Multi-station and multi-procedure machining center manual clamp

Abstract

The utility model discloses a multi-station and multi-procedure manual clamp for a machining center, which comprises a machining platform, a first working procedure area and a second working procedure area are arranged on the machining platform in a rotatable manner, two groups of first positioning structures are arranged on the first working procedure area, and two groups of second positioning structures are arranged on the second working procedure area; the two first positioning structures are symmetrically distributed on the two sides of the first working procedure area, each first positioning structure comprises an adjusting bolt, a first limiting piece and a second limiting piece which are installed on the first working procedure area and distributed in a C shape, and the adjusting bolts can be adjusted front and back; the two second positioning structures are symmetrically distributed on the two sides of the second working procedure area, each second positioning structure comprises four positioning columns, and the four positioning columns are distributed in a rectangular structure. The tool changing time for part machining is greatly shortened, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a multi-station and multi-process manual clamp for a machining center. Background Art

[0002] The fixture currently used on the horizontal machining center first uses a tooling base plate to fix it on the machine tool workbench, then places a part on the tooling, and then starts processing one of the work steps. When the same tool is required in multiple steps of a process, the program needs to add several sections and the tool changing arm also needs to move frequently, which greatly increases the tool changing time and reduces the processing efficiency. The wear of the machine tool tool changing arm will also increase, which not only increases the processing cost, but also increases the maintenance cost. Summary of the invention

[0003] In view of the above problems of the existing clamps, the present invention aims to provide a multi-station, multi-process machining center manual clamp which can reduce tool change time and improve machining efficiency.

[0004] The specific technical solutions are as follows:

[0005] A multi-station, multi-process machining center manual clamp comprises: a machining platform, the machining platform is rotatably arranged, and the machining platform has a first process area and a second process area, the first process area has two groups of first positioning structures, and the second process area has two groups of second positioning structures;

[0006] Two groups of the first positioning structures are symmetrically distributed on both sides of the first process area, each of the first positioning structures comprises an adjusting bolt, a first limiting member and a second limiting member which are installed on the first process area and are distributed in a "C" shape, and the adjusting bolt can be adjusted forward and backward;

[0007] Two groups of the second positioning structures are symmetrically distributed on both sides of the second process area. Each of the second positioning structures includes four positioning posts, and the four positioning posts are distributed in a rectangular structure.

[0008] As a further improvement and optimization of this solution, the first process area is provided with two side mounting blocks, the two side mounting blocks are respectively located on both sides of the first process, and the two adjusting bolts are respectively threadedly mounted on the two side mounting blocks, and the front and rear positions of the adjusting bolts can be adjusted by screwing the adjusting bolts.

[0009] As a further improvement and optimization of this solution, the first process area is further provided with two end surface mounting blocks, the two end surface mounting blocks are located on the inner side of the first process and between the two end surface mounting blocks;

[0010] Wherein, the first limiting member comprises an end surface limiting bolt, and the two end surface limiting screws of the two first limiting members are respectively mounted on the two end surface mounting blocks.

[0011] As a further improvement and optimization of this solution, the first process area is provided with an intermediate mounting block, and the intermediate mounting block is arranged between the two end surface mounting blocks;

[0012] Wherein, the second position-limiting member comprises at least one abutting bolt, and at least two of the abutting bolts in the two second position-limiting members are threadedly mounted on the middle mounting block.

[0013] As a further improvement and optimization of the present solution, the first positioning structure also includes a large pressure plate and at least two screws, the large pressure plate has a waist-shaped hole, one end of the two screws is threadedly connected to the first process area, and the other ends of the two screws are respectively threadedly installed with clamping nuts through the waist-shaped hole.

[0014] As a further improvement and optimization of the present solution, the second positioning structure further includes a supporting floating rod, which is elastically mounted on the second process area and is located between the four positioning columns.

[0015] As a further improvement and optimization of the present solution, the second positioning structure further includes two support blocks, the two support blocks are mounted on the second process area, and a buffer spring is connected between the support floating rod and each of the support blocks.

[0016] As a further improvement and optimization of this solution, two support frames are slidably installed on the second process area between the two second positioning structures. The two support frames can slide between the two second positioning structures. A bidirectional screw is provided between the two support frames. The two ends of the bidirectional screw are respectively threadedly connected to the two support frames. When the bidirectional screw rotates, the two support frames slide towards or away from each other.

[0017] As a further improvement and optimization of the present solution, the second positioning structure also includes four small pressure plates, which are distributed in a rectangular structure. A clamping bolt is provided between each small pressure plate and the second process area, and the clamping bolt passes through the small pressure plate and is threadedly installed on the second process area.

[0018] As a further improvement and optimization of this solution, it also includes a driving structure, which is transmission-connected to the processing platform and is used to drive the processing platform to rotate.

[0019] Compared with the prior art, the above technical solution has the following positive effects:

[0020] (1) The utility model can meet the needs of processing the required surfaces with one tool by integrating the tooling in the first process area and the second process area, thereby greatly reducing the tool change time and improving the processing efficiency.

[0021] (2) In the present invention, multiple parts are placed in the first process area and the second process area on a tool, and one tool can process the required surfaces, thereby reducing tool change time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural schematic diagram of a multi-station, multi-process machining center manual clamp of the utility model;

[0023] In the attached drawings: 1. Processing platform; 2. First positioning structure; 3. Second positioning structure; 11. First process area; 12. Second process area; 21. Adjusting bolt; 22. First limit piece; 23. Second limit piece; 24. Large pressure plate; 25. Screw; 26. Compression nut; 111. Side mounting block; 112. End mounting block; 113. Middle mounting block; 31. Positioning column; 32. Support floating rod; 33. Support block; 34. Small pressure plate; 35. Compression bolt; 36. Support frame; 37. Bidirectional screw. DETAILED DESCRIPTION

[0024] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Figure 1 This is a schematic diagram of the structure of a multi-station, multi-process machining center manual clamp of the utility model. Figure 1 As shown, a preferred embodiment of a multi-station, multi-process machining center manual clamp is shown, including: a machining platform 1, the machining platform 1 can be rotatably set, and the machining platform 1 has a first process area 11 and a second process area 12, the first process area 11 has two groups of first positioning structures 2, and the second process area 12 has two groups of second positioning structures 3; the two groups of first positioning structures 2 are symmetrically distributed on both sides of the first process area 11, each first positioning structure 2 includes an adjusting bolt 21, a first limit member 22 and a second limit member 23 installed on the first process area 11 and distributed in a "C" shape, and the adjusting bolt 21 can be adjusted forward and backward; the two groups of second positioning structures 3 are symmetrically distributed on both sides of the second process area 12, each second positioning structure 3 includes four positioning columns 31, and the four positioning columns 31 are distributed in a rectangular structure.

[0028] In this embodiment, during processing, a part is placed at one of the first positioning structures 2, so that one side of the part is close to the second stopper 23 and the head is close to the first stopper 22, and the other side of the part is pushed and locked by turning the adjusting bolt 21, so that the part is positioned in the first positioning structure 2, and the processing platform 1 is rotated to rotate the part to the tool processing station, and then the processing of each plane that can be processed is started, and through holes or threaded holes are drilled;

[0029] The part processed in the first process area 11 is then placed in one of the second positioning structures 3 in the second process area 12, and the four through holes or threaded holes processed in the first process area 11 of the part are positioned respectively by four positioning columns 31, and the processing platform 1 is rotated again, and the part is rotated to the tool processing station again, and other machinable blank surfaces are processed. After all surfaces are processed, the tool is changed, and the next tool to be used is removed, and processing is performed according to the previous process steps.

[0030] As a further improvement and optimization of the present solution, the first process area 11 is provided with two side mounting blocks 111, the two side mounting blocks 111 are respectively located on both sides of the first process, and two adjusting bolts 21 are respectively threadedly mounted on the two side mounting blocks 111, and the front and rear positions of the adjusting bolts 21 can be adjusted by screwing the adjusting bolts 21.

[0031] As a further improvement and optimization of the present solution, the first process area 11 is also provided with two end surface mounting blocks 112, which are located on the inner side of the first process and between the two end surface mounting blocks 112; wherein, the first limiting member 22 includes an end surface limiting bolt, and the two end surface limiting screws of the two first limiting members 22 are respectively mounted on the two end surface mounting blocks 112, and when the first positioning structure 2 positions the part, the limiting bolt makes limiting contact with the head of the part.

[0032] As a further improvement and optimization of the present solution, an intermediate mounting block 113 is provided on the first process area 11, and the intermediate mounting block 113 is arranged between the two end surface mounting blocks 112; wherein, the second limiting member 23 includes at least one abutment bolt, and at least two abutment bolts in the two second limiting members 23 are threadedly mounted on the intermediate mounting block 113, and when the first positioning structure 2 positions the part, the limiting bolt makes limiting contact with one side of the part.

[0033] As a further improvement and optimization of the present scheme, the first positioning structure 2 also includes a large pressure plate 24 and at least two screws 25. The large pressure plate 24 has a waist-shaped hole. One end of the two screws 25 is threadedly connected to the first process area 11, and the other ends of the two screws 25 are respectively passed through the waist-shaped holes and threadedly installed with clamping nuts 26. After the adjusting bolt 21, the first limiter 22 and the second limiter 23 horizontally position the part, the large pressure plate 24 is placed on the top of the part, one end of the two screws 25 passes through the waist-shaped hole, the part is threadedly installed in the first process area 11, and the other end is tightened with the clamping nut 26, so that the large pressure plate 24 is pressed to the top of the part, thereby longitudinally limiting the part, improving the positioning effect of the part, and increasing the processing accuracy.

[0034] As a further improvement and optimization of the present solution, the second positioning structure 3 also includes a supporting floating rod 32, which is elastically mounted on the second process area 12 and located between the four positioning columns 31. When the parts processed in the first process area 11 are placed on the second positioning structure 3 on the second process area 12 for positioning, the supporting floating rod 32 can elastically support the parts to avoid impact damage to the four positioning columns 31 when they are respectively positioned and inserted into the four through holes or threaded holes on the parts.

[0035] As a further improvement and optimization of the present solution, the second positioning structure 3 further includes two support blocks 33 , which are mounted on the second process area 12 , and a buffer spring is connected between the support floating rod 32 and each support block.

[0036] As a further improvement and optimization of the present scheme, two support frames 36 are also slidably installed on the second process area 12 located between the two second positioning structures 3. The two support frames 36 can slide between the two second positioning structures 3. A bidirectional screw 37 is provided between the two support frames. The two ends of the bidirectional screw 37 are respectively threadedly connected to the two support frames. When the bidirectional screw 37 rotates, the two support frames 36 slide towards or away from each other. When the two second positioning structures 3 respectively position the two parts, the two support frames 36 can be rotated to move away from each other and support the sides of the two parts that are close to each other, thereby improving the positioning stability of the parts during processing.

[0037] Specifically, the bidirectional screw 37 has two thread segments, the thread directions of the two thread segments are opposite, and the two support frames are respectively threadedly sleeved on the outside of the two thread segments.

[0038] As a further improvement and optimization of the present solution, the second positioning structure 3 also includes four small pressure plates 34, which are distributed in a rectangular structure. A clamping bolt 35 is provided between each small pressure plate 34 and the second process area 12, and the clamping bolt 35 passes through the small pressure plate 34 and is threadedly installed on the second process area 12. After the second positioning structure 3 positions the part through four positioning columns 31, the four clamping bolts 35 are tightened, and the four small pressure plates 34 are lowered and respectively pressed on the four ear plates on the part to limit the part longitudinally, thereby further improving the positioning stability of the part.

[0039] As a further improvement and optimization of this solution, it also includes a driving structure (not shown in the figure), which is transmission-connected to the processing platform 1 and is used to drive the processing platform 1 to rotate.

[0040] Preferably, the driving structure is a motor driving structure.

[0041] This embodiment integrates the tooling on the first process area 11 and the second process area 12, so that one tool can process the required surfaces, thereby greatly reducing tool change time and improving processing efficiency.

[0042] In this embodiment, multiple parts are placed in the first process area and the second process area on a tool, and one tool can process the required surfaces, thereby reducing tool change time.

[0043] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-station, multi-process machining center manual clamp, characterized in that: include: A processing platform, wherein the processing platform is rotatable and has a first process area and a second process area, wherein the first process area has two sets of first positioning structures, and the second process area has two sets of second positioning structures; Two groups of the first positioning structures are symmetrically distributed on both sides of the first process area, each of the first positioning structures comprises an adjusting bolt, a first limiting member and a second limiting member which are installed on the first process area and are distributed in a "C" shape, and the adjusting bolt can be adjusted forward and backward; Two groups of the second positioning structures are symmetrically distributed on both sides of the second process area. Each of the second positioning structures includes four positioning posts, and the four positioning posts are distributed in a rectangular structure.

2. The multi-station, multi-process machining center manual clamp according to claim 1, characterized in that: The first process area is provided with two side mounting blocks, which are respectively located at two sides of the first process, and the two adjusting bolts are respectively threadedly mounted on the two side mounting blocks, and the front and rear positions of the adjusting bolts can be adjusted by screwing the adjusting bolts.

3. The multi-station, multi-process machining center manual clamp according to claim 2, characterized in that: The first process area is also provided with two end surface mounting blocks, the two end surface mounting blocks are located on the inner side of the first process and between the two end surface mounting blocks; Wherein, the first limiting member comprises an end surface limiting bolt, and the two end surface limiting screws of the two first limiting members are respectively mounted on the two end surface mounting blocks.

4. The multi-station, multi-process machining center manual clamp according to claim 3, characterized in that: The first process area is provided with an intermediate mounting block, and the intermediate mounting block is arranged between the two end surface mounting blocks; Wherein, the second position-limiting member comprises at least one abutting bolt, and at least two of the abutting bolts in the two second position-limiting members are threadedly mounted on the middle mounting block.

5. The multi-station, multi-process machining center manual clamp according to claim 1, characterized in that: The first positioning structure also includes a large pressure plate and at least two screws. The large pressure plate has a waist-shaped hole. One end of the two screws is threadedly connected to the first process area, and the other ends of the two screws are respectively threadedly installed with clamping nuts through the waist-shaped hole.

6. The multi-station, multi-process machining center manual clamp according to claim 1, characterized in that: The second positioning structure also includes a supporting floating rod, which is elastically installed on the second process area and is located between the four positioning columns.

7. The multi-station, multi-process machining center manual clamp according to claim 6, characterized in that: The second positioning structure further includes two support blocks, which are mounted on the second process area, and a buffer spring is connected between the support floating rod and each of the support blocks.

8. The multi-station, multi-process machining center manual clamp according to claim 1, characterized in that: Two support frames are also slidably installed on the second process area located between the two second positioning structures. The two support frames can slide between the two second positioning structures. A bidirectional screw is provided between the two support frames. The two ends of the bidirectional screw are respectively threadedly connected to the two support frames. When the bidirectional screw rotates, the two support frames slide towards or away from each other.

9. The multi-station, multi-process machining center manual clamp according to claim 1, characterized in that: The second positioning structure also includes four small pressure plates, which are distributed in a rectangular structure. A clamping bolt is provided between each small pressure plate and the second process area. The clamping bolt passes through the small pressure plate and is threadedly installed on the second process area.

10. The multi-station, multi-process machining center manual clamp according to claim 1, characterized in that: It also includes a driving structure, which is transmission-connected to the processing platform and is used to drive the processing platform to rotate.

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