CN211086183U

CN211086183U - Magnetic particle flaw detector capable of stably clamping

Info

Publication number: CN211086183U
Application number: CN201922057857.8U
Authority: CN
Inventors: 尉向祖
Original assignee: Weihai Hongyang Testing Engineering Co ltd
Current assignee: Weihai Hongyang Testing Engineering Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-07-24
Anticipated expiration: 2029-11-23

Abstract

The utility model discloses a magnetic particle flaw detector with stable clamping, which belongs to the technical field of detection equipment and comprises a base, wherein both ends of the top surface of the base are fixedly connected with vertically arranged support rods, the position between two support rods corresponding to the top surface of the base is fixedly connected with a slide rail arranged along the length direction of the base, the slide rail is connected with an O-shaped probe in a sliding way, opposite positions at the top of the support rods are rotatably connected with a support beam arranged along the length direction of the base, support grooves arranged along the length direction of the support beam are arranged on the end surfaces of the support beams close to each other, and the support columns are all connected in the support grooves in a sliding way; the one end sliding connection that the bracing piece was kept away from to the support column lateral wall has a plurality of grip blocks, and the grip block all sets up along the length direction of support column, and the grip block homoenergetic slides to the direction of being close to the support column axis, the utility model discloses have and stabilize the centre gripping with long banding work piece to improve the effect of dusting and the stability of work piece in the testing process.

Description

Magnetic particle flaw detector capable of stably clamping

Technical Field

The utility model belongs to the technical field of the technique of check out test set and specifically relates to a magnetic particle flaw detector of stable centre gripping is related to.

Background

The magnetic powder flaw detector is suitable for detecting cracks and fine defects caused by casting, quenching, processing, fatigue and the like on the surface and near surface of various small and medium-sized parts such as crankshafts, camshafts, spline shafts and the like by a wet magnetic powder method, is a preferred model for single-piece detection, small-batch sampling detection and large-batch detection, and generally uses an O-shaped probe and a base or is matched with the O-shaped probe to enable a long-strip-shaped workpiece to pass through the O-shaped probe for detection when the flaw detection of the long-strip-shaped workpiece is carried out.

In the prior art, reference can be made to a Chinese utility model patent with an authorization publication number of CN208860800U, which discloses a magnetic particle flaw detector, belonging to the technical field of power decentralized control system equipment; the technical scheme is characterized by comprising a circular ring surrounding the detection contact and a plurality of spray heads arranged on the circular ring; the circular ring is hollow, a guide pipe is fixedly connected to the circular ring, and one end, far away from the circular ring, of the guide pipe is fixedly connected with an air pressure watering can; the catheter is provided with a pressing valve which can control the circulation of the magnetic suspension; the magnetic particle flaw detector body is provided with a transverse plate which can simultaneously apply force to the press switch and the press valve.

The above prior art solutions have the following drawbacks: at present, in the process of spraying powder on a long-strip-shaped workpiece, the workpiece is extruded by the circular gaskets at the two ends of the base to provide supporting force for the workpiece, so that when the workpiece is heavy or thin, the supporting mode is likely to fail, the overweight workpiece is dissolved and falls off, the thin workpiece is easy to bend, and the lack of the magnetic powder flaw detector capable of stably clamping and attacking the workpiece is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magnetic particle flaw detector of stable centre gripping can stabilize the centre gripping with long banding work piece to improve the stability of dusting and work piece in the testing process.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a magnetic particle flaw detector with stable clamping comprises a base, wherein two ends of the top surface of the base are fixedly connected with vertically arranged supporting rods, a sliding rail arranged along the length direction of the base is fixedly connected at a position, corresponding to the position between the two supporting rods, of the top surface of the base, an O-shaped probe is slidably connected onto the sliding rail, supporting beams arranged along the length direction of the base are rotatably connected at opposite positions of the tops of the supporting rods, supporting grooves arranged along the length direction of the supporting beams are formed in the end surfaces, close to each other, of the supporting beams, and supporting columns are slidably connected in the supporting grooves; the one end sliding connection that the bracing piece was kept away from to the support column lateral wall has a plurality of grip blocks, and the length direction setting of support column is all followed to the grip block, and all grip blocks encircle the lateral wall array setting of support column, and the grip block homoenergetic slides to the direction that is close to the support column axis.

By adopting the above scheme, during the use, the rectangular shape work piece both ends that will detect support respectively on the support column to the grip block that slides detains its both ends, alright with the stable centre gripping of work piece between two bracing pieces, thereby conveniently carry out the rotation of work piece and the operation of dusting.

The utility model discloses further set up to: the support column is close to the one end butt of bracing piece and has been had a main spring, and the one end fixed connection that the main spring kept away from the support column is in a supporting beam position department of being close to the supporting groove, and the main spring exerts for the support column to keeping away from the gliding power of direction of bracing piece.

Through adopting above-mentioned scheme, the setting of main spring can let two support columns all slide to the direction that is close to each other, and at this moment, when middle centre gripping has the work piece, two support columns can exert pressurized power for the work piece all the time to the guarantee work piece centre gripping is stable.

The utility model discloses further set up to: a supporting beam is close to the position department that supports groove top and has seted up the spacing groove of vertical setting, and sliding connection has the stopper of vertical setting in the spacing groove, and the position department that the support column lateral wall corresponds the stopper has seted up a plurality of spacing holes, and all spacing holes set up along the length direction array of support column, and the stopper can be pegged graft in arbitrary spacing hole, and the spacing handle of the vertical setting of one end fixedly connected with of support column is kept away from to the stopper, and spacing handle stretches out a supporting beam setting.

Through adopting above-mentioned scheme, when carrying out the centre gripping of thin work piece, can open rotatory work piece and spray powder after the operation, adjust the support column suitable position to use the stopper to block, the support column no longer provides extruded power for the work piece this moment, only blocks the work piece through the grip block, alright avoid the work piece by the extrusion crooked or the probability that the condition of extrusion unable stable fixed work piece takes place.

The utility model discloses further set up to: the limiting handle is arranged on the support beam, the limiting spring is fixedly connected to one end, close to the limiting handle, of the limiting block, one end, far away from the limiting block, of the limiting spring is fixedly connected to the position, close to the limiting groove, of the support.

Through adopting above-mentioned scheme, the setting of spacing spring can conveniently carry out the control of stopper, and when the slip support column was located suitable position, the stopper can be under the control of spacing spring during the automatic spacing hole that pops into corresponds, reduces operating personnel's operating procedure.

The utility model discloses further set up to: the position department that the support column is close to the grip block sets up the centre gripping groove that sets up along the length direction of grip block, and the grip block is kept away from the one end fixedly connected with centre gripping spring of grip block, and centre gripping spring keeps away from the one end fixed connection of grip block and locates in the position department that the support column is close to the centre gripping groove, and centre gripping spring exerts the gliding power of direction to being close to the support column axis for the grip block.

Through adopting above-mentioned scheme, the setting of centre gripping spring can let the grip block remain throughout to the gliding trend of direction of the axis that is close to the support column to the in-process of carrying out centre gripping work piece can ensure that the work piece is stabilized the centre gripping all the time.

The utility model discloses further set up to: all clamping blocks are fixedly connected with elastic rubber layers on the surfaces close to each other.

Through adopting above-mentioned scheme, the elastic deformation that can pass through rubber on the one hand set up of rubber layer ensures the stability of work piece centre gripping, and on the other hand also can reduce the probability that the inaccurate condition of detection that the contact that centre gripping piece and built altogether leads to takes place.

The utility model discloses further set up to: the base corresponds the position department fixedly connected with discharging pipe of support column top, and the discharging pipe is close to a plurality of nozzles of one end one side fixedly connected with of support column, and all nozzles set up along the length direction array of discharging pipe, and discharging pipe one end is sealed, and discharging pipe other end fixedly connected with has the connecting pipe, fixedly connected with aspiration pump on the connecting pipe.

By adopting the scheme, when powder spraying operation is required to be carried out on the workpiece, the air suction pump is started, the connecting pipe is inserted into the powder pile, and then powder can be uniformly sprayed on the workpiece through the nozzle.

The utility model discloses further set up to: the base corresponds the position department of slide rail below and has seted up and accomodate the groove, and the base is close to the position department of accomodating the groove top and rotates to be connected with and accomodates the end cover, connecting pipe and accomodate the groove intercommunication.

Through adopting above-mentioned scheme, when carrying out the material loading, can be convenient place the powder in accomodating the groove to cover and accomodate the end cover, at this moment, can use the connecting pipe to extract the powder from accomodating the groove, simultaneously, the powder that falls on the base after dusting also can be convenient sweep into and accomodate the groove and carry out cyclic utilization.

To sum up, the utility model discloses following beneficial effect has:

1. the device has the effects of stably clamping the strip-shaped workpiece so as to improve the stability of the workpiece in the processes of powder spraying and detection;

2. through the cooperation of a plurality of springs, realize carrying out stable centre gripping to the work piece of different length.

Drawings

FIG. 1 is an overall schematic view of the present embodiment;

FIG. 2 is a partial sectional view of a protrusion receiving groove structure in the embodiment;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a base; 11. a slide rail; 111. an O-shaped probe; 12. a support bar; 120. a support beam; 121. a support pillar; 122. a support groove; 123. a main spring; 124. a clamping block; 125. a clamping groove; 126. a clamping spring; 127. a rubber layer; 13. a receiving groove; 131. a receiving end cap; 133. a connecting pipe; 134. a discharge pipe; 135. a nozzle; 136. an air pump; 14. a limiting block; 141. a limiting groove; 142. a limiting hole; 143. a limiting spring; 144. a limiting handle.

Detailed Description

Example (b): the utility model provides a magnetic particle flaw detector of stable centre gripping, as shown in fig. 1 and fig. 2, includes base 1, the equal fixedly connected with vertical bracing piece 12 that sets up in base 1 top surface both ends, and the slide rail 11 that the position department fixedly connected with set up along base 1's length direction of base 1 top surface between two bracing pieces 12 corresponds, and sliding connection has O type probe 111 on slide rail 11. When the magnetic powder spraying device is used, a workpiece to be detected is fixed by the two supporting rods 12, magnetic powder is sprayed on the workpiece, and the O-shaped probe 111 can slide to perform detection.

As shown in fig. 1 and 2, the top of the support rod 12 is rotatably connected to a support beam 120 disposed along the length direction of the base 1, the end surfaces of the support beam 120 close to each other are provided with support grooves 122 disposed along the length direction of the support beam 120, and the support grooves 122 are slidably connected to support columns 121. One end of the supporting beam 121 close to the supporting rod 12 abuts against a main spring 123, one end of the main spring 123 far from the supporting beam 121 is fixedly connected to the supporting beam 120 close to the supporting groove 122, and the main spring 123 applies a force to the supporting beam 121 to slide in a direction far from the supporting rod 12. When the workpiece is fixed, the workpiece is placed between the two support columns 121, and the main spring 123 drives the support columns 121 to slide oppositely at the moment, so that the workpiece is clamped, and for the workpieces which are not particularly heavy and are not particularly thin, the workpieces can be stably fixed by the extrusion of the two support columns 121.

As shown in fig. 2 and 3, one end of the side wall of the supporting column 121, which is away from the supporting rod 12, is slidably connected with a plurality of clamping blocks 124, the clamping blocks 124 are all arranged along the length direction of the supporting column 121, and all the clamping blocks 124 are arranged in an array around the side wall of the supporting column 121. The position department that support column 121 is close to grip block 124 offers the centre gripping groove 125 that sets up along the length direction of grip block 124, and the one end fixedly connected with centre gripping spring 126 of grip block 124 is kept away from to grip block 124, and the one end fixed connection that centre gripping spring 126 kept away from grip block 124 is in the position department that support column 121 is close to centre gripping groove 125, and centre gripping spring 126 exerts the gliding power of direction to being close to the axis of support column 121 for grip block 124. When a relatively heavy workpiece needs to be fixed, after the workpiece is abutted to the supporting columns 121, the clamping block 124 is driven by the clamping spring 126 to slide towards the central axis direction of the supporting columns 121, so that the workpiece is clamped, and the workpiece is prevented from falling off from the supporting columns 121 due to gravity.

As shown in fig. 2 and 3, an elastic rubber layer 127 is fixedly connected to the surfaces of all the clamping blocks 124 close to each other. The rubber layer 127 can ensure the stability of workpiece clamping through the elastic deformation of rubber, and can reduce the probability of inaccurate detection caused by the contact between the clamping block 124 and a co-established device.

As shown in fig. 2 and 3, a position department that a supporting beam 120 is close to the supporting groove 122 top has seted up the spacing groove 141 of vertical setting, sliding connection has the stopper 14 of vertical setting in the spacing groove 141, a plurality of spacing holes 142 have been seted up to the position department that the lateral wall of support column 121 corresponds stopper 14, all spacing holes 142 set up along the length direction array of support column 121, stopper 14 can be pegged graft in arbitrary spacing hole 142, the spacing handle 144 of the vertical setting of one end fixedly connected with of support column 121 is kept away from to stopper 14, spacing handle 144 stretches out a supporting beam 120 setting. The end of the limiting block 14 close to the limiting handle 144 is fixedly connected with a limiting spring 143, the end of the limiting spring 143 far away from the limiting block 14 is fixedly connected to the position of the supporting beam 120 close to the limiting groove 141, and the limiting spring 143 applies a force sliding towards the direction close to the supporting beam 121 to the limiting block 14. When a thin workpiece needs to be clamped, the workpiece is deformed due to the extrusion force of the supporting column 121, at the moment, the supporting column 121 can be slid to a proper position, and the limiting block 14 is inserted into the limiting hole 142, so that the supporting column 121 is prevented from extruding the workpiece, the workpiece is clamped only by the clamping block 124, and the workpiece clamping stability is guaranteed.

As shown in fig. 2 and fig. 3, the base 1 is fixedly connected with a discharge pipe 134 at a position above the supporting column 121, the discharge pipe 134 is fixedly connected with a plurality of nozzles 135 at one side of one end close to the supporting column 121, all the nozzles 135 are arranged in an array along the length direction of the discharge pipe 134, one end of the discharge pipe 134 is closed, the other end of the discharge pipe 134 is fixedly connected with a connecting pipe 133, and the connecting pipe 133 is fixedly connected with an air suction pump 136. The base 1 has been seted up in the position department that corresponds the slide rail 11 below and has been accomodate groove 13, and base 1 is close to the position department of accomodating the groove 13 top and rotates and be connected with and accomodate end cover 131 (refer to fig. 1), connecting pipe 133 and accomodate the groove 13 intercommunication. When in use, the magnetic powder is added into the containing groove 13, and the suction pump 136 is started through the communication between the connecting pipe 133 and the containing groove 13, so that the powder can be sprayed on the workpiece through the discharge pipe 134 and the nozzle 135.

During the use, add the magnetic earlier and receive in holding groove 13 to cover and accomodate end cover 131, simultaneously, put the work piece between two support columns 121, and use the support block to press from both sides the work piece tightly, can start aspiration pump 136 this moment, and rotate support column 121, rotate the work piece, spray the magnetic to the work piece simultaneously, after spraying, can use stopper 14 to peg graft in spacing hole 142, fix the position of support column 121, and slide O type probe 111 and detect the work piece.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a magnetic particle flaw detector of stable centre gripping, includes base (1), bracing piece (12) of the vertical setting of the equal fixedly connected with in base (1) top surface both ends, slide rail (11) that the length direction of base (1) set up are followed to the fixedly connected with of position department between base (1) top surface correspondence two bracing pieces (12), and sliding connection has O type probe (111), its characterized in that on slide rail (11): supporting beams (120) arranged along the length direction of the base (1) are rotatably connected to opposite positions of the tops of the supporting rods (12), supporting grooves (122) arranged along the length direction of the supporting beams (120) are formed in the end faces, close to each other, of the supporting beams (120), and supporting columns (121) are slidably connected in the supporting grooves (122);

one end sliding connection that bracing piece (12) was kept away from to support column (121) lateral wall has a plurality of grip blocks (124), and the length direction setting of support column (121) is all followed in grip block (124), and all grip blocks (124) encircle the lateral wall array setting of support column (121), and grip block (124) homoenergetic slides to the direction that is close to support column (121) axis.

2. The stably-clamped magnetic particle flaw detector of claim 1, wherein: one end of the supporting column (121) close to the supporting rod (12) is abutted with a main spring (123), one end of the main spring (123) far away from the supporting column (121) is fixedly connected to the position of the supporting beam (120) close to the supporting groove (122), and the main spring (123) applies force to the supporting column (121) to slide in the direction far away from the supporting rod (12).

3. The stably-clamped magnetic particle flaw detector of claim 2, wherein: a supporting beam (120) is close to the position department at support groove (122) top and has seted up spacing groove (141) of vertical setting, sliding connection has stopper (14) of vertical setting in spacing groove (141), a plurality of spacing holes (142) have been seted up to the position department that support column (121) lateral wall corresponds stopper (14), the length direction array setting of support column (121) is followed in all spacing holes (142), stopper (14) can be pegged graft in arbitrary spacing hole (142), spacing handle (144) of the vertical setting of one end fixedly connected with of support column (121) are kept away from in stopper (14), spacing handle (144) stretch out supporting beam (120) and set up.

4. The stably-clamped magnetic particle flaw detector of claim 3, wherein: one end of the limiting block (14) close to the limiting handle (144) is fixedly connected with a limiting spring (143), one end of the limiting spring (143) far away from the limiting block (14) is fixedly connected to the position of the supporting beam (120) close to the limiting groove (141), and the limiting spring (143) applies force to the limiting block (14) to slide in the direction close to the supporting beam (121).

5. The stably-clamped magnetic particle flaw detector of claim 1, wherein: the position department that support column (121) is close to grip block (124) sets up centre gripping groove (125) that the length direction of following grip block (124) set up, the one end fixedly connected with clamping spring (126) of grip block (124) are kept away from in grip block (124), clamping spring (126) keep away from one end fixed connection in the position department that support column (121) is close to centre gripping groove (125) of grip block (124), clamping spring (126) exert to the gliding power of direction that is close to support column (121) axis for grip block (124).

6. The stably-clamped magnetic particle flaw detector of claim 1, wherein: all the surfaces of the clamping blocks (124) close to each other are fixedly connected with elastic rubber layers (127).

7. The stably-clamped magnetic particle flaw detector of claim 1, wherein: base (1) corresponds position department fixedly connected with discharging pipe (134) above support column (121), and discharging pipe (134) are close to a plurality of nozzles (135) of one end one side fixedly connected with of support column (121), and all nozzles (135) set up along the length direction array of discharging pipe (134), and discharging pipe (134) one end is sealed, and discharging pipe (134) other end fixedly connected with has connecting pipe (133), fixedly connected with aspiration pump (136) on connecting pipe (133).

8. The stably-clamped magnetic particle flaw detector of claim 7, wherein: the base (1) is provided with a storage groove (13) corresponding to the position below the sliding rail (11), the base (1) is rotatably connected with a storage end cover (131) close to the position at the top of the storage groove (13), and the connecting pipe (133) is communicated with the storage groove (13).