Multi-hole machining tool clamp

Abstract

The utility model discloses a multi-hole machining tool clamp, and belongs to the technical field of hole machining. Comprising a bottom box and a hollow shaft which is vertically mounted above the bottom box and rotates; the two ends of the outer portion of the hollow shaft are each sleeved with an inner supporting clamp. The inner supporting clamp is driven by a telescopic piece installed in the hollow shaft. According to the utility model, the telescopic piece drives the inner support clamp to move so as to adapt to part bodies with different lengths; and the inner supporting clamp is adjusted to form different supporting inner diameters, so that the inner supporting clamp can be suitable for clamping and fixing parts of various specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of hole processing, in particular to a multi-hole processing fixture. Background Art

[0002] The processing of porous parts requires N times of hole opening operations; accordingly, a fixture is required to locate the hole position. For example, a turntable is required for the opening of parts around the parts. The patent with application number "CN2022114900255" discloses a multi-hole processing fixture and processing method for thin-walled shells, the fixture includes a mandrel base, a pressure cover, a bolt and a thin-walled shell; the mandrel base is coaxially installed on the rotary table of the machine tool, and a threaded hole is opened on the top of the mandrel base; the thin-walled shell is sleeved on the outer side of the upper end of the mandrel base, and the thin-walled shell is provided with a central inner hole that passes through the upper and lower ends; the upper end opening of the thin-walled shell is sleeved with a pressure cover, and the pressure cover is provided with an axial groove hole that passes through the outside; the bolt passes through the axial groove hole of the pressure cover and the central inner hole of the thin-walled shell until the lower end of the bolt is threaded into the threaded hole of the mandrel base, and the head end face of the bolt is tightly crimped on the pressure cover to tightly fix the thin-walled shell on the mandrel base.

[0003] The above device can be used for opening a hole in a shell; however, its scope of application is small, it is not easy to adjust, and its fixing form is relatively simple, which further limits the applicable scenarios. Utility Model Content

[0004] The utility model aims to solve the problem that the clamp in the prior art has a small applicability range, and proposes a multi-hole processing tooling clamp.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A multi-hole processing fixture comprises a bottom box and a hollow shaft vertically mounted above the bottom box and rotating;

[0007] A set of inner support clips are respectively mounted on the outer ends of the hollow shaft;

[0008] The inner support clamp is driven by a telescopic member installed in the hollow shaft.

[0009] In some embodiments, the bottom box is a square box structure with an open lower end and a hole in the top surface;

[0010] A circular sleeve is fixedly mounted at the lower end of the hollow shaft, a retaining ring is disposed at the upper end of the circular sleeve, and a gear ring is disposed at the lower end;

[0011] The inner top surface of the bottom box is rotatably provided with a gear which meshes with a gear ring.

[0012] In some embodiments, the gears are arranged in a circle in a number of not less than three, and one of the gears is connected to the motor in a transmission manner.

[0013] In some embodiments, the hollow shaft is a square shaft.

[0014] In some embodiments, the inner support clamp includes: a ferrule slidably disposed on the hollow shaft, a telescopic rod disposed on the outer surface of the ferrule, and a support plate disposed at the end of the telescopic rod;

[0015] There are no less than three telescopic rods arranged around.

[0016] In some embodiments, a raised stop is provided at the outer end of the support plate.

[0017] In some embodiments, a slideway is provided on the hollow shaft along the axial direction;

[0018] An inner extension rod is fixedly connected to the inner side of the ferrule, and the inner extension rod is inserted into the slideway and slides;

[0019] The end of the telescopic member is connected to the inner extension rod.

[0020] In some embodiments, four inner extension rods are provided to form a cross structure with the inner ends connected as one body.

[0021] In some embodiments, a flange ring is fixedly provided near the outer end of the telescopic member;

[0022] The end of the hollow shaft is provided with a bolt connection plate matched with the flange ring.

[0023] In some embodiments, a mounting ring is provided at the lower end of the bottom box;

[0024] The mounting ring is provided with bolt holes.

[0025] Compared with the prior art, the utility model provides a multi-hole processing fixture, which has the following beneficial effects.

[0026] 1. The utility model drives the inner support clamp to move through the telescopic member to adapt to parts of different lengths; the inner support clamp is adjusted to form different support inner diameters, which can be adapted to the clamping and fixing of parts of various specifications.

[0027] 2. The utility model is installed in an appropriate position as a whole through a bottom box, and has a variety of operating modes to adapt to different working environments, with stronger applicability, adaptation range and flexibility; in the rotating state, the parts are subjected to hole opening processing.

[0028] Other advantages, objectives and features of the present invention will be described in the following description to some extent; and will be apparent to those skilled in the art based on the following examination and study to some extent; or, may be taught from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the use status of the utility model. Figure 1 .

[0030] Figure 2 It is a structural schematic diagram of the utility model.

[0031] Figure 3 It is a schematic diagram of the partial lower structure of the utility model.

[0032] Figure 4 It is a schematic diagram of the lower structure of the bottom box.

[0033] Figure 5 Schematic diagram of the explosion state of the ring.

[0034] Figure 6 The exploded state of the inner support clip and hollow shaft is shown in Figure 1. Figure 1 .

[0035] Figure 7 This is a schematic diagram of the use status of the utility model. Figure 2 .

[0036] Figure 8 It is a schematic diagram of the flat state of the utility model.

[0037] Fig. 9 This is a schematic diagram of the flat state of the hollow shaft.

[0038] Fig.10 The exploded state of the inner support clip and hollow shaft is shown in Figure 1. Figure 2 .

[0039] Fig.11 It is a schematic diagram of the structure of the inner support clip.

[0040] In the figure:

[0041] 1. Bottom box;

[0042] 11. Gear; 12. Motor; 13. Mounting ring;

[0043] 2. Hollow shaft;

[0044] 20. slideway; 21. round sleeve; 22. retaining ring; 23. gear ring;

[0045] 3. Internal support clip;

[0046] 31. ferrule; 32. telescopic rod; 33. support plate;

[0047] 311, inner extension rod;

[0048] 331, raised stop;

[0049] 4. Telescopic parts;

[0050] 41. Flange ring; 42. Bolted connecting plate. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0052] Reference Figure 1-11 A multi-hole processing fixture comprises a bottom box 1 and a hollow shaft 2 vertically mounted above the bottom box 1 and rotating; at the same time, a group of inner support clips 3 are respectively mounted on the outer ends of the hollow shaft 2.

[0053] When in use, the whole is installed in an appropriate position (such as a workbench, a robotic arm, etc.) through the bottom box 1; at the same time, the inner support clamp 3 clamps and fixes the cylindrical part; and under the rotation of the hollow shaft 2, the curved surface of the part is opened.

[0054] like Figure 1 , 2 , 4, and 7; a mounting ring 13 is provided at the lower end of the bottom box 1, and bolt holes are provided on the mounting ring 13; so as to assemble the bottom box 1.

[0055] In this state, the clamp has a variety of operating modes; for example, Figure 1 , 2 In the vertical arrangement state; Figure 7 , 8 In the horizontal layout, it can adapt to different working environments and has stronger applicability, adaptation range and flexibility.

[0056] In some embodiments, the bottom box 1 is a square box structure with an open lower end and a hole in the top surface; the hollow shaft 2 extends outward from the top, and the open structure at the lower end facilitates maintenance of the interior and heat dissipation of the internal structure.

[0057] Specifically, a circular sleeve 21 is fixedly mounted at the lower end of the hollow shaft 2; the circular sleeve 21 rotates in coordination with the top opening of the bottom box 1; at the same time, a retaining ring 22 is provided at the upper end of the circular sleeve 21 to form a limit; a gear ring 23 is provided at the lower end of the circular sleeve 21 to provide a transmission connection while limiting the position.

[0058] Correspondingly, the gear 11 is rotatably arranged on the inner top surface of the bottom box 1 to mesh with the gear ring 23 .

[0059] Among them, no less than three gears 11 are arranged around to ensure good balance; any one of the gears 11 is connected to the motor 12 for providing power.

[0060] like Figure 3 As shown, the three gears 11 mesh with the ring gear 23 .

[0061] In some embodiments, the inner support clamp 3 is driven by a telescopic member 4 installed in the hollow shaft 2 .

[0062] like Figure 6 , 10 As shown in Figures 11, the inner support clamp 3 is driven to move by the telescopic member 4 to adapt to parts with different lengths.

[0063] Preferably, the telescopic member 4 is an electric telescopic rod.

[0064] It should be noted that the two telescopic members 4 at both ends are independently controlled; according to the actual opening position, the two telescopic members 4 are controlled to be telescopic to different degrees to control the overall position of the part to be processed.

[0065] In some embodiments, the hollow shaft 2 is a square shaft, so that the movement of the inner support clamp 3 is more controllable.

[0066] In addition, the number of faces of the hollow shaft 2 can be set according to the shape of the inner support clip 3 to be set; for example, in the figure, it is set as a four-sided square shaft.

[0067] In some embodiments, the inner support clamp 3 includes: a ring 31 slidably disposed on the hollow shaft 2 , a telescopic rod 32 disposed on the outer surface of the ring 31 , and a support plate 33 disposed at the end of the telescopic rod 32 .

[0068] There are no less than three telescopic rods 32 arranged around the periphery to form effective clamping and supporting points.

[0069] Preferably, the support plate 33 is an arc-shaped plate, which can obtain more contact surface and make the overall support more stable and reliable.

[0070] Furthermore, a rubber layer is provided on the outer ring side of the support plate 33 to avoid rigid contact.

[0071] In some embodiments, a protruding stopper 331 is disposed at the outer end of the support plate 33 .

[0072] like Figure 1 As shown; the support plate 33 cooperates with the protruding stop 331 to form an inner supporting force and an end-side clamping force.

[0073] In some embodiments, a slideway 20 is axially provided on the hollow shaft 2 ; at the same time, an inner extension rod 311 is fixedly connected to the inner side of the ring 31 , and the inner extension rod 311 is inserted into the slideway 20 to slide and guide the movement of the inner support clamp 3 .

[0074] Correspondingly, the end of the telescopic member 4 is connected to the inner extension rod 311 for dynamic connection.

[0075] Preferably, Figure 6 , 10 , 11; four inner extension rods 311 are provided, forming a cross structure with the inner ends connected as one.

[0076] In some embodiments, a flange ring 41 is fixedly provided near the outer end of the telescopic member 4; at the same time, a bolt connecting plate 42 cooperating with the flange ring 41 is provided at the end of the hollow shaft 2; thereby, it is convenient to assemble the telescopic member 4 at the end of the hollow shaft 2.

[0077] When the device is used, the bottom box 1 is installed on a suitable component or support according to the status of the corresponding working equipment; the inner support clamp 3 contracts inward and moves away; the parts are fed in, the telescopic member 4 drives the inner support clamp 3 to move, and the telescopic rod 32 drives the support plate 33 to move to clamp the parts; as the drilling process proceeds, the motor 12 drives the hollow shaft 2 to rotate, thereby rotating the parts to perform hole opening operations at various locations.

[0078] In the utility model, the inner support clamp 3 is driven to move by the telescopic member 4 to adapt to parts of different lengths; the inner support clamp 3 is adjusted to form different support inner diameters, which can be adapted to the clamping and fixing of parts of various specifications; the whole is installed in an appropriate position through the bottom box 1, with a variety of operating forms to adapt to different working environments, with stronger applicability, adaptation range and flexibility; in the rotating state, the parts are subjected to hole opening processing.

[0079] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0080] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0081] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A multi-hole processing fixture, characterized in that: It comprises a bottom box (1) and a hollow shaft (2) vertically mounted above the bottom box (1) and rotatable; A set of inner support clips (3) are respectively mounted on the outer ends of the hollow shaft (2); The inner support clamp (3) is driven by a telescopic member (4) installed in the hollow shaft (2).

2. The multi-hole processing fixture according to claim 1, characterized in that: The bottom box (1) is a square box structure with an open lower end and a hole in the top surface; A circular sleeve (21) is fixedly mounted at the lower end of the hollow shaft (2); a retaining ring (22) is disposed at the upper end of the circular sleeve (21), and a gear ring (23) is disposed at the lower end; A gear (11) is rotatably arranged on the inner top surface of the bottom box (1) to mesh with a gear ring (23).

3. The multi-hole processing fixture according to claim 2, characterized in that: No less than three gears (11) are arranged around the motor, and one of the gears (11) is in transmission connection with the motor (12).

4. The multi-hole processing fixture according to claim 1, characterized in that: The hollow shaft (2) is a square shaft.

5. The multi-hole processing fixture according to claim 1, characterized in that: The inner support clamp (3) comprises: a ring (31) slidably arranged on the hollow shaft (2), a telescopic rod (32) arranged on the outer surface of the ring (31), and a support plate (33) arranged at the end of the telescopic rod (32); No less than three telescopic rods (32) are arranged around the periphery.

6. The multi-hole processing fixture according to claim 5, characterized in that: The outer end of the support plate (33) is provided with a protruding stopper (331).

7. The multi-hole processing fixture according to claim 5, characterized in that: A slideway (20) is provided on the hollow shaft (2) in an axial direction; An inner extension rod (311) is fixedly connected to the inner side of the ferrule (31), and the inner extension rod (311) is inserted into the slideway (20) to slide; The end of the telescopic member (4) is connected to the inner extension rod (311).

8. The multi-hole processing fixture according to claim 7, characterized in that: Four inner extension rods (311) are provided, forming a cross structure with the inner ends connected as one body.

9. The multi-hole processing fixture according to claim 1, characterized in that: A flange ring (41) is fixedly provided at a position close to the outer end of the telescopic member (4); The end of the hollow shaft (2) is provided with a bolt connection plate (42) which cooperates with the flange ring (41).

10. The multi-hole processing fixture according to claim 1, characterized in that: A mounting ring (13) is provided at the lower end of the bottom box (1); The mounting ring (13) is provided with bolt holes.

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