CN116174514A - A hydraulic cold drawing machine that automatically transfers mandrels - Google Patents

Abstract

The invention discloses a hydraulic cold drawing machine capable of automatically conveying a core rod, which relates to the technical field of hydraulic cold drawing equipment and solves the problems that in the hydraulic cold drawing machine in the prior art, a worker is required to operate a traveling crane to hang back the core rod, the operation is complicated and the efficiency is low; the automatic lifting core rod assembly consists of a core rod grabbing mechanism, a core rod lifting mechanism, a core rod moving mechanism and an operating platform.

Description

A hydraulic cold drawing machine that automatically transfers mandrels

technical field

The invention relates to the technical field of hydraulic cold drawing equipment, in particular to a hydraulic cold drawing machine for automatically transferring mandrels.

Background technique

According to the structure of the bed, the cold drawing machine can be roughly divided into three separate types and frame type. According to the transmission mode, it can be divided into various types of drawing machines such as chain type, hydraulic transmission type, rack type, and screw type. Machines, hydraulic transmission cold drawing machines are generally driven by hydraulic pressure.

At present, in the process of hydraulic cold drawing of stainless steel, the mandrel is generally first installed on the mold, and then the mandrel is pushed into the steel pipe by the push rod. Mandrel, the die at the end of the mandrel penetrates into the steel pipe under the pulling force of the hydraulic cylinder, and the steel pipe is forcibly expanded until the die passes through the other end of the steel pipe, and the chuck trolley releases the mandrel. The rod is hoisted back to the feed end, and the operation of the previous step is repeated. However, in the hydraulic cold drawing machine of the prior art, a staff member is required to operate the crane to hoist the mandrel back. The operation is more complicated and the efficiency is lower. To this end, we propose a hydraulic cold drawing machine that automatically transfers mandrels.

Contents of the invention

The purpose of the present invention is to provide a hydraulic cold drawing machine capable of automatically transporting mandrels, which can improve the mechanical structure, add an automatic hoisting mandrel device, improve the working efficiency of the equipment, and improve the degree of automation, so that one person can operate one machine before it can be upgraded to Two sets can be operated at the same time to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a hydraulic cold drawing machine for automatically transferring the mandrel, including a machine body and a mandrel body, a crossbeam is arranged directly above the machine body, and a crossbeam is installed on the crossbeam The mandrel body is automatically conveyed and hoisted back to the automatic hoisting mandrel assembly at the feed end of the body; the automatic hoisting mandrel assembly is composed of a mandrel grabbing mechanism, a mandrel lifting mechanism, a mandrel moving mechanism and a control console. The mandrel grabbing mechanism is symmetrically provided with two groups, and the mandrel grabbing mechanism of the two groups is used to clamp and fix the mandrel body, and the mandrel lifting mechanism is arranged at the center of the mandrel grabbing mechanism. At the top, the mandrel moving mechanism is arranged on the top of the mandrel lifting mechanism, the output end of the mandrel lifting mechanism is connected to the mandrel grasping mechanism, and the output end of the mandrel moving mechanism is connected to the mandrel lifting mechanism. The beam is connected by transmission, and the control console is arranged on the front side of the machine body, and it is used to control the mandrel grasping mechanism, the mandrel lifting mechanism and the mandrel moving mechanism to automatically work.

Preferably, the mandrel grabbing mechanism includes a first installation plate, an installation box, a fixed clamp block, a movable clamp block, a first fixed block, a pusher and a first driver, and the installation box is fixed on the first On the top of the mounting plate, the fixed clamping block is fixed at the middle position of the bottom of the first mounting plate, and two groups of the moving clamping block, the first fixing block and the pusher are arranged symmetrically, and the first fixing block of the two groups The blocks are all fixed on the bottom of the first mounting plate, the movable clamping block is fixedly connected to the output end of the pusher, and the two sets of pushers are respectively movably installed on both sides of the first mounting plate, so The first driving member is installed inside the installation box, and the output end of the mandrel lifting mechanism is connected to the top of the installation box by transmission.

Preferably, the pusher includes a moving rod, a connecting block, a rotating rod, a spring and an ear seat, the moving clamping block is fixedly connected to the moving rod through the connecting block, and the moving rod is connected to the first fixed The two ends of the spring are respectively fixedly connected with the connecting block and the first fixed block, the moving rod is sleeved on the inner side of the spring, and one end of the rotating rod is connected with the connecting block The ear seat is fixed on one end of the first mounting plate, the middle part of the rotating rod is connected to the ear seat in rotation, and the output end of the first driving member is drivingly connected to the rotating rod.

Preferably, the first driving member includes a first driving motor, a first motor fixing frame, a first rotating shaft, a first spur gear, a first limit plate, a first push rod and a second push rod, the first The drive motor is fixedly connected to the inner top of the installation box through the first motor fixing bracket, the first rotating shaft is fixed to the output end of the first drive motor, and the first spur gear is fixedly sleeved on the The outer side of the first rotating shaft, the top of the first limiting plate is fixed inside the installation box, one end of the first rotating shaft is rotatably connected with the first limiting plate through a bearing, the first The push rod and the second push rod are respectively arranged on the upper and lower sides of the first spur gear, and the first push rod and the second push rod are provided with a plurality of evenly distributed tooth grooves. The upper and lower ends of the first spur gear are meshed with the first push rod and the second push rod respectively through the tooth grooves, and the ends of the first push rod and the second push rod are respectively connected to the The two sides of the installation box are slidably connected, and the first push rod is fixed with a second fixed block at one end outside the installation box, and the bottom of the second fixed block is movably connected with the rotating rod. One end of the two push rods located outside the installation box is movably connected with the other rotating rod.

Preferably, the mandrel lifting mechanism includes a second mounting plate, a U-shaped limit frame, a threaded cylinder, a screw rod, a transmission mechanism and a second driving member, and there are two U-shaped limit frames, and the two The U-shaped limit frame is symmetrically fixed on both sides of the top of the second mounting plate, and round holes are opened at the four corners of the second mounting plate, and a threaded cylinder is installed in each round hole through a bearing. , the screw rod is threadedly connected with the threaded cylinder, the bottom end of the screw rod is fixedly connected with the top of the installation box by screws, the number of the screw rods is set to four, and the transmission mechanism is provided with two group, and two sets of transmission mechanisms are symmetrically installed on the front and rear sides of the second mounting plate, the second drive member is installed in the middle of the second mounting plate and its output end is connected to the transmission mechanism Transmission connection, the front and rear sides of the U-shaped limit frame are fixed with third mounting plates, and the mandrel moving mechanism is installed between the two third mounting plates.

Preferably, the transmission mechanism includes a transmission shaft, both sides of the transmission shaft are equipped with second limit plates through bearings, both ends of the transmission shaft are fixed with driving bevel gears, and the driving bevel gears are meshed and connected There is a driven bevel gear, the driven bevel gear is fixedly sleeved on the outside of the threaded cylinder, the middle position of the transmission shaft is fixedly sleeved with a worm wheel, one side of the worm wheel is meshed with a worm, and the worm's The top is rotatably connected with a third limiting plate through bearings, one end of the third limiting plate is fixedly connected with an L-shaped plate, the bottom of the L-shaped plate is fixed on the second mounting plate, and the bottom of the worm There are two worms symmetrically provided through bearings and the second installation plate are rotatably connected, and the output ends of the second driving member are respectively connected to the bottom ends of the two worms.

Preferably, the second driving member includes a second driving motor, a second motor fixing frame, a second spur gear, a third spur gear and a fourth spur gear, and the second driving motor passes through the second motor fixing frame fixed at the top center of the second mounting plate, the output shaft of the second driving motor is rotatably connected with the second mounting plate through a bearing, the second spur gear, the third spur gear and the fourth spur gear The gears are all arranged at the bottom of the second mounting plate, one end of the middle shaft of the second spur gear is fixedly connected with the output shaft of the second driving motor, and the third spur gear and the fourth spur gear are respectively Engaging on both sides of the second spur gear, one end of the middle shaft of the third spur gear and one end of the middle shaft of the fourth spur gear are respectively fixedly connected to the bottom ends of the two worms.

Preferably, the mandrel moving mechanism includes a rack fixed at the bottom of the beam, the bottom of the rack is meshed with a fifth spur gear, and a second rotating shaft is fixed in the middle hole of the fifth spur gear, so Both ends of the second rotating shaft are rotatably connected to the third mounting plate through bearings, and a third driving motor is fixedly installed on one side of one of the third mounting plates, and one end of the second rotating shaft is connected to the first mounting plate. The output ends of the three driving motors are fixedly connected.

Preferably, the inner side of the beam is movably connected with a limiting wheel, and the axle of the limiting wheel is rotatably connected with the U-shaped limiting frame through a bearing.

Compared with prior art, the beneficial effect of the present invention is:

The present invention optimizes the mechanical structure of the existing hydraulic cold drawing machine and adds an automatic hoisting mandrel assembly to the existing machine body, which can automatically transfer the mandrel to the feeding end of the machine body after the cold drawing operation is completed, thereby improving the working efficiency of the equipment, and Improve the degree of automation, so that one person can operate two machines at the same time.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is the structural representation of automatic hoisting mandrel assembly of the present invention;

Fig. 3 is a schematic structural view of the mandrel grabbing mechanism of the present invention;

Fig. 4 is a structural schematic diagram of the pusher of the present invention;

Fig. 5 is a structural schematic diagram of the first driving member of the present invention;

Fig. 6 is a structural schematic diagram of the mandrel lifting mechanism of the present invention;

Fig. 7 is a structural schematic diagram of the transmission mechanism of the present invention;

Fig. 8 is a schematic structural diagram of a second driving member of the present invention;

Fig. 9 is a schematic structural diagram of the mandrel moving mechanism of the present invention.

In the figure: 1-body; 2-mandrel body; 3-beam; 4-automatic hoisting mandrel assembly; 5-mandrel grabbing mechanism; 6-mandrel lifting mechanism; 7-mandrel moving mechanism; 8-control 10-installation box; 11-fixed clamp block; 12-movable clamp block; 13-first fixed block; 14-propelling member; 15-first driving member; 16-moving rod; 17-connection block; 18-rotating rod; 19-spring; 20-ear seat; 21-first drive motor; 22-first motor fixing frame; 23-first rotating shaft; A limit plate; 26-the first push rod; 27-the second push rod; 28-tooth; 29-the second mounting plate; 30-U type limit frame; -transmission mechanism; 34-second drive member; 35-third mounting plate; 36-transmission shaft; 37-second limit plate; 38-driving bevel gear; 39-driven bevel gear; 40-worm gear; 41- Worm screw; 42-the third limiting plate; 43-L type plate; 44-the second drive motor; 45-the second motor fixing frame; 46-the second spur gear; 47-the third spur gear; 48-the fourth flat Gear; 49-rack; 50-the fifth spur gear; 51-the second rotating shaft; 52-the third driving motor; 53-limiting wheel; 54-the second fixed block.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

As shown in Figures 1 and 2, a hydraulic cold drawing machine for automatically transferring mandrels in the diagram includes a body 1 and a mandrel body 2, a crossbeam 3 is provided directly above the body 1, and a beam 3 is installed on the crossbeam 3. The mandrel body 2 is automatically transported and hoisted back to the automatic hoisting mandrel assembly 4 at the feed end of the machine body 1; the automatic hoisting mandrel assembly 4 is composed of a mandrel grabbing mechanism 5, a mandrel lifting mechanism 6, a mandrel moving mechanism 7 and a console 8 components, the mandrel grabbing mechanism 5 is symmetrically provided with two groups, the two groups of mandrel grabbing mechanisms 5 are used to clamp and fix the mandrel body 2, and the mandrel lifting mechanism 6 is arranged on the top of the mandrel grabbing mechanism 5 , the mandrel moving mechanism 7 is arranged on the top of the mandrel lifting mechanism 6, the output end of the mandrel lifting mechanism 6 is connected to the mandrel grasping mechanism 5, the output end of the mandrel moving mechanism 7 is connected to the beam 3, and the console 8 is arranged on the front side of the body 1, and it is used to control the mandrel grabbing mechanism 5, the mandrel lifting mechanism 6 and the mandrel moving mechanism 7 to automatically work, and the mandrel grabbing mechanism 5 grabs the mandrel body 2, Then use the mandrel lifting mechanism 6 to lift the grabbed mandrel body 2 to a certain height, then use the mandrel moving mechanism 7 to automatically move the grabbed mandrel body 2 to the top of the feed end of the body 1, and then pass the mandrel The rod lifting mechanism 6 lowers the captured mandrel body 2 to the feed end position, and finally releases the mandrel grabbing mechanism 5 to place the mandrel body 2 on the feed end of the machine body 1, which can be automatically drawn after the cold drawing operation is completed. Transfer the mandrel to the feeding end of the machine body 1, so as to improve the working efficiency of the equipment, and improve the degree of automation, so that one person can operate one machine at the same time and can operate two machines at the same time.

The console 8 here has a controller of the control system, and the control system includes a plc processor, a detection module and a servo system, wherein the plc processor, the detection module and the servo system are all prior art, and its operating principle is no longer described here Too much to repeat.

Wherein, as shown in Figure 3, in order to be able to grab the mandrel body 2, the mandrel grabbing mechanism 5 includes a first mounting plate 9, a mounting box 10, a fixed clamp block 11, a movable clamp block 12, a first fixed block 13. The pusher 14 and the first driver 15, the installation box 10 is fixed on the top of the first installation plate 9, the fixed clamp block 11 is fixed at the bottom middle position of the first installation plate 9, the movable clamp block 12, the first fixed block 13 and pusher 14 are all symmetrically provided with two groups, and the first fixed blocks 13 of two groups are all fixed on the bottom of the first installation plate 9, and the output end of movable clamp block 12 and pusher 14 is fixedly connected, and two groups of pusher 14 respectively It is movably installed on both sides of the first mounting plate 9, and the first drive member 15 is installed inside the installation box 10. The group of pushers 14 move with each other, thereby driving the two movable clamping blocks 12 to move closer to each other, and cooperate with the clamping action of the fixed clamping block 11 to clamp and fix the mandrel body 2 .

Simultaneously, as shown in Figure 4, in order to facilitate the movement of control movable clamp block 12, pusher 14 comprises moving bar 16, connecting block 17, rotating bar 18, spring 19 and lug seat 20, and moving clamping block 12 connects with connecting block 17 and The moving rod 16 is fixedly connected, the moving rod 16 is slidingly socketed with the first fixed block 13, the two ends of the spring 19 are respectively fixedly connected with the connecting block 17 and the first fixed block 13, the moving rod 16 is sleeved on the inner side of the spring 19, and the rotating rod One end of 18 is movably connected with the connecting block 17, the ear seat 20 is fixed at one end of the first mounting plate 9, the middle part of the rotating rod 18 is connected with the ear seat 20 in rotation, and the output end of the first driving member 15 is transmission connected with the rotating rod 18, Through the first driving member 15, the two rotating rods 18 symmetrically distributed on both sides can be driven to rotate at the same time, and one end of the rotating rod 18 will convert the rotating state into the movement of the moving rod 16, thereby pushing the moving clamp block 12 close to the mandrel body 2 surfaces for clamping.

In addition, as shown in Figure 3 and Figure 5, in order to automatically control the movement of the pusher 14, the first driving member 15 includes a first driving motor 21, a first motor fixing frame 22, a first rotating shaft 23, a first spur gear 24, a first A limit plate 25, a first push rod 26 and a second push rod 27, the first drive motor 21 is fixedly connected with the inner top of the installation box 10 through the first motor holder 22, and the first rotating shaft 23 is fixed on the first drive motor The output end of 21 is fixedly connected, the first spur gear 24 is fixedly sleeved on the outside of the first rotating shaft 23, the top of the first limiting plate 25 is fixed inside the installation box 10, and one end of the first rotating shaft 23 is connected to the first rotating shaft through a bearing. The limiting plate 25 is rotatably connected, and the first push rod 26 and the second push rod 27 are respectively arranged on the upper and lower sides of the first spur gear 24. The first push rod 26 and the second push rod 27 are provided with a plurality of evenly distributed tooth groove 28, the upper and lower ends of the first spur gear 24 are engaged with the first push rod 26 and the second push rod 27 through the tooth groove 28, and the ends of the first push rod 26 and the second push rod 27 are respectively connected to the Both sides of the installation box 10 slide through and connect, and the first push rod 26 is positioned at one end outside the installation box 10 and is fixed with a second fixed block 54, and the bottom of the second fixed block 54 is movably connected with the rotating rod 18, and the second push rod 27 is located at One end outside the installation box 10 is flexibly connected with another rotating rod 18, and the first driving motor 21 drives the first rotating shaft 23 to rotate, and the first rotating shaft 23 drives the first flat gear 24 to rotate, and the first flat gear 24 drives the first push rod 26 and the second push rod 27 move in opposite directions, thereby pushing the rotating rods 18 on both sides to rotate simultaneously.

Specific implementation method: After the cold drawing is finished, the operator controls the automatic hoisting mandrel assembly 4 program to work automatically through the console 8. First, the mandrel lifting mechanism 6 is controlled to perform the lowering procedure, and the mandrel lifting mechanism 6 drives two installation boxes. 10 descends at the same time until the two fixed clamping blocks 11 touch the mandrel body 2, then stop descending, then start the mandrel grasping mechanism 5 to carry out the clamping procedure, and start the first driving motor 21 to work when clamping. It will drive the first rotating shaft 23 to rotate, the first rotating shaft 23 will drive the first spur gear 24 to rotate, and the first spur gear 24 will drive the first push rod 26 and the second push rod 27 to move in opposite directions, thereby pushing the two sides The rotating rod 18 of the rotating rod rotates at the same time, and the other end of the rotating rod 18 will convert the rotating state into the movement of the moving rod 16, thereby pushing the moving clamp block 12 to clamp close to the surface of the mandrel body 2, and then the fixed clamping block 11 and the moving clamp The clamping blocks 12 cooperate with each other to realize the clamping of the mandrel body 2. After the clamping is completed, the clamping procedure is stopped. At this time, the mandrel lifting mechanism 6 is started to carry out the lifting procedure, and the mandrel lifting mechanism 6 will grab the mandrel body 2. Lift to a certain height, then stop the lifting procedure, start the mandrel moving mechanism 7 to work, use the mandrel moving mechanism 7 to automatically move the captured mandrel body 2 in the direction of the beam 3, when moving to the feeder of the body 1 When above the end, the mandrel body 2 grabbed by the mandrel lifting mechanism 6 is lowered to the feed end position, and finally the mandrel grabbing mechanism 5 is released to place the mandrel body 2 on the feed end of the body 1.

Example 2

As shown in Figure 6, this embodiment further describes Embodiment 1. The mandrel lifting mechanism 6 in the figure includes a second mounting plate 29, a U-shaped limit frame 30, a threaded cylinder 31, a screw rod 32, and a transmission mechanism 33. and the second drive member 34, two U-shaped spacer frames 30 are provided, and the two U-shaped spacer frames 30 are symmetrically fixed on both sides of the top of the second mounting plate 29, and the four corner positions of the second mounting plate 29 Each hole is provided with a round hole, and each hole is equipped with a threaded cylinder 31 through a bearing, and the screw rod 32 is threadedly connected with the threaded cylinder 31, and the bottom end of the screw rod 32 is fixedly connected with the top of the installation box 10 by a screw. The number of 32 is provided with four, and the transmission mechanism 33 is provided with two groups, and the two groups of transmission mechanisms 33 are symmetrically installed on the front and back sides of the second mounting plate 29, and the second driving member 34 is installed in the middle position of the second mounting plate 29 and its output end is connected with the transmission mechanism 33, the front and rear sides of the U-shaped limit frame 30 are fixed with the third mounting plate 35, the mandrel moving mechanism 7 is installed between the two third mounting plates 35, through the first The two drive parts 34 drive two groups of transmission mechanisms 33 to drive simultaneously, and the two groups of transmission mechanisms 33 will produce a linkage effect to drive the four threaded cylinders 31 to rotate simultaneously, so that the four screw mandrels 32 rise or fall simultaneously, thereby the movement of the screw mandrels 32 The bottom drives the mandrel grabbing mechanism 5 to carry out lifting motion.

Wherein, as shown in Figure 7, in order to provide the transmission effect, the transmission mechanism 33 includes a transmission shaft 36, the two sides of the transmission shaft 36 are all equipped with a second limit plate 37 through bearings, and the two ends of the transmission shaft 36 are fixed with driving cones. The gear 38 and the driving bevel gear 38 are engaged with the driven bevel gear 39, the driven bevel gear 39 is fixedly socketed on the outside of the threaded cylinder 31, the middle position of the drive shaft 36 is fixedly socketed with the worm wheel 40, and one side of the worm wheel 40 is meshed There is a worm 41, the top of the worm 41 is rotatably connected with a third limiting plate 42 through a bearing, one end of the third limiting plate 42 is fixedly connected with an L-shaped plate 43, and the bottom of the L-shaped plate 43 is fixed on the second mounting plate 29 , the bottom of the worm 41 is rotationally connected with the second mounting plate 29 through a bearing, two worms 41 are symmetrically arranged, and the output ends of the second driving member 34 are connected with the bottom ends of the two worms 41 respectively, through the second driving member 34 Drive two worms 41 to rotate simultaneously, two worms 41 drive two worm gears 40 to rotate simultaneously, two worm gears 40 drive two transmission shafts 36 to rotate, and the driving bevel gear 38 at two ends of two transmission shafts 36 can rotate simultaneously, thereby control from When the driven bevel gear 39 rotates, the driven bevel gear 39 will drive the threaded barrel 31 to rotate.

In addition, as shown in FIG. 8 , in order to make the two groups of transmission mechanisms 33 transmit simultaneously, the second driving member 34 includes a second driving motor 44 , a second motor fixing frame 45 , a second spur gear 46 , a third spur gear 47 and a second spur gear 47 . Four flat gears 48, the second driving motor 44 is fixed on the top central position of the second mounting plate 29 by the second motor fixing bracket 45, and the output shaft of the second driving motor 44 is rotatably connected with the second mounting plate 29 through bearings, the second Two spur gears 46, the 3rd spur gear 47 and the 4th spur gear 48 are all arranged on the bottom of the second mounting plate 29, one end of the central axis of the second spur gear 46 is fixedly connected with the output shaft of the second drive motor 44, the third The spur gear 47 and the fourth spur gear 48 are respectively meshed on both sides of the second spur gear 46, and one end of the central axis of the third spur gear 47 and one end of the central axis of the fourth spur gear 48 are fixed to the bottom ends of the two worms 41 respectively. connection, by starting the second driving motor 44 to work, the second driving motor 44 drives the second spur gear 46 to rotate, and the second spur gear 46 drives the third spur gear 47 and the fourth spur gear 48 to rotate at the same time, the third spur gear 47 and The fourth spur gear 48 will simultaneously drive the two worms 41 to rotate.

In this embodiment: when lifting and lowering the mandrel grabbing mechanism 5, by controlling the mandrel lifting mechanism 6 to perform an ascending or descending procedure, the second driving motor 44 will be started to work first, and the second driving motor 44 will drive the second flat gear 46 rotates, the second spur gear 46 drives the 3rd spur gear 47 and the 4th spur gear 48 to rotate simultaneously, the 3rd spur gear 47 and the 4th spur gear 48 just can drive two worms 41 to rotate simultaneously, two worms 41 drive two Two worm gears 40 rotate simultaneously, and two worm gears 40 drive two transmission shafts 36 to rotate, and the driving bevel gear 38 of two transmission shafts 36 two ends can rotate simultaneously, thereby controls driven bevel gear 39 to rotate, and driven bevel gear 39 just can drive The threaded barrel 31 rotates, so that the four driven bevel gears 39 rotate at the same time to produce a linkage effect to drive the four threaded barrels 31 to rotate at the same time, so that the four screw rods 32 move up or down at the same time, so that the bottom of the screw rod 32 drives the core. The rod grabbing mechanism 5 carries out lifting motion.

Example 3

As shown in Figure 9, this embodiment further describes Embodiment 1. The mandrel moving mechanism 7 in the figure includes a rack 49 fixed on the bottom of the beam 3, and the bottom of the rack 49 is meshed with a fifth spur gear 50. A second rotating shaft 51 is fixed in the middle hole of the five flat gears 50, and both ends of the second rotating shaft 51 are rotatably connected with the third mounting plate 35 through bearings, and one side of the third mounting plate 35 is fixedly installed with a third drive. Motor 52 , one end of the second rotating shaft 51 is fixedly connected with the output end of the third drive motor 52 .

Wherein, as shown in FIG. 9 , in order to make the movement more stable, the inner side of the beam 3 is movably connected with a limit wheel 53 , and the axle of the limit wheel 53 is rotatably connected with the U-shaped limit frame 30 through a bearing.

In this embodiment: when doing the translational movement, the third driving motor 52 will be started to work by controlling the mandrel moving mechanism 7, and the third driving motor 52 will drive the second rotating shaft 51 to rotate, and the second rotating shaft 51 will drive the fifth rotating shaft 51 to rotate. When the spur gear 50 rotates, the fifth spur gear 50 will mesh with the fixed rack 49 at the bottom of the crossbeam 3, thereby generating a driving force, so that the two U-shaped spacers 30 will move in translation relative to the crossbeam 3, and then automatically grab the The mandrel body 2 moves above the feeding end of the machine body 1.

In this scheme, the first drive motor 21, the second drive motor 44 and the third drive motor 52 are all preferably Y80M1-2 models, and their power supply interfaces are connected to the power supply system through switches. The operating circuit is a conventional motor forward and reverse control program, and the circuit runs It is an existing conventional circuit, and the circuits and controls involved in this solution are all in the prior art, and will not be described in detail here.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides an automatic hydraulic pressure cold drawing machine of conveying plug, includes organism (1) and plug body (2), its characterized in that: a cross beam (3) is arranged right above the machine body (1), and an automatic hoisting core rod assembly (4) for automatically conveying and hoisting the core rod body (2) back to the feeding end of the machine body (1) is arranged on the cross beam (3);

the automatic hoisting mandrel assembly (4) is composed of a mandrel grabbing mechanism (5), a mandrel lifting mechanism (6), a mandrel moving mechanism (7) and a control platform (8), wherein the mandrel grabbing mechanism (5) is symmetrically provided with two groups, the two groups of mandrel grabbing mechanisms (5) are used for clamping and fixing the mandrel body (2), the mandrel lifting mechanism (6) is arranged at the top of the mandrel grabbing mechanism (5), the mandrel moving mechanism (7) is arranged at the top of the mandrel lifting mechanism (6), the output end of the mandrel lifting mechanism (6) is in transmission connection with the mandrel grabbing mechanism (5), the output end of the mandrel moving mechanism (7) is in transmission connection with the cross beam (3), and the control platform (8) is arranged at the front side of the machine body (1) and is used for controlling the mandrel grabbing mechanism (5), the mandrel lifting mechanism (6) and the mandrel moving mechanism (7) to automatically work.

2. The hydraulic cold drawing machine for automatically conveying a mandrel as in claim 1, wherein: the utility model provides a mandrel snatchs mechanism (5) including first mounting panel (9), mounting box (10), fixed clamp splice (11), remove clamp splice (12), first fixed block (13), impeller (14) and first driving piece (15), mounting box (10) are fixed the top of first mounting panel (9), fixed clamp splice (11) are fixed the bottom intermediate position of first mounting panel (9), remove clamp splice (12), first fixed block (13) and impeller (14) all symmetry are equipped with two sets of, two sets of first fixed block (13) all are fixed the bottom of first mounting panel (9), remove clamp splice (12) with the output fixed connection of impeller (14), two sets of impeller (14) are movable mounting respectively the both sides of first mounting panel (9), first driving piece (15) are installed inside mounting box (10), the output of elevating system (6) with the top transmission of mounting box (10) is connected.

3. The hydraulic cold drawing machine for automatically conveying a mandrel as in claim 2, wherein: the pushing piece (14) comprises a moving rod (16), a connecting block (17), a rotating rod (18), a spring (19) and an ear seat (20), wherein the moving clamping block (12) is fixedly connected with the moving rod (16) through the connecting block (17), the moving rod (16) is in sliding sleeve connection with the first fixed block (13), two ends of the spring (19) are respectively fixedly connected with the connecting block (17) and the first fixed block (13), the moving rod (16) is sleeved on the inner side of the spring (19), one end of the rotating rod (18) is movably connected with the connecting block (17), the ear seat (20) is fixed on one end of the first mounting plate (9), the middle part of the rotating rod (18) is in rotating connection with the ear seat (20), and the output end of the first driving piece (15) is in transmission connection with the rotating rod (18).

4. A hydraulic cold drawing machine for automatically conveying mandrels according to claim 3, in which: the first driving piece (15) comprises a first driving motor (21), a first motor fixing frame (22), a first rotating shaft (23), a first flat gear (24), a first limiting plate (25), a first push rod (26) and a second push rod (27), wherein the first driving motor (21) is fixedly connected with the inner top of the mounting box (10) through the first motor fixing frame (22), the first rotating shaft (23) is fixedly connected with the output end of the first driving motor (21), the first flat gear (24) is fixedly sleeved on the outer side of the first rotating shaft (23), the top of the first limiting plate (25) is fixed inside the mounting box (10), one end of the first rotating shaft (23) is rotatably connected with the first limiting plate (25) through a bearing, the first push rod (26) and the second push rod (27) are respectively arranged on the upper side and the lower side of the first flat gear (24), the first push rod (26) and the second push rod (27) are uniformly distributed on the upper tooth grooves (28) and are respectively meshed with the first push rod (28) through a plurality of evenly distributed first push rods (28), the first push rod (26) and one end that second push rod (27) kept away from each other respectively with the both sides slip through connection of install bin (10), first push rod (26) are located the outside one end of install bin (10) is fixed with second fixed block (54), the bottom of second fixed block (54) with dwang (18) swing joint, second push rod (27) are located the outside one end of install bin (10) with another dwang (18) swing joint.

5. The hydraulic cold drawing machine for automatically conveying a mandrel as in claim 2, wherein: the utility model provides a plug elevating system (6) is including second mounting panel (29), U type spacing (30), screw barrel (31), lead screw (32), drive mechanism (33) and second driving piece (34), U type spacing (30) are equipped with two, and two U type spacing (30) symmetry is fixed the top both sides of second mounting panel (29), four corner positions department of second mounting panel (29) all has seted up the round hole, all installs screw barrel (31) through the bearing in every round hole, lead screw (32) with screw barrel (31) threaded connection, the bottom of lead screw (32) pass through the screw with the top fixed connection of installation case (10), the quantity of lead screw (32) is equipped with four, drive mechanism (33) are equipped with two sets of, and two sets of drive mechanism (33) symmetry are installed the front and back both sides of second mounting panel (29), second driving piece (34) are installed the intermediate position department of second mounting panel (29) and its output with drive mechanism (33) are connected with three front and back type mounting panel (35) are installed in front and are fixed between three mounting panel (35).

6. The hydraulic cold drawing machine for automatically conveying a mandrel as in claim 5, wherein: the transmission mechanism (33) comprises a transmission shaft (36), a second limiting plate (37) is mounted on two sides of the transmission shaft (36) through bearings, a driving bevel gear (38) is fixed at two ends of the transmission shaft (36), a driven bevel gear (39) is connected with the driving bevel gear (38) in a meshed mode, the driven bevel gear (39) is fixedly sleeved on the outer side of the threaded cylinder (31), a worm wheel (40) is fixedly sleeved on the middle position of the transmission shaft (36), a worm (41) is meshed with one side of the worm wheel (40), a third limiting plate (42) is rotatably connected to the top of the worm (41) through bearings, an L-shaped plate (43) is fixedly connected to one end of the third limiting plate (42), the bottom of the L-shaped plate (43) is fixed on the second mounting plate (29), the bottom of the worm (41) is rotatably connected with the second mounting plate (29) through bearings, two worm gears (41) are symmetrically arranged, and the output ends of the second driving piece (34) are respectively connected with the bottom ends of the two worm gears (41).

7. The hydraulic cold drawing machine for automatically conveying a mandrel as in claim 6, wherein: the second driving piece (34) comprises a second driving motor (44), a second motor fixing frame (45), a second flat gear (46), a third flat gear (47) and a fourth flat gear (48), the second driving motor (44) is fixed at the top central position of the second mounting plate (29) through the second motor fixing frame (45), an output shaft of the second driving motor (44) is rotationally connected with the second mounting plate (29) through a bearing, the bottom of the second mounting plate (29) is provided with the second flat gear (46), the third flat gear (47) and the fourth flat gear (48), one end of a central shaft of the second flat gear (46) is fixedly connected with the output shaft of the second driving motor (44), the third flat gear (47) and the fourth flat gear (48) are respectively meshed with two sides of the second flat gear (46), and one end of the central shaft of the third flat gear (47) and one end of the central shaft of the fourth flat gear (48) are respectively fixedly connected with the bottom ends of two worms (41).

8. The hydraulic cold drawing machine for automatically conveying a mandrel as in claim 5, wherein: the core rod moving mechanism (7) comprises a rack (49) fixed at the bottom of the cross beam (3), a fifth flat gear (50) is meshed with the bottom of the rack (49), a second rotating shaft (51) is fixed in a middle hole of the fifth flat gear (50), two ends of the second rotating shaft (51) are rotatably connected with the third mounting plate (35) through bearings, one side of one third mounting plate (35) is fixedly provided with a third driving motor (52), and one end of the second rotating shaft (51) is fixedly connected with the output end of the third driving motor (52).

9. The hydraulic cold drawing machine for automatically conveying mandrels according to claim 8, wherein: the inner side of the cross beam (3) is movably connected with a limiting wheel (53), and a wheel shaft of the limiting wheel (53) is rotatably connected with the U-shaped limiting frame (30) through a bearing.

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