Vertical machining center tool clamp
By designing vertical machining center tool clamps, using a variety of structures such as clamp seats, distance adjustment structures and auxiliary clamping structures, the problem that existing tool clamps are difficult to adapt to transmission shafts of different sizes is solved, and the rapid automatic clamping and effective machining of transmission shafts is achieved, which significantly improves the scope of application and flexibility of tool clamps.
Patent Information
- Application Number
- CN202421996467.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-16
AI Technical Summary
Existing tooling fixtures are difficult to adapt to transmission shafts of different lengths or diameters, and cannot effectively fix the universal joints of the transmission shaft, resulting in poor processing results.
A vertical machining center tool fixture is designed, which adopts clamping seat, pitch adjustment structure, sliding sleeve, adjustment rod, transmission block, fixing frame, rotary shaft, connecting frame, roller, clamping block and height adjustment structure to achieve rapid and automated clamping of transmission shafts of different sizes, and fixing the universal joint through auxiliary clamping structures.
It significantly improves the scope of application and flexibility of tooling fixtures, ensures stable clamping and effective processing of transmission shafts of different lengths or diameters, and enhances the stability and reliability of clamping.
Smart Images

Figure CN222944985U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transmission shaft clamps, in particular to a tooling clamp for a vertical machining center. Background Art
[0002] The drive shaft in a car usually connects the transmission and the drive axle and is an important part of the drive system. When the drive shaft is processed in a vertical machining center, it needs to be clamped and fixed using a fixture.
[0003] At present, the fixtures in the prior art have the following problems when used:
[0004] 1. The size of the fixture in the prior art is relatively constant, which makes it inconvenient to clamp and fix the transmission shafts of different lengths or diameters, and has a small scope of application and poor flexibility;
[0005] 2. The fixtures in the prior art are not convenient for effectively fixing the universal joint of the transmission shaft, resulting in poor processing results.
[0006] Therefore, we proposed a vertical machining center fixture to solve the above problems. Utility Model Content
[0007] 1. Technical issues to be solved
[0008] In view of the deficiencies in the prior art, the utility model provides a tooling fixture for a vertical machining center, which solves the problems raised in the above-mentioned background technology.
[0009] (II) Technical solution
[0010] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0011] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.
[0012] Furthermore, the distance adjusting structure includes two fixed plates that are symmetrical and fixed on the upper end surface of the bottom frame, a first bidirectional screw is rotatably connected between one ends of the two fixed plates, two distance adjusting blocks are symmetrically and threadedly connected to the first bidirectional screw, and the two distance adjusting blocks are respectively fixedly connected to the clamping seat, a first motor is fixedly connected to one of the fixed plates, a driving end of the first motor is fixedly connected to the axial end of the first bidirectional screw, a guide rod is fixedly connected between the other ends of the two fixed plates, two sliders are symmetrically and slidably connected to the guide rod, and the two sliders are respectively fixedly connected to the clamping seat.
[0013] Furthermore, the auxiliary clamping structure includes an assembly frame respectively fixed on the outer side walls of the clamping seat, a second bidirectional screw is rotatably connected inside the assembly frame, a second motor is fixedly connected to one side wall of the assembly frame, a driving end of the second motor is fixedly connected to the axial end of the second bidirectional screw, and two clamping plates are symmetrically and threadedly connected on the second bidirectional screw.
[0014] Furthermore, a circular hole is formed at the bottom of the two clamping plates, and a guide column is provided in the circular hole. Both ends of the guide column are fixedly connected to the side walls of the assembly frame respectively, and rubber pads are fixedly connected to the inner side walls of the two clamping plates.
[0015] The top end of the adjusting device is fixedly connected with a toothed wheel, and the bottom end of the toothed wheel is fixedly connected with a toothed wheel, and the toothed wheel is connected with a toothed wheel on the upper and lower ends of the toothed wheel.
[0016] Furthermore, the mounting plate is provided with a rectangular opening matching the clamping seat.
[0017] (III) Beneficial effects
[0018] Compared with the prior art, the utility model provides a vertical machining center fixture, which has the following beneficial effects:
[0019] 1. The utility model realizes the rapid and automatic clamping of transmission shafts of different lengths or diameters through the clamping seat, the distance adjustment structure, the sliding sleeve, the adjusting rod, the transmission block, the fixing frame, the first clamping block, the rotating shaft, the connecting frame, the roller, the second clamping block and the height adjustment structure, thereby significantly improving the application scope of the tooling fixture and having higher flexibility;
[0020] 2. The utility model realizes the clamping and fixing of the universal joints at both ends of the transmission shaft through the auxiliary clamping structure, which facilitates the subsequent processing of the transmission shaft, ensures the effective clamping and fixing of the transmission shaft, and enhances the stability and reliability of the clamping. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the clamping seat and its internal structure of the utility model;
[0023] Figure 3 This is a schematic diagram of the distance adjustment structure of the utility model;
[0024] Figure 4 This is a schematic diagram of the auxiliary clamping structure of the utility model;
[0025] Figure 5 This is a schematic diagram of the height adjustment structure of the utility model;
[0026] Figure 6 It is a schematic diagram of the bottom structure of the utility model.
[0027] In the figure: 1, bottom frame; 2, mounting plate; 3, clamping seat; 4, distance adjustment structure; 401, fixing plate; 402, first bidirectional screw; 403, distance adjustment block; 404, first motor; 405, guide rod; 406, slider; 5, auxiliary clamping structure; 501, assembly frame; 502, second bidirectional screw; 503, second motor; 504, clamping plate; 505, guide column; 506, rubber pad; 6, sliding sleeve; 7, adjusting rod; 8, transmission block; 9, fixing frame; 10. First clamping block; 11. Rotating shaft; 12. Connecting frame; 13. Roller; 14. Second clamping block; 15. Height adjustment structure; 1501. First bearing; 1502. Threaded rod; 1503. Height adjustment block; 1504. Height adjustment rod; 1505. Driven bevel gear; 1506. Connecting rod; 1507. Second bearing; 1508. Rotating tube; 1509. Active bevel gear; 1510. Spline shaft; 1511. Assembly plate; 1512. Third motor. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0029] Example
[0030] like Figure 1-Figure 6 As shown, a vertical machining center tooling fixture proposed by an embodiment of the utility model includes a bottom frame 1, a mounting plate 2 is fixedly connected to the top of the bottom frame 1, two clamping seats 3 are symmetrically arranged in the mounting plate 2, and a distance adjustment structure 4 for adjusting the distance between the two clamping seats 3 is provided on the mounting plate 2, so as to facilitate clamping and fixing of transmission shafts of different lengths, and auxiliary clamping structures 5 are provided on the outer sides of the two clamping seats 3, so as to facilitate clamping and fixing of the universal joints of the transmission shafts, two sliding sleeves 6 are fixedly connected in the two clamping seats 3, and adjusting rods 7 are slidably connected in the two sliding sleeves 6, and a transmission block 8 is fixedly connected to the adjusting rod 7, and a fixing frame 9 is fixedly connected to the top of the adjusting rod 7, and a first clamping block 10 is fixedly connected in the fixing frame 9, and two rotating shafts 11 are symmetrically and rotatably connected to the top of the clamping seat 3, and the two rotating shafts 11 are fixed A connecting frame 12 is connected, and a roller 13 is rotatably connected to the bottom end of the connecting frame 12. The wheel end of the roller 13 contacts the inclined surface of the transmission block 8. The top of the connecting frame 12 is fixedly connected to the second clamping block 14, and the transmission block 8 is driven to move by the movement of the adjusting rod 7. The use of the transmission block 8 causes the roller 13 to move, thereby causing the connecting frame 12 to rotate. The rotation of the connecting frame 12 can also cause the second clamping block 14 to move. At the same time, the movement of the adjusting rod 7 also drives the first clamping block 10 to move, thereby fixing and clamping the shaft tube of the transmission shaft. A height adjustment structure 15 for adjusting the position of the adjusting rod 7 is provided on the lower side of the clamp seat 3. The height of the adjusting rod 7 can be adjusted through the height adjustment structure 15, thereby driving the transmission block 8 to move, thereby facilitating the clamping and fixing of the transmission shaft.
[0031] like Figure 1 and Figure 3As shown, in some embodiments, the distance adjustment structure 4 includes two fixed plates 401 that are symmetrical and fixed to the upper end surface of the bottom frame 1, a first bidirectional screw 402 is rotatably connected between one end of the two fixed plates 401, two distance adjustment blocks 403 are symmetrically and threadedly connected to the first bidirectional screw 402, and the two distance adjustment blocks 403 are respectively fixedly connected to the clamping seat 3, a first motor 404 is fixedly connected to one of the fixed plates 401, a driving end of the first motor 404 is fixedly connected to the shaft end of the first bidirectional screw 402, a guide rod 405 is fixedly connected between the other ends of the two fixed plates 401, and a guide rod 405 is symmetrically and slidably connected to the guide rod 405. There are two sliders 406, and the two sliders 406 are fixedly connected to the clamping seats 3 respectively; when the distance between the two clamping seats 3 needs to be adjusted, the first motor 404 is started to drive the first bidirectional screw 402 to rotate. Since the first bidirectional screw 402 is symmetrically and threadedly provided with two distance adjusting blocks 403, and the two distance adjusting blocks 403 are fixedly connected to the clamping seats 3 respectively, the rotation of the first bidirectional screw 402 will cause the two distance adjusting blocks 403 to move in opposite directions at the same time, thereby adjusting the distance between the two clamping seats 3, realizing fast and precise adjustment of the distance between the two clamping seats 3, adapting to workpieces of different sizes, and improving processing efficiency.
[0032] like Figure 1 and Figure 4 As shown, in some embodiments, the auxiliary clamping structure 5 includes an assembly frame 501 respectively fixed on the outer side wall of the clamping base 3, a second bidirectional screw 502 is rotatably connected inside the assembly frame 501, a second motor 503 is fixedly connected to one side wall of the assembly frame 501, a driving end of the second motor 503 is fixedly connected to the axial end of the second bidirectional screw 502, and two clamping plates 504 are symmetrically and threadedly connected to the second bidirectional screw 502; the second bidirectional screw 502 is driven by the second motor 503 to make the two clamping plates 504 move synchronously, thereby realizing auxiliary clamping of the workpiece and enhancing the stability and reliability of clamping.
[0033] like Figure 4 As shown, in some embodiments, a circular hole is opened at the bottom of the two clamping plates 504, and a guide column 505 is arranged in the circular hole, and both ends of the guide column 505 are respectively fixedly connected to the side walls of the assembly frame 501, and rubber pads 506 are fixedly connected to the inner walls of the two clamping plates 504; the provision of the rubber pads 506 protects the surface of the workpiece to prevent damage during the clamping process, and at the same time increases the friction of the clamping, making the clamping more secure.
[0034] like Figure 1 , Figure 5 and Figure 6As shown, in some embodiments, the height adjustment structure 15 includes a first bearing 1501 respectively fixed on the lower end surface of the clamp seat 3, a threaded rod 1502 is fixedly connected to the inner side wall of the inner ring of the first bearing 1501, a height adjustment block 1503 is threadedly connected to the threaded rod 1502, a height adjustment rod 1504 is fixedly connected to the upper end surface of the height adjustment block 1503, the top of the height adjustment rod 1504 passes through the bottom wall of the clamp seat 3 and is fixedly connected to the bottom end of the adjusting rod 7, a driven bevel gear 1505 is fixedly connected to the bottom end of the threaded rod 1502, a connecting rod 1506 is respectively fixedly connected to the clamp seat 3, and a second bearing 1507 is fixedly connected to the connecting rod 1506, a rotating tube 1508 is fixedly connected to the inner side wall of the inner ring of the second bearing 1507, and an active bevel gear 1509 meshing with the driven bevel gear 1505 is fixedly connected to the outer wall of the rotating tube 1508, and the rotating tube 1508 slides inside A spline shaft 1510 is connected, and both ends of the spline shaft 1510 are rotatably connected to assembly plates 1511, and the assembly plates 1511 are respectively fixedly connected to the bottom frame 1, and a third motor 1512 is fixedly connected to one of the assembly plates 1511, and the driving end of the third motor 1512 is fixedly connected to the shaft end of the spline shaft 1510; the spline shaft 1510 is driven to rotate by the third motor 1512, and the rotation of the spline shaft 1510 drives the rotating tube 1508 to rotate, and the rotation of the rotating tube 1508 causes the active bevel gear 1509 to rotate, and the threaded rod 1502 is rotated when the active bevel gear 1509 and the driven bevel gear 1505 are engaged, and the rotation of the threaded rod 1502 causes the height adjustment block 1503 and the height adjustment rod 1504 to move, thereby adjusting the height of the adjusting rod 7, and the movement of the adjusting rod 7 cooperates with the linkage component to automatically clamp the transmission shaft.
[0035] like Figure 1 As shown, in some embodiments, a rectangular opening matching the clamp seat 3 is provided on the mounting plate 2, which facilitates the movement and adjustment of the clamp seat 3 while ensuring that the overall structure of the fixture is compact.
[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A fixture for a vertical machining center, comprising a bottom frame (1), characterized in that: The top end of the bottom frame (1) is fixedly connected to a mounting plate (2), two clamping seats (3) are symmetrically arranged in the mounting plate (2), a distance adjustment structure (4) for adjusting the distance between the two clamping seats (3) is arranged on the mounting plate (2), auxiliary clamping structures (5) are arranged on the outer sides of the two clamping seats (3), two sliding sleeves (6) are fixedly connected in the two clamping seats (3), adjusting rods (7) are slidably connected in the two sliding sleeves (6), a transmission block (8) is fixedly connected to the adjusting rod (7), and a fixed fixing member (9) is fixedly connected to the top end of the adjusting rod (7). A frame (9) is provided, wherein a first clamping block (10) is fixedly connected inside the fixed frame (9), the top of the clamping seat (3) is symmetrically and rotatably connected to two rotating shafts (11), the two rotating shafts (11) are fixedly connected to a connecting frame (12), the bottom end of the connecting frame (12) is rotatably connected to a roller (13), the wheel end of the roller (13) contacts the inclined surface of the transmission block (8), the top end of the connecting frame (12) is fixedly connected to a second clamping block (14), and the lower side of the clamping seat (3) is provided with a height adjustment structure (15) for adjusting the position of the adjustment rod (7).
2. A vertical machining center fixture according to claim 1, characterized in that: The distance adjustment structure (4) comprises two fixed plates (401) which are symmetrical and fixed on the upper end surface of the bottom frame (1); a first bidirectional screw (402) is rotatably connected between one end of the two fixed plates (401); two distance adjustment blocks (403) are symmetrically and threadedly connected to the first bidirectional screw (402); the two distance adjustment blocks (403) are respectively fixedly connected to the clamping seat (3); a first motor (404) is fixedly connected to one of the fixed plates (401); a driving end of the first motor (404) is fixedly connected to the shaft end of the first bidirectional screw (402); a guide rod (405) is fixedly connected between the other ends of the two fixed plates (401); two sliding blocks (406) are symmetrically and slidably connected to the guide rod (405); the two sliding blocks (406) are respectively fixedly connected to the clamping seat (3).
3. A vertical machining center fixture according to claim 1, characterized in that: The auxiliary clamping structure (5) comprises an assembly frame (501) respectively fixed on the outer side wall of the clamping seat (3), a second bidirectional screw (502) is rotatably connected inside the assembly frame (501), a second motor (503) is fixedly connected to one side wall of the assembly frame (501), a driving end of the second motor (503) is fixedly connected to the shaft end of the second bidirectional screw (502), and two clamping plates (504) are symmetrically and threadedly connected to the second bidirectional screw (502).
4. A vertical machining center fixture according to claim 3, characterized in that: The bottoms of the two clamping plates (504) are each provided with a circular hole, and a guide column (505) is provided in the circular hole. The two ends of the guide column (505) are respectively fixedly connected to the side walls of the assembly frame (501). The inner side walls of the two clamping plates (504) are each fixedly connected to a rubber pad (506).
5. The vertical machining center fixture according to claim 1, characterized in that: The height adjustment structure (15) comprises a first bearing (1501) respectively fixed to the lower end surface of the clamp seat (3); a threaded rod (1502) is fixedly connected to the inner side wall of the inner ring of the first bearing (1501); a height adjustment block (1503) is threadedly connected to the threaded rod (1502); a height adjustment rod (1504) is fixedly connected to the upper end surface of the height adjustment block (1503); the top end of the height adjustment rod (1504) passes through the bottom wall of the clamp seat (3) and is fixedly connected to the bottom end of the adjustment rod (7); the bottom end of the threaded rod (1502) is fixedly connected to a driven bevel gear (1505); the clamp seat (3) is respectively fixedly connected to connecting rods (1506); the connecting rods (1506) are fixedly connected to A second bearing (1507) is provided, a rotating tube (1508) is fixedly connected to the inner side wall of the inner ring of the second bearing (1507), a driving bevel gear (1509) meshingly connected to the driven bevel gear (1505) is fixedly connected to the outer side wall of the rotating tube (1508), a spline shaft (1510) is slidably connected inside the rotating tube (1508), both ends of the spline shaft (1510) are rotatably connected to assembly plates (1511), the assembly plates (1511) are respectively fixedly connected to the bottom frame (1), one of the assembly plates (1511) is fixedly connected to a third motor (1512), and the driving end of the third motor (1512) is fixedly connected to the shaft end of the spline shaft (1510).
6. A vertical machining center fixture according to claim 1, characterized in that: The mounting plate (2) is provided with a rectangular opening matching the clamping seat (3).