CN113547007B - Headrest rod bending system and method - Google Patents

Abstract

The utility model relates to a pipe processing device, in particular to a headrest rod bending system and a bending method, which has the technical proposal that the headrest rod bending system comprises a first placing seat, a fixing device arranged on the first placing seat, an extruding device and a bending device which are arranged on one side of the first placing seat, and the bending device is rotationally connected with the extruding device; the fixing device comprises a fixing component and a first driving component; the extruding device comprises an extruding head, an extruding bending rod, a third driving assembly and a second placing seat, the extruding head is connected with the second placing seat in a sliding mode, the sliding direction of the extruding head is perpendicular to that of the fixing assembly, the bending device comprises a bending head, a third placing seat, a fourth driving piece and a rotating assembly, the bending head is connected with the third placing seat in a sliding mode, and the third placing seat is connected with the second placing seat in a rotating mode; the semi-automatic processing of the headrest rod is realized, the labor intensity of workers is greatly reduced, and the production efficiency is improved.

Description

Headrest rod bending system and method

Technical Field

The application relates to pipe machining equipment, in particular to a headrest rod bending system and a headrest rod bending method.

Background

The pipe bender is a processing device for bending and forming pipe workpieces, and is often used for bending and processing headrest rods.

In the related art, chinese patent publication No. CN107081357A discloses a manual hydraulic pipe bender, which comprises a pump body, a pipe bending die and a plunger pump, wherein the plunger pump is arranged at the upper end of the pump body, a handle sleeve is arranged on the plunger pump, the handle sleeve is connected with a handle, a pull piece is arranged at the other end of the handle sleeve and connected with the pump body, the pump body is connected with an oil cylinder base through an oil tank, the oil cylinder base is connected with the pipe bending die, an oil filling port is arranged on the oil tank, an upper wing plate and a lower wing plate are arranged above and below the oil cylinder base, the upper wing plate is fixedly mounted on the oil cylinder base through a wing plate pin, a wheel fixed through a rear wheel fork is connected to the bottom surface of the lower wing plate, a supporting wheel is arranged between the upper wing plate and the lower wing plate, a pulley fixed through a front wheel fork is arranged on the side wall of the pump body, an oil filtering cover is arranged at the bottom of the pump body, and a switch is arranged on the side wall of the pump body.

In view of the above-mentioned related art solutions, the inventors found that: because the headrest rod can be machined and formed after being bent for many times, when a manual hydraulic pipe bender is adopted for bending, the whole process is basically manual operation, the labor intensity is high, and the working efficiency is low.

Disclosure of Invention

In order to reduce labor intensity and improve production efficiency, the application provides a headrest rod bending system and a headrest rod bending method.

The headrest rod bending system and the headrest rod bending method adopt the following technical scheme:

a headrest rod bending system comprises a first placing seat, a fixing device arranged on the first placing seat, and an extruding device and a bending device which are arranged on one side of the first placing seat, wherein the bending device is rotatably connected with the extruding device; the fixing device comprises a fixing component and a first driving component, the first driving component is in sliding connection with the first placing seat, and the fixing component is arranged on one side of the first driving component; the extrusion device comprises an extrusion head, an extrusion bending rod, a third driving assembly and a second placing seat, the extrusion head, the third driving assembly and the extrusion bending rod are all arranged on the second placing seat, the third driving assembly is arranged below the extrusion head, the extrusion head is in sliding connection with the second placing seat, the sliding direction is perpendicular to that of the fixing assembly, the extrusion bending rod is vertically arranged on one side of the extrusion head and is connected with the second placing seat, and the second placing seat is fixedly connected with the first placing seat; the bending device comprises a bending head, a third placing seat, a fourth driving part and a rotating assembly, the bending head and the fourth driving part are both arranged on the third placing seat, the rotating assembly is arranged below the third placing seat, the bending head and the third placing seat are in sliding connection, and the third placing seat and the second placing seat are in rotating connection.

By adopting the technical scheme, when the headrest rods are bent, the headrest rods are firstly placed on the first placing seat, and are fixed by the fixing component, then the first driving component is utilized to drive the fixing component and the headrest rod to move towards the direction close to the extrusion head and the extrusion bending rod, after the headrest rod moves between the extrusion head and the extrusion bending rod, starting a third driving component and a fourth driving component, wherein the third driving component drives the extrusion head to move towards the direction close to the headrest rod, the fourth driving component drives the bending head to move towards the direction close to the headrest rod, then starting the rotating assembly to drive the third placing seat to rotate so as to realize the bending treatment of the headrest rod, and finally starting the fourth driving piece and the rotating assembly, wherein the fourth driving piece drives the bending head to move towards the direction far away from the extrusion bending rod, and the rotating assembly realizes the rotation of the third placing seat; the semi-automatic processing of the headrest rod is realized, the labor intensity of workers is greatly reduced, and the production efficiency is improved.

Preferably, the first driving assembly comprises a screw rod which is arranged on the first placing seat and is rotationally connected with the first placing seat, a screw rod nut which is arranged on the screw rod and is in threaded connection with the screw rod, first guide rails which are arranged on two sides of the screw rod and are fixedly connected with the first placing seat, and a first driving piece which is arranged at one end of the screw rod; the screw nut is connected with the first guide rail in a sliding manner.

By adopting the technical scheme, after the headrest rod is fixed, the first driving piece is started to drive the screw rod to rotate, and under the action of the screw rod and the first guide rail, the screw rod nut drives the fixing assembly and the headrest rod to move towards the direction close to the extrusion head and the extrusion bending rod along the extension direction of the screw rod; the arrangement of the first driving assembly reduces the workload of manually driving the headrest rod to move between the extrusion head and the extrusion bending rod, so that the labor intensity is reduced, the production efficiency is improved, the moving distance of the headrest rod is conveniently controlled, and the machining precision of the headrest rod is greatly improved.

Preferably, a controller is arranged on the first placing seat, a starting pedal is arranged on one side of the first placing seat, the first driving piece is electrically connected with the controller, and the starting pedal is electrically connected with the controller.

By adopting the technical scheme, when the first driving part is started, a worker steps on the starting pedal by feet, the starting signal is fed back to the controller, and the controller drives the first driving part to realize starting; the controller and the starting pedal which are arranged reduce the workload of starting the first driving part when a worker walks back and forth, and improve the production efficiency.

Preferably, the fixing assembly comprises a fixing rod arranged on one side of the screw nut and a fixing head arranged at one end, far away from the screw nut, of the fixing rod; the first fixed orifices that supplies headrest pole male are seted up to the fixed head, and the second fixed orifices that supplies headrest pole male is seted up to the dead lever, and first fixed orifices and second fixed orifices are coaxial.

By adopting the technical scheme, when the headrest rod is fixed, the headrest rod can be fixed by inserting the headrest rod into the second fixing hole and the first fixing hole; the first fixing hole and the second fixing hole are formed, so that the headrest rod can be fixed conveniently, the headrest rod is prevented from being held by hands all the time in the machining process, the labor intensity is reduced, and the production efficiency is improved.

Preferably, the fixing rod is rotatably connected with the screw nut; the screw nut top is provided with second drive assembly, second drive assembly including set up the dead lever keep away from the one end of fixed head and with the dead lever be fixed connection's dwang, set up the one end of keeping away from the dead lever at the dwang and with dwang fixed connection's first gear, set up in first gear one side and with first gear engaged with second gear and set up in second gear one side and with second gear fixed connection's second driving piece, the second driving piece is connected with the controller electricity.

By adopting the technical scheme, the headrest rod which is processed and formed is in a three-dimensional bent shape, so after the first bending treatment, the headrest rod can be bent for multiple times after rotating along the axis of the headrest rod; when the headrest pole needs to rotate, start the second driving piece and drive the second gear and rotate, under the effect of first gear and dwang, dead lever and fixed head will drive the headrest pole and rotate to alright with continuation processing, the setting up of second drive assembly makes the headrest pole realize rotating under the condition that need not take off from fixed subassembly, has shortened the process time of headrest pole greatly, has improved production efficiency.

Preferably, the third driving assembly comprises a connecting rod which is arranged below the extrusion head and hinged with the extrusion head, and a third driving piece which is vertically arranged below the connecting rod and hinged with the connecting rod, the free end of the third driving piece is hinged with the lower end of the connecting rod, and the third driving piece is fixedly connected with the first placing seat; the third driving member is electrically connected with the controller.

By adopting the technical scheme, when the headrest rod is extruded and fixed, the third driving piece is started, and under the linkage action of the third driving piece and the connecting rod, the extrusion head slides along the extending direction of the second placing seat, so that the extrusion and the fixation of the headrest rod can be realized; the third driving assembly realizes extrusion fixing of the headrest rod, reduces the possibility of deviation of the headrest rod during bending, and ensures the machining precision of the headrest rod.

Preferably, the free end of the fourth driving part is hinged to the bending head, the fourth driving part is hinged to the second placing seat, and the fourth driving part is electrically connected with the controller.

By adopting the technical scheme, when the headrest rod is bent and fixed, the fourth driving part is started, and under the action of the fourth driving part, the bending head slides along the extending direction of the third placing seat, so that the bending and fixing of the headrest rod can be realized; the fourth driving part realizes the bending fixation of the headrest rod, reduces the possibility of the deflection of the headrest rod during the bending, and ensures the processing precision of the headrest rod.

Preferably, the rotating assembly comprises a fixed shaft vertically arranged in the second placing seat and the third placing seat and rotatably connected with the second placing seat, a fixed shaft fixedly connected with the third placing seat, a first chain wheel arranged on the fixed shaft and fixedly connected with the fixed shaft, a chain wound outside the first chain wheel and meshed with the first chain wheel, a fifth driving piece arranged below the second placing seat and a second chain wheel arranged on an output shaft of the fifth driving piece and meshed with the chain, and the fifth driving piece is electrically connected with the controller.

By adopting the technical scheme, when the headrest rod is bent, the fifth driving piece is started to drive the second chain wheel to rotate, the fixed rod rotates along with the chain and the first chain wheel, and the fixed rod is rotatably connected with the second placing seat and fixedly connected with the third placing seat, so that the third placing seat rotates along the axis of the fixed rod under the action of the fixed rod, and the headrest rod is bent; the rotating assembly is arranged to realize automatic bending of the headrest rod, so that the labor intensity is reduced, and the production efficiency is improved.

Preferably, the end surface of the extrusion head, which is close to the extrusion bending rod, is provided with a first arc-shaped placing groove; the side surface of the extrusion bending rod close to the extrusion head and two adjacent side surfaces are both provided with a second arc-shaped placing groove; the head rest of bending is close to the terminal surface of the extrusion pole of buckling and is seted up the third arc standing groove.

Through adopting above-mentioned technical scheme, seting up of first arc standing groove, second arc standing groove and third arc standing groove all is the headrest pole of being convenient for and places, has reduced the headrest pole and has been extruded and bend the in-process and be caused the possibility of destruction by extrusion head and extrusion pole of bending, has guaranteed the integrality of headrest pole.

The application also provides a headrest rod bending method, a part of steps are executed by using the headrest rod bending system, and the headrest rod bending method comprises the following steps:

s1, discharging: fixing the headrest rod by using the fixing assembly, and starting the first driving assembly;

s2, feeding: the first driving component moves the headrest rod to the position of the extrusion bending rod, and starts the third driving component and the fourth driving component;

s3, fixing: s3-1: the third driving component drives the extrusion head to move towards the direction close to the extrusion bending rod until the extrusion head is abutted against the headrest rod; s3-2: the fourth driving part drives the bending head to move towards the direction close to the extrusion bending rod until the bending head is abutted against the headrest rod; s3-3: starting the rotating assembly;

s4, bending: the rotating assembly drives the third placing seat to rotate;

s5, resetting: the second driving component drives the headrest rod to rotate, the fourth driving component drives the bending head to move in the direction away from the extruding bending head, and the rotating component drives the third placing seat to rotate, so that resetting is realized;

s6, repeating: and repeating the steps S1-S5 to complete the machining and forming of the headrest rod.

In summary, the present application has the following technical effects:

1. when the headrest rod is bent, firstly, the headrest rod is placed on a first placing seat, the fixing assembly is used for fixing the headrest rod, then the first driving assembly is used for driving the fixing assembly and the headrest rod to move towards the direction close to the extrusion head and the extrusion bending rod, after the headrest rod moves between the extrusion head and the extrusion bending rod, a third driving assembly and a fourth driving assembly are started, the third driving assembly drives the extrusion head to move towards the direction close to the headrest rod, the fourth driving assembly drives the bending head to move towards the direction close to the headrest rod, then the rotating assembly is started to drive the third placing seat to rotate, so that the bending treatment of the headrest rod is realized, finally, the fourth driving assembly and the rotating assembly are started, the fourth driving assembly drives the bending head to move towards the direction far away from the extrusion bending rod, and the rotating assembly realizes the rotation of the third placing seat; the semi-automatic processing of the headrest rod is realized, the labor intensity of workers is greatly reduced, and the production efficiency is improved;

2. after the headrest rod is fixed, a first driving piece is started to drive a lead screw to rotate, and under the action of the lead screw and a first guide rail, a lead screw nut drives a fixing component and the headrest rod to move towards the direction close to the extrusion head and the extrusion bending rod along the extension direction of the lead screw; the arrangement of the first driving assembly reduces the workload of manually driving the headrest rod to move between the extrusion head and the extrusion bending rod, thereby not only reducing the labor intensity and improving the production efficiency, but also being convenient for controlling the moving distance of the headrest rod, and further greatly improving the processing precision of the headrest rod;

3. when the headrest pole needs to rotate, start the second driving piece and drive the second gear and rotate, under the effect of first gear and dwang, dead lever and fixed head will drive the headrest pole and rotate to alright with continuation processing, the setting up of second drive assembly makes the headrest pole realize rotating under the condition that need not take off from fixed subassembly, has shortened the process time of headrest pole greatly, has improved production efficiency.

Drawings

FIG. 1 is a schematic structural diagram of an original state of a bending system in an embodiment of the present application;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a partial cross-sectional view of the bending system in an operational state according to an embodiment of the present application;

FIG. 4 is a partial cross-sectional view highlighting a squeezing means and a bending means in an embodiment of the application;

FIG. 5 is an enlarged schematic view at B of FIG. 1;

FIG. 6 is an enlarged schematic view at C in FIG. 4;

fig. 7 is a system diagram of a control device in the embodiment of the present application.

In the figure, 1, a first placing seat; 2. a fixing device; 21. a fixing assembly; 211. fixing the rod; 212. a fixed head; 22. a first drive assembly; 221. a lead screw; 222. a lead screw nut; 223. a first guide rail; 224. a first driving member; 225. a first guide block; 3. an extrusion device; 31. an extrusion head; 311. a first arc-shaped placing groove; 32. extruding the bending rod; 321. a second arc-shaped placing groove; 33. a third drive assembly; 331. a connecting rod; 332. a third driving member; 34. a second placing seat; 35. a first slider; 36. a third guide rail; 4. a bending device; 41. bending the elbow; 411. a third arc-shaped placing groove; 42. a fourth drive; 43. a third placing seat; 44. a rotating assembly; 441. a first sprocket; 442. a chain; 443. a second sprocket; 444. a fifth driving member; 45. a second slider; 5. a second drive assembly; 51. rotating the rod; 52. a first gear; 53. a second gear; 54. a second driving member; 6. a protective cover; 7. a first adjustment assembly; 71. a first fixed block; 72. a first screw; 73. a second guide rail; 74. a second guide block; 75. a first hand wheel; 8. a second adjustment assembly; 81. a second fixed block; 82. a second screw; 83. a fourth guide rail; 84. a second hand wheel; 9. a third adjustment assembly; 91. a third fixed block; 92. a third screw; 93. a fifth guide rail; 94. a third hand wheel; 10. a control device; 101. a controller; 102. the pedal is actuated.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, the application provides a headrest rod bending system, which comprises a horizontal first placing seat 1, a fixing device 2 arranged on the first placing seat 1, an extrusion device 3 arranged on one side of the first placing seat 1, and a bending device 4 arranged on one side of the extrusion device 3 far away from the first fixing device 2, wherein the bending device 4 is rotatably connected with the extrusion device 3; the fixing device 2 comprises a fixing component 21 for fixing the headrest rod and a first driving component 22 for driving the fixing component 21 to move, and the fixing device 2 is connected with the first placing seat 1 in a sliding mode.

When the headrest rod is bent, the headrest rod is firstly placed on the first placing seat 1, the fixing assembly 21 is utilized to fix the headrest rod, then the first driving assembly 22 is utilized to drive the fixing assembly 21 and the headrest rod to move towards the direction close to the extruding device 3 and the bending device 4, after the headrest rod moves to the position of the extruding device 3 and the position of the bending device 4, the extruding device 3 is utilized to extrude the headrest rod, then the bending device 4 is utilized to bend the headrest rod, and therefore the headrest rod can be machined.

Referring to fig. 1 and 2, the fixing assembly 21 includes a fixing rod 211 and a fixing head 212, wherein the fixing rod 211 is horizontally disposed on one side of the first driving assembly 22 close to the squeezing device 3, the fixing head 212 is disposed on one end of the fixing rod 211 far away from the first driving assembly 22, the fixing head 212 is coaxial with the fixing rod 211, and the fixing head 212 is connected to the fixing rod 211 through a bolt; the end face of the fixing rod 211 far away from the first driving assembly 22 is provided with a first fixing hole coaxial with the fixing rod 211, the fixing head 212 is provided with a second fixing hole which penetrates through the fixing head 212 and is coaxial with the fixing head 212, the diameter of the first fixing hole is larger than that of the second fixing hole, and the first fixing hole and the second fixing hole are coaxial.

When the headrest rod is fixed, the headrest rod is inserted into the second fixing hole and the first fixing hole to realize fixation; the first fixing hole and the second fixing hole are formed, so that the headrest rod can be fixed conveniently, the headrest rod is prevented from being held by hands all the time in the machining process, the labor intensity is reduced, and the production efficiency is improved; the fixing head 212 and the fixing rod 211 are connected through bolts, so that different fixing heads 212 can be replaced conveniently, headrest rods with different diameters can be fixed conveniently, and the use diversity is greatly improved.

Referring to fig. 1, the first driving assembly 22 includes a screw 221, a screw nut 222, a first guide rail 223 and a first driving member 224, wherein the screw 221 is horizontally disposed on the upper end surface of the first placing base 1, the extending direction of the screw is parallel to the extending direction of the first placing base 1, and the screw 221 is rotatably connected to the first placing base 1; the screw nut 222 is horizontally arranged on the screw 221 and is in threaded connection with the screw 221; the two first guide rails 223 are respectively arranged on two sides of the screw rod 221, the first guide rails 223 are horizontally and fixedly connected to the upper end surface of the first placing seat 1, the extending direction of the first guide rails 223 is parallel to the extending direction of the screw rod 221, and the screw rod nut 222 is in sliding connection with the first guide rails 223; the first driving member 224 is disposed at one end of the lead screw 221, and an output shaft thereof is fixedly connected to the lead screw 221, and the first driving member 224 may adopt a driving motor, a hydraulic motor, or the like.

After the headrest rods are fixed, the first driving piece 224 is started to drive the screw rod 221 to rotate, under the action of the screw rod 221 and the first guide rail 223, the screw rod nut 222 drives the fixing assembly 21 and the headrest rods to move towards the direction close to the extruding device 3 along the extending direction of the screw rod 221, and then the extrusion and bending operations on the headrest rods are realized under the action of the extruding device 3 and the bending device 4; the arrangement of the first driving assembly 22 reduces the workload of manually driving the headrest rods to move into the extrusion device 3 and the bending device 4, thereby not only reducing the labor intensity and improving the production efficiency, but also being convenient for controlling the moving distance of the headrest rods, and further greatly improving the processing precision of the headrest rods; the first guide rail 223 is provided to perform guiding and limiting functions, so that the lead screw nut 222 can move along the extending direction of the lead screw 221.

Referring to fig. 1, in order to enable the screw nut 222 to be slidably connected with the first guide rail 223, a plurality of first guide blocks 225 are fixedly connected to an end surface of the screw nut 222 close to the first guide rail 223, four first guide blocks 225 are arranged, and are arranged in pairs and opposite to each other, and a first sliding groove for embedding the first guide rail 223 is formed in an end surface of the first guide block 225 close to the first guide rail 223; the first guide block 225 is arranged, so that the screw nut 222 is in sliding connection with the first guide rail 223, meanwhile, the abrasion of the screw nut 222 is reduced, and the service life is prolonged; the first sliding groove reduces the possibility that the first guide block 225 is separated from the first guide rail 223, and ensures the normal operation of the screw nut 222.

Referring to fig. 1, 2 and 3, in order to shorten the processing time of the headrest rods and thus improve the production efficiency, the fixing rod 211 is rotatably connected with the lead screw nut 222; specifically, the upper end surface of the lead screw nut 222 is provided with a second driving assembly 5, the second driving assembly 5 comprises a rotating rod 51, a first gear 52, a second gear 53 and a second driving member 54, wherein, the rotating rod 51 is arranged at one end of the fixing rod 211 far away from the fixing head 212, the rotating rod 51 is coaxial with the fixing rod 211, and is fixedly connected with the fixing rod 211, the first gear 52 is arranged at one end of the rotating rod 51 far away from the fixing rod 211, the first gear 52 is coaxial with the rotating rod 51, and is fixedly coupled to the outer circumferential surface of the rotating lever 51, the second gear 53 is disposed above the first gear 52, and is engaged with the first gear 52, the second driving member 54 is provided on a side of the second gear 53 adjacent to the rotating lever 51, and the output shaft thereof is coaxially and fixedly connected with the second gear 53, the second driving member 54 may adopt a driving motor, a hydraulic motor, etc., in the embodiment of the present application, the second driving member 54 adopts a hydraulic motor.

When the headrest rod is bent, firstly, the fixing component 21 is utilized to realize fixing, then the first driving component 22 is utilized to move the headrest rod between the extruding device 3 and the bending device 4 to carry out first bending, and the headrest rod after the first bending treatment needs to rotate along the axis of the headrest rod and then is bent for multiple times to form a three-dimensional bent shape because the headrest rod after being processed and formed is in the three-dimensional bent shape; when the headrest pole rotates, start second driving piece 54 and drive second gear 53 and rotate, under the effect of first gear 52 and dwang 51, dead lever 211 and fixed head 212 will drive the headrest pole and rotate to alright with continuation processing, the setting up of second drive assembly 5 makes the headrest pole realize rotating under the condition that need not take off from fixed subassembly 21, has shortened the process time of headrest pole greatly, has improved production efficiency.

Referring to fig. 3, in order to reduce the possibility of the second driving assembly 5 being damaged by external force, a protective cover 6 is disposed on the outer sides of the first gear 52, the second gear 53 and the rotating rod 51, and the rotating rod 51 is rotatably connected to the protective cover 6; the arrangement of the protective cover 6 provides a protective effect for the second drive assembly 5, reducing the possibility of damage to the second drive assembly 5 under external forces.

Referring to fig. 3 and 4, the extrusion device 3 includes an extrusion head 31, an extrusion bending rod 32, a third driving assembly 33 and a second placing seat 34, wherein the second placing seat 34 is disposed on one side of the first placing seat 1 and is fixedly connected with the first placing seat 1, the extrusion head 31, the third driving assembly 33 and the extrusion bending rod 32 are all disposed on the second placing seat 34, the third driving assembly 33 is disposed below the extrusion head 31, the extrusion head 31 is slidably connected with the second placing seat 34, and the sliding direction is perpendicular to the sliding direction of the fixing assembly 21, the extrusion bending rod 32 is vertically disposed on one side of the extrusion head 31 and is connected with the second placing seat 34 by a bolt; the end face of the extrusion head 31 close to the extrusion bending rod 32 is provided with a first arc-shaped placing groove 311 for placing the headrest rod, and the side face of the extrusion bending rod 32 close to the extrusion head 31 and two adjacent side faces thereof are provided with second arc-shaped placing grooves 321 for placing the headrest rod.

The headrest rod is fixed by the fixing component 21, and after the headrest rod is moved between the extrusion head 31 and the extrusion bending rod 32 by the first driving component 22, the third driving component 33 is started to drive the extrusion head 31 to move towards the direction close to the extrusion bending rod 32, so that the extrusion fixing of the headrest rod is realized; the arranged extrusion device 3 realizes the extrusion fixation of the headrest rod, reduces the possibility of deviation when the headrest rod is bent, and ensures the processing precision of the headrest rod; the first arc-shaped placing groove 311 and the second arc-shaped placing groove 321 are formed to facilitate the placing of the headrest rods, so that the possibility that the headrest rods are damaged by the extrusion heads 31 and the extrusion bending rods 32 in the extrusion and bending processes is reduced, and the integrity of the headrest rods is ensured; the extrusion bending rod 32 and the second placing seat 34 are connected through bolts, so that the extrusion bending rod 32 can be replaced conveniently, the extrusion fixing of headrest rods with different diameters is facilitated, and the use diversity is greatly improved.

Referring to fig. 1, 4 and 5, in order to place the headrest rods with different diameters in the second arc-shaped placing groove 321, the protective cover 6 is connected with the screw nut 222 in a sliding manner; specifically, the screw nut 222 is provided with a first adjusting assembly 7, the first adjusting assembly 7 comprises a first fixed block 71, a first screw 72 and a second guide rail 73, wherein the first fixed block 71 is vertically and fixedly connected to the side surface of the screw nut 222, the first screw 72 is horizontally arranged, penetrates through the first fixed block 71 and is in threaded connection with the protective cover 6, and the first screw 72 is rotatably connected with the first fixed block 71; the two second guide rails 73 are respectively arranged on two sides of the first screw 72, the second guide rails 73 are horizontally and fixedly connected to the upper end surface of the screw nut 222, the extending direction of the second guide rails 73 is perpendicular to the extending direction of the screw 221, and the protective cover 6 is in sliding connection with the second guide rails 73.

After the headrest rods with different diameters are fixed by the fixing assembly 21, the first screw 72 is rotated to drive the protective cover 6 to move along the extending direction of the second guide rail 73, so that the headrest rods and the fixing assembly 21 are driven to move along the extending direction of the second guide rail 73; due to the design, the headrest rods with different diameters can be placed in the second arc-shaped placing grooves 321 formed in the extrusion bending rods 32, so that the headrest rods with different diameters can be bent, and the use diversity is improved.

Referring to fig. 1 and 5, in order to enable the protective cover 6 to be slidably connected with the second guide rail 73, a plurality of second guide blocks 74 are fixedly connected to an end surface of the protective cover 6 close to the second guide rail 73, four second guide blocks 74 are arranged, and are arranged in pairs and opposite to each other, and a second sliding groove for embedding the second guide rail 74 is formed in an end surface of each second guide block 74 close to the second guide rail 73; the second guide block 74 is arranged, so that the protective cover 6 is in sliding connection with the second guide rail 73, meanwhile, the abrasion of the protective cover 6 is reduced, and the service life is prolonged; the opened second sliding groove reduces the possibility that the second guide block 74 is separated from the second guide rail 73, and ensures the normal operation of the protective cover 6.

Referring to fig. 1, in order to facilitate driving the first screw 72 to rotate, a first hand wheel 75 is disposed on a side of the first fixing block 71 away from the protective cover 6, and the first hand wheel 75 is coaxial and fixedly connected with the first screw 72.

Referring to fig. 4 and 6, the second placing seat 34 is hollow, and both upper and lower ends thereof are open, and the third driving assembly 33 is disposed in the second placing seat 34; the third driving assembly 33 includes a connecting rod 331 and a third driving element 332, wherein the connecting rod 331 is disposed below the squeeze head 31 and hinged to the squeeze head 31, the third driving element 332 is vertically disposed below the connecting rod 331, the third driving element 332 may employ a hydraulic cylinder, a pneumatic cylinder, etc., in this embodiment, the third driving element 332 employs a hydraulic cylinder, a free end of a piston rod in the hydraulic cylinder is hinged to one end of the connecting rod 331 located below, and a cylinder body of the hydraulic cylinder is fixedly connected to the second placing seat 34.

When the headrest rod is extruded and fixed, the third driving member 332 is started, and under the linkage action of the piston rod of the third driving member 332 and the connecting rod 331, the extrusion head 31 slides along the extending direction of the second placing seat 34, so that the extrusion and the fixation of the headrest rod can be realized; the third driving assembly 33 is arranged to realize extrusion fixation of the headrest rod, so that the possibility of deflection of the headrest rod during bending is reduced, and the processing precision of the headrest rod is ensured; the arrangement of the second placing seat 34 provides a protection function for the third driving assembly 33, and reduces the possibility that the third driving assembly 33 is damaged under the action of external force.

Referring to fig. 6, in order to slidably connect the extrusion head 31 and the second placing seat 34, a first slider 35 is disposed between the extrusion head 31 and the connecting rod 331, an extending direction of the first slider 35 is parallel to an extending direction of the extrusion head 31, the first slider 35 is slidably connected with the second placing seat 34, the first slider 35 is fixedly connected with the extrusion head 31, and the first slider 35 is hinged with the connecting rod 331; the arrangement of the first slider 35 enables the extrusion head 31 and the second placing seat 34 to be connected in a sliding manner, and the smoothness of the sliding of the extrusion head 31 on the second placing seat 34 is ensured.

Referring to fig. 6, in order to enable the first slider 35 and the second placing seat 34 to be slidably connected, two inner walls of the second placing seat 34 opposite to each other are fixedly connected to a third guide rail 36 parallel to the extending direction of the first slider 35, and a third sliding groove for embedding the third guide rail 36 is formed in a side surface of the first slider 35 close to the third guide rail 36; the third guide rail 36 not only enables the first sliding block 35 to be in sliding connection with the second placing seat 34, but also reduces the abrasion of the first sliding block 35 and prolongs the service life; the third sliding groove reduces the possibility of the first sliding block 35 being separated from the third guide rail 36, and ensures the normal operation of the first sliding block 35.

Referring to fig. 4 and 6, in order to enable the extrusion head 31 to extrude and fix headrest rods with different diameters, a second adjusting assembly 8 is arranged at one end of the extrusion head 31, which is far away from the extrusion bending rod 32, the second adjusting assembly 8 comprises a second fixed block 81, a second screw 82 and a fourth guide rail 83, wherein the second fixed block 81 is vertically arranged at one side of the extrusion head 31, which is far away from the extrusion bending rod 32, and is connected to the upper end of the first sliding block 35 through a bolt, the second screw 82 is horizontally arranged, penetrates through the second fixed block 81 and is rotatably connected with the extrusion head 31, and the second screw 82 is in threaded connection with the second fixed block 81; the fourth guide rail 83 is disposed on a central line of the end surface of the extrusion head 31 close to the first slider 35, and is fixedly connected to the extrusion head 31, and a fourth sliding groove for allowing the fourth guide rail 83 to slide is disposed on the end surface of the first slider 35 close to the extrusion head 31.

When the headrest rods with different diameters are extruded and fixed by the extrusion head 31 and the extrusion bending rod 32, the second screw 82 is rotated to drive the extrusion head 31 to move along the extension direction of the fourth guide rail 83, so that the headrest rods can be extruded and fixed by the extrusion head 31 and the extrusion bending rod 32; by the design, the headrest rods with different diameters can be placed between the extrusion bending rod 32 and the extrusion head 31, so that the headrest rods with different diameters can be bent, and the use diversity is improved.

Referring to fig. 6, in order to drive the second screw 82 to rotate, a second hand wheel 84 is disposed on a side of the second fixing block 81 away from the extrusion head 31, and the second hand wheel 84 is coaxial and fixedly connected with the second screw 82.

Referring to fig. 4, the bending device 4 includes a bending head 41, a fourth driving member 42, a third placing seat 43 and a rotating assembly 44, wherein the third placing seat 43 is disposed on a side of the second placing seat 34 away from the first placing seat 1 and is rotatably connected to the second placing seat 34, the bending head 41 and the fourth driving member 42 are both disposed on the third placing seat 43, the fourth driving member 42 is disposed below the bending head 41, the bending head 41 is slidably connected to the third placing seat 43, and a third arc-shaped placing groove 411 is disposed on an end surface of the bending head 41 close to the squeezing bending rod 32; the rotating assembly 44 is disposed below the third placing seat 43.

After the headrest rods are extruded and fixed, the fourth driving part 42 is started to drive the bending head 41 to move towards the direction close to the extrusion bending rod 32, and then the rotating component 44 is started to drive the third placing seat 43 to rotate along the extrusion bending rod 32; the arranged bending device 4 realizes automatic bending of the headrest rod, reduces labor intensity and improves production efficiency; the third arc-shaped placing groove 411 is convenient for placing the headrest rods, the possibility that the headrest rods are damaged by the bending heads 41 in the bending process is reduced, and the integrity of the headrest rods is guaranteed.

Referring to fig. 4, the third placing seat 43 is hollow, and both the upper end and the lower end are open, the fourth driving element 42 is disposed in the third placing seat 43 and hinged to the third placing seat 43, the fourth driving element 42 may be a hydraulic cylinder, a pneumatic cylinder, or the like, in this embodiment, the fourth driving element 42 is a hydraulic cylinder, the free end of the piston rod in the hydraulic cylinder is hinged to the bending head 41, and the cylinder body of the hydraulic cylinder is hinged to the third placing seat 43.

When the headrest rod is bent and fixed, the fourth driving piece 42 is started, and under the action of the piston rod of the fourth driving piece 42, the bending head 41 slides along the extending direction of the third placing seat 43, so that the bending and fixing of the headrest rod can be realized; the fourth driving piece 42 is arranged to realize the bending fixation of the headrest rod, so that the possibility of deviation of the headrest rod during bending is reduced, and the machining precision of the headrest rod is ensured; the arrangement of the third placement seat 43 provides a protective effect for the fourth drive member 42, reducing the possibility of damage to the fourth drive member 42 under the influence of external forces.

Referring to fig. 4, in order to enable the bending head 41 to be slidably connected with the third placing seat 43, a second slider 45 is disposed between the bending head 41 and the fourth driving member 42, an extending direction of the second slider 45 is parallel to an extending direction of the bending head 41, the second slider 45 is slidably connected with the third placing seat 43, the second slider 45 is fixedly connected with the bending head 41, and the second slider 45 is hinged to a free end of the fourth driving member 42; the arrangement of the second slider 45 enables the bending head 41 and the third placing seat 43 to be connected in a sliding manner, and the sliding stability of the bending head 41 on the third placing seat 43 is guaranteed.

Referring to fig. 4, in order to enable the bending head 41 to bend and fix headrest rods with different diameters, a third adjusting assembly 9 is arranged at one end of the bending head 41, which is far away from the extrusion bending rod 32, and the third adjusting assembly 9 includes a third fixing block 91, a third screw 92 and a fifth guide rail 93, wherein the third fixing block 91 is vertically arranged at one side of the bending head 41, which is far away from the extrusion bending rod 32, and is connected to the upper end of the second slider 45 through a bolt, the third screw 92 is horizontally arranged, penetrates through the third fixing block 91 and is rotatably connected with the bending head 41, and the third screw 92 is in threaded connection with the third fixing block 91; the fifth guide rail 93 is disposed on a central line of the bending head 41 near the end surface of the second slider 45, and is fixedly connected to the bending head 41, and a fifth sliding groove for allowing the fifth guide rail 93 to slide is disposed on the end surface of the second slider 45 near the bending head 41.

When headrest rods with different diameters are bent and fixed by the bending head 41 and the extrusion bending rod 32, the third screw 92 is rotated to drive the bending head 41 to move along the extending direction of the fifth guide rail 93, so that the headrest rods can be bent and fixed by the bending head 41 and the extrusion bending rod 32; due to the design, the headrest rods with different diameters can be placed between the bending head 41 and the extrusion bending rod 32, so that the headrest rods with different diameters can be bent, and the use diversity is improved.

Referring to fig. 4, in order to facilitate driving the third screw 92 to rotate, a third hand wheel 94 is disposed on a side of the third fixing block 91 away from the bending head 41, and the third hand wheel 94 is coaxial with and fixedly connected to the third screw 92.

Referring to fig. 4, the rotating assembly 44 includes a fixed shaft (not shown), a first chain wheel 441, a chain 433, a second chain wheel 443, and a fifth driving member 444, wherein the fixed shaft is disposed in the second placing base 34 and the third placing base 43 and is coaxial with the squeezing bending rod 32, the fixed shaft is rotatably connected to the second placing base 34 and is fixedly connected to the third placing base 43; the first chain wheel 441 is coaxial with and fixedly connected to the outer peripheral surface of the lower end of the fixed shaft, the chain 433 is wound around the outer side of the first chain wheel 441 and meshed with the first chain wheel 441, and the second chain wheel 443 is arranged on one side of the first chain wheel 441 and meshed with the chain 433; the output shaft of the fifth driving member 444 is coaxial with the second sprocket 443, and the second sprocket 443 is fixedly connected to the output shaft of the fifth driving member 444; the fifth driving element 444 may employ a driving motor, a hydraulic motor, or the like, and in the present embodiment, the fifth driving element 444 employs a hydraulic motor.

When the headrest rod is bent, the fifth driving element 444 is started to drive the second chain wheel 443 to rotate, the fixing rod 211 rotates along with the chain 433 and the first chain wheel 441, and the fixing rod 211 is rotatably connected with the second placing seat 34 and fixedly connected with the third placing seat 43, so that the third placing seat 43 rotates along the axis of the fixing rod 211 under the action of the fixing rod 211, and the headrest rod is bent; the rotating assembly 44 is arranged to realize automatic bending of the headrest rod, so that the labor intensity is reduced, and the production efficiency is improved.

Referring to fig. 1 and 7, a control device 10 is disposed on the first placing seat 1, the control device 10 includes a controller 101 and a starting pedal 102, where the controller 101 may adopt a single chip microcomputer, a PLC, etc., in this embodiment, the controller 101 adopts a PLC, the starting pedal 102 is disposed below the second placing seat 34 and is fixedly connected to the ground, the controller 101 is electrically connected to the starting pedal 102, and the first driving member 224, the second driving member 54, the third driving member 332, the fourth driving member 42, and the fifth driving member 444 are electrically connected to the controller 101.

When the headrest rod is bent, a worker steps on the start pedal 102 by feet to feed back a start signal to the controller 101, the controller 101 drives the first driving part 224, the second driving part 54, the third driving part 332, the fourth driving part 42 and the fifth driving part 444 to start, and the specific operation process is as follows: firstly, a worker inserts a headrest rod into a first fixing hole and a second fixing hole, then steps on a starting pedal 102, a first driving piece 224 drives the headrest rod to move towards a direction close to an extrusion head 31, after the headrest rod moves for a certain distance, a third driving piece 332 drives the extrusion head 31 to move towards a direction close to an extrusion bending rod 32, a fourth driving piece 42 drives a bending head 41 to move towards the direction close to the extrusion bending rod 32, and then a fifth driving piece 444 drives a fixing rod 211 to rotate, so that a third placing seat 43 is driven to rotate along the fixing rod 211, and the headrest rod is bent; then, the worker steps on the start pedal 102 again, the second driving part 54 drives the headrest rod to rotate, the third driving part 332 drives the extrusion head 31 to move in the direction far away from the extrusion bending rod 32, the fourth driving part 42 drives the bending head 41 to move in the direction far away from the extrusion bending head 41, the fifth driving part 444 drives the third placing seat 43 to reset, and finally, the steps are repeated to complete the processing and forming of the headrest rod; the control device 10 greatly improves the convenience of operation and further improves the production efficiency; the controller 101 and the start pedal 102 are arranged to realize automation of operation, so that the workload of workers walking back and forth to start the first driving piece 224, the second driving piece 54, the third driving piece 332, the fourth driving piece 42 and the fifth driving piece 444 is reduced, and the production efficiency is improved.

The embodiment of the application also discloses a headrest rod bending method, a part of steps are executed by using the headrest rod bending system, and the headrest rod bending method comprises the following steps:

s1, discharging: inserting the headrest rods into the fixed head 212 and actuating the first drive member 224;

s2, feeding; the first driving member 224 moves the headrest rod into the second arc-shaped placing groove 321 of the squeezing bending rod 32, and starts the third driving member 332 and the fourth driving member 42;

s3, fixing: s3-1, the third driving element 332 drives the extrusion head 31 to move towards the direction close to the extrusion bending rod 32 until the headrest rod is placed in the first arc-shaped placing groove 311; s3-2: the fourth driving component 42 drives the bending head 41 to move towards the direction close to the extrusion bending rod 32 until the headrest rod is placed in the third arc-shaped placing groove 411; s3-3: activating the fifth driver 444;

s4, bending: the fifth driving element 444 drives the third placing seat 43 to rotate along the axis of the extrusion bending rod 32, and starts the second driving element 54, the third driving element 332, the fourth driving element 42 and the fifth driving element 444;

s5, resetting: the second driving part 54 drives the headrest rod to rotate, the third driving part 332 drives the extrusion head 31 to move towards the direction far away from the extrusion bending rod 32, the fourth driving part 42 drives the bending head 41 to move towards the direction far away from the extrusion bending rod 32, and the fifth driving part 444 drives the third placing seat 43 to rotate along the axis of the extrusion bending rod 32, so that the resetting is realized;

s6, repeating: and repeating the steps S1-S5 to complete the machining and forming of the headrest rod.

The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.

Claims (5)

1. The utility model provides a headrest pole system of bending which characterized in that: the device comprises a first placing seat (1), a fixing device (2) arranged on the first placing seat (1), and an extruding device (3) and a bending device (4) which are arranged on one side of the first placing seat (1), wherein the bending device (4) is rotationally connected with the extruding device (3);

the fixing device (2) comprises a fixing component (21) and a first driving component (22), wherein the first driving component (22) comprises a lead screw (221) which is arranged on the first placing seat (1) and is rotatably connected with the first placing seat (1), a lead screw nut (222) which is arranged on the lead screw (221) and is in threaded connection with the lead screw (221), first guide rails (223) which are arranged on two sides of the lead screw (221) and are fixedly connected on the first placing seat (1), and a first driving piece (224) which is arranged at one end of the lead screw (221); the screw nut (222) is in sliding connection with the first guide rail (223);

the fixing assembly (21) comprises a fixing rod (211) arranged on one side of the lead screw nut (222) and a fixing head (212) arranged at one end, far away from the lead screw nut (222), of the fixing rod (211); the fixing head (212) is provided with a first fixing hole for inserting the headrest rod, the fixing rod (211) is provided with a second fixing hole for inserting the headrest rod, and the first fixing hole and the second fixing hole are coaxial;

the fixing rod (211) is rotationally connected with the screw nut (222); a second driving assembly (5) is arranged above the lead screw nut (222), the second driving assembly (5) comprises a rotating rod (51) which is arranged at one end, far away from the fixed head (212), of the fixed rod (211) and is fixedly connected with the fixed rod (211), a first gear (52) which is arranged at one end, far away from the fixed rod (211), of the rotating rod (51) and is fixedly connected with the rotating rod (51), a second gear (53) which is arranged on one side of the first gear (52) and is meshed with the first gear (52), and a second driving piece (54) which is arranged on one side of the second gear (53) and is fixedly connected with the second gear (53);

the extrusion device (3) comprises an extrusion head (31), an extrusion bending rod (32), a third driving assembly (33) and a second placing seat (34), and the extrusion head (31), the third driving assembly (33) and the extrusion bending rod (32) are all arranged on the second placing seat (34); the extrusion head (31) is in sliding connection with the second placing seat (34), the sliding direction of the extrusion head is perpendicular to that of the fixing component (21), the extrusion bending rod (32) is vertically arranged on one side of the extrusion head (31) and is connected with the second placing seat (34), and the second placing seat (34) is fixedly connected with the first placing seat (1);

the third driving assembly (33) comprises a connecting rod (331) which is arranged below the extrusion head (31) and hinged with the extrusion head (31) and a third driving piece (332) which is vertically arranged below the connecting rod (331) and hinged with the connecting rod (331), the free end of the third driving piece (332) is hinged with the lower end of the connecting rod (331), and the third driving piece (332) is fixedly connected with the first placing seat (1);

the bending device (4) comprises a bending head (41), a third placing seat (43), a fourth driving part (42) and a rotating assembly (44), the bending head (41) and the fourth driving part (42) are both arranged on the third placing seat (43), the bending head (41) is in sliding connection with the third placing seat (43), and the third placing seat (43) is in rotating connection with the second placing seat (34);

the rotating assembly (44) comprises a fixed shaft vertically arranged in the second placing seat (34) and the third placing seat (43) and rotatably connected with the second placing seat (34), the fixed shaft is fixedly connected with the third placing seat (43), a first chain wheel (441) arranged on the fixed shaft and fixedly connected with the fixed shaft, a chain (442) wound on the outer side of the first chain wheel (441) and meshed with the first chain wheel (441), a fifth driving piece (444) arranged below the second placing seat (34) and a second chain wheel (443) arranged on an output shaft of the fifth driving piece (444) and meshed with the chain (442).

2. The headrest rod bending system according to claim 1, wherein: the controller (101) is arranged on the first placing seat (1), the starting pedal (102) is arranged on one side of the first placing seat (1), the first driving piece (224) is electrically connected with the controller (101), the starting pedal (102) is electrically connected with the controller (101), the second driving piece (54) is electrically connected with the controller (101), the third driving piece (332) is electrically connected with the controller (101), the fourth driving piece (42) is electrically connected with the controller (101), and the fifth driving piece (444) is electrically connected with the controller (101).

3. The headrest rod bending system according to claim 1, wherein: the free end of the fourth driving part (42) is hinged with the bending head (41), and the fourth driving part (42) is hinged with the second placing seat (34).

4. The headrest rod bending system according to claim 1, wherein: the end surface of the extrusion head (31) close to the extrusion bending rod is provided with a first arc-shaped placing groove (311); the side surface of the extrusion bending rod close to the extrusion head (31) and two adjacent side surfaces are respectively provided with a second arc-shaped placing groove (321); the end surface of the bending head (41) close to the extrusion bending rod is provided with a third arc-shaped placing groove (411).

5. A headrest rod bending method is characterized in that: performing some of the steps using the headrest rod bending system of any of claims 1-4, the headrest rod bending method comprising:

s1, discharging: fixing the headrest rod by using a fixing component (21), and starting a first driving component (22);

s2, feeding: the first driving component (22) moves the headrest rod to the position of the extrusion bending rod (32), and the third driving component (33) and the fourth driving component (42) are started;

s3, fixing: s3-1: the third driving component (33) drives the extrusion head (31) to move towards the direction close to the extrusion bending rod (32) until the extrusion head (31) is abutted against the headrest rod; s3-2: the fourth driving piece (42) drives the bending head (41) to move towards the direction close to the extrusion bending rod (32) until the bending head (41) is abutted against the headrest rod; s3-3: activating a rotating assembly (44);

s4, bending: the rotating assembly (44) drives the third placing seat (43) to rotate;

s5, resetting: the second driving component (5) drives the headrest rod to rotate, the fourth driving component (42) drives the bending head (41) to move towards the direction far away from the extrusion bending head (41), and the rotating component (44) drives the third placing seat (43) to rotate, so that resetting is realized;

s6, repeating: and repeating the steps S1-S5 to complete the machining and forming of the headrest rod.

Images