CN202752996U

CN202752996U - Supporting frame special for internal grinder

Info

Publication number: CN202752996U
Application number: CN 201220300018
Authority: CN
Inventors: 袁跃东; 郑建东; 彭真义; 娄云飞
Original assignee: Nanchang Ocean Current Generation Device Co Ltd
Current assignee: Nanchang Ocean Current Generation Device Co Ltd
Priority date: 2012-06-26
Filing date: 2012-06-26
Publication date: 2013-02-27
Anticipated expiration: 2022-06-26

Abstract

The utility model discloses a supporting frame special for an internal grinder. The supporting frame special for the internal grinder comprises an angle-square-shaped supporting frame base and two supporting blocks, and further comprises two ceramic rods and two clamping bolts. The two supporting blocks are at right angles, respectively arranged on the two sides of the supporting frame base, and respectively connected with the supporting frame base through a sliding groove. The two blocks are tightly fixed on the supporting frame base through bolts, an arc concave groove is arranged in the end face of each supporting block, a clamping seam is arranged downwards at the bottom of each arc concave groove, two sides of the clamping seam of each supporting block are respectively provided with a countersink and a screw hole communicated with each other, the two clamping bolts respectively penetrate through the countersinks of the two supporting blocks and are screwed into the screw holes, and the two ceramic rods are respectively arranged in the arc concave grooves of the end faces of the two supporting blocks and are fastened through the clamping bolts. The supporting frame special for the internal grinder overcomes the defects of the traditional supporting frame special for the internal grinder, has good generality, facilitates fulcrum changing, prevents part surfaces from being scratched, ensures the quality of machining parts, reduces production cost, and improves grinder working efficiency.

Description

Special-purpose internal grinder bracing frame

Technical field

The utility model relates to a kind of special-purpose internal grinder bracing frame.

Background technology

Special-purpose internal grinder generally adopts special-purpose supporting frame to realize that part supports, with processing operations such as enforcement part internal grindings when processing parts.The tradition bracing frame comprises bracket base and two rest pads, bracket base is angle-square-shaped and is installed on the grinding machine, two rest pads meet at right angles respectively and are located on the bracket base, processing parts such as piston are between the end face of two rest pads, the fulcrum of rest pad end face plays the supporting role of part against the treatment of surfaces of components, and the intersection point of two rest pad center lines and the central point of processing parts coincide; Each rest pad end face is inlayed respectively the fulcrum that two carbide alloy are made, and four fulcrum end faces are arc surface through the special equipment grinding.And the corresponding different processing parts outside diameters that need of different arc surfaces, add part in man-hour (such as piston external diameter) and be close to four carbide alloy fulcrum arc surfaces rotation on two rest pads, play pivot and the supporting role of part, because the relative processing parts of carbide alloy fulcrum produces spin friction in part processing, easily cause fulcrum wearing and tearing and the treatment of surfaces of components to scratch, have a strong impact on the quality of processing parts; The carbide alloy fulcrum of wearing and tearing need be repaired simultaneously, difficulty is high so that fulcrum is repaired, cost is high because of factors such as carbide alloy material, welding, reconditioning precision in the reparation, and one secondary rest pad can only corresponding a kind of specification outside dimension part processing, lack versatility, processing various outer diameter specification part just needs to change the different size bracing frame, so both reduce the operating efficiency of grinding machine, also increased production cost.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of special-purpose internal grinder bracing frame, this bracing frame has overcome the defective of conventional dedicated internal grinder bracing frame, its highly versatile, it is convenient that the fulcrum wearability is higher, fulcrum is changed, avoid the scuffing of piece surface, guarantee the quality of processing parts, reduced production cost, improved the operating efficiency of grinding machine.

For solving the problems of the technologies described above, the special-purpose internal grinder bracing frame of the utility model comprises angle-square-shaped bracket base and two rest pads, also comprise two ceramic rods and two fishbolts, the meet at right angles both sides of being located at respectively described bracket base and be connected with bracket base by chute of described two rest pads, described two rest pads by bolted on described bracket base, described rest pad end face is provided with arc groove and has the clamping seam downwards in the arc groove bottom, described rest pad clamps counterbore and the screw that the seam both sides are respectively equipped with connection, described two fishbolts pass respectively the counterbore of described two rest pads and are screwed in the described screw, and described two ceramic rods embed respectively in the arc groove of described two rest pad end faces and be fastening by fishbolt.

Further, the ceramic rod center outwards is offset respectively 2mm on above-mentioned two rest pads take the processing parts central point as benchmark.

Because the special-purpose internal grinder bracing frame of the utility model has adopted technique scheme, be that this bracing frame comprises angle-square-shaped bracket base and two rest pads, also comprise two ceramic rods and two fishbolts, the meet at right angles both sides of being located at respectively bracket base and be connected with bracket base by chute of two rest pads, two rest pads by bolted on bracket base, the rest pad end face is provided with arc groove and has the clamping seam downwards in the arc groove bottom, rest pad clamps counterbore and the screw that the seam both sides are respectively equipped with connection, two fishbolts pass respectively the counterbore of two rest pads and are screwed in the screw, and two ceramic rods embed respectively in the arc groove of two rest pad end faces and be fastening by fishbolt.This bracing frame has overcome the defective of conventional dedicated internal grinder bracing frame, increases the service life, and its highly versatile, fulcrum is changed convenient, avoids the scuffing of piece surface, has guaranteed the quality of processing parts, improves the operating efficiency of grinding machine, has reduced production cost.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and embodiments:

Fig. 1 is the structural representation of the special-purpose internal grinder bracing frame of the utility model;

Fig. 2 is the structural representation of rest pad in this bracing frame;

Fig. 3 is the structural representation that seat is calibrated by this bracing frame and reference center.

The specific embodiment

As shown in Figure 1 to Figure 3, the special-purpose internal grinder bracing frame of the utility model comprises angle-square-shaped bracket base 1 and two rest pads 2, also comprise two ceramic rods 3 and two fishbolts 4, the meet at right angles both sides of being located at respectively described bracket base 1 and be connected with bracket base 1 by chute 11 of described two rest pads 2, described two rest pads 2 are anchored on the described bracket base 1 by bolt 23, described rest pad 2 end faces are provided with arc groove and have clamping seam 21 downwards in the arc groove bottom, described rest pad clamps counterbore 22 and the screw 25 that seam 21 both sides are respectively equipped with connection, described two fishbolts 4 pass respectively the counterbore 22 of described two rest pads 2 and are screwed in the described screw 25, and described two ceramic rods 3 embed respectively in the arc groove of described two rest pad 2 end faces and be fastening by fishbolt 4.

Further, ceramic rod 3 centers outwards are offset 2mm take processing parts 5 central points as benchmark respectively on above-mentioned two rest pads 2, namely as take processing parts 5 central points as initial point, the positive Y direction skew of mind-set in the ceramic rod on the rest pad, the negative X-direction skew of mind-set in the ceramic rod on another rest pad.On two rest pads ceramic rod depart from the processing parts center be arranged so that part put into to two the supporting fulcrums between center of gravity safer, play the effect of secure support processing parts.

As shown in Figure 3, the dimensions different according to processing parts, in advance this supporting base is put on reference center's calibration seat 7 and carried out calibrate, calibration seat 7 is provided with the center bar 6 that processing parts 5 is set, put into need processing parts 5 at center bar 6, move two rest pads 2 by adjustment screw 24 and make ceramic rod 3 and need processing parts 5 to contact the rear bolt 23 fastening rest pads 2 of using, ceramic rod 3 forms lines with processing parts 5 and contacts.Two removable processing operations that make this bracing frame be applicable to the different size part of rest pad have improved the versatility of bracing frame.

This bracing frame is by being located at ceramic rod in the rest pad end face arc groove as the fulcrum of processing parts, ceramic rod and traditional carbide alloy fulcrum relatively have the hardness height, wearability is good and surperficial good lubricity, can solve the problem that piece surface scratches, fulcrum weares and teares that occurs because of pivoting friction between processing parts and the fulcrum, effectively guarantee the crudy of part; It is quite convenient to change after the ceramic rod wearing and tearing simultaneously, only need unscrew the fishbolt on the rest pad, the clamping seam of rest pad opens, can in the arc groove of rest pad end face, shift out ceramic rod, tighten the fixedly interior ceramic rod of arc groove of fishbolt after moving into subsequently the new ceramic rod, this structure has overcome the defective that traditional carbide alloy fulcrum is changed difficulty, has improved the efficient of fulcrum replacing operation.

This support frame structure is simple, and is easy to operate, and processing parts supports reliable and stable, guarantees the crudy of part, reduced production cost, improved the operating efficiency of grinding machine.

Claims

1. special-purpose internal grinder bracing frame, comprise angle-square-shaped bracket base and two rest pads, it is characterized in that: also comprise two ceramic rods and two fishbolts, the meet at right angles both sides of being located at respectively described bracket base and be connected with bracket base by chute of described two rest pads, described two rest pads by bolted on described bracket base, described rest pad end face is provided with arc groove and has the clamping seam downwards in the arc groove bottom, described rest pad clamps counterbore and the screw that the seam both sides are respectively equipped with connection, described two fishbolts pass respectively the counterbore of described two rest pads and are screwed in the described screw, and described two ceramic rods embed respectively in the arc groove of described two rest pad end faces and be fastening by fishbolt.

2. special-purpose internal grinder bracing frame according to claim 1, it is characterized in that: the ceramic rod center outwards is offset respectively 2mm on described two rest pads take the processing parts central point as benchmark.