A new type of axle housing horizontal adding clamp

Abstract

The utility model relates to the field of engineering machinery clamp, concretely is a new type bridge housing horizontal adds clamp, including horizontal machine table, its upper is provided with equipment machine case and fixed clamp seat, the other end is installed with the movable clamp seat that can slide along the machine table. The inner side of fixed clamp seat and movable clamp seat all is provided with clamp frame. The clamp frame is installed with the clamping assembly, and the assembly contains the clamping base disc in the frame center and three support base slots that surround its equiangular distribution. Each support base slot is equipped with the mounting support block, and the slot arm end is installed with the clamping arm. Three support base slots are installed on the bottom sliding block of the inner slide seat in the bottom of clamp frame and the top sliding block of two top corner inner slide seats. The both sides of bottom sliding block are symmetrically provided with swing lever, swing lever is connected through transmission connecting rod link rod, and link rod is connected with top sliding block again. The utility model has improved the versatility and processing efficiency of clamp, and the whole structure is good in rigidity, provides stable and reliable clamping foundation for horizontal machining.

Description

Technical Field

[0001] This utility model relates to the field of engineering machinery clamps, specifically a novel horizontal axle housing clamp. Background Technology

[0002] In the automotive and construction machinery industries, axle housings are critical load-bearing components with extremely high machining precision requirements. They typically require multi-stage milling, drilling, and other precision machining processes on horizontal machining centers. The stability and accuracy of the clamping directly affect the quality of the final product.

[0003] Currently, fixtures used for horizontal machining of axle housings typically employ independently driven clamping arms or simple mechanical pressure plates. Multiple power sources (such as cylinders) drive the clamping arms to fix the workpiece. Fixture layouts often use a design with one end fixed and the other adjustable. However, the adjustable end often requires manual loosening of bolts, repositioning, and re-tightening, or uses a single-point drive with limited stroke. This can easily lead to slight deformation or displacement of the workpiece during clamping, affecting machining accuracy. Furthermore, the adjustable fixture's movement adjustment method is inefficient and lacks positioning accuracy, making it difficult to quickly and accurately adapt to length variations in different axle housing specifications. Long changeover times restrict production efficiency and fixture versatility. Utility Model Content

[0004] The purpose of this utility model is to provide a novel bridge housing horizontal machining fixture to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A novel bridge housing horizontal machining fixture includes a horizontal machine base, on which an equipment housing is mounted, and a fixed fixture seat is installed on the equipment housing. A movable fixture seat is also mounted at the other end of the horizontal machine base. The movable fixture seat is slidably mounted on the horizontal machine base. Both the movable and fixed fixture seats have fixture frames along their inner edges, and clamping components are mounted on the fixture frames. An inner support rail is provided on the horizontal machine base, and an inner frame rail is provided on the inner support rail. A frame base is mounted on the inner frame rail, and the movable fixture seat is mounted on the frame base. A driving mechanism for moving the frame base is located inside the inner support rail.

[0006] As a further embodiment of this utility model: the clamping assembly includes a clamping base plate disposed on the clamping frame, and a plurality of support base grooves are disposed at equal angles around the clamping base plate on the frame surface of the clamping frame, and a mounting block is correspondingly installed in each of the support base grooves, and a clamping arm is disposed at the arm end of the mounting block.

[0007] As a further embodiment of this utility model: the supporting base groove is provided in three parts and arranged at equal angles.

[0008] As a further embodiment of this utility model: the clamp frame is provided with a bottom inner slide and two top corner inner slides. The bottom inner slide is provided with a bottom slider, and the top corner inner slides are each provided with a top slider. One of the support base grooves is installed on the bottom slider, and the other two support base grooves are respectively installed on the top sliders.

[0009] As a further embodiment of this utility model: a swing rod is provided on the side edge of the bottom slider, the swing rod is symmetrically arranged on both sides, and a transmission connecting rod is connected to the swing rod on both sides. A linkage rod is connected to the transmission connecting rod, and the transmission end of the linkage rod is connected to the corresponding top slider.

[0010] As a further embodiment of this utility model: a drive cylinder is also provided inside the clamp frame, and the drive end of the drive cylinder is connected to the bottom inner slide block through a drive rod, thereby synchronously driving the external clamping arm to perform synchronous clamping movement.

[0011] As a further embodiment of this utility model: the clamp frame and clamping assembly on the fixed clamping seat have the same structure as the clamp frame and clamping assembly on the movable clamping seat.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This novel horizontal machining fixture for axle housings features a unique three-point synchronous linkage clamping mechanism. A single drive cylinder drives the bottom slide, which, through a rigid mechanical linkage system consisting of symmetrical swing rods, transmission links, and linkage pull rods, forces three clamping arms, distributed at equal angles, to achieve strictly synchronized centripetal or centrifugal motion. It employs a slidingly adjustable movable fixture seat layout. Through precision linear guides embedded in the machine tool and independent drive components, the movable fixture seat slides steplessly on the horizontal machine tool, working in conjunction with the fixed fixture seat. Its technical advantages are significant: the three-point synchronous clamping mechanism ensures uniform force on the workpiece and extremely high clamping accuracy, effectively preventing workpiece deformation and displacement, making it particularly suitable for precision machining of axle housing parts; while the adjustable-pitch double fixture seat design greatly enhances the fixture's versatility and adaptability, enabling flexible clamping of workpieces of different lengths, significantly reducing changeover time. The overall structural rigidity is excellent, providing a stable and reliable clamping foundation for horizontal machining.

[0013] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0014] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. Furthermore, these drawings and textual descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concepts of this application to those skilled in the art through reference to specific embodiments.

[0015] Figure 1 A schematic diagram of the overall structure of the novel bridge housing horizontal clamping fixture provided in this embodiment of the utility model.

[0016] Figure 2 This is an installation diagram of the movable clamping seat and horizontal machine base provided in an embodiment of the present utility model.

[0017] Figure 3 This is a side cross-sectional view of the movable clamp seat provided in an embodiment of the present utility model.

[0018] In the diagram: 1. Horizontal machine base; 11. Machine base inner support; 12. Inner frame track; 13. Frame base plate; 14. Drive mechanism; 2. Equipment chassis; 3. Fixed clamp seat; 4. Moving clamp seat; 5. Clamp frame; 51. Bottom inner slide; 52. Bottom slider; 53. Top corner inner slide; 54. Top slider; 55. Drive cylinder; 56. Drive rod; 57. Swing rod; 58. Transmission link; 59. Linkage rod; 6. Clamping assembly; 61. Support base groove; 62. Mounting block; 63. Clamping arm; 64. Clamping base plate. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, examples of which are shown in the drawings. In the following description relating to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or identical elements.

[0020] Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0022] In one embodiment, see Figures 1-3A novel bridge housing horizontal machining fixture is provided, comprising a horizontal machine base 1, an equipment housing 2 on the horizontal machine base 1, a fixed fixture seat 3 mounted on the equipment housing 2, and a movable fixture seat 4 mounted at the other end of the horizontal machine base 1. The movable fixture seat 4 is slidably mounted on the horizontal machine base 1. Both the movable fixture seat 4 and the fixed fixture seat 3 are provided with fixture frames 5 along their inner edges, and clamping components 6 are provided on the fixture frames 5. An inner support rail 11 is provided on the horizontal machine base 1, and an inner frame rail 12 is provided on the inner frame rail 11. A frame base 13 is mounted on the inner frame rail 12, and the movable fixture seat 4 is mounted on the frame base 13. A driving mechanism 14 for moving the frame base 13 is provided inside the inner support rail 11.

[0023] The fixture frame 5 contains a bottom inner slide 51 and two top corner inner slides 53. A bottom slider 52 is installed within the bottom inner slide 51, and two top sliders 54 are installed within the two top corner inner slides 53. Three support base slots 61 are installed on the bottom slider 52 and the two top sliders 54, forming an equiangular (approximately 120 degrees) arrangement. A drive cylinder 55 is fixed within the fixture frame 5, and its drive end is connected to the bottom inner slide 51 via a drive rod 56. Swing rods 57 are symmetrically installed on both sides of the bottom slider 52, and the swing rods 57 on both sides are connected via a transmission link 58, which in turn is connected to the two top sliders 54 via a linkage rod 59. Each support base slot 61 contains a mounting block 62, and a clamping arm 63 is installed at the end of the mounting block 62. The clamping base plate 64 is located at the center of the fixture frame 5.

[0024] When the drive cylinder 55 (such as a hydraulic cylinder or pneumatic cylinder) actuates, its piston rod pushes the bottom inner slide block 51 and the bottom slider 52 fixed thereon to move linearly via the drive rod 56. The movement of the bottom slider 52 causes the swing rods 57 on both sides of it to swing. The swing of the swing rods 57 is converted into pulling or pushing the linkage rod 59 through the transmission link 58. The linkage rod 59 then transmits this motion to the two top sliders 54, causing them to move synchronously in opposite or the same direction within their respective top corner inner slide blocks 53. Finally, the three support base grooves 61 and their clamping arms 63 installed on the bottom slider 52 and the two top sliders 54, under the single drive of the drive cylinder 55, achieve synchronous and precise centrifugal or centrifugal movement through the parallelogram linkage mechanism composed of the swing rods 57, the transmission link 58 and the linkage rod 59, completing the three-point synchronous clamping or releasing of the workpiece located at the clamping base plate 64.

[0025] This embodiment achieves strictly synchronized movement of the three clamping arms 63 driven by a single drive cylinder 55 through a clever mechanical linkage design (swing rod 57, transmission link 58, and linkage pull rod 59). This structure ensures uniform distribution of clamping force and extremely high synchronization accuracy, effectively avoiding deformation or displacement of the workpiece due to asynchronous clamping, and is particularly suitable for machining bridge housing parts with high clamping accuracy requirements. At the same time, it has a compact structure and high reliability.

[0026] In one embodiment, see Figures 1-3 The implementation of the mobile fixture base and overall layout will be further elaborated.

[0027] A horizontal machine base 1 has a machine housing 2 and a fixed fixture base 3 fixedly installed at one end, and an internal support 11 at the other end. The internal support 11 houses a drive mechanism 14 (such as a servo motor with a ball screw or a hydraulic motor with a rack and pinion), and an inner frame track 12 is mounted above it. A frame base 13 is mounted and slidably installed on the inner frame track 12. A movable fixture base 4 is fixedly installed on the frame base 13, and its structure is similar to that of the fixed fixture base 3. It also includes a fixture frame 5 and clamping components 6 (including a support base groove 61, mounting blocks 62, clamping arms 63, clamping base plate 64, and linkage components such as a bottom inner slide 51, a bottom slider 52, a top corner inner slide 53, a top slider 54, a drive cylinder 55, a drive rod 56, a swing rod 57, a transmission link 58, and a linkage pull rod 59). The clamping components 6 on the fixed fixture base 3 and the movable fixture base 4 have the same structure and are arranged symmetrically.

[0028] When the drive mechanism 14 is working, the drive frame base plate 13 moves precisely in a straight line along the inner frame track 12 on the inner support 11 of the machine base. Since the movable fixture seat 4 is fixedly mounted on the frame base plate 13, the movable fixture seat 4 slides on the horizontal machine base 1, changing the distance between it and the fixed fixture seat 3. The drive cylinders 55 on the fixed fixture seat 3 and the movable fixture seat 4 can independently control the movement of their internal clamping components 6, clamping the two ends of the bridge shell workpiece respectively. By adjusting the position of the movable fixture seat 4, bridge shell workpieces of different lengths can be accommodated. After the workpiece is clamped synchronously by the fixtures at both ends, milling, drilling and other machining operations can be performed on the horizontal machining center.

[0029] This embodiment utilizes the sliding design of the movable fixture base 4 on the inner support 11 and inner frame track 12 of the machine tool, combined with precise drive components 14 (such as servo screws), to achieve flexible adjustment of the fixture spacing, greatly expanding the applicability of the fixture and adapting it to various specifications of bridge housing workpieces. The symmetrical design of the fixed fixture base 3 and the movable fixture base 4, along with their respective independent precision clamping components 6, ensures the stability and consistency of the workpiece clamping at both ends, providing a reliable positioning reference for subsequent high-precision horizontal machining. The overall structure has good rigidity, meeting the requirements of heavy-duty cutting.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A novel bridge housing horizontal machining fixture, comprising a horizontal machine base (1), wherein an equipment housing (2) is provided on the horizontal machine base (1), a fixed fixture seat (3) is installed on the equipment housing (2), and a movable fixture seat (4) is also installed at the other end of the horizontal machine base (1), characterized in that, The movable clamp seat (4) is slidably installed on the horizontal machine base (1). The inner edges of the movable clamp seat (4) and the fixed clamp seat (3) are provided with clamp frames (5), and clamping components (6) are provided on the clamp frames (5). The horizontal machine base (1) is provided with an inner support rail (11), and an inner frame rail (12) is provided on the inner support rail (11). A frame base plate (13) is mounted on the inner frame rail (12). The movable clamp seat (4) is installed on the frame base plate (13). The inner support rail (11) is provided with a driving mechanism (14) for moving the frame base plate (13).

2. The novel bridge housing horizontal machining fixture according to claim 1, characterized in that, The clamping assembly (6) includes a clamping base plate (64) disposed on the clamping frame (5). Several support base grooves (61) are disposed at equal angles around the clamping base plate (64) on the frame surface of the clamping frame (5). Each support base groove (61) is equipped with a corresponding mounting block (62). The arm end of the mounting block (62) is provided with a clamping arm (63).

3. The novel bridge housing horizontal machining fixture according to claim 2, characterized in that, The support base groove (61) is provided in three parts and is arranged at equal angles.

4. The novel bridge housing horizontal machining fixture according to claim 3, characterized in that, The clamp frame (5) is provided with a bottom inner slide (51) and two top corner inner slides (53). The bottom inner slide (51) is provided with a bottom slider (52), and the top corner inner slides (53) are provided with top sliders (54). One of the support base grooves (61) is installed on the bottom slider (52), and the other two support base grooves (61) are respectively installed on the top sliders (54).

5. The novel bridge housing horizontal machining fixture according to claim 4, characterized in that, The bottom slider (52) is provided with a swing rod (57) on its side edge. The swing rod (57) is symmetrically arranged on both sides. The swing rod (57) on both sides is connected to a transmission link (58). The transmission link (58) is connected to a linkage rod (59). The transmission end of the linkage rod (59) is connected to the corresponding top slider (54).

6. The novel bridge housing horizontal machining fixture according to claim 5, characterized in that, The clamp frame (5) is also equipped with a drive cylinder (55). The drive end of the drive cylinder (55) is connected to the bottom inner slide (51) through the drive rod (56), thereby synchronously driving the external clamping arm (63) to perform synchronous clamping movement.

7. The novel bridge housing horizontal machining fixture according to claim 1, characterized in that, The clamp frame (5) and clamping assembly (6) on the fixed clamp seat (3) have the same structure as the clamp frame (5) and clamping assembly (6) on the movable clamp seat (4).

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