Clamp for improving durability of boring cutter of bracket part
Technical Field
The utility model relates to a clamp for improving the durability of boring and machining tools of bracket parts, and belongs to the technical field of clamp equipment.
Background
A bracket part is arranged in the field of automobile power assembly parts and is used for supporting a guide shaft. The parts and the shaft are matched with the mounting holes, so that the requirements on the diameter and cylindricity are high, and boring processing is required. Meanwhile, the holes to be processed of the bracket parts, the bottom surface and the positioning and mounting holes have certain position precision requirements. However, in actual production, the problem is that the processing part is far away from the positioning mounting surface, the rigidity is poor during processing, vibration lines are formed on the surface of a workpiece due to cutting vibration, the cutter can be frequently impacted, the cutter durability is low, and large cutter cost is generated, so that a clamp for improving the cutter durability of boring processing of support parts is urgently needed at present to solve the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide the clamp for improving the durability of the boring cutter for the bracket part, so as to solve the problems in the prior art.
In order to achieve the aim, the clamp for improving the durability of the boring cutter of the bracket part comprises a clamp seat, a bracket part main body, a pressing plate and a V-shaped pressing plate, wherein a welding piece is welded at the upper end of the clamp seat, two positioning screws are longitudinally fixed at the upper end of the clamp seat, bracket part positioning holes are longitudinally formed in the left side and the right side of the front end of the bracket part main body in a penetrating manner, fixing screws are longitudinally fixed at the left side and the right side of the upper end of the clamp seat, a second flanged nut and a third flanged nut are sleeved on the annular side of each of the two fixing screws, two pressing plates are sleeved outside the two fixing screws respectively, a threaded fixing rod and a fixing rod are longitudinally fixed at the left side and the right side of the rear end of the upper end of the clamp seat respectively, a welding ring is arranged at the upper end of the fixing rod, a rotating shaft is fixedly arranged in the welding ring, and an elliptical groove is formed in the left side of the left end of the V-shaped pressing plate.
Further, a shaft fit mounting hole is formed in the upper side of the front end of the bracket part main body.
Further, a positioning groove is formed in the lower end of the support part main body, and the welding piece is clamped in the positioning groove.
Further, the two positioning screws respectively penetrate through the two bracket part positioning holes, and the two positioning screws are fastened with the bracket part main body through the first flanged nut.
Further, the two pressing plates are respectively arranged between the two second flanged nuts and the two third flanged nuts, and the two pressing plates are pressed against the bracket part main body.
Further, the right end of the V-shaped pressing plate is integrally provided with an ear plate, the ear plate is movably sleeved outside the rotating shaft, and the V-shaped pressing plate is tightly pressed against the bracket part main body.
Further, the threaded fixing rod is movably sleeved in the elliptical groove, and a fourth flanged nut is sleeved at the upper end of the outer part of the threaded fixing rod.
The fixture for improving the durability of the boring cutter for the bracket parts has the beneficial effects that the fixture is simple in structure, well improves the rigidity of the boring cutter for the bracket parts and the shaft matched mounting holes, effectively reduces vibration in the cutting process, improves the durability of the cutter and improves the machining precision due to the addition of the welding piece, the positioning screw, the first flanged nut, the fixing screw, the pressing plate, the second flanged nut, the third flanged nut, the fixing rod, the welding ring, the rotating shaft, the V-shaped pressing plate, the threaded fixing rod and the fourth flanged nut.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a perspective view of the overall structure of a fixture for improving the durability of boring tools for bracket parts;
FIG. 2 is a schematic diagram of a bracket component body of a fixture for improving the durability of a boring tool for the bracket component according to the present utility model;
FIG. 3 is a schematic view of the oval groove shape of the V-shaped pressing plate of the clamp for improving the durability of the boring cutter of the bracket part;
FIG. 4 is a schematic drawing showing the detachment of a pressing plate of a clamp for improving the durability of a boring tool for a bracket part;
In the figure, a 1-clamp seat, a 2-welding sheet, a 3-positioning screw, a 4-first flanged nut, a 5-bracket part main body, a 51-shaft matching installation hole, a 6-bracket part positioning hole, a 7-positioning groove, an 8-fixing screw, an 81-pressing plate, a 9-second flanged nut, a 10-third flanged nut, an 11-fixing rod, a 12-welding ring, a 13-rotating shaft, a 14-V-shaped pressing plate, a 15-threaded fixing rod and a 16-fourth flanged nut are arranged.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1-4, the utility model provides a technical scheme that a fixture for improving the durability of boring tools for bracket parts comprises a fixture seat 1, a bracket part main body 5, a pressing plate 81 and a V-shaped pressing plate 14, wherein a welding sheet 2 is welded at the upper end of the fixture seat 1, two positioning screws 3 are longitudinally fixed at the upper end of the fixture seat 1, bracket part positioning holes 6 are longitudinally formed in the left and right sides of the front end of the bracket part main body 5, fixing screws 8 are longitudinally fixed at the left and right sides of the upper end of the fixture seat 1, a second flanged nut 9 and a third flanged nut 10 are sleeved on the annular side surfaces of the two fixing screws 8, the pressing plate 81 is provided with two pressing plates 81, the two pressing plates 81 are sleeved outside the two fixing screws 8, a threaded fixing rod 15 and a fixing rod 11 are longitudinally fixed at the left and right sides of the upper end of the fixture seat 1, a welding ring 12 is mounted at the upper end of the fixing rod 11, a rotating shaft 13 is fixedly arranged in the welding ring 12, and an elliptical groove is formed in the left side of the left end of the V-shaped pressing plate 14.
As a first embodiment of the utility model, the upper side of the front end of the bracket part main body 5 is provided with a shaft matching mounting hole 51, the lower end of the bracket part main body 5 is provided with a positioning groove 7, the welding sheet 2 is clamped in the positioning groove 7, and the bracket part main body 5 placed at the upper end of the clamp seat 1 can be limited in the left-right direction through the added positioning groove 7 and the arranged welding sheet 2.
The two positioning screw rods 3 respectively penetrate through the two support part positioning holes 6, the two positioning screw rods 3 are fastened with the support part main body 5 through the first flanged nut 4, and the support part main body 5 can be conveniently and accurately placed through the two added positioning screw rods 3, and meanwhile the two positioning screw rods 3 are matched and can be fixed. The two pressing plates 81 are respectively arranged between the two second flanged nuts 9 and the two third flanged nuts 10, the two pressing plates 81 are tightly pressed on the bracket part main body 5, the heights of the two pressing plates 81 can be adjusted through the two added second flanged nuts 9 and the two third flanged nuts 10, and meanwhile, the bracket part main body 5 can be tightly pressed through the two pressing plates 81.
The integrated otic placode that is provided with in V-arrangement clamp plate 14 right-hand member, and otic placode movable sleeve is outside rotation axis 13, V-arrangement clamp plate 14 sticiss support part main part 5, can sticiss support part main part 5 upper portion through the V-arrangement clamp plate 14 that adds, screw thread dead lever 15 movable sleeve is established in the oval inslot, screw thread dead lever 15 outside upper end cover has fourth flanged nut 16, through the oval inslot that adds, can not influence V-arrangement clamp plate 14 and swing with rotation axis 13, simultaneously when screw thread dead lever 15 movable sleeve is established in the oval inslot, still accessible fourth flanged nut 16 carries out spacing fixed to V-arrangement clamp plate 14, and then can indirectly make V-arrangement clamp plate 14 sticiss support part main part 5 upper portion, the effectual vibration that reduces support part main part 5 cutting process.
As a second embodiment of the present utility model: when the boring processing is needed to be carried out on the bracket part main body 5, the bracket part main body 5 is firstly placed at the upper end of the clamp seat 1 so that the welding piece 2 is clamped in the positioning groove 7, the two positioning screws 3 respectively penetrate through the two bracket part positioning holes 6, then the two first flanged nuts 4 are screwed outside the two positioning screws 3 by using an external wrench so that the two first flanged nuts 4 are tightly pressed on the bracket part main body 5, then the two second flanged nuts 9 are sleeved on the annular side surfaces of the two fixing screws 8, then the two pressing plates 81 are sleeved outside the two fixing screws 8 and are positioned at the upper ends of the two second flanged nuts 9, then the swinging ends of the two second flanged nuts 9 are placed on the upper side of the bracket part main body 5, then, the two third flanged nuts 10 are respectively sleeved at the upper ends of the two fixing screws 8, and the two second flanged nuts 9 and the two third flanged nuts 10 are screwed down at the same speed by using an external wrench, so that the two pressing plates 81 can be pushed to move down until the two pressing plates 81 press the bracket part main body 5, then the V-shaped pressing plate 14 swings anticlockwise around the rotating shaft 13 when swinging anticlockwise until the V-shaped pressing plate 14 movably sleeved in the elliptical groove until the threaded fixing rod 15 is sleeved in the elliptical groove, meanwhile, the V-shaped pressing plate 14 is placed at the upper end of the bracket part main body 5, then the fourth flanged nut 16 is screwed up at the upper end of the threaded fixing rod 15 by using the external wrench, so that the fourth flanged nut 16 presses the left upper side of the V-shaped pressing plate 14, and then the V-shaped pressing plate 14 is forced to press the upper end of the bracket part main body 5, at the moment, the clamping and fixing of the bracket part main body 5 can be realized, so that the external cutter performs boring processing on the shaft-fitting mounting hole 51.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.