Front and back side clamp of front support

Abstract

The utility model discloses a front support front and back face clamp which comprises a working platform installed on a multi-axis machining center, and a first fixing plate and a second fixing plate are fixed to the two faces of the working platform respectively; a workpiece; the first fixing mechanisms are installed on the first fixing plate, each first fixing mechanism comprises an object placing block, a main positioning column is arranged in the middle of each object placing block, and a pair of symmetrical auxiliary positioning columns are arranged on the two sides of each main positioning column and used for positioning and supporting workpieces; the centering positioning parts are arranged in pairs, are mounted on the two sides of the storage block and are used for centering and clamping a workpiece; the first front pressing part is used for pressing and fixing the workpiece in the Y-axis direction; the first main pressing part is used for pressing the workpiece from the top; the second main pressing parts are symmetrically arranged on the two sides of the first main pressing part and used for pressing the workpiece together with the first main pressing part; and the multiple sets of second fixing mechanisms are installed on the second fixing plate.

Description

Technical Field

[0001] This application relates to the technical field of jigs, and particularly to a front and back jig for a front bracket. Background Art

[0002] In the field of mechanical manufacturing, especially in the manufacturing of automobiles and precision equipment, as a key structural part, the processing accuracy and efficiency of the front bracket directly affect the performance and quality of the final product. Since the front bracket usually has a complex geometric shape and strict dimensional requirements, it is particularly important to design a special jig for the processing of the front bracket.

[0003] This application aims to achieve precise and stable clamping and fixing of parts with a specific shape, so as to achieve efficient and accurate processing of the front bracket.

[0004] The above content is only used to assist in understanding the technical solution of this application, and does not represent an admission that the above content is the closest prior art to this application. Summary of the Invention

[0005] Based on this, this application provides a front and back jig for a front bracket to solve one of the above technical problems.

[0006] The technical solution adopted by this application to solve its technical problems is: a front and back jig for a front bracket, including: a work platform installed on a multi-axis machining center, with a first fixed plate and a second fixed plate fixed on its two sides respectively; a workpiece; a first fixing mechanism, multiple sets of which are installed on the first fixed plate, including: a placement block, with a main positioning column arranged in the middle thereof, and a pair of symmetrically arranged secondary positioning columns arranged on both sides of the main positioning column for positioning and supporting the workpiece; a centering positioning part, arranged in pairs and installed on both sides of the placement block for centering and clamping the workpiece; a first front pressing part for pressing and fixing the workpiece in the Y-axis direction; a first main pressing part for pressing the workpiece from the top; a second main pressing part symmetrically arranged on both sides of the first main pressing part for jointly pressing the workpiece with the first main pressing part; a second fixing mechanism, multiple sets of which are installed on the second fixed plate, including: a support member in a U shape, forming two support plates, and convex blocks are formed at the edges of both sides of the support plates for cooperating with the hole surface of the workpiece for limiting; a second front pressing part, arranged in pairs, for pressing and fixing the workpiece in the Z-axis direction; and two sets of third main pressing parts for limiting and pressing the workpiece in the Y-axis direction.

[0007] In some embodiments, the centering positioning part includes: a first oil cylinder installed in the first fixed plate for driving the centering positioning part; a first fixing member fixed on the first fixed plate, with a sliding hole formed thereon; a centering rod sliding in the sliding hole for centering and clamping the workpiece; and a connecting rod, one end of which is rotatably connected to the output end of the first oil cylinder, and the other end is rotatably connected to the centering rod.

[0008] In some embodiments, the first front pressing part includes: a second oil cylinder installed in the first fixing plate for starting the first front pressing part; a first front pressing member 532 rotatably arranged at the output end of the second oil cylinder, on which a first abutting block is arranged, and the first abutting block is used to contact and press the workpiece.

[0009] In some embodiments, the first main pressing part includes: a third oil cylinder installed in the first fixing plate for driving the first main pressing part, on which a second fixing member is installed; a first pressing member rotatably arranged at the output end of the third oil cylinder, on which a first pressing block is installed for directly abutting and pressing the workpiece; a connecting member, one end of which is rotatably connected to the second fixing member and the other end is rotatably connected to the first pressing member.

[0010] In some embodiments, the second main pressing part includes: a fourth oil cylinder installed in the first fixing plate for driving the second main pressing part; a second pressing member rotatably arranged at the output end of the fourth oil cylinder, on which a second pressing block is installed.

[0011] In some embodiments, a plurality of limiting members for limiting the first front pressing part, the first main pressing part and the second main pressing part are arranged on the first fixing plate.

[0012] In some embodiments, the second front pressing part includes: a fifth oil cylinder installed on both sides of the support member for driving the second front pressing part; a second front pressing member rotatably arranged at the output end of the fifth oil cylinder, on which a second abutting block is installed for contacting the workpiece.

[0013] In some embodiments, the third main pressing part includes: a sixth oil cylinder for driving the third main pressing part, on which a third fixing block is fixed; a third pressing member rotatably arranged at the output end of the sixth oil cylinder, which is of a special shape, and a slope is formed at one end in contact with the workpiece for cooperating with the workpiece to press; an intermediate member, both ends of which are respectively rotatably connected to the third fixing block and the third pressing member.

[0014] In some embodiments, the placing block is detachably installed on the first fixing plate through a spring pin, a groove is formed on the support member, and the support member is fixed by the cooperation of the groove and the convex block on the second fixing plate.

[0015] In some embodiments, a pair of support seats are arranged on the second fixing plate for providing support when the second front pressing member presses the workpiece.

[0016] The beneficial effects of the present application are as follows:

[0017] 1). The first fixing mechanism positions the workpiece well through the main and auxiliary positioning posts on the placement block, then centers and clamps the workpiece in the X-axis direction by the center positioning part. Next, the first front clamping part clamps the workpiece in the Y-axis direction, and then the first main clamping part and the second main clamping part clamp the workpiece from the Y-axis direction. The main clamping, center clamping, and front clamping fix the workpiece from multiple directions and cover all areas, playing a good role in clamping and fixing, and improving the accuracy of the subsequent cutting process.

[0018] 2). The first fixing mechanism makes full use of the hole surface structure formed after processing, limits the position by the support piece, and then clamps from the Z-axis and Y-axis directions respectively by the second front clamping part and multiple pairs of third main clamping parts, playing a perfect role in supporting, clamping, and fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 is a three-dimensional schematic diagram of the present application.

[0021] Figure 2 is a schematic diagram of the first fixing mechanism of the present application.

[0022] Figure 3 is a schematic diagram of the mounting structure of the placement board of the present application.

[0023] Figure 4 is a schematic diagram of the center positioning part structure of the present application.

[0024] Figure 5 is a schematic diagram of the first front clamping part of the present application.

[0025] Figure 6 is a schematic diagram of the first main clamping part of the present application.

[0026] Figure 7 is a schematic diagram of the second main clamping part of the present application.

[0027] Figure 8 is a schematic diagram of the second fixing mechanism of the present application.

[0028] Figure 9 is a schematic diagram of the second fixing mechanism from another angle of the present application.

[0029] Figure 10 is a schematic diagram of the second front clamping part of the present application.

[0030] Figure 11 It is a schematic diagram of the third main pressing part of this application.

[0031] Explanation of the reference numerals in the attached drawings: 1. Working platform, 2. First fixing plate, 3. Second fixing plate, 4. Workpiece, 5. First fixing mechanism, 51. Placing block, 511. Main positioning column, 512. Sub-positioning column, 52. Centering positioning part, 521. First oil cylinder, 522. First fixing piece, 523. Centering rod, 524. Connecting rod, 53. First front pressing part, 531. Second oil cylinder, 532. First front pressing piece 532, 54. First main pressing part, 541. Third oil cylinder, 542. First pressing piece, 543. Connecting piece, 544. Second fixing piece, 55. Second main pressing part, 551. Fourth oil cylinder, 552. Second pressing piece, 6. Second fixing mechanism, 61. Support piece, 62. Second front pressing part, 621. Fifth oil cylinder, 622. Second front pressing piece, 63. Third main pressing part, 631. Sixth oil cylinder, 632. Third pressing piece, 633. Intermediate piece, 634. Third fixing block, 7. Spring pin, 8. Support seat. Specific embodiments

[0032] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of this application. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions appears to be contradictory or unable to be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection of this application.

[0033] In the embodiments of this application, please refer to Figures 1-11As shown in the figure, the front and back clamps of a front bracket mainly include: a working platform 1, which is installed on a multi-axis machining center, and a first fixed plate 2 and a second fixed plate 3 are respectively fixed on both sides thereof; a plurality of first fixing mechanisms 5 are installed on the first fixed plate 2, including: a placing block 51, a main positioning column 511 is arranged in the middle thereof, and a pair of symmetric auxiliary positioning columns 512 are arranged on both sides of the main positioning column 511 for positioning and supporting a workpiece 4; centering positioning parts 52 are arranged in pairs and installed on both sides of the placing block 51 for centering and clamping the workpiece 4; a first front pressing part 53 for pressing and fixing the workpiece 4 in the Y-axis direction; a first main pressing part 54 for pressing the workpiece 4 from the top; second main pressing parts 55 are symmetrically arranged on both sides of the first main pressing part 54 for jointly pressing the workpiece 4 with the first main pressing part 54; a plurality of second fixing mechanisms 6 are installed on the second fixed plate 3, including: a support 61 in a U shape, forming two support plates, and convex blocks are formed at the edges on both sides of the support plates for cooperating with the hole surface of the workpiece 4 for limiting; second front pressing parts 62 are arranged in pairs for pressing and fixing the workpiece 4 in the Z-axis direction; two groups of third main pressing parts 63 are provided for limiting and pressing the workpiece 4 in the Y-axis direction.

[0034] Next, some preferred / improved embodiments based on the above embodiments will be further elaborated. Any one of the following embodiments can be selected, or multiple ones can be selected for combination.

[0035] In some embodiments, a plurality of pairs of limiting parts for limiting the first front pressing part 53, the first main pressing part 54 and the second main pressing part 55 are arranged on the first fixed plate 2.

[0036] As Figure 4 shown, the centering positioning part 52 includes: a first oil cylinder 521 installed in the first fixed plate 2 for driving the centering positioning part 52; a first fixing part 522 fixed on the first fixed plate 2, and a sliding hole is formed thereon; a centering rod 523 slides in the sliding hole for centering and clamping the workpiece 4; a connecting rod 524 is rotatably connected to the output end of the first oil cylinder 521 at one end, and the other end is rotatably connected to the centering rod 523. A limiting hole is formed in the middle of the connecting rod 524 for cooperating with the limiting part to limit the sliding distance of the centering rod 523. During use, the centering positioning parts 52 on both sides are started simultaneously, one end of the connecting rod 524 is pushed by the first oil cylinder 521, and the other end of the connecting rod 524 then pushes the centering rod 523 to slide and press the workpiece 4.

[0037] As Figure 5As shown, the first front pressing part 53 includes: a second oil cylinder 531 installed in the first fixing plate 2 for starting the first front pressing part 53; a first front pressing member 532 rotatably provided at the output end of the second oil cylinder 531, on which a first abutting block is provided, and the first abutting block is used to contact and press the workpiece 4. By rotating the first pressing member 542 to a suitable position and then starting the second oil cylinder 531 to drive the first pressing member 542 to press the workpiece 4.

[0038] As Figure 6 shown, the first main pressing part 54 includes: a third oil cylinder 541 installed in the first fixing plate 2 for driving the first main pressing part 54, on which a second fixing member 544 is installed; a first pressing member 542 rotatably provided at the output end of the third oil cylinder 541, on which a first pressing block is installed for directly abutting and pressing the workpiece 4; a connecting member 543, one end of which is rotatably connected to the second fixing member 544 and the other end is rotatably connected to the first pressing member 542. When starting the first pressing member 542, the third oil cylinder 541 pushes the first pressing member 542, and under the support of the connecting member 543, the first pressing member 542 drives the first pressing member 542 to press the workpiece 4.

[0039] As Figure 7 shown, the second main pressing part 55 includes: a fourth oil cylinder 551 installed in the first fixing plate 2 for driving the second main pressing part 55; a second pressing member 552 rotatably provided at the output end of the fourth oil cylinder 551, on which a second pressing block is installed. During operation, first rotate the second pressing member 552 to a suitable position above the workpiece 4, and then start the fourth oil cylinder 551 to press the workpiece 4 downward.

[0040] As Figure 10 shown, the second front pressing part 62 includes: a fifth oil cylinder 621 installed on both sides of the support member 61 for driving the second front pressing part 62; a second front pressing member 622 rotatably provided at the output end of the fifth oil cylinder 621, on which a second abutting block is installed for contacting the workpiece 4. By rotating the second front pressing member 622, it is convenient to place and remove the workpiece 4. When the second front pressing part 62 is working, first rotate the second front pressing member 622 to an appropriate position, and then start the fifth oil cylinder 621 to drive the second front pressing member 622 to press the workpiece 4.

[0041] As Figure 11As shown, the third main pressing part 63 includes: a sixth oil cylinder 631 for driving the third main pressing part 63, on which a third fixing block 634 is fixed; a third pressing member 632 rotatably connected to the output end of the sixth oil cylinder 631, which is of a special shape, and a slope is formed at one end in contact with the workpiece 4 for cooperating with the workpiece 4 to perform pressing; an intermediate member 633, the two ends of which are respectively rotatably connected to the third fixing block 634 and the third pressing member 632. During use, two pairs of the third main pressing parts 63 are simultaneously activated for pressing. Under the driving of the sixth oil cylinder 631 and the limiting and supporting action of the intermediate member 633, the third pressing member 632 presses the workpiece 4.

[0042] As Figure 8 shown, specifically, the third pressing members 632 of the two pairs of the third main pressing parts 63 are slightly different in size to adapt to different parts of the workpiece 4 and achieve better pressing and fixing.

[0043] As Figure 3 shown, the placing block 51 is detachably installed on the first fixing plate 2 through a spring pin 7. A groove is formed on the supporting member 61, and the supporting member 61 is fixed by cooperating with a convex block on the second fixing plate 3 through the groove, which facilitates the disassembly and assembly of the placing block 51 and the supporting member.

[0044] As Figure 9 shown, a pair of supporting seats 8 are arranged on the second fixing plate 3 for providing support when the second front pressing member 622 presses the workpiece 4.

[0045] During the specific use process, first, the workpiece 4 needs to be placed on the placing block 51 and supported and positioned by the main positioning column 511 and the secondary positioning column 512. Then, the centering and positioning part 52 is driven by the first oil cylinder 521 for centering and pressing. Next, the first front pressing part 53 presses the workpiece 4 in the Y-axis direction. Finally, the first pressing member 542 and the second pressing member 552 simultaneously press the workpiece 4 from the top, and finally the first fixing mechanism 5 fixes the workpiece.

[0046] After the first-step processing is completed, the workpiece 4 is removed. Then, under the action of the multi-axis machining center, the working platform 1 is rotated to a suitable position, and the workpiece 4 is fixed by the second fixing mechanism 6 for the next-step processing.

[0047] First, the workpiece 4 is placed on the supporting member 61, so that the supporting member 61 is clamped into the cylinder hole surface of the workpiece 4 and pressed by the second front pressing part 62 in the Z-axis direction. Finally, multiple groups of the third main pressing parts 63 perform pressing in the Y-axis direction, and then the next-step processing is carried out.

[0048] So far, various embodiments of the present application have been described in detail. To avoid obscuring the concept of the present application, some details well known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0049] Finally, it should be noted that the above are only the preferred embodiments of the present application. The foregoing embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

Claims

1. A front and back clamp of a front bracket, characterized in that: include: A working platform is installed on the multi-axis machining center, and a first fixing plate and a second fixing plate are fixed on two sides thereof respectively; The first fixing mechanism, multiple sets of which are installed on the first fixing plate, comprises: The object placement block has a main positioning column in the middle, and a pair of symmetrical auxiliary positioning columns are arranged on both sides of the main positioning column for positioning and supporting the workpiece; Centering and positioning parts are arranged in pairs and installed on both sides of the placement block for centering and clamping the workpiece; A first front pressing portion, used for pressing and fixing the workpiece in the Y-axis direction; A first main pressing portion, used for pressing the workpiece from the top; A second main pressing part, symmetrically arranged on both sides of the first main pressing part, and used to press the workpiece together with the first main pressing part; The second fixing mechanism, multiple sets of which are installed on the second fixing plate, includes: The support member is U-shaped and has two support plates. The edges of both sides of the support plates are provided with protrusions for cooperating with the hole surface of the workpiece for limiting the position. The second front clamping part is arranged in pairs and is used to clamp and fix the workpiece in the Z-axis direction; The third main clamping part is provided with two groups, which are used for limiting and clamping the workpiece in the Y-axis direction.

2. The front and back clamps of the front bracket according to claim 1, characterized in that: The centering positioning portion comprises: A first oil cylinder, installed in the first fixing plate, for driving the centering positioning part; A first fixing member, fixed on the first fixing plate, and having a sliding hole therein; A centering rod, sliding in the sliding hole, for centering and clamping the workpiece; A connecting rod has one end that rotates on the output end of the first oil cylinder and the other end that is rotationally connected to the centering rod.

3. The front and back clamps of the front bracket according to claim 1, characterized in that: The first front pressing portion comprises: a second oil cylinder, installed in the first fixing plate, and used for starting the first front pressing part; The first front pressing member is rotatably arranged on the output end of the second oil cylinder, and a first resisting block is arranged on the first front pressing member. The first resisting block is used for contacting and pressing the workpiece.

4. The front and back clamps of the front bracket according to claim 1, characterized in that: The first main pressing part comprises: a third oil cylinder, installed in the first fixing plate, used to drive the first main pressing part, on which a second fixing member is installed; A first pressing member is rotatably disposed on the output end of the third oil cylinder, and a first pressing block is mounted on the first pressing member for directly contacting and pressing the workpiece; A connecting member, one end of which is rotatably mounted on the second fixing member, and the other end of which is rotatably connected to the first pressing member.

5. The front and back clamps of the front bracket according to claim 1, characterized in that: The second main pressing part comprises: a fourth oil cylinder, installed in the first fixing plate, and used for driving the second main pressing part; The second pressing member is rotatably arranged on the output end of the fourth oil cylinder, and a second pressing block is installed on the second pressing member.

6. The front and back clamps of the front bracket according to claim 1, characterized in that: The first fixing plate is provided with a plurality of limiting members for limiting the first front pressing portion, the first main pressing portion and the second main pressing portion.

7. The front and back clamps of the front bracket according to claim 1, characterized in that: The second front pressing portion comprises: a fifth oil cylinder, installed on both sides of the support member, for driving the second front pressing part; The second front pressing member is rotatably arranged on the output end of the fifth oil cylinder, and a second abutment block is mounted on the second front pressing member for contacting with the workpiece.

8. The front and back clamps of the front bracket according to claim 1, characterized in that: The third main pressing part comprises: a sixth oil cylinder, used for driving the third main pressing part, on which a third fixing block is fixed; A third pressing member is rotated on the output end of the sixth oil cylinder and is of a special shape, and an inclined surface is formed on one end thereof that contacts the workpiece, and is used for pressing with the workpiece; The middle piece has two ends rotatably connected to the third fixing block and the third pressing piece respectively.

9. The front and back clamps of the front bracket according to claim 1, characterized in that: The object placement block is detachably mounted on the first fixing plate via a spring pin, a groove is formed on the support member, and the support member is fixed by the cooperation between the groove and the protrusion on the second fixing plate.

10. The front and back clamps of the front bracket according to claim 7, characterized in that: A pair of support seats are provided on the second fixing plate for providing support when the second front pressing member presses the workpiece.

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