Full-automatic loading and core-pulling device for high-precision forming of pipe material

Abstract

The application discloses a full-automatic feeding and core-penetrating drawing device for high-precision forming of pipe blanks, which comprises an automatic head striking mechanism, a quantitative conveying mechanism, a drawing mechanism and a core-penetrating mechanism. The core-penetrating mechanism comprises a core-penetrating base, a core-penetrating swing arm, a core-penetrating rope, a core-penetrating slide and a core-removing slide. One end of the core-penetrating rope is fixed on the core-removing slide, and the other end is threaded on the core-penetrating slide. The core-penetrating swing arm can swing to one side of the feeding piece or one side of the drawing hole relative to the core-penetrating base. The core-penetrating slide is provided with a core-penetrating clamp for clamping the pipe piece. The core-penetrating slide and the core-removing slide can move back and forth along the core-penetrating swing arm. The core-penetrating mechanism is configured, and the core-penetrating mechanism is provided with the core-penetrating swing arm which can swing to one side of the feeding piece or one side of the drawing hole, the core-penetrating slide which can thread the core-penetrating rope into the pipe piece by moving backward along the core-penetrating swing arm, and the core-removing slide which can move forward synchronously with the core-penetrating slide and make the core-penetrating rope move forward with the pipe piece. During the pipe drawing process, the pipe piece is stably not sunk and has good drawing quality due to the support of the core-penetrating rope.

Description

Technical Field

[0001] This invention relates to the field of pipe stretching equipment technology, and in particular to a fully automatic feeding, core-threading and drawing device for high-precision forming of pipe materials. Background Technology

[0002] A tube stretching machine is a device used to stretch aluminum tubes to extend their length. Existing tube stretching machines include a base and a clamp. The base has a stretching hole, the diameter of which is slightly smaller than the outer diameter of the tube to be stretched. During stretching, part of the tube passes through the stretching hole, and the clamp holds the portion of the tube that passes through the hole, dragging the tube along the base to achieve the stretching. Because the tube is relatively long, the middle of the tube tends to sink during the stretching process, resulting in poor stretching quality. Summary of the Invention

[0003] The purpose of this invention is to provide a fully automatic feeding, core-threading, and drawing device for high-precision forming of tubes, so as to solve the problem that the middle part of the tube tends to sink easily during the existing tube drawing process, resulting in poor tube drawing quality.

[0004] This invention is achieved through the following technical solution:

[0005] A fully automated feeding, mandrel drawing device for high-precision tube forming includes:

[0006] Automatic heading mechanism;

[0007] A quantitative conveying mechanism having a feeding component for conveying pipe fittings;

[0008] A drawing mechanism having a drawing hole for inserting a fitting;

[0009] The core-piercing mechanism includes a core-piercing base, a core-piercing swing arm, a core-piercing rope, a core-piercing slide, and a core-removing slide. The core-piercing slide and the core-removing slide are opposite each other on the core-piercing swing arm, with the core-piercing slide in front and the core-removing slide in the back. One end of the core-piercing rope is fixed on the core-removing slide and the other end passes through the core-piercing slide.

[0010] The core-piercing slide and the core-removing slide can move back and forth along the core-piercing swing arm. The core-piercing swing arm can swing relative to the core-piercing base to the side of the feeding component or to the side of the drawing hole. When the core-piercing swing arm swings to the side of the feeding component, the core-piercing slide drags the tube backward so that the core-piercing rope passes through the tube. When the core-piercing swing arm swings to the side of the drawing hole, the core-removing slide moves forward synchronously with the core-piercing slide so that the core-piercing rope follows the tube forward.

[0011] Furthermore, the core-piercing slide has a core-piercing clamp that holds the tube when the core-piercing swing arm swings to one side of the feeder.

[0012] Furthermore, the core-piercing slide is provided with a positioning cylinder behind the core-piercing clamp. The positioning cylinder has a core-piercing hole extending forward and backward. The core-piercing hole allows the pipe to be inserted when the core-piercing swing arm swings to one side of the feeding component. The core-piercing slide is provided with a core-piercing ring behind the positioning cylinder, and the core-piercing rope is threaded through the core-piercing ring.

[0013] Furthermore, the core-piercing base is provided with a swing mechanism that drives the core-piercing swing arm to swing up and down. The swing mechanism includes a support arm, a drive cylinder and a connecting member. The support arm extends upward from the core-piercing base, the drive cylinder is located on the support arm, and the connecting member is located on the output shaft of the drive cylinder and connected to the core-piercing swing arm.

[0014] Furthermore, the core-piercing clamp has two core-piercing chucks facing each other, the core-piercing slide is provided with driving teeth, and the core-piercing chuck is provided with a rack that meshes with the driving teeth. The rack extends to the left and right, and the two core-piercing chucks move closer to or further away from each other when the driving teeth rotate.

[0015] Furthermore, the pulling mechanism includes a pulling base, a pulling slide, and a pulling clamp. The pulling base is located in front of the through-core base and has the pulling hole. The pulling slide is located in front of the pulling hole and can move back and forth along the pulling base. The pulling clamp is located on the pulling slide and is used to clamp the pipe passing through the pulling hole.

[0016] Furthermore, the pulling clamp has two left and right opposing pulling chucks, and the pulling slide has an adjusting hole with a diameter that gradually increases from back to front. The two pulling chucks can move back and forth along the adjusting hole. The side of any pulling chuck facing away from the other pulling chuck is obliquely pushed against the wall of the adjusting hole, so that the distance between the two pulling chucks gradually increases as the two pulling chucks move forward. The pulling slide is provided with a pressing member between the two pulling chucks that can move downward to press against the pipe.

[0017] Furthermore, the drawing base is provided with a unloading mechanism, which can push the pipe away from the drawing base in the left and right directions. The unloading mechanism includes a vertical arm, a horizontal arm, and a pushing block. The vertical arm is provided on the drawing base and extends vertically, the horizontal arm is provided on the vertical arm and extends horizontally, and the pushing block is slidably connected to the horizontal arm. The vertical arm can rotate relative to the drawing base so that the horizontal arm is parallel to the drawing base or perpendicular to the drawing base. When the horizontal arm is perpendicular to the drawing base, the pushing block can move along the horizontal arm to push the pipe away from the drawing base.

[0018] Furthermore, the quantitative conveying mechanism includes a feeding assembly and a feeding assembly. The feeding assembly has a feeding frame group and a guide frame. The feeding frame group has a storage channel and a feeding port. The storage channel is used to store pipe fittings. The feeding port is connected to the storage channel. The guide frame is rotatably connected to the feeding frame group for opening and closing the feeding port. The feeding assembly has a feeding frame, a feeding belt and the feeding component. The feeding belt is disposed on the feeding frame for receiving pipe fittings falling from the feeding port and conveying the pipe fittings to the feeding component.

[0019] Furthermore, the automatic heading mechanism includes a housing and extrusion members. The housing has a receiving cavity and an external insertion hole. The external insertion hole allows the pipe to extend into the receiving cavity. There are several extrusion members, which are housed in the receiving cavity and arranged sequentially around the external insertion hole to form an extrusion hole communicating with the external insertion hole. Each extrusion member can translate relative to the housing. When any extrusion member translates, it drives all other extrusion members to translate and adjust the size of the extrusion hole.

[0020] The advantage of this technical solution is that by configuring a core-threading mechanism, the core-threading mechanism has a core-threading swing arm that can swing to the side of the feeding part or the side of the drawing hole, a core-threading slide that moves backward along the core-threading swing arm to thread the core-threading rope into the pipe fitting, and a core-removing slide that moves forward synchronously with the core-threading slide to make the core-threading rope follow the pipe fitting forward. This ensures that the pipe fitting is stable and does not sink during the drawing process due to the support of the core-threading rope, resulting in excellent drawing quality. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0023] Figure 1 This is a three-dimensional fully automatic feeding, mandrel drawing device for high-precision tube forming disclosed in the embodiments. Figure 1 (The through-core swing arm swings to the side of the feeding part);

[0024] Figure 2 This is a three-dimensional fully automatic feeding, mandrel drawing device for high-precision tube forming disclosed in the embodiments. Figure 2 (The core-piercing swing arm moves to the side of the drawing hole);

[0025] Figure 3 This is a perspective view of the core-piercing mechanism in the embodiment;

[0026] Figure 4 yes Figure 3 A magnified view of a section at point A in the middle;

[0027] Figure 5 yes Figure 3 A magnified view of a section at point B in the middle;

[0028] Figure 6 This is a perspective view of the pulling mechanism in the embodiment;

[0029] Figure 7 yes Figure 6 A magnified view of a section at point C;

[0030] Figure 8 yes Figure 6 A magnified view of a section at point D;

[0031] Figure 9 This is a perspective view of the quantitative conveying mechanism in the embodiment;

[0032] Figure 10 yes Figure 9 A magnified view of a section at point E in the middle;

[0033] Figure 11 This is a cross-sectional view of the quantitative conveying mechanism in the embodiment;

[0034] Figure 12 This is a perspective view of the automatic heading mechanism in the embodiment;

[0035] Figure 13 This is an exploded view of the automatic heading mechanism in the embodiment;

[0036] Figure 14 This is a cross-sectional view of the automatic heading mechanism in the embodiment;

[0037] Figure 15 This is an exploded view of the extrusion component in the embodiment. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Example: Figure 1-15 As shown, the fully automatic feeding, mandrel drawing device for high-precision forming of tubular material includes:

[0040] Automatic heading mechanism 1 includes a housing 101 and an extrusion member 102. The housing 101 has a receiving cavity 103 and an external insertion hole 104. The external insertion hole 104 allows the pipe to extend into the receiving cavity 103. There are several extrusion members 102, which are housed in the receiving cavity 103 and arranged in sequence around the external insertion hole 104 to form an extrusion hole 105 communicating with the external insertion hole 104. Each extrusion member 102 can translate relative to the housing 101. When any extrusion member 102 translates, it drives all extrusion members 102 to translate and adjust the size of the extrusion hole 105.

[0041] The quantitative conveying mechanism 2 includes a feeding component 201 and a feeding component 202. The feeding component 201 has a feeding frame group 203 and a guide frame 204. The feeding frame group 203 has a material storage channel 205 and a feeding port 206. The material storage channel 205 is used to store pipe fittings. The feeding port 206 is connected to the material storage channel 205. The guide frame 204 is rotatably connected to the feeding frame group 203 for opening and closing the feeding port 206. The feeding component 202 has a feeding frame 207, a feeding belt 208 and a feeding component 209. The feeding belt 208 is provided on the feeding frame 207 for receiving pipe fittings falling from the feeding port 206 and conveying the pipe fittings to the feeding component 209.

[0042] The drawing mechanism 3 includes a drawing base 301, a drawing slide 302, and a drawing clamp 303. The drawing base 301 is located in front of the core-piercing base 401 and has a drawing hole 304. The drawing slide 302 is located in front of the drawing hole 304 and can move back and forth along the drawing base 301. The drawing clamp 303 is located on the drawing slide 302 and is used to clamp the pipe fitting that passes through the drawing hole 304.

[0043] The core-piercing mechanism 4 includes a core-piercing base 401, a core-piercing swing arm 402, a core-piercing rope 403, a core-piercing slide 404, and a core-removing slide 405. The core-piercing slide 404 and the core-removing slide 405 are positioned opposite each other on the core-piercing swing arm 402, with the core-piercing slide 404 positioned forward and the core-removing slide 405 positioned backward. One end of the core-piercing rope 403 is fixed to the core-removing slide 405, and the other end passes through the core-piercing slide 404. The core-piercing swing arm 402 can swing relative to the core-piercing base 401 to one side of the feeding component 209 or... The core-piercing slide 404 is lowered to the side of the drawing hole 304. The core-piercing slide 404 has a core-piercing clamp 406 that holds the tube when the core-piercing swing arm 402 is swung to the side of the feeding part 209. The core-piercing slide 404 and the core-removing slide 405 can move back and forth along the core-piercing swing arm 402. When the core-piercing slide 404 moves backward, the core-piercing rope 403 passes through the tube. The core-removing slide 405 and the core-piercing slide 404 can move forward synchronously, so that the core-piercing rope 403 moves forward with the tube when the core-piercing swing arm 402 is swung to the side of the drawing hole 304.

[0044] The unloading mechanism 5 can push the pipe fitting away from the pull-out base 301 in the left and right directions.

[0045] When using the fully automatic feeding, core-piercing, and drawing device for high-precision tube forming, the steps are as follows: First, the worker inserts the front end of the tube into the extrusion hole 105, pushes any extruder 102 to move and narrow the extrusion hole 105, squeezing the tube. The front end of the tube becomes flat and thinner due to the extrusion. Next, push any extruder 102 to move and widen the extrusion hole 105, releasing the tube. Then, place the headed tube into the storage channel 205. Next, the guide frame 204 opens the discharge port 206, and the tube falls from the discharge port 206 out of the storage channel 205 onto the feeding belt 208. Then, the feeding belt 208 transports the tube to the feeding component 209. The core-piercing swing arm 402 swings up to one side of the feeding component 209, and the tube... The tube slides along the feeder 209 to the core-piercing slide 404, where the core-piercing clamp 406 holds the tube. Then, the core-piercing slide 404 moves backward to allow the core-piercing rope 403 to pass through the tube. Next, the core-piercing swing arm 402 swings down to the side of the pull-out hole 304, and the core-removing slide 405 moves forward synchronously with the core-piercing slide 404 to allow the front end of the tube to pass through the pull-out hole 304. Then, the pull-out clamp 303 holds the tube. Next, the pull-out slide 302 moves forward, and the core-removing slide 405 moves forward synchronously with the core-piercing slide 404 to allow the core-piercing rope 403 to move forward with the tube. After the tube is pulled out, the pull-out clamp 303 releases the tube, and the core-removing slide 405 moves backward to pull the core-piercing rope 403 away from the tube. Finally, the unloading mechanism 5 pushes the tube away from the pull-out base 301.

[0046] It should be noted that during the pipe pulling process, the forward movement speed of the pulling slide 302 is greater than that of the core-removing slide 405 and the core-piercing slide 404, and the inner diameter of the pulling hole 304 is slightly smaller than the outer diameter of the pipe.

[0047] In summary, this embodiment provides a fully automatic feeding, core-threading, and drawing device for high-precision forming of pipes, which solves the problem of easy sinking in the middle and poor drawing quality of existing pipes during the drawing process. This is mainly achieved by configuring a core-threading mechanism 4, which has a core-threading swing arm 402 that can swing to one side of the feeding part 209 or one side of the drawing hole 304, a core-threading slide 404 that moves backward along the core-threading swing arm 402 to thread the core-threading rope 403 into the pipe, and a core-removing slide 405 that moves forward synchronously with the core-threading slide 404 to make the core-threading rope 403 follow the pipe. This ensures that the pipe is stable and does not sink during the drawing process due to the support of the core-threading rope 403, resulting in good drawing quality.

[0048] Meanwhile, the fully automatic feeding, core-threading and pulling device for high-precision forming of the tube is equipped with an automatic heading mechanism 1, which realizes automatic heading of the front end of the tube, making it simple to operate and highly effective.

[0049] Meanwhile, the fully automatic feeding, core-threading and pulling device for high-precision forming of the tube is equipped with a quantitative conveying mechanism 2, which realizes the quantitative automatic conveying of the tube, and is simple to operate and has high conveying efficiency.

[0050] Meanwhile, the fully automatic feeding, core-threading and pulling device for high-precision forming of the tube is equipped with a discharge mechanism 5, which realizes automatic unloading of the tube, making the operation simple and the unloading efficiency high.

[0051] In this embodiment of the invention, a positioning cylinder 407 is provided behind the core-piercing fixture 406 in the core-piercing slide 404. The positioning cylinder 407 has a core-piercing hole 408 extending front and rear. The core-piercing hole 408 is used for inserting the pipe when the core-piercing swing arm 402 swings to the side of the feeder 209. By configuring the positioning cylinder 407 for inserting the pipe behind the core-piercing fixture 406, the above arrangement ensures stable pipe movement and good core-piercing effect when the core-piercing slide 404 moves backward for core piercing.

[0052] In this embodiment of the invention, a core-piercing slide 404 is provided with a core-piercing ring 409 behind the positioning cylinder 407, and a core-piercing rope 403 is threaded through the core-piercing ring 409. The above arrangement, by providing a core-piercing ring 409 for the core-piercing rope 403 to pass through behind the positioning cylinder 407, makes the core-piercing slide 404 move backward to pierce the core stably and smoothly.

[0053] In this embodiment of the invention, a swing mechanism 410 for driving the core-piercing swing arm 402 to swing up and down is provided on the core-piercing base 401. The swing mechanism 410 includes a support arm 411, a drive cylinder 412, and a connecting member 413. The support arm 411 extends upward from the core-piercing base 401, the drive cylinder 412 is disposed on the support arm 411, and the connecting member 413 is disposed on the output shaft of the drive cylinder 412 and connected to the core-piercing swing arm 402. The above arrangement, by configuring the swing mechanism 410 for driving the core-piercing swing arm 402 to swing up and down on the core-piercing base 401, allows the core-piercing swing arm 402 to swing up to the side of the feed member 209 or down to the side of the drawing hole 304, resulting in stable and smooth driving.

[0054] In this embodiment of the invention, the core-piercing clamp 406 has two left-right opposing core-piercing chucks 414. A drive tooth 415 is provided on the core-piercing slide 404, and a rack 416 meshing with the drive tooth 415 is provided on each core-piercing chuck 414. The rack 416 extends left and right, and the two core-piercing chucks 414 move closer or further apart when the drive tooth 415 rotates. This configuration, by using a gear and rack mechanism to drive the core-piercing chucks 414, ensures stable movement and excellent clamping effect.

[0055] In this embodiment of the invention, the pull clamp 303 has two pull chucks 305 facing each other, and the pull slide 302 has an adjusting hole 306 with a diameter that gradually increases from back to front. The two pull chucks 305 can move back and forth along the adjusting hole 306. The side of any pull chuck 305 facing away from the other pull chuck 305 is obliquely pushed against the wall of the adjusting hole 306. The distance between the two pull chucks 305 gradually increases when they move forward and gradually decreases when they move backward. This arrangement makes the distance between the two pull chucks 305 adjustable, with good adaptability and flexible use.

[0056] In this embodiment of the invention, the pull slide 302 is provided with a pressing member 307 that can move downwards to press against the tube between the two pull clamps 305. The above arrangement, by configuring the pressing member 307 that can move downwards to press against the tube on the pull slide 302, gives the pull clamp 303 a good clamping effect.

[0057] In this embodiment of the invention, the unloading mechanism 5 includes a vertical arm 501, a horizontal arm 502, and a pushing block 503. The vertical arm 501 is disposed on the drawing base 301 and extends vertically, the horizontal arm 502 is disposed on the vertical arm 501 and extends horizontally, and the pushing block 503 is slidably connected to the horizontal arm 502. The vertical arm 501 can rotate relative to the drawing base 301 to make the horizontal arm 502 parallel to or perpendicular to the drawing base 301. When the horizontal arm 502 and the drawing base 301 are perpendicular to each other, the pushing block 503 can move along the horizontal arm 502 to push the pipe away from the drawing base 301. The above configuration involves assembling the unloading mechanism 5 into a vertical arm 501, a horizontal arm 502, and a pushing block 503. The vertical arm 501 can rotate relative to the drawing base 301, causing the horizontal arm 502 to be parallel to or perpendicular to the drawing base 301. When the horizontal arm 502 is perpendicular to the drawing base 301, the pushing block 503 can move along the horizontal arm 502 to push the pipe away from the drawing base 301. This allows the unloading mechanism 5 to push the pipe away from the drawing base 301 in the left and right directions. The structure is simple and easy to implement.

[0058] In this embodiment of the invention, the discharge port 206 and the feeding component 209 are vertically opposite each other, with the discharge port 206 positioned lower and the feeding component 209 positioned higher. The feeding belt 208 is wound around the feeding frame 207, and moves vertically around the feeding frame 207 to transport the pipe fitting to the feeding component 209. This arrangement, by configuring the discharge port 206 and the feeding component 209 vertically opposite each other, ensures smooth pipe fitting transport and a reasonable and compact arrangement of all components.

[0059] In this embodiment of the invention, when the feed guide 204 opens the discharge port 206, it tilts downwards towards the feed belt 208 to guide the pipes that have fallen out of the material storage channel 205 to the feed belt 208. This configuration, by arranging the feed guide 204 to tilt downwards towards the feed belt 208 when the discharge port 206 is opened, ensures stable pipe delivery.

[0060] In this embodiment of the invention, the feeding rack assembly 203 has a feeding rack 210 and a baffle rack 211. The feeding rack 210 and the baffle rack 211 together form a material storage channel 205. The feeding rack 210 has a guiding surface 212 and a dropping surface 213. The guiding surface 212 is inclined from top to bottom toward the baffle rack 211. The dropping surface 213 extends downward from the guiding surface 212 to the feeding port 206. The baffle rack 211 has a baffle surface 214. The baffle surface 214 extends vertically and is arranged opposite to the guiding surface 212 and the dropping surface 213. The above configuration arranges the unloading rack group 203 into an enclosing unloading rack 210 and a baffle rack 211 that form a material storage channel 205. The unloading rack 210 has a guide surface 212 that slopes downward toward the baffle rack 211 and a dropping surface 213 that extends downward from the guide surface 212 to the unloading port 206, which makes the pipe fittings transport smooth.

[0061] In this embodiment of the invention, the baffle 211 can move relative to the unloading frame 210 to adjust the gap between the baffle surface 214 and the unloading surface 213. Specifically, when the baffle 211 moves closer to the unloading frame 210, the gap between the baffle surface 214 and the unloading surface 213 decreases; when the baffle 211 moves away from the unloading frame 210, the gap between the baffle surface 214 and the unloading surface 213 increases. This configuration, by enabling the baffle 211 to move relative to the unloading frame 210 to adjust the gap between the baffle surface 214 and the unloading surface 213, allows the material storage channel 205 to adapt to pipes with different apertures, providing excellent adaptability and flexible use.

[0062] In this embodiment of the invention, the unloading rack 210 is provided with a pusher arm 215. The pusher arm 215 can rotate around its connection point with the unloading rack 210, protruding from or retracting from the guide surface 212. When the pusher arm 215 protrudes from the guide surface 212, it causes the pipe to move towards the baffle 211 or restricts the pipe from moving towards the baffle 211. Specifically, the pusher arm 215 can rotate around its connection point with the loading rack 207, causing its upper or lower end to protrude from the guide surface 212. When the upper end of the pusher arm 215 protrudes from the guide surface 212, it causes the pipe to move towards the baffle 211. When the lower end of the pusher arm 215 protrudes from the guide surface 212, it restricts the pipe from moving towards the baffle 211. The above setup, by configuring a pusher arm 215 on the unloading rack 210 that can raise the guide surface 212 to move the pipe fitting towards the baffle rack 211 or restrict the movement of the pipe fitting towards the baffle rack 211, can accelerate the pushing or interception of the pipe fitting, making the operation flexible and versatile.

[0063] In this embodiment of the invention, the feeding component 209 is inclined backward from top to bottom at an angle to the horizontal plane. This arrangement, by configuring the feeding component 209 to be inclined backward from top to bottom at an angle to the horizontal plane, facilitates the conveying of pipe fittings.

[0064] In this embodiment of the invention, there are several feeding belts 208, which are spaced apart along the length of the pipe fitting. The top line connecting the several feeding belts 208 is at the same angle as the inclination angle of the feeding member 209. This arrangement, by configuring several feeding belts 208, with the top line connecting them at the same angle as the inclination angle of the feeding member 209, facilitates the input of the pipe fitting into the feeding member 209.

[0065] In this embodiment of the invention, the feeding member 209 has a receiving groove 216 for inserting pipe fittings. This configuration, by setting the feeding member 209 to have a receiving groove 216 for inserting pipe fittings, ensures stable material receiving by the feeding member 209.

[0066] In this embodiment of the invention, a support member 217 is provided on the feeding belt 208. The support member 217 is used to support the pipe fittings falling out from the discharge port 206. The support member 217 has a limiting groove 218 for inserting the pipe fittings. The above arrangement, by configuring the support member 217 on the feeding belt 208 and configuring the limiting groove 218 for inserting the pipe fittings on the support member 217, makes the feeding belt 208 stable in receiving materials.

[0067] In this embodiment of the invention, the housing 101 is provided with a driving member 106 for translating the extrusion member 102. There are several driving members 106, each corresponding to one extrusion member 102. Specifically, the driving member 106 includes a pneumatic housing 107 and a pneumatic rod 108. The pneumatic housing 107 is disposed on the outer wall of the housing 101 and communicates with an external air passage. One end of the pneumatic rod 108 is housed within the pneumatic housing 107, and the other end extends into the receiving cavity 103 and connects to the extrusion member 102. This arrangement, by configuring the driving member 106, composed of the pneumatic housing 107 and the pneumatic rod 108, on the housing 101, allows the extrusion member 102 to translate relative to the housing 101. The driving structure is simple and easy to implement.

[0068] In this embodiment of the invention, the extruder 102 has a base 109 and an extrusion portion 110. The base 109 is fixedly connected to the drive member 106, and the extrusion portion 110 is detachably fixedly connected to the base 109. Each extrusion portion 110 can cooperate to form an inner insertion hole (not shown in the figure) for inserting a pipe fitting. The initial state of the extrusion hole 105 when the pipe fitting is inserted is defined as the inner insertion hole, at which time neither the extrusion hole 105 nor the pipe fitting is deformed. By configuring the extruder 102 with a base 109 fixedly connected to the drive member 106 and an extrusion portion 110 detachably fixedly connected to the base 109, the automatic pipe heading machine can adapt to pipe fittings of various diameters by changing the extrusion portion 110, exhibiting excellent adaptability.

[0069] In this embodiment of the invention, an arc-shaped groove 111 is formed on the side of the extrusion part 110 opposite to the base 109, and the inner insertion hole is a round hole that matches the shape of the tube. This arrangement, by providing an arc-shaped groove 111 on the side of the extrusion part 110 opposite to the base 109 and configuring the inner insertion hole as a round hole that matches the shape of the tube, facilitates the insertion of the tube.

[0070] In one embodiment of the invention, a slot 112 is provided on the base 109, and an insert 113 is provided on the pressing part 110 to engage with the slot 112. In other embodiments, the slot 112 is provided on the pressing part 110, and the insert 113 is provided on the base 109. This arrangement, by providing a slot 112 on one of the base 109 and the pressing part 110, and providing an insert 113 to engage with the slot 112 on the other, allows the pressing part 110 to be detachably and fixedly connected to the base 109, facilitating assembly and disassembly.

[0071] In this embodiment of the invention, the slot 112 extends axially in the external insertion hole 104. By configuring the slot 112 to extend axially in the external insertion hole 104, the above arrangement facilitates the assembly and disassembly of the pressing part 110, while preventing the pressing part 110 from disengaging from the base 109 when the pressing part 102 is translated, thus ensuring stable and reliable assembly.

[0072] In this embodiment of the invention, the slot width of the slot 112 gradually widens in the direction away from the pressing part 110, and the insert 113 is shaped to fit the slot 112. By configuring the slot 112 such that its width gradually widens in the direction away from the pressing part 110, the base 109 and the pressing part 110 are stably assembled and not easily loosened.

[0073] In this embodiment of the invention, any two adjacent extruders 102 are obliquely aligned, so that when one extruder 102 moves, it causes all other extruders 102 to move and enlarge or shrink the extrusion holes 105. This arrangement, by configuring several extruders 102 such that any two adjacent extruders 102 are obliquely aligned, allows the movement of one extruder 102 to cause all other extruders 102 to move and enlarge or shrink the extrusion holes 105. The structure is simple and easy to implement.

[0074] In this embodiment of the invention, the housing 101 has a base shell 114 and a cover plate 115, which together form an accommodating cavity 103. The base shell 114 and the cover plate 115 are detachably fixedly connected. Specifically, there are two cover plates 115, which are detachably fixedly connected to the base shell 114 at its front and rear ends. This configuration, by setting the housing 101 as a base shell 114 and two cover plates 115 detachably fixedly connected to the base shell 114 at its front and rear ends, facilitates the assembly of several extruded parts 102 and the replacement of the extrusion section 110.

[0075] It should be understood that the terms "first," "second," etc., are used in this invention to describe various information, but this information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this invention, "first" information can also be referred to as "second" information, and similarly, "second" information can also be referred to as "first" information. In addition, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0076] The above description provides one or more embodiments in conjunction with specific content, and does not imply that the specific implementation of the present invention is limited to these descriptions. Any methods or structures that are similar to or identical to those of the present invention, or any technical deductions or substitutions made based on the concept of the present invention, should be considered as protected by the present invention.

Claims

1. A fully automatic feeding, mandrel drawing device for high-precision tube forming, characterized in that, include: Automatic heading mechanism (1) is used to extrude the end of the pipe fitting; A quantitative conveying mechanism (2) has a feeding element (209) for conveying pipe fittings; The pulling mechanism (3) has a pulling hole (304) for inserting the fitting; The core-piercing mechanism (4) includes a core-piercing base (401), a core-piercing swing arm (402), a core-piercing rope (403), a core-piercing slide (404), and a core-removing slide (405). The core-piercing slide (404) and the core-removing slide (405) are positioned opposite each other on the core-piercing swing arm (402). The core-piercing slide (404) is positioned forward, and the core-removing slide (405) is positioned backward. One end of the core-piercing rope (403) is fixed on the core-removing slide (405), and the other end passes through the core-piercing slide (404). The core-piercing slide (404) and the core-removing slide (405) can move back and forth along the core-piercing swing arm (402). The core-piercing swing arm (402) can swing relative to the core-piercing base (401) to the side of the feeding component (209) or to the side of the pulling hole (304). When the core-piercing swing arm (402) swings to the side of the feeding component (209), the core-piercing slide (404) drags the tube backward so that the core-piercing rope (403) passes through the tube. When the core-piercing swing arm (402) swings to the side of the pulling hole (304), the core-removing slide (405) moves forward synchronously with the core-piercing slide (404) so ​​that the core-piercing rope (403) moves forward with the tube.

2. The fully automatic feeding, mandrel drawing device for high-precision tube forming according to claim 1, characterized in that, The core-piercing slide (404) has a core-piercing clamp (406) that holds the tube when the core-piercing swing arm (402) swings to one side of the feeder (209).

3. The fully automatic feeding, core-threading, and drawing device for high-precision tube forming according to claim 2, characterized in that, The core-piercing slide (404) is provided with a positioning cylinder (407) behind the core-piercing clamp (406). The positioning cylinder (407) has a core-piercing hole (408) extending forward and backward. The core-piercing hole (408) allows the pipe to be inserted when the core-piercing swing arm (402) swings to one side of the feeding part (209). The core slide (404) has a core ring (409) behind the positioning cylinder (407), and the core rope (403) is threaded through the core ring (409).

4. The fully automatic feeding, mandrel drawing device for high-precision tube forming according to claim 2, characterized in that, The core-piercing clamp (406) has two core-piercing chucks (414) facing each other. The core-piercing slide (404) is provided with driving teeth (415). The core-piercing chucks (414) are provided with racks (416) that mesh with the driving teeth (415). The racks (416) extend to the left and right. The two core-piercing chucks (414) move closer to each other or further away from each other when the driving teeth (415) rotate.

5. The fully automatic feeding, mandrel drawing device for high-precision tube forming according to claim 1, characterized in that, The core-piercing base (401) is provided with a swing mechanism (410) for driving the core-piercing swing arm (402) to swing. The swing mechanism (410) includes a support arm (411), a drive cylinder (412) and a connector (413). The support arm (411) extends upward from the core-piercing base (401). The drive cylinder (412) is located on the support arm (411). The connector (413) is located on the output shaft of the drive cylinder (412) and connected to the core-piercing swing arm (402).

6. The fully automatic feeding, mandrel drawing device for high-precision tube forming according to claim 1, characterized in that, The drawing mechanism (3) includes a drawing base (301), a drawing slide (302), and a drawing clamp (303). The drawing base (301) is located in front of the core-piercing base (401) and has the drawing hole (304). The drawing slide (302) is located in front of the drawing hole (304) and can move back and forth along the drawing base (301). The drawing clamp (303) is located on the drawing slide (302) and is used to clamp the pipe passing through the drawing hole (304).

7. The fully automatic feeding, core-threading, and drawing device for high-precision tube forming according to claim 6, characterized in that, The drawing clamp (303) has two drawing chucks (305) facing each other, and the drawing slide (302) has an adjusting hole (306) with a diameter that gradually increases from back to front. The two drawing chucks (305) can move back and forth along the adjusting hole (306). The side of any drawing chuck (305) facing away from the other drawing chuck (305) is obliquely pushed against the wall of the adjusting hole (306), so that the distance between the two drawing chucks (305) gradually increases as the two drawing chucks (305) move forward. The pull slide (302) is provided with a pressing member (307) between the two pull clamps (305) that can move downward to press against the tube.

8. The fully automatic feeding, mandrel drawing device for high-precision tube forming according to claim 6, characterized in that, The drawing base (301) is provided with a discharge mechanism (5). The discharge mechanism (5) can push the pipe away from the drawing base (301) in the left and right directions. The discharge mechanism (5) includes a vertical arm (501), a horizontal arm (502), and a pushing block (503). The vertical arm (501) is provided on the drawing base (301) and extends vertically. The horizontal arm (502) is provided on the vertical arm (501) and extends horizontally. The pushing block (503) The block (503) is slidably connected to the horizontal arm (502). The vertical arm (501) can rotate relative to the drawing base (301) so that the horizontal arm (502) is parallel to or perpendicular to the drawing base (301). When the horizontal arm (502) is perpendicular to the drawing base (301), the pushing block (503) can move along the horizontal arm (502) to push the pipe away from the drawing base (301).

9. The fully automatic feeding, mandrel drawing device for high-precision tube forming according to claim 1, characterized in that, The quantitative conveying mechanism (2) includes a feeding assembly (201) and a feeding assembly (202). The feeding assembly (201) has a feeding rack group (203) and a guide rack (204). The feeding rack group (203) has a material storage channel (205) and a feeding port (206). The material storage channel (205) is used to store pipe fittings. The feeding port (206) is connected to the material storage channel (205). The guide rack (204) is rotatably connected to the feeding rack group (203) for opening and closing the feeding port (206). The feeding assembly (202) has a feeding rack (207), a feeding belt (208), and a feeding component (209). The feeding belt (208) is provided on the feeding rack (207) for receiving pipe fittings falling from the feeding port (206) and conveying the pipe fittings to the feeding component (209).

10. The fully automatic feeding, mandrel drawing device for high-precision tube forming according to claim 1, characterized in that, The automatic heading mechanism (1) includes a housing (101) and an extrusion member (102). The housing (101) has a receiving cavity (103) and an external insertion hole (104). The external insertion hole (104) allows the pipe to extend into the receiving cavity (103). There are several extrusion members (102). Several extrusion members (102) are housed in the receiving cavity (103) and are arranged in sequence around the external insertion hole (104) to form an extrusion hole (105) communicating with the external insertion hole (104). Each extrusion member (102) can translate relative to the housing (101). When any extrusion member (102) translates, it drives all extrusion members (102) to translate and adjust the size of the extrusion hole (105).

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