阅读说明：本技术 一种双型面零件的检测夹具 (Detection clamp for double-profile part ) 是由 韩金娜 于 2020-06-07 设计创作，主要内容包括：一种双型面零件的检测夹具,由焊接底架、调节顶丝组件、标准基准块、两个定位块、四个支撑定位块、下型面检测组件、上型面检测组件构成,所述焊接底架的底面上装有六组调节顶丝组件,所述标准基准块通过螺销结构固定在所述焊接底架的上平面上,所述下型面检测组件由第一下型面检测卡板、第二下型面检测卡板、第三下型面检测卡板、第四下型面检测卡板、第五下型面检测卡板、第六下型面检测卡板构成,每块下型面检测卡板通过两个连接角钢件固定在所述焊接底架的上平面上,十二块上型面检测卡板通过铰制销轴螺栓可转动安装在所述固定支座上,通过定位销轴螺栓进行工作位固定。本发明提出了一种结构简单,装夹方便,适合批量特殊零件检测的专用检测夹具。(A detection clamp for double-profile parts comprises a welding underframe, an adjusting jackscrew assembly, a standard reference block, two positioning blocks, four supporting positioning blocks, a lower profile detection assembly and an upper profile detection assembly, six groups of adjusting jackscrew components are arranged on the bottom surface of the welding underframe, the standard reference block is fixed on the upper plane of the welding underframe through a screw pin structure, the lower profile detection assembly is composed of a first lower profile detection clamping plate, a second lower profile detection clamping plate, a third lower profile detection clamping plate, a fourth lower profile detection clamping plate, a fifth lower profile detection clamping plate and a sixth lower profile detection clamping plate, wherein each lower profile detection clamping plate is fixed on the upper plane of the welding underframe through two connecting angle steel pieces, twelve upper profile detection clamping plates are rotatably installed on the fixed support through hinged pin shaft bolts, and the working positions of the twelve upper profile detection clamping plates are fixed through the pin shaft bolts. The invention provides a special detection clamp which is simple in structure, convenient to clamp and suitable for detecting special parts in batches.)

1. The detection fixture for the double-profile part is characterized by comprising a welding underframe, an adjusting jackscrew component, a standard reference block, two positioning blocks, four supporting and positioning blocks, a lower profile detection component and an upper profile detection component, wherein the welding underframe is formed by welding a square steel pipe and a flat plate, the upper plane and the lower plane are parallel, and the flatness parallelism is guaranteed to be within 0.05; the standard reference block is fixed on the upper plane of the welding underframe through a screw pin structure and is arranged on three corners of the upper plane of the welding underframe, and a standard ball head mounting hole is formed in the standard reference block; the two positioning blocks and the four supporting positioning blocks are I-shaped positioning blocks and are arranged on two outer sides of the welding chassis according to the length direction of a detection part, the height directions of the two positioning blocks, the four supporting positioning blocks and the welding chassis are strictly controlled, positioning origin holes are respectively machined on the two positioning blocks, the mutual distance between the two positioning origin holes and the standard ball head mounting holes of the three standard reference blocks is strictly controlled according to design requirements, first bushings are pressed on the positioning origin holes, and positioning bolts are installed on the first bushings in a pluggable mode; the lower profile detection assembly comprises a first lower profile detection clamping plate, a second lower profile detection clamping plate, a third lower profile detection clamping plate, a fourth lower profile detection clamping plate, a fifth lower profile detection clamping plate and a sixth lower profile detection clamping plate, wherein each lower profile detection clamping plate is fixed on the upper plane of the welding underframe through two connecting angle steel parts and sequentially arranged along the length direction of a detection part, the distance between each lower profile detection clamping plate is designed according to the minimum detection distance requirement, each lower profile detection clamping plate is made of 7075 aviation aluminum and is provided with three datum holes and a lower profile detection surface, fourth bushings are arranged in the three datum holes in a medium pressure mode, the three datum holes and the lower profile detection surface have strict mutual position relations, and the lower profile detection surface basically presents a shape of a large obtuse angle; the upper molded surface detection assembly comprises a first upper molded surface detection clamping plate, a second upper molded surface detection clamping plate, a third upper molded surface detection clamping plate, a fourth upper molded surface detection clamping plate, a fifth upper molded surface detection clamping plate, a sixth upper molded surface detection clamping plate, a seventh upper molded surface detection clamping plate, an eighth upper molded surface detection clamping plate, a ninth upper molded surface detection clamping plate, a tenth upper molded surface detection clamping plate, an eleventh upper molded surface detection clamping plate, a twelfth upper molded surface detection clamping plate and twelve fixed supports, wherein the twelve fixed supports are respectively fixed on the left side and the right side of the lower molded surface detection assembly through screw pin structures, the number of the single edges is six, the twelve upper molded surface detection clamping plates are rotatably arranged on the fixed supports through hinged pin shaft bolts, the working positions are fixed through the pin shaft bolts, and the first upper molded surface detection clamping plate, the second upper molded surface detection clamping plate, the sixth upper molded surface detection clamping plate, the lower molded surface detection clamping plate and the, the seventh to twelfth upper profile detection clamping plates are arranged on the other side of the lower profile detection assembly and are arranged above the lower profile detection assembly, the distance between every two upper profile detection clamping plates is designed according to the minimum distance requirement of detection, every upper profile detection clamping plate is made of 7075 aviation aluminum, three datum holes, an upper profile detection surface, a product sideline detection surface, a notch detection surface, two first connecting bottom holes and auxiliary lifting holes are formed in the upper profile detection clamping plate, and the three datum holes are in strict mutual position relation with the upper profile detection surface, the product sideline detection surface and the notch detection surface.

2. The inspection jig for double-profile parts according to claim 1, characterized in that: the upper profile detection clamping plate is provided with three reference holes, an upper profile detection surface, a product sideline detection surface, a notch detection surface, two first connecting bottom holes and an auxiliary lifting hole, wherein a second bushing is pressed in each of the two first connecting bottom holes, and the auxiliary lifting hole is used for allowing a finger to pass through and facilitating the overturning of the upper profile detection clamping plate; go up the profile and detect the rotatable installation of cardboard on the fixing support, the last rotation fitting surface that is provided with of fixing support rotate and be provided with two seconds on the fitting surface and connect the bottom outlet the second is connected the bottom outlet and is pressed in and is equipped with the third bush, it leans on to go up the profile and detect the cardboard on fixing support's the rotation fitting surface, fix with fixation nut through hinge system round pin axle bolt, can make the profile detect the cardboard along fixing support rotates, works as when going up the profile and detecting the cardboard and when the exact position of detection, can penetrate locating pin axle bolt just fixes with star type nut.

3. The inspection jig for double-profile parts according to claim 1, characterized in that: the adjusting jackscrew component consists of an upper connecting plate, a conical head adjusting bolt, a locking nut and a ground mounting plate, the upper connecting plate is a square plate, the center of the upper connecting plate is provided with a fine thread through hole, the upper connecting plate is fixed on the bottom surface of the welding underframe, the cone head adjusting bolt is provided with fine thread, the bottom is provided with a cone head, a locking nut is arranged on the cone head adjusting bolt in a matching way, the cone head adjusting bolt can be rotatably sleeved on the fine thread through hole connected with the cone head adjusting bolt, and can be locked by a locking nut, and can be prevented from loosening by a double-thread and fine-thread structure, a conical head counter sink is processed on the ground mounting plate, the conical head adjusting bolt is supported on the conical head counter sink of the bottom mounting plate, and after the welding underframe is leveled and the plumb is adjusted in place, the conical head adjusting bolt and the ground mounting plate are fixedly poured with epoxy.

4. The inspection jig for double-profile parts according to claim 1, characterized in that: a detection clamp for double-profile parts has the processing technical scheme and the core control requirement that a welding chassis is tempered after welding, an upper plane and a lower plane are processed, the parallelism of the flatness is controlled within 0.05, a standard reference block, two positioning blocks and four supporting positioning blocks are installed according to the space size, the shapes and the upper planes of the two positioning blocks and the four supporting positioning blocks and positioning origin holes on the two positioning blocks are processed in a numerical control mode, the height tolerance of the two positioning blocks and the four supporting positioning blocks is guaranteed within plus or minus 0.05, and the distance between the positioning origin holes on the two positioning blocks and standard ball head installation holes of the standard reference block is within plus or minus 0.03; the first lower profile detection clamping plate, the second lower profile detection clamping plate, the third lower profile detection clamping plate, the fourth lower profile detection clamping plate, the fifth lower profile detection clamping plate, the sixth lower profile detection clamping plate, the first upper profile detection clamping plate, the second upper profile detection clamping plate, the third upper profile detection clamping plate, the fourth upper profile detection clamping plate, the fifth upper profile detection clamping plate, the sixth upper profile detection clamping plate, the seventh upper profile detection clamping plate, the eighth upper profile detection clamping plate, the ninth upper profile detection clamping plate, the tenth upper profile detection clamping plate, the eleventh upper profile detection clamping plate and the twelfth upper profile detection clamping plate are all processed by 7075 aviation aluminum in a numerical control manner, so that the space between three datum holes and the mutual relation between the profiles and the datum holes are ensured, and the space between the three datum holes is required to be controlled within plus or minus 0.02; finally, all the detection clamping plates are adjusted and installed in place according to the designed OTP value requirement through SMART equipment, and the adjustment and installation can be carried out in the assembling process through modes of adding a pad and the like; after adjustment and installation, the mutual position relation and the detection elements of all the detection clamping plates can meet the design requirements.

Technical Field

The invention relates to a detection clamp, in particular to a detection clamp for a double-profile part.

Background

When the double-profile part, in particular to a double-profile structural part with small thickness is made of titanium alloy and aluminum alloy, higher requirements are provided for a processing technology, numerical control programming, a deformation control mode and a detection method. In the machining process, how to control whether the part is finally qualified or not through deformation control and control of cutting parameters and cutting amount is extremely important, and meanwhile, the double-profile part is difficult to operate in a profile measuring method and thickness measurement due to the lack of a reference plane.

For a type of double-profile part, one surface of the part is a concave surface, and the other surface of the part is a convex surface, and the requirement on the wall thickness of the part is strict, so the detection method of the type of part is an important means for judging whether the part is qualified. Meanwhile, the side line of the part is very complex, and the detection of the size of the side line needs the contrast of the side line. Therefore, the invention provides a special detection clamp which is simple in structure, convenient to operate and visual in result and is used for detecting special parts.

Disclosure of Invention

The invention aims to provide a detection clamp for double-profile parts, and provides a processing process scheme and core control requirements of the detection clamp, so that the detection clamp is used for detecting special parts, the detection efficiency of batch part production is improved, and the problem that other detection means of the double-profile parts are difficult to detect is solved.

In order to achieve the purpose, the invention provides the following technical scheme:

a detection clamp for double-profile parts comprises a welding underframe, an adjusting jackscrew component, a standard reference block, two positioning blocks, four supporting positioning blocks, a lower profile detection component and an upper profile detection component, wherein the welding underframe is formed by welding a square steel pipe and a flat plate, the upper plane and the lower plane are parallel, the parallelism of the flatness is guaranteed to be within 0.05, six groups of adjusting jackscrew components are arranged on the bottom surface of the welding underframe, and each adjusting jackscrew component comprises an upper connecting plate, a conical head adjusting bolt, a locking nut and a ground mounting plate; the standard reference block is fixed on the upper plane of the welding underframe through a screw pin structure and is arranged on three corners of the upper plane of the welding underframe, and a standard ball head mounting hole is formed in the standard reference block; the two positioning blocks and the four supporting positioning blocks are I-shaped positioning blocks and are arranged on two outer sides of the welding chassis according to the length direction of a detection part, the height directions of the two positioning blocks, the four supporting positioning blocks and the welding chassis are strictly controlled, positioning origin holes are respectively machined on the two positioning blocks, the mutual distance between the two positioning origin holes and the standard ball head mounting holes of the three standard reference blocks is strictly controlled according to design requirements, first bushings are pressed on the positioning origin holes, and positioning bolts are installed on the first bushings in a pluggable mode; the lower profile detection assembly comprises a first lower profile detection clamping plate, a second lower profile detection clamping plate, a third lower profile detection clamping plate, a fourth lower profile detection clamping plate, a fifth lower profile detection clamping plate and a sixth lower profile detection clamping plate, wherein each lower profile detection clamping plate is fixed on the upper plane of the welding underframe through two connecting angle steel parts and sequentially arranged along the length direction of a detection part, the distance between each lower profile detection clamping plate is designed according to the minimum detection distance requirement, each lower profile detection clamping plate is made of 7075 aviation aluminum and is provided with three datum holes and a lower profile detection surface, fourth bushings are arranged in the three datum holes in a medium pressure mode, the three datum holes and the lower profile detection surface have strict mutual position relations, and the lower profile detection surface basically presents a shape of a large obtuse angle; the upper molded surface detection assembly comprises a first upper molded surface detection clamping plate, a second upper molded surface detection clamping plate, a third upper molded surface detection clamping plate, a fourth upper molded surface detection clamping plate, a fifth upper molded surface detection clamping plate, a sixth upper molded surface detection clamping plate, a seventh upper molded surface detection clamping plate, an eighth upper molded surface detection clamping plate, a ninth upper molded surface detection clamping plate, a tenth upper molded surface detection clamping plate, an eleventh upper molded surface detection clamping plate, a twelfth upper molded surface detection clamping plate and twelve fixed supports, wherein the twelve fixed supports are respectively fixed on the left side and the right side of the lower molded surface detection assembly through screw pin structures, the number of the single edges is six, the twelve upper molded surface detection clamping plates are rotatably arranged on the fixed supports through hinged pin shaft bolts, the working positions are fixed through the pin shaft bolts, and the first upper molded surface detection clamping plate, the second upper molded surface detection clamping plate, the sixth upper molded surface detection clamping plate, the lower molded surface detection clamping plate and the, the seventh to twelfth upper profile detection clamping plates are arranged on the other side of the lower profile detection assembly and are arranged above the lower profile detection assembly, the distance between every two upper profile detection clamping plates is designed according to the minimum distance requirement of detection, every upper profile detection clamping plate is made of 7075 aviation aluminum, three datum holes, an upper profile detection surface, a product sideline detection surface, a notch detection surface, two first connecting bottom holes and auxiliary lifting holes are formed in the upper profile detection clamping plate, and the three datum holes are in strict mutual position relation with the upper profile detection surface, the product sideline detection surface and the notch detection surface.

As a further scheme of the invention: the upper profile detection clamping plate is provided with three reference holes, an upper profile detection surface, a product sideline detection surface, a notch detection surface, two first connecting bottom holes and an auxiliary lifting hole, wherein a second bushing is pressed in each of the two first connecting bottom holes, and the auxiliary lifting hole is used for allowing a finger to pass through and facilitating the overturning of the upper profile detection clamping plate; go up the profile and detect the rotatable installation of cardboard on the fixing support, the last rotation fitting surface that is provided with of fixing support rotate and be provided with two seconds on the fitting surface and connect the bottom outlet the second is connected the bottom outlet and is pressed in and is equipped with the third bush, it leans on to go up the profile and detect the cardboard on fixing support's the rotation fitting surface, fix with fixation nut through hinge system round pin axle bolt, can make the profile detect the cardboard along fixing support rotates, works as when going up the profile and detecting the cardboard and when the exact position of detection, can penetrate locating pin axle bolt just fixes with star type nut.

As a further scheme of the invention: the adjusting jackscrew component consists of an upper connecting plate, a conical head adjusting bolt, a locking nut and a ground mounting plate, the upper connecting plate is a square plate, the center of the upper connecting plate is provided with a fine thread through hole, the upper connecting plate is fixed on the bottom surface of the welding underframe, the cone head adjusting bolt is provided with fine thread, the bottom is provided with a cone head, a locking nut is arranged on the cone head adjusting bolt in a matching way, the cone head adjusting bolt can be rotatably sleeved on the fine thread through hole connected with the cone head adjusting bolt, and can be locked by a locking nut, and can be prevented from loosening by a double-thread and fine-thread structure, a conical head counter sink is processed on the ground mounting plate, the conical head adjusting bolt is supported on the conical head counter sink of the bottom mounting plate, and after the welding underframe is leveled and the plumb is adjusted in place, the conical head adjusting bolt and the ground mounting plate are fixedly poured with epoxy.

As a further scheme of the invention: the detection fixture for the double-profile part has the processing technical scheme and the core control requirement that the welding chassis is tempered after welding, an upper plane and a lower plane are processed, the flatness parallelism is controlled within 0.05, a standard reference block, two positioning blocks and four supporting positioning blocks are installed according to the space size, the shapes and the upper planes of the two positioning blocks and the four supporting positioning blocks and positioning origin holes on the two positioning blocks are processed in a numerical control mode, the height tolerance of the two positioning blocks and the four supporting positioning blocks is guaranteed within plus or minus 0.05, and the distance between the positioning origin holes on the two positioning blocks and a standard ball head installation hole of the standard reference block is within plus or minus 0.03; the first lower profile detection clamping plate, the second lower profile detection clamping plate, the third lower profile detection clamping plate, the fourth lower profile detection clamping plate, the fifth lower profile detection clamping plate, the sixth lower profile detection clamping plate, the first upper profile detection clamping plate, the second upper profile detection clamping plate, the third upper profile detection clamping plate, the fourth upper profile detection clamping plate, the fifth upper profile detection clamping plate, the sixth upper profile detection clamping plate, the seventh upper profile detection clamping plate, the eighth upper profile detection clamping plate, the ninth upper profile detection clamping plate, the tenth upper profile detection clamping plate, the eleventh upper profile detection clamping plate and the twelfth upper profile detection clamping plate are all processed by 7075 aviation aluminum in a numerical control manner, so that the space between three datum holes and the mutual relation between the profiles and the datum holes are ensured, and the space between the three datum holes is required to be controlled within plus or minus 0.02; finally, all the detection clamping plates are adjusted and installed in place according to the designed OTP value requirement through SMART equipment, and the adjustment and installation can be carried out in the assembling process through modes of adding a pad and the like; after adjustment and installation, the mutual position relation and the detection elements of all the detection clamping plates can meet the design requirements.

Compared with the prior art, the invention has the beneficial effects that: the utility model provides a detection anchor clamps of two profiles part, simple structure, convenient to use combines means such as cock piece, visualizes, can realize the two profiles of special part and sideline outer fringe and detect the requirement, can solve the difficult realization that detects of this part three-dimensional detection, is applicable to the batch detection requirement of special product in batches.

Drawings

FIG. 1 is a schematic structural view of a detection fixture for double-profile parts according to the present invention.

FIG. 2 is a schematic structural view of a detecting jig (top view) for a double-profile part according to the present invention.

FIG. 3 is a schematic structural view of a double-profile part inspection jig (side view) according to the present invention.

FIG. 4 is a schematic structural view of a detecting jig (front view) for a double-profile part according to the present invention.

Fig. 5 is a schematic view of the structure of the inspection jig (partially enlarged) for the double-profile part of the present invention.

FIG. 6 is a schematic view of the connection structure of the surface detection clamping plate and the fixed support on the detection clamp for the double-surface part of the invention.

Fig. 7 is a schematic view of a (typical) structure of a profile testing pallet on a testing jig for double-profile parts according to the present invention.

Fig. 8 is a schematic view of a (typical) structure of a profile testing pallet on a testing jig for a dual-profile part according to the present invention.

In the figure: 1-welding underframe, 2-adjusting jackscrew component, 3-standard reference block, 4-supporting locating block, 5-locating block, 6-first bush, 7-1-first lower profile detection pallet, 7-2-second lower profile detection pallet, 7-3-third lower profile detection pallet, 7-4-fourth lower profile detection pallet, 7-5-fifth lower profile detection pallet, 7-6-sixth lower profile detection pallet, 8-connecting angle steel component, 8-1-first upper profile detection pallet, 8-2-second upper profile detection pallet, 8-3-third upper profile detection pallet, 8-4-fourth upper profile detection pallet, 8-5-fifth upper profile detection pallet, 8-6-sixth upper profile detection clamping plate, 9-1-seventh upper profile detection clamping plate, 9-2-eighth upper profile detection clamping plate, 9-3-ninth upper profile detection clamping plate, 9-4-tenth upper profile detection clamping plate, 9-5-eleventh upper profile detection clamping plate, 9-6-twelfth upper profile detection clamping plate, 10-fixed support, 11-fourth bushing, 12-hinged pin bolt, 13-fixed nut, 14-locating pin bolt, 15-lower profile detection surface, 16-upper profile detection surface, 17-auxiliary lifting hole, 18-notch detection surface, 19-product sideline detection surface, 20-first connection bottom hole, 21-reference hole and 22-star nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.