CN218034986U

CN218034986U - Detection straightening assembly and device for cylindrical workpiece

Info

Publication number: CN218034986U
Application number: CN202222078642.6U
Authority: CN
Inventors: 宋亚南; 杨雷; 郝庆乐; 付龙
Original assignee: China Innovation Academy of Intelligent Equipment Co Ltd CIAIE
Current assignee: Ningbo Academy of Intelligent Machine Tool Co Ltd of China Academy of Machinery
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-13
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a detection straightening assembly and a device for a cylindrical workpiece, wherein the detection straightening device comprises a plurality of detection straightening assemblies and a plurality of driving rods for driving the detection straightening assemblies to slide; the detection alignment assembly comprises: at least one clamping hand used for clamping and driving the workpiece to rotate; the sliding block can slide along the axial direction of the workpiece, and a straightening surface which can be abutted with the side wall of the workpiece is arranged on the sliding block; and the detection block is arranged on the sliding block in a floating manner and is abutted against the side wall of the workpiece. In this application, detect and carry out in step with the alignment, avoid the alignment to lead to inefficiency and alignment to have phenomenons such as deviation with detecting desynchronously.

Description

Detection straightening assembly and device for cylindrical workpiece

Technical Field

The utility model relates to a alignment technical field of cylindric work piece especially relates to a detection alignment subassembly and device for cylindric work piece.

Background

Cylindrical workpieces, such as screw rods, transmission shafts and other parts are frequently used transmission elements, and the main function of the transmission elements is to transmit acting force. In the use process, the workpiece can be bent due to overlarge acting force, the use of the workpiece is influenced, and the straightness of the workpiece can normally work only if the straightness of the workpiece meets certain requirements. Therefore, the workpiece needs to be straightened by the straightening device.

However, the prior art workpiece alignment has the following drawbacks: firstly, the jitter value of the current position cannot be detected in real time while straightening, the jitter value is detected firstly and then straightened, so that the straightening result has deviation, and the efficiency is extremely low due to multi-step operation; secondly, when a certain position is straightened, whether the jitter value of the current position meets the requirement cannot be known, and the current position can only be re-detected after the straightening is finished; thirdly, in the straightening process of a certain position, the jumping value of the area near the position is changed, and the jumping values of all the positions cannot be guaranteed to meet the requirement; fourth, the prior straightening process is carried out at normal temperature, the deformation resistance still exists, and the straightening process is very easy to rebound.

Disclosure of Invention

Not enough to the above-mentioned to prior art, the utility model aims to solve the technical problem that a detection alignment subassembly and device for cylindric work piece is proposed for the detection of solving among the prior art cylinder work piece run-out value leads to the alignment result to have deviation and inefficiency scheduling problem with the alignment is asynchronous.

The utility model provides a technical scheme that its technical problem adopted is a detection alignment subassembly for cylindric work piece, include:

the clamping driving unit comprises at least one clamping hand used for clamping and driving the workpiece to rotate;

a detection alignment unit comprising: the sliding block can slide along the axial direction of the workpiece, and is provided with a straightening surface which can be abutted against the side wall of the workpiece; and the detection block is arranged on the sliding block in a floating manner and is abutted against the side wall of the workpiece.

Further, the detection straightening unit further includes: a heating member rotatably coupled to the slider for rotating the heating member to move toward or close to the workpiece; the first fixing block is arranged on the sliding block, a guide rail is arranged on the first fixing block, and a displacement sensor is arranged on the guide rail; the detection block slides along the guide rail and is abutted to or separated from the displacement sensor.

Furthermore, the detection block comprises a detection part, a connection part and a sensing part, two ends of the connection part are respectively connected with the detection part and the sensing part, the detection part can be abutted against the side wall of the workpiece, one side of the sensing part is fixedly connected with a floating rod, and a spring is arranged on the floating rod;

the first fixing block is provided with a second fixing block, one end of the floating rod penetrates through the second fixing block and is in slidable connection with the second fixing block, one end of the spring is abutted to the floating rod, and the other end of the spring is abutted to the second fixing block.

Furthermore, a third fixing block is further arranged on the first fixing block, an adjusting screw rod is connected to the third fixing block in a threaded mode, and the adjusting screw rod can be abutted to or separated from one side, away from the floating rod, of the detection portion.

Furthermore, the first fixed block is slidably connected with the sliding block.

Further, the straightening surface is a circular arc surface.

Further, still disclose a detection coalignment for cylindric work piece, including a plurality of a detection coalignment subassembly for cylindric work piece still includes:

and the driving assembly comprises a plurality of driving rods, and each driving rod drives one sliding block to axially slide along the workpiece.

Furthermore, the device also comprises a fixed frame, the driving rods are rotatably arranged on the fixed frame in a penetrating mode, a sliding rail is further arranged on the fixed frame, and the sliding blocks can slide along the sliding rail.

Furthermore, the clamping driving unit further comprises two first sliding blocks, the two first sliding blocks are slidably arranged on the sliding rail, each first sliding block is provided with one clamping hand, and the two clamping hands respectively clamp one end of the workpiece and drive the workpiece to rotate.

Furthermore, a second sliding block is arranged on the first sliding block, the second sliding block can slide along the radial direction of the workpiece relative to the first sliding block, and the clamping hand is arranged on the second sliding block.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

(1) The detection and the straightening are carried out synchronously, so that the phenomena of low efficiency, deviation of the straightening and the like caused by asynchronism of the straightening and the detection are avoided.

(2) Set up the heating member, in this position of alignment simultaneously, the heating member is aimed at this position and is heated, reduces resistance to deformation, improves moulding formability, avoids kick-backing after the alignment.

(3) The workpiece straightening device is characterized in that a plurality of detection straightening units are arranged, the workpiece is divided into a plurality of regions to be detected along the axial direction of the workpiece, each region to be detected is provided with one detection straightening unit, the position with the largest jumping value in each region to be detected is obtained, meanwhile, each position with the largest jumping value is straightened, and the jumping values of all the positions in each region to be detected are smaller than a preset value, so that straightening of all the positions on the workpiece can be completed, time for straightening is greatly shortened, and straightening efficiency is improved.

(4) Each sliding block can independently control the sliding of the sliding block, so that each sliding block can simultaneously slide to any position of the area to be detected to perform detection and straightening.

Drawings

FIG. 1 is a schematic structural diagram of a detection and alignment apparatus in an embodiment;

FIG. 2 is a schematic structural diagram of the detecting and straightening device in the embodiment after the fixing frame is removed;

FIG. 3 is a schematic view of an exemplary embodiment of a view angle of a detection alignment unit;

FIG. 4 is a schematic diagram illustrating another view of the detecting and aligning unit according to an embodiment;

FIG. 5 is a schematic structural diagram of the detection and alignment unit with the slider removed in the embodiment;

FIG. 6 is a schematic structural diagram of a clamping driving unit in an embodiment;

in the figure:

100. a detection straightening unit; 110. a slider; 120. a straightening surface; 130. a heating member; 140. a detection block; 141. a detection unit; 142. a connecting portion; 143. a sensing section; 150. a first fixed block; 151. a guide rail; 152. a displacement sensor; 153. a chute; 160. a second fixed block; 161. a spring; 162. a floating rod; 170. a third fixed block; 171. adjusting the screw rod;

200. a clamping drive unit; 210. a first slider; 220. a second slider; 230. clamping a hand;

300. a drive rod;

400. a fixed mount; 410. a slide rail.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Referring to fig. 1-6, the present invention discloses a detecting and aligning assembly for cylindrical workpieces, including:

a clamping driving unit 200 including at least one clamping hand 230 for clamping and driving the workpiece to rotate;

detection alignment unit 100 includes: the sliding block 110 can slide along the axial direction of the workpiece, and the sliding block 110 is provided with a straightening surface 120, and the straightening surface 120 can be abutted against the side wall of the workpiece; and a detection block 140 which is provided on the slider 110 so as to be capable of floating and abuts against a side wall of the workpiece.

Specifically, the workpiece is first clamped by the clamping hand 230 and driven to rotate; then, the sliding block 110 slides along the axial direction of the workpiece, and the detection block 140 detects the jumping values of all positions of the workpiece in the axial direction; and then through the comparison, select the first position of the biggest run-out value to make the slider 110 slide to the first position, heating member 130 heats the first position, and in the work piece rotation process, alignment face 120 supports with the first position butt of work piece, and alignment face 120 aligns the first position. In the straightening process, the workpiece rotates all the time, so that the detection block 140 can detect the first position in real time, and when the jumping value of the position meets the requirement, the jumping value of the position can be finished. And repeatedly detecting and straightening to finish straightening all the positions on the workpiece.

The straightening surface 120 and the side wall of the workpiece are collided or extruded to be straightened through the rotation of the workpiece; meanwhile, the detection block 140 abuts against the side wall of the workpiece by the rotation of the workpiece to detect the runout value by up-down floating. Therefore, as long as the workpiece keeps rotating, the synchronous detection and the straightening can be realized, and the phenomena of low efficiency, deviation of straightening and the like caused by asynchronous straightening and detection are avoided.

Further, the detection and alignment unit 100 further includes: a heating member 130 rotatably coupled to the slider 110, the heating member 130 being rotated to move toward or close to the workpiece; a first fixed block 150 disposed on the slider 110, wherein a guide rail 151 is disposed on the first fixed block 150, and a displacement sensor 152 is disposed on the guide rail 151; the detection block 140 slides along the guide rail 151 and abuts against or separates from the displacement sensor 152.

In order to avoid the resilience after the alignment, this application sets up heating member 130, and in this position of alignment simultaneously, heating member 130 aligns this position and heats, reduces resistance to deformation, improves moulding formability, avoids resilience after the alignment.

Furthermore, the detection block 140 includes a detection portion 141, a connection portion 142 and a sensing portion 143, two ends of the connection portion 142 are respectively connected to the detection portion 141 and the sensing portion 143, the detection portion 141 can be abutted against the side wall of the workpiece, one side of the sensing portion 143 is fixedly connected with a floating rod 162, and a spring 161 is arranged on the floating rod 162;

the first fixing block 150 is provided with a second fixing block 160, one end of the floating rod 162 penetrates through the second fixing block 160 and is slidably connected with the second fixing block 160, one end of the spring 161 is abutted to the floating rod 162, and the other end of the spring 161 is abutted to the second fixing block 160.

Specifically, the detection block 140 is disposed in a "]" shape, and includes a detection portion 141, a connection portion 142, and a sensing portion 143, both ends of the connection portion 142 are respectively connected to the detection portion 141 and the sensing portion 143, the detection portion 141 abuts against a side wall of the workpiece, the detection portion 141 drives the sensing portion 143 to float up and down along with the rotation of the workpiece, and the displacement sensor 152 detects the amplitude of the vertical floating of the sensing portion 143 to obtain a runout value of a corresponding position of the workpiece.

The floating rod 162 is arranged on the sensing part 143, the spring 161 is arranged on the floating rod 162, the elastic force of the spring 161 enables the detection block 140 to have the tendency of moving upwards, and further enables the detection block 140 to float upwards and downwards in the rotating process of the workpiece, so that the detection part 141 is kept in contact with the side wall of the workpiece to measure the jumping value.

Further, a third fixing block 170 is further disposed on the first fixing block 150, an adjusting screw 171 is connected to the third fixing block 170 in a threaded manner, and the adjusting screw 171 can abut against or be separated from one side of the detection portion 141, which is far away from the floating rod 162.

The adjusting screw 171 is arranged to abut against the sensing part 143, so that the detecting block 140 can be prevented from moving excessively under the elastic force of the spring 161 and being separated from the guide rail 151, and a limiting effect can be achieved.

Further, the first fixing block 150 is slidably connected to the slider 110.

Specifically, the first fixing block 150 is provided with a sliding groove 153, and a bolt is inserted into any position of the sliding groove 153 and connected to the slider 110, so that the height of the first fixing block 150 is adjusted, and the initial height of the detecting portion 141 is adjusted to adapt to workpieces with different diameters.

Further, the straightening surface 120 is a circular arc surface.

The straightening surface 120 is a 1/4 arc surface, so that the contact area between the straightening surface and the workpiece can be increased, the straightening efficiency is improved, and meanwhile, the workpieces with different diameters can be straightened.

Further, still disclose a detection coalignment for cylindric work piece, including a plurality of a detection coalignment for cylindric work piece, still include:

a driving assembly, wherein the driving assembly comprises a plurality of driving rods 300, and each driving rod 300 drives one sliding block 110 to axially slide along the workpiece.

Specifically speaking, this application sets up a plurality of actuating levers 300, divide into a plurality of regions of waiting to examine with the work piece along its axial, every is waited to examine the region and sets up a detection alignment unit 100, acquires every and waits the position that the value of beating is the biggest in the region, and straightens every position that the value of beating is the biggest simultaneously, all positions in every is waited to examine the region all are less than the default until every, can accomplish the alignment of all positions on the work piece, shortened the required time of alignment greatly, improve alignment efficiency.

Each sliding block 110 can independently control the sliding thereof, so that each sliding block 110 can simultaneously slide to any position of the area to be detected for detection and alignment.

Further, the device further comprises a fixing frame 400, wherein the plurality of driving rods 300 are rotatably arranged in the fixing frame 400 in a penetrating manner, a sliding rail 410 is further arranged on the fixing frame 400, and the plurality of sliding blocks 110 can slide along the sliding rail 410.

The clamping driving unit 200 further includes two first sliding blocks 210, the two first sliding blocks 210 are slidably disposed on the sliding rail 410, each of the first sliding blocks 210 is provided with one clamping hand 230, and the two clamping hands 230 respectively clamp one end of the workpiece and drive the workpiece to rotate.

The first sliding block 210 is provided with a second sliding block 220, the second sliding block 220 can slide relative to the first sliding block 210 along the radial direction of the workpiece, and the clamping hand 230 is arranged on the second sliding block 220.

Specifically, the clamping hand 230 is installed on the second sliding block 220, the second sliding block 220 is slidably disposed on the first sliding block 210, and the first sliding block 210 can slide along the sliding rail 410, so that the first sliding block 210 can drive the clamping hand 230 to move along the axial direction of the workpiece, and the second sliding block 220 can drive the clamping hand 230 to move along the radial direction of the workpiece, so that the clamping hand 230 can be arbitrarily adjusted in a plane to adapt to workpieces with different diameters.

Further, the clamping hands slide radially during the straightening process, and there are two cases:

firstly, when straightening a certain position, the workpiece can be driven to move radially by the clamping hand. Firstly, the clamping hand drives the workpiece to move for a part of distance to be aligned, the alignment surface is gradually separated from the workpiece along with the alignment, at the moment, the clamping hand continues to drive the workpiece to move for a part of distance to ensure that the workpiece is abutted against the alignment surface again to be aligned, and the clamping hand drives the workpiece to move for multiple times until the jumping value of the position is within a preset range. The clamping hand moves for multiple times, so that the workpiece is prevented from being damaged due to overlarge acting force of the side wall of the workpiece and the straightening surface.

Secondly, when a certain position is straightened, the clamping hand can apply acting force to the workpiece, so that the workpiece is always kept to be abutted against the straightening surface. Along with the workpiece is gradually straightened, the clamping hand continuously drives the workpiece to move towards the direction of the straightening surface, so that the same acting force is always kept between the workpiece and the straightening surface, and the straightening efficiency and effect are improved.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims

1. A sensing alignment assembly for cylindrical workpieces, comprising:

2. The inspection alignment assembly of claim 1 wherein the inspection alignment unit further comprises: a heating element rotatably coupled to the slide block for rotating the heating element toward or near the workpiece; the first fixing block is arranged on the sliding block, a guide rail is arranged on the first fixing block, and a displacement sensor is arranged on the guide rail; the detection block slides along the guide rail and is abutted to or separated from the displacement sensor.

3. The detecting and straightening assembly for the cylindrical workpiece according to claim 2, wherein the detecting block comprises a detecting part, a connecting part and a sensing part, two ends of the connecting part are respectively connected with the detecting part and the sensing part, the detecting part can be abutted against the side wall of the workpiece, one side of the sensing part is fixedly connected with a floating rod, and a spring is arranged on the floating rod;

4. The detecting and straightening assembly for the cylindrical workpiece according to claim 3, wherein a third fixed block is further arranged on the first fixed block, an adjusting screw is connected to the third fixed block in a threaded manner, and the adjusting screw can be abutted to or separated from one side of the detecting part, which is far away from the floating rod.

5. The assembly of claim 3, wherein the first fixed block is slidably coupled to the slide block.

6. The inspection alignment assembly of claim 1 wherein the alignment surface is a circular arc.

7. A test alignment apparatus for cylindrical workpieces, comprising a plurality of test alignment assemblies according to any one of claims 1 to 6, and further comprising:

8. The device for detecting and straightening cylindrical workpieces according to claim 7, further comprising a fixing frame, wherein the plurality of driving rods are rotatably arranged in the fixing frame in a penetrating manner, the fixing frame is further provided with a sliding rail, and the plurality of sliding blocks can slide along the sliding rail.

9. The device as claimed in claim 8, wherein the clamping driving unit further comprises two first sliding blocks, the two first sliding blocks are slidably disposed on the sliding rail, and each first sliding block is provided with one clamping hand, and the two clamping hands respectively clamp one end of the workpiece and drive the workpiece to rotate.

10. The device as claimed in claim 9, wherein the first sliding block is provided with a second sliding block, the second sliding block can slide relative to the first sliding block along the radial direction of the workpiece, and the clamping hand is provided on the second sliding block.