When milling the end face of the inner plate 12, the arc-shaped part 1 needs to be placed upside down. At this time, the outer arc surface 13 of the arc-shaped plate 11 is at the bottom, and the positioning is inconvenient. Moreover, it is necessary to fix and press the arc-shaped part 1 three-dimensionally before processing, and the operation of the worker is relatively cumbersome, time-consuming and laborious. Utility Model Content

[0004] In order to improve the problem that when processing the end face of the inner plate of the arc-shaped part, the operation of the worker for three-dimensionally fixing and pressing the arc-shaped part is relatively cumbersome, time-consuming and laborious, the present application provides a pressing tool for arc-shaped parts.

[0005] The pressing tool for arc-shaped parts provided by the present application adopts the following technical solutions:

[0006] A pressing tool for arc-shaped parts includes an operating table, a positioning block is provided on the operating table, an arc-shaped supporting surface is opened on the positioning block, and the arc-shaped supporting surface is used to adapt to the outer arc surface of the arc-shaped part; a limiting mechanism is arranged on the operating table, and the limiting mechanism is used to limit the rotation of the arc-shaped part around its own axis; a pressing mechanism is arranged on the operating table, and the pressing mechanism is used to limit the axial direction of the arc-shaped part.

[0007] By adopting the above technical solutions, when in use, the side of the outer arc surface of the arc-shaped part is directly placed on the arc-shaped supporting surface of the positioning block, and the arc-shaped part is pressed on the positioning block under the action of its own gravity. Then, the arc-shaped part is rotated appropriately along the axis of the arc-shaped part until the arc-shaped part is limited by the limiting mechanism. Then, the axial direction of the arc-shaped part is limited by the pressing mechanism. At this time, the overall three-dimensional fixation of the arc-shaped part can be realized. The structure is simple and easy to use, and it improves the problem that when processing the end face of the inner plate of the arc-shaped part, the operation of the worker for three-dimensionally fixing and pressing the arc-shaped part is relatively cumbersome, time-consuming and laborious.

[0008] Optionally, the limiting mechanism includes a limiting block and a pressing block. The limiting block is horizontally fixed on the positioning block, and the bottom wall of the limiting block is used to abut against one end of the arc-shaped part in the length direction; the pressing block is fixed on the limiting block, and the end of the pressing block away from the limiting block is used to abut against the inner arc surface of the arc-shaped part.

[0009] By adopting the above technical solution, rotate the arc-shaped part until one end in the length direction of the arc-shaped part abuts against the limit block. At this time, the end of the pressing block far from the limit block abuts against the inner arc surface of the arc-shaped part. The limit block can limit the continuous rotation of the arc-shaped part, and the pressing block can limit the upward lifting of the arc-shaped part. Under the combined action of the two, the limit mechanism realizes the limit of the rotation of the arc-shaped part around its own axis, and the structure is simple and practical.

[0010] Optionally, the pressing mechanism includes a limit plate, a telescopic cylinder, and a clamping block. The limit plate is vertically arranged on the operating table. The telescopic cylinder is fixedly arranged on the limit plate. The moving direction of the output end of the telescopic cylinder is parallel to the axis of the arc-shaped support surface. The clamping block is connected to the output end of the telescopic cylinder through a fixing component.

[0011] By adopting the above technical solution, after placing the arc-shaped part on the arc-shaped support surface of the positioning block, the limit mechanism limits the rotation of the arc-shaped part around its own axis. Then, the clamping block is fixed on the output end of the telescopic cylinder through the fixing component. Start the telescopic cylinder to drive the clamping block to move towards the limit plate. During the movement, the clamping block abuts against the end surface in the width direction of the arc-shaped part, and then presses the arc-shaped part against the limit plate, thereby realizing the three-dimensional fixation of the arc-shaped part. The matching setting of the limit plate, the telescopic cylinder, and the clamping block has a relatively simple structure and is convenient to operate. The pressing of the arc-shaped part is stable and reliable.

[0012] Optionally, the fixing component includes a screw and a pressing nut. The clamping block includes a cross bar and a vertical bar connected perpendicular to each other. A clamping through groove is formed on the vertical bar. One end of the screw is fixedly connected to the output end of the telescopic cylinder. The end of the screw far from the telescopic cylinder passes through the clamping through groove. The pressing nut is threadedly connected to the screw on the side of the clamping block away from the telescopic cylinder.

[0013] By adopting the above technical solution, when fixing the clamping block on the output end of the telescopic cylinder, it is only necessary to sleeved the clamping block on the screw through the clamping through groove, and then tighten the pressing nut to limit the position of the clamping block. The structure is simple and easy to use.

[0014] Optionally, a limit rod is connected to the limit plate. The limit rod is parallel to the screw. The projection distance from the end of the limit rod far from the limit plate to the limit plate is adapted to the width of the arc-shaped part. The limit rod is located on the moving path of the vertical bar.

[0015] By adopting the above technical solution, when the clamping block presses the arc-shaped part against the limiting plate, the vertical rod in the clamping block also presses against the end of the limiting rod at the same time. The setting of the limiting rod can limit the movement of the clamping block to prevent the clamping block from over-pressing the arc-shaped part and causing damage to the arc-shaped part; and when the two ends of the cross rod press against the end surface of the arc-shaped part in the width direction, the vertical rod abuts against the limiting rod, which can make the clamping block as a whole be subjected to force at three points, the force is balanced, and the posture of the clamping block is more stable.

[0016] Optionally, a mounting block is bolted and fixed on the limiting plate, a mounting nut is fixed on the mounting block, and the limiting rod is threadedly connected to the mounting nut.

[0017] By adopting the above technical solution, the projection distance from the end of the limit rod away from the limit plate to the limit plate can be adjusted by rotating the limit rod, thereby adjusting the maximum movement of the clamping block. The structure is simple and easy to use.

[0018] Optionally, a plurality of wear-resistant blocks are bolted and fixed on the limit plate around the axis of the arc-shaped supporting surface of the positioning block, and the wear-resistant blocks are used to abut against the end surface of the arc-shaped member in the width direction.

[0019] By adopting the above technical solution, the wear-resistant block replaces the limit plate to contact the arc part, which reduces the damage of the arc part to the limit plate during clamping, extends the service life of the clamping tooling of this application, and the bolted wear-resistant block can be replaced in time, which can also make the clamping operation of the arc part more precise.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] 1. The positioning block with an arc-shaped support surface, the limiting mechanism and the pressing mechanism are arranged in coordination, so that when in use, it is only necessary to place the outer arc surface of the arc-shaped part on the arc-shaped support surface of the positioning block, and then the arc-shaped part is limited in rotation around its own axis by the limiting mechanism, and then the arc-shaped part is limited in the axial direction by the pressing mechanism, so that the arc-shaped part can be quickly locked in three dimensions as a whole. The structure is simple and easy to use, which improves the problem that when processing the end surface of the inner plate of the arc-shaped part, the workers have to perform three-dimensional fixing and pressing operations on the arc-shaped part, which is cumbersome, time-consuming and labor-intensive;

[0022] 2. The arrangement of the limit plate, the telescopic cylinder and the clamping block enables the clamping block to be installed on the output end of the telescopic cylinder through the fixing assembly when the arc plate is limited in the axial direction, and then the telescopic cylinder is started to drive the clamping block to move toward the limit plate. The clamping block presses the arc plate against the limit plate during the movement, which has a simple structure and is easy to use;

[0023] 3. The structure where the mounting nut is threadedly connected to the limiting rod enables the adjustment of the threaded connection depth between the adjusting limiting rod and the mounting nut, thereby adjusting the projection distance from the end of the limiting rod away from the limiting plate to the limiting plate, and thus adjusting the maximum movement amount of the clamping block to avoid over-pressing the arc-shaped part by the clamping block and causing damage to the arc-shaped part. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0025] Figure 1 is the overall structural schematic diagram of the arc-shaped part in the background art;

[0026] Figure 2 is the exploded structural schematic diagram of the embodiment of the present application;

[0027] Figure 3 is the overall structural schematic diagram of the arc-shaped part in the fixed state in the embodiment of the present application;

[0028] Reference numerals: 1, arc-shaped part; 11, arc-shaped plate; 12, inner plate; 13, outer arc surface; 2, operating table; 3, positioning block; 31, arc-shaped supporting surface; 4, limiting mechanism; 41, limiting block; 42, pressing block; 5, pressing mechanism; 51, limiting plate; 511, mounting block; 512, mounting nut; 513, limiting rod; 52, telescopic cylinder; 53, clamping block; 531, cross bar; 532, vertical bar; 533, engaging through groove; 54, screw rod; 55, pressing nut; 56, anti-loosening nut; 6, switching valve; 7, wear-resistant block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following will further elaborate on the present application in conjunction with the attached Figures 1-3 for further detailed description of the present application.

[0030] The embodiment of the present application discloses a pressing tool for an arc-shaped part 1. Refer to Figure 2 and Figure 3 , the pressing tool for the arc-shaped part 1 includes an operating table 2 and a positioning block 3, a limiting mechanism 4, and a pressing mechanism 5 provided on the operating table 2.

[0031] Refer to Figure 2The positioning block 3 is bolted and fixed on the operating table 2. Two positioning blocks 3 are arranged at intervals on the left and right. Both positioning blocks 3 are provided with arc-shaped support surfaces 31. The arc-shaped support surfaces 31 have the same diameter as the outer arc-shaped surface 13 of the arc-shaped member 1. When in use, the outer arc-shaped surface 13 of the arc-shaped member 1 is directly placed on the arc-shaped support surface 31 of the positioning block 3. The arc-shaped member 1 is pressed against the positioning block 3 under the action of its own gravity.

[0032] Reference Figure 2 and Figure 3 The limiting mechanism 4 is used to limit the rotation of the arc-shaped member 1 around its own axis. The limiting mechanism 4 includes a limiting block 41 and a pressing block 42. The limiting block 41 is bolted and fixed on the right positioning block 3 along the horizontal direction. The arc-shaped member 1 placed on the positioning block 3 rotates to the upper right around its own axis until it is pressed against the bottom wall of the limiting block 41, thereby limiting the arc-shaped member 1 from continuing to rotate around its own axis. The pressing block 42 is welded and fixed to the bottom wall of the limiting block 41. When one end of the arc-shaped member 1 in the length direction is pressed against the bottom wall of the limiting block 41, the end of the pressing block 42 away from the limiting block 41 just abuts against the inner arc surface of the arc-shaped member 1, thereby further limiting the upward movement of the arc-shaped member 1. The limiting block 41 and the pressing block 42 are provided to limit the rotation of the arc-shaped member 1 around its own axis, and the structure is simple and practical.

[0033] The clamping mechanism 5 is used to limit the axial movement of the arc-shaped member 1. The clamping mechanism 5 includes a limit plate 51, a telescopic cylinder 52 and a clamping block 53. The limit plate 51 is fixedly installed vertically on the upper surface of the operating table 2, and the plane where the limit plate 51 is located is parallel to the end face of the arc-shaped member 1 in the width direction in the installed state. The telescopic cylinder 52 is bolted and fixed to the side of the limit plate 51 away from the positioning block 3 in the transverse direction. The moving direction of the output end of the telescopic cylinder 52 is parallel to the axis of the arc-shaped support surface 31 on the positioning block 3; the clamping block 53 is connected to the output end of the telescopic cylinder 52 through a fixing component, and a switch valve 6 for controlling the opening and closing of the telescopic cylinder 52 is provided on the operating table 2.

[0034] After the arc-shaped member 1 is placed on the arc-shaped support surface 31 of the positioning block 3, the clamping block 53 is fixed to the output end of the telescopic cylinder 52 through the fixing assembly, and the output end of the telescopic cylinder 52 is driven to move toward the limit plate 51 through the switch valve 6. The clamping block 53 presses the arc-shaped member 1 against the limit plate 51 during the movement, thereby realizing the limit of the axial movement of the arc-shaped member 1. The matching arrangement of the limit plate 51, the telescopic cylinder 52 and the clamping block 53 has a simple structure, and the clamping of the arc-shaped member 1 is relatively convenient and quick, and the workers save time and effort in operation.

[0035] Further, in order to prevent the arc-shaped member 1 from pressing against the limiting plate 51 and causing local deformation of the limiting plate 51, which affects the pressing and positioning accuracy of the arc-shaped member 1, on the side of the limiting plate 51 close to the positioning block 3, a plurality of wear-resistant blocks 7 are bolted and fixed around the axis of the arc-shaped support surface 31 on the positioning block 3. The wear-resistant blocks 7 contact the end surface of the arc-shaped member 1 in the width direction instead of the limiting plate 51, thereby reducing the damage to the limiting plate 51 and extending its service life.

[0036] The fixing assembly includes a screw rod 54 and a pressing nut 55. The screw rod 54 is welded and fixed to the output end of the telescopic cylinder 52, and the pressing nut 55 is threadedly connected to the screw rod 54. The clamping block 53 includes a cross bar 531 and a vertical bar 532 that are integrally formed and perpendicularly connected. A clamping through groove 533 is formed on one side of the vertical bar 532. When fixing the clamping block 53, first, the clamping block 53 is sleeved on the screw rod 54 through the clamping through groove 533, and then the pressing nut 55 is threadedly connected to the screw rod 54. The telescopic cylinder 52 drives the screw rod 54 to move closer to the limiting plate 51, driving the pressing nut 55 to drive the clamping block 53 to move, so that the two ends of the cross bar 531 on the clamping block 53 are pressed against the end surfaces of the arc-shaped member 1 in the width direction, thereby clamping and fixing the arc-shaped member 1. When the arc-shaped member 1 needs to be disassembled after processing, only need to drive the output end of the telescopic cylinder 52 away from the limiting plate 51, and then remove the clamping block 53. In addition, in order to prevent the pressing nut 55 from loosening and shifting, a locknut 56 is threadedly connected to the screw rod 54 on the side away from the limiting plate 51 of the pressing nut 55.

[0037] Further, in order to limit the maximum movement amount of the clamping block 53 and prevent the arc-shaped member 1 from being over-pressed and damaged, an installation block 511 is bolted and fixed on the side of the limiting plate 51 close to the positioning block 3. An installation nut 512 is welded and fixed on the installation block 511, and a limiting rod 513 is threadedly connected to the installation nut 512. The limiting rod 513 is parallel to the screw rod 54. The minimum projection distance from the end of the limiting rod 513 away from the limiting plate 51 to the wear-resistant block 7 is the same as the width of the arc-shaped member 1. The limiting rod 513 is on the movement track of the vertical bar 532 of the clamping block 53. By rotating the limiting rod 513 to adjust the threaded connection depth of the limiting rod 513 with the installation nut 512, the minimum projection distance from the end of the limiting rod 513 away from the limiting plate 51 to the wear-resistant block 7 can be adjusted until it is the same as the width of the arc-shaped member 1, thereby adjusting the maximum movement amount of the clamping block 53. When the clamping block 53 drives the arc-shaped member 1 to move towards the limiting plate 51, when the clamping block 53 moves to the maximum displacement position, it abuts against the limiting rod 513, thereby preventing the arc-shaped member 1 from being over-pressed and damaged.

[0038] The implementation principle of the pressing tool for the arc-shaped part 1 in the embodiment of this application is as follows: When three-dimensionally fixing the arc-shaped part 1, first directly place one side of the outer arc surface 13 of the arc-shaped part 1 on the arc-shaped supporting surface 31 of the positioning block 3; then rotate the arc-shaped part 1 around the axis of the arc-shaped supporting surface 31 until one end in the length direction of the arc-shaped part 1 abuts against the bottom wall of the limiting block 41, and the bottom of the pressing block 42 abuts against the inner arc surface of the arc-shaped part 1, thereby restricting the continuous rotation of the arc-shaped part 1. At this time, the arc-shaped part 1 is fixed in two dimensions. Then, appropriately rotate the limiting rod 513 according to the width of the arc-shaped part 1, so that the projection distance from the end of the limiting rod 513 far from the limiting plate 51 to the wear-resistant block 7 is the same as the width of the arc-shaped part 1; then, sleuth the clamping block 53 on the screw rod 54 through the engaging through groove 533 on the clamping block 53, tighten the pressing nut 55 and the locking nut 56 in sequence, and finally drive the telescopic cylinder 52 to drive the clamping block 53 to move towards the direction close to the limiting plate 51 through the switching valve 6, thereby pressing and fixing the arc-shaped part 1 on the limiting plate 51. Thus, the three-dimensional fixing and pressing of the arc-shaped part 1 is realized. The structure is relatively simple, and it is more convenient, time-saving and labor-saving for workers to perform the three-dimensional fixing and pressing operation on the arc-shaped part 1.

[0039] The above are all optional embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of this application shall be covered within the protection scope of this application.

Claims

1. A curved part pressing tool, characterized in that: The invention comprises an operating table (2), wherein a positioning block (3) is provided on the operating table (2), wherein an arc-shaped support surface (31) is provided on the positioning block (3), wherein the arc-shaped support surface (31) is adapted to match the outer arc-shaped surface (13) of the arc-shaped member (1); a limiting mechanism (4) is provided on the operating table (2), wherein the limiting mechanism (4) is adapted to limit the rotation of the arc-shaped member (1) around its own axis; and a clamping mechanism (5) is provided on the operating table (2), wherein the clamping mechanism (5) is adapted to limit the axial direction of the arc-shaped member (1).

2. The arc-shaped component pressing tool according to claim 1, characterized in that: The limiting mechanism (4) comprises a limiting block (41) and a pressing block (42); the limiting block (41) is transversely fixed on the positioning block (3); the bottom wall of the limiting block (41) is used to abut against one end of the arc-shaped member (1) in the length direction; the pressing block (42) is fixed on the limiting block (41); the end of the pressing block (42) away from the limiting block (41) is used to abut against the inner arc surface of the arc-shaped member (1).

3. The arc-shaped component pressing tool according to claim 1, characterized in that: The clamping mechanism (5) comprises a limit plate (51), a telescopic cylinder (52) and a clamping block (53); the limit plate (51) is vertically arranged on the operating table (2); the telescopic cylinder (52) is fixed on the limit plate (51); the moving direction of the output end of the telescopic cylinder (52) is parallel to the axis of the arc-shaped supporting surface (31); and the clamping block (53) is connected to the output end of the telescopic cylinder (52) through a fixing component.

4. The arc-shaped component pressing tool according to claim 3, characterized in that: The fixing assembly comprises a screw rod (54) and a clamping nut (55); the clamping block (53) comprises a horizontal rod (531) and a vertical rod (532) which are vertically connected to each other; a snap-fitting groove (533) is provided on the vertical rod (532); one end of the screw rod (54) is fixedly connected to the output end of the telescopic cylinder (52); one end of the screw rod (54) away from the telescopic cylinder (52) is inserted into the snap-fitting groove (533); and the clamping nut (55) is threadedly connected to the screw rod (54) on the side of the clamping block (53) away from the telescopic cylinder (52).

5. The arc-shaped component pressing tool according to claim 4, characterized in that: The limiting plate (51) is connected to a limiting rod (513), the limiting rod (513) is parallel to the screw rod (54), the projection distance from one end of the limiting rod (513) away from the limiting plate (51) to the limiting plate (51) is adapted to the width of the arc-shaped member (1), and the limiting rod (513) is located on the moving path of the vertical rod (532).

6. The arc-shaped component pressing tool according to claim 5, characterized in that: A mounting block (511) is bolted and fixed on the limiting plate (51), a mounting nut (512) is fixed on the mounting block (511), and the limiting rod (513) is threadedly connected to the mounting nut (512).

7. The arc-shaped component pressing tool according to claim 3, characterized in that: A plurality of wear-resistant blocks (7) are bolted and fixed on the limit plate (51) around the axis of the arc-shaped support surface (31) of the positioning block (3), and the wear-resistant blocks (7) are used to abut against the end surface of the arc-shaped member (1) in the width direction.

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