CN218310850U

CN218310850U - Pinch roller positioning mechanism based on photoelectric detection

Info

Publication number: CN218310850U
Application number: CN202222815079.6U
Authority: CN
Inventors: 余晟武
Original assignee: Changzhou Savy Machine Co ltd
Current assignee: Changzhou Shengwei Electromechanical Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-17
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a pinch roller positioning mechanism based on photoelectric detection belongs to pinch roller location detection technical field. The utility model is used for solve the partial deformation skew scheduling problem of plug part, operating personnel is difficult to detect the defect region in the very first time, leads to the follow-up shaping product yields to reduce; the structure is comparatively fixed when current check out test set detects the plug part, and it is easy to take place the friction with the plug part region that has the defect and lead to detecting the pinch roller and can't keep vertical state, takes place the technical problem that the follow-up detection is influenced to beat. The utility model discloses a sideslip device, sideslip device side fixed mounting have servo motor. The utility model discloses photoelectric sensor detects the vertical state of pinch roller subassembly when the operation, avoids pinch roller subassembly beat; the driving motor drives the rotating shaft to adjust and correct the transmission frame and the pinch roller assembly; when the pinch roller assembly is contacted with the core rod, the pressure sensors detect the contact pressure between the multiple groups of pinch rollers and the core rod at any time.

Description

Pinch roller positioning mechanism based on photoelectric detection

Technical Field

The utility model relates to a pinch roller location detection technical field especially relates to a pinch roller positioning mechanism based on photoelectric detection.

Background

Core rods are used in the pressing direction for the parts of dies for forming contoured surfaces in green or sintered bodies, mainly the inner dies of seamless steel pipes. Along with the improvement of the requirements on the seamless tube production products of the tube ejection unit, the requirements on the heavy spot deformation tool and die core rods are more and more strict;

the core rod part has the problems of partial deformation and deflection of the core rod part and the like during long-time machining, forming and using, the core rod parts are different in length according to different formed products, and operators are difficult to detect defect areas in the first time, so that the yield of subsequent formed products is reduced; when the existing detection equipment detects the core rod part, the structure is relatively fixed, and the core rod part is easy to rub with the area of the core rod part with defects, so that the detection pinch roller cannot keep a vertical state, and the subsequent detection is influenced by the deflection;

in view of the above technical drawbacks, a solution is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pinch roller positioning mechanism based on photoelectric detection, which solves the problems that the part of a core rod part deforms and deflects during the long-time processing and forming use period of the core rod part, leads to different lengths of the core rod part according to different formed products, and leads to the difficulty of detecting defect areas in the first time by an operator, thus leading to the reduction of the yield of the subsequent formed products; the structure is comparatively fixed when current check out test set detects the plug part, and easy and regional friction takes place for the plug part that has the defect, leads to detecting the pinch roller and can't keep vertical state, takes place the problem that the beat influences follow-up detection.

The purpose of the utility model can be realized by the following technical proposal: a pinch roller positioning mechanism based on photoelectric detection comprises a transverse moving device, wherein a servo motor is fixedly mounted on the side edge of the transverse moving device, the output end of the servo motor is in transmission connection with a lead screw, a sliding sleeve is sleeved on the middle part of the lead screw in a threaded manner, a connecting frame is fixedly mounted at the top of the sliding sleeve, one end of the connecting frame is fixedly connected with an adjusting assembly, the adjusting assembly comprises a plate frame, a sliding rod is slidably connected to one side of the plate frame, a supporting frame is fixedly mounted on the other side of the plate frame, and a pressing assembly is mounted on the supporting frame in an erected manner;

the pressing assembly comprises a fixing frame, a cylinder is erected at the top of one side of the fixing frame, a transmission frame is fixedly connected to the bottom of the other side of the fixing frame, a pressing wheel assembly is clamped at the bottom of the transmission frame and comprises a frame, and the bottom of the frame is rotatably connected with a first pressing wheel.

Preferably, the servo motor is close to and has cup jointed the fixed block on the lead screw one end casing, the fixed block side erects and installs the locating rack, be equipped with the guide arm that cup joints with the locating rack slip on the sliding sleeve outer wall.

Preferably, the sliding sleeve top is erected with grillage one side middle part fixed link, the terminal symmetry is equipped with the slip anchor clamps one with the slide bar sliding connection about grillage one side, install the slip anchor clamps two of multiunit symmetry on support frame one side support body, sideslip device and adjusting part all are two sets of symmetrical settings.

Preferably, cylinder bottom bolt is connected with the support frame, the cylinder bottom runs through the slip and has the piston rod of being connected with the mount, the rotatory fastener of being connected with the mount is established to mount bottom both sides, the mount side is equipped with the balladeur train of sliding with two slip clamps, the mount both ends symmetry is equipped with multiunit angle encoder, be equipped with the pivot of being connected with the mount top through rotation between the angle encoder, the angle encoder outside is equipped with the casing and is connected with the mount, the pivot is close to angle encoder one end top and is equipped with the driving motor who is connected with the mount, the driving motor bottom is equipped with the connecting rod, the intermeshing's tooth group has been cup jointed between connecting rod body bottom and the pivot one end.

Preferably, the outer wall of one side of the pressing assembly, which is far away from the adjusting assembly, is provided with a photoelectric sensor, and the photoelectric sensor is clamped and fixed with the outer wall of the angle encoder.

Preferably, the top of the frame is clamped with the bottom of the transmission frame, a second pressing wheel rotatably connected with the frame is arranged on one side of the pressing wheel, and a pressure sensor in contact with the first pressing wheel and a shaft lever of the second pressing wheel is arranged on the frame body.

The utility model has the advantages that:

(1) The utility model discloses a fixed block and slide bar are connected with plug processing equipment fixedly, and servo motor drive lead screw rotates, and the sliding sleeve promotes adjusting part along lead screw threaded connection, and adjusting part drives along the slide bar axial and pushes down subassembly and pinch roller assembly and carry out lateral shifting for it contacts with the plug to adjust pinch roller assembly according to plug processing needs;

(2) The pressing assembly is assisted by the cylinder for use, the transmission frame is pushed by the cylinder, the transmission frame drives the pressing wheel assembly to contact and extrude the core rod along the axial direction of the sliding frame, the photoelectric sensor detects the vertical state of the pressing wheel assembly during operation, the pressing wheel assembly is prevented from deflecting, the angle encoder starts the driving motor according to a signal of the photoelectric sensor, the driving motor adjusts and corrects the transmission frame through the connecting rod, the tooth group and the rotating shaft, and then the pressing wheel assembly is adjusted; when the pinch roller assembly is contacted with the core rod, the pressure sensors detect the contact pressure between the multiple groups of pinch rollers and the core rod at any time.

Drawings

The present invention will be further described with reference to the accompanying drawings;

FIG. 1 is a perspective view of the whole structure of the present invention;

FIG. 2 is a schematic view of the cross-sliding device and the adjusting assembly of the present invention;

FIG. 3 is a schematic structural view of the pressing device of the present invention;

FIG. 4 is a schematic view of the fixing frame of the present invention;

FIG. 5 is a schematic view of the connection structure between the rotating shaft and the driving motor according to the present invention;

figure 6 is the structural schematic diagram of the pinch roller assembly of the present invention.

Illustration of the drawings: 1. a traversing device; 101. a servo motor; 102. a fixed block; 103. a positioning frame; 104. a guide bar; 105. a connecting frame; 106. a sliding sleeve; 107. a lead screw; 2. an adjustment assembly; 201. a plate frame; 202. a first sliding clamp; 203. a slide bar; 204. a support frame; 205. a second sliding clamp; 3. a pinch roller assembly; 301. a first pressing wheel; 302. a second pressing wheel; 303. a frame; 304. a pressure sensor; 4. pressing the assembly; 401. a fixed mount; 402. a cylinder; 403. a carriage; 404. a piston rod; 405. a transmission frame; 406. a photosensor; 407. an angle encoder; 408. a rotating shaft; 409. rotating the fastener; 410. a set of teeth; 411. a connecting rod; 412. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

the embodiment is used for solving the problems that the core rod part has partial deformation and deflection and the like during the long-time machining and forming use, and the length of the core rod part is different according to different formed products, so that an operator is difficult to detect and find a defect area at the first time, and the yield of the subsequent formed products is reduced.

Referring to fig. 1-2, the present embodiment is a pinch roller positioning mechanism based on photoelectric detection, including a traverse device 1, a servo motor 101 is fixedly installed at a side of the traverse device 1, the servo motor 101 drives a lead screw 107 to rotate, and a sliding sleeve 106 is connected to push an adjusting component 2 along the lead screw 107 by a thread; the output end of the servo motor 101 is in transmission connection with a lead screw 107, the middle part of the lead screw 107 is in threaded sleeve connection with a sliding sleeve 106, the top of the sliding sleeve 106 is fixedly provided with a connecting frame 105, one end of the connecting frame 105 is fixedly connected with an adjusting component 2, and the adjusting component 2 drives a pressing component 4 and a pinch roller component 3 to move transversely along the axial direction of a sliding rod 203; adjusting part 2 includes grillage 201, and grillage 201 one side sliding connection has slide bar 203, and grillage 201 opposite side fixed mounting has support frame 204, and support frame 204 is put on the shelf and is installed pushing down subassembly 4.

A fixing block 102 is sleeved on the casing at one end of the servo motor 101 close to the screw 107, a positioning frame 103 is mounted on the side of the fixing block 102, and a guide rod 104 which is slidably sleeved with the positioning frame 103 is arranged on the outer wall of the sliding sleeve 106.

The top of the sliding sleeve 106 is provided with a connecting frame 105 fixed with the middle part of one side of the plate frame 201, the upper end and the lower end of one side of the plate frame 201 are symmetrically provided with a first sliding clamp 202 in sliding connection with a sliding rod 203, the frame body on one side of the supporting frame 204 is provided with a plurality of groups of symmetrical second sliding clamps 205, and the traversing device 1 and the adjusting component 2 are symmetrically arranged in two groups.

The servo motor 101 drives the screw 107 to rotate, the sliding sleeve 106 pushes the adjusting assembly 2 along the screw 107 in a threaded connection manner, and the adjusting assembly 2 drives the pressing assembly 4 and the pinch roller assembly 3 to move transversely along the axial direction of the sliding rod 203, so that the pinch roller assembly 3 is adjusted to be in contact with the core rod according to the requirement of core rod processing.

Example two:

the embodiment is used for solving the problems that the structure is fixed when the existing detection equipment detects the core rod part, the friction is easily caused in the area of the core rod part with the defect, the detection pinch roller cannot keep a vertical state, and the deflection affects the follow-up detection.

Referring to fig. 1, 3, 4, 5, and 6, in the pinch roller positioning mechanism based on photoelectric detection of the present embodiment, the pressing assembly 4 includes a fixing frame 401, a cylinder 402 is installed at the top of one side of the fixing frame 401, a transmission frame 405 is fixedly connected to the bottom of the other side of the fixing frame 401, and the transmission frame 405 drives the pinch roller assembly 3 to contact and extrude the core rod along the axial direction of the sliding frame 403; the bottom of the transmission frame 405 is clamped with a pressure wheel assembly 3, the pressure wheel assembly 3 comprises a frame 303, and the bottom of the frame 303 is rotatably connected with a first pressure wheel 301.

The bolt at the bottom of the air cylinder 402 is connected with the support frame 204, the bottom of the air cylinder 402 is connected with a piston rod 404 connected with the fixed frame 401 in a sliding mode in a penetrating mode, rotary fasteners 409 connected with the transmission frame 405 are arranged on two sides of the bottom of the fixed frame 401, a sliding frame 403 connected with the sliding clamp II 205 in a sliding mode is arranged on the side edge of the transmission frame 405, a plurality of groups of angle encoders 407 are symmetrically arranged at two ends of the transmission frame 405, a rotating shaft 408 connected with the top of the transmission frame 405 in a penetrating mode is arranged between the angle encoders 407, a shell is arranged on the outer side of each angle encoder 407 and connected with the fixed frame 401, a driving motor 412 connected with the fixed frame 401 is arranged on the top of the rotating shaft 408 close to one end of the angle encoders 407, a connecting rod 411 is arranged at the bottom of the driving motor 412, and a tooth group 410 meshed with one end of the connecting rod 411 in a sleeving mode.

Push down subassembly 4 and keep away from adjusting part 2 one side outer wall and install photoelectric sensor 406, photoelectric sensor 406 is fixed with angle encoder 407 outer wall joint, and photoelectric sensor 406 detects pinch roller assembly 3 vertical state when the operation, avoids pinch roller assembly 3 beat.

The top of the frame 303 is clamped with the bottom of the transmission frame 405, a second pressing wheel 302 rotatably connected with the frame 303 is arranged on the side edge of the first pressing wheel 301, and a pressure sensor 304 in contact with the shaft rods of the first pressing wheel 301 and the second pressing wheel 302 is arranged on the frame body of the frame 303.

The photoelectric sensor 406 detects the vertical state of the pinch roller assembly 3 during operation, so that the pinch roller assembly 3 is prevented from deflecting; the angle encoder 407 starts the driving motor 412 according to the signal of the photoelectric sensor 406, and the driving motor 412 drives the rotating shaft 408 to adjust the correcting transmission frame 405 and the pinch roller assembly 3; when the pinch roller assembly 3 is in contact with the core rod, the pressure sensors 304 detect the contact pressure between multiple groups of pinch rollers and the core rod at any moment.

As shown in fig. 1-6, the working process and principle of the present invention are as follows:

firstly, a fixed block 102 and a slide rod 203 are connected and fixed with a frame body around a core rod component, a servo motor 101 drives a lead screw 107 to rotate, a sliding sleeve 106 slides along the lead screw 107 in a threaded connection mode, a guide 104 slides along a positioning frame 103 when moving along with the sliding sleeve 106 and is used for primarily keeping the sliding sleeve 106 and the fixed frame 102 to move stably, a connecting frame 105 connects the sliding sleeve 106 and a plate frame 201 to enable an adjusting component 2 to move along with the sliding sleeve 106, when the sliding sleeve 106 pushes the plate frame 201 to move, a sliding clamp I202 slides along the slide rod 203 along with the plate frame 201 to enable the adjusting component 2 and a traversing device 1 to move leftwards and rightwards synchronously, and the adjusting component 2 drives a pressing component 4 and a pressing wheel component 3 to move synchronously through a supporting frame 204 and is used for performing real-time sliding detection along the core rod component;

step two, when the air cylinder 402 is used, the piston rod 404 pushes the fixed frame 401 axially along the air cylinder 401, the fixed frame 401 drives the transmission frame 405 to move axially along the sliding frame 403, the sliding frame 403 is in sliding connection with the sliding clamp II 205, the transmission frame 405 drives the frame 303 to move synchronously, so that the first pressing wheel 301 and the second pressing wheel 302 are in contact with the surface of the core rod part and roll, when the pressing wheel assembly 3 is in contact with the core rod part, the photoelectric sensor 406 operates and detects the vertical state of the pressing wheel assembly 3, deflection when the pressing wheel assembly is in contact with the core rod part is avoided, the driving motor 412 is started through an angle encoder 407 (model: GI 331.1704113) according to a signal of the photoelectric sensor 406 (model: OPT3001 DNPR), and the driving motor 412 adjusts the transmission frame 405 through the connecting rod 411, the tooth group 410 and the rotating shaft 408, so as to adjust the pressing wheel assembly 3; when the pinch roller assembly 3 is in contact with the mandrel, the pressure sensors 304 (models: mids 50) detect the contact pressure between the multiple sets of pinch rollers and the mandrel at any moment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pinch roller positioning mechanism based on photoelectric detection, includes sideslip device (1), its characterized in that, sideslip device (1) side fixed mounting has servo motor (101), servo motor (101) output end transmission is connected with lead screw (107), sliding sleeve (106) have been cup jointed to lead screw (107) middle part screw thread, sliding sleeve (106) top fixed mounting has link (105), link (105) one end fixed connection has adjusting part (2), adjusting part (2) include grillage (201), sliding rod (203) is connected with in grillage (201) one side sliding connection, grillage (201) opposite side fixed mounting has support frame (204), support frame (204) are erect and are installed pushing assembly (4);

push down subassembly (4) including mount (401), mount (401) one side top erects and installs cylinder (402), mount (401) another side bottom fixedly connected with driving frame (405), driving frame (405) bottom joint has pinch roller assembly (3), pinch roller assembly (3) are including frame (303), frame (303) bottom is rotated and is connected with pinch roller (301).

2. The pressing wheel positioning mechanism based on photoelectric detection as claimed in claim 1, wherein a fixed block (102) is sleeved on a shell at one end of the servo motor (101) close to the lead screw (107), a positioning frame (103) is erected and installed on a side edge of the fixed block (102), and a guide rod (104) which is slidably sleeved with the positioning frame (103) is arranged on an outer wall of the sliding sleeve (106).

3. The pressing wheel positioning mechanism based on photoelectric detection as claimed in claim 1, wherein a connecting frame (105) fixed to the middle of one side of the plate frame (201) is erected on the top of the sliding sleeve (106), a first sliding clamp (202) in sliding connection with the sliding rod (203) is symmetrically arranged on the upper end and the lower end of one side of the plate frame (201), a plurality of symmetrical second sliding clamps (205) are installed on one side of the support frame (204), and the traversing device (1) and the adjusting assembly (2) are symmetrically arranged in two sets.

4. The pressing wheel positioning mechanism based on photoelectric detection as claimed in claim 1, wherein a bolt at the bottom of the air cylinder (402) is connected with the supporting frame (204), a piston rod (404) connected with the fixed frame (401) is slidably connected to the bottom of the air cylinder (402) in a penetrating manner, a rotating fastener (409) connected with the transmission frame (405) is arranged on two sides of the bottom of the fixed frame (401), a sliding frame (403) slidably connected with the sliding clamp II (205) is arranged on the side of the transmission frame (405), a plurality of groups of angle encoders (407) are symmetrically arranged at two ends of the transmission frame (405), a rotating shaft (408) rotatably connected with the top of the transmission frame (405) is arranged between the angle encoders (407), a shell is arranged on the outer side of the angle encoders (407) and connected with the fixed frame (401), a driving motor (412) connected with the fixed frame (401) is arranged on the top of one end of the rotating shaft (408) close to the angle encoders (407), a connecting rod (411) is arranged at the bottom of the driving motor (412), and a set of teeth (410) which are engaged with each other is arranged between the bottom of the rod body of the connecting rod (411) and one end of the rotating shaft (408).

5. The pressing wheel positioning mechanism based on photoelectric detection as claimed in claim 1, wherein a photoelectric sensor (406) is mounted on an outer wall of one side of the pressing component (4) away from the adjusting component (2), and the photoelectric sensor (406) is clamped and fixed with an outer wall of the angle encoder (407).

6. The pressing wheel positioning mechanism based on photoelectric detection as claimed in claim 1, wherein the top of the frame (303) is clamped with the bottom of the transmission frame (405), a second pressing wheel (302) rotatably connected with the frame (303) is arranged on the side of the first pressing wheel (301), and a pressure sensor (304) in contact with the shaft rods of the first pressing wheel (301) and the second pressing wheel (302) is arranged on the frame body of the frame (303).