CN209774003U - Upper and lower capstan front segment double-wire mechanism - Google Patents

Abstract

The utility model discloses a double-wire mechanism of upper and lower main guide wheel front sections in the technical field of numerical control machine tools, which comprises a wire cylinder frame, wherein a wire cylinder is arranged on the wire cylinder frame, the right side of the wire cylinder frame is provided with a wire frame, two groups of upper guide wheels are arranged on the wire frame, the side wall of a fixed plate is fixedly connected with a guide plate, the surface of the front side wall of the guide plate is slidably connected with a guide rod, the side wall of the guide rod is provided with two connecting rods, the end parts of the two connecting rods are inserted on a pulley, a lower limit bearing is arranged below the upper limit bearing, a balancing weight is arranged at the top end of the guide rod, the bottom end of the guide rod is connected with a wire tensioning wheel, a tension detector is arranged on the wire frame, a photoelectric sensor is arranged in a mounting groove, the double-wire mechanism has the function of timely stopping, and the silk stretching process is stable, and the using effect is good.

Description

Upper and lower capstan front segment double-wire mechanism

Technical Field

the utility model relates to a digit control machine tool technical field specifically is a two silk mechanisms of leading wheel anterior segment from top to bottom.

background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.

For the processing of filiform objects, the process of stretching the filiform objects is usually required to be carried out to the filiform objects to prevent the filiform objects from loosening, the existing wire stretching mechanism can only play a single wire stretching effect, if the filiform objects are broken or deformed due to overlarge pressure of a wire stretching wheel, the machine can not adopt effective stopping measures, subsequent work is affected, and even the machine is damaged, therefore, the front-section double-wire stretching mechanism of the upper and lower main guide wheels is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two silk mechanisms of leading wheel anterior segment about to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-wire mechanism with upper and lower main guide wheels and front sections comprises a wire barrel frame, wherein a wire barrel is arranged on the wire barrel frame, the right side of the wire barrel frame is provided with the wire frame, the wire frame is provided with two groups of upper guide wheels, two groups of lower guide wheels are arranged below the two groups of upper guide wheels, the side wall of the wire frame is fixedly connected with a fixed plate, the side wall of the fixed plate is fixedly connected with a guide plate, the surface of the front side wall of the guide plate is slidably connected with a guide rod, the side wall of the guide rod is provided with two connecting rods, the end parts of the two connecting rods are inserted on pulleys, the pulleys are arranged in a guide groove through a connecting shaft, the guide groove is arranged on the front side wall of the guide plate, one end of each connecting rod is connected with one end of a thin rope in a bolted mode, the other end of the thin rope bypasses a wire guide wheel and is connected, go up spacing bearing below and be equipped with down spacing bearing, the balancing weight is installed on the guide bar top, and the guide bar bottom is connected with a silk wheel, install the tension detector on the silk frame, the winding on the foreign steamer of tension detector has the steel wire, the mounting groove has been seted up on the fixed plate, be provided with photoelectric sensor in the mounting groove, the siren is installed at the silk frame top, photoelectric sensor and tension detector's output and the control unit electric connection of installing in the deflector back lateral wall.

further, the control unit comprises a relay, the relay is electrically connected with the frequency converter and the controller, the output end of the controller is electrically connected with the alarm, and the relay, the frequency converter and the controller are all powered by the V power supply.

Furthermore, the guide rod is provided with a light blocking sheet, the light blocking sheet is in a long strip shape and is arranged on two sides of the outer wall of the guide rod, and the light blocking sheet is located on the front side of the connecting rod.

Furthermore, a limiting block is arranged in the guide groove, a baffle is arranged at the middle section of the guide groove, and the baffle is arranged along the two sides of the groove opening.

Furthermore, the wire guide wheel is suspended in the air in front of the front side wall of the guide plate through a fixing rod which is obliquely arranged, and a through hole matched with the thin rope is formed in the guide plate.

Furthermore, the mounting groove is formed below the guide plate, a sponge block is laid in the mounting groove, and a wire hole is formed in the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model discloses a tension detector and photoelectric sensor's use, tension detector real-time detection filamentous object is located the tension on the guide pulley, the position of photoelectric sensor real-time detection guide bar whereabouts, in case the cracked problem takes place, the guide bar can drive a silk wheel and reach the within range that photoelectric sensor detected, perhaps tension detector detects tension too big or for zero hour, thereby through relay and converter control biax motor stop work, the siren sends out the police dispatch newspaper simultaneously, in time the shut down, relevant part has been protected, the follow-up loss of bringing has been reduced.

2. The utility model discloses a connecting axle of bilateral setting to and synchronous operation's reel can provide balanced guiding force to the guide bar, and through the use of upper and lower spacing bearing, can effectively inject the route of guide bar simultaneously, prevents that the problem of wire wheel skew from taking place, and work is more stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the guide plate of the present invention;

FIG. 3 is a block diagram of the working principle of the present invention;

FIG. 4 is a block diagram of the control unit of the present invention;

FIG. 5 is a schematic view of the structure of the guide groove of the present invention;

Fig. 6 is a schematic view of the structure of the guide bar of the present invention.

In the figure: 1. a bobbin frame; 2. a wire barrel; 3. a wire frame; 4. an upper guide wheel; 5. a lower guide wheel; 6. a guide plate; 61. perforating; 7. a guide bar; 71. a light blocking sheet; 8. a connecting rod; 9. a guide groove; 91. a baffle plate; 92. a limiting block; 10. a string; 11. a wire guide wheel; 12. an upper limit bearing; 13. a lower limit bearing; 14. a wire tensioning wheel; 15. a reel; 16. a double-shaft motor; 17. a control unit; 171. a relay; 172. a frequency converter; 173. a controller; 18. a tension detector; 19. mounting grooves; 20. a photosensor; 21. a fixing plate; 22. a pulley; 23. a balancing weight; 24. an alarm.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-6, the present invention provides a technical solution: a front section double-wire mechanism of an upper and a lower main guide wheels comprises a wire barrel frame 1, a wire barrel 2 is arranged on the wire barrel frame 1, a wire frame 3 is arranged on the right side of the wire barrel frame 1, two groups of upper guide wheels 4 are arranged on the wire frame 3, two groups of lower guide wheels 5 are arranged below the two groups of upper guide wheels 4, wires are sequentially wound on the upper guide wheels 4, the lower guide wheels 5 and the wire barrel 2 and have guiding and limiting effects on the wires, a fixing plate 21 is fixedly connected to the side wall of the wire frame 3, a guide plate 6 is fixedly connected to the side wall of the fixing plate 21, a guide rod 7 is slidably connected to the surface of the front side wall of the guide plate 6, the guide rod 7 is smoothly connected with the surface of the guide plate 6 to reduce the friction force during movement, two connecting rods 8 are arranged on the side wall of the guide rod 7, the end parts of the two connecting rods 8 are inserted into a pulley 22, the pulley 22 is arranged in a guide groove 9 through, the guide device has a guide movement function, a guide groove 9 is arranged on the front side wall of a guide plate 6 and is used for installing a pulley 22, one end of a connecting rod 8 is bolted with one end of a thin rope 10, the other end of the thin rope 10 bypasses a wire guide wheel 11 and is connected with a reel 15 arranged on the rear side wall of the guide plate 6, the reel 15 is connected with an output shaft of a double-shaft motor 16, stable and balanced pulling force can be provided for the guide rod 7 through the thin rope 10 arranged on two sides to prevent the guide rod 7 from deviating, an upper limit bearing 12 is sleeved on the outer wall of the guide rod 7, a lower limit bearing 13 is arranged below the upper limit bearing 12 to limit the up-down moving path of the guide rod 7 and prevent the guide rod from deviating left and right, a balancing weight 23 is arranged at the top end of the guide rod 7 and is used for providing downward gravity when a wire tensioning wheel 14 works to enable the wire to contact with a filament, install tension detector 18 on the silk frame 3, the winding on tension detector 18's the foreign steamer has the steel wire, be convenient for detect the tension of fillies in real time, mounting groove 19 has been seted up on the fixed plate 21, be provided with photoelectric sensor 20 in the mounting groove 19, when leading to the fillies fracture because tension is too big, photoelectric sensor 20 has been sheltered transmission path by light barrier 71, thereby in time make stops part work, siren 24 is installed at the 3 top of silk frame, be convenient for remind the staff in time to maintain, photoelectric sensor 20 and tension detector 18's output and the control unit 17 electric connection who installs in deflector 6 rear wall.

referring to fig. 3, the control unit 17 includes a relay 171, the relay 171 is electrically connected to a frequency converter 172, the relay 171 is electrically connected to a controller 173, an output terminal of the controller 173 is electrically connected to the alarm 24, when the photoelectric sensor 20 works, the relay 171 works correspondingly, the frequency converter 172 is started to control the start and stop of the dual-shaft motor 16, so as to make a stop component timely and prevent damage to the machine, and the relay 171, the frequency converter 172 and the controller 173 are all powered by a 24V power supply.

Referring to fig. 6, the guide bar 7 is provided with a light blocking sheet 71, which is used for cooperating with the photoelectric sensor 20 to work and blocking light transmission of the photoelectric sensor 20, so that the photoelectric sensor 20 receives a feedback signal to stop the dual-axis motor 16, the light blocking sheet 71 is arranged on two sides of the outer wall of the guide bar 7 in a strip shape, and the light blocking sheet 71 is located on the front side of the connecting bar 8.

Referring to fig. 5, the guide groove 9 is provided with a limiting block 92 for limiting the movement of the guide rod 7, and a baffle 91 is provided at the middle section of the guide groove 9 to prevent the pulley 22 from separating from the guide groove 9 due to external force, and the baffle 91 is provided along the two sides of the groove opening.

referring to fig. 1, the guide roller 11 is suspended in front of the front side wall of the guide plate 6 by a fixing rod disposed obliquely, so as to prevent the string 10 from being stuck due to the contact end between the guide roller 11 and the guide plate 6, and the guide plate 6 is provided with a through hole 61 adapted to the string 10, so that the string 10 can pass through the guide plate 6 and be connected to the reel 15.

Referring to fig. 1, the mounting groove 19 is disposed below the guide plate 6, a sponge block is disposed in the mounting groove 19 to protect the photoelectric sensor 20, and a wire guide hole is disposed on the fixing plate 21 to facilitate connection between the photoelectric sensor 20 and the control unit 17.

Example (b): the filament is wound on the upper guide wheel 4, the lower guide wheel 5 and the filament tube 2 in sequence, the double-shaft motor 16 drives the winding wheel 15 to circularly rotate in the positive and negative directions, the contraction of the filament 10 provides upward pulling force for the connecting rod 8, so that the connecting rod 8 drives the guide rod 7 to move upwards by the pulley 22, the filament 10 is released, the counterweight block 23 provides downward gravity for the guide rod 7, so that the guide rod 7 moves downwards, and finally the filament tension wheel 14 is driven to continuously contact with the filament to generate tension, when the tension detector 18 detects that the tension is too large, or the filament is directly broken due to the too large tension, the guide rod 7 crosses the original position and moves downwards under the gravity of the counterweight block 23 until the light blocking sheet 71 blocks the light transmission of the photoelectric sensor 20, the relay 171 works correspondingly, the frequency converter 172 is started to control the stop of the double-shaft motor 16, so as to conveniently and timely stop components and prevent the machine from being damaged, when the tension detector 18 detects that the tension is zero, the detection signal is transmitted to the controller 173, so that the double-shaft motor 16 is stopped, the detection signal is processed and converted into a control signal to be transmitted to the alarm 24, the alarm works, a worker is reminded of maintaining in time, and the possibility of damage to components is reduced.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a two silk mechanisms of leading wheel anterior segment from top to bottom, includes silk barrel holder (1), its characterized in that: the guide device is characterized in that a wire barrel (2) is mounted on the wire barrel frame (1), a wire frame (3) is arranged on the right side of the wire barrel frame (1), two groups of upper guide wheels (4) are mounted on the wire frame (3), two groups of lower guide wheels (5) are mounted below the two groups of upper guide wheels (4), a fixing plate (21) is fixedly connected to the side wall of the wire frame (3), a guide plate (6) is fixedly connected to the side wall of the fixing plate (21), a guide rod (7) is slidably connected to the surface of the front side wall of the guide plate (6), two connecting rods (8) are arranged on the side wall of the guide rod (7), the end parts of the two connecting rods (8) are inserted into pulleys (22), the pulleys (22) are mounted in guide grooves (9) through connecting shafts, the guide grooves (9) are formed in the front side wall of the guide plate (6), one ends of the connecting rods (8, wire wheel (11) is walked around with reel (15) that set up in deflector (6) rear side wall to string rope (10) other end and is connected, reel (15) and the output shaft of double-shaft motor (16), guide bar (7) outer wall cover is equipped with spacing bearing (12), it is equipped with down spacing bearing (13) to go up spacing bearing (12) below, balancing weight (23) are installed on guide bar (7) top, and guide bar (7) bottom is connected with a silk wheel (14), install tension detector (18) on silk frame (3), the winding of the foreign steamer of tension detector (18) has the steel wire, mounting groove (19) have been seted up on fixed plate (21), be provided with photoelectric sensor (20) in mounting groove (19), siren (24) are installed at silk frame (3) top, photoelectric sensor (20) and the output of tension detector (18) and the control unit who installs in deflector (6) rear side wall (17) And (6) electrically connecting.

2. The front-section double-wire mechanism of the upper and lower main guide wheels as claimed in claim 1, wherein: the control unit (17) comprises a relay (171), the relay (171) is electrically connected with a frequency converter (172), the relay (171) is electrically connected with a controller (173), the output end of the controller (173) is electrically connected with an alarm (24), and the relay (171), the frequency converter (172) and the controller (173) are all powered by a 24V power supply.

3. The front-section double-wire mechanism of the upper and lower main guide wheels as claimed in claim 1, wherein: the light blocking sheet (71) is arranged on the guide rod (7), the light blocking sheet (71) is arranged on two sides of the outer wall of the guide rod (7) in a long strip shape, and the light blocking sheet (71) is located on the front side of the connecting rod (8).

4. The front-section double-wire mechanism of the upper and lower main guide wheels as claimed in claim 1, wherein: be provided with stopper (92) in guide way (9), and guide way (9) middle part department is provided with baffle (91), baffle (91) set up along notch limit bilateral.

5. The front-section double-wire mechanism of the upper and lower main guide wheels as claimed in claim 1, wherein: the wire guide wheel (11) is arranged in front of the front side wall of the guide plate (6) in a suspended mode through a fixing rod which is arranged in an inclined mode, and a through hole (61) matched with the thin rope (10) is formed in the guide plate (6).

6. The front-section double-wire mechanism of the upper and lower main guide wheels as claimed in claim 1, wherein: the installation groove (19) is arranged below the guide plate (6), a sponge block is laid in the installation groove (19), and a wire guide hole is formed in the fixing plate (21).