CN207887757U - Necking mechanism and metal tube processing unit equipped with necking mechanism - Google Patents

Abstract

The utility model provides a necking mechanism and metal pipe processing equipment provided with the necking mechanism, comprising a machine frame, a first necking mold, a first necking driving part, a second necking mold, and a second necking driving part and the necking block, the first necking mold is connected with the first necking driver and installed on the top surface of the frame, the second necking mold is connected with the second necking driver and fixed on the top surface of the frame, the first The necking mold and the second necking mold are arranged side by side on the same side. The necking size of the first necking mold is smaller than that of the second necking mold, so that the same metal pipe can be necked twice, and the necking gear The block is installed on the frame opposite to the first necking die and the second necking die, for supporting one end of the metal pipe, so that the first necking die and the second necking die are relatively squeezed and shrinked. The necking mechanism can realize automatic necking and improve production efficiency.

Description

Shrinking mechanism and metal pipe processing equipment equipped with shrinking mechanism

technical field

The utility model relates to the technical field of metal pipe assembly frame manufacturing, in particular to a necking mechanism and metal pipe processing equipment provided with the necking mechanism.

Background technique

Please refer to Figure 1. The metal pipe assembly frame is a combination of metal pipes of different lengths formed by socketing and fixing a number of metal pipes A, and then the metal pipes A of different lengths are assembled into a frame structure for the manufacture of clothes hangers or shoe racks And other household items. When connecting two metal pipes A, it is necessary to insert one end of one metal pipe A into the other metal pipe A, and then fix the joint of the two pipes with bolts and other fixings. Therefore, it is necessary to insert the metal pipe A Shrink the tube at one end (that is, squeeze the end of the metal tube A to reduce the outer diameter of the metal tube A) so as to be socketed with each other. In addition, it is necessary to place the socket at the socket of the metal tube A (that is, near the two ends of the metal tube A) Set up fixing holes B for fixing with bolts. In order to automatically shrink the metal pipe A, it is necessary to design a necking mechanism.

Utility model content

The utility model provides a necking mechanism and metal pipe processing equipment provided with the necking mechanism. The necking mechanism can realize automatic necking and improve production efficiency.

The technical solution that the utility model relates to:

A necking mechanism, comprising a frame, a first necking mold, a first necking driver, a second necking mold, a second necking driver and a necking block, the first necking mold and the first necking The mouth driving part is connected and installed on the top surface of the frame, the second necking mold is connected with the second necking driver and fixed on the top surface of the frame, the first necking mold and the second necking mold are arranged side by side on the same side, The necking size of the first necking mold is smaller than the necking size of the second necking mold, so that the same metal pipe can be necked twice, and the necking block is installed on the frame with the first necking mold and the second necking mold. The necking dies are relatively installed for supporting one end of the metal pipe, so that the first necking die and the second necking die are relatively squeezed and necked.

A metal pipe processing equipment, comprising a transmission system, a processing compression mechanism and the necking mechanism, the transmission system is installed on a frame, the processing compression mechanism is erected above the frame, and the necking mechanism is arranged on the transmission system on both sides.

Further, the conveying system includes a feeding mechanism, a feeding device and a positioning mechanism. One end of the frame is erected with a feeding mechanism, and the feeding device can be raised and lowered and translationally installed on the top of the frame close to the discharge end of the feeding mechanism. It is used to lift the metal pipe of the feeding mechanism and transfer it to the positioning mechanism. The positioning mechanism is installed on the top surface of the frame to position the metal pipe.

Further, the feeding mechanism includes a material storage box, a conveyor belt, and a conveyor belt driver. The material storage box is erected above one end of the conveyor belt. Only one metal pipe can pass through at a time. The bottom of the chute is equipped with a discharge port. The conveyor belt is located directly below the discharge port. The outer surface of the conveyor belt is set to be smooth. The width of the conveyor belt is smaller than the length of the metal pipe. Ribs at preset intervals are provided on the conveyor belt.

Further, the feeding device includes a translation lifting mechanism, a supporting frame, a support rod group and a feeding pressing mechanism, the translation lifting mechanism is installed on the frame, the support frame is installed on the top of the translation lifting mechanism, and the support rod group includes two conveyor belts The support rod and the two transfer support rods, the two conveyor belt support rods are installed on one end of the support frame, the two transfer support rods are installed on the support frame and extend from the end of the two conveyor belt support rods to the other end of the support frame, and the two The transfer support rod is set between the two conveyor belt support rods, and the two conveyor belt support rods and the two transfer support rods are equipped with several support grooves. The distance between the two conveyor belt support rods is greater than the width of the conveyor belt. Support the top of the frame.

Further, the translation lifting mechanism includes a fixed bottom plate, two slide rails arranged on the fixed bottom plate, a lifting drive part slidably arranged on the two slide rails, a fixed top plate installed on the lifting end of the lifting drive part, and the fixed bottom plate The upper part is used to drive the transmission drive part to slide the lifting drive part, and the support frame is installed on the fixed top plate.

Further, the feeding and pressing mechanism includes two feeding and pressing driving parts and two parallel beading bars, the two feeding and pressing driving parts are respectively arranged on the support frame at the two ends of the two beading bars, and the lifting ends of the two feeding and pressing driving parts Connect with two battens.

Further, the processing and pressing mechanism includes a pressing bracket and a liftable necking and pressing die installed on the pressing bracket, and the pressing bracket is erected above the machine frame.

The beneficial effects of the utility model:

Compared with the prior art, the necking mechanism of the utility model shrinks the same metal pipe twice through the first necking die and the second necking die, avoiding the cracking of the metal pipe caused by one necking, and realizing automatic shrinking. mouth, improve production efficiency.

Description of drawings

Fig. 1 is the perspective view of the metal pipe to be processed of the utility model;

Fig. 2 is the assembly diagram of the first angle of view of the equipment used for automatic shrinking, punching and grinding of metal pipes according to the present invention;

Fig. 3 is an assembly diagram of another perspective of the utility model for automatic shrinking, punching and grinding of metal pipes;

Figure 4 is an exploded view of the utility model for automatic shrinking, punching and grinding of metal pipes;

Fig. 5 is the structural diagram of the grinding mechanism of the equipment used for automatic shrinking, punching and grinding of metal pipes according to the present invention;

Fig. 6 is a diagram of the first transmission state between the conveyor belt, the conveyor belt support rod, the transfer support rod and the positioning rod of the equipment for automatic shrinking, punching and grinding of metal pipes according to the present invention;

Fig. 7 is a second transmission state diagram between the conveyor belt, the conveyor belt support rod, the transfer support rod and the positioning rod of the equipment for automatic shrinking, punching and grinding of metal pipes according to the present invention;

Fig. 8 is the third transmission state diagram between the conveyor belt, the conveyor belt support rod, the transfer support rod and the positioning rod of the equipment for automatic shrinking, punching and grinding of metal pipes according to the present invention;

Fig. 9 is a diagram of the fourth transmission state between the conveyor belt, the conveyor belt support rod, the transfer support rod and the positioning rod of the equipment for automatic shrinking, punching and grinding of metal pipes according to the present invention;

Fig. 10 is a diagram of the fifth transmission state between the conveyor belt, the conveyor belt support rod, the transfer support rod and the positioning rod of the equipment for automatic shrinking, punching and grinding of metal pipes according to the present invention;

Fig. 11 is a diagram of the sixth transmission state between the conveyor belt, the conveyor belt support rod, the transfer support rod and the positioning rod of the equipment for automatic shrinking, punching and grinding of metal pipes according to the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the protection scope of the utility model.

Please refer to Fig. 1 to Fig. 4. The utility model provides a kind of equipment for automatic shrinking, punching and grinding of metal pipes, which is used for shrinking one end of metal pipe A, punching holes at both ends and correcting the residual after punching. The burrs are polished. The equipment includes a frame 1, a feeding mechanism 2, a feeding device 3, a positioning mechanism 4, a necking mechanism 5, a punching mechanism 6, a processing and pressing mechanism 7 and a grinding mechanism 8. The frame 1, the feeding mechanism 2, the feeding device 3 and the positioning mechanism 4 are combined to form a transmission system.

One end of the frame 1 is erected with a feeding mechanism 2, and the feeding device 3 can be raised and lowered and can be translated and erected on the top of the frame 1 close to the discharge end of the feeding mechanism 2, so as to transfer the metal pipe A of the feeding mechanism 2 to Positioning mechanism 4. The positioning mechanism 4 is installed on the top surface of the frame 1 to position the metal pipe A. The two sides of the positioning mechanism 4 are sequentially provided with a shrinking mechanism 5, a punching mechanism 6 and a grinding mechanism 8, which are processed and pressed. Mechanism 7 is erected on the frame 1 and is located directly above shrinking mechanism 5, punching mechanism 6 and grinding mechanism 8, and is used to compress the metal pipe A on the positioning mechanism 4 so as to shrink the pipe, punch holes and polish it, and process the pressure. The tightening mechanism 7 is higher than the feeding device 3 to shuttle the feeding device 3 inside the processing pressing mechanism 7 .

When in use, the metal tube A is fed into the feeding mechanism 2, and the feeding device 3 lifts the metal tube A on the feeding mechanism 2 away from the feeding mechanism 2, and then moves to the position directly above the positioning mechanism 4 and then lowers to preset distance, so that the metal pipe A is positioned on the positioning mechanism 4, the processing and pressing mechanism 7 compresses the metal pipe A on the positioning mechanism 4, and the shrinking mechanism 5, the punching mechanism 6, and the grinding mechanism 8 respectively perform shrinkage and punching and grinding, and finally, the feeding device 3 lifts and translates the finished metal pipe A on the positioning mechanism 4 out. In this way, a high degree of automation for shrinking, punching and grinding the metal pipe A is realized, the production efficiency is improved, and the labor intensity is reduced.

Further, referring to Fig. 2 to Fig. 4, the feeding mechanism 2 includes a material storage box 9, a conveyor belt 10 and a conveyor belt driver 11, the material storage box 9 is erected above one end of the conveyor belt 10, and the bottom surface of the material storage box 9 is an inclined surface , both sides of the lower end of the inclined surface are provided with a material limiting chute 12, which is used to limit that only one metal pipe A can pass through at a time. The width of the conveyor belt 10 is smaller than the length of the metal pipe A, so that the two ends of the metal pipe A protrude from both sides of the conveyor belt 10 for the feeding device 3 to lift and transfer. 13. The height is equivalent to the height when the metal pipe A falls onto the conveyor belt 10. The outer surface of the conveyor belt 10 is set to be smooth, so that the friction force between the conveyor belt 10 and the metal pipe A is not enough to make the conveyor belt 10 drive the metal pipe A to move. The metal pipe A is moved only under the drive of the protruding strip 13 . When the convex strip 13 moves, the side wall of the convex strip 13 is against the side wall of the metal tube A, thereby driving the metal tube A to move accordingly, so that each metal tube A is close to the side of each convex strip 13 The wall is positioned so that the feeding device 3 is lifted and conveyed, and the conveyor belt driving member 11 is used to drive the conveyor belt 10 to move.

Further, referring to Fig. 4, Fig. 6 and Fig. 7, the feeding device 3 includes a translation lifting mechanism 14, a support frame 15, a support rod group 16 and a feeding pressing mechanism 17, and the translation lifting mechanism 14 is installed on the frame 1, The support frame 15 is installed on the top of the translation lifting mechanism 14, and the support rod group 16 includes two conveyor belt support rods 16a with shorter long bottoms that are parallel to each other, and two transfer support rods 16b that are longer with long bottoms that are parallel to each other. The supporting rod 16a is installed on one end of the support frame 15, and two transfer supporting rods 16b are installed on the supporting frame 15 and extend from the end of the two conveyor belt supporting rods 16a to the other end of the supporting frame 15, and the two transfer supporting rods 16b are set Between the two conveyor belt support rods 16a, the two conveyor belt support rods 16a and the two transfer support rods 16b are all provided with a number of support grooves 18 for accommodating the preset spacing of the metal pipe A, and the distance between the two conveyor belt support rods 16a is Greater than the width of the conveyor belt 10, the metal pipe A is lifted and transferred from both sides of the conveyor belt 10 for the two conveyor belt support rods 16a. The metal rod A on the support trough 18, so as not to drop when conveying.

Further, referring to Fig. 2 to Fig. 4, the translation lifting mechanism 14 includes a fixed base plate 19, two slide rails 20 arranged on the fixed base plate 19, and a lifting drive member 21 slidably arranged on the two slide rails 20, installed on the lift The fixed top plate 22 at the lifting end of the driver 21 and the transmission driver 35 installed on the fixed bottom plate 19 for driving the sliding of the lifting driver 21 , the support frame 15 is installed on the fixed top plate 22 .

More specifically, please refer to FIG. 4 to FIG. 6. In this embodiment, each conveyor belt support bar 16a is provided with corresponding four support slots 18, and the transmission drive member 35 drives the lifting drive member 21 to slide a preset distance. , the lifting driver 21 drives the support frame 15 to move accordingly, and then drives the two conveyor belt support rods 16a to move to both sides of the conveyor belt 10. Jack up the two metal pipes A, and then the transmission driver 35 indirectly drives the two conveyor belt support rods 16a to return to the top of the positioning mechanism 4, so that the two metal pipes A on the two conveyor belt support rods 16a are positioned on the positioning mechanism 4. Then the two conveyor belt support rods 16a return to the both sides of the conveyor belt 10 to continue repeating the above-mentioned action process, and the metal tubes are delivered to the positioning mechanism 4 successively in the manner of transmitting two metal tubes A at a time. The quantity of the metal pipes A conveyed by the two conveyer belt support rods 16a is not limited to two in the present embodiment, and can also convey one or more than three at a time. The quantity of the metal pipe A conveyed by the two conveyer belt support rods 16a is The number of metal tubes A that can be processed by each station of the shrinking mechanism 5, the punching mechanism 6 and the grinding mechanism 8 is consistent, so that the metal tube A after the previous station is transferred to the next one during each transmission process. Station processing makes the transmission and processing in step, avoiding repeated processing. For example, when the two conveyor belt support rods 16a convey three metal pipes A each time, each station of the necking mechanism 5, the punching mechanism 6 and the grinding mechanism 8 can process three metal pipes A at a time.

Further, referring to Fig. 2 to Fig. 4, the feeding and pressing mechanism 17 includes two feeding and pressing driving parts 23 and two parallel pressing bars 24, and the two feeding and pressing driving parts 23 are respectively arranged on the support frame 15 and are located on the sides of the two pressing bars 24. Both ends, the lifting ends of the two feeding and pressing driving parts 23 are connected with the two beading bars 24 to drive the two beading bars 24 to lift.

Further, referring to Fig. 1 to Fig. 3, the positioning mechanism 4 includes two relatively parallel positioning rods 25, and the two positioning rods 25 are all provided with positioning grooves 26 corresponding to several supporting troughs 18, and the two positioning rods 25 are installed on the frame 1 is separately arranged on both sides of the two transfer support rods 16b, and the two positioning rods 25 extend from the end of the two conveyor belt support rods 16a close to the feeding mechanism 2 along the processing direction, and the support groove 18 is movable under the action of the translation lifting mechanism 14 Corresponding to the positioning grooves 26 one by one, the two metal pipes A that are lifted and delivered on the conveyor belt 10 are placed in the two positioning grooves 26 at the starting ends of the two positioning rods 25 for the conveyor belt support bar 16a.

Further, referring to Fig. 2 to Fig. 4, the necking mechanism 5 includes a first necking mold 27, a first necking driver 28, a second necking mold 27a, a second necking driver 28b and a necking Block 29, the first necking mold 27 is connected with the first necking driver 28 and installed on the top surface of the frame 1 outside any positioning rod 25, the second necking mold 27a and the second necking driver 28b Connected and fixed on the top surface of the frame 1, the first necking mold 27 and the second necking mold 27a are arranged side by side on the same side, and the necking block 29 is installed on the frame 1 together with the first necking mold 27 and the second necking mold 27a. The necking mold 27a is relatively installed, and the first necking mold 27 and the second necking mold 27a in the present embodiment are all provided with two processing positions, and two metal pipes A are processed at one time, which is the transmission mode with the feeding device 3 Keep consistent, to realize two-by-two transmission, two-by-two necking, the necking size of the first necking die 27 is smaller than the necking size of the second necking die 27a, the first necking die 27 first carries out a Necking in a small section, then the second necking die 27a further shrinks the metal tube A after the first necking die 27 has been shrunk. The first necking die 27 and the second necking die 27a respectively shrink the metal pipe A twice to avoid cracking of the metal pipe A caused by one necking.

More specifically, under the pressing fit of the processing pressing mechanism 7, the necking driver 28 drives the necking die 27 to squeeze to the side of the necking block 29, so that one end of the metal pipe A positioned on the two positioning rods 25 The other end is held against the necking block 29, and the other end is held against in the necking die 27, and the necking is realized through relative extrusion.

Further, referring to Fig. 2 to Fig. 4, there are two punching mechanisms 6, which are respectively slidably installed on the top surface of the frame 1 and located on both sides of the positioning mechanism 4, and the punching mechanism 6 includes a punching die 30, Die loading bracket 31, punching driver 32 and sliding driver 33, punching die 30 is installed on the bottom of mold loading bracket 31, punching driver 32 is installed on the top of mold loading bracket 31, punching driver 32 and punching The punching die 30 is connected to drive the punching die 30 up and down, and the sliding driver 33 is installed on one side of the bottom of the die loading bracket 31 for driving the die loading bracket 31 to slide. Under the compression fit of the processing pressing mechanism 7, the two punching mechanisms 6 relatively move under the drive of the respective sliding drivers 33, and the two punching dies 30 clamp the two ends of the metal pipe A on the two positioning rods 25, punching The hole driver 32 drives the tool of the punching die 30 to press down to drill holes. Similarly, the punching die 30 is also provided with two processing positions, which are consistent with the transmission mode of the feeding device 3 .

Further, referring to Fig. 2 to Fig. 4, the processing and pressing mechanism 7 includes a pressing bracket 34, a liftable necking and pressing mold 36 installed on the top of the pressing bracket 34 in sequence, a punching and pressing mold 37 and a grinding press. Compression mold 38, compression bracket 34 is installed on the both sides of frame 1 top surface and is positioned at positioning mechanism 4, and necking compression mold 36, punching compression mold 37 and grinding compression mold 38 are respectively provided with corresponding driver to Drive it up and down.

Further, referring to Fig. 2 to Fig. 4, the grinding mechanism 8 includes four rotating shafts 39, four grinding heads 40, two lower support plates 41 and a grinding driving member 42, and the four grinding heads 40 are installed on the four rotating shafts 39 respectively. At the top, four rotating shafts 39 are installed on the two sides of the frame 1 oppositely to each other. Be installed on the lower support plate 41, the upper ends of the two rotating shafts 39 on the other side of the positioning mechanism 4 are rotatably installed on the frame 1, and the lower ends are rotatably installed on the other lower support plate 41, and the grinding driver 42 is installed on the lower support On the plate 41, the output shaft of the grinding driver 42 drives the four rotating shafts 39 to rotate through the helical gear transmission. Similarly, the four rotating shafts 39 and the four grinding heads 40 in this embodiment are also used to simultaneously polish the punched holes at both ends of the two metal pipes A at one time, so as to be consistent with the transmission mode of the feeding device 3 .

Further, referring to Fig. 4 and Fig. 5, the helical gear transmission includes a gearbox 44, a driving shaft 45, two driving shaft seats 46 and four boss helical gears 47, and the gearbox 44 is arranged on the lower supporting plate 41 and The output shaft of the grinding driver 42 is connected, and two driving shaft seats 46 are relatively arranged on the two lower support plates 41 respectively, and the driving shaft 45 is rotatably erected in the two driving shaft seats 46, and one end of the driving shaft 45 is connected to the gearbox 44 phase transmission connections, the two ends of the drive shaft 45 that are positioned at the two drive shaft seats 46 protruding outward are fixedly connected with boss helical gears 47 respectively.

The helical gear transmission also includes two driven shafts 48, four driven shaft seats 49, four driven helical gears 50 and four transmission helical gears 51, the two driven shaft seats 49 are arranged on the lower supporting plate 41, The other two driven shaft seats 49 are arranged on another lower support plate 41, and a driven shaft 48 is rotatably erected in the two driven shaft seats 49 on the lower support plate 41, and the other driven shaft 48 is rotatable. In the two driven shaft seats 49 that are erected on the other lower support plate 41, one end of the two driven shafts 48 that is close to the driving shaft 45 protrudes outward, and the protruding ends of the two driven shafts 48 are fixedly connected with protruding shafts. Table helical gear 47, the boss helical gear 47 on each driven shaft 48 meshes with the boss helical gear 47 on the corresponding drive shaft 45, and each driven shaft 48 is affixed with two driven helical gears 50, each rotating shaft 39 is fixedly connected with a driving helical gear 51, and each driving helical gear 51 meshes with its corresponding driven helical gear 50. The number of driven helical gears 50 and driving helical gears 51 depends on the number of grinding heads 40, and the number of grinding heads 40 and the corresponding numbers of driven helical gears 50 and driving helical gears 51 can be set according to actual needs. .

More specifically, the grinding driver 42 drives the drive shaft 45 to rotate through the gearbox 44, and the drive shaft 45 drives two driven shafts 48 to rotate through the boss helical gears 47 at both ends respectively, and each driven shaft 48 passes through two driven shafts respectively. The helical gear 50 drives the two rotating shafts 39 meshed with it to rotate, and each rotating shaft 39 drives the corresponding grinding head 40 to rotate, and the rotating grinding head 40 rubs against the burr at the opening repeatedly to remove the burr. The transmission mode with such a structure can save the installation space, facilitate the layout of the components of the whole equipment, and has stable mechanical performance, durability and large transmission torque.

Further, referring to Fig. 5 , an upper support plate 52 is provided at the bottom of the grinding head 40 on the two rotating shafts 39 on the same side, and a burr collection box 53 is provided on each upper support plate 52 for collecting fallen burrs .

Further, please refer to Fig. 4, the equipment of the present utility model also includes two discharge slide bars 43, and the discharge slide bar 43 is installed on the top surface of the frame 1 and is located at the discharge end of the two positioning rods 25, in order to export the processed Metal pipe A.

The action process of the utility model for automatic shrinking, punching and grinding of metal tubes is as follows, please refer to Figures 4 to 11, Figures 7 to 11 are state diagrams of the metal tube A during transmission. First stack a number of metal tubes A in the storage box 9 in an orderly manner, and drop one metal tube A at a time from the outlet at the bottom of the material limiting trough 12 on the conveyor belt 10, and the convex strip 13 on the conveyor belt 10 pushes the metal tube A to move , so that each metal pipe A side wall is positioned close to the side wall of each convex strip 13, and the two conveyor belt support rods 16a are set as the initial position below the two positioning rods 25 both sides (as shown in Fig. 6 and Fig. 6 ). 7), the two conveyor belt support rods 16a move to the bottom of the two sides of the conveyor belt 10 at this initial position, and then rise to lift the two metal pipes A at the discharge end of the conveyor belt 10, and the two beading bars 24 are placed on the two conveyor belt support rods 16a. Before jacking, press down some metal pipes A on the two conveyor belt support rods 16a and two transfer support rods 16b, and, during the jacking process of the two conveyor belt support rods 16a, the two beading bars 24 are pressing the metal pipes A Then the two conveyor belt support rods 16a carry the two metal pipes A and move to the top of the two positioning rods 25 and then descend, so that the two metal pipes A are accommodated in the two positioning grooves 26 at the starting ends of the two positioning rods 25, and then The two conveyor belt support rods 16a return to the initial position and continue to lift the next round of the two metal pipes A, and so on, and gradually transfer the two metal pipes A to the two positioning rods 25 in the manner of conveying two metal pipes A each time. Located in the corresponding positioning grooves 26 of the shrinking mechanism 5, the punching mechanism 6 and the grinding mechanism 8, respectively corresponding to each other under the compression fit of the shrinking compression mold 36, the punching compression mold 37 and the grinding compression mold 38. After the processing is completed, the two transfer support rods 16b will transfer the processed metal pipe A from the discharge ends of the two positioning rods 25 to the two discharge slide bars 43, and the processed metal pipe A will finally be discharged from the two discharge ends. One end of slide bar 43 slides out, so far completes the whole machining process. In this way, a high degree of automation for shrinking, punching and grinding the metal pipe A is realized, the production efficiency is improved, and the labor intensity is reduced.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the content of the utility model description, or directly or indirectly used in other related technologies Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (8)

1. A necking mechanism (5), comprising a frame (1), is characterized in that: said necking mechanism (5) comprises a first necking die (27), a first necking driver (28), The second necking mold (27a), the second necking driver (28b) and the necking block (29), the first necking mold (27) is connected with the first necking driver (28) and installed on the machine Frame (1) top surface, the second necking mold (27a) is connected with the second necking driver (28b) and fixed on the frame (1) top surface, the first necking mold (27) and the second necking The molds (27a) are arranged side by side on the same side, and the necking size of the first necking mold (27) is smaller than that of the second necking mold (27a), so that the same metal pipe (A) can be necked twice. , the necking block (29) is installed on the frame (1) and is installed opposite to the first necking die (27) and the second necking die (27a), for resisting one end of the metal pipe (A), so as to facilitate The first necking die (27) and the second necking die (27a) are squeezed relative to each other to shrink. 2. A metal tube processing equipment, comprising a transmission system and a processing compression mechanism (7), the transmission system is installed on the frame (1), and the processing compression mechanism (7) is erected on the top of the frame (1), It is characterized in that: said metal tube processing equipment is provided with a necking mechanism (5) according to claim 1, and the necking mechanism (5) is arranged on both sides of said conveying system. 3. The metal tube processing equipment according to claim 2, characterized in that: the conveying system includes a feeding mechanism (2), a feeding device (3) and a positioning mechanism (4), and one end of the frame (1) is erected There is a feeding mechanism (2), and the feeding device (3) can be raised and lowered and installed on the top of the frame (1) close to the discharge end of the feeding mechanism (2), so as to feed the metal of the feeding mechanism (2) The pipe (A) is lifted and sent to the positioning mechanism (4), and the positioning mechanism (4) is installed on the top surface of the frame (1) to position the metal pipe (A). 4. The metal pipe processing equipment according to claim 3, characterized in that: the feeding mechanism (2) includes a material storage box (9), a conveyor belt (10) and a conveyor belt driver (11), the material storage box ( 9) Set up above one end of the conveyor belt (10), the bottom surface of the material storage box (9) is an inclined surface, and both sides of the lower end of the inclined surface are provided with material limiting grooves (12), which are used to limit the passage of only one metal pipe ( A), the bottom end of the material limiting trough (12) is provided with a discharge port, the conveyor belt (10) is located directly below the discharge port, the outer surface of the conveyor belt (10) is set to be smooth, and the width of the conveyor belt (10) is smaller than that of the metal The length of the pipe (A), the conveyor belt (10) is provided with convex strips (13) at preset intervals. 5. The metal pipe processing equipment according to claim 4, characterized in that: the feeding device (3) includes a translation lifting mechanism (14), a support frame (15), a support rod group (16) and a feeding compaction Mechanism (17), translational lifting mechanism (14) is installed on the frame (1), support frame (15) is installed on the top of translational lifting mechanism (14), supporting rod group (16) comprises two conveyor belt supporting rods (16a ) and two transfer support rods (16b), two conveyor belt support rods (16a) are installed on one end of the support frame (15), and two transfer support rods (16b) are installed on the support frame (15) from the two conveyor belt support materials The end of bar (16a) extends to the other end of supporting frame (15), and two transfer support material rods (16b) are arranged between two conveyor belt support rods (16a), two conveyor belt support rods (16a) and two transfer The supporting rods (16b) are all provided with several supporting grooves (18), the distance between the two conveyor belt supporting rods (16a) is greater than the width of the conveyor belt (10), and the feeding and pressing mechanism (17) is installed on the top of the supporting frame (15) . 6. The metal pipe processing equipment according to claim 5, characterized in that: the translation lifting mechanism (14) comprises a fixed bottom plate (19), and two slide rails (20) arranged on the fixed bottom plate (19) can slide The lifting driver (21) that is located on the two slide rails (20), is installed on the fixed top plate (22) of the lifting end of the lifting driver (21), and is installed on the fixed bottom plate (19) for driving the lifting driver ( 21) Sliding transport drive (35), support frame (15) mounted on fixed top plate (22). 7. The metal pipe processing equipment according to claim 5, characterized in that: the feeding and pressing mechanism (17) includes two feeding and pressing driving parts (23) and two parallel beading bars (24), and the two feeding and pressing The driving parts (23) are respectively located at the two ends of the two beading bars (24) on the support frame (15), and the lifting ends of the two feeding and pressing driving parts (23) are connected with the two bedding bars (24). 8. The metal pipe processing equipment according to claim 2, characterized in that: the processing and pressing mechanism (7) includes a pressing bracket (34) and a liftable necking pressure device mounted on the pressing bracket (34). Tighten mold (36), hold down support (34) and set up on frame (1) top.